CN204125382U - A kind of partition shaft furnace with power generation assembly - Google Patents
A kind of partition shaft furnace with power generation assembly Download PDFInfo
- Publication number
- CN204125382U CN204125382U CN201420367033.5U CN201420367033U CN204125382U CN 204125382 U CN204125382 U CN 204125382U CN 201420367033 U CN201420367033 U CN 201420367033U CN 204125382 U CN204125382 U CN 204125382U
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- CN
- China
- Prior art keywords
- combustion chamber
- power generation
- generation assembly
- waste heat
- heat boiler
- 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.)
- Expired - Fee Related
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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
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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
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
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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
- 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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- 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
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/40—Production or processing of lime, e.g. limestone regeneration of lime in pulp and sugar mills
Abstract
The utility model relates to a kind of partition shaft furnace with power generation assembly, comprises waste heat boiler, power generation assembly, kiln body, induced draft fan, cooling blower, feeder apparatus, air feed system and fuel feed system.Heating zone is provided with combustion chamber, and one of combustion chamber is provided with burner, and other end is communicated with waste heat boiler.Burner is provided with coal powder entrance and First air entrance, and the bottom of combustion chamber is provided with secondary air entrance.Be provided with material lock between heating zone and cooling zone, material lock is concordant with the bottom of combustion chamber.Waste heat boiler is provided with steam coils, and steam coils is connected to steam turbine, and steam turbine is coaxially connected with generating set.The bottom of waste heat boiler is provided with molten slag bath, and molten slag bath is provided with slag notch.The utility model is arranged combustion chamber and is added material in heating kiln body by heat conduction brick structures muffle in heating zone, be conducive to the quality improving calcined material, reclaim highly purified carbonic acid gas.Burner exhaust heat is used for generating, improves thermo-efficiency, makes full use of resource.
Description
Technical field
The utility model belongs to industrial furnace technical field, relates to a kind of partition shaft furnace with power generation assembly.
Background technology
Lime kiln afterheat is recycled, can save energy consumption, reduces lime production cost, reduces the discharge of pollutent simultaneously.Limestone kiln is large-scale high energy consuming devices, and along with the fast development of national economy, the waste heat of industrial furnace is very abundant, availablely has a high potential.The industry of Iron And Steel Industry, calcium carbide, aluminum oxide industry and refractory industry are lime consumption rich anies influential family, and the quick growth of above-mentioned industry, has driven the high speed development in limestone kiln.In process of production, smog discharge temperature is high for large-scale active lime production line, is about 240 ~ 260 DEG C.This part fume afterheat is effectively utilized, energy wave can be reduced useless, increase economy and the feature of environmental protection in limestone kiln.Decomposition of limestone produce carbonic acid gas be precious resources, due to decompose carbonic acid gas and combustion product gases mix, be unfavorable for recovery and the utilization of carbonic acid gas.
The applicant is that openly " equipment that a kind of low temperature heat of lime kiln is recycled mainly comprises limestone kiln, working medium storage tank, working medium preheater, vapour generator, steam setting device, steam turbine, generator, transmitter and condenser in the application for a patent for invention of CN102338565A at publication number.By the cryogenic gas in working medium preheater limestone kiln by working medium preheating, by vapour generator thermal oil liberated heat, the working medium after preheating is converted into steam, recycling steam turbine drives electrical power generators, the electricity produced can be used for and uses to lime kiln device electrical equipment, also can be incorporated to the total net of electric power ".The utility model is the improvement in above-mentioned patented technology.
Utility model content
The purpose of this utility model is to provide the partition shaft furnace of band power generation assembly, combustion heating and decomposition of limestone is separated, is beneficial to the cogeneration of collecting highly purified carbonic acid gas He utilizing combustion product gases, reduces the energy consumption in limestone kiln, improves overall economic efficiency.
The partition shaft furnace of the utility model band power generation assembly, comprises waste heat boiler, power generation assembly, kiln body, induced draft fan, cooling blower, feeder apparatus, air feed system and fuel feed system.Kiln body is provided with opening for feed, discharge port, decomposition gas outlet and cooling air inlet, and be divided into preheating zone, heating zone and cooling zone in kiln body, power generation assembly comprises steam turbine and generating set, and steam turbine is coaxially connected with generating set.Decomposition gas outlet is connected with induced draft fan, and cooling blower is connected to cooling air inlet.Heating zone is provided with combustion chamber, and the quantity of combustion chamber is determined according to the scale of lime shaft kiln.One of combustion chamber is provided with burner, and other end is communicated with waste heat boiler.Burner is provided with coal powder entrance and First air entrance, and the bottom of combustion chamber is provided with secondary air entrance.Be provided with material lock between heating zone and cooling zone, material lock is positioned at the bottom of combustion chamber.Waste heat boiler is provided with steam coils, and steam coils is connected to power generation assembly, and the bottom of waste heat boiler is provided with molten slag bath, and molten slag bath is provided with slag notch.
First air entrance is that tangential way is connected with burner.The top of combustion chamber is provided with cone, and the wall of combustion chamber and cone are built by laying bricks or stones by heat conduction brick structures and to be formed or metallic substance is made, and described metallic substance comprises cast iron, cast steel or high temperature steel.Decomposition gas outlet replaces with suction bar, and suction bar outlet is connected with induced draft fan.Power generation assembly comprises steam turbine and generating set, and steam coils is connected with steam turbine, and steam turbine is connected with generating set.
The combustion-supporting gas of combustion chambers burn is air, oxygen-rich air or oxygen, if oxygen makes combustion-supporting gas firing, burning after produce flue gas through venting port to carbon dioxide treatment unit.If air, oxygen-rich air make combustion-supporting gas firing, burning after produce flue gas through venting port to exhaust emission system.The cooling air of cool lime selects air or carbonic acid gas, if make cooling air with air, cooled high temperature air enters combustion chamber through lower suction bar and secondary air entrance and makes secondary combustion-supporting wind.If make cooling gas with carbonic acid gas, cooled gas through lower suction bar and induced draft fan to the recycle of carbon dioxide treatment unit.
The partition shaft furnace of the utility model band power generation assembly carries out partition heating to the material in material burner hearth, carry out high-temp combustion by combustion chamber, heat passes to heating zone by heat conduction brick structures, carries out muffle heating, calcined limestone production high-quality lime, collects high-pureness carbon dioxide.Burner hearth burning produces high-temperature flue gas through waste heat boiler generation steam driven electrical power generators, utilizes resource to greatest extent, improves production capacity.The utility model can also be used for coal carbonization, the dry-distillation incineration of rubbish, the calcining of pelletizing, direct-reduced iron.The blue charcoal of coal carbonization production high-quality charcoal tail gas blue with the raw material high-quality that can be used as LNG.
The partition shaft furnace of the utility model band power generation assembly to add material in heating kiln body by arranging combustion chamber in heating zone by heat conduction brick structures muffle, be conducive to the quality improving calcined material, reclaim the gases such as highly purified carbonic acid gas.The flue gas of combustion chamber enters steam boiler, and steam driven electric power generation occurs, and improves thermo-efficiency, makes full use of resource.High-temperature gas after cooling zone cool lime product enters combustion chamber and makes secondary combustion-supporting wind, is conducive to the temperature improving combustion air, reduces the energy expenditure in limestone kiln.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model band power generation assembly partition shaft furnace;
Fig. 2 is that the A of Fig. 1 is to figure;
Wherein:
1-opening for feed, 2-kiln body, 3-preheating zone, 4-heating zone, 5-burner, 6-secondary air entrance, 7-cooling zone, 8-cooling air inlet, 9-discharge port, the outlet of 10-decomposition gas, 11-induced draft fan, 12-cone, 13-combustion chamber, 14-material lock, 15-cooling blower, 16-First air entrance, 17-coal powder entrance, 18-steam coils, 19-waste heat boiler, 20-molten slag bath, 21-slag notch.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in detail.
The partition shaft furnace of the utility model band power generation assembly, as shown in Figure 1 and Figure 2, comprises waste heat boiler 19, power generation assembly, kiln body 2, induced draft fan 11, cooling blower 15, feeder apparatus, air feed system and fuel feed system.Kiln body is provided with opening for feed 1, discharge port 9, decomposition gas outlet 10 and cooling air inlet 8, and be divided into preheating zone 3, heating zone 4 and cooling zone 7 in kiln body, power generation assembly comprises steam turbine and generating set, and steam turbine is coaxially connected with generating set.Decomposition gas outlet is connected with induced draft fan, and cooling blower is connected to cooling air inlet.Heating zone is provided with 3 combustion chambers 13, and one of combustion chamber is provided with burner 5, and other end is communicated with waste heat boiler.Burner is provided with coal powder entrance 17 and First air entrance 16, and First air entrance is that tangential way is connected with burner, and the bottom of combustion chamber is provided with secondary air entrance 6.Be provided with material lock 14 between heating zone and cooling zone, material lock is concordant with the bottom of combustion chamber.Waste heat boiler is provided with steam coils 18, and steam coils is connected to steam turbine, and the bottom of waste heat boiler is provided with molten slag bath 20, and molten slag bath is provided with slag notch 21.The top of combustion chamber is provided with cone 12, and the wall of combustion chamber and cone are built by laying bricks or stones by heat conduction brick structures and formed.
The operational process of the partition shaft furnace of the utility model band power generation assembly is, limestone material enters in partition Shaft kiln through feeder apparatus, opening for feed 1, through preheating zone 3 preheating, goes downwards to heating zone 4.Heat the material of heating zone by the combustion chamber 13 heat muffle produced that burns, Wingdale thermolysis is lime and carbonic acid gas, and carbonic acid gas upwards to run after the material of preheating preheating zone through decomposition gas outlet 10 to carbon dioxide treatment unit.High-temperature lime runs downwards and enters cooling zone 7 through material lock 14, and the cooling air bloated by cooling blower 15 enters cooling zone through cooling air inlet 8 and cools lime, and cooled lime is through discharge port 9 kiln discharge.Coal dust enters burner through coal powder entrance 17, the air that gas blower bloats enters burner 5 as First air through First air entrance and carries out combustion-supporting burning, cooling air temperature after cool lime reaches 300 ~ 500 DEG C, enters combustion chamber make secondary combustion-supporting wind by secondary air entrance 6.The slag of the molten state that combustion chambers burn produces enters after molten slag bath 20 releases heat discharges through slag notch 21.The useless flue gas that burning produces enters waste heat boiler 19, by steam coils 18 heat-obtaining, utilizes the waste heat generation steam of flue gas, and steam driven steam turbine drive electrical generators generates electricity.
Claims (5)
1. the partition shaft furnace with power generation assembly, comprise waste heat boiler (19), power generation assembly, kiln body (2), induced draft fan (11), cooling blower (15), feeder apparatus, air feed system and fuel feed system, kiln body is provided with opening for feed (1), discharge port (9), decomposition gas outlet (10) and cooling air inlet (8), preheating zone (3), heating zone (4) and cooling zone (7) is divided in kiln body, decomposition gas outlet is connected with induced draft fan, and cooling blower is connected to cooling air inlet; It is characterized in that: described heating zone is provided with combustion chamber (13), one of combustion chamber is provided with burner (5), and other end is communicated with waste heat boiler; Described burner is provided with coal powder entrance (17) and First air entrance (16), and First air entrance is with gas blower or/and oxygen pipeline is connected, and the bottom of combustion chamber is provided with secondary air entrance (6); Be provided with between described heating zone and cooling zone and expect to lock (14), material lock is positioned at the bottom of combustion chamber; Described waste heat boiler is provided with steam coils (18), and steam coils is connected to power generation assembly, and the bottom of waste heat boiler is provided with molten slag bath (20), and molten slag bath is provided with slag notch (21).
2. the partition shaft furnace of band power generation assembly according to claim 1, is characterized in that: described First air entrance is that tangential way is connected with burner.
3. the partition shaft furnace of band power generation assembly according to claim 1, it is characterized in that: the top of described combustion chamber is provided with cone (12), the wall of combustion chamber and cone are built by laying bricks or stones by heat conduction brick structures and to be formed or metallic substance is made, and described metallic substance comprises cast iron, cast steel or high temperature steel.
4. the partition shaft furnace of band power generation assembly according to claim 1, is characterized in that: described decomposition gas outlet (10) replaces with suction bar, and suction bar outlet is connected with induced draft fan (11).
5. the partition shaft furnace of band power generation assembly according to claim 1, is characterized in that: described power generation assembly comprises steam turbine and generating set, steam coils (18) is connected with steam turbine, and steam turbine is connected with generating set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420367033.5U CN204125382U (en) | 2014-07-04 | 2014-07-04 | A kind of partition shaft furnace with power generation assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420367033.5U CN204125382U (en) | 2014-07-04 | 2014-07-04 | A kind of partition shaft furnace with power generation assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204125382U true CN204125382U (en) | 2015-01-28 |
Family
ID=52381755
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420367033.5U Expired - Fee Related CN204125382U (en) | 2014-07-04 | 2014-07-04 | A kind of partition shaft furnace with power generation assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204125382U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104119005A (en) * | 2014-07-04 | 2014-10-29 | 石家庄新华能源环保科技股份有限公司 | Dividing-wall shaft kiln with power generation device |
| CN105066718A (en) * | 2015-08-20 | 2015-11-18 | 宝鸡市晋旺达机械设备有限公司 | Comprehensive utilization system for sintering waste heat |
-
2014
- 2014-07-04 CN CN201420367033.5U patent/CN204125382U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104119005A (en) * | 2014-07-04 | 2014-10-29 | 石家庄新华能源环保科技股份有限公司 | Dividing-wall shaft kiln with power generation device |
| CN104119005B (en) * | 2014-07-04 | 2016-07-13 | 石家庄新华能源环保科技股份有限公司 | A kind of partition shaft furnace with TRT |
| CN105066718A (en) * | 2015-08-20 | 2015-11-18 | 宝鸡市晋旺达机械设备有限公司 | Comprehensive utilization system for sintering waste heat |
| CN105066718B (en) * | 2015-08-20 | 2017-04-26 | 宝鸡市晋旺达机械设备有限公司 | Comprehensive utilization system for sintering waste heat |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150128 Termination date: 20160704 |