CN108300824A - A kind of coking dedusting ash coke powder blast furnace blowing synergy utilizes system and technique - Google Patents
A kind of coking dedusting ash coke powder blast furnace blowing synergy utilizes system and technique Download PDFInfo
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- CN108300824A CN108300824A CN201810116207.3A CN201810116207A CN108300824A CN 108300824 A CN108300824 A CN 108300824A CN 201810116207 A CN201810116207 A CN 201810116207A CN 108300824 A CN108300824 A CN 108300824A
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- powder
- coke powder
- blast furnace
- dedusting ash
- grinding machine
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B5/00—Making pig-iron in the blast furnace
- C21B5/001—Injecting additional fuel or reducing agents
- C21B5/003—Injection of pulverulent coal
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- Manufacturing & Machinery (AREA)
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- Metallurgy (AREA)
- Organic Chemistry (AREA)
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Abstract
The invention discloses a kind of coking dedusting ash coke powder blast furnace blowing synergy to utilize system and technique, coke powder is transported to and concentrates powder cabin inlet by hermetically sealed suction tank car, powder cabin exit is concentrated to be connected respectively with cone pump one end by conveyance conduit, the cone pump other end is connected with conveyance conduit respectively, cone pump conveyance conduit all divides switching valve and the top of single or multiple surge bunkers to be connected, the exit of surge bunker is connected by frequency conversion type soft-sealed unloading valve with one end of dispenser respectively, the other end of dispenser is connected with grinding machine, and grinding machine is connected with blast furnace.Step is：Dedusting ash or coke powder are transported to by hermetically sealed suction tank car to be concentrated in powder cabin, coke powder is discharged into out of concentration powder cabin bottom cone pump conveying surge bunker, then by speed governing rotation unloading valve in dispenser, and coke powder, which enters in grinding machine, to be reformed, enter blast furnace together with coal dust again, completes coke powder transport process.Energy conservation and environmental protection of the present invention.
Description
Technical field
The present invention relates to a kind of coking dedusting ash coke powder blast furnace blowing synergy to utilize system and technique.
Background technology
With the enhancing that the environmental protection and energy saving of people are realized, enterprises all are making great efforts to exploit potentialities, waste utilization, including contain
The dedusting ash that charcoal amount is high, iron-holder is high, which again returns to, carries out deep exploitation in blast furnace, valuable thing is eaten dry squeeze only.But
In actual implementation, often things turn out contrary to one's wishes, is all much with a part, spreads a part on the way, seriously pollutes environment, some, which utilizes, to be needed
More energy consumptions are consumed, some even directly affects the output of grinding machine powder
Coking earth station dedusting ash, because its phosphorus content is close to anthracite, nodeless mesh water, epigranular and small, therefore with very
High economic value.Due at most hundreds of tons of daily dedusting ash quantity, some enterprises inexpensively sell outward as rubbish, transportational process
It is middle to generate serious secondary pollution；Some enterprises digest in inner utilization, but due to not having mature technology, substantially spread one with half
Half, serious secondary pollution is not only caused, but also utilize high energy consumption, is negative benefit.
Invention content
To solve the above-mentioned problems, a kind of coking dedusting ash coke powder blast furnace blowing synergy of present invention offer utilizes system and work
Skill.
The technical scheme is that：A kind of coking dedusting ash coke powder blast furnace blowing synergy utilizes system, including hermetically sealed
Suction tank car concentrates powder cabin, cone pump, surge bunker, dispenser, grinding machine, blast furnace, and it includes concentrating powder cabin I and concentration to concentrate powder cabin
Powder cabin II, cone pump include cone pump I and cone pump II, and coke powder is transported to and concentrates powder cabin I and concentration by hermetically sealed suction tank car
The inlet powder cabin II concentrates powder cabin I and the exit of powder cabin II is concentrated to pass through conveyance conduit and cone pump I and storehouse formula respectively
One end of pump II is connected, and cone pump I is connected with conveyance conduit respectively with the other end of cone pump II, cone pump I and storehouse formula
The conveyance conduit of pump II all divides single channel or multichannel to be connected simultaneously with the top of single or multiple surge bunkers by switching valve respectively, delays
The exit for rushing storehouse is connected by frequency conversion type soft-sealed unloading valve with one end of dispenser respectively, the other end and mill of dispenser
Machine is connected, and grinding machine is connected with blast furnace.
Further, conveyance conduit is equipped with anti-blocking design and the configuration of anti-blocking auxiliary blowing apparatus, pipeline is wear-resisting and elbow threeway in
Serve as a contrast ceramic wear-resisting processing, gas-particle two-phase media technology parameter designing.
Further, the top material feeding of surge bunker, top vent use bag type filtering, top to be equipped with environment-friendly type exhaust gas filter
Device, the monitoring parameters such as organic gas and temperature, overload alarm and automatic nitrogen fire-fighting.
Further, coke powder cinder-discharging port is equipped in dispenser.
Further, a set of or two sets of concentration powder cabins can be 1 set or more set surge bunker feedings.
A kind of technique that the blast furnace blowing synergy of coking dedusting ash coke powder utilizes, includes the following steps：
1）The dedusting ash or coke powder for being derived from the dedusting of earth station of coke-oven plant and CDQ Emission Control System are transported to by hermetically sealed suction tank car
In the newly-built special concentration powder cabin in pulverized coal preparation station；
2）The cone pump that dedusting ash or coke powder are newly set from concentration powder cabin bottom is delivered to new by pulverized coal preparation station by conveyance conduit
In mating metering-type surge bunker；
3）Coke powder is brought into feed by dedusting ash or coke powder by the negative pressure of coke powder cinder-discharging port by frequency conversion type soft-sealed unloading valve
In device；
4）Dedusting ash or coke powder, which are brought into dispenser negative pressure in grinding machine, to be reformed, wherein have 90% coke powder grinding machine top with
Hot cigarette is directly carried out grinding machine together with the coal dust for preparing qualification, and remaining coke powder enters blast furnace together with coal dust again.
A kind of technique that the blast furnace blowing synergy of coking dedusting ash coke powder utilizes, dedusting ash, coke powder blast-furnace coal powder injection substitute
For part coal dust as blast furnace reducing agent, the powder amount of the coke powder incorporation grinding machine is the 10% of grinding machine powder amount.
The beneficial effects of the invention are as follows：Enterprises digest dedusting ash coke powder, full factory's carbon emission amount are reduced, by pulverized coke instead
Part coal dust is used for breeze blowing, and as blast furnace reducing agent, energy consumption is minimum, is highest utility value, while preventing coke powder two
Secondary dust pollution.Surge bunker discharging unloads ash and uses frequency conversion soft seal star-shaped dust-discharging valve and raw coal dispenser negative pressure gas to dispenser
The combination of stream, emptying point do not generate dust leakage；Since raw coal dispenser uses full-sealing negative pressure environment, emptying point
Dust leakage is not generated, system is that totally-enclosed dry method conveys coke powder technique, energy conservation and environmental protection；Coke powder energy quantitative accurate uniformly mixes coal
Grinding system does not influence the powder ability processed of grinding machine, does not destroy grinding machine operating condition, including its thermal balance and pressure balance；System is adopted
It is controlled and is managed with full-automatic intelligent；Equipped with indispensable safety measure；Equipment and technology maturation, failure rate, long lifespan；Post powder
Dust concentration<5mg/m3, exhaust emissions concentration<5mg/m3；Dedusting coke powder is used for blast furnace blowing, increases economic benefit 95.89%.
Description of the drawings
Fig. 1 is the structural diagram of the present invention.
Wherein：1, hermetically sealed suction tank car, 2, concentrate powder cabin I, 3, concentrate powder cabin II, 4, cone pump I, 5, cone pump II,
6, grinding machine, 7, blast furnace, 8, conveyance conduit, 9, switching valve, 10, surge bunker, 11, frequency conversion type soft-sealed unloading valve, 12, dispenser.
Specific implementation mode
A kind of coking dedusting ash coke powder blast furnace blowing synergy utilizes system, including hermetically sealed suction tank car 1, concentrate powder cabin,
Cone pump, surge bunker, dispenser, grinding machine, blast furnace, it includes concentrating powder cabin I 2 and concentration powder cabin II 3, cone pump packet to concentrate powder cabin
Cone pump I 4 and cone pump II 5 are included, coke powder is transported to by hermetically sealed suction tank car 1 and concentrates powder cabin I 2 and concentration powder cabin
3 inlet II concentrates powder cabin I 2 and the exit of powder cabin II 3 is concentrated to pass through conveyance conduit and cone pump I 4 and storehouse formula respectively
One end of pump II 5 is connected, and cone pump I 4 is connected with conveyance conduit 8 respectively with the other end of cone pump II 5, cone pump I
The conveyance conduit 8 of 4 and cone pump II 5 all divides single channel or multichannel respectively simultaneously by switching valve 9 and single or multiple surge bunkers
10 top is connected, and the control of switching valve 9 can be to any one 10 powder feeding of surge bunker, and the exit of surge bunker 10 passes through frequency conversion respectively
Formula soft-sealed unloading valve 11 is connected with one end of dispenser 12, and frequency conversion type soft-sealed unloading valve 11 unloads powder flow and is adjusted, and unloads
Powder speed is uniform, and coke powder cinder-discharging port is equipped in dispenser 12, and the other end of dispenser is connected with grinding machine 13, grinding machine 6 and blast furnace 7
It is connected.
Conveyance conduit 8 is equipped with anti-blocking design and the configuration of anti-blocking auxiliary blowing apparatus, and pipeline is wear-resisting and elbow threeway lined ceramics are resistance to
Mill processing, gas-particle two-phase media technology parameter designing.
The top material feeding of surge bunker 10, top vent use bag type filtering, no dust leakage, top to be vented equipped with environment-friendly type
Filter device, the monitoring parameters such as organic gas and temperature, overload alarm and automatic nitrogen fire-fighting.
According to the coke powder needs of surge bunker, can two cone pump the using and the reserved, two cone pumps are used alternatingly, can also
Defeated powder simultaneously, two cone pumps constitute two defeated powder units, and every ash-transmission system is docked with four sets of surge bunkers, by operated pneumatic valve
Control can be to any one surge bunker powder feeding.
It can be 1 set or more set 10 feedings of surge bunker that a set of or two sets of concentrations, which concentrate powder cabin,.
A kind of technique that the blast furnace blowing synergy of coking dedusting ash coke powder utilizes, includes the following steps：
1）The dedusting ash or coke powder for being derived from the dedusting of earth station of coke-oven plant and CDQ Emission Control System are transported to by hermetically sealed suction tank car 1
In the newly-built special concentration powder cabin in pulverized coal preparation station；
2）The cone pump that dedusting ash or coke powder are newly set from concentration powder cabin bottom is sent new to pulverized coal preparation station side by conveyance conduit defeated 8
In mating metering-type surge bunker 10；
3）By frequency conversion type soft-sealed unloading valve 11 by dedusting ash or coke powder by the negative pressure of coke powder cinder-discharging port by coke powder bring into
In glassware 12；
4）Dedusting ash or coke powder, which are brought into dispenser negative pressure in grinding machine 6, to be reformed, wherein having 90% coke powder on 6 top of grinding machine
It is directly carried out grinding machine 6 together with the coal dust for preparing qualification with hot cigarette, remaining coke powder enters blast furnace 7 together with coal dust again.
A kind of technique that the blast furnace blowing synergy of coking dedusting ash coke powder utilizes, dedusting ash, coke powder blast-furnace coal powder injection substitute
For part coal dust as blast furnace reducing agent, the powder amount of the coke powder incorporation grinding machine is the 10% of grinding machine powder amount.
Claims (6)
1. a kind of coking dedusting ash coke powder blast furnace blowing synergy utilizes system, it is characterised in that：Including hermetically sealed suction tank car, collection
Middle powder cabin, cone pump, surge bunker, dispenser, grinding machine, blast furnace, the concentration powder cabin include concentrating powder cabin I and concentration powder cabin II,
The cone pump includes cone pump I and cone pump II, and coke powder is transported to and concentrates powder cabin I and concentration by the hermetically sealed suction tank car
The inlet powder cabin II, it is described to concentrate powder cabin I and the exit of powder cabin II is concentrated to pass through conveyance conduit and cone pump I and storehouse formula respectively
One end of pump II is connected, and the cone pump I is connected with conveyance conduit respectively with the other end of cone pump II, the cone pump
The conveyance conduit of I and cone pump II all divide single channel or multichannel respectively simultaneously by the top of switching valve and single or multiple surge bunkers
It is connected, the exit of the surge bunker is connected by frequency conversion type soft-sealed unloading valve with one end of dispenser respectively, described to give
The other end of glassware is connected with grinding machine, and the grinding machine is connected with blast furnace.
2. a kind of coking dedusting ash coke powder blast furnace blowing synergy according to claim 1 utilizes system, it is characterised in that：Institute
It states and is equipped with coke powder cinder-discharging port in dispenser.
3. a kind of coking dedusting ash coke powder blast furnace blowing synergy according to claim 1 utilizes system, it is characterised in that：Institute
It can be 1 set or more set surge bunker feedings to state a set of or two sets of concentration powder cabins.
4. a kind of coking dedusting ash coke powder blast furnace blowing synergy according to claim 1 utilizes system, it is characterised in that：Institute
Switching valve is stated to control to any one surge bunker powder feeding.
5. the technique that a kind of coking dedusting ash coke powder blast furnace blowing synergy according to claim 1 utilizes, it is characterised in that：
Include the following steps：
1）The dedusting ash or coke powder for being derived from the dedusting of earth station of coke-oven plant and CDQ Emission Control System are transported to by hermetically sealed suction tank car
In the newly-built special concentration powder cabin in pulverized coal preparation station；
2）The cone pump that dedusting ash or coke powder are newly set from concentration powder cabin bottom is delivered to new by pulverized coal preparation station by conveyance conduit
In mating metering-type surge bunker；
3）Coke powder is brought into feed by dedusting ash or coke powder by the negative pressure of coke powder cinder-discharging port by frequency conversion type soft-sealed unloading valve
In device；
4）Dedusting ash or coke powder, which are brought into dispenser negative pressure in grinding machine, to be reformed, wherein have 90% coke powder grinding machine top with
Hot cigarette is directly carried out grinding machine together with the coal dust for preparing qualification, and remaining coke powder enters blast furnace together with coal dust again.
6. the technique that a kind of coking dedusting ash coke powder blast furnace blowing synergy according to claim 5 utilizes, it is characterised in that：
The dedusting ash, coke powder blast-furnace coal powder injection substitute part coal dust as blast furnace reducing agent, the powder amount of the coke powder incorporation grinding machine
It is the 10% of grinding machine powder amount.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810116207.3A CN108300824A (en) | 2018-02-06 | 2018-02-06 | A kind of coking dedusting ash coke powder blast furnace blowing synergy utilizes system and technique |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810116207.3A CN108300824A (en) | 2018-02-06 | 2018-02-06 | A kind of coking dedusting ash coke powder blast furnace blowing synergy utilizes system and technique |
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| CN108300824A true CN108300824A (en) | 2018-07-20 |
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| CN201810116207.3A Pending CN108300824A (en) | 2018-02-06 | 2018-02-06 | A kind of coking dedusting ash coke powder blast furnace blowing synergy utilizes system and technique |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109266797A (en) * | 2018-09-07 | 2019-01-25 | 武汉钢铁有限公司 | Precipitator dust reclaim utilizes system |
| CN109516214A (en) * | 2018-11-30 | 2019-03-26 | 西安铂力特增材技术股份有限公司 | The powder automatic conveying device of SLM device |
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| CN102502262A (en) * | 2011-10-24 | 2012-06-20 | 马钢(集团)控股有限公司 | Pneumatic transmission and blast furnace injection technology and system for removing dust of coke oven |
| CN102633122A (en) * | 2012-03-31 | 2012-08-15 | 马钢(集团)控股有限公司 | Pneumatic conveying and blast furnace injecting device for coke oven dust-removing ash and using method thereof |
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2018
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Patent Citations (4)
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| CN102502262A (en) * | 2011-10-24 | 2012-06-20 | 马钢(集团)控股有限公司 | Pneumatic transmission and blast furnace injection technology and system for removing dust of coke oven |
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| CN103555871A (en) * | 2013-10-14 | 2014-02-05 | 鞍钢股份有限公司 | Coke powder and coal blending technology and device |
| CN208501022U (en) * | 2018-02-06 | 2019-02-15 | 南通东来冶金装备有限公司 | A kind of coking dedusting ash coke powder blast furnace blowing synergy utilizes system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109266797A (en) * | 2018-09-07 | 2019-01-25 | 武汉钢铁有限公司 | Precipitator dust reclaim utilizes system |
| CN109516214A (en) * | 2018-11-30 | 2019-03-26 | 西安铂力特增材技术股份有限公司 | The powder automatic conveying device of SLM device |
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