CN205550043U - Combined type dust -containing waste gas purifier - Google Patents

Abstract

The utility model discloses a composite dust-containing exhaust gas purification device, which comprises a box body and a pre-separation chamber, an air guide room, a decomposition chamber, an adsorption chamber and an exhaust chamber arranged in sequence in the box body, and a plurality of The decomposition device installed obliquely upwards from the inlet end, the inlet end of the decomposition device communicates with the air guide chamber, and the gas outlet end communicates with the adsorption chamber, the decomposition device includes a decomposition tube, a photocatalyst arranged on the inner wall of the decomposition tube The catalyst layer and the ultraviolet lamp arranged on the center line of the decomposition tube; the utility model is integrated in the box body, occupies a small area, can effectively purify the dusty exhaust gas, and is easy to maintain and maintain.

Description

A compound dusty waste gas purification device

technical field

The utility model belongs to the technical field of waste gas treatment, and in particular relates to a compound dusty waste gas purification device.

Background technique

At present, waste gas used in metal smelting, metal surface treatment, chemical industry, electronics, machinery manufacturing and other industries adopts two methods of wet dust removal or dry dust removal. In order to purify the toxic and harmful substances in the waste gas, wet dust removal is usually performed Or add ultraviolet lamps and photocatalyst catalysts in the process of dry dust removal, so that the photocatalyst catalysts can filter, decompose, sterilize and disinfect under the action of ultraviolet lamps. However, since the photocatalyst catalyst and the ultraviolet lamp are installed in sections and fixed points, the distance between the photocatalyst catalyst and the ultraviolet lamp is not equal, so that the intensity of the light is strong or weak, and the air inlet is generally located at the lower end of the photocatalyst catalyst and the ultraviolet lamp. The exhaust gas cannot fully contact with the photocatalyst, which greatly affects the purification of toxic and harmful substances in the exhaust gas.

Utility model content

In order to overcome the shortcomings and deficiencies of the prior art, the utility model provides a composite dust-containing exhaust gas purification device. The utility model is integrated in the box body, occupies a small area, can effectively purify dust-containing exhaust gas, and is easy to maintain and maintenance.

The technical scheme adopted by the utility model to solve the technical problem is: a composite dusty waste gas purification device, including a box body and a pre-separation chamber, an air guide chamber, a decomposition chamber, an adsorption chamber and an exhaust air chamber arranged in sequence in the box body. In the decomposition chamber, a plurality of decomposition devices installed obliquely upward from the inlet end are arranged in parallel in the decomposition chamber. The inlet end of the decomposition device communicates with the air guide chamber, and the air outlet end communicates with the adsorption chamber.

Further, the decomposition device includes a decomposition tube, a photocatalyst catalyst layer arranged on the inner wall of the decomposition tube, and an ultraviolet lamp arranged on the centerline of the decomposition tube.

Furthermore, the included angle between the decomposition device and the vertical is 60±10°.

Further, the lower part of the pre-separation chamber is respectively provided with an air inlet and a conical ash hopper, the upper part of the pre-separation chamber is provided with a plurality of filter cartridges longitudinally, and the lower end of the ash hopper is provided with an ash discharge port.

Further, the air guide chamber is 7-shaped, arranged on the upper end of the pre-separation chamber and communicated with the filter cartridge, the lower part of the air guide chamber is provided with a conical ash hopper, and the upper part of the air guide chamber is A fan is also provided, and an ash unloading port is provided at the lower end of the ash hopper.

Further, a plurality of activated carbon filter screens are vertically arranged in the adsorption chamber.

Further, an exhaust pipe is provided in the exhaust chamber, and the exhaust pipe communicates with the adsorption chamber, and a fan is also arranged in the exhaust pipe.

Further, a valve is provided on the ash discharge port.

Further, a dust filter is provided at the corner of the air guide chamber.

The beneficial effects of the utility model are:

1. The utility model includes a pre-separation chamber, an air guiding chamber, a decomposition chamber, an adsorption chamber and an exhaust chamber arranged in the box body, which can effectively purify the organic waste gas produced by automobiles, and is environmentally friendly and practical, with high integration and small footprint.

2. In the decomposition chamber of the utility model, there are a plurality of decomposition devices installed obliquely upward from the air intake end in parallel. This installation method obliquely upward from the air intake end prevents the unfiltered dust in the exhaust gas from entering the adsorption chamber smoothly, further Dust in the dusty exhaust air is removed.

3. The decomposition device of the present utility model includes a decomposition tube, a photocatalyst catalyst layer arranged on the inner wall of the decomposition tube, and an ultraviolet lamp arranged on the center line of the decomposition tube, so that the distance between the photocatalyst catalyst and the ultraviolet lamp is not much different, and the exhaust gas flows from the photocatalyst catalyst The exhaust gas is fully in contact with the photocatalyst catalyst, which greatly enhances the purification of toxic and harmful substances in the exhaust gas.

4. The lower ends of the pre-separation chamber and the air guiding chamber of the utility model are provided with ash hoppers, and the lower ends of the ash hoppers are provided with ash discharge ports, which can effectively and timely remove dust.

Description of drawings

Fig. 1 is the structural representation of the utility model.

The reference signs are: 1—casing body, 2—wind guide chamber, 21—dust filter, 3—decomposition tube, 4—photocatalyst catalyst layer, 5—ultraviolet lamp, 6—decomposition chamber, 7—adsorption chamber, 8 —activated carbon filter, 9—exhaust pipe, 10—exhaust chamber, 11—filter cartridge, 12—pre-separation chamber, 13—air inlet, 14—ash hopper, 15—ash discharge port, 16—valve, 17 - fan.

detailed description

Below in conjunction with accompanying drawing, the utility model is described in further detail.

Referring to Fig. 1, the utility model discloses a composite dust-laden waste gas purification device, which includes a box body 1 and a pre-separation chamber 12, an air guide chamber 2, a decomposition chamber 6, and an adsorption chamber sequentially arranged in the box body 1. 7 and the exhaust chamber 10, the decomposition chamber 6 is provided with a plurality of decomposition devices installed obliquely upward from the inlet end in parallel, the inlet end of the decomposition device communicates with the air guide chamber 2, and the air outlet end It communicates with the adsorption chamber 7.

The decomposition device includes a decomposition tube 3 , a photocatalyst catalyst layer 4 arranged on the inner wall of the decomposition tube 3 and an ultraviolet lamp 5 arranged on the centerline of the decomposition tube 3 . The included angle between the decomposition device and the vertical is 60±10°.

The lower part of the pre-separation chamber 12 is respectively provided with an air inlet 13 and a conical ash hopper 14, the upper part of the pre-separation chamber 12 is longitudinally provided with a plurality of filter cartridges 11, and the lower end of the ash hopper 14 is provided with Ash unloading port 15.

The air guide chamber 2 is 7-shaped, arranged on the upper end of the pre-separation chamber 12 and communicated with the filter cartridge 11, the lower part of the air guide chamber 2 is provided with a conical ash hopper 14, and the guide chamber 2 is provided with a conical ash hopper. A blower fan 17 is also arranged on the inner upper part of the air chamber 2, and an ash unloading port 15 is arranged on the lower end of the ash hopper 14.

A multi-layer activated carbon filter screen 8 is vertically arranged in the adsorption chamber 7 .

An exhaust duct 9 is arranged in the exhaust chamber 10 , and the exhaust duct 9 communicates with the adsorption chamber 7 , and a fan 17 is also arranged in the exhaust duct 9 .

The ash discharge port 15 is provided with a valve 16 .

A dust filter 21 is provided at the corner of the air guiding chamber 2 .

When working, the dust-laden exhaust gas enters the pre-separation chamber 12 in the first step, enters through the air inlet 13 at the lower part of the pre-separation chamber 12, and the exhaust gas reaches the outside of the filter cartridge 11 in the pre-separation chamber 12, and the dust is blocked outside the filter cartridge 11 , the dust-free gas enters the filter cartridge 11, the dust falls into the ash hopper 14 due to inertia, the dust-free gas enters the air guide chamber 2 through the outlet end of the filter cartridge 11, and then enters the decomposition device through the air guide chamber 2.

The decomposition device is installed obliquely upwards from the intake end, including the decomposition tube 3, the photocatalyst catalyst layer 4 arranged on the inner wall of the decomposition tube 3 and the ultraviolet lamp 5 arranged on the centerline of the decomposition tube 3, and the exhaust gas flows from the photocatalyst catalyst layer 4 and the ultraviolet lamp. 5, the exhaust gas is fully in contact with the photocatalyst catalyst, which greatly strengthens the purification of toxic and harmful substances in the exhaust gas, and the oblique installation method prevents the unfiltered dust in the exhaust gas from entering the adsorption chamber 7 smoothly, and further removes it. dust in the dusty exhaust gas.

The waste gas purified by the decomposition device further enters the adsorption chamber 7, and the adsorption chamber 7 is longitudinally provided with a multi-layer activated carbon filter screen 8. Activated carbon adsorption is an effective measure for organic waste gases with high concentrations of molecular gases, natural and synthetic dissolved organics, micro-polluting substances, etc. Most of the relatively large organic molecules, aromatic compounds, halogenated alkynes, etc. can be firmly adsorbed on the surface or in the void of activated carbon, and have obvious removal effects on humus, synthetic organic matter and low molecular weight organic matter.

After the above treatment, the purified waste gas is discharged through the exhaust pipe 9 . Both the air guide chamber 2 and the exhaust pipe 9 are provided with a fan 17, and under the negative pressure of the fan 17, the dusty waste gas can quickly pass through the purification device, thereby improving the purification effect. And the bottom of the pre-separation chamber 12 and the air guide chamber 2 is also provided with an ash hopper 14, and the lower end of the ash hopper 14 is provided with an ash discharge port 15, which can effectively and timely remove dust.

The dust-containing exhaust gas purified by the utility model not only does not contain dust, but also has been completely deodorized and killed bacteria, and degrades the malodorous gas substances into low-molecular compounds, water and carbon dioxide, and will not pollute the environment .

The above-mentioned embodiments only illustrate the principles and effects of the present utility model, as well as the partially used embodiments. For those of ordinary skill in the art, without departing from the inventive concept of the present utility model, some Deformation and improvement, these all belong to the protection domain of the present utility model.

Claims (9)

1. a combined type dust-laden exhaust gas purifier, pre-separation room (12), air guiding chamber (2), decomposition chamber (6), adsorption chamber (7) and the exhaust air box (10) including casing (1) and being successively set in casing (1), it is characterized in that: in described decomposition chamber (6), be arranged with multiple decomposer installed obliquely from inlet end in parallel, the inlet end of described decomposer is connected with air guiding chamber (2), and its outlet side is connected with adsorption chamber (7).

A kind of combined type dust-laden exhaust gas purifier the most according to claim 1, it is characterized in that, described decomposer includes decomposing pipe (3), being arranged on the photocatalyst catalyst layer (4) decomposed on pipe (3) inwall and be arranged on the Burdick lamp (5) decomposed on pipe (3) centrage.

A kind of combined type dust-laden exhaust gas purifier the most according to claim 1 and 2, it is characterised in that described decomposer and vertical angle are 60 ± 10 °.

A kind of combined type dust-laden exhaust gas purifier the most according to claim 3, it is characterized in that, described pre-separation room (12) bottom is respectively arranged with air inlet (13) and the ash bucket (14) of cone, described pre-separation room (12) top is vertically arranged with multiple filter cylinder (11), and the lower end of described ash bucket (14) is provided with cinder-discharging port (15).

A kind of combined type dust-laden exhaust gas purifier the most according to claim 4, it is characterized in that, described air guiding chamber (2) in 7 fonts, be arranged on the upper end of pre-separation room (12) and be connected with filter cylinder (11), the bottom of described air guiding chamber (2) is provided with the ash bucket (14) of cone, described air guiding chamber (2) internal upper part is additionally provided with blower fan (17), and the lower end of described ash bucket (14) is provided with cinder-discharging port (15).

A kind of combined type dust-laden exhaust gas purifier the most according to claim 5, it is characterised in that be vertically arranged with multiple activated charcoal strainer (8) in described adsorption chamber (7).

A kind of combined type dust-laden exhaust gas purifier the most according to claim 6, it is characterized in that, being provided with exhaust duct (9) in described exhaust air box (10), described exhaust duct (9) is connected with adsorption chamber (7), is additionally provided with blower fan (17) in described exhaust duct (9).

A kind of combined type dust-laden exhaust gas purifier the most according to claim 7, it is characterised in that be provided with valve (16) on described cinder-discharging port (15).

A kind of combined type dust-laden exhaust gas purifier the most according to claim 8, it is characterised in that the corner of described air guiding chamber (2) is provided with filtering dust net (21).