Needled felt filter bag for chemical dust removal

Abstract

The utility model relates to the technical field of needled felt filter bags, in particular to a needled felt filter bag for chemical dedusting, which comprises a filter bag body, a filter bag support framework and a mounting device, the filter bag support framework is placed inside the filter bag body, plug connectors on two sides are respectively inserted into two plug frames, and then locking pieces are operated to fix the filter bag support framework. The splicing base is provided with an air inlet, the air inlet in the splicing base is connected with an air outlet pipe of the bag type dust collector in an inserted mode, and then the operation pieces on the supports on the two sides are operated to drive the arc-shaped abutting plates to abut against the air outlet pipe of the bag type dust collector, so that assembling of the whole device is completed; therefore, the problems that according to an existing needled felt filter bag for chemical dust removal, a bag type dust remover is directly sleeved with an air inlet in a mounting base and fixed through winding of a steel wire, vibration can be generated during dust removal, consequently, connection of the needled felt filter bag is disengaged, and follow-up dust removal operation is affected are solved.

Description

Technical Field

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

[0002] Needle felt filter bags (dust removal bags) are a key part of the operation of bag dust collectors. The fabric and design of needle felt filter bags strive for high-efficiency filtration, easy dust removal and durability. Needle felt filter bags have the advantages of high gaps, good air permeability and high dust collection efficiency that are unique to ordinary felt filter cloths.

[0003] The prior art (CN218392830U) discloses a needle felt filter bag for chemical dust removal, including a filter bag body, a fixing plate bonded to the upper end of the filter bag body, a mounting seat arranged at the upper end of the filter bag body, a mounting groove opened on the lower side of the mounting seat, a limiting device arranged between the fixing plate and the mounting seat, an external thread arranged on the outer wall of the mounting seat, a fixing seat installed on the mounting seat, the air inlet is sleeved on the bag dust collector through the mounting seat and then fixed by winding with steel wire, so as to facilitate the chemical plant to quickly complete the installation of the needle felt filter bag in the bag dust collector.

[0004] However, in the above manner, the air inlet on the mounting base is directly mounted on the bag dust collector and fixed by winding with steel wire, which will generate vibration during the dust removal operation and thus cause the connection of the needle felt filter bag to fall off, affecting the subsequent dust removal operation. Utility Model Content

[0005] The utility model aims to provide a needle felt filter bag for chemical dust removal, aiming to solve the problem that the existing needle felt filter bag for chemical dust removal has an air inlet on a mounting seat that is directly mounted on a bag-type dust collector and fixed by winding with steel wire, which will generate vibration during dust removal operation and thus cause the connection of the needle felt filter bag to fall off, thus affecting subsequent dust removal operations.

[0006] To achieve the above purpose, the utility model provides a needle felt filter bag for chemical dust removal, comprising a filter bag body, a filter bag support frame and an installation device, wherein the filter bag support frame is located on one side of the filter bag body.

[0007] The installation device comprises a mounting seat, two plug-in frames, two locking members, a splicing seat, two plug-in members and two fixing structures;

[0008] The mounting seat is fixedly connected to the filter bag body and is located on one side of the filter bag body; the two plug-in frames are respectively fixedly connected to the mounting seat and are respectively located on both sides of the mounting seat; the two locking members are respectively arranged on one side of the two plug-in frames; the splicing seat is fixedly connected to the filter bag support frame and is located on one side of the filter bag support frame; the two plug-in members are respectively arranged on both sides of the splicing seat; the two fixed structures are respectively located on both sides of the splicing seat; the fixed structure includes a bracket, an operating member and an arc-shaped abutment plate, the bracket is fixedly connected to the splicing seat and is located on one side of the splicing seat; the operating member is arranged on one side of the bracket; the arc-shaped abutment plate is fixedly connected to the operating member and is located on one side of the operating member.

[0009] Wherein, the locking member includes a locking screw and a bolt, the locking screw is threadedly connected to the plug-in frame and is located at one side of the plug-in frame; the bolt is fixedly connected to the locking screw and is located at one side of the locking screw.

[0010] Wherein, the connector comprises a connecting block and a plug-in block, wherein the connecting block is fixedly connected to the splicing seat and is located at one side of the splicing seat; the plug-in block is fixedly connected to the connecting block and is located inside the plug-in frame.

[0011] Among them, the operating part includes a locking screw, a telescopic rod, a connecting plate, a guide sleeve and a guide rod, the locking screw is rotatably connected to the bracket and is located on one side of the bracket; the telescopic rod is threadedly connected to the locking screw and is located on one side of the locking screw; the connecting plate is fixedly connected to the telescopic rod and is located on one side of the telescopic rod; the guide sleeve is fixedly connected to the bracket and is located on one side of the bracket; the guide rod is slidably connected to the guide sleeve, fixedly connected to the connecting plate, and located on one side of the guide sleeve.

[0012] Wherein, the mounting device further comprises a limiting member, and the limiting member is arranged on one side of the mounting seat.

[0013] Wherein, the limiting member includes a limiting groove and a limiting ring, the limiting groove is fixedly connected to the mounting seat and is located on one side of the mounting seat; the limiting ring is fixedly connected to the splicing seat and is located inside the limiting groove.

[0014] Wherein, the needle-punched felt filter bag for chemical dust removal also includes a sealing ring, which is fixedly connected to the filter bag body and is located inside the filter bag body.

[0015] Compared with the prior art, the utility model has the following beneficial effects:

[0016] 1. By arranging the mounting seat, the two plug-in frames, the two locking pieces, the splicing seat, the two plug-in pieces and the two fixing structures, when installing the integral needle felt filter bag and the bag dust collector, the filter bag support frame is placed into the interior of the filter bag body, the plug-in pieces on both sides are respectively inserted into the two plug-in frames and then the locking pieces are operated to fix them, so that the assembly of the filter bag body can be completed. The splicing seat is provided with an air inlet, and the air inlet on the splicing seat is plugged into the air outlet pipe of the bag dust collector, and then the operating pieces on the brackets on both sides are operated to drive the arc-shaped abutment plate to contact the air outlet pipe of the bag dust collector to complete the assembly of the overall device, thereby solving the problem of the existing needle felt filter bag for chemical dust removal, in which the air inlet on the mounting seat is directly mounted on the bag dust collector and fixed by winding with steel wire, which will generate vibration during the dust removal operation, thereby causing the connection of the needle felt filter bag to fall off, affecting the subsequent dust removal operation.

[0017] 2. By setting the locking screw and the bolt, when the connector is inserted into the plug-in frame, the bolt is twisted to drive the locking screw to be threadedly connected with the connector, so that the connector can be fixed, which makes it more convenient to fix the connector and further facilitates the installation of the filter bag support frame and the filter bag body.

[0018] 3. By setting the connection block and the plug-in block, the connection block is used to support the plug-in block, and the plug-in block is used to be inserted into the plug-in frame and threadedly connected with the locking screw, so as to complete the installation of the filter bag support frame and the filter bag body.

[0019] 4. By arranging the locking screw, the telescopic rod, the connecting plate, the guide sleeve and the guide rod, when the splicing seat is plugged into the air outlet pipe of the bag dust collector, the locking screw is twisted to drive the telescopic rod to drive the connecting plate, and the restrictions of the guide sleeve and the guide rod are cooperated to make the arc-shaped abutment plate abut against the air outlet pipe of the bag dust collector, so that the assembly of the integral needle felt filter bag can be completed, making the assembly of the integral needle felt filter bag more stable.

[0020] 5. By providing the limiting groove and the limiting ring, when the filter bag support frame and the filter bag body are assembled, the limiting ring on the splicing seat is inserted into the limiting groove on the mounting seat, so that the assembly of the filter bag support frame and the filter bag body is more precise.

[0021] 6. By providing the sealing ring, the sealing ring is used to increase the sealing performance when the filter bag support frame and the filter bag body are assembled. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art are briefly introduced below.

[0023] Figure 1 It is a schematic diagram of the overall structure of the first embodiment of the utility model.

[0024] Figure 2 It is an overall front view of the first embodiment of the utility model.

[0025] Figure 3 It is an overall top view of the first embodiment of the utility model.

[0026] Figure 4 It is an overall cross-sectional view of the first embodiment of the utility model.

[0027] Figure 5 It is an overall cross-sectional view of the second embodiment of the utility model.

[0028] Figure 6 It is an overall cross-sectional view of the third embodiment of the utility model.

[0029] 101-filter bag body, 102-filter bag support frame, 103-mounting seat, 104-plug-in frame, 105-locking piece, 106-splicing seat, 107-plug-in piece, 108-fixing structure, 109-bracket, 110-operating piece, 111-arc-shaped abutment plate, 112-locking screw, 113-bolt, 114-connecting block, 115-plug-in block, 116-locking screw, 117-telescopic rod, 118-connecting plate, 119-guide sleeve, 120-guide rod, 201-limiting piece, 202-limiting groove, 203-limiting ring, 301-sealing ring. DETAILED DESCRIPTION

[0030] The first embodiment of the present application is:

[0031] See also Figure 1-Figure 4 ,in, Figure 1 It is a schematic diagram of the overall structure of the first embodiment of the utility model. Figure 2 It is a front view of the whole of the first embodiment of the utility model. Figure 3 It is a top view of the whole of the first embodiment of the utility model. Figure 4 It is an overall cross-sectional view of the first embodiment of the utility model.

[0032] The utility model provides a needle felt filter bag for chemical dust removal: comprising a filter bag body 101, a filter bag support frame 102 and a mounting device, wherein the mounting device comprises a mounting seat 103, two plug-in frames 104, two locking members 105, a splicing seat 106, two plug-in members 107 and two fixing structures 108, wherein the fixing structure 108 comprises a bracket 109, an operating member 110 and an arc-shaped abutment plate 111, and the locking member 105 comprises a locking screw 112 and a bolt 113. The connector 107 includes a connecting block 114 and a plug-in block 115, and the operating member 110 includes a locking screw 116, a telescopic rod 117, a connecting plate 118, a guide sleeve 119 and a guide rod 120. The above-mentioned solution solves the problem that the existing needle felt filter bag for chemical dust removal, the air inlet on the mounting seat is directly mounted on the bag dust collector and fixed by winding with steel wire, and vibration is generated during the dust removal operation, which may cause the connection of the needle felt filter bag to fall off, affecting the subsequent dust removal operation.

[0033] For this specific embodiment, the filter bag support frame 102 is located on one side of the filter bag body 101, and the filter bag support frame 102 is used to auxiliary support the inner cavity of the filter bag body 101. The filter bag body 101 is used to cooperate with the installation device to be assembled on the bag dust collector to perform dust removal operations. The structure of the filter bag body 101 and the filter bag support frame 102 refers to the patent document with publication number CN218392830U, and no further details are given here.

[0034] Among them, the mounting seat 103 is fixedly connected to the filter bag body 101 and is located on one side of the filter bag body 101; the two plug-in frames 104 are respectively fixedly connected to the mounting seat 103 and are respectively located on both sides of the mounting seat 103; the two locking members 105 are respectively arranged on one side of the two plug-in frames 104; the splicing seat 106 is fixedly connected to the filter bag support frame 102 and is located on one side of the filter bag support frame 102; the two plug-in members 107 are respectively arranged on both sides of the splicing seat 106; the two fixing structures 108 are respectively located on both sides of the splicing seat 106; the bracket 109 is fixedly connected to the splicing seat 106 and is located on one side of the splicing seat 106; the operating member 110 is arranged on one side of the bracket 109; the arc-shaped abutment plate 111 is fixedly connected to the operating member 110 and is located on one side of the operating member 110. When installing the integral needle felt filter bag and the bag dust collector, the filter bag support frame 102 is placed into the filter bag body 101, the plug-in components 107 on both sides are respectively inserted into the two plug-in frames 104, and then the locking components 105 are operated to fix them, and the assembly of the filter bag body 101 is completed. The splicing seat 106 is provided with an air inlet. The air inlet on the splicing seat 106 is plugged into the air outlet pipe of the bag dust collector, and then the operating components 110 on the brackets 109 on both sides are operated to drive the arc-shaped abutment plate 111 to abut against the air outlet pipe of the bag dust collector to complete the assembly of the overall device, thereby solving the problem of the existing needle felt filter bag for chemical dust removal, the air inlet on the mounting seat 103 is directly mounted on the bag dust collector and fixed by winding with steel wire, which will generate vibration during the dust removal operation, thereby causing the connection of the needle felt filter bag to fall off, affecting the subsequent dust removal operation.

[0035] Secondly, the locking screw 112 is threadedly connected to the plug-in frame 104 and is located on one side of the plug-in frame 104; the bolt 113 is fixedly connected to the locking screw 112 and is located on one side of the locking screw 112. When the connector 107 is inserted into the plug-in frame 104, the bolt 113 is twisted to drive the locking screw 112 to be threadedly connected thereto, thereby completing the fixation of the connector 107, thereby making it more convenient to fix the connector 107, and further facilitating the installation of the filter bag support frame 102 and the filter bag body 101.

[0036] At the same time, the connecting block 114 is fixedly connected to the splicing seat 106 and is located on one side of the splicing seat 106; the plug-in block 115 is fixedly connected to the connecting block 114 and is located inside the plug-in frame 104, the connecting block 114 is used to support the plug-in block 115, and the plug-in block 115 is used to be inserted into the plug-in frame 104 and threadedly connected with the locking screw 112 to complete the installation of the filter bag support frame 102 and the filter bag body 101.

[0037] In addition, the locking screw 116 is rotatably connected to the bracket 109 and is located on one side of the bracket 109; the telescopic rod 117 is threadedly connected to the locking screw 116 and is located on one side of the locking screw 116; the connecting plate 118 is fixedly connected to the telescopic rod 117 and is located on one side of the telescopic rod 117; the guide sleeve 119 is fixedly connected to the bracket 109 and is located on one side of the bracket 109; the guide rod 120 is slidably connected to the guide sleeve 119 The connecting plate 111 is connected and fixedly connected with the connecting plate 118 and is located on one side of the guide sleeve 119. When the splicing seat 106 is plugged into the air outlet pipe of the bag dust collector, the locking screw 116 is twisted to drive the telescopic rod 117 to drive the connecting plate 118, and cooperate with the restrictions of the guide sleeve 119 and the guide rod 120 to make the arc-shaped abutment plate 111 abut against the air outlet pipe of the bag dust collector, thereby completing the assembly of the integral needle felt filter bag, making the assembly of the integral needle felt filter bag more stable.

[0038] When using a needle-punched felt filter bag for chemical dust removal described in this embodiment, when installing the integral needle-punched felt filter bag and the bag-type dust collector, the filter bag support frame 102 is placed inside the filter bag body 101, and the plug-in blocks 115 on both sides are respectively inserted into the two plug-in frames 104, and then the bolts 113 are twisted to drive the locking screws 112 to be threadedly connected thereto, so that the plug-in blocks 115 can be fixed, and the assembly of the filter bag body 101 can be completed. The splicing seat 106 has an air inlet, and the air inlet on the splicing seat 106 is plugged into the air outlet pipe of the bag-type dust collector. When the After the splicing seat 106 is plugged into the air outlet pipe of the bag dust collector, the locking screw 116 is twisted to drive the telescopic rod 117 to drive the connecting plate 118, and the restrictions of the guide sleeve 119 and the guide rod 120 are cooperated so that the arc-shaped abutment plate 111 abuts against the air outlet pipe of the bag dust collector, and the assembly of the overall needle felt filter bag can be completed, thereby solving the problem of the existing needle felt filter bag for chemical dust removal, in which the air inlet on the mounting seat 103 is directly mounted on the bag dust collector and fixed by winding with steel wire, which will generate vibration during the dust removal operation and thus cause the connection of the needle felt filter bag to fall off, affecting the subsequent dust removal operation.

[0039] The second embodiment of the present application is:

[0040] See also Figure 5 ,in, Figure 5 It is an overall cross-sectional view of the second embodiment of the utility model.

[0041] On the basis of the first embodiment, the utility model provides a needle felt filter bag for chemical dust removal, wherein the installation device further comprises a limiting member 201 , and the limiting member 201 comprises a limiting groove 202 and a limiting ring 203 .

[0042] The limiting member 201 is disposed on one side of the mounting seat 103 , and the limiting member 201 is used for more precise assembly of the filter bag support frame 102 and the filter bag body 101 .

[0043] Secondly, the limiting groove 202 is fixedly connected to the mounting seat 103 and is located on one side of the mounting seat 103; the limiting ring 203 is fixedly connected to the splicing seat 106 and is located inside the limiting groove 202. When the filter bag support frame 102 and the filter bag body 101 are assembled, the limiting ring 203 on the splicing seat 106 is inserted into the limiting groove 202 on the mounting seat 103, so that the assembly of the filter bag support frame 102 and the filter bag body 101 is more precise.

[0044] When using the needle-punched felt filter bag for chemical dust removal described in this embodiment, when the filter bag support frame 102 and the filter bag body 101 are assembled, the limiting ring 203 on the splicing seat 106 is inserted into the limiting groove 202 on the mounting seat 103, so that the assembly of the filter bag support frame 102 and the filter bag body 101 is more precise.

[0045] The third embodiment of the present application is:

[0046] See also Figure 6 ,in, Figure 6 It is an overall cross-sectional view of the third embodiment of the utility model.

[0047] On the basis of the first embodiment, the utility model provides a needle-punched felt filter bag for chemical dust removal, and the needle-punched felt filter bag for chemical dust removal further includes a sealing ring 301 .

[0048] The sealing ring 301 is fixedly connected to the filter bag body 101 and is located inside the filter bag body 101 . The sealing ring 301 is used to increase the sealing performance when the filter bag support frame 102 and the filter bag body 101 are assembled.

[0049] When using the needle-punched felt filter bag for chemical dust removal described in this embodiment, the sealing ring 301 is used to increase the sealing performance when the filter bag support frame 102 and the filter bag body 101 are assembled.

[0050] What is disclosed above is only one or more preferred embodiments of the present application, and cannot be used to limit the scope of rights of the present application. Ordinary technicians in this field can understand that all or part of the processes of implementing the above embodiments and equivalent changes made according to the claims of the present application are still within the scope covered by the present application.

Claims

1. A needle-punched felt filter bag for chemical dust removal, comprising a filter bag body and a filter bag support frame, wherein the filter bag support frame is located on one side of the filter bag body; characterized in that: Also included is a mounting device; The installation device comprises a mounting seat, two plug-in frames, two locking members, a splicing seat, two plug-in members and two fixing structures; The mounting seat is fixedly connected to the filter bag body and is located on one side of the filter bag body; the two plug-in frames are respectively fixedly connected to the mounting seat and are respectively located on both sides of the mounting seat; the two locking members are respectively arranged on one side of the two plug-in frames; the splicing seat is fixedly connected to the filter bag support frame and is located on one side of the filter bag support frame; the two plug-in members are respectively arranged on both sides of the splicing seat; the two fixed structures are respectively located on both sides of the splicing seat; the fixed structure includes a bracket, an operating member and an arc-shaped abutment plate, the bracket is fixedly connected to the splicing seat and is located on one side of the splicing seat; the operating member is arranged on one side of the bracket; the arc-shaped abutment plate is fixedly connected to the operating member and is located on one side of the operating member.

2. A needle-punched felt filter bag for chemical dust removal as claimed in claim 1, characterized in that: The locking member comprises a locking screw and a bolt. The locking screw is threadedly connected to the plug-in frame and is located at one side of the plug-in frame. The bolt is fixedly connected to the locking screw and is located at one side of the locking screw.

3. A needle-punched felt filter bag for chemical dust removal as claimed in claim 2, characterized in that: The plug-in connector comprises a connecting block and a plug-in block. The connecting block is fixedly connected to the splicing seat and is located at one side of the splicing seat. The plug-in block is fixedly connected to the connecting block and is located inside the plug-in frame.

4. A needle-punched felt filter bag for chemical dust removal as claimed in claim 3, characterized in that: The operating part includes a locking screw, a telescopic rod, a connecting plate, a guide sleeve and a guide rod, wherein the locking screw is rotatably connected to the bracket and is located on one side of the bracket; the telescopic rod is threadedly connected to the locking screw and is located on one side of the locking screw; the connecting plate is fixedly connected to the telescopic rod and is located on one side of the telescopic rod; the guide sleeve is fixedly connected to the bracket and is located on one side of the bracket; the guide rod is slidably connected to the guide sleeve, fixedly connected to the connecting plate, and located on one side of the guide sleeve.

5. A needle-punched felt filter bag for chemical dust removal as claimed in claim 1, characterized in that: The mounting device further comprises a limiting member, and the limiting member is arranged on one side of the mounting seat.

6. A needle-punched felt filter bag for chemical dust removal as claimed in claim 5, characterized in that: The limiting member includes a limiting groove and a limiting ring. The limiting groove is fixedly connected to the mounting seat and is located at one side of the mounting seat; the limiting ring is fixedly connected to the splicing seat and is located inside the limiting groove.

7. A needle-punched felt filter bag for chemical dust removal as claimed in claim 1, characterized in that: The needle-punched felt filter bag for chemical dust removal also includes a sealing ring, which is fixedly connected to the filter bag body and is located inside the filter bag body.

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