Pneumatic wear-resistant ash discharging ball valve

Abstract

The utility model discloses a pneumatic wear-resistant ash discharging ball valve which comprises a valve body, a transmission shaft sleeve is connected to the inner wall of the valve body in a clamped mode, a valve ball is connected to the inner wall of the valve body in a clamped mode, the bottom face of the transmission shaft sleeve is fixedly connected with the outer surface of the valve ball, and an alloy composite layer is fixedly connected to the outer surface of the valve ball. And the outer surface of the alloy composite layer is fixedly connected with a ceramic coating. Good abrasion resistance is provided through the alloy composite layer and the ceramic coating on the outer surface of the valve ball, scouring and abrasion of ash discharging material particles to the surface of the valve ball can be resisted, the stable performance of the valve ball in long-term operation can be kept, continuous and reliable ash discharging operation is guaranteed, the stability of a whole production system is improved, and the production cost is reduced. Materials passing through the ball valve are filtered in cooperation with the filter sleeve, the coarse filter screen in the filter sleeve can intercept large-particle impurities, the fine filter screen further filters small-particle impurities, the impurities are prevented from entering the valve body, and then abrasion and damage to the valve ball are reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of ball valve, especially pneumatic wear -resisting type unloading ash ball valve. BACKGROUND

[0002] Ball valve (ball valve in the field of marine engineering and ship should be stop valve), standard GB / T21465-2008 'valve terminology' defines as: the opening and closing part (ball) is driven by the valve stem, and rotates around the ball valve axis movement valve. It can also be used for the regulation and control of fluid, wherein hard sealing V type ball valve has very strong shearing force between V type ball core and hardfacing hard alloy metal valve seat, and is especially suitable for medium containing fiber, micro solid particles etc. And multi-pass ball valve can not only flexibly control the flow of medium, flow distribution and flow direction switching on the pipeline, but also can close any channel and make the other two channels connected, and the valve should be generally installed horizontally in the pipeline, ball valve classification: pneumatic ball valve, electric ball valve, manual ball valve, with the rapid development of ball valve science and technology, the continuous improvement of production process and product structure.

[0003] In today's industrial production field, unloading ash operation as one of the key and indispensable link, for the smooth operation of the whole production process and the guarantee of production efficiency plays a vital role, and the conventional unloading ash ball valve in the long-term practical application process, in terms of wear resistance, because unloading ash operation involves a large number of powder, granular material flow and scouring frequently, ordinary material composition of ball valve parts, such as ball, valve seat, etc., when facing the friction of these materials for a long time, often wear faster, not only will lead to the sealing performance of ball valve gradually decline, but also will greatly shorten the service life of ball valve, increase the replacement frequency of equipment, bring additional economic burden and production interruption risk to enterprises, for this purpose, we propose the pneumatic wear -resisting type unloading ash ball valve to solve the above problems. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing pneumatic wear -resisting type unloading ash ball valve to solve the problems in the above background technology.

[0005] In order to realize the above object, the utility model provides the following technical scheme:

[0006] The utility model provides a pneumatic wear -resisting type unloading ball valve, including the inner wall of valve body, the inner wall of valve body is clamped with transmission shaft sleeve, the inner wall of valve body is clamped with valve ball, the bottom surface of transmission shaft sleeve is fixedly connected with the outer surface of valve ball, the outer surface of valve ball is fixedly connected with alloy composite layer, the outer surface of alloy composite layer is fixedly connected with ceramic coating, the left side of valve body and the right side of valve body are all fixedly connected with flange, the inner wall of valve body is opened with clamping groove, the inner wall of clamping groove is clamped with filter sleeve, the inner wall of filter sleeve is fixedly connected with coarse filter screen, the inner wall of filter sleeve is fixedly connected with fine filter screen, the inner wall of valve body is screwed with locating coil, the left side of locating coil and the right side of filter sleeve are in contact.

[0007] In further embodiments, the bottom surface of the valve body is fixedly connected with a support seat, the bottom surface of the support seat is fixedly connected with a base, and the bottom surface of the base is fixedly connected with a positioning plate.

[0008] In further embodiments, the front surface and the back surface of the positioning plate are each fixedly connected with two mounting blocks, and the upper surface of each mounting block is provided with a mounting hole.

[0009] In further embodiments, the bottom surface of the positioning plate is provided with a mounting groove, the inner wall of the mounting groove is fixedly connected with an anti-skid pad, and the material of the anti-skid pad is rubber.

[0010] In further embodiments, the upper surface of the transmission shaft sleeve is fixedly connected with a handle.

[0011] In further embodiments, the back surface of the valve body is fixedly connected with a product parameter label, and the front surface of the product parameter label is fixedly connected with the back surface of the valve body.

[0012] Compared with the prior art, the utility model has the beneficial effects that:

[0013] The alloy composite layer and the ceramic coating on the outer surface of the valve ball provide good wear resistance, can resist the scouring and wear of the valve ball surface by the particles of the unloading material, can keep the valve ball stable in long-term operation, ensure the continuous and reliable operation of the unloading operation, improve the stability of the entire production system, filter the material passing through the ball valve with the filter sleeve, intercept larger impurities with the coarse filter screen in the filter sleeve, further filter smaller impurities with the fine filter screen, avoid the impurities from entering the valve body, reduce the direct contact between the impurities and the valve ball, and further reduce the wear and damage to the valve ball, thereby prolonging the service life of the valve ball. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a perspective structural schematic view of the pneumatic wear -resisting type unloading ball valve.

[0015] Figure 2It is a rear perspective view of the three-dimensional structure diagram of the pneumatic wear-resistant type ash discharge ball valve.

[0016] Figure 3 It is a rear perspective view of the three-dimensional structure diagram of the pneumatic wear-resistant type ash discharge ball valve.

[0017] Figure 4 It is a rear perspective view of the three-dimensional structure diagram of the pneumatic wear-resistant type ash discharge ball valve. Figure 3 It is an enlarged schematic view of structure at A.

[0018] In the figure: 1, positioning plate; 2, mounting block; 3, mounting hole; 4, base; 5, support seat; 6, valve body; 7, flange; 8, transmission shaft sleeve; 9, handle; 10, clamping groove; 11, filter sleeve; 12, mounting groove; 13, non-slip pad; 14, product parameter mark; 15, positioning coil; 16, valve ball; 17, ceramic coating; 18, alloy composite layer; 19, coarse filter screen; 20, fine filter screen. DETAILED DESCRIPTION

[0019] In the description of the present application, it is understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second" and the like are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features limited by "first", "second" and the like can be explicitly or implicitly included one or more. In the description of the present application, unless otherwise specified, the meaning of "a plurality of" is two or more.

[0020] In the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the present application can be understood through specific circumstances.

[0021] The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the drawings in the embodiments of the present utility model. Obviously, the described embodiments are only part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative work fall within the scope of the present utility model.

[0022] Please refer to Figures 1-4 In the present utility model, the pneumatic wear-resistant dust discharging ball valve, including the valve body 6, the inner wall of valve body 6 is clamped with transmission shaft sleeve 8, the inner wall of valve body 6 is clamped with valve ball 16, the bottom surface of transmission shaft sleeve 8 is fixedly connected with the outer surface of valve ball 16, the outer surface of valve ball 16 is fixedly connected with alloy composite layer 18, the outer surface of alloy composite layer 18 is fixedly connected with ceramic coating 17, the left side surface of valve body 6 and the right side surface of valve body 6 are fixedly connected with flange 7, the inner wall of valve body 6 is provided with clamping groove 10, the inner wall of clamping groove 10 is clamped with filter sleeve 11, the inner wall of filter sleeve 11 is fixedly connected with coarse filter screen 19, the inner wall of filter sleeve 11 is fixedly connected with fine filter screen 20, the inner wall of valve body 6 is threadedly connected with locating coil 15, the left side surface of locating coil 15 is in contact with the right side surface of filter sleeve 11, the alloy composite layer 18 and ceramic coating 17 on the outer surface of valve ball 16 provide good wear resistance, can resist the scouring and wear of the surface of valve ball 16 by dust discharging material particles, cooperate with filter sleeve 11 to filter the material passing through the ball valve, coarse filter screen 19 in filter sleeve 11 can intercept larger particle impurities, fine filter screen 20 further filters smaller particle impurities, avoids impurities entering valve body 6, thereby reducing the wear and damage of valve ball 16, greatly prolongs the service life of valve ball 16.

[0023] The bottom surface of valve body 6 is fixedly connected with support seat 5, the bottom surface of support seat 5 is fixedly connected with base 4, the bottom surface of base 4 is fixedly connected with locating plate 1, the locating plate 1 can provide support for valve body 6, the front surface of locating plate 1 and the back surface of locating plate 1 are fixedly connected with two mounting blocks 2, the upper surface of each mounting block 2 is provided with mounting hole 3, the mounting block 2 and mounting hole 3 can fix the equipment, the bottom surface of locating plate 1 is provided with mounting groove 12, the inner wall of mounting groove 12 is fixedly connected with anti-skid pad 13, the material of anti-skid pad 13 is rubber, the anti-skid pad 13 can improve the stability of the equipment.

[0024] The upper surface of transmission shaft sleeve 8 is fixedly connected with handle 9, the handle 9 can facilitate the opening and closing of valve body 6 by the staff, the back surface of valve body 6 is fixedly connected with product parameter mark 14, the front surface of product parameter mark 14 is fixedly connected with the back surface of valve body 6, the product parameter mark 14 can improve the recognition of the equipment.

[0025] The working principle of the present utility model is:

[0026] In use, first of all, the device is moved to the use site arrangement, then the filter sleeve 11 is clamped in the valve body 6 through the clamping slot 10, and then the positioning coil 15 is screwed into the valve body 6, so that it is in close contact with the right side of the filter sleeve 11, the fixation of the filter sleeve 11 is completed, hold the handle 9 when opening, rotate the transmission shaft sleeve 8 to drive the valve ball 16 to rotate, so that the channel on the valve ball 16 is aligned with the pipeline connected by the flange 7 on both sides of the valve body 6, the material starts to be unloaded through the ball valve, the alloy composite layer 18 and the ceramic coating 17 on the outer surface of the valve ball 16 provide good wear resistance during the process, which can resist the erosion and wear of the material particles on the surface of the valve ball 16, cooperate with the filter sleeve 11 to filter the material passing through the ball valve, the coarse filter screen 19 in the filter sleeve 11 can intercept larger impurities, and the fine filter screen 20 further filters smaller impurities, avoids impurities entering the valve body 6, and further reduces the wear and damage to the valve ball 16, when closing, reverse rotate the handle 9, so that the valve ball 16 is rotated to the solid part to block the channel in the valve body 6, and the unloading is stopped.

[0027] It is obvious for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be regarded as exemplary and non-limiting, and the scope of the present application is defined by the appended claims rather than the above description, and it is intended to include all changes falling within the meaning and scope of the equivalent elements of the claims. Any reference signs in the claims should not be regarded as limiting the claims involved.

[0028] In addition, it should be understood that although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description of the specification is only for the sake of clarity, and those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can be properly combined to form other embodiments that those skilled in the art can understand.

Claims

1. A pneumatic wear-resistant ash discharge ball valve, characterized in that: The valve body (6) includes a valve body (6), a transmission shaft sleeve (8) is fitted to the inner wall of the valve body (6), a valve ball (16) is fitted to the inner wall of the valve body (6), the bottom surface of the transmission shaft sleeve (8) is fixedly connected to the outer surface of the valve ball (16), an alloy composite layer (18) is fixedly connected to the outer surface of the valve ball (16), a ceramic coating (17) is fixedly connected to the outer surface of the alloy composite layer (18), and the left side and right side of the valve body (6) are connected to each other. All are fixedly connected with flanges (7). The inner wall of the valve body (6) is provided with a groove (10). The inner wall of the groove (10) is fitted with a filter sleeve (11). The inner wall of the filter sleeve (11) is fixedly connected with a coarse filter screen (19). The inner wall of the filter sleeve (11) is fixedly connected with a fine filter screen (20). The inner wall of the valve body (6) is threaded with a positioning screw (15). The left side of the positioning screw (15) is in contact with the right side of the filter sleeve (11).

2. The pneumatic wear-resistant ash discharge ball valve according to claim 1, characterized in that: The bottom surface of the valve body (6) is fixedly connected to a support base (5), the bottom surface of the support base (5) is fixedly connected to a base (4), and the bottom surface of the base (4) is fixedly connected to a positioning plate (1).

3. The pneumatic wear-resistant ash discharge ball valve according to claim 2, characterized in that: Two mounting blocks (2) are fixedly connected to the front and back of the positioning plate (1), and each mounting block (2) has a mounting hole (3) on its upper surface.

4. The pneumatic wear-resistant ash discharge ball valve according to claim 2, characterized in that: The bottom surface of the positioning plate (1) is provided with an installation groove (12), and an anti-slip pad (13) is fixedly connected to the inner wall of the installation groove (12). The anti-slip pad (13) is made of rubber.

5. The pneumatic wear-resistant ash discharge ball valve according to claim 1, characterized in that: A throttle (9) is fixedly connected to the upper surface of the drive shaft sleeve (8).

6. The pneumatic wear-resistant ash discharge ball valve according to claim 1, characterized in that: The back of the valve body (6) is fixedly connected to a product parameter label (14), and the front of the product parameter label (14) is fixedly connected to the back of the valve body (6).

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