CN208980651U - A kind of totally-enclosed centralized collection of coke oven smoke and processing unit - Google Patents
A kind of totally-enclosed centralized collection of coke oven smoke and processing unit Download PDFInfo
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- CN208980651U CN208980651U CN201821594839.2U CN201821594839U CN208980651U CN 208980651 U CN208980651 U CN 208980651U CN 201821594839 U CN201821594839 U CN 201821594839U CN 208980651 U CN208980651 U CN 208980651U
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- flue dust
- coke
- coke oven
- dust collecting
- collecting pipe
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Abstract
The utility model relates to a kind of totally-enclosed centralized collection of coke oven smoke and processing units, including fully closed flue dust collecting cover and flue dust collecting pipe network；In coke oven and its affiliated facility are all enclosed in by flue dust collecting cover, flue dust collecting pipe network is set at the top of flue dust collecting cover, flue dust collecting pipe network includes that furnace roof coal-charging smoke collecting pipe, pusher side coke-pusher smoke collecting pipe, coke side discharge of the coke flue dust collecting pipe and flue dust collecting supervisor；Furnace roof coal-charging smoke collecting pipe, pusher side coke-pusher smoke collecting pipe and coke side discharge of the coke flue dust collecting pipe be separately connected flue dust collecting supervisor, flue dust collecting supervisor by flue dust conveyance conduit connection outside dust pelletizing system.The centralized collection and processing of paroxysmal flue dust when the utility model is realized to coke oven loss flue dust and operation, while mating perfect safety devices, guarantee it is totally-enclosed after coke oven safe operation.
Description
Technical field
The utility model relates to coke oven dust technical field more particularly to a kind of totally-enclosed centralized collection of coke oven smoke and places
Manage device.
Background technique
Coking industry is the important industry to concern the life-blood of the national economy, is quickly grown in recent years, but coking production is brought
Serious problem of environmental pollution is also outstanding day by day.During coke oven production, coaling, coke pushing, the production links such as discharge of the coke can be to big
A large amount of paroxysmal flue dust are discharged in gas；Fire door, furnace roof coaling the positions such as hole, peephole also can loss uncontrollable discharge flue dust.Cigarette
Include the coal gas and a large amount of dust of tar-like substance in dirt, significant damage is caused to surrounding enviroment.
At present in coking production, to coaling, coke pushing, discharge of the coke and operate when the flue dust that discharges can be by coke over machinery, burner
Fume collecting device etc. cooperates corresponding dust main pipe to be collected, and is then sent through corresponding dedusting earth station and is handled, but to ease
Dissipating flue dust, there is no good control means.Continuous improvement with country to environmental requirement, the existing dedusting technology of coke oven is very
Difficulty is met the requirements, and only continues to develop advanced, energy saving, efficient environmental-protecting process, can just be actively promoted coking industry and be continued surely
Fixed sound development.
Summary of the invention
The utility model provides a kind of totally-enclosed centralized collection of coke oven smoke and processing unit, realizes to coke oven loss
The centralized collection of paroxysmal flue dust when flue dust and operation realizes that the integration of coke oven whole flue dust is administered, while mating complete
Kind safety devices guarantee the safe operation of totally-enclosed rear coke oven；For the coke oven smoke pollution problem for perplexing enterprise for a long time
Provide an effective solution.
In order to achieve the above object, the utility model is implemented with the following technical solutions:
A kind of totally-enclosed centralized collection of coke oven smoke and processing unit, including fully closed flue dust collecting cover and flue dust are received
Collect pipe network；In coke oven and its affiliated facility are all enclosed in by the flue dust collecting cover, flue dust collecting is set at the top of flue dust collecting cover
Pipe network, flue dust collecting pipe network include that furnace roof coal-charging smoke collecting pipe, pusher side coke-pusher smoke collecting pipe, coke side discharge of the coke flue dust collecting pipe
And flue dust collecting supervisor；Furnace roof area, pusher side and the coke side of each hole carbonization chamber of coke oven are provided with furnace roof correspondingly respectively and coaling
Flue dust collecting pipe, pusher side coke-pusher smoke collecting pipe, coke side discharge of the coke flue dust collecting pipe；The bottom opening of furnace roof coal-charging smoke collecting pipe
Above oven top of coke oven, the bottom opening of pusher side coke-pusher smoke collecting pipe is located above coke oven machine side, and coke side discharges of the coke flue dust receipts
The bottom opening of collector is located above coke oven coke side；Furnace roof coal-charging smoke collecting pipe, pusher side coke-pusher smoke collecting pipe and coke side go out
Burnt flue dust collecting pipe is separately connected flue dust collecting supervisor, and flue dust collecting supervisor passes through the dedusting system outside the connection of flue dust conveyance conduit
System.
The furnace roof coal-charging smoke collecting pipe, pusher side coke-pusher smoke collecting pipe, coke side, which discharge of the coke, to be set respectively in flue dust collecting pipe
Flap valve.
The flue dust collecting cover is surrounded by multiple blowback air ports, connects respectively with corresponding back blowing machine.
The top of the flue dust collecting cover along coke oven it is long to and it is wide to being equipped with multiple top exhaust outlets, at the exhaust outlet of top
Self forced wind cap is set respectively.
The middle part of the flue dust collecting cover is equipped with bathtub construction that is prominent upwards and collapsing, and the bathtub construction is long along coke oven
To elongated setting, flue dust collecting pipe network is set to the lower section of the bathtub construction.
The dust pelletizing system is dedusting earth station, and dedusting earth station sets sucktion fan.
The flue dust collecting cover leads fiery device equipped with multiple；Fiery device is led by fuse primer and fuse primer lid/fuse primer valve
Door composition, fuse primer are set to the top of coke oven coke oven uprising tube, the bottom end opening of fuse primer and the top of coke oven coke oven uprising tube correspondingly
End opening is oppositely arranged, and the top of fuse primer extends to outside flue dust collecting cover；Fuse primer lid is set at the top end opening of fuse primer, or
Set fuse primer valve in person's fuse primer, fuse primer lid/fuse primer valve and the linkage of the manhole cover of coke oven coke oven uprising tube realize synchronize open
It closes.
Manhole cover, the fuse primer lid/fuse primer valve of the coke oven coke oven uprising tube are additionally provided with manual opening-closing device.
The flue dust collecting cover is made of steel structure framework and containment system, and steel structure framework is set to coke oven periphery, steel knot
The top of structure skeleton is installed by Self forced wind cap；Containment system includes roof boarding and shingle nail.
Fire plant, flammable and toxic gas detection warning device are equipped in the flue dust collecting cover.
Compared with prior art, the utility model has the beneficial effects that
1) totally enclosed flue dust collecting cover is set in coke oven region, when by the loss flue dust generated in coke oven production and operation
The paroxysmal flue dust of discharge carries out centralized collection, realizes the organized discharge of coke oven whole flue dust, it is whole to greatly improve coke oven
Body dust removing effects；
2) loss flue dust is concentrated with coalingging, be sent into dust pelletizing system after the flue dust centralized collection of coke pushing and generation of the discharging of the coke
Processing is beneficial to energy conservation consumption reduction, reduces equipment investment and occupation area of equipment；
3) after coke oven is totally-enclosed, it is most important that the flammable and concentration of toxic gases in control flue dust collecting cover prevents pair
Operating personnel and production facility damage, and eliminate safe hidden trouble；The utility model is by setting blowback air port, periodically to flue dust
Fresh air is blasted in collecting hood, guarantees the safe operation of system after coke oven is totally-enclosed；
4) after coke oven is all closed, coke oven coke oven uprising tube is also in flue dust collecting cover, in coke oven production, tedge manhole cover
When unlatching, the flame and high-temperature smoke that raw coke oven gas burning generates have the characteristics that temperature is high, flame is long, and each coking cycles
It will appear；Under accident condition there is the possibility for being forced to open in tedge manhole cover, and a large amount of high-temperature smokes and raw coke oven gas will at this time
From coke oven coke oven uprising tube loss, the inside of flue dust collecting cover is directly scorched, its temperature distortion is caused even to be burnt；The utility model is logical
It crosses the setting fuse primer above coke oven coke oven uprising tube and solves the above problem, effective protection flue dust collecting cover；
5) not only dust pelletizing system is unable to operate normally under accident condition especially power failure, all electrical equipments all in
Stoppage in transit state；And coke oven loss flue dust can't stop；In the utility model, manhole cover, the fuse primer lid/lead of coke oven coke oven uprising tube
Fire tube valve is equipped with manual opening-closing device simultaneously, and back blowing machine configures diesel-driven generator simultaneously, and Self forced wind cap is without additional
Driving force, can effectively ensure that the environment under accident condition in the safe operation of coke oven and flue dust collecting cover is in a safe condition；
6) fire plant, flammable and toxic gas detection warning device are additionally provided in flue dust collecting cover, safety devices are complete,
Safety can be further increased.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of coke oven smoke described in the utility model totally-enclosed centralized collection and processing unit.
Fig. 2 is the structural schematic diagram of flue dust collecting pipe network described in the utility model.
In figure: 1. flue dust collecting cover, 2. coke oven, 3. pusher side ram, 4. coke side coke guide, 5. furnace roof charging car, 6. cigarette
Dirt collects 61. furnace roof coal-charging smoke collecting pipe of pipe network, 62. pusher side coke-pusher smoke collecting pipe, 63. coke side and discharges of the coke flue dust collecting pipe
64. flue dust collecting is responsible for 7. flue dust conveyance conduit, 8. dedusting earth station, 9. sucktion fan, 10. Self forced wind cap, 11. coke oven
Tedge 12. leads 16. flap valve of fiery 13. blowback air port of device 14. back blowing machine, 15. fire plant
Specific embodiment
Specific embodiment of the present utility model is described further with reference to the accompanying drawing:
As shown in Figure 1 and Figure 2, a kind of totally-enclosed centralized collection of coke oven smoke described in the utility model and processing unit, including
Fully closed flue dust collecting cover 1 and flue dust collecting pipe network 6；The flue dust collecting cover 1 all seals coke oven 2 and its affiliated facility
Including closing, set flue dust collecting pipe network 6 at the top of flue dust collecting cover 1, flue dust collecting pipe network 6 include furnace roof coal-charging smoke collecting pipe 61,
Pusher side coke-pusher smoke collecting pipe 62, coke side discharge of the coke flue dust collecting pipe 63 and flue dust collecting supervisor 64；The furnace of each hole carbonization chamber of coke oven 2
Top area, pusher side and coke side be provided with correspondingly respectively furnace roof coal-charging smoke collecting pipe 61, pusher side coke-pusher smoke collecting pipe 62,
Coke side discharges of the coke flue dust collecting pipe 63；The bottom opening of furnace roof coal-charging smoke collecting pipe 61 is located above oven top of coke oven, pusher side coke pushing
The bottom opening of flue dust collecting pipe 62 is located above coke oven machine side, and the discharge of the coke bottom opening of flue dust collecting pipe 63 of coke side is located at coke oven
Above coke side；Furnace roof coal-charging smoke collecting pipe 61, pusher side coke-pusher smoke collecting pipe 62 and coke side discharge of the coke flue dust collecting pipe 63 difference
Flue dust collecting supervisor 64 is connected, flue dust collecting supervisor 64 connects external dust pelletizing system by flue dust conveyance conduit 7.
The furnace roof coal-charging smoke collecting pipe 61, pusher side coke-pusher smoke collecting pipe 62, coke side discharge of the coke in flue dust collecting pipe 63
Flap valve 16 is set respectively.
The flue dust collecting cover 1 is surrounded by multiple blowback air ports 13, connects respectively with corresponding back blowing machine 14.
The top of the flue dust collecting cover 1 along coke oven 2 it is long to and it is wide to being equipped with multiple top exhaust outlets, top exhaust outlet
Place sets Self forced wind cap 10 respectively.
The middle part of the flue dust collecting cover 1 is equipped with bathtub construction that is prominent upwards and collapsing, and the bathtub construction is along coke oven
Length is set to the lower section of the bathtub construction to elongated setting, flue dust collecting pipe network 6.
The dust pelletizing system is dedusting earth station 8, and dedusting earth station 8 sets sucktion fan 9.
The flue dust collecting cover 1 leads fiery device 12 equipped with multiple；Fiery device 12 is led by fuse primer and fuse primer lid/lead fire
Tube valve composition, fuse primer are set to the top of coke oven coke oven uprising tube 11 correspondingly, and the bottom end opening and coke oven of fuse primer rise
The top end opening of pipe 11 is oppositely arranged, and the top of fuse primer extends to outside flue dust collecting cover 1；It sets and leads at the top end opening of fuse primer
Fuse primer valve, the manhole cover linkage of fuse primer lid/fuse primer valve and coke oven coke oven uprising tube 11 are set in fire tube lid or fuse primer
Realize synchronous opening/closing.
Manhole cover, the fuse primer lid/fuse primer valve of the coke oven coke oven uprising tube 11 are additionally provided with manual opening-closing device.
The flue dust collecting cover 1 is made of steel structure framework and containment system, and steel structure framework is set to 2 periphery of coke oven, steel
The top of structural framework is installed by Self forced wind cap 10；Containment system includes roof boarding and shingle nail.
Fire plant, flammable and toxic gas detection warning device are equipped in the flue dust collecting cover 1.
The working principle of a kind of totally-enclosed centralized collection of coke oven smoke described in the utility model and processing unit is (to push up dress
It is illustrated for coke oven): one totally enclosed flue dust collecting cover 1 of setting, by coke oven 2 and its affiliated facility such as coke over machinery
(including furnace roof charging car 5, pusher side ram 3 and coke side coke guide 4) is placed in inside the flue dust collecting cover 1, in this way can be complete
Collect the flue dust generated in 2 production process of coke oven in face.Flue dust collecting pipe network 6 is set in the top high point position of flue dust collecting cover 1, is led to
It crosses flue dust conveyance conduit 7 to connect with dust pelletizing system (dedusting earth station 8), the coke oven that will be collected by the suction of sucktion fan 9
Flue dust is sent to dust pelletizing system；Flue dust collecting pipe network 6 include furnace roof coal-charging smoke collecting pipe 61, pusher side coke-pusher smoke collecting pipe 62 and
Coke side discharges of the coke flue dust collecting pipe 63, and above 3 collecting pipes 61,62,63 are simultaneously for collecting the loss flue dust of corresponding region, i.e., burnt
All flue dust that furnace 2 generates finally are sent into dust pelletizing system by flue dust conveyance conduit 7, the net cigarette after concentrating purified treatment
Gas qualified discharge.
Flue dust collecting cover 1 is full-closed structure, and using steel structure framework, outside sets containment system, wherein roof boarding and wall
Color steel plate or plane skylight can be used in panel, and in local temperature higher part position, steel structure framework need to apply heat resistance paint and outsourcing fire resisting
Ceramic fibre or other high temperature resistant heat insulation materials.
During normal production, the automatic tune that exhaust gas volumn is collected is realized in flue dust collecting pipe network 6 and coke oven control system linkage to coke oven 2
Section, and coaling, the flue dust collecting pipe 61,62,63 of coke pushing and operating area of the discharging of the coke is than other region flue dust collecting pipes
61, the aperture of flap valve 16 is bigger in 62,63.Such as when the n-th hole carbonization chamber carries out pushing coke operation, the n-th hole carbonization chamber is corresponding
Pusher side coke-pusher smoke collecting pipe 62, the n-th hole carbonization chamber coke side discharge of the coke flue dust collecting pipe 63, the n-th -2 hole carbonization chamber furnace roof dress
The aperture of flap valve 16 is adjusted to 80%~100% in coal smoke dirt collecting pipe 61, the corresponding pusher side coke pushing of remaining each hole carbonization chamber
Flue dust collecting pipe 62, coke side discharge of the coke flue dust collecting pipe 63, the aperture of flap valve 16 can basis in furnace roof coal-charging smoke collecting pipe 61
It needs to be adjusted to 20%.Meanwhile sucktion fan 9 uses frequency control form, revolving speed can carry out real according to flue dust occurrence quantity
When adjust, to realize energy-saving purpose.
In multiple blowback air ports 13 that are surrounded by of flue dust collecting cover 1, back blowing machine 14 periodically starts reflexive blowing mouth 13
Fresh air is blasted into flue dust collecting cover 1, so that coke oven region is kept good ventilation condition, and improve the operation in coke oven region
Environment.Under accident condition, coke oven region release raw coke oven gas can be gathered in coke oven region can not outlet, cause considerable safety hidden
Suffer from, as normal in powered at this time, back blowing machine 13 can start immediately, can by blasting a large amount of air into flue dust collecting cover 1
Combustion concentration of component is reduced to explosion limit or less；It is such as now under power-off condition, back blowing machine 14 can be in diesel-driven generator
Driving under work on.In addition, multiple Self forced wind caps 10 are also provided at the top of flue dust collecting cover 1, in accident condition
Under can it is synchronous with the realization of back blowing machine 14 open, auxiliary back blowing machine 14 raw coke oven gas in flue dust collecting cover 1 is diffused to it
It is external.
In the state of accident, the original raw coke oven gas automatic relief igniter of coke oven 2 should automatically turn on progress raw coke oven gas and put
It dissipates, but igniter cannot timely respond to sometimes in actual production, and when raw coke oven gas hypertonia can be by the water of coke oven coke oven uprising tube 11
Capping opens, and raw coke oven gas burned flame and high temperature will directly roast flue dust collecting cover 1, and crushing damage is caused to it；For
This, the utility model adds in the top of coke oven coke oven uprising tube 11 and leads fiery device 12, leads fiery device 12 and coke oven coke oven uprising tube 11 one by one
It is correspondingly arranged, the entrance for leading fiery device 12 is located at the surface of coke oven coke oven uprising tube 11, and outlet is higher than the top surface of flue dust collecting cover 1；
When raw coke oven gas automatic relief when igniter failure, leading fiery device 12 synchronous with the manhole cover of coke oven coke oven uprising tube 11 can be opened,
It will be drained into atmosphere outside raw coke oven gas export simultaneously, to achieve the purpose that protect flue dust collecting cover 1.
Be provided in flue dust collecting cover 1 fire plant for rapidly extinguish accident condition under coke oven region appearance open fire；
In addition, be additionally provided with flammable and toxic gas detection warning device in flue dust collecting cover 1, when flammable in flue dust collecting cover 1 and have
When poisonous gas reaches upper limit of concentration, is handled by alarm sending warning alert correlation operating personnel or is withdrawn in time,
So that it is guaranteed that the personal safety of operating personnel.
The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not
It is confined to this, anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this
Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (10)
1. a kind of totally-enclosed centralized collection of coke oven smoke and processing unit, which is characterized in that including fully closed flue dust collecting
Cover and flue dust collecting pipe network；Coke oven and its affiliated facility are all enclosed in interior, flue dust collecting cover top by the flue dust collecting cover
If flue dust collecting pipe network, flue dust collecting pipe network includes that furnace roof coal-charging smoke collecting pipe, pusher side coke-pusher smoke collecting pipe, coke side discharge of the coke
Flue dust collecting pipe and flue dust collecting supervisor；Furnace roof area, pusher side and the coke side of each hole carbonization chamber of coke oven are arranged correspondingly respectively
There are furnace roof coal-charging smoke collecting pipe, pusher side coke-pusher smoke collecting pipe, coke side to discharge of the coke flue dust collecting pipe；Furnace roof coal-charging smoke collecting pipe
Bottom opening be located at oven top of coke oven area, the bottom opening of pusher side coke-pusher smoke collecting pipe is located at coke oven machine side, and coke side discharges of the coke cigarette
The bottom opening of dirt collecting pipe is located at coke oven coke side；Furnace roof coal-charging smoke collecting pipe, pusher side coke-pusher smoke collecting pipe and coke side go out
Burnt flue dust collecting pipe is separately connected flue dust collecting supervisor, and flue dust collecting supervisor passes through the dedusting system outside the connection of flue dust conveyance conduit
System.
2. a kind of totally-enclosed centralized collection of coke oven smoke according to claim 1 and processing unit, which is characterized in that described
Furnace roof coal-charging smoke collecting pipe, pusher side coke-pusher smoke collecting pipe, coke side discharge of the coke sets flap valve in flue dust collecting pipe respectively.
3. a kind of totally-enclosed centralized collection of coke oven smoke according to claim 1 and processing unit, which is characterized in that described
Flue dust collecting cover is surrounded by multiple blowback air ports, connects respectively with corresponding back blowing machine.
4. a kind of totally-enclosed centralized collection of coke oven smoke according to claim 1 or 3 and processing unit, which is characterized in that
The top of the flue dust collecting cover along coke oven it is long to and width to multiple top exhaust outlets are equipped with, set respectively at the exhaust outlet of top from
Power formula blast cap.
5. a kind of totally-enclosed centralized collection of coke oven smoke according to claim 1 or 3 and processing unit, which is characterized in that
The middle part of the flue dust collecting cover is equipped with bathtub construction that is prominent upwards and collapsing, which sets along coke oven length to elongated
It sets, flue dust collecting pipe network is set to the lower section of the bathtub construction.
6. a kind of totally-enclosed centralized collection of coke oven smoke according to claim 1 and processing unit, which is characterized in that described
Dust pelletizing system is dedusting earth station, and dedusting earth station sets sucktion fan.
7. a kind of totally-enclosed centralized collection of coke oven smoke according to claim 1 or 3 and processing unit, which is characterized in that
The flue dust collecting cover leads fiery device equipped with multiple；It leads fiery device to be made of fuse primer and fuse primer lid/fuse primer valve, lead
Fire tube is set to the top of coke oven coke oven uprising tube correspondingly, and the bottom end opening of fuse primer and the top end opening of coke oven coke oven uprising tube are opposite
Setting, the top of fuse primer extends to outside flue dust collecting cover；It is set at the top end opening of fuse primer in fuse primer lid or fuse primer
If fuse primer valve, synchronous opening/closing is realized in the manhole cover linkage of fuse primer lid/fuse primer valve and coke oven coke oven uprising tube.
8. a kind of totally-enclosed centralized collection of coke oven smoke according to claim 7 and processing unit, which is characterized in that described
Manhole cover, the fuse primer lid/fuse primer valve of coke oven coke oven uprising tube are additionally provided with manual opening-closing device.
9. a kind of totally-enclosed centralized collection of coke oven smoke according to claim 1 or 3 and processing unit, which is characterized in that
The flue dust collecting cover is made of steel structure framework and containment system, and steel structure framework is set to coke oven periphery, steel structure framework
Top is installed by Self forced wind cap；Containment system includes roof boarding and shingle nail.
10. a kind of totally-enclosed centralized collection of coke oven smoke according to claim 1 or 3 and processing unit, which is characterized in that
Fire plant, flammable and toxic gas detection warning device are equipped in the flue dust collecting cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821594839.2U CN208980651U (en) | 2018-09-28 | 2018-09-28 | A kind of totally-enclosed centralized collection of coke oven smoke and processing unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821594839.2U CN208980651U (en) | 2018-09-28 | 2018-09-28 | A kind of totally-enclosed centralized collection of coke oven smoke and processing unit |
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| Publication Number | Publication Date |
|---|---|
| CN208980651U true CN208980651U (en) | 2019-06-14 |
Family
ID=66786002
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821594839.2U Active CN208980651U (en) | 2018-09-28 | 2018-09-28 | A kind of totally-enclosed centralized collection of coke oven smoke and processing unit |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109021989A (en) * | 2018-09-28 | 2018-12-18 | 中冶焦耐(大连)工程技术有限公司 | A kind of totally-enclosed centralized collection of coke oven smoke and processing unit |
| CN111151089A (en) * | 2019-12-25 | 2020-05-15 | 太原重工股份有限公司 | Coke oven dust pelletizing system |
-
2018
- 2018-09-28 CN CN201821594839.2U patent/CN208980651U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109021989A (en) * | 2018-09-28 | 2018-12-18 | 中冶焦耐(大连)工程技术有限公司 | A kind of totally-enclosed centralized collection of coke oven smoke and processing unit |
| CN109021989B (en) * | 2018-09-28 | 2024-01-30 | 中冶焦耐(大连)工程技术有限公司 | Coke oven smoke and dust totally-enclosed is concentrated and is collected and processing apparatus |
| CN111151089A (en) * | 2019-12-25 | 2020-05-15 | 太原重工股份有限公司 | Coke oven dust pelletizing system |
| CN111151089B (en) * | 2019-12-25 | 2022-03-29 | 太原重工股份有限公司 | Coke oven dust pelletizing system |
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