CN103191621A - Adsorbing and catalyzing integrated exhaust gas purifying device - Google Patents

Abstract

The invention discloses an adsorption and catalysis integrated exhaust gas purification device. The device comprises a waste gas inlet pipeline provided with a filter, an inlet of an adsorption box connected to the inlet pipeline, an outlet of the adsorption box connected to a chimney through a valve and an exhaust fan, and an outlet of the adsorption box The catalytic device is connected to the catalytic device through the valve and the desorption pipe, and the catalytic device is connected to the desorption fan. The desorption fan is connected to the inlet of the adsorption box through the exhaust pipe, and is arranged between the exhaust pipe and the inlet of the adsorption box. There is a valve, and the exhaust pipe is connected with the chimney through the valve at the same time. The adsorption and catalysis integrated waste gas purification device adopting this technical solution can treat different concentrations and types of waste gas through adsorption, catalysis, or through adsorption, desorption, catalysis or directly through adsorption. It has a wide range of treatment and is suitable for use in different production environments, that is, it can handle The organic matter in the exhaust gas can also absorb the odor in the exhaust gas, and the structure design is reasonable.

Description

An adsorption and catalytic integrated exhaust gas purification device

technical field

The invention relates to waste gas treatment equipment, in particular to an adsorption-catalysis integrated waste gas purification device.

Background technique

Exhaust gas treatment equipment in the prior art generally uses combustion oxidation treatment to oxidize organic waste gas into water and carbon dioxide. This processing method is relatively simple, but the processing effect is not very ideal. When dealing with harmful organic gases volatilized and leaked from painting, printing, electromechanical, home appliances, shoemaking, plastics and various chemical workshops, it is not able to deal with the irritating odor and the dust mist contained in the exhaust gas.

Contents of the invention

The object of the present invention is to address the deficiencies in the prior art, and provide an adsorption-catalysis integrated exhaust gas purification device that can treat odor and dust mist uniformly and thoroughly when treating organic waste gas.

In order to achieve the above purpose, an adsorption and catalysis integrated exhaust gas purification device of the present invention adopts the following technical scheme:

An adsorption and catalysis integrated exhaust gas purification device, comprising an exhaust gas inlet pipeline provided with a filter, an inlet of an adsorption box connected to the inlet pipeline, the outlet of the adsorption box is connected to a chimney through a valve and an exhaust fan, The outlet of the adsorption box is connected to the catalytic device through a valve and the desorption pipe, and the catalytic device is connected to the desorption fan. The desorption fan is connected to the inlet of the adsorption box through an exhaust duct. Valves are arranged between the inlets of the adsorption box, and the exhaust pipe is connected with the chimney through the valves.

A plurality of adsorption boxes are connected in parallel between the exhaust gas inlet pipeline and the exhaust fan.

The outlets of the multiple parallel adsorption boxes are respectively connected to the desorption pipelines through valves, and the inlets are connected to the exhaust pipelines.

An adsorption device for absorbing dust mist and odor is arranged inside the exhaust gas inlet pipeline.

An activated carbon drawer is installed in the adsorption box.

Compared with the background technology, the adsorption and catalysis integrated exhaust gas purification device of the present invention preliminarily filters the dust mist and odor through the filter when treating the exhaust gas, and absorbs more dust mist and odor in the exhaust gas in the adsorption box. After the exhaust gas reaches the emission standard, it is discharged from the chimney through the exhaust fan. If it does not meet the emission standard, it can enter the catalytic device through the desorption tube for catalytic treatment, and the organic matter in the exhaust gas is catalytically burned to make it meet the emission standard. Exhausted by the desorption fan into the chimney; when the adsorption box is saturated, close the valves of the exhaust fan and the adsorption box, blow air from the inlet of the adsorption box through the desorption fan for desorption treatment, and the desorbed exhaust gas enters the catalytic device for catalytic combustion treatment. Discharge after qualified treatment; through adsorption, catalysis or through adsorption, desorption, catalysis or directly through adsorption to treat different concentrations and types of waste gas, the treatment range is wide, suitable for different production environments, that is, it can treat organic matter in waste gas and can absorb waste gas Medium odor, reasonable structure design. The present invention can connect a plurality of adsorption boxes in parallel, and perform desorption treatment after a part of the adsorption boxes are adsorbed and saturated, and other adsorption boxes can continue to perform adsorption work, ensuring that the device can continue to work without intermission; the occupied area of the device is Small in size and light in weight, the activated carbon drawer in the adsorption box is easy to replace. The organic gas is absorbed and concentrated through the activated carbon drawer. When the exhaust gas concentration reaches 2000ppm or more during catalytic combustion analysis, catalytic combustion can maintain spontaneous combustion and save energy.

Description of drawings

Fig. 1 is a schematic structural diagram of an adsorption-catalysis integrated exhaust gas purification device of the present invention.

Detailed ways

Below in conjunction with accompanying drawing and specific embodiment, further illustrate the present invention, it should be understood that these embodiments are only used to illustrate the present invention and are not intended to limit the scope of the present invention, after reading the present invention, those skilled in the art will understand various aspects of the present invention Modifications in equivalent forms all fall within the scope defined by the appended claims of this application.

As shown in Figure 1, the present invention discloses an adsorption and catalytic integrated exhaust gas purification device, which includes an exhaust gas inlet pipeline 2 provided with a filter 1, and the inlet pipeline 2 is connected to the inlet 31 of a plurality of adsorption boxes 3 connected in parallel. connected, the outlet 32 of these adsorption boxes 3 is connected with the chimney 6 through the valve 4, the exhaust fan 5, the outlet 32 of these adsorption boxes is connected with the catalytic device 8 through the valve 4, the desorption pipe 7, and the catalytic device 8 is connected with the desorption fan 9, the desorption blower 9 is connected to the inlet 31 of the adsorption box connected in parallel through the exhaust duct 10, and a valve 4 is arranged between the exhaust duct 10 and the inlet 31 of the adsorption box. 10 is connected to the chimney 6 through the valve 4 at the same time. The exhaust gas inlet pipeline 2 is provided with an adsorption device for absorbing dust mist and odor. The adsorption box 3 is equipped with an activated carbon drawer 33. A short-circuit pipe 20 with a valve 4 is short-circuited between the attached pipes, and the short-circuit pipe can realize two-way blowing and desorption of the adsorption box by switching the valve 4 .

The adsorption and catalysis integrated exhaust gas purification device of the present invention firstly filters the dust mist and odor through the filter and the adsorption device inside the inlet pipeline when treating exhaust gas, and absorbs more dust mist and odor in the exhaust gas in the adsorption box, After the exhaust gas after adsorption reaches the emission standard, it is discharged from the chimney through the exhaust fan. If it does not meet the emission standard, it can enter the catalytic device through the desorption tube for catalytic treatment, and the organic matter in the exhaust gas is catalytically burned to make it meet the emission standard. The fan discharges into the chimney; when the adsorption box is saturated, the valves of the exhaust fan and the adsorption box are closed, and the desorption fan is blown from the inlet of the adsorption box for desorption treatment, and the desorbed exhaust gas enters the catalytic device for catalytic combustion Treatment, discharge after passing the treatment, so that the organic matter in the exhaust gas can be treated intensively, especially suitable for the treatment of organic waste gas with low concentration. After the organic matter accumulates to a certain concentration, it will be desorbed and catalyzed; through adsorption, catalysis or through adsorption, desorption , catalysis or directly through adsorption to treat different concentrations and types of waste gas. It has a wide range of treatment and is suitable for use in different production environments. It can not only treat organic matter in waste gas but also absorb odor in waste gas. The structure design is reasonable. The present invention can connect a plurality of adsorption boxes in parallel, and perform desorption treatment after a part of the adsorption boxes are adsorbed and saturated, and other adsorption boxes can continue to perform adsorption work, ensuring that the device can continue to work without intermission; the occupied area of the device is Small in size and light in weight, the activated carbon drawer in the adsorption box is easy to replace. The organic gas is absorbed and concentrated through the activated carbon drawer. When the exhaust gas concentration reaches 2000ppm or more during catalytic combustion analysis, catalytic combustion can maintain spontaneous combustion and save energy.

Claims (5)

1. adsoption catalysis integral waste gases purifier, it is characterized in that: comprise the exhaust gas entrance pipeline that is provided with filter, the entrance of the absorption casing that is connected with entrance pipe, valve is passed through in the outlet of described absorption casing, exhaust blower is connected with chimney, valve is passed through in the outlet of described absorption casing, desorption pipe is connected with catalytic unit, catalytic unit is connected with the desorption blower fan, described desorption blower fan is connected by the entrance of exhaust duct with the absorption casing, be provided with valve between the entrance of exhaust duct and absorption casing, this exhaust duct is connected with chimney by valve simultaneously.

2. adsoption catalysis integral waste gases purifier according to claim 1 is characterized in that: be parallel with a plurality of absorption casings between exhaust gas entrance pipeline and the exhaust blower.

3. adsoption catalysis integral waste gases purifier according to claim 2, it is characterized in that: the outlet of the absorption casing of described a plurality of parallel connections is connected with the desorption pipeline by valve respectively, and entrance is connected with exhaust duct.

4. according to claim 1,2 or 3 described adsoption catalysis integral waste gases purifiers, it is characterized in that: exhaust gas entrance pipeline inside is provided with the adsorbent equipment for absorption cloud and stink.

5. adsoption catalysis integral waste gases purifier according to claim 4 is characterized in that: in the described absorption casing active carbon drawer is installed.

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