Method for manufacturing high-efficiency ash discharging plastic-burned pleated filter cartridge

Abstract

The application relates to a high-efficiency ash-discharging plastic-burning pleated filter cartridge manufacturing method, which comprises a framework, an upper circular cover, a lower square round-corner cover and a pleated filter screen. The framework is a galvanized rhombic net, the upper part is a cylindrical body, the lower part is a conical body and presents a state of expanding towards the bottom and the periphery at the same time, the upper part and the lower part are integrally formed to form a keel structure of a round top and a square bottom. The cylindrical body and the conical body structure of the framework are stretched by a die. The two ends of the framework are respectively fixed on the upper circular cover and the lower square round-corner cover of the pleated filter cartridge. The pleated filter screen is a high-molecular filter screen, which is composed of an upper cylindrical body and a lower conical body and forms a connected corrugated roller. After the framework and the filter screen are sleeved, the framework is placed in a sintering furnace for heating, the filter screen is softened and connected to the lower square round-corner cover, and after cooling, the filter screen and the two ends of the framework are bonded and solidified on the upper and lower covers. The upper and lower ends of the conical inner cavity are small end parts and large end parts, which are beneficial to super-clean dust gas discharge.

Description

TECHNICAL FIELD

[0001] The present application belongs to the field of environmental protection and dust removal, and particularly relates to a manufacturing method of a high-efficiency plastic-sintered pleated filter cartridge for dust unloading made of high-molecular plastic sintered material. BACKGROUND

[0002] The currently used non-woven fabric pleated filter cartridge has a short service life, and the fibers on the filter cartridge can fall into the dust, so that the cleanliness of the recovered dust in this part is too poor to reach the value of recycling and utilization and is wasted. In addition, the outer part of the non-woven fabric pleated filter cartridge is affected by the strengthening protection of the steel wire gauze, so that the dust in the outer cavity of the filter cartridge cannot be smoothly cleaned out of the cartridge body, causing the dust to accumulate on the surface of the cartridge body day after day, which seriously affects the dust removal efficiency and service life of the filter cartridge.

[0003] Chinese Patent No. CN201810204766.X is an invention patent of the applicant, and is named as: sintered filter screen with sterilization channel capable of being freely bent and formed and manufacturing method thereof. The sintered filter screen has a W-shaped V-shaped structure at the front and back, can be arbitrarily bent according to the streamline arrangement to fully adapt to the line profile in fluid mechanics, reduces the air flow resistance, and the left and right side end faces can be provided for gluing and adhesion to extend the length, increase the filtering area, facilitate installation, and facilitate arbitrary bending and connection according to the profile line of the fluid mechanics in the purification tank.

[0004] In view of this, the researchers in this field are committed to developing a plastic-sintered pleated filter cartridge for dust unloading made of high-molecular plastic sintered material to fill the work blank in the fields of dust removal and dust recycling such as 3D printing, gas turbine, special coating and welding dust. SUMMARY

[0005] The present application provides a manufacturing method of a high-efficiency plastic-sintered pleated filter cartridge for dust unloading made of high-molecular plastic sintered material, wherein the filter screen is made of high-molecular plastic sintered material, the pleated filter cartridge has a connecting skeleton, the upper part of the skeleton is in a cylindrical shape, the lower part of the skeleton is in a conical shape and presents a state of expanding towards the bottom and the surrounding, the upper part and the lower part of the skeleton are integrally formed to form a dragon bone structure of a round sky and a round earth, the two ends of the skeleton are respectively fixed on the upper round cover and the lower square round corner cover of the pleated filter cartridge, a drum-shaped high-molecular filter screen is arranged in the skeleton, the working surface of the conical inner cavity body and the outer working surface have the same taper, the conical inner cavity body is an import part, the two ends of the conical inner cavity body are a large end part and a small end part, respectively, a micro-vibrator is installed in the lower square round corner cover of the pleated filter cartridge to make the filter cartridge unloading more effective and faster, the dust gas after treatment can reach the super-clean emission, and the dust can be efficiently unloaded, removed and recycled, thereby solving the problems existing in the prior art.

[0006] The technical solution of the present application is as follows:

[0007] A manufacturing method of a high-efficiency ash-discharging plastic-burned pleated filter cartridge, which comprises a framework, an upper circular cover, a lower square round-corner cover and a pleated filter screen;

[0008] The framework is made of a galvanized diamond net, the upper part of the framework is in a cylindrical shape, the lower part of the framework is in a conical shape and presents a state of expanding towards the bottom and the periphery, the upper part and the lower part of the framework are integrally formed, forming a keel structure of a round top and a square bottom, and the cylindrical shape and the conical shape of the framework are stretched by a mold.

[0009] The two ends of the framework are respectively fixed on the upper circular cover and the lower square round-corner cover of the pleated filter cartridge, the upper circular cover has a surrounding edge and a central through hole, and the lower square round-corner cover is a square cover body, the corner part of the square cover body is in a round-corner shape, and a micro-vibrator is arranged in the lower square round-corner cover.

[0010] The pleated filter screen is a high-molecular filter screen made of a high-molecular plastic sintering material, which is composed of an upper cylindrical body and a lower conical body, the inner cavity of the cylindrical body and the conical body has a plurality of two working surfaces arranged at opposite angles, the plurality of two working surfaces are connected to form a corrugated shape, and a connected cylinder of a corrugated cylindrical body and a corrugated conical body is formed, the cross-section connection of the filter screen is formed by embedding and connecting the two ends of the filter screen to form a coiled cylinder through a coiled pipe process, and a socket is sleeved on the outside of the corrugated cylindrical filter element, and the coiled cylinder connection is formed by gluing and embedding.

[0011] The pleated filter screen is arranged in the framework to form a coiled cylindrical high-molecular filter screen, after the sleeve connection of the framework and the high-molecular filter screen is completed, the sleeve connection is placed in a sintering furnace for heating, the heating temperature makes the high-molecular filter screen soften and adhere to the lower square round-corner cover, after cooling, the filter screen and the two ends of the framework are respectively adhered and solidified on the upper circular cover and the lower square round-corner cover by polyurethane glue, and finally the high-efficiency ash-discharging plastic-burned pleated filter cartridge is formed.

[0012] A pipe is installed on the lower square round-corner cover at the bottom of the pleated filter cartridge.

[0013] A grounding copper wire is arranged in the pipe, and the grounding copper wire is connected to a copper wire grounding interface.

[0014] The opening degree of the pleated filter screen of the conical body of the lower part of the framework is increased by 10%-20% than the opening degree of the pleated filter screen of the cylindrical body of the upper part of the framework.

[0015] The working surface and the outer working surface of the conical inner cavity of the pleated filter screen have the same taper.

[0016] The upper end and the lower end of the conical inner cavity of the pleated filter screen are respectively a small end and a large end.

[0017] The conical inner cavity of the pleated filter screen is an inlet part of the pleated filter cartridge.

[0018] This invention relates to a method for manufacturing a high-efficiency ash-removing plastic-bonded filter cartridge made of polymer plastic sintered material. The filter screen is made of polymer plastic sintered material with patent number CN201810204766.X and is a polymer plastic sintered filter screen. The cross-section of the filter screen is connected by a rolling process to interlock the two ends to form a roll. The socket sleeve is fitted on the outside of the corrugated cylindrical filter element and glued and inlaid to form a roll connection.

[0019] The high-efficiency dust-discharging plastic-coated pleated filter cartridge of this invention has a connecting frame. The upper part of the frame is cylindrical, and the lower part is conical, expanding outwards and towards the bottom. The upper and lower parts of the frame are integrally formed, creating a keel structure with a round top and a square bottom. The two ends of the frame are fixed to the upper round cover and the lower square rounded corner cover of the pleated filter cartridge, respectively. A rolled polymer filter screen is installed inside the frame. The working surface of the conical inner cavity has the same taper as the outer working surface. The conical inner cavity is the inlet section. The pleated filter cartridge is installed in an inverted conical shape during operation, with the two ends of the conical inner cavity being the large end and the small end, which facilitates dust and gas discharge. A micro-vibrator is installed inside the lower square rounded corner cover of the pleated filter cartridge, making dust discharge more efficient and faster.

[0020] The high-efficiency ash-discharging plastic-bonded filter cartridge manufactured according to the method of this invention is easy to install and has the functions of durability and reusability. The dust gas treated by this high-efficiency ash-discharging plastic-bonded filter cartridge can achieve ultra-clean emission, and can efficiently discharge ash, remove dust, and recycle dust. It provides a new option for dust removal in 3D printing systems, gas turbines, special coatings, and welding fumes, and has broad application value. Attached Figure Description

[0021] Figure 1 This is a schematic diagram of the main structure of a high-efficiency ash-discharging plastic-bonded pleated filter cartridge manufactured according to the method of the present invention.

[0022] Figure 2 Is according to Figure 1 The top view of the pleated filter cartridge shown.

[0023] Figure 3 yes Figure 1 The first oblique perspective view of the pleated filter cartridge shown.

[0024] Figure 4 yes Figure 1 The second oblique perspective view of the pleated filter cartridge shown.

[0025] Figure label:

[0026] 1 is the frame, 2 is the upper round cover, 3 is the lower square rounded corner cover, 4 is the pleated filter screen, 5 is the connecting pipe, 6 is the grounding copper wire, 7 is the copper wire grounding interface, and 8 is the miniature vibrator. DETAILED DESCRIPTION

[0027] The application will be described in detail below with reference to the accompanying drawings and examples.

[0028] Referring to Figures 1 to 4 The application provides a method for manufacturing a high-efficiency ash-discharging plastic-burned pleated filter cartridge, which mainly comprises a framework 1, an upper circular cover 2, a lower square round-cornered cover 3, and a pleated filter screen 4.

[0029] The framework 1 is made of a galvanized diamond-shaped net, the upper part of the framework is in a cylindrical shape, the lower part of the framework is in a conical shape and expands towards the bottom and the periphery. The upper part and the lower part of the framework are integrally formed, forming a round-bottomed keel structure. The cylindrical shape and the conical shape of the framework 1 are stretched by a mold.

[0030] The two ends of the framework 1 are respectively fixed on the upper circular cover 2 and the lower square round-cornered cover 3 of the pleated filter cartridge. The upper circular cover 2 has a surrounding edge and a central through hole, and the lower square round-cornered cover 3 is a square cover body, the corners of which are round, and a micro-vibrator 8 is arranged inside the lower square round-cornered cover 3.

[0031] The pleated filter screen 4 is a high-molecular filter screen made of high-molecular plastic sintered material. The filter screen is composed of an upper cylindrical body and a lower conical body. The inner cavities of the cylindrical body and the conical body have a plurality of two working surfaces arranged at opposite angles. The plurality of two working surfaces are connected to each other to form a corrugated shape, forming a connected cylinder of a corrugated cylindrical body and a corrugated conical body. The working surfaces and the outer working surfaces of the inner cavity of the conical body of the pleated filter screen 4 have the same taper. The cross-section connection of the filter screen is formed by rolling the two ends of the filter screen into a roll cylinder through a pipe rolling process. The socket sleeve is sleeved outside the corrugated cylindrical filter element, and the roll cylinder connection is formed by gluing and inlaying.

[0032] The pleated filter screen 4 is arranged in the framework 1 to form a roll-cylinder-shaped high-molecular filter screen. After the framework and the high-molecular filter screen are connected, they are placed in a sintering furnace for heating. The heating temperature is determined according to the standard that the high-molecular filter screen is softened and adheres to the lower square round-cornered cover, so that the high-molecular filter screen can be connected to the lower square round-cornered cover 3. After cooling, the filter screen and the framework are respectively adhered and solidified on the upper circular cover 2 and the lower square round-cornered cover 3 by polyurethane glue, and finally a high-efficiency ash-discharging plastic-burned pleated filter cartridge is formed.

[0033] The lower square round-cornered cover 3 at the bottom of the pleated filter cartridge is provided with a connecting pipe 5. A grounding copper wire 6 is arranged in the connecting pipe 5, the grounding copper wire 6 is connected to a copper wire grounding interface 7, and the copper wire grounding interface 7 is an installation interface for eliminating static electricity. The copper wire grounding interface 7 can be provided with a circular interface and a rectangular interface.

[0034] The opening degree of the conical filter screen 4 at the lower part of the skeleton 1 is increased by 10%-20% than that of the cylindrical filter screen 4 at the upper part of the skeleton 1, which is beneficial to the dust discharge at the bottom of the pleated filter cartridge.

[0035] The conical inner cavity of the pleated filter screen 4 is the inlet part of the pleated filter cartridge. The installation position of the pleated filter cartridge in the working state is in the shape of an inverted cone. The upper and lower ends of the conical inner cavity of the pleated filter screen 4 are the small end and the large end respectively, which is beneficial to the discharge of dust gas. The micro-vibrator 8 is installed inside the lower square round corner cover 3 of the pleated filter cartridge, which makes the dust discharge of the filter cartridge more effective and faster.

[0036] In summary, the high-efficiency dust-discharge plastic-burning pleated filter cartridge manufactured by the method of the present application is easy to install, has the functions of long-term durability and repeated use. The dust gas treated by the high-efficiency dust-discharge plastic-burning pleated filter cartridge can achieve ultra-clean emission, and can effectively discharge dust, remove dust and recycle dust, which provides a new option for the dust removal of 3D printing operation system, gas turbine, special coating and welding smoke, and has wide application value.

[0037] Of course, those skilled in the art should recognize that the above embodiments are only used to illustrate the present application, and are not used as a limitation to the present application. Any changes, modifications, etc. of the above embodiments within the scope of the spirit of the present application will fall within the scope of the claims of the present application.

Claims

1. A method for manufacturing a high-efficiency ash-discharging plastic-coated pleated filter cartridge, characterized in that: The high-efficiency ash-discharging plastic pleated filter cartridge includes a frame (1), an upper round cover (2), a lower square rounded corner cover (3), and a pleated filter screen (4). The skeleton (1) is made of galvanized diamond mesh. The upper part of the skeleton is cylindrical and the lower part is conical, and it expands towards the bottom and outwards. The upper part and the lower part of the skeleton are integrally formed to form a keel structure with a round top and a square bottom. The cylindrical and conical structures of the skeleton (1) are stretched using a mold. The skeleton (1) is fixed at both ends to the upper round cover (2) and the lower square round corner cover (3) of the pleated filter cartridge. The upper round cover (2) has a rim and a central through hole. The lower square round corner cover (3) is a square cover with rounded corners. The lower square round corner cover (3) is equipped with a micro vibrator (8). The pleated filter screen (4) is a polymer filter screen made of polymer plastic sintering material. The filter screen consists of an upper cylinder and a lower cone. The inner cavity of the cylinder and the cone has several working surfaces arranged at relative angles. The several working surfaces are connected to each other to form a corrugated shape, forming a corrugated cylinder and a corrugated cone integrated cylinder. The cross-section of the filter screen is connected by the tube rolling process, which interlocks the two ends to form a roll. The socket sleeve is fitted on the outside of the corrugated cylinder filter element and glued and inlaid to form a roll connection. The pleated filter screen (4) is set inside the frame (1) to form a rolled polymer filter screen. After the frame and the polymer filter screen are connected, they are placed in a sintering furnace and heated. The heating temperature softens the polymer filter screen and makes it fit the lower square rounded corner cover (3). After cooling, the filter screen and the two ends of the frame are bonded and cured with polyurethane glue to the upper round cover (2) and the lower square rounded corner cover (3) respectively, and finally a high-efficiency ash-removing plastic sintered pleated filter cylinder is formed.

2. The method for manufacturing a high-efficiency ash-discharging plastic-coated pleated filter cartridge according to claim 1, characterized in that: A connecting pipe (5) is installed on the lower square rounded corner cover (3) at the bottom of the pleated filter cartridge.

3. The method for manufacturing a high-efficiency ash-discharging plastic-coated pleated filter cartridge according to claim 2, characterized in that: A grounding copper wire (6) is installed inside the pipe (5), and the grounding copper wire (6) is connected to the copper wire grounding interface (7).

4. The method for manufacturing a high-efficiency ash-discharging plastic-coated pleated filter cartridge according to claim 1, characterized in that: The pleat opening of the conical pleated filter screen (4) at the lower part of the frame (1) is 10%-20% larger than that of the cylindrical pleated filter screen (4) at the upper part of the frame (1).

5. The method for manufacturing a high-efficiency ash-discharging plastic-coated pleated filter cartridge according to claim 1, characterized in that: The working surface of the conical inner cavity of the pleated filter (4) has the same taper as the outer working surface.

6. The method for manufacturing a high-efficiency ash-discharging plastic-coated pleated filter cartridge according to claim 1, characterized in that: The upper and lower ends of the conical inner cavity of the pleated filter (4) are the small end and the large end, respectively.

7. The method for manufacturing a high-efficiency ash-discharging plastic-coated pleated filter cartridge according to claim 1, characterized in that: The conical inner cavity of the pleated filter screen (4) is the inlet part of the pleated filter cartridge.

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