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CN207973833U - It is used to prepare the retort of activated carbon fibre - Google Patents

It is used to prepare the retort of activated carbon fibre Download PDF

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Publication number
CN207973833U
CN207973833U CN201820252441.4U CN201820252441U CN207973833U CN 207973833 U CN207973833 U CN 207973833U CN 201820252441 U CN201820252441 U CN 201820252441U CN 207973833 U CN207973833 U CN 207973833U
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China
Prior art keywords
retort
charing
activated carbon
carbon fibre
condenser
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CN201820252441.4U
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Chinese (zh)
Inventor
陈保磊
孟庆锐
岳绍忠
李强
秦玲
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Qingdao Environmental Protection Technology Co Ltd Naboko
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Qingdao Environmental Protection Technology Co Ltd Naboko
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  • Carbon And Carbon Compounds (AREA)
  • Inorganic Fibers (AREA)

Abstract

The utility model belongs to carbonization device technical field, more particularly to a kind of retort being used to prepare activated carbon fibre, it is divided into multistage warm area in the charing furnace body, it is formed with charing chamber in each warm area, and it is formed with fireproof heat insulating divider wall between two neighboring charing chamber, the delivery port for being connected to each charing chamber is provided on the fireproof heat insulating divider wall, the both ends of the retort are respectively arranged with entrance and exit, each charing intracavitary be connected to there are one waste gas absorption pipe and an air inlet pipe, multiple waste gas absorption pipes pass through one end of the retort inlet porting and have been sequentially communicated condenser and wind turbine.The utility model retort via condenser after handling, condensable pyrolytic tar makes pyrolytic tar liquefaction discharge, while the nitrogen in gaseous mixture can continue to be used by air inlet pipe feeding charing cavity circulation by condenser output, to reduce nitrogen consumption, stablize charing furnace atmosphere.

Description

It is used to prepare the retort of activated carbon fibre
Technical field
The utility model belongs to carbonization device technical field more particularly to a kind of charing being used to prepare activated carbon fibre Stove.
Background technology
The i.e. fibrous activated carbon of activated carbon fibre (ACF), has because it is with big specific surface and developed pore structure High absorption property, ACF can be the forms such as felt, paper, specially-shaped body, be widely used in air purification, water purification, electronics member device The directions such as part, catalyst carrier.
Production equipment for activated carbon fibre includes catalyst impregnating mechanism, retort, activation furnace three parts composition.Have Machine fiber carries out Pintsch process in retort under inert atmosphere, non-carbon components gradually escapes, to obtain high carbon element content Carbon fibe, and obtain in subsequent activation process high specific surface and flourishing pore structure.
Usual retort is the tunnel-type of both ends open, and organic fiber is driven in stove with ceramic roller, completes entire cracking Process.Wherein Pintsch process gas complicated components, ingredient is close with coal tar, such as cannot in time be excluded out of retort, it will to The low-temperature space of retort is spread, and is condensed into liquid therewith, and dropping onto carbon fiber surface keeps Carbon fibe brittle, disconnected to occur It splits, can not ensure the continuity of production.
Exhaust outlet mostly is opened up in the side of retort or top under normal circumstances, and with mixed in air-introduced machine extraction retort Close gas, and keep being continually fed into for high pure nitrogen, to maintain the positive pressure environment in stove, will not outside air enter in stove and cause Organic fiber spontaneous combustion.The gaseous mixture of air-introduced machine discharge is the gaseous mixture of nitrogen and high temperature pyrolysis gas, is given up through mating as exhaust gas It is discharged after gas processing system.
Nitrogen gas generating system continue working is needed under the production model, to ensure enough nitrogen supply (NS)s, in addition low temperature nitrogen into Entering the temperature fluctuation that can be caused after retort in retort, required electrical heating radiant tube works under high-output power for a long time, The lost of life.The exhaust-gas treatment difficulty of low oxygen content is larger, easily causes environmental pollution.In addition the absorbing quantity fluctuation of waste discharge blower fan Or the supply variation of protection gas be easy to cause the raising of retort internal oxygen content, leads to raw material spontaneous combustion.
Utility model content
The utility model for the above technical issues, proposes a kind of retort being used to prepare activated carbon fibre.
In order to achieve the above object, the technical solution adopted in the utility model is:
A kind of retort being used to prepare activated carbon fibre, including furnace body is carbonized, it is divided into the charing furnace body more Grade warm area is each formed with charing chamber in the warm area, and is formed with fireproof heat insulating divider wall, institute between two neighboring charing chamber The delivery port being provided on fireproof heat insulating divider wall for being connected to each charing chamber is stated, the both ends of the retort are set respectively It is equipped with entrance and exit, is increased successively by the temperature of entrance to multiple warm areas of outlet, each charing intracavitary is communicated with One waste gas absorption pipe and an air inlet pipe, multiple waste gas absorption pipes pass through the retort inlet porting one end and according to Secondary to be communicated with condenser and wind turbine, the output end of the wind turbine is connected with the inlet end of multiple air inlet pipe, multiple described The outlet side of air inlet pipe is connected with the corresponding charing chamber.
The waste gas absorption pipe is by, through being purified by condenser, exhaust gas is nitrogen after the exhaust gas extraction of each charing intracavitary With the gaseous mixture of high temperature pyrolysis gas, wherein high temperature pyrolysis gas are containing tar flue gas.Due to tar in activated carbon fibre production process Main component is water, accounts for 85% of tar component or more, and in addition there are including acid, alcohol, ester, aldehyde, phenol, aromatic hydrocarbon More than 200 plant component, so the primary and foremost purpose of tar purifying equipment is the purification of water vapour.Therefore after being handled via condenser, Condensable pyrolytic tar, make pyrolytic tar liquefaction discharge, while the nitrogen in gaseous mixture can continue by condenser output by into Tracheae is sent into charing cavity circulation and is used, and to reduce nitrogen consumption, stablizes charing furnace atmosphere.The wherein described waste gas absorption pipe and Air inlet pipe is stainless steel screwed tube or stainless steel tube.
The exhaust gas generated in each warm area is cold through the feeding recirculated water cooling condenser progress of low temperature warm area by waste gas absorption pipe Solidifying, higher boiling pyrolysis gas is in a liquid state tar after cooling, imports storage tank and is collected.Condensed exhaust gas is sent again through wind turbine Enter into retort.
As preferred:The air inlet pipe is passed through by one end of retort inlet porting and stretches to each charing intracavitary.
As preferred:The bottom of the condenser is provided with pyrolytic tar floss hole.Condensation is provided on the condenser Water out and condensation water inlet.
As preferred:It is described charing intracavitary by entrance to outlet direction be arranged in order be provided with it is multiple for convey it is organic The live-roller of fiber, the live-roller and the delivery port are respectively positioned on same straight line, in order to by the organic fiber by entering Mouth is inputted and is exported by outlet after passing sequentially through multiple delivery ports.
As preferred:The quantity of the condenser is multiple, and is in series between multiple condensers.
As preferred:The air inlet of the waste gas absorption pipe and the gas outlet of the air inlet pipe are in rake cloth wind structure.
As preferred:It is connected with spray absorber between the condenser and wind turbine.
As preferred:Packing layer and nozzle are provided in the spray absorber, the nozzle is located at the top of packing layer, The nozzle is communicated with water tank by circulating pump, be provided on the spray absorber between the nozzle and packing layer exhaust gas into Mouthful, waste gas outlet, the exhaust gas inlet and the condenser are provided on the spray absorber below described filler layer Output end is connected, and the waste gas outlet is connect with the wind turbine.
Compared with prior art, it is with advantageous effect the advantages of the utility model:
1, the retort provided by the utility model for being used to prepare activated carbon fibre can be cold after being handled via condenser Solidifying pyrolytic tar makes pyrolytic tar liquefaction discharge, while the nitrogen in gaseous mixture can continue to pass through air inlet pipe by condenser output It is sent into charing cavity circulation to use, to reduce nitrogen consumption, stablizes charing furnace atmosphere.
2, the retort provided by the utility model for being used to prepare activated carbon fibre solves environmental issue from discharge source, And tar byproduct can be obtained.
3, the retort provided by the utility model for being used to prepare activated carbon fibre leads to the exhaust gas generated in each warm area It crosses waste gas absorption pipe and is sent into recirculated water cooling condenser through low temperature warm area and condensed, higher boiling pyrolysis gas is in a liquid state coke after cooling Oil imports storage tank and is collected, energy saving.
4, the retort provided by the utility model for being used to prepare activated carbon fibre makes in retort there are circulated air, to promote Make uniformity of temperature profile in each warm area.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram of the embodiment for the retort that the utility model is used to prepare activated carbon fibre;
Fig. 2 is the structural representation of the another embodiment for the retort that the utility model is used to prepare activated carbon fibre Figure;
In above each figure:1, furnace body is carbonized;2, chamber is carbonized;3, fireproof heat insulating divider wall;4, delivery port;5, entrance;6、 Outlet;7, waste gas absorption pipe;8, air inlet pipe;9, wind turbine;10, condenser;101, condensation-water drain;102, water inlet is condensed;11、 Pyrolytic tar floss hole;12, live-roller;13, spray absorber;14, packing layer;15, nozzle;16, water tank;17, exhaust gas inlet; 18, waste gas outlet;19, circulating pump.
Specific implementation mode
In the following, the utility model is specifically described by illustrative embodiment.It should be appreciated, however, that not having In the case of being further discussed below, element, structure and features in an embodiment can also be advantageously incorporated into other implementations In mode.
Embodiment:As shown in Figure 1, a kind of retort being used to prepare activated carbon fibre, including charing furnace body 1, it is described It is divided into multistage warm area in charing furnace body 1, charing chamber 2, and shape between two neighboring charing chamber 2 is formed in each warm area At there is fireproof heat insulating divider wall 3, the conveying for being connected to each charing chamber 2 is provided on the fireproof heat insulating divider wall 3 Mouthfuls 4, the both ends of the retort are respectively arranged with entrance 5 and outlet 6, by entrance 5 to multiple warm areas of outlet 6 temperature successively It increases, there are one waste gas absorption pipe 7 and an air inlet pipe 8, multiple waste gas absorption pipes for connection in each charing chamber 2 7 pass through the retort inlet porting 5 one end and be sequentially communicated condenser 10 and wind turbine 9, the output end of the wind turbine 9 with The inlet end of multiple air inlet pipe 8 is connected, and the outlet side of multiple air inlet pipe 8 is connected with the corresponding charing chamber 2 It is logical.
In the description of the present invention, it should be noted that term "inner", "outside", "upper", "lower", "front", "rear" etc. The orientation or positional relationship of instruction is position relationship based on ... shown in the drawings, is merely for convenience of description the utility model and simplification Description, does not indicate or imply the indicated device or element must have a particular orientation, with specific azimuth configuration and behaviour Make, therefore should not be understood as limiting the present invention.In addition, term " first ", " second ", " third " are only used for description mesh , it is not understood to indicate or imply relative importance.
Further as shown in Figure 1:The air inlet pipe 8 is passed through by one end of retort inlet porting 5 and stretches to each charing In chamber 2.The bottom of the condenser 10 is provided with pyrolytic tar floss hole 11.It is provided with condensation-water drain on the condenser 10 101 and condensation water inlet 102.Be arranged in order by the direction of entrance 5 to outlet 6 in the charing chamber 2 be provided with it is multiple for defeated The live-roller 12 of organic fiber is sent, the live-roller 12 is respectively positioned on the delivery port 4 on same straight line, in order to have described Machine fiber is inputted by entrance 5 and is passed sequentially through after multiple delivery ports 4 by 6 output of outlet.The quantity of the condenser 10 be it is multiple, And it is in series between multiple condensers 10.The air inlet of the waste gas absorption pipe 7 and the gas outlet of the air inlet pipe 8 are in rake Cloth wind structure.
Further as shown in Figure 2:Spray absorber 13 is connected between the condenser 10 and wind turbine 9.The spray is inhaled It receives in tower 13 and is provided with packing layer 14 and nozzle 15, the nozzle 15 is located at the top of packing layer 14, and the nozzle 15 is by following Ring pump 19 is communicated with water tank 16, and exhaust gas inlet 17 is provided on the spray absorber 13 between the nozzle 15 and packing layer 14, Waste gas outlet 18, the exhaust gas inlet 17 and the condensation are provided on the spray absorber 13 of 14 lower section of described filler layer The output end of device is connected, and the waste gas outlet 18 is connect with the wind turbine 9.
The use principle of the retort provided by the utility model for being used to prepare activated carbon fibre:
The waste gas absorption pipe 7 is by, through being purified by condenser 10, exhaust gas is after the exhaust gas extraction in each charing chamber 2 The gaseous mixture of nitrogen and high temperature pyrolysis gas, wherein high temperature pyrolysis gas are containing tar flue gas.Due in activated carbon fibre production process Tar main component is water, accounts for 85% of tar component or more, in addition there are including acid, alcohol, ester, aldehyde, phenol, aromatic hydrocarbon More than 200 plant component, so the primary and foremost purpose of tar purifying equipment is the purification of water vapour.Therefore it is handled via condenser 10 Afterwards, condensable pyrolytic tar makes pyrolytic tar liquefaction discharge, while the nitrogen in gaseous mixture can continue to be led to by the output of condenser 10 It crosses air inlet pipe 8 and is sent into recycling in charing chamber 2, to reduce nitrogen consumption, stablize charing furnace atmosphere.The wherein described exhaust gas is inhaled Closed tube 7 and air inlet pipe 8 are stainless steel screwed tube or stainless steel tube.The exhaust gas generated in each warm area is passed through into waste gas absorption Pipe 7 is sent into recirculated water cooling condenser 10 through low temperature warm area and is condensed, and higher boiling pyrolysis gas is in a liquid state tar after cooling, imports Storage tank is collected.Condensed exhaust gas is again fed to through wind turbine 9 in retort.
Such as between wind turbine 9 and condenser 10 be arranged spray absorber 13, then exhaust gas under the action of wind turbine according to above-mentioned It after step is handled via condenser 10, handles via spray absorber 13, conveys remaining nitrogen after removing residual organic substances Return charing intracavitary.
The retort provided by the utility model for being used to prepare activated carbon fibre can be cold after being handled via condenser 10 Solidifying pyrolytic tar makes pyrolytic tar liquefaction discharge, while the nitrogen in gaseous mixture can continue to pass through air inlet by the output of condenser 10 Pipe 8 is sent into charing chamber 2 and is recycled, and to reduce nitrogen consumption, stablizes charing furnace atmosphere, energy saving.From discharge source Environmental issue is solved, and tar byproduct can be obtained.

Claims (8)

1. a kind of retort being used to prepare activated carbon fibre, including charing furnace body, it is characterised in that:The charing furnace body Inside it is divided into multistage warm area, is formed with charing chamber in each warm area, and fireproof heat insulating is formed between two neighboring charing chamber Divider wall is provided with the delivery port for being connected to each charing chamber on the fireproof heat insulating divider wall, the retort Both ends are respectively arranged with entrance and exit, are increased successively by the temperature of entrance to multiple warm areas of outlet, each charing chamber Inside there are one waste gas absorption pipe and an air inlet pipe, multiple waste gas absorption pipes to pass through the retort inlet porting for connection One end and be sequentially communicated condenser and wind turbine, the output end of the wind turbine is connected with the inlet end of multiple air inlet pipe Logical, the outlet side of multiple air inlet pipe is connected with the corresponding charing chamber.
2. the retort according to claim 1 for being used to prepare activated carbon fibre, it is characterised in that:The air inlet pipe is by charcoal The one end for changing stove inlet porting passes through and stretches to each charing intracavitary.
3. the retort according to claim 1 for being used to prepare activated carbon fibre, it is characterised in that:The bottom of the condenser Portion is provided with pyrolytic tar floss hole.
4. the retort according to claim 1 for being used to prepare activated carbon fibre, it is characterised in that:The charing intracavitary by The direction of entrance to outlet be arranged in order is provided with it is multiple for conveying the live-rollers of organic fiber, the live-roller with it is described defeated Mouth is sent to be respectively positioned on same straight line, in order to be inputted and passed sequentially through after multiple delivery ports by going out by entrance by the organic fiber Mouth output.
5. the retort according to claim 1 for being used to prepare activated carbon fibre, it is characterised in that:The number of the condenser Amount is multiple, and is in series between multiple condensers.
6. the retort according to claim 1 for being used to prepare activated carbon fibre, it is characterised in that:The waste gas absorption pipe Air inlet and the air inlet pipe gas outlet be in rake cloth wind structure.
7. requiring the retort that 1~6 any one of them is used to prepare activated carbon fibre according to right, it is characterised in that:Institute It states and is connected with spray absorber between condenser and wind turbine.
8. the retort according to claim 7 for being used to prepare activated carbon fibre, it is characterised in that:The spray absorber It is inside provided with packing layer and nozzle, the nozzle is located at the top of packing layer, and the nozzle is communicated with water tank by circulating pump, institute It states and is provided with exhaust gas inlet on the spray absorber between nozzle and packing layer, the spray absorber being located at below described filler layer On be provided with waste gas outlet, the exhaust gas inlet is connected with the output end of the condenser, the waste gas outlet and the wind Machine connects.
CN201820252441.4U 2018-02-11 2018-02-11 It is used to prepare the retort of activated carbon fibre Active CN207973833U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112760753A (en) * 2021-01-18 2021-05-07 荣成碳纤维科技有限公司 Vertical low-temperature carbonization furnace and production process thereof

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112760753A (en) * 2021-01-18 2021-05-07 荣成碳纤维科技有限公司 Vertical low-temperature carbonization furnace and production process thereof
CN112760753B (en) * 2021-01-18 2023-01-17 荣成碳纤维科技有限公司 Vertical low-temperature carbonization furnace and production process thereof

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