CN210315759U - Waterproof hammer arrangement structure with gravity flow function - Google Patents
Waterproof hammer arrangement structure with gravity flow function Download PDFInfo
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- CN210315759U CN210315759U CN201920802172.9U CN201920802172U CN210315759U CN 210315759 U CN210315759 U CN 210315759U CN 201920802172 U CN201920802172 U CN 201920802172U CN 210315759 U CN210315759 U CN 210315759U
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Abstract
The utility model provides a hold waterproof hammer arrangement structure of gravity function that flows automatically can switch gravity and flow or the water pump pressurization operating mode according to the water level of water intaking reservoir, alleviates the pump simultaneously and draws water behind the outage pump pipeline negative pressure, reduces the water hammer effect harm. The arrangement structure comprises a booster pump, a pump station communicating pipe, a main pipeline, a one-way stop valve, an adjusting communicating pipe, a pressure reducing valve, a water replenishing communicating pipe, a hydraulic control butterfly valve and an adjusting tank, wherein the main pipeline is provided with the one-way stop valve; one end of the regulating communicating pipe is connected with the regulating tank, and the other end of the regulating communicating pipe is connected with the main pipeline; one end of the pump station communicating pipe is connected with the regulating reservoir, and the other end of the pump station communicating pipe is connected with the main pipeline and is positioned at the downstream position of the one-way stop valve; the regulating communicating pipe is provided with a pressure reducing valve; the pump station is provided with the force (forcing) pump communicating pipe, and the pump station sets up moisturizing communicating pipe in the low reaches of force (forcing) pump communicating pipe, the equalizing basin is connected to moisturizing communicating pipe one end, and pump station communicating pipe is connected to the other end, and the pump station is provided with the liquid accuse butterfly valve communicating pipe.
Description
Technical Field
The patent of the utility model relates to a water hammer safeguard measure of water supply engineering, specifically speaking relate to a waterproof hammer arrangement structure of function flows automatically of holding concurrently gravity, is applicable to the great long distance of water intaking reservoir water level amplitude of fluctuation and presses water supply engineering.
Background
At present, long-distance water supply projects are more and more in China, the water level of a water intake reservoir of some project water supply projects has larger amplitude, a gravity-flow water delivery mode can be adopted when the water level of the reservoir is higher, but gravity-flow water delivery cannot be realized when the water level is lower, and for the water delivery projects, a common method is to supply water in a mode that an adjusting tank and a pump station are arranged in the middle of a circuit for pressurization. The arrangement needs a pressure reducing valve arranged in front of the regulating reservoir to ensure the water level of the regulating reservoir to be constant, and the system is operated and controlled in a mode of gravity-flow water supply in front of the regulating reservoir and water supply in a water pump pressurization mode behind the regulating reservoir.
The arrangement mode divides a complex water supply system into two relatively independent simple water supply systems, gravity-fed water is supplied in front of the regulating tank, water pumps are pressurized and supplied behind the regulating tank, the front system and the rear system are relatively independent, and respective hydraulic conditions are relatively simple. But the disadvantage is also obvious, and for the whole system, the energy consumption phenomenon of firstly reducing pressure and then supplying pressure water exists, which undoubtedly increases the operation and scheduling cost of the project. In addition, although the system is simpler after setting up the equalizing basin, still do not fine solution water pump outage back the serious water hammer problem that arouses: after the water pump pumps water and cuts off the power supply, the negative water hammer appears behind the pump to cause the internal pressure of the pipeline to be greatly reduced, so that an air tank or a one-way tower and the like are additionally arranged behind the pump to prevent the water hammer of the pipeline from being damaged.
SUMMERY OF THE UTILITY MODEL
The utility model relates to an in having overcome prior art, the pipeline negative pressure that water hammer arouses behind equalizing basin and the unable solution pump of water pump arrangement structure, and there is earlier energy dissipation in the operation process and then the pressurized power consumption scheduling problem, the water level that has proposed and can be according to the water intaking reservoir switches gravity and flows or the water pump pressurization operating mode, alleviate the water pump simultaneously and draw water outage behind the pump pipeline negative pressure one hold the waterproof hammer arrangement structure of gravity and flow function concurrently, solve the extravagant and water hammer problem behind the pump of the energy that meets among this type water supply system conscientiously, ensure water supply system safe and reliable operation, be the engineering construction service better.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a waterproof hammer arrangement structure with gravity flow function, including force (forcing) pump, pump station communicating pipe, trunk line, one-way stop valve, regulation communicating pipe, relief pressure valve, moisturizing communicating pipe, liquid accuse butterfly valve and equalizing basin, the trunk line sets up one-way stop valve; one end of the regulating communicating pipe is connected with the regulating tank, and the other end of the regulating communicating pipe is connected with the main pipeline and is positioned at the upstream position of the one-way stop valve; one end of the pump station communicating pipe is connected with the regulating reservoir, and the other end of the pump station communicating pipe is connected with the main pipeline and is positioned at the downstream position of the one-way stop valve; the regulating communicating pipe is provided with a pressure reducing valve; the pump station is provided with the force (forcing) pump communicating pipe, and the pump station sets up moisturizing communicating pipe in the low reaches of force (forcing) pump communicating pipe, the equalizing basin is connected to moisturizing communicating pipe one end, and pump station communicating pipe is connected to the other end, and the pump station is provided with the liquid accuse butterfly valve communicating pipe.
Preferably, the flow direction of the one-way stop valve is from upstream to downstream of the main pipeline.
Preferably, a control circuit of the hydraulic control butterfly valve is connected with a control circuit of the booster pump, and the hydraulic control butterfly valve is opened immediately when the booster pump loses power or stops, so that the water replenishing communicating pipe is communicated with the adjusting tank and the pump station communicating pipe.
Preferably, the pump station communicating pipe is provided with a check valve at the downstream of the booster pump, the check valve is positioned at the upstream of the joint of the water replenishing communicating pipe and the pump station communicating pipe, and the flowing direction of the check valve is one end of the main pipeline connected from the booster pump to the pump station communicating pipe.
Preferably, the diameter of the water replenishing communicating pipe is larger than or equal to that of the pump station communicating pipe.
Preferably, the water storage capacity of the regulating reservoir at the normal water storage level can meet the requirement that water in the regulating reservoir is supplemented into the pump station communicating pipe after the booster pump is powered off, and the condition that the regulating reservoir is not emptied within 30-60 s is maintained.
The utility model discloses provide a prevent water hammer arrangement structure operation control method of concurrently gravity function of flowing automatically simultaneously, the method includes:
when the upstream water level of the main pipeline is higher, the pressure reducing valve is automatically closed, water is supplied through the main pipeline, and gravity-fed water supply is realized;
when the upstream water level of the main pipeline is lower, gravity-fed water cannot be adopted, the check valve is automatically closed, the pressure reducing valve is opened to supplement water to the regulating reservoir, the pressure pump is opened, and water is supplied through the pump station communicating pipe;
when the booster pump loses power to cause serious water hammer, the hydraulic control butterfly valve is immediately started after receiving a signal, and the regulating reservoir supplies water to the pump station communicating pipe through the water supply communicating pipe to relieve negative pressure in the pump station communicating pipe;
when rivers flow backwards, rivers flow into the equalizing basin through the liquid accuse dish valve and carry out pressure release, and the check valve closes because hydraulic action is automatic, flows into the trunk line through the relief pressure valve when the equalizing basin water level reaches preset water level, reduces the biggest water hammer pressure.
Preferably, the method further comprises: when the booster pump loses power to cause serious water hammer, the check valve is controlled by hydraulic conditions and automatically opened to protect the booster pump.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a waterproof hammer arrangement structure adopts gravity flow to supply water when water intaking reservoir flood peak is higher often, adopts water pump pressurization to supply water when water intaking reservoir flood peak is lower, and the effectual water supply system that has solved compromises gravity and two kinds of operational modes of water pump pressurization water supply, and can switch between two kinds of operational modes according to upper reaches reservoir water level, has reduced the running energy consumption, has reduced the working costs. Meanwhile, the water hammer of the pipeline caused by the power failure of the water pump is improved practically under the action of the water replenishing communicating pipe and the hydraulic control butterfly valve, and the safe low-pressure operation of the pipeline is ensured.
Drawings
Fig. 1 is a schematic structural layout diagram of a waterproof hammer layout structure with gravity-flow function of the utility model.
Fig. 2 is a schematic view of the flow direction of water when the upstream water level is high.
Fig. 3 is a schematic view of the flow direction of water when the upstream water level is low.
Fig. 4 is a schematic view of the flow direction of the water before the reverse flow of the water is stopped when the upstream water level is low.
Fig. 5 is a schematic view of the flow direction of the water flow after the backflow of the water flow is stopped when the upstream water level is low.
The figure includes: 1. a pressure pump; 2. a pump station communicating pipe; 3. a main pipeline; 4. a one-way stop valve; 5. adjusting the communicating pipe; 6. a pressure reducing valve; 7. a check valve; 8. a water replenishing communicating pipe; 9. a hydraulic control butterfly valve; 10. and (4) a regulating reservoir.
Detailed Description
The invention is further described with reference to the accompanying drawings and the detailed description.
As shown in fig. 1, the embodiment of the utility model provides a hold concurrently waterproof hammer arrangement structure of gravity function that flows automatically, include force (forcing) pump 1, pump station communicating pipe 2, trunk line 3, one-way stop valve 4, adjust communicating pipe 5, relief pressure valve 6, check valve 7, moisturizing communicating pipe 8, liquid accuse butterfly valve 9 and equalizing basin 10.
The regulating reservoir 10 is arranged on one side of the main pipeline 3.
The main pipeline 3 is provided with a one-way stop valve 4. The flow direction of the one-way stop valve 4 is from the upstream to the downstream of the main pipeline 3. One end of the adjusting communicating pipe 5 is connected with the adjusting tank 10, and the other end of the adjusting communicating pipe is connected with the main pipeline and is positioned at the upstream position of the one-way stop valve 4. One end of the pump station communicating pipe 2 is connected with the regulating reservoir, and the other end is connected with the main pipeline and is positioned at the downstream position of the one-way stop valve 4. The regulating communicating pipe 5 is provided with a pressure reducing valve 6. Pump station communicating pipe 2 is provided with force (forcing) pump 1, and pump station communicating pipe 2 sets up moisturizing communicating pipe 8 in force (forcing) pump 1's low reaches, the equalizing basin is connected to 8 one ends of moisturizing communicating pipe, and pump station communicating pipe 2 is connected to the other end, and pump station communicating pipe 2 is provided with liquid accuse butterfly valve 9.
And a control circuit of the hydraulic control butterfly valve 9 is connected with a control circuit of the booster pump 1, and the hydraulic control butterfly valve 9 is opened immediately when the booster pump 1 is powered off or stops, so that the water replenishing communicating pipe 8 is communicated with the regulating reservoir 10 and the pump station communicating pipe 2.
Pump station communicating pipe 2 sets up check valve 7 in the low reaches of force (forcing) pump 1, check valve 7 is located the upstream of moisturizing communicating pipe 8 and pump station communicating pipe 2 junction, and the circulation direction of check valve 7 is force (forcing) pump 1 to the one end that trunk line 3 is connected to pump station communicating pipe 2.
The diameter of the water replenishing communicating pipe 8 is larger than or equal to that of the pump station communicating pipe 2.
The water storage capacity of the regulating reservoir 10 at the normal water storage level can meet the requirement that water in the regulating reservoir 10 is supplemented into the pump station communicating pipe 2 after the booster pump 1 is powered off, and the condition that the regulating reservoir 10 is not empty within 30-60 s is maintained.
The embodiment of the utility model provides a provide a waterproof hammer arrangement structure operation control method of concurrently gravity function simultaneously, the method includes:
as shown in fig. 2, when the water level at the upstream of the main pipe 3 is high, the pressure reducing valve 6 is automatically closed to supply water through the main pipe 3, so that gravity-fed water supply is realized.
As shown in figure 3, when the water level at the upper part of the main pipeline 3 is lower, gravity-fed water supply cannot be adopted, the check valve 4 is automatically closed, the reducing valve 6 is opened to supplement water to the regulating reservoir 10, the booster pump 1 is opened, and water is supplied through the pump station communicating pipe 2.
As shown in fig. 4, when the booster pump 1 loses power and causes severe water hammer, the hydraulic butterfly valve 9 is immediately opened after receiving a signal, the regulating reservoir 10 supplements water into the pump station communicating pipe 2 through the water supplementing communicating pipe 8, and the negative pressure in the pump station communicating pipe 2 is relieved; the check valve 7 is controlled by hydraulic conditions and automatically opened to protect the booster pump 1.
As shown in fig. 5, when the water flows backwards, the water flows into the regulating reservoir 10 through the hydraulic butterfly valve 9 for pressure release, the check valve 4 is automatically closed due to the hydraulic action, and if the water level of the regulating reservoir 10 reaches the preset water level, the water flows into the main pipeline 3 through the pressure reducing valve 6, so that the maximum water hammer pressure is reduced.
The utility model discloses a waterproof hammer arrangement structure adopts gravity flow to supply water when water intaking reservoir flood peak is higher often, adopts water pump pressurization to supply water when water intaking reservoir flood peak is lower, and the effectual water supply system that has solved compromises gravity and two kinds of operational modes of water pump pressurization water supply, and can switch between two kinds of operational modes according to upper reaches reservoir water level, has reduced the running energy consumption, has reduced the working costs.
The main reasons for the severe water hammer caused by the loss of power to the booster pump 1 are: after the booster pump 1 is powered off and stopped, the pump station communicating pipe 2 is subjected to severe vibration caused by large negative pressure due to extremely large pressure change behind the booster pump 1, and the structures of the booster pump 1 and the like are increased to cause destructive influence. Consequently, set up moisturizing communicating pipe 8 and liquid accuse butterfly valve 9, can lose when the electricity arouses serious water hammer at force (forcing) pump 1, liquid accuse butterfly valve 9 receives the signal and opens immediately, and equalizing basin 10 carries out the moisturizing through moisturizing communicating pipe 8 in to pump station communicating pipe 2, alleviates the negative pressure in pump station communicating pipe 2 to alleviate the water hammer effect. Meanwhile, the check valve 7 can be controlled by hydraulic conditions at the moment and automatically opened to protect the booster pump 1.
When water flows back, the water flows into the regulating reservoir 10 through the hydraulic control butterfly valve 9 to release pressure, the check valve 4 is automatically closed under the action of water power, and if the water level of the regulating reservoir 10 reaches a preset water level, the water flows into the main pipeline 3 through the pressure reducing valve 6, the maximum water hammer pressure is reduced, and therefore the influence of the water hammer is further reduced.
Claims (6)
1. A waterproof hammer arrangement structure with a gravity-flow function is characterized by comprising a booster pump (1), a pump station communicating pipe (2), a main pipeline (3), a one-way stop valve (4), an adjusting communicating pipe (5), a pressure reducing valve (6), a water replenishing communicating pipe (8), a hydraulic control butterfly valve (9) and an adjusting tank (10), wherein the main pipeline (3) is provided with the one-way stop valve (4); one end of the regulating communicating pipe (5) is connected with the regulating tank (10), and the other end of the regulating communicating pipe is connected with the main pipeline and is positioned at the upstream position of the one-way stop valve (4); one end of the pump station communicating pipe (2) is connected with the regulating reservoir, and the other end of the pump station communicating pipe is connected with the main pipeline and is positioned at the downstream position of the one-way stop valve (4); the regulating communicating pipe (5) is provided with a pressure reducing valve (6); pump station communicating pipe (2) are provided with force (forcing) pump (1), and pump station communicating pipe (2) set up moisturizing communicating pipe (8) in the low reaches of force (forcing) pump (1), the equalizing basin is connected to moisturizing communicating pipe (8) one end, and pump station communicating pipe (2) is connected to the other end, and pump station communicating pipe (2) are provided with liquid accuse butterfly valve (9).
2. The arrangement structure of the waterproof hammer with the gravity flow function as claimed in claim 1, wherein the flow direction of the one-way stop valve (4) is from upstream to downstream of the main pipeline (3).
3. The waterproof hammer arrangement structure with the gravity-flow function according to claim 1, wherein a control circuit of the hydraulic control butterfly valve (9) is connected with a control circuit of the booster pump (1), and the hydraulic control butterfly valve (9) is opened immediately when the booster pump (1) is powered off or stopped, so that the water replenishing communicating pipe (8) is communicated with the regulating reservoir (10) and the pump station communicating pipe (2).
4. The waterproof hammer arrangement structure with the gravity-flow function according to claim 1, is characterized in that a check valve (7) is arranged at the downstream of a pressure pump (1) of a pump station communicating pipe (2), the check valve (7) is located at the upstream of the joint of a water replenishing communicating pipe (8) and the pump station communicating pipe (2), and the flowing direction of the check valve (7) is the end, connected with a main pipeline (3), of the pressure pump (1) to the pump station communicating pipe (2).
5. The waterproof hammer arrangement structure with the gravity-flow function according to claim 1, wherein the diameter of the water replenishing communicating pipe (8) is larger than or equal to that of the pump station communicating pipe (2).
6. The waterproof hammer arrangement structure with the gravity-flow function according to claim 1, wherein the water storage capacity of the adjusting tank (10) at a normal water storage level can meet the requirement that water in the adjusting tank (10) is supplemented into the pump station communicating pipe (2) after the booster pump (1) is powered off, and the condition that the adjusting tank (10) does not leak within 30-60 s is maintained.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920802172.9U CN210315759U (en) | 2019-05-30 | 2019-05-30 | Waterproof hammer arrangement structure with gravity flow function |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920802172.9U CN210315759U (en) | 2019-05-30 | 2019-05-30 | Waterproof hammer arrangement structure with gravity flow function |
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| CN210315759U true CN210315759U (en) | 2020-04-14 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110158701A (en) * | 2019-05-30 | 2019-08-23 | 中国电建集团华东勘测设计研究院有限公司 | A kind of and flow by gravity function water hammer-resistant arragement construction and progress control method |
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2019
- 2019-05-30 CN CN201920802172.9U patent/CN210315759U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110158701A (en) * | 2019-05-30 | 2019-08-23 | 中国电建集团华东勘测设计研究院有限公司 | A kind of and flow by gravity function water hammer-resistant arragement construction and progress control method |
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