CN106862231A - Steel-making, ironmaking and sintering dust separation ash fixed-end forces and utilization system and its method - Google Patents
Steel-making, ironmaking and sintering dust separation ash fixed-end forces and utilization system and its method Download PDFInfo
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- CN106862231A CN106862231A CN201510912975.6A CN201510912975A CN106862231A CN 106862231 A CN106862231 A CN 106862231A CN 201510912975 A CN201510912975 A CN 201510912975A CN 106862231 A CN106862231 A CN 106862231A
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- Prior art keywords
- ash
- boiler
- ironmaking
- steel
- end forces
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE
- B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE
- B09B5/00—Operations not covered by a single other subclass or by a single other group in this subclass
Abstract
The present invention be more particularly directed to one kind steel-making, ironmaking and sintering dust separation ash fixed-end forces and utilization system and its method.Including boiler, boiler is connected with sack cleaner.Present invention steel-making, ironmaking and sintering dust separation ash fixed-end forces and utilization system simple structure, input cost are low.The system mixes original dedusting ash with coal dust, boiler is added to be burnt, iron is separated in the form of ashes, zinc oxide distils in boiler and is changed into gaseous state and enters sack cleaner with one-time dedusting ash, separated by sack cleaner after cooling down, fixed-end forces and comprehensive utilization process are simple and convenient to operate, and zinc removal effect is good.Zinc clearance is up to 99%.The high steam that dedusting ash and coal dust or coke powder are produced in boiler is directly entered steam turbine power generation without decompression, the Promethean high steam that make use of this part.
Description
（One）Technical field
It is special the present invention relates to making steel, smelting iron and sintering dust separation ash fixed-end forces and utilization system and its method steel industry
It is not related to a kind of steel-making, ironmaking and sintering dust separation ash fixed-end forces and utilization system and its method.
（Two）Background technology
Substantial amounts of dedusting ash is produced in ironmaking, the blast furnace of steel-making, containing iron, carbon, zinc etc. in the dedusting ash, the content of wherein iron can
To be up to 50%, but because zinc therein can endanger sintered ironmaking production, pallet is caused to paste castor bar, fan blade hangs mud,
Dust collector efficiency reduction, smoke contamination is aggravated, and plant maintenance amount is increased, and blast furnace influences direct motion and life-span because harmful element is enriched with
It is also what there is no lack of precedents even to cause the accident, so dedusting ash is difficult to recycle mostly, can only stack placement, not only causes money
The serious waste in source, and big quantity space is occupied, cause the waste in space, the main easily huge pollution as environment
Source, such case need to improve.
（Three）The content of the invention
Dedusting ash is difficult to the main cause being used, because the presence of Zn-ef ficiency.The present invention is in order to make up prior art
It is not enough, there is provided a kind of steel-making simple to operate, energy-conserving and environment-protective, ironmaking and sintering dust separation ash fixed-end forces and utilization system
And its method.The system and method are not only able to fixed-end forces and comprehensive utilization dedusting ash, and can separate Zn-ef ficiency, have reached
To the purpose that turns waste into wealth.
The present invention is achieved through the following technical solutions：
One kind steel-making, ironmaking and sintering dust separation ash fixed-end forces and utilization system, including boiler, it is characterized in that：
Boiler is connected with sack cleaner.
The boiler connects turbine generating system.
One kind steel-making, ironmaking and sintering dust separation ash fixed-end forces and method of comprehensive utilization, comprise the following steps：
（1）Mixing：Dedusting ash mixes with coal dust or coke powder,
（2）Combustion reaction：Boiler is added to be burnt, burning produces the ashes of solid-state and the final dusting ash of gaseous state shape；
（3）Separate：Ashes are discharged from lower portion thereof, and ferro element etc. is stored in ashes, and the final dusting of gaseous state shape is grey from top
Into sack cleaner, zinc oxide is contained in final dusting ash；
（4）Separate zinc oxide：Dedusting ash isolates zinc oxide through sack cleaner.
It is 20%-80% that dedusting ash accounts for dedusting ash with the percentage by weight of coal dust or coke powder mixture.If dedusting ash and coal dust
Mixing, boiler is added after need to grinding.
In sack cleaner, temperature is cooled to 200-400 DEG C and separates and collect zinc oxide.
The beneficial effects of the invention are as follows：Present invention steel-making, ironmaking and sintering dust separation ash fixed-end forces and utilization system
Simple structure, input cost is low.The system mixes original dedusting ash with coal dust, adds boiler to be burnt, and iron is with ashes
Form is separated, and zinc oxide distils in boiler and is changed into gaseous state and enters sack cleaner with one-time dedusting ash, after cooling down
Separated by sack cleaner, fixed-end forces and comprehensive utilization process are simple and convenient to operate, and zinc removal effect is good.
Zinc clearance is up to 99%.Dedusting ash and coal dust or coke powder are directly entered steam turbine in the high steam that boiler is produced without decompression
Generate electricity（The flue gas of converter 1 enters the producing steam of gasification cooling flue 2, and steam enters drum 3, and the steam pressure of the discharge of drum 3 is
10-40 kilograms, steam enters high pressure accumulator 4, and the steam pressure of the discharge of high pressure accumulator 4 is 10-40 kilograms, into steam turbine
5, it is 5-10 kilograms to go out the steam pressure of steam turbine 5, and steam turbine 5 drives electrical power generators using the pressure differential of steam）, originality
The high steam that make use of this part.
（Four）Brief description of the drawings
The present invention is further illustrated below in conjunction with the accompanying drawings.
Accompanying drawing 1 is the structural representation of the present invention；
In figure, 1 boiler, 2 sack cleaners, 3 turbine generating systems.
（Five）Specific embodiment
Accompanying drawing is a kind of specific embodiment of the invention.The embodiment includes boiler 1, and it is characterized in that：Boiler 1 and cloth bag
Deduster 2 is connected.
The boiler 1 connects turbine generating system 3, and the high steam that boiler 1 is produced is directly entered steamer without decompression
Machine electricity generation system 3 is generated electricity.
One kind steel-making, ironmaking and sintering dust separation ash fixed-end forces and method of comprehensive utilization, comprise the following steps：
（1）Mixing：Dedusting ash mixes with coal dust or coke powder, and dedusting ash accounts for dedusting ash with coal dust or the weight percent of coke powder mixture
Than being 20%-80%, if dedusting ash mixes with coal dust, boiler 1 is added after need to grinding；
（2）Combustion reaction：Boiler 1 is added to be burnt, burning produces the ashes of solid-state and the final dusting ash of gaseous state shape,
（3）Separate：Ashes are discharged from the bottom of boiler 1, and ferro element etc. is stored in ashes, and the final dusting of gaseous state shape is grey from top
Into sack cleaner 2, zinc oxide is contained in final dusting ash；
（4）Separate zinc oxide：Dedusting ash isolates zinc oxide through sack cleaner 2.
The high steam produced in boiler enters drum, and the steam pressure of drum discharge is 10-40 kilograms, and steam enters high
Pressure accumulator, the steam pressure of high pressure accumulator discharge is 10-40 kilograms, and into steam turbine, the steam pressure for going out steam turbine is
5-10 kilograms, steam turbine drives electrical power generators using the pressure differential of steam.
Or
The high steam produced in boiler enters drum, and the steam pressure of drum discharge is 10-40 kilograms, and steam enters steamer
Machine, it is 5-10 kilograms to go out the steam pressure of steam turbine, and steam turbine drives electrical power generators using the pressure differential of steam.
Steam turbine is single bearing steam turbines.
Claims (6)
1. it is a kind of to make steel, smelt iron and sintering dust separation ash fixed-end forces and utilization system, including boiler, it is characterised in that：Pot
Stove is connected with sack cleaner.
2. steel-making according to claim 1, ironmaking and sintering dust separation ash fixed-end forces and utilization system, its feature exist
In：The boiler connects turbine generating system.
3. a kind of steel-making according to claim 1, ironmaking and sintering dust separation ash fixed-end forces and method of comprehensive utilization, it is special
Levy and be：Comprise the following steps：
（1）Mixing：Dedusting ash mixes with coal dust or coke powder,
（2）Combustion reaction：Boiler is added to be burnt, burning produces the ashes of solid-state and the final dusting ash of gaseous state shape,
（3）Separate：Ashes are discharged from lower portion thereof, and ferro element etc. is stored in ashes, and the final dusting of gaseous state shape is grey from top
Into sack cleaner, zinc oxide is contained in final dusting ash；
（4）Separate zinc oxide：Dedusting ash isolates zinc oxide through sack cleaner.
4. steel-making according to claim 3, ironmaking and sintering dust separation ash fixed-end forces and method of comprehensive utilization, its feature exist
In：It is 20%-80% that dedusting ash accounts for dedusting ash with the percentage by weight of coal dust or coke powder mixture.
5. steel-making according to claim 4, ironmaking and sintering dust separation ash fixed-end forces and method of comprehensive utilization, its feature exist
In：Dedusting ash mix with coal dust grind after add boiler.
6. steel-making according to claim 3, ironmaking and sintering dust separation ash fixed-end forces and method of comprehensive utilization, its feature exist
In：In sack cleaner, temperature is cooled to 200-400 DEG C and separates and collect zinc oxide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510912975.6A CN106862231A (en) | 2015-12-11 | 2015-12-11 | Steel-making, ironmaking and sintering dust separation ash fixed-end forces and utilization system and its method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510912975.6A CN106862231A (en) | 2015-12-11 | 2015-12-11 | Steel-making, ironmaking and sintering dust separation ash fixed-end forces and utilization system and its method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106862231A true CN106862231A (en) | 2017-06-20 |
Family
ID=59238253
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510912975.6A Pending CN106862231A (en) | 2015-12-11 | 2015-12-11 | Steel-making, ironmaking and sintering dust separation ash fixed-end forces and utilization system and its method |
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| CN (1) | CN106862231A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101386913A (en) * | 2008-09-24 | 2009-03-18 | 吴道洪 | Method for recovering zinc oxide in Zn-containing dust treatment by rotary hearth furnace |
| CN101818263A (en) * | 2009-02-27 | 2010-09-01 | 鞍钢股份有限公司 | Method for reclaiming zinc-iron-containing dust and sludge |
| CN204058570U (en) * | 2014-07-02 | 2014-12-31 | 尹小林 | The change system of a kind of vanadium extraction bone coal desulphurizing roasting and cogeneration |
| CN204612504U (en) * | 2015-01-27 | 2015-09-02 | 中钢集团马鞍山矿山研究院有限公司 | A kind of flue gas cooling dust arrester installation of external-heat reduction roasting rotary kiln |
-
2015
- 2015-12-11 CN CN201510912975.6A patent/CN106862231A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101386913A (en) * | 2008-09-24 | 2009-03-18 | 吴道洪 | Method for recovering zinc oxide in Zn-containing dust treatment by rotary hearth furnace |
| CN101818263A (en) * | 2009-02-27 | 2010-09-01 | 鞍钢股份有限公司 | Method for reclaiming zinc-iron-containing dust and sludge |
| CN204058570U (en) * | 2014-07-02 | 2014-12-31 | 尹小林 | The change system of a kind of vanadium extraction bone coal desulphurizing roasting and cogeneration |
| CN204612504U (en) * | 2015-01-27 | 2015-09-02 | 中钢集团马鞍山矿山研究院有限公司 | A kind of flue gas cooling dust arrester installation of external-heat reduction roasting rotary kiln |
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| Date | Code | Title | Description |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170620 |
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| RJ01 | Rejection of invention patent application after publication |