CN216136985U

CN216136985U - Combined organic waste gas purification system

Info

Publication number: CN216136985U
Application number: CN202121391063.6U
Authority: CN
Inventors: 席海啸
Original assignee: Jiangsu Zhongcheng Environmental Protection Technology Co ltd
Current assignee: Jiangsu Zhongcheng Environmental Protection Technology Co ltd
Priority date: 2021-06-22
Filing date: 2021-06-22
Publication date: 2022-03-29
Anticipated expiration: 2031-06-22

Abstract

The utility model discloses a combined organic waste gas purification system, and relates to the technical field of organic waste gas treatment. The utility model comprises an exhaust fan, an organic waste gas treatment mechanism and a tail gas discharge mechanism which are sequentially communicated; the organic waste gas treatment mechanism comprises a shell, an air inlet and an air outlet are respectively arranged at two ends of the shell, and a primary effect dry filter, a UV photo-oxidation catalytic device and a waste gas adsorption device which are communicated with each other are sequentially arranged in the shell between the air inlet and the air outlet; the air inlet end of the primary dry filter is communicated with the air inlet, and the air outlet end of the waste gas adsorption device is communicated with the air outlet; the air outlet is also communicated with a tail gas discharge mechanism. According to the utility model, the generated organic waste gas is sequentially subjected to primary filtration to remove a small amount of entrained particles, then the organic waste gas is decomposed and purified by the UV photo-oxygen catalytic device, and the decomposed waste gas is further adsorbed by activated carbon and then discharged, so that the treatment effect on the organic waste gas is improved, and secondary pollution caused by incomplete discharge in treatment is avoided.

Description

Combined organic waste gas purification system

Technical Field

The utility model belongs to the technical field of organic waste gas treatment, and particularly relates to a combined organic waste gas purification system.

Background

The organic waste gas refers to various hydrocarbon-containing compounds such as hydrocarbon, alcohol, ketone, aldehyde, ester, amine and the like discharged from the industries such as petrochemical industry, coating production, gravure printing, bonding and the like. After the organic waste gas is discharged into the atmosphere, the organic waste gas is easy to generate harmful substances through a series of reactions, the harmful substances are easy to accumulate in organisms and further harm the health of people eating the organisms, and the organic waste gas is easy to explode when meeting high temperature after being mixed with air, so that the organic waste gas can be discharged after being treated by organic waste gas treatment equipment.

The existing equipment for treating the organic waste gas is divided into single treatment process equipment, and the single treatment process equipment (such as photo-oxidation catalysis, washing, low-temperature ions, activated carbon adsorption and the like) is difficult to treat harmful gases with various components, so that the incomplete treatment effect is poor.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a combined organic waste gas purification system to solve the above problems.

In order to solve the technical problems, the utility model is realized by the following technical scheme:

the utility model relates to a combined organic waste gas purification system, which comprises an exhaust fan, an organic waste gas treatment mechanism and a tail gas discharge mechanism which are sequentially communicated; the organic waste gas treatment mechanism comprises a shell, an air inlet and an air outlet are respectively arranged at two ends of the shell, and a primary dry filter, a UV photo-oxidation catalytic device and a waste gas adsorption device which are communicated with each other are sequentially arranged in the shell between the air inlet and the air outlet; the air inlet end of the primary dry filter is communicated with the air inlet, and the air outlet end of the waste gas adsorption device is communicated with the air outlet; the air inlet is also communicated with an exhaust fan, and the air outlet is also communicated with a tail gas discharge mechanism.

Furthermore, the primary-effect dry filter comprises a bin body, and an air inlet and an air outlet which are communicated with the air inlet and the UV photo-oxygen catalytic device are respectively arranged at two ends of the bin body; primary filter cotton is arranged in the bin body between the air inlet and the air outlet; and a filter screen is also arranged in the bin body between the air inlet and the primary filter cotton.

Further, the primary filter cotton is selected from one of G3 filter cotton, G4 filter cotton or G2 filter cotton.

Further, the photocatalyst adopted by the UV photo-oxygen catalysis device is nano titanium dioxide.

Furthermore, the waste gas adsorption device comprises two porous baffle plates which are arranged in parallel in the shell, and activated carbon adsorption particles are filled in an area formed between the two porous baffle plates.

Furthermore, the activated carbon adsorption particles are prepared by taking high-quality sawdust and coconut shells as raw materials and carrying out crushing, mixing, extruding, forming, drying, carbonizing and activating.

Further, at least one side surface of the porous baffle is lined with medium-effect filter cotton, and the medium-effect filter cotton is one of F6 filter cotton, F7 filter cotton and F8 filter cotton.

Further, the tail gas emission mechanism comprises a chimney, and a rain cover is arranged at the top of the chimney; the top of chimney still is provided with the draught fan, the height of chimney is 15m at least.

Furthermore, a plurality of supporting columns are connected between the top end surface of the chimney and the rain cover; and a flow guide flanging which is turned outwards is arranged at the port of the bottom end of the rain cover.

Furthermore, a horn mouth structure A with an upward wide-mouth end is arranged on the peripheral side wall of the top of the chimney, and a horn mouth structure B with a downward wide-mouth end is arranged on the outer bottom side surface of the horn mouth structure A; and a water outlet is arranged on the horn mouth structure A above the horn mouth structure B, and a water retaining ring is arranged below the water outlet on the inner side wall of the horn mouth structure A.

The utility model has the following beneficial effects:

according to the utility model, the generated organic waste gas is sequentially subjected to primary filtration to remove a small amount of entrained particles, then the organic waste gas is decomposed and purified by the UV photo-oxygen catalytic device, and the decomposed waste gas is further adsorbed by activated carbon and then discharged, so that the treatment effect on the organic waste gas is improved, and secondary pollution caused by incomplete discharge in treatment is avoided; meanwhile, the main pollutants such as Volatile Organic Compounds (VOCs), inorganic matters, hydrogen sulfide, ammonia gas, thiols and the like and various malodorous gases can be efficiently removed through the arrangement of the UV photo-oxygen catalytic device, and the deodorization efficiency can reach more than 90%; the wood activated carbon is prepared by taking high-quality wood as a raw material, taking the shape of the wood as powder, and refining the wood activated carbon through high-temperature carbonization, activation and various processes, and has the characteristics of large specific surface area, high activity, developed micropores, strong decolorizing capacity, large pore structure and the like, and the wood activated carbon has the large pore structure and can adsorb various substances and impurities with larger colors and the like in liquid.

Of course, it is not necessary for any product in which the utility model is practiced to achieve all of the above-described advantages at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic structural diagram of an organic waste gas purification system according to the present invention;

FIG. 2 is a schematic structural diagram of an organic waste gas treatment mechanism according to the present invention;

FIG. 3 is a sectional view of an organic waste gas treatment mechanism according to the present invention;

fig. 4 is a schematic structural diagram of the tail gas discharge mechanism of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "opening," "upper," "lower," "thickness," "top," "middle," "length," "inner," "peripheral," and the like are used in an orientation or positional relationship that is merely for convenience in describing and simplifying the description, and do not indicate or imply that the referenced component or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the present invention.

Referring to fig. 1-4, the present invention is a combined organic waste gas purification system, which comprises an exhaust fan 1, an organic waste gas treatment mechanism 6 and a tail gas discharge mechanism 5, which are sequentially connected; the organic waste gas treatment mechanism 6 comprises a shell 61, an air inlet 611 and an air outlet 612 are respectively arranged at two ends of the shell 61, and a primary dry filter 2, a UV photo-oxidation catalytic device 3 and a waste gas adsorption device 4 which are communicated with each other are sequentially arranged in the shell 61 between the air inlet 611 and the air outlet 612; the air inlet end of the primary dry filter 2 is communicated with the air inlet 611, and the air outlet end of the waste gas adsorption device 4 is communicated with the air outlet 612; the air inlet 611 is also communicated with an exhaust fan 1, and the air outlet 612 is also communicated with a tail gas discharge mechanism 5; the photocatalyst adopted by the UV photo-oxygen catalytic device 3 is nano titanium dioxide.

The primary dry filter 2 comprises a bin body 21, wherein both ends of the bin body 21 are respectively provided with an air inlet 22 and an air outlet 23 which are communicated with an air inlet 611 and the UV photo-oxygen catalytic device 3; a primary filter cotton 24 is arranged in the bin body 21 between the air inlet 22 and the air outlet 23; a filter screen 25 is also arranged in the bin body 21 between the air inlet 22 and the primary filter cotton 24; the primary filter cotton 24 is G4 filter cotton.

The exhaust gas adsorption device 4 comprises two porous baffles 62 arranged in parallel in the shell 61, and an area formed between the two porous baffles 62 is filled with activated carbon adsorption particles 63; the active carbon adsorption particles 63 are prepared by taking high-quality sawdust and coconut shells as raw materials and performing crushing, mixing, extruding, forming, drying, carbonization and activation; at least one side surface of the porous baffle plate 62 is lined with middle-effect filter cotton, and the middle-effect filter cotton is F7 filter cotton.

The tail gas emission mechanism 5 comprises a chimney 51, and a rain cover 52 is arranged at the top of the chimney 51; the top of the chimney 51 is also provided with an induced draft fan 53, and the height of the chimney 51 is 15 m; a plurality of supporting columns 54 are connected between the top end surface of the chimney 51 and the rain cover 52; a flow guide flange 521 which is turned over outwards is arranged at the bottom end port of the rain cover 52; a flared structure A55 with an upward flared end is arranged on the peripheral side wall of the top of the chimney 51, and a flared structure B56 with a downward flared end is arranged on the outer bottom side of the flared structure A55; a water outlet 57 is arranged on the bell mouth structure A55 above the bell mouth structure B56, and a water retaining ring 58 is arranged below the water outlet 57 on the inner side wall of the bell mouth structure A55.

When the device is used, organic waste gas is blown into the organic waste gas treatment mechanism 6 through the air inlet 611 by the exhaust fan 1, is sequentially filtered, catalytically treated and adsorbed by the primary dry filter 2, the UV photo-oxygen catalytic device 3 and the waste gas adsorption device 4, and is then discharged through the top of the chimney 51 under the action of the induced draft fan 53.

Rainwater in rainy days is prevented from entering the chimney 51 through the arrangement of the rain cover 52, and dripping on the induced draft fan 53 in the chimney 51, and treated gas discharged from the port of the chimney 51 flows backwards through the matching arrangement of the bell-mouth structure A55 and the flow guide flanging 521, so that the treated gas can be dispersed in high altitude to prevent the gas from sinking; meanwhile, due to the arrangement of the water outlet 57, the bell-mouth structure B56 and the water retaining ring 58, rainwater can be discharged through the water outlet 57 after falling onto the bell-mouth structure A55 in rainy days, and the rainwater is prevented from being gathered at the bottom of the bell-mouth structure A55 and being enriched.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the utility model disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the utility model to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best utilize the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A modular organic waste gas clean system which characterized in that: comprises an exhaust fan (1), an organic waste gas treatment mechanism (6) and a tail gas discharge mechanism (5) which are communicated in sequence;

the organic waste gas treatment mechanism (6) comprises a shell (61), an air inlet (611) and an air outlet (612) are respectively arranged at two ends of the shell (61), and a primary dry filter (2), a UV photo-oxygen catalytic device (3) and a waste gas adsorption device (4) which are communicated with each other are sequentially arranged in the shell (61) between the air inlet (611) and the air outlet (612);

the air inlet end of the primary dry filter (2) is communicated with the air inlet (611), and the air outlet end of the waste gas adsorption device (4) is communicated with the air outlet (612);

the air inlet (611) is also communicated with an exhaust fan (1), and the air outlet (612) is also communicated with a tail gas discharge mechanism (5).

2. The combined organic waste gas purification system according to claim 1, wherein the primary dry filter (2) comprises a chamber body (21), and both ends of the chamber body (21) are respectively provided with an air inlet (22) and an air outlet (23) which are communicated with the air inlet (611) and the UV photo-oxygen catalytic device (3);

primary filter cotton (24) is arranged in the bin body (21) between the air inlet (22) and the air outlet (23);

a filter screen (25) is arranged in the bin body (21) between the air inlet (22) and the primary filter cotton (24).

3. The combined organic waste gas purification system according to claim 2, wherein the primary filter cotton (24) is selected from one of G3 filter cotton, G4 filter cotton or G2 filter cotton.

4. The combined organic waste gas purification system according to claim 1, wherein the photocatalyst adopted by the UV photo-oxidation catalytic device (3) is nano titanium dioxide.

5. A combined organic exhaust gas purification system according to claim 1, wherein the exhaust gas adsorption device (4) comprises two porous baffle plates (62) arranged in parallel in a housing (61), and the region formed between the two porous baffle plates (62) is filled with activated carbon adsorption particles (63).

6. The combined organic waste gas purification system according to claim 5, wherein at least one side surface of the porous baffle (62) is lined with middle-effect filter cotton, and the middle-effect filter cotton is selected from one of F6 filter cotton, F7 filter cotton and F8 filter cotton.

7. The combined organic waste gas purification system according to claim 1, wherein the tail gas discharge mechanism (5) comprises a chimney (51), and a rain cover (52) is arranged on the top of the chimney (51);

the top of chimney (51) still is provided with draught fan (53), the height of chimney (51) is 15m at least.

8. The combined organic waste gas purification system according to claim 7, wherein a plurality of struts (54) are connected between the top end face of the chimney (51) and the rain cover (52); and a flow guide flanging (521) which is turned outwards is arranged at the port of the bottom end of the rain cover (52).

9. The combined organic waste gas purification system according to claim 7, wherein the top peripheral side wall of the chimney (51) is provided with a bell mouth structure A (55) with a wide-mouth end facing upwards, and the outer bottom side surface of the bell mouth structure A (55) is provided with a bell mouth structure B (56) with a wide-mouth end facing downwards; a water outlet (57) is arranged on the bell mouth structure A (55) above the bell mouth structure B (56), and a water retaining ring (58) is arranged below the water outlet (57) on the inner side wall of the bell mouth structure A (55).