CN216935302U

CN216935302U - Treatment device for purifying dust-containing waste gas

Info

Publication number: CN216935302U
Application number: CN202122414503.1U
Authority: CN
Inventors: 胡聪; 陈进雨
Original assignee: Hubei Zhiyun Lengfeng Environmental Protection Technology Co ltd
Current assignee: Hubei Zhiyun Lengfeng Environmental Protection Technology Co ltd
Priority date: 2021-10-08
Filing date: 2021-10-08
Publication date: 2022-07-12
Anticipated expiration: 2031-10-08

Abstract

A treatment device for purifying waste gas containing dust comprises a washing tower, wherein a spray head is arranged at the top of the washing tower, a packing layer is arranged in the middle of the washing tower, a waste gas inlet is arranged at the bottom of the washing tower, an overflow port is arranged above the waste gas inlet, circulating liquid is stored at the bottom of the washing tower, and the waste gas inlet is connected with a dust filter through an air pipe and a fan; the top of the washing tower is connected with an induced draft fan through a pipeline, the output end of the induced draft fan is connected with a discharge tube, the discharge tube is fixed through a monitoring frame, and a monitoring platform is arranged at the top of the monitoring frame. According to the utility model, the dust filter is additionally arranged at the front end of the washing tower, the dust filter is used for filtering dust, and then the waste gas is washed, so that the waste gas containing dust is effectively purified.

Description

Treatment device for purifying dust-containing waste gas

Technical Field

The utility model belongs to the technical field of waste gas purification treatment, and particularly relates to a treatment device for purifying dust-containing waste gas.

Background

Most of the existing waste gas treatment devices adopt a washing tower, and a spraying device is arranged in the washing tower, for example, Chinese patent document CN 112604433A discloses a washing tower for waste gas treatment in a production workshop and a using method thereof. A counter-flow treatment technology is also adopted, but when the existing waste gas treatment device is used for treating waste gas containing dust, the effect is poor, the dust can cause turbidity of washing liquid or circulating liquid, and the load of the washing tower is increased.

Disclosure of Invention

In view of the technical problems in the background art, the utility model provides a processing device for purifying dust-containing waste gas, which effectively performs purification treatment on the dust-containing waste gas by adding a dust filter at the front end of a washing tower, filtering dust by using the dust filter and then performing washing treatment on the waste gas.

In order to solve the technical problems, the utility model adopts the following technical scheme to realize:

a treatment device for purifying waste gas containing dust comprises a washing tower, wherein a spray head is arranged at the top of the washing tower, a packing layer is arranged in the middle of the washing tower, a waste gas inlet is arranged at the bottom of the washing tower, an overflow port is arranged above the waste gas inlet, circulating liquid is stored at the bottom of the washing tower, and the waste gas inlet is connected with a dust filter through an air pipe and a fan; the top of the washing tower is connected with an induced draft fan through a pipeline, the output end of the induced draft fan is connected with a discharge tube, the discharge tube is fixed through a monitoring frame, and a monitoring platform is arranged at the top of the monitoring frame.

In the preferred scheme, dust filter include the shell, be equipped with the dust and filter the piece in the shell, the dust filters the piece and has separated the air inlet room and has formed air-out room with the shell, the dust filters a piece middle part and rotationally is equipped with the pivot, the pivot both ends are equipped with clearance brush and axial-flow type fan respectively, the clearance brush is located the air inlet indoor, the axial-flow type fan is located the air-out indoor.

In the preferred scheme, the dust filter piece including filtering the box, filter the box middle part and be equipped with pivot installation passageway, pivot installation passageway is used for installing the pivot, is equipped with the filtration filler in the rose box, filters the box both sides and all is equipped with the filtration pore.

In a preferred scheme, the bottom of the air inlet chamber extends downwards to form a settling chamber.

In a preferred scheme, the settling chamber is funnel-shaped, and a drainage inserting plate is arranged at the bottom of the settling chamber.

In the preferred scheme, the upper end and the lower end of the filtering box body are respectively provided with a feeding cylinder and a discharging cylinder.

In a preferable scheme, a defogging layer is arranged above the spray head.

In a preferable scheme, a detection hole is formed in the top of the discharge cylinder.

In a preferred scheme, the monitoring platform is used for installing a gas analyzer.

In a preferable scheme, a pH monitor probe is arranged in the circulating liquid at the bottom of the washing tower.

This patent can reach following beneficial effect:

because industrial waste gas generally contains relatively concentrated dust, the utility model effectively purifies the waste gas containing dust by adding a dust filter at the front end of the washing tower, filtering the dust by using the dust filter and then washing the waste gas.

Drawings

The utility model is further illustrated by the following examples in conjunction with the accompanying drawings:

FIG. 1 is a block diagram of the system of the present invention;

FIG. 2 is a diagram of a scrubber according to the present invention;

FIG. 3 is a schematic view of a dust filter according to the present invention;

fig. 4 is a view showing the appearance of the dust filter of the present invention.

In the figure: the device comprises a dust filter 1, a shell 101, a rotating shaft 102, a cleaning brush 103, an axial-flow fan 104, a filtering box body 105, a rotating shaft installation channel 106, filtering filler 107, a filtering hole 108, a settling chamber 109, a feeding cylinder 110, a discharging cylinder 111, a fan 2, a washing tower 3, a spray head 301, a packing layer 302, an overflow port 303, a demisting layer 304, a draught fan 4, a discharging cylinder 5, an observation hole 501, a monitoring frame 6 and a monitoring platform 601.

Detailed Description

A preferable scheme is as shown in fig. 1 to 4, a treatment device for purifying dust-containing waste gas comprises a washing tower 3, a spray nozzle 301 is arranged at the top of the washing tower 3, a packing layer 302 is arranged in the middle of the washing tower 3, a waste gas inlet is arranged at the bottom of the washing tower 3, an overflow port 303 is arranged above the waste gas inlet, circulating liquid is stored at the bottom of the washing tower 3, and the waste gas inlet is connected with a dust filter 1 through an air pipe and a fan 2; the top of the washing tower 3 is connected with the draught fan 4 through a pipeline, the output end of the draught fan 4 is connected with the discharge cylinder 5, the discharge cylinder 5 is fixed through the monitoring frame 6, and the top of the monitoring frame 6 is provided with the monitoring platform 601.

The industrial waste gas generally contains relatively concentrated dust, and the dust is filtered by adding a dust filter 1 at the front end of a washing tower 3, and then the waste gas is washed. Acidic or alkaline washing liquid is prepared according to the components of the waste gas, the washing liquid is sprayed downwards from the spray nozzle 301, and the waste gas moves upwards from the bottom of the washing tower 3 to form a counter-flow washing mode. The packing layer 302 is a spherical Raschig ring which is used for increasing the contact area of the waste gas and the washing liquid and improving the reaction efficiency.

Further, dust filter 1 includes shell 101, is equipped with the dust in the shell 101 and filters the piece, and the dust filters and separates shell 101 and has formed air inlet chamber and air-out chamber, and dust filters a piece middle part and rotationally is equipped with pivot 102, and pivot 102 both ends are equipped with clearance brush 103 and axial-flow type fan 104 respectively, and clearance brush 103 is located the air inlet chamber, and axial-flow type fan 104 is located the air-out indoor. The cleaning brush 103 is used for cleaning the windward side of the dust filtering piece, and the blockage of the dust filtering piece is avoided.

Further, the dust filter element comprises a filter box body 105, a rotating shaft installation channel 106 is arranged in the middle of the filter box body 105, the rotating shaft installation channel 106 is used for installing the rotating shaft 102, filter fillers 107 are arranged in the filter box body 105, and filter holes 108 are formed in two sides of the filter box body 105. Axial motion's waste gas can drive axial-flow fan 104 and rotate when passing through axial-flow fan 104, and axial-flow fan 104 drives pivot 102 and rotates, and pivot 102 drives cleaning brush 103 and rotates, and cleaning brush 103 clears up the filtration hole 108 of filtration box 105 windward one side, filtration box 105 windward one side filter hole 108 for being located the filtration hole 108 of intake air room one side. Because the dust is contained in the dust-containing waste gas during purification, the dust is easily accumulated on the windward side of the filtering box body 105, and the filtering holes 108 are easily blocked due to overlong time, the cleaning brush 103 is designed to be used for cleaning the dust filtering piece, the driving part of the cleaning brush 103 is not driven by electric power or other energy sources, but the flow of the waste gas drives the axial fan 104 to rotate, so that the cleaning brush 103 is driven to rotate, and the self-cleaning device is formed. The housing 101 and the filter housing 105 may have a square configuration or a circular configuration.

Further, the bottom of the air inlet chamber extends downward to form a settling chamber 109. The dust deposited in the air intake chamber and the dust cleaned by the cleaning brush 103 are deposited in the deposition chamber 109.

Further, the settling chamber 109 is funnel-shaped, and a drainage insert plate is arranged at the bottom of the settling chamber 109. The drainage insert is opened for discharging the settled dust.

Further, a feeding cylinder 110 and a discharging cylinder 111 are respectively arranged at the upper end and the lower end of the filtering box body 105. The end parts of the feeding cylinder 110 and the discharging cylinder 111 are provided with sealing plates, the sealing plates are connected with the feeding cylinder 110 and the discharging cylinder 111 through bolts, the sealing plates are opened for replacing the filtering filler 107, and the filtering filler 107 is porous filtering balls or filtering cotton.

Further, a defogging layer 304 is disposed above the nozzle 301. The defogging layer 304 prevents the fog formed in the spraying process of the cleaning solution from being directly discharged to cause secondary pollution.

Further, the top of the discharge cylinder 5 is provided with a detection hole 501. The monitoring platform 601 is used for mounting a gas analyzer. The gas analyzer samples from the detection hole 501, and judges whether the discharge of the waste gas meets the discharge standard or not by analyzing the content of the gas.

Furthermore, a pH monitor probe is arranged in the circulating liquid at the bottom of the washing tower 3. When the washing tower 3 initially works, water is arranged at the bottom of the washing tower and used for dissolving soluble gas, and the overflow port 303 is connected with a water circulation purification device.

The above-described embodiments are merely preferred embodiments of the present invention, and should not be construed as limiting the present invention, and the scope of the present invention is defined by the claims, and equivalents including technical features described in the claims. I.e., equivalent alterations and modifications within the scope hereof, are also intended to be within the scope of the utility model.

Claims

1. The utility model provides a processing apparatus for purifying contain dust waste gas, includes scrubbing tower (3), and scrubbing tower (3) top is equipped with shower nozzle (301), and scrubbing tower (3) middle part is equipped with packing layer (302), and scrubbing tower (3) bottom is equipped with the waste gas air inlet, and waste gas air inlet top is equipped with overflow mouth (303), and scrubbing tower (3) bottom storage has circulation liquid, its characterized in that: the waste gas inlet is connected with the dust filter (1) through an air pipe and a fan (2); the top of the washing tower (3) is connected with an induced draft fan (4) through a pipeline, the output end of the induced draft fan (4) is connected with a discharge cylinder (5), the discharge cylinder (5) is fixed through a monitoring frame (6), and the top of the monitoring frame (6) is provided with a monitoring platform (601).

2. The processing apparatus for purifying a dust-containing exhaust gas according to claim 1, characterized in that: dust filter (1) is equipped with the dust in shell (101) including shell (101), and the dust filters the piece and has formed air inlet room and air-out room with shell (101) separation, and the dust filters a piece middle part and rotationally is equipped with pivot (102), and pivot (102) both ends are equipped with clearance brush (103) and axial-flow type fan (104) respectively, and clearance brush (103) are located the air inlet indoor, and axial-flow type fan (104) are located the air-out indoor.

3. The processing apparatus for purifying a dust-containing exhaust gas according to claim 2, characterized in that: the dust filtering piece comprises a filtering box body (105), a rotating shaft installation channel (106) is arranged in the middle of the filtering box body (105), the rotating shaft installation channel (106) is used for installing a rotating shaft (102), a filtering filler (107) is arranged in the filtering box body (105), and filtering holes (108) are formed in two sides of the filtering box body (105).

4. The processing apparatus for purifying a dust-containing exhaust gas according to claim 2, characterized in that: the bottom of the air inlet chamber extends downwards to form a settling chamber (109).

5. The processing apparatus for purifying a dust-containing exhaust gas according to claim 4, characterized in that: the settling chamber (109) is funnel-shaped, and a drainage inserting plate is arranged at the bottom of the settling chamber (109).

6. The processing apparatus for purifying a dust-containing exhaust gas according to claim 3, characterized in that: the upper end and the lower end of the filtering box body (105) are respectively provided with a feeding cylinder (110) and a discharging cylinder (111).

7. The processing apparatus for purifying dust-containing exhaust gas according to claim 1, characterized in that: a defogging layer (304) is arranged above the shower nozzle (301).

8. The processing apparatus for purifying a dust-containing exhaust gas according to claim 1, characterized in that: the top of the discharge cylinder (5) is provided with a detection hole (501).

9. The processing apparatus for purifying a dust-containing exhaust gas according to claim 1, characterized in that: the monitoring platform (601) is used for mounting a gas analyzer.

10. The processing apparatus for purifying a dust-containing exhaust gas according to claim 1, characterized in that: a PH monitor probe is arranged in the circulating liquid at the bottom of the washing tower (3).