Electric hydrogen discharge valve for wet dust removal system

Abstract

The utility model relates to the technical field of wet-type dust removal hydrogen discharge, in particular to an electric hydrogen discharge valve for a wet-type dust removal system, which comprises a valve main body, a plurality of exhaust ports are formed in the top of the valve main body, the bottom of the valve main body is open, and the open end of the bottom of the valve main body is communicated with the top of a wet-type dust removal system pipeline; the upper cover plate is arranged at the top of the valve body, the bottom of the upper cover plate is fixedly connected with a moving shaft, the moving shaft is made of magnetic materials, the moving shaft vertically penetrates through the top of the valve body in a sliding mode, and the upper cover plate is used for abutting against the top of the valve body and sealing the exhaust port; the coil is arranged in the valve body and is coaxial with the moving shaft, the coil is used for providing vertically downward electromagnetic force for the moving shaft, the coil is electrically connected to an external power source, and the external power source is in control connection with the wet dust removal system; the elastic piece is arranged on the valve body and used for providing vertically-upward restoring force for the upper cover plate. The device has the effects of convenience in installation, economy, effectiveness, active hydrogen discharge, safety and explosion prevention.

Description

Technical Field

[0001] The utility model relates to the technical field of wet dust removal hydrogen discharge, in particular to an electric hydrogen discharge valve for a wet dust removal system. Background Art

[0002] A wet dust removal system is a technology commonly used in industrial environments to control dust and particulate emissions. It captures and removes particulate matter suspended in the gas by bringing the gas into contact with water, using the wettability and impact force of water. A wet dust removal system for metal dust continuously collects metal dust during operation. Metal dust and the water medium in the dust removal system continuously undergo chemical reactions during contact to produce hydrogen. When the wet dust removal system is shut down, the metal dust and the water medium therein coexist and slowly produce hydrogen. The coexistence of these accumulated hydrogen and metal dust can bring about a risk of flammability and explosion. However, most of the current hydrogen discharge measures for wet dust removal systems for metal dust are to open a hydrogen discharge port at the top of the pipeline. This method can cause air leakage in the wet dust removal system during operation, thereby affecting the dust removal efficiency of the wet dust removal system itself, which needs to be solved urgently. Utility Model Content

[0003] In view of the above-mentioned deficiencies in the prior art, the present application provides an electric hydrogen exhaust valve for a wet dust removal system.

[0004] The above invention objectives of the present application are achieved through the following technical solutions:

[0005] A valve body, wherein a plurality of exhaust ports are provided on the top of the valve body and the bottom is open, and the bottom open end of the valve body is connected to the top of the wet dust removal system pipeline;

[0006] An upper cover plate, the upper cover plate is arranged on the top of the valve body and a movable shaft is fixedly connected to the bottom thereof, the movable shaft is made of a magnetic material, the movable shaft vertically slides through and is arranged on the top of the valve body, the upper cover plate is used to abut against the top of the valve body and close the exhaust port;

[0007] A coil, the coil is arranged inside the valve body and coaxially with the moving shaft, the coil is used to provide a vertical downward electromagnetic force to the moving shaft, the coil is electrically connected to an external power supply, and the external power supply is controlled and connected to a wet dust removal system;

[0008] An elastic member is arranged on the valve body and is used to provide a vertical upward restoring force to the upper cover plate.

[0009] By adopting the above technical solution, when the wet dust removal system is started and operated, a power supply signal is sent to the external power supply to energize the coil. At this time, the coil is energized to generate a magnetic field, and the movable shaft made of magnetic material is driven by the electromagnetic force to move the upper cover plate close to the top of the valve body until the upper cover plate abuts against the top of the valve body and closes the exhaust port, thereby completing the automatic closing of the valve. This state can avoid air leakage, reduce the air volume loss of the wet dust removal system, and improve the operating efficiency of the wet dust removal system. After the wet dust removal system is shut down, the coil loses power supply, so that the movable shaft loses the electromagnetic force. Under the action of the elastic member, the upper cover plate drives the movable shaft to move away from the top of the valve body and open the exhaust port, thereby realizing the automatic opening of the valve. At this time, the hydrogen inside the wet dust removal system pipeline can be discharged from the exhaust port of the valve body, thereby reducing hydrogen accumulation, reducing the risk of combustible explosion inside the wet dust removal system, and improving the safety of the site.

[0010] In a preferred example, the present application can be further configured as follows: the elastic member is a spring, a first groove is provided on the top of the valve body, and the spring is located in the first groove and directly below the upper cover plate.

[0011] By adopting the above technical solution and setting the first groove, a position for the spring to be installed can be provided, so that the spring can be located directly below the upper cover plate without affecting the closing of the exhaust port by the upper cover plate, and when the upper cover plate is pressed down, the spring can continuously provide an upward restoring force to the upper cover plate.

[0012] In a preferred example, the present application can be further configured as follows: one end of the movable shaft located inside the valve body is fixedly connected to a lower cover plate, and the lower cover plate is used to abut against the top end inside the valve body.

[0013] By adopting the above technical solution and setting the lower cover plate, the movable shaft can be limited to prevent the movable shaft from separating from the valve body.

[0014] In a preferred example, the present application can be further configured as follows: the upper cover plate and the lower cover plate are both detachably fixedly connected to the movable shaft by means of threaded connection.

[0015] By adopting the above technical solution and installing by threaded connection, it is convenient for the staff to disassemble, assemble and maintain the upper cover plate, the movable shaft and the lower cover plate.

[0016] In a preferred example, the present application can be further configured as follows: a second groove for placing the coil is opened inside the valve body, and the second groove is provided with a cover, and the cover is used to close the second groove.

[0017] By adopting the above technical solution and setting the second groove, a mounting position can be provided for the coil, and then the second groove is closed by the cover to seal and protect the coil.

[0018] In a preferred example, the present application can be further configured as follows: the valve body is provided with a wire tube, the wire tube is connected to the second groove, and the wire of the external power supply is electrically connected to the coil through the wire tube.

[0019] By adopting the above technical solution, a wire tube is arranged on the valve body, which can provide a power supply channel for the coil and is suitable for the working conditions of the electric valve.

[0020] In a preferred example, the present application can be further configured as follows: the valve body is a cylindrical structure.

[0021] By adopting the above technical solution, it can adapt to the shapes of most pipes on the market and is suitable for pipeline working conditions.

[0022] In a preferred example, the present application can be further configured as follows: the exhaust port is in an arc shape.

[0023] By adopting the above technical solution, an arc-shaped exhaust port is used, which can adapt to the shape of the cylindrical valve body, so as to set a larger number of exhaust ports and further improve the hydrogen exhaust efficiency of the valve body.

[0024] In summary, the present application includes at least one of the following beneficial technical effects:

[0025] 1. When the wet dust removal system is started, a power supply signal is sent to the external power supply to energize the coil. At this time, the coil is energized to generate a magnetic field. The moving shaft made of magnetic material is driven by the electromagnetic force to move the upper cover plate close to the top of the valve body until the upper cover plate abuts against the top of the valve body and closes the exhaust port, completing the automatic closing of the valve. This state can avoid air leakage, reduce the air volume loss of the wet dust removal system, and improve the operating efficiency of the wet dust removal system. After the wet dust removal system is shut down, the coil loses power supply, so that the moving shaft loses the electromagnetic force. Under the action of the elastic part, the upper cover plate drives the moving shaft to move away from the top of the valve body and open the exhaust port, realizing the automatic opening of the valve. At this time, the hydrogen inside the wet dust removal system pipeline can be discharged from the exhaust port of the valve body, thereby reducing hydrogen accumulation, reducing the risk of combustible explosion inside the wet dust removal system, and improving the safety of the site.

[0026] 2. By setting the lower cover plate, the movable shaft can be limited to prevent the movable shaft from separating from the valve body.

[0027] 3. A wire tube is set on the valve body to provide a power supply channel for the coil, which is suitable for the working conditions of the electric valve. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 It is a schematic diagram of the overall structure of an electric hydrogen exhaust valve for a wet dust removal system in one embodiment of the present application;

[0029] Figure 2 It is a cross-sectional schematic diagram of a valve body installed in a pipeline of a wet dust removal system in one embodiment of the present application.

[0030] Figure numerals: 1. valve body; 2. exhaust port; 3. pipeline; 4. upper cover plate; 5. movable shaft; 6. coil; 7. spring; 8. first groove; 9. lower cover plate; 10. second groove; 11. cover; 12. wire tube. DETAILED DESCRIPTION

[0031] The following is a description of exemplary embodiments of the present application in conjunction with the accompanying drawings, including various details of the embodiments of the present application to facilitate understanding, which should be considered as merely exemplary. Therefore, it should be recognized by those of ordinary skill in the art that various changes and modifications can be made to the embodiments described herein without departing from the scope and spirit of the present application. Similarly, for the sake of clarity and conciseness, the description of well-known functions and structures is omitted in the following description.

[0032] It should be noted that the terms "first", "second", etc. in the present invention are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It should be understood that the data used in this way can be interchanged where appropriate, so that the embodiments of the present disclosure described herein can be implemented in an order other than those illustrated or described herein. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present disclosure.

[0033] In addition, the term "and / or" in this article is only a description of the association relationship of associated objects, indicating that there can be three relationships. For example, A and / or B can represent: A exists alone, A and B exist at the same time, and B exists alone. In addition, the character " / " in this article, unless otherwise specified, generally means that the associated objects before and after are in an "or" relationship.

[0034] An electric hydrogen exhaust valve for a wet dust removal system of the present application is described below with reference to the accompanying drawings.

[0035] like Figure 1 and Figure 2As shown, the electric hydrogen exhaust valve for the wet dust removal system includes a valve body 1, a plurality of exhaust ports 2 are provided on the top of the valve body 1 and the bottom is open, and the bottom open end of the valve body 1 is connected to the top of the wet dust removal system pipeline 3, wherein the valve body 1 is a cylindrical structure to adapt to the shape of most pipelines 3 on the market and is suitable for the working condition of the pipeline 3, and the exhaust port 2 is an arc shape. By adopting the arc-shaped exhaust port 2, the shape of the cylindrical valve body 1 can be adapted to set a larger number of exhaust ports 2, thereby further improving the hydrogen exhaust efficiency of the valve body 1;

[0036] In order to close the exhaust port 2, an upper cover plate 4 is provided on the top of the valve body 1, and a movable shaft 5 is fixedly connected to the bottom of the upper cover plate 4. The movable shaft 5 vertically slides through the top of the valve body 1, wherein the movable shaft 5 is made of magnetic material, and the upper cover plate 4 is used to abut against the top of the valve body 1 and close the exhaust port 2. A coil 6 is provided inside the valve body 1, and the coil 6 is coaxially arranged with the movable shaft 5. The coil 6 is used to provide a vertical downward electromagnetic force to the movable shaft 5, and the coil 6 is electrically connected to an external power supply (not shown in the figure), and the external power supply control is connected to the wet dust removal system. The valve body 1 is also provided with an elastic member for providing a vertical upward restoring force to the upper cover plate 4. When the wet dust removal is performed, that is, when the wet dust removal system is started, a power supply signal is sent to the external power supply to energize the coil 6. At this time, the coil 6 is turned on. Electricity generates a magnetic field, and the movable shaft 5 made of magnetic material is driven by the electromagnetic force to move the upper cover plate 4 close to the top of the valve body 1 until the upper cover plate 4 abuts against the top of the valve body 1 and closes the exhaust port 2, completing the automatic closing of the valve. This state can avoid air leakage, reduce the air volume loss of the wet dust removal system, and improve the operation efficiency of the wet dust removal system. After the wet dust removal system is shut down, the coil 6 loses power supply, so that the movable shaft 5 loses the electromagnetic force. Under the action of the elastic member, the upper cover plate 4 drives the movable shaft 5 to move away from the top of the valve body 1 and open the exhaust port 2, realizing the automatic opening of the valve. At this time, the hydrogen inside the wet dust removal system pipeline 3 can be discharged from the exhaust port 2 of the valve body 1, thereby reducing hydrogen accumulation, reducing the risk of flammable explosion inside the wet dust removal system, and improving the safety of the site.

[0037] It should be noted that due to the low density of hydrogen, it will gather at the top of the wet dust removal system pipeline 3. Installing the valve body 1 to the top of the pipeline 3 can facilitate the discharge of hydrogen from the exhaust port 2 at the top of the valve body 1.

[0038] Specifically, the elastic member is a spring 7, and a first groove 8 is provided on the top of the valve body 1. The spring 7 is located in the first groove 8 and is located directly below the upper cover plate 4. By setting the first groove 8, a position for making way for the spring 7 to be installed can be provided, so that the spring 7 can be located directly below the upper cover plate 4 without affecting the closing of the exhaust port 2 by the upper cover plate 4, and when the upper cover plate 4 is pressed down, the spring 7 can continuously provide an upward restoring force to the upper cover plate 4.

[0039] Furthermore, one end of the movable shaft 5 located inside the valve body 1 is fixedly connected to a lower cover plate 9, which is used to abut against the top of the valve body 1. By setting the lower cover plate 9, the movable shaft 5 can be limited to prevent the movable shaft 5 from separating from the valve body 1.

[0040] Among them, the upper cover plate 4 and the lower cover plate 9 are both detachably fixedly connected to the movable shaft 5 by means of threaded connection. By installing by means of threaded connection, it is convenient for the staff to disassemble, assemble and maintain the upper cover plate 4, the movable shaft 5 and the lower cover plate 9.

[0041] In addition, a second groove 10 for placing the coil 6 is opened inside the valve body 1, and the second groove 10 is provided with a cover 11, and the cover 11 is used to close the second groove 10. By setting the second groove 10, an installation position can be provided for the coil 6, and then the second groove 10 is closed by the cover 11 to seal and protect the coil 6.

[0042] Furthermore, in order to meet the power supply demand of the coil 6, the valve body 1 is provided with a wire tube 12, and the wire tube 12 is connected to the second groove 10. The wire of the external power supply (not shown in the figure) is electrically connected to the coil 6 through the wire tube 12. By arranging the wire tube 12 on the valve body 1, a power supply channel can be provided to the coil 6, which is suitable for the working conditions of the electric valve.

[0043] The implementation principle of an electric hydrogen exhaust valve for a wet dust removal system in an embodiment of the present application is as follows: when the wet dust removal system is started and operated, the external power supply is controlled to energize the coil 6 through the wire inside the wire tube 12, and the movable shaft 5 is subjected to the electromagnetic force of the magnetic field generated by the coil 6, driving the upper cover plate 4 to press down against the top of the valve body 1 and close the exhaust port 2, so that the valve is automatically closed. At this time, the spring 7 is in a compressed state. After the wet dust removal system is shut down, the movable shaft 5 drives the upper cover plate 4 to complete the reset under the action of the restoring force of the spring 7. At this time, the exhaust port 2 is opened, and the automatic opening of the valve is completed, thereby realizing the safe and automatic discharge of hydrogen inside the wet dust removal system.

[0044] The above specific implementations do not constitute a limitation on the protection scope of this application. It should be understood by those skilled in the art that various modifications, combinations, sub-combinations and substitutions can be made according to design requirements and other factors. Any modifications, equivalent substitutions and improvements made within the spirit and principles of this application should be included in the protection scope of this application.

Claims

1. An electric hydrogen exhaust valve for a wet dust removal system, characterized in that: include: A valve body (1), wherein a plurality of exhaust ports (2) are provided on the top of the valve body (1) and the bottom is open, and the bottom open end of the valve body (1) is connected to the top of a wet dust removal system pipeline (3); an upper cover plate (4), the upper cover plate (4) being arranged on the top of the valve body (1) and having a movable shaft (5) fixedly connected to the bottom thereof, the movable shaft (5) being made of a magnetic material, the movable shaft (5) being vertically slidably penetrated and arranged on the top of the valve body (1), the upper cover plate (4) being used to abut against the top of the valve body (1) and to close the exhaust port (2); A coil (6), the coil (6) being arranged inside the valve body (1) and coaxially arranged with the movable shaft (5), the coil (6) being used to provide a vertically downward electromagnetic force to the movable shaft (5), the coil (6) being electrically connected to an external power supply, and the external power supply being controlled and connected to a wet dust removal system; An elastic member, wherein the elastic member is arranged on the valve body (1) and is used to provide a vertical upward restoring force to the upper cover plate (4).

2. The electric hydrogen exhaust valve for a wet dust removal system according to claim 1, characterized in that: The elastic member is a spring (7), a first groove (8) is provided on the top of the valve body (1), and the spring (7) is located in the first groove (8) and directly below the upper cover plate (4).

3. The electric hydrogen exhaust valve for a wet dust removal system according to claim 1, characterized in that: One end of the movable shaft (5) located inside the valve body (1) is fixedly connected to a lower cover plate (9), and the lower cover plate (9) is used to abut against the top end inside the valve body (1).

4. The electric hydrogen exhaust valve for a wet dust removal system according to claim 3, characterized in that: The upper cover plate (4) and the lower cover plate (9) are both detachably fixedly connected to the movable shaft (5) by means of threaded connection.

5. The electric hydrogen exhaust valve for a wet dust removal system according to claim 1, characterized in that: A second groove (10) for accommodating the coil (6) is provided inside the valve body (1), and the second groove (10) is provided with a cover (11), and the cover (11) is used to close the second groove (10).

6. The electric hydrogen exhaust valve for a wet dust removal system according to claim 5, characterized in that: The valve body (1) is provided with a wire tube (12), the wire tube (12) is connected to the second groove (10), and the wire of the external power source is electrically connected to the coil (6) through the wire tube (12).

7. The electric hydrogen exhaust valve for a wet dust removal system according to claim 1, characterized in that: The valve body (1) is a cylindrical structure.

8. The electric hydrogen exhaust valve for a wet dust removal system according to claim 1, characterized in that: The exhaust port (2) is in an arc shape.

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