阅读说明：本技术 一种水锤泵的尾水回收机构 (Tail water recovery mechanism of hydraulic ram ) 是由 赵婷婷 于 2020-12-16 设计创作，主要内容包括：本发明涉及节能环保技术领域,且公开了一种水锤泵的尾水回收机构,包括泵体,所述泵体的一端固定连接有进水管,所述泵体的内腔活动连接有位于进水管连接口处的启闭阀,所述泵体的内腔设置有泵腔,所述泵体中部的上端固定连接有压力罐。本发明通过设置辅助扬水机构,使得在水锤泵正常工作时,能通过活动板克服弹簧弹力以及挤压压气腔内空气,使水流能量对泵腔的振动缓解,从而保障水锤泵的工作寿命以及减小噪音的产生,且在弹簧推动活动板进行复位时,能通过启闭阀使进水管封闭,从而使得在活动板对泵腔内水的推力作用下,使水锤泵再次进行小批量扬水,从而在二次扬水的作用下,弥补水流能量不足导致扬水高度不足的问题。(The invention relates to the technical field of energy conservation and environmental protection, and discloses a tail water recovery mechanism of a hydraulic ram, which comprises a pump body, wherein one end of the pump body is fixedly connected with a water inlet pipe, an inner cavity of the pump body is movably connected with an opening and closing valve positioned at a connection port of the water inlet pipe, a pump cavity is arranged in the inner cavity of the pump body, and the upper end of the middle part of the pump body is fixedly connected with a pressure tank. According to the invention, the auxiliary water pumping mechanism is arranged, so that when the hydraulic ram pump normally works, the movable plate can overcome the elastic force of the spring and extrude air in the air compression cavity, the vibration of water flow energy to the pump cavity is relieved, the working life of the hydraulic ram pump is ensured, the noise is reduced, and when the spring pushes the movable plate to reset, the water inlet pipe can be closed through the opening and closing valve, so that the hydraulic ram pump can pump water again in small batches under the thrust action of the movable plate to water in the pump cavity, and the problem of insufficient water pumping height caused by insufficient water flow energy is solved under the action of secondary water pumping.)

1. The utility model provides a tail water recovery mechanism of hydraulic ram, includes the pump body (1), the one end fixedly connected with inlet tube (2) of the pump body (1), its characterized in that: the inner cavity of the pump body (1) is movably connected with an opening and closing valve (3) positioned at a joint of a water inlet pipe (2), the inner cavity of the pump body (1) is provided with a pump cavity (4), the upper end of the middle part of the pump body (1) is fixedly connected with a pressure tank (5), the upper end of the pressure tank (5) is provided with an air cavity (6), the upper end of the pump cavity (4) is communicated with the lower end of the pressure tank (5) through a central valve (7), the left side of the upper end of the pump body (1) is provided with a tail water cavity (8), the lower end of the tail water cavity (8) is communicated with the upper end of the pump cavity (4) through a drain valve (9), the upper end of the tail water cavity (8) is provided with an air vent (10) communicated with the outside, the left side of the inner cavity of the pump body (1) is provided with an air pressing cavity (11), the right side of the air pressing cavity (11) is movably provided with, one side of the pressure tank (5) is fixedly connected with a water raising pipe (16).

2. The tail water recovery mechanism of a hydraulic ram according to claim 1, wherein: piston rod (14) have been cup jointed in the upper end activity of pressure air cavity (11), and the other end of piston rod (14) is located tail water cavity (8), water trough (15) intercommunication is passed through with the left side of overhead tank (5) inner chamber in the right side of tail water cavity (8), and the left side of water trough (15) is provided with the check valve by water trough (15) inner chamber to overhead tank (5) inner chamber.

3. The tail water recovery mechanism of a hydraulic ram according to claim 1, wherein: the opening and closing valve (3), the central valve (7) and the drain valve (9) are all one-way valves, the opening and closing valve (3) is the one-way valve conducted from the water inlet pipe (2) to the pump cavity (4), the central valve (7) is the one-way valve conducted from the pump cavity (4) to the inner cavity of the pressure tank (5), and the drain valve (9) is the one-way valve conducted from the pump cavity (4) to the tail water cavity (8).

Technical Field

The invention relates to the technical field of energy conservation and environmental protection, in particular to a tail water recovery mechanism of a hydraulic ram.

Background

The water hammer pump is an advanced water lifting device which takes running water as power and generates a water hammer effect through mechanical action to convert low water head energy into high water head energy, utilizes energy generated when water in the flow is suddenly braked to ensure that part of water pressure rises to a certain height, has long service life, can be used for about thirty years, saves maintenance cost at ordinary times, does not need to build a machine room, does not need special person on duty management, only needs to replace a sealing ring and paint once a year, and has large water lifting amount and high water lifting lift when the water hammer pump is in thin water and long flow.

The structure of traditional hydraulic ram pump is mainly by the inlet tube, the pump body, the outlet valve, the central valve, the overhead tank, outlet pipe six parts are constituteed, current hydraulic ram pump device is at the during operation, the inlet pipe mouth of pipe needs to be higher than the pump body just can make the hydraulic ram pump can normally work, and the difference in height is different, can influence the pumping height of outlet pipe, and ability when rivers strike can be by water pump vibration consumption part, lead to when the difference in height is less, the condition that the pumping height of hydraulic ram pump is less or even unable normal work produces, thereby the adaptation place of hydraulic ram pump has been restricted, and when the water of high potential energy gets into power water pipe, just begin water pressure not big, the drain valve does not reach the encapsulated situation, partly water (tail) flows through the drain valve, each time circulation, cause a large amount of tail water to run off, cause the water waste, lead to economic.

Disclosure of Invention

Aiming at the defects of the existing hydraulic ram pump in the background technology in the using process, the invention provides a tail water recovery mechanism of the hydraulic ram pump, which has the advantages of assisting in pumping and tail water recovery and solves the technical problems in the background technology.

The invention provides the following technical scheme: a tail water recovery mechanism of a hydraulic ram comprises a pump body, wherein one end of the pump body is fixedly connected with a water inlet pipe, the inner cavity of the pump body is movably connected with an opening and closing valve positioned at the connection port of the water inlet pipe, the inner cavity of the pump body is provided with a pump cavity, the upper end of the middle part of the pump body is fixedly connected with a pressure tank, the upper end of the pressure tank is provided with an air cavity, the upper end of the pump cavity is communicated with the lower end of the pressure tank through a central valve, a tail water cavity is arranged on the left side of the upper end of the pump body, the lower end of the tail water cavity is communicated with the upper end of the pump cavity through a drain valve, the upper end of the tail water cavity is provided with a vent hole communicated with the outside, the left side of the inner cavity of the pump body is provided with a gas compression cavity, the right side of the gas compression cavity is movably provided with a movable plate, the left side of the movable plate is movably connected with the left wall of the air pressing cavity through a spring, and one side of the pressure tank is fixedly connected with a water lifting pipe.

Preferably, the upper end of the air compression cavity is movably sleeved with a piston rod, the other end of the piston rod is located in the tail water cavity, the right side of the tail water cavity is communicated with the left side of the inner cavity of the pressure tank through a water passing groove, and a one-way valve from the inner cavity of the water passing groove to the inner cavity of the pressure tank is arranged on the left side of the water passing groove.

Preferably, the opening and closing valve, the central valve and the drain valve are all one-way valves, the opening and closing valve is a one-way valve communicated from the water inlet pipe to the pump cavity, the central valve is a one-way valve communicated from the pump cavity to the inner cavity of the pressure tank, and the drain valve is a one-way valve communicated from the pump cavity to the tail water cavity.

The invention has the following beneficial effects:

1. according to the invention, the auxiliary water pumping mechanism is arranged, so that when the hydraulic ram pump normally works, the movable plate can overcome the elastic force of the spring and extrude air in the air compression cavity, the vibration of water flow energy to the pump cavity is relieved, the working life of the hydraulic ram pump is ensured, the noise is reduced, and when the spring pushes the movable plate to reset, the water inlet pipe can be closed through the opening and closing valve, so that the hydraulic ram pump can pump water again in small batches under the thrust action of the movable plate to water in the pump cavity, and the problem of insufficient water pumping height caused by insufficient water flow energy is solved under the action of secondary water pumping.

2. According to the invention, by arranging the tail water recovery mechanism, when the piston rod extends outwards under the action of gas thrust in the air compression cavity through the auxiliary water pumping mechanism, the tail water remained in the sealed tail water cavity can be pushed into the pressure tank through the water through groove, so that the tail water participates in the work of the hydraulic ram pump, the effect of tail water recovery is achieved, and the problem of water resource waste caused by partial water leakage due to the opening and closing of the water drain valve in the work of the traditional hydraulic ram pump is solved.

Drawings

FIG. 1 is a schematic cross-sectional view of the structure of the present invention;

fig. 2 is a schematic diagram of the structural working state of the present invention.

In the figure: 1. a pump body; 2. a water inlet pipe; 3. opening and closing a valve; 4. a pump chamber; 5. a pressure tank; 6. an air chamber; 7. a central valve; 8. a tail water cavity; 9. a water drain valve; 10. a vent hole; 11. a compressed air cavity; 12. a movable plate; 13. a spring; 14. a piston rod; 15. a water trough; 16. a water raising pipe.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-2, a tail water recycling mechanism of a hydraulic ram pump comprises a pump body 1, one end of the pump body 1 is fixedly connected with a water inlet pipe 2, an inner cavity of the pump body 1 is movably connected with an opening and closing valve 3 positioned at a connection port of the water inlet pipe 2, an inner cavity of the pump body 1 is provided with a pump cavity 4, an upper end of the middle part of the pump body 1 is fixedly connected with a pressure tank 5, an upper end of the pressure tank 5 is provided with an air cavity 6, an upper end of the pump cavity 4 is communicated with a lower end of the pressure tank 5 through a center valve 7, a left side of the upper end of the pump body 1 is provided with a tail water cavity 8, a lower end of the tail water cavity 8 is communicated with an upper end of the pump cavity 4 through a drain valve 9, an upper end of the tail water cavity 8 is provided with an air vent 10 communicated with the outside, a left side of, one side of the pressure tank 5 is fixedly connected with a water lifting pipe 16, when the hydraulic ram pump works normally, water flows into the pump cavity 4 through the water inlet pipe 2, after the water drain valve 9 is closed suddenly under the action of water pressure, the water flow has a water hammer effect to impact the inner wall of the pump cavity 4, the impact on the left side of the pump cavity 4 overcomes the elastic force of the spring 13 at the movable plate 12 and moves, and the air in the air compression cavity 11 is extruded, so that the impact is relieved, the vibration of the hydraulic ram pump is reduced, the noise is reduced, meanwhile, the upward impact water flow enables the central valve 7 to be opened, so that the water flow moves into the pressure tank 5 from the central valve 7, and under the action of the air cavity 6, the water in the pressure tank 5 is extruded along the water lifting pipe 16 under the action of two side pressures, so that the water lifting is completed, after the pressure in the hydraulic ram pump is greater than the primary impact force in the water inlet pipe 2, under the action, make the on-off valve 3 self-closing, simultaneously under spring 13's effect, make fly leaf 12 automatic re-setting to promote pump chamber 4 internal water once more, thereby make water flow into overhead tank 5 in through central valve 7, and make overhead tank 5 internal water pass through lift pipe 16 and upwards carry water here, thereby make the single water delivery of hydraulic ram be decomposed into two parts water delivery, thereby reduced the impact of rivers in to pump chamber 4, and ensured the lift height of hydraulic ram.

Wherein, the upper end of the air compressing cavity 11 is movably sleeved with a piston rod 14, the other end of the piston rod 14 is positioned in the tail water cavity 8, the right side of the tail water cavity 8 is communicated with the left side of the inner cavity of the pressure tank 5 through a water through groove 15, and the left side of the water trough 15 is provided with a one-way valve from the inner cavity of the water trough 15 to the inner cavity of the pressure tank 5, when the equipment works normally, the movable plate 12 moves leftward upon the impact on the one side of the pump chamber 4, so that the gas in the pressure gas chamber 11 moves toward one side of the piston rod 14 by being pressed by the movable plate 12, and the piston rod 14 is pushed toward one side, so that the water leaked when the water escape valve 9 is opened or closed can be moved into the pressure tank 5 through the water trough 15 under the pushing action of one side of the piston rod 14, therefore, tail water is recycled and participates in the pumping work of the hydraulic ram pump, the pumping efficiency of the hydraulic ram pump is further guaranteed, and a large amount of water resources are saved.

Wherein, the on-off valve 3, center valve 7 and sluicing valve 9 are the check valve, the on-off valve 3 is the check valve that switches on to pump chamber 4 by inlet tube 2, center valve 7 is the check valve that switches on to 5 inner chambers of overhead tank by pump chamber 4, sluicing valve 9 is the check valve that switches on to tail water cavity 8 by pump chamber 4, make according to check valve both sides rivers size, thereby make check valve automatic start and stop, water hammer pump ability normal work has been ensured, and open and close through the control inlet tube 2 of on-off valve 3 intake, avoided at the supplementary mechanism during operation of pumping up water, the phenomenon of backward flow from inlet tube 2 appears in pump chamber 4 water, thereby the secondary height of pumping up water of supplementary mechanism of pumping up water has been ensured.

The using method of the invention is as follows: the pump body 1 is arranged at a proper position, the water inlet pipe 2 is communicated with a water source, the opening and closing valve 3 is communicated with a water-requiring position, and the water source is ensured to be higher than the pump body 1;

auxiliary water pumping: after the installation of the water hammer pump is completed, the water hammer pump can normally work by opening the water inlet pipe 2, water at a water source flows into the pump cavity 4 through the water inlet pipe 2 and has certain energy under the action of potential energy and flow rate, after the pump cavity 4 is filled with the water, the water in the pump cavity 4 enables the water escape valve 9 to be closed, and under the action of instant closing of the water escape valve 9, the water in the pump cavity 4 impacts the pump cavity 4, so that the center valve 7 is opened, the liquid level in the pressure tank 5 is gradually increased, so that the water is upwards pumped up through the water pumping pipe 16 under the action of the water hammer, when the impact force of the water on the inner cavity of the pump cavity 4 is generated, the movable plate 12 overcomes the elastic force of the spring 13 to move leftwards when the pressure in the air cavity 6 is gradually increased, and the pressure in the water hammer pump is greater than the impact force of the water flow in the water inlet pipe 2, the movable plate 12 pushes the water in the pump, the opening and closing valve 3 is made to close the water inlet pipe 2, so that water moves into the pressure tank 5 through the central valve 7 and is pumped up through the water pumping pipe 16 again, and after the pressure in the water hammer pump is reduced, the opening and closing valve 3 is opened again under the action of water flow impact force, so that the water pump works repeatedly;

tail water recovery: when the water escape valve 9 is repeatedly opened and closed, the pump cavity 4 is filled with water, so that part of water is discharged into the tail water cavity 8 when the water escape valve 9 is closed, and when the water with certain energy impacts the movable plate 12, the movable plate 12 overcomes the elasticity of the spring 13 to move leftwards, so that the gas in the air compression cavity 11 moves upwards and pushes the piston rod 14 to move rightwards, so that the tail water in the tail water cavity 8 moves into the pressure tank 5 through the water through groove 15 under the pushing action of the piston rod 14, and when the movable plate 12 moves rightwards, the piston rod 14 automatically resets under the action of negative pressure in the air compression cavity 11, so that the tail water recovery mechanism repeatedly works along with the working state of the water hammer pump.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.