CN210410152U

CN210410152U - Deacidifying reaction tower

Info

Publication number: CN210410152U
Application number: CN201921265661.1U
Authority: CN
Inventors: 陈景波; 郑顺富; 王晓峰
Original assignee: Taizhou Dechang Environmental Protection Co Ltd
Current assignee: Taizhou Dechang Environmental Protection Co Ltd
Priority date: 2019-08-06
Filing date: 2019-08-06
Publication date: 2020-04-28
Anticipated expiration: 2029-08-06

Abstract

The utility model discloses a deacidification reaction tower has the characteristics that the deacidification treatment effect is good, its technical scheme main points are including the tower body, by supreme stock solution district, first spraying area, guiding device, the second spraying area and the absorption filtering area of including in proper order down in the tower body, the tower body is still including arranging the inlet flue of first spraying area below in, arrange the outlet flue at tower body top in and arrange the liquid outlet of stock solution district bottom in, all be equipped with the shower in first spraying area and the second spraying area, be equipped with circulating device between liquid outlet and the shower, guiding device includes guide plate and lower guide plate, it forms the water conservancy diversion clearance to go up between guide plate and the lower guide plate, all be equipped with the water conservancy diversion hole on upper guide plate and the lower guide plate, go up the dislocation set between the water conservancy diversion hole on guide plate and the lower guide plate, the utility model is suitable for a flue gas.

Description

Deacidifying reaction tower

Technical Field

The utility model belongs to the technical field of flue gas treatment, refer in particular to a deacidification reaction tower.

Background

Incineration is used as a main method for disposing hazardous wastes, can achieve the purposes of reduction, harmlessness and recycling, and is the most effective and economic hazardous waste disposal mode at present. However, the acid gases in the incineration exhaust gas include hydrogen chloride, sulfur dioxide, hydrogen fluoride, nitrogen oxides and carbon monoxide, which are harmful to the atmosphere if discharged directly without treatment. Wet deacidification refers to the reaction of alkali solution sprayed by atomization and acid gas in deacidification equipment to achieve the purpose of deacidification. But it is difficult to achieve complete acid removal by simple atomized spraying.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a deacidification reaction tower has the characteristics that the deacidification treatment effect is good.

The purpose of the utility model is realized like this: the utility model provides a deacidification reaction tower, includes the tower body, its characterized in that: by supreme storage liquid district that includes in proper order down in the tower body, first spraying area, guiding device, the second sprays district and adsorption filtration district, the tower body is still including arranging the inlet flue of first spraying area below in, arrange the outlet flue at tower body top in and arrange the liquid outlet of stock solution district bottom in, first spraying area and second all are equipped with the shower in spraying the district, be equipped with circulating device between liquid outlet and the shower, guiding device includes guide plate and lower guide plate, it forms the water conservancy diversion clearance to go up between guide plate and the lower guide plate, it all is equipped with the water conservancy diversion hole on guide plate and the lower guide plate to go up, on guide plate and the lower dislocation set between the water conservancy diversion hole on the guide plate.

By adopting the technical scheme, the first spraying area and the second spraying area both adopt a spraying mode to carry out deacidification treatment on the flue gas, wherein the number of spraying pipes in the second spraying area can be slightly more than that of the first spraying area, the adsorption filtration area mainly carries out adsorption treatment on residual harmful substances in the flue gas, the spray liquid generated by the second spraying area positioned above can flow into the flow guide gap through the arrangement of the flow guide device, and the liquid film layer is easily formed between the upper flow guide plate and the lower flow guide plate by the spray liquid because the flow guide holes on the upper flow guide plate and the flow guide holes on the lower flow guide plate are arranged in a staggered way, and the gap between the upper flow guide plate and the lower flow guide plate is preferably controlled within 3mm, but along with the entering of the bottom flue gas in the first spraying area, the flue gas can break through the liquid film layer to enter the second spraying area, and has a horizontal flow effect between the gaps, can improve gas-liquid area of contact, improve the reaction probability, improve the deacidification effect, circulating device is convenient for spray the cyclic utilization of liquid.

The utility model discloses further set up to: circulating device includes circulating pump and circulating pipe, through circulating pump and circulating pipe intercommunication between liquid outlet and the shower, is equipped with the slope in the stock solution district and sets up the baffle, and the baffle separates into liquid feeding district and lower liquid district with the stock solution district, and the baffle center is equipped with the liquid mouth, crosses to be equipped with filter assembly on the liquid mouth, and filter assembly includes two-layer filtration support rack and arranges the active carbon non-woven fabrics between the two-layer filtration support frame in.

By adopting the technical scheme, when the flue gas enters the tower body, dust particle impurities can be inevitably generated, and the particle impurities can enter the liquid storage area after the spraying treatment, so the particle impurities can be intercepted in the liquid loading area through the arrangement of the partition plate and the filtering assembly, and the blockage of the spraying pipe caused by the circulation of the particle impurities into the spraying pipe is avoided; wherein filter the support rack and can be fixed in for the installation of plastics material on the liquid mouth, the active carbon non-woven fabrics is installed in two-layer filtration support rack.

The utility model discloses further set up to: the adsorption filtration area comprises a shell, a plurality of layers of activated carbon filter screens and filter plates, the plurality of layers of activated carbon filter screens and the filter plates are both arranged in the shell, the filter plates are arranged below the activated carbon filter screens, and activated carbon screen cloth is further arranged on the surfaces of the filter plates.

Through adopting above-mentioned technical scheme, the casing is installed in the tower body, and the active carbon filter screen adopts the honeycomb structure who has the through-hole as the carrier, and honeycomb structure adopts polyurethane foam to be the carrierThe cotton material is loaded with powdered activated carbon, has good air permeability and high-efficiency adsorption performance of the activated carbon, and can remove smoke dust and SO in the flue gas₂And NO_xAnd the like, and the adsorption performance can be improved by adopting a multilayer structure; be equipped with the filtration pore on the filter plate, play the effect of breathing freely, the active carbon screen cloth is woven by the activated carbon fiber and is formed, is fixed in on the filter plate, and the active carbon screen cloth can play prefilter's effect, and plays certain effect of holding back to the moisture in the flue gas, can reduce during moisture in the flue gas gets into the active carbon filter screen, reduces the influence of moisture to active carbon filter screen filtering quality promptly.

The utility model discloses further set up to: the tower body is also provided with a liquid outlet communicated with the upper liquid area.

Through adopting above-mentioned technical scheme, the leakage fluid dram is located the bottommost end in the upper liquid district, and the leakage fluid dram is convenient for go up the discharge of liquid intraductal impurity.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is an enlarged view of the portion A of FIG. 1;

the reference numbers in the figures are: 1. a tower body; 2. a liquid storage area; 3. a first spray zone; 4. a flow guide device; 5. a second spray zone; 6. an adsorption filtration zone; 7. a smoke inlet; 8. a smoke outlet; 9. a liquid outlet; 10. a shower pipe; 11. an upper deflector; 12. a lower deflector; 13. a flow guide gap; 14. a flow guide hole; 15. a circulation pump; 16. A circulation pipe; 17. a partition plate; 18. a filter assembly; 19. a housing; 20. an active carbon filter screen; 21. filtering the plate; 22. and a liquid discharge port.

Detailed Description

The invention will be further described in the following with reference to specific embodiments thereof, with reference to the accompanying drawings, in which figures 1-2:

the utility model provides a deacidification reaction tower, includes tower body 1, its characterized in that: the tower body 1 is interior by supreme storage liquid district 2 that includes in proper order down, first spraying district 3, guiding device 4, second spraying district 5 and absorption filtering area 6, tower body 1 still including arranging into inlet flue 7 of first spraying district 3 below, arrange outlet flue 8 at tower body 1 top in and arrange the liquid outlet 9 of storage liquid district 2 bottoms in, first spraying district 3 and second spraying district 5 all are equipped with shower 10 in, be equipped with circulating device between liquid outlet 9 and the shower 10, guiding device 4 includes guide plate 11 and lower guide plate 12, form water conservancy diversion clearance 13 between guide plate 11 and the lower guide plate 12, all be equipped with water conservancy diversion hole 14 on guide plate 11 and the lower guide plate 12, the dislocation set between guide plate 11 and the water conservancy diversion hole 14 on the lower guide plate 12.

By adopting the technical scheme, the first spraying area 3 and the second spraying area 5 both adopt a spraying mode to deacidify the flue gas, wherein the number of the spraying pipes 10 in the second spraying area 5 can be slightly more than that of the first spraying area 3, the adsorption filtration area 6 mainly adsorbs residual harmful substances in the flue gas, the spray liquid generated by the second spraying area 5 positioned above can flow into the flow guide gap 13 by arranging the flow guide device 4, and the gap between the upper flow guide plate 11 and the lower flow guide plate 12 is preferably controlled within 3mm because the flow guide holes 14 on the upper flow guide plate 11 and the flow guide holes 14 on the lower flow guide plate 12 are arranged in a staggered mode, the spray liquid is easy to form a liquid film layer between the upper flow guide plate 11 and the lower flow guide plate 12, but along with the entering of the flue gas at the bottom of the first spraying area 3, the flue gas can break through the liquid film layer and enter the second spraying area 5, and it has the effect of horizontal flow between the clearance, can improve gas-liquid area of contact, improves the reaction probability, improves the deacidification effect, and circulating device is convenient for spray the cyclic utilization of liquid.

The utility model discloses further set up to: circulating device includes circulating pump 15 and circulating pipe 16, through circulating pump 15 and circulating pipe 16 intercommunication between liquid outlet 9 and the shower 10, is equipped with the slope in the stock solution district 2 and sets up baffle 17, and baffle 17 separates into stock solution district 2 and goes up liquid district and lower liquid district, and baffle 17 center is equipped with the liquid mouth, crosses and is equipped with filter assembly 18 on the liquid mouth, and filter assembly 18 includes two-layer filtration support rack and arranges the active carbon non-woven fabrics between the two-layer filtration support frame in.

By adopting the technical scheme, when the flue gas enters the tower body 1, dust particle impurities can be inevitably generated, and the particle impurities can enter the liquid storage area 2 after the spraying treatment, so the particle impurities can be retained in the liquid loading area through the arrangement of the partition plate 17 and the filter assembly 18, and the blockage of the spray pipe 10 caused by the circulation of the particle impurities into the spray pipe 10 is avoided; wherein filter the support rack and can be fixed in for the installation of plastics material on the liquid mouth, the active carbon non-woven fabrics is installed in two-layer filtration support rack.

The utility model discloses further set up to: the adsorption filtration area 6 comprises a shell 19, a plurality of layers of activated carbon filter screens 20 and a filter plate 21, wherein the plurality of layers of activated carbon filter screens 20 and the filter plate 21 are both arranged in the shell 19, the filter plate 21 is arranged below the activated carbon filter screen 20, and activated carbon mesh cloth is further arranged on the surface of the filter plate 21.

By adopting the technical scheme, the shell 19 is arranged in the tower body 1, the activated carbon filter screen 20 adopts a honeycomb structure with through holes as a carrier, the honeycomb structure is made of polyurethane cotton material and carries powdered activated carbon, the air permeability is good, the activated carbon has high-efficiency adsorption performance, harmful substances such as smoke dust, SO2 and NOx in smoke can be removed, and the multilayer structure is adopted, SO that the adsorption performance can be improved; be equipped with the filtration pore on the filter plate 21, play the effect of breathing freely, the active carbon screen cloth is woven by the activated carbon fiber and is formed, is fixed in on the filter plate 21, and the active carbon screen cloth can play prefilter's effect, and plays certain effect of holding back to the moisture in the flue gas, can reduce during moisture in the flue gas gets into the active carbon filter screen 20, reduces the influence of moisture to the active carbon filter screen 20 filtering capability promptly.

The utility model discloses further set up to: the tower body 1 is also provided with a liquid outlet 22 communicated with the upper liquid area.

Through adopting above-mentioned technical scheme, leakage fluid dram 22 is located the bottommost end of upper liquid zone, and leakage fluid dram 22 is convenient for go up the discharge of interior impurity of liquid zone.

The above-mentioned embodiment is only the preferred embodiment of the present invention, and does not limit the protection scope of the present invention according to this, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a deacidification reaction tower, includes tower body (1), its characterized in that: the tower body (1) comprises a liquid storage area (2), a first spraying area (3), a flow guide device (4), a second spraying area (5) and an adsorption filtering area (6) from bottom to top in sequence, the tower body (1) further comprises a smoke inlet (7) arranged below the first spraying area (3), a smoke outlet (8) arranged at the top of the tower body (1) and a liquid outlet (9) arranged at the bottom of the liquid storage area (2), the first spraying area (3) and the second spraying area (5) are internally provided with a spraying pipe (10), a circulating device is arranged between the liquid outlet (9) and the spraying pipe (10), the flow guide device (4) comprises an upper flow guide plate (11) and a lower flow guide plate (12), a flow guide gap (13) is formed between the upper flow guide plate (11) and the lower flow guide plate (12), flow guide holes (14) are formed in the upper flow guide plate (11) and the lower flow guide plate (12), and the flow guide holes (14) in the upper flow guide plate (11) and the lower flow guide plate (12) are arranged in a staggered.

2. A deacidification column as defined in claim 1, wherein: circulating device includes circulating pump (15) and circulating pipe (16), through circulating pump (15) and circulating pipe (16) intercommunication between liquid outlet (9) and shower (10), be equipped with slope in stock solution district (2) and set up baffle (17), baffle (17) are separated into stock solution district (2) and are gone up liquid district and lower liquid district, baffle (17) center is equipped with the liquid mouth, it is equipped with filtering component (18) on the liquid mouth to cross, filtering component (18) include two-layer filtration support net rack and arrange the active carbon non-woven fabrics between the two-layer filtration support frame in.

3. A deacidification column as defined in claim 2, wherein: adsorption filtration district (6) are including casing (19), multilayer active carbon filter screen (20) and filter plate (21), and multilayer active carbon filter screen (20) and filter plate (21) are all installed in casing (19), and the below of active carbon filter screen (20) is arranged in filter plate (21), and filter plate (21) surface still is equipped with the active carbon screen cloth.

4. A deacidification column as defined in claim 2, wherein: the tower body (1) is also provided with a liquid outlet (22) communicated with the upper liquid region.