CN216136961U - Process device for recovering oxidized tail gas activated carbon fibers by adopting low-temperature nitrogen desorption - Google Patents
Process device for recovering oxidized tail gas activated carbon fibers by adopting low-temperature nitrogen desorption Download PDFInfo
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- CN216136961U CN216136961U CN202121503927.9U CN202121503927U CN216136961U CN 216136961 U CN216136961 U CN 216136961U CN 202121503927 U CN202121503927 U CN 202121503927U CN 216136961 U CN216136961 U CN 216136961U
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Abstract
The utility model is suitable for the technical field of organic waste gas treatment equipment, and provides a process device for recovering oxidized tail gas activated carbon fibers by adopting low-temperature nitrogen desorption, which comprises an air inlet pipe, a filter, two activated carbon adsorption tanks arranged in parallel, an activated carbon adsorption plate, a connecting pipe, a combustion chamber, an outer chamber, a nitrogen generator, an air guide pipe, a cooling part and a discharge pipe.
Description
Technical Field
The utility model belongs to the technical field of organic waste gas treatment equipment, and particularly relates to a process device for recovering oxidized tail gas activated carbon fibers by adopting low-temperature nitrogen desorption.
Background
A large amount of organic tail gas is generated in the production processes of enterprises such as chemical engineering, pharmacy, synthesis, coating and the like, and the organic tail gas treatment generally comprises formaldehyde organic tail gas treatment, benzene series organic tail gas treatment such as benzene toluene xylene and the like, acetone butanone organic tail gas treatment, ethyl acetate tail gas treatment, oil mist organic waste gas treatment, furfural organic tail gas treatment, styrene and acrylic acid organic tail gas treatment, resin organic tail gas treatment, additive organic tail gas treatment, paint mist organic tail gas treatment, Tianna water organic tail gas treatment and other air purification treatment of carbon-containing oxyhydrogen organic matters.
In organic tail gas's processing procedure, at first adsorb the processing through active carbon during usually, then recycle high temperature nitrogen gas and carry out the desorption and evaporate out, however, the gas temperature after catalytic combustion is higher, directly can cause the loss because high temperature damages the active carbon through active carbon adsorption, and secondly, nitrogen gas is through heating again to organic matter carry out the desorption, and high temperature nitrogen gas can cause the damage to the active carbon equally.
SUMMERY OF THE UTILITY MODEL
The utility model provides a process device for recovering an oxidized tail gas activated carbon fiber by adopting low-temperature nitrogen desorption, and aims to solve the technical problems at present.
The utility model is realized in this way, a process unit for recovering oxidized tail gas activated carbon fiber by low-temperature nitrogen desorption, comprising:
an air inlet pipe;
the input end of the filter is communicated with the air inlet pipe;
the filter comprises at least two activated carbon adsorption tanks, a filter and a filter, wherein the activated carbon adsorption tanks are arranged in parallel, and the input ends of the two activated carbon adsorption tanks are communicated with the output end of the filter;
the activated carbon adsorption plate is fixedly arranged in the activated carbon adsorption tank;
one end of the connecting pipe is communicated with the output end of the activated carbon adsorption tank;
the combustion bin is communicated with the other end of the connecting pipe;
the outer bin is coated outside the combustion bin;
a nitrogen generator in communication with a passage formed between the combustion chamber and the outer chamber;
one end of the air duct is communicated with a channel formed between the combustion bin and the outer bin;
the input end of the cooling part is communicated with the other end of the air guide pipe, and the output end of the cooling part is communicated with the activated carbon adsorption tank;
and the discharge pipe penetrates through the outer bin and is communicated with the combustion bin.
Preferably, the filter with the fixed draught fan that is provided with in the junction of intake pipe, the draught fan intercommunication the intake pipe with the filter.
Preferably, the bottom of the activated carbon adsorption tank is fixedly provided with a slag discharge pipe, and the slag discharge pipe is communicated with the activated carbon adsorption tank.
Preferably, an adsorption valve is fixed at the joint of the activated carbon adsorption tank and the filter, and a desorption valve is fixed at the joint of the activated carbon adsorption tank and the cooling part.
Preferably, a reversing bin is arranged in the activated carbon adsorption tank, the reversing bin is fixedly installed inside the activated carbon adsorption tank, a reversing hole is formed in the top of the reversing bin, and the reversing hole is communicated with the activated carbon adsorption tank and the cooling portion.
Compared with the prior art, the utility model has the beneficial effects that: according to the process device for recovering the oxidized tail gas activated carbon fibers by adopting the low-temperature nitrogen desorption, the two activated carbon adsorption tanks which are arranged in parallel are arranged, so that the organic waste gas is uninterruptedly adsorbed and treated, the adsorption efficiency is high, the nitrogen enters the combustion bin and the outer bin to be contacted and heated, then the high-temperature nitrogen is cooled through the cooling part, then the low-temperature nitrogen enters the activated carbon adsorption tanks to desorb the activated carbon adsorption plate, and the problem that the activated carbon is damaged when the high-temperature nitrogen desorbs the activated carbon is solved.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is an overall cross-sectional view of the present invention;
fig. 3 is a schematic structural view of an activated carbon adsorption tank according to the present invention.
In the figure: 1. an air inlet pipe; 2. a filter; 3. an activated carbon adsorption tank; 4. an activated carbon adsorption plate; 5. a connecting pipe; 6. a combustion chamber; 7. an outer bin; 8. a nitrogen generator; 9. an air duct; 10. a cooling section; 11. a discharge pipe; 12. an induced draft fan; 13. a slag discharge pipe; 14. a reversing bin; 15. and (4) reversing holes.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.
Referring to fig. 1-3, the present invention provides a technical solution of a process apparatus for recovering activated carbon fibers from oxidized tail gas by low-temperature nitrogen desorption: comprises an air inlet pipe 1, a filter 2, an input end of the filter 2 is communicated with the air inlet pipe 1, an active carbon adsorption tank 3, at least two activated carbon adsorption tanks 3 are arranged in parallel, the input ends of the two activated carbon adsorption tanks are communicated with the output end of the filter 2, the activated carbon adsorption plates 4, which is fixedly arranged in an active carbon adsorption tank 3, one end of a connecting pipe 5 is communicated with the output end of the active carbon adsorption tank 3, a combustion chamber 6, which is communicated with the other end of the connecting pipe 5, an outer bin 7 which is coated outside the combustion bin 6, a nitrogen generator 8, which is communicated with a channel formed between the combustion chamber 6 and the outer chamber 7, an air duct 9, one end of which is communicated with the channel formed between the combustion chamber 6 and the outer chamber 7, a cooling part 10, the input end of the cooling part is communicated with the other end of the air duct 9, the output end of the cooling part 10 is communicated with the activated carbon adsorption tank 3, and the discharge pipe 11 penetrates through the outer bin 7 to be communicated with the combustion bin 6.
Tail gas carries out the preliminary treatment in getting into filter 2 through intake pipe 1, detach the foreign particles in the tail gas, tail gas through the preliminary treatment gets into arbitrary one activated carbon adsorption tank 3, activated carbon adsorption plate 4 carries out the adsorption treatment, tail gas after the absorption is accomplished rethread connecting pipe 5 gets into carries out catalytic combustion in the combustion chamber 6, rethread delivery pipe 11 discharges after the catalytic combustion, and simultaneously, nitrogen gas that nitrogen generator 8 produced carries out the thermal treatment with combustion chamber 6 contact when passing through the passageway that forms between combustion chamber 6 and the outer storehouse 7, the high temperature nitrogen gas after the thermal treatment carries out cooling treatment through cooling portion 10, the low temperature nitrogen gas after the cooling gets into and carries out desorption treatment to activated carbon adsorption plate 4 in the activated carbon adsorption tank 3, cause the problem of activated carbon damage when avoiding high temperature nitrogen gas to carry out desorption treatment to activated carbon.
Wherein, the fixed draught fan 12 that is provided with in filter 2 and the junction of intake pipe 1, draught fan 12 intercommunication intake pipe 1 and filter 2.
The circulation speed of the tail gas entering the filter 2 can be increased by the induced draft fan 12, so that the efficiency of tail gas treatment is increased.
Further, the bottom of the activated carbon adsorption tank 3 is fixedly provided with a slag discharge pipe 13, and the slag discharge pipe 13 is communicated with the activated carbon adsorption tank 3.
The waste slag generated after desorption can be discharged by opening the slag discharge pipe 13.
Further, an adsorption valve is fixed at the joint of the activated carbon adsorption tank 3 and the filter 2, and a desorption valve is fixed at the joint of the activated carbon adsorption tank 3 and the cooling part 10.
When the adsorption value of the activated carbon adsorption plate 4 in one of the activated carbon adsorption tanks 3 reaches the preset upper limit, the adsorption valve is closed, the desorption valve is opened, and the activated carbon adsorption tank enters the desorption stage, and the desorption valve is closed by opening the adsorption valve of the other activated carbon adsorption tank 3, so that the activated carbon adsorption tank enters the adsorption stage.
In addition, a reversing bin 14 is arranged in the activated carbon adsorption tank 3, the reversing bin 14 is fixedly installed inside the activated carbon adsorption tank 3, a reversing hole 15 is formed in the top of the reversing bin 14, and the reversing hole 15 is communicated with the activated carbon adsorption tank 3 and the cooling portion 10.
Low temperature nitrogen gas gets into each position of active carbon adsorption board 4 through the switching-over hole 15 of different angles after 3, dispersion that can be quick for desorption effect is better.
The working principle and the using process of the utility model are as follows: tail gas carries out the preliminary treatment in getting into filter 2 through intake pipe 1, detach the foreign particles in the tail gas, tail gas through the preliminary treatment gets into arbitrary one activated carbon adsorption tank 3, activated carbon adsorption plate 4 carries out the adsorption treatment, tail gas after the absorption is accomplished rethread connecting pipe 5 gets into carries out catalytic combustion in the combustion chamber 6, rethread delivery pipe 11 discharges after the catalytic combustion, and simultaneously, nitrogen gas that nitrogen generator 8 produced carries out the thermal treatment with combustion chamber 6 contact when passing through the passageway that forms between combustion chamber 6 and the outer storehouse 7, the high temperature nitrogen gas after the thermal treatment carries out cooling treatment through cooling portion 10, the low temperature nitrogen gas after the cooling gets into and carries out desorption treatment to activated carbon adsorption plate 4 in the activated carbon adsorption tank 3, cause the problem of activated carbon damage when avoiding high temperature nitrogen gas to carry out desorption treatment to activated carbon.
When the adsorption value of the activated carbon adsorption plate 4 in one of the activated carbon adsorption tanks 3 reaches the preset upper limit, the adsorption valve is closed, the desorption valve is opened, the activated carbon adsorption tank 3 enters the desorption stage, the adsorption valve is closed through opening the other activated carbon adsorption tank 3, the activated carbon adsorption tank 3 is arranged in parallel, the organic tail gas is continuously adsorbed and treated, and the adsorption efficiency is high.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (5)
1. A process unit for recovering oxidized tail gas activated carbon fibers by adopting low-temperature nitrogen desorption is characterized in that: the method comprises the following steps:
an intake pipe (1);
the input end of the filter (2) is communicated with the air inlet pipe (1);
the filter comprises at least two activated carbon adsorption tanks (3) which are arranged in parallel, wherein the input ends of the two activated carbon adsorption tanks (3) are communicated with the output end of the filter (2);
the activated carbon adsorption plate (4) is fixedly arranged in the activated carbon adsorption tank (3);
one end of the connecting pipe (5) is communicated with the output end of the active carbon adsorption tank (3);
a combustion chamber (6) which is communicated with the other end of the connecting pipe (5);
an outer bin (7) which is covered outside the combustion bin (6);
a nitrogen generator (8) communicating with a passage formed between said combustion chamber (6) and said outer chamber (7);
one end of the air duct (9) is communicated with a channel formed between the combustion bin (6) and the outer bin (7);
the input end of the cooling part (10) is communicated with the other end of the air guide pipe (9), and the output end of the cooling part (10) is communicated with the activated carbon adsorption tank (3);
an exhaust pipe (11) passing through the outer bin (7) to communicate with the combustion bin (6).
2. The process unit for recycling the oxidized tail gas activated carbon fiber by adopting the low-temperature nitrogen desorption as claimed in claim 1, is characterized in that: the filter (2) with the junction of intake pipe (1) is fixed and is provided with draught fan (12), draught fan (12) intercommunication intake pipe (1) with filter (2).
3. The process unit for recycling the oxidized tail gas activated carbon fiber by adopting the low-temperature nitrogen desorption as claimed in claim 1, is characterized in that: the bottom of active carbon adsorption jar (3) is fixed and is equipped with row sediment pipe (13), arrange sediment pipe (13) with active carbon adsorption jar (3) intercommunication.
4. The process unit for recycling the oxidized tail gas activated carbon fiber by adopting the low-temperature nitrogen desorption as claimed in claim 1, is characterized in that: the active carbon adsorption jar (3) with filter (2) junction is fixed with the adsorption valve, active carbon adsorption jar (3) with cooling portion (10) junction is fixed with the desorption valve.
5. The process unit for recycling the oxidized tail gas activated carbon fiber by adopting the low-temperature nitrogen desorption as claimed in claim 1, is characterized in that: be provided with switching-over storehouse (14) in activated carbon adsorption jar (3), switching-over storehouse (14) fixed mounting be in the inside of activated carbon adsorption jar (3), switching-over hole (15) have been seted up at switching-over storehouse (14) top, switching-over hole (15) intercommunication activated carbon adsorption jar (3) with cooling portion (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121503927.9U CN216136961U (en) | 2021-07-01 | 2021-07-01 | Process device for recovering oxidized tail gas activated carbon fibers by adopting low-temperature nitrogen desorption |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121503927.9U CN216136961U (en) | 2021-07-01 | 2021-07-01 | Process device for recovering oxidized tail gas activated carbon fibers by adopting low-temperature nitrogen desorption |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216136961U true CN216136961U (en) | 2022-03-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121503927.9U Active CN216136961U (en) | 2021-07-01 | 2021-07-01 | Process device for recovering oxidized tail gas activated carbon fibers by adopting low-temperature nitrogen desorption |
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| Country | Link |
|---|---|
| CN (1) | CN216136961U (en) |
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2021
- 2021-07-01 CN CN202121503927.9U patent/CN216136961U/en active Active
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