CN211215868U

CN211215868U - Easy-to-assemble and disassemble filter bag component for bag-type dust collector

Info

Publication number: CN211215868U
Application number: CN201921819051.1U
Authority: CN
Inventors: 刘德元
Original assignee: Tianjin Sanqiang Lvyuan Environmental Protection Technology Co ltd
Current assignee: Tianjin Sanqiang Lvyuan Environmental Protection Technology Co ltd
Priority date: 2019-10-27
Filing date: 2019-10-27
Publication date: 2020-08-11
Anticipated expiration: 2029-10-27

Abstract

The utility model relates to an easy dismouting filter bag component for sack cleaner. The filter bag comprises two main beams, a plurality of branch beams are fixedly arranged between the two main beams, and a plurality of filter bag assemblies are respectively arranged below each branch beam; the filter bag assembly comprises an internal support rib net positioned inside, a filter bag body is coated outside the internal support rib net, an upper sleeve assembly is installed at the upper end of the filter bag assembly, and a lower sleeve is installed at the lower end of the filter bag assembly; the hanging assembly comprises a first lifting hook and a second lifting hook, springs are sleeved on the outer sides of the first lifting hook and the second lifting hook, the first lifting hook is connected with the branch cross beam through a chain, and the second lifting hook is connected with the upper sleeve assembly through a connecting base; still include the fixed plate subassembly, the fixed plate subassembly includes the fixed plate body, has seted up a plurality of windows that pass through on the fixed plate body, under each filter bag subassembly, installs the toper cover in each window that passes through, is equipped with the slope in the middle part of lower sleeve lateral wall. The utility model discloses simple structure, can the convenience that the lifting means maintained.

Description

Easy-to-assemble and disassemble filter bag component for bag-type dust collector

Technical Field

The utility model belongs to the technical field of the dust remover, especially, relate to an easy dismouting filter bag component for sack cleaner.

Background

The bag-type dust collector is a kind of environment-friendly equipment for removing dust in waste gas, and plays an important role in modern production and waste gas treatment. Dust is almost everywhere visible in industrial processes, such as the production of dust-laden waste gases as a result of mechanical working or comminution of solid matter, the formation of dust-laden waste gases as a result of condensation or oxidation of the vapours produced during heating of the matter in the air to form dust particles, the formation of dust-laden waste gases as a result of incomplete combustion of organic matter to form particles, the production of dust-laden waste gases as a result of mixing of foundry-sand-cleaning pulverulent matter of castings, etc. Dust-containing exhaust gas is an important air pollution factor to be controlled, and the bag-type dust collector is one of important facilities participating in the above-mentioned exhaust gas treatment.

The bag-type dust collector structurally generally comprises a shell, a plurality of filter bag assemblies are arranged in the shell in parallel, dust-containing waste gas enters the shell along a waste gas channel through an induced draft fan, dust in the waste gas is intercepted by the filter bag assemblies, relatively pure waste gas passes through the filter bag assemblies and is discharged to the ambient environment through an exhaust port in the shell, and the dust is collected at the bottom of the shell and is periodically discharged.

Considering that after a period of operation, a dust deposition layer is formed on the surface of each filter bag assembly to block the pores of the filter bags, so that the energy efficiency of the filter bag assemblies is reduced, the bag-type dust collector needs to be periodically shut down for maintenance, the main task of maintenance is to clean the filter bag assemblies to recover the filtering energy efficiency, and filter bag assemblies which cannot be recovered (such as damaged) should be replaced. In fact, the aforesaid is to the dismouting maintenance of filter bag subassembly can be said to be whole work in the plant maintenance, therefore filter bag subassembly and dismouting structure produce very important influence to the convenience of plant maintenance process, through carrying out optimal design to above-mentioned structure, will be favorable to promoting plant maintenance's convenience.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a solve the technical problem that exists among the well-known technology and provide a simple structure, can promote the easy dismouting filter bag component that is used for the sack cleaner of the convenient of equipment maintenance.

The utility model discloses a solve the technical scheme that technical problem that exists among the well-known technique took and be: an easy-to-assemble and disassemble filter bag component for a bag-type dust collector comprises two main beams which are oppositely arranged, a plurality of branch beams are fixedly installed between the two main beams, a plurality of filter bag assemblies are respectively arranged below each branch beam, and each filter bag assembly is hung and installed on the corresponding branch beam by adopting a hanging assembly; the filter bag assembly comprises an internal support rib net positioned inside, a filter bag body is coated outside the internal support rib net, an upper sleeve assembly is installed at the upper end of the filter bag assembly, and a lower sleeve is installed at the lower end of the filter bag assembly; the hanging assembly comprises a first lifting hook and a second lifting hook which are reversely arranged and in a reversed shape, springs are sleeved on the outer sides of the first lifting hook and the second lifting hook, the first lifting hook is connected with the branch cross beam through a chain, and the second lifting hook is connected with the upper sleeve assembly through a connecting base; still include the fixed plate subassembly, the fixed plate subassembly includes the fixed plate body, has seted up a plurality of windows that pass through on the fixed plate body, under each filter bag subassembly, installs the toper cover in each window that passes through, is equipped with the slope in the middle part of lower sleeve lateral wall, and each lower sleeve part is located each toper cover and its slope part supports with the toper cover and leans on.

The utility model has the advantages that: the utility model provides a simple reasonable easy dismouting filter bag component for sack cleaner of structural design compares with the filter bag component of installation in the current sack cleaner equipment, constitutes by interior support muscle net and filter bag body through setting up the filter bag subassembly among this technical scheme, makes filter bag subassembly self be in the state of strutting that lasts, is favorable to dusty waste gas to pass through in order to accomplish the filtration. Set up sleeve subassembly and set up between last sleeve subassembly and branch crossbeam through the top at the filter bag subassembly and hang the subassembly, realized the filter bag subassembly to hanging the installation on the branch crossbeam, because hang the subassembly and self possess certain elasticity, make the filter bag subassembly possess certain tremble effect under the effect of exhaust gas flow, this is favorable to adsorbing the dust on filter bag subassembly surface and drops, has prolonged the interval time that the filter bag subassembly was maintained. The bottom of the filter bag assembly is provided with the lower sleeve, and the fixed plate assembly is adopted to synchronously fix the lower sleeves, so that the technical effect that each filter bag assembly is stably kept in an upright state is realized, the lower sleeves support the lower ends of the filter bag assemblies, and the dust-containing waste gas is favorably circulated and enters the filter bag assembly. The utility model discloses a dismouting is carried out in the casing of sack cleaner equipment to whole filter bag component ten minutes is convenient for, when needs clean the maintenance to equipment, can dismantle this filter bag component from equipment fast conveniently, makes each filter bag subassembly can clean or change by convenient and fast ground.

Preferably: the inner support rib net comprises a plurality of fixing rings arranged from top to bottom at intervals, and a plurality of vertical metal rods are welded and installed on the outer wall of each fixing ring at equal angle intervals along the circumferential direction.

Preferably: the upper sleeve component comprises a stepped upper sleeve, an upper end plate is welded and installed at the upper end of the upper sleeve, the connecting base is welded and installed in the middle of the upper surface of the upper end plate, the lower end of the upper sleeve is inserted into the space on the inner side of the upper end of each metal rod of the inner support rib net, and each metal rod is welded and fixed with the upper sleeve.

Preferably: the upper end edge of filter bag body adopts the staple bolt to fix the ladder position at last sleeve middle part, is equipped with the screw hole that radially link up on last telescopic lateral wall, is equipped with the mounting hole in the relevant position of staple bolt, and the staple bolt adopts a plurality of fastening screw and upper sleeve fixed connection, and the lower extreme edge of filter bag body lies in the inboard of lower sleeve upper end edge and edge bonding between them fixed.

Preferably: a plurality of threaded holes are formed in the top wall of each branch cross beam, locking screws are arranged in the threaded holes, the chain of the hanging assembly is lapped on the corresponding branch cross beam, and the locking screws are located in one chain flap of the chain.

Preferably: the two ends of each main cross beam are provided with mounting holes, top bolts are arranged in the mounting holes, a plurality of mounting holes are arranged at the edge position of the fixing plate body of the fixing plate assembly, and bottom bolts are arranged in the mounting holes.

Preferably: and the two ends of each branch cross beam are welded and fixed with the main cross beams on the two sides.

Drawings

Fig. 1 is a schematic view of the partial sectional structure of the front view of the present invention;

FIG. 2 is an enlarged schematic view of portion A of FIG. 1;

fig. 3 is an enlarged schematic view of a portion B of fig. 1.

In the figure: 1. a main cross beam; 2. a branch beam; 3. a hanging component; 3-1, chain; 3-2, a first hook; 3-3, a second hook; 3-4, a spring; 3-5, connecting a base; 4. a top bolt; 5. an upper sleeve assembly; 5-1, an upper end plate; 5-2, an upper sleeve; 5-3, fastening screws; 5-4, hoop; 6. a filter bag assembly; 6-1, a filter bag body; 6-2, supporting a rib net in an inner mode; 7. a lower sleeve; 8. a fixed plate assembly; 8-1, fixing the plate body; 8-2, a conical sleeve; 9. a bottom bolt.

Detailed Description

In order to further understand the contents, features and effects of the present invention, the following embodiments are described in detail:

please refer to fig. 1 to 3, the easy-to-mount filter bag component for a bag-type dust collector of the present invention includes two main beams 1 disposed oppositely, a plurality of branch beams 2 are installed and fixed between the two main beams 1, and the two main beams 1 and the plurality of branch beams 2 jointly constitute a support device located above and hanging a plurality of filter bag assemblies 6.

In this embodiment, both ends of each branch beam 2 and the main beam 1 on both sides are welded and fixed, and both the main beam 1 and the branch beams 2 can be obtained by cutting square steel. During installation, the respective two ends of the two main beams 1 are fixed to the installation base on the upper portion of the inner wall of the shell of the bag-type dust collector, in the embodiment, the two ends of each main beam 1 are provided with installation holes, top bolts 4 are arranged in the installation holes, and the main beams 1 are fixedly connected with the installation base through the top bolts 4.

A plurality of filter bag components 6 are respectively arranged below each branch beam 2, and each filter bag component 6 is respectively hung and installed on the corresponding branch beam 2 by adopting a hanging component 3. Therefore, the filter bag assemblies 6 are hung and installed below the support device at the same time, and a plurality of filtering passages are provided for dust-containing waste gas.

The filter bag assembly 6 comprises an inner support rib net 6-2 positioned inside, a filter bag body 6-1 is coated on the outer side of the inner support rib net 6-2, and the inner support rib net 6-2 serves as an inner framework to prop open the filter bag body 6-1, so that dust-containing waste gas can conveniently circulate inside.

In this embodiment, interior support muscle net 6-2 is including a plurality of solid fixed rings that from top to bottom interval set up, and the equal angular interval welding of edge circumferential direction is installed a plurality of vertical metal poles on solid fixed ring's outer wall, and solid fixed ring can form the closed loop with the steel plate ring-type after buckling and obtain, and the metal pole can be selected to the round steel.

The hanging component 3 comprises a first lifting hook 3-2 and a second lifting hook 3-3 which are reversely arranged and are in a shape like a Chinese character ji, a spring 3-4 is sleeved on the outer side of the first lifting hook 3-2 and the second lifting hook 3-3, the first lifting hook 3-2 is connected with the branch cross beam 2 through a chain 3-1, and the second lifting hook 3-3 is connected with the upper sleeve component 5 through a connecting base 3-5. As shown in the figure, the first hook 3-2 and the second hook 3-3 are both formed by bending a metal rod, specifically, the metal rod cut into segments is firstly folded from the middle part, and then the two ends are bent backwards to form hook claws, so that the first hook 3-2 and the second hook 3-3 in a shape like a Chinese character 'ji' are formed. The first hook 3-2 and the second hook 3-3 are reversely arranged, namely the first hook 3-2 is arranged in the forward direction, the second hook 3-3 is arranged in the reverse direction, then the spring 3-4 is arranged at the position where the first hook 3-2 and the second hook are overlapped, the upper edge of the spring 3-4 falls into the hook claw at the upper part of the second hook 3-3, and the lower edge of the spring 3-4 falls into the hook claw at the lower part of the first hook 3-2.

The assembly formed by the first lifting hook 3-2, the second lifting hook 3-3 and the spring 3-4 has a certain elastic buffering effect, so that when exhaust gas flows in the equipment, each filter bag component 6 has a certain vibration effect (repeated small-amplitude expansion and contraction of the assembly) under the action of the air flow, and the vibration effect is applied to the filter bag component 6 to enable dust adsorbed on the surface of the filter bag body 6-1 to fall off.

In this embodiment, the top wall of each branch beam 2 is provided with a plurality of threaded holes, each threaded hole is internally provided with a locking screw, the chain 3-1 of the hanging component 3 is lapped on the corresponding branch beam 2, and the locking screw is positioned in one chain flap of the chain 3-1. As shown in the figure, the chain 3-1 extends upward from one side of the branch beam 2 above it, then turns to a transverse direction, and a locking screw penetrates from one of the chain lobes of the chain 3-1 and is screwed into a threaded hole on the branch beam 2. Thus, the hanging module 3 can be easily mounted and dismounted to and from the branch beam 2.

The upper end of the filter bag assembly 6 is provided with an upper sleeve assembly 5, and the lower end is provided with a lower sleeve 7. Wherein, the upper sleeve component 5 is used for sealing the upper end of the filter bag component 6 and providing a connecting function, and the lower sleeve component 7 is used for expanding the lower end of the filter bag component 6 and providing a connecting function.

In this embodiment, the upper sleeve assembly 5 includes a stepped upper sleeve 5-2 (i.e., the upper end of the upper sleeve 5-2 is thinner and the lower end is thicker, and a step is formed at the boundary position), an upper end plate 5-1 is welded and installed at the upper end of the upper sleeve 5-2, a connection base 3-5 is welded and installed at the middle position of the upper surface of the upper end plate 5-1, the lower end of the upper sleeve 5-2 is inserted into a space inside the upper end of each metal rod of the inner support rib net 6-2, and each metal rod is welded and fixed with the upper sleeve 5-2.

The upper end edge of the filter bag body 6-1 is fixed at the step position in the middle of the upper sleeve 5-2 by adopting an anchor ear 5-4, as shown in the figure, a radial through threaded hole is arranged on the side wall of the upper sleeve 5-2, a mounting hole is arranged at the corresponding position of the anchor ear 5-4, the anchor ear 5-4 is fixedly connected with the upper sleeve 5-2 by adopting a plurality of fastening screws 5-3, the lower end edge of the filter bag body 6-1 is positioned at the inner side of the upper end edge of the lower sleeve 7, and the edges of the upper end edge and the lower end edge are fixedly bonded.

The hoop 5-4 can be composed of a plurality of split pieces, and when the novel filter bag is used, the split pieces are gathered from different directions to the middle part, so that convenience in mounting and fixing the upper end edge of the filter bag body 6-1 is improved. As shown in the figure, the upper end edge of the filter bag body 6-1 can be bent outwards to form a flange, and the flange is wrapped on the outer side of the hoop 5-4, so that when the filter bag is fixed by the fastening screw 5-3, the fastening screw 5-3 sequentially penetrates through the flange of the filter bag body 6-1, the hoop 5-4, the upper end edge of the filter bag body 6-1 and the side wall of the upper sleeve 5-2 from outside to inside, the fixing effect is firm after screwing, and the filter bag body 6-1 cannot be loosened and the like. Because the upper sleeve 5-2 is in a step shape, the upper end edge of the filter bag body 6-1 is not easy to slip downwards after the hoop 5-4 is adopted to fix the upper end edge of the filter bag body.

The filter bag structure is characterized by further comprising a fixed plate assembly 8, the fixed plate assembly 8 comprises a fixed plate body 8-1, a plurality of through windows are formed in the fixed plate body 8-1 and under each filter bag assembly 6, conical sleeves 8-2 (in a welded and fixed relation) are installed in the through windows, slopes are arranged in the middle of the side wall of the lower sleeve 7 (namely, the lower sleeve 7 is a stepped sleeve like the upper sleeve 5-2, the upper end of the lower sleeve 7 is thin, the lower end of the lower sleeve 7 is thick, and a step is formed in the junction position), each lower sleeve 7 is located in each conical sleeve 8-2, and the slope portion of each lower sleeve is abutted to the conical sleeve 8-2.

The fixed plate assembly 8 is used for synchronously fixing the lower ends of the filter bag assemblies 6, and due to the matching relationship between the lower sleeve 7 and the conical sleeve 8-2, when the fixed plate assembly 8 is fixed into the shell of the equipment, the lower sleeve 7 cannot be separated from the conical sleeve 8-2, so that each filter bag assembly 6 is kept in a stable vertical state. In the fixing process of the fixing plate component 8, a downward pulling effect is also generated on the filter bag components 6 above, and the stability of each filter bag component 6 is further improved.

In this embodiment, a plurality of mounting holes are formed in the edge of the fixing plate body 8-1 of the fixing plate assembly 8, and bottom bolts 9 are provided in the mounting holes. The whole fixed plate component 8 is fixed with a mounting base arranged at the lower part of the inner wall of the shell of the bag-type dust collector through bottom bolts 9.

The utility model discloses a dismouting method:

(1) assembly

Combining the inner support rib net 6-2 and the filter bag body 6-1 to form a filter bag assembly 6, wherein the top of the filter bag assembly 6 is provided with an upper sleeve assembly 5, and the lower part of the filter bag assembly 6 is provided with a lower sleeve 7; a hoisting component 3 is arranged on each upper sleeve component 5;

a through window is arranged at a corresponding position on the fixing plate body 8-1, and each conical sleeve 8-2 is welded and installed in the through window; then, each filter bag assembly 6 penetrates into each conical sleeve 8-2 from bottom to top, and then a chain 3-1 of each hoisting assembly 3 is fixedly connected to a support device formed by the main beam 1 and the branch beams 2;

then, the combined body is hoisted and moved into the shell of the bag-type dust collector by using facilities such as a crown block, assembling personnel enter the interior through an access hole in the shell, the fixing plate body 8-1 is fixed with a mounting base at the lower part of the shell through a plurality of bottom bolts 9, and then the support device above the fixing plate body is fixed with the mounting base at the upper part of the shell through a plurality of top bolts 4.

(2) Disassembly and cleaning

When cleaning and maintenance are needed, a maintainer enters the interior of the filter bag assembly through a maintenance hole in the shell (mouth and nose protection is done), all bottom bolts 9 and top bolts 4 are disassembled, the assembly is integrally lifted out of the shell by using facilities such as a crown block, all hoisting assemblies 3 and the support device are released from fixation by disassembling all locking screws, and then all filter bag assemblies 6 can be completely or selectively disassembled; each filter bag body 6-1 can be directly cleaned, when the filter bag body 6-1 needs to be replaced due to the problems of damage and the like, each fastening screw 5-3 and the hoop 5-4 can be disassembled, and meanwhile, the lower sleeve 7 and the lower end edge of the filter bag body 6-1 are debonded by a cutter and the like; a new filter bag body 6-1 is sleeved on the inner support rib net 6-2, the upper end edge is fixed through a fastening screw 5-3 and a hoop 5-4, and the lower end edge is fixed with a lower sleeve 7 through a bonding mode;

and after the cleaning operation and the replacement operation are finished, the assembly is carried out again.

Claims

1. The utility model provides an easy dismouting filter bag component for sack cleaner, characterized by: the filter bag hanging device comprises two main beams (1) which are oppositely arranged, a plurality of branch beams (2) are fixedly arranged between the two main beams (1), a plurality of filter bag assemblies (6) are respectively arranged below each branch beam (2), and each filter bag assembly (6) is hung and arranged on the corresponding branch beam (2) by adopting a hanging assembly (3); the filter bag assembly (6) comprises an inner support rib net (6-2) positioned inside, a filter bag body (6-1) is coated on the outer side of the inner support rib net (6-2), an upper sleeve assembly (5) is installed at the upper end of the filter bag assembly (6), and a lower sleeve (7) is installed at the lower end of the filter bag assembly; the hanging component (3) comprises a first lifting hook (3-2) and a second lifting hook (3-3) which are reversely arranged and are in a shape like a Chinese character 'ji', springs (3-4) are sleeved on the outer sides of the first lifting hook and the second lifting hook, the first lifting hook (3-2) is connected with the branch cross beam (2) through a chain (3-1), and the second lifting hook (3-3) is connected with the upper sleeve component (5) through a connecting base (3-5); the filter bag filter is characterized by further comprising a fixing plate assembly (8), the fixing plate assembly (8) comprises a fixing plate body (8-1), a plurality of through windows are formed in the fixing plate body (8-1) and under each filter bag assembly (6), conical sleeves (8-2) are installed in the through windows, slopes are arranged in the middle of the side wall of each lower sleeve (7), each lower sleeve (7) is located in each conical sleeve (8-2) and the slope portion of each lower sleeve is abutted to the conical sleeve (8-2).

2. The easy-to-disassemble filter bag member for a bag-type dust collector as claimed in claim 1, wherein: the inner support rib net (6-2) comprises a plurality of fixing rings arranged from top to bottom at intervals, and a plurality of vertical metal rods are welded on the outer wall of each fixing ring at equal angular intervals along the circumferential direction.

3. The easy-to-disassemble filter bag member for a bag-type dust collector as set forth in claim 2, wherein: the upper sleeve component (5) comprises a stepped upper sleeve (5-2), an upper end plate (5-1) is welded and installed at the upper end of the upper sleeve (5-2), the connecting base (3-5) is welded and installed in the middle of the upper surface of the upper end plate (5-1), the lower end of the upper sleeve (5-2) is inserted into a space on the inner side of the upper end of each metal rod of the inner support rib net (6-2), and each metal rod is welded and fixed with the upper sleeve (5-2).

4. The easy-to-disassemble filter bag member for a bag-type dust collector as set forth in claim 3, wherein: the upper end edge of the filter bag body (6-1) is fixed at the step position in the middle of the upper sleeve (5-2) by adopting an anchor ear (5-4), the side wall of the upper sleeve (5-2) is provided with a radial through threaded hole, the corresponding position of the anchor ear (5-4) is provided with a mounting hole, the anchor ear (5-4) is fixedly connected with the upper sleeve (5-2) by adopting a plurality of fastening screws (5-3), the lower end edge of the filter bag body (6-1) is positioned at the inner side of the upper end edge of the lower sleeve (7), and the edges of the upper end edge and the lower end edge are bonded and fixed.

5. The easy-to-disassemble filter bag member for a bag-type dust collector as set forth in claim 4, wherein: the top wall of each branch beam (2) is provided with a plurality of threaded holes, each threaded hole is internally provided with a locking screw, a chain (3-1) of the hanging assembly (3) is lapped on the corresponding branch beam (2), and the locking screw is positioned in one chain flap of the chain (3-1).

6. The easy-to-disassemble filter bag member for a bag-type dust collector as set forth in claim 5, wherein: mounting holes are formed in two ends of each main cross beam (1), top bolts (4) are arranged in the mounting holes, a plurality of mounting holes are formed in the edge position of a fixing plate body (8-1) of the fixing plate assembly (8), and bottom bolts (9) are arranged in the mounting holes.

7. The easy-to-disassemble filter bag member for a bag-type dust collector as set forth in claim 6, wherein: the two ends of each branch cross beam (2) are welded and fixed with the main cross beams (1) at the two sides.