阅读说明：本技术 一种排水跌水井 (Drainage drop well ) 是由 李尔 曾祥英 于 2021-08-05 设计创作，主要内容包括：本发明涉及一种排水跌水井,包括井室、检修筒、进配水组件、消能气液分离组件和转动组件,井室的侧壁和底壁上分别设有进水管和出水管,检修筒设置在井室的顶壁上,进配水组件、消能气液分离组件和转动组件分别设置在井室内,且进水管与进配水组件连通,进配水组件与消能气液分离组件连通并形成主流通道,转动组件设置在消能气液分离组件的下方并与消能气液分离组件连接,检修筒、消能气液分离组件和转动组件顺次连通并形成排气通道,进配水组件与转动组件连通并形成支流通道。通过进配水组件将上游来水分配成主流和支流,通过支流水流消能来带动主流水流消能,强化了消能效果,同步实现了气液分离,减小跌水井的尺寸,具有较好的运行效果。(The invention relates to a drainage drop well which comprises a well chamber, an overhaul cylinder, a water inlet and distribution assembly, an energy dissipation gas-liquid separation assembly and a rotating assembly, wherein a water inlet pipe and a water outlet pipe are respectively arranged on the side wall and the bottom wall of the well chamber, the overhaul cylinder is arranged on the top wall of the well chamber, the water inlet and distribution assembly, the energy dissipation gas-liquid separation assembly and the rotating assembly are respectively arranged in the well chamber, the water inlet pipe is communicated with the water inlet and distribution assembly, the water inlet and distribution assembly is communicated with the energy dissipation gas-liquid separation assembly to form a main flow channel, the rotating assembly is arranged below the energy dissipation gas-liquid separation assembly and is connected with the energy dissipation gas-liquid separation assembly, the overhaul cylinder, the energy dissipation gas-liquid separation assembly and the rotating assembly are sequentially communicated to form an exhaust channel, and the water inlet and distribution assembly is communicated with the rotating assembly to form a branch flow channel. The water inlet and distribution assembly distributes upstream incoming water into a main flow and a branch flow, and the energy dissipation of the main flow is driven through the energy dissipation of the branch flow, so that the energy dissipation effect is enhanced, the gas-liquid separation is synchronously realized, the size of the drop well is reduced, and the operation effect is better.)

1. The utility model provides a drainage drop well which characterized in that: the energy dissipation gas-liquid separation device comprises a well chamber (1), an inspection cylinder (2), a water inlet and distribution assembly (3), an energy dissipation gas-liquid separation assembly (4) and a rotating assembly (5), wherein the well chamber (1) is respectively communicated with a water inlet pipe (33) and a water outlet pipe (34), the inspection cylinder (2) is arranged on a top wall (8) of the well chamber (1), the water inlet and distribution assembly (3), the energy dissipation gas-liquid separation assembly (4) and the rotating assembly (5) are respectively arranged in the well chamber (1), the water inlet pipe (33) is communicated with the water inlet and distribution assembly (3), the water inlet and distribution assembly (3) is communicated with the energy dissipation gas-liquid separation assembly (4) to form a main flow passage, the rotating assembly (5) is arranged below the energy dissipation gas-liquid separation assembly (4) and is connected with the energy dissipation gas-liquid separation assembly (4), the energy dissipation gas-liquid separation device is characterized in that the overhaul cylinder (2), the energy dissipation gas-liquid separation component (4) and the rotating component (5) are sequentially communicated and form an exhaust channel, the water inlet distribution component (3) is communicated with the rotating component (5) and forms a branch channel, water flow entering the rotating component (5) through the branch channel can drive the rotating component (5) to rotate, the rotating component (5) performs energy dissipation and gas-liquid separation on the water flow entering the rotating component when rotating, the rotating component (5) synchronously drives the energy dissipation gas-liquid separation component (4) to rotate together, the energy dissipation gas-liquid separation component (4) performs energy dissipation and gas-liquid separation on the water flow entering the rotating component through the main flow channel when rotating, and the gas flow and the water flow after gas-liquid separation are respectively discharged through the exhaust channel and the water outlet pipe (34).

2. The drainage drop well of claim 1, wherein: the water inlet and distribution assembly (3) comprises a main water inlet tank (9), a water distribution pore plate (12), a main water distribution tank (10), a water distribution tank (11), an annular water distribution channel (16) and a branch water inlet channel (15), wherein the main water inlet tank (9) is communicated with the water inlet pipe (33), the main water inlet tank (9) is respectively adjacent to the main water distribution tank (10) and the water distribution channel (11) through the water distribution pore plate (12), water distribution holes for communicating the main water inlet tank (9) with the main water distribution tank (10) and the main water distribution tank (9) with the water distribution channel (11) are formed in the water distribution pore plate (12), the main water distribution tank (10) is adjacent to the water distribution channel (11) through a partition plate (13), the main water distribution tank (10) is communicated with one end of the main water inlet channel (14), the other end of the main water inlet channel (14) is communicated with the annular water distribution channel (16), the annular water distribution channel (16) is communicated with the top end of the energy dissipation gas-liquid separation component (4), the main water distribution channel (10), the main flow water inlet channel (14), the annular water distribution channel (16) and the gas-liquid separation component (4) form the main flow channel, the branch water channel (11) is communicated with one end of the branch water inlet channel (15), the other end of the branch water inlet channel (15) is communicated with the rotating component (5) in an inclined downward mode, and the branch water channel (11), the branch water inlet channel (15) and the rotating component (5) form the branch flow channel.

3. The drainage drop well of claim 2, wherein: the energy dissipation gas-liquid separation component (4) comprises a rotary energy dissipation mechanism (17) and a fixed cylinder (25), the annular water distribution channel (16) is arranged at the top of the rotary energy dissipation mechanism (17) and communicated with the rotary energy dissipation mechanism, the fixed cylinder (25) is arranged in the rotary energy dissipation mechanism (17), and is positioned at the lower part of the rotary energy dissipation mechanism (17), the rotating component (5) is of a cylindrical structure with a hollow interior, the lower part of the rotary energy dissipation mechanism (17) is sleeved in the rotating component (5), and the water flow entering the rotating assembly (5) through the branch flow channel can drive the rotating assembly (5) to rotate so as to drive the rotary energy dissipation mechanism (17) to rotate, when the rotating component (5) rotates, the energy dissipation and gas-liquid separation are carried out on the water flow entering the rotating component through the branch channel, when the rotary energy dissipation mechanism (17) rotates, the energy dissipation and gas-liquid separation are carried out on the water flow entering the rotary energy dissipation mechanism through the main flow channel.

4. The drainage drop well of claim 3, wherein: the rotary energy dissipation mechanism (17) comprises a funnel-shaped energy dissipation bucket (18), a rotary cylinder (19) and a gas-liquid separation mechanism (20), the annular water distribution channel (16) is arranged in a top port of the energy dissipation bucket (18), the bottom end of the energy dissipation bucket (18) is connected with the top end of the rotary cylinder (19), a diaphragm plate (24) is arranged between the annular water distribution channel and the rotary cylinder for separation, a hole is formed in the middle of the diaphragm plate (24), the fixed cylinder (25) is arranged in the rotary cylinder (19), the top of the fixed cylinder (25) is communicated with the hole of the diaphragm plate (24) through a connecting pipe (26), the fixed cylinder (25) is communicated with the energy dissipation bucket (18) through the connecting pipe (26) and the hole of the diaphragm plate (24), the bottom of the fixed cylinder (25) is fixedly connected to the inner wall of the bottom wall (7) of the well chamber (1) through a support frame (29), and the bottom of the fixed cylinder (25) is provided with a water outlet hole (28), the gas-liquid separation mechanism (20) is arranged in the fixed cylinder (25), the top end of the gas-liquid separation mechanism (20) extends into the energy dissipation hopper (18) through the connecting pipe (26) and the orifice of the diaphragm plate (24), and the upper part of the gas-liquid separation mechanism (20) is fixedly connected with the inner side wall of the energy dissipation hopper (18) through a connecting rod (23).

5. The drainage drop well of claim 4, wherein: the gas-liquid separation mechanism (20) includes an exhaust pipe (21) and a plurality of rotating bodies (22), the exhaust pipe (21) is disposed in the fixed cylinder (25), the top end of the exhaust pipe (21) penetrates through the connecting pipe (26) and the orifices of the diaphragm plate (24) and then extends upwards into the energy dissipation hopper (18), gas after gas-liquid separation sequentially passes through the rotating body (22) and the top end of the exhaust pipe (21) and then is discharged into the energy dissipation hopper (18), the upper part of the exhaust pipe (21) is fixedly connected with the inner side wall of the energy dissipation bucket (18) through a connecting rod (23), the bottom end of the exhaust pipe (21) is rotationally connected with the inner wall of the bottom wall (7) of the well chamber (1), the rotating bodies (22) are arranged on the exhaust pipe (21) at intervals, and can rotate together with the energy dissipation bucket (18) and the exhaust pipe (21).

6. The drainage drop well of claim 5, wherein: the rotating body (22) is an umbrella-shaped curved body with a hollow interior, the inner cavity of the rotating body (22) is communicated with the side wall of the exhaust pipe (21), the upper surface of the rotating body (22) is provided with a protruding structure, and the lower surface of the rotating body (22) is provided with a vent hole for gas to enter.

7. The drainage drop well of claim 4, wherein: the gas-liquid separation mechanism (20) further comprises a plurality of curved baffle plates (27), the baffle plates (27) are arranged on the inner side wall of the fixed barrel (25) at intervals, an orifice is formed in the middle of each baffle plate (27), and the baffle plates (27) and the rotating bodies (22) are arranged in a vertically staggered and spaced mode.

8. The drainage drop well of claim 7, wherein: the rotary cylinder (19), the fixed cylinder (25), the energy dissipation bucket (18), the exhaust pipe (21) and the connecting pipe (26) are arranged on the same central axis, and the central axis passes through the center of the hole on each baffle plate (27).

9. The drainage drop well of claim 4, wherein: the rotating assembly (5) comprises a box body (31) and a plurality of fins (32), the box body (31) is arranged on the periphery of the lower portion of the rotating cylinder (19) in a surrounding mode, the dominating water tank (11) is communicated with one end of the branch water inlet channel (15), the other end of the branch water inlet channel (15) is communicated with the box body (31) in an inclined downward mode, the bottom end of the box body (31) is fixed to the inner wall of the bottom wall (7) of the well chamber (1), the bottom end of the rotating cylinder (19) is rotatably connected with the inner wall of the bottom wall (7) of the well chamber (1), water passing holes communicated with the rotating cylinder (19) and the box body (31) are formed in the portion, located in the box body (31), of the side wall of the rotating cylinder (19), of the water passing holes are formed in the bottom wall (7) of the well chamber (1) and located right below the fixing cylinder (25), the water outlet pipe (34) is communicated with the water through hole, the fins (32) are arranged in the box body (31) and are connected with the lower portion of the side wall of the rotary cylinder (19), water flow entering the rotating assembly (5) through the branch passage can drive the fins (32) to rotate so as to drive the rotary cylinder (19) to rotate, and the rotary cylinder (19) rotates so as to drive the energy dissipation bucket (18), the exhaust pipe (21) and the rotary body (22) to rotate together.

10. A drainage drop well according to any of claims 1 to 9, wherein: the top of the overhaul cylinder (2) is provided with a ventilating well cover (30).

Technical Field

The invention relates to the technical field of supporting facilities of municipal drainage drop wells, in particular to a drainage drop well.

Background

The urban drainage drop well is one of important facilities in a municipal drainage pipe network system, and has the main function of discharging incoming water of a drainage pipe with a higher upstream elevation into a drainage pipe with a lower downstream elevation after energy dissipation, and the drainage drop well has a certain effect of reducing impact of the incoming water with high upstream potential energy on the downstream drainage pipe. The main problem that exists of traditional drainage drop well:

(1) when the height difference between the upstream drainage pipeline and the downstream drainage pipeline is large, the potential energy difference is usually reduced in a step-by-step water drop mode, the energy dissipation effect is poor, the size of a drainage water drop well is large, the corresponding occupied area is large, and the land coordination difficulty is large;

(2) water flow in a drainage pipeline often involves a large amount of air in the falling process in a drop well, and a gas-liquid separation facility is not arranged in a traditional drainage drop well, so that the air enters a downstream drainage pipeline along with the water flow, and the air and pollutants in the water often act together to corrode the drainage pipeline, so that the service life of the drainage pipeline is influenced;

(3) the traditional energy dissipation mode of the drainage drop well is to drop all incoming water, and the energy in the water cannot be fully utilized by the drop mode, so that the energy is wasted to a certain extent.

Disclosure of Invention

The invention aims to solve the technical problem of the prior art and provides a drainage drop well which mainly aims at solving the problem that the height difference exists between the upstream and the downstream of a drainage pipeline, and upstream incoming water is subjected to energy dissipation and gas-liquid separation and then enters the downstream drainage pipeline.

The technical scheme for solving the technical problems is as follows: a drainage drop well comprises a well chamber, an overhaul cylinder, a water inlet and distribution assembly, an energy dissipation gas-liquid separation assembly and a rotating assembly, wherein the well chamber is respectively communicated with a water inlet pipe and a water outlet pipe, the overhaul cylinder is arranged on the top wall of the well chamber, the water inlet and distribution assembly, the energy dissipation gas-liquid separation assembly and the rotating assembly are respectively arranged in the well chamber, the water inlet and distribution assembly and the energy dissipation gas-liquid separation assembly are respectively positioned at the upper part of the well chamber, the water inlet pipe is communicated with the water inlet and distribution assembly, the water inlet and distribution assembly is communicated with the energy dissipation gas-liquid separation assembly to form a main flow channel, the rotating assembly is arranged below the energy dissipation gas-liquid separation assembly and is connected with the energy dissipation gas-liquid separation assembly, the overhaul cylinder, the energy dissipation gas-liquid separation assembly and the rotating assembly are sequentially communicated to form an exhaust channel, and the water inlet assembly is communicated with the rotating assembly to form a branch channel, the water flow entering the rotating assembly through the branch channel can drive the rotating assembly to rotate, the rotating assembly performs energy dissipation and gas-liquid separation on the water flow entering the rotating assembly when rotating, the rotating assembly rotates to synchronously drive the energy dissipation gas-liquid separation assembly to rotate together, the energy dissipation gas-liquid separation assembly performs energy dissipation and gas-liquid separation on the water flow entering the rotating assembly through the main flow channel when rotating, and the gas flow and the water flow after gas-liquid separation are respectively discharged outside through the exhaust channel and the water outlet pipe.

The invention has the beneficial effects that: the water drainage and drop well of the invention distributes the upstream water introduced by the water inlet pipe into a main flow and branch flows through the water inlet distribution assembly, and the kinetic energy converted from potential energy when the branch water flow falls is utilized to drive the rotating assembly to rotate, and when the rotating assembly rotates, the rotating assembly drives the energy dissipation gas-liquid separation assembly to rotate while performing energy dissipation and gas-liquid separation on the branch water flow entering the rotating assembly, the energy dissipation gas-liquid separation component can carry out energy dissipation and gas-liquid separation on the main stream water flow entering the energy dissipation gas-liquid separation component by rotating, so that an energy dissipation mode of driving the main stream water flow to dissipate energy by the energy dissipation of the branch stream water flow is realized, meanwhile, the energy dissipation effect is enhanced through two-stage energy dissipation in the energy dissipation gas-liquid separation component, so that the size of the drop well is reduced, therefore, the drainage drop well not only makes full use of energy, but also synchronously realizes energy dissipation and gas-liquid separation, and has better operation effect.

On the basis of the technical scheme, the invention can be further improved as follows:

further: the water inlet and distribution assembly comprises a main water inlet tank, a water distribution pore plate, a main water distribution tank, a water distribution tank, an annular water distribution channel and a branch water inlet channel, the main water inlet tank is communicated with the water inlet pipe, the main water inlet tank is respectively and adjacently arranged with the main water distribution tank and the water distribution channel through the water distribution pore plate, the water distribution pore plate is provided with a water distribution hole for communicating the main water inlet tank with the main water distribution tank and the main water distribution channel with the water distribution channel, the main water distribution tank and the water distribution channel are adjacently arranged through a partition plate, the main water distribution channel is communicated with one end of the main water inlet channel, the other end of the main water inlet channel is communicated with the annular water distribution channel, the annular water distribution channel is communicated with the top end of the energy dissipation gas-liquid separation assembly, the main water distribution channel, the annular water distribution channel and the gas-liquid separation assembly form the main channel, and the water distribution channel is communicated with one end of the branch water inlet channel, the other end of the branch water inlet channel is obliquely and downwards communicated with the rotating assembly, and the branch water channel, the branch water inlet channel and the rotating assembly form the branch channel.

The beneficial effects of the further scheme are as follows: the energy dissipation gas-liquid separation assembly comprises a main water inlet groove, a water inlet pipe, a water distribution pore plate, a main flow channel, a branch flow channel, an energy dissipation gas-liquid separation assembly, a rotating assembly and an energy dissipation gas-liquid separation assembly, wherein the main flow channel and the branch flow channel are arranged on the water distribution pore plate, the main flow channel and the branch flow channel are arranged in the water distribution pore plate, the main flow channel and the branch flow channel are respectively communicated with the energy dissipation gas-liquid separation assembly and the rotating assembly, the rotating assembly is driven to rotate by the kinetic energy converted from the falling potential energy of the branch flow, the rotating assembly carries out energy dissipation and gas-liquid separation on the branch flow, and simultaneously drives the energy dissipation gas-liquid separation assembly to rotate, and the energy dissipation gas-liquid separation assembly can carry out energy dissipation and gas-liquid separation on the main flow entering the rotating assembly.

Further: the energy dissipation gas-liquid separation assembly comprises a rotary energy dissipation mechanism and a fixed cylinder, the annular water distribution channel is arranged at the top of the rotary energy dissipation mechanism and communicated with the rotary energy dissipation mechanism, the fixed cylinder is arranged in the rotary energy dissipation mechanism and is positioned at the lower part of the rotary energy dissipation mechanism, the rotary assembly is of a hollow cylindrical structure, the lower part of the rotary energy dissipation mechanism is sleeved in the rotary assembly, water flow entering the rotary assembly through the branch channel can drive the rotary assembly to rotate so as to drive the rotary energy dissipation mechanism to rotate, when the rotary assembly rotates, the water flow entering the rotary assembly through the branch channel can be subjected to energy dissipation and gas-liquid separation, and when the rotary energy dissipation mechanism rotates, the water flow entering the rotary assembly through the main channel can be subjected to energy dissipation and gas-liquid separation.

The beneficial effects of the further scheme are as follows: the rotating assembly is driven to rotate by the branch water flow entering the rotating assembly, so that energy dissipation and gas-liquid separation can be carried out on the water flow entering the rotating assembly, meanwhile, the rotating assembly rotates to drive the rotary energy dissipation mechanism to rotate, so that energy dissipation and gas-liquid separation can be carried out on the main flow water flow entering the rotating assembly, an energy dissipation mode that the main flow water flow is driven to dissipate energy by the energy dissipation of the branch water flow is realized, the energy dissipation effect is greatly enhanced, and the size of the drop well is favorably reduced.

Further: the rotary energy dissipation mechanism comprises a funnel-shaped energy dissipation bucket, a rotary cylinder and a gas-liquid separation mechanism, the annular water distribution channel is arranged in a top port of the energy dissipation bucket, the bottom end of the energy dissipation bucket is connected with the top end of the rotary cylinder, a transverse partition plate is arranged between the bottom end of the energy dissipation bucket and the rotary cylinder for separation, a hole is arranged in the middle of the transverse partition plate, a fixed cylinder is arranged in the rotary cylinder, the top of the fixed cylinder is communicated with the hole of the transverse partition plate through a connecting pipe, the fixed cylinder and the energy dissipation bucket are communicated with the hole of the transverse partition plate through the connecting pipe, the bottom of the fixed cylinder is fixedly connected to the inner wall of the bottom wall of the well chamber through a support frame, a water outlet hole is arranged at the bottom of the fixed cylinder, the gas-liquid separation mechanism is arranged in the fixed cylinder, and the top end of the gas-liquid separation mechanism extends into the energy dissipation bucket through the connecting pipe and the hole of the transverse partition plate, the upper part of the gas-liquid separation mechanism is fixedly connected with the inner side wall of the energy dissipation hopper through a connecting rod.

The beneficial effects of the further scheme are as follows: the rotary cylinder is connected with the energy dissipation hopper and the energy dissipation hopper is connected with the gas-liquid separation mechanism, so that the rotary cylinder can drive the energy dissipation hopper to rotate together with the gas-liquid separation mechanism, the first-stage energy dissipation and gas-liquid separation of water flow entering from a main flow channel are realized, the water flow falling from the annular water distribution channel into the energy dissipation hopper can form an auxiliary wall flow on the inner side wall of the energy dissipation hopper through the funnel-shaped energy dissipation hopper and the rotation of the funnel-shaped energy dissipation hopper, and the speed of the auxiliary wall flow can be kept unchanged all the time when the auxiliary wall flow spirally moves from top to bottom on the inner side wall of the energy dissipation hopper, so that the energy dissipation and the gas-liquid separation are facilitated.

Further: the gas-liquid separation mechanism comprises an exhaust pipe and a plurality of rotating bodies, the exhaust pipe is arranged in the fixed cylinder, the top end of the exhaust pipe penetrates through the connecting pipe and the orifices of the diaphragm plate and then extends upwards into the energy dissipation hopper, gas after gas-liquid separation sequentially passes through the rotating bodies and the top end of the exhaust pipe and then is discharged into the energy dissipation hopper, the upper portion of the exhaust pipe and the inner side wall of the energy dissipation hopper are fixedly connected through a connecting rod, the bottom end of the exhaust pipe is rotatably connected with the inner wall of the bottom wall of the well chamber, and the rotating bodies are arranged on the exhaust pipe at intervals and can rotate along with the energy dissipation hopper and the exhaust pipe.

The beneficial effects of the further scheme are as follows: the gas after gas-liquid separation can be upwards discharged through the exhaust pipe, and the water flow entering through the main flow channel impacts the rotating body rotating in the falling process in the fixed cylinder, so that the second-stage energy dissipation and gas-liquid separation are realized.

Further: the rotator is the inside hollow umbrella shape curved surface body, just the inside cavity of rotator with the lateral wall intercommunication of blast pipe, the upper surface of rotator is equipped with protruding structure, the lower surface of rotator is equipped with the venthole that is used for gaseous entering.

The beneficial effects of the further scheme are as follows: the protruding structure arranged on the upper surface of the rotating body can form strong cutting and impacting effects on falling water flow when the rotating body rotates, second-stage energy dissipation and gas-liquid separation of main flow water flow are achieved in the process, meanwhile, the inner cavity of the rotating body is communicated with the side wall of the exhaust pipe, and the lower surface of the rotating body is provided with the vent hole, so that gas separated from gas and liquid of the rotating body can be conveniently discharged upwards into the vent hole in the lower surface of the rotating body at the upper stage, then discharged into the energy dissipation hopper through the exhaust pipe, and discharged into the air through the overhaul cylinder and the vent well cover on the overhaul cylinder.

Further: the gas-liquid separation mechanism further comprises a plurality of curved surface separation blades, the separation blades are arranged on the inner side wall of the fixed cylinder at intervals, an orifice is formed in the middle of each separation blade, and the separation blades and the rotating bodies are arranged in a vertically staggered and spaced mode.

The beneficial effects of the further scheme are as follows: through the arrangement of the baffle plates, water flow after gas-liquid separation and energy dissipation of the rotating body of the previous stage can be guided to the rotating body of the next stage for further gas-liquid separation and energy dissipation, so that the effect of flow guiding is achieved, and the effects of energy dissipation and gas-liquid separation are enhanced.

Further: the rotating cylinder, the fixed cylinder, the energy dissipation hopper, the exhaust pipe and the connecting pipe are arranged in a common central axis, and the central axis penetrates through the centers of the orifices on the baffles.

The beneficial effects of the further scheme are as follows: by arranging the rotating cylinder, the fixed cylinder, the energy dissipation bucket, the exhaust pipe, the connecting pipe and the orifices of the baffle plates on the same central axis, the whole energy dissipation gas-liquid separation assembly has high coaxiality, so that the stability is higher in the rotating process.

Further: the rotating assembly comprises a box body and a plurality of fins, the box body is arranged on the periphery of the lower portion of the rotating cylinder in a surrounding mode, the domination water tank is communicated with one end of the branch water inlet channel, the other end of the branch water inlet channel is communicated with the box body in an inclined downward mode, the bottom end of the box body is fixed to the inner wall of the bottom wall of the well chamber, the bottom end of the rotating cylinder is rotatably connected with the inner wall of the bottom wall of the well chamber, a water through hole which is communicated with the rotating cylinder and the box body is formed in the portion, located in the box body, of the side wall of the rotating cylinder, a water through hole is formed in the bottom wall of the well chamber, located right below the fixing cylinder, the water outlet pipe is communicated with the water through hole, the plurality of fins are arranged in the box body and connected with the lower portion of the side wall of the rotating cylinder, and water entering the rotating assembly through the branch channel can drive the fins to rotate so as to drive the rotating cylinder to rotate, the rotating cylinder rotates to drive the energy dissipation bucket, the exhaust pipe and the rotating body to rotate together.

The beneficial effects of the further scheme are as follows: the fins are arranged in the box body and connected with the lower part of the side wall of the rotary cylinder, so that water flow entering the rotary assembly through the branch channel drives the fins to rotate so as to drive the rotary cylinder to rotate, and further drive the energy dissipation bucket, the exhaust pipe and the rotary body to rotate together, and the energy dissipation and gas-liquid separation of the water flow entering the rotary assembly are realized; the branch water flow after energy dissipation gas-liquid separation is discharged into the water outlet pipe from the box body after sequentially passing through the water passing hole in the side wall of the rotary cylinder and the water passing hole in the bottom wall of the well chamber, and is discharged into a downstream drainage pipe from the water outlet pipe, and gas separated from the branch water flow is discharged into the air through the water passing hole in the side wall of the rotary cylinder, the water outlet hole in the bottom of the fixed cylinder, the air passing hole in the bottom of the rotary body, the exhaust pipe and the bucket-shaped exhaust hood thereof, and the hollow part of the energy dissipation bucket, and is discharged into the air through the maintenance cylinder and the air permeable well cover.

Further: the top of the overhaul cylinder is provided with a ventilating well cover.

The beneficial effects of the further scheme are as follows: through setting up ventilative well lid can be conveniently in time discharging the gas after the gas-liquid separation into the air.

Drawings

Fig. 1 is a schematic structural view of a drainage and drop well according to an embodiment of the present invention;

FIG. 2 is a schematic view of the cross-sectional structure A-A of FIG. 1;

fig. 3 is a schematic view of a cross-sectional structure B-B of fig. 1.

In the drawings, the components represented by the respective reference numerals are listed below:

1. well chamber, 2, maintenance section of thick bamboo, 3, advance water distribution subassembly, 4, energy dissipation gas-liquid separation subassembly, 5, rotating assembly, 6, lateral wall, 7, diapire, 8, roof, 9, total intake flume, 10, main water distribution flume, 11, domination basin, 12, water distribution orifice plate, 13, baffle, 14, mainstream intake canal, 15, tributary intake canal, 16, annular water distribution canal, 17, rotatory energy dissipation mechanism, 18, energy dissipation fill, 19, rotatory section of thick bamboo, 20, gas-liquid separation mechanism, 21, blast pipe, 22, rotator, 23, connecting rod, 24, cross slab, 25, fixed section of thick bamboo, 26, connecting pipe, 27, separation blade, 28, apopore, 29, support frame, 30, ventilative well lid, 31, box, 32, fin, 33, inlet tube, 34, outlet pipe.

Detailed Description

The principles and features of this invention are described below in conjunction with the following drawings, which are set forth by way of illustration only and are not intended to limit the scope of the invention.

As shown in fig. 1 to 3, the drainage drop well comprises a well chamber 1, an inspection cylinder 2, a water inlet and distribution assembly 3, an energy dissipation gas-liquid separation assembly 4 and a rotation assembly 5, wherein a side wall 6 and a bottom wall 7 of the well chamber 1 are respectively communicated with a water inlet pipe 33 and a water outlet pipe 34, the inspection cylinder 2 is arranged on a top wall 8 of the well chamber 1, the top of the inspection cylinder 2 is provided with a ventilation well cover 30, the water inlet and distribution assembly 3, the energy dissipation gas-liquid separation assembly 4 and the rotation assembly 5 are respectively arranged in the well chamber 1, the water inlet and distribution assembly 3 and the energy dissipation gas-liquid separation assembly 4 are respectively positioned at the upper part of the well chamber 1, the water inlet pipe 33 is communicated with the water inlet and distribution assembly 3, the water inlet and distribution assembly 3 is communicated with the energy dissipation gas-liquid separation assembly 4 and forms a main flow channel, the rotation assembly 5 is arranged below the energy dissipation gas-liquid separation assembly 4 and is connected with the energy dissipation gas-liquid separation assembly 4, the overhaul cylinder 2, the energy dissipation gas-liquid separation component 4 and the rotating component 5 are sequentially communicated to form an exhaust channel, the water inlet and distribution component 3 is communicated with the rotating component 5 to form a branch channel, water flow entering the rotating component 5 through the branch channel can drive the rotating component 5 to rotate, the rotating component 5 carries out energy dissipation and gas-liquid separation on the water flow entering the rotating component 5 when rotating, the rotating component 5 synchronously rotates to drive the energy dissipation gas-liquid separation component 4 to rotate together, the energy dissipation gas-liquid separation component 4 carries out energy dissipation and gas-liquid separation on the water flow entering the rotating component through the main flow channel when rotating, and gas flow and water flow after gas-liquid separation are respectively discharged through the ventilation well cover 30 and the water outlet pipe 34.

The drainage drop well of the invention distributes upstream water conveyed by the water inlet pipe 33 into a main flow and a branch flow through the water inlet distribution assembly 3, and drives the rotating assembly 5 to rotate by utilizing kinetic energy converted from potential energy when the branch flow falls, when the rotating assembly 5 rotates, the energy dissipation gas-liquid separation assembly 4 is driven to rotate while the branch flow entering the rotating assembly performs energy dissipation and gas-liquid separation on the main flow entering the rotating assembly, the energy dissipation gas-liquid separation assembly 4 rotates to perform energy dissipation and gas-liquid separation on the main flow entering the rotating assembly, so that an energy dissipation mode of driving the main flow to dissipate energy through the branch flow energy dissipation is realized, and simultaneously, the energy dissipation effect is strengthened through two-stage energy dissipation in the energy dissipation gas-liquid separation assembly 4, thereby reducing the size of the drop well, not only fully utilizing energy, but also synchronously realizing energy dissipation and gas-liquid separation, has better operation effect.

In one or more embodiments of the invention, the well 1 is formed by a plurality of side walls 6, a bottom wall 7 and a top wall 8 interconnected.

In one or more embodiments of the present invention, the water supply and distribution assembly 3 includes a main water supply tank 9, a water distribution orifice plate 12, a main water distribution tank 10, a water distribution dominated tank 11, an annular water distribution channel 16 and a branch water supply channel 15, the main water supply tank 9 is communicated with the water supply pipe 33, the main water supply tank 9 is respectively arranged adjacent to the main water distribution tank 10 and the water distribution dominated tank 11 through the water distribution orifice plate 12, a water distribution orifice plate 12 is provided with water distribution holes for communicating the main water supply tank 9 with the main water distribution tank 10 and the main water supply tank 9 with the water distribution dominated tank 11, the main water distribution tank 10 is arranged adjacent to the water distribution dominated tank 11 through a partition plate 13, the main water distribution tank 10 is communicated with one end of a main water supply channel 14, the other end of the main water supply channel 14 is communicated with the annular water distribution dominated channel 16, the annular water distribution channel 16 is communicated with the top end of the energy dissipation separation assembly 4, the main water distribution tank 10, the main flow inlet channel 14, the annular water distribution channel 16 and the gas-liquid separation assembly 4 form the main flow channel, the branch water distribution tank 11 is communicated with one end of the branch water inlet channel 15, the other end of the branch water inlet channel 15 is communicated with the rotation assembly 5 in an inclined downward manner, and the branch water distribution tank 11, the branch water inlet channel 15 and the rotation assembly 5 form the branch channel.

The water drainage drop well of the invention introduces upstream incoming water flow conveyed by the water inlet pipe 33 through the total water inlet groove 9, then distributes the water flow into a main flow and a branch flow through the water distribution holes on the water distribution pore plate 12, and respectively conducts the water flow into the energy dissipation gas-liquid separation component 4 and the rotating component 5 through the corresponding main flow channel and the corresponding branch flow channel, so as to drive the rotating component 5 to rotate by utilizing the kinetic energy converted by the falling potential energy of the branch flow, when the rotating component 5 rotates, the energy dissipation gas-liquid separation component 4 is driven to rotate, and the energy dissipation gas-liquid separation component 4 rotates to dissipate the energy and separate the gas from the main flow entering the energy dissipation gas-liquid separation component 4.

Here, in practice, the water distribution holes of the water distribution hole plate 12 corresponding to the main water distribution tank 10 and the water distribution tank 11 are provided as necessary so that the sizes of the water flows of the main flow channel and the branch flow channel meet the set requirements. When the water flow sizes of the main flow channel and the branch flow channel need to be adjusted, the number and the size of the water distribution holes on the water distribution hole plate 12 corresponding to the main water distribution tank 10 and the water distribution tank 11 can be adjusted, or the corresponding water distribution hole plate 12 can be directly replaced.

In one or more embodiments of the invention, the energy-dissipating gas-liquid separation assembly 4 comprises a rotary energy-dissipating mechanism 17 and a stationary cylinder 25, the annular water distribution channel 16 is arranged at the top of the rotary energy dissipation mechanism 17 and communicated with the rotary energy dissipation mechanism 17, the fixed cylinder 25 is arranged in the rotary energy dissipation mechanism 17, and is positioned at the lower part of the rotary energy dissipation mechanism 17, the rotating component 5 is a cylindrical structure with a hollow interior, the lower part of the rotary energy dissipation mechanism 17 is sleeved in the rotating component 5, and the water flow entering the rotating assembly 5 through the branch channel can drive the rotating assembly 5 to rotate so as to drive the rotary energy dissipation mechanism 17 to rotate, the rotating assembly 5 performs energy dissipation and gas-liquid separation on the water flow entering the rotating assembly through the branch passage when rotating, when the rotary energy dissipation mechanism 17 rotates, the energy dissipation and gas-liquid separation are carried out on the water flow entering the rotary energy dissipation mechanism through the main flow channel.

According to the drainage drop well, the rotating assembly 5 is driven to rotate by the branch water flow entering the rotating assembly 5, so that energy dissipation and gas-liquid separation can be carried out on the water flow entering the rotating assembly, meanwhile, the rotating assembly 5 rotates to drive the rotating energy dissipation mechanism 17 to rotate, and energy dissipation and gas-liquid separation can be carried out on the main water flow entering the rotating assembly, so that an energy dissipation mode that the main water flow is driven to dissipate energy by the energy dissipation of the branch water flow is realized, the energy dissipation effect is greatly enhanced, and the size of the drop well is favorably reduced.

In practice, the bottom of the annular water distribution channel 16 is uniformly distributed with drainage openings, so that the water flow entering the annular water distribution channel 16 can uniformly fall into the rotary energy dissipation mechanism 17 through the drainage openings.

In one or more embodiments of the invention, the rotary energy dissipation mechanism 17 comprises a funnel-shaped energy dissipation bucket 18, a rotary cylinder 19 and a gas-liquid separation mechanism 20, the annular distribution canal 16 is arranged in the top port of the energy dissipation bucket 18, the bottom end of the energy dissipation bucket 18 is connected with the top end of the rotary cylinder 19, and a diaphragm plate 24 is arranged between the two for separation, an orifice is arranged in the middle of the diaphragm plate 24, the fixed cylinder 25 is arranged in the rotary cylinder 19, the top of the fixed cylinder 25 is communicated with the orifice of the diaphragm plate 24 through a connecting pipe 26, the fixed cylinder 25 is communicated with the energy dissipation bucket 18 through the connecting pipe 26 and the orifice of the diaphragm plate 24, the bottom of the fixed cylinder 25 is fixedly connected to the inner wall of the bottom wall 7 of the well 1 through a support frame 29, the bottom of the fixed cylinder 25 is provided with a water outlet hole 28, the gas-liquid separation mechanism 20 is arranged in the fixed cylinder 25, the top end of the gas-liquid separation mechanism 20 extends into the energy dissipation bucket 18 through the connecting pipe 26 and the orifice of the diaphragm 24, and the upper part of the gas-liquid separation mechanism 20 is connected and fixed with the inner side wall of the energy dissipation bucket 18 through a connecting rod 23.

According to the drainage drop well, the rotary cylinder 19 is connected with the energy dissipation hopper 18, the energy dissipation hopper 18 is connected with the gas-liquid separation mechanism 20, the rotary cylinder 19 can conveniently drive the energy dissipation hopper 18 to rotate together with the gas-liquid separation mechanism 20, the first-stage energy dissipation and gas-liquid separation of water flow entering from a main flow channel are realized, the water flow falling into the energy dissipation hopper 18 from the annular water distribution channel 16 can form wall flow on the inner side wall of the energy dissipation hopper 18 through the funnel-shaped energy dissipation hopper 18 and the rotation of the funnel-shaped energy dissipation hopper, and the wall flow can always keep constant in speed when spirally moving from top to bottom on the inner side wall of the energy dissipation hopper 18, so that the energy dissipation and the gas-liquid separation are facilitated.

In one or more embodiments of the present invention, the gas-liquid separation mechanism 20 includes an exhaust pipe 21 and a plurality of rotating bodies 22, the exhaust pipe 21 is disposed in the fixed cylinder 25, a top end of the exhaust pipe 21 passes through the connecting pipe 26 and the openings of the diaphragm 24 and extends upward into the energy dissipation bucket 18, the gas after gas-liquid separation sequentially passes through the rotating bodies 22 and the top end of the exhaust pipe 21 and is discharged into the energy dissipation bucket 18, an upper portion of the exhaust pipe 21 and an inner side wall of the energy dissipation bucket 18 are fixedly connected by a connecting rod 23, a bottom end of the exhaust pipe 21 is rotatably connected to an inner wall of the bottom wall 7 of the well 1, and the rotating bodies 22 are disposed on the exhaust pipe 21 at intervals and can rotate together with the energy dissipation bucket 18 and the exhaust pipe 21.

The drainage drop well of the invention can discharge gas after gas-liquid separation upwards through the exhaust pipe 21, and the water flow entering through the main flow channel impacts the rotating body 22 in the falling process in the fixed cylinder 25, thereby realizing the second-stage energy dissipation and gas-liquid separation.

In particular, in the embodiment of the present invention, the top end of the exhaust pipe 21 is provided with a bucket-shaped exhaust hood which is arranged above the orifice of the diaphragm 24, so that the gas after gas-liquid separation passes through the exhaust pipe 21 and the bucket-shaped exhaust hood and then is discharged into the energy dissipation hopper 18, and is discharged into the air through the service cylinder 2 and the air-permeable manhole cover 30.

Alternatively, in one or more embodiments of the present invention, the rotating body 22 is an umbrella-shaped curved body with a hollow inside, the inner cavity of the rotating body 22 is communicated with the side wall of the exhaust pipe 21, the upper surface of the rotating body 22 is provided with a protruding structure, and the lower surface of the rotating body 22 is provided with a vent hole for gas to enter.

The drainage drop well of the invention can form strong cutting and impacting effects on the falling water flow through the convex structure arranged on the upper surface of the rotating body 22 when the drainage drop well rotates, in the process, the second-stage energy dissipation and gas-liquid separation of the main flow of water flow are realized, meanwhile, the inner cavity of the rotating body 22 is communicated with the side wall of the exhaust pipe 21, and the lower surface of the rotating body 22 is provided with the vent hole, so that the gas separated from the gas-liquid of the rotating body 22 can be conveniently discharged upwards into the vent hole on the lower surface of the rotating body 22 at the upper stage, then discharged into the energy dissipation hopper 18 through the exhaust pipe 21, and discharged into the air through the overhaul cylinder 2 and the vent well cover 30.

In one or more embodiments of the present invention, the gas-liquid separation mechanism 20 further includes a plurality of curved baffles 27, the baffles 27 are spaced apart from each other on the inner sidewall of the fixed cylinder 25, an opening is formed in the middle of the baffles 27, and the baffles 27 and the plurality of rotating bodies 22 are staggered and spaced up and down.

The water drainage drop well can lead the water flow subjected to gas-liquid separation and energy dissipation by the upper-stage rotating body 22 to the lower-stage rotating body 22 for further gas-liquid separation and energy dissipation by arranging the baffle plates 27, so that the effect of diversion is achieved, and the effect of energy dissipation and gas-liquid separation is enhanced.

Alternatively, in one or more embodiments of the present invention, the rotary cylinder 19, the fixed cylinder 25, the energy dissipater 18, the exhaust pipe 21, the connecting pipe 26 are arranged concentrically, and the central axis passes through the centre of the aperture in each baffle plate 27.

According to the drainage drop well, the orifices of the rotary cylinder 19, the fixed cylinder 25, the energy dissipation bucket 18, the exhaust pipe 21, the connecting pipe 26 and the baffle plate 27 are arranged on the same central axis, so that the whole energy dissipation gas-liquid separation assembly 4 has high coaxiality, and the stability is higher in the rotating process.

In one or more embodiments of the present invention, the rotating assembly 5 includes a box 31 having a hollow cylindrical structure, and a plurality of fins 32, the box 31 is disposed around the lower periphery of the rotating cylinder 19, the dominating water tank 11 is communicated with one end of the branch water inlet channel 15, the other end of the branch water inlet channel 15 is communicated with the box 31 in an inclined downward direction, the bottom end of the box 31 is fixed on the inner wall of the bottom wall 7 of the well 1, the bottom end of the rotating cylinder 19 is rotatably connected with the inner wall of the bottom wall 7 of the well 1, a water through hole for communicating the rotating cylinder 19 with the box 31 is disposed on the side wall of the rotating cylinder 19 at a portion inside the box 31, a water through hole is disposed on the bottom wall 7 of the well 1 directly below the fixed cylinder 25, the water outlet pipe 34 is communicated with the water through hole, the plurality of fins 32 are disposed inside the box 31 and connected with the lower portion of the side wall of the rotating cylinder 19, the water flow entering the rotating assembly 5 through the branch passage can drive the fins 32 to rotate so as to drive the rotating cylinder 19 to rotate, and the rotating cylinder 19 rotates so as to drive the energy dissipation bucket 18, the exhaust pipe 21 and the rotating body 22 to rotate together.

According to the drainage drop well, the fins 32 are arranged in the box body 31 and are connected with the lower part of the side wall of the rotary cylinder 19, so that water flow entering the rotary component 5 through the branch channel drives the fins 32 to rotate so as to drive the rotary cylinder 19 to rotate, further drives the energy dissipation bucket 18, the exhaust pipe 21 and the rotary body 22 to rotate together, and realizes energy dissipation and gas-liquid separation of the water flow entering the rotary component 5; the branch water flow after energy dissipation gas-liquid separation is discharged into the water outlet pipe 34 from the box body 31 after sequentially passing through the water passing holes on the side wall of the rotary cylinder 19 and the water passing hole on the bottom wall 7 of the well chamber 1, and is discharged into a downstream water discharge pipeline from the water outlet pipe 34, and the gas separated from the branch water flow is discharged into the air through the water passing holes on the side wall of the rotary cylinder 19, the water outlet hole 28 at the bottom of the fixed cylinder 25, the air passing hole opening at the bottom surface of the rotary body 22, the exhaust pipe 21 and the bucket-shaped exhaust hood thereof, and the hollow part of the energy dissipation bucket 18, and is discharged into the air through the overhaul cylinder 2 and the air permeable well cover 30.

Optionally, in one or more embodiments of the present invention, the ventilation hole cover 30 is provided with a plurality of ventilation holes.

Through set up on the ventilative well lid 30 the bleeder vent can conveniently pass through the gas after the gas-liquid separation on the ventilative well lid 30 the bleeder vent is arranged into in the air.

The invention relates to a drainage drop well, which has the following working principle:

after entering the well chamber 1 through the water inlet pipe 33, the upstream water enters the main water inlet tank 9 and is distributed into a main stream and a branch stream by the distribution hole plate 12, wherein the flow rate of the main stream is much larger than that of the branch stream, and the two streams flow separately.

The branch water flow firstly passes through the water distribution tank 11, then drains from a high position to a low position through the branch water inlet channel 15, and obliquely enters the box body 31 downwards, in the process, the branch water flow converts potential energy into kinetic energy and forms fast moving water flow to impact the fins 32, the impact action of the branch water flow can not only dissipate energy of the branch water flow, but also separate air carried in the water flow from a water body, and can also enable the fins 32 to rotate, the fins 32 rotate to drive the rotary cylinder 19 to rotate, the rotary cylinder 19 rotates to drive the energy dissipation bucket 18 to rotate, and the connecting rod 23 drives the exhaust pipe 21 and the rotary body 22 to rotate in the process of rotating the energy dissipation bucket 18; branch water flow after energy dissipation gas-liquid separation sequentially passes through the water passing holes in the side wall of the rotary cylinder 19 and the water passing hole opening in the bottom wall 7 of the well chamber 1 from the box body 31 and then is discharged into the water outlet pipe 34, and is discharged into a downstream drainage pipeline from the water outlet pipe 34; the gas separated from the branch water flow passes through the water passing hole on the side wall of the rotary cylinder 19, the water outlet hole 28 at the bottom of the fixed cylinder 25, the air vent hole on the bottom surface of the rotary body 22, the exhaust pipe 21 and the bucket-shaped exhaust cover thereof, and the hollow part of the energy dissipation bucket 18 in sequence, and is finally discharged into the air through the maintenance cylinder 2 and the air permeable well cover 30.

The mainstream water flow sequentially passes through the main water distribution groove 10 and the main water inlet channel 14, and falls into the rotary energy dissipation mechanism 17 through the water drainage hole at the bottom of the annular water distribution channel 16, the energy dissipation bucket 18, the exhaust pipe 21 and the rotating body 22 in the rotary energy dissipation mechanism 17 rotate under the action of the substream water flow, and the mainstream water flow falling into the rotary energy dissipation mechanism performs energy dissipation and gas-liquid separation in the rotating process, which specifically comprises the following steps: the main flow firstly falls into the inner side wall of the energy dissipation bucket 18 through the water discharge hole at the bottom of the annular water distribution channel 16, and the main flow falling into the energy dissipation bucket 18 forms an auxiliary wall flow on the inner side wall of the energy dissipation bucket 18 and spirally moves from top to bottom under the rotation action of the energy dissipation bucket 18, in the moving process, the main flow and the inner side wall of the energy dissipation bucket 18 form strong friction to realize first-stage energy dissipation, and the funnel-shaped structure with the wide upper part and the narrow lower part of the energy dissipation bucket 18 can enable the speed of the formed auxiliary wall flow to be always kept unchanged during the spiral movement from top to bottom so as to be beneficial to energy dissipation; meanwhile, the centrifugal action in the process of spiral motion of the wall flow from top to bottom enables the gas and the water carried in the main flow to be separated into a first stage, the gas separated from the flow is discharged along the hollow part of the energy dissipation bucket 18 and then discharged into the air through the maintenance cylinder 2 and the ventilation well cover 30, the main flow after energy dissipation falls into the fixed cylinder 25 through the connecting pipe 26 from the orifice on the diaphragm plate 24 at the bottom of the energy dissipation bucket 18, the main flow impacts the rotating body 22 in the falling process of the main flow in the fixed cylinder 25, so that the energy dissipation of a second stage is realized, the protruding structure on the top surface of the rotating body 22 forms strong cutting and impacting action on the main flow when the rotating body 22 rotates, the gas-liquid separation of the second stage in the main flow is realized in the process, and the separated gas is discharged upwards into the ventilation orifice on the bottom surface of the rotating body 22 of the previous stage, the gas passes through the exhaust pipe 21 and the bucket-shaped exhaust hood in sequence and then is discharged into the hollow part of the energy dissipation bucket 18, and is discharged into the air through the maintenance cylinder 2 and the ventilating well cover 30; the main flow of water after energy dissipation gas-liquid separation flows out from the water outlet hole 28 at the bottom of the fixed cylinder 25, enters the bottom of the rotary cylinder 19, passes through the water through hole opening on the bottom wall 7 of the well chamber 1, then is discharged into the water outlet pipe 34, and is discharged into a downstream drainage pipeline through the water outlet pipe 34.

During maintenance, the ventilating well cover 30 at the top of the maintenance cylinder 2 can be opened, and maintenance personnel or equipment can enter the well from the maintenance cylinder 2 to perform maintenance and dredging.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.