CN217391853U

CN217391853U - Filter bag for desulfurization of steel plant

Info

Publication number: CN217391853U
Application number: CN202221010986.7U
Authority: CN
Inventors: 聂嘉旭; 王金生; 张美�
Original assignee: Fushun Tianxingda Industrial Fabrics Co ltd
Current assignee: Fushun Tianxingda Industrial Fabrics Co ltd
Priority date: 2022-04-28
Filing date: 2022-04-28
Publication date: 2022-09-09
Anticipated expiration: 2032-04-28

Abstract

The utility model discloses a filter bag for desulfurization in steel plant, which comprises a cloth bag mechanism and a contracting framework mechanism, wherein the cloth bag mechanism comprises a filter cloth and fixing nails, the top of the filter cloth is provided with a connecting sleeve, the contracting framework mechanism comprises an upper mounting ring and an auxiliary support ring, the connecting sleeve is arranged on the surface of the upper mounting ring, the inner side of the upper mounting ring is riveted with the fixing nails, the lower surface of the upper mounting ring is uniformly provided with a connecting plate A through a pin shaft, the upper surface of the auxiliary support ring is uniformly provided with a connecting plate B through a pin shaft, the lower surface of the auxiliary support ring is also uniformly provided with a connecting plate A, the surface above the connecting plate B is symmetrically provided with a support plate, the two sides below the connecting plate A are symmetrically provided with mounting shafts, the filter bag is internally provided with a foldable support framework, which is convenient for quick extension, and ensures that the framework can be effectively fixed after extension, ensures that the filter bag is always in a full state in the using process and ensures the filtering effect.

Description

Filter bag for desulfurization of steel plant

Technical Field

The utility model belongs to the technical field of the filter bag, concretely relates to filter bag is used in steel mill's desulfurization.

Background

Along with the continuous development of society, the industry has been developed rapidly, the steel-making technology has been promoted rapidly, but because the steel-making process often produces a large amount of harmful gas containing sulfur, which causes serious pollution to the environment, therefore, a steel-making desulfurization device has come into play, such devices in the current market are various, basically meet the use requirements in the industry, but still have many problems, the desulfurization procedure of such devices in the current market is single, most of the devices are desulfurization in one mode, so that the sulfur in the waste gas can not be completely removed, the environment can still be polluted, and the body health of workers is seriously damaged, and meanwhile, such devices in the current market are mostly single condensing devices and activated carbon filter layers, so that the filtering effect on the gas is poor, the later-stage desulfurization effect is affected, and the waste gas treatment is incomplete, cause the pollution to the environment, consequently can increase the filter bag in the in-process of steelmaking production in fume emission department, it is very filterable to contain the sulphide in the flue gas, prevent directly to discharge outdoor influence environment, current filter bag need increase the support in inside after the installation, in order to guarantee that the filter bag is in full state all the time, increase the filter effect, but current support chassis is mostly the bracing piece, it is comparatively inconvenient to assemble, can't realize fast assembly, if assemble in advance to have to occupy great space and be unfavorable for storing.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a steel mill is filter bag for desulfurization to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above purpose, the utility model provides a following technical scheme: a filter bag for desulfurization in a steel plant comprises a bag mechanism and a shrinkage framework mechanism, wherein the bag mechanism comprises filter cloth and fixing nails, a connecting sleeve is arranged at the top of the filter cloth, the shrinkage framework mechanism comprises an upper mounting ring and an auxiliary support ring, the connecting sleeve is sleeved on the surface of the upper mounting ring, the fixing nails are riveted on the inner side of the upper mounting ring, a connecting plate A is uniformly arranged on the lower surface of the upper mounting ring through a pin shaft, a connecting plate B is uniformly arranged on the upper surface of the auxiliary support ring through a pin shaft, a connecting plate A is also uniformly arranged on the lower surface of the auxiliary support ring, a support plate is symmetrically arranged on the surface above the connecting plate B, mounting shafts are symmetrically arranged on two sides below the connecting plate A, the mounting shafts are mounted on the inner side of the support plate through bearings, a plurality of the auxiliary support rings are all arranged on the inner side of the filter cloth, the outer surface of the auxiliary support rings is contacted with the inner wall of the filter cloth, the filter cloth is characterized in that dust collecting cloth is arranged below the filter cloth and is communicated with the inside of the filter cloth, a connecting cylinder is installed at the bottom of the dust collecting cloth, and a sealing cover is screwed on the surface of the connecting cylinder through threads.

Preferably, the lower surface of the connecting plate A is welded with a half ratchet sleeve, the half ratchet sleeve is arranged between the two supporting plates, the upper surface of the connecting plate B is provided with a mounting seat, and the mounting seat corresponds to the half ratchet sleeve in position.

Preferably, the mounting base has an inside mounting hole, the inside slidable mounting of mounting hole has the gag lever post, just the gag lever post runs through the mounting base upper surface, the gag lever post top is mutually supported with half ratchet cover.

Preferably, a return spring is arranged inside the mounting hole, and the top of the return spring is in contact with the lower surface of the limiting rod.

Preferably, the bottom of the limiting rod is connected with a pull rope, the pull rope penetrates through the return spring, and an adjusting hole is formed in the inner side surface of the connecting plate B.

Preferably, a button is slidably mounted in the adjusting hole, the button penetrates through the inner side surface of the connecting plate B, and an adjusting rod is arranged at one end of the button.

Preferably, the adjusting rod is arranged in the adjusting hole, and one end of the pull rope, which is far away from the limiting rod, is connected to the end part of the adjusting rod.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model provides a steel mill is filter bag for desulfurization, this filter bag is provided with folding supporting framework in inside, is convenient for extend fast, and guarantees to extend the back skeleton and can obtain effectual fixed, guarantees that the filter bag is in full state all the time in the use, ensures the filter effect, can fold the joint department of skeleton one by one when not using, reduces the storage space.

Drawings

FIG. 1 is a schematic view of the external connection structure of the present invention;

FIG. 2 is a schematic view of the structure of the retractable framework of the present invention;

FIG. 3 is a longitudinal front sectional view of a connection plate A and a connection plate B of the present invention;

fig. 4 is an enlarged view of the area a of fig. 2 according to the present invention.

In the figure: 1. a cloth bag mechanism; 101. a filter cloth; 102. connecting sleeves; 103. fixing nails; 104. a dust collecting cloth; 105. a connecting cylinder; 106. a sealing cover; 2. a skeleton contracting mechanism; 201. installing a ring; 202. a connecting plate A; 203. a secondary support ring; 204. a connecting plate B; 205. a support plate; 206. installing a shaft; 207. a half ratchet sleeve; 208. a mounting base; 209. mounting holes; 210. a limiting rod; 211. a return spring; 212. pulling a rope; 213. an adjustment hole; 214. a button; 215. an adjusting rod.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

Referring to fig. 1-4, the present invention provides the following technical solutions: a filter bag for desulfurization in a steel plant comprises a bag mechanism 1 and a contraction framework mechanism 2, wherein the bag mechanism 1 comprises a filter cloth 101 and fixing nails 103, the top of the filter cloth 101 is provided with a connecting sleeve 102, the contraction framework mechanism 2 comprises an upper mounting ring 201 and an auxiliary support ring 203, the connecting sleeve 102 is sleeved on the surface of the upper mounting ring 201, the inner side of the upper mounting ring 201 is riveted with the fixing nails 103, the lower surface of the upper mounting ring 201 is uniformly provided with a connecting plate A202 through a pin shaft, the upper surface of the auxiliary support ring 203 is uniformly provided with a connecting plate B204 through a pin shaft, the lower surface of the auxiliary support ring 203 is also uniformly provided with the connecting plate A202, the upper surface of the connecting plate B204 is symmetrically provided with a support plate 205, the two sides below the connecting plate A202 are symmetrically provided with mounting shafts 206, the mounting shafts 206 are arranged on the inner side of the support plate 205 through bearings, a plurality of auxiliary support rings 203 are arranged on the inner side of the filter cloth 101, and the outer surface of the auxiliary support rings 203 is contacted with the inner wall of the filter cloth 101, a dust collecting cloth 104 is arranged below the filter cloth 101, the dust collecting cloth 104 is communicated with the inside of the filter cloth 101, a connecting cylinder 105 is arranged at the bottom of the dust collecting cloth 104, and a sealing cover 106 is screwed on the surface of the connecting cylinder 105 through threads.

In order to ensure that the connecting plate a202 and the connecting plate B204 can always be in a vertical state when in use through the matching of the half ratchet sleeve 207 and the limiting rod 210, so as to ensure the stability of support, in this embodiment, preferably, the half ratchet sleeve 207 is welded on the lower surface of the connecting plate a202, the half ratchet sleeve 207 is arranged between the two support plates 205, the upper surface of the connecting plate B204 is provided with a mounting seat 208, the mounting seat 208 corresponds to the half ratchet sleeve 207 in position, a mounting hole 209 is formed in the mounting seat 208, the limiting rod 210 is slidably mounted in the mounting hole 209, the limiting rod 210 penetrates through the upper surface of the mounting seat 208, and the top of the limiting rod 210 is matched with the half ratchet sleeve 207.

In order to ensure that the limiting rod 210 always has an upward force so as to limit the half ratchet sleeve 207 and prevent the half ratchet sleeve from rotating, in the embodiment, it is preferable that a return spring 211 is arranged inside the mounting hole 209, and the top of the return spring 211 contacts with the lower surface of the limiting rod 210.

In order to be contracted again, so as to facilitate storage and save storage space, in this embodiment, preferably, the bottom of the limiting rod 210 is connected with a pull rope 212, the pull rope 212 penetrates through the return spring 211, an adjusting hole 213 is formed in the inner side surface of the connecting plate B204, a button 214 is slidably mounted in the adjusting hole 213, the button 214 penetrates through the inner side surface of the connecting plate B204, an adjusting rod 215 is arranged at one end of the button 214, the adjusting rod 215 is arranged in the adjusting hole 213, and one end of the pull rope 212, which is far away from the limiting rod 210, is connected to the end of the adjusting rod 215.

The utility model discloses a theory of operation and use flow: when the bag filter is installed, the connecting sleeve 102 can be firstly sleeved on the surface of the upper mounting ring 201, the whole contracting framework mechanism 2 is ensured to be arranged on the inner side of the bag mechanism 1, then the connecting sleeve 102 and the upper mounting ring 201 are fixed through the fixing nails 103, the fixing nails 103 are arranged on the inner side surface of the upper mounting ring 201 to prevent the whole filter bag from being blocked when the bag filter is installed, in order to ensure the stability of the filter bag in the operation process, the outer side surfaces of a plurality of auxiliary support rings 203 on the surface of the filter cloth 101 can be fixed with each other through the fixing nails 103, in order to ensure the filtering effect of the bag mechanism 1, the connecting cylinder 105 and the sealing cover 106 are required to be ensured to be in a sealing state when the bag filter is used to prevent the inside dust from being separated, the mounting ring 201 can be directly lifted up when the bag filter is extended, so that the whole filter bag is in a suspended state, and the angles of the connecting plates A202 and B204 are opened to gradually tend to be vertical, because the tooth surface inclination direction of the half ratchet sleeve 207 is not hindered when the angles of the connecting plate A202 and the connecting plate B204 are gradually enlarged, and the tooth surface of the half ratchet sleeve 207 can cause downward pressure on the limiting rod 210 in the rotating process, the top of the limiting rod 210 is set to be an inclined surface, the inclination direction is the same as the tooth surface inclination direction of the half ratchet sleeve 207, the limiting rod 210 is always forced upwards due to the existence of the return spring 211, the limiting rod 210 can return immediately when each tooth surface of the half ratchet sleeve 207 presses the limiting rod 210 downwards, when the connecting plate A202 and the connecting plate B204 are in a vertical state, the whole filter bag is completely unfolded, the connecting plate A202 and the connecting plate B204 cannot rotate outwards due to the existence of the outside filter cloth 101, but the connecting plate A202 and the connecting plate B204 cannot return due to the mutual matching of the half ratchet sleeve 207 and the limiting rod 210, in order to guarantee the fixed of support, realize the effect of quick expansion, so as to realize the quick replacement filter bag, after the long-time work of filter bag, inside can pile up a lot of impurity, and can pile up the device bottom, connecting cylinder 105 can be opened this moment, make inside impurity pour out through sealed lid 106, need not to dismantle the filter bag, press button 214 one by one through the manual work if need with the filter bag is folding, press down to button 214 and make its inwardly directed movement, will drive adjusting lever 215 inwardly directed movement, then can come to move stay cord 212, through stay cord 212 pulling gag lever post 210 downwardly directed movement, make its cooperation that breaks away from with half ratchet cover 207, can take place to rotate between connecting plate A202 and the connecting plate B204 this moment, the manual work makes its infolding, then make between the vice support ring 203 be close to each other folding, be convenient for accomodate and store.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a steel mill is filter bag for desulfurization, includes sack mechanism (1) and shrink skeleton mechanism (2), its characterized in that: the cloth bag mechanism (1) comprises filter cloth (101) and fixing nails (103), a connecting sleeve (102) is arranged at the top of the filter cloth (101), the contraction framework mechanism (2) comprises an upper mounting ring (201) and an auxiliary support ring (203), the connecting sleeve (102) is sleeved on the surface of the upper mounting ring (201), the fixing nails (103) are riveted on the inner side of the upper mounting ring (201), a connecting plate A (202) is uniformly mounted on the lower surface of the upper mounting ring (201) through a pin shaft, a connecting plate B (204) is uniformly mounted on the upper surface of the auxiliary support ring (203) through a pin shaft, the connecting plate A (202) is also uniformly arranged on the lower surface of the auxiliary support ring (203), a support plate (205) is symmetrically arranged on the surface above the connecting plate B (204), mounting shafts (206) are symmetrically arranged on two sides below the connecting plate A (202), and the mounting shafts (206) are mounted on the inner side of the support plate (205) through bearings, the dust collecting device is characterized in that the auxiliary support rings (203) are arranged on the inner side of the filter cloth (101), the outer surfaces of the auxiliary support rings (203) are in contact with the inner wall of the filter cloth (101), dust collecting cloth (104) is arranged below the filter cloth (101), the dust collecting cloth (104) is communicated with the inside of the filter cloth (101), a connecting cylinder (105) is installed at the bottom of the dust collecting cloth (104), and a sealing cover (106) is screwed on the surface of the connecting cylinder (105) through threads.

2. The filter bag for desulfurization in a steel plant according to claim 1, characterized in that: the lower surface of the connecting plate A (202) is welded with a half ratchet sleeve (207), the half ratchet sleeve (207) is arranged between the two supporting plates (205), the upper surface of the connecting plate B (204) is provided with a mounting seat (208), and the mounting seat (208) corresponds to the half ratchet sleeve (207).

3. The filter bag for desulfurization in a steel plant according to claim 2, characterized in that: mounting hole (209) have been seted up to mount pad (208) inside, inside slidable mounting in mounting hole (209) has gag lever post (210), just gag lever post (210) run through mount pad (208) upper surface, gag lever post (210) top and half ratchet cover (207) are mutually supported.

4. The filter bag for desulfurization in a steel plant according to claim 3, characterized in that: the inside return spring (211) that is provided with of mounting hole (209), return spring (211) top contacts with gag lever post (210) lower surface.

5. The filter bag for desulfurization in a steel plant according to claim 4, wherein: the bottom of the limiting rod (210) is connected with a pull rope (212), the pull rope (212) penetrates through a return spring (211), and an adjusting hole (213) is formed in the inner side surface of the connecting plate B (204).

6. The filter bag for desulfurization in a steel plant according to claim 5, wherein: adjusting hole (213) inside slidable mounting has button (214), button (214) run through connecting plate B (204) inside surface, button (214) one end is provided with adjusting lever (215).

7. The filter bag for desulfurization in steel works according to claim 6, wherein: the adjusting rod (215) is arranged in the adjusting hole (213), and one end of the pull rope (212) departing from the limiting rod (210) is connected to the end part of the adjusting rod (215).