CN217582361U

CN217582361U - Hydraulic turbine speed regulator proportional valve card hinders fault diagnosis device

Info

Publication number: CN217582361U
Application number: CN202221003346.3U
Authority: CN
Inventors: 陈鑫; 黄学然; 余舰; 王珍明
Original assignee: Wuhan Sanlian Electric Co ltd; Silin Power Generation Plant Guizhou Wujiang Hydropower Development Co ltd; Huadian Electric Power Research Institute Co Ltd
Current assignee: Wuhan Sanlian Electric Co ltd; Silin Power Generation Plant Guizhou Wujiang Hydropower Development Co ltd; Huadian Electric Power Research Institute Co Ltd
Priority date: 2022-04-27
Filing date: 2022-04-27
Publication date: 2022-10-14
Anticipated expiration: 2032-04-27

Abstract

The utility model discloses a hydraulic turbine speed regulator proportional valve card hinders fault determination device, including proportional valve, water storage device, high-pressure washing unit, the one end of proportional valve has No. two valves through No. two pipeline intercommunications, the other end of proportional valve has No. three valves through No. three pipeline intercommunications, no. three valves pass through No. nine pipe connections with high-pressure washing unit, high-pressure washing unit passes through No. eight pipe connections with water storage device, water storage device and No. two valves pass through No. seven pipe connections, no. three pipeline branch mouth has been seted up to the side of No. three pipelines, no. three pipeline branch mouth intercommunications are provided with No. four pipelines, the port intercommunication of No. four pipelines has a valve, the one end of a valve has the flowmeter through No. five pipeline intercommunications, can in time detect whether card of proportional valve hinders the trouble through the flowmeter, and the circulation flushing structure can carry out the hydrologic cycle spray rinsing to the proportional valve to replace traditional manual cleaning mode.

Description

Hydraulic turbine speed regulator proportional valve jam fault judgment device

Technical Field

The utility model relates to a hydraulic turbine speed governor proportional valve fault diagnosis equipment technical field specifically is a hydraulic turbine speed governor proportional valve card hinders fault diagnosis device.

Background

When a blocking fault of a proportional valve of a hydraulic governor is caused by scale, the fault of the proportional valve cannot be found in time due to the integral connection relation, and the fault is difficult to clean, so that a blocking fault judgment device for the proportional valve of the hydraulic governor is needed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a hydraulic turbine speed regulator proportional valve card hinders fault determination device, not only can in time detect the card of proportional valve and hinders the trouble to can also carry out the hydrologic cycle spray rinsing to the proportional valve, thereby replace traditional artifical washing mode, make the washing easier, in order to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a hydraulic turbine governor proportional valve blocking fault judgment device comprises a proportional valve, a water storage device and a high-pressure flushing device, wherein one end of the proportional valve is communicated with a second valve through a second pipeline, and the other end of the proportional valve is communicated with a third valve through a third pipeline;

the third valve is connected with the high-pressure flushing device through a ninth pipeline, the high-pressure flushing device is connected with the water storage device through an eighth pipeline, and the water storage device is connected with the second valve through a seventh pipeline;

the side of No. three pipeline has seted up No. three pipeline branch mouth, no. three pipeline branch mouth intercommunication is provided with No. four pipelines, the port intercommunication of No. four pipelines has a valve, the one end of a valve is through No. five pipeline intercommunication have the flowmeter, the one end of flowmeter is through No. six pipeline intercommunication have the hydraulic turbine speed regulator.

Preferably, a second pipeline branch opening is formed in the side end of the second pipeline, the second pipeline branch opening is communicated with a first pipeline, and a port of the first pipeline is communicated with a water adding valve.

Preferably, the water storage device comprises a water storage tank, and a filter grid is fixedly installed on a water outlet of the water storage tank.

Preferably, the water outlet of the water storage tank is communicated with a No. eight pipeline, and the water inlet of the water storage tank is communicated with a No. seven pipeline.

Preferably, the upper end of the water storage tank is provided with an opening structure and a water tank upper cover, and the lower end of the water storage tank is fixedly connected with a water tank support.

Preferably, the bottom end of the water storage tank is communicated with a water tank drain pipe, and a water tank valve is arranged on the water tank drain pipe.

Preferably, the high-pressure flushing device comprises a flushing device base, and a high-pressure water sprayer and a flushing device water tank are fixedly mounted at the upper end of the flushing device base.

Preferably, the high-pressure water sprayer is communicated with the flushing device water tank, and a water inlet of the flushing device water tank is communicated with the eighth pipeline.

Preferably, the upper end of the water tank of the flushing device is provided with a water tank filler, and the water tank filler is communicated with an external tap water pipe.

Preferably, a port of the high-pressure water sprayer is provided with a water sprayer water pipe, and the water sprayer water pipe is communicated with the No. nine pipeline and is connected with the No. nine pipeline through a flange.

Compared with the prior art, the beneficial effects of the utility model are that:

the flow meter is arranged between the water turbine speed regulator and the proportional valve, when the water flow recorded by the flow meter is reduced and reaches a certain threshold value, the proportional valve can be judged to be blocked, and the system can give an alarm to an operator so as to carry out high-pressure spray washing operation or maintenance;

through the design of the circulating flushing structure, the high-pressure water sprayer sprays and washes the proportional valve, water flow of the high-pressure water sprayer circulates through the circulating pipeline, and therefore the proportional valve is sprayed and washed circularly.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a three-dimensional schematic view of the structure of the water storage device and the high-pressure flushing device of the present invention;

fig. 3 is a schematic structural view of the water storage device of the present invention;

fig. 4 is a schematic structural view of the high-pressure flushing device of the present invention.

In the figure: 1. a first pipeline; 2. a second pipeline; 3. a third pipeline; 4. a fourth pipeline; 5. a fifth pipeline; 6. a number six pipe; 7. a seventh pipeline; 8. a eighth pipeline; 9. a ninth pipeline; 11. a water adding valve; 12. a proportional valve; 13. a flow meter; 14. a governor of the hydraulic turbine; 21. a first valve; 22. a second valve; 23. a third valve; 30. a water storage device; 31. a water storage tank; 32. filtering the grid; 33. a water discharge pipe of the water tank; 34. a water tank valve; 35. an upper cover of the water tank; 36. a water tank bracket; 40. a high pressure flushing device; 41. a flushing device base; 42. a high pressure water sprayer; 43. a sprinkler water pipe; 44. flushing the device tank; 45. a water filling port of the water tank.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by those skilled in the art without creative efforts all belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a hydraulic turbine governor proportional valve jamming fault judgment device comprises a proportional valve 12 and a circulating flushing structure, wherein one end of the proportional valve 12 is communicated with a second valve 22 through a second pipeline 2, and the other end of the proportional valve 12 is communicated with a third valve 23 through a third pipeline 3;

the circulating flushing structure comprises a water storage device 30 and a high-pressure flushing device 40, a third valve 23 and the high-pressure flushing device 40 are connected through a ninth pipeline 9, the high-pressure flushing device 40 and the water storage device 30 are connected through an eighth pipeline 8, the water storage device 30 and a second valve 22 are connected through a seventh pipeline 7, and the seventh pipeline 7 is used as a circulating pipeline, so that the arrangement of the proportional valve 12 and the circulating flushing structure is completed.

No. two pipeline branch mouths have been seted up to the side of No. two pipelines 2, and No. two pipeline branch mouths intercommunication is provided with pipeline 1, and the port intercommunication of pipeline 1 has water filling valve 11, and the other end of water filling valve 11 communicates in outside main inlet channel.

No. 3 pipeline branch mouths have been seted up to the side of No. 3 pipeline, and No. 4 pipeline 4 is provided with in No. three pipeline branch mouth intercommunication, and No. 4 pipeline's port intercommunication has a valve 21, and the one end of a valve 21 is through No. 5 pipeline intercommunications flowmeter 13, and the one end of flowmeter 13 is through No. six pipeline 6 intercommunications have hydraulic turbine speed regulator 14, and the other end of hydraulic turbine speed regulator 14 communicates in outside hydraulic turbine.

The main connection arrangement of the whole structure is completed through the above.

The water storage device 30 comprises a water storage tank 31, a water inlet of the water storage tank 31 is communicated with the No. seven pipeline 7, a water outlet of the water storage tank 31 is communicated with the No. eight pipeline 8, and a filter grid 32 can be fixedly installed at the water outlet of the water storage tank 31, so that when water mixed with impurities enters the water storage tank 31 from the No. seven pipeline 7 and is discharged through the No. eight pipeline 8, the impurities can be blocked by the filter grid 32;

the upper end of the water storage tank 31 is provided with an opening structure and a water tank upper cover 35, and a handle is arranged on the water tank upper cover 35 so as to clean the water storage tank 31 by opening the water tank upper cover 35;

the bottom end of the water storage tank 31 is communicated with a water tank discharge pipe 33, and a water tank valve 34 is arranged on the water tank discharge pipe 33 so as to discharge water when the water storage tank 31 is cleaned;

a tank bracket 36 is fixedly connected to the lower end of the water tank 31 so as to be fixed to the ground and to leave a space for the discharge pipe 33 of the tank.

The high-pressure flushing device 40 comprises a flushing device base 41, a high-pressure water sprayer 42 and a flushing device water tank 44 are fixedly mounted at the upper end of the flushing device base 41, the high-pressure water sprayer 42 is communicated with the flushing device water tank 44 so that the flushing device water tank 44 supplies water for the high-pressure water sprayer 42, a water sprayer water pipe 43 is arranged at the port of the high-pressure water sprayer 42, and the water sprayer water pipe 43 is communicated with the No. nine pipeline 9 and is connected with the No. nine pipeline through a flange;

the water inlet of the flushing device water tank 44 is communicated with the eighth pipeline 8 so as to be communicated with the water storage tank 31 through the eighth pipeline 8, the upper end of the flushing device water tank 44 is provided with a water tank water filling port 45, and the water tank water filling port 45 is communicated with an external tap water pipe so as to supply water for the flushing device water tank 44.

The working principle is as follows: in normal use, the water adding valve 11 and the first valve 21 are opened, and the second valve 22 and the third valve 23 are closed;

an external main water inlet pipeline discharges water into the water inlet pipeline through a water adding valve 11, wherein the water adjusts the water flow through a proportional valve 12, and the water flow is recorded and fed back to a control host machine through a flow meter 13 when entering a water turbine speed regulator 14;

when the water flow recorded by the flowmeter 13 is reduced and reaches a certain threshold value, the proportional valve 12 can be judged to be blocked, and the system can give an alarm to an operator so as to carry out high-pressure spray washing operation or maintenance;

when high-pressure spray washing is carried out, the water adding valve 11 and the first valve 21 are closed, and the second valve 22 and the third valve 23 are opened;

the flushing device water tank 44 adds water through the water tank water adding opening 45, the high-pressure water sprayer 42 sprays the proportional valve 12, water flow of the water can circulate into the water storage tank 31 through the No. seven pipeline 7, when the water in the water storage tank 31 reaches half, the water adding opening 45 of the water tank can stop adding water, the proportional valve 12 is sprayed circularly, impurities in the water storage tank 31 can be remained, and the water storage tank 31 can be cleaned subsequently.

The control mode of the present application document is automatically controlled by a controller, the control circuit of the controller can be realized by programming by a person skilled in the art, and the present application document belongs to the common knowledge in the field, and the present application document is mainly used for protecting a mechanical device, so the present application document does not explain the control mode and the circuit connection in detail, and the device supplies power by an external power supply.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a hydraulic turbine governor proportional valve card hinders fault determination device, includes proportional valve (12), water storage device (30), high pressure washing unit (40), its characterized in that: one end of the proportional valve (12) is communicated with a second valve (22) through a second pipeline (2), and the other end of the proportional valve (12) is communicated with a third valve (23) through a third pipeline (3);

the third valve (23) is connected with a high-pressure flushing device (40) through a ninth pipeline (9), the high-pressure flushing device (40) is connected with a water storage device (30) through an eighth pipeline (8), and the water storage device (30) is connected with the second valve (22) through a seventh pipeline (7);

no. three pipeline branch mouths have been seted up to the side of No. three pipeline (3), no. three pipeline branch mouth intercommunication is provided with No. four pipelines (4), the port intercommunication of No. four pipeline (4) has a valve (21), the one end of a valve (21) has flowmeter (13) through No. five pipeline (5) intercommunication, the one end of flowmeter (13) has hydraulic turbine speed regulator (14) through No. six pipeline (6) intercommunication.

2. The governor of a hydraulic turbine proportional valve jam fault diagnosis device of claim 1, characterized in that: no. two pipeline branches mouth has been seted up to the side of No. two pipeline (2), no. two pipeline branches mouth intercommunication is provided with No. one pipeline (1), the port intercommunication of No. one pipeline (1) has water filling valve (11).

3. The device for judging the blocking fault of the proportional valve of the hydro governor according to claim 1, wherein: the water storage device (30) comprises a water storage tank (31), and a filter grid (32) is fixedly mounted on a water outlet of the water storage tank (31).

4. The device for judging the blocking fault of the proportional valve of the hydro governor according to claim 3, wherein: the water outlet of the water storage tank (31) is communicated with the eighth pipeline (8), and the water inlet of the water storage tank (31) is communicated with the seventh pipeline (7).

5. The device for judging the blocking fault of the proportional valve of the hydro governor according to claim 4, wherein: the upper end of the water storage tank (31) is arranged to be of an opening structure and is provided with a water tank upper cover (35), and the lower end of the water storage tank (31) is fixedly connected with a water tank support (36).

6. The device for judging the blocking fault of the proportional valve of the hydro governor according to claim 5, wherein: the bottom end of the water storage tank (31) is communicated with a water tank discharge pipe (33), and a water tank valve (34) is arranged on the water tank discharge pipe (33).

7. The device for judging the blocking fault of the proportional valve of the hydro governor according to claim 1, wherein: the high-pressure flushing device (40) comprises a flushing device base (41), and a high-pressure water sprayer (42) and a flushing device water tank (44) are fixedly mounted at the upper end of the flushing device base (41).

8. The device for judging the blocking fault of the proportional valve of the hydro governor according to claim 7, wherein: the high-pressure water sprayer (42) is communicated with the flushing device water tank (44), and a water inlet of the flushing device water tank (44) is communicated with the eighth pipeline (8).

9. The device for judging the blocking fault of the proportional valve of the hydro governor according to claim 8, wherein: the upper end of the water tank (44) of the flushing device is provided with a water tank water filling port (45), and the water tank water filling port (45) is communicated with an external tap water pipe.

10. The governor of hydraulic turbine proportional valve jamming fault determining apparatus of claim 9, wherein: a port of the high-pressure water sprayer (42) is provided with a water sprayer water pipe (43), and the water sprayer water pipe (43) is communicated with the No. nine pipeline (9) and is connected with the No. nine pipeline through a flange.