CN205557691U - Integration pump station outlet pipe water hammer auto -inhibition ware - Google Patents

Integration pump station outlet pipe water hammer auto -inhibition ware Download PDF

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Publication number
CN205557691U
CN205557691U CN201620385196.5U CN201620385196U CN205557691U CN 205557691 U CN205557691 U CN 205557691U CN 201620385196 U CN201620385196 U CN 201620385196U CN 205557691 U CN205557691 U CN 205557691U
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China
Prior art keywords
water
outlet
hammer
outlet pipe
water inlet
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CN201620385196.5U
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Chinese (zh)
Inventor
孙先法
贾军波
张勇
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Ebara Machinery China Co Ltd
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Ebara Machinery China Co Ltd
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Abstract

The utility model relates to an integration pump station outlet pipe water hammer auto -inhibition ware belongs to pump station outlet pipe way water hammer protection technical field. Including the outlet pipe way, outlet pipe way one end is the water inlet, and the other end is the delivery port, and the water inlet is connected with the water pump, and the delivery port is connected with water supply pipe, and it has a water check valve and go out the sluice valve to establish ties on the outlet pipe way between water inlet and delivery port, goes out the sluice valve and is close to the delivery port goes out the water check valve and is close to the water inlet, still include with the outlet pipe parallelly connected by -pass line in way, the delivery port is connected to by -pass line's one end, water inlet, last waterproof hammer pneumatic valve and the waterproof hammer check valve that is equipped with mutual series connection of by -pass line are connected to the other end. The utility model discloses simple structure is compact, and area is little, and low in manufacturing cost is stronger to the adaptability of the water yield, can effectively prevent the impact of adverse current water hammer to outlet pipe check valve valve clack, pipeline and welding seam on the road.

Description

A kind of integrated pump station automatic suppressor of outlet pipe water hammer
Technical field
This utility model relates to a kind of integrated pump station automatic suppressor of outlet pipe water hammer, belongs to pumping plant water outlet Pipeline protecting water hammer technical field.
Background technology
Water hammer is also known as water attack, in liquid delivery process, due to valve be turned on and off suddenly, water pump unexpected Stopping, suddenly opening and closing the reasons such as stator, make flow velocity that change suddenly to occur, pressure produces significantly ripple simultaneously Dynamic phenomenon.
Existing integrated pump station pumping line uses check-valves prevent water hammer or use compressed air cylinder Carry out water hammer energy dissipating process, also have and use water pump to coordinate the method that VFC reduces water hammer, this side Although method has certain effect to water hammer effect, but it is high to be to increase VFC cost, may result in one Change outfit of equipment cost high;Pipe line check valve is individually used to prevent water hammer, when outlet pipe static pressure is bigger Time, the powerful impulsive force of water hammer acts on pipe line check valve flap and pipe side wall completely, water repeatedly Hammer repeated stock, the serious service life reducing check-valves, simultaneously impulsive force also can to the sidewall of pipeline, Weld seam damages, and affects the biggest on the service life of pipeline;And individually use compressed air cylinder to carry out The energy dissipating of water hammer processes, because the limited volume of compressed air reservoir, causes compressed air cylinder adjustable Limited in one's ability, therefore can only bear the less water yield, during for the impact of water hammer of bigger water yield formation, Cannot meet, when using diaphragm air pressure tank to carry out water hammer suppression, need to increase a set of diaphragm air pressure tank simultaneously, Floor space is bigger, during especially for big yield system, in order to increase regulating power, and barrier film air pressure Tank needs dischargeable capacity very, thus needs the biggest floor space and cost of manufacture, for integration This intensive style of pumping plant, modularity, the equipment of limited volume are not suitable for.
Utility model content
The deficiency that this utility model exists for prior art, it is provided that a kind of compact conformation, the one of low cost The body pumping plant automatic suppressor of outlet pipe water hammer, it is effectively prevented adverse current by the pressure release of bypass line The water hammer impact to check-valves flap, pipeline and the weld seam of outlet pipeline.
The technical scheme that this utility model solves above-mentioned technical problem is as follows: integrated pump station outlet pipe water hammer Automatically suppressor, including outlet pipeline, described outlet pipeline one end is water inlet, and the other end is outlet, Described water inlet is connected with water pump, and described outlet is connected with water supply line, it is characterised in that described It is serially connected with out Water Check Valve and for adjusting water outlet on described outlet pipeline between water inlet and outlet Piping flow go out Water gate valve, described in go out Water gate valve near described outlet, described in go out Water Check Valve close Described water inlet, also includes the bypass line in parallel with described outlet pipeline, one end of described bypass line Connecting described outlet, the other end connects described water inlet, and described bypass line is provided with mutual concatenation Water hammer-resistant pneumatic operated valve and water hammer-resistant check-valves, described water hammer-resistant check-valves is positioned close to described water inlet position Putting, described water hammer-resistant pneumatic operated valve is positioned close to described outlet position.
One end of described bypass line be connected to described outlet and go out between Water gate valve outlet pipeline on, The other end is connected with the outlet pipeline gone out between Water Check Valve with described water inlet.
Further, the fluid circulating direction going out Water Check Valve described in flows to institute with current from described water inlet State outlet direction consistent.Go out Water Check Valve and ensure that the flow direction of water in outlet pipeline, it is to avoid adverse current occurs The phenomenon of water backflow.
Further, the fluid circulating direction of described water hammer-resistant check-valves and current flow to water from supply channel Pump direction is consistent.Water hammer-resistant check-valves coordinates water hammer-resistant pneumatic operated valve to realize being formed the backflow of the counter-flow water of water hammer Purpose, entered in supply channel by outlet pipeline at water pump normal operation current simultaneously and avoid Current enter bypass line.
When water pump shuts down, due to outlet pipeline decompression, outlet aqueous reflux, going out on outlet pipeline Water Check Valve is closed, and the moment that water pump stops, the water hammer-resistant pneumatic operated valve on bypass line is under hydraulic pressure effect Moment opens, the counter-flow water that water pump termination of pumping is formed, will be by being provided with the bypass line of water hammer-resistant pneumatic operated valve Carrying out pressure release, water is back in pumping plant pond by bypass line, will not be to outlet conduit and outlet conduit The interior Water Check Valve that goes out causes water hammer, and after water hammer to be canceled, the water hammer-resistant pneumatic operated valve of bypass line closes automatically Close, wait the next start-stop cycle of water pump.
The beneficial effects of the utility model are: be additionally arranged the bypass line with water hammer-resistant pneumatic operated valve valve, Form the moment of water hammer in water pump stall, counter-flow water no longer acts directly on out on the flap of Water Check Valve, But inside by the pneumatic operated valve reverse backflow of bypass line to pumping plant, with the bypass of water hammer-resistant pneumatic operated valve Pipeline is by counter-flow water pressure release, it is to avoid the generation of water hammer, after water hammer to be canceled, and the valve of water hammer-resistant pneumatic operated valve Door is automatically switched off, for the system that discharge is bigger, and can be by increasing the pipeline opening of water hammer suppressor Footpath, adapts to big yield system, and this uses diaphragm air pressure tank suppression water hammer to meet, permissible On the premise of a small amount of increase cost, minimizing water hammer is to valve and the impact of pipeline, when any flow all The effect of water hammer suppression can be played.In a word, this utility model is simple and compact for structure, and floor space is little, system Make low cost, higher to the adaptability of the water yield, can effectively prevent adverse current water hammer to the non-return on outlet pipeline The impact of valve flap, pipeline and weld seam.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
In figure, 1, outlet pipeline;2, water inlet;3, outlet;4, Water Check Valve is gone out;5, go out Water gate valve;6, bypass line;7, water hammer-resistant pneumatic operated valve;8, water hammer-resistant check-valves.
Detailed description of the invention
Being described principle of the present utility model and feature below in conjunction with example, example is served only for solving Release this utility model, be not intended to limit scope of the present utility model.
As it is shown in figure 1, a kind of integrated pump station automatic suppressor of outlet pipe water hammer, including outlet pipeline 1, Described outlet pipeline 1 one end is water inlet 2, and the other end is outlet 3, described water inlet 2 and water pump Connecting, described outlet 3 is connected with water supply line, goes out described between described water inlet and outlet It is in series with out Water Check Valve 4 in water lines and goes out Water gate valve 5 for adjusting water outlet piping flow, described Go out Water gate valve 5 near described outlet 3, described in go out Water Check Valve 4 near described water inlet 2, also wrap Include the bypass line 6 in parallel with described outlet pipeline, outlet described in one end of described bypass line 6, The other end connect described water inlet, described bypass line be provided with the water hammer-resistant pneumatic operated valve 7 being serially connected and Water hammer-resistant check-valves 8, described water hammer-resistant check-valves 8 is positioned close to described water inlet position, described anti- Water hammer pneumatic operated valve 7 is positioned close to described outlet position.
Bypass line one end be connected to described outlet and go out between Water gate valve outlet pipeline on, the other end It is connected with the outlet pipeline gone out between Water Check Valve with described water inlet.
Described go out Water Check Valve fluid circulating direction and current flow to described outlet from described water inlet Direction is consistent.Go out Water Check Valve and ensure that the flow direction of water in outlet pipeline, it is to avoid occur what counter-flow water refluxed Phenomenon.
The fluid circulating direction of described water hammer-resistant check-valves and current flow to water pump direction one from supply channel Cause.Water hammer-resistant check-valves coordinates water hammer-resistant pneumatic operated valve to realize being formed the purpose of the backflow of the counter-flow water of water hammer, Entered into by outlet pipeline at water pump normal operation current avoids water to flow to simultaneously in supply channel Enter bypass line.
When water pump shuts down, due to outlet pipeline decompression, outlet aqueous reflux, going out on outlet pipeline Water Check Valve is closed, and the moment that water pump stops, the water hammer-resistant pneumatic operated valve on bypass line is under hydraulic pressure effect Moment opens, the counter-flow water that water pump termination of pumping is formed, will be by being provided with the bypass line of water hammer-resistant pneumatic operated valve Carrying out pressure release, water is back in pumping plant pond by bypass line, will not be to outlet conduit and outlet conduit The interior Water Check Valve that goes out causes water hammer, and after water hammer to be canceled, the water hammer-resistant pneumatic operated valve of bypass line closes automatically Close, wait the next start-stop cycle of water pump.
The foregoing is only preferred embodiment of the present utility model, not in order to limit this utility model, all Within spirit of the present utility model and principle, any modification, equivalent substitution and improvement etc. made, all Within protection domain of the present utility model should be included in.

Claims (3)

1. the automatic suppressor of integrated pump station outlet pipe water hammer, including outlet pipeline, described water outlet Pipeline one end is water inlet, and the other end is outlet, and described water inlet is connected with water pump, described outlet It is connected with water supply line, it is characterised in that the described outlet pipeline between described water inlet and outlet On be serially connected with out Water Check Valve and go out Water gate valve for adjusting water outlet piping flow, described in go out Water gate valve and lean on Nearly described outlet, described in go out Water Check Valve near described water inlet, also include with described outlet pipeline also The bypass line of connection, one end of described bypass line connects described outlet, and the other end connects described water inlet Mouthful, described bypass line is provided with water hammer-resistant pneumatic operated valve and the water hammer-resistant check-valves of mutually concatenation, described anti- Water hammer check-valves is positioned close to described water inlet position, and described water hammer-resistant pneumatic operated valve is positioned close to described Outlet position.
The integrated pump station automatic suppressor of outlet pipe water hammer the most according to claim 1, its feature Be, described in go out the fluid circulating direction of Water Check Valve and flow to described outlet with current from described water inlet Direction is consistent.
The integrated pump station automatic suppressor of outlet pipe water hammer the most according to claim 1 and 2, its Being characterised by, the fluid circulating direction of described water hammer-resistant check-valves and current flow to water pump side from supply channel To unanimously.
CN201620385196.5U 2016-04-29 2016-04-29 Integration pump station outlet pipe water hammer auto -inhibition ware Active CN205557691U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201620385196.5U CN205557691U (en) 2016-04-29 2016-04-29 Integration pump station outlet pipe water hammer auto -inhibition ware

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106813103A (en) * 2017-01-22 2017-06-09 中国海洋石油总公司 A kind of process and device for preventing water attack for LNG pipelines
CN106838383A (en) * 2017-01-19 2017-06-13 陈银周 The reverse pressure release type of one master-slave type is noiseless check-valves
CN110440088A (en) * 2019-08-13 2019-11-12 温州盖一机械有限公司 A kind of sewage treatment water hammer-resistant pressure equaliser
CN112483478A (en) * 2020-11-13 2021-03-12 西安航天动力试验技术研究所 Medium jet pressurizing supply device and manufacturing method
CN113531266A (en) * 2021-09-15 2021-10-22 启东市宏南冶金机械有限公司 Hydraulic pipe with automatic buffering subassembly
CN115355650A (en) * 2022-07-29 2022-11-18 中国水利水电科学研究院 Power plant circulating cooling water hammer prevention system and method and design method

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106838383A (en) * 2017-01-19 2017-06-13 陈银周 The reverse pressure release type of one master-slave type is noiseless check-valves
CN106813103A (en) * 2017-01-22 2017-06-09 中国海洋石油总公司 A kind of process and device for preventing water attack for LNG pipelines
CN106813103B (en) * 2017-01-22 2018-08-24 中国海洋石油集团有限公司 A kind of process and device preventing water attack for LNG pipelines
CN110440088A (en) * 2019-08-13 2019-11-12 温州盖一机械有限公司 A kind of sewage treatment water hammer-resistant pressure equaliser
CN110440088B (en) * 2019-08-13 2020-12-01 焦东升 Sewage treatment is with waterproof hammer pressure equaliser
CN112483478A (en) * 2020-11-13 2021-03-12 西安航天动力试验技术研究所 Medium jet pressurizing supply device and manufacturing method
CN113531266A (en) * 2021-09-15 2021-10-22 启东市宏南冶金机械有限公司 Hydraulic pipe with automatic buffering subassembly
CN113531266B (en) * 2021-09-15 2021-11-16 启东市宏南冶金机械有限公司 Hydraulic pipe with automatic buffering subassembly
CN115355650A (en) * 2022-07-29 2022-11-18 中国水利水电科学研究院 Power plant circulating cooling water hammer prevention system and method and design method

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