CN212914987U

CN212914987U - Dust particle filtering device for waste gas treatment

Info

Publication number: CN212914987U
Application number: CN202020709959.3U
Authority: CN
Inventors: 黄天浩
Original assignee: Heilongjiang Zhihua Environmental Protection Technology Co ltd
Current assignee: Heilongjiang Zhihua Environmental Protection Technology Co ltd
Priority date: 2020-05-03
Filing date: 2020-05-03
Publication date: 2021-04-09
Anticipated expiration: 2030-05-03

Abstract

The utility model discloses a dust particle filtering device for waste gas treatment, which comprises a purifying box body, a filtering box body and an air purifying chamber, wherein the purifying box body is internally provided with a filtering bag, the lower end of the inside of the purifying box body, where the filtering bag is positioned, is provided with a screen, the top end of the purifying box body is provided with the air purifying chamber, one side of the bottom end of the air purifying chamber is externally connected with a water pipe, the lower end of the water pipe inside the air purifying chamber is provided with a nozzle, the middle part of one side of the air purifying chamber is connected with the filtering box body through a gas pipe, the middle position of the gas pipe is provided with a control valve, the top end of the inside of the filtering box body is provided with a water injection tank, the bottom of the water injection tank is provided with a spraying device, one side of the spraying device at the bottom of the water injection, the device can more effectively remove impurities in the waste gas through multiple times of filtration, and the pollution degree of gas emission is reduced.

Description

Dust particle filtering device for waste gas treatment

Technical Field

The utility model relates to an exhaust-gas treatment technical field specifically is a dust particle filter equipment for exhaust-gas treatment.

Background

In modern society with advanced technology, a large number of industrial plants, such as steel plants, pharmaceutical plants, coking plants, oil refineries, etc., have been developed, which emit a large amount of harmful gases during their manufacture, which contain a lot of dust particles, and if the gases are directly discharged into the air, the gases not only have a strong odor and a serious environmental pollution, but also have a lot of adverse effects on human health, and deteriorate the living environment of people over time, which aggravates the degradation of air quality and the deterioration of the ecological environment of the earth.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a dust particle filter equipment for exhaust-gas treatment to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a dust particle filtering device for waste gas treatment, which comprises a purifying box body, a filtering box body and a gas purifying chamber, the interior of the purifying box body is provided with a filter bag, the lower end of the interior of the purifying box body where the filter bag is arranged is provided with a screen, the top end of the purifying box body is provided with an air purifying chamber, and one side of the bottom end of the air purifying chamber is externally connected with a water pipe, the lower end of the water pipe in the air purifying chamber is provided with a spray head, the middle part of one side of the air purifying chamber is connected with a filtering box body through an air pipe, a control valve is arranged in the middle of the air pipe, a water injection groove is arranged at the top end inside the filtering box body, the bottom of the water injection tank is provided with a spray device, one side of the spray device at the bottom of the water injection tank is provided with a filter screen film, and the bottom of the filter screen membrane is connected with a shield plate, one side of the shield plate in the filter box is provided with a settling tank, and the inside of the settling tank is provided with an ultrafine filter membrane.

As a further aspect of the present invention: an air inlet is installed on one side of the bottom of the purifying box body, and a rotary valve is installed at the upper end of the air inlet.

As a further aspect of the present invention: the base is installed to the bottom that purifies the box, the drain is installed to the middle part of base lower extreme, and the support frame is all installed to the base lower extreme of drain both sides.

As a further aspect of the present invention: a drainage pipeline is installed on one side of the filtering box body, and an air outlet is installed on the other side of the filtering box body.

As a further aspect of the present invention: the base is also installed to the bottom of filtering the box, and the support frame is all installed to the both sides of base bottom, the intermediate position of base bottom is installed and is depositd and get rid of the mouth.

As a further aspect of the present invention: the water inlet is installed at the top of the filtering box body, and a water valve is installed on the surface of the water inlet.

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

1. the device has filter bag and screen cloth through the internally mounted who purifies the box, when the harmful gas who contains dust particle enters into and purifies the box, at first can filter some big particulate matters through the screen cloth, then filters most foreign matter at having the filter bag.

2. When the gas after purification reaches the filtering box body through the air purifying chamber, the spray head in the air purifying chamber can convey water through the water pipe to clean the filtering bag and the screen, so that the blockage of the screen due to long-term use is avoided.

3. The gas after purifying for the first time enters into and filters the box, at this moment transports water to spray set through the water injection groove that installs and sprays the operation for some more tiny naked eye invisible dust particles deposit, deposit after the sediment and temporarily save in the setting tank, gas after purifying is again through the filtration discharge to the air of last superfine filter membrane and filter screen membrane.

Drawings

Fig. 1 is a schematic front view of a dust particle filter for exhaust gas treatment.

FIG. 2 is a schematic sectional view showing a structure of a purifying case in the dust-filtering apparatus for exhaust gas treatment.

Fig. 3 is a schematic sectional view showing a filter housing of the dust-particle filtering apparatus for exhaust gas treatment.

In the figure: the device comprises a purification box body 1, a filtering box body 2, an air purifying chamber 3, a base 4, a support frame 5, a water pipe 6, a rotary valve 7, an air inlet 8, a sewage outlet 9, a water valve 10, a water inlet 11, a filter screen film 12, an air outlet 13, a control valve 14, a filter bag 15, a shield plate 16, an air pipe 17, a spray head 18, a screen 19, a water injection groove 20, a spraying device 21, a drainage pipe 22, a settling tank 23, an ultrafine filter film 24 and a precipitation discharge port 25

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.

Referring to fig. 1 to 3, in an embodiment of the present invention, a dust particle filtering apparatus for waste gas treatment includes a purifying box 1, a filtering box 2 and an air purifying chamber 3, a filtering bag 15 is installed inside the purifying box 1, a screen 19 is installed at the lower end inside the purifying box 1 where the filtering bag 15 is located, when harmful gas containing dust particles enters the purifying box 1, some large particulate matters are filtered by the screen 19, most impurities are filtered by the filtering bag 15, the air purifying chamber 3 is installed at the top end of the purifying box 1, the air purifying chamber 3 stores the gas after the first purification, a water pipe 6 is externally connected to one side of the bottom end of the air purifying chamber 3, a nozzle 18 is installed at the lower end of the water pipe 6 inside the air purifying chamber 3, the nozzle 18 inside the air purifying chamber 3 transports water to the filtering bag 15 and the screen 19, thereby avoiding mesh blockage caused by long-term use, the middle part of one side of the air purifying chamber 3 is connected with a filtering box body 2 through an air pipe 17, a control valve 14 is arranged at the middle position of the air pipe 17, the control valve 14 controls the air to enter and exit, a water injection groove 20 is arranged at the top end inside the filtering box body 2, the water injection groove 20 can store a certain amount of water to prevent the equipment from being incapable of normally running in the water cutting process, a spraying device 21 is arranged at the bottom of the water injection groove 20, the spraying device 21 can enable some fine dust particles invisible to naked eyes to precipitate, a filter screen film 12 is arranged at one side of the spraying device 21 at the bottom of the water injection groove 20, and the bottom of the filter screen membrane 12 is connected with a shield plate 16, one side of the shield plate 16 in the filter box body 2 is provided with a settling tank 23, the inside of the settling tank 23 is provided with a superfine filter membrane 24, and the purified gas is discharged into the air after being filtered by the superfine filter membrane 24 and the filter screen membrane 12 at the last time.

Referring to fig. 1, an air inlet 8 is installed at one side of the bottom of the purification box 1, and a rotary valve 7 is installed at the upper end of the air inlet 8, and the rotary valve 7 can control the gas to enter by rotating.

Referring to fig. 1, a base 4 is installed at the bottom of a purification box 1, a sewage outlet 9 is installed at the middle part of the lower end of the base 4, the sewage outlet 9 is used for discharging impurities which are roughly filtered for the first time, and support frames 5 are installed at the lower ends of the base 4 at the two sides of the sewage outlet 9.

Referring to fig. 3, a drain pipe 22 is installed at one side of the filtering box 2, the drain pipe 22 is used for discharging the sprayed sewage, and an air outlet 13 is installed at the other side of the filtering box 2.

Referring to fig. 1 and 3, a base 4 is also installed at the bottom of the filtering box 2, supporting frames 5 are installed at both sides of the bottom of the base 4, a precipitation discharge port 25 is installed at the middle position of the bottom end of the base 4, and the precipitation discharge port 25 is used for discharging harmful impurities such as dust particles precipitated after spraying.

Referring to fig. 1, a water inlet 11 is installed at the top of a filtering box 2, and a water valve 10 is installed on the surface of the water inlet 11, so that the water valve 10 can effectively control the output and input of water.

The utility model discloses a theory of operation is: when the device is used, firstly, the air inlet 8 of the purifying box body 1 is opened through the rotary valve 7 to allow harmful gas containing dust particles to enter, when the harmful gas passes through the screen 19, some large particulate matters are filtered, then most foreign matters are filtered through the filter bag 15, the roughly filtered gas can enter the air purifying chamber 3, then the control valve 14 is opened to allow the gas to enter the filtering box body 2 through the air pipe 17, the spray head 18 and the spraying device 21 are opened while the control valve 14 is closed, the filter bag 15 and the screen 19 are cleaned by the spray head 18 to prevent mesh blockage after long-term use, the spray head 18 is closed and the sewage discharge port 9 is opened to remove the foreign matters after cleaning is finished, at the moment, the gas entering the filtering box body 2 is cleaned by the spraying device 21 to remove invisible particulate matters, and the cleaned precipitate matters flow to the settling box 23 to be temporarily stored, and then the spraying device 21 and the water valve 10 are closed, the gas is filtered for the last time through the superfine filter membrane 24 and the filter screen membrane 12, the gas outlet 13 is opened to discharge the filtered gas, then all gas inlets and outlets are closed, finally the sewage is discharged through the water discharge pipeline 22, then the sediment discharge outlet 25 is opened to discharge the sediment, and finally all the equipment is closed.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a dust particle filter equipment for exhaust-gas treatment, includes purifying box (1), filters box (2) and air-purifying chamber (3), its characterized in that: the internally mounted who purifies box (1) has filter bag (15), filter bag (15) place purifies box (1) inside lower extreme and installs screen cloth (19), air-purifying chamber (3) are installed on the top that purifies box (1), and one side of air-purifying chamber (3) bottom is external to have water pipe (6), shower nozzle (18) are installed to water pipe (6) lower extreme inside air-purifying chamber (3), the mid portion of air-purifying chamber (3) one side is connected with through trachea (17) and filters box (2), and the intermediate position of trachea (17) installs control valve (14), water injection tank (20) are installed on the inside top of filtration box (2), spray set (21) is installed to the bottom of water injection tank (20), filter screen membrane (12) are installed to spray set (21) one side of water injection tank (20) bottom, and the bottom of filter membrane (12) is connected with (16), a settling tank (23) is installed on one side of a shielding plate (16) in the filtering tank body (2), and a superfine filtering membrane (24) is installed inside the settling tank (23).

2. The exhaust gas treatment dust particle filter device according to claim 1, wherein: air inlet (8) are installed to one side of purifying box (1) bottom, and rotary valve (7) are installed to the upper end of air inlet (8).

3. The exhaust gas treatment dust particle filter device according to claim 1, wherein: base (4) are installed to the bottom of purifying box (1), drain (9) are installed to the middle part of base (4) lower extreme, and support frame (5) are all installed to base (4) lower extreme of drain (9) both sides.

4. The exhaust gas treatment dust particle filter device according to claim 1, wherein: a drainage pipeline (22) is installed on one side of the filtering box body (2), and an air outlet (13) is installed on the other side of the filtering box body (2).

5. The exhaust gas treatment dust particle filter device according to claim 1, wherein: base (4) are also installed to the bottom of filtering box (2), and support frame (5) are all installed to the both sides of base (4) bottom, the intermediate position of base (4) bottom is installed and is depositd and get rid of mouth (25).

6. The exhaust gas treatment dust particle filter device according to claim 1, wherein: a water inlet (11) is installed at the top of the filtering box body (2), and a water valve (10) is installed on the surface of the water inlet (11).