CN218937088U

CN218937088U - VOCs waste gas high-efficiency treatment system

Info

Publication number: CN218937088U
Application number: CN202222642331.8U
Authority: CN
Inventors: 刘孟坊; 杨杰; 张安闽; 张伟; 钟应生; 孟院生
Original assignee: Jinyoung Xiamen Advanced Materials Technology Co Ltd
Current assignee: Jinyoung Xiamen Advanced Materials Technology Co Ltd
Priority date: 2022-10-09
Filing date: 2022-10-09
Publication date: 2023-04-28
Anticipated expiration: 2032-10-09

Abstract

The utility model belongs to the technical field of waste gas treatment, and particularly discloses a VOCs waste gas efficient treatment system which comprises a wet curtain cooling system, an activated carbon box and a tail gas emission system, wherein the wet curtain cooling system comprises a wet curtain box, a water circulation system and a submersible pump, the wet curtain box comprises a frame and a wet curtain body, a sunshade is arranged above the activated carbon box, the tail gas emission system comprises an emission chimney and a fan, and the fan is arranged below the chimney. The utility model improves the adsorption effect and the service life of the activated carbon box by increasing the humidifying curtain cooling system, improves the air circulation efficiency of workshops by increasing the air output of the tail gas emission system, and improves the emission effect by increasing the height of a chimney.

Description

VOCs waste gas high-efficiency treatment system

Technical Field

The utility model belongs to the technical field of waste gas treatment, and particularly relates to a VOCs waste gas efficient treatment system.

Background

VOCs (volatile organic compounds) are various organic compounds with boiling points of 50-260 ℃ at normal temperature, and are generally classified into non-methane hydrocarbons (NMHCs for short), oxygen-containing organic compounds, halogenated hydrocarbons, nitrogen-containing organic compounds, sulfur-containing organic compounds and the like, and are mainly produced in petrochemical industry, automobile manufacturing and other industries.

The existing VOCs (volatile organic compounds) waste gas treatment system for production workshops has the following defects: waste gas, dust and the like in the production directly enter an activated carbon adsorption box, so that activated carbon adsorption is saturated in advance and adsorption capacity is lost; the activity of the activated carbon waste gas treatment equipment is affected by the excessive temperature in the adsorption bed, so that the carbon adsorption capacity is reduced; meanwhile, before VOCs waste gas enters the activated carbon adsorption box, the temperature is too high and exceeds the working environment temperature (below 40 ℃) of the activated carbon, so that the adsorption capacity of the activated carbon can be reduced; in addition, the exhaust chimney of the existing exhaust gas treatment system is driven by no fan power, only the rear end fan is used for pushing wind power, so that the exhaust gas emission speed is reduced, the air circulation efficiency of a workshop is reduced, the height of the exhaust chimney is insufficient, and the exhaust standard height of the exhaust chimney is violated in environmental protection regulations.

Therefore, it is very necessary to develop a high-efficiency treatment system for VOCs waste gas, which can improve the adsorption effect and the service life of the activated carbon box.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art and provide a VOCs waste gas high-efficiency treatment system, which improves the adsorption effect and the service life of an active carbon box by increasing a humidifying curtain and cooling system, improves the air circulation efficiency of a workshop by increasing the air output of a tail gas emission system, and improves the emission effect by increasing the height of a chimney.

In order to achieve the above purpose, the technical scheme adopted by the utility model for solving the technical problems is as follows: the utility model provides a VOCs waste gas high-efficient processing system, includes wet curtain cooling system, activated carbon case, exhaust emission system, wet curtain cooling system includes wet curtain case, water pump, wet curtain case includes frame and wet curtain body, activated carbon case top sets up the sunshade, exhaust emission system includes emission chimney and fan, the fan sets up in the chimney below.

The purpose of setting up the sunshade is in order to shelter from the sun, makes the active carbon can not be by sunlight insolatedly, avoids the active carbon because of high temperature, reduces adsorption capacity.

In a preferred embodiment of the present utility model, the water circulation system includes a water supply pipe connecting the submersible pump and the wet curtain tank and a water discharge pipe connecting the wet curtain tank and the sewage tank. The wastewater is directly discharged into a sewage pool.

In a preferred embodiment of the present utility model, the wet curtain box is provided with a water inlet, a water outlet, an air inlet and an air outlet, the water inlet is connected with a water supply pipe, and the water outlet is connected with a water discharge pipe.

In a preferred embodiment of the utility model, the frame adopts an engineering high-quality aluminum alloy frame matched with the wet curtain, and the frame has the characteristics of attractive and elegant appearance, high strength, difficult deformation, economy, applicability and the like, and the unique honeycomb structure solves the problems of blockage and winter heat preservation of the wet curtain in use.

In a preferred embodiment of the present utility model, the wet curtain body is a high wet strength honeycomb body made by bonding a polymer material and glue and then rolling and bonding.

In a preferred embodiment of the utility model, the fan is an axial flow fan, and the fan power is 34-40KW.

In a preferred embodiment of the utility model, the height of the exhaust stack is 12-18m.

In a preferred embodiment of the utility model, the wet curtain water supply adopts domestic 0.75KW, three-phase electricity and flow rate of 5m ³ And/h, supplying water for the wet curtain.

VOCs waste gas gets into wet curtain case after, earlier through wet curtain body, in reentrant active carbon case after exhaust temperature reduces, again after the active carbon absorption, tail gas is extracted through the fan and is got into emission chimney and discharge.

The wet curtain cooling system utilizes the evaporation cooling principle of water to achieve the cooling purpose, the purpose-made water wet curtain can ensure that water uniformly wets the whole cooling wet curtain wall, and when VOCs waste gas passes through the wet curtain medium, the wet curtain cooling system exchanges heat with water vapor on the surface of the wet medium to achieve humidification and cooling of the VOCs waste gas.

Compared with the background technology, the technical proposal of the utility model has the following advantages:

1. according to the VOCs waste gas treatment system, before waste gas enters the activated carbon adsorption box, the temperature of the waste gas is reduced through the wet curtain box, so that the adsorption effect and the service life of the activated carbon box can be greatly improved;

2. the air outlet quantity is increased by additionally arranging the 34-40KW fan on the exhaust chimney, so that the air circulation efficiency of a workshop is improved, the air quality of the workshop is improved, the working environment is improved, and the job departure rate of personnel is reduced;

3. the height of the chimney is increased to 12-18m, so that the emission effect is improved, and the chimney meets the environmental protection requirement.

Drawings

The utility model is further described below with reference to the drawings and examples.

Figure 1 is a schematic overall view of an embodiment of the present utility model,

in the figure: the system comprises a 1-wet curtain cooling system, a 2-activated carbon box, a 3-tail gas emission system, a 1-1-wet curtain box, a 1-1-1-frame, a 1-1-2-wet curtain body, a 1-1-3-water inlet, a 1-1-4-water outlet, a 1-1-5-air inlet, a 1-1-6-air outlet, a 1-2-1-water supply pipe, a 1-2-2-water discharge pipe, a 3-1 discharge chimney, a 3-2 fan, a 4-sunshade and a 5-sewage pool;

figure 2 is a schematic perspective view of a wet curtain cooling system according to an embodiment of the present utility model,

in the figure: 1-1-wet curtain box, 1-1-1-frame and 1-1-2-wet curtain body, 1-1-3-water inlet, 1-1-4-water outlet, 1-2-1-water supply pipe, 1-2-2-water discharge pipe.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the present utility model more apparent, the technical solutions of the present utility model will be further described below with reference to the accompanying drawings and examples, and the present embodiment may have various forms and should not be construed as being limited to the descriptions set forth herein. Like reference numerals refer to like elements throughout, and like reference numerals refer to like elements.

In the description of the present utility model, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "transverse", "vertical", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the perspective view in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

As shown in FIG. 1, the VOCs waste gas high-efficiency treatment system comprises a wet curtain cooling system 1, an activated carbon box 2 and a tail gas emission system 3, wherein the wet curtain cooling system 1 comprises a wet curtain box 1-1 and a water supply and drainage system 1-2, the wet curtain box 1-1 comprises a frame 1-1-1 and a wet curtain body 1-1-2, a sunshade 4 is arranged above the activated carbon box 2, the tail gas emission system 3 comprises emission chimneys 3-1 and 3-2 fans, and the fans 3-2 are arranged below the chimneys 3-1.

The water supply and drainage system 1-2 comprises a water supply pipe 1-2-1 and a drainage pipe 1-2-2, wherein the water supply pipe 1-2-1 is connected with the wet curtain box 1-1, and the drainage pipe 1-2-2 is connected with the wet curtain box 1-1 and the sewage pool 5.

The wet curtain box 1-1 is provided with a water inlet 1-1-3 and a water outlet 1-1-4, the water inlet 1-1-3 is connected with a water supply pipe 1-2-1, and the water outlet 1-1-4 is connected with a water discharge pipe 1-2-2.

The frame 1-1-1 in the wet curtain box 1-1 adopts the engineering high-quality aluminum alloy frame 1-1-1 matched with the wet curtain body 1-1-2, and the frame 1-1-1 has the characteristics of attractive and elegant appearance, high strength, difficult deformation, economy, applicability and the like, and solves the problems of blockage in the use of the wet curtain and heat preservation in winter.

The wet curtain body 1-1-2 is a high wet strength honeycomb body which is manufactured by rolling and bonding after bonding treatment of high polymer materials and glue.

The fan 3-2 is an axial flow fan, and the fan power is 34-40KW.

The height of the exhaust stack 3-1 is 12-18m.

The wet curtain 1-1-2 adopts domestic 0.75KW, three-phase electricity and flow 5m for water supply ³ And/h, supplying water for the wet curtain.

VOCs waste gas enters the wet curtain box 1-1 through the air inlet 1-1-5, firstly passes through the wet curtain body 1-1-2, the wet curtain body 1-1-2 ensures that water uniformly wets the whole cooling wet curtain wall, and when the VOCs waste gas passes through the medium of the wet curtain body 1-1-2, the VOCs waste gas exchanges heat with water vapor on the surface of the wet medium, so that the humidification and cooling of the VOCs waste gas are realized; and then the cooled VOCs waste gas enters an activated carbon box 2, and after being adsorbed by activated carbon, the tail gas is extracted by a fan 3-2 and is discharged into the atmosphere through a discharge chimney 3-1.

The foregoing description is only illustrative of the preferred embodiments of the present utility model, and therefore should not be taken as limiting the scope of the utility model, for all changes and modifications that come within the meaning and range of equivalency of the claims and specification are therefore intended to be embraced therein.

Claims

1. The utility model provides a VOCs waste gas high-efficient processing system, its characterized in that, including wet curtain cooling system, active carbon case, exhaust emission system, wet curtain cooling system includes wet curtain case, water circulation system, immersible pump, wet curtain case includes frame and wet curtain body, the active carbon case top sets up the sunshade, exhaust emission system is including discharging chimney and fan, the fan sets up in the chimney below.

2. The VOCs flue gas efficient treatment system according to claim 1 wherein the water circulation system comprises a water supply pipe and a water drain pipe, the water supply pipe connecting the submersible pump and the wet curtain tank, the water drain pipe connecting the wet curtain tank and the sewage tank.

3. The VOCs flue gas efficient treatment system according to claim 2 wherein said wet curtain box is provided with a water inlet, a water outlet, an air inlet and an air outlet, said water inlet being connected to a water supply pipe and said water outlet being connected to a water drain pipe.

4. The VOCs flue gas efficient treatment system according to claim 1 wherein said frame is an aluminum alloy frame.

5. The efficient VOCs waste gas treatment system as claimed in claim 1, wherein the wet curtain body is a honeycomb body made by rolling and bonding after bonding treatment of high polymer material and glue.

6. The efficient voc exhaust gas treatment system of claim 1 wherein the fan is an axial flow fan with a fan power of 34-40KW.

7. The VOCs flue gas efficient treatment system according to claim 1 wherein the exhaust stack height is 12-18m.

8. The efficient treatment system for VOCs waste gas as claimed in claim 1, wherein said wet curtain water supply adopts domestic 0.75KW, three-phase electricity and flow rate 5m ³ /h。