Search

CN-224207623-U - Filter bag filter device of bag filter

CN224207623UCN 224207623 UCN224207623 UCN 224207623UCN-224207623-U

Abstract

The utility model discloses a filter bag filtering device of a bag filter, which comprises a supporting basket and a filter bag sleeved in the supporting basket, wherein a plurality of elastic connecting pull belts are arranged on the outer surface of the filter bag, a plurality of positioning hooks which are in one-to-one correspondence with the elastic connecting pull belts are arranged on the outer wall of the supporting basket, an extension opening is arranged below each positioning hook, the elastic connecting pull belts can penetrate out of the extension opening and are wound on the positioning hooks to be fixed, and the filter bag comprises a hydrophobic nanofiber membrane layer, an electrostatic adsorption non-woven fabric layer and a biodegradable hydrophilic membrane layer which are sequentially arranged from inside to outside. According to the utility model, the supporting basket is used as a supporting structure to prevent the filter bag from collapsing, the flow direction of fluid adopts up-in and down-out, three layers of filter bags are used for filtering, impurities with different particle sizes are fully trapped in the bag, clean liquid is discharged, the filtering precision is greatly improved, the filtering effect is ensured, the filter bag and the supporting basket are matched with each other through the elastic connecting pull belt and the positioning hook, rapid installation and disassembly can be realized, the filter bag is not easy to fall off, and the maintenance is simple and convenient.

Inventors

  • FAN LI
  • Qiang Baoguo

Assignees

  • 无锡强工机械工业有限公司

Dates

Publication Date
20260508
Application Date
20250603

Claims (7)

  1. 1. A filter bag filtering device of a bag filter is characterized by comprising a supporting basket (1) and filter bags (2) sleeved in the supporting basket (1), wherein a plurality of elastic connecting pull belts (3) are arranged on the outer surface of each filter bag (2), a plurality of positioning hooks (4) corresponding to the elastic connecting pull belts (3) one by one are arranged on the outer wall of the supporting basket (1), an extending opening (5) is arranged below each positioning hook (4), the elastic connecting pull belts (3) can penetrate out from the extending opening (5) and are wound on the positioning hooks (4) to be fixed, and each filter bag (2) comprises a hydrophobic nanofiber membrane layer (2 a), an electrostatic adsorption non-woven fabric layer (2 b) and a biodegradable hydrophilic membrane layer (2 c) which are sequentially arranged from inside to outside.
  2. 2. A filter pocket filter arrangement of a pocket filter according to claim 1, characterized in that several of the positioning hooks (4) are arranged in layers up and down, and that there are several of each layer, the several positioning hooks (4) of each layer being evenly arranged around the centre of the support basket (1).
  3. 3. The filter bag filter device of a bag filter according to claim 1, wherein the upper portion of the positioning hook (4) is bent inward and extends obliquely downward, and the elastic connecting drawstring (3) is provided with a connecting hole penetrating into the positioning hook (4) for fixing.
  4. 4. A filter bag filter device of a bag filter according to claim 1, wherein the hydrophobic nanofiber membrane layer (2 a) is a polytetrafluoroethylene membrane layer.
  5. 5. The filter bag filter device of a bag filter according to claim 1, wherein the biodegradable hydrophilic film layer (2 c) is a polylactic acid film layer.
  6. 6. The filter bag filter device of a bag filter according to claim 1, wherein the edges of the hydrophobic nanofiber membrane layer (2 a), the electrostatic adsorption non-woven fabric layer (2 b) and the biodegradable hydrophilic membrane layer (2 c) are bonded and connected.
  7. 7. A filter bag filter device of a bag filter according to claim 1, wherein a ring of supporting parts (1 a) protruding inwards are arranged on the inner wall of the top end of the supporting basket (1), and the supporting parts (1 a) are used for being matched with a compression ring to compress and fix the upper part of the filter bag (2).

Description

Filter bag filter device of bag filter Technical Field The utility model relates to the technical field of bag filters, in particular to a filter bag filter device of a bag filter. Background The traditional bag filter generally comprises a filter bag, a supporting net, a shell, an inlet and an outlet and the like, the filter bag is not firm enough when being installed and easy to fall off, the filter precision of the filter bag is single when in use, the filter bag with different precision needs to be replaced when treating different particle sizes, and the operation efficiency is affected. Disclosure of utility model The utility model aims to solve the technical problems of easy falling, single filtering precision and influence on the operation efficiency in the prior art. The technical scheme is that the filter bag filtering device of the bag filter comprises a supporting basket and a filter bag sleeved in the supporting basket, wherein a plurality of elastic connecting pull belts are arranged on the outer surface of the filter bag, a plurality of positioning hooks which are in one-to-one correspondence with the elastic connecting pull belts are arranged on the outer wall of the supporting basket, an extending opening is arranged below each positioning hook, the elastic connecting pull belts can penetrate out of the extending opening and are wound on the positioning hooks to be fixed, and the filter bag comprises a hydrophobic nanofiber membrane layer, an electrostatic adsorption non-woven fabric layer and a biodegradable hydrophilic membrane layer which are sequentially arranged from inside to outside. Further, in the utility model, the plurality of positioning hooks are arranged in multiple layers up and down, and each layer is provided with a plurality of positioning hooks, and the plurality of positioning hooks of each layer are uniformly arranged around the center of the supporting basket. Furthermore, in the utility model, the upper part of the positioning hook is bent inwards and extends obliquely downwards, the elastic connecting drawstring is provided with a connecting hole, and the connecting hole penetrates into the positioning hook to be fixed. Further, in the utility model, the hydrophobic nanofiber membrane layer is a polytetrafluoroethylene membrane layer. Further, in the utility model, the biodegradable hydrophilic film layer is a polylactic acid film layer. Further, in the utility model, the edges of the hydrophobic nanofiber membrane layer, the electrostatic adsorption non-woven fabric layer and the biodegradable hydrophilic membrane layer are bonded and connected. Further, the inner wall of the top end of the supporting basket is provided with a circle of supporting parts protruding inwards, and the supporting parts are used for being matched with the compression ring to compress and fix the upper part of the filter bag. Compared with the prior art, the utility model has the advantages that the support basket is used as a support structure to prevent the filter bag from collapsing, the flow direction of fluid adopts the up-in and down-out mode, the impurities with different particle sizes are fully trapped in the bag through the three layers of filtering of the filter bag, clean liquid is discharged, the filtering precision is greatly improved, the filtering effect is ensured, the filter bag and the support basket can be quickly assembled and disassembled through the cooperation of the elastic connection pull belt and the positioning hook, the filter bag is not easy to fall off, and the maintenance is simple and convenient. Drawings FIG. 1 is a schematic diagram of the structure of the present utility model; FIG. 2 is a cross-sectional view of the present utility model; FIG. 3 is an enlarged partial schematic view of portion A of FIG. 2; FIG. 4 is a schematic view showing a specific structure of the filter bag according to the present utility model. The device comprises a supporting basket, a supporting part, a filter bag, a hydrophobic nanofiber membrane layer, an electrostatic adsorption non-woven fabric layer, a biodegradable hydrophilic membrane layer, an elastic connecting drawstring, a positioning hook and an extension opening, wherein the supporting basket is 1a, the supporting part is 2, the filter bag is 2a, the hydrophobic nanofiber membrane layer is 2b, the electrostatic adsorption non-woven fabric layer is 2c, the biodegradable hydrophilic membrane layer is 3, the elastic connecting drawstring is 4, the positioning hook is 5, and the extension opening is formed. Detailed Description The following describes specific embodiments of the present utility model with reference to the drawings. Examples: referring to fig. 1 and 2, the specific implementation mode of a filter bag filtering device of a bag filter is shown in the attached drawings, and mainly comprises a support basket 1, wherein the support basket 1 is made of 304 stainless steel, a plurality of round holes are forme