CN219282574U

CN219282574U - Stop valve for power station

Info

Publication number: CN219282574U
Application number: CN202320309409.6U
Authority: CN
Inventors: 瞿辉; 吴楠
Original assignee: Yangzhong Valve Factory Co ltd
Current assignee: Yangzhong Valve Factory Co ltd
Priority date: 2023-02-24
Filing date: 2023-02-24
Publication date: 2023-06-30
Anticipated expiration: 2033-02-24

Abstract

The utility model relates to the technical field of stop valves, in particular to a stop valve for a power station, which comprises a stop valve main body, wherein a buffer component group is arranged outside the stop valve main body and used for reducing impact force, the buffer component group comprises a shell, an air cavity is arranged inside the shell, a curved rubber sheet is arranged on one side of the air cavity, a sealing ring is arranged inside the curved rubber sheet, and a cover is arranged at the top of the shell. The utility model can absorb the impact force applied by the water hammer to the electric water stop valve, thereby prolonging the service life and improving the practicability of the electric water stop valve.

Description

Stop valve for power station

Technical Field

The utility model relates to the technical field of stop valves, in particular to a stop valve for a power station.

Background

The station shut-off valve is a valve for controlling the flow of fluid in the station water circulation system. It is usually mounted on a main water pipe or its branch pipe for shutting off or controlling the flow of fluid, and in power stations, electrically operated shut-off valves are usually used, which can be opened and closed by remote control, typically mounted deep in the water conservancy system of the power station and in other difficult-to-reach locations.

When the electric stop valve is closed suddenly, pressure shock waves generated by sudden interruption of water flow are called water hammer phenomenon, the inside of the electric stop valve can be damaged, even the pipeline is broken and water leakage is caused, the electric stop valve has serious influence on a power station, and the electric stop valve is generally installed in the deep part of a water conservancy system of the power station and other difficult-to-reach positions, and the electric stop valve fails once the personnel inconveniently enter, so that the problem cannot be found in time.

Disclosure of Invention

In order to overcome the technical problems, the utility model aims to provide a stop valve for a power station, so as to solve the problems that the valve is damaged due to impact of water hammer when the electric stop valve is suddenly closed and the damage cannot be found in time.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a power station stop valve, includes electronic stop valve part group, electronic stop valve part group includes the stop valve main part, one side of electronic stop valve part group is provided with the water inlet end, the opposite side of stop valve main part is provided with the water outlet end, the outside of stop valve main part is provided with the buffer part group, the buffer part group is used for slowing down impact force, the buffer part group includes the casing, the inside of casing is provided with the air cavity, is one side of air cavity and is provided with curved surface rubber collagen piece, the inside of curved surface rubber collagen piece is provided with the sealing washer, the top of casing is provided with the lid; one side of the stop valve main body is provided with a monitoring component group, and the monitoring component group is used for detecting data of the electric stop valve component group.

Preferably: the bottom of casing is provided with the opening, and the casing passes through opening and the inside intercommunication of stop valve main part, the outside of curved surface rubber collagen piece is contacted with the inner wall of casing, the curved surface rubber collagen piece is provided with the recess in the position that corresponds the sealing washer, and curved surface rubber collagen piece and sealing washer pass through the recess and connect, the air cavity has been formed between casing, air cavity and the curved surface rubber collagen piece.

Preferably: the top of casing has seted up the air inlet nozzle, the lid is provided with the screw thread in the position that corresponds the air inlet nozzle, and is provided with corresponding screw thread on the air inlet nozzle, lid and air inlet nozzle pass through threaded connection.

Preferably: the monitoring component group comprises a protective shell, a flow rate monitor is arranged on one side of the protective shell, a water pressure monitor is arranged on one side of the flow rate monitor, a temperature monitor is arranged on one side of the water pressure monitor, a processing chip is arranged in the protective shell, and a remote transmission module is arranged on one side of the processing chip.

Preferably: the protective shell is connected to the outer surface of the stop valve main body, the flow rate monitor is connected to the inside of the stop valve main body, and the water pressure monitor and the temperature monitor are connected to the inner wall of the stop valve main body.

Preferably: the intelligent water temperature monitoring device comprises a flow rate monitor, a water pressure monitor, a temperature monitor, a remote transmission module, a wireless signal and an external control end, wherein the flow rate monitor, the water pressure monitor and the temperature monitor are electrically connected with a processing chip, the processing chip is electrically connected with the remote transmission module, the remote transmission module is connected with the external control end through the wireless signal, and the processing chip and the remote transmission module are connected inside a protective shell.

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

1. the power station stop valve is provided with a buffer component group, when the electric stop valve is suddenly closed, pressure shock waves generated due to sudden interruption of water flow are called water hammer phenomenon, the inside of the electric stop valve is damaged, even a pipeline is broken and water leakage is caused, the power station is seriously affected, in the buffer component group which is correspondingly designed, when the stop valve main body is suddenly closed, the water flow flowing from the water inlet end to the water outlet end is cut off, at the moment, the water hammer is formed, the impact force of the water hammer can enter the shell, the curved rubber sheet and the sealing ring are extruded, the curved rubber sheet and the sealing ring can move backwards like a piston, at the moment, because the air cavity is filled with air, the air can generate an outward thrust to the curved rubber sheet and the sealing ring, the impact force of the water hammer is further reduced, and the electric stop valve is protected;

2. this power station stop valve is provided with monitoring component group, and because electronic stop valve is generally installed in power station hydraulic system depths and other positions that are difficult to reach, because personnel are inconvenient get into, electronic stop valve once but breaks down, can not in time discover the problem, in the monitoring component group of corresponding design, flow rate monitor, water pressure monitor and temperature monitor are in the inside of stop valve main part, the inside data of stop valve main part can be detected by flow rate monitor, water pressure monitor and temperature monitor and carry out the processing chip of top through the signal line, the summarization through processing chip passes through remote transmission module with data transmission to outside control port, and then the staff can be long-range through checking data real-time supervision electric valve's operating condition, flow rate monitor can detect whether there is the leakage after the valve is closed, water pressure monitor can detect the valve internal pressure, temperature monitor can detect the valve internal temperature, when any abnormal conditions appear, personnel can all in time receive unusual data, thereby can in time wake maintenance or repair, avoid the mistake to lead to more serious economic loss.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic overall sectional view of the present utility model;

FIG. 3 is a schematic diagram of the structure of FIG. 2A according to the present utility model;

FIG. 4 is a schematic diagram of the structure of FIG. 2B in accordance with the present utility model;

fig. 5 is a schematic view of the overall explosion structure of the present utility model.

In the figure: 01. an electric shutoff valve member group; 11. a shutoff valve body; 12. a water inlet end; 13. a water outlet end; 02. a buffer member group; 21. a housing; 22. an air cavity; 23. curved surface rubber sheet; 24. a seal ring; 25. a cover; 03. monitoring a group of components; 31. a protective shell; 32. a flow rate monitor; 33. a water pressure monitor; 34. a temperature monitor; 35. a processing chip; 36. and a remote transmission module.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-5, an embodiment of the present utility model is provided: the utility model provides a power station stop valve, including electric stop valve part group 01, electric stop valve part group 01 includes stop valve main part 11, one side of electric stop valve part group 01 is provided with water inlet end 12, the opposite side of stop valve main part 11 is provided with out water end 13, the outside of stop valve main part 11 is provided with buffer part group 02, buffer part group 02 is used for slowing down impact force, buffer part group 02 includes casing 21, the inside of casing 21 is provided with air cavity 22, be one side of air cavity 22 is provided with curved surface rubber collagen piece 23, the inside of curved surface rubber collagen piece 23 is provided with sealing washer 24, the top of casing 21 is provided with lid 25; one side of the shut-off valve body 11 is provided with a monitoring component group 03, and the monitoring component group 03 is used for detecting data of the electric shut-off valve component group 01.

The bottom of casing 21 is provided with the opening, and casing 21 passes through opening and the inside intercommunication of stop valve main part 11, and the outside of curved surface rubber collagen piece 23 contacts with the inner wall of casing 21, and curved surface rubber collagen piece 23 is provided with the recess in the position that corresponds sealing washer 24, and curved surface rubber collagen piece 23 and sealing washer 24 pass through the recess and connect, have formed air cavity 22 between casing 21, air cavity 22 and the curved surface rubber collagen piece 23.

The air inlet nozzle has been seted up at the top of casing 21, and lid 25 is provided with the screw thread in the position that corresponds the air inlet nozzle, and is provided with corresponding screw thread on the air inlet nozzle, and lid 25 and air inlet nozzle pass through threaded connection, through unscrewing lid 25, can aerify air cavity 22 through the air inlet nozzle on the casing 21, resets lid 25 after the inflation is accomplished, can guarantee air cavity 22 airtight, curved surface rubber piece 23 and the inner wall contact of casing 21.

The monitoring component group 03 comprises a protective shell 31, wherein a flow rate monitor 32 is arranged on one side of the protective shell 31, a water pressure monitor 33 is arranged on one side of the flow rate monitor 32, a temperature monitor 34 is arranged on one side of the water pressure monitor 33, a processing chip 35 is arranged in the protective shell 31, and a remote transmission module 36 is arranged on one side of the processing chip 35.

The protective housing 31 is connected to the outer surface of the shut-off valve body 11, the flow rate monitor 32 is connected to the inside of the shut-off valve body 11, and the water pressure monitor 33 and the temperature monitor 34 are connected to the inner wall of the shut-off valve body 11.

The flow rate monitor 32, the water pressure monitor 33 and the temperature monitor 34 electric connection handle the chip 35, handle chip 35 electric connection remote transmission module 36, remote transmission module 36 passes through wireless signal and outside control end connection, handle chip 35 and remote transmission module 36 and all connect inside the protecting crust 31, and whether flow rate monitor 32 can detect the valve and close the back and reveal, and water pressure monitor 33 can detect the valve internal pressure, and temperature monitor 34 can detect the valve internal temperature.

Working principle: when the electric stop valve is suddenly closed, pressure shock waves generated by sudden interruption of water flow are called water hammer phenomenon, the inside of the electric stop valve is damaged, even pipelines are broken and water leakage is caused, the power station is seriously affected, in a buffer component group 02 correspondingly designed, when the stop valve main body 11 is suddenly closed, water flow flowing from the water inlet end 12 to the water outlet end 13 is cut off, water hammer is formed, impact force of the water hammer enters the shell 21, the curved rubber sheet 23 and the sealing ring 24 are extruded, the curved rubber sheet 23 and the sealing ring 24 move backwards like a piston, at the moment, air is filled in the air cavity 22, and the air can generate an outward thrust to the curved rubber sheet 23 and the sealing ring 24, so that the impact force of the water hammer is reduced, and the electric stop valve is protected. Because the electric stop valve is generally installed in the deep and other difficult-to-reach positions of the power station water conservancy system, the electric stop valve fails once the personnel is inconvenient to enter, the problem cannot be found timely, in the corresponding designed monitoring component group 03, the flow rate monitor 32, the water pressure monitor 33 and the temperature monitor 34 are arranged in the stop valve main body 11, data in the stop valve main body 11 can be detected by the flow rate monitor 32, the water pressure monitor 33 and the temperature monitor 34 and are transmitted to the processing chip 35 above through signal lines, the data are transmitted to an external control port through the summarization of the processing chip 35, the working condition of the electric valve can be monitored in real time by checking the data remotely by the personnel, the flow rate monitor 32 can detect whether the valve is leaked after being closed, the water pressure monitor 33 can detect the pressure in the valve, the temperature monitor 34 can detect the temperature in the valve, and when any abnormal condition occurs, the personnel can receive abnormal data timely, thereby the personnel can wake up or maintain timely, and avoid error maintenance, and serious economic loss are caused.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a power station stop valve, includes electronic stop valve part group (01), electronic stop valve part group (01) are including stop valve main part (11), one side of electronic stop valve part group (01) is provided with into water end (12), the opposite side of stop valve main part (11) is provided with out water end (13), its characterized in that:

the stop valve is characterized in that a buffer component group (02) is arranged outside the stop valve main body (11), the buffer component group (02) is used for relieving impact force, the buffer component group (02) comprises a shell (21), an air cavity (22) is arranged inside the shell (21), a curved rubber sheet (23) is arranged on one side of the air cavity (22), a sealing ring (24) is arranged inside the curved rubber sheet (23), and a cover (25) is arranged at the top of the shell (21);

one side of the stop valve main body (11) is provided with a monitoring component group (03), and the monitoring component group (03) is used for detecting data of the electric stop valve component group (01).

2. A plant shut-off valve according to claim 1, characterized in that: the bottom of casing (21) is provided with the opening, and casing (21) are through opening and stop valve main part (11) inside intercommunication, the outside of curved surface rubber collagen piece (23) is contacted with the inner wall of casing (21), curved surface rubber collagen piece (23) are provided with the recess in the position that corresponds sealing washer (24), and curved surface rubber collagen piece (23) and sealing washer (24) pass through groove connection, air cavity (22) have been formed between casing (21), air cavity (22) and the curved surface rubber collagen piece (23).

3. A plant shut-off valve according to claim 1, characterized in that: the top of casing (21) has seted up the air inlet nozzle, lid (25) are provided with the screw thread in the position that corresponds the air inlet nozzle, and are provided with corresponding screw thread on the air inlet nozzle, lid (25) and air inlet nozzle pass through threaded connection.

4. A plant shut-off valve according to claim 1, characterized in that: the monitoring component group (03) comprises a protective shell (31), a flow rate monitor (32) is arranged on one side of the protective shell (31), a water pressure monitor (33) is arranged on one side of the flow rate monitor (32), a temperature monitor (34) is arranged on one side of the water pressure monitor (33), a processing chip (35) is arranged in the protective shell (31), and a remote transmission module (36) is arranged on one side of the processing chip (35).

5. A plant shut-off valve according to claim 4, wherein: the protection shell (31) is connected to the outer surface of the stop valve main body (11), the flow rate monitor (32) is connected to the inside of the stop valve main body (11), and the water pressure monitor (33) and the temperature monitor (34) are connected to the inner wall of the stop valve main body (11).

6. A plant shut-off valve according to claim 4, wherein: the intelligent water temperature monitoring device is characterized in that the flow rate monitor (32), the water pressure monitor (33) and the temperature monitor (34) are electrically connected with the processing chip (35), the processing chip (35) is electrically connected with the remote transmission module (36), the remote transmission module (36) is connected with an external control end through wireless signals, and the processing chip (35) and the remote transmission module (36) are connected inside the protective shell (31).