CN105771946A - Regeneration system and method for activated coke - Google Patents
Regeneration system and method for activated coke Download PDFInfo
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- CN105771946A CN105771946A CN201610323459.4A CN201610323459A CN105771946A CN 105771946 A CN105771946 A CN 105771946A CN 201610323459 A CN201610323459 A CN 201610323459A CN 105771946 A CN105771946 A CN 105771946A
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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
- B01J20/3416—Regenerating or reactivating of sorbents or filter aids comprising free carbon, e.g. activated carbon
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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
- 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
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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
- B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
- B01J20/20—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising free carbon; comprising carbon obtained by carbonising processes
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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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
- B01D2253/10—Inorganic adsorbents
- B01D2253/102—Carbon
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/30—Sulfur compounds
- B01D2257/302—Sulfur oxides
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/40—Nitrogen compounds
Abstract
The invention discloses a regeneration system and method for activated coke. The regeneration system comprises a regeneration tower, wherein the regeneration tower is provided with a loading section, a heating regeneration section, a precooling section, a cooling section and an unloading section sequentially from top to bottom; the heating regeneration section is provided with a first input port for inputting high-temperature flue gas and a first output port for outputting low-temperature flue gas; the precooling section is provided with a second input port for inputting the low-temperature flue gas and a second output port for outputting the high-temperature flue gas; both the first input port and the second output port communicate with a hot-blast stove; the first output port separately communicates with a recirculating blower and a heat exchanger, the recirculating blower communicates with the second input port, and the heat exchanger communicates with the loading section of the regeneration tower. According to the system and the method, the recycling of residual heat is achieved through arranging the hot-blast stove, the recirculating blower, the heat exchanger and the like, the utilization ratio of energy is effectively increased, the process flow is simple, and preferably, the activated coke can be uniformly heated.
Description
Technical field
The present invention relates to the technical field that the activated coke for desulphurization denitration regenerates, especially a kind of active coke regeneration system and renovation process.
Background technology
Activated coke dry FGD process technology is to utilize the absorption property of activated coke, it is achieved the flue gas integrated purifyings such as the de-denitration demercuration of combined desulfurization, belongs to the smoke gas treatment technology reclaiming Sulphur ressource.At present this technology receives the favor of more and more people in the filed of flue gas purification of the industries such as metallurgy, chemical industry, coal-burning boiler and iron and steel, and wherein, the performance of activated coke is to affect the critical material of gas cleaning efficiency.
And in activated coke dry FGD process process, for adsorb saturated after activated coke regenerate so that it is recover absorption property thus putting back into, it is possible to effectively reduce operating cost.
Commonly used is moving bed thermal regeneration methods at present.Application publication number CN104722286A, name is called " the continuous activating and regenerating system of activated coke/charcoal ", and this system includes activating and regenerating tower, and activating and regenerating tower is sequentially provided with charge section, dispensing section, activating and regenerating section, segregation section, cooling section and unloading part from top to bottom.Each activated coke/charcoal passage is the tube-in-tube structure of the two sheathed formation of annular sidewall, and activated coke formation of flowing in tower is easily formed columnar flow, it is easy to causing inequality of being heated, heat transfer effect is poor；Application number " CN103977778B ", patent name is " a kind of active coke regeneration device ", it is big that electrical heating heating-up temperature promotes gradient and the cooler gradient that cools, need energy consumption high, and it is provided with upper and lower air extraction structure, technological process is complicated, and operation controls loaded down with trivial details, necessarily causes the raising of system operation cost.
Summary of the invention
It is an object of the invention to provide a kind of active coke regeneration system and renovation process, its capacity usage ratio is high, and technological process is simple, is more optimizedly heated evenly, and heat transfer effect is preferably.
Technical scheme provided by the invention is as follows:
A kind of active coke regeneration system, including:
Regenerator, described regenerator is sequentially provided with charge section, thermal regeneration section, precooling zone, cooling section and unloading part from top to bottom；
Described thermal regeneration section is provided with the first input port for high-temperature flue gas input and the first delivery outlet for low-temperature flue gas output；
Described precooling zone is provided with the second input port for low-temperature flue gas input and the second delivery outlet for high-temperature flue gas output；
Described first input port all connects with an air stove with described second delivery outlet；
Described first delivery outlet is respectively communicated with a circulating fan and connects with heat exchanger, and described circulating fan connects with described second input port, and described heat exchanger connects with the entrance of the described charge section of described regenerator.
In the technical program, soft circulation circuit and the input heat exchanger of thermal regeneration section low-temperature flue gas that thermal regeneration section, precooling zone, air stove and circulating fan are formed connect the soft circulation circuit formed with charge section, meet remaining pick up the heat, its capacity usage ratio is high, technological process is simple, more optimizedly being heated evenly, heat transfer effect is preferably.
Preferably, described heat exchanger is additionally provided with the medium inlet entered for heat transferring medium.
Preferably, described medium is nitrogen.
Medium is entered heat exchanger by medium inlet, and carry out heat exchange with the low-temperature flue gas exported from thermal regeneration section, heat exchange is carried out by pipeline and the cryogenic media nitrogen entering heat exchanger owing to the low-temperature flue gas temperature of thermal regeneration section output is typically in 300-350 DEG C, make its medium nitrogen temperature at temperature 100-150 DEG C, the top inputting charge section finally by pipeline carries out sealing gland, the activated coke entered can also be preheated simultaneously, furthermore achieved that remaining pick up the heat, effectively improve capacity usage ratio.
Preferably, described air stove is additionally provided with the first import for combustion gas entrance and the second import entered for air；
Described second import is also connected with a combustion air blower fan.
Preferably, described cooling section is provided with the 3rd input port for Cryogenic air input and the 3rd delivery outlet for high temperature air output；
Described 3rd delivery outlet connects with described combustion air blower fan.
By the first and second inlets of setting in air stove in the technical program, meet simultaneously by the input of combustion gas and air, effectively accelerate the burning of combustion gas, and ensure that combustion gas is fully used.Simultaneously by the connection of fire-retardant air blower Yu the second import, can by high-temperature flue gas input combustion air blower fan in cooling section, another soft circulation circuit of formation is so connected with air stove, realize the recycling again to waste heat, make its heat exchange more uniform, capacity usage ratio is higher, optimally reduces energy consumption.
Preferably, cooling blower, described cooling blower connects with described 3rd input port, for Cryogenic air being inputted in described cooling section.
The cooling blower effect arranged is that the cooling section to regenerator cools down again, meets and the activated coke after regeneration is further cooled down, and improves cooling effectiveness.
It is further preferred that regeneration gas blower fan on the basis of said structure, described regeneration gas blower fan connects with described thermal regeneration section, for the regeneration gas in described thermal regeneration section being extracted out.
In the technical program, after the thermal regeneration section of activated coke entrance regenerator, after regenerative response, produce regeneration gas and (be containing SO2Concentration is the mixing gas of 15-20%), this gas is extracted and is entered out by-product process system by the regeneration blower fan arranged and processes, it is achieved SO2Recycling.
Present invention also offers a kind of reactive coke regeneration method, utilize active coke regeneration system described above to carry out regeneration method, including as follows:
Absorption saturated active coke is from the entrance of charge section to thermal regeneration section, regenerative response is carried out after heating from the high-temperature flue gas of air stove, after high-temperature flue gas input is carried out heat exchange to thermal regeneration section by air stove, a low-temperature flue gas part inputs precooling zone from circulating fan, and another portion discharges after medium in heat exchanger with heat exchanger carries out heat exchange.
Preferably, after the activated coke after the low-temperature flue gas of precooling zone input and regeneration carries out heat exchange, high-temperature flue gas inputs air stove through combustion air blower fan.
Preferably, activated coke is after regenerative response, and the gas of generation is reproduced gas blower fan and extracts out, and the activated coke after regeneration exports from the outlet of unloading part；
And/or；
Outer low temperature air is inputted in described cooling section by cooling blower.
By a kind of active coke regeneration system provided by the invention and renovation process, it is possible to bring following at least one beneficial effect:
1, the active coke regeneration system of the present invention, the regenerator of setting is constituted by being sequentially provided with charge section, thermal regeneration section, precooling zone, cooling section and unloading part from top to bottom.By the circulating fan arranged, a part of low-temperature flue gas of thermal regeneration section is inputted precooling zone to recycle；After another part low-temperature flue gas of thermal regeneration section being carried out heat exchange with the medium in heat exchanger by the heat exchanger arranged, heat exchanger input charge section and activated coke is preheated；And by the air stove arranged, the high-temperature flue gas of cooling section is recycled.The capacity usage ratio of whole system is high, and technological process is simple, is more optimizedly heated evenly, and heat transfer effect is preferably.
2, the air stove arranged in the active coke regeneration system in the present invention, in iron and steel metallurgical industry, itself is equipped with, it is not necessary to newly-built, directly utilizes the heat transferring medium in the high-temperature flue gas place regenerator that air stove produces, further put forward high-octane utilization rate, more optimizedly reduce production cost.
3, in the active coke regeneration system of the present invention, realize low-temperature flue gas and medium are carried out heat exchange by heat exchanger, in gas input charge section after heat exchange, the activated coke from the first delivery outlet low-temperature flue gas out is saturated with absorption is avoided directly to contact, cause the pollution to activated coke, it is possible to effectively ensure the good absorption property after activated coke regeneration.
4, regeneration methods of the invention is simple to operate, and preferably, activated coke heating is more uniform for heat recovery effect, improves the performance of the activated coke after regeneration further, and saves energy consumption, reduces the operating cost of system.
Accompanying drawing explanation
Below by the way of clearly understandable, accompanying drawings preferred implementation, a kind of active coke regeneration system and the above-mentioned characteristic of renovation process, technical characteristic, advantage and implementation thereof are further described.
Fig. 1 is the structural representation of a kind of active coke regeneration system of the present invention.
Drawing reference numeral illustrates:
1-regenerator；
101-charge section；
102-thermal regeneration section；1021-the first input port；1022-the first delivery outlet；1023-regeneration gas exports；
103-precooling zone；1031-the second input port；1032-the second delivery outlet；
104-cooling section；1041-the 3rd input port；1042-the 3rd delivery outlet；
105-unloading part；
2-air stove；201-the first import；202-the second import；
3-circulating fan；4-heat exchanger；401-medium inlet；5-combustion air blower fan；6-cold wind blower fan；7-regeneration gas blower fan.
Detailed description of the invention
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below comparison accompanying drawing is illustrated the specific embodiment of the present invention.It should be evident that the accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the premise not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings, and obtain other embodiment.
In an embodiment of the present invention, referring to active coke regeneration system a kind of shown in Fig. 1, this regenerative system includes regenerator 1, and regenerator 1 is sequentially provided with charge section 101, thermal regeneration section 102, precooling zone 103, cooling section 104, unloading part 105 from top to bottom.During practice, thermal regeneration section 102 arranges first input port 1021 for high-temperature flue gas input and the first delivery outlet 1022 for low-temperature flue gas output；On precooling zone 103, it is provided with the second input port 1031 for low-temperature flue gas input and the second delivery outlet 1032 for high-temperature flue gas output simultaneously.
Concrete connects with the import and export of air stove 2 with the second delivery outlet 1032 respectively by the first input port 1021, it is achieved waste heat in precooling zone 103 is recycled.First delivery outlet 1022 is connected with a circulating fan 3 and heat exchanger 4 respectively simultaneously, and circulating fan 3 is connected with the second input port 1031, and then the low-temperature flue gas of output in thermal regeneration section 102 can be inputted precooling zone 103 by circulating fan 3, enable measures recycling, it is therefore an objective to reduce the energy consumption of precooling zone 103.
The partial heat of hot fluid is mainly passed to the equipment of cold flow body by the heat exchanger 4 arranged, therefore, on heat exchanger 4, further arrange one for the medium inlet 401 that heat transferring medium enters, so the low-temperature flue gas of output in thermal regeneration section 102 can be carried out heat exchange with the medium inputted from medium inlet 401.Should it should be noted that, the general temperature of low-temperature flue gas of output is at 300-350 DEG C, and the medium temperature of input is lower in medium inlet 401, and medium is preferably nitrogen, so after low-temperature flue gas and nitrogen carry out heat exchange, the temperature of nitrogen is between 100-150 DEG C, charge section 101 is inputted again by heat exchanger 4, can realize regenerator 1 top is carried out sealing gland, it is also possible to activated coke is preheated, further realize remaining pick up the heat.
In an embodiment of the present invention, the air stove 2 arranged is the source part of whole system heat, according to this, air stove 2 is provided with the first import 201 for combustion gas entrance and the second import 202 entered for air, in the second import 202, connect a combustion air blower fan 5 simultaneously, so simultaneously enter from the first import 201 when air enters combustion gas simultaneously from the second import 202, it is possible to accelerate the burning velocity of combustion gas, and ensure that combustion gas obtains sufficient interests.It should be noted that combustion gas wherein used is the general name of gaseous fuel, it can burn and release heat, for urbanite and industrial undertaking.The kind of combustion gas is a lot, mainly has natural gas, manufactured gas, manufactured fuel gas, liquefied petroleum gas and biogas, coal gas.
In an embodiment of the present invention, the effect of the combustion air blower fan 5 of setting by of a relatively high high-temperature flue gas input air stove 2, can also put forward high-octane utilization rate, reduce energy consumption.Wherein, the source of high-temperature flue gas is mainly from cooling section 104, concrete the 3rd input port 1041 being arranged to Cryogenic air input on cooling section 104, and the 3rd delivery outlet 1042 for high temperature air output.During practice, directly by combustion air blower fan 5 and the 3rd delivery outlet 1042, so high-temperature flue gas high for opposite outer air in cooling section 104 can be carried out again with, further reduce the energy consumption of air stove 2.
The 3rd input port 1041 arranged is mainly used in relatively low extraneous air input cooling section 104 so that it is the activated coke cooling after the regeneration in cooling section 104 is uniform and abundant, and then improves the quality of the activated coke after regeneration.According to this, further arranging a cooling blower 6, cooling blower 6 connects with the 3rd input port 1041, it is possible to meets and is inputted in cooling section 104 by outer low temperature air, and then realizes the activated coke after regeneration is cooled down again.
In an embodiment of the present invention, understandable is that after the saturated activated coke of absorption enters thermal regeneration section 102 from charge section 101, after regenerative response, the activated coke after regeneration under gravity, moves down to precooling zone 103 voluntarily.When regenerating in thermal regeneration section 102, discharge regeneration gas simultaneously, therefore, by the regeneration gas blower fan 7 arranged, regeneration gas (is namely contained SO2Concentration is the mixing gas of 15-20%) discharge, and be connected with follow-up by-product process system, it is achieved SO2Recycling.In the application preferably, regeneration gas blower fan 7 is connected with a regeneration gas outlet 1023 of thermal regeneration section 102 lower end, why reactivation outlet 1023 is arranged on thermal regeneration section 102 lower end namely close to the position that activated coke temperature is the highest, makes regeneration gas extract more fully thoroughly.
Present invention also offers a kind of reactive coke regeneration method.Particularly utilizing the active coke regeneration system in above-described embodiment to process, concrete processing method is:
Absorption saturated active coke, from the entrance of charge section 101 to thermal regeneration section 102, carries out regenerative response after heating from the high-temperature flue gas of air stove 2.Wherein, the high-temperature flue gas of air stove 2 input is after thermal regeneration section 102 carries out heat exchange, a low-temperature flue gas part inputs precooling zone 103 from circulating fan 3, another low-temperature flue gas is discharged after medium (low temperature nitrogen) in heat exchanger 4 with heat exchanger 4 carries out heat exchange, major part inputs from the entrance of charge section 101, and sub-fraction connects chimney by pipeline and discharges.It should be noted that the entrance of charge section 101 can be divided into for adsorbing the entrance that saturated active coke enters, and for the entrance that the medium after heat exchange enters, the entrance of concrete charge section 101 sets according to the actual requirements, is not repeating one by one in the application.
In the embodiment of regeneration methods of the invention, it is preferable that after the activated coke after the low-temperature flue gas of precooling zone 103 input and regeneration carries out heat exchange, high-temperature flue gas can input air stove 2 through combustion air blower fan 5, carries out remaining pick up the heat.
In the embodiment of regeneration methods of the invention, preferably, adsorb saturated activated coke in thermal regeneration section 102, carry out regenerative response, the gas produced can be drawn it out by regeneration gas blower fan 7, activated coke after regeneration passes sequentially through precooling zone 103, cooling section 104 under the action of gravity of self simultaneously, finally exports from the outlet of unloading part 105.
In the embodiment of regeneration methods of the invention, it is possible to further cooling blower 6 is set at cooling section 104, and then by cooling blower 6 by Cryogenic air input relatively low for outside to cooling section 104, meets and the activated coke after regeneration is cooled down again.
It should be noted that the heat exchange blower fan 2 in the present invention, circulating fan 3, heat exchanger 4, and cold wind blower fan 6 all can commercially directly be commercially available.And whole system is easy for installation, whole process technique is simple, it is achieved that remaining pick up the heat, further puies forward high-octane utilization rate, saves energy consumption, reduces the operating cost of whole system.
It should be noted that, above-described embodiment all can independent assortment as required.The above is only the preferred embodiment of the present invention; it should be pointed out that, for those skilled in the art, under the premise without departing from the principles of the invention; can also making some improvements and modifications, these improvements and modifications also should be regarded as protection scope of the present invention.
Claims (10)
1. an active coke regeneration system, it is characterised in that including:
Regenerator, described regenerator is sequentially provided with charge section, thermal regeneration section, precooling zone, cooling section and unloading part from top to bottom；
Described thermal regeneration section is provided with the first input port for high-temperature flue gas input and the first delivery outlet for low-temperature flue gas output；
Described precooling zone is provided with the second input port for low-temperature flue gas input and the second delivery outlet for high-temperature flue gas output；
Described first input port all connects with an air stove with described second delivery outlet；
Described first delivery outlet is respectively communicated with a circulating fan and connects with heat exchanger, and described circulating fan connects with described second input port, and described heat exchanger connects with the entrance of the described charge section of described regenerator.
2. active coke regeneration system according to claim 1, it is characterised in that:
Described heat exchanger is additionally provided with the medium inlet entered for heat transferring medium.
3. active coke regeneration system according to claim 2, it is characterised in that:
Described medium is nitrogen.
4. active coke regeneration system according to claim 1, it is characterised in that:
Described air stove is additionally provided with the first import for combustion gas entrance and the second import entered for air；
Described second import is also connected with a combustion air blower fan.
5. active coke regeneration system according to claim 4, it is characterised in that:
Described cooling section is provided with the 3rd input port for Cryogenic air input and the 3rd delivery outlet for high temperature air output；
Described 3rd delivery outlet connects with described combustion air blower fan.
6. active coke regeneration system according to claim 5, it is characterised in that also include:
Cooling blower, described cooling blower connects with described 3rd input port, for being inputted in described cooling section by outer low temperature air.
7. the active coke regeneration system according to claim 1-6 any one, it is characterised in that also include:
Regeneration gas blower fan, described regeneration gas blower fan connects with described thermal regeneration section, for the regeneration gas in described thermal regeneration section being extracted out.
8. a reactive coke regeneration method, it is characterised in that utilize the active coke regeneration system as described in claim 1-7, including as follows:
Absorption saturated active coke is from the entrance of charge section to thermal regeneration section, regenerative response is carried out after heating from the high-temperature flue gas of air stove, after high-temperature flue gas input is carried out heat exchange to thermal regeneration section by air stove, a low-temperature flue gas part inputs precooling zone from circulating fan, and another portion discharges after medium in heat exchanger with heat exchanger carries out heat exchange.
9. reactive coke regeneration method according to claim 8, it is characterised in that:
After activated coke after the low-temperature flue gas of precooling zone input and regeneration carries out heat exchange, high-temperature flue gas inputs air stove through combustion air blower fan.
10. reactive coke regeneration method according to claim 9, it is characterised in that:
Activated coke is through regenerative response, and the gas of generation is reproduced gas blower fan and extracts out, and the activated coke after regeneration exports from the outlet of unloading part；
And/or；
Outer low temperature air is inputted described cooling section by cooling blower.
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Cited By (12)
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| CN106621809A (en) * | 2017-02-24 | 2017-05-10 | 中冶华天南京工程技术有限公司 | Regeneration tower waste heat recovering system and method of activated coke dry method desulfurizer |
| CN107854924A (en) * | 2017-12-05 | 2018-03-30 | 上海克硫环保科技股份有限公司 | A kind of activated coke dry method flue gas processing method and system |
| CN108404865A (en) * | 2018-04-25 | 2018-08-17 | 武汉都市环保工程技术股份有限公司 | active coke regeneration system and method |
| CN109174070A (en) * | 2018-10-16 | 2019-01-11 | 中冶长天国际工程有限责任公司 | A kind of novel absorbent charcoal Analytic Tower and active carbon analytic method |
| CN109260949A (en) * | 2018-11-29 | 2019-01-25 | 国电环境保护研究院有限公司 | A kind of fire retardant anticorrosion erosion regenerator |
| CN109289515A (en) * | 2018-11-29 | 2019-02-01 | 国电环境保护研究院有限公司 | A kind of regenerator shuts down anti-corrosion system and shutdown operation method |
| CN109351119A (en) * | 2018-11-07 | 2019-02-19 | 中冶北方（大连）工程技术有限公司 | The automatic control system and method for activated coke regeneration gas and sealing gland nitrogen matching |
| CN109499556A (en) * | 2018-10-16 | 2019-03-22 | 中冶长天国际工程有限责任公司 | A kind of good antiscale property active carbon Analytic Tower and its analytic method |
| CN111495346A (en) * | 2020-05-29 | 2020-08-07 | 邯郸钢铁集团有限责任公司 | Comprehensive utilization device for active coke regeneration waste heat |
| CN112403182A (en) * | 2019-11-05 | 2021-02-26 | 中冶长天国际工程有限责任公司 | Analytic tower and flue gas heating system |
| CN112892511A (en) * | 2021-03-29 | 2021-06-04 | 中国华能集团清洁能源技术研究院有限公司 | Regeneration system and method for cooperatively removing multiple pollutants in flue gas |
| CN113651325A (en) * | 2021-08-16 | 2021-11-16 | 宁夏宁疆疆泰炭材料科技有限公司 | Production equipment and process for manufacturing desulfurization and denitrification active coke by using multi-stage furnace |
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