阅读说明：本技术 一种用于合流制排渠内的一体化截流装置 (Integrated cut-off device used in combined system drainage channel ) 是由 夏沛青 朱子墨 林胜 王磊 张元佳 付强 者诗怀 严博诚 胡国林 高连敬 刘新超 于 2021-09-18 设计创作，主要内容包括：本发明涉及一种用于合流制排渠内的一体化截流装置,包括整体外框、缩放角挡板、多个截流支管和截流总管,缩放角挡板设于所述整体外框内部,缩放角挡板所在平面与水流方向的夹角为锐角；截流支管的输入端与所述整体外框连接；截流总管与所述截流支管连接,所述截流总管的下游管体与后端管网或水处理设施连接。与现有技术相比,本发明通过格栅网、中空腔、宽顶堰三个部位的结构设计,实现了栅渣拦截、污水截流、雨水溢流三重复合功能的有机结合,有效降低了合流制排水系统截流改造的工程难度,大幅缩短了施工周期,并减少了改造过程中合流污水渗漏的工程风险,相较传统截流井而言,具有快速、便捷、经济的特点。(The invention relates to an integrated cut-off device used in a combined drainage channel, which comprises an integral outer frame, a convergent-divergent angle baffle, a plurality of cut-off branch pipes and a cut-off main pipe, wherein the convergent-divergent angle baffle is arranged in the integral outer frame, and the included angle between the plane of the convergent-divergent angle baffle and the water flow direction is an acute angle; the input end of the intercepting branch pipe is connected with the integral outer frame; the main pipe for intercepting is connected with the branch pipes for intercepting, and the downstream pipe body of the main pipe for intercepting is connected with a rear end pipe network or a water treatment facility. Compared with the prior art, the combined intercepting and drainage system realizes the organic combination of triple composite functions of grid slag interception, sewage interception and rainwater overflow through the structural design of the three parts of the grid net, the hollow cavity and the wide top weir, effectively reduces the engineering difficulty of intercepting and reconstruction of the combined drainage system, greatly shortens the construction period, reduces the engineering risk of leakage of combined sewage in the reconstruction process, and has the characteristics of rapidness, convenience and economy compared with the traditional intercepting well.)

1. An integrated shut-off device for use in a combined drainage channel, comprising:

the integral outer frame (3), wherein a filter unit is arranged on the water-facing side of the integral outer frame (3);

the scaling angle baffle (2) is arranged inside the whole outer frame (3), and the included angle between the plane of the scaling angle baffle (2) and the water flow direction is an acute angle;

the input ends of the intercepting branch pipes (4) are connected with the integral outer frame (3);

the pipeline intercepting device comprises an intercepting main pipe (5), wherein the intercepting main pipe (5) is connected with the intercepting branch pipe (4), and a downstream pipe body of the intercepting main pipe (5) is connected with a rear-end pipe network or a water treatment facility.

2. The integrated intercepting device for the combined drainage channel according to claim 1, wherein the integral outer frame (3) is of a cuboid structure with an opening facing the water, and the filtering unit is arranged at the opening facing the water.

3. An integrated shut-off device for use in a combined drainage channel according to claim 1, characterised in that the integral casing (3) is of stainless steel casing construction.

4. An integrated shut-off device for use in a combined drainage channel according to claim 1, wherein the filtering unit is a grid net (1).

5. An integrated shut-off device for use in a converging drainage channel according to claim 1, wherein the length of the integral casing (3) is perpendicular to the length of the converging drainage channel.

6. An integrated shut-off device for use in a converging drainage channel according to claim 1, wherein the length of the integral casing (3) is equal to the width of the inner channel wall of the converging drainage channel.

7. An integrated cut-off device for use in a combined drainage channel according to claim 1, wherein the inlet ends of the cut-off branch pipes (4) are connected to a back side plate (32) of the integrated outer frame (3), and the axial direction of the cut-off branch pipes (4) is perpendicular to the plane of the back side plate (32).

8. The integrated intercepting device for the combined drainage channel according to claim 7, wherein the two convergent-divergent angle baffles (2) are symmetrically arranged in the whole outer frame (3), the convergent-divergent angle baffles (2) are vertical to the horizontal plane, one side of each convergent-divergent angle baffle (2) is connected to the auxiliary side plate (31) of the whole outer frame (3), and the other side of each convergent-divergent angle baffle is connected to the back side plate (32).

9. The integrated intercepting device for a combined drainage channel according to claim 8, wherein the convergent-divergent angle baffle (2) forms an angle of 40-60 degrees with the water flow direction.

10. The integrated cut-off device for use in a combined drainage channel according to claim 1, further comprising a base strip (6), wherein the base strip (6) is fixed to the bottom surface of the combined drainage channel by means of expansion bolts (7);

the outer bottom surface of the whole outer frame (3) is welded with the base strip (6).

Technical Field

The invention relates to the field of water treatment, in particular to an integrated cut-off device used in a combined drainage channel.

Background

At present, the drainage system of cities and towns in China mainly presents the distribution situation that the old urban area adopts a confluence system and the new urban area adopts a shunt system. In the old urban areas with long construction years, because of the limitations of various aspects such as the prior art and the like, the direct-discharge combined drainage system is still adopted, and the sewage is discharged without being treated in the drainage mode, so that the received water body suffers from serious pollution. Aiming at a direct-discharge type confluence system, a shutoff type is usually adopted for transformation at present, specifically, a shutoff well and a shutoff trunk pipe are built at the tail end of a confluence pipeline, and dry season sewage, rainy season part sewage and initial rainwater are collected and then uniformly conveyed to a sewage plant for treatment, so that the pollution pressure of the ecological water environment can be relieved.

The traditional intercepting type reconstruction has higher requirements on early geophysical prospecting, construction period, operation area and the like due to the fact that the traditional intercepting type reconstruction relates to the aspects of existing drainage channel interception, well body civil construction and the like. Therefore, it is necessary to develop a device suitable for rapid closure modification of a combined drainage channel.

Disclosure of Invention

The invention aims to overcome the defects in the prior art and provide an integrated intercepting device for a combined drainage channel, which can exert a more stable intercepting effect with lower labor, capital and time cost.

The purpose of the invention can be realized by the following technical scheme:

the purpose of this technical scheme is to protect an integration cut-off equipment for in confluence system drainage canal, including whole frame, angle baffle, a plurality of branch pipes and the total pipe that dams of zooming, wherein specifically:

the integral outer frame is provided with a filtering unit on the water facing side;

the scaling angle baffle is arranged inside the whole outer frame, and the included angle between the plane of the scaling angle baffle and the water flow direction is an acute angle;

the input ends of the intercepting branch pipes are connected with the integral outer frame;

the main pipe that dams, the main pipe that dams with the branch pipe connection that dams, the low reaches body and the rear end pipe network or the water treatment facility of the main pipe that dams are connected.

Further, whole frame is upstream face open-ended cuboid structure, the filter unit is located upstream face opening part.

Further, the whole outer frame is of a stainless steel shell structure.

Further, the filtering unit is a grid net.

Further, the length direction of the whole outer frame is perpendicular to the length direction of the combined drainage channel.

Further, the length of the whole outer frame is equal to the width of the inner wall of the confluence drainage channel.

Furthermore, the inlet end of the intercepting branch pipe is connected to a back side plate of the whole outer frame, and the axial direction of the intercepting branch pipe is perpendicular to the plane of the back side plate.

Furthermore, the two zoom angle baffles are symmetrically arranged in the whole outer frame, the two zoom angle baffles are perpendicular to the horizontal plane, one side of each zoom angle baffle is connected to the auxiliary side plate of the whole outer frame, and the other side of each zoom angle baffle is connected to the back side plate.

Furthermore, the angle of contraction and enlargement baffle and the water flow direction form an included angle of 40-60 degrees.

The base strip is fixed on the bottom surface of the combined drainage channel through expansion bolts;

the outer bottom surface of the whole outer frame is welded with the base strip.

Compared with the prior art, the invention has the following technical advantages:

1) the front end of the integrated cut-off equipment in the technical scheme realizes interception of large-particle sewage impurities through arrangement of a grid net, a middle cavity adopts a hollow structure with a hydraulic zoom angle to provide a confluence channel of confluence sewage, the tail end of the cavity is a plurality of small-caliber cut-off branch pipes uniformly distributed on the outer wall of the device, the cut-off water quantity can be accurately controlled, the height of the device can be reasonably controlled, and finally, the cut-off branch pipes and the sewage are uniformly converged to a main pipe and are conveyed to a rear-end pipe net or a water treatment facility.

2) The integrated intercepting device in the technical scheme can be used as a wide top weir at the same time, when the combined water flow is large in rainy seasons, the top of the shell can be a sewage overflow channel, the upstream water blocking risk is avoided, and the intercepting and overflowing of the combined sewage are realized at the same time.

3) The integrated intercepting device in the technical scheme can be quickly installed without destroying the existing structure of the drainage channel, the organic combination of the triple composite functions of grid slag interception, sewage interception and rainwater overflow is realized through the structural design of the three positions of the grid net, the hollow cavity and the wide top weir, the engineering difficulty of intercepting and transformation of a combined drainage system is effectively reduced, the construction period is greatly shortened, the engineering risk of combined sewage leakage in the transformation process is reduced, and compared with the traditional intercepting well, the integrated intercepting device has the characteristics of quickness, convenience and economy.

Drawings

Fig. 1 is a schematic top view of an integrated cut-off device according to the present disclosure;

fig. 2 is a schematic front view of the integrated cut-off device in the present technical solution;

fig. 3 is a schematic side view of the integrated shutoff device in the technical solution.

Reference numerals: 1. a grid net; 2. a convergent-divergent angle baffle plate; 3. an integral outer frame; 4. a flow-intercepting branch pipe; 5. a main shutoff pipe; 6. a base strip; 7. expansion bolts, 31, an auxiliary side plate, 32 and a back side plate.

Detailed Description

The invention is described in detail below with reference to the figures and specific embodiments. In the technical scheme, the characteristics such as the part type, the material name, the connection structure and the like which are not explicitly described are all regarded as common technical characteristics disclosed in the prior art.

The integrated cut-off device for use in a combined drainage channel in the present embodiment comprises an integral frame 3, a convergent-divergent angle baffle 2, a plurality of cut-off branch pipes 4 and a cut-off header pipe 5, wherein see fig. 1 to 3 in particular.

The front end sets up through the grid net and realizes the interception to large granule sewage impurity, and middle cavity adopts the hollow structure who takes the water conservancy angle of zooming to provide the passageway that converges of confluence sewage, and the cavity is terminal to install many small-bore interception branch pipes of evenly distributed on the outer wall promptly, but both accurate control interception water yield and reasonable control device height, finally the branch pipe sewage that dams is unified to be joined to the house steward, carries to rear end pipe network or water treatment facility.

In specific implementation, a filter unit is arranged on the water facing side of the whole outer frame 3; the zooming angle baffle 2 is arranged inside the whole outer frame 3, and the included angle between the plane of the zooming angle baffle 2 and the water flow direction is an acute angle; the convergent-divergent angle baffle 2 forms an included angle of 40-60 degrees with the water flow direction, and particularly, the included angle is preferably 45 degrees.

In specific implementation, the input end of the intercepting branch pipe 4 is connected with the whole outer frame 3; the intercepting main pipe 5 is connected with the intercepting branch pipe 4, and the downstream pipe body of the intercepting main pipe 5 is connected with a rear-end pipe network or a water treatment facility.

When the water filter is specifically implemented, the whole outer frame 3 is of a cuboid structure with an opening on the upstream face, and the filter unit is arranged at the opening on the upstream face. The three structural design of position through grid net, well cavity, wide top weir has realized the organic combination of the triple complex function of grid sediment interception, sewage damps, rainwater overflow, has effectively reduced the engineering degree of difficulty that the confluence system drainage system dams the transformation, has shortened construction cycle by a wide margin to reduce the engineering risk of transforming in-process confluence sewage seepage, compare traditional vatch basin, have quick, convenient, economic characteristics.

In specific implementation, the whole outer frame 3 is of a stainless steel shell structure. The filtering unit is a grid net 1, and the aperture of the grid net 1 can be specifically adjusted based on the interception standard of silt.

In a specific embodiment, the longitudinal direction of the entire outer frame 3 is perpendicular to the longitudinal direction of the combined drainage channel. The length of the whole outer frame 3 is equal to the width of the inner wall of the confluence drainage channel. As a wide-top weir, when the combined water amount is large in rainy seasons, the top of the shell becomes a sewage overflow channel, the upstream water blocking risk is avoided, and the interception and overflow of the combined sewage are realized.

In a specific implementation, referring to fig. 1, the inlet end of the intercepting branch pipe 4 is connected to the back side plate 32 of the whole outer frame 3, and the axial direction of the intercepting branch pipe 4 is perpendicular to the plane of the back side plate 32. Two zoom angle baffles 2 are symmetrically arranged in the whole outer frame 3, the zoom angle baffles 2 are vertical to the horizontal plane, one side of each zoom angle baffle 2 is connected to the auxiliary side plate 31 of the whole outer frame 3, and the other side of each zoom angle baffle is connected to the back side plate 32.

In specific implementation, the base strip 6 is fixed on the bottom surface of the combined drainage channel through expansion bolts 7. The outer bottom surface of the whole outer frame 3 is welded on the base strip 6.

In specific implementation, the integrated intercepting device in the technical scheme mainly comprises a grid net 1, a zoom angle baffle 2, an integral outer frame 3, intercepting branch pipes 4, an intercepting main pipe 5, a base strip 6 and expansion bolts 7. The device needs to be installed at the bottom of the current confluence drainage channel and close to the position of a discharge port. The device can be installed in dry seasons when the amount of sewage is small. The base strip 6 is fixed by the expansion bolts 7, then the main body of the device is arranged on the base strip 6, and the whole outer frame 3 and the base strip 6 are fixed by spot welding, so that the existing drainage channel is not damaged.

In the specific service process, the grid net 1 is positioned on the upstream surface of the device, so that the primary screening of the combined flow sewage is realized; and then the sewage flows into the intercepting branch pipes 5 after the hydraulic conditions are improved by the internal convergent-divergent angle baffles 2, and the sewage uniformly flows into the intercepting main pipe 5 after the plurality of branch pipes are converged and finally enters the next-stage pipe network or treatment facility. The excess interflow sewage overflows through a wide top weir formed at the top of the device.

The embodiments described above are described to facilitate an understanding and use of the invention by those skilled in the art. It will be readily apparent to those skilled in the art that various modifications to these embodiments may be made, and the generic principles described herein may be applied to other embodiments without the use of the inventive faculty. Therefore, the present invention is not limited to the above embodiments, and those skilled in the art should make improvements and modifications within the scope of the present invention based on the disclosure of the present invention.