CN111905514A - Tail gas purification device for activated carbon small-scale carbonization furnace - Google Patents
Tail gas purification device for activated carbon small-scale carbonization furnace Download PDFInfo
- Publication number
- CN111905514A CN111905514A CN201910378077.5A CN201910378077A CN111905514A CN 111905514 A CN111905514 A CN 111905514A CN 201910378077 A CN201910378077 A CN 201910378077A CN 111905514 A CN111905514 A CN 111905514A
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- Prior art keywords
- tail gas
- activated carbon
- purifier
- small
- steam
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 46
- 238000003763 carbonization Methods 0.000 title claims abstract description 21
- 238000000746 purification Methods 0.000 title claims abstract description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 25
- 238000011084 recovery Methods 0.000 claims abstract description 15
- 239000007788 liquid Substances 0.000 claims abstract description 14
- 239000000463 material Substances 0.000 claims abstract description 13
- 239000011269 tar Substances 0.000 claims abstract description 13
- 238000012360 testing method Methods 0.000 claims abstract description 10
- 238000011049 filling Methods 0.000 claims abstract description 9
- 239000011280 coal tar Substances 0.000 claims abstract description 8
- 238000000926 separation method Methods 0.000 claims abstract description 6
- 238000001816 cooling Methods 0.000 claims abstract description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 2
- 238000010521 absorption reaction Methods 0.000 claims description 2
- 239000000741 silica gel Substances 0.000 claims description 2
- 229910002027 silica gel Inorganic materials 0.000 claims description 2
- 239000007789 gas Substances 0.000 claims 22
- 230000004913 activation Effects 0.000 claims 4
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims 1
- 230000000903 blocking effect Effects 0.000 claims 1
- 239000002817 coal dust Substances 0.000 claims 1
- 239000000112 cooling gas Substances 0.000 claims 1
- 239000000428 dust Substances 0.000 claims 1
- 239000003546 flue gas Substances 0.000 claims 1
- 230000005484 gravity Effects 0.000 claims 1
- 238000002156 mixing Methods 0.000 claims 1
- 239000000779 smoke Substances 0.000 claims 1
- 238000012856 packing Methods 0.000 abstract description 4
- 230000006378 damage Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract description 2
- 238000004064 recycling Methods 0.000 abstract 1
- 229910052799 carbon Inorganic materials 0.000 description 6
- 238000013461 design Methods 0.000 description 2
- 238000003912 environmental pollution Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000011174 lab scale experimental method Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D5/00—Condensation of vapours; Recovering volatile solvents by condensation
- B01D5/0057—Condensation of vapours; Recovering volatile solvents by condensation in combination with other processes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D5/00—Condensation of vapours; Recovering volatile solvents by condensation
- B01D5/0078—Condensation of vapours; Recovering volatile solvents by condensation characterised by auxiliary systems or arrangements
- B01D5/009—Collecting, removing and/or treatment of the condensate
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/002—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by condensation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/26—Drying gases or vapours
Abstract
The invention discloses a tail gas purification device for an activated carbon small-scale test carbonization furnace, and relates to the field of tail gas treatment of small-scale test instruments. The device mainly comprises a tar recovery tank, a carbonized tail gas cooler, a steam-water separator and a tail gas purifier, wherein a tar recovery tank (4) comprises a liquid display (1) and a liquid discharge valve (3); the carbonization tail gas cooler (11) comprises an air-cooled condenser pipe (12), a condensate outlet valve (8), a condensate discharge pump (6), a hollow part (13) and a demister (9); the steam-water separator (15) comprises a packing material (16); the tail gas purifier (18) comprises a purifier filling material (19), a separation net (20) and a low-pressure fan (21). The device is designed integrally and adopts a treatment mode of firstly cooling, recycling and then purifying. The device is detachable and replaceable for filling. The method can effectively solve the problems of large tail gas pollution of the small-scale activated carbon carbonization furnace and harm to the health of personnel, and simultaneously recovers the coal tar, thereby being recycled and environment-friendly.
Description
Technical Field
The invention relates to the field of tail gas treatment of small-sized test instruments, in particular to the field of tail gas treatment of an activated carbon small-scale test carbonization furnace.
Background
The active carbon lab scale retort is the carbomorphism device of active carbon lab scale experiment, and current active carbon lab scale retort's tail gas does not have processing apparatus, contains a large amount of harmful and recoverable material in the tail gas, causes serious environmental pollution, has serious harm to the experimenter health simultaneously. But also causes a great deal of resource waste.
Disclosure of Invention
In order to overcome the defects of the existing equipment, the invention provides a tail gas purification device of an activated carbon small-scale carbonization furnace. The device mainly comprises a tar recovery tank, a carbonized tail gas cooler, a steam-water separator and a tail gas purifier. The four parts adopt the integrated design, and the steam-water separator and the inside packing material of clarifier are removable, and the device has effectively solved the tail gas pollution environment of active carbon lab scale retort and has caused the health injury to the personnel, has retrieved the resource simultaneously, ensures the normal clear of lab scale experiment.
In order to solve the problems, the technical scheme adopted by the invention is as follows: on the basis of the existing small-scale carbonization furnace, a tail gas treatment device of the small-scale carbonization furnace is designed. The device mainly comprises a tar recovery tank, a carbonized tail gas cooler, a steam-water separator and a tail gas purifier. The four parts adopt an integrated design. The device adopts earlier the condensation to retrieve the back and purifies, has added tar recovery tank, catch water simultaneously behind the condenser, guarantees the purity and the drying of tail gas, and tar recovery tank is equipped with liquid level display, can observe tar and the recovery yield and the layering separation situation of water in real time. The inside packing material water absorption state that packs allochroic silica gel and can show the catch water in real time of catch water, the inside special active carbon of tail gas treatment of packing of clarifier, realize active carbon autonomous utilization, clarifier intake pipe and outlet duct are equipped with and separate the net and prevent to pack the material and be equipped with the dismantlement handle along with gaseous drunkenness water purifier, device low pressure fan is located the device afterbody, the whole negative pressure state that becomes of device, guarantee safety and avoid outside air and tail gas to mix simultaneously under the basis that satisfies the carbomorphism condition.
Compared with the prior art, the invention has the beneficial effects that:
(1) the purification by the device can effectively reduce the environmental pollution of tail gas;
(2) filling materials of the steam-water separator and the purifier are replaceable, so that the service life of the device is effectively prolonged;
(3) the tar recovery tank is designed, so that the waste of resources can be effectively avoided;
(4) the cooler adopts vertical air cooling, so that the pipe blockage of the condenser pipe can be effectively avoided.
Drawings
FIG. 1 is a front view of a tail gas purification device of an activated carbon pilot plant carbonization furnace;
FIG. 2 is a plan view of a tail gas purification apparatus of an activated carbon pilot plant carbonization furnace;
FIG. 3 is a left side view of a tail gas purification device of an activated carbon pilot plant carbonization furnace.
Detailed Description
The invention is further explained with reference to the drawings and the embodiments;
example 1
The tail gas purification device of the activated carbon small-scale carbonization furnace shown in fig. 1 mainly comprises four parts, namely a tar recovery tank, a carbonized tail gas cooler, a steam-water separator and a tail gas purifier, wherein tail gas enters the carbonized tail gas cooler (11) through a tail gas inlet (10) under the action of a low-pressure fan and is condensed to form low-temperature gas and condensate, the low-temperature gas enters the steam-water separator (15) through a demister (9) to separate gas and water, dry low-temperature gas enters the purifier (18) through an air inlet (17) and is purified by the purifier to become clean gas, and the clean gas is discharged into the atmosphere through a separation net (20), a low-pressure fan (21) and an air outlet pipe (22) behind the purifier; the condensate enters the tar recovery tank (4) through the condensate outlet valve (8), the condensate outlet pipe (7), the condensate discharge pump (6) and the liquid inlet (5) under the action of the condensate discharge pump (6), the condition of the recovery tank is observed through the liquid display (1) after standing and layering separation, and water and coal tar are discharged through the liquid discharge valve (3) and the liquid discharge port (2) for cyclic utilization after the condensate reaches a certain amount.
The installation and maintenance method of the device comprises the following steps:
1. the tail gas purification device of the activated carbon small-scale test carbonization furnace is arranged at a tail gas outlet of the activated carbon small-scale test carbonization furnace, is generally arranged at the tail gas outlet of the activated carbon small-scale test carbonization furnace and is slightly higher than the small-scale test carbonization furnace in order to ensure smooth gas path, and is closed before installation;
2. the filling material of the tail gas purification device of the small-scale activated carbon carbonization furnace is replaced at least once in half a year and can be replaced in advance according to the use condition.
Claims (5)
1. A tail gas purification device for an activated carbon small-scale test carbonization furnace relates to the field of tail gas treatment of small-scale test instruments, and mainly comprises a tar recovery tank (4), a carbonized tail gas cooler (11), a steam-water separator (15) and a tail gas purifier (18), wherein the tar recovery tank (4) comprises a liquid level display (1), a liquid discharge port (2), a liquid discharge valve (3) and a liquid inlet (5); the carbonization tail gas cooler (11) comprises a tail gas inlet (10), an air-cooled condenser pipe (12), a condensate outlet pipe (7), a condensate outlet valve (8), a condensate discharge pump (6), a hollow part (13) and a demister (9); the steam-water separator (15) comprises a filling material (16) and a cooling gas inlet pipe (14); the tail gas purifier (18) comprises a dry cold gas inlet (17), a purifier filling material (19), a separation net (20), a low-pressure fan (21) and a purified gas outlet pipe (22).
2. The tail gas purification device for the small-scale activated carbon activation furnace, according to claim 1, is characterized in that a tar recovery tank (4), a carbonized tail gas cooler (11), a steam-water separator (15) and a tail gas purifier (18) of the tail gas purification device are designed into a whole for purification, filling materials in the steam-water separator and the purifier can be replaced, color-changing silica gel filled in the steam-water separator can display the water absorption state of the filling materials of the steam-water separator in real time, special activated carbon for tail gas treatment is filled in the purifier, and a gas inlet pipe and a gas outlet pipe of the purifier are provided with a separation net (11) for preventing the filling materials from moving along with gas.
3. The tail gas purification device for the small-scale activated carbon activation furnace as claimed in claim 1, wherein the low pressure fan (12) is located at the tail of the device, the whole device is in a weak negative pressure state, and the device ensures safety while avoiding mixing of outside air and tail gas on the basis of meeting carbonization conditions.
4. The tail gas purification device for the small-scale activated carbon activation furnace according to claim 1, wherein the device is provided with a coal tar recovery tank (4), condensed coal tar is pumped to a coal tar storage tank through a pump (6), the coal tar and water are separated and observed through a liquid display, and the coal tar and the water can be recycled after being taken out through a liquid outlet (2) and a liquid outlet valve (3).
5. The tail gas purification device for the small-scale activated carbon activation furnace, as claimed in claim 1, is characterized in that the carbonized tail gas cooler (11) of the device is cooled by a vertical pipe air cooling (12), and the double driving force of condensate gravity and flue gas flow is utilized to effectively prevent the smoke dust, coal dust and cooled coal tar from blocking the pipe, so that the device can be operated continuously for a long time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910378077.5A CN111905514A (en) | 2019-05-08 | 2019-05-08 | Tail gas purification device for activated carbon small-scale carbonization furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910378077.5A CN111905514A (en) | 2019-05-08 | 2019-05-08 | Tail gas purification device for activated carbon small-scale carbonization furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111905514A true CN111905514A (en) | 2020-11-10 |
Family
ID=73242767
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910378077.5A Pending CN111905514A (en) | 2019-05-08 | 2019-05-08 | Tail gas purification device for activated carbon small-scale carbonization furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111905514A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH217429A (en) * | 1941-01-28 | 1941-10-31 | Bernhard Hans | Retort charring plant. |
| CN101053701A (en) * | 2007-05-18 | 2007-10-17 | 中南大学 | Device for chemical gaseous phase deposition industrial furnace tail gas purification |
| CN101323788A (en) * | 2008-07-31 | 2008-12-17 | 上海奥韦通工程技术有限公司 | Processing process for preparing various asphalt and fuel oil with coal tar |
| CN101775314A (en) * | 2010-02-04 | 2010-07-14 | 王序然 | Biomass carbonizing, gasifying and generating process and movable carbonization and gasification furnaces |
| CN102517054A (en) * | 2011-11-29 | 2012-06-27 | 华南农业大学 | Device and method for continuous pyrolysis of agricultural and forestry biomass and fractional collection and purification of product |
| CN202936372U (en) * | 2012-11-19 | 2013-05-15 | 西安汇华联科科技有限公司 | Coal activated carbon tar recovery system of vertical internally heated retort |
| WO2015031682A1 (en) * | 2013-08-29 | 2015-03-05 | Weimer Alan W | Carbothermal reduction reactor system, components thereof, and methods of using same |
| CN104479701A (en) * | 2014-11-03 | 2015-04-01 | 嘉兴市新角机械制造有限公司 | Biomass carbonization and cooling-filtrating integrated device |
| CN105199761A (en) * | 2015-10-28 | 2015-12-30 | 重庆市竹海新能源开发有限公司 | Machine-made charcoal charring and decoking technology and apparatus thereof |
-
2019
- 2019-05-08 CN CN201910378077.5A patent/CN111905514A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH217429A (en) * | 1941-01-28 | 1941-10-31 | Bernhard Hans | Retort charring plant. |
| CN101053701A (en) * | 2007-05-18 | 2007-10-17 | 中南大学 | Device for chemical gaseous phase deposition industrial furnace tail gas purification |
| CN101323788A (en) * | 2008-07-31 | 2008-12-17 | 上海奥韦通工程技术有限公司 | Processing process for preparing various asphalt and fuel oil with coal tar |
| CN101775314A (en) * | 2010-02-04 | 2010-07-14 | 王序然 | Biomass carbonizing, gasifying and generating process and movable carbonization and gasification furnaces |
| CN102517054A (en) * | 2011-11-29 | 2012-06-27 | 华南农业大学 | Device and method for continuous pyrolysis of agricultural and forestry biomass and fractional collection and purification of product |
| CN202936372U (en) * | 2012-11-19 | 2013-05-15 | 西安汇华联科科技有限公司 | Coal activated carbon tar recovery system of vertical internally heated retort |
| WO2015031682A1 (en) * | 2013-08-29 | 2015-03-05 | Weimer Alan W | Carbothermal reduction reactor system, components thereof, and methods of using same |
| CN104479701A (en) * | 2014-11-03 | 2015-04-01 | 嘉兴市新角机械制造有限公司 | Biomass carbonization and cooling-filtrating integrated device |
| CN105199761A (en) * | 2015-10-28 | 2015-12-30 | 重庆市竹海新能源开发有限公司 | Machine-made charcoal charring and decoking technology and apparatus thereof |
Non-Patent Citations (1)
| Title |
|---|
| 中国环境监测总站《环境空气自动监测基础理论考核试题集》编写组编: "《环境空气自动监测基础理论考核试题集》", 中国建筑工业出版社 * |
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| PB01 | Publication | ||
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Application publication date: 20201110 |