CN207755991U - It is classified organic exhaust gas catalytic oxidation treatment device - Google Patents
It is classified organic exhaust gas catalytic oxidation treatment device Download PDFInfo
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- CN207755991U CN207755991U CN201721475601.3U CN201721475601U CN207755991U CN 207755991 U CN207755991 U CN 207755991U CN 201721475601 U CN201721475601 U CN 201721475601U CN 207755991 U CN207755991 U CN 207755991U
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- heat exchanger
- catalyst container
- level catalyst
- waste heat
- exhaust gas
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Abstract
The utility model discloses a kind of classification organic exhaust gas catalytic oxidation treatment devices, wherein including：Liquid nitrogen washing exhaust fan, startup heat exchanger, preheating heat exchanger, the one stage catalyzing case being sequentially communicated；Further include the two level catalyst container being sequentially communicated, the first waste heat exchanger, three-level catalyst container, the second waste heat exchanger；The both ends that the one stage catalyzing case, the two level catalyst container pass through the second flow tube of the preheating heat exchanger.It is handled by multistage catalytic, realizes the different purification styles of liquid nitrogen washing tail-gas, it is mating to start heat exchanger, preheating heat exchanger, the first waste heat exchanger, the second waste heat exchanger to ensure that smooth, the safe operation of catalysis reaction.Have the characteristics that efficient, can to handle multicomponent pollutant, variable working condition adaptable, safe and reliable, it is easy to operate, the organic component concentration of emission in the liquid nitrogen washing exhaust gas of current generally existing can be made to decline to a great extent, effectively solve the problems, such as to administer at present, have a extensive future.
Description
Technical field
The utility model is related to the classification organic exhaust gas of a kind of emission-control equipment more particularly to a kind of coal chemical industry to urge
Change oxidation treatment device.
Background technology
Currently, generated liquid nitrogen washing exhaust gas composition is 88% nitrogen, 8% carbon monoxide, 2% hydrogen in coal chemical industry processing procedure
Gas, 2% methane.Such exhaust gas is handled currently without good processing mode, it can only direct emission.There are many drawbacks：
(1) carbon monoxide, hydrogen, methane are volatile organic matter, and direct emission pollutes environment；
(2) not oxygenous due to wherein containing 88% nitrogen, it can not be lighted in the case where being passed through oxygen；
(3) organic gas in tail gas contains a large amount of calorific value, and discharge causes the waste of the energy.
Utility model content
In view of the drawbacks described above of the prior art, the technical problem to be solved by the utility model is to provide a kind of classifications to have
Machine exhaust fume catalytic oxidation treatment device, wherein including：Liquid nitrogen washing exhaust fan, startup heat exchanger, the pre-heating heat-exchanging being sequentially communicated
Device, one stage catalyzing case；Further include that the two level catalyst container being sequentially communicated, the first waste heat exchanger, three-level catalyst container, the second waste heat change
Hot device；The both ends that the one stage catalyzing case, the two level catalyst container pass through the second flow tube of the preheating heat exchanger.
Preferably, the liquid nitrogen washing exhaust fan, the startup heat exchanger, the preheating heat exchanger, described one stage catalyzing
Case, the two level catalyst container, first waste heat exchanger, the three-level catalyst container, second waste heat exchanger pass through
Pipeline connects.
Preferably, further include an air compressor, the exhaust outlet of the air compressor is connected to the pipeline.
Preferably, the exhaust outlet includes：First row gas port, second exhaust port, third exhaust outlet, the first row gas port
It is connected on the liquid nitrogen washing exhaust fan, the pipeline started between heat exchanger；The second exhaust port is connected to
On the pipeline between the two level catalyst container, the preheating heat exchanger；The third exhaust outlet connection is urged in the two level
Change on the pipeline between case, first waste heat exchanger.
Preferably, further include a catalysis shell, the one stage catalyzing case, the two level catalyst container, the three-level catalyst container
It is mounted in the catalysis shell from top to bottom.
The above-mentioned technical proposal of the utility model efficiently solves compared to the prior art lacks a kind of coal in the prior art
It the problem of device that generated liquid nitrogen washing tail-gas is handled in chemical industry processing procedure, is handled by multistage catalytic, realizes liquid nitrogen washing
The different purification styles of tail gas, mating startup heat exchanger, preheating heat exchanger, the first waste heat exchanger, the second waste heat exchanger from
And it ensure that smooth, the safe operation of catalysis reaction.With it is efficient, can handle multicomponent pollutant, variable working condition it is adaptable,
Safe and reliable feature, it is easy to operate, organic component concentration of emission in the liquid nitrogen washing exhaust gas of current generally existing can be made substantially
Decline, effectively solves the problems, such as to administer at present, have a extensive future.
The technique effect of the design of the utility model, concrete structure and generation is made furtherly below with reference to attached drawing
It is bright, to be fully understood from the purpose of this utility model, feature and effect.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model.
Specific implementation mode
As shown, Fig. 1 is the structural schematic diagram of the utility model, a kind of classification organic exhaust gas catalytic oxidation treatment dress
It sets, wherein including：Liquid nitrogen washing exhaust fan 9, startup heat exchanger 1, preheating heat exchanger 2, the one stage catalyzing case 6 being sequentially communicated；Also
Including two level catalyst container 7, the first waste heat exchanger 3, three-level catalyst container 8, the second waste heat exchanger 4 being sequentially communicated；Level-one is urged
Change case 6, the both ends that two level catalyst container 7 passes through the second flow tube of preheating heat exchanger 2.Preheating heat exchanger 2 includes the first flow tube, second
Flow tube starts heat exchanger 1, one stage catalyzing case 6 passes through the first flow tube.The utility model configuration starts heat exchanger 1, starts in device
Stage comes into operation, and heats pending gas, ensures that reaction smoothly starts；The mode of multiple catalysts arranged in series, is primarily due to
Calorific value in tail gas is excessively high, is reacted by stage, and exothermic heat of reaction UTILIZATION OF VESIDUAL HEAT IN is prevented from generating by first order reaction by stage
A large amount of heat, the temperature of superelevation are difficult to be controlled.Multiple catalysts arranged in series (three-level), realizes the classification of various ingredients
Catalytic oxidation treatment；The first order is directed to hydrogen, and the second level and the third level are directed to carbon monoxide and methane.Ensure to add in the course of work
For hot-air to 350 DEG C or more, organic exhaust gas can pass through catalyst complete catalysts oxidation.
Further, liquid nitrogen washing exhaust fan 9, startup heat exchanger 1, preheating heat exchanger 2, one stage catalyzing case 6, two level catalysis
Case 7, the first waste heat exchanger 3, three-level catalyst container 8, the second waste heat exchanger 4 are connected by pipeline.
Further, further include an air compressor 5, the exhaust outlet of air compressor 5 is connected to pipeline.Air compressor
5 can be used for that oxygen is added, and form fresh air system, oxygen is quantitatively adding for every level-one, to control every grade of the extent of reaction, protect
Demonstrate,prove the safety of catalytic reaction process.
Further, exhaust outlet includes：First row gas port, second exhaust port, third exhaust outlet, the connection of first row gas port exist
On pipeline between liquid nitrogen washing exhaust fan 9, startup heat exchanger 1；Second exhaust port is connected to two level catalyst container 7, pre-heating heat-exchanging
On pipeline between device 2；The connection of third exhaust outlet is on the pipeline between two level catalyst container 7, the first waste heat exchanger 3.
Further, further include a catalysis shell, one stage catalyzing case 6, two level catalyst container 7, three-level catalyst container 8 are from top to bottom
In catalysis shell；It is laid out using three-level catalyst cascade integral type, realizes the different purification styles of liquid nitrogen washing tail-gas.
Further, catalyst container uses the structure of global formation, specially cellular or other modes, convenient for construction peace
Dress reduces process resistance.
The preferred embodiment of the utility model described in detail above.It should be appreciated that the ordinary skill people of this field
Member according to the present utility model can conceive without creative work makes many modifications and variations.Therefore, all this technology necks
Technical staff passes through logic analysis, reasoning or limited reality on the basis of existing technology according to the design of the utility model in domain
Available technical solution is tested, it all should be in the protection domain being defined in the patent claims.
Claims (5)
1. a kind of classification organic exhaust gas catalytic oxidation treatment device, which is characterized in that including：The liquid nitrogen washing tail-gas wind being sequentially communicated
Machine starts heat exchanger, preheating heat exchanger, one stage catalyzing case；Further include the two level catalyst container being sequentially communicated, the heat exchange of the first waste heat
Device, three-level catalyst container, the second waste heat exchanger；The one stage catalyzing case, the two level catalyst container pass through the preheating heat exchanger
The second flow tube both ends.
2. classification organic exhaust gas catalytic oxidation treatment device as described in claim 1, which is characterized in that the liquid nitrogen washing tail-gas
Wind turbine, the startup heat exchanger, the preheating heat exchanger, the one stage catalyzing case, the two level catalyst container, first waste heat
Heat exchanger, the three-level catalyst container, second waste heat exchanger are connected by pipeline.
3. classification organic exhaust gas catalytic oxidation treatment device as claimed in claim 2, which is characterized in that further include an air pressure
Contracting machine, the exhaust outlet of the air compressor are connected to the pipeline.
4. classification organic exhaust gas catalytic oxidation treatment device as claimed in claim 3, which is characterized in that the exhaust outlet packet
It includes：First row gas port, second exhaust port, third exhaust outlet, the first row gas port connection is in the liquid nitrogen washing exhaust fan, institute
It states on the pipeline between starting heat exchanger；The second exhaust port is connected to the two level catalyst container, the pre-heating heat-exchanging
On the pipeline between device；The third exhaust outlet connection is between the two level catalyst container, first waste heat exchanger
The pipeline on.
5. classification organic exhaust gas catalytic oxidation treatment device as described in claim 1, which is characterized in that further include a catalysis shell
Body, the one stage catalyzing case, the two level catalyst container, the three-level catalyst container are mounted in the catalysis shell from top to bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721475601.3U CN207755991U (en) | 2017-11-07 | 2017-11-07 | It is classified organic exhaust gas catalytic oxidation treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721475601.3U CN207755991U (en) | 2017-11-07 | 2017-11-07 | It is classified organic exhaust gas catalytic oxidation treatment device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207755991U true CN207755991U (en) | 2018-08-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721475601.3U Active CN207755991U (en) | 2017-11-07 | 2017-11-07 | It is classified organic exhaust gas catalytic oxidation treatment device |
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| Country | Link |
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| CN (1) | CN207755991U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109668157A (en) * | 2018-12-27 | 2019-04-23 | 北京中电联环保股份有限公司 | Waste gas catalytic incineration processing system and its adjustment control method |
| CN115307162A (en) * | 2021-05-06 | 2022-11-08 | 昆明理工大学 | Liquid nitrogen tail gas washing catalytic combustion system and method |
-
2017
- 2017-11-07 CN CN201721475601.3U patent/CN207755991U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109668157A (en) * | 2018-12-27 | 2019-04-23 | 北京中电联环保股份有限公司 | Waste gas catalytic incineration processing system and its adjustment control method |
| CN115307162A (en) * | 2021-05-06 | 2022-11-08 | 昆明理工大学 | Liquid nitrogen tail gas washing catalytic combustion system and method |
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