CN109266797A - Precipitator dust reclaim utilizes system - Google Patents
Precipitator dust reclaim utilizes system Download PDFInfo
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- CN109266797A CN109266797A CN201811042889.4A CN201811042889A CN109266797A CN 109266797 A CN109266797 A CN 109266797A CN 201811042889 A CN201811042889 A CN 201811042889A CN 109266797 A CN109266797 A CN 109266797A
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- coal
- ash
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- valve
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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
-
- 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
- Y02P10/20—Recycling
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Electrostatic Separation (AREA)
Abstract
The invention discloses a kind of precipitator dust reclaims to utilize system, it includes groove tank car, coal bunker, blast furnace, nitrogen voltage regulating station and air compression station, the groove tank car is connected with ash cellar and screening system in turn, the screening system is connected separately with coal pulverizer and mixes storehouse, the coal bunker is also connected to coal pulverizer, the coal pulverizer, which is connected with, mixes storehouse, the mixing storehouse is connected with coal ash powder cabin, the coal ash powder cabin is connected separately with injection tank A and injection tank B, the nitrogen voltage regulating station is connect with injection tank A and injection tank B respectively, the blast furnace and air compression station are respectively connected with coal ash mixer, the coal ash mixer is connected separately with injection tank A and injection tank B.Precipitator dust reclaim of the invention is simple using system structure, low in cost, and stable and reliable operation, can effectively solve the professional technical problem that dedusting ash is difficult to safe utilization.
Description
Technical field
The present invention relates to the recycling fields of dedusting ash, utilize system in particular to a kind of precipitator dust reclaim.
Background technique
Since Dry Quenching Technology is at home and abroad widely applied, coke-oven plant can be collected into a large amount of removing dust of coke oven daily,
Sintering plant also generates a large amount of dedusting ash in sintering simultaneously, these dedusting ash have higher carbon content.Since country is to ring
The requirement of guarantor not only may be used these dedusting ash of collection for blast furnace blowing to rationally utilize these coking, sintering dust separation ash
To save anthracite dosage, ironmaking cost is reduced, but also the discharge of pollutant can be reduced, preferable economic effect can be obtained
Benefit.
Currently, there is following problems for the recycling of the dedusting ash of metallurgy industry:
1, during coal pulverizer is added in dedusting ash, the dedusting ash that some particles are more carefully not required to grind in dedusting ash also enters
Coal pulverizer, reduces the efficiency of coal pulverizer.
2, dedusting ash and the amount of raw coal proportion are not easy to control, and when the content of dedusting ash is higher, fuel value is relatively low, reduces
The production efficiency of blast furnace influences the stable operation of blast furnace, harder in dedusting ash along with dedusting ash mixes unevenly with raw coal
Hard particle ash is more to easily cause abrasion pipeline, if once pipeline is worn out, dedusting ash leakage easily occurs, causes environmental pollution,
Normal production is influenced, industrial accident occurs.
3, the easy generating plate ramming material of bin wall inner surface makes its feed bin volume reducing, and feed bin corrosion easily occurs, influences feed bin
Service life.
Summary of the invention
It the technical issues of reasonable utilization of the present invention in order to solve current coking, sintering dust separation ash, provides one kind and is used for
The precipitator dust reclaim of metallurgy industry utilizes system, can be used for steel industry coking, the dedusting ash that sintering generates is recycled again
It utilizes.Coarse powder after dedusting ash is sieved enters coal pulverizer together with raw coal to carry out being milled into coal ash powder, and then these are ground
At coal ash powder and dedusting ash in fine powder sprayed into blast furnace again after mixing, reduce the dosage of coke, can reduce
The cost of blast fumance improves the high efficiency of furnace, obtains preferable economic benefit.
To achieve the above object, a kind of precipitator dust reclaim provided by the invention utilize system, it include groove tank car, coal bunker,
Blast furnace, nitrogen voltage regulating station and air compression station, the groove tank car are connected with ash cellar and screening system in turn, and the screening system connects respectively
It is connected to coal pulverizer and mixes storehouse, the coal bunker is also connected to coal pulverizer, and the coal pulverizer, which is connected with, mixes storehouse, and the mixing storehouse connects
Be connected to coal ash powder cabin, the coal ash powder cabin is connected separately with injection tank A and injection tank B, the nitrogen voltage regulating station respectively with blowing
Tank A is connected with injection tank B, and the blast furnace and air compression station are respectively connected with coal ash mixer, and the coal ash mixer is connected separately with
Injection tank A and injection tank B.
Further, groove tank car outlet valve, fast joint, ash cellar inlet valve are connected between the groove tank car and ash cellar in turn
It charges valve with ash cellar, grey silometer is provided on the ash cellar outer wall, is provided with ash cellar vibrator, institute on the ash cellar inner wall
It states and is provided with coal bunker level-sensing device on coal bunker outer wall, be provided with coal bunker vibrator on the coal bunker inner wall.
Still further, being disposed with ash cellar baiting valve, screening charging valve between the ash cellar and screening system and removing
Dust flowmeter is disposed with coal bunker baiting valve, coal pulverizer inlet valve and raw coal flowmeter between the coal bunker and coal pulverizer.
Still further, being disposed with dedusting ash fine ash baiting valve between the screening system and mixing storehouse and mixing storehouse
Fine ash inlet valve is disposed with dedusting ash cinder baiting valve and the charging of coal pulverizer cinder between the screening system and coal pulverizer
Valve；It is connected with coal pulverizer mixed powder outlet valve between the coal pulverizer and mixing storehouse in turn and mixes storehouse inlet valve.
Still further, be connected in turn between the mixing storehouse and coal ash powder cabin mix warehouse discharging valve and coal ash powder cabin into
Expect valve, is provided with coal ash powder silometer on the coal ash powder cabin outer wall, is provided with coal ash powder cabin on the coal ash powder cabin inner wall
Vibrator,
Still further, being provided with coal ash powder warehouse discharging valve and injection tank A charging between the coal ash powder cabin and injection tank A
Valve is provided with coal ash powder warehouse discharging valve and injection tank B inlet valve between the coal ash powder cabin and injection tank B.
Still further, being provided with injection tank A level-sensing device on the injection tank A outer wall, it is arranged on the injection tank A inner wall
There is injection tank A vibrator；It is provided with injection tank B level-sensing device on the injection tank B outer wall, is provided on the injection tank B inner wall
Injection tank B vibrator.
Still further, be disposed between the nitrogen voltage regulating station and injection tank A gas station air outlet valve and injection tank A into
Air valve is disposed with gas station air outlet valve and injection tank B intake valve between the nitrogen voltage regulating station and injection tank B.
Still further, being disposed with injection tank A outlet valve and coal powder injection ash between the injection tank A and coal ash mixer
Valve is disposed with injection tank B outlet valve and coal powder injection ash valve between the injection tank B and coal ash mixer.
Still further, being provided with gas valve between the air compression station and coal ash mixer；The blast furnace is mixed with coal ash
Distributor is provided between device.
The principle of the present invention
The present invention keeps the ratio of dedusting ash and raw coal reasonable, and the ratio of dedusting ash is lower, can satisfy the efficiency of blast furnace,
Ensure the stable operation of blast furnace, while can be to avoid the abrasion to conveyance conduit.Wherein there is level-sensing device can be at any time in feed bin
The case where expecting in feed bin is grasped, continuous production is not influenced.It is also equipped with vibrator in feed bin, material is made not to be bonded in table in feed bin
The volume of feed bin is improved in face, reduces the corrosion to bin wall, and extend feed bin uses the longevity
The beneficial effects of the present invention are:
Precipitator dust reclaim of the invention is simple using system structure, low in cost, and stable and reliable operation, can effectively solve
Dedusting ash is difficult to the professional technical problem of safe utilization.The outlet of dedusting ash cellar, run coal bin outlet are designed with flowmeter, supervise in real time
The flow of observing and controlling system its dedusting ash, raw coal.The content of general dedusting ash is 10~20%, and the content of raw coal is 80~90%, is protected
Demonstrate,prove the rational proportion of its dedusting ash and raw coal, guarantee that blast furnace is normally kept the safety in production, it is ensured that blast fumance it is efficient.Then it carries out
The dedusting ash for not needing to carry out grinding powdery that meets the requirements of relatively fine particle is sent directly into mixing storehouse by the screening of dedusting ash,
The dedusting ash of larger particles is sent into coal pulverizer and carries out being milled into the fine ash to meet the requirements.It can rationally be ground, be improved in this way
The efficiency of coal pulverizer.Thick dedusting ash and raw coal are milled into the duff ashes met the requirements by coal pulverizer and all convey after screening
It is uniformly mixed to storehouse is mixed.And the proportion of the fine powder of dedusting ash and raw coal is reasonable, avoids the mill to conveyance conduit
Damage, extends the service life of pipeline.Vibrator is installed in the side wall of feed bin, prevents hardened material occur in feed bin inner surface,
The volume for reducing feed bin, avoids the corrosion to feed bin, extends the service life of feed bin, it is ensured that the safe and reasonable of dedusting ash is sharp again
With guaranteeing the safety in production of blast furnace, can obtain better economic benefits.
Detailed description of the invention
Fig. 1 is the schematic diagram that precipitator dust reclaim of the present invention utilizes system；
In figure, 1- ash silometer, 2- ash cellar charging valve, 3- ash cellar, 4- ash cellar vibrator, 5- coal bunker level-sensing device, 6- coal
Storehouse, 7- coal bunker vibrator, 8- ash cellar baiting valve, 9- screening charging valve, 10- dedusting ash flowmeter, 11- screening system, 12- coal bunker
Baiting valve, 13- coal pulverizer inlet valve, 14- dedusting ash fine ash baiting valve, 15- dedusting ash cinder baiting valve, 16- coal pulverizer cinder
Inlet valve, 17- raw coal flowmeter, 18- mix storehouse fine ash inlet valve, 19- coal pulverizer, 20- coal pulverizer mixed powder outlet valve, 21-
Mix storehouse inlet valve, 22- mix storehouse, 23- mix warehouse discharging valve, 24- coal ash powder cabin inlet valve, 25- coal ash powder silometer,
26- coal ash powder cabin, 27- coal ash powder cabin vibrator, 28- blast furnace, 29- distributor, 30- gas station air outlet valve, 31- injection tank A air inlet
Valve, 32- injection tank A level-sensing device, 33- injection tank A, 34- coal ash powder warehouse discharging valve, 35- injection tank A inlet valve, 36- injection tank B,
37- injection tank B level-sensing device, 38- injection tank B intake valve, 39- coal ash powder warehouse discharging valve, 40- injection tank B inlet valve, 41- blowing
Tank B vibrator, 42- nitrogen voltage regulating station, 43- gas station air outlet valve, 46- injection tank A vibrator, 47- injection tank B outlet valve, 48- spray
Coal ash valve, 49- air compression station, 50- gas valve, 51- coal ash mixer, 52- groove tank car, 53- groove tank car outlet valve, 54- fast joint,
55- ash cellar inlet valve.
Specific embodiment
In order to better explain the present invention, below in conjunction with the specific embodiment main contents that the present invention is furture elucidated, but
The contents of the present invention are not limited solely to following embodiment.
Precipitator dust reclaim as shown in Figure 1 utilizes system, it includes groove tank car 52, coal bunker 6, blast furnace 28, nitrogen voltage regulating station
42 and air compression station 49, coal bunker level-sensing device 5 is provided on 6 outer wall of coal bunker, is provided with coal bunker vibrator 7 on 6 inner wall of coal bunker；
Groove tank car 52 is connected with ash cellar 3 and screening system 11 in turn, is connected with groove tank in turn between groove tank car 52 and ash cellar 3
Vehicle outlet valve 53, fast joint 54, ash cellar inlet valve 55 and ash cellar charge valve 2, and grey silometer 1, ash are provided on 3 outer wall of ash cellar
It is provided with ash cellar vibrator 4 on 3 inner wall of storehouse, ash cellar baiting valve 8, screening dress are disposed between ash cellar 3 and screening system 11
Expect valve 9 and dedusting ash flowmeter 10,
Screening system 11 is connected separately with coal pulverizer 19 and mixes storehouse 22, successively sets between screening system 11 and mixing storehouse 22
It is equipped with dedusting ash fine ash baiting valve 14 and mixes storehouse fine ash inlet valve 18, be disposed between screening system 11 and coal pulverizer 19
Dedusting ash cinder baiting valve 15 and coal pulverizer cinder inlet valve 16；
Coal bunker 6 is also connected to coal pulverizer 19, and coal bunker baiting valve 12, coal-grinding are disposed between coal bunker 6 and coal pulverizer 19
Machine inlet valve 13 and raw coal flowmeter 17；Coal pulverizer 19, which is connected with, mixes storehouse 22, successively connects between coal pulverizer 19 and mixing storehouse 22
It is connected to coal pulverizer mixed powder outlet valve 20 and mixes storehouse inlet valve 21.Mix storehouse 22 and be connected with coal ash powder cabin 26, mix storehouse 22 with
It is connected in turn between coal ash powder cabin 26 and mixes warehouse discharging valve 23 and coal ash powder cabin inlet valve 24, be arranged on 26 outer wall of coal ash powder cabin
There is coal ash powder silometer 25, coal ash powder cabin vibrator 27 be provided on 26 inner wall of coal ash powder cabin,
Coal ash powder cabin 26 is connected separately with injection tank A33 and injection tank B36, is provided with injection tank A on injection tank A33 outer wall
Level-sensing device 32 is provided with injection tank A vibrator 46 on injection tank A33 inner wall；Injection tank B material is provided on injection tank B36 outer wall
Position counts 37, is provided with injection tank B vibrator 41 on injection tank B36 inner wall；Coal is provided between coal ash powder cabin 26 and injection tank A33
Ashes warehouse discharging valve 34 and injection tank A inlet valve 35, are provided with coal ash powder warehouse discharging valve between coal ash powder cabin 26 and injection tank B36
39 and injection tank B inlet valve 40.
Nitrogen voltage regulating station 42 is connect with injection tank A33 and injection tank B36 respectively, nitrogen voltage regulating station 42 and injection tank A33 it
Between be disposed with gas station air outlet valve 30 and injection tank A intake valve 31, set gradually between nitrogen voltage regulating station 42 and injection tank B36
There are gas station air outlet valve 43 and injection tank B intake valve 38；
Blast furnace 28 and air compression station 49 are respectively connected with coal ash mixer 51, are provided between air compression station 49 and coal ash mixer 51
Gas valve 50；Distributor 29 is provided between blast furnace 28 and coal ash mixer 51；
Coal ash mixer 51 is connected separately with injection tank A33 and injection tank B36；Injection tank A33 and coal ash mixer 51 it
Between be disposed with injection tank A outlet valve 44 and coal powder injection ash valve 45, be disposed between injection tank B36 and coal ash mixer 51
Injection tank B outlet valve 47 and coal powder injection ash valve 48.
Above-mentioned precipitator dust reclaim is as follows using the specific implementation of system:
1) dedusting ash of groove tank car 52 is by groove tank car outlet valve 53, fast joint 54, ash cellar inlet valve 55, ash cellar charging valve
2 enter in ash cellar 3, and then dedusting ash is entered in screening system 11 by ash cellar baiting valve 8, screening charging valve 9 through being sieved
Choosing isolates thin dedusting ash and enters by dedusting ash fine ash baiting valve 14, mixing storehouse fine ash inlet valve 18 and mix storehouse 22；
2) raw coal supplied materials enters coal bunker 6, and the coal in coal bunker 6 passes through coal bunker baiting valve 12, coal pulverizer inlet valve 13, entrance
Coal pulverizer 19 passes through coal pulverizer mixed powder outlet valve after thick dedusting ash and raw coal are milled into fine powder by coal pulverizer 19
20, it mixes storehouse inlet valve 21 and enters mixing storehouse 22；
3) it mixes storehouse 22 no fine powder by grinding and rough dedusting ash are milled into fine powder with raw coal and are uniformly mixed
After conjunction, by mixing warehouse discharging valve 23, coal ash powder cabin inlet valve 24 enters coal ash powder cabin 26, and coal ash powder is gone out by coal ash powder cabin
Material valve 34 and injection tank A inlet valve 35 and coal ash powder warehouse discharging valve 39 and injection tank B inlet valve 40 have respectively entered injection tank A
33, in injection tank B36,
4) nitrogen in nitrogen voltage regulating station 42 as conveying coal ash powder power, by gas station air outlet valve 30, injection tank A into
Air valve 31 enters injection tank A 33,33 coal ash powder of injection tank A under the conveying of nitrogen power by injection tank A outlet valve 44,
Heat energy, the gas valve 50 of the hot-air of coal powder injection ash valve 45 and air compression station 49 enter coal ash mixer 51, distributor 29, blast furnace
28；
5) nitrogen in nitrogen voltage regulating station 42 as conveying coal ash powder power, by gas station air outlet valve 43, injection tank B into
Air valve 38 enters injection tank B36, injection tank B36 coal ash powder under the conveying of nitrogen power by injection tank B36 outlet valve 47,
Heat energy, the gas valve 50 of the hot-air of coal powder injection ash valve 48 and air compression station 49 enter coal ash mixer 51, distributor 29, blast furnace
28；
Other unspecified parts are the prior art.Although above-described embodiment is made that the present invention and retouches in detail
State, but it is only a part of the embodiment of the present invention, rather than whole embodiments, people can also according to the present embodiment without
Other embodiments are obtained under the premise of creativeness, these embodiments belong to the scope of the present invention.
Claims (10)
1. a kind of precipitator dust reclaim utilizes system, it is characterised in that: it includes groove tank car (52), coal bunker (6), blast furnace (28), nitrogen
Gas voltage regulating station (42) and air compression station (49), the groove tank car (52) are connected with ash cellar (3) and screening system (11), the sieve in turn
Subsystem (11) is connected separately with coal pulverizer (19) and mixes storehouse (22), and the coal bunker (6) is also connected to coal pulverizer (19), described
Coal pulverizer (19), which is connected with, mixes storehouse (22), and the mixing storehouse (22) is connected with coal ash powder cabin (26), the coal ash powder cabin (26)
Be connected separately with injection tank A (33) and injection tank B (36), the nitrogen voltage regulating station (42) respectively with injection tank A (33) and blowing
Tank B (36) connection, the blast furnace (28) and air compression station (49) are respectively connected with coal ash mixer (51), the coal ash mixer (51)
It is connected separately with injection tank A (33) and injection tank B (36).
2. precipitator dust reclaim utilizes system according to claim 1, it is characterised in that: the groove tank car (52) and ash cellar (3)
Between be connected in turn groove tank car outlet valve (53), fast joint (54), ash cellar inlet valve (55) and ash cellar charging valve (2), it is described
It is provided with grey silometer (1) on ash cellar (3) outer wall, is provided with ash cellar vibrator (4), the coal on the ash cellar (3) inner wall
It is provided with coal bunker level-sensing device (5) on storehouse (6) outer wall, is provided with coal bunker vibrator (7) on coal bunker (6) inner wall.
3. precipitator dust reclaim utilizes system according to claim 2, it is characterised in that: the ash cellar (3) and screening system
(11) be disposed with ash cellar baiting valve (8), screening charging valve (9) and dedusting ash flowmeter (10) between, the coal bunker (6) and
Coal bunker baiting valve (12), coal pulverizer inlet valve (13) and raw coal flowmeter (17) are disposed between coal pulverizer (19).
4. precipitator dust reclaim utilizes system according to claim 3, it is characterised in that: the screening system (11) and mixing storehouse
(22) it is disposed with dedusting ash fine ash baiting valve (14) between and mixes storehouse fine ash inlet valve (18), the screening system (11)
Dedusting ash cinder baiting valve (15) and coal pulverizer cinder inlet valve (16) are disposed between coal pulverizer (19)；The coal-grinding
It is connected with coal pulverizer mixed powder outlet valve (20) between machine (19) and mixing storehouse (22) in turn and mixes storehouse inlet valve (21).
5. precipitator dust reclaim utilizes system according to claim 1, it is characterised in that: the mixing storehouse (22) and coal ash powder cabin
(26) it is connected in turn between and mixes warehouse discharging valve (23) and coal ash powder cabin inlet valve (24), on coal ash powder cabin (26) outer wall
It is provided with coal ash powder silometer (25), is provided with coal ash powder cabin vibrator (27) on coal ash powder cabin (26) inner wall.
6. precipitator dust reclaim utilizes system according to claim 5, it is characterised in that: the coal ash powder cabin (26) and injection tank
Coal ash powder warehouse discharging valve (34) and injection tank A inlet valve (35), the coal ash powder cabin (26) and injection tank are provided between A (33)
Coal ash powder warehouse discharging valve (39) and injection tank B inlet valve (40) are provided between B (36).
7. precipitator dust reclaim utilizes system according to claim 6, it is characterised in that: set on injection tank A (33) outer wall
It is equipped with injection tank A level-sensing device (32), is provided with injection tank A vibrator (46) on injection tank A (33) inner wall；The injection tank
It is provided with injection tank B level-sensing device (37) on B (36) outer wall, is provided with injection tank B vibrator on injection tank B (36) inner wall
(41)。
8. precipitator dust reclaim utilizes system according to claim 7, it is characterised in that: the nitrogen voltage regulating station (42) and blowing
Gas station air outlet valve (30) and injection tank A intake valve (31), the nitrogen voltage regulating station (42) and spray are disposed between tank A (33)
It blows and is disposed with gas station air outlet valve (43) and injection tank B intake valve (38) between tank B (36).
9. precipitator dust reclaim utilizes system according to claim 7, it is characterised in that: the injection tank A (33) and coal ash are mixed
Injection tank A outlet valve (44) and coal powder injection ash valve (45) are disposed between clutch (51), the injection tank B (36) and coal ash are mixed
Injection tank B outlet valve (47) and coal powder injection ash valve (48) are disposed between clutch (51).
10. precipitator dust reclaim utilizes system according to claim 1, it is characterised in that: the air compression station (49) and coal ash are mixed
Gas valve (50) are provided between clutch (51)；Distributor is provided between the blast furnace (28) and coal ash mixer (51)
(29)。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811042889.4A CN109266797A (en) | 2018-09-07 | 2018-09-07 | Precipitator dust reclaim utilizes system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811042889.4A CN109266797A (en) | 2018-09-07 | 2018-09-07 | Precipitator dust reclaim utilizes system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109266797A true CN109266797A (en) | 2019-01-25 |
Family
ID=65188709
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811042889.4A Pending CN109266797A (en) | 2018-09-07 | 2018-09-07 | Precipitator dust reclaim utilizes system |
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| Country | Link |
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| CN (1) | CN109266797A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114849506A (en) * | 2022-06-07 | 2022-08-05 | 重庆钢铁股份有限公司 | Mixing system and method for coking fly ash and coal powder |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201485071U (en) * | 2009-09-04 | 2010-05-26 | 上海梅山钢铁股份有限公司 | Pneumatic ash conveying system for blast furnace gas by dry dedusting method |
| 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 |
| CN108300824A (en) * | 2018-02-06 | 2018-07-20 | 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 and technique |
-
2018
- 2018-09-07 CN CN201811042889.4A patent/CN109266797A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201485071U (en) * | 2009-09-04 | 2010-05-26 | 上海梅山钢铁股份有限公司 | Pneumatic ash conveying system for blast furnace gas by dry dedusting method |
| 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 |
| CN108300824A (en) * | 2018-02-06 | 2018-07-20 | 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 and technique |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114849506A (en) * | 2022-06-07 | 2022-08-05 | 重庆钢铁股份有限公司 | Mixing system and method for coking fly ash and coal powder |
| CN114849506B (en) * | 2022-06-07 | 2023-10-31 | 重庆钢铁股份有限公司 | Coking dust and coal powder mixing system and method |
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Application publication date: 20190125 |