CN210079052U - Filter for industrial compressed air - Google Patents

Abstract

The utility model discloses a filter for industrial compressed air, which comprises a shell and is characterized in that the left end of the shell is provided with an inlet pipe, the right end of the shell is provided with a connecting flange, the middle inside of the shell is provided with a filtering unit and a back flushing unit, the filtering unit comprises a filter cartridge, the left end of the filter cartridge is arranged on a first-level filtering pore plate, and the right end of the filter cartridge is arranged on an air outlet blocking plate; the reverse purging unit consists of a reverse flushing pipeline and a reverse flushing support; the utility model discloses having changed the silk screen formula air cleaner structure, having had the function of self-cleaning and amortization concurrently, having strained the area that the increase was gathered dust through 4, the aperture that is equipped with on it can filter great or less dust, solves the wearing and tearing of dust to machinery in the cylinder body, and spare part conveniently disintegrates and washs, changes. The expenditure of material and accessory expenses is reduced, the phenomena of frequent shutdown and filter material replacement and the like are reduced, and the labor cost is saved.

Description

Filter for industrial compressed air

Technical Field

The utility model belongs to the technical field of the environmental purification, concretely relates to filter for industry compressed air.

Background

Coal chemical refers to the process of converting coal into gas, liquid and solid fuels and chemicals by chemical processing using coal as a raw material. Modern coal chemical industry, such as coal-to-oil, coal-to-olefin, coal-to-dimethyl ether, coal-to-ethylene glycol, coal-to-methane gas and the like, is a product with large domestic demand and large gap at present, and has large market development space.

However, the development of the coal chemical industry has high requirements on ecological, environmental, technical and social matching conditions, and some places do not consider the bearing capacity in the aspects of resources, ecology, environment and the like, so that the content of benzopyrene exceeds the standard, and the like, for example, Shanxi, the grain in the atmosphere of the main coking area is up to 800mg/m for cultivation, and the living environment of nearby residents is seriously influenced. With the progress of environmental protection technology, 2016 began, and the ministry of environmental protection of the state restarted the environmental approval of the coal chemical industry. Therefore, the realization of environmental protection and the clean production road are the necessary way for the coal chemical industry to realize sustainable development.

The high-power fan is often used in the operation equipment of the coal chemical industry, and due to the characteristic reasons of the high-power fan, a large amount of noise can be generated, gas and dust in the environment are mixed, the emission often exceeds the standard, the environment is polluted, and the life of nearby residents is very influenced. The application of the invention can greatly relieve the pollution to the atmosphere in the coalification process.

Air filters are particularly important in working environments where the dust concentration is high. The dust removing and filtering devices used in general fluid machinery (air compressors, vacuum pumps, fans, etc.) are mostly silk screen type, Raschig lattice ring type. The wire mesh type secondary dust removal is adopted, the dust collection area is small, only larger dust can be filtered, fine dust enters a fluid mechanical cavity through an air suction pipeline, the abrasion of a cylinder body is aggravated, and parts are often disassembled, cleaned and replaced. The phenomena that the cost of materials and accessories is high, the number of faults is large, the use efficiency of equipment is low, the paper and fiber materials are adopted for filtering, dust particles are accumulated and are easy to block, and the filtering materials are required to be frequently stopped and replaced are caused; increasing the labor intensity of workers.

Disclosure of Invention

The utility model discloses a it is little to solve current wire mesh formula air cleaner dust collection area, and the wearing and tearing of fine dust aggravation cylinder body and frequent change filtering material scheduling problem provide a filter for industry compressed air.

In order to realize the purpose, the utility model discloses a technical scheme as follows:

a filter for industrial compressed air comprises a shell and is characterized in that a pipe is arranged at the left end of the shell, a connecting flange is arranged at the right end of the shell, a filtering unit and a back flushing unit are arranged in the middle of the shell, the filtering unit comprises a filter cartridge, the left end of the filter cartridge is arranged on a first-stage filtering pore plate, and the right end of the filter cartridge is arranged on an air outlet blocking plate; the back flushing unit consists of a back flushing pipeline and a back flushing support.

Furthermore, the primary filtering pore plate is arranged at the position of the inlet pipe, and an air inlet hole and a fixed filter cylinder hole are arranged on the primary filtering pore plate.

Furthermore, the number of the filter cylinders is 4, one end of each filter cylinder is a closed end, and the other end of each filter cylinder is an open end.

Furthermore, the closed end of the filter cylinder is supported and arranged on the first-stage filter pore plate through the closed end, and the open end of the filter cylinder is supported and arranged on the air outlet blocking plate through the open end.

Furthermore, a buffer rubber ring is arranged between the air outlet blocking plate and the opening end of the filter cylinder.

Furthermore, the back flushing unit is provided with a back flushing inlet pipe, the back flushing inlet pipe is connected with a back flushing pipeline, and the back flushing pipeline is respectively connected with 4 back flushing outlet pipes.

Furthermore, 4 back flush exit tubes enter from the open end of 4 evenly distributed filter cylinders and extend to the sealed end to be fixed on the first-stage filter pore plate by bolts and nuts, and the part of the back flush unit extending into the filter element is provided with a long hole with a certain inclination.

Furthermore, the wall of the filter cylinder can be made into a double layer, small holes with certain diameter and size are distributed on the wall, and a stainless steel wire mesh is filled in the middle layer.

Furthermore, the bottom of the shell is provided with a sewage draining outlet, a support is installed, and the top of the shell is provided with a lifting lug.

Because utility model adopts the filtration unit and the back flushing unit isotructure to can obtain following beneficial effect:

the utility model discloses having changed the silk screen formula air cleaner structure, having had the function of self-cleaning and amortization concurrently, having strained the area that the increase was gathered dust through 4, the aperture that is equipped with on it can filter great or less dust, solves the wearing and tearing of dust to machinery in the cylinder body, and spare part conveniently disintegrates and washs, changes. The expenditure of material and accessory expenses is reduced, the phenomena of frequent shutdown and filter material replacement and the like are reduced, and the labor cost is saved.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings.

Fig. 1 is a schematic structural view of the industrial compressed air filter of the present invention.

Fig. 2 is a layout of the filtering hole plate of the present invention.

Fig. 3 is a layout diagram of the back washing pipeline of the utility model.

In the figure:

1. feeding a pipe; 2. lifting lugs; 3. a filter cartridge; 4. an air outlet blocking plate; 5. a buffer rubber ring; 6. an open end support; 7. a connecting flange; 8. backwashing and supporting; 9. mounting a support; 10. a sewage draining outlet; 11. supporting the closed end; 12. and (4) bolts.

Detailed Description

The invention will be further explained with reference to the drawings:

as shown in fig. 1-3, a filter for industrial compressed air comprises a housing, and is characterized in that an inlet pipe 1 is arranged at the left end of the housing, a connecting flange 7 is arranged at the right end of the housing, a filtering unit and a back flushing unit are arranged in the middle of the housing, the filtering unit comprises a filter cartridge 3, the left end of the filter cartridge 3 is arranged on a primary filtering pore plate 13, and the right end of the filter cartridge 3 is arranged on an air outlet blocking plate 4; the back flushing unit consists of a back flushing pipeline and a back flushing support 8.

The first-stage filtering pore plate 13 is arranged at the position of the inlet pipe 1, and is provided with an air inlet 14 and a fixed filter cylinder hole.

The number of the filter cylinders 3 is 4, one end of each filter cylinder 3 is a closed end, and the other end of each filter cylinder is an open end.

The closed end of the filter cartridge 3 is arranged on a primary filter pore plate 13 through a closed end support 11, and the open end of the filter cartridge 3 is arranged on an air outlet blocking plate through an open end support 6.

A buffer rubber ring 5 is arranged between the air outlet blocking plate and the opening end of the filter cylinder 3.

The back flushing unit is provided with a back flushing inlet pipe, the back flushing inlet pipe is connected with a back flushing pipeline, and the back flushing pipeline is respectively connected with 4 back flushing outlet pipes.

4 back flush exit tubes enter from the open end of 4 evenly distributed filter cylinders and extend to the sealed end to be fixed on the first-stage filter pore plate by bolts 12 and nuts, and the part of the back flush unit extending into the filter element is provided with a long hole with a certain inclination.

The wall of the filter cylinder 3 can be made into a double layer, small holes with certain diameter are distributed on the wall, and a stainless steel wire mesh is filled in the middle layer.

The bottom of shell is equipped with drain 10, erection support 9, and the top is equipped with lug 2.

The utility model discloses a theory of operation and working process as follows:

the filter inlet position for the industrial fan is arranged in to one-level filtering pore board, and the fixed filter cartridge hole that has the inlet port that the diameter variation in size and symmetry and equipartition is opened to the upper face, and the filter unit comprises a section of thick bamboo is strained to the stainless steel of 4 equipartitions, strains a section of thick bamboo and inlays between one-level filtering pore board and the closure plate of giving vent to anger. One end of the filter cylinder is a closed end, the other end of the filter cylinder is an open end, the closed end is connected with the first-stage filter pore plate, and the open end is connected with the air outlet blocking plate. The air outlet blocking plate is provided with uniformly distributed holes for fixing the filter cylinders, and the holes horizontally correspond to the uniformly distributed holes for fixing the filter cylinders on the primary filter pore plate; the upper surface of the primary filtering pore plate 13 is provided with a plurality of air inlets 14, unclean gas passes through the primary filtering pore plate 13 and enters the shell through the air inlets 14, larger particles are blocked outside the primary filtering pore plate 13, coarse-filtered gas enters the interior of the filter cartridge 3 in the shell cavity respectively, the wall of the filter cartridge 3 can be made into double layers, small holes with certain diameter and size are distributed on the wall, and a stainless steel wire mesh is filled in the middle layer.

Further gas flows out of the non-closed end of the filter cartridge 3 through the connection flange 7 into the fan duct system.

The cushion rubber ring 5 and the open end support 6 are provided to seal and support the open end of the filter cartridge 3 to ensure that gas flows only from the open end of the filter cartridge 3, and the closed end support 11 is provided to fix the closed end of the filter cartridge 3. The fixation of the two ensures that the filter cartridge 3 is horizontal. Bolts 12 and back-washing support 8 fix back-washing pipe 15 to be parallel to filter cylinder 3. The lifting lugs 2 and the mounting support 9 are externally arranged to lift and mount the whole device for use.

FIG. 3 is a layout diagram of a back flushing pipeline, namely a structure diagram of a back flushing pipeline 15, wherein a back flushing inlet is divided into four branches, a long hole with an inclination angle of 45 degrees is formed in the upper part of each branch to ensure that gas or liquid from the long hole is in a spiral shape, the four branches correspondingly extend into a filter cylinder 3 respectively, during back flushing, compressed gas enters the four branches from the back flushing inlet, the spiral gas or liquid is sprayed on the inner wall of the corresponding filter cylinder 3 under the action of pressure, granular impurities are flushed into the filter cylinder 3 and discharged from a drain outlet 10, and back flushing is completed.

The principles and embodiments of the present invention have been explained herein using specific examples, and the above descriptions of the embodiments are only used to help understand the method and its core ideas of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.

Claims (9)

1. A filter for industrial compressed air comprises a shell and is characterized in that an inlet pipe (1) is arranged at the left end of the shell, a connecting flange (7) is arranged at the right end of the shell, a filtering unit and a back flushing unit are arranged in the middle of the shell, the filtering unit comprises a filter cartridge (3), the left end of the filter cartridge (3) is arranged on a first-stage filtering pore plate (13), and the right end of the filter cartridge (3) is arranged on an air outlet blocking plate (4); the back flushing unit consists of a back flushing pipeline and a back flushing support (8).

2. The filter for industrial compressed air according to claim 1, wherein: the primary filtering pore plate (13) is arranged at the position of the inlet pipe (1), and is provided with an air inlet hole (14) and a fixed filter cylinder hole.

3. The filter for industrial compressed air according to claim 1, wherein: the number of the filter cylinders (3) is 4, one end of each filter cylinder (3) is a closed end, and the other end of each filter cylinder is an open end.

4. The filter for industrial compressed air according to claim 3, wherein: the closed end of the filter cylinder (3) is supported and arranged on the first-stage filter pore plate (13) through the closed end, and the open end of the filter cylinder (3) is supported and arranged on the air outlet blocking plate through the open end.

5. The filter for industrial compressed air according to claim 4, wherein: a buffer rubber ring (5) is arranged between the air outlet blocking plate and the opening end of the filter cylinder (3).

6. The filter for industrial compressed air according to claim 1, wherein: the back flushing unit is provided with a back flushing inlet pipe, the back flushing inlet pipe is connected with a back flushing pipeline, and the back flushing pipeline is respectively connected with 4 back flushing outlet pipes.

7. The filter for industrial compressed air according to claim 6, wherein: 4 back flush exit tubes enter from the open end of 4 evenly distributed filter cylinders and extend to the sealed end to be fixed on the first-stage filter pore plate by bolts (12) and nuts, and the part of the back flush unit extending into the filter element is provided with a long hole with a certain inclination.

8. The filter for industrial compressed air according to claim 1, wherein: the wall of the filter cylinder (3) can be made into a double layer, small holes with certain diameter are distributed on the wall, and a stainless steel wire mesh is filled in the middle layer.

9. The filter for industrial compressed air according to claim 1, wherein: the bottom of shell is equipped with drain (10), erection support (9), and the top is equipped with lug (2).

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