CN217042021U

CN217042021U - Maltol tail gas treatment device

Info

Publication number: CN217042021U
Application number: CN202121174334.2U
Authority: CN
Inventors: 许峰; 冯娟; 覃建刚; 杜红军; 周宝龙
Original assignee: Shaanxi Teamhan Biological Technology Co ltd
Current assignee: Shaanxi Teamhan Biological Technology Co ltd
Priority date: 2021-05-28
Filing date: 2021-05-28
Publication date: 2022-07-26
Anticipated expiration: 2031-05-28

Abstract

The utility model relates to a maltol production field, concretely relates to maltol tail gas processing apparatus. First cavity one end is equipped with the intake pipe, and the other end is equipped with the outlet duct, the top is equipped with a plurality of shower heads in the first cavity, still is equipped with first hang plate, second hang plate and third hang plate in the first cavity, first hang plate sets up bottom in first cavity, the utility model discloses simple structure sprays alkali lye through a plurality of shower head in the first cavity of setting, can generate the reactant after the reaction of partial material in alkali lye and the tail gas, and its reactant falls and conveniently collects in getting into the collecting box behind the first hang plate of below, prevents that the reactant from piling up, and the second hang plate and the third hang plate of its setting can increase the contact time of alkali lye and tail gas to improve reaction efficiency.

Description

Maltol tail gas treatment device

Technical Field

The utility model relates to a maltol production field, concretely relates to maltol tail gas processing apparatus.

Background

In the production process of maltol, the generated tail gas (benzene, toluene, xylene, methanol, hydrogen chloride, ethanol and the like) can be discharged after purification, but the treatment efficiency of the device or system adopted in the existing discharge process on the generated tail gas is not high, and the specified discharge standard cannot be met, so that the environment is polluted.

SUMMERY OF THE UTILITY MODEL

To the problem mentioned in the prior art, the utility model provides a can improve tail gas treatment efficiency and through purifying effect's maltol tail gas processing apparatus when producing maltol.

The utility model discloses maltol tail gas processing apparatus, including first cavity and second cavity with each other, first cavity one end is equipped with the intake pipe, and the other end is equipped with the outlet duct, the top is equipped with a plurality of shower heads in the first cavity, still is equipped with first hang plate, second hang plate and third hang plate in the first cavity, first hang plate sets up the bottom in the first cavity, and first hang plate links to each other with the collecting box of establishing outside the first cavity, second hang plate and third hang plate fixed set up at the first cavity inner wall, and its second hang plate inclines towards being equipped with the shower head direction, and the third hang plate inclines towards first hang plate direction; be equipped with the blast pipe on the second cavity, be equipped with the photolysis adsorption equipment in the second cavity, the photolysis adsorption equipment includes UV fluorescent tube, catalyst board and the adsorption equipment who sets gradually from a left side to the right side, UV fluorescent tube both ends are inserted respectively in briquetting and the briquetting down, go up the briquetting and fix the upper end and the lower extreme at the second cavity inner wall respectively with briquetting down, adsorption equipment includes activated carbon fiber adsorbed layer, and activated carbon fiber adsorbed layer both ends respectively with the upper and lower end fixed connection of second cavity inner wall.

Preferably, the number of the UV lamp tubes is set to be multiple, and the number of the adsorption devices is set to be multiple.

Preferably, the spray header is connected with an alkaline liquid tank arranged outside the first cavity, and the alkaline liquid tank and the spray header are also provided with a water pump.

Preferably, the first chamber is connected with the second chamber through an air outlet pipe.

Preferably, the air outlet device further comprises an exhaust fan, and the exhaust fan is arranged on the air outlet pipe.

Preferably, the catalyst plate is uniformly provided with a titanium dioxide photocatalyst.

Compared with the prior art, the utility model, following technological effect has been gained:

the utility model has simple structure, the alkali liquor is sprayed in the first chamber through a plurality of spray heads, the alkali liquor can generate reactant after reacting with partial material in the tail gas, the reactant falls into the first inclined plate below and then enters the collecting box for convenient collection, the reactant is prevented from being accumulated, the second inclined plate and the third inclined plate can increase the contact time of the alkali liquor and the tail gas, thereby improving the reaction efficiency; can carry out the two-stage of photolysis and absorption to tail gas in the second cavity and handle to further promote purifying effect.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic structural view of a first chamber of the present invention;

fig. 3 is a schematic structural view of the second chamber of the present invention.

Reference numerals are as follows: 1. a first chamber; 2. an air inlet pipe; 3. a collection box; 4. an air outlet pipe; 5. a second chamber; 6. an exhaust pipe; 7. a first inclined plate; 8. a shower head; 9. a third inclined plate; 10. a second inclined plate; 11. a UV lamp tube; 12. pressing the blocks; 13. a catalyst plate; 14. an activated carbon fiber adsorption layer; 15. and (7) pressing the blocks.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

The utility model discloses maltol tail gas processing apparatus, including first cavity 1 and second cavity 5 with linking to each other, 1 one end of first cavity is equipped with intake pipe 2, and the other end is equipped with outlet duct 4, the top is equipped with a plurality of shower heads 8 in the first cavity 1, still is equipped with first hang plate 7, second hang plate 10 and third hang plate 9 in the first cavity 1, first hang plate 7 sets up the bottom in first cavity 1, and first hang plate 7 links to each other with the collecting box 3 of establishing outside first cavity 1, second hang plate 10 and third hang plate 9 are fixed to be set up at first cavity 1 inner wall, and its second hang plate 10 inclines towards being equipped with shower head 8 direction, and third hang plate 9 inclines towards first hang plate 7 direction; be equipped with blast pipe 6 on the second cavity 5, be equipped with the light desorption device in the second cavity 5, the light desorption device includes UV fluorescent tube 11, catalyst board 13 and the adsorption equipment who sets gradually from a left side to the right side, UV fluorescent tube 11 both ends are inserted respectively in briquetting 12 and the briquetting down, go up briquetting 12 and the briquetting is fixed respectively in the upper end and the lower extreme of 5 inner walls of second cavity with lower briquetting, adsorption equipment includes activated carbon fiber adsorbed

layer

14, and 14 both ends of activated carbon fiber adsorbed layer respectively with the upper and lower end fixed connection of 5 inner walls of second cavity. The number of the UV lamp tubes 11 is set to be a plurality, and the number of the adsorption devices is set to be a plurality. The spray header 8 is connected with an alkaline liquid tank arranged outside the first chamber 1, and the alkaline liquid tank and the spray header 8 are also provided with a water pump. The first chamber 1 is connected with the second chamber 5 through an air outlet pipe 4. Still include the air exhauster, the air exhauster setting is on outlet duct 4. And titanium dioxide photocatalysts are uniformly arranged on the catalyst plate 13.

The utility model discloses in the time of using tail gas in the maltol production gets into first cavity 1 through intake pipe 2, the alkali lye is extracted from the lye tank to the water pump simultaneously, lye sprays in first cavity 1 through shower head 8, its tail gas contacts with lye, the time that tail gas dwells in first cavity 1 can be prolonged to the second hang plate 10 and the third hang plate 9 that set up, make tail gas and alkali lye fully contact, acid gas can take place neutralization reaction with alkali lye in the tail gas after, reaction product falls to first cavity 1 bottom, through the first hang plate 7 landing of setting to collecting box 3, conveniently collect and prevent piling up, under the effect of air exhauster, tail gas can get into in second cavity 5 through outlet duct 4; the tail gas can be photolyzed and purified through the cooperation of the UV lamp tube 11 (ultraviolet lamp tube) and the catalytic board in the second chamber 5, so that partial substances in the tail gas are converted into carbon dioxide, water and other harmless substances, and finally, the tail gas is subjected to adsorptive purification through the activated carbon fiber adsorption layer 14 and is discharged from the exhaust pipe 6.

Claims

1. The maltol tail gas treatment device comprises a first chamber (1) and a second chamber (5) which are connected, it is characterized in that one end of the first chamber (1) is provided with an air inlet pipe (2), the other end is provided with an air outlet pipe (4), a plurality of spray headers (8) are arranged at the top in the first chamber (1), a first inclined plate (7), a second inclined plate (10) and a third inclined plate (9) are also arranged in the first chamber (1), the first inclined plate (7) is arranged at the bottom in the first chamber (1), and the first inclined plate (7) is connected with a collecting box (3) arranged outside the first chamber (1), the second inclined plate (10) and the third inclined plate (9) are fixedly arranged on the inner wall of the first chamber (1), the second inclined plate (10) inclines towards the direction of the spray header (8), and the third inclined plate (9) inclines towards the first inclined plate (7); be equipped with blast pipe (6) on second cavity (5), be equipped with the light desorption device in second cavity (5), the light desorption device is including UV fluorescent tube (11), catalyst board (13) and the adsorption equipment who sets gradually from a left side to the right side, UV fluorescent tube (11) both ends are inserted respectively in briquetting (12) and the briquetting down, go up briquetting (12) and the briquetting is fixed respectively in the upper end and the lower extreme of second cavity (5) inner wall down, adsorption equipment includes activated carbon fiber adsorbed layer (14), and activated carbon fiber adsorbed layer (14) both ends respectively with the upper and lower end fixed connection of second cavity (5) inner wall.

2. The maltol-off-gas treatment device according to claim 1, wherein the number of the UV lamps (11) is set to be plural, and the number of the adsorption devices is set to be plural.

3. Maltol tail gas treatment device according to claim 1, wherein the spray header (8) is connected with an alkaline liquid tank arranged outside the first chamber (1), and the alkaline liquid tank and the spray header (8) are further provided with a water pump.

4. The maltol off-gas treatment device according to claim 1, wherein the first chamber (1) and the second chamber (5) are connected by an outlet pipe (4).

5. The maltol tail gas treatment device according to claim 4, further comprising an exhaust fan, wherein the exhaust fan is arranged on the air outlet pipe (4).

6. The maltol tail gas treatment device according to claim 1, wherein the catalyst plate (13) is uniformly provided with a titanium dioxide photocatalyst.