PTFE filter bag for chemical dust removal

Abstract

The utility model relates to the technical field of PTFE filter bags, and provides a PTFE filter bag for chemical dust removal, which comprises a fixed frame and a support skeleton, a through groove penetrates through the inside of the fixed frame, and a sealing structure is fixed at the top of the fixed frame on one side of the through groove. The sealing structure is arranged, the sealing ring drives the rubber base to move into the containing groove, the sealing ring is pressed, the rubber base drives the rubber strip to move into the clamping groove, then the sealing ring and the fixing frame are mutually clamped and fixed, the cavity is formed in the sealing ring, the fixing frame is moved to the bottom end of the installation base, and therefore the sealing ring and the fixing frame are fixed. Under the action of the cavity, the sealing ring deforms, then the sealing ring moves into the placing groove and abuts against the bottom end of the mounting base, under the action of the sealing ring, the sealing performance between the fixing frame and the mounting base is enhanced, gas leakage is prevented, and the function that the device is convenient to seal is achieved; therefore, the applicability of the PTFE filter bag for chemical dust removal in use is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of PTFE filter bags, in particular to a PTFE filter bag for chemical dust removal. Background Art

[0002] PTFE filter bag is a kind of filter bag made of polytetrafluoroethylene as the main raw material. PTFE filter bag is a high-performance material with many excellent properties, such as high temperature resistance, corrosion resistance, anti-adhesion, anti-static, etc. Due to these excellent properties, PTFE filter bag has a wide range of applications in industrial production and is suitable for various complex and harsh filtering environments. Therefore, a PTFE filter bag for chemical dust removal is used;

[0003] To this end, the patent with announcement number CN219596143U discloses a PTFE filter bag for chemical dust removal, which relates to the field of dust removal and purification technology. The utility model includes a filter mechanism, the surface of the filter mechanism is provided with a support mechanism that drives the filter mechanism to be propped up, and the surface of the support mechanism is provided with a push mechanism that adjusts the support angle of the support mechanism. The utility model drives the PTFE filter bag to be propped up or folded by pushing two groups of support plates to rotate, so as to facilitate the stable fixation of the folded filter mechanism, and by pushing the slider to slide inside the slide groove and adjust it to the appropriate position, the slider is released so that the magnet is tightly adsorbed and fixed to the surface of the support plate, and the slider is limited. The tension spring on the slider pushes the two groups of support plates to spread each other apart, thereby propping up the filter mechanism, and by connecting the hanging belt to the hanging rod, the support plate drives the filter mechanism to maintain a fully expanded state, thereby avoiding a small contact area between the filter bag and the exhaust gas, which affects the filter bag's efficiency in filtering the exhaust gas.

[0004] The above-mentioned PTFE filter bag for chemical dust removal allows the support plate to drive the filter mechanism to remain in a fully expanded state during use, thereby avoiding a small contact area between the filter bag and the exhaust gas, which affects the filter bag's efficiency in filtering the exhaust gas. However, it is inconvenient to seal during use, and it is inconvenient to ensure the sealing between the fixed frame and the mounting seat, which makes it inconvenient to prevent gas leakage, making it less suitable for use. Utility Model Content

[0005] The utility model aims to provide a PTFE filter bag for chemical dust removal, so as to solve the defect that the existing PTFE filter bag for chemical dust removal is inconvenient to seal.

[0006] In order to solve the above technical problems, the utility model provides the following technical solutions: a PTFE filter bag for chemical dust removal, comprising a fixing frame and a supporting frame;

[0007] A through groove is passed through the interior of the fixing frame, and a sealing structure is fixed to the top of the fixing frame on one side of the through groove. The sealing structure includes a sealing ring, a groove, a placement groove, a rubber seat and a rubber strip. The placement groove is opened in the interior of the fixing frame on one side of the through groove, and the interior of the placement groove is provided with a rubber seat. Rubber strips are evenly fixed on both sides of the rubber seat, and a sealing ring is fixed to the top of the rubber seat. Grooves are opened in the interior of the fixing frame on both sides of the sealing ring.

[0008] A support frame is fixed to the bottom end of the fixing frame, a filter bag body is sleeved on the outer side of the support frame, and a reinforcement layer is provided on the inner side of the bottom of the filter bag body;

[0009] A fixing structure is installed on the outer side of the top of the filter bag body.

[0010] When using the device, the sealing structure is provided to achieve the function of facilitating sealing of the device, thereby improving the applicability of the PTFE filter bag for chemical dust removal during use; the fixing structure is provided to achieve the function of facilitating fixing of the device, thereby improving the convenience of the PTFE filter bag for chemical dust removal during use; and the reinforcing layer is provided to extend the service life of the PTFE filter bag for chemical dust removal during use.

[0011] Preferably, mounting holes are evenly penetrated at the edge of the fixing frame, and the bottom end of the support frame contacts the inner side wall of the reinforcement layer. The reinforcement layer is actually a polyester fiber layer, which has high strength and chemical corrosion resistance and can withstand greater pressure and wear.

[0012] Preferably, the top end of the sealing ring extends to the outside of the fixing frame, and a cavity is provided inside the sealing ring. The sealing ring drives the rubber seat to move into the placement groove, and the sealing ring is pressed, so that the rubber seat drives the rubber strip to move into the engaging groove, thereby engaging and securing the sealing ring and the fixing frame. The fixing frame is moved to the bottom end of the mounting seat through the cavity provided inside the sealing ring.

[0013] Preferably, a snap-fit ​​groove is formed inside the fixing frame on one side of the rubber strip, and the rubber strip and the fixing frame form a snap-fit ​​structure through the snap-fit ​​groove. Under the action of the cavity, the sealing ring is deformed, and then the sealing ring moves into the placement groove and contacts the bottom end of the mounting seat. Under the action of the sealing ring, the sealing between the fixing frame and the mounting seat is enhanced to prevent gas leakage.

[0014] Preferably, the top of the filter bag body is fitted with the bottom of the fixing frame, and the reinforcing layer is actually a polyester fiber layer. Under the action of the reinforcing layer, the filter bag body maintains a good filtering effect in long-term use, and improves the strength and durability of the fixing structure.

[0015] Preferably, the fixing structure includes a first clamp, a fixing bolt, a second clamp, and a silicone pad. The first clamp is provided on one side of the top of the filter bag body, and the second clamp is provided on the other side of the top of the filter bag body. Fixing bolts penetrate both ends of the first and second clamps, and silicone pads are fixed to the inner sidewalls of the first and second clamps. The filter bag body is sleeved on the outside of the support frame. With the support of the support frame, the filter bag body is kept in a fully expanded state. The first clamp is moved to one side of the top of the filter bag body, and the second clamp is moved to the other side of the top of the filter bag body.

[0016] Preferably, the first and second clamps are fixedly connected by fixing bolts, and the inner sidewall of the silicone pad abuts against the outer sidewall of the filter bag body. The fixing bolts secure the first and second clamps to each other, thereby securing the filter bag body and the support frame to each other. The silicone pad enhances the sealing effect between the filter bag body and the support frame.

[0017] The utility model provides a PTFE filter bag for chemical dust removal, which has the following advantages:

[0018] By providing a sealing structure, the sealing ring drives the rubber seat to move to the inside of the placement groove, and the sealing ring is pressed, so that the rubber seat drives the rubber strip to move to the inside of the clamping groove, thereby making the sealing ring and the fixing frame clamped and fixed to each other. A cavity is provided inside the sealing ring, and the fixing frame is moved to the bottom end of the mounting seat. Under the action of the cavity, the sealing ring is deformed, thereby making the sealing ring move to the inside of the placement groove and conflict with the bottom end of the mounting seat. Under the action of the sealing ring, the sealing between the fixing frame and the mounting seat is enhanced to prevent gas leakage, thereby realizing the function of facilitating sealing of the device, thereby improving the applicability of the PTFE filter bag for chemical dust removal when in use;

[0019] By providing a fixing structure, the filter bag body is sleeved on the outside of the support frame. Under the support of the support frame, the filter bag body is kept in a fully expanded state. The first holding hoop is moved to one side of the top of the filter bag body, and the second holding hoop is moved to the other side of the top of the filter bag body. The first holding hoop and the second holding hoop are fixed to each other by fixing bolts, thereby fixing the filter bag body and the support frame to each other. Under the action of the silicone pad, the sealing effect between the filter bag body and the support frame is enhanced, and the function of facilitating the fixing of the device is realized, thereby improving the convenience of using the PTFE filter bag for chemical dust removal.

[0020] By providing a reinforcement layer, which is actually a polyester fiber layer, it has high strength and chemical corrosion resistance, and can withstand greater pressure and wear. Under the action of the reinforcement layer, the filter bag body maintains a good filtering effect in long-term use, and improves the strength and durability of the fixed structure, thereby extending the service life of the PTFE filter bag for chemical dust removal. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0022] Figure 2 This is a schematic diagram of the main cross-sectional structure of the utility model;

[0023] Figure 3 For the utility model Figure 2 A in the middle is an enlarged structural diagram;

[0024] Figure 4 This is a three-dimensional structural diagram of the fixed structure of the utility model;

[0025] Figure 5 It is a schematic diagram of the cross-sectional three-dimensional structure of the utility model.

[0026] Explanation of the reference numerals in the figure: 1. Fixing frame; 2. Sealing structure; 201. Sealing ring; 202. Groove; 203. Placement groove; 204. Rubber seat; 205. Rubber strip; 3. Support frame; 4. Filter bag body; 5. Through groove; 6. Fixing structure; 601. First clamp; 602. Fixing bolt; 603. Second clamp; 604. Silicone pad; 7. Reinforcement layer. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0028] See also Figure 1-Figure 5The utility model provides a PTFE filter bag for chemical dust removal, including a fixing frame 1 and a supporting frame 3. The interior of the fixing frame 1 is penetrated by a through groove 5. A sealing structure 2 is fixed to the top of the fixing frame 1 on one side of the through groove 5. The sealing structure 2 includes a sealing ring 201, a groove 202, a placement groove 203, a rubber seat 204 and a rubber strip 205. The placement groove 203 is opened in the interior of the fixing frame 1 on one side of the through groove 5. The interior of the placement groove 203 is set in the rubber seat 204. Rubber strips are evenly fixed on both sides of the rubber seat 204. 205. A sealing ring 201 is fixed to the top of the rubber seat 204. Grooves 202 are provided inside the fixed frame 1 on both sides of the sealing ring 201. The top of the sealing ring 201 extends to the outside of the fixed frame 1. A cavity is provided inside the sealing ring 201. A snap-fit ​​groove is provided inside the fixed frame 1 on one side of the rubber strip 205. The rubber strip 205 and the fixed frame 1 form a snap-fit ​​structure through the snap-fit ​​groove. Mounting holes are evenly penetrated at the edge of the fixed frame 1. The bottom end of the support frame 3 conflicts with the inner wall of the reinforcement layer 7.

[0029] Reference Figure 2 and Figure 3 As shown, the sealing ring 201 drives the rubber seat 204 to move into the placement groove 203, and the sealing ring 201 is pressed, so that the rubber seat 204 drives the rubber strip 205 to move into the clamping groove, thereby making the sealing ring 201 and the fixed frame 1 clamped and fixed to each other. A cavity is provided inside the sealing ring 201, and the fixed frame 1 is moved to the bottom end of the mounting seat. Under the action of the cavity, the sealing ring 201 is deformed, and then the sealing ring 201 is moved into the placement groove 203 and conflicts with the bottom end of the mounting seat. Under the action of the sealing ring 201, the sealing between the fixed frame 1 and the mounting seat is enhanced to prevent gas leakage.

[0030] A supporting frame 3 is fixed to the bottom end of the fixing frame 1, and a filter bag body 4 is sleeved on the outside of the supporting frame 3. A reinforcing layer 7 is provided on the inner side of the bottom of the filter bag body 4, and a fixing structure 6 is installed on the outside of the top of the filter bag body 4. The fixing structure 6 includes a first clamping hoop 601, a fixing bolt 602, a second clamping hoop 603 and a silicone pad 604. The first clamping hoop 601 is arranged on one side of the top of the filter bag body 4, and a second clamping hoop 603 is provided on the other side of the top of the filter bag body 4. The first clamping hoop 601 and the second clamping hoop 603 are penetrated by fixing bolts 602 at both ends. The inner side walls of the first clamping hoop 601 and the second clamping hoop 603 are fixed with silicone pads 604. The first clamping hoop 601 and the second clamping hoop 603 are fixedly connected by fixing bolts 602. The inner side wall of the silicone pad 604 conflicts with the outer side wall of the filter bag body 4, and the top of the filter bag body 4 fits with the bottom end of the fixing frame 1. The reinforcing layer 7 is actually a polyester fiber layer.

[0031] Reference Figure 4 and Figure 5As shown, the filter bag body 4 is put on the outside of the support frame 3. Under the support of the support frame 3, the filter bag body 4 is kept in a fully expanded state, the first clamp 601 is moved to one side of the top of the filter bag body 4, and the second clamp 603 is moved to the other side of the top of the filter bag body 4. The first clamp 601 and the second clamp 603 are fixed to each other by the fixing bolts 602, thereby fixing the filter bag body 4 and the support frame 3 to each other. Under the action of the silicone pad 604, the sealing effect between the filter bag body 4 and the support frame 3 is enhanced. The reinforcing layer 7 is actually a polyester fiber layer, which has high strength and chemical corrosion resistance, and can withstand greater pressure and wear. Under the action of the reinforcing layer 7, the filter bag body 4 maintains a good filtering effect during long-term use, and the strength and durability of the fixing structure 6 are improved.

[0032] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A PTFE filter bag for chemical dust removal, comprising a fixing frame (1) and a supporting frame (3); Its characteristics are: A through groove (5) is passed through the interior of the fixing frame (1); a sealing structure (2) is fixed to the top of the fixing frame (1) on one side of the through groove (5); the sealing structure (2) comprises a sealing ring (201), a groove (202), a placement groove (203), a rubber seat (204) and a rubber strip (205); the placement groove (203) is provided inside the fixing frame (1) on one side of the through groove (5); the interior of the placement groove (203) is provided with a rubber seat (204); rubber strips (205) are evenly fixed on both sides of the rubber seat (204); a sealing ring (201) is fixed to the top of the rubber seat (204); and grooves (202) are provided inside the fixing frame (1) on both sides of the sealing ring (201); A support frame (3) is fixed to the bottom end of the fixed frame (1), a filter bag body (4) is sleeved on the outside of the support frame (3), and a reinforcement layer (7) is provided on the inside of the bottom of the filter bag body (4); A fixing structure (6) is installed on the outer side of the top of the filter bag body (4).

2. A PTFE filter bag for chemical dust removal according to claim 1, characterized in that: Mounting holes are evenly penetrated at the edge positions inside the fixing frame (1), and the bottom end of the supporting frame (3) is in conflict with the inner side wall of the reinforcement layer (7).

3. A PTFE filter bag for chemical dust removal according to claim 1, characterized in that: The top end of the sealing ring (201) extends to the outside of the fixing frame (1), and a cavity is provided inside the sealing ring (201).

4. A PTFE filter bag for chemical dust removal according to claim 1, characterized in that: A snap-fitting groove is provided inside the fixing frame (1) on one side of the rubber strip (205), and the rubber strip (205) and the fixing frame (1) form a snap-fitting structure through the snap-fitting groove.

5. A PTFE filter bag for chemical dust removal according to claim 1, characterized in that: The top end of the filter bag body (4) is in contact with the bottom end of the fixing frame (1), and the reinforcing layer (7) is actually a polyester fiber layer.

6. A PTFE filter bag for chemical dust removal according to claim 1, characterized in that: The fixing structure (6) comprises a first clamp (601), a fixing bolt (602), a second clamp (603) and a silicone pad (604), wherein the first clamp (601) is arranged on one side of the top of the filter bag body (4), and the second clamp (603) is arranged on the other side of the top of the filter bag body (4), and the fixing bolts (602) are passed through both ends of the first clamp (601) and the second clamp (603), and the inner side walls of the first clamp (601) and the second clamp (603) are fixed with silicone pads (604).

7. A PTFE filter bag for chemical dust removal according to claim 6, characterized in that: The first clamp (601) and the second clamp (603) are fixedly connected by a fixing bolt (602), and the inner side wall of the silica gel pad (604) is in contact with the outer side wall of the filter bag body (4).

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