CN1464030A - Process and apparatus for coal-charging and tamping synchronizing cycle operation into horizontal coking furnace - Google Patents

Process and apparatus for coal-charging and tamping synchronizing cycle operation into horizontal coking furnace Download PDF

Info

Publication number
CN1464030A
CN1464030A CN02135212A CN02135212A CN1464030A CN 1464030 A CN1464030 A CN 1464030A CN 02135212 A CN02135212 A CN 02135212A CN 02135212 A CN02135212 A CN 02135212A CN 1464030 A CN1464030 A CN 1464030A
Authority
CN
China
Prior art keywords
coal
ramming
firm
plate
holder
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN02135212A
Other languages
Chinese (zh)
Other versions
CN1218016C (en
Inventor
唐葆仁
吴刚
雷辰
孙乃鑫
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Taiyuan Heavy Machinery Group Co ltd
Taiyuan Heavy Industry Co Ltd
Original Assignee
TAIYUAN HEAVY-DUTY MACHINERY (GROUP) Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by TAIYUAN HEAVY-DUTY MACHINERY (GROUP) Co Ltd filed Critical TAIYUAN HEAVY-DUTY MACHINERY (GROUP) Co Ltd
Priority to CN021352127A priority Critical patent/CN1218016C/en
Publication of CN1464030A publication Critical patent/CN1464030A/en
Application granted granted Critical
Publication of CN1218016C publication Critical patent/CN1218016C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

Landscapes

  • Coke Industry (AREA)

Abstract

The present invention is one method and apparatus to load and tamp coal in horizontal coking furnace. An improved coal bogie is used, which has movable connection, rather than fixed connection, to coal baffle, and two sets of replaceable coal baffle and coal supporting board and two damping platforms for distributing coal and damping coal are used, so as to perform coal loading and coal distributing and damping synchronously and circularly. The present invention has shortened operation period and raised apparatus utilization.

Description

In horizontal coke furnace, coaling and make the method and apparatus of coal synchronised recycling operation firm by ramming
One, technical field
The present invention relates to a kind of packing in horizontal coke furnace makes the method and apparatus of coal firm by ramming.
Two, background technology
China in 1999 has adopted at first in the world making firm by ramming and has made coal on the platform firm by ramming, and with pack into the method and apparatus of horizontal coke-oven of tamping briquette.As Chinese patent ZL99121798.5 disclosed " method and apparatus of in horizontal coke furnace, coalingging " and patent application 01134540.3 disclosed " horizontal coke furnace is made the method and apparatus of coal firm by ramming ".The method that prior art adopted is: will loose coal after making firm by ramming on the holder coal plate of making firm by ramming on the platform, to be ask the coal plate together with in the box-shaped coal tube that is withdrawn into by the briquette of being made firm by ramming on the coal charger by the haulage gear on the coal charger, before transporting horizontal coke-oven to then, with box-shaped coal tube together with holder coal plate with make coal firm by ramming, cantilever stretches in the coking chamber of horizontal coke-oven, use the retractable top masthead to live briquette, draw back coal tube and holder coal plate and finish and coaling.By the equipment of prior art, that makes platform firm by ramming makes the termination template of mould in coal charger one side firm by ramming, is to have utilized the spillplate of coal charger toward the used push rod head of coke oven coal-charging; Holding in the palm the coal plate simultaneously is the push rod head that is hooked on coal charger, so that when driving the haulage gear of coal charger, push rod head can be dragged into coal charger with holder coal plate, and when the haulage gear of platform was made in driving firm by ramming, holder coal plate can be dragged to push rod head and spillplate thereof and make firm by ramming on the platform.The spillplate of this structure and holder coal plate can not be thrown off with the coal charger push rod head, therefore, on making platform firm by ramming when cloth coal and tamping briquette, coal charger can't leave makes the platform operation of coalingging firm by ramming, and coal charger is made firm by ramming on the platform and also can't be carried out cloth coal and tamping briquette when leaving for coke oven coal-charging.So both reduce usage ratio of equipment, prolonged the working cycle of making coal-coaling firm by ramming again.
Three, summary of the invention
The objective of the invention is provides a kind of method and apparatus of coalingging and making the operation of coal synchronised recycling firm by ramming in order to overcome the shortcoming of prior art in horizontal coke furnace.Thereby shortened the working cycle of making coal-coaling firm by ramming, improved usage ratio of equipment.
Above-mentioned purpose of the present invention is achieved in that
Adopt the coal charger of prior art and make equipment firm by ramming, change fixedlying connected of coal charger and spillplate into separable structure, and adopt A, B two interchangeable spillplate of cover and holder coal plates, be respectively applied for two and make platform (A, B) cloth coal firm by ramming and make coal firm by ramming.Concrete steps are:
1, after coal charger has been adorned coal, run to before the horizontal coke furnace treat that A that the cloth coal is made firm by ramming makes platform firm by ramming before;
2,, be dragged to A together with the spillplate of push rod head by haulage gear and make firm by ramming on the platform with the holder coal plate on the coal charger;
3, will ask the A on coal plate four limits to make the template locking firm by ramming, wherein make the termination template of mould firm by ramming, utilize the spillplate of coal charger push rod head by coal charger one side;
4, the activity of throwing off between coal charger push rod head and the A spillplate connects, and throws off the connection between A holder coal plate and the coal tube;
5, A makes platform firm by ramming and begins the cloth coal and make the coal operation firm by ramming;
6, simultaneously, before coal charger moves to and finishes the B that makes coal firm by ramming and make platform firm by ramming;
7, the coal charger push rod head connects with the termination template (being the B spillplate) that B makes mould firm by ramming;
8, unclamp and make mould firm by ramming;
9, the B spillplate is held in the palm coal plate and briquette together with B, be withdrawn into by haulage gear in the box-shaped coal tube of coal charger, B is held in the palm coal plate and the locking of coal tube;
10, before coal charger ran to coke oven to be coaling, the holder coal plate with box-shaped coal tube and locking thereof stretched in the coke oven horizontal chamber together with the tamping briquette cantilever, used the retractable top masthead to live briquette, drew back coal tube and holder coal plate, and briquette is packed in the coking chamber;
11, at this moment, B makes platform firm by ramming and is in and treats working order, before the coal charger of having adorned coal runs to and treats that cloth coal, the B that makes firm by ramming make platform firm by ramming, with this cycle operation.
The coal charger of a kind of improved coal charger and prior art has following difference:
(1) coal charger of prior art, the spillplate of its push rod head (being the baffle plate dolly), with push rod head be one-piece construction, the coal charger after the improvement, spillplate and push rod head adopt the electric hydaulic bearing pin to connect.When spillplate making firm by ramming platform make firm by ramming on the mould locked after, throw off the electric hydaulic bearing pin and connect, spillplate can break away from the push rod head, coal charger can be left make the platform traveling firm by ramming; Otherwise, making firm by ramming after the platform termination locates when push rod head, available electric hydaulic bearing pin connects with spillplate, spillplate with make firm by ramming after mould throws off locking, spillplate can be pulled coal charger with the push rod head together with holder coal plate.
(2) coal charger of prior art, its holder coal plate is hooked on the push rod head (being the baffle plate dolly), and the coal charger after the improvement is the hook retaining that will place on the holder coal plate, directly is hooked on the spillplate.After spillplate and push rod head disengagement connection, holder coal plate also can be thrown off the push rod head in company with spillplate, coal charger can be left make the platform traveling firm by ramming; Otherwise, when spillplate with after the push rod head connects, the hook retaining on the holder coal plate articulates with spillplate, holder coal plate can be pulled back to coal charger with spillplate and push rod head, or holder coal plate also can the hook spillplate, spillplate and push rod head is drawn in the coal charger coal tube makes the platform termination firm by ramming.
(3) coal charger of prior art has only a holder coal plate that is fixed on the spillplate on the push rod head (being the baffle plate dolly) and is hooked on the push rod head (this spillplate and holder coal plate also can be considered the some of making platform device firm by ramming).Coal charger after the improvement has two cover spillplates that can substitute and holder coal plate (also can be considered two make platform firm by ramming one cover spillplate and holder coal plate are respectively arranged).
The present invention makes platform and two cover holder coal plate and spillplates firm by ramming owing to be provided with two, and changes coal charger and spillplate into movable the connection, therefore can make the cloth coal and makes firm by ramming and coal charger will be made pack into two operations of coke oven of coal firm by ramming, carries out simultaneously alone.The method of this synchronised recycling operation, not only shortened widely than prior art and to have made coal-coaling working cycle firm by ramming, and because the cloth coal-to make coal working cycle firm by ramming be more than a times of working cycle of coalingging, therefore the two cover equipment of making firm by ramming are joined a coal charger, can make full use of the ability of coal charger, improve usage ratio of equipment.
Four, description of drawings
Fig. 1, for horizontal coke-oven, make station (making platform firm by ramming), coal charger position view firm by ramming.
Fig. 2, be coal charger and make the platform structure synoptic diagram firm by ramming.
Fig. 3, adopt two cover spillplates and holder coal plate respectively with two step synoptic diagram of making platform cloth coal firm by ramming and making the coal operation firm by ramming for coal charger.
Fig. 4, be the organigram (front view) of coal charger push rod head and spillplate and holder coal plate.
Fig. 5, be the organigram (vertical view) of coal charger push rod head and spillplate and holder coal plate.
Five, embodiment
As Fig. 1, shown in Figure 3, a kind of method of coalingging in horizontal coke furnace and making the operation of coal synchronised recycling firm by ramming the steps include:
1) coal charger 2 from horizontal coke furnace 1 frontier orbital run to treat that A that the cloth coal is made firm by ramming makes platform 10 firm by ramming before, as Fig. 3 (a);
2) throw off the locking of the box-shaped coal tube 3 of A holder coal plate 11 and coal charger 2, A is held in the palm the push rod head 4 of coal plate 11 together with A spillplate 12 and coal charger 2, be dragged to A by haulage gear 15 in the coal tube 3 of coal charger 2 to make firm by ramming on the platform 10, as Fig. 3 (b);
3) closure is arranged on the A side template 14 that A makes A holder coal plate 11 both sides on the platform 10 firm by ramming, and and Side Template 12,13 lockings at two ends, wherein Side Template 12 is the A spillplate of coal charger;
4) connection of disengagement coal charger push rod head 4 and A spillplate 12;
5) A makes platform 10 beginning cloth coals firm by ramming and makes the coal operation firm by ramming;
6) simultaneously, before coal charger 2 orbiting are made platform 20 firm by ramming to the B that finishes tamping briquette, as Fig. 3 (C);
7) coal charger push rod head 4 is made Side Template (being the B spillplate) 22 contrapositions of mould firm by ramming with B and is connected;
8) throwing off B makes the locking of mould firm by ramming and unclamps B side template 24;
9) push rod head 4 is withdrawn into by haulage gear 5 in the box-shaped coal tube 3 of coal charger together with B spillplate 22, the B holder coal plate 21 and the briquette of making firm by ramming, B is held in the palm coal plate 21 and 3 lockings of coal tube, as Fig. 3 (d);
10) before coal charger 2 runs to coke oven to be coaling 1, with box-shaped coal tube 3 together with B holder coal plate 21 with make the coal cantilever firm by ramming and stretch in the horizontal chamber, withstand briquette with scalable push rod and with B spillplate 22 that push rod head 4 links, draw back coal tube 3 and B holder coal plate 21, the briquette of making firm by ramming the coking chamber of packing into is as Fig. 3 (e);
11) at this moment, B makes platform 20 firm by ramming and is in and treats the cloth coal, make state firm by ramming.
Next work cycle, coal charger 2 runs to B earlier make platform 20 firm by ramming before, unload B holder coal plate 21 and B spillplate 22 after, move to A again and make platform 10 firm by ramming and ask coal plate 11, A retaining coal head 12 to move on the coal charger A, as Fig. 3 (f) together with the briquette of making firm by ramming.So go round and begin again, realize coalingging, making firm by ramming the operation of coal synchronised recycling.
As shown in Figure 2, a kind of equipment of coalingging in horizontal coke furnace and making coal firm by ramming is made the equipment (making the equipment of coal as patent application 01134540.3 described a kind of horizontal coke furnace firm by ramming) of coal and an equipment of coalingging (as the described a kind of equipment of coalingging to horizontal coke-oven of patent ZL99121798.5) and two firm by ramming by two cover horizontal coke furnaces and is overlapped the holder coal plate and the spillplate that can substitute and formed in horizontal coke-oven.As Fig. 4, shown in Figure 5, above-mentioned structure of making coal equipment and coaling facilities firm by ramming has been done following improvement.
With the spillplate 12 (replaceable is 22) of coal charger push rod head 4 fronts, connect by the fixedly connected activity that changes into by electric hydaulic pivot pin 7.Make platform 10 (or 20) firm by ramming when going up when spillplate 12 (or 22) is locked in, push rod head 4 can with spillplate 12 (or 22) connections on or disengagement.
The hook of holder coal plate afterbody keeps off 16 by being hooked on the push rod head 4, changes into directly being hooked on the spillplate 12 (or 22), makes holder coal plate 11 (or 21) connect or to throw off with the push rod head 4 of coal charger in company with spillplate 12 (or 22).
The holder coal plate 11 (or 21) that will be provided with in the bottom of coal charger push rod head 4 rollers sections, and forms one section backing plate 6.The thickness of backing plate 6 is identical with holder coal plate 11 (or 21), and push rod head 4 can be rolled between holder coal plate 11 (or 21) and backing plate 6 back and forth smooth-goingly.
Between holder coal plate 11 (or 21) and backing plate 6, electric hydaulic bearing pin 8 is set, between the base plate of backing plate and coal tube 3 electric hydaulic bearing pin 9 is set, utilize bearing pin 8 can make backing plate 6 connect or throw off with holder coal plate 11 (or 21).When backing plate 6 and holder coal plate 11 (or 21) when connecting, can make backing plate 6 make platform 10 (or 20) firm by ramming, or be pulled back in the coal tube 3 in company with asking coal plate 11 (or 21) and push rod 4 be pulled to.When bearing pin 8 connects, when bearing pin 9 also connects simultaneously, can make holder coal plate 11 (or 21) and 3 lockings of coal tube, when coke furnace carbonization chamber is coaling, holder coal plate 11 (or 21) can together be extracted out from coking chamber with coal tube 3, with the briquette coking chamber of packing into.
Electronic bearing pin 7,8,9 is by wire drum power supply and control.
Make platform firm by ramming and can respectively establish a cover cloth coal, make device for coal firm by ramming for described two, an also available cover cloth coal, make the device for coal wheel firm by ramming and flow to two and make the platform operation firm by ramming.
Make platform firm by ramming also can to make one be to make platform firm by ramming for described two, another is the conversion platform of spillplate and holder coal plate.Being each step 1)~4) coal charger all overlaps spillplate to one and holder coal plate is sent to conversion platform, step 6)~9) coal charger all is from making platform firm by ramming another set of spillplate to be retracted on the car together with holder coal plate and briquette, by conversion platform spillplate and holder coal plate are sent to then and make platform firm by ramming, carry out cloth coal and tamping operation on the platform making firm by ramming.

Claims (7)

1, a kind of method of in horizontal coke furnace, coalingging and making the operation of coal synchronised recycling firm by ramming.It is characterized in that: steps of the method are:
1) adorned the coal charger (2) of coal, run to from horizontal coke furnace (1) is preceding that to treat that cloth coal, the A that makes firm by ramming make platform (10) firm by ramming preceding;
2) throw off the locking of the box-shaped coal tube (3) of A holder coal plate (11) and coal charger (2), ask coal plate (11) together with push rod head (4) and A spillplate (12) A, be dragged to A in the coal tube (3) of coal charger to make firm by ramming on the platform (10);
3) the A side template (14) of closed A holder coal plate (11) both sides and and the A Side Template (13) and the A spillplate (12) at two ends lock;
4) connection between A holder coal plate (11) and the coal charger backing plate (6) is thrown off in the connection between disengagement coal charger push rod head (4) and the A spillplate (12);
5) A makes platform (10) beginning cloth coal, tamping operation firm by ramming;
6) simultaneously, coal charger (2) runs to and finishes the B that makes the coal operation firm by ramming to make platform (20) firm by ramming preceding;
7) coal charger push rod head (4) is connected with B spillplate (22), ask coal plate (21) to connect B with coal charger backing plate (6);
8) throw off B and make the locking that platform (20) is made mould firm by ramming firm by ramming, unclamp B side template (24);
9) push rod head (4) is dragged in the box-shaped coal tube (3) of coal charger (2) together with B spillplate (22), B holder coal plate (21) and briquette, B is dragged coal plate (21) and coal tube (3) locking;
10) it is preceding that coal charger (2) runs to coke furnace to be installed (1), together with B holder coal plate (21) and briquette, cantilever stretches in the horizontal chamber, uses scalable push rod and B spillplate (22) to withstand briquette with box-shaped coal tube (3), draw back coal tube (3) and B holder coal plate (21), the briquette coking chamber of packing into;
11) B makes platform (20) firm by ramming and is in and treats working order, and the coal charger (2) of having adorned coal runs to that to treat that cloth coal, the B that makes firm by ramming make platform (20) firm by ramming preceding, with this cycle operation.
2, according to the described method of in horizontal coke furnace, coalingging and making the operation of coal synchronised recycling firm by ramming of claim 1, it is characterized in that: in the described step 2 or 9, the locking or the disengagement of A holder coal plate (11), B holder coal plate (21) and box-shaped coal tube (3) are to be controlled by electric hydaulic bearing pin (9).
3, according to the described method of in horizontal coke furnace, coalingging and making the operation of coal synchronised recycling firm by ramming of claim 1, it is characterized in that: in the described step 4 or 7, push rod head (4) and A spillplate (12), the disengagement or the connection of push rod head (4) and B spillplate (22) are to be controlled by electric hydaulic bearing pin (7).
4, according to the described method of in horizontal coke furnace, coalingging and making the operation of coal synchronised recycling firm by ramming of claim 1, it is characterized in that: in the described step 4 or 7, A spillplate (12) and A holder coal plate (11), between B spillplate (22) and the B holder coal plate (21), be by linking directly on spillplate (12,22) with the hook retaining (16,26) that asks coal plate (11,21) to link together, making it connect or throw off with push rod head with spillplate.
5, according to the described method of in horizontal coke furnace, coalingging and making the operation of coal synchronised recycling firm by ramming of claim 1, it is characterized in that: described step 4), 7), A holder coal plate (11) and coal tube (3), B hold in the palm the disengagement between coal plate (21) and the coal tube (3) or connect, be that holder coal plate (11,21) is sectioned at coal charger one end, form the backing plate of separating (6), between holder coal plate and the backing plate electric hydaulic bearing pin (8) is set and controls.
6, according to the used equipment of the method for claim 1, by coal charger with make platform firm by ramming and make device for coal firm by ramming and forms, coal charger comprises: be installed in box-shaped coal tube (3) and interior scalable push rod and the push rod head (4) thereof of coal tube above the vehicle frame (2); Making device for coal firm by ramming comprises: make platform (10,20) firm by ramming and by the holder coal plate (11,21) that is positioned on the platform, what place holder coal plate both sides makes mould side plate (14,24) firm by ramming, place the Side Template (13,23) of holder coal plate left end, place the mould of making firm by ramming that is positioned at spillplate (12,22) formation that right-hand member connects with coal charger push rod head (4) above the holder coal plate, and be positioned at the cloth coal dolly of making the mould top firm by ramming and make dolly firm by ramming, it is characterized in that: the push rod head of described coal charger (4) adopts electric hydaulic bearing pin (7) to connect with the spillplate of making the mould right-hand member firm by ramming (12,22); Described holder coal plate (11,21) termination is provided with hook retaining (16,26), can articulate with spillplate (12,22) or throw off; The described platform of making firm by ramming is 2, and two cover holder coal plate (11,21) and spillplates (12,22) are correspondingly arranged; Described holder coal plate (11,21) is sectioned in coal charger one end, the roller below that is positioned at push rod head (4), forms the backing plate of separating (6), by electric hydaulic bearing pin (8) backing plate (6) is connected with holder coal plate (11,21) activity.
7, according to the described equipment of claim 6, it is characterized in that: described backing plate (6) is provided with electric hydaulic bearing pin (9) and connects with the base plate of coal tube (3) is movable in its end.
CN021352127A 2002-06-17 2002-06-17 Process and apparatus for coal-charging and tamping synchronizing cycle operation into horizontal coking furnace Expired - Lifetime CN1218016C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN021352127A CN1218016C (en) 2002-06-17 2002-06-17 Process and apparatus for coal-charging and tamping synchronizing cycle operation into horizontal coking furnace

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN021352127A CN1218016C (en) 2002-06-17 2002-06-17 Process and apparatus for coal-charging and tamping synchronizing cycle operation into horizontal coking furnace

Publications (2)

Publication Number Publication Date
CN1464030A true CN1464030A (en) 2003-12-31
CN1218016C CN1218016C (en) 2005-09-07

Family

ID=29744240

Family Applications (1)

Application Number Title Priority Date Filing Date
CN021352127A Expired - Lifetime CN1218016C (en) 2002-06-17 2002-06-17 Process and apparatus for coal-charging and tamping synchronizing cycle operation into horizontal coking furnace

Country Status (1)

Country Link
CN (1) CN1218016C (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103059884A (en) * 2013-01-23 2013-04-24 武钢集团昆明钢铁股份有限公司 Device and method for realizing tamping coking on ordinary coke oven
CN114479883A (en) * 2022-01-29 2022-05-13 包头钢铁(集团)有限责任公司 Method for repairing coal supporting plate of coal charging car of stamp-charging coke oven

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103059884A (en) * 2013-01-23 2013-04-24 武钢集团昆明钢铁股份有限公司 Device and method for realizing tamping coking on ordinary coke oven
CN103059884B (en) * 2013-01-23 2014-04-23 武钢集团昆明钢铁股份有限公司 Device and method for realizing tamping coking on ordinary coke oven
CN114479883A (en) * 2022-01-29 2022-05-13 包头钢铁(集团)有限责任公司 Method for repairing coal supporting plate of coal charging car of stamp-charging coke oven

Also Published As

Publication number Publication date
CN1218016C (en) 2005-09-07

Similar Documents

Publication Publication Date Title
CN1104484C (en) Coal feeding method and equipment for horizontal coke furnace
CN102352261B (en) Smoke-guiding and dust-removing device for top-loading coke furnace coal-charging vehicle
CN1218016C (en) Process and apparatus for coal-charging and tamping synchronizing cycle operation into horizontal coking furnace
CN105713623A (en) Method and device for increasing bulk density of coal charged into top-charging coke oven
CN102597169B (en) Method and device for the successive production of coal briquettes compatible with a coke chamber
CN2393879Y (en) Apparatus for loading coal into horizontal coke-oven
CN1132891C (en) Coal ramming mehtod and apparatus for horizontal coke furnace
CN102295935A (en) Rapid replacing method for coke grid of coke barrier vehicle of large-scale coke furnace
CN212219392U (en) Device for extracting petroleum from petroleum residue
CN204827278U (en) Oil -well rig quadruple board platform tubular column discharges manipulator
CN1706914A (en) Coking coal stamping method and apparatus for top coal loading coke oven
KR101387331B1 (en) Apparatus for removing carbon in coke oven carbonization chamber
CN201264980Y (en) Tamping coal-charging coke pusher
CN106701112B (en) A kind of device and method improving top dress coke oven coal-charging amount
CN206967861U (en) A kind of injection mould of self-emptying
CN201276526Y (en) U type pipe guide means of tamping coke oven smoke guide vehicle
CN103059884B (en) Device and method for realizing tamping coking on ordinary coke oven
CN2510494Y (en) Coal tamping equipment for horizontal coke oven
CN204752612U (en) Flat coal device of tamping coke oven coal charging car
CN204056873U (en) A kind of automatic lifting tar slag cover device
CN219621126U (en) Side-moving sealing furnace door system of coke oven
CN220665209U (en) Coal leveling device of coal charging car
CN220788467U (en) Coke dry quenching furnace top device
CN219858962U (en) Safety belt conveyor for coking production
CN216273938U (en) Float coal pressing device

Legal Events

Date Code Title Description
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
ASS Succession or assignment of patent right

Owner name: TAIYUAN HEAVY INDUSTRY CO.

Free format text: FORMER OWNER: TAIYUAN HEAVY MACHINERY GROUP CO., LTD.

Effective date: 20081010

C41 Transfer of patent application or patent right or utility model
C56 Change in the name or address of the patentee

Owner name: TAIYUAN HEAVY MACHINERY GROUP CO., LTD.

Free format text: FORMER NAME OR ADDRESS: TAIYUAN HEAVY MACHINERY(GROUP )CO.LTD.

CP03 Change of name, title or address

Address after: No 53, Jade Street, Taiyuan, Shanxi, Hexi District

Patentee after: Taiyuan Heavy Machinery Group Co.,Ltd.

Address before: No. 53 Jade Road Street, Wan Berlin District, Shanxi, Taiyuan

Patentee before: TAIYUAN HEAVY DUTY MACHINERY GROUP Co.,Ltd.

TR01 Transfer of patent right

Effective date of registration: 20081010

Address after: No 53, Jade Street, Taiyuan, Shanxi, Hexi District

Patentee after: TAIYUAN HEAVY INDUSTRY Co.,Ltd.

Address before: No 53, Jade Street, Taiyuan, Shanxi, Hexi District

Patentee before: Taiyuan Heavy Machinery Group Co.,Ltd.

CX01 Expiry of patent term

Granted publication date: 20050907

CX01 Expiry of patent term