Supporting cage skeleton with wrinkled filter cartridge

Abstract

The invention belongs to the technical field of dust removal and filtration, and particularly relates to a support cage skeleton with a pleated filter cartridge, the support cage skeleton comprises a support rib, a support assembly, a pressing assembly and a filter cartridge, the support assembly comprises an inner ring and a support frame arranged on the outer side of the inner ring, the support frame is provided with a plurality of protruding top ends, and a V-shaped opening is formed between every two adjacent protruding top ends; the pressing assembly comprises pressing pieces and a hoop, the pressing pieces are arranged to be in a V shape, a ring is defined by the multiple pressing pieces, and the hoop penetrates through the multiple pressing pieces; the number of the supporting ribs corresponds to the number of the protruding top ends, the multiple supporting assemblies are arranged in the axial direction, and the supporting ribs are vertically arranged on the outer walls of the protruding top ends. The filter cartridge is arranged along the outer contour of the support frame, and the hoop is used for tightly holding the plurality of pressing sheets, so that the pressing sheets press the filter cartridge on the outer wall of the support frame. The filter cartridge is clamped by utilizing a special structure of the cage framework, and the filter cartridge is subjected to wrinkle treatment, so that the filtering area is greatly increased; the cylinder head and the cylinder bottom of the filter cylinder do not need to be processed, so that the use cost is obviously reduced.

Description

Technical Field

[0001] The invention belongs to the technical field of dust removal and filtration, and in particular relates to a supporting cage frame of a pleated filter cartridge. Background Art

[0002] In the field of dust removal and filtration, bag dust collectors are generally used for filtration, which include filter bags and cage frames.

[0003] At present, the bag filter uses a structure in which the filter bag and the supporting frame are separated. It is inevitable to process the bag head and bag bottom of the filter bag, which is time-consuming and labor-intensive. Most bag filter uses straight filter bags, which have a smaller filtration area than pleated bags and lower energy efficiency. The pleated bags used in some bag filter still need to be processed at the bag head and bag bottom, which is more expensive to use. Since the cage frame has no clamping structure, it is difficult to maintain the pleats of the filter cartridge, and the effect is not good when used. Summary of the invention

[0004] In view of the technical problems existing in the background technology, the present invention provides a supporting cage frame with a pleated filter cartridge, which replaces the original filter bag and cage frame without changing the original structure of the bag dust collector, thereby greatly increasing the filtration area while reducing the cost of use.

[0005] To achieve the above purpose, the technical solution provided by the present invention is:

[0006] A support cage frame with a pleated filter cartridge, comprising support ribs, a support assembly, a clamping assembly and a filter cartridge, the support assembly comprising an inner ring and a support frame arranged on the outer side of the inner ring, the support frame having a plurality of protruding top ends, a V-shaped opening being formed between two adjacent protruding top ends; the clamping assembly comprising a clamping sheet and a clamping hoop, the clamping sheet being arranged in a V shape, a plurality of clamping sheets forming a ring, the clamping hoop passing through the plurality of clamping sheets; a clamping opening being formed between two adjacent clamping sheets; the number of the support ribs corresponds to the number of the protruding top ends, a plurality of the support assemblies are axially arranged, and the outer wall of the protruding top ends is vertically provided with support ribs; the filter cartridge is arranged along the outer contour of the support frame, the clamping assembly is arranged on the outer side of the support assembly, and the clamping opening is arranged opposite to the protruding top ends, the clamping hoop is used to clamp a plurality of clamping sheets so that the clamping sheets press the filter cartridge against the outer wall of the support frame; the support cage frame is provided with at least one section.

[0007] Optionally, a clamping groove is vertically opened on the outer side of the protruding top end, and the supporting rib is cooperatively arranged in the clamping groove.

[0008] Optionally, connecting blocks are respectively extended from both ends of the clamping plate, and a through groove for passing a clamp is provided in the connecting block; the two connecting blocks of two adjacent clamping plates are arranged in parallel and at a fixed distance, and the supporting rib is arranged between the two connecting blocks of two adjacent clamping plates.

[0009] Optionally, at least one opening is formed on both sides of the compression sheet.

[0010] Optionally, the support cage frame of the pleated filter cartridge also includes a bag cage head and a perforated end cover, and the bag cage head is connected to the support assembly at the upper end; a mounting tube is provided at one end of the bag cage head, and the perforated end cover is sleeved on the outer wall of the mounting tube, and the mounting tube is arranged close to the inner wall of the inner ring, and the shape of the perforated end cover is the same as that of the support frame, and the perforated end cover is arranged close to the upper end surface of the support frame.

[0011] Optionally, the support cage frame of the pleated filter cartridge also includes a bottom end cover, which is connected to the support assembly at the upper end; the shape of the bottom end cover is the same as that of the support frame, and the bottom end cover is arranged close to the bottom end surface of the support frame.

[0012] Optionally, the support cage frame is provided with at least two sections, and the two sections of the support keel are connected by a connecting assembly. The connecting assembly includes a connecting pipe and a flange arranged on one side of the connecting pipe. The two flanges are connected by bolts, and the connecting pipe is arranged close to the inner wall of the inner ring.

[0013] Optionally, a sealing ring is installed on the outer wall of the upper end of the bag cage head for cooperating with the flower plate opening of the bag dust collector.

[0014] Optionally, a plurality of first protrusions are evenly distributed on the circumference of the perforated end cover, the first protrusions are cooperatively arranged on the upper end surface of the protruding top, a first limiting groove is arranged on the outer side of the first protrusion, and the upper end of the supporting rib is cooperatively arranged in the first limiting groove.

[0015] Optionally, a plurality of second protrusions are evenly distributed on the circumference of the bottom end cover, the second protrusions are cooperatedly arranged on the bottom end surface of the protruding top, a second limiting groove is arranged on the outer side of the second protrusion, and the lower end of the support rib is cooperatedly arranged in the second limiting groove.

[0016] The present invention has the following advantages and beneficial effects:

[0017] The present invention provides a support cage frame with a pleated filter cartridge, which clamps the filter cartridge by using the special structure of the cage frame. The filter cartridge is made of a rolled filter cloth. Since the filter cartridge is pleated, the filtration area is greatly increased. Since the filter cartridge is fixed by a clamp, the filter cartridge does not need to be processed on the cartridge head and the cartridge bottom, which significantly reduces the use cost.

[0018] The invention provides a new dust collector consumables usage solution. Without changing the original structure of the bag dust collector, the original filter bag and cage frame can be replaced. It can be widely used to replace the filter bag and cage frame of the bag dust collector, greatly increasing the filtration area while reducing the cost of use. The same combination of parts is used to reduce production costs and time. In order to facilitate manufacturing, installation, transportation, etc., it can be manufactured in multiple sections and connected by detachable connecting components to ensure convenient and quick disassembly and assembly.

[0019] In the present invention, a cage-like structure is formed as a whole by the support assembly. The special shapes of the support assembly and the clamping assembly cooperate to clamp the filter cartridge, ensuring that the filter cartridge is in a pleated installation state. The filter cartridge is inserted into the support cage frame radially, and the two ends are pressed along the outer edge of the support assembly by the clamping assembly to achieve the effect of sealing at both ends. This structure is convenient for quick installation of the filter cartridge and meets the sealing requirements, while ensuring the pleated installation of the filter cartridge. The overall structure is simple and easy to disassemble and assemble the filter cartridge. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a structural diagram of a single-stage support cage frame and a filter cartridge in the present invention;

[0021] Figure 2 It is a cross-sectional view of a single-section support cage frame and a filter cartridge in the present invention;

[0022] Figure 3 This is one of the structural diagrams of the support cage frame in the present invention;

[0023] Figure 4 This is the second structural diagram of the support cage frame in the present invention;

[0024] Figure 5 It is a structural diagram of the multi-section support cage frame and the filter cartridge in the present invention;

[0025] Figure 6 for Figure 5 The cross-sectional view along the AA direction;

[0026] Figure 7 for Figure 5 The cross-sectional view along the BB direction;

[0027] Figure 8 for Figure 5 Cross-sectional view along CC direction;

[0028] Fig. 9 for Figure 5 The cross-sectional view along the DD direction;

[0029] Fig.10 for Figure 5 Bottom view of

[0030] Fig.11It is a structural diagram of the bottom side end cover of the present invention;

[0031] Fig.12 It is a structural diagram of the end cover with holes in the present invention;

[0032] Fig.13 is a structural diagram of the pressing assembly in the present invention;

[0033] Fig.14 for Fig.13 A top view of

[0034] Fig.15 It is a structural diagram of the support assembly in the present invention;

[0035] Fig.16 for Fig.15 Top view of the .

[0036] Figure markings: 1-bottom end cover, 11-second protrusion, 12-second limiting groove, 2-support assembly, 21-inner ring, 22-protruding top, 23-clamping groove, 24-inner connecting end, 3-clamping assembly, 3a-clamping mouth, 31-clamping plate, 32-connecting block, 33-through groove, 34-hoop, 35-opening, 4-support ribs, 5-filter cartridge, 7-end cover with holes, 71-first protrusion, 72-first limiting groove, 73-center hole, 8-bag cage head, 81-installation pipe, 9-connecting pipe, 91-flange, 10-sealing ring. DETAILED DESCRIPTION

[0037] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments.

[0038] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the invention claimed for protection, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0039] Example 1

[0040] like Figure 1 to Figure 4 , Figures 11 to 16 As shown, a support cage frame with a pleated filter cartridge includes support ribs 4, a support assembly 2, a clamping assembly 3, a filter cartridge 5, etc.

[0041] like Fig.15 and Fig.16As shown, the support assembly 2 includes an inner ring 21 and a support frame arranged outside the inner ring 21, the inner ring 21 and the support frame are welded and connected, the support frame has a plurality of protruding top ends 22 and an inner connecting end 24, a V-shaped opening is formed between two adjacent protruding top ends 22, and the inner connecting end 24 is smoothly transitionally connected between two adjacent protruding top ends 22, and the inner connecting end 24 is welded and fixed to the outer wall of the inner ring 21. There is a hollow gap between the support frame and the inner ring 21 to allow gas to pass through.

[0042] like Fig.13 and Fig.14 As shown, the clamping assembly 3 includes a clamping sheet 31 and a clamping hoop 34. The number of the clamping sheets 31 is the same as the number of the protruding tops 22. A clamping sheet 31 is provided on both sides of each protruding top 22. The clamping sheets 31 are provided in a V shape. A plurality of the clamping sheets 31 form a ring. The clamping hoop 34 is provided through the plurality of the clamping sheets 31. The diameter of the clamping hoop 34 can be adjusted by the ring-shaped clamping hoop 34. The positions of the plurality of the clamping sheets 31 can be adjusted by the clamping hoop 34. A clamping opening 3a is formed between two adjacent clamping sheets 31, and the protruding top 22 is located in the clamping opening 3a.

[0043] like Figure 3 and Figure 4 As shown, the number of support ribs 4 corresponds to the number of protruding tops 22. In the invention, when the support keel is provided with a single section, several support components 2 are arranged axially. In the figure, four support components 2 are provided, one at each of the upper and lower ends, and two in the middle. The outer wall of the protruding top 22 is vertically provided with support ribs 4. Through the several support ribs 4 on the outside of the support component 2, multiple support components 2 are connected as a whole, thereby forming a support cage frame. The support cage frame is provided with at least one section, and can be composed of one section or multiple sections to adapt to conditions such as transportation and installation restrictions.

[0044] like Figure 1 to Figure 4 As shown, the filter cartridge 5 is arranged along the outer contour of the support frame, the clamping assembly 3 is arranged outside the support assembly 2, and the clamping port 3a is arranged opposite to the protruding top 22, and the clamping hoop 34 is used to clamp a plurality of clamping sheets 31, so that the clamping sheets 31 press the filter cartridge 5 against the outer wall of the support frame, thereby pleating the filter cartridge 5 for installation. In the figure, the clamping assemblies 3 are used at both ends of the support keel to press along the outer edge of the support assembly 2 to achieve the effect of sealing at both ends. If necessary, the clamping assembly 3 can also be used to fix the filter cartridge 5 in the middle section, and the specific number is determined by the actual usage.

[0045] Furthermore, a snap-in groove 23 is vertically opened on the outer side of the protruding top 22, and the supporting rib 4 is cooperatively arranged in the snap-in groove 23. The snap-in groove 23 can realize the positioning of the supporting rib 4, and the connection between the supporting rib 4 and the protruding top 22 is fixed by welding.

[0046] like Figure 1 to Figure 4 , Figures 11 to 16As shown, further, connecting blocks 32 are respectively extended at both ends of the compression sheet 31, and a through slot 33 for inserting a clamp 34 is provided in the connecting block 32. The two connecting blocks 32 of two adjacent compression sheets 31 are arranged in parallel and at a fixed distance, and the support rib 4 is arranged between the two connecting blocks 32 of two adjacent compression sheets 31. In the present invention, through the design of the connecting block 32 and the through slot 33, a clamp 34 can be inserted to achieve the connection of the compression sheet 31. By using the clamp 34, a plurality of compression sheets 31 can be simultaneously pressed against the filter cartridge 5 to achieve the pleat fixing effect of the filter cartridge 5. When the clamp 34 is clamped, each compression sheet 31 is compressed and opened by the clamp 34, and the connecting blocks 32 of the two compression sheets 31 are close to each other, so that the compression sheets 31 press the filter cartridge 5 against the outer wall of the support frame. At the same time, the two connecting blocks 32 are parallel and separated by a fixed distance, so that when the clamp 34 is clamped, there is no contact or interference between the two compression sheets 31, thereby ensuring the compression effect of the compression sheets 31.

[0047] Reference Figure 7 to Figure 10 When the pressing sheet 31 presses the filter cartridge 5, the inner wall of the filter cartridge 5 is tightly attached to the outer wall contour edge of the support frame (the protruding top 22 and the inner connecting end 24). At the same time, the inner wall of the filter cartridge 5 at the position between any two connecting blocks 32 is attached to the outer wall of the support rib 4, and the outer wall is attached to the inner wall of the clamp 34, ensuring that the entire filter cartridge 5 is in a uniformly tightened state, ensuring the stable clamping and installation of the filter cartridge 5.

[0048] Furthermore, at least one opening 35 is provided on both sides of the compression plate 31. A wire / rope can be passed through the opening 35 to pass through the filter cartridge 5, bind the filter cartridge 5, and enhance the connection strength between the filter cartridge 5 and the compression plate 31.

[0049] like Figure 1 to Figure 4 , Figures 11 to 16 As shown, the support cage frame of the pleated filter cartridge described in the present invention also includes a bag cage head 8 and a perforated end cover 7, and the bag cage head 8 is connected to the upper end support component 2; a mounting tube 81 is provided at one end of the bag cage head 8, and the perforated end cover 7 is sleeved on the outer wall of the mounting tube 81, and the mounting tube 81 is arranged close to the inner wall of the inner ring 21. The shape of the perforated end cover 7 is the same as that of the support frame, and the perforated end cover 7 is arranged close to the upper end surface of the support frame, thereby sealing the upper end support component 2 (i.e., sealing the upper end of the support cage frame).

[0050] Furthermore, the support cage frame of the pleated filter cartridge described in the present invention also includes a bottom end cap 1, which is connected to the support assembly 2 at the lower end; the bottom end cap 1 has the same shape as the support frame, and is arranged close to the bottom end surface of the support frame, thereby sealing the support assembly 2 at the lower end (i.e., sealing the lower end of the support cage frame). At the bottom, one side of the bottom end cap 1 and the bottom of the support frame are fixed together by welding or the like, thereby sealing the bottom.

[0051] Furthermore, a sealing ring 10 is installed on the outer wall of the upper end of the bag cage head 8 for cooperating with the flower plate opening of the bag filter.

[0052] like Fig.15 and Fig.16 As shown, the support frame is a petal-shaped structure with multiple protruding tops 22, and the specific number and shape are determined by the specific product. One end of the support rib 4, which is the same as the number of the protruding tops 22 of the support frame, is fixed to the protruding tops 22 of the support frame by welding or the like, and the central part of the support frame is fixed to the inner ring 21 by welding or the like. Through such a combination, the structure can withstand certain deformation and have good stability.

[0053] The number and spacing of the middle section support assemblies 2 are determined by factors such as usage conditions, material strength, and structure length. When necessary, the support assembly 2 is installed in the middle section. In the present invention, two support assemblies 2 are arranged in the middle section, and their structure is the same as the combination of the bottom support frame and the inner ring 21. When not necessary, the middle section support assembly 2 may not be installed.

[0054] A support assembly 2 is provided at the top, and its structure is the same as the support frame and the inner ring 21 combination at the bottom. The perforated end cover 7 is fixed to the support assembly by welding or other methods, so as to seal the top. One end of the bag cage 8 is inserted into the inner ring 21 and fixed together by welding or other methods. A sealing ring 10 is installed on the bag cage 8 to cooperate with the flower plate opening of the bag dust collector to achieve a sealing effect. One end of the multiple support ribs 4 is fixed to the top of the support frame at the top by welding or other methods, and the bottom is similar.

[0055] Furthermore, a center hole 73 is provided inside the perforated end cover 7, and a plurality of first protrusions 71 are evenly distributed on the circumference of the perforated end cover 7. The first protrusions 71 are cooperatedly arranged on the upper end surface of the protruding top 22, and a first limiting groove 72 is provided on the outer side of the first protrusion 71. The upper end of the support rib 4 is cooperatedly arranged in the first limiting groove 72 to realize the limited installation of the perforated end cover 7.

[0056] Furthermore, a plurality of second protrusions 11 are evenly distributed on the circumference of the bottom end cover 1, and the second protrusions 11 are cooperatively arranged on the bottom end surface of the protruding top 22, and a second limiting groove 12 is arranged on the outer side of the second protrusion 11, and the lower end of the support rib 4 is cooperatively arranged in the second limiting groove 12 to realize the limited installation of the bottom end cover 1.

[0057] In the present invention, the filter cartridge 5 is radially inserted into the support cage frame, and the two ends are pressed by the clamping assembly 3 along the outer edge of the support assembly 2 to achieve the effect of sealing at both ends. If necessary, the middle section can also use the clamping assembly 3 to fix the filter cartridge 5, and the specific number is determined by the actual use situation.

[0058] The support assembly 2 and the support ribs 4 form a cage-like structure as a whole. The two ends are sealed with perforated end covers 7 and the bottom end cover 1. The filter cartridge 5 isolates the inside and outside of the cage. The flower plate opening on the bag filter is sealed by the sealing ring 10 to achieve the purpose of isolating the inside and outside of the bag filter.

[0059] Example 2

[0060] In this embodiment, the support cage frame is provided with multiple sections.

[0061] like Figure 5 to Figure 16 As shown, the support cage frame is provided with at least two sections, and the two sections of the support keel are connected by a connecting assembly, which includes a connecting pipe 9 and a flange 91 arranged on one side of the connecting pipe 9. The two flanges 91 are connected by bolts, and one end of the connecting pipe 9 is arranged close to the inner wall of the inner ring 21. That is, the connecting pipe 9 is respectively connected to the corresponding support assembly 2. The connecting pipe 9 extends into the inner wall of the inner ring 21, and the connecting pipe 9 and the inner ring 21 are welded and fixed.

[0062] Due to limitations of length, transportation requirements, usage conditions and other factors, the original one-section cage frame is divided into two sections, or more sections, and a connecting component is provided in the middle section, which is installed through two connecting pipes 9 and connected using a detachable flange 91 to facilitate installation and disassembly. The other ends of the two connecting pipes 9 are respectively inserted into the corresponding support components 2, that is, inserted into the inner ring 21, and fixed by welding or other means.

[0063] In actual use, the cage frame is divided into sections according to the actual situation, which can be one section or multiple sections, and the sections are detachably connected using connecting pipes 9.

[0064] The perforated end cap 7 is used for parts that need to be connected in the middle, such as the bag cage 8, the connecting pipe 9, etc., and its shape and size can be adjusted to match the supporting assembly 2.

[0065] The bottom end cover 1 is used for bottom sealing, and its shape and size can be adjusted in accordance with the supporting structure.

[0066] The clamping assembly 3 is composed of a clamp 34 and a plurality of clamping plates 31. The number of the clamping plates 31 is determined by the number of the protruding top ends 22 of the support assembly 2. The clamp 34 can be adjusted by its own adjusting bolts. By adjusting the bolts on the clamp 34, the purpose of clamping or loosening is achieved through the interaction between the clamp 34 and the clamping plates 31.

[0067] In summary:

[0068] The present invention provides a support cage frame with a pleated filter cartridge, which uses the special structure of the cage frame to clamp the filter cartridge 5, and the filter cartridge 5 is made of a rolled filter cloth. Since the filter cartridge 5 is pleated, the filtering area is greatly increased. Since the filter cartridge 5 is fixed with a clamp, the filter cartridge 5 does not need to be processed at the cartridge head and the cartridge bottom, which significantly reduces the use cost.

[0069] The invention provides a new dust collector consumables usage solution. Without changing the original structure of the bag dust collector, the original filter bag and cage frame can be replaced. It can be widely used to replace the filter bag and cage frame of the bag dust collector, greatly increasing the filtration area while reducing the cost of use. The same combination of parts is used to reduce production costs and time. In order to facilitate manufacturing, installation, transportation, etc., it can be manufactured in multiple sections and connected by detachable connecting components to ensure convenient and quick disassembly and assembly.

[0070] In the present invention, the support assembly 2 forms a cage-like structure as a whole. The special shapes of the support assembly 2 and the pressing assembly 3 cooperate to clamp the filter cartridge 5, ensuring that the filter cartridge 5 is in a pleated installation state. The filter cartridge 5 is inserted into the support cage frame by radial direction, and the two ends are pressed along the outer edge of the support assembly 2 by the pressing assembly 3 to achieve the effect of sealing at both ends. This structure is convenient for quick installation of the filter cartridge 5 and meets the sealing requirements, while ensuring the pleated installation of the filter cartridge 5. The overall structure is simple and easy to disassemble and assemble the filter cartridge 5.

[0071] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A support cage frame for a pleated filter cartridge, characterized in that: It includes support ribs, support components, clamping components and filter cartridges. The support assembly includes an inner ring and a support frame arranged outside the inner ring, wherein the support frame has a plurality of protruding top ends, and a V-shaped opening is formed between two adjacent protruding top ends; The clamping assembly includes a clamping sheet and a clamping hoop, wherein the clamping sheet is arranged in a V shape, a plurality of the clamping sheets are arranged in a ring, and the clamping hoop passes through the plurality of the clamping sheets; a clamping opening is formed between two adjacent clamping sheets; The number of the support ribs corresponds to the number of the protruding tops, a plurality of the support assemblies are axially arranged, and the outer wall of the protruding top is vertically provided with support ribs; A filter cartridge is arranged along the outer contour of the support frame, the pressing assembly is arranged outside the support assembly, and the clamping opening is arranged opposite to the protruding top end, and the clamping hoop is used to hold a plurality of pressing sheets tightly so that the pressing sheets press the filter cartridge against the outer wall of the support frame; The support cage frame is provided with at least one section.

2. The support cage frame of the pleated filter cartridge according to claim 1, characterized in that: A clamping groove is vertically opened on the outer side of the protruding top end, and the supporting rib is cooperatively arranged in the clamping groove.

3. The support cage frame of the pleated filter cartridge according to claim 2, characterized in that: Connecting blocks are respectively extended from both ends of the clamping sheet, and a through slot for passing a clamp is arranged in the connecting block; the two connecting blocks of two adjacent clamping sheets are arranged in parallel and at a fixed distance, and the supporting rib is arranged between the two connecting blocks of two adjacent clamping sheets.

4. The support cage frame of the pleated filter cartridge according to claim 2, characterized in that: At least one opening is formed on both sides of the compression sheet.

5. The support cage frame of the pleated filter cartridge according to claim 1, characterized in that: It also includes a bag cage and an end cover with holes, wherein the bag cage is connected to the support assembly at the upper end; a mounting tube is provided at one end of the bag cage, and the end cover with holes is sleeved on the outer wall of the mounting tube, and the mounting tube is arranged close to the inner wall of the inner ring, and the shape of the end cover with holes is the same as that of the support frame, and the end cover with holes is arranged close to the upper end surface of the support frame.

6. The support cage frame of the pleated filter cartridge according to claim 5, characterized in that: It also includes a bottom end cover, which is connected to the upper support assembly; the shape of the bottom end cover is the same as that of the support frame, and the bottom end cover is arranged close to the bottom end surface of the support frame.

7. The support cage frame of the pleated filter cartridge according to claim 1, characterized in that: The support cage frame is provided with at least two sections, and the multiple sections of the support cage frame are connected at the head and tail by a connecting component. The connecting component includes a connecting pipe and a flange arranged on one side of the connecting pipe. The two flanges are connected by bolts, and the connecting pipe is arranged close to the inner wall of the inner ring.

8. The support cage frame of the pleated filter cartridge according to claim 5, characterized in that: The upper outer wall of the bag cage head is provided with a sealing ring for cooperating with the flower plate opening of the bag dust collector.

9. The support cage frame of the pleated filter cartridge according to claim 5, characterized in that: A plurality of first protrusions are evenly distributed on the circumference of the perforated end cover, the first protrusions are arranged on the upper end surface of the protruding top, a first limiting groove is arranged on the outer side of the first protrusion, and the upper end of the supporting rib is arranged in the first limiting groove.

10. The support cage frame of the pleated filter cartridge according to claim 6, characterized in that: A plurality of second protrusions are evenly distributed on the circumference of the bottom end cover, the second protrusions are arranged on the bottom end surface of the protruding top, a second limiting groove is arranged on the outer side of the second protrusion, and the lower end of the support rib is arranged in the second limiting groove.

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