CN217015782U

CN217015782U - Online nitrogen back-blowing rhombic wide and flat bag dust remover

Info

Publication number: CN217015782U
Application number: CN202220888015.6U
Authority: CN
Inventors: 谷钧; 兑关镇; 王蕾
Original assignee: Shanxi Siwo Energy Conservation And Environmental Protection Technology Co ltd
Current assignee: Shanxi Siwo Energy Conservation And Environmental Protection Technology Co ltd
Priority date: 2022-04-18
Filing date: 2022-04-18
Publication date: 2022-07-22
Anticipated expiration: 2032-04-18

Abstract

The utility model relates to an online nitrogen back-blowing rhombic wide and flat bag dust remover, which belongs to the technical field of bag dust removers and particularly comprises a smoke dust inlet arranged on one side of a shell, a plurality of dust removing units arranged in the shell, an ash hopper arranged at the bottom of each dust removing unit, an ash falling port arranged at the bottom of the ash hopper, a clean gas box arranged at the top of the shell, a clean gas outlet arranged on one side of the clean gas box, a smoke guide port arranged on the clean gas box, a plurality of cloth gas boxes communicated with the dust removing units through the smoke guide ports, a plurality of back-blowing pipes arranged on the clean gas box and corresponding to the dust removing units one by one, a plurality of back-blowing pipes arranged on the cloth gas box and extending into the dust removing units, a back-blowing main pipe arranged at the top of the shell, a nitrogen tank connected with the back-blowing main pipe, a plurality of back-blowing branch pipes arranged on the back-blowing main pipe and connected with the cloth gas box, the back-blowing branch pipe is provided with a control valve, and the utility model has high efficiency, low resistance, reliable operation and simple and convenient maintenance.

Description

Online nitrogen back-blowing rhombic wide and flat bag dust remover

Technical Field

The utility model relates to an online nitrogen back-blowing rhombic wide and flat bag dust remover, and belongs to the technical field of bag dust removers.

Background

The bag type dust collector is a dry dust filtering device, it is suitable for catching tiny, dry, non-fibrous dust, the filter bag is made of woven filter cloth or non-woven felt, utilize the filtering action of the fabric to filter the dust-containing gas, after the dust-containing gas enters the bag type dust collector, the dust with big granule and big proportion falls into the dust hopper because of the function of gravity subsides, the gas containing tiny dust is when passing the filter material, the dust is detained, make the gas purified. At present, the existing bag type dust collector mainly adopts a circular filter bag structure, and due to the adoption of the structure, the installation and fixation are troublesome, the occupied space is large, and the later-stage replacement and maintenance are inconvenient.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problems in the prior art, the utility model provides the on-line nitrogen back-blowing rhombic wide and flat bag dust remover which has high efficiency, low resistance, reliable operation and simple and convenient maintenance.

In order to achieve the purpose, the technical scheme adopted by the utility model is that the online nitrogen back-blowing rhombic wide and flat bag dust collector comprises a shell, a smoke inlet and a clean gas outlet, wherein the smoke inlet is formed in one side of the shell, a plurality of dust removing units are arranged in the shell, an ash hopper is arranged at the bottom of each dust removing unit, an ash falling port is formed in the bottom of the ash hopper, a clean gas box is arranged at the top of the shell, the clean gas outlet is formed in one side of the clean gas box, a smoke guide port is formed in the clean gas box, the clean gas box is communicated with the dust removing units through the smoke guide port, a plurality of gas distribution boxes are further arranged on the clean gas box, the gas distribution boxes correspond to the dust removing units one by one, a plurality of back-blowing pipes are further arranged on the gas distribution boxes, the back-blowing pipes extend into the dust removing units, and a back-blowing gas main pipe is further arranged at the top of the shell, the back-blowing main pipe is connected with the nitrogen tank, a plurality of back-blowing branch pipes are arranged on the back-blowing main pipe, the back-blowing branch pipes are connected with the gas distribution tank, and control valves are arranged on the back-blowing branch pipes.

Preferably, the dust removal unit comprises a dust removal box body, a filter bag and a U-shaped fixing frame, the dust removal box body is fixed in the shell, a transparent glass plate is arranged at a box opening at the top of the dust removal box body, a sealing ring is arranged between the transparent glass plate and the dust removal box body, two sides of the transparent glass plate are respectively fixed on a cross beam through a pressing plate and a bolt, the cross beam is arranged between the dust removal box bodies, the periphery of the cross beam is respectively connected with the dust removal box body and the shell in a full welding manner, supporting plates are respectively arranged at two sides of the upper part of the dust removal box body, a plurality of annular filter bag supports are arranged between the supporting plates, connecting plates are respectively arranged at two ends of the annular filter bag supports and are fixed on the supporting plates through bolts, the filter bag is of a rhombic wide flat bag structure, a bag opening at the top is fixed on the annular filter bag supports, and a plurality of U-shaped fixing frames are arranged in the annular filter bag supports, the bottom of U type mount cartridge is in the bottom of filter bag for prop up the filter bag, still install the bracing piece in the U type mount.

Preferably, the two sides of the annular filter bag support are further provided with positioning plates, the positioning plates are symmetrically provided with a plurality of positioning grooves, and the two sides of the U-shaped fixing frame are clamped in the positioning grooves respectively.

Compared with the prior art, the utility model has the following technical effects: the dust remover is simple in structure and convenient to use, the plurality of diamond-shaped wide and flat filter bags are arranged in the dust remover, the structure is compact, compared with a round bag dust remover, the size of the dust remover is reduced by 1/3-2/3 under the condition of the same filter area, the floor area is saved, the height of a factory building can be reduced, and the civil engineering investment cost is reduced; meanwhile, the filter bag is supported and fixed by the annular filter bag support and the U-shaped fixing frame, the filter bag is convenient to install and fix, the filter bag is convenient to disassemble, assemble and replace, the filter bag is supported by the U-shaped fixing frame, the activity range of the bag wall is small, the cloth bag is not easy to wear, and the service life of the cloth bag is prolonged by more than 3 years compared with other types of cloth bags. The cover plate at the top of the dust collector is made of high-strength transparent glass, the potential damage of the cloth bag caused by damage and powder leakage can be timely observed through the glass cover plate on each unit box body, and the dust collector is convenient and labor-saving to process. In addition, the cloth bag can be replaced without stopping production, the labor intensity of workers can be reduced, and the overhauling efficiency and the equipment operation rate are improved.

Drawings

FIG. 1 is a schematic view of the present invention.

Fig. 2 is a top view of fig. 1.

FIG. 3 is a schematic structural view of a dust removing unit according to the present invention.

Fig. 4 is a top view of the dust removing unit of the present invention.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

As shown in fig. 1 to 4, an online nitrogen back-blowing rhombic wide and flat bag dust remover comprises a shell 1, a smoke inlet and a clean gas outlet, wherein the smoke inlet is arranged on one side of the shell 1, a plurality of dust removing units 2 are arranged in the shell 1, an ash hopper 3 is arranged at the bottom of each dust removing unit 2, an ash falling port is arranged at the bottom of the ash hopper 3, a clean gas box 4 is arranged at the top of the shell 1, the clean gas outlet is arranged on one side of the clean gas box 4, a smoke guide port 5 is arranged on the clean gas box 4, the clean gas box 4 is communicated with the dust removing units 2 through the smoke guide port 5, a plurality of gas distribution boxes 6 are further arranged on the clean gas box 4, the gas distribution boxes 6 correspond to the dust removing units 2 one by one, a plurality of back-blowing pipes 7 are further arranged on the gas distribution boxes 6, the back-blowing pipes 7 extend into the dust removing units 2, a back-blowing main pipe 8 is further arranged at the top of the shell 1, the back-blowing main pipe 8 is connected with a nitrogen tank 9, a plurality of back-blowing branch pipes 10 are arranged on the back-blowing main pipe 8, the back-blowing branch pipes 10 are connected with the gas distribution box 6, and control valves are arranged on the back-blowing branch pipes 10.

The utility model has simple structure and convenient use, adopts the technical scheme that a plurality of dust removal units are arranged in the dust remover, each dust removal unit is mutually independent, the bottom part of each dust removal unit is provided with an opening and is positioned above the ash hopper, and the top part of each dust removal unit is provided with a smoke guide port for connecting the clean air box. After the dust-containing flue gas enters the dust remover, the dust-containing flue gas is filtered by the dust removing unit, and the clean gas enters the clean gas box through the smoke guide port and is then discharged. The dust enters the dust hopper after being filtered by the dust removal unit. When carrying out the blowback, the nitrogen gas jar passes through the blowback house steward and gets into the gas distribution case, cushions the air current through the gas distribution case, gets into the dust removal unit through the blowback pipe at last, carries out the blowback, easy operation, the aspect of using.

Wherein, the dust removing unit 2 comprises a dust removing box body 11, a filter bag 12 and a U-shaped fixing frame 13, the dust removing box body 11 is fixed in the shell 1, a transparent glass plate 14 is arranged at the top box opening of the dust removing box body 11, a sealing ring 15 is arranged between the transparent glass plate 14 and the dust removing box body 11, two sides of the transparent glass plate 14 are respectively fixed on a cross beam 17 through a pressing plate 16 and a bolt, the cross beam 17 is arranged between the dust removing box bodies 11, the periphery of the cross beam 17 is respectively welded with the dust removing box body 11 and the shell 1, two sides of the upper part of the dust removing box body 11 are respectively provided with a supporting plate 18, a plurality of annular filter bag supports 19 are arranged between the supporting plates 18, two ends of the annular filter bag supports 19 are respectively provided with a connecting plate 20, the connecting plates 20 are fixed on the supporting plates 18 through bolts, the filter bag 12 is of a diamond-shaped wide flat bag structure, a bag opening at the top is fixed on the annular filter bag supports 19, a plurality of U-shaped fixing frames 13 are arranged in the annular filter bag supports 19, the bottom of the U-shaped fixing frame 13 is inserted into the bottom of the filter bag 12 for supporting the filter bag, and a support rod 21 is further installed in the U-shaped fixing frame 13. A plurality of annular filter bag supports are installed in the dust removal unit, a filter bag is fixed on each annular filter bag support, the filter bags are supported on the annular filter bag supports in an extrusion mode through the U-shaped fixing frames, the filter bags are locked, the filter bags are installed simply, and the annular filter bag supports, the filter bags and the U-shaped fixing frames can be taken out integrally during replacement. The top of the dust removal box body is provided with a transparent glass plate, and two sides of the transparent glass plate are fixed through a pressing plate 16 and a bolt, so that the transparent glass plate can be extruded on a sealing ring at the top of the dust removal box body to realize fixed sealing.

In addition, the two sides of the annular filter bag support 19 are also provided with positioning plates 22, the positioning plates 22 are symmetrically provided with a plurality of positioning grooves 23, and the two sides of the U-shaped fixing frame 13 are respectively clamped in the positioning grooves 23. The positioning groove can position the U-shaped fixing frame 13, and the U-shaped fixing frame 13 is guaranteed to be fixed reliably.

The above description is intended only to illustrate the preferred embodiments of the present invention, and should not be construed as limiting the utility model, so that any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims

1. On-line nitrogen gas blowback rhombus wide flat bag dust remover, including shell, smoke and dust air inlet and clean gas export, one side of shell is provided with smoke and dust air inlet, its characterized in that: be provided with a plurality of dust removal units in the shell, the bottom of dust removal unit is provided with the ash hopper, the bottom of ash hopper is provided with the ash falling mouth, clean gas case is installed at the top of shell, one side of clean gas case is provided with the clean gas export, be provided with the smoke guide mouth on the clean gas case, clean gas case passes through the smoke guide mouth and removes dust unit looks UNICOM, still install a plurality of gas distribution case on the clean gas case, gas distribution case and dust removal unit one-to-one, still be provided with a plurality of blowback pipes on the gas distribution case, the blowback pipe extends to in the dust removal unit, the blowback house steward is still installed at the top of shell, the blowback house steward is connected with the nitrogen gas jar, be provided with a plurality of blowback branch pipes on the blowback house steward, the blowback branch pipe is connected with the gas distribution case, install the control valve on the blowback branch pipe.

2. The on-line nitrogen blowback diamond-shaped wide and flat bag dust collector of claim 1, which is characterized in that: the dust removal unit comprises a dust removal box body, filter bags and U-shaped fixing frames, the dust removal box body is fixed in the shell, a transparent glass plate is arranged at the top box opening of the dust removal box body, a sealing ring is arranged between the transparent glass plate and the dust removal box body, two sides of the transparent glass plate are respectively fixed on a cross beam through a pressing plate and a bolt, the cross beam is arranged between the dust removal box bodies, the periphery of the cross beam is respectively connected with the dust removal box body and the shell in a full welding way, supporting plates are respectively arranged at two sides of the upper part of the dust removal box body, a plurality of annular filter bag supports are arranged between the supporting plates, connecting plates are respectively arranged at two ends of the annular filter bag supports, the connecting plates are fixed on the supporting plates through bolts, the filter bags are of a rhombic wide and flat bag structure, bag openings at the tops of the filter bags are fixed on the annular filter bag supports, and a plurality of U-shaped fixing frames are arranged in the annular filter bag supports, the bottom of the U-shaped fixing frame is inserted at the bottom of the filter bag and used for supporting the filter bag, and a supporting rod is further installed in the U-shaped fixing frame.

3. The on-line nitrogen back-blowing diamond-shaped wide and flat bag dust collector of claim 2, wherein: the two sides of the annular filter bag support are also provided with positioning plates, the positioning plates are symmetrically provided with a plurality of positioning grooves, and the two sides of the U-shaped fixing frame are respectively clamped in the positioning grooves.