CN210876611U - Pulse generating device for pipeline flushing - Google Patents
Pulse generating device for pipeline flushing Download PDFInfo
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- CN210876611U CN210876611U CN201921620574.3U CN201921620574U CN210876611U CN 210876611 U CN210876611 U CN 210876611U CN 201921620574 U CN201921620574 U CN 201921620574U CN 210876611 U CN210876611 U CN 210876611U
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- pipeline
- control valve
- pneumatic control
- flow
- pressure
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Abstract
The utility model belongs to the technical field of water supply pipeline flushing equipment, and discloses a pulse generating device for flushing a pipeline, which comprises a pipeline, a flow sensor, a pressure sensor, a manual control valve and a pneumatic control mechanism; the pneumatic control mechanism controls the opening and closing of the pipeline through pneumatic control, the manual control valve realizes the opening and closing of the pipeline through manual operation, the manual control valve is in a normally open state, the flow sensor is used for measuring the air flow passing through the pipeline, and the pressure sensor is used for measuring the pressure in the pipeline. This pulse generator can realize the control to pipeline pressure and flow, realizes better impact and vibration, reaches the washing effect of better water supply network, and intraductal pressure produces compression and expansion in turn, and the change of velocity of flow further influences intraductal pressure, has increased the inertial force of fluid to the pipe wall to make pipeline wash more thoroughly.
Description
Technical Field
The utility model relates to a water supply pipe flushing device technical field, concretely relates to pulse generator for pipeline washes.
Background
After the new water supply network is qualified in a hydrostatic test, before the new water supply network is connected to the power grid, washing and disinfecting are carried out; the water supply pipeline in service operation is flushed regularly or according to needs, and can be continuously put into use after the turbidity reaches the standard after inspection, so that the water quality in the pipeline network meets the sanitary standard of drinking water.
The water supply pipeline is mainly flushed by adopting an air-water flushing technology, air-liquid two-phase flow in the pipeline runs in a bubble flow pattern in intermittent flow, and obvious vibration and water hammer phenomena occur in the pipeline, so that a growth ring on the inner wall of the pipeline falls off. The gas pulse is added into the pipeline to cause the flow velocity and pressure fluctuation in the pipeline, the compressibility of the gas in the pipeline aggravates the fluctuation, transient flow in the pipeline is formed, and water hammer is caused, so that the pipeline is cleaned more thoroughly.
In the prior art, a pulse generator for flushing a pipeline is not provided, and the compressor is only used for intermittently inflating and pressurizing, so that the realized pulse effect is poor, and the pressure flow is not easy to control.
Therefore, there is a need in the art for a pulser device for flushing a conduit that addresses the above-mentioned problems.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems that the pulse generator for pipeline flushing is not available in the prior art, the compressor is only used for intermittently inflating and pressurizing, the realized pulse effect is poor, and the pressure and the flow are difficult to control, the utility model provides a pulse generator for pipeline flushing, which comprises a pipeline, a flow sensor, a pressure sensor, a manual control valve and a pneumatic control mechanism; the pneumatic control mechanism controls the opening and closing of the pipeline through pneumatic control, the manual control valve realizes the opening and closing of the pipeline through manual operation, the manual control valve is in a normally open state when in a use state, the flow sensor is used for measuring the air flow passing through the pipeline, and the pressure sensor is used for measuring the pressure in the pipeline.
In the above preferred technical solution of the pulse generator for pipeline flushing, the pneumatic control mechanism includes a pneumatic control valve, an electromagnetic valve and an air filter, an execution unit of the pneumatic control valve is controlled by compressed air, and the compressed air passes through the air filter, passes through the electromagnetic valve, and then enters a control air path of the air hole control valve.
In the above preferred technical solution of the pulse generator for pipeline flushing, the flow sensor is a vortex flow sensor, and the flow data is fed back to the pulse controller.
In the above preferred technical solution of the pulse generating device for pipeline flushing, the manual control valve is a ball valve.
In the above preferred technical solution of the pulse generator for flushing a pipe, the pulse generator further includes a fixing frame, and the pipe is fixed on the fixing frame by a fixing clip.
In the above preferred technical scheme of the pulse generator for pipeline flushing, the pulse generator further comprises a roller mechanism, the roller mechanism is arranged at the bottom of the fixing frame, and the pulse generator is easy to move through the roller mechanism.
In the above preferred technical solution of the pulse generator for pipeline flushing, the pulse generator further includes a box body, the box body is mounted on the fixing frame, and the box body covers the pneumatic control mechanism and the manual control valve, so as to prevent the pipelines of the pneumatic control mechanism and the flow sensor from being entangled with other devices.
In the above preferred technical scheme of the pulse generator for pipeline flushing, the pressure sensor is connected with one end of the hose, the other end of the hose is connected with the pipeline, and the pressure sensor is arranged inside the box body.
The technical scheme that is preferred for pulse generator that pipeline washed in the utility model, through the combination of the sensor of pressure sensor and flow, this pulse generator can realize the control to pipeline pressure and flow, realize better impact and vibration, reach the better washing effect of water supply network, intraductal pressure produces compression and expansion in turn, act on intraductal velocity of flow, the intraductal pressure of further influence again of change of velocity of flow, pressure-speed intercoupling has aggravated undulant. The increase of the fluctuation increases the inertial shear stress of the fluid on the pipe wall, thereby ensuring that the pipeline is cleaned more thoroughly.
Drawings
Preferred embodiments of the present invention are described below with reference to the accompanying drawings, in which:
fig. 1 is an overall schematic view of an embodiment of the pulse generator for pipeline flushing according to the present invention;
fig. 2 is a schematic structural diagram of an embodiment of the pulse generator for pipeline flushing according to the present invention;
reference numerals: 1. a pipeline; 2. a pneumatic control mechanism; 21. a pneumatic control valve; 211. an execution component; 22. an air filter; 23. an electromagnetic valve; 3. a flow sensor; 4. a manual control valve; 5. a pressure sensor connection tube; 6. a hose; 7. fixing the card; 8. a fixed mount; 9. a roller mechanism; 10. and (4) a box body.
Detailed Description
The present invention is described in terms of specific embodiments, and other advantages and benefits of the present invention will become apparent to those skilled in the art from the following disclosure. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
It should be noted that in the description of the present invention, the terms "in", "upper", "lower", "inner", etc. indicate directions or positional relationships based on those shown in the drawings, which are merely for convenience of description, and do not indicate or imply that the devices or elements must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Furthermore, it should be noted that, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may include, for example, a fixed connection, a detachable connection, or an integral connection; may be a mechanical connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Based on the pulse generator that is not used for the pipeline to wash among the prior art that the background art pointed out, only aerify the pressurization through the compressor is interrupted, the pulse effect of realization is poor, the problem that pressure, flow are difficult to control, the utility model discloses a pulse generator for pipeline is washed, through the combination of the sensor of pressure sensor and flow, this pulse generator can realize the control to pipeline pressure and flow, realizes better impact and vibration, reaches the washing effect of better water supply network, and intraductal pressure produces compression and expansion in turn, acts on intraductal velocity of flow, and the change of velocity of flow further influences intraductal pressure again, and pressure-speed intercoupling has aggravated undulant. The increase of the fluctuation increases the inertial shear stress of the fluid on the pipe wall, thereby ensuring that the pipeline is cleaned more thoroughly.
Specifically, as shown in fig. 1 and 2, the utility model provides a pulse generator for flushing a pipeline 1, which comprises a pipeline 1, a flow sensor 3, a pressure sensor (not shown in the figure), a manual control valve 4 and a pneumatic control mechanism 2; the pneumatic control mechanism 2, the flow sensor 3, the manual control valve 4 and the pressure sensor are sequentially arranged between an inlet and an outlet on the pipeline 1, the pneumatic control mechanism 2 controls the opening and closing of the pipeline 1 through pneumatic control, the manual control valve 4 realizes the opening and closing of the pipeline 1 through manual operation, when the pipeline is in a use state, the manual control valve 4 is in a normally open state, the flow sensor 3 is used for measuring the air flow passing through the pipeline 1, and the pressure sensor is used for measuring the pressure in the pipeline 1. The utility model discloses in, pressure sensor, flow sensor 3 are prior art, and this paper is no longer repeated. The manual control valve 4 can be a ball valve or a butterfly valve, and the change of the type of the manual control valve 4 by those skilled in the art should be limited within the protection scope of the present invention.
The utility model discloses a pulse effect is through making pneumatic control mechanism 2 switch in the twinkling of an eye according to the controller, admits air in the twinkling of an eye and the pulse effect who produces.
Preferably, as shown in fig. 2, the pneumatic control mechanism 2 includes a pneumatic control valve 21, an electromagnetic valve 23 and an air filter 22, the actuating component 211 of the pneumatic control valve 21 is pneumatically controlled, compressed air passes through the air filter 22, then passes through the electromagnetic valve 23, and then enters a control air path of the air vent control valve, and the on-off of the compressed air path is controlled by the electromagnetic valve 23, so as to open and close the pneumatic control valve 21. The compressed air is generated by a compressor, the air filter 22 is in the prior art, and the air filter 22 is used for filtering out dust and impurities in the compressed air and preventing the dust and impurities from blocking an air path of the air hole control valve and influencing the normal operation of the pneumatic control valve 21.
Preferably, the flow sensor 3 is a vortex street flow sensor, which feeds back flow data to the pulse controller, and the vortex street flow sensor is in the prior art, and has the advantages of simple structure, wide measurement range, reliable use, long service life and the like.
Preferably, the manual control valve 4 is a ball valve which can be opened and closed quickly, has no impact in operation, can realize complete sealing and has good sealing performance.
Preferably, as shown in fig. 2, the pulse generating device further comprises a fixing frame 8, and the pipeline 1 is fixed on the fixing frame 8. Mount 8 is used for fixed pipeline 1, and pipeline 1's both ends are fixed through fixing clip 7, and fixing clip 7 is installed on mount 8, and mount 8's structure can be plate-like or frame rack structure, also can be other structural style, and the change of the structure of field technician to mount 8 all should restrict the utility model discloses an within the scope of protection.
Preferably, as shown in fig. 1 and 2, the pulse generator further comprises a roller mechanism 9, the roller mechanism 9 is disposed at the bottom of the fixing frame 8, the roller mechanism 9 comprises a double row of four wheels, and the pulse generator is easy to move through the roller mechanism 9.
Preferably, as shown in fig. 1, the pulse generator further includes a box 10, the box 10 is a box structure, the box 10 is mounted on the fixing frame 8, and the box 10 covers the pneumatic control mechanism 2 and the manual control valve 4, so as to prevent the pipelines of the pneumatic control mechanism 2 and the flow sensor 3 from being entangled with other devices, and the box 10 can also play a role of dust prevention.
Preferably, as shown in fig. 2, the pressure sensor connection pipe 5 is connected to one end of the hose 6, the other end of the hose 6 is connected to the pipe 1, and the pressure sensor is disposed inside the case 10.
So far, the technical solution of the present invention has been described with reference to the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of the present invention is obviously not limited to these specific embodiments. Without departing from the principle of the present invention, a person skilled in the art can make equivalent changes or substitutions to the related technical features, and the technical solutions after these changes or substitutions will fall within the protection scope of the present invention.
Claims (8)
1. A pulse generating device for pipeline flushing is characterized by comprising a pipeline, a flow sensor, a pressure sensor, a manual control valve and a pneumatic control mechanism;
the pneumatic control mechanism controls the opening and closing of the pipeline through pneumatic control, the manual control valve realizes the opening and closing of the pipeline through manual operation, the manual control valve is in a normally open state when in a use state, the flow sensor is used for measuring the air flow passing through the pipeline, and the pressure sensor is used for measuring the pressure in the pipeline.
2. The pulse generating device for pipeline flushing according to claim 1, wherein the pneumatic control mechanism comprises a pneumatic control valve, a solenoid valve and an air filter, the actuating unit of the pneumatic control valve is controlled by compressed air, and the compressed air passes through the air filter, passes through the solenoid valve and then enters the control air path of the air hole control valve.
3. The pulse generating device for pipeline flushing according to claim 1, wherein the flow sensor is a vortex street flow sensor, and the flow data is fed back to the pulse controller.
4. A pulse generating device for pipeline flushing according to claim 1, characterised in that the manual control valve is a ball valve.
5. The pulse generating device for flushing pipes of claim 1, further comprising a fixing frame, wherein the pipe is fixed on the fixing frame by a fixing clip.
6. The pulse generator for pipeline flushing according to claim 1, wherein the pulse generator further comprises a roller mechanism, the roller mechanism is disposed at the bottom of the fixing frame, and the pulse generator is easily moved by the roller mechanism.
7. The pulse generator for pipeline flushing according to claim 1, wherein the pulse generator further comprises a housing, the housing is mounted on the fixing frame, and the housing covers the pneumatic control mechanism and the manual control valve, so as to prevent the pipelines of the pneumatic control mechanism and the flow sensor from being entangled with the equipment.
8. The pulse generating apparatus for pipe washing according to claim 1, wherein the pressure sensor is connected to one end of the hose, the other end of the hose is connected to the pipe, and the pressure sensor is disposed inside the tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921620574.3U CN210876611U (en) | 2019-09-25 | 2019-09-25 | Pulse generating device for pipeline flushing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921620574.3U CN210876611U (en) | 2019-09-25 | 2019-09-25 | Pulse generating device for pipeline flushing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210876611U true CN210876611U (en) | 2020-06-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921620574.3U Expired - Fee Related CN210876611U (en) | 2019-09-25 | 2019-09-25 | Pulse generating device for pipeline flushing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210876611U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113000498A (en) * | 2021-03-01 | 2021-06-22 | 浙江大学 | Cleaning method for high-pressure tubular polyethylene reaction system |
-
2019
- 2019-09-25 CN CN201921620574.3U patent/CN210876611U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113000498A (en) * | 2021-03-01 | 2021-06-22 | 浙江大学 | Cleaning method for high-pressure tubular polyethylene reaction system |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200630 |
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| CF01 | Termination of patent right due to non-payment of annual fee |