CN201793373U - Moving bed carbonization (activation) furnace suitable for producing activated carbon from granular materials - Google Patents
Moving bed carbonization (activation) furnace suitable for producing activated carbon from granular materials Download PDFInfo
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- CN201793373U CN201793373U CN2010202012335U CN201020201233U CN201793373U CN 201793373 U CN201793373 U CN 201793373U CN 2010202012335 U CN2010202012335 U CN 2010202012335U CN 201020201233 U CN201020201233 U CN 201020201233U CN 201793373 U CN201793373 U CN 201793373U
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Abstract
The utility model discloses a moving bed carbonization (activation) furnace for producing activated carbon, which comprises a furnace core, a furnace outer wall and a discharging mechanism, wherein the furnace core part is formed by building cone-shaped carbonization (activation) pipes (10), the cross sections of a carbonization (activation) channel comprising the carbonization (activation) pipes at different height positions are in annular structures with different sizes, and materials move in a curved form from top to bottom in the carbonization (activation) channel, consequentially, the positions of the materials in the carbonization (activation) channel continuously change, and contact surfaces of the materials with activation media continuously change so as to improve activation effects. Combustion chambers (5), (7), (14) and (16) are arranged between the furnace core and the furnace outer wall, and combustible gas generated in the carbonization (activation) process is respectively led to all combustion chambers on the middle lower portion of the carbonization (activation) furnace from a central exhaust pipe (11) for combustion to heat the carbonization (activation) pipes. The discharging mechanism comprises a discharging pipe (3), a discharging rotary harrow (2), a speed adjusting motor and a speed reducing mechanism, and realizes continuous discharging.
Description
One, technical field
The utility model relates to the equipment of preparing active carbon, especially is fit to the moving-bed charing or the activation furnace of feed particulate material preparing active carbon.
Two, technical background
Wood materials such as bamboo wooden unit, fruit stone shell require that raw material is at high temperature carried out charing when producing carbonized material or gac with the physics method and make charcoal, or carbonized material makes activated carbon product through high-temperature activation technology again, and charring furnace and activation furnace are two kinds of key equipments producing bamboo charcoal, fruit shell carbon or produce corresponding activated carbon product.At present, the charing equipment that is fit to feed particulate material such as bamboo wooden unit, fruit stone shell has vertical interior hot moving-bed continuous carbonization charring furnace, it exists charging/discharging device requirement height, and troublesome poeration, as unload the charcoal device, on the one hand charcoal is discharged out of the furnace, guarantee stopping property on the other hand again, can not allow the interior inflammable gas of stove spill, just must adopt the charcoal device that unloads of three gates to operate step by step, both bother also and broken down easily; Be exactly the cost height of equipment more again, investment is big.The patent No. is that ZL200410075047.0's " method and apparatus of the internal combustion self-heating moving bed dry distillation charring " patent of invention and the patent No. are charing method and the equipment that the utility model patent of ZL02247392.0 discloses the bamboo wood raw material, these two kinds of charring furnaces all are to utilize the negative pressure in the stove to suck air or feed an amount of air with blower fan in stove, make the gas fuel burning that produces in the charing pyrolytic process, for carbonization process provides heat, burned flame directly contacts with the material for the treatment of charing, will burn the material for the treatment of charing as air capacity control is improper, be difficult to an amount of air of control, exist the possibility that material is burnt.
At present, the activation equipment that feed particulate material physics method is produced gac mainly contains following several: Slapple activating furnace, and it exists, and energy consumption height, investment are big, the time of blowing out or startup is long, shortcomings such as maintenance difficult; The patent No. is that CN86107032's " venetian blind type absorbent charcoal activation furnace and activation method " and the patent No. is that the combustion chamber that " swash plate moving-bed activation furnace " related activation equipment of CN85103470 all exists activation furnace is built into by a variety of refractory brick, complex structure, build by laying bricks or stones and have relatively high expectations, the construction trouble, the combustion chamber brick that has damages easily, work-ing life is shorter, and, all there is a common shortcoming in these two kinds of activation furnaces, and to be heating mediums such as stack gas directly contact with material to be activated, the meeting contaminated material, when making fuel with coal, coal ash in the stack gas can be brought in the activated material, increase the load of pickling and rinsing, can increase the ash oontent of activated carbon product simultaneously; The main part of multitube activation furnace is made up of columnar activation tube, exists inhomogeneous, the shortcomings such as activation tube damages easily, work-ing life is long, maintenance intervals time weak point of activation quality of center and peripheral material; Present more advanced rake formula activation furnace, the material of a lot of parts had both required to have enough physical strengths under the high temperature of about 900 ℃ of activation temperatures, had good oxidation-resistance again, and very high to the requirement of material, material is very expensive, and the cost of equipment is very high.Produce at present the present situation explanation exploitation charing of the charing of gac and activation equipment and activation effect is good, contaminated material, cost is low, easy to operate, energy consumption is low charing and activation equipment are not very important heating medium, the utility model provides charing of a kind of novel vertical moving-bed or activation furnace, it have simple in structure, cost is lower, energy consumption is economized, heating medium can contaminated material, easy to operate, realize the machinery characteristics of discharging continuously.It both can be used as charing equipment, and the particulate state wood material is made carbonized material, also can be used as activation equipment, and wooden or ature of coal carbonized material are made activated carbon product with the steam activation method, and this stove also can be used as the activation furnace of chemical making granular activated carbon.
Three, utility model content
The utility model provides a kind of moving-bed charing or activation furnace of feed particulate material preparing active carbon, and this charing or activation furnace are made up of combustion chamber and stove exterior wall and discharging mechanism.The combustion chamber part is built by laying bricks or stones by the charcoal with refractory materials system (work) the change pipe (10) of truncated cone-shaped and is formed.The cross section of charcoal (work) change road in the different heights position of being changed the pipe formation by charcoal (work) is the ring structure that differs in size, material is changed curved from top to down shape motion in the road at charcoal (work), material is constantly changed at charcoal (work) change residing position in the road, constantly change the contact surface of material and activated media, thereby improve activation effect; Be provided with combustion chamber (5), (7), (14), (16) between combustion chamber and the stove exterior wall; Discharging mechanism is changeed rake (2) and driven discharging the reducing motor that changes rake to be made up of discharge nozzle (3), discharging, realizes continuous discharging.
Treat that feed particulate material that charcoal (work) changes mentions the furnace roof of charcoal (works) change stove with lift, be added in the feed bin (9).The feed particulate material carbonized material after charcoal (work) is changed charing in the pipe (10) or activation or activated material from top to bottom and is harrowed (2) by the discharging commentaries on classics that is driven by reducing motor and is carried out continuous discharging through discharge nozzle (3) cooling.The inflammable gas that raw material produces in charing or reactivation process from center vapor pipe (11) lead to respectively combustion chamber (5) that charcoal (work) changes the stove middle and lower part, (14, (16), and pass through gas inlet (4), (15), (20) respectively to an amount of air of each combustion chamber feeding, make gas fuel burning change pipe, help fuel economy with supplementary heating charcoal (work).When the activation furnace, feed the needed water vapor of activation from the vapour passage of the top activation tube of activation furnace, so that after the preheating section of activation tube is preheated intensification, feed again in the charcoal of activation section, help improving the priming reaction effect of water vapor and charcoal.The high-temperature activation tail gas (stack gas) that activation furnace produces leads to relevant UTILIZATION OF VESIDUAL HEAT IN equipment from flue gas outlet (12) and reclaims its heat energy after chimney is arranged in the air.
Four, description of drawings
Fig. 1 is the facade cross-sectional schematic of moving-bed charcoal (work) the change stove of suitable feed particulate material preparing active carbon, and (1) is the stove hall of heating with roasting kiln; (2) be the discharging commentaries on classics rake that charcoal (work) is changed material, make by steel; (3) be that charcoal (work) is changed the material discharge nozzle, make with steel plate; (4), (15), (20) are gas inlet; (5), (7), (14), (16) are the combustion chamber that charcoal (work) is changed stove; (6) be temperature thermocouple; (8) be steam pipe, make with stainless steel; (9) be former feed bin; (10) be that charcoal (work) is changed pipe, make with refractory materials; (11) be the central row tracheae, make with refractory materials; (12) be flue gas outlet; (13) be the pyrolysis gas transfer lime, make with high temperature resistant stainless steel; (17) be that charcoal (work) is changed the stove exterior wall, be built into common brick; (18) be the heat insulating layer; (19) be refractory wall, be built into refractory brick; (21) be that charcoal (work) is changed the stove pillar stiffener, form by the Steel Concrete cast.
Fig. 2 is the sectional view in A-A cross section among Fig. 1, and part description is the same.
Five, embodiment
Build one two row, the six rows vertical retort of totally 12 carbonizing tubes by design of the present invention, be raw material charing system apricot shell charcoal with the almond shell.Carbonizing tube is fired with high alumina refractory and is formed, and carbonizing tube is not established the water vapor passage.The almond husk as raw material is become the particulate state of 10～20mm with crusher in crushing.Particulate matter is mentioned the furnace roof of vertical retort with lift, be added in the feed bin (9).The inflammable gas that the apricot husk as raw material produces when pyrolysis charring leads to respectively the combustion chamber (5), (14), (16) of charring furnace middle and lower part from center vapor pipe (11), feed an amount of air to each combustion chamber respectively by gas inlet (4), (15), (20), make gas fuel burning with the heating carbonizing tube, help fuel economy.Particulate state apricot shell from top to bottom in carbonizing tube (10) carbonized material after the charing and change by the discharging that drives by buncher and retarding mechanism and to harrow (2) and carry out continuous discharging through discharge nozzle (3) cooling.The high-temperature flue gas that extra fuel produces in Lu Tang (1) burning back is " S " shape passage from bottom to top respectively through behind combustion chamber (16), (5), (14), (7) heating charring furnace, again from flue gas outlet (12) through flue lead to that relevant UTILIZATION OF VESIDUAL HEAT IN equipment reclaims its heat energy after chimney row in the air, temperature conditions according to each combustion chamber determines the amount whether needs add fuel and interpolation in Lu Tang (1), this stove removes when heating up startup needs extra fuel, can not need extra fuel substantially when ordinary production.
Build one two row, the six rows vertical activation furnace of totally 12 activation tubes by design of the present invention, activation tube is fired with high alumina refractory and is formed, and is raw material with apricot shell charcoal, prepares the granulated active carbon product with water vapor as activator.The apricot shell carbon feedstock of 10～20mm is mentioned the furnace roof of vertical activation furnace with lift, be added in the feed bin (9).Feed the needed water vapor of activation from the vapour passage of the top activation tube of activation furnace, after the charing section is preheated intensification, feed again in the charcoal of activation tube, help improving the priming reaction effect of water vapor and charcoal.The inflammable gas that apricot shell charcoal produced in when activation leads to respectively from center vapor pipe (11) the combustion chamber (5), (14), (16) of activation furnace middle and lower part, feed an amount of air to each combustion chamber respectively by gas inlet (4), (15), (20), make gas fuel burning with the supplementary heating activation tube, help fuel economy.Activated material after apricot shell charcoal activates in activation tube (10) from top to bottom cools off through discharge nozzle (3), and changes rake (2) by the discharging that is driven by buncher and retarding mechanism and carry out continuous discharging.The high-temperature flue gas that extra fuel produces in Lu Tang (1) burning back be from bottom to top the serpentine passage respectively through combustion chamber (16), (5), (14), (7) heat-activated stove after, again from flue gas outlet (12) through flue lead to that relevant UTILIZATION OF VESIDUAL HEAT IN equipment reclaims its heat energy after chimney row in the air.With apricot shell charcoal is raw material, the unsetting granulated active carbon that adopts processing method of the present invention and activation furnace to make, and its iodine sorption value reaches more than the 1050mg/g.
The related activation furnace of the utility model also can be used as the activation equipment of producing active carbon by phosphoric acid method, and at this moment, activation tube is not established the water vapor passage, and activation tube (10) is fired with acid proof silicon carbide and formed; Discharge nozzle (3) and discharging are changeed the parts that rake (2) etc. contacts with material and are made with stainless steel.When building the activation furnace of producing active carbon by phosphoric acid method by laying bricks or stones, do not allow the activation tail gas that each activation tube produces in the reactivation process lead to combustion chamber (16), (5), (14), (7), but by center comb (11) and compile the back and lead to the absorption unit water by stainless steel tube and spray, with phosphorous gas reforming wherein is that phosphoric acid utilizes again, and noncondensable gas is arranged in the air by chimney.With the apricot shell is that raw material is produced unsetting granulated active carbon with phosphoric acid activation method, and its methylene blue decolorizing ability is greater than 180mg/g, and A method caramel decolorizing ability is more than 100%, and the tetracol phenixin adsorption rate is greater than 120%.
Claims (4)
1. the moving-bed charing or the activation furnace of a suitable feed particulate material preparing active carbon is characterized in that: divide combustion chamber that two rows build by laying bricks or stones and stove exterior wall and discharging mechanism to form by many charings or activation tube, the stove cross section is a rectangle structure.
2. moving-bed charing according to claim 1 or activation furnace, it is characterized in that: combustion chamber is formed by building by laying bricks or stones with the charing of refractory materials system or activation tube of truncated cone-shaped, and charing that charing or activation tube constitute or the activation road cross section in the different heights position is the ring structure that differs in size.
3. moving-bed charing according to claim 1 or activation furnace, it is characterized in that: between combustion chamber and stove exterior wall, be provided with the combustion chamber, the inflammable gas that produces in the charcoal reactivation process leads in each combustion chamber by pipe and burns, and each combustion chamber is provided with gas inlet, and regulated valve is installed.
4. moving-bed charing according to claim 1 or activation furnace is characterized in that: discharging mechanism changes rake and buncher and retarding mechanism by discharge nozzle, discharging and forms.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202012335U CN201793373U (en) | 2010-05-24 | 2010-05-24 | Moving bed carbonization (activation) furnace suitable for producing activated carbon from granular materials |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202012335U CN201793373U (en) | 2010-05-24 | 2010-05-24 | Moving bed carbonization (activation) furnace suitable for producing activated carbon from granular materials |
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| CN201793373U true CN201793373U (en) | 2011-04-13 |
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| CN2010202012335U Expired - Fee Related CN201793373U (en) | 2010-05-24 | 2010-05-24 | Moving bed carbonization (activation) furnace suitable for producing activated carbon from granular materials |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103395782A (en) * | 2013-08-08 | 2013-11-20 | 北京金润华扬科技有限公司 | Movable carbon activation method |
| CN103922337A (en) * | 2014-04-15 | 2014-07-16 | 浙江省林业科学研究院 | Method and equipment for preparing activated carbon carrier for storing natural gas from hard husks |
| CN105016339A (en) * | 2015-08-03 | 2015-11-04 | 连云港明境生物能源有限公司 | Stir-fry-type activated charcoal stove |
| CN106348293A (en) * | 2016-09-29 | 2017-01-25 | 浙江省林业科学研究院 | Vertical type activation furnace for preparing active carbon through self-produced steam |
| CN109264718A (en) * | 2018-12-10 | 2019-01-25 | 上海活性炭厂有限公司 | A kind of active carbon carbonizing apparatus |
-
2010
- 2010-05-24 CN CN2010202012335U patent/CN201793373U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103395782A (en) * | 2013-08-08 | 2013-11-20 | 北京金润华扬科技有限公司 | Movable carbon activation method |
| CN103395782B (en) * | 2013-08-08 | 2015-05-20 | 北京金润华扬科技有限公司 | Movable carbon activation method |
| CN103922337A (en) * | 2014-04-15 | 2014-07-16 | 浙江省林业科学研究院 | Method and equipment for preparing activated carbon carrier for storing natural gas from hard husks |
| CN105016339A (en) * | 2015-08-03 | 2015-11-04 | 连云港明境生物能源有限公司 | Stir-fry-type activated charcoal stove |
| CN106348293A (en) * | 2016-09-29 | 2017-01-25 | 浙江省林业科学研究院 | Vertical type activation furnace for preparing active carbon through self-produced steam |
| CN109264718A (en) * | 2018-12-10 | 2019-01-25 | 上海活性炭厂有限公司 | A kind of active carbon carbonizing apparatus |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110413 Termination date: 20120524 |