CN116212838A - Integrated device for centralized transfer and regeneration of activated carbon - Google Patents
Integrated device for centralized transfer and regeneration of activated carbon Download PDFInfo
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- CN116212838A CN116212838A CN202211462956.4A CN202211462956A CN116212838A CN 116212838 A CN116212838 A CN 116212838A CN 202211462956 A CN202211462956 A CN 202211462956A CN 116212838 A CN116212838 A CN 116212838A
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 196
- 230000008929 regeneration Effects 0.000 title claims abstract description 30
- 238000011069 regeneration method Methods 0.000 title claims abstract description 30
- 238000003795 desorption Methods 0.000 claims abstract description 77
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 68
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 29
- 238000007084 catalytic combustion reaction Methods 0.000 claims abstract description 24
- 239000007789 gas Substances 0.000 claims abstract description 23
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 11
- 230000001502 supplementing effect Effects 0.000 claims abstract description 5
- 239000003610 charcoal Substances 0.000 claims description 16
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 14
- 238000000034 method Methods 0.000 claims description 13
- 239000010815 organic waste Substances 0.000 claims description 10
- 238000011049 filling Methods 0.000 claims description 8
- 238000001179 sorption measurement Methods 0.000 claims description 8
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 7
- 239000001569 carbon dioxide Substances 0.000 claims description 7
- 229910001873 dinitrogen Inorganic materials 0.000 claims description 7
- VUZPPFZMUPKLLV-UHFFFAOYSA-N methane;hydrate Chemical compound C.O VUZPPFZMUPKLLV-UHFFFAOYSA-N 0.000 claims description 7
- 239000002912 waste gas Substances 0.000 claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- 239000011148 porous material Substances 0.000 claims description 5
- 239000003054 catalyst Substances 0.000 claims description 4
- 238000005485 electric heating Methods 0.000 claims description 4
- 230000004913 activation Effects 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 claims description 3
- 239000012141 concentrate Substances 0.000 claims 1
- 239000002920 hazardous waste Substances 0.000 abstract description 2
- 230000008901 benefit Effects 0.000 description 4
- 229920006395 saturated elastomer Polymers 0.000 description 3
- 238000000746 purification Methods 0.000 description 2
- 239000012855 volatile organic compound Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910000510 noble metal Inorganic materials 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Classifications
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- 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
-
- 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
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/14—Production of inert gas mixtures; Use of inert gases in general
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Analytical Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
Abstract
The invention relates to an integrated device for centralized transfer and regeneration of active carbon, which comprises a carbon desorption box, a catalytic combustion device, a lifter, a nitrogen desorption protection device, a mixed flow box, a desorption fan, an air supplementing fan and an electric control box, wherein the lifter is arranged beside the two carbon desorption boxes, the top of the two carbon desorption boxes is connected with the catalytic combustion device through a gas pipeline through the nitrogen desorption protection device, the catalytic combustion device is connected with the mixed flow box, and the mixed flow box is connected with the bottoms of the two carbon desorption boxes through the gas pipeline. And the air pipeline connected with the bottom of the mixed flow box and the carbon desorption box is also connected with an air supplementing fan. The mixed flow box is also connected with a desorption fan and a chimney. By adopting the integrated device for centralized transportation and regeneration of the activated carbon, the repeated use times of the activated carbon are improved, the generation amount of hazardous waste is reduced, and the economic cost of using the activated carbon for users is reduced.
Description
Technical Field
The invention relates to an integrated device for centralized transfer and regeneration of activated carbon, which is suitable for centralized transfer of activated carbon in different carbon boxes to the integrated device, and the activated carbon saturated by adsorption is regenerated by the integrated device for regeneration and then reused.
Background
The activated carbon is widely applied to the treatment of industrial VOCs waste gas, has good adsorption effect on part of low-concentration organic waste gas, and most of adsorption carbon boxes are not provided with desorption devices due to factor limit values such as equipment sites, air quantity, investment and the like, and are directly replaced with new activated carbon after being adsorbed and saturated, so that the old activated carbon is qualitatively dangerous waste treatment and cannot be reused.
The industrial VOCs waste gas is treated by using an activated carbon adsorption-desorption-catalytic combustion process, the treatment efficiency is high, the activated carbon can be reused, but the desorption activated carbon is only suitable for in-situ desorption of the activated carbon, and the desorption activated carbon does not have the function of desorbing off-site.
If the process is adopted to regenerate the activated carbon, the construction and use cost is high, and the process is also limited by other factors, so that all the carbon boxes cannot be modified into the activated carbon adsorption-desorption-catalytic combustion process.
Therefore, a device which is convenient for transferring the activated carbon and is used for intensively regenerating the activated carbon is needed, and meanwhile, waste gas generated by desorption is subjected to harmless treatment, so that secondary pollution is not generated.
Disclosure of Invention
The invention aims to provide an integrated treatment device which is convenient for the centralized transportation of activated carbon and regeneration of the activated carbon, and is used for carrying out regeneration treatment in the device after the activated carbon saturated in adsorption is centralized, the regenerated activated carbon can be reused, the utilization efficiency of the activated carbon is improved, the operation cost of the activated carbon in a use unit is reduced, and meanwhile, the organic gas generated in the regeneration process can be subjected to harmless treatment.
In order to solve the technical problems, the invention adopts the following technical scheme: the utility model provides an integrated device that regenerates is concentrated to activated carbon, includes charcoal desorption case, catalytic combustion device, lift, nitrogen gas desorption protection device, mixed flow case, desorption fan, air make-up fan, electrical control box, and two charcoal desorption case next door are equipped with the lift, and the top is passed through the gas line and is connected catalytic combustion device through nitrogen gas desorption protection device, and catalytic combustion device connects mixed flow case, and mixed flow case passes through the bottom of gas line connection two charcoal desorption case.
Further, the air pipeline connected with the bottom of the mixed flow box and the carbon desorption box is also connected with an air supplementing fan.
Further, the mixed flow box is also connected with a desorption fan and a chimney.
Further, the specification and the size of a carbon tray used in the carbon desorption box are the same as those of the adsorption box; and a limit guide rail is arranged in the carbon desorption box, so that the carbon tray can conveniently enter and exit in the box.
Further, the carbon trays are provided with pore plates with pore diameters of 4mm by 4mm, and are used for selectively filling honeycomb carbon or granular activated carbon, and the weight of each tray is not more than 25kg under the condition of filling activated carbon.
Further, activated carbon is filled in the carbon tray, the activated carbon is transported along with the carbon tray, the carbon tray is intensively placed in the lifter, the carbon tray is lifted to a filling platform by the lifter, and the carbon tray is placed in the carbon desorption box.
Further, the catalytic combustion device utilizes the catalyst to reduce the reaction activation energy of the organic waste gas, reduce the ignition temperature of the organic waste gas, and decompose the organic waste gas into carbon dioxide and water under the action of electric heating.
Further, after the activated carbon to be regenerated is filled into the carbon desorption box, a desorption regeneration mode is started, the temperature is automatically raised to a set temperature, the set temperature is maintained for a period of time, organic components in the activated carbon desorption waste gas are decomposed into harmless carbon dioxide and water in the catalytic combustion device, and the purified gas is discharged to the high altitude along with a chimney.
Further, nitrogen desorption protection device lets in the nitrogen gas that purity is 99.5% when carbon desorption case desorption in-process overtemperature, cools down the carbon desorption case, avoids carbon desorption incasement active carbon risk of firing, continues to let in nitrogen gas for a period of time after the desorption finishes, plays the guard action.
The beneficial effects of the invention are as follows:
(1) The integrated device for centralized transfer and regeneration of the activated carbon is adopted, so that the repeated use times of the activated carbon are improved, the generation amount of hazardous waste is reduced, and the economic cost of using the activated carbon by a user is reduced.
(2) The activated carbon is filled and adopts the modularized design, and each carbon tray module is of a uniform size, so that the activated carbon can be easily filled in the desorption box and the adsorption box, and the breakage rate of the activated carbon is reduced. Lifting and transferring are carried out through the lifter, so that the working efficiency of replacing activated carbon is improved.
(3) The high-purity nitrogen generating device can ensure the safe operation of the device in the desorption regeneration process, and greatly reduce the operation risk of the device.
Drawings
FIG. 1 is a schematic diagram of an integrated device for centralized transport and regeneration of activated carbon.
Detailed Description
The invention provides an integrated device for centralized transfer and regeneration of active carbon, which aims to make the advantages and the technical scheme of the invention clearer and more definite, so as to explain the invention in detail by combining specific examples.
As shown in fig. 1, the integrated device for centralized transfer and regeneration of activated carbon provided by the embodiment of the invention comprises a first carbon desorption box, a second carbon desorption box, a first carbon desorption box, a catalytic combustion device 1, a lifter 11, a nitrogen desorption protection device 3, a mixed flow box 5, a desorption fan 6, an air supplementing fan 7, an electric control box, a matched air pipe and the like.
Two charcoal desorption case next door are equipped with lift 11, and catalytic combustion device 1 is connected through nitrogen gas desorption protection device 3 to the top, and catalytic combustion device 1 connects mixed flow case 5, and mixed flow case 5 passes through the bottom of two charcoal desorption cases of gas piping connection, still is connected with air make-up fan 7 on this gas piping. The mixed flow box 5 is also connected with a desorption fan 6 and a chimney 8.
The carbon tray in the carbon desorption box and the adsorption box are unified 600mm 700mm 125mm in specification and size, and the limit guide rail is arranged in the carbon box, so that the carbon tray can conveniently enter and exit in the carbon box. The tray pore plate uses 4mm by 4mm aperture, can selectively load honeycomb charcoal or granular activated carbon, and the weight of each tray is not more than 25kg when loading activated carbon.
Activated carbon is always filled in the carbon trays, and is transported along with the carbon trays, the carbon trays are intensively placed in the lifter, the number of the carbon trays is 20 each time in transportation, the carbon trays are lifted to a filling platform, and the trays are manually placed in the regenerated carbon box.
The tail end waste gas treatment of the device adopts a catalytic combustion process, the reaction activation energy of the organic waste gas is reduced by using a catalyst, the ignition temperature of the organic waste gas is reduced, and the organic waste gas can be decomposed into inorganic substances such as carbon dioxide, water and the like under the action of electric heating.
According to the process, after activated carbon to be regenerated is filled into a carbon desorption box, a desorption regeneration mode is started, the system is automatically heated to a set temperature, the set temperature is maintained for a period of time, organic components in activated carbon desorption waste gas are decomposed into harmless carbon dioxide and water in a catalytic combustion device, and purified gas is discharged to the high altitude along with a chimney.
The process is provided with the nitrogen desorption protection device, nitrogen with the purity of 99.5% is introduced when the temperature exceeds the temperature in the desorption process of the carbon box, the carbon box is cooled, and the risk of ignition of active carbon in the carbon box is avoided. And after the desorption is finished, nitrogen is continuously introduced for a period of time, so that the protection effect is realized.
Transfer the charcoal tray in the charcoal case of different places in the factory to regeneration integration device by, pile up the charcoal tray and put in the lift, mechanical promotion is taken advantage of to filling the platform, fills the charcoal tray along spacing guide to charcoal desorption charcoal incasement, and the back is filled to the charcoal tray, opens the automatic desorption function of system on the touch-sensitive screen on the electric cabinet, begins to carry out active carbon desorption regeneration work. The whole regeneration process time is 3 hours, the temperature in the carbon desorption box is about 100 ℃, and the temperature in the catalytic combustion device is about 300 ℃. At the temperature, the organic components adsorbed in the activated carbon are desorbed and enter a catalytic combustion device to be decomposed under the action of a noble metal catalyst to generate nontoxic harmless carbon dioxide and water. The clean gas after combustion is discharged through a chimney at high altitude. The electric heating system is arranged in the catalytic combustion device, and the running state of the catalytic combustion device is automatically regulated by receiving the real-time running signal of the system, so that an auxiliary heat source is provided for the system in good time.
The following is a detailed description of examples.
Example 1:
according to the actual production condition in a certain factory, after the treatment of the invention is adopted, the annual saving cost is about 148 ten thousand yuan, the stable emission of the integrated device can be ensured to reach the standard, and the detailed economic benefit and the treatment efficiency are shown in the following table:
TABLE 1 economic benefit comparison Table
Table 2 purification efficiency of the device
Description: the purification efficiency of the device in different regeneration operation time periods can reach more than 95 percent. When the device is regenerated for 180 minutes, the catalytic inlet concentration is reduced to 10mg/m 3, And the activated carbon is regenerated in the desorption box and can be reused.
Claims (9)
1. The utility model provides a regeneration integrated device is transported in active carbon concentrate which characterized in that: including charcoal desorption case, catalytic combustion device, lift, nitrogen gas desorption protection device, mixed flow case, desorption fan, air make-up fan, electrical control box, two charcoal desorption case next door are equipped with the lift, and the top is connected catalytic combustion device through nitrogen gas desorption protection device through the gas line, and catalytic combustion device connects mixed flow case, and mixed flow case passes through the bottom of two charcoal desorption cases of gas line connection.
2. The integrated activated carbon centralized transport and regeneration device according to claim 1, wherein: and the air pipeline connected with the bottom of the mixed flow box and the carbon desorption box is also connected with an air supplementing fan.
3. The integrated activated carbon centralized transport and regeneration device according to claim 1, wherein: the mixed flow box is also connected with a desorption fan and a chimney.
4. The integrated activated carbon centralized transport and regeneration device according to claim 1, wherein: the specification and the size of a carbon tray used in the carbon desorption box are the same as those of the adsorption box; and a limit guide rail is arranged in the carbon desorption box, so that the carbon tray can conveniently enter and exit in the box.
5. The integrated activated carbon centralized transport and regeneration device according to claim 4, wherein: the carbon trays are provided with pore plates with the pore diameters of 4mm and are used for selectively filling honeycomb carbon or granular activated carbon, and the weight of each tray is not more than 25kg under the condition of filling activated carbon.
6. The integrated activated carbon centralized transport and regeneration device according to claim 4, wherein: activated carbon is filled in the carbon tray, the activated carbon is transported along with the carbon tray, the carbon tray is intensively placed in the lifter, the carbon tray is lifted to a filling platform by the lifter, and the carbon tray is placed in the carbon desorption box.
7. The integrated activated carbon centralized transport and regeneration device according to claim 1, wherein: the catalytic combustion device utilizes a catalyst to reduce the reaction activation energy of the organic waste gas, reduce the ignition temperature of the organic waste gas, and decompose the organic waste gas into carbon dioxide and water under the action of electric heating.
8. The integrated activated carbon centralized transport and regeneration device according to claim 1, wherein: and after the activated carbon to be regenerated is filled into the carbon desorption box, a desorption regeneration mode is started, the temperature is automatically raised to a set temperature, the set temperature is maintained for a period of time, organic components in the activated carbon desorption waste gas are decomposed into harmless carbon dioxide and water in the catalytic combustion device, and the purified gas is discharged to the high altitude along with a chimney.
9. The integrated activated carbon centralized transport and regeneration device according to claim 1, wherein: the nitrogen desorption protection device is characterized in that nitrogen with the purity of 99.5% is introduced when the desorption process of the carbon desorption box is overtemperature, the carbon desorption box is cooled, the risk of ignition of activated carbon in the carbon desorption box is avoided, and the nitrogen is introduced continuously for a period of time after the desorption is finished, so that the protection effect is achieved.
Priority Applications (1)
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CN202211462956.4A CN116212838A (en) | 2022-11-22 | 2022-11-22 | Integrated device for centralized transfer and regeneration of activated carbon |
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CN202211462956.4A CN116212838A (en) | 2022-11-22 | 2022-11-22 | Integrated device for centralized transfer and regeneration of activated carbon |
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Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106215913A (en) * | 2016-08-10 | 2016-12-14 | 广东颢禾环保有限公司 | A kind of activated carbon regenerating equipment |
CN207221597U (en) * | 2017-07-13 | 2018-04-13 | 湖北迈威环境工程有限公司 | A kind of VOCs adsoption catalysises burning processing system automatically controlled |
CN111545011A (en) * | 2020-05-11 | 2020-08-18 | 浙江浩博环保设备有限公司 | Activated carbon adsorption, desorption and catalytic combustion all-in-one machine and working method thereof |
CN212057328U (en) * | 2020-04-20 | 2020-12-01 | 苏州绿通环保科技有限公司 | Catalytic combustion fresh air supplementing device |
CN218784827U (en) * | 2022-11-22 | 2023-04-04 | 中国船舶集团有限公司第七〇四研究所 | Integrated device for centralized transferring and regenerating of active carbon |
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- 2022-11-22 CN CN202211462956.4A patent/CN116212838A/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106215913A (en) * | 2016-08-10 | 2016-12-14 | 广东颢禾环保有限公司 | A kind of activated carbon regenerating equipment |
CN207221597U (en) * | 2017-07-13 | 2018-04-13 | 湖北迈威环境工程有限公司 | A kind of VOCs adsoption catalysises burning processing system automatically controlled |
CN212057328U (en) * | 2020-04-20 | 2020-12-01 | 苏州绿通环保科技有限公司 | Catalytic combustion fresh air supplementing device |
CN111545011A (en) * | 2020-05-11 | 2020-08-18 | 浙江浩博环保设备有限公司 | Activated carbon adsorption, desorption and catalytic combustion all-in-one machine and working method thereof |
CN218784827U (en) * | 2022-11-22 | 2023-04-04 | 中国船舶集团有限公司第七〇四研究所 | Integrated device for centralized transferring and regenerating of active carbon |
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