CN212941950U

CN212941950U - Negative pressure air exhaust device

Info

Publication number: CN212941950U
Application number: CN202021545379.1U
Authority: CN
Inventors: 周海滨; 翟虎
Original assignee: Huaian Blue Sky Environmental Protection Technology Co Ltd
Current assignee: Huaian Blue Sky Environmental Protection Technology Co Ltd
Priority date: 2020-07-30
Filing date: 2020-07-30
Publication date: 2021-04-13
Anticipated expiration: 2030-07-30

Abstract

The utility model discloses a negative pressure air exhaust device, which relates to the technical field of dust collector manufacturing, and comprises a supporting bottom plate frame, wherein one side of the top of the supporting bottom plate frame is fixedly provided with a filter box, and the other side of the top of the supporting bottom plate frame is provided with an air exhauster through a fastening bolt, the top end of the filter box is welded with an exhaust elbow, and the exhaust elbow is connected with the air inlet end of the air exhauster, a filter cartridge is arranged in the filter box through an annular separation blade, one side of the filter box is welded with an air inlet pipe, the outlet end of the air inlet pipe is positioned in the filter box, the top of the filter box is also welded with a fixing frame, the bottom of the fixing frame is fixed with filter cloth; the utility model discloses negative pressure air exhaust device, the dust removal filter effect is good, and through setting up negative-pressure air fan in filter equipment's rear end, has avoided it to be worn and torn by dust impurity is too fast, is fit for being extensively promoted and used.

Description

Negative pressure air exhaust device

Technical Field

The utility model relates to a technical field is made to the dust remover, in particular to negative pressure air exhaust device.

Background

Negative pressure pneumatic dust removal system is under air exhaust equipment's suction effect, and the flue gas after the cooling is inhaled pipeline, send to and filters behind the filtration equipment in to reach the gas-dust separation, dust is sent into the dust through the filter equipment separation and is collected the storehouse, and the air after the purification is passed through air exhaust equipment and is discharged atmosphere, problem and the shortcoming that current high negative pressure dust remover exists: 1. the smoke dust filtering precision is too low and a multiple filtering mechanism is not provided; 2. the dust that filters on the filtering component clearance is inconvenient, needs personnel to unpack apart and washes the brush clearance, and then has increased personnel intensity of labour, for this reason, we propose a negative pressure air exhaust device and solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

A primary object of the present invention is to provide a negative pressure air extractor, which can effectively solve the problems of the prior art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a negative pressure air extractor comprises a supporting bottom plate frame, a filter box is fixedly arranged on one side of the top of the supporting bottom plate frame, and the other side of the top of the supporting bottom plate frame is provided with an exhaust fan through a fastening bolt, the top end of the filter box is welded with an exhaust bent pipe, and the exhaust elbow is connected with the air inlet end of the exhaust fan, a filter cartridge is arranged in the filter box through an annular separation blade, an air inlet pipe is welded at one side of the filter box, the outlet end of the air inlet pipe is positioned in the filter box, the top in the filter box is welded with a fixed frame, the bottom of the fixing frame is fixed with filter cloth through a rivet, the top end in the filter box is also provided with an air injection pipe through an installation block, and the bottom of the air injection pipe is welded with a plurality of air injection heads arranged at intervals, a high-pressure air pump is fixedly arranged between the filter box and the exhaust fan, and the air outlet end of the high-pressure air pump is connected with the air injection pipe through an air transmission pipeline.

Preferably, the bottom end of the front side of the filter box is inserted with a dust collection drawer through a slot, and a rubber sealing strip is bonded at the joint of the periphery of the dust collection drawer and the slot.

Preferably, an impurity removal door is installed on the other side of the filter box through a hinge, and a rubber door seal is bonded at the joint of the inner side of the impurity removal door and the filter box.

Preferably, the exhaust end of the exhaust fan is provided with an exhaust pipe through a pipe sleeve.

Preferably, the top end of the gas transmission pipeline is sleeved with a one-way valve.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. the utility model discloses, strain a section of thick bamboo through setting up in the rose box, and set up the end of giving vent to anger of intake pipe in straining a section of thick bamboo, under the high compression pump effect of bleeding, flue gas after the cooling gets into through the intake pipe and strains a section of thick bamboo in, big impurity is strained a section of thick bamboo separation and is retained in straining a section of thick bamboo this moment, and little impurity continues upwards operation along with the air, the filter cloth can filter the little impurity in the air this moment, double filtration effect, the filter fineness of smoke and dust has been improved, final clean flue gas sees through the exhaust apparatus (like the chimney) that the filter cloth put into next.

2. The utility model discloses, through the jet-propelled pipe that has the jet-propelled head of installation in rose box top, and supporting and installing high-pressure air pump on the support floor frame, thereby high-pressure air pump during operation can carry high-pressure air to the jet-propelled pipe, and spout from the jet-propelled head downwards, and then accomplish the jetting (dust clearance) operation to the filter cloth, the dust after the jetting falls into the collection ash drawer, convenient centralized processing; through installing impurity removal door at rose box opposite side, and then make things convenient for personnel to clear up the big impurity of straining in the section of thick bamboo, convenient and fast, personnel low in labor strength.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is the internal structure diagram of the filtering box of the utility model.

Fig. 3 is a schematic view of the structure of the gas lance of the present invention.

In the figure: 1. supporting the bottom plate frame; 2. a filter box; 3. an air inlet pipe; 4. an exhaust elbow; 5. an exhaust fan; 6. an exhaust pipe; 7. a gas pipeline; 8. a high pressure air pump; 9. a dust collection drawer; 10. an impurity removal gate; 11. a one-way valve; 12. a gas ejector tube; 13. a gas showerhead; 14. a filter cartridge; 15. a fixed mount; 16. filtering cloth; 17. an annular baffle plate.

Detailed Description

The present invention will be described in further detail with reference to the drawings, wherein like elements are designated by like reference numerals, wherein the terms "front", "rear", "left", "right", "upper" and "lower", "bottom" and "top" used in the following description refer to the orientation in the drawings, and the terms "inner" and "outer" refer to the orientation toward or away from the geometric center of a particular element, respectively.

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.

Referring to fig. 1-3, a negative pressure air extractor comprises a supporting base plate frame 1, wherein a filter box 2 is fixedly mounted on one side of the top of the supporting base plate frame 1, an exhaust fan 5 is mounted on the other side of the top of the supporting base plate frame 1 through a fastening bolt, an exhaust elbow 4 is welded on the top end of the filter box 2, the exhaust elbow 4 is connected with the air inlet end of the exhaust fan 5, a filter cartridge 14 is mounted in the filter box 2 through an annular separation blade 17, an air inlet pipe 3 is welded on one side of the filter box 2, the outlet end of the air inlet pipe 3 is located in the filter box 2, a fixing frame 15 is further welded on the top in the filter box 2, a filter cloth 16 is fixed at the bottom of the fixing frame 15 through a rivet, an air injection pipe 12 is further mounted on the top end in the filter box 2 through a mounting block, air injection heads 13 arranged at a plurality of intervals are welded at the, and the air outlet end of the high-pressure air pump 8 is connected with an air injection pipe 12 through an air transmission pipeline 7.

Referring to fig. 1 and 2, in order to collect small dust and impurities falling from the filter cloth 16, an ash collection drawer 9 is inserted into the bottom of the front side of the filter box 2 through a slot, and a rubber sealing strip is bonded to a connection portion of the periphery of the ash collection drawer 9 and the slot.

Referring to fig. 1 and 2, in order to remove large impurities in the filter cartridge 14, an impurity removal door 10 is mounted on the other side of the filter tank 2 by a hinge, and a rubber door seal is bonded to a connection portion between the inner side of the impurity removal door 10 and the filter tank 2.

Referring to fig. 1, in order to facilitate the connection of the exhaust end of the exhaust fan 5 with the exhaust equipment of the next process, an exhaust pipe 6 is installed at the exhaust end of the exhaust fan 5 through a pipe sleeve.

Referring to fig. 1, in order to prevent dust in the filter box 2 from entering the gas transmission pipeline 7 and causing blockage, a check valve 11 is sleeved on the top end of the gas transmission pipeline 7.

The working principle is as follows: the electrical appliance on the personnel advanced device is connected with an external power supply source so as to ensure that the device can work normally; in the working process, a person starts the exhaust fan 5 to suck the cooled smoke into the filter cylinder through the air inlet pipe 3, large impurities are blocked by the filter cylinder 14 and are retained in the filter cylinder 14, small impurities continue to move upwards along with air, the filter cloth 16 can filter the small impurities in the air, the double filtering effect is achieved, the smoke dust filtering precision is improved, and finally, the clean smoke penetrates through the filter cloth and is discharged into exhaust equipment of the next process through the exhaust fan 5; after the device works for a period of time, a person can close the exhaust fan 5 and start the high-pressure air pump 8, at the moment, the high-pressure air pump 8 can convey high-pressure air to the air injection pipe 12 and inject the high-pressure air downwards from the air injection head 13, so that the injection (dust cleaning) operation of the filter cloth 16 is completed, and the injected dust falls into the dust collection drawer 9, so that the centralized treatment is facilitated; subsequently, the person closes the high-pressure air pump 8 and opens the other side of the filter tank 2 to install the impurity removal door 10, so as to remove the large impurities in the filter cartridge 14 out of the filter tank 2; personnel can also draw dust collection drawer 9 to pour out the dust of collecting in it, and then guarantee the device at subsequent dust filtration efficiency.

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 negative pressure air exhaust device, includes support bottom plate frame (1), its characterized in that: the air purifier is characterized in that a filter box (2) is fixedly mounted on one side of the top of the support base plate frame (1), an air exhauster (5) is mounted on the other side of the top of the support base plate frame (1) through fastening bolts, an exhaust bent pipe (4) is welded on the top of the filter box (2), the exhaust bent pipe (4) is connected with the air inlet end of the air exhauster (5), a filter cartridge (14) is mounted in the filter box (2) through an annular separation blade (17), an air inlet pipe (3) is welded on one side of the filter box (2), the outlet end of the air inlet pipe (3) is located in the filter box (2), a fixing frame (15) is further welded on the inner top of the filter box (2), filter cloth (16) is fixed at the bottom of the fixing frame (15) through rivets, an air injection pipe (12) is further mounted at the inner top of the filter box (2) through, and a high-pressure air pump (8) is fixedly arranged between the filter box (2) and the exhaust fan (5), and the air outlet end of the high-pressure air pump (8) is connected with an air spraying pipe (12) through an air conveying pipeline (7).

2. A negative pressure suction device according to claim 1, characterized in that: the bottom end of the front side of the filter box (2) is inserted with a dust collection drawer (9) through a slot, and a rubber sealing strip is bonded at the joint of the periphery of the dust collection drawer (9) and the slot.

3. A negative pressure suction device according to claim 2, characterized in that: an impurity removal door (10) is installed on the other side of the filter box (2) through a hinge, and a rubber door seal is bonded at the joint of the inner side of the impurity removal door (10) and the filter box (2).

4. A negative pressure suction device according to claim 1, characterized in that: and an exhaust pipe (6) is arranged at the exhaust end of the exhaust fan (5) through a pipe sleeve.

5. A negative pressure suction device according to claim 1, characterized in that: the top end of the gas transmission pipeline (7) is sleeved with a one-way valve (11).