Anti-blocking sliding plate valve

Abstract

The utility model relates to the technical field of sliding plate valves, in particular to an anti-blocking sliding plate valve which comprises a valve body and a valve plate, the valve body is provided with a flow channel allowing media to circulate, opposite valve cavities are formed in the two sides of the flow channel respectively, the valve plate is arranged in the valve body in a sliding mode and used for blocking or opening the flow channel, and the valve plate is arranged in the valve body in a sliding mode. The sliding direction of the valve plate is the length direction of the valve plate, the two ends of the valve plate in the length direction extend into the valve cavities correspondingly, and each valve cavity is provided with a slag discharging hole communicating with the corresponding runner. According to the utility model, the problems of high deslagging frequency and short inspection period of the improved valve in the prior art are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of slide plate valves, in particular to an anti-blocking slide plate valve. Background Art

[0002] The slide valve is equipped with a valve plate perpendicular to the medium flow direction in the valve body. It is a special valve that can be used to open and close pipelines in solid-liquid mixture medium transportation systems.

[0003] In the prior art, the sliding plate valve used in the solid-liquid mixture medium conveying system has the risk of valve failure or jamming due to the sliding of the valve plate during the opening and closing process of the valve, which may cause the solid particle medium or mixture to enter the gap of the valve working part. In this case, some technologies have improved this problem. The improvement method is to set two valve cavities on the valve body, which are respectively located at the two ends of the valve plate's movable direction. Then, the solid particle medium or solid-liquid mixture medium passing through the gap of the valve working part can be collected by the valve cavity. Later, the valve cavity can be drained and slag discharged regularly. For example, the utility model patent disclosed in publication number CN114635985A, a wear-resistant black water valve, adopts this technical solution.

[0004] However, the problem with this technical solution is that the valve cavity has limited space, and the slag discharge frequency is relatively high in actual work. The high slag discharge frequency and short inspection cycle will increase the labor intensity of the staff.

[0005] In view of this, our company has further optimized the technology. Utility Model Content

[0006] The purpose of the utility model is to propose an anti-blocking slide valve, which solves the problems of high slag discharge frequency and short inspection cycle proposed in the background technology.

[0007] In order to achieve the above purpose, the present invention adopts the following technical solutions:

[0008] An anti-blocking slide valve includes a valve body and a valve plate. The valve body is provided with a flow channel allowing the flow of medium. Opposite valve cavities are respectively provided on both sides of the flow channel. The valve plate is slidably arranged inside the valve body to block or open the flow channel. The sliding direction of the valve plate is the length direction of the valve plate. The two ends of the valve plate in the length direction extend into the valve cavity respectively. Each valve cavity is provided with a slag discharge hole connected to the flow channel.

[0009] On the basis of the above solution and as a preferred solution of the above solution: the connection point between the slag discharge hole and the flow channel is located on the side of the valve plate in the medium outflow direction.

[0010] On the basis of the above solution and as a preferred solution of the above solution: a slag blowing hole connected to the outside of the valve body is provided in the valve cavity.

[0011] On the basis of the above solution and as a preferred solution of the above solution: the slag blowing hole is provided with a detachable plug.

[0012] On the basis of the above solution and as a preferred solution of the above solution: the slag blowing hole is arranged on a side away from the flow channel direction.

[0013] The utility model has the following advantages:

[0014] The valve body of the anti-blocking slide valve of the utility model is provided with a slag discharge hole connecting the valve cavity and the flow channel. During the movement of the valve plate, it can push the medium in the valve cavity and automatically push the medium in the valve cavity into the flow channel, thus truly realizing the anti-blocking of the valve.

[0015] If the medium invading the valve cavity is solid particle medium, the solid-liquid mixed medium will also reversely enter the valve cavity from the slag discharge hole to dilute the solid particle medium components in the valve cavity. There is no need to worry about the valve being stuck and failing due to excessive accumulation of solid particle medium or solid-liquid mixed medium in the valve cavity.

[0016] In addition to the above-described purposes, features and advantages, the present invention has other purposes, features and advantages. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the anti-blocking slide valve of the utility model. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the present invention are clearly and completely described below in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0019] The utility model discloses an anti-blocking slide valve, Figure 1 The cross-sectional structure of the anti-blocking slide valve shown in the figure comprises a valve body 100 and a valve plate 200. The valve body 100 is provided with a flow channel 101 that allows the flow of a medium. Opposing valve cavities 102 are provided on either side of the flow channel 101. The valve plate 200 is slidably disposed within the valve body 100 to block or open the flow channel 101. The sliding direction of the valve plate 200 is the length direction of the valve plate 200, and both ends of the length direction of the valve plate 200 extend into the valve cavity 102. Each valve cavity 102 is provided with a slag discharge hole 103 connected to the flow channel 101.

[0020] The valve body 100 of the anti-jamming slide valve of the present invention is provided with a slag discharge hole 103 connecting the valve cavity 102 and the flow channel 101. During the movement of the valve plate 200, it can push the medium in the valve cavity 102 and automatically push the medium in the valve cavity 102 into the flow channel 101, thereby truly realizing the anti-jamming of the valve.

[0021] If the medium invading the valve cavity 102 is a solid particle medium, the solid-liquid mixed medium will also reversely enter the valve cavity 102 from the slag discharge hole 103 to dilute the solid particle medium components in the valve cavity 102. There is no need to worry about excessive accumulation of solid particle medium or solid-liquid mixed medium in the valve cavity 102, causing the valve to become stuck and fail.

[0022] The connection between the slag discharge hole 103 and the flow channel 101 is located on the medium outflow direction side of the valve plate 200. That is, during automatic slag discharge, the discharge direction is to discharge the medium in the valve cavity 102 to the outflow direction end of the flow channel 101, which can achieve an application effect of easier discharge.

[0023] In order to avoid the valve being closed for a long time during use, which causes the solid particulate medium to be deposited and condensed in the valve cavity 102 and makes it difficult to automatically discharge slag, a slag blowing hole 104 connected to the outside of the valve body 100 is provided in the valve cavity 102. When necessary, the inside of the valve cavity 102 can be cleaned by blowing high-pressure gas or high-pressure liquid into the valve cavity 102 through the slag blowing hole 104.

[0024] In applications, such as Figure 1 As shown, since the valve is usually closed by pushing the through hole 201 of the valve plate 200 downward to close, solid particulate media are generally more likely to accumulate in the lower valve cavity 102. Therefore, the slag blowing hole 104 is provided on the lower valve cavity 102. Furthermore, the slag blowing hole 104 is provided on the side away from the flow channel 101, that is, on the bottom side of the valve cavity 102.

[0025] The slag blowing hole 104 is provided with a detachable plug 300 . Generally, the plug 300 is threadedly connected to the slag blowing hole 104 .

[0026] The above is only a preferred specific implementation method of the present invention, but the protection scope of the present invention is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the present invention can make equivalent replacements or changes based on the technical solution and utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. An anti-blocking slide valve, comprising a valve body (100) and a valve plate (200), wherein the valve body (100) is provided with a flow channel (101) for allowing a medium to flow, and opposite valve cavities (102) are respectively provided on both sides of the flow channel (101), and the valve plate (200) is slidably arranged inside the valve body (100) for blocking or opening the flow channel (101), wherein the sliding direction of the valve plate (200) is the length direction of the valve plate (200), and both ends of the length direction of the valve plate (200) extend into the valve cavity (102), characterized in that: Each valve cavity (102) is provided with a slag discharge hole (103) connected to the flow channel (101).

2. The anti-blocking slide valve according to claim 1, characterized in that: The connection point between the slag discharge hole (103) and the flow channel (101) is located on the medium outflow direction side of the valve plate (200).

3. The anti-blocking slide valve according to claim 1, characterized in that: A slag blowing hole (104) communicating with the outside of the valve body (100) is provided in the valve cavity (102).

4. The anti-blocking slide valve according to claim 3, characterized in that: The slag blowing hole (104) is provided with a detachable plug (300).

5. The anti-blocking slide valve according to claim 3, characterized in that: The slag blowing hole (104) is arranged on a side away from the flow channel (101).

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