Magnetic filtering device and slag removing sleeve thereof

Abstract

The utility model belongs to the field of purification equipment, and particularly relates to a magnetic filtering device and a slag removal sleeve thereof, the slag removal sleeve is of a cylindrical structure with an opening in the bottom, a plurality of pits are formed in the outer surface of the slag removal sleeve, and the depth of the pits is smaller than the thickness of the slag removal sleeve. The pits are formed in the outer surface of the slag removal sleeve, the surface area of the slag removal sleeve can be effectively increased, the quality of the iron impurities capable of being adsorbed by the slag removal sleeve is improved, the pits can provide a shelter for the iron impurities, the iron impurities are prevented from rushing into water flow due to factors such as a water hammer, meanwhile, the pits effectively reduce the wall thickness of the slag removal sleeve, and the service life of the slag removal sleeve is prolonged. Therefore, the magnetic force of the magnetic bar is amplified and the adsorption capacity is further improved.

Description

Technical Field

[0001] The present application belongs to the field of purification equipment, and more specifically, relates to a magnetic filtering device and a slag cleaning sleeve thereof. Background Art

[0002] In the prior art, magnetic filtering devices are provided with magnetic bars inside to absorb impurities such as ferrous impurities in water, thereby playing a role of magnetic filtering. CN23982098U discloses a magnetic filtering device, in which a stainless steel sheath is arranged on the outside of the magnetic bar to play a role of fixed connection, but the stainless steel sheath is easily damaged by water hammer cavitation and continuous erosion of chemical stains. At the same time, the stainless steel sheath has a smooth surface and a limited surface area, and has a poor adsorption capacity for ferrous impurities, so that the ferrous impurities are easily washed away under the impact of water hammer or instantaneous water flow, thereby affecting the filtering effect. Utility Model Content

[0003] In view of the defects or improvement needs of the prior art, the present application provides a magnetic filtering device and a slag cleaning sleeve thereof, aiming to solve the problem of poor adsorption capacity of the existing slag cleaning sleeve.

[0004] According to one aspect of the present application, a slag cleaning sleeve is provided. The slag cleaning sleeve is a cylindrical structure with an open bottom. A plurality of pits are formed on the outer surface of the slag cleaning sleeve. The depth of the pits is less than the thickness of the slag cleaning sleeve.

[0005] Through the above technical scheme conceived by the present application, compared with the prior art, since the present application has multiple pits on the outer surface of the slag cleaning sleeve, it not only effectively increases the surface area of ​​the slag cleaning sleeve, but also can reduce the wall thickness of the slag cleaning sleeve to amplify the magnetic force of the magnetic rod, thereby effectively improving the adsorption capacity of the slag cleaning sleeve.

[0006] As a further preference, the inner surface of the pit is a curved surface.

[0007] As a further preference, the pits are circular curved pits, and adjacent pits on the surface of the slag cleaning sleeve are arranged tangent to each other.

[0008] As a further preference, the slag cleaning sleeve is made of plastic, ceramic, rubber or polytetrafluoroethylene.

[0009] As a further preference, the bottom of the slag cleaning sleeve is provided with an external thread.

[0010] As a further preferred embodiment, a magnetic attraction component which is attracted to the magnetic rod is embedded in the bottom of the slag cleaning sleeve.

[0011] According to another aspect of the present application, a magnetic filtering device including the above-mentioned slag cleaning sleeve is provided.

[0012] As further preferred, the magnetic filtering device comprises:

[0013] A valve body, wherein a filter chamber is provided inside the valve body;

[0014] An end cap, the end cap being mounted at one end of the filter chamber;

[0015] A filter cover, wherein the filter cover is installed in the filter cavity;

[0016] A magnetic bar, wherein the magnetic bar is installed on the inner side of the filter cover, and one end of the magnetic bar is connected to the end cap;

[0017] The slag cleaning sleeve is detachably covered on the outer side of the magnetic rod.

[0018] As further preferred, the magnetic filtering device further includes:

[0019] A valve ball is installed in the filter cavity, a transverse flow channel is formed inside the valve ball, and an assembly hole connected to the transverse flow channel is opened at the bottom of the valve ball, and at least part of the filter cover extends from the assembly hole into the transverse flow channel of the valve ball.

[0020] As a further preference, the side of the filter cover is provided with an opening adapted to the transverse flow channel.

[0021] As a further preferred embodiment, a mounting seat is provided on the end cover, and the mounting seat includes a concentrically arranged connecting column and an annular connecting wall, the connecting column is located in the connecting wall, the magnetic rod is threadedly connected to the connecting column, and the slag cleaning sleeve is threadedly connected to the connecting wall.

[0022] In general, the above technical solutions conceived by this application have the following technical advantages compared with the prior art:

[0023] 1. The present application can effectively increase the surface area of ​​the slag cleaning sleeve by setting pits on the outer surface of the slag cleaning sleeve, thereby improving the quality of the iron impurities that can be adsorbed, and the pits can also provide a "shelter" for the iron impurities to prevent the iron impurities from being washed into the water flow due to factors such as water hammer. At the same time, the pits also effectively reduce the wall thickness of the slag cleaning sleeve, thereby amplifying the magnetic force of the magnetic rod and further improving its adsorption capacity;

[0024] 2. In particular, the present application sets the inner surface of the pit as a curved surface, so that there is no dead angle inside the pit, which is convenient for the subsequent cleaning of iron impurities. At the same time, the circular curved pits set tangent to each other can obtain the maximum surface area, further improving the adsorption capacity of iron impurities;

[0025] 3. At the same time, the slag cleaning sleeve of the present application is made of non-metallic materials such as plastic, ceramic, rubber or polytetrafluoroethylene, which has good anti-corrosion performance and can effectively resist the erosion of water hammer and chemical stains, thereby extending its service life;

[0026] 4. In addition, the present application also optimizes the installation method of the slag cleaning sleeve, which can be fixed by threading, has high stability, and can also be magnetically connected to the magnetic rod by means of an embedded iron ring, which has the advantage of simple installation. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 It is a schematic diagram of the overall structure of the slag cleaning sleeve provided in an embodiment of the present application;

[0028] Figure 2 is a cross-sectional view of a slag cleaning sleeve provided in an embodiment of the present application;

[0029] Figure 3 is a cross-sectional view of a magnetic filtering device provided in an embodiment of the present application;

[0030] Figure 4 It is a cross-sectional view of the end cover of the magnetic filtering device provided in an embodiment of the present application.

[0031] Throughout the drawings, the same reference numerals are used to denote the same elements or structures, wherein:

[0032] 1-valve body, 1.1-liquid inlet, 1.2-liquid outlet, 2-filter cover, 2.1-opening, 3-end cover, 3.1-connecting wall, 3.2-connecting column, 4-magnetic bar, 5-sealing part, 6-slag cleaning sleeve, 6.1-external thread, 6.2-pit, 7-valve ball, 8-switch part. DETAILED DESCRIPTION

[0033] In order to make the purpose, technical solution and advantages of the present application more clearly understood, the present application is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application and are not used to limit the present application.

[0034] like Figure 1 , 2 As shown, the present application provides a slag cleaning sleeve, the slag cleaning sleeve 6 is a cylindrical structure with an opening at the bottom, and the outer surface of the slag cleaning sleeve 6 is provided with a plurality of pits 6.2, and the depth of the pits 6.2 is less than the thickness of the slag cleaning sleeve 6, so as to prevent ferrous impurities from passing through the slag cleaning sleeve 6 and directly contacting the magnetic rod 4. When in use, the slag cleaning sleeve 6 is sleeved on the outside of the magnetic rod 4 in the magnetic filtering device, which can prevent ferrous impurities from being directly adsorbed on the magnetic rod 4, and then the problem of subsequent cleaning difficulties caused by the strong magnetism of the magnetic rod 4. During cleaning, the slag cleaning sleeve 6 and the magnetic rod 4 are taken out of the magnetic filtering device, and then the slag cleaning sleeve 6 is separated from the magnetic rod 4. The ferrous impurities will fall off naturally after losing the magnetic attraction of the magnetic rod 4, and the slag cleaning sleeve 6 can be cleaned with water to complete efficient slag cleaning.

[0035] The present application can effectively increase the surface area of ​​the slag cleaning sleeve 6 and improve the adsorption capacity of the slag cleaning sleeve 6 by providing a plurality of pits 6.2 on the outer surface of the slag cleaning sleeve 6, so as to enable it to adsorb more iron impurities; at the same time, the provision of the pits 6.2 can also reduce the wall thickness of the slag cleaning sleeve 6 to amplify the magnetic force of the magnetic bar, further improve the adsorption capacity of the slag cleaning sleeve 6, and increase the mass of iron impurities that it can adsorb. More importantly, the pits 6.2 on the slag cleaning sleeve 6 can provide a "shelter" for iron impurities, preventing iron impurities from being washed into the water due to water hammer and other factors in the use occasion, thereby affecting the filtering effect. Therefore, the slag cleaning sleeve provided by the present application can effectively improve the filtering effect and cleaning efficiency of the magnetic filtering device.

[0036] Furthermore, the shape of the pit 6.2 on the surface of the slag cleaning sleeve 6 can be any shape, such as a triangle, a quadrilateral, a pentagon, a hexagon, etc., or an ellipse or a circle, or a strip-shaped groove. In order to avoid the formation of a dead angle inside the pit 6.2 that affects the cleaning effect, the inner surface of the pit 6.2 is preferably a curved surface, so the pit 6.2 is preferably an elliptical curved pit or a circular curved pit.

[0037] More preferably, in one embodiment, in order to obtain the maximum surface area, the pits 6.2 are preferably circular curved pits, and adjacent pits 6.2 on the surface of the slag cleaning sleeve 6 are arranged tangently, thereby forming a "honeycomb" structure. By optimizing the shape of the pits 6.2, the surface area of ​​the slag cleaning sleeve 6 can be further increased, thereby effectively improving its adsorption capacity.

[0038] Furthermore, the material of the slag cleaning sleeve 6 can be metal materials such as stainless steel and brass, but considering that metal materials are prone to damage due to continuous erosion by water hammer cavitation and chemical stains, non-metallic materials such as plastic, ceramic, rubber or polytetrafluoroethylene are relatively more stable and can effectively prevent erosion. Therefore, the material of the slag cleaning sleeve 6 is plastic, ceramic, rubber or polytetrafluoroethylene, and plastic material is preferably used, so as to effectively extend the service life of the slag cleaning sleeve 6 and reduce the production cost of the slag cleaning sleeve 6.

[0039] Furthermore, when in use, the magnetic rod 4 and one end of the slag cleaning sleeve 6 are fixed, and when cleaning, the magnetic rod 4 and the slag cleaning sleeve 6 are pulled out from the magnetic filtering device together, and then the slag cleaning sleeve 6 is separated from the magnetic rod 4.

[0040] In one of the embodiments, in order to fix the slag cleaning sleeve 6, an external thread 6.1 can be set at the bottom thereof, so that the slag cleaning sleeve 6 can be fixed by threaded connection. This connection method is relatively reliable and effective, and can prevent the slag cleaning sleeve 6 from being displaced by the impact of water flow. However, the slag cleaning sleeve needs to be rotated and taken out each time it is cleaned, and the process is relatively complicated.

[0041] In another embodiment, in order to simplify the cleaning process, a magnetic attraction piece that is attracted to the magnetic rod 4 can be embedded inside the bottom of the slag cleaning sleeve 6, so that it is connected to the magnetic rod 4 through magnetism to achieve fixation. When cleaning, the slag cleaning sleeve 6 only needs to be pulled out, which effectively simplifies the cleaning process. However, this connection method is easily affected by the impact of water flow and causes displacement, and its stability is relatively poor compared to the threaded connection. The magnetic attraction piece is a block structure or an annular structure. When the magnetic attraction piece is a block structure, the number of magnetic attraction pieces is preferably more than two, and each magnetic attraction piece is arranged at intervals along the circumferential direction to increase the magnetic attraction between the slag cleaning sleeve 6 and the magnetic rod 4, and ensure that the slag cleaning sleeve 6 and the magnetic rod 4 fit tightly; when the magnetic attraction piece is an annular structure, the magnetic attraction between the slag cleaning sleeve 6 and the magnetic rod 4 is further increased, thereby further improving the stability of the slag cleaning sleeve 6.

[0042] like Figure 3 As shown, according to another aspect of the present application, a magnetic filtering device including the above-mentioned slag cleaning sleeve is provided, and the magnetic filtering device can be any magnetic filtering device that uses a magnetic rod structure to adsorb ferrous impurities, including but not limited to a ball valve, a filter, etc. At the same time, the magnetic filtering device can be applied to any liquid pipeline, including but not limited to a water system, a chemical liquid system, etc., for filtering the liquid introduced.

[0043] In a preferred embodiment of the present application, the magnetic filtering device comprises:

[0044] A valve body 1, wherein a filter chamber is provided inside the valve body 1, and a liquid inlet 1.1 and a liquid outlet 1.2 are provided on the valve body 1. During filtration, liquid enters from the liquid inlet 1.1, and flows out from the liquid outlet 1.2 after impurities are filtered out in the filter chamber;

[0045] An end cover 3 is installed at one end of the filter chamber, and a sealing member 5 is provided between the end cover 3 and the filter chamber to seal the valve body 1;

[0046] The filter cover 2 is installed in the filter cavity and is used to filter the macromolecular impurities in the liquid;

[0047] A magnetic rod 4, which is installed on the inner side of the filter cover 2, and one end of the magnetic rod 4 is connected to the end cover 3, and is used to adsorb iron impurities in the liquid. The magnetic rod 4 and the end cover 3 can be fixedly connected or detachably connected by threads;

[0048] The slag cleaning sleeve 6 is disposed on the outside of the magnetic rod 4 and is detachably connected to the end cover 3 , so that the ferrous impurities adhere to the slag cleaning sleeve 6 to avoid direct contact with the magnetic rod 4 .

[0049] During filtration, the filter cover 2 is first used to filter the macromolecular impurities in the liquid, and then the magnetic bar 4 is used to magnetically adsorb the iron impurities in the liquid and make them adhere to the slag cleaning sleeve 6. During cleaning, the end cover 3 with the slag cleaning sleeve 6 and the magnetic bar 4 installed is taken out from the magnetic filtering device, and then the slag cleaning sleeve 6 is separated from the magnetic bar 4. The iron impurities will fall off naturally because they lose the adsorption of the magnetic bar 4, and the efficient slag cleaning can be completed by washing with water, and the slag cleaning can be reset after the slag cleaning is completed.

[0050] In one embodiment, the magnetic filter device is a ball valve, and the magnetic filter device further comprises:

[0051] A valve ball 7 is installed in the filter chamber, a transverse flow channel is formed inside the valve ball 7, and an assembly hole connected to the transverse flow channel is provided at the bottom of the valve ball 7, at least part of the filter cover 2 extends from the assembly hole into the transverse flow channel of the valve ball, and a groove is provided on the top of the valve ball 7 for fixing the filter cover 2. In a preferred embodiment, at least part of the magnetic rod 4 and the slag cleaning sleeve 6 also extend from the assembly hole into the transverse flow channel of the valve ball, thereby further improving the adsorption capacity of the magnetic rod 4 for ferrous impurities in water, and in order to ensure the water output of the magnetic filter device, the top of the magnetic rod 4 and the slag cleaning sleeve 6 are arranged at a certain distance from the top of the filter cover 2;

[0052] The switch member 8 extends into the interior of the valve body 1 and is connected to the valve ball 7. When working, the switch member 8 drives the valve ball 7 to rotate to control the opening and closing of the transverse flow channel.

[0053] Further, if Figure 4 As shown, a mounting seat is provided on the end cover 3 for detachably fixing the magnetic rod 4 and the slag cleaning sleeve 6, and the mounting seat includes a concentrically arranged connecting column 3.2 and an annular connecting wall 3.1, the connecting column 3.2 is located inside the connecting wall 3.1, and the connecting column 3.2 is provided with an external thread, and a blind hole is provided at the bottom of the magnetic rod 4, and an internal thread is provided inside the blind hole, so that the magnetic rod 4 is threadedly connected to the connecting column 3.2; the connecting wall 3.1 is provided with an internal thread, and the slag cleaning sleeve 6 is provided with an external thread 6.1, so that the slag cleaning sleeve 6 is threadedly connected to the connecting wall 3.1. If the slag cleaning sleeve 6 is connected to the magnetic rod 4 through an embedded magnetic suction piece, the connecting wall 3.1 may not be provided with an internal thread.

[0054] Furthermore, an opening 2.1 adapted to the transverse flow channel is provided on the side of the filter cover 2, and the opening 2.1 faces the direction of the liquid inlet 1.1 and is directly opposite to the liquid inlet 1.1, thereby increasing the water intake of the magnetic filter device.

[0055] It should be understood that expressions such as "include" and "may include" used in this application indicate the existence of the disclosed functions, operations or constituent elements, and do not limit one or more additional functions, operations and constituent elements. In this application, terms such as "include" and / or "have" may be interpreted as indicating specific characteristics, numbers, operations, constituent elements, components or combinations thereof, but may not be interpreted as excluding the existence or possibility of adding one or more other characteristics, numbers, operations, constituent elements, components or combinations thereof.

[0056] It should be understood that the terms "center", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.

[0057] In this application, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0058] It will be easily understood by those skilled in the art that the above description is only a preferred embodiment of the present application and is not intended to limit the present application. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present application shall be included in the scope of protection of the present application.

Claims

1. A slag cleaning sleeve, characterized in that: The slag cleaning sleeve (6) is a cylindrical structure with an open bottom, and a plurality of pits (6.2) are formed on the outer surface of the slag cleaning sleeve (6), the depth of the pits (6.2) is less than the thickness of the slag cleaning sleeve (6), and the pits (6.2) are circular curved pits with curved inner surfaces, and adjacent pits (6.2) on the surface of the slag cleaning sleeve (6) are arranged tangent to each other.

2. The slag cleaning sleeve according to claim 1, characterized in that: The slag cleaning sleeve (6) is made of plastic, ceramic, rubber or polytetrafluoroethylene.

3. The slag cleaning sleeve according to claim 1 or 2, characterized in that: The bottom of the slag cleaning sleeve (6) is provided with an external thread (6.1).

4. The slag cleaning sleeve according to claim 1 or 2, characterized in that: A magnetic attraction component which is attracted to the magnetic rod (4) is embedded in the bottom of the slag cleaning sleeve (6).

5. A magnetic filtering device, characterized in that: It comprises the slag cleaning sleeve as claimed in any one of claims 1 to 4.

6. The magnetic filtering device according to claim 5, characterized in that: The magnetic filtering device comprises: A valve body (1), wherein a filter chamber is provided inside the valve body (1); An end cover (3), the end cover (3) being mounted at one end of the filter chamber; A filter cover (2), wherein the filter cover (2) is installed in the filter cavity; A magnetic rod (4), wherein the magnetic rod (4) is installed on the inner side of the filter cover (2), and one end of the magnetic rod (4) is connected to the end cover (3); The slag cleaning sleeve (6) is detachably covered on the outside of the magnetic bar (4).

7. The magnetic filtering device according to claim 6, characterized in that: The magnetic filtering device also includes: A valve ball (7) is installed in the filter cavity, a transverse flow channel is formed inside the valve ball (7), and a mounting hole communicating with the transverse flow channel is provided at the bottom of the valve ball (7), and at least a portion of the filter cover (2) extends from the mounting hole into the transverse flow channel of the valve ball.

8. The magnetic filtering device according to claim 7, characterized in that: An opening (2.1) adapted to the transverse flow channel is provided on the side of the filter cover (2).

9. The magnetic filtering device according to claim 6, characterized in that: The end cover is provided with a mounting seat, the mounting seat comprising a concentrically arranged connecting column (3.2) and an annular connecting wall (3.1), the connecting column (3.2) is located inside the connecting wall (3.1), the magnetic rod (4) is threadedly connected to the connecting column (3.2), and the slag cleaning sleeve (6) is threadedly connected to the connecting wall (3.1).

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