CN201669263U - Activated carbon regeneration and hazardous waste incineration integrated device - Google Patents
Activated carbon regeneration and hazardous waste incineration integrated device Download PDFInfo
- Publication number
- CN201669263U CN201669263U CN2010201918499U CN201020191849U CN201669263U CN 201669263 U CN201669263 U CN 201669263U CN 2010201918499 U CN2010201918499 U CN 2010201918499U CN 201020191849 U CN201020191849 U CN 201020191849U CN 201669263 U CN201669263 U CN 201669263U
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- waste incineration
- activated carbon
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 55
- 238000004056 waste incineration Methods 0.000 title claims abstract description 35
- 238000011069 regeneration method Methods 0.000 title claims abstract description 31
- 230000008929 regeneration Effects 0.000 title claims abstract description 27
- 239000002920 hazardous waste Substances 0.000 title abstract description 11
- 229910052799 carbon Inorganic materials 0.000 claims description 37
- 230000001172 regenerating effect Effects 0.000 claims description 34
- 238000010304 firing Methods 0.000 claims description 26
- 230000009977 dual effect Effects 0.000 claims description 25
- 239000003610 charcoal Substances 0.000 claims description 24
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 20
- 239000003546 flue gas Substances 0.000 claims description 20
- 238000007599 discharging Methods 0.000 claims description 18
- 239000002918 waste heat Substances 0.000 claims description 18
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 claims description 11
- 229910001861 calcium hydroxide Inorganic materials 0.000 claims description 11
- 239000000920 calcium hydroxide Substances 0.000 claims description 11
- 238000002347 injection Methods 0.000 claims description 10
- 239000007924 injection Substances 0.000 claims description 10
- 230000008676 import Effects 0.000 claims description 6
- 238000000034 method Methods 0.000 abstract description 16
- 238000002485 combustion reaction Methods 0.000 abstract description 4
- 239000000779 smoke Substances 0.000 abstract 6
- 239000002957 persistent organic pollutant Substances 0.000 abstract 1
- 239000002699 waste material Substances 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 6
- 239000007789 gas Substances 0.000 description 5
- 239000002893 slag Substances 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 238000003795 desorption Methods 0.000 description 3
- 239000003344 environmental pollutant Substances 0.000 description 3
- 231100000719 pollutant Toxicity 0.000 description 3
- 238000000746 purification Methods 0.000 description 3
- 230000008439 repair process Effects 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000002906 medical waste Substances 0.000 description 2
- 231100000614 poison Toxicity 0.000 description 2
- 230000007096 poisonous effect Effects 0.000 description 2
- 238000000197 pyrolysis Methods 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical compound [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229910052740 iodine Inorganic materials 0.000 description 1
- 239000011630 iodine Substances 0.000 description 1
- 238000009418 renovation Methods 0.000 description 1
- 239000002910 solid waste Substances 0.000 description 1
- 231100001234 toxic pollutant Toxicity 0.000 description 1
- 238000009279 wet oxidation reaction Methods 0.000 description 1
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- Treating Waste Gases (AREA)
Abstract
The utility model discloses an activated carbon regeneration and hazardous waste incineration integrated device, which comprises an activated carbon regeneration device and a hazardous waste incineration device. Hazardous wastes are burnt by a multi-stage incinerator consisting of a rotary kiln and a secondary combustion chamber, high-temperature smoke generated after incineration is led into a rotary activated carbon regeneration furnace to provide required energy for activated carbon, organic pollutants desorbed in a regeneration process is led back to the secondary combustion chamber of the incineration system through a smoke circulation pipeline to be in high-temperature treatment, and after heat of incinerated smoke is recycled via an afterheat boiler, the incinerated smoke is discharged into atmosphere after being purified via a smoke purifying system. The activated carbon regeneration and hazardous waste incineration integrated device sufficiently adopts the high-temperature smoke generated after incineration to provide energy for regeneration of waste activated carbon, and steam generated by the afterheat boiler provides reducing atmosphere for the regeneration process, thereby thoroughly resolving problems of common secondary pollution during activated carbon regeneration and reducing investment and operation cost. Due to the integral design, the integral system is reasonable and compact in connection, adopts advanced equipment structures and has better economical efficiency.
Description
Technical field
The utility model relates to the solid waste harmless resource utilization device, more specifically relates to a kind of active carbon regeneration dangerous waste incineration integrated apparatus.
Background technology
For active carbon regenerating technology, common method has: hot method of reproduction, bio-regeneration method, chemical solution method of reproduction, wet oxidation method of reproduction, supercritical extract method of reproduction, electrochemical regeneration method, ultrasonic regeneration method, microwave irradiation method of reproduction etc.The thermal regeneration method is the longest most widely used a kind of renovation process of developing history in these methods.
The thermal regeneration device has many forms, uses at present both at home and abroad more have multiple field, swinging, flow-type, moving-bed type.These type of furnaces for example Chinese patent CN2326922Y, CN2855526Y, CN2855527Y, CN201223795Y patented technology etc. need to use the high-grade energy such as primary energy or electric power as heating energy source mostly, energy consumption is bigger, if and construction also needs to be equipped with a whole set of complete exhaust treatment system separately, cost of investment and operating cost are all higher.
Have destructively and to advantages such as material wide adaptabilities based on the dangerous waste incineration technology of rotary kiln because of it, become one of preferential hazardous waste disposal technology of supporting of China's environmental policy the high strength of toxic pollutant material." the dangerous waste incineration pollution control criterion " formulated by State Environmental Protection Administration to dangerous waste incineration pollutant emission made strict regulation, therefore the dangerous waste incineration system is except the CIU of the reasonable science of needs construction, also can dispose complete exhaust gas purification system, common equipment comprises extracting tower, calcium hydroxide and active carbon injection apparatus, bag-type dust etc., these equipment need to use a large amount of as medicaments such as calcium hydroxide, active carbons in running, thereby the operating cost of dangerous waste incineration system is often higher.
Summary of the invention
The purpose of this utility model provides a kind of active carbon regeneration dangerous waste incineration integrated apparatus, solve in the prior art active carbon regenerative process, the firing equipment power consumption is big, the operation cost of investment that needs independent construction exhaust gas processing device to cause is higher, and the heat energy of dangerous waste incineration system can not make full use of and exhaust gas purification system operating cost problem of higher.
In order to reach the foregoing invention purpose, the technical solution adopted in the utility model is:
One, a kind of active carbon regeneration dangerous waste incineration integral method, the step of this method is as follows:
1) medical waste or other hazardous wastes feed rotary kiln by hopper;
2) rotary kiln tilt to be placed, and tilt adjustable makes that hazardous waste is dried continuously, the process of pyrolysis, burning in kiln;
3) outlet of rotary kiln connects rotary fire grate dual firing chamber,, discharges slag heat rate＜3% that cuts down according to the circumstance from the further after-flame of the fallen slag of rotary kiln by the slag-drip opening of fire grate bottom;
4) flue gas of pyrolytic incineration generation and other imperfect combustion pollutants stop under the high temperature of 1100 ℃ of dual firing chamber and surpass 2 seconds, and poisonous and harmful substance is thoroughly decomposed;
5) high-temperature flue gas that comes out from dual firing chamber is divided into two-way, and the flue gas recirculation pipeline of leading up to enters the thermal source of rotary type active charcoal regenerating furnace as active carbon regeneration, and another road enters waste heat boiler and produces high-temperature steam by heat exchange;
6) high-temperature steam of waste heat boiler generation is by gas-distributing cylinder, and one road steam enters rotary type active charcoal regenerating furnace and provides required reducing atmosphere for active carbon regeneration, and all the other steam are for producing and the life use;
7) tail gas that is produced by activated carbon regeneration furnace draws go back to dual firing chamber by the flue gas recirculation pipeline, makes the organic pollution of desorption thoroughly innoxious under 1100 ℃ high temperature;
8) flue gas of heat boiler outlet enters the chilling extracting tower and is chilled to below 200 ℃, purifies after chimney enters atmosphere through calcium hydroxide and active carbon injection apparatus and sack cleaner.
Two, a kind of active carbon regeneration dangerous waste incineration integrated apparatus:
Comprise active carbon regenerating unit and dangerous waste incineration device; Wherein:
1) active carbon regenerating unit: comprise rotary type active charcoal regenerating furnace, flue gas recirculation pipeline, discharging cooler and discharging storage tank; First entrance point of rotary type active charcoal regenerating furnace links to each other with rotary fire grate dual firing chamber outlet conduit in the dangerous waste incineration system, second entrance point of rotary type active charcoal regenerating furnace links to each other with the gas-distributing cylinder in the dangerous waste incineration system, and the outlet of rotary type active charcoal regenerating furnace tail flue gas links to each other with rotary fire grate dual firing chamber middle part in the dangerous waste incineration system by flue; The import of discharging cooler links to each other with rotary type active charcoal regenerating furnace, and the outlet of discharging cooler links to each other with the discharging storage tank;
2) dangerous waste incineration device: comprise hopper, rotary kiln, rotary fire grate dual firing chamber, waste heat boiler, gas-distributing cylinder, chilling extracting tower, calcium hydroxide and active carbon injection apparatus, sack cleaner, air-introduced machine and chimney; Hopper is arranged on rotary kiln end, the rotary kiln outlet links to each other with rotary fire grate dual firing chamber, the outlet of rotary fire grate dual firing chamber links to each other with waste heat boiler, heat boiler outlet inserts the chilling extracting tower, the outlet of chilling extracting tower links to each other with sack cleaner, the sack cleaner outlet connects the air-introduced machine inlet, and the air-introduced machine outlet connects chimney; Calcium hydroxide links to each other with sack cleaner import horizontal pipe with the active carbon injection apparatus, and one road steam of gas-distributing cylinder links to each other with second entrance point of rotary type active charcoal regenerating furnace in the active carbon regenerative system, and another road steam of gas-distributing cylinder links to each other with waste heat boiler.
The active carbon regeneration proportion of goods damageds of the present utility model are less than 5%, and the absorption recovery rate is 95-110% (in an iodine number), and the recovery time was controlled at 15-20 minute, cyclic regeneration.
The utility model is compared with background technology, and the beneficial effect that has is:
The utility model integrates active carbon regeneration and dangerous waste incineration system, the high-temperature flue gas that utilizes the generation of dangerous waste incineration system is as the required thermal source of active carbon regeneration, the steam that waste heat boiler produces provides reducing atmosphere for regenerative process, the organic pollution of while active carbon regenerative process desorption is failed go back to dual firing chamber of dangerous waste incineration system by the flue gas recirculation pipeline and is handled under 1100 ℃ high temperature, and utilize the complete exhaust treatment system of dangerous waste incineration system, make that ubiquitous secondary pollution problem is solved in the hot regeneration techniques of active carbon.The active carbon of regeneration can use for flue gas purification system on the one hand, has reduced operation cost; To create economic benefit for hazardous waste disposal center on the other hand.
Description of drawings
Accompanying drawing is the system architecture schematic diagram of the utility model method.
Among the figure: 1, rotary type active charcoal regenerating furnace, 2, the flue gas recirculation pipeline, 3, the discharging cooler, 4, discharging storage tank, 5, hopper, 6, rotary kiln, 7, rotary fire grate dual firing chamber, 8, waste heat boiler, 9, gas-distributing cylinder, 10, the chilling extracting tower, 11, calcium hydroxide and active carbon injection apparatus, 12, sack cleaner, 13, air-introduced machine, 14, chimney.
The specific embodiment
As shown in drawings, the utility model comprises active carbon regenerating unit and dangerous waste incineration device; Wherein:
1) active carbon regenerating unit: comprise rotary type active charcoal regenerating furnace 1, flue gas recirculation pipeline 2, discharging cooler 3 and discharging storage tank 4; First entrance point of rotary type active charcoal regenerating furnace 1 links to each other with rotary fire grate dual firing chamber 7 outlet conduits in the dangerous waste incineration system, second entrance point of rotary type active charcoal regenerating furnace 1 links to each other with the gas-distributing cylinder 9 in the dangerous waste incineration system, and the outlet of rotary type active charcoal regenerating furnace 1 tail flue gas links to each other with rotary fire grate dual firing chamber 7 middle parts in the dangerous waste incineration system by flue; The import of discharging cooler 3 links to each other with rotary type active charcoal regenerating furnace 1, and the outlet of discharging cooler 3 links to each other with discharging storage tank 4;
2) dangerous waste incineration device: comprise hopper 5, rotary kiln 6, rotary fire grate dual firing chamber 7, waste heat boiler 8, gas-distributing cylinder 9, chilling extracting tower 10, calcium hydroxide and active carbon injection apparatus 11, sack cleaner 12, air-introduced machine 13 and chimney 14; Hopper 5 is arranged on rotary kiln 6 kiln hoods, rotary kiln 6 outlets link to each other with rotary fire grate dual firing chamber 7,7 outlets of rotary fire grate dual firing chamber link to each other with waste heat boiler 8, waste heat boiler 8 outlets insert chilling extracting tower 10,10 outlets of chilling extracting tower link to each other with sack cleaner 12, sack cleaner 12 outlets connect air-introduced machine 13 inlets, and air-introduced machine 13 outlets connect chimney 14; Calcium hydroxide links to each other with sack cleaner 12 import horizontal pipes with active carbon injection apparatus 11, one road steam of gas-distributing cylinder 9 links to each other with 1 second entrance point of rotary type active charcoal regenerating furnace in the active carbon regenerative system, and another road steam of gas-distributing cylinder 9 links to each other with waste heat boiler 8.
Operation principle of the present utility model is as follows:
As shown in drawings, medical waste or other hazardous wastes feed rotary kiln 6 by hopper 5, rotary kiln 6 tilts to place, rotary speed can be in the scope adjustment of 0.3-8rpm, hazardous waste is dried in kiln continuously, pyrolysis, the process of burning, the outlet of rotary kiln 6 connects rotary fire grate dual firing chamber 7, from rotary kiln 6 fallen slags can be here further after-flame, and keep discharging by the slag-drip opening of fire grate bottom after enough time of staying, slag heat rate＜3% that cuts down according to the circumstance, flue gas and other imperfect combustion pollutants that pyrolytic incineration produces stopped under the high temperature of 1100 ℃ of dual firing chamber above 2 seconds, poisonous and harmful substance is thoroughly decomposed, the high-temperature flue gas that comes out from rotary fire grate dual firing chamber 7 is divided into two-way, the flue gas recirculation pipeline 2 of leading up to enters the thermal source of rotary type active charcoal regenerating furnace 1 as active carbon regeneration, another road enters waste heat boiler 8 and produces high-temperature steam by heat exchange, the high-temperature steam that waste heat boiler 8 produces is by gas-distributing cylinder 9, one road steam enters rotary type active charcoal regenerating furnace 1 and makes required reducing atmosphere for active carbon regeneration, all the other steam are for producing and the life use, the tail gas that is produced by rotary type active charcoal regenerating furnace 1 draws rotary fire grate dual firing chamber 7 by the flue gas recirculation pipeline, make the organic pollution of desorption thoroughly innoxious under 1100 ℃ high temperature, the flue gas of waste heat boiler 8 outlet enters chilling extracting tower 10 through being chilled to below 200 ℃, purifies after air-introduced machine 13 feeds chimneys 14 through calcium hydroxide and active carbon injection apparatus 11 and sack cleaner 12 and enters atmosphere.
Claims (1)
1. an active carbon regeneration dangerous waste incineration integrated apparatus is characterized in that comprising active carbon regenerating unit and dangerous waste incineration device; Wherein:
1) active carbon regenerating unit: comprise rotary type active charcoal regenerating furnace (1), flue gas recirculation pipeline (2), discharging cooler (3) and discharging storage tank (4); First entrance point of rotary type active charcoal regenerating furnace (1) links to each other with rotary fire grate dual firing chamber (7) outlet conduit in the dangerous waste incineration system, second entrance point of rotary type active charcoal regenerating furnace (1) links to each other with the gas-distributing cylinder (9) in the dangerous waste incineration system, and the outlet of rotary type active charcoal regenerating furnace (1) tail flue gas is by linking to each other in the middle part of the rotary fire grate dual firing chamber (7) in flue and the dangerous waste incineration system; The import of discharging cooler (3) links to each other with rotary type active charcoal regenerating furnace (1), and the outlet of discharging cooler (3) links to each other with discharging storage tank (4);
2) dangerous waste incineration device: comprise hopper (5), rotary kiln (6), rotary fire grate dual firing chamber (7), waste heat boiler (8), gas-distributing cylinder (9), chilling extracting tower (10), calcium hydroxide and active carbon injection apparatus (11), sack cleaner (12), air-introduced machine (13) and chimney (14); Hopper (5) is arranged on rotary kiln (6) kiln hood, rotary kiln (6) outlet links to each other with rotary fire grate dual firing chamber (7), rotary fire grate dual firing chamber (7) outlet links to each other with waste heat boiler (8), waste heat boiler (8) outlet inserts chilling extracting tower (10), chilling extracting tower (10) outlet links to each other with sack cleaner (12), sack cleaner (12) outlet connects air-introduced machine (13) inlet, and air-introduced machine (13) outlet connects chimney (14); Calcium hydroxide links to each other with sack cleaner (12) import horizontal pipe with active carbon injection apparatus (11), one road steam of gas-distributing cylinder (9) links to each other with (1) second entrance point of rotary type active charcoal regenerating furnace in the active carbon regenerative system, and another road steam of gas-distributing cylinder (9) links to each other with waste heat boiler (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201918499U CN201669263U (en) | 2010-05-14 | 2010-05-14 | Activated carbon regeneration and hazardous waste incineration integrated device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201918499U CN201669263U (en) | 2010-05-14 | 2010-05-14 | Activated carbon regeneration and hazardous waste incineration integrated device |
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| Publication Number | Publication Date |
|---|---|
| CN201669263U true CN201669263U (en) | 2010-12-15 |
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| CN2010201918499U Expired - Lifetime CN201669263U (en) | 2010-05-14 | 2010-05-14 | Activated carbon regeneration and hazardous waste incineration integrated device |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101837365B (en) * | 2010-05-14 | 2012-08-29 | 浙江大学 | Integrated method and system of active carbon regeneration and hazardous waste incineration |
| CN102658283A (en) * | 2012-05-07 | 2012-09-12 | 浙江利保环境工程有限公司 | New process for treating solid waste by taking thermal conditioning as secondary and pyrolysis as primary |
| CN107487809A (en) * | 2017-10-18 | 2017-12-19 | 青岛瑞发恩环保科技有限公司 | Based on handling the method and system that make waste water upgrading up to standard in a manner of activated carbon is renewable |
| CN114177760A (en) * | 2022-02-16 | 2022-03-15 | 浙江百能科技有限公司 | System and method for oxidizing active oxygen in hazardous waste incineration flue gas and integrally discharging hazardous waste incineration flue gas in ultralow emission mode |
| CN114177761A (en) * | 2022-02-16 | 2022-03-15 | 浙江百能科技有限公司 | Ultralow emission system and method for hazardous waste incineration flue gas pollutants |
-
2010
- 2010-05-14 CN CN2010201918499U patent/CN201669263U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101837365B (en) * | 2010-05-14 | 2012-08-29 | 浙江大学 | Integrated method and system of active carbon regeneration and hazardous waste incineration |
| CN102658283A (en) * | 2012-05-07 | 2012-09-12 | 浙江利保环境工程有限公司 | New process for treating solid waste by taking thermal conditioning as secondary and pyrolysis as primary |
| CN102658283B (en) * | 2012-05-07 | 2014-06-04 | 浙江利保环境工程有限公司 | New process for treating solid waste by taking thermal conditioning as secondary and pyrolysis as primary |
| CN107487809A (en) * | 2017-10-18 | 2017-12-19 | 青岛瑞发恩环保科技有限公司 | Based on handling the method and system that make waste water upgrading up to standard in a manner of activated carbon is renewable |
| CN114177760A (en) * | 2022-02-16 | 2022-03-15 | 浙江百能科技有限公司 | System and method for oxidizing active oxygen in hazardous waste incineration flue gas and integrally discharging hazardous waste incineration flue gas in ultralow emission mode |
| CN114177761A (en) * | 2022-02-16 | 2022-03-15 | 浙江百能科技有限公司 | Ultralow emission system and method for hazardous waste incineration flue gas pollutants |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20101215 Effective date of abandoning: 20120829 |