CN101857806B - Multi-tube external-heat fume reverse extraction rotary carbide furnace - Google Patents

Multi-tube external-heat fume reverse extraction rotary carbide furnace Download PDF

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Publication number
CN101857806B
CN101857806B CN2010101979745A CN201010197974A CN101857806B CN 101857806 B CN101857806 B CN 101857806B CN 2010101979745 A CN2010101979745 A CN 2010101979745A CN 201010197974 A CN201010197974 A CN 201010197974A CN 101857806 B CN101857806 B CN 101857806B
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China
Prior art keywords
tube
heater
furnace
carbonized
flue gas
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CN2010101979745A
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Chinese (zh)
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CN101857806A (en
Inventor
丛国城
陆振伟
刘裕军
王延凌
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宁夏宝塔石化集团有限公司
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Priority to CN2010101979745A priority Critical patent/CN101857806B/en
Publication of CN101857806A publication Critical patent/CN101857806A/en
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Publication of CN101857806B publication Critical patent/CN101857806B/en

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Abstract

The invention relates to a multi-tube external-heat fume reverse extraction rotary carbide furnace which is provided with an obliquely horizontal type rotary furnace body (1); the high end side of the furnace body is provided with a feed hopper; the lower end side of the furnace body is provided with a discharge hole (14) and a combustion chamber (2); tube bundles (9) which are annularly distributed along a cross section are arranged in the furnace body; carbonized materials and fume channels are isolated, wherein the tube pass is used for the carbonized materials and the shell pass is used for fume. The invention adopts a tubular carbonizing process, which separates heat generated by the carbonized materials and fuels and avoids the problem of excessive carbonization; moreover, the problem that coal tar in a volatile matter is stuck to the surfaces of the carbonized materials again to influence the appearance of the product and activating effect when the fume is reversely sucked back.

Description

Multi-tube external-heat fume reverse extraction rotary carbide furnace
Technical field:
The present invention relates to a kind of equipment in the Activated Carbon Production, particularly a kind of multi-tube external-heat fume reverse extraction rotary carbide furnace.
Background technology:
Charring furnace is an equipment commonly used in the Activated Carbon Production; Be a kind of under anoxic and hot conditions; With the equipment of the many ceasmas of charing raw material pyrolysis formation, existing charring furnace generally includes tilting revolution body of heater, combustion chamber, flue, body of heater and is provided with opening for feed and discharge port.Gas fume of combustion chamber all contacts in the same space with carbonized material, and carbonized material advances along inboard wall of furnace body is spiral, this structure in process of production the charing cycle long; Wayward; Charing is inhomogeneous, and charing too shows that with product rough situation happens occasionally, simultaneously; Existing charring furnace directly discharges flue gas, and energy is not recycled but also caused environmental pollution.
Summary of the invention:
The objective of the invention is to overcome the deficiency of prior art, a kind of multi-tube external-heat fume reverse extraction rotary carbide furnace is provided.
The object of the invention is realized according to following proposal:
A kind of multi-tube external-heat fume reverse extraction rotary carbide furnace; It has a horizontally-inclined revolution body of heater, and the high-end side of body of heater is equipped with hopper, and bottom one side has discharge port and combustion chamber; It is characterized in that having in the body of heater tube bank of annular spread along the cross section; Carbonized material and gas flue are separated, and carbonized material is walked tube side, and flue gas is walked shell side;
In the high-end side of body of heater flue gas second stage employ device is installed, is used in the body of heater that the current tube side of carbonized material is high-end to link to each other with hopper, low side links to each other with discharge port, is used for the high termination flue gas of the shell side second stage employ device that flue gas passes through, and hangs down the termination combustion chamber;
Above-mentioned flue gas second stage employ device has an incinerator that links to each other with the body of heater shell side, and waste heat boiler is equipped with in the incinerator top, and dedusting trap, the external chimney of dedusting trap are equipped with in the waste heat boiler top;
Above-mentioned combustion chamber is provided with fuel door, and the slagging-off storehouse is arranged at the bottom, combustion chamber, and the slagging-off storehouse is provided with the slag door.
The present invention compared with prior art has following characteristics:
The first, body of heater socket of the present invention is when utilizing the fugitive constituent heat output; Also saved this part fuel cost that needs, so also reduced the slag stacking, it has been burnt at incinerator heat again to waste heat boiler; Save the desired fuel of system steam, reached purpose of energy saving like this.
The second, fugitive constituent and gas fume of combustion chamber are withdrawn into the shell side burning together, and fugitive constituent is self-temperature very high (more than 700 ℃) at the discharge port place, itself carries heat when drawing back and can be utilized again by carbonized material; Can be reached 650 ℃ by temperature of combustion by secondary in the combustion chamber, last flue gas and fugitive constituent remainder arrive about 240 ℃ of floss holes, get into incinerator and are further burnt; The heat that produces heats to preboiler; The steam that produces can also be can be used for activation by charring furnace self utilization, and through burning several times, the heat in the flue gas is utilized once more; Objectionable constituent are wherein all burnt, and discharging also can reach standard.
The 3rd, through repeatedly the charing fugitive constituent being burnt, after the whole or most burnings of objectionable constituent wherein, the discharging environmental pollution reduces greatly.
The 4th, charring furnace moves in semi-closed system, has reduced the discharging (few partial fume being arranged along with carbonized material is emerged in the exit) of flue gas at operation room, makes that the operation workshop is clean, helps the healthy of operator and can the operation environment.
The 5th, the charing operation of shell and tube, the heat that makes carbonized material and fuel produce separates; Avoid charing problem too, in addition, when flue gas is taken out, also avoided the coal tar in the fugitive constituent to adhere to the carbonized material surface once more; Make product appearance not bright and clean, also can influence activation effect simultaneously.
Description of drawings:
Fig. 1 is the structural representation of one embodiment of the present invention;
Fig. 2 is that the A-A of Fig. 1 cuts open and shows synoptic diagram;
Fig. 3 is that the B-B of Fig. 1 cuts open and shows synoptic diagram;
Fig. 4 is that the C-C of Fig. 1 cuts open and shows synoptic diagram;
Embodiment:
Like Fig. 1, Fig. 2, Fig. 3, shown in Figure 4,
Main body of the present invention is a horizontally-inclined revolution body of heater (1), and the high-end side of body of heater is equipped with hopper (10) and flue gas second stage employ device, and low side one side has discharge port (14) and combustion chamber (2); The tube bank (9) of the annular spread along the cross section is arranged in the body of heater, and when charing, carbonized material advances feeding mouth divider (11) by hopper (10); Walk tube side, discharge through discharge port (14), the heating flue gas is walked shell side; Carbonized material and flue gas are separately through tube bank, and flue gas gets into the incinerator (6) in the flue gas second stage employ device through flue (5), carries out secondary combustion; Its waste heat can be used to heat waste heat boiler (7), and flue gas is discharged by chimney through dedusting trap (8) back;
Combustion chamber (2) is provided with fuel door (3), the fuel that is used to add heating and produces flue gas, and slagging-off storehouse (15) is arranged at the bottom, combustion chamber, and the slagging-off storehouse is provided with slag door (4).
The main points of practical implementation comprise:
1, be a fuel door (3) and a slagging-off storehouse (15) with charring furnace combustion chamber (2) structure design, and charging opening (3) and Hatch Opening (4) all are set to hermatic door.
2, flue (5) and incinerator (6) are located to seal tight; Make the flue gas of combustion chamber all in incinerator (6), burn again and heat for waste heat boiler (7) through flue (5); The steam that produces can continue on for charring furnace and carry out attemperation, and superfluous steam also can be used for activation.
3, the cigarette of incinerator (6) after-flame carries out discharging after the dedusting through dedusting trap (8).
4, carbonized material is walked tube side through an opening for feed (10) and a material mouthful divider (11), and the heating flue gas is walked shell side, and carbonized material and flue gas are separated.So can avoid charing too and during fume reverse extraction coal tar be bonded in the carbonized material surface, cause product to show that smooth finish does not reach accurate or produces substandard products.
5, body of heater is under the drive of motor and gear (12), and uniform rotation is equipped with carrying roller (13) and can be made the body of heater smooth operation on body of heater, makes the intravital carbonized material thermally equivalent of stove, the activated carbon product any surface finish of producing, quality product homogeneous.
6, locate to be equipped with blower fan at preboiler (7); After carbonized material is through body of heater cylinder (9) tube side destructive distillation; Flue gas compositions such as lightweight fugitive constituent wherein, water, lighter hydrocarbons, sulphur evaporate and play discharge port with carbonized material one and fall groove; Carbonized material comes out from discharge port (14) under action of gravity, and gaseous constituents such as fugitive constituent are then got back to flue (5) with combustion product gases through the tube bank shell side along direction shown in Fig. 1 arrow, after the secondary combustion utilization, discharge.
7, there is divider (Fig. 4) in carbonized stock ingress: promptly on every tubulation, all be welded with flight (9-1), when body of heater in rotation process, carbonized stock will forward the time of next tubulation at first tubulation to, gets in the tubulation through flight.
8, carbide furnace discharge port (14) is set to vortex shape batch turning groove.

Claims (4)

1. multi-tube external-heat fume reverse extraction rotary carbide furnace; It has a horizontally-inclined revolution body of heater (1), and the high-end side of body of heater is equipped with hopper (10), and low side one side has discharge port (14) and combustion chamber (2); It is characterized in that having in the body of heater tube bank (9) of annular spread along the cross section; Carbonized material and gas flue are separated, and carbonized material is walked tube side, and flue gas is walked shell side.
2. multi-tube external-heat fume reverse extraction rotary carbide furnace as claimed in claim 1; It is characterized in that flue gas second stage employ device being installed in the high-end side of body of heater; Be used in the body of heater that the current tube side of carbonized material is high-end to link to each other with hopper (10); Low side links to each other with discharge port (14), is used for that the current shell side of flue gas is high-end to connect flue gas second stage employ device through flue (5), hangs down termination combustion chamber (2).
3. multi-tube external-heat fume reverse extraction rotary carbide furnace as claimed in claim 2; It is characterized in that above-mentioned flue gas second stage employ device has an incinerator (6) that links to each other with the body of heater shell side through flue (5); Waste heat boiler (7) is equipped with in the incinerator top; Dedusting trap (8), the external chimney of dedusting trap are equipped with in the waste heat boiler top.
4. multi-tube external-heat fume reverse extraction rotary carbide furnace as claimed in claim 2 is characterized in that above-mentioned combustion chamber (2), is provided with fuel door (3), and slagging-off storehouse (15) is arranged at the bottom, combustion chamber, and the slagging-off storehouse is provided with slag door (4).
CN2010101979745A 2010-06-11 2010-06-11 Multi-tube external-heat fume reverse extraction rotary carbide furnace CN101857806B (en)

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CN2010101979745A CN101857806B (en) 2010-06-11 2010-06-11 Multi-tube external-heat fume reverse extraction rotary carbide furnace

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Application Number Priority Date Filing Date Title
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CN101857806B true CN101857806B (en) 2012-11-28

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Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102115673B (en) * 2010-11-12 2013-11-20 西峡龙成特种材料有限公司 Coal substance decomposing device
CN102583370B (en) * 2012-03-15 2014-07-30 江西能欣生物科技有限公司 Production process of phosphate method activated carbon of rotary kiln
CN103555349B (en) * 2013-08-02 2015-06-24 卢秉威 Small particle solid raw material low temperature dry distillation furnace
CN103787306B (en) * 2014-02-17 2015-01-07 淮北市协力重型机器有限责任公司 External heating type rotary carbonization furnace
CN104479692A (en) * 2014-11-26 2015-04-01 厦门大学 Rotary combustion and carbonization integrated furnace
CN104531171B (en) * 2014-12-30 2018-11-23 贺守印 A kind of high-efficient energy-saving environment friendly retort
CN105668542B (en) * 2016-01-06 2018-01-19 湖南长笛龙吟竹业有限公司 A kind of energy saving kiln of high efficiency production bamboo charcoal
CN106833706B (en) * 2017-01-22 2019-09-24 中国重型机械研究院股份公司 A kind of close-coupled activated coke carbonization-activation device
CN107990741B (en) * 2017-11-29 2019-07-19 贺守印 A kind of retort UTILIZATION OF VESIDUAL HEAT IN temperature regulating device and its temperature control method
CN111575030B (en) * 2020-05-27 2021-05-11 焦彪彪 Biomass pyrolysis horizontal converter with bearing sealing structure

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5101740A (en) * 1989-12-22 1992-04-07 Entreprise Generale De Chauffage Industriel Pillard Methods, apparatuses and rotary furnaces for continuously manufacturing caerbon-rich charcoal
CN101333444A (en) * 2008-06-20 2008-12-31 徐金鸿 Stalk coke oven and method for making charcoal by the coke oven
CN201737882U (en) * 2010-06-11 2011-02-09 宁夏宝塔石化集团有限公司 Multi-tube external heating type smoke back-extracting rotary carbonization furnace

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5101740A (en) * 1989-12-22 1992-04-07 Entreprise Generale De Chauffage Industriel Pillard Methods, apparatuses and rotary furnaces for continuously manufacturing caerbon-rich charcoal
CN101333444A (en) * 2008-06-20 2008-12-31 徐金鸿 Stalk coke oven and method for making charcoal by the coke oven
CN201737882U (en) * 2010-06-11 2011-02-09 宁夏宝塔石化集团有限公司 Multi-tube external heating type smoke back-extracting rotary carbonization furnace

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