CN204063013U - A kind of CFBB with TRT - Google Patents
A kind of CFBB with TRT Download PDFInfo
- Publication number
- CN204063013U CN204063013U CN201420431565.0U CN201420431565U CN204063013U CN 204063013 U CN204063013 U CN 204063013U CN 201420431565 U CN201420431565 U CN 201420431565U CN 204063013 U CN204063013 U CN 204063013U
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- CN
- China
- Prior art keywords
- flue
- band
- cfbb
- carbon dioxide
- equipment
- 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.)
- Withdrawn - After Issue
Links
- 239000007789 gas Substances 0.000 claims abstract description 48
- 238000002485 combustion reaction Methods 0.000 claims abstract description 42
- 230000003009 desulfurizing Effects 0.000 claims abstract description 36
- 238000010438 heat treatment Methods 0.000 claims abstract description 27
- 238000004519 manufacturing process Methods 0.000 claims abstract description 27
- 238000005192 partition Methods 0.000 claims abstract description 13
- 239000000779 smoke Substances 0.000 claims abstract description 10
- 239000002912 waste gas Substances 0.000 claims abstract description 9
- 238000011084 recovery Methods 0.000 claims abstract description 8
- 239000001569 carbon dioxide Substances 0.000 claims description 36
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 36
- CURLTUGMZLYLDI-UHFFFAOYSA-N carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 35
- 239000003795 chemical substances by application Substances 0.000 claims description 35
- 238000001816 cooling Methods 0.000 claims description 26
- 239000003245 coal Substances 0.000 claims description 15
- OKTJSMMVPCPJKN-UHFFFAOYSA-N carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 14
- 239000002817 coal dust Substances 0.000 claims description 11
- 239000002893 slag Substances 0.000 claims description 10
- 239000003818 cinder Substances 0.000 claims description 6
- 239000000446 fuel Substances 0.000 claims description 6
- 239000000843 powder Substances 0.000 claims description 6
- 238000003860 storage Methods 0.000 claims description 6
- 230000000576 supplementary Effects 0.000 claims description 4
- 239000007788 liquid Substances 0.000 claims description 3
- 239000004449 solid propellant Substances 0.000 claims description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 22
- 239000003546 flue gas Substances 0.000 description 22
- 239000000428 dust Substances 0.000 description 8
- 239000000463 material Substances 0.000 description 5
- 239000002245 particle Substances 0.000 description 5
- 230000005611 electricity Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000155 melt Substances 0.000 description 2
- 239000005864 Sulphur Substances 0.000 description 1
- 230000000903 blocking Effects 0.000 description 1
- 238000001354 calcination Methods 0.000 description 1
- 239000000567 combustion gas Substances 0.000 description 1
- 238000009841 combustion method Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- RWSOTUBLDIXVET-UHFFFAOYSA-N dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000505 pernicious Effects 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 238000005987 sulfurization reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Abstract
The utility model relates to a kind of CFBB with TRT, comprises CFBB and generating equipment.CFBB is provided with fluidized bed combustion chamber, cyclone separator, gas flue, steam pipe coil and air blast.Steam pipe coil is connected with generating equipment.Fluidized bed combustion chamber is connected with cyclone separator, and the gas vent of cyclone separator is connected to gas flue, and device is provided with desulfurizing agent production equipment or cyclone furnace apparatus for energy recovery.Gas vent is connected to gas flue by the channel-type partition heating system of the band high-effective dust-removing equipment of desulfurizing agent production equipment.Exhanst gas outlet is connected to cyclone cylinder by band lime-ash smoke inlet, and the bottom of cyclone cylinder is connected with band raceway groove flue, and the top of band raceway groove flue is connected with heat-obtaining flue.Exhanst gas outlet or Waste gas outlet are connected with exhaust system by denitration device.The utility model not only effectively utilizes the heat energy power-generating of boiler, and production high-quality desulfurizing agent, and the heat of CFBB is fully used.
Description
Technical field
The utility model belongs to boiler and generating equipment technical field, relates to a kind of CFBB, is specifically related to a kind of CFBB with TRT.
Background technology
There are lump coal layer combustion and pulverized coal friring two kinds of modes in the combustion system of the coal-fired industry furnace of prior art, current pulverized coal friring coal is worn into pulverized coal convey to burn, the burning of strengthening coal, but method for combustion of pulverized coal conventional in current industrial furnace directly sprays combustion method, all to be sprayed in burner hearth by burner by fine coal and directly burn, there is serious problem in this method, mainly in coal, ash content all enters burner hearth with flame, some is deposited in by the surface of heating material, reduce heat transfer coefficient and heating efficiency, affect furnace output and heating quality, there is part lime-ash to be deposited on furnace bottom or be bonded on furnace wall, remove the labour that these lime-ash need at substantial, and the life-span of body of heater can be reduced.Herein, some lime-ash will enter air with flue gas, cause atmosphere pollution, and smoke content is at this moment very high, remove these dusts, also need to use cleaner, invest huge.
Technology of Circulating Fluidized Bed Boiler is the high-efficiency low-pollution clean burning branch art developed rapidly in recent ten years, is the effective way solving coal dust firing.This technology has obtained business application widely in fields such as station boiler, Industrial Boiler and offal treatment utilizations in the world, and develops to the large circulating fluidized bed boiler of hundreds of thousands multikilowatt scale.Domestic research in this respect, development and application are also risen gradually, and among existing up to a hundred CFBBs put into operation or manufacturing, utilizing flue gas to generate electricity is one of CFBB application.Need to add desulfurizing agent in CFBC process, to remove sulphur in coal dust, reduce to airborne release sour gas.Combustion process flue gas is entrained with ash emissions, causes atmosphere pollution.
Utility model content
The utility model object is to provide a kind of CFBB with TRT, utilizes combustion gas partition to heat production high-quality desulfurizing agent, effectively removes the dust in flue gas, reduce the discharge of pernicious gas and particle, environment protection.
Technical solutions of the utility model are: the CFBB of band TRT, comprises CFBB and generating equipment.CFBB is provided with fluidized bed combustion chamber, cyclone separator, gas flue and air blast.Fluidized bed combustion chamber is provided with desulfurizing agent entrance, coal powder entrance, combustion air entrance and slag notch, and gas flue is provided with steam pipe coil, heat exchanger and exhanst gas outlet, and steam pipe coil is connected with generating equipment.Fluidized bed combustion chamber is connected with cyclone separator, and the gas vent of cyclone separator is connected to gas flue, and the dipleg of cyclone separator is connected with fluidized bed combustion chamber bottom by inclined tube.Air blast is connected to combustion air entrance by heat exchanger.Device is provided with desulfurizing agent production equipment or cyclone furnace apparatus for energy recovery.Desulfurizing agent production equipment is provided with charging aperture, carbon dioxide outlet, products export, is divided into preheating zone, heating tape and salband in desulfurizing agent production equipment.Heating tape is provided with the channel-type partition heating system of band high-effective dust-removing equipment, and gas vent is connected to gas flue by the channel-type partition heating system of band high-effective dust-removing equipment.Cyclone furnace apparatus for energy recovery comprises cyclone cylinder, band raceway groove flue and heat-obtaining flue, and cyclone cylinder is provided with coal dust and First air entrance, Secondary Air entrance, band lime-ash smoke inlet, melt cinder mouth, and heat-obtaining flue is provided with steam generator and Waste gas outlet.Exhanst gas outlet is connected to cyclone cylinder by band lime-ash smoke inlet, and the bottom of cyclone cylinder is connected with band raceway groove flue, and the top of band raceway groove flue is connected with heat-obtaining flue, and exhanst gas outlet or Waste gas outlet are connected with exhaust system by denitration device.
Desulfurizing agent production equipment is provided with cooling blower, and the salband of desulfurizing agent production equipment is provided with cooling air inlet and cooling air outlet.Cooling blower is connected to cooling air inlet, and cooling air outlet is connected to combustion air entrance.Gas exit line or the band raceway groove flue of cyclone separator are provided with supplementary burner, and the air intake of burner is connected to the outlet of heat exchanger.Postcombustion burner is gaseous fuel burner, liquid fuel burner or solid fuel burner.Steam generator is connected with generating equipment.Generating equipment is provided with steam turbine and generating set, and steam turbine is connected with generating set, and described steam pipe coil or steam generator are connected with steam turbine.Device is provided with carbon dioxide treatment unit, and described carbon dioxide treatment unit is provided with purifying carbon dioxide equipment, carbon dioxide cooling device and carbon dioxide storage tank, and purifying carbon dioxide equipment, carbon dioxide cooling device are connected successively with carbon dioxide storage tank.Carbon dioxide outlet and purifying carbon dioxide equipment connection.
The CFBB of the utility model band TRT is by increasing desulfurizing agent production equipment or cyclone furnace apparatus for energy recovery, not only effectively utilize the heat energy power-generating of boiler, and production high-quality desulfurizing agent, the heat of CFBB is fully used.In flue gas, dust is liquefied through the channel-type partition heating system of band high-effective dust-removing equipment constantly with band raceway groove flue and traps, and in flue gas, particle content reaches discharge standard.Gas exit line and the band raceway groove flue of cyclone separator are provided with supplementary burner, are beneficial to dust in flue gas and liquefy completely, be convenient to slag tap, thus reach the dust emission standard of clean fuel burning.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the CFBB of the utility model band TRT;
Fig. 2 is the schematic diagram of the utility model another program;
Wherein:
1-desulfurizing agent production equipment, 2-supplement burner, 3-gas vent, 4-cyclone separator, 5-fluidized bed combustion chamber, 6-desulfurizing agent entrance, 7-coal powder entrance, 8-combustion air entrance, 9-slag notch, 10-inclined tube, 11-products export, 12-cooling blower, 13-charging aperture, 14-carbon dioxide outlet, the channel-type partition heating system of 15-band high-effective dust-removing equipment, 16-pusher, 17-gas flue, 18-steam pipe coil, 19-generating equipment, 20-heat exchanger, 21-air blast, 22-exhanst gas outlet, 23-coal dust and First air entrance, 24-Secondary Air entrance, 25-cyclone cylinder, 26-band lime-ash smoke inlet, 27-melt cinder mouth, 28-band raceway groove flue, 29-steam generator, 30-Waste gas outlet, 31-heat-obtaining flue.
Detailed description of the invention
Below in conjunction with embodiment and accompanying drawing, the utility model is described in detail.The utility model protection domain is not limited to embodiment, and those skilled in the art make the scope that any change also belongs to the utility model protection in the scope that claim limits.
The CFBB of the utility model band TRT as shown in Figure 1, comprises CFBB, desulfurizing agent production equipment 1, carbon dioxide treatment unit and generating equipment 19.CFBB is provided with fluidized bed combustion chamber 5, cyclone separator 4, gas flue 17 and air blast 21.Fluidized bed combustion chamber is provided with desulfurizing agent entrance 6, coal powder entrance 7, combustion air entrance 8 and slag notch 9.Gas flue is provided with steam pipe coil 18, heat exchanger 20 and exhanst gas outlet 22, and steam pipe coil is connected with generating equipment.Desulfurizing agent production equipment is provided with charging aperture 13, carbon dioxide outlet 14, products export 11, is divided into preheating zone, heating tape and salband in desulfurizing agent production equipment.Heating tape is provided with the channel-type partition heating system 15 of band high-effective dust-removing equipment.Fluidized bed combustion chamber is connected with cyclone separator, and the gas vent 3 of cyclone separator is connected to gas flue by the channel-type partition heating system of band high-effective dust-removing equipment, and the dipleg of cyclone separator is connected with fluidized bed combustion chamber bottom by inclined tube 10.Exhanst gas outlet 22 is connected with exhaust emission system by denitration device.Air blast is connected to combustion air entrance by heat exchanger.Desulfurizing agent production equipment 1 is provided with cooling blower 12, and the salband of desulfurizing agent production equipment is provided with cooling air inlet and cooling air outlet.Cooling blower is connected to cooling air inlet, and cooling air outlet is connected to combustion air entrance 8 and is used as combustion air.Gas vent 3 pipeline of cyclone separator is provided with supplementary burner 2, and postcombustion burner is gaseous fuel burner, and the air intake of burner is connected to the outlet of heat exchanger.Generating equipment is provided with steam turbine and generating set, and steam turbine is connected with generating set, and steam pipe coil 18 or steam generator are connected with steam turbine.Carbon dioxide treatment unit is provided with purifying carbon dioxide equipment, carbon dioxide cooling device and carbon dioxide storage tank, and purifying carbon dioxide equipment, carbon dioxide cooling device are connected successively with carbon dioxide storage tank.Carbon dioxide outlet 14 and purifying carbon dioxide equipment connection.
The method of operation of the CFBB of the utility model band TRT is, coal dust is through coal powder entrance 7, high-quality desulfurizing agent enters fluidized bed combustion chamber through desulfurizing agent entrance 6, and the combustion air that air blast 21 bloats carries out combustion-supporting fluidized bed combustion to the bottom of fluidized bed combustion chamber and sidepiece combustion air entrance 8 after heat exchanger 20 heat exchange.Combustion product gases enters cyclone separator 4 through upper outlet, after cyclonic separation, flue gas enters the channel-type partition heating system 15 of the band high-effective dust-removing equipment of desulfurizing agent production equipment, material in muffle heating desulfurizing agent production equipment, burns till high-quality desulfurizing agent by material section.In flue gas, dust is liquefied through the channel-type partition heating system of band high-effective dust-removing equipment and traps, and makes particle content in flue gas up to standard.The flue gas of releasing partial heat through desulfurizing agent production equipment enters gas flue 17 heating steam coil pipe 18, and steam occurs in the water heating of steam pipe coil, and steam drives steam turbine to rotate through steam pipework, and drive electrical generators group generates electricity.Useless flue gas discharges to exhaust emission system after exhanst gas outlet 22 is out of stock to denitration device.Cyclone separator is isolated particle and is entered fluidized bed combustion room through bottom dipleg and inclined tube 10 and burn away, and the lime-ash liquid state after sulfuration combustion chambers burn is discharged from slag notch 9.Supplement burner in flue-gas temperature lower than starting when 1500 DEG C, object is that in flue gas, dust liquefies completely, is convenient to slag tap.Desulfurizing agent production equipment is partition heating, and material decomposes generation high-quality desulfurizing agent and carbon dioxide, for avoiding salband cooling air to enter heating tape, top and preheating zone, has reducing between heating tape and salband, the product that the descending calcining of segmentation is good.For preventing reducing from blocking material, reducing place is provided with pusher 16.
Another embodiment of the utility model as shown in Figure 2, comprises CFBB, cyclone furnace apparatus for energy recovery, carbon dioxide treatment unit and generating equipment 19.Fluidized bed combustion chamber 5 is provided with desulfurizing agent entrance 6, coal powder entrance 7, combustion air entrance 8 and slag notch 9, and gas flue is provided with steam pipe coil 18, heat exchanger 20 and exhanst gas outlet 22.Cyclone furnace apparatus for energy recovery comprises cyclone cylinder 25, band raceway groove flue 28 and heat-obtaining flue 31.Cyclone cylinder is provided with coal dust and First air entrance 23, Secondary Air entrance 24, band lime-ash smoke inlet 26, melt cinder mouth 27, and heat-obtaining flue is provided with steam generator 29 and Waste gas outlet 30.Fluidized bed combustion chamber is connected with cyclone separator, and the gas vent 3 of cyclone separator is connected to gas flue 17, and coal dust and First air entrance are the entrance of coal dust, desulfurizing agent and First air.Exhanst gas outlet 22 is connected to cyclone cylinder by band lime-ash smoke inlet 26, and the bottom of cyclone cylinder is connected with band raceway groove flue, and the top of band raceway groove flue is connected with heat-obtaining flue, and the Waste gas outlet 30 of heat-obtaining flue is connected with exhaust system by denitration device.Steam pipe coil 18 is connected with generating equipment with steam generator 29.Other structure is identical with embodiment 1.
The method of operation of the present embodiment is, the flue gas band lime-ash smoke inlet 26 of releasing partial heat at gas flue 17 enters cyclone cylinder 25, top coal dust and the ejection of First air entrance coal dust, desulfurizing agent and First air, the Secondary Air of sidepiece enters cyclone cylinder with tangential way and carries out rotary combustion, enter band raceway groove flue 28 from bottom together with the flue gas entered, in flue gas, dust is liquefied and traps when band raceway groove flue 28, makes particle content in flue gas up to standard.Flue gas leaves band raceway groove flue to heat-obtaining flue 31, and 3 groups of steam generators 29 in heating heat-obtaining flue, useless flue gas arrives exhaust emission system discharge after Waste gas outlet 30 is out of stock to denitration device.Drive steam turbine to rotate through steam pipework together with the steam that the steam that steam generator 29 occurs and steam pipe coil 18 occur, drive electrical generators group generates electricity.Supplement burner in flue-gas temperature lower than starting when 1500 DEG C, object is that in flue gas, dust liquefies completely, is convenient to slag tap.The melt cinder of 70 ~ 90% is deposited on the bottom of cyclone cylinder 25, and the melt cinder of 10 ~ 30% is deposited on the bottom of band raceway groove flue 28, and slag tap is carried out in timing.
Claims (6)
1. the CFBB with TRT, comprises CFBB and generating equipment (19), and described CFBB is provided with fluidized bed combustion chamber (5), cyclone separator (4), gas flue (17) and air blast (21); Described fluidized bed combustion chamber (5) is provided with desulfurizing agent entrance (6), coal powder entrance (7), combustion air entrance (8) and slag notch (9); Described gas flue is provided with steam pipe coil (18), heat exchanger (20) and exhanst gas outlet (22), and described steam pipe coil is connected with generating equipment; Described fluidized bed combustion chamber is connected with cyclone separator, and the gas vent (3) of cyclone separator is connected to gas flue, and the dipleg of cyclone separator is connected with fluidized bed combustion chamber bottom by inclined tube (10); Described air blast is connected to combustion air entrance by heat exchanger; It is characterized in that: described device is provided with desulfurizing agent production equipment (1) or cyclone furnace apparatus for energy recovery; Described desulfurizing agent production equipment is provided with charging aperture (13), carbon dioxide outlet (14), products export (11), is divided into preheating zone, heating tape and salband in desulfurizing agent production equipment; Described heating tape is provided with the channel-type partition heating system (15) of band high-effective dust-removing equipment, and described gas vent (3) is connected to gas flue by the channel-type partition heating system of band high-effective dust-removing equipment; Described cyclone furnace apparatus for energy recovery comprises cyclone cylinder (25), band raceway groove flue (28) and heat-obtaining flue (31), described cyclone cylinder is provided with coal dust and First air entrance (23), Secondary Air entrance (24), band lime-ash smoke inlet (26), melt cinder mouth (27), and described heat-obtaining flue is provided with steam generator (29) and Waste gas outlet (30); Described exhanst gas outlet is connected to cyclone cylinder by band lime-ash smoke inlet, and the bottom of cyclone cylinder is connected with band raceway groove flue, and the top of band raceway groove flue is connected with heat-obtaining flue; Described exhanst gas outlet (22) or Waste gas outlet (30) are connected with exhaust system by denitration device.
2. the CFBB of band TRT according to claim 1, is characterized in that: described desulfurizing agent production equipment (1) is provided with cooling blower (12), and the salband of desulfurizing agent production equipment is provided with cooling air inlet and cooling air outlet; Cooling blower is connected to cooling air inlet, and cooling air outlet is connected to combustion air entrance (8).
3. the CFBB of band TRT according to claim 1, it is characterized in that: gas vent (3) pipeline or band raceway groove flue (28) of described cyclone separator are provided with supplementary burner (2), and the air intake of described burner is connected to the outlet of heat exchanger (20); Postcombustion burner is gaseous fuel burner, liquid fuel burner or solid fuel burner.
4. the CFBB of band TRT according to claim 1, is characterized in that: described steam generator (29) is connected with generating equipment.
5. the CFBB of the band TRT according to claim 1 or 4, it is characterized in that: described generating equipment is provided with steam turbine and generating set, steam turbine is connected with generating set, and described steam pipe coil (18) and/or steam generator (29) are connected with steam turbine.
6. the CFBB of band TRT according to claim 1, it is characterized in that: described device is provided with carbon dioxide treatment unit, described carbon dioxide treatment unit is provided with purifying carbon dioxide equipment, carbon dioxide cooling device and carbon dioxide storage tank, and purifying carbon dioxide equipment, carbon dioxide cooling device are connected successively with carbon dioxide storage tank; Described carbon dioxide outlet (14) and purifying carbon dioxide equipment connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420431565.0U CN204063013U (en) | 2014-08-01 | 2014-08-01 | A kind of CFBB with TRT |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420431565.0U CN204063013U (en) | 2014-08-01 | 2014-08-01 | A kind of CFBB with TRT |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204063013U true CN204063013U (en) | 2014-12-31 |
Family
ID=52204520
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420431565.0U Withdrawn - After Issue CN204063013U (en) | 2014-08-01 | 2014-08-01 | A kind of CFBB with TRT |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204063013U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104180366A (en) * | 2014-08-01 | 2014-12-03 | 石家庄新华能源环保科技股份有限公司 | Circulating fluidized bed boiler with generation device |
| CN104748108A (en) * | 2015-04-10 | 2015-07-01 | 东方电气集团东方锅炉股份有限公司 | Cooperative-control CFB (Circulating Fluidized Bed) boiler in-furnace desulphurization and denitration burning system and cooperative-control CFB boiler in-furnace desulphurization and denitration burning method |
| CN108178173A (en) * | 2018-01-04 | 2018-06-19 | 清华大学 | The roasting system and method for a kind of aluminium hydroxide |
-
2014
- 2014-08-01 CN CN201420431565.0U patent/CN204063013U/en not_active Withdrawn - After Issue
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104180366A (en) * | 2014-08-01 | 2014-12-03 | 石家庄新华能源环保科技股份有限公司 | Circulating fluidized bed boiler with generation device |
| CN104180366B (en) * | 2014-08-01 | 2016-08-24 | 石家庄新华能源环保科技股份有限公司 | A kind of CFBB of band TRT |
| CN104748108A (en) * | 2015-04-10 | 2015-07-01 | 东方电气集团东方锅炉股份有限公司 | Cooperative-control CFB (Circulating Fluidized Bed) boiler in-furnace desulphurization and denitration burning system and cooperative-control CFB boiler in-furnace desulphurization and denitration burning method |
| CN104748108B (en) * | 2015-04-10 | 2017-05-31 | 东方电气集团东方锅炉股份有限公司 | The combustion system and method for Collaborative Control CFB boiler in-furnace desulfurization, denitration |
| CN108178173A (en) * | 2018-01-04 | 2018-06-19 | 清华大学 | The roasting system and method for a kind of aluminium hydroxide |
| CN108178173B (en) * | 2018-01-04 | 2019-11-22 | 清华大学 | A kind of roasting system and method for aluminium hydroxide |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20141231 Effective date of abandoning: 20160824 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |