Waste gas treatment equipment for metal surface treatment
By introducing a purification solution and a flexible filter screen into the metal surface treatment equipment, combined with a motor-driven winding mechanism, the problem of filter screen clogging is solved, achieving automatic cleaning and efficient filtration, and improving the operating efficiency of the equipment.
Patent Information
- Application Number
- CN202520223585.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-12
- Publication Date
- 2026-01-30
- Estimated Expiration
- 2035-02-12
AI Technical Summary
In existing metal surface treatment processes, the filters in the filtration equipment are prone to clogging, resulting in poor treatment of harmful gases and difficulty in cleaning.
A waste gas treatment device was designed, comprising a purification solution, a flexible filter screen, a wire mesh plate, a filter cotton plate, and an activated carbon plate. After preliminary filtration by the purification solution, the flexible filter screen filters again. The filter screen is automatically cleaned of impurities by a motor-driven winding mechanism, thus achieving automatic cleaning of the filter screen.
It improves gas filtration efficiency, simplifies the filter cleaning process, and ensures the continuous and efficient operation of the equipment.
Smart Images
Figure CN223846571U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to waste gas treatment technical field, concretely is a waste gas treatment equipment for metal surface treatment. BACKGROUND
[0002] Metal surface treatment is the treatment process and technology that through forming a layer with the different mechanical, physical and chemical properties of parent material on the surface of metal material to meet the wear resistance, corrosion resistance, decorative or other special function requirements of product required;
[0003] In the process of metal surface treatment, sometimes harmful gas is produced, the existing treatment method is mostly directly into the filter equipment to the harmful gas produced, carries out the filtration to harmful gas through the filter screen in the filter equipment, then discharges the filtered gas again, but the filter screen in the filter equipment is easy to be blocked by impurities after using for a period of time, harmful gas is difficult to pass through the filter screen quickly, and the filter screen is relatively troublesome to clean up, thereby affecting the treatment effect of harmful gas. UTILITY MODEL CONTENTS
[0004] (I) the technical problem solved
[0005] In view of the deficiencies of prior art, the utility model provides a waste gas treatment equipment for metal surface treatment, solves the problem that the filter screen in the filter equipment is not convenient to automatically clean when filtering the harmful gas produced in the metal surface treatment.
[0006] (II) technical scheme
[0007] In order to realize the purpose that the filter screen in the filter equipment is convenient to automatically clean when filtering the harmful gas produced in the metal surface treatment, the utility model provides the following technical scheme: a waste gas treatment equipment for metal surface treatment, including the cabinet, the inside of cabinet is provided with purification solution, the left end of cabinet is fixed with pump body, the pump body is fixed with air inlet pipe, the inside of air inlet pipe is provided with check valve, the right end of cabinet is fixed with discharge pipe, the discharge pipe is provided with discharge valve, the top of cabinet is provided with cover plate, the cover plate is fixed with air outlet pipe, the inner wall of cabinet upside is opened with ladder groove, the inside of ladder groove is provided with steel wire mesh plate, filter cotton plate and activated carbon plate;
[0008] The upper motor is fixed on the right side of the cabinet, the lower motor is fixed on the left side of the cabinet, the output end of the upper motor is fixed with an upper lead screw, the output end of the lower motor is fixed with a lower lead screw, a rectangular upper recess is formed on the inner wall of the cabinet, a rectangular lower recess is formed on the inner wall of the cabinet, an upper winding frame is slidably arranged in the upper recess, a lower winding frame is slidably arranged in the lower recess, a winding motor is fixed in the upper winding frame and the lower winding frame, an upper winding shaft is fixed to the output end of the winding motor on one side of the upper winding frame, a lower winding shaft is fixed to the output end of the winding motor on one side of the lower winding frame, and a flexible filter screen is arranged between the upper winding shaft and the lower winding shaft.
[0009] Preferably, the two ends of the flexible filter screen are wound on the upper winding shaft and the lower winding shaft respectively.
[0010] Preferably, the upper winding shaft is located in the upper winding frame, the lower winding shaft is located in the lower winding frame, and the side surface of the upper winding frame and the lower winding frame is provided with a through opening, and the flexible filter screen penetrates through the through opening and is in contact with the through opening.
[0011] Preferably, the upper winding frame and the lower winding frame are in straight line shape, the front end and the rear end of the upper winding frame are slidably connected with the upper recess at the front and rear positions, and the front end and the rear end of the lower winding frame are slidably connected with the lower recess at the front and rear positions.
[0012] Preferably, the upper lead screw penetrates through the upper winding frame and is threadedly connected with the upper winding frame, the lower lead screw penetrates through the lower winding frame and is threadedly connected with the lower winding frame, the end of the upper lead screw away from the upper motor is rotatably connected with the inner wall of the upper recess, and the end of the lower lead screw away from the lower motor is rotatably connected with the inner wall of the lower recess.
[0013] Preferably, the steel wire mesh plate, the filter cotton plate and the activated carbon plate are arranged from bottom to top, and the steel wire mesh plate, the filter cotton plate and the activated carbon plate are fixedly connected with the stepped recess through the inner hexagonal bolts.
[0014] Preferably, the air inlet pipe extends into the interior of the purification solution.
[0015] Preferably, the upper recess is located above the purification solution.
[0016] Compared with the prior art, the metal surface treatment waste gas treatment equipment has the following beneficial effects:
[0017] 1. The metal surface treatment waste gas treatment equipment, harmful gas generated during metal surface treatment is introduced into the purification solution through the air inlet pipe and the pump body, the gas is preliminarily filtered through the purification solution, and the gas is filtered again through the flexible filter screen, the gas continues to move upwards after passing through the flexible filter screen, and the gas is more thoroughly filtered again through the steel wire mesh plate, the filter cotton plate and the activated carbon plate, so that the filtering effect of the gas is improved.
[0018] 2. The metal surface treatment waste gas treatment equipment, the upper winding frame is driven to move from left to right through the upper lead screw, the lower winding frame is driven to move from right to left through the lower lead screw, the upper winding shaft can release the flexible filter screen, the lower winding shaft can wind the flexible filter screen, the flexible filter screen is inclined from left to right and from bottom to top, so that the upper surface of the flexible filter screen moves to the lower side, the upper surface of the flexible filter screen moves to the upper side, the gas moving upwards in the case will pass through the flexible filter screen again, so that the gas moving upwards can blow the flexible filter screen, and the impurities on the flexible filter screen will fall to the right lower corner along the flexible filter screen, when the flexible filter screen is inclined from left to right and from top to bottom again, the impurities on the flexible filter screen will be shaken off into the purification solution, so that the purpose of automatically cleaning the flexible filter screen is achieved. BRIEF DESCRIPTION OF DRAWINGS
[0019] Figure 1 It is a structure schematic view of the utility model;
[0020] Figure 2 It is a structure flexible filter screen bottom surface filtering schematic view of the utility model;
[0021] Figure 3 It is a structure flexible filter screen upper surface schematic view of the utility model;
[0022] Figure 4 It is a structure upper winding frame horizontal sectional view of the utility model;
[0023] Figure 5 It is a structure of the utility model Figure 4 A local enlarged schematic view of the structure.
[0024] 1, case; 2, purification solution; 3, air inlet pipe; 4, check valve; 5, pump body; 6, discharge pipe; 7, discharge valve; 8, cover plate; 9, air outlet pipe; 10, stepped groove; 11, steel wire mesh plate; 12, filter cotton plate; 13, activated carbon plate; 14, upper motor; 15, lower motor; 16, upper lead screw; 17, lower lead screw; 18, upper groove; 19, lower groove; 20, upper winding frame; 21, lower winding frame; 22, winding motor; 23, upper winding shaft; 24, lower winding shaft; 25, flexible filter screen. DETAILED DESCRIPTION
[0025] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative efforts belong to the scope of the present application. In the description of the present application, it should be noted that the orientations or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and thus cannot be understood as indicating or implying that the device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus cannot be understood as a limitation on the present application; the terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance; in addition, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connecting" should be understood in a broad sense, for example, can be fixed connection, can also be detachable connection, or integrally connected; can be mechanical connection, can also be electrical connection; can be directly connected, can also be indirectly connected through an intermediate medium, and can be the communication between two elements. For those skilled in the art, the specific meanings of the above terms in the present application can be understood according to the specific circumstances.
[0026] Please refer to Figures 1-5 The utility model provides a kind of waste gas treatment equipment for metal surface treatment, including cabinet 1, the inside of cabinet 1 is provided with purification solution 2, the left end of cabinet 1 is fixed with pump body 5, air inlet pipe 3 is fixed on pump body 5, one-way valve 4 is provided in the inside of air inlet pipe 3, the right end of cabinet 1 is fixed with discharge pipe 6, discharge valve 7 is provided on discharge pipe 6, the top of cabinet 1 is provided with cover plate 8, air outlet pipe 9 is fixed on cover plate 8, ladder groove 10 is opened on the inner wall upper side of cabinet 1, steel wire mesh plate 11, filter cotton plate 12 and activated carbon plate 13 are provided in the inside of ladder groove 10;
[0027] The upper motor 14 is fixed on the right side of the cabinet 1, the lower motor 15 is fixed on the left side of the cabinet 1, the output end of the upper motor 14 is fixed with the upper lead screw 16, the output end of the lower motor 15 is fixed with the lower lead screw 17, the upper recess 18 is arranged on the inner wall of the cabinet 1, the lower recess 19 is arranged on the inner wall of the cabinet 1, the upper winding frame 20 is slidably arranged in the upper recess 18, the lower winding frame 21 is slidably arranged in the lower recess 19, the winding motor 22 is fixed in the upper winding frame 20 and the lower winding frame 21, the output end of the winding motor 22 on one side of the upper winding frame 20 is fixed with the upper winding shaft 23, the output end of the winding motor 22 on one side of the lower winding frame 21 is fixed with the lower winding shaft 24, the flexible filter screen 25 is arranged between the upper winding shaft 23 and the lower winding shaft 24, the harmful gas generated during the metal surface treatment can be introduced into the purification solution 2 through the air inlet pipe 3 and the pump body 5, and the one-way valve 4 can prevent the purification solution 2 from flowing back to the air inlet pipe 3, so that the gas can be preliminarily filtered.
[0028] Further, the two ends of the flexible filter screen 25 are wound on the upper winding shaft 23 and the lower winding shaft 24, respectively, so that the flexible filter screen 25 can be released or wound by the upper winding shaft 23 and the lower winding shaft 24.
[0029] Further, the upper winding shaft 23 is located in the upper winding frame 20, the lower winding shaft 24 is located in the lower winding frame 21, the side surface of the upper winding frame 20 and the lower winding frame 21 is provided with a through hole, the flexible filter screen 25 penetrates through the through hole and is in contact with the through hole, and in the process of releasing or winding the flexible filter screen 25 by the upper winding shaft 23 and the lower winding shaft 24, the impurities on the flexible filter screen 25 can be completely scraped off through the through hole of the upper winding frame 20 and the lower winding frame 21, so that the impurities cannot enter the upper winding frame 20 and the lower winding frame 21.
[0030] Further, the upper winding frame 20 and the lower winding frame 21 are in straight line shape, the front and rear ends of the upper winding frame 20 are slidably connected with the upper recess 18 at the front and rear positions, and the front and rear ends of the lower winding frame 21 are slidably connected with the lower recess 19 at the front and rear positions, so that the upper winding frame 20 can be guided in the left and right directions by the upper recess 18, and the lower winding frame 21 can be guided in the left and right directions by the lower recess 19.
[0031] Further, the upper lead screw 16 penetrates through the upper winding frame 20 and is threadedly connected with the upper winding frame 20, the lower lead screw 17 penetrates through the lower winding frame 21 and is threadedly connected with the lower winding frame 21, the end of the upper lead screw 16 away from the upper motor 14 is rotatably connected with the inner wall of the upper recess 18, and the end of the lower lead screw 17 away from the lower motor 15 is rotatably connected with the inner wall of the lower recess 19, so that the upper winding frame 20 can be moved in the left and right directions by the upper lead screw 16, and the lower winding frame 21 can be moved in the left and right directions by the lower lead screw 17.
[0032] Furthermore, the wire mesh plate 11, filter cotton plate 12, and activated carbon plate 13 are arranged from bottom to top. The wire mesh plate 11, filter cotton plate 12, and activated carbon plate 13 are fixedly connected to the stepped groove 10 by hexagonal bolts, so that the gas can be filtered again through the wire mesh plate 11, filter cotton plate 12, and activated carbon plate 13.
[0033] Furthermore, the air inlet pipe 3 extends into the interior of the purification solution 2, so that harmful gases generated during metal surface treatment can be introduced into the purification solution 2 through the air inlet pipe 3 and the pump body 5.
[0034] Furthermore, the upper groove 18 is located above the purification solution 2 to prevent the purification solution 2 from entering the interior of the lower winding frame 21 when the lower winding frame 21 moves.
[0035] During use, harmful gases generated during metal surface treatment are introduced into the purification solution 2 through the air inlet pipe 3 and pump body 5. The one-way valve 4 prevents the purification solution 2 from flowing back into the air inlet pipe 3. After the gas mixes with the purification solution 2, bubbles are generated. These bubbles float to the surface of the purification solution 2, break, and the gas rises to the top, as shown in the instruction manual. Figure 2 As shown, the flexible filter 25 is tilted to the upper left and lower right. When the gas rises, it first contacts the bottom surface of the flexible filter 25 and is filtered by it. The filtered impurities remain on the bottom surface of the flexible filter 25. After passing through the flexible filter 25, the gas continues to move upward and is further filtered more thoroughly by the wire mesh plate 11, the filter cotton plate 12, and the activated carbon plate 13 before being discharged through the exhaust pipe 9. This improves the filtration effect. In addition, when it is necessary to clean the impurities on the flexible filter 25, please refer to the instructions attached. Figure 3As shown, the upper motor 14 drives the upper lead screw 16 to drive the upper winding frame 20 to move from left to right, the lower motor 15 drives the lower lead screw 17 to drive the lower winding frame 21 to move from right to left, and the winding motor 22 arranged in the upper winding frame 20 and the lower winding frame 21 is started to drive the upper winding shaft 23 and the lower winding shaft 24 to rotate, so that the upper winding shaft 23 can release the flexible filter screen 25, and the lower winding shaft 24 can wind the flexible filter screen 25, at this time, the flexible filter screen 25 is inclined from left to right, so that the upper surface of the flexible filter screen 25 moves to the lower side, and the upper surface of the flexible filter screen 25 moves to the upper side, when the gas continues to flow into the cabinet 1, the gas in the cabinet 1 moves upward and passes through the flexible filter screen 25 again, so that the upward moving gas blows the flexible filter screen 25, and the impurities on the flexible filter screen 25 fall to the lower right corner along the flexible filter screen 25, when the flexible filter screen 25 is inclined from left to right again, the impurities on the flexible filter screen 25 are shaken off into the purification solution 2, so as to achieve the purpose of automatically cleaning the flexible filter screen 25, and finally the discharge valve 7 is opened to discharge the purification solution 2 and the impurities in the purification solution 2 through the discharge pipe 6.
[0036] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.
Claims
1. An exhaust gas treatment apparatus for metal surface treatment, comprising a casing (1), characterized by: The inside of the case (1) is provided with a purification solution (2), the left end of the case (1) is fixedly provided with a pump body (5), the pump body (5) is fixedly provided with an air inlet pipe (3), the inside of the air inlet pipe (3) is provided with a one-way valve (4), the right end of the case (1) is fixedly provided with a discharge pipe (6), the discharge pipe (6) is provided with a discharge valve (7), the top end of the case (1) is provided with a cover plate (8), the cover plate (8) is fixedly provided with an air outlet pipe (9), the inside wall of the case (1) is provided with a stepped groove (10), the inside of the stepped groove (10) is provided with a steel mesh plate (11), a filter cotton plate (12) and an activated carbon plate (13). The upper side of the right side of the case (1) is fixedly provided with an upper motor (14), the lower side of the left side of the case (1) is fixedly provided with a lower motor (15), the output end of the upper motor (14) is fixedly provided with an upper lead screw (16), the output end of the lower motor (15) is fixedly provided with a lower lead screw (17), the upper wall of the case (1) is provided with a rectangular upper groove (18), the lower wall of the case (1) is provided with a rectangular lower groove (19), the inside of the upper groove (18) is slidably provided with an upper winding frame (20), the inside of the lower groove (19) is slidably provided with a lower winding frame (21), the inside of the upper winding frame (20) and the lower winding frame (21) is fixedly provided with a winding motor (22), the output end of the winding motor (22) on one side of the upper winding frame (20) is fixedly provided with an upper winding shaft (23), the output end of the winding motor (22) on one side of the lower winding frame (21) is fixedly provided with a lower winding shaft (24), the upper winding shaft (23) and the lower winding shaft (24) are provided with a flexible filter screen (25).
2. The exhaust gas treatment apparatus for metal surface treatment according to claim 1, characterized by: The two ends of the flexible filter screen (25) are wound on the upper winding shaft (23) and the lower winding shaft (24) respectively.
3. The exhaust gas treatment apparatus for metal surface treatment according to claim 1, characterized by: The upper winding shaft (23) is located in the inside of the upper winding frame (20), the lower winding shaft (24) is located in the inside of the lower winding frame (21), the side surface of the upper winding frame (20) and the lower winding frame (21) is provided with a through hole, the flexible filter screen (25) penetrates through the through hole and is in contact with the through hole.
4. The exhaust gas treatment apparatus for metal surface treatment according to claim 1, characterized by: The upper winding frame (20) and the lower winding frame (21) are in straight line shape, the front and rear ends of the upper winding frame (20) are slidably connected with the upper groove (18) at the front and rear positions, the front and rear ends of the lower winding frame (21) are slidably connected with the lower groove (19) at the front and rear positions.
5. The exhaust gas treatment apparatus for metal surface treatment according to claim 1, characterized by: The upper lead screw (16) penetrates through the upper winding frame (20) and is threadedly connected with the upper winding frame (20), the lower lead screw (17) penetrates through the lower winding frame (21) and is threadedly connected with the lower winding frame (21), the end of the upper lead screw (16) away from the upper motor (14) is rotatably connected with the inner wall of the upper groove (18), the end of the lower lead screw (17) away from the lower motor (15) is rotatably connected with the inner wall of the lower groove (19).
6. The exhaust gas treatment apparatus for metal surface treatment according to claim 1, characterized by: The steel wire mesh plate (11), the filter cotton plate (12) and the activated carbon plate (13) are arranged from bottom to top, and the steel wire mesh plate (11), the filter cotton plate (12) and the activated carbon plate (13) are fixedly connected with the stepped groove (10) through the internal hexagonal bolt.
7. The exhaust gas treatment apparatus for metal surface treatment according to claim 1, characterized by: The air inlet pipe (3) extends into the interior of the purification solution (2).
8. The exhaust treatment device for metal surface treatment according to claim 1, characterized by: The upper groove (18) is located above the purification solution (2).