CN211706338U - Organic waste gas purification treatment system - Google Patents

Abstract

The utility model belongs to the technical field of waste gas treatment, concretely relates to organic waste gas purification processing system, including waste gas collecting chamber, filter chamber, absorption desorption tower, the catalytic combustion furnace and the first fan that loop through the pipe connection, be provided with the heat accumulation portion in the catalytic combustion furnace, the heat accumulation portion with the absorption desorption tower passes through the pipe connection, the heat accumulation portion with be provided with the second fan between the absorption desorption tower. Compared with the prior art, the utility model discloses a set up filter chamber, absorption desorption tower and catalytic combustion furnace, carry out purification treatment to organic waste gas effectively, in addition, through set up the heat accumulation portion in catalytic combustion chamber, store the produced heat of catalytic combustion chamber heating and combustion gas, then supply the absorption desorption tower to heat up the desorption again, improved the utilization ratio of energy widely, reduce the pollution to the environment.

Description

An organic waste gas purification and treatment system

technical field

The utility model belongs to the technical field of waste gas treatment, in particular to an organic waste gas purification and treatment system.

Background technique

Organic waste gas treatment refers to the treatment of adsorption, filtration and purification of organic waste gas generated in the industrial production process. Organic waste gas generally contains hydrocarbon compounds, benzene and benzene series, alcohols, ketones, phenols, aldehydes, esters, amines, nitriles, cyanogens, and the like. Organic waste gas is generally flammable, explosive, toxic and harmful, insoluble in water, soluble in organic solvents, and difficult to handle.

At present, the treatment of organic waste gas mainly includes activated carbon adsorption treatment method, catalytic combustion method, catalytic oxidation method, acid-base neutralization method, and plasma method. Among them, the catalytic combustion method is also called flameless combustion, which is essentially a catalytic oxidation reaction. By using the corresponding catalyst, the organic components are combined with oxygen at a temperature below the ignition point to generate non-toxic carbon dioxide and water, thereby achieve the purpose of purification. However, the waste gas of this method is directly discharged into the atmosphere after treatment, the heat generated by the combustion of organic waste gas is not effectively utilized, and a lot of resources are wasted. In addition, the discharge of a large amount of gas with reaction heat into the atmosphere will also cause environmental damage. impact, and did not achieve a better governance effect.

Therefore, it is necessary to make reasonable improvements to the above-mentioned prior art to meet the actual needs.

Utility model content

The purpose of this utility model is: aiming at the deficiencies of the prior art, a kind of organic waste gas purification and treatment system is provided, which can effectively purify the organic waste gas through the system, and at the same time, can effectively carry out the heat in the catalytic combustion furnace. Use, improve the utilization rate of energy.

To achieve the above object, the utility model adopts the following technical solutions:

An organic waste gas purification and treatment system, comprising a waste gas collection chamber, a filter chamber, an adsorption and desorption tower, a catalytic combustion furnace and a first fan connected in sequence through pipelines, wherein a heat storage part is arranged in the catalytic combustion furnace, and the heat storage The heat storage part and the adsorption and desorption tower are connected by pipelines, and a second fan is arranged between the heat storage part and the adsorption and desorption tower.

Among them, the waste gas collection chamber is mainly used to collect the organic waste gas generated by the factory. By collecting the waste gas, the purpose of efficient treatment is achieved and the cost of treatment is saved; Preliminary filtration of particles, etc.; adsorption and desorption towers are used to adsorb some organic soluble gases in the exhaust gas; catalytic combustion furnaces are used to catalyze the decomposition of insoluble substances, which are converted into carbon dioxide and water under the action of the burner. The effect of purification; and by setting a heat storage part, part of the heat during combustion is stored, and then supplied to the desorption process of the adsorption and desorption tower, which realizes the effective use of heat.

As an improvement to the organic waste gas purification and treatment system described in the present utility model, a paint mist processor and a filter are sequentially arranged in the inner layer of the filter chamber. The paint mist processor is used to remove paint mist, water mist, oil mist and other mists in the exhaust gas, and the filter is used to remove the dust particles in the exhaust gas.

As an improvement to the organic waste gas purification and treatment system described in the present invention, the filter includes at least one layer of filter cotton, filter cloth or stainless steel mesh.

As an improvement to the organic waste gas purification and treatment system described in the present utility model, activated carbon fibers are arranged in the adsorption and desorption tower.

As an improvement to the organic waste gas purification and treatment system described in the present utility model, the catalytic combustion furnace includes a catalyst placement chamber and a combustion chamber, the catalyst placement chamber is communicated with the combustion chamber, and the combustion chamber is provided with a burner, so The heat storage unit is provided in the combustion chamber. The heat storage part can store the heat generated by the gas in the combustion process and the heat when the burner is heated. When the adsorption and desorption tower is desorbed, this part of the heat can be transported to the adsorption and desorption tower through the second fan , to supply energy for the desorption process and realize the effective use of energy.

As an improvement to the organic waste gas purification and treatment system described in the present utility model, a feeding port is provided on the top of the catalyst placement chamber, and the feeding port is used to replace the catalyst.

As an improvement to the organic waste gas purification and treatment system described in the present utility model, the feeding port is an inverted conical structure. Setting the feeding port into an inverted conical structure can facilitate feeding and reduce the difficulty of feeding.

As an improvement to the organic waste gas purification and treatment system described in the present utility model, a catalyst recovery port is provided at the bottom of the catalyst placement chamber. The catalyst recovery port is provided, which can facilitate the recovery of the catalyst from the catalytic combustion furnace and improve the utilization rate of the catalyst.

As an improvement to the organic waste gas purification and treatment system described in the present invention, a flame retardant is also provided between the heat storage part and the second fan. Setting the flame retardant can prevent the hidden danger caused by the overheating of the heat storage part and improve the safety of the production process.

As an improvement to the organic waste gas purification and treatment system described in the present utility model, a condenser is further provided between the outlet end of the catalytic combustion furnace and the first fan. Adding a condenser can reduce the temperature of the exhaust gas and reduce the impact on the environment.

The beneficial effect of the utility model is: compared with the prior art, the utility model can effectively purify the organic waste gas by arranging a filter chamber, an adsorption and desorption tower and a catalytic combustion furnace. The hot part stores the heat generated by the heating of the catalytic combustion chamber and the combustion gas, and then supplies it to the adsorption and desorption tower for heating and desorption, which greatly improves the utilization rate of energy and reduces the pollution to the environment.

Description of drawings

The accompanying drawings described here are used to provide a further understanding of the present utility model and constitute a part of the present utility model. The schematic embodiments of the present utility model and their descriptions are used to explain the present utility model and do not constitute an improper limitation to the present utility model. . In the attached image:

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

Among them, 1-exhaust gas collection chamber; 2-filter chamber; 3-adsorption and desorption tower; 4-catalytic combustion furnace; 5-first fan; 6-second fan; 7-fire retardant; 8-condenser; 21 -paint mist processor; 22-filter; 41-regenerator; 42-catalyst placement chamber; 43-combustion chamber; 421-feeding port; 422-catalyst recovery port; 431-burner.

Detailed ways

As used in the specification and claims, certain terms are used to refer to particular components. It should be understood by those skilled in the art that hardware manufacturers may refer to the same component by different nouns. The description and claims do not use the difference in name as a way to distinguish components, but use the difference in function of the components as a criterion for distinguishing. As mentioned in the entire specification and claims, "comprising" is an open-ended term, so it should be interpreted as "including but not limited to". "Approximately" means that within an acceptable error range, those skilled in the art can solve the technical problem within a certain error range, and basically achieve the technical effect.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the terms "upper", "lower", "front", "rear", "left", "right", horizontal" etc. The orientation or positional relationship shown in the figures is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as Limitations of the present invention.

In the present utility model, unless otherwise expressly specified and limited, the terms "installation", "connection", "connection", "fixed" and other terms should be understood in a broad sense, for example, it may be a fixed connection or a detachable connection Connection, or integral connection; can be mechanical connection, can also be electrical connection; can be directly connected, can also be indirectly connected through an intermediate medium, can be internal communication between two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

The present utility model will be further described in detail below in conjunction with the accompanying drawings, but it is not intended to limit the present utility model.

As shown in FIG. 1, an organic waste gas purification and treatment system includes a waste gas collection chamber 1, a filter chamber 2, an adsorption and desorption tower 3, a catalytic combustion furnace 4 and a first fan 5, which are sequentially connected by pipelines. A heat storage part 41 is provided, the heat storage part 41 and the adsorption and desorption tower 3 are connected by pipes, and a second fan 6 is provided between the heat storage part 41 and the adsorption and desorption tower 3 .

Among them, the waste gas collection chamber 1 is mainly used to collect the organic waste gas produced by the factory. By collecting the waste gas, the purpose of centralized and efficient treatment is achieved, and the cost of treatment is saved; the filter chamber 2 is composed of a paint mist processor 21 and a filter 22. The mist particles in the exhaust gas are treated by the paint mist processor 21 and the dust particles are treated by the filter 22 to achieve the effect of pretreatment; the adsorption and desorption tower 3 is provided with activated carbon fibers for adsorbing part of the organic matter in the exhaust gas. Soluble gas; the catalytic combustion furnace 4 is used to catalyze the decomposition of insoluble substances, and convert them into carbon dioxide and water under the action of the burner 431 to achieve the effect of purification; The heat is stored and then supplied to the adsorption and desorption tower 3 in the desorption process, thereby realizing the effective utilization of the heat.

Preferably, the filter 22 includes at least one layer of filter cotton, filter cloth or stainless steel mesh. The filter 22 mainly plays the role of filtration, therefore, different filter layers can be selected according to actual filtration requirements, such as a mixed layer of filter cotton and filter cloth, a mixed layer of filter cotton and stainless steel mesh, and the like.

Preferably, the catalytic combustion furnace 4 includes a catalyst placement chamber 42 and a combustion chamber 43 , the catalyst placement chamber 42 communicates with the combustion chamber 43 , the combustion chamber 43 is provided with a burner 431 , and the heat storage portion 41 is provided in the combustion chamber 43 . The heat storage part 41 can store the heat generated by the gas in the combustion process and the heat when the burner 431 is heated. When the adsorption and desorption tower 3 is desorbed, this part of the heat can be transferred to the adsorption and desorption tower 3 through the second fan 6. In the desorption tower 3, energy is supplied for the desorption process to realize the effective utilization of energy.

Preferably, the top of the catalyst placement chamber 42 is provided with a feeding port 421, and the feeding port 421 is used to replace the catalyst, and for the convenience of feeding, the feeding port 421 is set as an inverted conical structure.

Preferably, a catalyst recovery port 422 is provided at the bottom of the catalyst placement chamber 42 . The catalyst recovery port 422 is provided to facilitate recovery of the catalyst from the catalytic combustion furnace 4, thereby improving the utilization rate of the catalyst.

Preferably, a flame retardant 7 is further provided between the heat storage portion 41 and the second fan 6 . The installation of the flame retardant 7 can prevent the potential safety hazard caused by the overheating of the heat storage part 41 and improve the safety of the production process.

Preferably, a condenser 8 is further provided between the outlet end of the catalytic combustion furnace 4 and the first fan 5 . The addition of the condenser 8 can reduce the temperature of the exhaust gas and reduce the impact on the environment.

The above description shows and describes several preferred embodiments of the present invention, but as mentioned above, it should be understood that the present invention is not limited to the form disclosed herein, and should not be regarded as the exclusion of other embodiments, but the available Various other combinations, modifications and environments, and can be modified from the above teachings or skill or knowledge in the relevant field, within the scope of the inventive concept described herein. However, modifications and changes made by those skilled in the art do not depart from the spirit and scope of the present invention, and should all fall within the protection scope of the appended claims of the present invention.

Claims (10)

1. An organic waste gas purification treatment system, characterized in that: the device comprises a waste gas collecting chamber (1), a filtering chamber (2), an adsorption and desorption tower (3), a catalytic combustion furnace (4) and a first fan (5) which are sequentially connected through a pipeline, wherein a heat storage part (41) is arranged in the catalytic combustion furnace (4), the heat storage part (41) is connected with the adsorption and desorption tower (3) through the pipeline, and a second fan (6) is arranged between the heat storage part (41) and the adsorption and desorption tower (3).

2. The organic exhaust gas purification treatment system according to claim 1, wherein: the inner layer of the filter chamber (2) is sequentially provided with a paint mist processor (21) and a filter (22).

3. The organic exhaust gas purification treatment system according to claim 2, characterized in that: the filter (22) comprises at least one layer of filter cotton, filter cloth or stainless steel material net.

4. The organic exhaust gas purification treatment system according to claim 1, wherein: and the adsorption and desorption tower (3) is internally provided with activated carbon fibers.

5. The organic exhaust gas purification treatment system according to claim 1, wherein: the catalytic combustion furnace (4) comprises a catalyst placing chamber (42) and a combustion chamber (43), the catalyst placing chamber (42) is communicated with the combustion chamber (43), the combustion chamber (43) is provided with a burner (431), and the heat storage part (41) is arranged in the combustion chamber (43).

6. The organic waste gas purification treatment system according to claim 5, characterized in that: the top of the catalyst placing chamber (42) is provided with a feed port (421), and the feed port (421) is used for replacing the catalyst.

7. The organic waste gas purification treatment system according to claim 6, characterized in that: the feeding port (421) is of an inverted cone structure.

8. The organic waste gas purification treatment system according to claim 6, characterized in that: the bottom of the catalyst placing chamber (42) is provided with a catalyst recovery port (422).

9. The organic exhaust gas purification treatment system according to claim 1, wherein: a flame retardant device (7) is further arranged between the heat accumulation part (41) and the second fan (6).

10. The organic exhaust gas purification treatment system according to claim 1, wherein: a condenser (8) is also arranged between the outlet end of the catalytic combustion furnace (4) and the first fan (5).

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