CN223715646U

CN223715646U - Explosion-proof dust collector with greasy dirt filtering device

Info

Publication number: CN223715646U
Application number: CN202520002695.0U
Authority: CN
Inventors: 邓争平; 成付强; 王芳红
Original assignee: Kunshan Dengshi Precision Machinery Co ltd
Current assignee: Kunshan Dengshi Precision Machinery Co ltd
Priority date: 2025-01-02
Filing date: 2025-01-02
Publication date: 2025-12-26
Anticipated expiration: 2035-01-02

Abstract

The utility model provides a take explosion-proof dust catcher of greasy dirt filter equipment, relates to explosion-proof dust catcher technical field, which comprises a housin, the intermediate position department of shell front end is provided with the dust absorption mouth, and the dust absorption mouth is provided with four, the inside front end of shell corresponds the position department of dust absorption mouth and installs the filter screen, and the filter screen separates the position of admitting air of dust absorption mouth, filter cartridge is all installed to the both sides of filter screen rear end, and is provided with the filter core in the filter cartridge inner wall, the below of the inside front end of shell is provided with aluminium bits dust collecting box, and filter screen and filter cartridge are located the top of aluminium bits dust collecting box, the below of the inside rear end of shell is provided with negative pressure fan, four greasy dirt filters that are rectangular distribution are installed to the top of the inside rear end of shell, and greasy dirt filter's casing and shell sealing connection, this scheme has solved explosion-proof dust catcher and has used in the relatively poor and has removed the relatively poor problem of greasy dirt effect of aluminium cutting trade.

Description

Explosion-proof dust collector with greasy dirt filtering device

Technical Field

The utility model relates to the technical field of explosion-proof dust collectors, in particular to an explosion-proof dust collector with an oil stain filtering device.

Background

The explosion-proof dust collector is a cleaning device specially designed for dangerous environment, adopts special materials and structural design, can safely and efficiently absorb pollutants such as dust, fragments and the like in flammable and explosive environments or environments with chemical dangerous articles, effectively prevents explosion accidents caused by static electricity, sparks or high temperature, is widely applied to high-risk industries such as petroleum, chemical industry, pharmacy, food processing and the like, and ensures the cleanness and safety of working environments.

For example, chinese issued patent CN217365627U entitled an explosion-proof dust collector, which comprises a dust collector body, wherein a positioning storage component is fixedly installed at the bottom of the outer side of the dust collector body, the positioning storage component is formed by combining a placing box with a function of placing a dust collection nozzle, a limiting column, a reset spring and a shielding plate, a buffering moving component is fixedly installed at the bottom end of the dust collection nozzle, the buffering moving component is formed by combining a fixed cylinder with a buffering function when the dust collection nozzle moves, a buffering spring and a fixed column, and the positioning storage component comprises a placing box, a limiting disc, a limiting column, a reset spring, a shielding plate, a through hole, a positioning frame, a ventilation pipe and the dust collection nozzle.

The explosion-proof dust collector in the existing market has no secondary filtration, the dust collection effect is not ideal enough, and particularly, the explosion-proof dust collector special for aluminum scraps and dust generated in the aluminum cutting industry is not available, and the explosion-proof dust collector in the existing market has only dust collection function and no greasy dirt removal function, so that the existing requirements are not met, and the explosion-proof dust collector with the greasy dirt filtering device is provided.

Disclosure of utility model

The utility model aims to provide an explosion-proof dust collector with an oil dirt filtering device, which aims to solve the problems that the explosion-proof dust collector provided in the background art is poor in dust collection effect and poor in oil dirt removal effect when applied to the aluminum cutting industry.

The utility model provides the technical scheme that the explosion-proof dust collector with the oil dirt filtering device comprises a shell, dust collection openings are arranged in the middle of the front end of the shell, four dust collection openings are arranged in the middle of the front end of the shell, a filter screen is arranged at the position, corresponding to the dust collection openings, of the front end of the interior of the shell, the filter screen is used for blocking the air inlet position of the dust collection openings, filter cartridges are arranged on two sides of the rear end of the filter screen, filter cartridges are arranged in the inner wall of the filter cartridges, an aluminum dust collection box is arranged below the front end of the interior of the shell, the filter screen and the filter cartridges are arranged above the aluminum dust collection box, a negative pressure fan is arranged below the rear end of the interior of the shell, four oil dirt filters which are distributed in a rectangular shape are arranged above the rear end of the interior of the shell, and a shell of the oil dirt filters is in sealing connection with the shell.

Preferably, the filter screen is inclined, and the frames at the upper end and the lower end of the filter screen are in sliding connection with the shell.

Preferably, an air passage is arranged at the middle position inside the shell, an air inlet end of the air passage is connected with an air outlet end above the filter cylinder, and a first air outlet pipe is arranged at the other end of the air passage.

Preferably, the negative pressure fan is composed of an explosion-proof motor and an impeller assembly, an output shaft of the explosion-proof motor is fixed with an impeller shaft inside the impeller assembly through a coupler, an air inlet end of the impeller assembly corresponds to the first air outlet pipe, and a second air outlet pipe corresponding to the oil pollution filter is arranged at the other end of the impeller assembly.

Preferably, the outside of explosion-proof machine is provided with negative pressure fan mounting bracket, and negative pressure fan mounting bracket passes through the bolt fastening with the shell.

Preferably, a sealing door is arranged on one side of the shell, an access door is arranged on the other side of the shell, and the sealing door and the access door are connected with the shell through hinges.

Preferably, the sealing door is provided with a window at the position corresponding to the filter screen and the filter cylinder.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, aluminum dust and greasy dirt in air are removed by combining the filter screens, the filter cores and the greasy dirt filters, in the opening state of the negative pressure fan, the air passes through the filter screens preferentially, the filter screens are used for removing large-particle aluminum dust and reducing the subsequent filtering pressure, the air passes through the filter screens and permeates from the outer wall of the filter cylinder to the inside, the two filter cylinders adopt a 200-mesh filter core structure, small-particle aluminum dust and tiny-particle aluminum dust in the air can be filtered, then the air is put into the air duct from the filter cylinders and discharged from the first air outlet pipe, the air is blown to the greasy dirt filters under the action of the negative pressure fan, the greasy dirt filters can adsorb oil mist, water mist and residual dust in the air, the dust collection structure obviously improves dust collection efficiency, and the high-standard cleaning and safety requirements of the anti-explosion dust collector in the aluminum cutting industry are met.

2. According to the aluminum dust collecting box, the aluminum dust collecting box is arranged below the lower filter screen and the filter cylinder, and the filter screen is in an inclined design, so that dust particles outside the filter screen are prevented from automatically falling into the aluminum dust collecting box along with gravity, and meanwhile, air is prevented from falling into the aluminum dust collecting box along with gravity when passing through the filter cylinder, so that the filtering effect of filtering materials is prevented from being influenced by blockage of particles, and staff can conveniently collect aluminum dust.

3. According to the utility model, the filter screen filter cylinder, the negative pressure fan and the oil pollution filter are arranged in the independent cavity, the modularized design is convenient for daily maintenance and overhaul, the sealing door arranged on one side of the shell can ensure the sealing shape inside the shell and the dust collection effect, meanwhile, the state of the filter element can be observed according to the window on the sealing door, and the access door on the other side is movably arranged with the shell, so that the filter material can be replaced and maintained independently.

Drawings

FIG. 1 is an overall perspective view of the present utility model;

FIG. 2 is an inside perspective view of the sealing door of the present utility model after it is opened;

FIG. 3 is a schematic view of the internal structure of the present utility model;

fig. 4 is a perspective view of the other side of the housing of the present utility model.

The device comprises a shell, a dust collection port, a sealing door, a window, a greasy dirt filter, a filter screen, a filter cartridge, an aluminum dust collection box, a first air outlet pipe, a negative pressure fan mounting frame, an impeller assembly, an explosion-proof motor, a gas channel, a second air outlet pipe, an access door and an access door, wherein the dust collection box is composed of the shell, the dust collection port, the sealing door, the window, the greasy dirt filter, the filter screen, the filter cartridge, the aluminum dust collection box, the air inlet pipe, the air outlet pipe, the negative pressure fan mounting frame, the impeller assembly, the explosion-proof motor, the air channel and the air outlet pipe.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Referring to fig. 1-4, an explosion-proof dust collector with an oil dirt filtering device provided by the embodiment of the utility model comprises a shell 1, wherein dust collection holes 2 are arranged at the middle position of the front end of the shell 1, four dust collection holes 2 are arranged at the front end of the shell 1, a filter screen 6 is arranged at the position corresponding to the dust collection holes 2, the filter screen 6 is used for blocking the air inlet position of the dust collection holes 2, filter cartridges 7 are arranged on two sides of the rear end of the filter screen 6, filter cores are arranged in the inner walls of the filter cartridges 7, an aluminum dust collecting box 8 is arranged below the front end of the shell 1, the filter screen 6 and the filter cartridges 7 are positioned above the aluminum dust collecting box 8, a negative-pressure fan is arranged below the rear end of the shell 1, four oil dirt filters 5 distributed in a rectangular shape are arranged above the rear end of the shell 1, the shell of the oil dirt filters 5 are in sealing connection with the shell 1, an air passage 13 is arranged at the middle position of the inner part of the shell 1, the air inlet end of the air passage 13 is connected with an air outlet end above the filter cartridges 7, and the other end of the air passage 13 is provided with a first air outlet pipe 9;

The four dust collection openings 2 are arranged at the front end, so that dust collection efficiency and coverage range are greatly improved, and the aluminum cutting operation area is ensured to be comprehensively and rapidly cleaned. The filter screen 6 is used as a first defense line, effectively blocks and collects large-particle aluminum dust, not only protects a subsequent filtering system, but also prolongs the service life of the whole equipment, the filter cartridge 7 is internally provided with the high-precision filter element, a 200-mesh fine structure is adopted, tiny particles in air can be deeply filtered, dust collection effect is ensured to reach the industry high standard, safer and cleaner working environment is provided for the aluminum cutting industry, the oil stain filter 5 utilizes adsorption materials to deeply remove oil mist, water mist and residual dust in the air, when the air containing oil stains flows through the oil stain filter, the oil stain particles can be adsorbed on the surface or inside of the filter, and clean air can be discharged through the filter.

Referring to fig. 2 and 3, the filter screen 6 is inclined, and the frames at the upper and lower ends of the filter screen 6 are slidably connected with the housing 1, and due to the inclined design of the filter screen 6, dust particles blocked outside the filter screen 6 automatically fall into the aluminum dust collecting box 8 along with gravity.

Referring to fig. 2 and 3, the negative pressure fan is composed of an explosion-proof motor 12 and an impeller assembly 11, wherein an output shaft of the explosion-proof motor 12 is fixed with an impeller shaft inside the impeller assembly 11 through a coupling, an air inlet end of the impeller assembly 11 corresponds to the first air outlet pipe 9, a second air outlet pipe 14 corresponding to the oil pollution filter 5 is arranged at the other end of the impeller assembly 11, a negative pressure fan mounting frame 10 is arranged outside the explosion-proof motor 12, the negative pressure fan mounting frame 10 is fixed with a shell 1 through bolts, the explosion-proof motor 12 is used as a power source, not only has strong driving force, but also has excellent explosion-proof performance, effectively prevents safety accidents caused by motor faults, and the mounting frame is firmly supported, so that the negative pressure fan cannot shake or shift during high-speed operation, and long-term stable operation of equipment is ensured.

Referring to fig. 1 and 4, a sealing door 3 is disposed on one side of a housing 1, an access door 15 is disposed on the other side of the housing 1, the sealing door 3 and the access door 15 are both connected with the housing 1 through hinges, a window 4 is disposed at a position of the sealing door 3 corresponding to a filter screen 6 and a filter cartridge 7, the modularized design is convenient for daily maintenance and overhaul, the sealing door 3 on one side of the housing 1 can ensure tightness of the housing 1, dust collection effect is ensured, meanwhile, a filter element state can be observed according to the window 4 on the sealing door 3, and the access door 15 on the other side is movably mounted with the housing 1, so that filter materials can be replaced and maintained independently.

When the negative pressure fan is used, the generated strong suction force drives air and dust to enter the device through the dust collection port 2, then the air and the dust firstly encounter the filter screen 6, the filter screen 6 is obliquely arranged, large-particle aluminum dust is effectively blocked and collected, and then the air preliminarily filtered by the filter screen 6 enters the filter cylinder 7 area. The high-precision filter element arranged on the inner wall of the filter cylinder 7 adopts a 200-mesh fine structure, tiny particles in air can be deeply filtered, the air outlet end of the filter cylinder 7 is connected with the air passage 13, the air passage 13 guides filtered air to the oil pollution filter 5 at the rear end of the device, the oil pollution filter 5 utilizes adsorption materials to deeply remove oil mist, water mist and residual dust in the air, when the air containing oil pollution flows through the oil pollution filter, the oil pollution particles can be adsorbed on the surface or inside of the filter, clean air can be discharged through the filter, the cleanliness of discharged air can reach high standard, and the pollution of atomized oil pollution generated by micro lubrication of cutting fluid to the air environment is solved.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides an explosion-proof dust catcher of area greasy dirt filter equipment, includes shell (1), its characterized in that the intermediate position department of shell (1) front end is provided with dust absorption mouth (2), and dust absorption mouth (2) are provided with four, filter screen (6) are installed to the position department that the inside front end of shell (1) corresponds dust absorption mouth (2), and filter screen (6) separate the air inlet position of dust absorption mouth (2), filter cartridge (7) are all installed to the both sides of filter screen (6) rear end, and are provided with the filter core in the filter cartridge (7) inner wall, the below of the inside front end of shell (1) is provided with aluminium bits dust collecting box (8), and filter screen (6) and filter cartridge (7) are located the top of aluminium bits dust collecting box (8), the below of the inside rear end of shell (1) is provided with negative pressure fan, four greasy dirt filters (5) that are the rectangle distribution are installed to the top of the inside rear end of shell (1), and the casing and shell (1) sealing connection.

2. The explosion-proof dust collector with the greasy dirt filtering device as set forth in claim 1, wherein the filter screen (6) is arranged obliquely, and the frames at the upper end and the lower end of the filter screen (6) are connected with the shell (1) in a sliding manner.

3. The explosion-proof dust collector with the greasy dirt filtering device according to claim 1, wherein an air passage (13) is arranged in the middle position inside the shell (1), an air inlet end of the air passage (13) is connected with an air outlet end above the filter cylinder (7), and a first air outlet pipe (9) is arranged at the other end of the air passage (13).

4. The explosion-proof dust collector with the greasy dirt filtering device according to claim 3, wherein the negative pressure fan consists of an explosion-proof motor (12) and an impeller assembly (11), an output shaft of the explosion-proof motor (12) is fixed with an impeller shaft inside the impeller assembly (11) through a coupling, an air inlet end of the impeller assembly (11) corresponds to the first air outlet pipe (9), and a second air outlet pipe (14) corresponding to the greasy dirt filter (5) is arranged at the other end of the impeller assembly (11).

5. The explosion-proof dust collector with the greasy dirt filtering device according to claim 4, wherein the explosion-proof motor (12) is externally provided with a negative pressure fan mounting frame (10), and the negative pressure fan mounting frame (10) is fixed with the shell (1) through bolts.

6. The explosion-proof dust collector with the greasy dirt filtering device according to claim 1, wherein one side of the shell (1) is provided with a sealing door (3), the other side of the shell (1) is provided with an access door (15), and the sealing door (3) and the access door (15) are connected with the shell (1) through hinges.

7. The explosion-proof dust collector with the greasy dirt filtering device according to claim 6, wherein the sealing door (3) is provided with a window (4) at the position corresponding to the filter screen (6) and the filter cylinder (7).