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Multi-stage water hammer protection system

A protection system, water hammer technology, applied in the direction of pipes/pipe joints/fittings, mechanical equipment, pipe components, etc., can solve the problems of imperfect water hammer protection measures, pipeline hazards, etc., to achieve low maintenance costs and reduce working pressure. , the effect of low work pressure

Pending Publication Date: 2021-08-10
JIANGSU UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0002] In the pressure pipeline, due to some external reasons (such as sudden closure of the valve, sudden stop of the pump unit), the flow rate of the water changes suddenly, and the water pressure increases, causing water hammer. This hydraulic phenomenon is called water hammer or water hammer. , which is very harmful to the pipeline. The current water hammer protection system is mostly adjusted manually. For the working conditions of high pressure and small space, the protection measures for water hammer are not perfect

Method used

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  • Multi-stage water hammer protection system

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Embodiment 1

[0025] Such as Figure 1 to Figure 3 As shown, the present invention includes a water inlet 1 and a water outlet 2, a pipeline 3 is connected between the water inlet 1 and the water outlet 2, and the pipeline 3 is sequentially provided with a water pump 4, a third pressure sensor 7, a pressure reducing Tower 12, the second electromagnetic ball valve 9, the second pressure sensor 6, the first electromagnetic ball valve 8 and the first pressure sensor 5, wherein the third pressure sensor 7 is installed on the pipeline near the water inlet 1, the first The pressure sensor 5 is installed on the pipeline near the water outlet 2 .

[0026] A branch pipeline is provided between the water pump 4 and the third pressure sensor 7, and a third electromagnetic ball valve 10 is arranged on the branch pipeline. , when the pipeline 3 is impacted by a large water hammer pressure and the first three levels of protection cannot complete the protection task, the controller 13 controls the openin...

Embodiment 2

[0033] Such as Figure 5 As shown, the working condition of this embodiment is the structure and operation state when the screw valve 41 is closed. In this embodiment, the water pump 4 in Embodiment 1 is replaced by the screw valve 41, and the other components remain unchanged.

[0034] Such as Figure 6 It is the operation process of this embodiment: when each component is working normally, the screw valve 41 is opened for operation, the first electromagnetic ball valve 8 and the second electromagnetic ball valve 9 are in the valve opening state, the third electromagnetic ball valve 10 is in the valve closing state, and each maintenance gate valve 11 is in the state of opening the valve, and other components are operating normally; when the screw valve 41 is closed, the first pressure sensor 5 senses a sudden increase in water pressure, and transmits the signal to the controller 13 through the signal line 14, and the controller 13 judges the pressure Whether it is greater th...

Embodiment 3

[0036] Such as Figure 7 As shown, the working condition of this embodiment is the structure and operation state under the simple pipeline working condition. In this embodiment, the water pump 4 in Embodiment 1 is removed, and other components remain unchanged.

[0037] Such as Figure 8 The operation process of this embodiment: when the components work normally, the water flow is smooth, the first electromagnetic ball valve 8 and the second electromagnetic ball valve 9 are in the valve opening state, the third electromagnetic ball valve 10 is in the valve closing state, and each maintenance gate valve 11 is in the valve opening state, The rest of the components operate normally; when the system stops suddenly for some reason, the first pressure sensor 5 senses a sudden increase in water pressure, and transmits the signal to the controller 13 through the signal line 14, and the controller 13 judges whether the pressure is greater than the weak point of the pipeline Run the al...

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Abstract

The invention discloses a multi-stage water hammer protection system which comprises a water inlet end and a water outlet end. A pipeline is connected between the water inlet end and the water outlet end, a plurality of inductors are installed on the pipeline, electromagnetic valves are arranged on the parts, between the adjacent inductors, of the pipeline, a branch pipeline, the inductors and a depressurization tower are sequentially arranged on the part, at one side of the water inlet end, of the pipeline, the branch pipeline is provided with an electromagnetic valve, and the inductors and the electromagnetic valves are connected with a controller. According to the multi-stage water hammer protection system, a multi-stage protection measure is adopted, the universality is higher, and therefore the multi-stage water hammer protection system is suitable for high-pressure extreme working conditions; by adopting the multi-stage protection measure, the working pressure of each component is reduced, so that the volume of each component is reduced, and the multi-stage water hammer protection system is more suitable for small-space working conditions; and by adopting multi-stage protection, the size and the working pressure of each component are reduced, the structure is simpler, the manufacturing cost is lower, the working pressure of each component is small, the operation and maintenance cost is lower, and good economic benefits are achieved.

Description

technical field [0001] The invention relates to a water hammer protection system, in particular to a multi-stage water hammer protection system. Background technique [0002] In the pressure pipeline, due to some external reasons (such as sudden closure of the valve, sudden stop of the pump unit), the flow rate of the water changes suddenly, and the water pressure increases, causing water hammer. This hydraulic phenomenon is called water hammer or water hammer. , which is very harmful to the pipeline. The current water hammer protection system is mostly adjusted manually. For the working conditions of high pressure and small space, the protection measures for water hammer are not perfect. Contents of the invention [0003] Purpose of the invention: The purpose of the invention is to provide a multi-stage water hammer protection system with simple structure and low manufacturing and maintenance costs. [0004] Technical solution: the present invention includes a water inle...

Claims

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Application Information

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IPC IPC(8): F16L55/02F16L55/04F16L55/055
CPCF16L55/045F16L55/055F16L55/02
Inventor 李秀窦培林杨豪杰容学苹赵世发施琦
Owner JIANGSU UNIV OF SCI & TECH
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