CN202297141U - Carbonization and activation integrated furnace - Google Patents

Carbonization and activation integrated furnace Download PDF

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Publication number
CN202297141U
CN202297141U CN2011202852192U CN201120285219U CN202297141U CN 202297141 U CN202297141 U CN 202297141U CN 2011202852192 U CN2011202852192 U CN 2011202852192U CN 201120285219 U CN201120285219 U CN 201120285219U CN 202297141 U CN202297141 U CN 202297141U
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China
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section
activation
carbonization
charing
flue gas
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Withdrawn - After Issue
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CN2011202852192U
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Chinese (zh)
Inventor
张毅
刘振强
何鹏
苗文华
陶晓东
张旭辉
贾超雄
石长江
顾全文
白中华
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BEIJING GUONENG PUHUA ENVIRONMENTAL ENGINEERING TECHNOLOGY Co Ltd
Beijing Guodian Futong Science and Technology Development Co Ltd
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BEIJING GUONENG PUHUA ENVIRONMENTAL ENGINEERING TECHNOLOGY Co Ltd
Beijing Guodian Futong Science and Technology Development Co Ltd
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Priority to CN2011202852192U priority Critical patent/CN202297141U/en
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/30Hydrogen technology
    • Y02E60/36Hydrogen production from non-carbon containing sources, e.g. by water electrolysis

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Abstract

The utility model relates to a carbonization and activation integrated furnace, which sequentially comprises a drying section, a carbonization section and an activation section from top to bottom, wherein the drying section is used for drying feed coal and discharging cold flue gas; the carbonization section is used for carbonizing the dried feed coal and discharging raw gas; and the activation section is used for activating the carbonized material which is subjected to carbonization and discharging water gas, is sealed from oxygen and is provided with a carbonization section combustor; and the carbonization section combustor is used for combusting the raw gas discharged by the carbonization section and conveying high-temperature flue gas produced by the combustion to the carbonization section through a gas distribution device. According to the carbonization and activation integrated furnace provided by the utility model, the carbonization is sealed from oxygen, the independent combustor is additionally arranged, and self-produced raw gas provides heat for carbonization of the high-temperature flue gas produced by the combustion, so that the loss of fixed carbon is avoided, and the yield of activated carbon/coke is improved.

Description

Carbonization-activation integral furnace
Technical field
The utility model relates to a kind of activated carbon/burnt production unit, relates in particular to a kind of all-in-one oven that is used for carbonization-activation continuous production activated carbon/Jiao.
Background technology
Because the needs of industrial expansion and people's lives, gac/Jiao has got into the every field of national economy, and is also increasing to gac/Jiao's demand.At present, gac/Jiao's preparation stove mainly contains two kinds of type of furnaces, and one is Stepple furnace, mainly in China application is arranged, and it is for being interrupted the mode of production, and the separate unit treatment capacity is low, has only the hundreds of ton every year; Another kind is a multiple hearth furnace, is derived from the U.S., and this stove is the type of furnace that generally adopts in the world at present.The body of heater shell of multiple hearth furnace is cylindrical, is rolled by general steel plate to form; Inner lining refractory.With heterotypic fire brick or common refractory brick masonry heater bed structure and make stove be partitioned into multistage (many thoraxes), every section siege respectively around siege and/or middle section material falling hole is set; Solid materials stirs, enters next section siege by the stirrer gear (rake teeth) that is installed on the slow speed of revolution (0.5-3rpm) the hub agitating arm (rake arm) by lateral on the siege inboard (on lower floor's siege then by the inboard laterally) step by step.Solid materials contacts with the combustion gases convection current.Hub and rake arm, rake teeth are by ad hoc cooling blower air feed, pressure cooling.This stove design is comparatively complicated, and very high to equipment requirements such as hub, rake teeths, and China does not still have working ability at present.Above-mentioned two kinds of type of furnaces all can only be accomplished activation, can't accomplish charing and activation simultaneously, so all there is the inefficient shortcoming of Btu utilization.
Chinese patent document CN201250104Y discloses a kind of carbonization-activation integral furnace, and it is dried raw material in preheating chamber, and the combustion parts raw material provides charing required energy in coking chamber, and raw material gets into activating chamber's activation and obtains activated carbon product after the charing.Though high-temperature flue gas such as the carbonic acid gas that the coking chamber burning is produced, carbon monoxide have obtained utilization again through heat accumulation chamber, preboiler etc.; But the heat at coking chamber is obtained by the combustion parts raw material; Itself just reduce the content of fixed carbon in the raw material, thereby reduced the productive rate of activated carbon.In addition, specific to brown coal or other low-rank coal, its carbon content was just low originally, if after burning with this equipment, fixed carbon content can further reduce, and its gac output will be very low.Therefore, the needs design is a kind of does not need the carbonization-activation integral furnace of combustion material to improve activated carbon/Jiao's productive rate in the charing stage.
Chinese patent document CN101691493A discloses a kind of external combustion internally heated coal carbonization furnace; Comprise dryer section, retort section and cooling section from top to bottom successively; Wherein dryer section is provided with the drying and burning device; Retort section is provided with the destructive distillation burner, and it utilizes the coal seam of undried being handled through the waste heat of cooling layer flue gas to carry out preheating, thereby has improved dry distillation of coal efficient.Though this gas retort retort section is provided with the destructive distillation burner, produce and to be used for the destructive distillation flue gas that destructive distillation is handled, because it only comprises three sections of dryer section, retort section and cooling sections, therefore can't be used to produce activated carbon/Jiao.
The utility model content
The utility model is to be solved to be that existing carbonization-activation integral furnace needs combustion material in the charing stage, causes the fixed carbon loss, and the technical problem that activated carbon/coke yield is low provides a kind of carbonization-activation integral furnace that need not the combustion material coal in the charing section.
For solving the problems of the technologies described above, the utility model provides a kind of carbonization-activation integral furnace, comprises successively from top to bottom: be used for feed coal is carried out drying treatment, discharge the dryer section of cold flue gas; Be used for handling, discharge the charing section of raw gas carrying out charing through the feed coal after the drying treatment; Be used for the carbonized material after handling through charing is carried out activation treatment, the activation section of drainage water coal gas; Said charing section oxygen barrier sealing, and be provided with the said raw gas that the said charing section of burning is discharged, the high-temperature flue gas that burning produces is delivered to the charing section burner in the said charing section through distribution device.
Said charing section burner embeds in the furnace wall of said all-in-one oven.
Be connected with the raw gas purification system that the raw gas that the charing section is produced carries out purifying treatment between said charing section and the charing section burner.
The carbonization-activation integral furnace of the utility model also is provided with the high-temperature flue gas that part raw gas of handling through the raw gas purification system and said charing section burner are discharged to be mixed and then is delivered to the coal gas gas distribution pipeline in the said charing section through distribution device.
At the said raw gas that also is connected with between said raw gas purification system and the said dryer section after combustion parts purifies through said raw gas purification system; The high-temperature flue gas that burning produces is delivered to the dryer section burner in the said dryer section through distribution device, and said dryer section burner embeds in the said furnace wall of said all-in-one oven.
The carbonization-activation integral furnace of the utility model also is provided with the high-temperature flue gas that the part cold flue gas that produces in the dryer section and said drying and burning device are discharged to be mixed and then is delivered to the flue gas gas distribution pipeline in the said dryer section through distribution device.
Said activation section is connected with the steam boiler that is used to provide the required activated media of activation section, between steam boiler and activation section, is connected with the water vapour pipeline.
Also be connected with the activation section burner between said raw gas purification system and the said activation section, said activation section burner embeds in the said furnace wall of said all-in-one oven; Be delivered to the distribution register in the activation section after between activation section burner and water vapour pipeline, also being connected with the high-temperature flue gas that the activation section burner is discharged and the water vapour that steam boiler is discharged being mixed.
Said dryer section burner, said charing section burner, said activation section burner and said steam boiler also are connected with air line, are connected with air-blaster on the said air line.
Be connected with the cold flue gas blow-down pipe on the said dryer section.
Also be connected with water dust scrubber on the said cold flue gas blow-down pipe.
The technique scheme of the utility model is compared prior art and is had the following advantages:
1, independent burner is set up in the charing section oxygen barrier of the utility model carbonization-activation integral furnace sealing, and self-produced raw gas burns therein, and to produce high-temperature flue gas be that charing provides heat, thereby avoided the loss of fixed carbon, improved activated carbon/Jiao's productive rate.
2, charing section burner, dryer section burner, the activation section burner of the utility model carbonization-activation integral furnace directly embed in the furnace wall, can reduce calorific loss, save pipeline.
3, be connected with the raw gas purification system between the charing section of the utility model carbonization-activation integral furnace and the charing section burner, can remove dust, prevent line clogging, reclaim coal tar simultaneously.
4, the utility model carbonization-activation integral furnace mixes through the high-temperature flue gas of coal gas gas distribution pipeline with part raw gas that produces in the raw gas purification system and the discharge of said charing burner, the temperature of control charing section.
5, the dryer section of the utility model carbonization-activation integral furnace is provided with independent burner, adopts the elevated temperature heat flue gas as thermal source, is not taking place under the pyrolytic situation, and temperature is high as far as possible, can accelerate the rate of drying of coal so to the full extent; Simultaneously,, do not mix, raw gas purity is greatly enhanced, and then improves its calorific value with the raw gas that the charing section produces because the useless flue gas that dryer section produces discharges separately; In addition, can also reduce the aftertreatment load greatly, improve the output of separate unit stove.Its flue gas is that the high-temperature flue gas that the self produced gas burning produces mixes 500-600 ℃ the flue gas that the back produces with its outlet cold smoke gas phase.Adopt the cold flue gas air distribution both can guarantee that dryer section was safe and reliable, contain than juicy owing in the cold flue gas simultaneously, thereby improve its specific heat, the air distribution amount is reduced, then required caliber is less, reaches saving tubing, the purpose that reduces cost.
Description of drawings
For the content that makes the utility model is more clearly understood, below according to the specific embodiment of the utility model and combine accompanying drawing, the utility model is done further detailed explanation, wherein:
Fig. 1 is the structural representation of a kind of embodiment of carbonization-activation integral furnace of the utility model;
Reference numeral is expressed as: the 1-coal bunker; The 2-dryer section; 3-charing section; The 4-activation section; 5-dryer section burner; 6-charing section burner; 7-raw gas purification system; The 8-air-blaster; The 9-smoke induced draught fan; The 10-water dust scrubber; 11-flue gas gas distribution pipeline; The 12-air line; 13-flue gas blow-down pipe; 14-coal gas gas distribution pipeline; The 15-steam boiler; 16-water vapour pipeline; 17-activation section burner; 18-distribution register.
Embodiment
Fig. 1 has shown a kind of embodiment of the utility model carbonization-activation integral furnace, and a kind of carbonization-activation integral furnace comprises from top to bottom successively: be used for feed coal is carried out drying treatment, discharge the oxygen barrier hermetically drying section 2 of cold flue gas; Be used for handling, discharge the charing section 3 of raw gas carrying out charing through the feed coal after the drying treatment; Be used for the carbonized material after handling through charing is carried out activation treatment, the oxygen barrier sealing activation section 4 of drainage water coal gas; Said charing section 3 oxygen barriers sealing, and be provided with the said raw gas that the said charing section 3 of burning is discharged, the high-temperature flue gas that burning produces is delivered to the charing section burner 6 in the said charing section 3 through distribution device.Said distribution device comprises at least one horizontally disposed gas distribution pipe, is respectively arranged with a plurality of qi-emitting holes on two sidewalls of this gas distribution pipe, and is less near the said qi-emitting hole of said qi-emitting hole inlet end.Because independent burner is set up in charing section oxygen barrier sealing, self-produced raw gas burns therein, and to produce high-temperature flue gas be that charing provides heat, thereby avoided the loss of fixed carbon, improved activated carbon/Jiao's productive rate.
Said charing section burner 6 embeds in the furnace wall of said all-in-one oven, can reduce calorific loss, save pipeline.
Be connected with the raw gas purification system 7 that the raw gas that charing section 3 is produced carries out purifying treatment between said charing section 3 and the charing section burner 6, can remove dust, prevent line clogging, reclaim coal tar simultaneously.
The carbonization-activation integral furnace of the utility model also is provided with and is delivered in the said charing section 3 through distribution device after the high-temperature flue gas that part raw gas of handling through raw gas purification system 7 and said charing section burner 6 are discharged mixes, controls the coal gas gas distribution pipeline 14 of the temperature of charing section.
Between said raw gas purification system 7 and said dryer section 2, also be connected with the said raw gas that the said raw gas purification system 7 of burning is discharged; The high-temperature flue gas that burning produces mixes the back and is delivered to the dryer section burner 5 in the said dryer section 2 through distribution device with cold flue gas; Said dryer section burner 5 directly embeds furnace wall; Can accelerate the rate of drying of coal so to the full extent, improve raw gas purity greatly, and then improve its calorific value; Can also reduce simultaneously the aftertreatment load greatly, improve the output of separate unit stove.Its flue gas is that the high-temperature flue gas that the self produced gas burning produces mixes 500-600 ℃ the flue gas that the back produces with its outlet cold smoke gas phase.Adopt the cold flue gas air distribution both can guarantee that dryer section was safe and reliable, contain than juicy owing in the cold flue gas simultaneously, thereby improve its specific heat, the air distribution amount is reduced, then required caliber is less, reaches saving tubing, the purpose that reduces cost.
The carbonization-activation integral furnace of the utility model also is provided with the high-temperature flue gas that part cold flue gas that produces in the dryer section 2 and said drying and burning device 5 are discharged to be mixed and then is delivered to the flue gas gas distribution pipeline 11 in the said dryer section 2 through distribution device.Said activation section 4 is connected with the steam boiler 15 that is used to provide the required activated media of activation section 4, between steam boiler 15 and activation section 4, is connected with water vapour pipeline 16.Between said raw gas purification system 7 and said activation section 4, also be connected with activation section burner 17,, said activation section burner 17 directly embeds furnace wall; Be delivered to the distribution register 18 in the activation section 4 after between activation section burner 17 and water vapour pipeline 16, also being connected with the high-temperature flue gas that activation section burner 17 is discharged and the water vapour that steam boiler 15 is discharged being mixed, can reduce calorific loss, save pipeline; Because basic oxygen-free gas in the high-temperature flue gas that activation section burner 17 is discharged; Feed in the activation section 4 as acvator; Can avoid the semicoke that burns; Bubbling air is as acvator in the prior art, and the carbonization-activation integral furnace of the utility model can avoid burning carbon, significantly reduces the loss of fixed carbon.Said dryer section burner 5, said charing section burner 6, said activation section burner 17 and said steam boiler 15 also are connected with air line 12; Be connected with air-blaster 8 on the said air line 12, to said dryer section burner 5, said charing section burner 6, said activation section burner 17 and said steam boiler 15 combustion air be provided respectively.Be connected with cold flue gas blow-down pipe 13 on the said dryer section 2.Also be connected with water dust scrubber 10 on the said cold flue gas blow-down pipe 13.Said flue gas blow-down pipe 13 also is connected with smoke induced draught fan 9 near dryer section 2 one sides.Said dryer section 2 tops also are provided with coal bunker 1.
When using the utility model, feed coal gets into dryer section 2 from coal bunker 1, is heated to certain temperature by the mixed flue gas of hot flue gas after via the cold flue gas temperature adjustment herein, to remove moisture wherein; Dried raw material continues to be advanced into charing section 3 down, and in this section, raw material is heated to certain temperature by the mixed gas of hot flue gas after via the cooled coal gas temperature adjustment, and the generation carbonization reaction, removes fugitive constituent, forms certain hole, for activation creates conditions; The raw gas of this section generation is sent to dryer section 2, charing section 3 and activation section 4 behind cleaning treatment system 7, think that its reaction provides heat.Be advanced into activation section 4 under material after the completion charing continues, and, finally form qualified product by steam activation.The water-gas of this section generation is sent to the steam boiler burning, and the steam part of generation is melted down personal, and a part is outer to be supplied.
Obviously, the foregoing description only be for explanation clearly done for example, and be not qualification to embodiment.For the those of ordinary skill in affiliated field, on the basis of above-mentioned explanation, can also make other multi-form variation or change.Here need not also can't give exhaustive to all embodiments.And conspicuous variation of being extended out thus or change still are among the protection domain of the invention.

Claims (13)

1. carbonization-activation integral furnace comprises from top to bottom successively:
Be used for feed coal is carried out drying treatment, discharge the dryer section (2) of cold flue gas;
Be used for handling, discharge the charing section (3) of raw gas carrying out charing through the feed coal after the drying treatment;
Be used for the carbonized material after handling through charing is carried out activation treatment, the activation section of drainage water coal gas (4);
It is characterized in that: said charing section (3) oxygen barrier seals, and is provided with the charing section burner (6) of the said raw gas of the said charing section of burning (3) discharge, and the high-temperature flue gas that burning produces is delivered in the said charing section (3) through distribution device.
2. carbonization-activation integral furnace according to claim 1 is characterized in that: said charing section burner (6) embeds in the furnace wall of said all-in-one oven.
3. carbonization-activation integral furnace according to claim 2 is characterized in that: be connected with the raw gas purification system (7) that the raw gas that charing section (3) is produced carries out purifying treatment between said charing section (3) and the charing section burner (6).
4. carbonization-activation integral furnace according to claim 3 is characterized in that: also be provided with and be delivered to the coal gas gas distribution pipeline (14) in the said charing section (3) through distribution device after the high-temperature flue gas that the part raw gas and the said charing section burner (6) of process raw gas purification system (7) processing are discharged mixes.
5. carbonization-activation integral furnace according to claim 3; It is characterized in that: at the said raw gas that also is connected with between said raw gas purification system (7) and the said dryer section (2) after combustion parts purifies through said raw gas purification system (7), and the high-temperature flue gas of the generation of will burning is delivered to the dryer section burner (5) of said dryer section (2) through distribution device; Said dryer section burner (5) embeds in the said furnace wall of said all-in-one oven.
6. carbonization-activation integral furnace according to claim 5 is characterized in that: also be provided with and be delivered to the flue gas gas distribution pipeline (11) in the said dryer section (2) through distribution device after the high-temperature flue gas that the part cold flue gas and the said drying and burning device (5) of generation in the dryer section (2) are discharged mixes.
7. carbonization-activation integral furnace according to claim 3; It is characterized in that: said activation section (4) is connected with the steam boiler (15) that is used to provide the required activated media of activation section (4), between steam boiler (15) and activation section (4), is connected with water vapour pipeline (16).
8. carbonization-activation integral furnace according to claim 7; It is characterized in that: between said raw gas purification system (7) and said activation section (4), also be connected with activation section burner (17), said activation section burner (17) embeds in the said furnace wall of said all-in-one oven; Be delivered to the distribution register (18) in the activation section (4) after between activation section burner (17) and water vapour pipeline (16), also being connected with the high-temperature flue gas that activation section burner (17) is discharged and the water vapour that steam boiler (15) is discharged being mixed.
9. according to claim 5 or 6 described carbonization-activation integral furnaces, it is characterized in that: said dryer section burner (5) also is connected with air line (12), is connected with air-blaster (8) on the said air line (12).
10. according to any described carbonization-activation integral furnace among the claim 1-8, it is characterized in that: said charing section burner (6) also is connected with air line (12), is connected with air-blaster (8) on the said air line (12).
11. carbonization-activation integral furnace according to claim 8 is characterized in that: said activation section burner (17) also is connected with air line (12), is connected with air-blaster (8) on the said air line (12).
12. according to claim 7 or 8 described carbonization-activation integral furnaces, it is characterized in that: said steam boiler (15) also is connected with air line (12), is connected with air-blaster (8) on the said air line (12).
13., it is characterized in that: be connected with cold flue gas blow-down pipe (13) on the said dryer section (2) according to any described carbonization-activation integral furnace among the claim 1-8; Also be connected with water dust scrubber (10) on the said cold flue gas blow-down pipe (13).
CN2011202852192U 2011-08-08 2011-08-08 Carbonization and activation integrated furnace Withdrawn - After Issue CN202297141U (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102295282A (en) * 2011-08-08 2011-12-28 北京国电富通科技发展有限责任公司 Carbonization and activation integral furnace
CN105126759A (en) * 2015-09-18 2015-12-09 泰州市天平化工有限公司 Petrifaction and activation integrated furnace
CN106995710A (en) * 2017-05-25 2017-08-01 北京神雾电力科技有限公司 The method of fine coal dry thermal cracking integrated reactor and processing fine coal
CN111533128A (en) * 2020-05-15 2020-08-14 中天超容科技有限公司 Preparation device and preparation method of activated carbon for supercapacitor

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102295282A (en) * 2011-08-08 2011-12-28 北京国电富通科技发展有限责任公司 Carbonization and activation integral furnace
CN102295282B (en) * 2011-08-08 2015-11-04 北京国电富通科技发展有限责任公司 Carbonization-activation integral furnace
CN105126759A (en) * 2015-09-18 2015-12-09 泰州市天平化工有限公司 Petrifaction and activation integrated furnace
CN106995710A (en) * 2017-05-25 2017-08-01 北京神雾电力科技有限公司 The method of fine coal dry thermal cracking integrated reactor and processing fine coal
CN111533128A (en) * 2020-05-15 2020-08-14 中天超容科技有限公司 Preparation device and preparation method of activated carbon for supercapacitor

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Granted publication date: 20120704

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