CN110902682A - Sterpu activation furnace system with stable and controllable furnace temperature and operation method thereof - Google Patents
Sterpu activation furnace system with stable and controllable furnace temperature and operation method thereof Download PDFInfo
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- CN110902682A CN110902682A CN202010026478.7A CN202010026478A CN110902682A CN 110902682 A CN110902682 A CN 110902682A CN 202010026478 A CN202010026478 A CN 202010026478A CN 110902682 A CN110902682 A CN 110902682A
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- 230000004913 activation Effects 0.000 title claims abstract description 64
- 238000000034 method Methods 0.000 title claims abstract description 11
- 238000006477 desulfuration reaction Methods 0.000 claims abstract description 15
- 230000023556 desulfurization Effects 0.000 claims abstract description 15
- 239000000428 dust Substances 0.000 claims abstract description 15
- 239000002912 waste gas Substances 0.000 claims abstract description 15
- 239000002918 waste heat Substances 0.000 claims abstract description 14
- 239000007789 gas Substances 0.000 claims description 23
- 239000011449 brick Substances 0.000 claims description 12
- 230000001172 regenerating effect Effects 0.000 claims description 12
- 238000001816 cooling Methods 0.000 claims description 8
- 239000005539 carbonized material Substances 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 230000001502 supplementing effect Effects 0.000 claims description 3
- 230000008569 process Effects 0.000 claims description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical class [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract description 18
- 239000000463 material Substances 0.000 abstract description 5
- 239000003245 coal Substances 0.000 abstract description 3
- 238000005338 heat storage Methods 0.000 description 13
- 230000003213 activating effect Effects 0.000 description 4
- 238000003763 carbonization Methods 0.000 description 4
- 238000007599 discharging Methods 0.000 description 3
- 239000003546 flue gas Substances 0.000 description 3
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 2
- 101100410811 Mus musculus Pxt1 gene Proteins 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005245 sintering Methods 0.000 description 2
- HGUFODBRKLSHSI-UHFFFAOYSA-N 2,3,7,8-tetrachloro-dibenzo-p-dioxin Chemical compound O1C2=CC(Cl)=C(Cl)C=C2OC2=C1C=C(Cl)C(Cl)=C2 HGUFODBRKLSHSI-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000003463 adsorbent Substances 0.000 description 1
- 238000003915 air pollution Methods 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000002737 fuel gas Substances 0.000 description 1
- 238000002309 gasification Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B32/00—Carbon; Compounds thereof
- C01B32/30—Active carbon
- C01B32/39—Apparatus for the preparation thereof
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B32/00—Carbon; Compounds thereof
- C01B32/30—Active carbon
- C01B32/312—Preparation
- C01B32/336—Preparation characterised by gaseous activating agents
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
- Y02P20/129—Energy recovery, e.g. by cogeneration, H2recovery or pressure recovery turbines
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Carbon And Carbon Compounds (AREA)
- Treating Waste Gases (AREA)
Abstract
The invention belongs to the technical field of equipment for producing coal-based activated carbon activated materials, and particularly relates to a Sterpu activation furnace system with a stable and controllable furnace temperature and an operation method thereof. The device comprises a left heat accumulating chamber, a left semi-activation furnace, a right heat accumulating chamber, an incinerator, a waste heat boiler, a dust removal, desulfurization and denitration device and a chimney, wherein the left heat accumulating chamber is communicated with an inlet of the left semi-activation furnace through an upper flue, an outlet of the left semi-activation furnace is communicated with a lower flue, the lower flue is communicated with an inlet of the right semi-activation furnace, the right semi-activation furnace is connected with the right heat accumulating chamber through an upper flue, a right heat accumulating chamber waste gas outlet of the right heat accumulating chamber is communicated with the incinerator, the incinerator is connected with the waste heat boiler, the waste heat boiler is connected with the dust removal, desulfurization and denitration device, the dust removal, desulfurization and denitration device and the chimney, a constant temperature control system combustor is arranged in the lower flue, the constant temperature control system combustor is connected with a constant temperature control system of the activation furnace through a pipeline.
Description
Technical Field
The invention belongs to the technical field of equipment for producing coal-based activated carbon activated materials, and particularly relates to a Sterpu activation furnace system with a stable and controllable furnace temperature and an operation method thereof.
Background
Activated carbon is the oldest and now increasingly attractive adsorbent and support, and its range of applications includes: environmental protection, chemical industry, food industry, medical industry, mining industry, atomic energy industry, agriculture, catalysts and carriers thereof and other fields. With the gradual and severe environmental protection situation, the utilization of the activated carbon has important significance for preventing air pollution, the activated carbon for desulfurization and denitrification is widely used for purifying sintering flue gas at present, and the activated carbon not only can efficiently remove SO in the flue gas2And NOxAt the same timeCan remove dioxin in steel sintering and waste incinerator flue gas in a synergic manner, and has very important significance for treating atmospheric pollutants.
At present, an activation furnace adopted for producing coal-based activated carbon in China is mainly a Slapple activation furnace, and the activation furnace is mainly divided into a preheating section, a supplementary carbonization section, an activation section and a cooling section in the conventional Slapple activation furnace. The prior Slapple activation furnace has the following problems in the operation process: when the material is continuously discharged, the furnace temperature is greatly reduced, and the activation efficiency of the activated carbon is seriously influenced when the furnace temperature is too low, so that the quality of the activated carbon product is seriously influenced, the quality of the obtained product does not reach the standard, and the whole production process is influenced.
Disclosure of Invention
The invention provides a Stepp activating furnace system with stable and controllable furnace temperature and an operation method thereof, aiming at solving the problems that the furnace temperature is greatly reduced when a Stepp activating furnace continuously discharges materials, the activation efficiency of activated carbon is seriously influenced when the furnace temperature is too low, and the like.
The invention adopts the following technical scheme: a Silepu activation furnace system with stable and controllable furnace temperature, which comprises a left regenerative chamber, a left semi-activation furnace, a right semi-activation furnace and a right regenerative chamber, the device comprises an incinerator, a waste heat boiler, a dust removal, desulfurization and denitrification device and a chimney, wherein a left heat storage chamber is communicated with an inlet of a left semi-activation furnace through an upper flue, an outlet of the left semi-activation furnace is communicated with a lower flue, the lower flue is communicated with an inlet of a right semi-activation furnace, an outlet of the right semi-activation furnace is connected with a right heat storage chamber through the upper flue, a right heat storage chamber waste gas outlet of the right heat storage chamber is communicated with the incinerator, the incinerator is connected with the waste heat boiler, the waste heat boiler is connected with the dust removal, desulfurization and denitrification device, the dust removal, desulfurization and denitrification device is connected with the chimney, a constant temperature control system burner is arranged in the lower flue, the constant temperature control system burner is connected with a constant temperature control system of the activation furnace through a pipeline, and the constant.
The left half activation furnace is provided with a preheating section, a supplementary carbonization section, an activation section and a discharge cooling section from top to bottom in proper order, the bottom of the discharge cooling section is connected with a material bin, the activation section is internally provided with a plurality of rows of furnace core bricks, the gap between two adjacent rows of furnace core bricks is a product channel, the furnace core bricks are provided with gas channels arranged in the horizontal direction, the furnace wall body of each gas channel is provided with an air inlet, and the right half activation furnace has the same structure as the left half activation furnace.
Operation method of Stelep activation furnace system with stable and controllable furnace temperature, 200-300oThe preheated steam of C enters the left regenerative chamber from the steam inlet of the left regenerative chamber, and the temperature of the superheated steam reaches 950-oAnd C, then the steam enters the left semi-activation furnace through the upper connecting flue, superheated steam and a carbonized material are subjected to activation reaction in the activation furnace, activated gas enters the lower connecting flue through the bottom of the left activation semi-furnace and then enters the right activation semi-furnace from the bottom, an activated gas medium enters the right heat storage chamber from the upper connecting flue after passing through the right activation semi-furnace, finally the activated gas medium is discharged from a waste gas outlet of the right heat storage chamber, the discharged waste gas is divided into two paths, one part of the activated gas medium enters a constant temperature control system combustor in the lower connecting flue through the constant temperature control system of the activation furnace for supplementing the temperature in the furnace, and the other part of the waste gas passes through an incinerator, a waste heat boiler and a dust removal, desulfurization and denitrification device and is finally discharged from a chimney.
Compared with the prior art, the Sterpu activation furnace system with the stably controllable furnace temperature and the operation method thereof can ensure that the furnace temperature fluctuation amplitude △ t is less than or equal to +/-30 t through the special activation furnace constant temperature control systemoCompared with the prior series of common activation furnaces, the activation furnace can effectively avoid too fast temperature reduction of the continuous discharging furnace, can maintain the furnace temperature within a stable range, and has good quality uniformity of the obtained activated product; meanwhile, the constant temperature control system of the activation furnace adopts the activated waste gas generated in the system as fuel to realize internal self-supply. The Slapple activation furnace system with the stable and controllable furnace temperature effectively utilizes the heat of combustible components in the activation tail gas of the Slapple activation furnace, reduces the pollution of smoke to the environment, and simultaneously has the advantages of higher gasification efficiency, uniform product quality and stable production operation.
Drawings
FIG. 1 is a schematic view of a Schlep activation furnace system with a stable and controllable furnace temperature according to an embodiment of the present invention;
FIG. 2 is a schematic view of the structure of the left semi-activation furnace;
FIG. 3 is a view showing the construction of a core brick;
FIG. 1, left regenerator vapor inlet; 2. a left regenerator; 3. the upper part is connected with a flue; 4. a left half furnace; 5. a thermostatic control system burner; 6. a lower connecting flue (combustion chamber); 7. a right half furnace; 8. a right regenerator; 9. A right regenerative exhaust outlet; 10. a gas channel of the constant temperature control system; 11. a constant temperature control system of the activation furnace; 12. an incinerator; 13. a waste heat boiler; 14. a dust removal, desulfurization and denitrification device; 15. a chimney; 16. a preheating section; 17. a supplementary carbonization section; 18. an activation section; 19. a discharging cooling section; 20. a discharging bin; 21. a furnace core brick; 22. a gas channel.
Detailed Description
As shown in figure 1, a Stempur activation furnace system with stable and controllable furnace temperature comprises a left heat storage chamber 2, a left semi-activation furnace 4, a right semi-activation furnace 7, a right heat storage chamber 8, an incinerator 12, a waste heat boiler 13, a dust removal, desulfurization and denitrification device 14 and a chimney 15, wherein the left heat storage chamber 2 is communicated with the inlet of the left semi-activation furnace 4 through an upper connecting flue 3, the outlet of the left semi-activation furnace 4 is communicated with a lower connecting flue 6, the lower connecting flue 6 is communicated with the inlet of the right semi-activation furnace 7, the outlet of the right semi-activation furnace 7 is connected with the right heat storage chamber 8 through the upper connecting flue 3, the right heat storage chamber waste gas outlet 9 of the right heat storage chamber 8 is communicated with the incinerator 12, the incinerator 12 is connected with the waste heat boiler 13, the waste heat boiler 13 is connected with the dust removal, desulfurization and denitrification device 14, the chimney 15, a constant temperature control system combustor 5 is arranged in the lower connecting flue 6, the constant temperature control system combustor 5 is connected, and the constant temperature control system 11 of the activation furnace is communicated with the waste gas outlet 9 of the right regenerative chamber through a fuel gas channel 10 of the constant temperature control system.
As shown in fig. 2 and 3, the left semi-activation furnace 4 is sequentially provided with a preheating section 16, a supplementary carbonization section 17, an activation section 18 and a discharge cooling section 19 from top to bottom, the bottom of the discharge cooling section 19 is connected with a discharge bin 20, the activation section 18 is internally provided with a plurality of rows of core bricks 21, the gap between two adjacent rows of core bricks 21 is a product channel, the core bricks 21 are provided with gas channels 22 arranged in the horizontal direction, the furnace wall body of each gas channel 22 is provided with an air inlet, and the right semi-activation furnace 7 has the same structure as the left semi-activation furnace 4. The activating medium flows back in a bow shape in a side flue and a gas channel in the furnace body. The activating medium flows back in a bow shape in a side flue and a gas channel in the furnace body. The incinerator is internally provided with heat storage checker bricks.
The operation method of the Silepu activation furnace system with the stable and controllable furnace temperature is characterized in that: 200-300oThe preheated steam of C enters the left regenerative chamber 2 from the steam inlet 1 of the left regenerative chamber, and the temperature of the preheated steam reaches 950-oC, the steam enters a left semi-activation furnace 4 through an upper connecting flue 3, the superheated steam and the carbonized materials are subjected to activation reaction in the activation furnace, the activated gas enters a lower connecting flue 6 through the bottom of the left activation semi-furnace and then enters a right activation semi-furnace 7 from the bottom, the activated gas medium enters a right regenerative chamber 8 from the upper connecting flue 3 after passing through the right activation semi-furnace 7, finally the activated gas medium is discharged from a waste gas outlet 9 of the right regenerative chamber, the discharged waste gas is divided into two paths, one part of the activated gas medium enters a constant temperature control system combustor 5 in the lower connecting flue through an activation furnace constant temperature control system 11 for supplementing the temperature in the furnace, and the other part of the waste gas passes through an incinerator 12, a waste heat boiler 13 and a dust removal, desulfurization and denitrification device 14 and is finally discharged from a chimney 15. Wherein the airflow direction of the left half furnace and the right half furnace is switched once every 30 min.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and those skilled in the art can make many variations and modifications of the present invention without departing from the scope of the present invention as defined in the appended claims.
Claims (3)
1. The utility model provides a stable controllable slept activation furnace system of furnace temperature which characterized in that: comprises a left heat accumulating chamber (2), a left semi-activation furnace (4), a right semi-activation furnace (7), a right heat accumulating chamber (8), an incinerator (12), a waste heat boiler (13), a dust removal desulfurization and denitration device (14) and a chimney (15), wherein the left heat accumulating chamber (2) is communicated with the inlet of the left semi-activation furnace (4) through an upper connecting flue (3), the outlet of the left semi-activation furnace (4) is communicated with a lower connecting flue (6), the lower connecting flue (6) is communicated with the inlet of the right semi-activation furnace (7), the outlet of the right semi-activation furnace (7) is connected with the right heat accumulating chamber (8) through the upper connecting flue (3), the right heat accumulating chamber waste gas outlet (9) of the right heat accumulating chamber (8) is communicated with the incinerator (12), the incinerator (12) is connected with the waste heat boiler (13), the boiler (13) is connected with the dust removal desulfurization and denitration device (14), the dust removal desulfurization and denitration device (14) is connected with, a constant temperature control system combustor (5) is arranged in the lower connecting flue (6), the constant temperature control system combustor (5) is connected with an activation furnace constant temperature control system (11) through a pipeline, and the activation furnace constant temperature control system (11) is communicated with a right regenerator waste gas outlet (9) through a constant temperature control system gas channel (10).
2. The slept activation furnace system of claim 1, wherein the furnace temperature is stably controllable: left side semi-activation furnace (4) is by last preheating section (16), supplementary carbomorphism section (17), activation section (18) and ejection of compact cooling section (19) of having set gradually from bottom to top, ejection of compact cooling section (19) bottom connect out feed bin (20), activation section (18) in be provided with a plurality of rows of core brick (21), the clearance of two adjacent rows of core brick (21) is the product way, is provided with gas passage (22) that the horizontal direction set up on core brick (21), is equipped with air inlet on the furnace wall body of every gas passage (22), right side semi-activation furnace (7) are the same with left side semi-activation furnace (4) structure.
3. A method of operating a slept activation furnace system having a stably controllable furnace temperature according to claim 2, comprising: 200-300oC enters the left regenerative chamber (2) from the steam inlet (1) of the left regenerative chamber, and the temperature of the superheated steam reaches 950-oC, then the steam enters a left semi-activation furnace (4) through an upper connecting flue (3), and the superheated steam and the carbonized material are subjected to activation reaction in the activation furnace to be activatedThe gas after the process gets into down and links flue (6) through left activation half stove bottom, then get into right half activation half stove (7) from the bottom again, activation gas medium gets into right regenerator (8) from last even flue (3) after right half activation half stove (7), final activation gas medium is discharged from right regenerator exhaust outlet (9), discharged waste gas divide into two the tunnel, one of them part gets into the thermostatic control system combustor (5) in linking the flue down through activation furnace thermostatic control system (11) and is used for supplementing the interior temperature of stove, another part waste gas is through burning furnace (12), exhaust heat boiler (13), and remove dust, SOx/NOx control device (14), finally discharge from chimney (15).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2019113862752 | 2019-12-29 | ||
| CN201911386275 | 2019-12-29 |
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| Publication Number | Publication Date |
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| CN110902682A true CN110902682A (en) | 2020-03-24 |
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| CN202010026478.7A Pending CN110902682A (en) | 2019-12-29 | 2020-01-10 | Sterpu activation furnace system with stable and controllable furnace temperature and operation method thereof |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202390207U (en) * | 2011-12-20 | 2012-08-22 | 宁夏华辉活性炭股份有限公司 | Device for heating drying stove by utilizing tail gas of SLEP activation furnace |
| CN103968673A (en) * | 2014-05-13 | 2014-08-06 | 神华集团有限责任公司 | Waste heat utilization device of tail gas of Serp activation furnace and tail gas utilization method |
| CN109336112A (en) * | 2018-11-26 | 2019-02-15 | 中冶南方都市环保工程技术股份有限公司 | A kind of Slapple activating furnace waste heat effective utilization system |
| CN211521606U (en) * | 2019-12-29 | 2020-09-18 | 太原理工大学 | Sterpu activation furnace system with stable and controllable furnace temperature |
-
2020
- 2020-01-10 CN CN202010026478.7A patent/CN110902682A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202390207U (en) * | 2011-12-20 | 2012-08-22 | 宁夏华辉活性炭股份有限公司 | Device for heating drying stove by utilizing tail gas of SLEP activation furnace |
| CN103968673A (en) * | 2014-05-13 | 2014-08-06 | 神华集团有限责任公司 | Waste heat utilization device of tail gas of Serp activation furnace and tail gas utilization method |
| CN109336112A (en) * | 2018-11-26 | 2019-02-15 | 中冶南方都市环保工程技术股份有限公司 | A kind of Slapple activating furnace waste heat effective utilization system |
| CN211521606U (en) * | 2019-12-29 | 2020-09-18 | 太原理工大学 | Sterpu activation furnace system with stable and controllable furnace temperature |
Non-Patent Citations (1)
| Title |
|---|
| 杨东: ""斯列普活化炉生产过程控制系统的应用研究"" * |
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Application publication date: 20200324 |