CN106118693B - A kind of coke oven tail coke collection device - Google Patents
A kind of coke oven tail coke collection device Download PDFInfo
- Publication number
- CN106118693B CN106118693B CN201610414263.6A CN201610414263A CN106118693B CN 106118693 B CN106118693 B CN 106118693B CN 201610414263 A CN201610414263 A CN 201610414263A CN 106118693 B CN106118693 B CN 106118693B
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- coke
- connect
- collection device
- coke oven
- last
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
- C10B33/00—Discharging devices; Coke guides
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Coke Industry (AREA)
Abstract
The present invention provides a kind of coke oven tail coke collection device applied to coke oven machine field,The coke oven tail coke collection device includes connecing burnt component (2),Collection bucket (3),Crank connecting link (4),Crank connecting link (4) one end is connect with burnt component (2) is connect,Crank connecting link (4) other end is connect with extensible member (5) one end,Crank connecting link (4) is connect with support member (10) simultaneously,Extensible member (5) other end is connect with collection bucket (3),Extensible member (5) control unit (6) flexible with that can control extensible member (5) is connect,Coke oven tail coke collection device of the present invention,Can it is convenient and efficient to coke oven machine generate Last Coke recycle,And the Last Coke of recycling can be easily transferred to coke oven discharge of the coke locomotive cabinet in,It is big to effectively solve labor intensity of operating staff in Last Coke recycling,And the problems such as pollution environment and dangerous operation.
Description
Technical field
The invention belongs to coke oven machine fields, are to be related to a kind of coke oven tail coke collection device more specifically.
Background technique
In coking production, since the fire door of coke oven machine is unsnaped or pushing ram and trickles down machine coke due to leading the movement of burnt grid etc.
The coke of side platform is known as Last Coke, and the type of furnace is bigger, and Last Coke amount is also bigger, and the collection reuse of Last Coke is the important ring of coking production
Section.Existing collection Last Coke technology mainly uses manual type that Last Coke is shoveled back carbonization chamber, or shovel arrives the scraper plate set on locomotive
Device leads recycling in burnt grid.That there are operating environments is severe for such collection Last Coke technology, labor intensity of workers is big and operation not
The defects of safe, while influencing coke oven operation time and Last Coke environmental pollution problem.It is efficient, safe to be unable to satisfy modern coke oven machine
With the requirement of environmental protection.
Summary of the invention
The technical problem to be solved by the present invention is to：It is simple to provide a kind of structure, convenient and efficient coke oven machine can be generated
Last Coke recycled, and the Last Coke of recycling can be easily transferred to coke oven discharge of the coke locomotive cabinet in, to effectively solve
Certainly personnel labor intensity is big in Last Coke recycling, and the problems such as pollution environment and dangerous operation, realizes coke oven machine coking process
Efficient and cleaning recycling the coke oven tail coke collection device of Last Coke.
Solve the problems, such as techniques discussed above, the technical scheme adopted by the invention is as follows：
The present invention is a kind of coke oven tail coke collection device, and coke oven machine includes fire door, and the Last Coke collection device includes
Burnt component, collection bucket, crank connecting link are connect, crank connecting link one end is connect with burnt component is connect, the crank connecting link other end and extensible member
One end connection, crank connecting link connect with support member simultaneously, and the extensible member other end is connect with collection bucket, extensible member and can
Control the flexible control unit connection of extensible member.
The crank connecting link is set as " v " shaped structure, crank connecting link include connecting rod left end, connecting rod bottom end,
Connecting rod right end, connecting rod left end are connect with burnt component is connect, and connecting rod right end is connect with extensible member, connecting rod bottom end and support portion
Part is flexibly connected.
The Last Coke collection device further includes cooling-part, and cooling-part includes nozzle, conveyance conduit, water source, conveying
Pipeline one end is connect with nozzle, and the conveyance conduit other end is connect with water source, and nozzle is arranged on connecing burnt component, and water is arranged in water source
Pump.
The burnt component that connects includes collection tank and body part, and collection tank is fixedly connected with body part one end, described
Connecting rod left end be fixedly connected with body part upper surface.
The burnt component that connects further includes extension, and extension is set as positioned at the position of collection tank and body part engaging portion
It sets, the extension is set as the structure being folded upward at.
The collection bucket includes transfer passage, and Last Coke collection device further includes gate part, and gate part includes component
Bracket, telescoping rod, gate, telescoping rod are mounted in part stent, and gate is connect with telescoping rod, telescoping rod with can
The flexible control unit connection of telescoping rod is controlled, the opening portion that gate is arranged through on transfer pipeline simultaneously extends to conveying
The structure of channel interior.
The Last Coke collection device further includes support base, and support base is connect by support rod with collection bucket, described
Support member be set as the structure being fixedly connected with collection bucket.
The Last Coke collection device is mounted on coke oven and discharges of the coke on locomotive, and the support base is mounted on coke oven and discharges of the coke machine
In the locomotive cabinet of vehicle, support rod is set as the telescopic cylinder that height can adjust.
When the extensible member reaches longest position, the structure that burnt component is arranged in horizontal position is connect, it is described
Extensible member when being retracted to most short position, the opening portion for connecing the collection tank of burnt component is set as being located at collection bucket top position
Structure.
What setting tilted down arrangement on the fire door slips burnt plate.
Using technical solution of the present invention, beneficial effect below can be obtained：
Coke oven tail coke collection device of the present invention will be described after coke oven machine produces Last Coke at work
Coke oven tail coke collection device is moved adjacent to the position of the fire door of coke oven machine, so that connecing burnt component is located at fire door lower position,
At this moment, after oven door opening, the Last Coke accumulated in coke oven machine, which will be slipped to, to be connect on burnt component.And due to collection bucket and crank connecting link
Setting, when connecing burnt component and being located at fire door lower position, extensible member, which is in, stretches out longest position, at this moment meets Jiao Bujianchu
In horizontal position, it is slipped to and connects on burnt component from fire door convenient for Last Coke, and after connecing the Last Coke product in burnt component completely, pass through control
Component controls extensible member is shunk, and is connect burnt component under the drive of crank connecting link and extensible member, is flipped up, until pars contractilis
Part is retracted to most short position, is turned to the position above collection bucket, and connecing the Last Coke in burnt component can fall in collection bucket,
It completes successively Last Coke and collects transfer process.Then control unit control extensible member elongation, is elongated to longest position, connects burnt component
Again it is in a horizontal position, can start to connect burnt transfer process next time.Coke oven tail coke collection device repeats above-mentioned movement, i.e.,
Continuously the Last Coke generated in coke oven machine reception can be transferred in collection bucket, to conveniently and efficiently realize returning for Last Coke
It receives.Coke oven tail coke collection device of the present invention, structure is simple, and cost of manufacture is cheap, can be convenient and efficient to coke oven machine
The Last Coke of generation is recycled, and the Last Coke of recycling can be easily transferred to coke oven discharge of the coke locomotive cabinet in, to have
It is big that effect solves labor intensity of operating staff in Last Coke recycling, and the problems such as pollution environment and dangerous operation, realizes coke oven machine
The efficient and cleaning recycling of coking process Last Coke, effectively reduces the labor intensity of operator.
Detailed description of the invention
Brief description is made to content expressed by each attached drawing of this specification and the label in figure below：
Fig. 1 is the structural representation of coke oven tail coke collection device of the present invention connect when burnt component is in a horizontal position
Figure；
Fig. 2 is the knot of coke oven tail coke collection device of the present invention connect when burnt component is in collection bucket top position
Structure schematic diagram；
Attached drawing acceptance of the bid, which is remembered, is respectively：1, fire door；2, burnt component is connect；3, collection bucket；4, crank connecting link；5, extensible member；6,
Control unit；7, connecting rod left end；8, connecting rod bottom end；9, connecting rod right end；10, support member；11, cooling-part；12, it sprays
Mouth；13, conveyance conduit；14, water source；15, collection tank；16, body part；17, extension；18, transfer passage；19, gate portion
Part；20, part stent；21, telescoping rod；22, gate；23, support base；24, support rod；25, locomotive cabinet；26, it is open
Portion；27, burnt plate is slipped.
Specific embodiment
Below against attached drawing, by the description of the embodiment, to for example related each structure of a specific embodiment of the invention
The works such as the shape of part, construction, the mutual alignment between each section and connection relationship, the effect of each section and working principle are further
Detailed description：
As shown in attached drawing 1, attached drawing 2, the present invention is a kind of coke oven tail coke collection device, and coke oven machine includes fire door 1, described
Last Coke collection device include connect burnt component 2, collection bucket 3, crank connecting link 4,4 one end of crank connecting link is connect with burnt component 2 is connect, song
4 other end of handle connecting rod is connect with 5 one end of extensible member, and crank connecting link 4 is connect with support member 10 simultaneously, and extensible member 5 is another
End is connect with collection bucket 3, and the control unit 6 flexible with that can control extensible member 5 of extensible member 5 is connect.Above structure setting,
After coke oven machine produces Last Coke at work, the coke oven tail coke collection device is moved adjacent to the fire door of coke oven machine
Position so that connecing burnt component is located at fire door lower position, at this moment, after oven door opening, the Last Coke accumulated in coke oven machine will be slided
It falls on and connects on burnt component.And due to the setting of collection bucket and crank connecting link, when connecing burnt component and being located at fire door lower position, stretch
Component, which is in, stretches out longest position, at this moment connects burnt component and is in a horizontal position, is slipped to convenient for Last Coke from fire door and connects burnt component
On, and after connecing the Last Coke product in burnt component completely, controlling extensible member by control unit shrinks, and connects burnt component in crank connecting link
It under the drive of extensible member, is flipped up, until extensible member is retracted to most short position, is turned to above collection bucket
Position, at this moment connecing the Last Coke in burnt component can fall in collection bucket, complete successively Last Coke and collect transfer process.Then control unit
Part controls extensible member elongation, is elongated to longest position, connects burnt component and be in a horizontal position again, can start to connect coke next time
Transfer process.Coke oven tail coke collection device repeats above-mentioned movement, can continuously connect the Last Coke generated in coke oven machine
Receipts are transferred in collection bucket, to conveniently and efficiently realize the recycling of Last Coke.Coke oven tail coke collection device of the present invention,
Structure is simple, can the convenient and efficient Last Coke that coke oven machine is generated recycle, and the Last Coke of recycling can easily be shifted
In the cabinet for the discharging of the coke locomotive to coke oven, so that it is big effectively to solve labor intensity of operating staff in Last Coke recycling, and environment is polluted
The problems such as dangerous with operation, realizes the efficient of coke oven machine coking process Last Coke and cleaning recycling, effectively reduces operator
Labor intensity.
The crank connecting link 4 is set as " v " shaped structure, and crank connecting link 4 includes connecting rod left end 7, connecting rod bottom
8, connecting rod right end 9 are held, connecting rod left end 7 is connect with burnt component 2 is connect, and connecting rod right end 9 is connect with extensible member 5, connecting rod bottom
End 8 is flexibly connected with support member 10.Above structure setting, due to crank connecting link structure setting and with connect burnt component and stretch
The connection of contracting component and support member will drive when extensible member is flexible, and crank connecting link is driven to rotate around support member and connect coke
Component makees reciprocating rotary movement within a certain angle, is being located at fire door lower position in this way, just can control and connect burnt component and is being located at
Collection bucket changes between top position, realizes the purpose that will be connect the Last Coke that burnt component receives and be transferred in collection bucket.
The Last Coke collection device further includes cooling-part 11, and cooling-part 11 includes nozzle 12, conveyance conduit 13, water
Source 14,13 one end of conveyance conduit are connect with nozzle 12, and 13 other end of conveyance conduit is connect with water source 14, and the setting of nozzle 12 is connecing coke
On component 2, water pump is set in water source 14.The setting of cooling-part 11 is in order to being collected into the high temperature Last Coke connect in burnt component
It is cooled down, will can carry out the next procedure being transferred in collection bucket after Last Coke cooling rapidly.Water pump and water pump can be controlled
The control units of start and stop connects, thus can control cooling-part be collected into when connecing burnt component after the full Last Coke of accumulation carry out it is cold
But it works.
The burnt component 2 that connects includes collection tank 15 and body part 16, and collection tank 15 is fixed with 16 one end of body part
Connection, the connecting rod left end 7 are fixedly connected with 16 upper surface of body part.Such structure setting connects burnt component and is in water
When prosposition is set, the opening portion of collection tank 15 is located at upward position, convenient for receiving the Last Coke that slides in fire door, and collection tank
It is acted together with the body part connected with crank connecting link.
The burnt component 2 that connects further includes extension 17, and extension 17 is set as being located at collection tank 15 and body part 16
The position of engaging portion, the extension 17 are set as the structure being folded upward at.The setting of extension 17 is played the role of blocking,
When connecing burnt component and inverting upwards, avoids connecing burnt component when not being turned to collection bucket top position also, connect the Last Coke in burnt component
It skids off in advance, avoids influencing Last Coke transfer effect.
The Last Coke collection device is mounted on coke oven and discharges of the coke on locomotive 25, and the support base 23 is mounted on coke oven and goes out
In the locomotive cabinet 25 of burnt locomotive, support rod 24 is set as the telescopic cylinder that height can adjust.Such structure, in collection bucket
The coke oven that can directly be transported to again collected discharges of the coke on locomotive, is readily transported.
The collection bucket 3 includes transfer passage 18, and the Last Coke collection device further includes gate part 19, gate portion
Part 19 includes part stent 20, telescoping rod 21, gate 22, and telescoping rod 21 is mounted in part stent 20, gate 22 with stretch
Contracting rod piece 21 connects, and the telescoping rod control unit flexible with that can control telescoping rod is connect, and gate 22 is set as wearing simultaneously
The opening portion crossed on transfer pipeline 18 extends to the structure inside transfer passage 18.The setting of gate part 19, when original state,
Telescoping rod is in elongation state, and gate extends in transfer passage, transfer passage is closed, and works as in collection bucket and be collected into one
After quantitative Last Coke, control unit controls telescoping rod and shrinks, and gate is retracted into outside transfer passage, and transfer passage is opened, and collects
Last Coke in bucket is directly slipped to coke oven and discharges of the coke on locomotive, is readily transported.
The Last Coke collection device further includes support base 23, and support base 23 is connected by support rod 24 and collection bucket 3
It connects, the support member 10 is set as the structure being fixedly connected with collection bucket 3.
When the extensible member 5 reaches longest position, the structure that burnt component 2 is arranged in horizontal position, institute are met
When the extensible member 5 stated is retracted to most short position, the opening portion 26 for connecing the collection tank 15 of burnt component 2 is set as being located at collection bucket
The structure of 3 top positions.Such structure will drive and connect burnt component and make reciprocating rotary movement within a certain angle, just can control
It connects burnt component be located at fire door lower position and changing between collection bucket top position, realizes the tail that will be connect burnt component and receive
Coke is transferred to the purpose in collection bucket.
What setting tilted down arrangement on the fire door 1 slips burnt plate 27.The setting of burnt plate 27 is slipped, Last Coke is skidded off from fire door
Afterwards, it can be directly slipped to by slipping burnt plate 27 and be connect in burnt component, avoid Last Coke unrestrained.
Coke oven tail coke collection device of the present invention will be described after coke oven machine produces Last Coke at work
Coke oven tail coke collection device is moved adjacent to the position of the fire door of coke oven machine, so that connecing burnt component is located at fire door lower position,
At this moment, after oven door opening, the Last Coke accumulated in coke oven machine, which will be slipped to, to be connect on burnt component.And due to collection bucket and crank connecting link
Setting, when connecing burnt component and being located at fire door lower position, extensible member, which is in, stretches out longest position, at this moment meets Jiao Bujianchu
In horizontal position, it is slipped to and connects on burnt component from fire door convenient for Last Coke, and after connecing the Last Coke product in burnt component completely, pass through control
Component controls extensible member is shunk, and is connect burnt component under the drive of crank connecting link and extensible member, is flipped up, until pars contractilis
Part is retracted to most short position, is turned to the position above collection bucket, and connecing the Last Coke in burnt component can fall in collection bucket,
It completes successively Last Coke and collects transfer process.Then control unit control extensible member elongation, is elongated to longest position, connects burnt component
Again it is in a horizontal position, can start to connect burnt transfer process next time.Coke oven tail coke collection device repeats above-mentioned movement, i.e.,
Continuously the Last Coke generated in coke oven machine reception can be transferred in collection bucket, to conveniently and efficiently realize returning for Last Coke
It receives.Coke oven tail coke collection device of the present invention, structure is simple, and cost of manufacture is cheap, can be convenient and efficient to coke oven machine
The Last Coke of generation is recycled, and the Last Coke of recycling can be easily transferred to coke oven discharge of the coke locomotive cabinet in, to have
It is big that effect solves labor intensity of operating staff in Last Coke recycling, and the problems such as pollution environment and dangerous operation, realizes coke oven machine
The efficient and cleaning recycling of coking process Last Coke, effectively reduces the labor intensity of operator.
Above in conjunction with attached drawing, an exemplary description of the invention, it is clear that concrete implementation of the present invention is not by above-mentioned
The limitation of mode, as long as using the various improvement that the inventive concept and technical scheme of the present invention carry out, or not improved by this
The conception and technical scheme of invention directly apply to other occasions, are within the scope of the invention.
Claims (10)
1. a kind of coke oven tail coke collection device, coke oven machine includes fire door (1), it is characterised in that：The Last Coke collection device
Including connecing burnt component (2), collection bucket (3), crank connecting link (4), crank connecting link (4) one end is connect with burnt component (2) is connect, and crank connects
Bar (4) other end is connect with extensible member (5) one end, and crank connecting link (4) is connect with support member (10) simultaneously, extensible member
(5) other end is connect with collection bucket (3), and extensible member (5) control unit (6) flexible with that can control extensible member (5) is even
It connects.
2. coke oven tail coke collection device according to claim 1, it is characterised in that：Crank connecting link (4) setting
For " v " shaped structure, crank connecting link (4) includes connecting rod left end (7), connecting rod bottom end (8), connecting rod right end (9), connecting rod
Left end (7) is connect with burnt component (2) is connect, and connecting rod right end (9) is connect with extensible member (5), connecting rod bottom end (8) and support portion
Part (10) is flexibly connected.
3. coke oven tail coke collection device according to claim 1, it is characterised in that：The Last Coke collection device also wraps
It includes cooling-part (11), cooling-part (11) includes nozzle (12), conveyance conduit (13), water source (14), conveyance conduit (13) one
End is connect with nozzle (12), and conveyance conduit (13) other end is connect with water source (14), and nozzle (12) setting is connecing burnt component (2)
On, water pump is set in water source (14).
4. coke oven tail coke collection device according to claim 2, it is characterised in that：The burnt component (2) that connects includes
Collection tank (15) and body part (16), collection tank (15) are fixedly connected with body part (16) one end, the connecting rod left end
Head (7) is fixedly connected with body part (16) upper surface.
5. coke oven tail coke collection device according to claim 4, it is characterised in that：The burnt component (2) that connects also wraps
It includes extension (17), extension (17) is set as positioned at the position of collection tank (15) and body part (16) engaging portion, described
Extension (17) is set as the structure being folded upward at.
6. coke oven tail coke collection device according to claim 2, it is characterised in that：The collection bucket (3) includes defeated
Send channel (18), the Last Coke collection device further includes gate part (19), gate part (19) include part stent (20),
Telescoping rod (21), gate (22), telescoping rod (21) are mounted on part stent (20), gate (22) and telescoping rod (21)
Connection, telescoping rod (21) control unit (6) flexible with that can control telescoping rod (21) are connect, and gate (22) is arranged simultaneously
The internal structure of transfer passage (18) is extended to for the opening portion on transfer pipeline (18).
7. coke oven tail coke collection device according to claim 4, it is characterised in that：The Last Coke collection device installation
Discharge of the coke on locomotive (25) in coke oven, support base (23) be mounted on coke oven discharge of the coke locomotive locomotive cabinet (25) in, support rod
(24) it is set as the telescopic cylinder that height can adjust.
8. coke oven tail coke collection device according to claim 7, it is characterised in that：The Last Coke collection device also wraps
It includes support base (23), support base (23) is connect by support rod (24) with collection bucket (3), and the support member (10) is set
It is set to the structure being fixedly connected with collection bucket (3).
9. coke oven tail coke collection device according to claim 4, it is characterised in that：The extensible member (5) stretches out
When to longest position, the structure that burnt component (2) is arranged in horizontal position is connect, the extensible member (5) is retracted to most short
When position, the opening portion (26) for connecing the collection tank (15) of burnt component (2) is set as being located at the knot of collection bucket (3) top position
Structure.
10. coke oven tail coke collection device according to claim 4, it is characterised in that：Be arranged on the fire door (1) to
Burnt plate (27) are slipped in lower inclination arrangement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610414263.6A CN106118693B (en) | 2016-06-06 | 2016-06-06 | A kind of coke oven tail coke collection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610414263.6A CN106118693B (en) | 2016-06-06 | 2016-06-06 | A kind of coke oven tail coke collection device |
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| Publication Number | Publication Date |
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| CN106118693A CN106118693A (en) | 2016-11-16 |
| CN106118693B true CN106118693B (en) | 2018-11-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610414263.6A Active CN106118693B (en) | 2016-06-06 | 2016-06-06 | A kind of coke oven tail coke collection device |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107312557A (en) * | 2017-07-19 | 2017-11-03 | 柳州钢铁股份有限公司 | Coke oven Last Coke retracting device |
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| US5500094A (en) * | 1994-06-30 | 1996-03-19 | The M. W. Kellogg Company | Coke drum deheading device |
| CN201151705Y (en) * | 2008-01-10 | 2008-11-19 | 大连华锐股份有限公司 | Skip type head-tail coke gathering apparatus of coke oven |
| CN101544896A (en) * | 2009-04-30 | 2009-09-30 | 大连华锐股份有限公司 | Head and tail coke recover of coke oven machinery and operating method thereof |
| CN202369545U (en) * | 2011-12-22 | 2012-08-08 | 太原重工股份有限公司 | Head and tail coke processing device of dual-track coke guide |
| CN203144326U (en) * | 2013-01-07 | 2013-08-21 | 鞍钢重型机械有限责任公司 | Tail coke collection and treatment device for coke oven barrier vehicle |
| CN204022750U (en) * | 2014-07-07 | 2014-12-17 | 攀钢集团西昌钢钒有限公司 | A kind of quench system of pushing machine head and tail coke |
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2016
- 2016-06-06 CN CN201610414263.6A patent/CN106118693B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5500094A (en) * | 1994-06-30 | 1996-03-19 | The M. W. Kellogg Company | Coke drum deheading device |
| CN201151705Y (en) * | 2008-01-10 | 2008-11-19 | 大连华锐股份有限公司 | Skip type head-tail coke gathering apparatus of coke oven |
| CN101544896A (en) * | 2009-04-30 | 2009-09-30 | 大连华锐股份有限公司 | Head and tail coke recover of coke oven machinery and operating method thereof |
| CN202369545U (en) * | 2011-12-22 | 2012-08-08 | 太原重工股份有限公司 | Head and tail coke processing device of dual-track coke guide |
| CN203144326U (en) * | 2013-01-07 | 2013-08-21 | 鞍钢重型机械有限责任公司 | Tail coke collection and treatment device for coke oven barrier vehicle |
| CN204022750U (en) * | 2014-07-07 | 2014-12-17 | 攀钢集团西昌钢钒有限公司 | A kind of quench system of pushing machine head and tail coke |
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| Publication number | Publication date |
|---|---|
| CN106118693A (en) | 2016-11-16 |
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| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: 243003 Department of intellectual property right of Hunan West Road No. 8 technology center, Ma'anshan City, Anhui Province Applicant after: Ma'anshan Iron and Steel Co., Ltd. Address before: 243003 Hunan Anhui West Road, No. 8 technology center, Intellectual Property Department Applicant before: Ma'anshan Iron and Steel Co., Ltd. |
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| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: 243003 8 Jiuhua Road, Yushan, Ma'anshan, Anhui Applicant after: Ma'anshan Iron and Steel Co., Ltd. Address before: 243003 intellectual property department, technology center, No. 8 Hunan West Road, Yushan, Ma'anshan, Anhui Applicant before: Ma'anshan Iron and Steel Co., Ltd. |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |