CN106118693A - A kind of coke oven tail Jiao's collection device - Google Patents
A kind of coke oven tail Jiao's collection device Download PDFInfo
- Publication number
- CN106118693A CN106118693A CN201610414263.6A CN201610414263A CN106118693A CN 106118693 A CN106118693 A CN 106118693A CN 201610414263 A CN201610414263 A CN 201610414263A CN 106118693 A CN106118693 A CN 106118693A
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- CN
- China
- Prior art keywords
- coke
- coke oven
- collection device
- jiao
- collection
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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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Coke Industry (AREA)
Abstract
nullThe present invention provides a kind of coke oven tail Jiao's collection device being applied to coke oven machine field，Described coke oven tail Jiao's collection device includes connecing burnt parts (2)、Collection bucket (3)、Crank connecting link (4)，Crank connecting link (4) one end is connected with connecing burnt parts (2)，Crank connecting link (4) other end is connected with extensible member (5) one end，Crank connecting link (4) is connected with support member (10) simultaneously，Extensible member (5) other end is connected with collection bucket (3)，Extensible member (5) control parts (6) flexible with controlling extensible member (5) are connected，Coke oven tail Jiao's collection device of the present invention，Can reclaim by the convenient and swift Last Coke that coke oven machine is produced，And the Last Coke of recovery easily can be transferred to coke oven discharge of the coke locomotive casing in，Thus it is big effectively to solve labor intensity of operating staff during Last Coke reclaims，And pollute environment and operation uneasiness congruence problem.
Description
Technical field
The invention belongs to coke oven machine field, more specifically, relate to a kind of coke oven tail Jiao's collection device.
Background technology
During coking produces, unsnap due to the fire door of coke oven machine or pushing ram trickles down machine Jiao with leading the reasons such as Jiao's grid action
The coke of side platform is referred to as Last Coke, and the type of furnace is the biggest, and Last Coke amount is the biggest, and the collection reuse of Last Coke is the important ring that coking produces
Joint.Existing collection Last Coke technology mainly uses manual type that Last Coke shovels back carbonization chamber, or shovel is to the scraper plate being located at locomotive
Device or reclaim in leading burnt grid.Such collection Last Coke technology have that working environment is severe, labor strength big and operation not
The defects such as safety, affect coke oven operation time and Last Coke environmental pollution problem simultaneously.Cannot meet modern coke oven machine efficiently, safety
Requirement with environmental protection.
Summary of the invention
The technical problem to be solved is: provide a kind of simple in construction, it is possible to convenient and swift to the generation of coke oven machine
Last Coke reclaim, and the Last Coke of recovery easily can be transferred to coke oven discharge of the coke locomotive casing in, thus efficient solution
During certainly Last Coke reclaims, personnel labor intensity is big, and pollutes environment and operation uneasiness congruence problem, it is achieved coke oven machine coking process
The coke oven tail Jiao's collection device efficiently reclaimed with cleaning of Last Coke.
Techniques discussed above problem to be solved, the technical scheme that the present invention takes is:
The present invention is a kind of coke oven tail Jiao's collection device, and coke oven machine includes that fire door, described Last Coke collection device include
Connecing burnt parts, collection bucket, crank connecting link, crank connecting link one end is connected with connecing burnt parts, the crank connecting link other end and extensible member
One end connects, and crank connecting link is connected with support member simultaneously, and the extensible member other end is connected with collection bucket, extensible member with can
Control the flexible control parts of extensible member to connect.
Described crank connecting link is set to " V "-shaped structure, crank connecting link include connecting rod left end head, connecting rod bottom,
Connecting rod right end, connecting rod left end head is connected with connecing burnt parts, and connecting rod right end is connected with extensible member, connecting rod bottom and supporting part
Part is flexibly connected.
Described Last Coke collection device also includes cooling-part, and cooling-part includes nozzle, conveyance conduit, water source, conveying
Pipeline one end is connected with nozzle, and the conveyance conduit other end is connected with water source, and nozzle is arranged on and connects on burnt parts, arranges water in water source
Pump.
The described burnt parts that connect include collection tank and body, and collection tank is fixing with body one end to be connected, described
Connecting rod left end head and body upper surface fixing be connected.
The described burnt parts that connect also include extension, and extension is set to be positioned at collection tank and the position of body joint portion
Putting, described extension is set to the structure being folded upward at.
Described collection bucket includes that transfer passage, Last Coke collection device also include gate part, and gate part includes parts
Support, telescoping rod, gate, telescoping rod is arranged in part stent, and gate is connected with telescoping rod, telescoping rod with can
Controlling the flexible control parts of telescoping rod to connect, gate is simultaneously set to extend to conveying through the peristome on transfer pipeline
The structure of channel interior.
Described Last Coke collection device also includes supporting base, supports base and is connected with collection bucket by support bar, described
Support member be set to fix the structure being connected with collection bucket.
Described Last Coke collection device is arranged on coke oven and discharges of the coke on locomotive, and described support floor installation discharges of the coke machine at coke oven
In the locomotive casing of car, support bar is set to the telescopic cylinder that height can adjust.
When described extensible member reaches the longest position, connect burnt parts and be arranged in the structure of horizontal level, described
Extensible member when being retracted to the shortest position, the peristome of the collection tank connecing burnt parts is set to be positioned at collection bucket top position
Structure.
The burnt plate that slips of downward-sloping layout is set on described fire door.
Use technical scheme, can obtain following beneficial effect:
Coke oven tail Jiao's collection device of the present invention, after coke oven machine creates Last Coke at work, by described
Coke oven tail Jiao's collection device is moved adjacent to the position of the fire door of coke oven machine so that connects burnt parts and is positioned at fire door lower position,
At this moment, after oven door opening, the Last Coke piled up in coke oven machine will be slipped to connect on burnt parts.And due to collection bucket and crank connecting link
Setting, when connecing burnt parts and being positioned at fire door lower position, extensible member is in and stretches out the longest position, at this moment meets Jiao Bujianchu
In horizontal level, it is simple to Last Coke is slipped to connect burnt parts from fire door, and after the Last Coke connect in burnt parts is long-pending completely, by controlling
Component controls extensible member shrinks, and connects burnt parts under the drive of crank connecting link and extensible member, is flipped up, until pars contractilis
Part is retracted to the shortest position, is turned to the position being positioned at above collection bucket, and the Last Coke connect in burnt parts can drop in collection bucket,
Complete Last Coke successively and collect transfer process.Then control the elongation of component controls extensible member, be elongated to the longest position, connect burnt parts
Again it is horizontal, can start to connect burnt transfer process next time.Coke oven tail Jiao's collection device repeats above-mentioned action, i.e.
Continuously the Last Coke produced in coke oven machine can be received and transfer in collection bucket, thus realize returning of Last Coke conveniently and efficiently
Receive.Coke oven tail Jiao's collection device of the present invention, simple in construction, cost of manufacture is cheap, it is possible to convenient and swift to coke oven machine
The Last Coke produced reclaims, and the Last Coke of recovery easily can be transferred to coke oven discharge of the coke locomotive casing in, thus have
It is big that effect solves labor intensity of operating staff during Last Coke reclaims, and pollutes environment and operation uneasiness congruence problem, it is achieved coke oven machine
Efficiently reclaiming with cleaning of coking process Last Coke, effectively reduces the labor intensity of operator.
Accompanying drawing explanation
Content expressed by accompanying drawing each to this specification and the labelling in figure make brief description below:
Fig. 1 be coke oven tail Jiao's collection device of the present invention connect structural representation when burnt parts are horizontal
Figure；
Fig. 2 be coke oven tail Jiao's collection device of the present invention connect knot when burnt parts are in collection bucket top position
Structure schematic diagram；
Accompanying drawing acceptance of the bid note is respectively as follows: 1, fire door；2, burnt parts are connect；3, collection bucket；4, crank connecting link；5, extensible member；6、
Control parts；7, connecting rod left end head；8, connecting rod bottom；9, connecting rod right end；10, support member；11, cooling-part；12, spray
Mouth；13, conveyance conduit；14, water source；15, collection tank；16, body；17, extension；18, transfer passage；19, gate portion
Part；20, part stent；21, telescoping rod；22, gate；23, base is supported；24, support bar；25, locomotive casing；26, opening
Portion；27, burnt plate is slipped.
Detailed description of the invention
Below against accompanying drawing, by the description to embodiment, each structure the most involved to the detailed description of the invention of the present invention
Mutual alignment and annexation, the effect of each several part and operation principle etc. between the shape of part, structure, each several part are made further
Detailed description:
As shown in accompanying drawing 1, accompanying drawing 2, the present invention is a kind of coke oven tail Jiao's collection device, and coke oven machine includes fire door 1, described
Last Coke collection device include connecing burnt parts 2, collection bucket 3, crank connecting link 4, crank connecting link 4 one end is connected with connecing burnt parts 2, bent
Handle connecting rod 4 other end is connected with extensible member 5 one end, and crank connecting link 4 is connected with support member 10 simultaneously, extensible member 5 another
End is connected with collection bucket 3, and extensible member 5 is connected with controlling the flexible control parts 6 of extensible member 5.Said structure is arranged,
After coke oven machine creates Last Coke at work, described coke oven tail Jiao's collection device is moved adjacent to the fire door of coke oven machine
Position so that connecing burnt parts and be positioned at fire door lower position, at this moment, after oven door opening, the Last Coke piled up in coke oven machine will be slided
Fall and connect on burnt parts.And due to collection bucket and the setting of crank connecting link, when connecing burnt parts and being positioned at fire door lower position, flexible
Parts are in and stretch out the longest position, at this moment connect burnt parts and are horizontal, it is simple to Last Coke is slipped to connect burnt parts from fire door
On, and after the Last Coke connect in burnt parts is long-pending completely, shrink by controlling component controls extensible member, connect burnt parts at crank connecting link
With under the drive of extensible member, it is flipped up, until extensible member is retracted to the shortest position, is turned to be positioned at above collection bucket
Position, the Last Coke at this moment connect in burnt parts can drop in collection bucket, completes Last Coke successively and collects transfer process.Then control portion
Part controls extensible member elongation, is elongated to the longest position, connects burnt parts and is again horizontal, can start to meet Jiao next time
Transfer process.Coke oven tail Jiao's collection device repeats above-mentioned action, can be connect by the Last Coke that produce in coke oven machine continuously
Receipts are transferred in collection bucket, thus realize the recovery of Last Coke conveniently and efficiently.Coke oven tail Jiao's collection device of the present invention,
Simple in construction, it is possible to the convenient and swift Last Coke producing coke oven machine reclaims, and can easily be shifted by the Last Coke of recovery
Discharge of the coke to coke oven in the casing of locomotive, thus it is big effectively to solve labor intensity of operating staff during Last Coke reclaims, and pollute environment
With operation uneasiness congruence problem, it is achieved efficiently reclaiming with cleaning of coke oven machine coking process Last Coke, effectively reduce operator
Labor intensity.
Described crank connecting link 4 is set to " V "-shaped structure, and crank connecting link 4 includes at the bottom of connecting rod left end head 7, connecting rod
End 8, connecting rod right end 9, connecting rod left end head 7 is connected with connecing burnt parts 2, and connecting rod right end 9 is connected with extensible member 5, at the bottom of connecting rod
End 8 is flexibly connected with support member 10.Said structure is arranged, due to the structure of crank connecting link arrange and with connect burnt parts and stretch
Contracting parts and the connection of support member, when extensible member flexible drive crank connecting link rotates around support member, can drive and meet Jiao
Parts make reciprocating rotary movement in certain angle, so, just can control to connect burnt parts and be positioned at fire door lower position and be positioned at
Change between collection bucket top position, it is achieved the purpose that the Last Coke that burnt parts receive is transferred in collection bucket will be connect.
Described Last Coke collection device also includes that cooling-part 11, cooling-part 11 include nozzle 12, conveyance conduit 13, water
Source 14, conveyance conduit 13 one end is connected with nozzle 12, and conveyance conduit 13 other end is connected with water source 14, and nozzle 12 is arranged on and meets Jiao
On parts 2, in water source 14, water pump is set.The setting of cooling-part 11, is in order to collecting the high temperature Last Coke connect in burnt parts
Cool down, the next procedure transferring in collection bucket after being cooled down by Last Coke rapidly, can be carried out.Water pump with can control water pump
The control parts of start and stop connect, and thus can control to carry out after cooling-part collects the full Last Coke of accumulation when connecing burnt parts cold
But work.
The described burnt parts 2 that connect include that collection tank 15 and body 16, collection tank 15 are fixed with body 16 one end
Connecting, described connecting rod left end head 7 is fixing with body 16 upper surface to be connected.Such structure is arranged, and connects burnt parts and is in water
During mean place, the opening of collection tank 15 is in position upwards, it is simple to the Last Coke slided in receiving fire door, and collection tank
With and crank connecting link connect body together with action.
The described burnt parts 2 that connect also include that extension 17, extension 17 are set to be positioned at collection tank 15 and body 16
The position of joint portion, described extension 17 is set to the structure being folded upward at.The setting of extension 17, plays the effect of blocking,
When connecing burnt parts and upwards inverting, it is to avoid connect burnt parts when not also being turned to collection bucket top position, connect the Last Coke in burnt parts
Skid off in advance, it is to avoid have influence on Last Coke transfer effect.
Described Last Coke collection device is arranged on coke oven and discharges of the coke on locomotive 25, and described support base 23 is arranged on coke oven and goes out
In the locomotive casing 25 of burnt locomotive, support bar 24 is set to the telescopic cylinder that height can adjust.Such structure, in collection bucket
The coke oven that can be transported to the most again collected discharges of the coke on locomotive, it is simple to transport.
Described collection bucket 3 includes that transfer passage 18, described Last Coke collection device also include gate part 19, gate portion
Part 19 includes part stent 20, telescoping rod 21, gate 22, and telescoping rod 21 is arranged in part stent 20, gate 22 with stretch
Contracting rod member 21 connects, and telescoping rod control parts flexible with controlling telescoping rod are connected, and gate 22 is simultaneously set to wear
Cross the peristome on transfer pipeline 18 and extend to the structure within transfer passage 18.The setting of gate part 19, during original state,
Telescoping rod is in elongation state, and gate extends in transfer passage, is closed by transfer passage, and when collecting one in collection bucket
After quantitative Last Coke, controlling component controls telescoping rod and shrink, 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, it is simple to transport.
Described Last Coke collection device also includes supporting base 23, supports base 23 by support bar 24 with collection bucket 3 even
Connecing, described support member 10 is set to the structure that be connected fixing with collection bucket 3.
When described extensible member 5 reaches the longest position, connect burnt parts 2 and be arranged in the structure of horizontal level, institute
When the extensible member 5 stated is retracted to the shortest position, the peristome 26 of the collection tank 15 connecing burnt parts 2 is set to be positioned at collection bucket
The structure of 3 top positions.Such structure, can drive and connect burnt parts and make reciprocating rotary movement in certain angle, just can control
Connect burnt parts changing at fire door lower position with between collection bucket top position, it is achieved the tail that burnt parts receive will be connect
Jiao transfers to the purpose in collection bucket.
The burnt plate 27 that slips of downward-sloping layout is set on described fire door 1.Slipping the setting of burnt plate 27, Last Coke skids off from fire door
After, directly can be slipped to connect in burnt parts by slipping burnt plate 27, it is to avoid Last Coke is trickled down.
Coke oven tail Jiao's collection device of the present invention, after coke oven machine creates Last Coke at work, by described
Coke oven tail Jiao's collection device is moved adjacent to the position of the fire door of coke oven machine so that connects burnt parts and is positioned at fire door lower position,
At this moment, after oven door opening, the Last Coke piled up in coke oven machine will be slipped to connect on burnt parts.And due to collection bucket and crank connecting link
Setting, when connecing burnt parts and being positioned at fire door lower position, extensible member is in and stretches out the longest position, at this moment meets Jiao Bujianchu
In horizontal level, it is simple to Last Coke is slipped to connect burnt parts from fire door, and after the Last Coke connect in burnt parts is long-pending completely, by controlling
Component controls extensible member shrinks, and connects burnt parts under the drive of crank connecting link and extensible member, is flipped up, until pars contractilis
Part is retracted to the shortest position, is turned to the position being positioned at above collection bucket, and the Last Coke connect in burnt parts can drop in collection bucket,
Complete Last Coke successively and collect transfer process.Then control the elongation of component controls extensible member, be elongated to the longest position, connect burnt parts
Again it is horizontal, can start to connect burnt transfer process next time.Coke oven tail Jiao's collection device repeats above-mentioned action, i.e.
Continuously the Last Coke produced in coke oven machine can be received and transfer in collection bucket, thus realize returning of Last Coke conveniently and efficiently
Receive.Coke oven tail Jiao's collection device of the present invention, simple in construction, cost of manufacture is cheap, it is possible to convenient and swift to coke oven machine
The Last Coke produced reclaims, and the Last Coke of recovery easily can be transferred to coke oven discharge of the coke locomotive casing in, thus have
It is big that effect solves labor intensity of operating staff during Last Coke reclaims, and pollutes environment and operation uneasiness congruence problem, it is achieved coke oven machine
Efficiently reclaiming with cleaning of coking process Last Coke, effectively reduces the labor intensity of operator.
Above in conjunction with accompanying drawing, the present invention is carried out exemplary description, it is clear that concrete implementation of the present invention is not by above-mentioned
The restriction of mode, if the various improvement that the method design that have employed the present invention is carried out with technical scheme, or the most improved by this
Design and the technical scheme of invention directly apply to other occasions, the most within the scope of the present invention.
Claims (10)
1. coke oven tail Jiao collection device, coke oven machine includes fire door (1), it is characterised in that: described Last Coke collection device
Including connecing burnt parts (2), collection bucket (3), crank connecting link (4), crank connecting link (4) one end is connected with connecing burnt parts (2), and crank is even
Bar (4) other end is connected with extensible member (5) one end, and crank connecting link (4) is connected with support member (10) simultaneously, extensible member
(5) other end is connected with collection bucket (3), control parts (6) company that extensible member (5) is flexible with controlling extensible member (5)
Connect.
Coke oven tail Jiao's collection device the most according to claim 1, it is characterised in that: described crank connecting link (4) is arranged
For " V "-shaped structure, crank connecting link (4) includes connecting rod left end head (7), connecting rod bottom (8), connecting rod right end (9), connecting rod
Left end head (7) is connected with connecing burnt parts (2), and connecting rod right end (9) is connected with extensible member (5), connecting rod bottom (8) and supporting part
Part (10) is flexibly connected.
Coke oven tail Jiao's collection device the most according to claim 1, it is characterised in that: described Last Coke collection device also wraps
Including cooling-part (11), cooling-part (11) includes nozzle (12), conveyance conduit (13), water source (14), conveyance conduit (13)
End is connected with nozzle (12), and conveyance conduit (13) other end is connected with water source (14), and nozzle (12) is arranged on and connects burnt parts (2)
On, water source arranges water pump in (14).
Coke oven tail Jiao's collection device the most according to claim 2, it is characterised in that: the described burnt parts (2) that connect include
Collection tank (15) and body (16), collection tank (15) is fixing with body (16) one end to be connected, described connecting rod left end
Head (7) is fixing with body (16) upper surface to be connected.
Coke oven tail Jiao's collection device the most according to claim 4, it is characterised in that: the described burnt parts (2) that connect also are wrapped
Including extension (17), extension (17) is set to be positioned at collection tank (15) and the position of body (16) joint portion, described
Extension (17) is set to the structure being folded upward at.
Coke oven tail Jiao's collection device the most according to claim 2, it is characterised in that: described collection bucket (3) includes defeated
Send passage (18), described Last Coke collection device also include gate part (19), gate part (19) include part stent (20),
Telescoping rod (21), gate (22), telescoping rod (21) is arranged in part stent (20), gate (22) and telescoping rod (21)
Connecting, telescoping rod (21) control parts (6) flexible with controlling telescoping rod (21) are connected, and gate (22) is arranged simultaneously
For extending to, through the peristome on transfer pipeline (18), the structure that transfer passage (18) is internal.
Coke oven tail Jiao's collection device the most according to claim 4, it is characterised in that: described Last Coke collection device is installed
Discharge of the coke on locomotive (25) at coke oven, described support base (23) be arranged on coke oven discharge of the coke locomotive locomotive casing (25) in,
Strut (24) is set to the telescopic cylinder that height can adjust.
Coke oven tail Jiao's collection device the most according to claim 7, it is characterised in that: described Last Coke collection device also wraps
Including support base (23), support base (23) and be connected with collection bucket (3) by support bar (24), described support member (10) sets
It is set to the structure that be connected fixing with collection bucket (3).
Coke oven tail Jiao's collection device the most according to claim 4, it is characterised in that: described extensible member (5) stretches out
During to the longest position, connecing burnt parts (2) and be arranged in the structure of horizontal level, described extensible member (5) is retracted to the shortest
During position, the peristome (26) of the collection tank (15) connecing burnt parts (2) is set to be positioned at the knot of collection bucket (3) top position
Structure.
Coke oven tail Jiao's collection device the most according to claim 4, it is characterised in that: arrange on described fire door (1) to
Under be in tilted layout slip burnt plate (27).
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 |
|---|---|
| CN106118693A true CN106118693A (en) | 2016-11-16 |
| CN106118693B CN106118693B (en) | 2018-11-20 |
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ID=57270297
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610414263.6A Active CN106118693B (en) | 2016-06-06 | 2016-06-06 | A kind of coke oven tail coke collection device |
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Cited By (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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| 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 | 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 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| 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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| Publication number | Publication date |
|---|---|
| CN106118693B (en) | 2018-11-20 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| 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. |
|
| 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. |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant |