High-temperature-resistant PTFE filter bag

Abstract

The utility model relates to the technical field of filter bags, and provides a high-temperature-resistant PTFE filter bag which comprises a supporting assembly, the supporting assembly comprises a base, a limiting ring, an air guide pipe and an air guide groove, the air guide groove is formed in the base, the air guide pipe is fixed at the top end of the base on the outer side of the air guide groove, and the limiting ring is fixed at the edge position of the top end of the base. By arranging the limiting structure, the PTFE filter bag body is arranged on the outer side of the supporting structure in a sleeving mode, then the inner side of the clamping plate is attached to the top of the PTFE filter bag body, the clamping rod is inserted into the reserved groove, then the clamping plate is pressed to enable the clamping rod and the top plate to be in interference clamping connection through the reserved groove, and the PTFE filter bag body can be fixed to the outer side of the vertical frame through the clamping plate; and then the limiting cover and the clamping plate are in threaded connection, so that the clamping plate is prevented from falling off, the fixing stability is improved, the function of conveniently fixing the PTFE filter bag body is achieved, and the stability of the high-temperature-resistant PTFE filter bag in use is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of filter bags, in particular to a high-temperature resistant PTFE filter bag. Background Art

[0002] With the rapid development of modern industry, many industries such as chemical industry, electric power, steel, metallurgy, etc. generate a large amount of high-temperature smoke and dust during the production process. These smoke and dust not only contain harmful substances, but also have high temperatures, which poses a severe challenge to the processing equipment. Traditional filter bag materials are often unable to withstand the erosion of high temperatures and corrosive substances, resulting in problems such as short service life and low filtration efficiency. Therefore, it is necessary to design a high-temperature resistant PTFE filter bag;

[0003] To this end, the patent with announcement number CN219290872U discloses a high-temperature resistant PTFE filter bag, including a filter bag body, a base is provided at the bottom of the filter bag body, a top seat is provided at the top of the filter bag body, a one-way valve is installed at the bottom of the base, a connecting seat is fixed to the top of the base and the bottom of the top seat, a plurality of cooling pipes are connected between the base and the top seat, a water inlet pipe is fixed on one side of the base, a water inlet valve is provided on one side of the water inlet pipe, a drain pipe is fixed on one side of the top seat, and a steel wire mesh is fixed between the base and the top seat. The utility model adopts a plurality of cooling pipes to cool the high-temperature gas, and at the same time, water flows in the cooling pipes to absorb heat, thereby improving the efficiency of heat dissipation inside the PTFE filter bag, so that the PTFE filter bag can filter the high-temperature gas, and the steel wire mesh can not only perform preliminary filtration on the incoming gas to prevent large particles from clogging the filter bag body, but also use the steel wire mesh to play a role in resisting flying fire in the gas to prevent flying fire in the gas from contacting the filter bag body;

[0004] When the filter bag is in use, the impact of gas during filtration will affect the stability of the filter bag installation. Therefore, it is necessary to design a high-temperature resistant PTFE filter bag. Utility Model Content

[0005] The utility model aims to provide a high-temperature resistant PTFE filter bag to solve the defect of the existing PTFE filter bag that the filter bag will be affected in the stability of the filter bag installation after being impacted by gas during filtering.

[0006] In order to solve the above technical problems, the present utility model provides the following technical solutions: a high temperature resistant PTFE filter bag, comprising a support assembly;

[0007] The support assembly includes a base, a limiting ring, an air guide tube and an air guide groove. The base is provided with an air guide groove inside, an air guide tube is fixed to the top of the base outside the air guide groove, and a limiting ring is fixed at the edge of the top of the base;

[0008] A support structure is provided at the top of the base, and the support structure includes a vertical frame, a horizontal frame, a top plate, a bottom plate, a card block and a card slot, and a PTFE filter bag body is provided on the outside of the vertical frame;

[0009] A limiting structure is provided on the outer side of the top plate, and the limiting structure includes a limiting cover, a reserved groove, a clamping rod and a splint. The reserved grooves are evenly opened on the outer wall of the top plate, and a clamping rod is provided inside the reserved grooves. A splint is fixed on the end of the clamping rod away from the reserved groove, and the outer side of the splint is threadedly connected to the limiting cover.

[0010] Furthermore, the card slot is opened at the top of the base, and a card block is provided inside the card slot. The top of the card block is fixed with a bottom plate, the top of the bottom plate is evenly provided with a vertical frame, the inner side wall of the vertical frame is evenly fixed with a horizontal frame, and the top of the vertical frame is fixed with a top plate.

[0011] Furthermore, the vertical frames are distributed at equal intervals on the top of the bottom plate, and the horizontal frames are distributed at equal intervals on the inner side walls of the vertical frames.

[0012] Furthermore, the clamping blocks and the base form an interference fit structure through the clamping grooves, and the clamping blocks are distributed at equal intervals at the lower end of the base plate.

[0013] Furthermore, the clamping rods and the top plate form an interference fit structure through reserved grooves, and the clamping rods are distributed at equal intervals on the outer side of the top plate.

[0014] Furthermore, the top-view cross-section of the clamping plates is designed to be arc-shaped, and the clamping plates are distributed at equal intervals on the outside of the PTFE filter bag body.

[0015] Furthermore, the inner side of the clamping plate and the outer side of the PTFE filter bag body are in conflict with each other.

[0016] The utility model provides a high temperature resistant PTFE filter bag, which has the following advantages:

[0017] By setting a limited position structure, the PTFE filter bag body is sleeved on the outside of the supporting structure, and then the inner side of the splint is placed close to the top of the PTFE filter bag body so that the clamping rod is inserted into the inside of the reserved groove, and then the splint is pressed so that the clamping rod and the top plate are connected through the interference fit of the reserved groove. The splint can fix the PTFE filter bag body to the outside of the vertical frame, and then the limiting cover and the splint are threadedly connected to prevent the splint from falling off, thereby increasing the stability of the fixation. The device has the function of facilitating the fixation of the PTFE filter bag body, thereby improving the stability of the high-temperature resistant PTFE filter bag during use;

[0018] By providing a supporting structure, the vertical frames and the horizontal frames are staggered to form a mesh structure, which can support the PTFE filter bag body. The card block at the bottom end of the bottom plate is inserted into the inside of the card slot, so that the bottom plate and the base are connected to each other. The vertical frames and the horizontal frames can be fixed to the top of the base to facilitate supporting the PTFE filter bag body. The function of the device to facilitate supporting the PTFE filter bag body is realized, and the convenience of the PTFE filter bag when in use is improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the overall three-dimensional structure of the utility model;

[0020] Figure 2 This is a schematic diagram of the main cross-sectional structure of the utility model;

[0021] Figure 3 This is a schematic diagram of the main cross-sectional three-dimensional structure of the utility model;

[0022] Figure 4 This is a schematic diagram of a three-dimensional structure of a top view cross section of the present invention;

[0023] Figure 5 It is a schematic diagram of the top cross-sectional structure of the utility model.

[0024] Explanation of the reference numerals in the figure: 1. Support assembly; 11. Base; 12. Limiting ring; 13. Air guide tube; 14. Air guide groove; 2. PTFE filter bag body; 3. Support structure; 31. Vertical frame; 32. Horizontal frame; 33. Top plate; 34. Bottom plate; 35. Block; 36. Slot; 4. Limiting structure; 41. Limiting cover; 42. Reserved slot; 43. Clamping rod; 44. Clamp. DETAILED DESCRIPTION

[0025] 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.

[0026] See also Figure 1-Figure 5 The utility model provides a high-temperature resistant PTFE filter bag, including a support component 1.

[0027] Reference Figure 2-Figure 5The support assembly 1 includes a base 11, a limiting ring 12, an air guide tube 13 and an air guide groove 14. The base 11 is provided with an air guide groove 14. The air guide tube 13 is fixed to the top of the base 11 outside the air guide groove 14. The limiting ring 12 is fixed at the edge of the top of the base 11. The top of the base 11 is provided with a support structure 3. The support structure 3 includes a vertical frame 31, a horizontal frame 32, a top plate 33, a bottom plate 34, a block 35 and a slot 36. The slot 36 is provided at the top of the base 11, and the inside of the slot 36 is provided with a block. 35, the top of the block 35 is fixed with a bottom plate 34, the top of the bottom plate 34 is evenly provided with a vertical frame 31, the inner wall of the vertical frame 31 is evenly fixed with a horizontal frame 32, the top of the vertical frame 31 is fixed with a top plate 33, the vertical frames 31 are evenly spaced at the top of the bottom plate 34, the horizontal frames 32 are evenly spaced on the inner wall of the vertical frame 31, the block 35 and the base 11 form an interference fit structure through the card groove 36, the block 35 is evenly spaced at the lower end of the bottom plate 34, and the outer side of the vertical frame 31 is provided with a PTFE filter bag body 2.

[0028] The vertical frame 31 and the horizontal frame 32 are staggered with each other to form a mesh structure, which can support the PTFE filter bag body 2. The block 35 at the bottom end of the bottom plate 34 is inserted into the inside of the card slot 36, so that the bottom plate 34 and the base 11 are connected to each other. The vertical frame 31 and the horizontal frame 32 can be fixed to the top of the base 11 to facilitate supporting the PTFE filter bag body 2.

[0029] Reference Figure 1-Figure 5 A limiting structure 4 is provided on the outside of the top plate 33, and the limiting structure 4 includes a limiting cover 41, a reserved groove 42, a clamping rod 43 and a splint 44. The reserved grooves 42 are evenly opened on the outer wall of the top plate 33, and a clamping rod 43 is provided inside the reserved grooves 42. The end of the clamping rod 43 away from the reserved groove 42 is fixed with a splint 44, and the outer side of the splint 44 is threadedly connected to the limiting cover 41. The clamping rod 43 and the top plate 33 form an interference fit structure through the reserved groove 42. The clamping rod 43 is evenly spaced on the outside of the top plate 33, and the top cross-section of the splint 44 is arc-shaped. The splint 44 is evenly spaced on the outside of the PTFE filter bag body 2, and the inner side of the splint 44 and the outer side of the PTFE filter bag body 2 conflict with each other.

[0030] The vertical frame 31 and the horizontal frame 32 are staggered with each other to form a mesh structure, which can support the PTFE filter bag body 2. The block 35 at the bottom end of the bottom plate 34 is inserted into the inside of the card slot 36, so that the bottom plate 34 and the base 11 are connected to each other. The vertical frame 31 and the horizontal frame 32 can be fixed to the top of the base 11 to facilitate supporting the PTFE filter bag body 2.

[0031] 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 high temperature resistant PTFE filter bag, comprising a support assembly (1); Its characteristics are: The support assembly (1) comprises a base (11), a limiting ring (12), an air guide tube (13) and an air guide groove (14); an air guide groove (14) is provided inside the base (11); an air guide tube (13) is fixed to the top of the base (11) outside the air guide groove (14); and a limiting ring (12) is fixed at the edge of the top of the base (11); A support structure (3) is provided at the top of the base (11), and the support structure (3) includes a vertical frame (31), a horizontal frame (32), a top plate (33), a bottom plate (34), a clamping block (35) and a clamping slot (36), and a PTFE filter bag body (2) is provided on the outer side of each vertical frame (31); A limiting structure (4) is provided on the outer side of the top plate (33), and the limiting structure (4) comprises a limiting cover (41), a reserved groove (42), a clamping rod (43) and a splint (44). The reserved groove (42) is evenly arranged on the outer wall of the top plate (33), a clamping rod (43) is provided inside the reserved groove (42), and a splint (44) is fixed to one end of the clamping rod (43) away from the reserved groove (42), and the outer side of the splint (44) is threadedly connected to the limiting cover (41).

2. A high temperature resistant PTFE filter bag according to claim 1, characterized in that: The card slot (36) is opened at the top of the base (11), and a card block (35) is provided inside the card slot (36). The top of the card block (35) is fixed with a bottom plate (34), the top of the bottom plate (34) is evenly provided with a vertical frame (31), the inner side wall of the vertical frame (31) is evenly fixed with a horizontal frame (32), and the top of the vertical frame (31) is evenly fixed with a top plate (33).

3. A high temperature resistant PTFE filter bag according to claim 2, characterized in that: The vertical frames (31) are distributed at equal intervals on the top of the bottom plate (34), and the horizontal frames (32) are distributed at equal intervals on the inner side wall of the vertical frame (31).

4. A high temperature resistant PTFE filter bag according to claim 2, characterized in that: The clamping blocks (35) and the base (11) form an interference fit structure through the clamping grooves (36), and the clamping blocks (35) are distributed at equal intervals on the lower end of the bottom plate (34).

5. The high temperature resistant PTFE filter bag according to claim 1, characterized in that: The clamping rod (43) and the top plate (33) form an interference fit structure through a reserved groove (42), and the clamping rod (43) is distributed at equal intervals on the outside of the top plate (33).

6. The high temperature resistant PTFE filter bag according to claim 1, characterized in that: The top view cross section of the clamping plates (44) is designed to be arc-shaped, and the clamping plates (44) are distributed at equal intervals on the outside of the PTFE filter bag body (2).

7. The high temperature resistant PTFE filter bag according to claim 1, characterized in that: The inner side of the clamping plate (44) and the outer side of the PTFE filter bag body (2) are in contact with each other.

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