CN207797076U - A kind of carbon fiber production emission-control equipment - Google Patents
A kind of carbon fiber production emission-control equipment Download PDFInfo
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- CN207797076U CN207797076U CN201721927995.1U CN201721927995U CN207797076U CN 207797076 U CN207797076 U CN 207797076U CN 201721927995 U CN201721927995 U CN 201721927995U CN 207797076 U CN207797076 U CN 207797076U
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- carbon fiber
- control equipment
- emission
- exhaust gas
- burning room
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
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Abstract
The utility model is related to carbon fiber production fields, and emission-control equipment is produced in particular to a kind of carbon fiber.The utility model provides a kind of carbon fiber production emission-control equipment, the exhaust gas for being used to generate in Treatment of Carbon production.A variety of harmful exhausts are will produce in carbon fiber production, direct emission not only pollutes environment and is also possible to that the blocking of smoke discharging pipe can be caused, carbon fiber production emission-control equipment is connect with low temperature carbonization furnace in the present embodiment, gas sampling is burned successively, is cooled down, dedusting and out of stock, finally exhaust gas up to standard is discharged.Carbon fiber production emission-control equipment both ensure that the continuity of production, in turn avoid pollution on the environment.
Description
Technical field
The utility model is related to carbon fiber production fields, and emission-control equipment is produced in particular to a kind of carbon fiber
Method.
Background technology
In polyacrylonitrile-radical (PAN) carbon fiber production process, including raw material purifying, polymerization, spinning, the finished product of spinning
PAN fiber is handled after pre-oxidation treatment, then through low temperature carbonization furnace and high temperature carbonization furnace, obtains carbon fiber.
A large amount of fixed gas is generated when being purified and being polymerize to raw material, these tail gas contain dimethyl sulfoxide (DMSO) and third
Alkene nitrile, if can cause environmental pollution without processing discharge and damaged to human body；Fiber is in low-temperature carbonization stage, pre-oxidation
Fiber occurs dehydration, dehydrogenation and main chain, side chain and terminal groups and decomposes, and H, O, N non-carbon element are with HCN, NH3、CO、CO2、H2、N2
And H2The modes such as O discharge, this stage preoxidized fiber weightlessness 40%~45%, these gaseous mixture high-temperature gas severe toxicity high pollutions,
It can just be discharged after must handling；The process of nitrogen is mainly removed in high temperature carbonization, and nitrogen is with N at 900~1500 DEG C2、
NH3It is removed with HCN.
Especially charing exhaust-gas treatment is incomplete, is deposited rapidly in exhaust piping, even results in exhaust piping blocking, clearly
The reason frequency is high, difficulty is big, and every batch of must dredge pipeline, increases down time influence yield, and do not carry further
The surplus of high production capacity.
In conclusion the research for producing the processing system of exhaust gas to carbon fiber optimizes charing exhaust-gas treatment effect,
Through the key factor as restriction carbon fiber yield.Meanwhile if the above-mentioned exhaust gas containing toxic and harmful gas of direct emission, influence
The air quality of ambient enviroment, in some instances it may even be possible to jeopardize the health of neighbouring resident.
Utility model content
The purpose of the utility model is to provide a kind of carbon fibers to produce emission-control equipment, is used to handle carbon fiber
The exhaust gas generated in dimension production.A variety of harmful exhausts are will produce in carbon fiber production, direct emission not only pollutes environment and is also possible to
It can cause the blocking of smoke discharging pipe, carbon fiber production emission-control equipment is connect with low temperature carbonization furnace in the present embodiment, by exhaust gas
Collection burned, cooled down successively, dedusting and out of stock, and finally exhaust gas up to standard is discharged.The carbon fiber produces emission-control equipment
Both the continuity that ensure that production, in turn avoids pollution on the environment.
What the embodiments of the present invention were realized in：
A kind of carbon fiber production emission-control equipment, the exhaust gas for being used to generate in Treatment of Carbon production comprising according to
Burning Room, cooling chamber, dirt pocket and the denitration chamber of secondary connection；
Burning Room includes combustion-supporting heat source；Heat-exchanger rig is equipped in cooling chamber；
Burning Room is connect with low temperature carbonization furnace.
Carbon fiber production emission-control equipment both ensure that the continuity of production, in turn avoid dirty caused by environment
Dye.
In a kind of embodiment of the utility model：
The carbon fiber production emission-control equipment of carbon fiber production further includes mixing chamber；Mixing chamber is connect with Burning Room；It is mixed
Room is closed to be configured to be passed through in Burning Room after mixing exhaust gas.
In a kind of embodiment of the utility model：
Exhaust gas includes electrolysis/heated-air drying exhaust gas, oxidation gaseous effluent, carbonizes in exhaust gas and purifying/polymerization fixed gas at least
It is a kind of.
In a kind of embodiment of the utility model：
Burning Room is connect by frequency conversion fan with cooling chamber.
In a kind of embodiment of the utility model：
The carbon fiber production emission-control equipment of carbon fiber production further includes air heat-exchange system；Air heat-exchange system with it is cold
But room connects；The one end of air heat-exchange system far from cooling chamber is connect with Burning Room.
In a kind of embodiment of the utility model：
It further include catalyst to burned in Burning Room；Catalyst to burned includes potassium element carbonate or potassium element hydroxide.
In a kind of embodiment of the utility model：
Dirt pocket is equipped with basket strainer and dust removal port；Dust removal port opens up and dirt pocket bottom.
In a kind of embodiment of the utility model：
Denitrating catalyst is equipped in denitration chamber；Denitrating catalyst includes alkali metal.
In a kind of embodiment of the utility model：
It further include incinerator wind turbine in Burning Room；Incinerator wind turbine is electrically connected with the furnace pressure control device in low temperature carbonization furnace
It connects.
In a kind of embodiment of the utility model：
The pipeline of carbon fiber production emission-control equipment is equipped with insulating layer.
The technical solution of the utility model at least has following advantageous effect：
The utility model provides a kind of carbon fiber production emission-control equipment, is used in Treatment of Carbon production generate
Exhaust gas.A variety of harmful exhausts are will produce in carbon fiber production, direct emission not only pollutes environment and is also possible to that smoke exhaust pipe can be caused
The blocking in road, carbon fiber production emission-control equipment is connect with low temperature carbonization furnace in the present embodiment, and gas sampling is carried out successively
It burns, is cooling, dedusting and out of stock, finally exhaust gas up to standard is discharged.Carbon fiber production emission-control equipment both ensure that production
Continuity, in turn avoid pollution on the environment.
Description of the drawings
It, below will be to required use in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment
Attached drawing be briefly described, it should be understood that the following drawings illustrates only some embodiments of the utility model, therefore should not be by
Regard the restriction to range as, for those of ordinary skill in the art, without creative efforts, may be used also
To obtain other relevant attached drawings according to these attached drawings.
Fig. 1 is the structural schematic diagram that carbon fiber produces emission-control equipment in the utility model embodiment 1；
Fig. 2 is the structural schematic diagram of dirt pocket in the utility model embodiment 1.
In figure：100- carbon fibers produce emission-control equipment；110- Burning Rooms；120- cooling chambers；130- dirt pockets；131-
Basket strainer；133- dust removal ports；140- denitration chambers；The combustion-supporting heat sources of 111-；121- heat-exchanger rigs；150- mixing chambers；160- frequency conversion wind
Machine；170- air heat-exchange systems；171- pipelines.
Specific implementation mode
It is new below in conjunction with this practicality to keep the purpose, technical scheme and advantage of the utility model embodiment clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Usually here described in attached drawing and
The component of the utility model embodiment shown can be arranged and be designed with a variety of different configurations.
Therefore, the detailed description of the embodiments of the present invention to providing in the accompanying drawings is not intended to limit requirement below
The scope of the utility model of protection, but it is merely representative of the selected embodiment of the utility model.Based in the utility model
Embodiment, every other embodiment obtained by those of ordinary skill in the art without making creative efforts, all
Belong to the range of the utility model protection.
It should be noted that：Similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined, then it further need not be defined and explained in subsequent attached drawing in a attached drawing.In addition, term " the
One ", " second " etc. is only used for distinguishing description, is not understood to indicate or imply relative importance.
In the description of the utility model embodiment, it should be noted that the instructions such as term "inner", "outside", "upper"
Orientation or positional relationship is to be based on the orientation or positional relationship shown in the drawings or when utility model product use usually puts
The orientation or positional relationship put, is merely for convenience of describing the present invention and simplifying the description, rather than indicates or imply and is signified
Device or element must have a particular orientation, with specific azimuth configuration and operation, therefore should not be understood as to this practicality
Novel limitation.
The research that the processing system of exhaust gas is produced to carbon fiber optimizes charing exhaust-gas treatment effect, has become restriction
The key factor of carbon filament yield.Meanwhile if the above-mentioned exhaust gas containing toxic and harmful gas of direct emission, can influence ambient enviroment
Air quality, in some instances it may even be possible to jeopardize the health of neighbouring resident.
For the deficiencies in the prior art, detailed description below is provided：
Embodiment 1
It is a kind of carbon fiber production emission-control equipment 100 provided in this embodiment with reference to figure 1, in figure, is used to handle
The exhaust gas generated in carbon fiber production.A variety of harmful exhausts are will produce in carbon fiber production, direct emission not only pollutes environment also
It is likely to result in the blocking of smoke discharging pipe, carbon fiber production emission-control equipment 100 is connect with low temperature carbonization furnace in the present embodiment,
Gas sampling is burned successively, is cooled down, dedusting and out of stock, finally by qualified discharge.The carbon fiber produces exhaust-gas treatment dress
100 continuitys that both ensure that production are set, pollution on the environment is in turn avoided.
What the carbon fiber production emission-control equipment 100 in the present embodiment was specifically realized in：
The carbon fiber production emission-control equipment 100 of carbon fiber production includes sequentially connected Burning Room 110, cooling chamber
120, dirt pocket 130 and denitration chamber 140.Burning Room 110 includes combustion-supporting heat source 111；Heat-exchanger rig 121 is equipped in cooling chamber 120,
Exhaust gas passes through Burning Room 110 and carries out completely burned successively, after being cooled down using heat-exchanger rig 121 subsequently into cooling chamber 120, enters
Dirt pocket 130 and denitration chamber 140 are dusted the decomposition with nitrogen oxides, finally reach discharge standard, are emitted into air.
Wherein Burning Room 110 is connect with low temperature carbonization furnace, by exhaust gas in low temperature carbonization furnace be passed directly into Burning Room 110 into
Row burning, solves fracture of wire problem caused by the waste discharge of low-temperature carbonization furnace, improves the yield and quality of carbon fiber product, reduces carbon
The production cost of fiber.
In actual production, exhaust gas includes not only the gas generated in low temperature carbonization furnace, and it is useless to increase carbon fiber production
The adaptability of Flash Gas Compression Skid System 100 increases exhaust treatment efficiency, and before being burnt into Burning Room 110, needing will be various useless
Gas is sufficiently mixed, therefore in the present embodiment, it further includes mixing chamber 150, mixing chamber 150 that carbon fiber, which produces emission-control equipment 100,
It is connect with Burning Room 110.Mixing chamber 150 is configured to after mixing exhaust gas, is passed through in Burning Room 110.Mixed gas exists
Subsequently entering in Burning Room 110 adequately to burn, and reduce pollution.
Further, a large amount of fixed gas is generated when being purified and being polymerize to raw material, these tail gas contain diformazan
Base sulfoxide and acrylonitrile, if can cause environmental pollution without processing discharge and damaged to human body；Fiber is in low-temperature carbonization
Stage, pre-oxidized fibers occur dehydration, dehydrogenation and main chain, side chain and terminal groups and decompose, and H, O, N non-carbon element are with HCN, NH3、
CO、CO2、H2、N2It is discharged with modes such as H2O, this stage preoxidized fiber weightlessness 40%~45%, these gaseous mixture high-temperature gas
Hypertoxic high pollution, it is necessary to can just be discharged after processing；The process of nitrogen is mainly removed in high temperature carbonization, at 900~1500 DEG C
Nitrogen is with N2、NH3It is removed with HCN.Therefore in the present embodiment, exhaust gas includes electrolysis/heated-air drying exhaust gas, oxidation gaseous effluent, charing
At least one of exhaust gas and purifying/polymerization fixed gas.In the present embodiment, according to the influence of actual production flow, exhaust gas packet
Include above-mentioned electrolysis/heated-air drying exhaust gas, oxidation gaseous effluent, charing exhaust gas and purifying/polymerization fixed gas.
After being burnt using combustion-supporting heat source 111 in Burning Room 110 after exhaust gas mixing, need high-temperature gas being passed through cold
But in room 120, in the present embodiment, Burning Room 110 is connect by frequency conversion fan 160 with cooling chamber 120.Frequency conversion fan 160 is
Device commonly used in the art, does not repeat excessively again.It should be noted that in other specific implementation modes, above-mentioned frequency conversion fan
160 can also utilize Negative pressure machine or air blower etc. and other devices to substitute.
In the present embodiment, in addition to the heat-exchanger rig 121 for cooling down to exhaust gases after combustion in cooling chamber 120, also
Including air heat-exchange system 170, which connect with cooling chamber 120, drives air to pass through cooling chamber 120, makes
Air themperature increases, while reducing the temperature of exhaust gases after combustion in cooling chamber 120.Air heat-exchange system 170 is far from cooling chamber 120
One end connect with Burning Room 110.Air is heated to 200-300 degrees Celsius after cooling chamber 120, a part of at this time
For air via pipeline 171 for oxidizing fresh air system, another part is passed through Burning Room 110 again, is used as combustion air.It will cool down
In waste heat bring into again in Burning Room 110, greatly saved burning says need fuel, ensure that the cycle of heat, section
The about cost of exhaust-gas treatment.
During making burning, the burning of exhaust gas is more complete, reduces the generation of nuisance, in the present embodiment,
Further include catalyst to burned in Burning Room 110, the substance in exhaust gas is accelerated by the catalyst to burned and is decomposed.Specifically,
Catalyst to burned includes potassium element carbonate or potassium element hydroxide.It should be noted that in other specific implementation modes,
Above-mentioned catalyst to burned can also be that other have the substance of brittle property, can be in addition, in other specific implementation modes
It is not provided with above-mentioned catalyst to burned.
After waste gas burning and cooling, into dirt pocket 130, in order to reduce the dust in exhaust gas to reach discharge mark
Standard in the present embodiment, is equipped with basket strainer 131 and dust removal port 133 with reference to figure 2 in dirt pocket 130.Make to give up using basket strainer 131
Dust-filtering in gas, in addition dust can be deposited on 130 bottom of dirt pocket under gravity.Dust removal port 133 is opened in dedusting
130 bottom of room.After entire carbon fiber production emission-control equipment 100 runs a period of time, operator can be directly by dedusting
Mouth 133 is opened, and is cleaned to dirt pocket 130.The dirt pocket 130 is good to dust-filtering effect, and convenient for cleaning, avoids cigarette
The case where dirt blocks, ensure that the serialization of production.
Contain a large amount of nitrogen oxides in the offgas, direct emission can influence the air quality of ambient enviroment, in some instances it may even be possible to endanger
Health of the evil to neighbouring resident.Therefore out of stock catalyst is additionally provided in denitration chamber 140, make to work as oxygen in exhaust gas using denitrating catalyst
Compound is decomposed, and is discharged after being up to state standards.In the present embodiment, out of stock catalyst includes alkali metal.In addition, specific at other
In embodiment, above-mentioned denitrating catalyst can also be other substances with out of stock effect.
In the present embodiment, further include incinerator wind turbine in Burning Room 110, carry out air feed using wind turbine and ensure entire carbon
Fiber produces the working efficiency of emission-control equipment 100.In order to realize intelligentized control method to whole device, ensure temperature field in furnace
And air flow method.Incinerator wind turbine is electrically connected with the furnace pressure control device in low temperature carbonization furnace.Specifically, by incinerator wind turbine
It is chain with furnace pressure control device in low temperature carbonization furnace, it is directly controlled in the controls.It should be noted that above-mentioned control
System is common device, can be microcontroller, PLC or microcomputer, select PLC to be controlled in the present embodiment.
In the present embodiment, entire carbon fiber production 100 pipeline of emission-control equipment is equipped with insulating layer, utilizes insulating layer
Ensure that heat loss is smaller when the flowing of exhaust gas in whole device, while energy saving, ensures the effect of exhaust-gas treatment.
Carbon fiber in the present embodiment produces emission-control equipment 100, both ensure that the continuity of production, and had in turn avoided
Pollution on the environment.In addition, the carbon fiber 100 intelligence degree of production emission-control equipment is high, low energy consumption, reduces enterprise
The cost of exhaust-gas treatment.
A kind of carbon fiber producing emission-control equipment 100 using above-mentioned carbon fiber that the present embodiment also provides produces useless
Gas disposal method is produced using above-mentioned carbon fiber at the exhaust gas generated during emission-control equipment 100 produces carbon fiber
Reason comprising following steps：
Step a：At least one in electrolysis/heated-air drying exhaust gas, oxidation gaseous effluent, charing exhaust gas and purifying/polymerization fixed gas
Kind, which is passed through in mixing chamber 150, to be mixed, and the first exhaust gas is obtained.
Step b：First exhaust gas is passed through in Burning Room 110, using combustion-supporting heat source 111 in Burning Room 110 to the first exhaust gas
It burns, the second exhaust gas is obtained after burning.
Step c：Second exhaust gas enters cooling chamber 120 under the drive of frequency conversion fan 160；Utilize heat-exchanger rig 121 and air
Heat-exchange system 170 cools down to the second exhaust gas, obtains third exhaust gas；Air heat-exchange system 170 obtains after cooling chamber 120
High-temperature gas each lead into oxidation fresh air system and Burning Room 110 in.
Step d：Third exhaust gas passes through dirt pocket 130 and denitration chamber 140 successively；Basket strainer 131 is by third in dirt pocket 130
It is deposited in after dust-filtering in dirt pocket 130 in exhaust gas；Third exhaust gas is in denitration chamber 140 by under the catalysis of denitrating catalyst
Three nitrogen oxides of exhaust gas obtain the 4th exhaust gas after being decomposed.
Step e：4th exhaust gas can be discharged after reaching discharge standard by chimney.
The waste gas processing method is with strong points, and whole process is controllable, can be good at generating in producing carbon fiber
Exhaust gas handled, environmental protection and low energy consumption.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (10)
1. a kind of carbon fiber produces emission-control equipment, the exhaust gas for being used to generate in Treatment of Carbon production, it is characterised in that：
The carbon fiber production emission-control equipment of the carbon fiber production includes sequentially connected Burning Room, cooling chamber, dirt pocket
And denitration chamber；
The Burning Room includes combustion-supporting heat source；Heat-exchanger rig is equipped in the cooling chamber；
The Burning Room is connect with low temperature carbonization furnace.
2. a kind of carbon fiber according to claim 1 produces emission-control equipment, it is characterised in that：
The carbon fiber production emission-control equipment of the carbon fiber production further includes mixing chamber；The mixing chamber and the Burning Room
Connection；The mixing chamber is configured to be passed through in the Burning Room after mixing exhaust gas.
3. a kind of carbon fiber according to claim 2 produces emission-control equipment, it is characterised in that：
The exhaust gas includes electrolysis/heated-air drying exhaust gas, oxidation gaseous effluent, carbonizes in exhaust gas and purifying/polymerization fixed gas at least
It is a kind of.
4. a kind of carbon fiber according to claim 1 produces emission-control equipment, it is characterised in that：
The Burning Room is connect by frequency conversion fan with the cooling chamber.
5. a kind of carbon fiber according to claim 1 produces emission-control equipment, it is characterised in that：
The carbon fiber production emission-control equipment of the carbon fiber production further includes air heat-exchange system；The air heat-exchange system
It is connect with the cooling chamber；The one end of the air heat-exchange system far from the cooling chamber is connect with the Burning Room.
6. a kind of carbon fiber according to claim 1 produces emission-control equipment, it is characterised in that：
Further include catalyst to burned in the Burning Room；The catalyst to burned includes potassium element carbonate or potassium element hydroxide
Object.
7. a kind of carbon fiber according to claim 1 produces emission-control equipment, it is characterised in that：
The dirt pocket is equipped with basket strainer and dust removal port；The dust removal port opens up and the dirt pocket bottom.
8. a kind of carbon fiber according to claim 1 produces emission-control equipment, it is characterised in that：
Denitrating catalyst is equipped in the denitration chamber；The denitrating catalyst includes alkali metal.
9. a kind of carbon fiber according to claim 1 produces emission-control equipment, it is characterised in that：
It further include incinerator wind turbine in the Burning Room；The incinerator wind turbine is filled with the controling of the pressure of the oven in the low temperature carbonization furnace
Set electrical connection.
10. a kind of carbon fiber according to claim 1 produces emission-control equipment, it is characterised in that：
The pipeline of the carbon fiber production emission-control equipment is equipped with insulating layer.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201721927995.1U CN207797076U (en) | 2017-12-29 | 2017-12-29 | A kind of carbon fiber production emission-control equipment |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201721927995.1U CN207797076U (en) | 2017-12-29 | 2017-12-29 | A kind of carbon fiber production emission-control equipment |
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| CN207797076U true CN207797076U (en) | 2018-08-31 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108072039A (en) * | 2017-12-29 | 2018-05-25 | 河南永煤碳纤维有限公司 | A kind of carbon fiber production emission-control equipment and method |
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- 2017-12-29 CN CN201721927995.1U patent/CN207797076U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108072039A (en) * | 2017-12-29 | 2018-05-25 | 河南永煤碳纤维有限公司 | A kind of carbon fiber production emission-control equipment and method |
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