CN113976089A - Useless active carbon regeneration system - Google Patents
Useless active carbon regeneration system Download PDFInfo
- Publication number
- CN113976089A CN113976089A CN202010731020.1A CN202010731020A CN113976089A CN 113976089 A CN113976089 A CN 113976089A CN 202010731020 A CN202010731020 A CN 202010731020A CN 113976089 A CN113976089 A CN 113976089A
- Authority
- CN
- China
- Prior art keywords
- activated carbon
- stage
- waste
- waste activated
- regeneration system
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 121
- 230000008929 regeneration Effects 0.000 title claims abstract description 16
- 238000011069 regeneration method Methods 0.000 title claims abstract description 16
- 229910052799 carbon Inorganic materials 0.000 title abstract description 17
- 239000002699 waste material Substances 0.000 claims abstract description 37
- 230000004913 activation Effects 0.000 claims abstract description 19
- 238000003795 desorption Methods 0.000 claims abstract description 16
- 238000001035 drying Methods 0.000 claims abstract description 13
- 238000004806 packaging method and process Methods 0.000 claims abstract description 13
- 238000010438 heat treatment Methods 0.000 claims abstract description 11
- 238000005507 spraying Methods 0.000 claims abstract description 8
- 238000003763 carbonization Methods 0.000 claims abstract description 7
- 238000005406 washing Methods 0.000 claims abstract description 6
- 238000002955 isolation Methods 0.000 claims abstract description 5
- 239000000428 dust Substances 0.000 claims description 13
- 238000002156 mixing Methods 0.000 claims description 7
- 239000012492 regenerant Substances 0.000 claims description 7
- 239000002912 waste gas Substances 0.000 claims description 7
- 238000011282 treatment Methods 0.000 claims description 6
- 239000007921 spray Substances 0.000 claims description 5
- 238000012544 monitoring process Methods 0.000 claims description 4
- 238000002485 combustion reaction Methods 0.000 claims description 3
- 238000006477 desulfuration reaction Methods 0.000 claims description 2
- 230000023556 desulfurization Effects 0.000 claims description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 abstract description 5
- 239000011593 sulfur Substances 0.000 abstract description 4
- 229910052717 sulfur Inorganic materials 0.000 abstract description 4
- 229910002651 NO3 Inorganic materials 0.000 abstract description 3
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- 239000005864 Sulphur Substances 0.000 description 1
- 230000003213 activating effect Effects 0.000 description 1
- 239000003463 adsorbent Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010000 carbonizing Methods 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 238000011221 initial treatment Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- FGIUAXJPYTZDNR-UHFFFAOYSA-N potassium nitrate Chemical compound [K+].[O-][N+]([O-])=O FGIUAXJPYTZDNR-UHFFFAOYSA-N 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/30—Processes for preparing, regenerating, or reactivating
- B01J20/34—Regenerating or reactivating
- B01J20/3416—Regenerating or reactivating of sorbents or filter aids comprising free carbon, e.g. activated carbon
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/30—Processes for preparing, regenerating, or reactivating
- B01J20/34—Regenerating or reactivating
- B01J20/345—Regenerating or reactivating using a particular desorbing compound or mixture
- B01J20/3475—Regenerating or reactivating using a particular desorbing compound or mixture in the liquid phase
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/30—Processes for preparing, regenerating, or reactivating
- B01J20/34—Regenerating or reactivating
- B01J20/3483—Regenerating or reactivating by thermal treatment not covered by groups B01J20/3441 - B01J20/3475, e.g. by heating or cooling
Landscapes
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Treating Waste Gases (AREA)
- Carbon And Carbon Compounds (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
Abstract
The invention relates to a waste activated carbon regeneration system, which comprises the following steps: pretreatment, namely adding waste activated carbon into a desorption box for pre-desorption; in the drying and carbonization stage, the heating temperature of the activation furnace is 80-90 degrees, and 1-2H is kept; then continuously heating to 300-350 ℃, and continuously keeping 2-3H; in the activation stage, the activation furnace is heated to 800-; a spraying stage, namely continuously spraying and washing the activated carbon; in the drying stage, the washed activated carbon is dried to obtain reusable activated carbon; and (4) packaging, namely automatically packaging the dried waste activated carbon by utilizing an isolation bag through a packaging machine. Performing preliminary desorption on the activated carbon through pretreatment, then desorbing the sulfur and the nitrate in the waste activated carbon by high-temperature heating, and finally washing and drying to achieve the purpose of desorbing the waste activated carbon; this regeneration system simple manufacture, useless active carbon desorption is complete, realizes that useless active carbon can reuse.
Description
Technical Field
The invention relates to a regeneration system, in particular to a waste activated carbon regeneration system.
Background
The active carbon is a black porous solid carbon, and is produced by crushing and molding coal or carbonizing and activating uniform coal particles. The main component is carbon and contains a small amount of elements such as oxygen, hydrogen, sulfur, nitrogen, chlorine and the like. The specific surface area of the common activated carbon is 500-1700 m2Between/g. Has strong adsorption performance and is an industrial adsorbent with wide application. If the activated carbon is used once, the activated carbon is wasted, which causes resource waste, so that the used waste activated carbon tends to be used after desorption.
Disclosure of Invention
In order to overcome the defects, the invention provides a waste activated carbon regeneration system.
The technical scheme adopted by the invention for solving the technical problems is as follows: a spent activated carbon regeneration system comprising the steps of:
pretreatment, namely adding waste activated carbon into a desorption box for pre-desorption;
in the drying and carbonization stage, the heating temperature of the activation furnace is 80-90 degrees, and 1-2H is kept; then continuously heating to 300-350 ℃, and continuously keeping 2-3H;
in the activation stage, the activation furnace is heated to 800-;
a spraying stage, namely continuously spraying and washing the activated carbon;
in the drying stage, the washed activated carbon is dried to obtain reusable activated carbon;
and (4) packaging, namely automatically packaging the dried waste activated carbon by utilizing an isolation bag through a packaging machine.
Further, the activation furnace is connected with a waste gas treatment device through a pipeline, and the waste gas treatment device comprises a combustion chamber, a dry reactor, a dust remover and an online monitoring system which are sequentially connected.
Further, the dust remover comprises a bag-type dust remover and a secondary spray tower connected with the bag-type dust remover.
Further, the regenerant is uniformly sprayed on the waste activated carbon for desulfurization and denitrification.
Further, a mixing stage is added between the pretreatment stage and the drying carbonization stage, a regenerant is added into the waste activated carbon, and the waste activated carbon is fully stirred and mixed in a mixing cylinder and then is put into an activation furnace.
The invention has the beneficial effects that: performing preliminary desorption on the activated carbon through pretreatment, then desorbing the sulfur and the nitrate in the waste activated carbon by high-temperature heating, and finally washing and drying to achieve the purpose of desorbing the waste activated carbon; this regeneration system simple manufacture, useless active carbon desorption is complete, realizes that useless active carbon can reuse.
Drawings
FIG. 1 is a schematic diagram of the present invention.
Detailed Description
The following detailed description of the preferred embodiments of the present invention, taken in conjunction with the accompanying drawings, will make the advantages and features of the invention easier to understand by those skilled in the art, and thus will clearly and clearly define the scope of the invention.
As shown in fig. 1, a waste activated carbon regeneration system includes the following steps:
pretreatment, namely adding waste activated carbon into a desorption box for pre-desorption;
in the drying and carbonization stage, the heating temperature of the activation furnace is 80-90 degrees, and 1-2H is kept; then continuously heating to 300-350 ℃, and continuously keeping 2-3H;
in the activation stage, the activation furnace is heated to 800-;
a spraying stage, namely continuously spraying and washing the activated carbon;
in the drying stage, the washed activated carbon is dried to obtain reusable activated carbon;
and (4) packaging, namely automatically packaging the dried waste activated carbon by utilizing an isolation bag through a packaging machine.
The waste active carbon is subjected to primary treatment through pretreatment, so that waste in the waste active carbon is reduced; then, desorbing sulfur and nitrate in the waste activated carbon by using high temperature; and finally, the desorbed active carbon is packaged by an isolation bag, so that the active carbon can be packaged and isolated by a water-proof and gas-insulating packaging bag in order to avoid the active carbon from contacting air in the transportation or storage process and reduce the desorption effect of the active carbon.
The activation furnace passes through pipe connection exhaust treatment device, and exhaust treatment device is including the combustion chamber, dry-type reactor, dust remover and the on-line monitoring system that connect gradually, realizes through the activation furnace that the high temperature heating to useless active carbon comes out with the sulphur and nitre desorption in the useless active carbon, and the waste gas that the desorption came out is discharged after further processing, and exhaust waste gas discharges after on-line monitoring system detects qualifiedly.
The dust remover comprises a bag-type dust remover and a secondary spray tower connected with the bag-type dust remover, waste gas is treated by the bag-type dust remover and the secondary spray tower, and the equipment is easy to purchase on the market, simple in source and convenient to install and use.
Evenly spray the regenerant on being used for SOx/NOx control waste activated carbon for regenerant and waste activated carbon intensive mixing improve waste activated carbon regeneration efficiency and speed. Specifically, a mixing stage is added between the pretreatment stage and the drying carbonization stage, a regenerant is added into the waste activated carbon, and the waste activated carbon is fully stirred and mixed in a mixing cylinder and then is put into an activation furnace.
The method has the advantages of simple process and convenient operation, and through the continuous matching of all the steps, the waste activated carbon is regenerated and is convenient to reuse, the cost is saved, and the economic benefit is improved.
It is to be emphasized that: the above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes performed by the present specification and drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (5)
1. A waste activated carbon regeneration system is characterized by comprising the following steps:
pretreatment, namely adding waste activated carbon into a desorption box for pre-desorption;
in the drying and carbonization stage, the heating temperature of the activation furnace is 80-90 degrees, and 1-2H is kept; then continuously heating to 300-350 ℃, and continuously keeping 2-3H;
in the activation stage, the activation furnace is heated to 800-;
a spraying stage, namely continuously spraying and washing the activated carbon;
in the drying stage, the washed activated carbon is dried to obtain reusable activated carbon;
and (4) packaging, namely automatically packaging the dried waste activated carbon by utilizing an isolation bag through a packaging machine.
2. A waste activated carbon regeneration system as claimed in claim 1, wherein the activation furnace is connected to a waste gas treatment device through a pipeline, and the waste gas treatment device comprises a combustion chamber, a dry reactor, a dust remover and an on-line monitoring system which are connected in sequence.
3. The spent activated carbon regeneration system of claim 2, wherein the dust collector comprises a bag-type dust collector and a secondary spray tower connected to the bag-type dust collector.
4. The waste activated carbon regeneration system as set forth in claim 1, wherein the regenerant is uniformly sprayed on the waste activated carbon for desulfurization and denitrification.
5. A waste activated carbon regeneration system as defined in claim 1, wherein a mixing stage is added between the pretreatment and drying carbonization stages, and a regenerant is added to the waste activated carbon, which is then placed in the activation furnace after being sufficiently stirred and mixed in the mixing drum.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010731020.1A CN113976089A (en) | 2020-07-27 | 2020-07-27 | Useless active carbon regeneration system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010731020.1A CN113976089A (en) | 2020-07-27 | 2020-07-27 | Useless active carbon regeneration system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113976089A true CN113976089A (en) | 2022-01-28 |
Family
ID=79731439
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010731020.1A Pending CN113976089A (en) | 2020-07-27 | 2020-07-27 | Useless active carbon regeneration system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113976089A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116371390A (en) * | 2023-04-07 | 2023-07-04 | 北京市弘洁蓝天科技股份有限公司 | Method for carbonization and regeneration of waste activated carbon and regenerated activated carbon |
-
2020
- 2020-07-27 CN CN202010731020.1A patent/CN113976089A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116371390A (en) * | 2023-04-07 | 2023-07-04 | 北京市弘洁蓝天科技股份有限公司 | Method for carbonization and regeneration of waste activated carbon and regenerated activated carbon |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112569916B (en) | Method for regenerating waste active carbon | |
| CN201684613U (en) | Microwave activated carbon regenerating device | |
| CN110508236B (en) | Efficient sintering flue gas adsorbent prepared by microwave synergistic treatment of waste residues and method | |
| CN107961770B (en) | Regeneration system and regeneration method of adsorbent in coke oven flue gas purification | |
| CN103877856A (en) | Coke oven flue gas waste heat utilization and purification method | |
| CN103436378B (en) | Cleaning solution for denitration catalyst duct blockage in thermal power plant and method for cleaning denitration catalyst by using cleaning solution | |
| CN106955571A (en) | A kind of industrial smoke ozone step-by-step oxidation absorbs the device and method of simultaneous SO_2 and NO removal | |
| CN204933192U (en) | A kind of organic exhaust gas adsorption integral system | |
| CN113976089A (en) | Useless active carbon regeneration system | |
| CN111617752A (en) | Method for regenerating waste activated carbon for water treatment | |
| CN203862087U (en) | Energy-saving waste gas treating system for easy-to-draw cover coating equipment | |
| CN103657327B (en) | Triethylamine cold-box core making tail gas treatment and amine recovery method, and apparatus thereof | |
| CN109173669B (en) | Method for purifying yellow phosphorus tail gas | |
| CN106378120A (en) | Regeneration system and regeneration method of activated carbon | |
| CN113499778A (en) | Coal gasification slag cement kiln high-temperature flue gas denitration catalyst and preparation method thereof | |
| CN112642495A (en) | Realize low SO2Catalyst regeneration and modification method for conversion rate and high zero-valent mercury oxidation performance | |
| JPH09234333A (en) | Method for dry treatment of exhaust gas and apparatus therefor | |
| CN114788989A (en) | Equipment and method suitable for whole-plant flue gas purification of waste tire treatment | |
| CN217188804U (en) | Be suitable for junked tire to handle equipment of whole factory's gas cleaning | |
| CN114984721B (en) | System and method for recycling carbon dioxide in flue gas | |
| CN113908797B (en) | Adsorbent for desulfurizing blast furnace gas and capturing heavy metals as well as preparation and application thereof | |
| CN114177898B (en) | Low-temperature thermal regeneration and solvent regeneration-ultrasonic wave/persulfate regeneration coupled powder activated carbon composite regeneration method | |
| CN109943364A (en) | One kind high COD chemical industry dangerous waste processing with high salt and method of resource | |
| CN212017336U (en) | Coking industry chemical product desulfurization workshop section waste gas treatment device | |
| CN107376613B (en) | Carbide slag drying and flue gas desulfurization dust removal device and method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20220128 |