CN207073162U - Pipe valve combined system after a kind of high-lift booster station pump - Google Patents
Pipe valve combined system after a kind of high-lift booster station pump Download PDFInfo
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- CN207073162U CN207073162U CN201720968140.7U CN201720968140U CN207073162U CN 207073162 U CN207073162 U CN 207073162U CN 201720968140 U CN201720968140 U CN 201720968140U CN 207073162 U CN207073162 U CN 207073162U
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 150
- 238000005086 pumping Methods 0.000 claims abstract description 31
- 230000005540 biological transmission Effects 0.000 claims abstract description 24
- 230000002265 prevention Effects 0.000 claims abstract description 20
- 241000233855 Orchidaceae Species 0.000 claims abstract description 4
- 238000009826 distribution Methods 0.000 claims description 6
- 210000001503 Joints Anatomy 0.000 claims description 4
- 241000196324 Embryophyta Species 0.000 description 13
- 229910000831 Steel Inorganic materials 0.000 description 6
- 239000010959 steel Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 206010003830 Automatism Diseases 0.000 description 3
- 239000008400 supply water Substances 0.000 description 3
- 238000004364 calculation method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000001105 regulatory Effects 0.000 description 2
- 230000001052 transient Effects 0.000 description 2
- 238000009834 vaporization Methods 0.000 description 2
- 235000008124 Picea excelsa Nutrition 0.000 description 1
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
- 235000011613 Pinus brutia Nutrition 0.000 description 1
- 241000018646 Pinus brutia Species 0.000 description 1
- 244000003162 Pinus excelsa Species 0.000 description 1
- 235000008596 Pinus excelsa Nutrition 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000001066 destructive Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003657 drainage water Substances 0.000 description 1
- 238000005183 dynamical system Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000010977 unit operation Methods 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
Abstract
It the utility model is related to pipe valve combined system after a kind of high-lift booster station pump, structure is that water inlet manifold enters each water pump by the first electric gate valve and first pair of flange force transmission compensating joint installed on each point of water inlet pipe respectively, the outlet pipe of each water pump installs second pair of flange force transmission compensating joint successively, multifunctional water pump control valve, triple-double method orchid power transmission compensating joint, second electric gate valve enters outlet pipe, in second pair of flange force transmission compensating joint of each pumping line, an exit branch is drawn at place between multifunctional water pump control valve, and hand sluice valve is installed successively on exit branch, 4th pair of flange force transmission compensating joint and water hammer prevention valve, exit branch is connected to collecting-tank, the outlet pipe of each water pump is connected to outfall sewer.While the utility model improves water supply fraction, the loss of flood peak can be effectively reduced, reduces the generation of accident water hammer, it is ensured that water system is steadily safely and effectively run.
Description
Technical field
Pipe valve combined system after a kind of high-lift booster station pump is the utility model is related to, category water conservancy, Municipal Industry supply
Draining field, it can be applied to the outlet conduit system of pressurized bulk pumping plant.
Background technology
In long range, high-lift, big flow water supply project, core facility of the booster station as water system, its
Steady safe operation is particularly significant, cuts off the water once accident occurs, caused by loss will be huge.
Due to the drastically change of flow velocity in pressure pipeline, the waterpower punching for causing water flow in pipeline pressure to be drastically raised and lowered
Hit phenomenon and be referred to as water hammer or water hammer.Slow-speed of revolution centrifugal pump Water Hammer, which has, to be started water hammer, closes valve water hammer and termination of pumping water
Hammer.As long as starting water pump according to normal operation sequence, it is unlikely to cause the startup water hammer to damage, simply in blank pipe situation
Under, it can just aggravate the change of water flow pressure when air in tube can not in time be discharged and compressed.Valve water hammer is closed in normal operating
When will not also cause excessive water hammer pressure, and due to have a power failure suddenly or maloperation caused by pumping plant water caused by pumping accident
Often numerical value is larger for hammer, 1.5-4 times or bigger of general reachable normal pressure, destructive strong, often results in contingency.Therefore,
To the necessary serious analysis of Water Hammer, and calculated, to take necessary safeguard procedures.
In long range, high-lift water supply project, because water pump net lift is higher, to prevent pumping accident transient process
In, water pump reverses 1.2 times that rotating speed exceedes rated speed, while reason does not close the huge water hammer pressure liter of the too fast generation of valve again
It is high, it is necessary to which emphasis considers to eliminate water hammer pressure problem in pipe valve combination settings after booster station pump.
Water hammer pressure is reduced in a word, for reducing pipeline cost, improving unit operation condition, ensure safe operation and reliable
Supply water significant, it is therefore necessary to take pump-stopping water hammer necessary safeguard procedures.
The content of the invention
The purpose of this utility model prevents from producing huge water hammer pressure in pumping accident transient process to overcome, and carries
For pipe valve combined system after a kind of high-lift booster station pump, the utility model
Applied to it is high-lift supply water pressurization Boosting pumping station outlet conduit in, reach improve water supply fraction while, energy
The loss of flood peak is enough effectively reduced, reduces the generation of accident water hammer, it is ensured that water system is steadily safely and effectively run.The operation of pumping plant
System includes flushing system, production dynamical system and pipe-line system etc..
The utility model uses following technical scheme：
Pipe valve combined system after a kind of high-lift booster station pump, includes double flange force transmission compensating joints, multifunctional water
Pump control valve, electric gate valve, hand sluice valve, water hammer prevention valve, water inlet manifold respectively by installed on each point of water inlet pipe first
Electric gate valve and first pair of flange force transmission compensating joint enter each water pump, it is characterised in that：The outlet pipe of each water pump is installed successively
Second pair of flange force transmission compensating joint, multifunctional water pump control valve, triple-double method orchid power transmission compensating joint, the second electric gate valve enter
Enter outlet pipe, place draws one between second pair of flange force transmission compensating joint, multifunctional water pump control valve of each pumping line
Exit branch, and hand sluice valve, the 4th pair of flange force transmission compensating joint and water hammer prevention valve are installed successively on exit branch, go out
Water branch pipe is connected to collecting-tank, and the outlet pipe of each water pump is connected to outfall sewer.
The outlet pipe of each water pump and outfall sewer are in Y types or T-shaped distribution.
Because each exit of pump in pumping plant sets multifunctional water pump control valve, when water hammer occurs, can solve water pump
Reverse and water pump discharge pressure rise meet to require in allowed band, the hydraulic hammer calculation of pipeline.
Described multifunctional water pump control valve is made up of main valve and regulating valve and adapter, and structure is existing, and valve body uses
Single flow valve body, main valve control room are that diaphragm type or dual control chambers structure in the form of piston, control room increase than general hydraulic control valve
One is added, has added the control function to main valve, it is more to realize slow unlatching to exit of pump, standard-sized sheet, Slow Close, cut-off etc.
Function control, realize a valve, Primary regulation to the multi-functional control of exit of pump, have concurrently pump outlet motor-driven valve,
Three kinds of functions of check-valves and water-hammer arrester, have hydraulic automatism control, when opening pump delay open, termination of pumping when first close rear Slow Close soon, use
To prevent water pump from termination of pumping, forced outage or the water hammer that may occur when closing valve, pumping plant and pipe-line system fortune can be effectively improved
Capable security reliability.
The branch pipe of exit of pump is provided with water hammer prevention valve, water hammer prevention valve setting Opening pressure 100m water columns, calculated
As a result show：Do not considering a point water spot, 2 pump operations, highest net lift while pumping accident, pump discharge valve occurs by 17s/
90%-43s/10% two benches are closed, under conditions of being optimized to the position of air valve, number, pattern, and water pump maximum is fallen
Speed of walking around is 0.76 times of its rated speed, and maximum vent flow is 0.49 times of metered flow；The maximum of exit of pump main pipe
Water hammer pressure is 109.70m, and the extreme water hammer pressure in pipeline is 122.42m, is met《Code for design of pumping cstations》Defined " highest
1.3~1.5 times of exit of pump rated pressure are not to be exceeded in pressure " require；Occur in pipeline without pressure for vaporization；When pump discharge valve
The pressure put afterwards exceed setup pressure value water hammer prevention valve open, water hammer prevention valve open, its vent flow with the rise of pressure and
Increase, maximum vent flow reaches 0.764m3/s。
The outlet section of each water pump is DN800 or DN1000 penstock, goes out at pump house to set telescopic joint to adapt to pump house
Deformed caused by differential settlement.Four outlet pipes enter two recent DN1400, DN1200 at a specified future date masters in the distribution of two Y-shapeds
Water supply line, for ensure any one machine all can diversion to two water supply lines, two water supply lines be connected by two T-shape bifurcated pipes
Connect, be provided with telescopic joint and Electronic control butterfly valve by DN1400 pipe sides, DN1200 transitted to by reduced pipe, steel pipe end at a specified future date is adopted
Blocked with end socket, introduce a phase water supply line after recent outbound steel pipe incoming stream gauge well sets up one to touchdown point, long term is preferably changed
Bar conduit pipe, two pipeline communications, improve water supply fraction.
The beneficial effects of the utility model：(1) in the case where meeting the requirement of the basic water outlet of pumping plant, work is served to control corrosion rate
With；(2) while water supply fraction is improved, the generation of water supply water hammer is effectively reduced.(3) local head loss is reduced,
Energy saving in pumping station is played a key effect.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is outlet pipe distribution schematic diagram of the present utility model.
Embodiment
With reference to accompanying drawing, the utility model will be further described.
As shown in Figure 1 and Figure 2, the utility model includes double flange force transmission compensating joints 3, multifunctional water pump control valve 2, electricity
Dynamic gate valve 4, hand sluice valve 6, water hammer prevention valve 5, water inlet manifold the first electric gate valve 4 by being installed on each point of water inlet pipe respectively
Enter each water pump 1 with first pair of flange force transmission compensating joint 3, each water pump 1 is driven by a motor 7, it is characterised in that：Each water pump
1 outlet pipe installs second pair of flange force transmission compensating joint 3, multifunctional water pump control valve 2, triple-double method orchid power transmission compensation successively
Joint 3, the second electric gate valve 4 enter outlet pipe, second pair of flange force transmission compensating joint 3 in each outlet pipe of water pump 1, multi-functional
An exit branch is drawn at place between control valve for water pump 2, and installs hand sluice valve 6, the 4th pair of flange biography successively on exit branch
Force compensating joint 3 and water hammer prevention valve 5, exit branch are connected to collecting-tank, and the outlet pipe of each water pump is connected to outfall sewer.Respectively
The outlet pipe of water pump is distributed with outfall sewer in Y types.
Because each exit of pump in pumping plant sets multifunctional water pump control valve, when water hammer occurs, can solve water pump
Reverse and water pump discharge pressure rise meet to require in allowed band, the hydraulic hammer calculation of pipeline.
Described multifunctional water pump control valve is made up of main valve and regulating valve and adapter, and structure is existing, and valve body uses
Single flow valve body, main valve control room are that diaphragm type or dual control chambers structure in the form of piston, control room increase than general hydraulic control valve
One is added, has added the control function to main valve, it is more to realize slow unlatching to exit of pump, standard-sized sheet, Slow Close, cut-off etc.
Function control, realize a valve, Primary regulation to the multi-functional control of exit of pump, have concurrently pump outlet motor-driven valve,
Three kinds of functions of check-valves and water-hammer arrester, have hydraulic automatism control, when opening pump delay open, termination of pumping when first close rear Slow Close soon, use
To prevent water pump from termination of pumping, forced outage or the water hammer that may occur when closing valve, pumping plant and pipe-line system fortune can be effectively improved
Capable security reliability.
The branch pipe of exit of pump is provided with water hammer prevention valve, water hammer prevention valve setting Opening pressure 100m water columns, calculated
As a result show：Do not considering a point water spot, 2 pump operations, highest net lift while pumping accident, pump discharge valve occurs by 17s/
90%-43s/10% two benches are closed, under conditions of being optimized to the position of air valve, number, pattern, and water pump maximum is fallen
Speed of walking around is 0.76 times of its rated speed, and maximum vent flow is 0.49 times of metered flow；The maximum of exit of pump main pipe
Water hammer pressure is 109.70m, and the extreme water hammer pressure in pipeline is 122.42m, is met《Code for design of pumping cstations》Defined " highest
1.3~1.5 times of exit of pump rated pressure are not to be exceeded in pressure " require；Occur in pipeline without pressure for vaporization；When pump discharge valve
The pressure put afterwards exceed setup pressure value water hammer prevention valve open, water hammer prevention valve open, its vent flow with the rise of pressure and
Increase, maximum vent flow reaches 0.764m3/s。
The outlet section of each water pump is DN800 or DN1000 penstock, goes out at pump house to set telescopic joint to adapt to pump house
Deformed caused by differential settlement.Four outlet pipes enter two recent DN1400, DN1200 at a specified future date masters in the distribution of two Y-shapeds
Water supply line, for ensure any one machine all can diversion to two water supply lines, two water supply lines be connected by two T-shape bifurcated pipes
Connect, be provided with telescopic joint and Electronic control butterfly valve by DN1400 pipe sides, DN1200 transitted to by reduced pipe, steel pipe end at a specified future date is adopted
Blocked with end socket, introduce a phase water supply line after recent outbound steel pipe incoming stream gauge well sets up one to touchdown point, long term is preferably changed
Bar conduit pipe, two pipeline communications, improve water supply fraction.
As shown in figure 1, the safe operation of water pump and aqueduct is ensured to water pump and pipeline water-filling before water pump is started,
Start to open water pump after water-filling, pumping plant water inlet manifold is DN2800 water inlet pipe, from the reservoir of upstream 5000.Pass through DN1200 pumping plants
Water inlet pipe enters water pump, and the blue pine set power transmission compensation of multifunctional water pump control valve 2, triple-double method is passed sequentially through after water pump pressurizes and is connect
Pipe valve combined system enters outlet conduit after the pumps such as head, the second electric gate valve.Meanwhile a DN200 is separated after water pump and is gone out
Water branch pipe, hand sluice valve 6, the 4th pair of flange pine set power transmission compensating joint 3, water hammer prevention valve 5 are installed successively, after pump on branch pipe
When pressure exceedes water hammer prevention valve setup pressure value, water hammer prevention valve is opened, and aerial drainage water outlet flow to the collecting-tank of plant area.
Multifunctional water pump control valve has three kinds of pump outlet motor-driven valve, check-valves and water-hammer arrester functions concurrently, has
Hydraulic automatism control, when opening pump delay open, termination of pumping when first close rear Slow Close soon, to prevent water pump termination of pumping, forced outage or close valve
The water hammer that Shi Keneng occurs, the security reliability of pumping plant and pipe-line system operation can be effectively improved.
In pump discharge branch pipe, DN200 water hammers prevention valve is set, when the pressure put after pump discharge valve exceedes setup pressure value,
Water hammer prevention valve is opened, and its vent flow increases with the rise of pressure.
To reduce the pipeline loss of flood peak, outlet conduit enters total outlet pipe using combined type outside pumping plant in the distribution of Y types.Pump
Outlet section of standing is DN800 or DN1000 penstock, goes out at pump house and sets telescopic joint to cause to adapt to pump house differential settlement
Deformation.As shown in Fig. 2 five outlet pipes are divided into two recent DN1400, DN1200 at a specified future date main-supplies by three Y-shaped bifurcated pipes
Road, for ensure any one water pump all can diversion to two water supply lines, two water supply lines be connected, leaned on by two T-shape bifurcated pipes
DN1400 pipe sides are provided with telescopic joint and Electronic control butterfly valve, transit to DN1200 by reduced pipe, steel pipe end at a specified future date is using envelope
Head closure, a phase water supply line is introduced to touchdown point after outbound steel pipe incoming stream gauge well in the recent period, long term sets up an aqueduct
Road, two pipeline communications, improve water supply fraction.
Bifurcated pipe angle of turn uses armored concrete anchor block using 60 ° of smooth angles in pipeline intersection, it is ensured that pipeline is pacified
Row for the national games.
Claims (2)
1. pipe valve combined system after a kind of high-lift booster station pump, includes double flange force transmission compensating joints, multifunctional water pump
Control valve, electric gate valve, hand sluice valve, water hammer prevention valve, water inlet manifold are electric by installed on each point of water inlet pipe first respectively
Dynamic gate valve and first pair of flange force transmission compensating joint enter each water pump, it is characterised in that：The outlet pipe of each water pump installs successively
Two pairs of flange force transmission compensating joints, multifunctional water pump control valve, triple-double method orchid power transmission compensating joint, the second electric gate valve enter
Outlet pipe, place draws one to go out between second pair of flange force transmission compensating joint, multifunctional water pump control valve of each pumping line
Water branch pipe, and hand sluice valve, the 4th pair of flange force transmission compensating joint and water hammer prevention valve, water outlet are installed successively on exit branch
Branch pipe is connected to collecting-tank, and the outlet pipe of each water pump is connected to outfall sewer.
2. pipe valve combined system after high-lift booster station pump according to claim 1, it is characterised in that：Each water pump
Outlet pipe and outfall sewer are in Y types or T-shaped distribution.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720968140.7U CN207073162U (en) | 2017-08-04 | 2017-08-04 | Pipe valve combined system after a kind of high-lift booster station pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720968140.7U CN207073162U (en) | 2017-08-04 | 2017-08-04 | Pipe valve combined system after a kind of high-lift booster station pump |
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| Publication Number | Publication Date |
|---|---|
| CN207073162U true CN207073162U (en) | 2018-03-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720968140.7U Active CN207073162U (en) | 2017-08-04 | 2017-08-04 | Pipe valve combined system after a kind of high-lift booster station pump |
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| CN (1) | CN207073162U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109885013A (en) * | 2019-03-31 | 2019-06-14 | 赵玉丹 | Pumping station system method of controlling security, device and pumping station system for hydraulic engineering |
-
2017
- 2017-08-04 CN CN201720968140.7U patent/CN207073162U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109885013A (en) * | 2019-03-31 | 2019-06-14 | 赵玉丹 | Pumping station system method of controlling security, device and pumping station system for hydraulic engineering |
| CN109885013B (en) * | 2019-03-31 | 2021-12-14 | 赵玉丹 | Pump station system safety control method and device for hydraulic engineering and pump station system |
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