CN103925808A - Smoke waste heat efficient recycling system and method of sintering machine - Google Patents
Smoke waste heat efficient recycling system and method of sintering machine Download PDFInfo
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- CN103925808A CN103925808A CN201410187491.5A CN201410187491A CN103925808A CN 103925808 A CN103925808 A CN 103925808A CN 201410187491 A CN201410187491 A CN 201410187491A CN 103925808 A CN103925808 A CN 103925808A
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- sintering
- waste heat
- flue gas
- sintering machine
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- 238000005245 sintering Methods 0.000 title claims abstract description 93
- 239000002918 waste heat Substances 0.000 title claims abstract description 37
- 238000000034 method Methods 0.000 title claims abstract description 28
- 239000000779 smoke Substances 0.000 title claims abstract description 16
- 238000004064 recycling Methods 0.000 title abstract description 17
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 67
- 239000002912 waste gas Substances 0.000 claims abstract description 10
- 229910002091 carbon monoxide Inorganic materials 0.000 claims abstract description 9
- 239000003546 flue gas Substances 0.000 claims description 62
- 239000000428 dust Substances 0.000 claims description 18
- 238000001816 cooling Methods 0.000 claims description 16
- 239000000498 cooling water Substances 0.000 claims description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 claims description 8
- 239000007789 gas Substances 0.000 claims description 8
- 238000002485 combustion reaction Methods 0.000 claims description 6
- 239000012717 electrostatic precipitator Substances 0.000 claims description 5
- 239000003517 fume Substances 0.000 claims description 5
- 238000010438 heat treatment Methods 0.000 claims description 5
- 238000005260 corrosion Methods 0.000 claims description 4
- 230000007797 corrosion Effects 0.000 claims description 4
- 238000006392 deoxygenation reaction Methods 0.000 claims description 3
- 230000008676 import Effects 0.000 claims description 2
- 238000003825 pressing Methods 0.000 claims description 2
- 229910000831 Steel Inorganic materials 0.000 abstract description 6
- 239000010959 steel Substances 0.000 abstract description 6
- 238000005265 energy consumption Methods 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 7
- 238000011084 recovery Methods 0.000 description 7
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
- 230000005611 electricity Effects 0.000 description 4
- 229910052742 iron Inorganic materials 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000003723 Smelting Methods 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 238000009770 conventional sintering Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 230000003134 recirculating effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
Classifications
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- 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
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
-
- 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
- Y02P80/00—Climate change mitigation technologies for sector-wide applications
- Y02P80/10—Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier
- Y02P80/15—On-site combined power, heat or cool generation or distribution, e.g. combined heat and power [CHP] supply
Landscapes
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Abstract
The invention discloses a smoke waste heat efficient recycling system and method of a sintering machine, and belongs to the technical field of sintering waste heat recycling of steel works. The smoke waste heat efficient recycling system comprises a sintering machine smoke recycling system and a sintering machine waste gas waste heat utilization system, wherein the sintering machine smoke recycling system adopts a high-temperature fan used for recycling smoke waste heat at the low-temperature section at the front portion of the sintering machine and incompletely combusted carbon monoxide in smoke, and adopts a sintering machine main discharge waste heat boiler used for recycling the waste heat of high-temperature waste gas at the tail portion of the sintering machine, a high-temperature electric butterfly valve is further arranged at a high-temperature section and a low-temperature section at the tail portion of the sintering machine and used for preventing direct mixing of low-temperature smoke and high-temperature smoke, and therefore smoke air-taking temperature is lowered, and it is ensured that the high-temperature smoke enters the main discharge waste heat coiler to be subjected to waste heat recycling. The smoke waste heat efficient recycling system and method of the sintering machine effectively improve the waste heat recycling rate of a sintering process, and achieve reasonable and efficient utilization of resources in the sintering process.
Description
Technical field
The present invention relates to the high efficiente callback of a kind of sintering device flue gas waste heat and utilize system and method thereof, belong to steel works sintering cogeneration technology field.
Background technology
Iron and steel directly has influence on ten thousand yuan of GDP energy consumptions of China as its energy consumption of foundation stone of national product, therefore energy-conservation particularly important in steel manufacture process.According to investigations, ironmaking system accounts for iron and steel and produces 69.41% of total energy consumption, and wherein sintering circuit energy consumption accounts for the 9-12% of whole iron and steel enterprise total energy consumption, is only second to Iron-smelting.Sintering process residual heat resources mainly contain two large divisions: the one, and crimson sintering mine sensible heat in sintering process, is about 350-420 DEG C at cooler high temperature section EGT; The 2nd, sinter fume sensible heat in sintering process, the EGT of discharging in sintering machine tail bellows high temperature section is 300-380 DEG C.In sintering production process, there is the heat energy of 50% left and right to enter atmosphere with the sensible heat form of sinter fume and cooling machine waste gas.It is reported, China's sintering circuit heat recovery rate is not high at present, the energy consumption average of China's sintering circuit and advanced foreign technology level ratio in addition, and energy consumption is high by 7.2%.Therefore reduce energy consumption in sintering process and have very large space.
Along with the research of people to sintered, energy saving technology, some patented technologies are developed.In Chinese patent " the residual heat combined recovery electricity generation system of sintering device flue gas and cooling machine waste gas and method " (patent No. ZL201010523625.8), sintering device flue gas and the residual heat combined recovery electricity generation system of cooling machine waste gas are disclosed, it adopts two pressure waste heat boilers to reclaim in the generation of central cooler waste gas residual heat and presses main steam and low pressure filling, a single-pressure HGSR reclaims sintering machine large flue high temperature section flue gas and produces the middle pressure main steam identical with the cold waste heat boiler parameter of ring, adopts condensing filling formula Turbo-generator Set acting generating.Although the method has been recycled the residual heat resources in sintering circuit to a certain extent, the anterior low-temperature flue gas sensible heat of sintering machine and imperfect combustion carbon monoxide are not utilized, cause the utilization of sintering device flue gas residual heat resources abundant not.
Summary of the invention
The object of the invention is to, only reclaim sintering machine afterbody high temperature section fume afterheat for current operation with in most of sintering process UTILIZATION OF VESIDUAL HEAT IN engineering of building, and the anterior thermal source of sintering machine is not paid attention to and utilized, this part resource is wasted, thereby the efficiency that has caused sintering waste heat to utilize is not high, therefore proposes a kind of sintering device flue gas high-efficiency recycling device for waste heat and method thereof.
For achieving the above object, process system of the present invention adopts following technical scheme:
The high efficiente callback of a kind of sintering device flue gas waste heat utilizes system, comprise sintering device flue gas cyclic utilization system and fritting machine waste gas bootstrap system, described sintering device flue gas cyclic utilization system, comprise in one that warm air-introduced machine is for reclaiming the anterior low-temperature zone fume afterheat of sintering machine, a multi-tube dust cleaner is for purifying the flue gas of extracting out from sintering machine, the smoke inlet of described middle temperature air-introduced machine is connected with the outlet of multi-tube dust cleaner, the exhanst gas outlet of described middle temperature air-introduced machine is connected with circulation petticoat pipe, described multi-tube dust cleaner import is connected with plenum chamber, described plenum chamber is connected with the anterior bellows down-comer of sintering machine, described fritting machine waste gas bootstrap system, comprise a main exhaust heat boiler, between the exhanst gas outlet of described main exhaust heat boiler and the anterior low-temperature zone of the large flue of sintering machine, be connected by air-introduced machine, a high temperature electric butterfly valve is set between the large flue afterbody high temperature section of described sintering machine and anterior low-temperature zone, the outlet of described large flue is connected with the entrance of electrostatic precipitator, the outlet of described electrostatic precipitator is connected with the entrance of main exhauster, and the outlet of described main exhauster is communicated with diffusing chimney.
Described main exhaust heat boiler adopts single therrmodynamic system of pressing, and inside is provided with economizer, evaporimeter and superheater.
Further, superheater in described main exhaust heat boiler is also connected with steam turbine, steam turbine one road is connected to generator, another road is connected with condenser, condensate pump, oxygen-eliminating device, boiler feed pump successively, boiler feed pump is connected to the economizer in main exhaust heat boiler, and wherein condenser and cooling water circulation water pump and cooling tower form a closed circuit.
Utilize the high efficiente callback of above-mentioned a kind of sintering device flue gas waste heat to utilize the method for utilizing of system, concrete steps are as follows: middle temperature air-introduced machine contains sintering machine front portion imperfect combustion carbon monoxide under low temperature flue gas and be transported to the afterbody utilization of sintering machine, the flue gas utilizing purifies in multi-tube dust cleaner, for adjusting the suitably cold blast sliding valve on ON cycle flue of temperature of flue gas; The high-temperature flue gas that sintering machine afterbody is enhanced temperature enters in main exhaust heat boiler, carrying out heat exchange by superheater, evaporimeter and economizer successively sends the large flue low-temperature flue gas anterior with it back to by air-introduced machine after cooling and mixes, to ensure that flue-gas temperature in large flue is on dew-point temperature, in order to avoid the corrosion of the sulfur dioxide in flue gas to equipment; The superheated steam heat supply user of main exhaust heat boiler output uses.
Further, the superheated steam of described main exhaust heat boiler output, deliver to the main inlet throttle-stop valve of steam turbine, Steam Actuation steam turbine does work and drives after generator generating, exhaust steam is condensed into water through condenser, then is delivered to after vacuum dust cather deoxygenation by condensate pump, is pumped to the economizer heating of sintering machine main exhaust heat boiler by boiler feedwater, after heating, deliver in drum, form a complete closed circuit; Wherein cooling water is pumped to heat exchange in condenser by cooling water cycle water, the cooling water after heat exchange send into again in cooling tower, carry out cooling, thereby form a closed circuit.
Compared with conventional sintering waste heat generating system, superiority of the present invention is embodied in: (1) has effectively utilized the anterior obvious heat of smoke of sintering machine and imperfect combustion carbon monoxide resource, improve the temperature of afterbody high-temperature flue gas and then increased exerting oneself of boiler, recycling afterbody high-temperature flue gas carries out heat recovery, thereby improve the heat recovery efficiency of sintering process, realized resource in sintering process and rationally utilized efficiently; (2) utilize system by the anterior flue gas recirculation of sintering machine, reduced the power of large flue main exhauster, realized industrial electric power energy-saving.
Brief description of the drawings
Fig. 1 is the conventional electricity generation system that only reclaims sintering waste heat.
Fig. 2 is that a kind of sintering device flue gas waste heat of the present invention high efficiente callback utilizes process system.In figure except the word of having indicated, 1-sintering machine; 2-bellows down-comer; 3-circulation petticoat pipe; 4-plenum chamber; 5-cold blast sliding valve; 6-multi-tube dust cleaner; Warm air-introduced machine in 7-; 8-large flue; The main exhaust heat boiler of 9-; 10-evaporimeter; 11-superheater; 12-drum; 13-economizer; 14-air-introduced machine; 15-high temperature electric butterfly valve; 16-boiler feed pump; 17-vacuum dust cather; 18-electrostatic precipitator; 19-main exhauster; 20-diffusing chimney.
Fig. 3 is that a kind of sintering device flue gas waste heat of the present invention high efficiente callback utilizes another embodiment of process system.In figure except the word of having indicated, 21-steam turbine; 22-generator; 23-condenser; 24-condensate pump; 25-cooling water circulation water pump; 26-cooling tower.
Detailed description of the invention
Be described further below in conjunction with drawings and Examples.
Embodiment one: as shown in Figure 2, a kind of sintering device flue gas waste heat of the present invention high efficiente callback utilizes process system, utilize the gas that in one, warm air-introduced machine 7 contains carbon monoxide anterior sintering machine bellows to be transported to the utilization of sintering machine afterbody, middle temperature air-introduced machine 7 smoke inlets are connected with multi-tube dust cleaner 6 outlets, the low-temperature flue gas that contains carbon monoxide is transported in circulation petticoat pipe by middle temperature air-introduced machine 7 after udst separation in multi-tube dust cleaner 6, multi-tube dust cleaner 6 is connected with plenum chamber 4, plenum chamber 4 and anterior bellows down-comer 2 UNICOMs.
Utilize a sintering machine main exhaust heat boiler 9 to reclaim sintering afterbody high-temperature flue gas waste heat, the cigarette wind inlet of waste heat boiler 9 is connected with large flue 8 afterbodys, waste heat boiler 9 exhanst gas outlets are sent the low-temperature zone position of large flue 8 back to by air-introduced machine 14, the superheated steam that the superheater 11 of waste heat boiler 9 exports output uses as product heat supply user.
Concrete technology flow process: by warm air-introduced machine 7 in, imperfect combustion carbon monoxide under low temperature flue gas is contained in sintering machine 1 front portion and send in circulation petticoat pipe for sintering machine 1 afterbody sintering, and the flue gas utilizing purifies in multi-tube dust cleaner 6, for adjusting the suitably cold blast sliding valve 5 on ON cycle flue of temperature of flue gas, contain recycling of CO gas by low temperature, improve the temperature of sintering machine 1 afterbody bellows, recycling sintering machine main exhaust heat boiler 9 carries out waste heat recovery, tail high-temperature flue gas and anterior low-temperature flue gas are cut off with high temperature electric butterfly valve 15 sintering machine 1 large flue 8 is interior, high-temperature flue gas enters in main exhaust heat boiler 9, pass through successively superheater, evaporimeter and economizer carry out heat exchange and send large flue 8 back to by an air-introduced machine 14 after cooling and mix with low-temperature flue gas wherein, to ensure that flue-gas temperature in large flue 8 is on dew-point temperature, in order to avoid the corrosion of the sulfur dioxide in flue gas to equipment.The superheated steam heat supply user of main exhaust heat boiler 9 outputs uses.
Embodiment two: as shown in Figure 3, increase other accessory systems such as a set of turbine generating system, recirculating cooling water system on the basis of embodiment one.The object of embodiment two is that the superheated steam in embodiment one is used for generating electricity.
Concrete technology flow process: by warm air-introduced machine 7 in, imperfect combustion carbon monoxide under low temperature flue gas is contained in sintering machine 1 front portion and send in circulation petticoat pipe for sintering machine 1 afterbody sintering, and the flue gas utilizing purifies in multi-tube dust cleaner 6, for adjusting the suitably cold blast sliding valve 5 on ON cycle flue of temperature of flue gas, contain recycling of CO gas by low temperature, improve the temperature of sintering machine 1 afterbody bellows, recycling sintering machine main exhaust heat boiler 9 carries out waste heat recovery, tail high-temperature flue gas and anterior low-temperature flue gas are cut off with high temperature electric butterfly valve 15 sintering machine 1 large flue 8 is interior, high-temperature flue gas enters in main exhaust heat boiler 9, pass through successively superheater, evaporimeter and economizer carry out heat exchange and send large flue 8 back to by an air-introduced machine 14 after cooling and mix with low-temperature flue gas wherein, to ensure that flue-gas temperature in large flue 8 is on dew-point temperature, in order to avoid the corrosion of the sulfur dioxide in flue gas to equipment.The superheated steam of main exhaust heat boiler 9 outputs, deliver to the main inlet throttle-stop valve of steam turbine 21, Steam Actuation steam turbine 21 does work and drives after generator 22 generatings, exhaust steam is condensed into water through condenser 23, delivered to after vacuum dust cather 17 deoxygenations by condensate pump 24 again, the economizer 13 of delivering to sintering machine main exhaust heat boiler 9 by boiler feed pump 16 heats, and delivers in drum 12 after heating, forms a complete closed circuit.Wherein cooling water is delivered to heat exchange in condenser 23 by cooling water circulation water pump 25, the cooling water after heat exchange send into again in cooling tower 26, carry out cooling, thereby form a closed circuit.
The foregoing is only the preference embodiment that a kind of sintering device flue gas waste heat of the present invention high efficiente callback utilizes process system, do not form limiting the scope of the present invention.Any any amendment of doing within the spirit and principles in the present invention, be equal to and replace and improvement etc., within all should being included in claim protection domain of the present invention.
Claims (5)
1. the high efficiente callback of sintering device flue gas waste heat utilizes a system, comprises sintering device flue gas cyclic utilization system and fritting machine waste gas bootstrap system, it is characterized in that:
Described sintering device flue gas cyclic utilization system, comprise in one that warm air-introduced machine (7) is for reclaiming the anterior low-temperature zone fume afterheat of sintering machine (1), a multi-tube dust cleaner (6) is for purifying the flue gas of extracting out from sintering machine (1), the smoke inlet of described middle temperature air-introduced machine (7) is connected with the outlet of multi-tube dust cleaner (6), the exhanst gas outlet of described middle temperature air-introduced machine (7) is connected with circulation petticoat pipe (3), described multi-tube dust cleaner (6) import is connected with plenum chamber (4), described plenum chamber (4) is connected with the anterior bellows down-comer of sintering machine (1) (2),
Described fritting machine waste gas bootstrap system, comprise a main exhaust heat boiler (9), between the anterior low-temperature zone of the large flue (8) of the exhanst gas outlet of described main exhaust heat boiler (9) and sintering machine (1), be connected by air-introduced machine (14), between large flue (8) the afterbody high temperature section of described sintering machine (1) and anterior low-temperature zone, a high temperature electric butterfly valve (15) is set, the outlet of described large flue (8) is connected with the entrance of electrostatic precipitator (18), the outlet of described electrostatic precipitator (18) is connected with the entrance of main exhauster (19), the outlet of described main exhauster (19) is communicated with diffusing chimney (20).
2. a kind of sintering device flue gas waste heat according to claim 1 high efficiente callback utilizes system, it is characterized in that: described main exhaust heat boiler (9) adopts single therrmodynamic system of pressing, and inside is provided with economizer (13), evaporimeter (10) and superheater (11).
3. a kind of sintering device flue gas waste heat according to claim 2 high efficiente callback utilizes system, it is characterized in that: the superheater (11) in described main exhaust heat boiler (9) is also connected with steam turbine (21), steam turbine (21) one roads are connected to generator
(22), another road is connected with condenser (23), condensate pump (24), oxygen-eliminating device (17), boiler feed pump (16) successively, boiler feed pump (16) is connected to the economizer (13) in main exhaust heat boiler (9), and wherein condenser (23) forms a closed circuit with cooling water circulation water pump (25) and cooling tower (26).
4. the high efficiente callback of a kind of sintering device flue gas waste heat utilizes the method for utilizing of system as claimed in claim 1, it is characterized in that, concrete steps are as follows: middle temperature air-introduced machine (7) contains sintering machine (1) front portion imperfect combustion carbon monoxide under low temperature flue gas and be transported to the afterbody utilization of sintering machine (1), the flue gas utilizing purifies in multi-tube dust cleaner (6), for adjusting the suitably cold blast sliding valve (5) on ON cycle flue of temperature of flue gas; The high-temperature flue gas that sintering machine (1) afterbody is enhanced temperature enters in main exhaust heat boiler (9), carrying out heat exchange by superheater (11), evaporimeter (10) and economizer (13) successively sends large flue (8) low-temperature flue gas anterior with it back to by air-introduced machine (14) after cooling and mixes, to ensure that the interior flue-gas temperature of large flue (8) is on dew-point temperature, in order to avoid the corrosion of the sulfur dioxide in flue gas to equipment; The superheated steam heat supply user of main exhaust heat boiler (9) output uses.
5. the high efficiente callback of a kind of sintering device flue gas waste heat utilizes method as claimed in claim 4, it is characterized in that, the superheated steam of described main exhaust heat boiler (9) output, deliver to the main inlet throttle-stop valve of steam turbine (21), Steam Actuation steam turbine (21) does work and drives after generator (22) generating, exhaust steam is condensed into water through condenser (23), delivered to after vacuum dust cather (17) deoxygenation by condensate pump (24) again, deliver to economizer (13) heating of sintering machine main exhaust heat boiler (9) by boiler feed pump (16), after heating, deliver in drum (12), form a complete closed circuit, wherein cooling water is delivered to heat exchange in condenser (23) by cooling water circulation water pump (25), the cooling water after heat exchange send into again in cooling tower (26), carry out cooling, thereby form a closed circuit.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410187491.5A CN103925808A (en) | 2014-05-05 | 2014-05-05 | Smoke waste heat efficient recycling system and method of sintering machine |
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| CN201410187491.5A CN103925808A (en) | 2014-05-05 | 2014-05-05 | Smoke waste heat efficient recycling system and method of sintering machine |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108021782A (en) * | 2016-11-15 | 2018-05-11 | 赵志渊 | A kind of computational methods of the definite single-pressure HGSR thermal efficiency and parameter of discharging fume |
| CN112944930A (en) * | 2021-03-31 | 2021-06-11 | 北京首钢国际工程技术有限公司 | Sintering flue gas circulation method and sintering flue gas circulation system |
| CN114001559A (en) * | 2021-12-02 | 2022-02-01 | 北京新世翼节能环保科技股份有限公司 | Sintering machine flue gas waste heat deep utilization power generation system and method |
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| JPH1052624A (en) * | 1997-05-21 | 1998-02-24 | Sumitomo Heavy Ind Ltd | Purifying method of exhaust gas from sintering machine |
| CN101893384A (en) * | 2009-05-21 | 2010-11-24 | 宝山钢铁股份有限公司 | Method of sintering low temperature waste heat circulation and discharged waste gas reduction and device thereof |
| CN102072662A (en) * | 2009-11-25 | 2011-05-25 | 东北大学 | Integrative method and apparatus for waste heat recovery, flue gas treatment and porous sintering in sintering process |
| CN201852474U (en) * | 2010-10-29 | 2011-06-01 | 南京凯盛开能环保能源有限公司 | Sintering machine flue gas and cooler exhaust gas waste heat combined recovery power generation system |
| CN203824347U (en) * | 2014-05-05 | 2014-09-10 | 南京凯盛开能环保能源有限公司 | Efficient smoke waste heat recycling system of sintering machine |
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2014
- 2014-05-05 CN CN201410187491.5A patent/CN103925808A/en active Pending
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| JPH1052624A (en) * | 1997-05-21 | 1998-02-24 | Sumitomo Heavy Ind Ltd | Purifying method of exhaust gas from sintering machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108021782A (en) * | 2016-11-15 | 2018-05-11 | 赵志渊 | A kind of computational methods of the definite single-pressure HGSR thermal efficiency and parameter of discharging fume |
| CN112944930A (en) * | 2021-03-31 | 2021-06-11 | 北京首钢国际工程技术有限公司 | Sintering flue gas circulation method and sintering flue gas circulation system |
| CN112944930B (en) * | 2021-03-31 | 2024-12-27 | 北京首钢国际工程技术有限公司 | Sintering flue gas circulation method |
| CN114001559A (en) * | 2021-12-02 | 2022-02-01 | 北京新世翼节能环保科技股份有限公司 | Sintering machine flue gas waste heat deep utilization power generation system and method |
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Application publication date: 20140716 |