CN209445383U - Coking chemical industry tail gas processing unit - Google Patents
Coking chemical industry tail gas processing unit Download PDFInfo
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- CN209445383U CN209445383U CN201821945591.XU CN201821945591U CN209445383U CN 209445383 U CN209445383 U CN 209445383U CN 201821945591 U CN201821945591 U CN 201821945591U CN 209445383 U CN209445383 U CN 209445383U
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- pipeline
- tail gas
- heat tracing
- coke oven
- chemical industry
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Abstract
The utility model discloses a kind of coking chemical industry tail gas processing units, it includes exhaust collection pipeline I, washing facility, heat tracing pipeline II, heat tracing distribution pipeline III, the tail gas of each tail gas release point is collected by exhaust collection pipeline I, after washing facility is washed, it is connect by heat tracing pipeline II with heat tracing distribution pipeline III, heat tracing distribution pipeline III is connect with the sampling hole of coke oven exhaust gas shutter, whole device constitutes reasonable, maximally utilize coking chemical industry existing equipment, burning processing, energy conservation and environmental protection are carried out by introducing in coke oven after exhaust collection processing washing.
Description
Technical field
The utility model is more particularly to the tail generated in coking chemical production process or in material transfer conveying, cargo handling process
The processing unit of gas and equipment and the tail gas of pipeline volatilization release, is embodied in sour gas, ammonia gas, organic gas etc.
The processing unit of tail gas.
Background technique
The tail gas that coking chemical industry generates in process of production contains sour gas, ammonia gas, organic gas, these
Gas can cause health effect and actual bodily harm to direct labor, pollute to atmosphere, for the processing mode of these gases
Varied, the current generally existing treatment cost of conventional apparatus and processing mode is excessively high, leads to the problem of secondary pollution.
Summary of the invention
The purpose of this utility model seeks to provide a kind of coking chemical industry tail gas processing unit, and whole device is constituted rationally,
Coking chemical industry existing equipment is maximally utilized, carries out burning processing, energy-saving ring for introducing in coke oven after exhaust collection processing washing
It protects.
For achieving the above object, technical solution adopted in the utility model are as follows:
A kind of coking chemical industry tail gas processing unit, it includes exhaust collection pipeline I, washing facility, heat tracing pipeline II, heat tracing
Distribution pipeline III, the tail gas of each tail gas release point is collected by exhaust collection pipeline I, after washing facility is washed,
It is connect by heat tracing pipeline II with heat tracing distribution pipeline III, the sampling hole of heat tracing distribution pipeline III and coke oven exhaust gas shutter connects
It connects.
Further include hybrid buffer, is arranged between heat tracing pipeline II and heat tracing distribution pipeline III, it is useless by coke oven
Gas recovery pipe V and heat tracing distribution pipeline III form circulation loop, and coke oven exhaust gas recovery pipe V is provided with air-introduced machine.
It further include register, register is arranged between washing facility, heat tracing pipeline II, after washed equipment for washing
Tail gas mixed gas, by register temperature control, register by mixed gas temperature be raised and lowered be suitble to delivery pipe
Road or coke oven distribution requirement.
Heat tracing distribution pipeline III includes two groups of pipelines, including odd number tracheae and even number tracheae, odd number tracheae and even number tracheae
It is connect by gas-distributing pipe with coke oven exhaust gas shutter sampling hole, the setting of heat tracing distribution III two groups of pipelines of pipeline is opened with coke oven exhaust gas
Device coke oven air inlet rule is closed to match.It is when one group of pipeline is with coke oven exhaust gas shutter sucking air that tail gas mixed gas is defeated
Enter in coke oven exhaust gas shutter sampling hole, synchronous air enters in coke oven together, while another group of pipeline is opened and closed with coke oven exhaust gas
Close synchronously enters the tail gas mixed gas in sampling hole when exhaust gas is discharged in device；Odd number tracheae one end is provided with electrically-controlled valve I, even number
Tracheae one end is provided with electrically-controlled valve II.
Further, the other end of odd number tracheae and even number tracheae passes through coke oven exhaust gas recovery pipe V and hybrid buffer
The other end of connection, odd number tracheae and even number tracheae is respectively arranged with electrically-controlled valve IV, electrically-controlled valve V.
The air inlet of the hybrid buffer, the specially connection with heat tracing pipeline II and coke oven exhaust gas recovery pipe V
Place is provided with flowmeter, check-valves.
The heat tracing distribution pipeline III further includes drawing pipeline IV, draws pipeline IV and the coke oven exhaust gas circulatory system or coke
Furnace blast furnace gas enters piping connection, will treated tail gas by coke oven exhaust gas circulatory system pipeline or coke oven blast furnace gas into
Enter pipeline and enter coke oven to carry out burning processing, draws pipeline IV and be provided with electrically-controlled valve III.
The washing facility is two washing facilitys being sequentially connected in series, and in front to be used for water-soluble ammonia, second for intercepting
The ammonia of escape, washing facility are provided with inlet and liquid outlet, air inlet and gas outlet, spray equipment are arranged inside washing facility
With demister, spray equipment lower part is arranged PH and counts, counted and determined by PH, if need to be changed by inlet and liquid outlet
Liquid.
The bleeding point of the exhaust collection pipeline I includes the ammonia tails such as salt extraction, desulfurization regeneration tower tail gas, clear liquid surge tank
Each release point I of gas；Washing oil dreg scraping trough seal reconstruction collect tail gas, mechanizeding ammonia clarifying groove, remained ammonia slot, among ammonium hydroxide
The organic tail gas such as slot, tar storage tank respectively diffuse a little II；Each bleeding point III of the sour gas such as sulfur melting kettle, sulphur library, flowing full slot.
The register is heat exchanger.
The heat tracing pipeline II, which is provided with, surveys benzene instrument, monitors the concentration of benzene in gas in pipeline, quick-fried convenient for control gas
The fried limit.
The heat tracing pipeline II is provided with blower, and the tail gas after washing is introduced heat tracing distribution pipeline III.
Further, the heat tracing pipeline II outlet is provided with flowmeter.
Level transducer is provided at the valve controls connecting rod of the coke oven exhaust gas shutter, control tail gas enters coke oven
Commander equipment in shutter sampling hole.One group of pipeline, such as the electrically-controlled valve I of odd number tracheae are opened, and electrically-controlled valve IV is closed, coke oven
When waste gas valve sucks air, the tail gas after washing enters hybrid buffer and coke oven exhaust gas and is taken by control valve entrance
The mixing of sample Kong Houtong air enters in coke oven together；The electrically-controlled valve II of another group of pipeline simultaneously, even number tracheae is closed, electrically-controlled valve V
It opens, the work of V air-introduced machine of coke oven exhaust gas recovery pipe, when in company with coke oven exhaust gas shutter discharge exhaust gas, by part high-temp waste gas
Collection leads back hybrid buffer, carries out mixing heating to the tail gas after washing, plays preheating and mixing double acting to tail gas.
The heat tracing distribution pipeline III is provided with fire arrester.
Have respectively on two groups of gas pipings of the heat tracing distribution pipeline III and is connect with coke oven exhaust gas shutter sampling hole
Branch pipeline.
Whole flow process are as follows: enter first washing facility after collecting ammonia tail gas, organic tail gas by collection system and wash
It washs, acid tail gas is entered into second washing facility by collection system, the tail gas after washing enters temperature-adjusting device together,
Tail gas enters heat tracing total pipeline after temperature adjustment, is delivered to hybrid buffer, and hybrid buffer is constituted with heat tracing gas-distribution pipe road III
Coke oven part high-temp waste gas is led back and is preheated and mixed to tail gas by circulation line, reduces energy consumption, while in intelligent control system
Tail gas is introduced in coke oven exhaust gas shutter sampling hole by subtube according to coke oven air inlet rule under the control of system, is finally reached
The purpose of high-temp combustion discharge.
The utility model has the following beneficial effects:
By this method and device, pass through first preheating side after the tail gas generated in coking Chemical Manufacture being collected
Formula introduces coke oven and carries out burning processing, in the whole process, maximally utilizes coke-oven plant resource itself, tail gas itself without pair
Outer discharge, final sealing introduces coking furnace and carries out burning processing, energy saving, reduces energy consumption, environmental protection production.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model；
1. exhaust collection pipeline I, 2. heat tracing pipelines II, 3. washing facilitys, 4. pipelines IV, 5. coke oven exhaust gas shutters, 6.
Sampling hole, 7. registers, 8. odd number tracheaes, 9. even number tracheaes, 10. hybrid buffers, 11. electrically-controlled valves I, 12. electrically-controlled valves II,
13. electrically-controlled valve III, 14. survey benzene instrument, 15. gas-distributing pipes, 16. release points I, 17. release points II, 18. bleeding points III, 19, level biography
Sensor, 20. coke oven exhaust gas recovery pipes V, 21. electrically-controlled valves IV, 22. electrically-controlled valves V, 23. gas-distributing pipes.
Specific embodiment
A kind of coking chemical industry tail gas processing unit as shown in drawings, it include exhaust collection pipeline I 1, washing facility 3,
Heat tracing pipeline II 2, heat tracing distribution pipeline III, the tail gas of each tail gas release point is collected by exhaust collection pipeline I 1, by washing
It washs after equipment 2 washed, is connect by heat tracing pipeline II 2 with heat tracing distribution pipeline III, heat tracing distribution pipeline III and coke oven are useless
The sampling hole 6 of gas shutter 5 connects.
Further include hybrid buffer 10, is arranged between heat tracing pipeline II 2 and heat tracing distribution pipeline III, passes through coke oven
Waste gas recovery pipeline V 20 and heat tracing distribution pipeline III form circulation loop, and coke oven exhaust gas recovery pipe V 20 is provided with air inducing
Machine.
It further include register 7, register 7 is arranged between washing facility 3, heat tracing pipeline II 2, washed equipment 3
Tail gas mixed gas after washing, by 7 temperature control of register, mixed gas temperature is raised and lowered with suitable register 7
Close transfer pipeline or coke oven distribution requirement.
Heat tracing distribution pipeline III includes two groups of pipelines, including odd number tracheae 8 and even number tracheae 9, odd number tracheae 8 and even number gas
Pipe 9 is connect by gas-distributing pipe 15 with 5 sampling hole 6 of coke oven exhaust gas shutter, the setting of heat tracing distribution III two groups of pipelines of pipeline and coke
5 coke oven air inlet rule of furnace exhaust shutter matches.By tail gas when one group of pipeline sucks air with coke oven exhaust gas shutter 5
Mixed gas inputs in 5 sampling hole 6 of coke oven exhaust gas shutter, and synchronous air enters in coke oven together, at the same another group of pipeline with
Close synchronously enters the tail gas mixed gas in sampling hole 6 when exhaust gas is discharged in coke oven exhaust gas shutter 5；The setting of odd number tracheae one end
There are electrically-controlled valve I 11, even number tracheae one end to be provided with electrically-controlled valve II 12.
Further, the other end of odd number tracheae 8 and even number tracheae 9 by coke oven exhaust gas recovery pipe V 20 with mix delay
It rushes device 10 to connect, the other end of odd number tracheae 8 and even number tracheae 9 is respectively arranged with electrically-controlled valve IV 21, electrically-controlled valve V 22.
The air inlet of the hybrid buffer 10, specially with heat tracing pipeline II 2 and coke oven exhaust gas recovery pipe V 20
Junction be provided with flow control valve, check-valves, tail gas is matched after recycling exhaust gas by Flux Valve Control and wash
Than.
The heat tracing distribution pipeline III further includes drawing pipeline IV 4, draw pipeline IV 4 and the coke oven exhaust gas circulatory system or
Coke oven blast furnace gas enters piping connection, and by treated, tail gas passes through coke oven exhaust gas circulatory system pipeline or coke oven blast furnace gas
Enter coke oven into pipeline and carry out burning processing, draws pipeline IV 4 and be provided with electrically-controlled valve III.
The washing facility 3 is two washing facilitys 3 being sequentially connected in series, and in front to be used for water-soluble ammonia, second for blocking
The ammonia of escape is cut, washing facility 3 is provided with inlet and liquid outlet, air inlet and gas outlet, spray is arranged inside washing facility 3
Device and demister, spray equipment lower part are arranged PH and count, and pass through PH meter and determine, if need by inlet and liquid outlet into
Row changes liquid.
The bleeding point of the exhaust collection pipeline I 1 includes the ammonia such as salt extraction, desulfurization regeneration tower tail gas, clear liquid surge tank
Each release point I 16 of tail gas；Washing oil dreg scraping trough seal reconstruction collects tail gas, mechanizeding ammonia clarifying groove, remained ammonia slot, ammonium hydroxide
The organic tail gas such as medial launder, tar storage tank respectively diffuse a little II 17；Each bleeding point of the sour gas such as sulfur melting kettle, sulphur library, flowing full slot
Ⅲ18。
The register 7 is heat exchanger.
The heat tracing pipeline II 2, which is provided with, surveys benzene instrument 14, monitors the concentration of benzene in gas in pipeline, convenient for control gas
Explosion limit.
The heat tracing pipeline II 2 is provided with blower, and the tail gas after washing is introduced heat tracing distribution pipeline III.
Level transducer 19 is provided at the valve controls connecting rod of the coke oven exhaust gas shutter 5, control tail gas enters
Commander equipment in coke oven shutter sampling hole 6.One group of pipeline, such as the electrically-controlled valve I 11 of odd number tracheae are opened, electrically-controlled valve IV 21
It closes, when coke oven exhaust gas shutter 5 sucks air, the tail gas after washing enters hybrid buffer and coke oven exhaust gas passes through control
Valve enters in coke oven after entering sampling hole 6 with air mixing together；Another group of pipeline simultaneously, the electrically-controlled valve II 12 of even number tracheae
It closes, electrically-controlled valve V 22 is opened, the air-introduced machine work of coke oven exhaust gas recovery pipe V 20, useless in company with the discharge of coke oven exhaust gas shutter
When gas, high-temp waste gas collection in part is led back into hybrid buffer 10, mixing heating is carried out to the tail gas after washing, tail gas is played
Preheating and mixing double acting.
The heat tracing distribution pipeline III is provided with fire arrester.
Have respectively on two groups of gas pipings of the heat tracing distribution pipeline III and connects with 5 sampling hole 6 of coke oven exhaust gas shutter
The gas-distributing pipe 23 connect.
Tail gas connection sampling hole is advantageous in that sampling hole is the conventional structure feature of existing coke oven exhaust gas shutter, one
As be provided with inner side and outer side sampling hole, take one of them installation of modifying, entire coke oven exhaust gas shutter repaired
It is small to change amplitude, save the cost, modification is installed very convenient quick.
Whole flow process are as follows: enter first washing facility after collecting ammonia tail gas, organic tail gas by collection system and wash
It washs, acid tail gas is entered into second washing facility by collection system, the tail gas after washing enters temperature-adjusting device together,
Tail gas enters heat tracing total pipeline after temperature adjustment, is delivered to hybrid buffer 10, hybrid buffer 10 is the same as heat tracing gas-distribution pipe road III
Circulation line is constituted, coke oven part high-temp waste gas is led back, tail gas is preheated and is mixed, reduces energy consumption, while in intelligent control
Tail gas is introduced in coke oven exhaust gas shutter sampling hole 6 by subtube according to coke oven air inlet rule under the control of system processed, most
Reach a high temperature the purpose of burning and exhausting afterwards.
The above is only the preferred embodiment of the utility model, it is noted that for the ordinary skill of technical field
For personnel, without departing from the principle of this utility model, several improvement can also be made, wound is not being paid in these improvement
It also should be regarded as the protection scope of the utility model under the premise of the property made labour.
Claims (9)
1. a kind of coking chemical industry tail gas processing unit, characterized in that it includes exhaust collection pipeline I, washing facility, heat tracing pipeline
II, the tail gas of each tail gas release point is collected, carries out by washing facility by heat tracing distribution pipeline III, exhaust collection pipeline I
After washing, it is connect by heat tracing pipeline II with heat tracing distribution pipeline III, heat tracing distribution pipeline III takes with coke oven exhaust gas shutter
The connection of sample hole.
2. coking chemical industry tail gas processing unit according to claim 1, characterized in that further include hybrid buffer, set
It sets between heat tracing pipeline II and heat tracing distribution pipeline III, passes through coke oven exhaust gas recovery pipe V and III shape of heat tracing distribution pipeline
At circulation loop, coke oven exhaust gas recovery pipe V is provided with air-introduced machine.
3. coking chemical industry tail gas processing unit according to claim 1, characterized in that further include register, temperature adjustment dress
It installs between washing facility, heat tracing pipeline II.
4. coking chemical industry tail gas processing unit according to claim 1, characterized in that heat tracing distribution pipeline III includes two groups
Pipeline, including odd number tracheae and even number tracheae, odd number tracheae and even number tracheae are sampled by gas-distributing pipe and coke oven exhaust gas shutter
Hole connection；Odd number tracheae one end is provided with electrically-controlled valve I, even number tracheae one end is provided with electrically-controlled valve II.
5. coking chemical industry tail gas processing unit according to claim 4, characterized in that odd number tracheae and even number tracheae it is another
One end is connect by coke oven exhaust gas recovery pipe V with hybrid buffer, and the other end of odd number tracheae and even number tracheae is respectively set
There are electrically-controlled valve IV, electrically-controlled valve V.
6. coking chemical industry tail gas processing unit according to claim 4, characterized in that the heat tracing distribution pipeline III is also
Including drawing pipeline IV, pipeline IV is drawn with the coke oven exhaust gas circulatory system or coke oven blast furnace gas and enters piping connection, fairlead
Road IV is provided with electrically-controlled valve III.
7. coking chemical industry tail gas processing unit according to claim 1, characterized in that the washing facility is to be sequentially connected in series
Two washing facilitys, it is in front be used for water-soluble ammonia, second for intercepts escape ammonia, washing facility be provided with inlet and
PH is arranged in liquid outlet, air inlet and gas outlet, washing facility inside setting spray equipment and demister, spray equipment lower part
Meter.
8. coking chemical industry tail gas processing unit according to claim 1, characterized in that the exhaust collection pipeline I
Bleeding point include salt extraction, desulfurization regeneration tower tail gas, clear liquid surge tank ammonia tail gas release point I；The sealing of washing oil dreg scraping trough changes
Make the organic tail gas release point II for collecting tail gas, mechanizeding ammonia clarifying groove, remained ammonia slot, ammonium hydroxide medial launder, tar storage tank；
Sulfur melting kettle, sulphur library, flowing full slot sour gas bleeding point III.
9. coking chemical industry tail gas processing unit according to claim 1, characterized in that the coke oven exhaust gas shutter
Level transducer is provided at valve controls connecting rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821945591.XU CN209445383U (en) | 2018-11-24 | 2018-11-24 | Coking chemical industry tail gas processing unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821945591.XU CN209445383U (en) | 2018-11-24 | 2018-11-24 | Coking chemical industry tail gas processing unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209445383U true CN209445383U (en) | 2019-09-27 |
Family
ID=68012759
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821945591.XU Active CN209445383U (en) | 2018-11-24 | 2018-11-24 | Coking chemical industry tail gas processing unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209445383U (en) |
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2018
- 2018-11-24 CN CN201821945591.XU patent/CN209445383U/en active Active
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