CN108444301A - Sintering mine sensible heat recycles electricity generation system and method - Google Patents
Sintering mine sensible heat recycles electricity generation system and method Download PDFInfo
- Publication number
- CN108444301A CN108444301A CN201810227434.3A CN201810227434A CN108444301A CN 108444301 A CN108444301 A CN 108444301A CN 201810227434 A CN201810227434 A CN 201810227434A CN 108444301 A CN108444301 A CN 108444301A
- Authority
- CN
- China
- Prior art keywords
- low
- sensible heat
- electricity generation
- generation system
- sintering mine
- 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.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D17/00—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases
- F27D17/004—Systems for reclaiming waste heat
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D15/00—Adaptations of machines or engines for special use; Combinations of engines with devices driven thereby
- F01D15/10—Adaptations for driving, or combinations with, electric generators
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
- F01K11/00—Plants characterised by the engines being structurally combined with boilers or condensers
- F01K11/02—Plants characterised by the engines being structurally combined with boilers or condensers the engines being turbines
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D15/00—Handling or treating discharged material; Supports or receiving chambers therefor
- F27D15/02—Cooling
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D17/00—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases
- F27D17/004—Systems for reclaiming waste heat
- F27D2017/006—Systems for reclaiming waste heat using a boiler
-
- 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
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Environmental & Geological Engineering (AREA)
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Abstract
Include fume recovery system, afterheat boiler system and generating set system the invention discloses a kind of sintering mine sensible heat recycling electricity generation system and method, the system.Using sintering mine sensible heat generate in, low-temperature flue gas waste heat generate Steam Actuation Turbo-generator Set generate electricity, and it is recycled the flue gas after heat exchange as cooler cooling gas, it is the effective measures and the trend of the energy-efficient important channel of steel enterprise sintering and Future Development of iron and steel enterprise's expansion energy-saving and emission-reduction, the synergy that lowers consumption.
Description
Technical field
The present invention relates to it is a kind of generated using sintering mine sensible heat in, the system and method that generates electricity of low temperature cigarette waste heat.
Background technology
Steel industry is a high energy consumption, the industry of high pollution.According to statistics, sintering circuit energy consumption accounts for about entire iron and steel enterprise
10% or so of energy consumption is the second energy consumption rich and influential family for being only second to ironmaking.The effective energy of metallurgical production consumption only accounts for 28.3%, and
The utilization of residual heat and energy accounts for 71.7%.Mine sensible heat (ring cold machine exhaust gas) is sintered there are about 50% thermal energy and burn in being sintered engineering
Knot machine obvious heat of smoke is taken away, and wherein sintering mine sensible heat accounts for sintering circuit energy consumption and reaches as high as 35%.Currently, China's sintering circuit list
The energy consumption index of position ton sinter is higher by 19% than external advanced colleague's energy consumption index.Wherein, with external advanced phase of going together
Than the recycling ratio for implementing fume afterheat resource in the sintering process of Iron and Steel Enterprises in China is relatively low, is one of master
Want factor.It proposes corresponding strategy of Saving Energy, fully recycles this partial fume waste heat, carry out energy-saving and emission-reduction work, to steel
For enterprise, it is of great significance.
Invention content
In view of this, a kind of sintering mine sensible heat recycling electricity generation system of present invention offer and method, are produced using sintering mine sensible heat
In raw, low-temperature flue gas waste heat generate Steam Actuation Turbo-generator Set generate electricity, and using the flue gas after heat exchange as
Cooler cooling gas recycles.
In order to solve the above technical problems, the technical scheme is that：A kind of sintering mine sensible heat recycling electricity generation system, it is special
Sign is：Including fume recovery system, afterheat boiler system and generating set system.
As an improvement the fume recovery system includes the air bells cap being arranged on cooler outlet flue, institute's hot wind
Air-introduced machine is provided in cover.
As an improvement the air bells cap is two groups be arranged before and after cooler, forward one group is middle warm
Fan housing, one group rearward is low temperature air bells cap.
As a preferred embodiment, the afterheat boiler system has medium temperature end and low-temperature end；The medium temperature end and medium temperature hot wind
Cover connection, the low-temperature end are connect with low temperature air bells cap.
As an improvement the afterheat boiler system is provided with the discharge pipe being connect with cooler bellows, the outlet air
Air-introduced machine and circulating fan are provided on pipe.
As a preferred embodiment, further including the emptier being connected on discharge pipe, valve is provided with before the emptier
Door.
As an improvement the generating set is filling condensing steam turbine generator.
The present invention also provides a kind of sintering mine sensible heats to recycle electricity-generating method, includes the following steps：
A. Fractional Collections cooler outlet flue flue gas；
B. the medium temperature flue gas being collected into is delivered to waste heat boiler medium temperature end, the low-temperature flue gas being collected into is delivered to waste heat
Boiler low-temperature end；
C. the medium pressure steam that waste heat boiler medium temperature end generates generates electricity as main steam for pushing generator group；Waste heat
The low temperature and low pressure steam that boiler low-temperature end generates is as filling；
D. the flue gas that heat exchange was carried out with waste heat boiler is delivered to cooler bellows as cooling gas.
The invention has the beneficial effects that：With above structure and the sintering mine sensible heat of step recycling electricity generation system and method
It is that energy-saving and emission-reduction are unfolded in iron and steel enterprise, the effective measures for the synergy that lowers consumption need not consume primary energy compared with thermoelectricity generates electricity
Source does not generate additional exhaust gas, waste residue, dust and other pernicious gases, be under current industrial industry energy conservation environmental requirement must
Right trend and product, have make full use of low temperature waste gas to achieve the purpose that turn waste into wealth, environment purification, be one and kill two birds with one stone
Comprehensive utilization of resources engineering project and the trend of the energy-efficient important channel of steel enterprise sintering and Future Development.
Description of the drawings
Fig. 1 is the structural diagram of the present invention.
It is marked in figure：1 cooler, 2 waste heat boilers, 3 air-introduced machines, 4 circulating fans, 5 emptier, 6 medium temperature air bells caps, 7
Low temperature air bells cap, 8 outlet flues, 9 valves, 10 bellows, 21 medium temperature ends, 22 low-temperature ends.
Specific implementation mode
In order to make those skilled in the art more fully understand technical scheme of the present invention, With reference to embodiment
The present invention is described in further detail.
As shown in Figure 1, the present invention provides a kind of sintering mine sensible heat recycling electricity generation system, including fume recovery system, waste heat
Boiler system and generating set system.
The fume recovery system includes the air bells cap being arranged on 1 outlet flue 8 of cooler, is provided with and draws in institute's air bells cap
Wind turbine.Air bells cap is along front and back two groups be arranged of cooler 1, and forward one group is medium temperature air bells cap 6, and one group rearward is low
Warm fan housing 7.
2 system of waste heat boiler has medium temperature end 21 and low-temperature end 22；The medium temperature end is connect with 21 medium temperature air bells caps 6, institute
Low-temperature end 22 is stated to connect with low temperature air bells cap 7.2 system of waste heat boiler is provided with the discharge pipe being connect with 1 bellows 10 of cooler, institute
It states and is provided with air-introduced machine 3 and circulating fan 4 on discharge pipe.Further include the emptier 5 being connected on discharge pipe, the emptying dress
It is provided with valve before setting 5.Valve 9 is also equipped between bellows 10 and circulating fan 4.The generating set is filling condensing-type
Steam turbine generator.
The present invention also provides a kind of sintering mine sensible heats to recycle electricity-generating method, includes the following steps：
A. Fractional Collections cooler outlet flue flue gas；The flue gas being collected into is respectively medium temperature flue gas and low-temperature flue gas.
B. the medium temperature flue gas being collected into is delivered to waste heat boiler medium temperature end, the low-temperature flue gas being collected into is delivered to waste heat
Boiler low-temperature end；
C. the medium pressure steam that waste heat boiler medium temperature end generates generates electricity as main steam for pushing generator group；Waste heat
The low temperature and low pressure steam that boiler low-temperature end generates is as filling；
D. the flue gas that heat exchange was carried out with waste heat boiler is delivered to cooler bellows as cooling gas.
It the above is only the preferred embodiment of the present invention, it is noted that above-mentioned preferred embodiment is not construed as pair
The limitation of the present invention, protection scope of the present invention should be subject to claim limited range.For the art
For those of ordinary skill, without departing from the spirit and scope of the present invention, several improvements and modifications can also be made, these change
Protection scope of the present invention is also should be regarded as into retouching.
Claims (8)
1. a kind of sintering mine sensible heat recycles electricity generation system, it is characterised in that：Including fume recovery system, afterheat boiler system and
Generating set system.
2. a kind of sintering mine sensible heat according to claim 1 recycles electricity generation system, it is characterised in that：The off-gas recovery system
System includes the air bells cap being arranged on cooler outlet flue, and air-introduced machine is provided in air bells cap.
3. a kind of sintering mine sensible heat according to claim 2 recycles electricity generation system, it is characterised in that：The air bells cap is cold
But front and back two groups be arranged of machine, forward one group is medium temperature air bells cap, and one group rearward is low temperature air bells cap.
4. a kind of sintering mine sensible heat according to claim 3 recycles electricity generation system, it is characterised in that：The waste heat boiler system
System has medium temperature end and low-temperature end；The medium temperature end is connect with medium temperature air bells cap, and the low-temperature end is connect with low temperature air bells cap.
5. a kind of sintering mine sensible heat according to claim 4 recycles electricity generation system, it is characterised in that：The waste heat boiler system
System is provided with the discharge pipe being connect with cooler bellows, and air-introduced machine and circulating fan are provided on the discharge pipe.
6. a kind of sintering mine sensible heat according to claim 5 recycles electricity generation system, it is characterised in that：Further include being connected to out
Emptier on air hose, the emptier are provided with valve before.
7. a kind of sintering mine sensible heat according to claim 1 recycles electricity generation system, it is characterised in that：The generating set is
Filling condensing steam turbine generator.
8. a kind of sintering mine sensible heat recycles electricity-generating method, it is characterised in that include the following steps：
A. Fractional Collections cooler outlet flue flue gas；
B. the medium temperature flue gas being collected into is delivered to waste heat boiler medium temperature end, the low-temperature flue gas being collected into is delivered to waste heat boiler
Low-temperature end；
C. the medium pressure steam that waste heat boiler medium temperature end generates generates electricity as main steam for pushing generator group；Waste heat boiler
The low temperature and low pressure steam that low-temperature end generates is as filling；
D. the flue gas that heat exchange was carried out with waste heat boiler is delivered to cooler bellows as cooling gas.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810227434.3A CN108444301A (en) | 2018-03-19 | 2018-03-19 | Sintering mine sensible heat recycles electricity generation system and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810227434.3A CN108444301A (en) | 2018-03-19 | 2018-03-19 | Sintering mine sensible heat recycles electricity generation system and method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108444301A true CN108444301A (en) | 2018-08-24 |
Family
ID=63195805
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810227434.3A Pending CN108444301A (en) | 2018-03-19 | 2018-03-19 | Sintering mine sensible heat recycles electricity generation system and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108444301A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54153703A (en) * | 1978-05-26 | 1979-12-04 | Nippon Kokan Kk <Nkk> | Recovery of waste air sensible heat in systematically separated cool air cooling system |
| CN101298962A (en) * | 2008-06-20 | 2008-11-05 | 东北大学 | Classification recovery and step utilizing method of residual heat resources in sintering process |
| CN101655319A (en) * | 2009-04-13 | 2010-02-24 | 浙江西子联合工程有限公司 | System for regulating and optimizing smoke by power generation and recycle of residual heat of sintering ring cold machine |
| CN101672578A (en) * | 2009-10-30 | 2010-03-17 | 中冶长天国际工程有限责任公司 | Power generation system using waste heat of sintering circular cooler |
| CN201876144U (en) * | 2010-11-25 | 2011-06-22 | 中冶赛迪工程技术股份有限公司 | Sintering afterheat power generating system |
| CN203489712U (en) * | 2013-06-25 | 2014-03-19 | 济钢集团国际工程技术有限公司 | Novel generating equipment with integrated application of waste heat in sintering, steel making and steel rolling |
| CN206683423U (en) * | 2017-04-27 | 2017-11-28 | 重庆钢铁(集团)有限责任公司 | A kind of sintering circular-cooler flue gas waste heat utilization device |
-
2018
- 2018-03-19 CN CN201810227434.3A patent/CN108444301A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54153703A (en) * | 1978-05-26 | 1979-12-04 | Nippon Kokan Kk <Nkk> | Recovery of waste air sensible heat in systematically separated cool air cooling system |
| CN101298962A (en) * | 2008-06-20 | 2008-11-05 | 东北大学 | Classification recovery and step utilizing method of residual heat resources in sintering process |
| CN101655319A (en) * | 2009-04-13 | 2010-02-24 | 浙江西子联合工程有限公司 | System for regulating and optimizing smoke by power generation and recycle of residual heat of sintering ring cold machine |
| CN101672578A (en) * | 2009-10-30 | 2010-03-17 | 中冶长天国际工程有限责任公司 | Power generation system using waste heat of sintering circular cooler |
| CN201876144U (en) * | 2010-11-25 | 2011-06-22 | 中冶赛迪工程技术股份有限公司 | Sintering afterheat power generating system |
| CN203489712U (en) * | 2013-06-25 | 2014-03-19 | 济钢集团国际工程技术有限公司 | Novel generating equipment with integrated application of waste heat in sintering, steel making and steel rolling |
| CN206683423U (en) * | 2017-04-27 | 2017-11-28 | 重庆钢铁(集团)有限责任公司 | A kind of sintering circular-cooler flue gas waste heat utilization device |
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| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
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Application publication date: 20180824 |