CN211082414U

CN211082414U - Dustproof and explosion-proof fan for chemical plant

Info

Publication number: CN211082414U
Application number: CN201922216371.4U
Authority: CN
Inventors: 陈建群
Original assignee: Jiangsu Huohong Machinery Co ltd
Current assignee: Yancheng xinzhisheng Environmental Protection Technology Co.,Ltd.
Priority date: 2019-12-12
Filing date: 2019-12-12
Publication date: 2020-07-24
Anticipated expiration: 2029-12-12

Abstract

The utility model discloses a dustproof explosion-proof fan of chemical plant, including fan shell, fan shell's top intercommunication has the air-supply line, fan shell's inner chamber fixedly connected with scavenger fan, fan shell's surface just is located the outside fixedly connected with protection casing of scavenger fan, the right side intercommunication of air-supply line has the filter tube, the left side at filter tube top and the left side of bottom are all seted up flutedly, one side fixedly connected with spring of recess inner chamber. The utility model discloses a cooperation of fan shell, air-supply line, scavenger fan, protection casing, filter tube, recess, spring, limiting plate, fixture block, cartridge filter and filter core is used, and ventilation unit that can the current chemical plant of effectual solution used has the relatively poor problem of explosion-proof nature, and the device reduces the manufacturing cost of conventional equipment, possesses better explosion-proof dustproof effect, filters the dust to avoid dust and motor contact, improve explosion-proof effect.

Description

Dustproof and explosion-proof fan for chemical plant

Technical Field

The utility model relates to a chemical industry equipment technical field specifically is a dustproof explosion-proof fan of chemical plant.

Background

Chemical products produced in a chemical plant usually have pungent smell, and the harm to workers is very large, therefore, for the chemical plant, the improvement of the working environment is increasingly important, the general chemical plant mostly adopts the arrangement of a centrifugal fan at a vent for polluting exhausted air, the gas in the chemical plant can be roughly divided into 2 types, one type is particle dust with larger mass, the fan can be damaged after the dust enters the inside of the fan, the other type is flammable and explosive irritant gas or fibrous substances with lighter mass, a motor is easy to generate sparks in the rotating process, and if the fan is directly put into the environment containing oil gas or flammable and explosive gas, and explosion is easy to generate.

Disclosure of Invention

An object of the utility model is to provide a dustproof explosion-proof fan of chemical plant possesses dustproof explosion-proof advantage, has solved the motor and has easily produced the spark at rotatory in-process, if directly put into the environment that contains oil gas or easily fire explosive gas with the ventilation blower, and easily produce the problem of explosion.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a dustproof explosion-proof fan of chemical plant, includes the fan shell, the top intercommunication of fan shell has the air-supply line, the inner chamber fixedly connected with scavenger fan of fan shell, the surface of fan shell just is located the outside fixedly connected with protection casing of scavenger fan, the right side intercommunication of air-supply line has the filter tube, the left side at filter tube top and the left side of bottom all set up flutedly, one side fixedly connected with spring of recess inner chamber, one side fixedly connected with limiting plate of spring, one side fixedly connected with fixture block of spring is kept away from to the limiting plate, one side of fixture block extends to the outside of recess, the inner chamber of filter tube is provided with the cartridge filter, the left side fixedly connected with filter core of cartridge filter inner chamber.

Preferably, the top and the equal fixedly connected with support column in bottom of fan shell both sides, fan shell's one side fixedly connected with support is kept away from to the support column, and the bottom fixedly connected with fan base of one side is relative to two supports.

Preferably, bolts are arranged at four corners of the surface of the fan shell, and the fan shell is fastened through the bolts.

Preferably, the right side of the protection cover is fixedly connected with a dust screen, and the protection cover is basin-shaped.

Preferably, the motor of the ventilation fan is an explosion-proof motor, and the blades of the ventilation fan are wrapped by rubber.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses a cooperation of fan shell, air-supply line, scavenger fan, protection casing, filter tube, recess, spring, limiting plate, fixture block, cartridge filter and filter core is used, and ventilation unit that can the current chemical plant of effectual solution used has the relatively poor problem of explosion-proof nature, and the device reduces the manufacturing cost of conventional equipment, possesses better explosion-proof dustproof effect, filters the dust to avoid dust and motor contact, improve explosion-proof effect.

2. The utility model discloses a set up support column, support and fan base, can be convenient install the device to guarantee the stability of device, through setting up the bolt, can dismantle the device, reach more convenient maintenance effect, through setting up the dust screen, can protect the air outlet of ventilating fan.

Drawings

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

FIG. 2 is a schematic view of the inner connection structure of the filter tube of the present invention;

fig. 3 is a schematic side view of the connection structure of the protective cover and the dust screen.

In the figure: 1. a fan housing; 2. an air inlet pipe; 3. a ventilator; 4. a protective cover; 5. a filter tube; 6. a groove; 7. a spring; 8. a limiting plate; 9. a clamping block; 10. a filter cartridge; 11. a filter element; 12. a support pillar; 13. a support; 14. a fan base; 15. a bolt; 16. a dust screen.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to be referred must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "connected", and the like are to be construed broadly, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The components adopted by the utility model are all universal standard components or components known by the technicians in the field, and the structure and the principle of the components are known by the technicians through technical manuals or conventional experimental methods.

Referring to fig. 1-3, a dustproof and explosion-proof fan for chemical plants comprises a fan housing 1, wherein the top and the bottom of both sides of the fan housing 1 are fixedly connected with support columns 12, one side of each support column 12 away from the fan housing 1 is fixedly connected with a support 13, the bottom of one side of each support 13 opposite to the support is fixedly connected with a fan base 14, four corners of the surface of the fan housing 1 are respectively provided with bolts 15, the fan housing 1 is fastened by the bolts 15, the top of the fan housing 1 is communicated with an air inlet pipe 2, an inner cavity of the fan housing 1 is fixedly connected with a ventilator 3, a motor of the ventilator 3 is an explosion-proof motor, blades of the ventilator 3 are wrapped by rubber, a protective cover 4 is fixedly connected to the surface of the fan housing 1 and positioned outside the ventilator 3, a dustproof net 16 is fixedly connected to the right side of the protective cover 4, the protective cover 4 is, the left side of the top and the left side of the bottom of the filter pipe 5 are both provided with a groove 6, one side of the inner cavity of the groove 6 is fixedly connected with a spring 7, one side of the spring 7 is fixedly connected with a limiting plate 8, one side of the limiting plate 8, which is far away from the spring 7, is fixedly connected with a clamping block 9, one side of the clamping block 9 extends to the outside of the groove 6, the inner cavity of the filter pipe 5 is provided with a filter cartridge 10, the left side of the inner cavity of the filter cartridge 10 is fixedly connected with a filter cartridge 11, the device can be conveniently installed by arranging a support column 12, a support 13 and a fan base 14, so that the stability of the device is ensured, the device can be disassembled by arranging a bolt 15, a more convenient maintenance effect is achieved, the air outlet of the ventilating fan 3 can be protected by arranging a dustproof net 16, and the fan can pass through, Spring 7, limiting plate 8, fixture block 9, cartridge filter 10 and filter core 11's cooperation is used, and ventilation unit that can the current chemical plant of effectual solution used has the relatively poor problem of explosion-proof nature, and the device reduces the manufacturing cost of conventional equipment, possesses better explosion-proof dustproof effect, filters the dust to avoid dust and motor contact, improve explosion-proof effect.

During the use, the filter tube 5 is installed to the device's air-supply line 2, the inside cartridge filter 10 and the filter core 11 of filter tube 5 filter the dust that gets into, the air after will filtering the completion is sent into fan housing 1 inside and is discharged, simultaneously because the blade of scavenger fan 3 passes through rubber parcel, when contacting with other positions, reduce the production of spark, thereby avoid the possibility of explosion, when changing filter tube 5, through pressing fixture block 9, fixture block 9 gets into the inner chamber of air-supply line 2, filter tube 5 is in the active state this moment, can take out and clear up or change.

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 chemical plant explosion-proof fan that prevents dust, includes fan shell (1), its characterized in that: the top of the fan shell (1) is communicated with an air inlet pipe (2), the inner cavity of the fan shell (1) is fixedly connected with a ventilation fan (3), a protective cover (4) is fixedly connected on the surface of the fan shell (1) and positioned outside the ventilation fan (3), the right side of the air inlet pipe (2) is communicated with a filter pipe (5), the left side of the top and the left side of the bottom of the filter pipe (5) are both provided with a groove (6), one side of the inner cavity of the groove (6) is fixedly connected with a spring (7), one side of the spring (7) is fixedly connected with a limit plate (8), a clamping block (9) is fixedly connected to one side of the limiting plate (8) far away from the spring (7), one side of the clamping block (9) extends to the outside of the groove (6), a filter cylinder (10) is arranged in the inner cavity of the filter pipe (5), the left side of the inner cavity of the filter cartridge (10) is fixedly connected with a filter element (11).

2. The dustproof and explosion-proof fan for the chemical plant according to claim 1, wherein: the fan casing (1) is characterized in that the top and the bottom of the two sides of the fan casing (1) are fixedly connected with supporting columns (12), one side of the supporting columns (12) far away from the fan casing (1) is fixedly connected with a support (13), and the bottom of one side of the two supports (13) opposite to each other is fixedly connected with a fan base (14).

3. The dustproof and explosion-proof fan for the chemical plant according to claim 1, wherein: the four corners on the surface of the fan shell (1) are provided with bolts (15), and the fan shell (1) is fastened through the bolts (15).

4. The dustproof and explosion-proof fan for the chemical plant according to claim 1, wherein: the right side fixedly connected with dust screen (16) of protection casing (4), the shape of protection casing (4) is the basin shape.

5. The dustproof and explosion-proof fan for the chemical plant according to claim 1, wherein: the motor of the ventilation fan (3) is an explosion-proof motor, and blades of the ventilation fan (3) are wrapped by rubber.