CN204727912U - A kind of device of quick-detachment tuyere medium jacket of blast furnace - Google Patents
A kind of device of quick-detachment tuyere medium jacket of blast furnace Download PDFInfo
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- CN204727912U CN204727912U CN201520476105.4U CN201520476105U CN204727912U CN 204727912 U CN204727912 U CN 204727912U CN 201520476105 U CN201520476105 U CN 201520476105U CN 204727912 U CN204727912 U CN 204727912U
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- front tension
- tension bar
- tuyere medium
- blast furnace
- governor lever
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Abstract
A device for quick-detachment tuyere medium jacket of blast furnace, belongs to blast furnace servicing installation technical field, for quick-detachment tuyere medium jacket of blast furnace.Its technical scheme is: the utility model adds 3-4 root front tension bar around original pull bar, the front end of each front tension bar is fixed with Slip Hook, multiple Slip Hook hooks the circumference at tuyere medium sleeve, sliding hammer can make tuyere medium sleeve circumference uniform force when clashing into dismounting tuyere medium sleeve backward, reduce distortion during dismounting, greatly add Quick demounting speed; Governor lever, back up pad and adjustable plate play the effect supporting front tension bar on the one hand, can also regulate the height of front tension bar distance pull bar, to adapt to the dismounting of the tuyere medium sleeve of different diameter simultaneously.The utility model structure is simple, easy to use, can reduce the time of dismounting tuyere medium jacket of blast furnace, thus the overall repair time of saving blast furnace, reduce the labour intensity of workman simultaneously, in the industry, have the value promoted the use of.
Description
Technical field
The utility model relates to a kind of device for quick-detachment tuyere medium jacket of blast furnace, belongs to blast furnace servicing installation technical field.
Background technology
By the tuyere device of blast-furnace bosh, hot blast is sent in blast furnace during blast-furnace smelting, make the ore in stove and coke heating carry out reduction reaction.Each air port is made up of large cover, middle cover and little cover.Tuyere small sleeve contacts with ore, coke in stove, and wearing and tearing, scaling loss are comparatively large, and the life-span is short.Combine the furnace wall that refractory brick is built in tuyere medium sleeve and stove to contact, in the process of blast-furnace smelting, by the impact of various factors, cause tuyere medium sleeve front end to upwarp, open with tuyere big sleeve trim top and the bottom dislocation, change the flow direction of hot blast, great effect is caused to the smelting of blast furnace, staggering due to trim simultaneously, the coal gas in stove leaks in a large number from tuyere medium sleeve and the contact surface overlapped greatly, there is serious potential safety hazard.
During each blast furnace periodical repair, according to the life cycle of tuyere small sleeve and the deformation of tuyere medium sleeve, it is carried out to the replacing of respective numbers.When dismounting tuyere small sleeve and tuyere medium sleeve, workman pulls the sliding thick stick of sliding hammer shock with the rope made of hemp, and the anterior sliding shock tuyere medium sleeve that hooks makes it stressed, plays the effect of dismounting.Because little cover dismounting is relatively lighter, carries out strike by traditional sliding hammer and can dismantle complete in 10 minutes.Tuyere medium sleeve is 810mm with the trim diameter overlapped greatly, Zhou Changyue 2.5 meters, stressed area is large, adds the impact that tuyere medium sleeve upwarps distortion, therefore when dismantling tuyere medium sleeve, stripping assembly is just clashed into a bit at circumferential direction, discontinuity is comparatively large on the impact of its dismantlement work, dismantle more difficult, sometimes overlaps in one and pulls down for up to 12 hours, have a strong impact on the repair schedule of blast furnace, add labor strength simultaneously.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of device of quick-detachment tuyere medium jacket of blast furnace, this device can make tuyere medium sleeve uniform force when dismantling tuyere medium jacket of blast furnace, reduce distortion during dismounting, greatly add Quick demounting speed, the overall repair time of saving blast furnace, reduce the labour intensity of workman simultaneously.
The technical scheme solved the problems of the technologies described above is:
A kind of device of quick-detachment tuyere medium jacket of blast furnace, it comprises pull bar, sliding hammer, Slip Hook, sliding hammer is connected to the rear portion of pull bar, Slip Hook is positioned at the front portion of pull bar, which increase front tension bar, web plate, governor lever, front tension bar and governor lever are 3-4 root, the front end of each front tension bar is welded to connect Slip Hook, there is connecting hole at the rear portion of front tension bar, connecting hole is enclosed within the upper end of governor lever, governor lever is vertical with front tension bar, governor lever there is screw thread, setting nut is had to be fixed on governor lever by front tension bar respectively in front tension bar connecting hole both sides, lower end and the web plate of governor lever are welded to connect, web plate is circular, the center of web plate is contained on pull bar and is welded and fixed, the plate face of web plate and the axes normal of pull bar, 3-4 governor lever is along the circumference uniform distribution of web plate.
The device of above-mentioned quick-detachment tuyere medium jacket of blast furnace, the middle part of described each front tension bar is welded with back up pad, the plate face of back up pad is parallel with the axis of front tension bar, the edge, plate face of back up pad is relative with pull bar, pull bar is welded with relative adjustable plate, and the plate face of adjustable plate is parallel with the plate face of back up pad, and back up pad has locking hole, relative adjustable plate has corresponding elongated hole, back up pad and adjustable plate are fastenedly connected through locking hole and elongated hole by joint bolt.
The beneficial effects of the utility model are:
The utility model adds 3-4 root front tension bar around original pull bar, the front end of each front tension bar is fixed with Slip Hook, multiple Slip Hook hooks the circumference at tuyere medium sleeve, sliding hammer can make tuyere medium sleeve circumference uniform force when clashing into dismounting tuyere medium sleeve backward, reduce distortion during dismounting, greatly add Quick demounting speed; Governor lever, back up pad and adjustable plate play the effect supporting front tension bar on the one hand, can also regulate the height of front tension bar distance pull bar, to adapt to the dismounting of the tuyere medium sleeve of different diameter simultaneously.The utility model structure is simple, easy to use, can reduce the time of dismounting tuyere medium jacket of blast furnace, thus the overall repair time of saving blast furnace, reduce the labour intensity of workman simultaneously, in the industry, have the value promoted the use of.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is using state schematic diagram of the present utility model;
Fig. 3 is Slip Hook installation site schematic diagram;
Fig. 4 is the schematic diagram of the 3rd Slip Hook.
In figure, mark is as follows: pull bar 1, sliding hammer 2, Slip Hook 3, front tension bar 4, web plate 5, governor lever 6, setting nut 7, back up pad 8, adjustable plate 9, joint bolt 10, tuyere medium sleeve 11, first Slip Hook 3-1, the second Slip Hook 3-2, the 3rd Slip Hook 3-3.
Embodiment
The utility model comprises original pull bar 1, sliding hammer 2, Slip Hook 3, and sliding hammer 2 is connected to the rear portion of pull bar 1, and Slip Hook 3 is positioned at the front portion of pull bar 1.Original Slip Hook 3 is connected directly between the front portion of pull bar 1, Slip Hook 3 can only catch on tuyere medium sleeve edge a bit, tuyere medium sleeve unbalance stress, not quick detachable.The utility model adds Slip Hook 3 and syndeton, can make tuyere medium sleeve 11 circumference uniform force, reduces distortion during dismounting, greatly adds Quick demounting speed.
The utility model adds front tension bar 4, web plate 5, governor lever 6, setting nut 7 and back up pad 8, adjustable plate 9, joint bolt 10.
Show in figure, front tension bar 4 and governor lever 6 are 3-4 root, and the front end of each front tension bar 4 is welded to connect Slip Hook 3, there is connecting hole at the rear portion of front tension bar 4, connecting hole is enclosed within the upper end of governor lever 6, and governor lever 6 is vertical with front tension bar 4, and lower end and the web plate 5 of governor lever 6 are welded to connect.
Show in figure, web plate 5 is circular, and the center of web plate 5 is contained on pull bar 1 and is welded and fixed, the plate face of web plate 5 and the axes normal of pull bar 1, and 3-4 governor lever 6 is along the circumference uniform distribution of web plate 5.
Show in figure, governor lever 6 has screw thread, have setting nut 7 to be fixed on governor lever 6 by front tension bar 4 respectively in front tension bar 4 connecting hole both sides.The position of adjustment setting nut 7, can move up and down front tension bar 4 along governor lever 6, to regulate front tension bar 4 front end Slip Hook 3 apart from the distance at tuyere medium sleeve 11 center, adapts to the dismounting of the tuyere medium sleeve of different diameter size.
Show in figure, the middle part of each front tension bar 4 is welded with back up pad 8, and the plate face of back up pad 8 is parallel with the axis of front tension bar 4, and the edge, plate face of back up pad 8 is relative with pull bar 1.Pull bar 1 is welded with relative adjustable plate 9, the plate face of adjustable plate 9 is parallel with the plate face of back up pad 8, back up pad 8 has locking hole, relative adjustable plate 9 has corresponding elongated hole, back up pad 8 and adjustable plate 9 are fastenedly connected through locking hole and elongated hole by joint bolt 10.The effect of back up pad 8 and adjustable plate 9 supports front tension bar 4 to be in working position, joint bolt 10 adjusts the relative position of back up pad 8 and adjustable plate 9 by locking hole and elongated hole, make the Slip Hook 3 of front tension bar 4 front end can hold out against on the inner wall edge of tuyere medium sleeve 11, pulling back can not to middle slippage when tuyere medium sleeve 11 is dismantled.
Show in figure, 3 Slip Hooks 3, after tuyere medium sleeve 11 section is 120 ° of directional spreding, can make tuyere medium sleeve uniform force, quick-detachment.After calculating A point to the height on bottom line BC according to the section latus rectum of tuyere medium sleeve 11, make the 3rd fixing Slip Hook 3-3.When 3 Slip Hooks 3 are by after tuyere medium sleeve 11, adjusting nut 7, make the first Slip Hook 3-1 and the second Slip Hook 3-2 reach certain width, the 3rd Slip Hook 3-3 can hold out against tuyere medium sleeve 11 inwall, thus reaching 3 Slip Hooks 3, to present 120 ° of directions uniform.
Use procedure of the present utility model is as follows:
Adjust front tension bar 4 in the position of governor lever 6 upper end according to the internal diameter of tuyere medium sleeve 11, make front tension bar 4 through tuyere medium sleeve 11, then adjusted by 3 Slip Hooks 3 of back up pad 8 and adjustable plate 9 pairs of front tension bar 4 front ends, make 3 Slip Hooks 3 hook tight tuyere medium sleeve 11 front end.Then workman carries out dismounting tuyere medium sleeve 11 by the sliding thick stick that sliding hammer 2 clashes into pull bar 1 rear portion and works.After adopting the utility model, the time of dismounting tuyere medium sleeve 11 can save 3 ~ 4 hours, and entirety has saved the repair time of blast furnace, reduces the labour intensity of workman simultaneously.
Claims (2)
1. the device of a quick-detachment tuyere medium jacket of blast furnace, it comprises pull bar (1), sliding hammer (2), Slip Hook (3), sliding hammer (2) is connected to the rear portion of pull bar (1), Slip Hook (3) is positioned at the front portion of pull bar (1), it is characterized in that: which increase front tension bar (4), web plate (5), governor lever (6), front tension bar (4) and governor lever (6) are 3-4 root, the front end of each front tension bar (4) is welded to connect Slip Hook (3), there is connecting hole at the rear portion of front tension bar (4), connecting hole is enclosed within the upper end of governor lever (6), governor lever (6) is vertical with front tension bar (4), (6) have screw thread with governor lever, there is setting nut (7) to be fixed on governor lever (6) by front tension bar (4) respectively in front tension bar (4) connecting hole both sides, lower end and the web plate (5) of governor lever (6) are welded to connect, web plate (5) is circular, the center of web plate (5) is contained on pull bar (1) and is welded and fixed, the plate face of web plate (5) and the axes normal of pull bar (1), 3-4 governor lever (6) is along the circumference uniform distribution of web plate (5).
2. the device of quick-detachment tuyere medium jacket of blast furnace according to claim 1, it is characterized in that: the middle part of described each front tension bar (4) is welded with back up pad (8), the plate face of back up pad (8) is parallel with the axis of front tension bar (4), the edge, plate face of back up pad (8) is relative with pull bar (1), pull bar (1) is welded with relative adjustable plate (9), the plate face of adjustable plate (9) is parallel with the plate face of back up pad (8), (8) have locking hole to back up pad, relative adjustable plate (9) there is corresponding elongated hole, back up pad (8) and adjustable plate (9) are fastenedly connected through locking hole and elongated hole by joint bolt (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520476105.4U CN204727912U (en) | 2015-07-06 | 2015-07-06 | A kind of device of quick-detachment tuyere medium jacket of blast furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520476105.4U CN204727912U (en) | 2015-07-06 | 2015-07-06 | A kind of device of quick-detachment tuyere medium jacket of blast furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204727912U true CN204727912U (en) | 2015-10-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520476105.4U Expired - Fee Related CN204727912U (en) | 2015-07-06 | 2015-07-06 | A kind of device of quick-detachment tuyere medium jacket of blast furnace |
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| CN (1) | CN204727912U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105483304A (en) * | 2016-02-24 | 2016-04-13 | 济南华北升降平台制造有限公司 | Blast-furnace tuyere maintaining, detaching and assembling mechanical arm and method for detaching and assembling tuyere sleeve through same |
| CN106702058A (en) * | 2016-12-28 | 2017-05-24 | 内蒙古包钢钢联股份有限公司 | Blast furnace replacement large sleeve drawing device |
| CN109022653A (en) * | 2017-06-12 | 2018-12-18 | 鞍钢股份有限公司 | A kind of specific purpose tool unloading blast-furnace tuyere and application method |
| CN109306390A (en) * | 2018-11-15 | 2019-02-05 | 山东钢铁股份有限公司 | Tuyere small sleeve extracting tool and method |
| CN110029199A (en) * | 2019-06-03 | 2019-07-19 | 安徽马钢设备检修有限公司 | Large blast furnace tuyere medium sleeve automatic disassembling device |
| CN113233384A (en) * | 2021-05-17 | 2021-08-10 | 济南华北升降平台制造有限公司 | Tool and equipment for disassembling and assembling tuyere middle sleeve of iron-making blast furnace |
-
2015
- 2015-07-06 CN CN201520476105.4U patent/CN204727912U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105483304A (en) * | 2016-02-24 | 2016-04-13 | 济南华北升降平台制造有限公司 | Blast-furnace tuyere maintaining, detaching and assembling mechanical arm and method for detaching and assembling tuyere sleeve through same |
| CN106702058A (en) * | 2016-12-28 | 2017-05-24 | 内蒙古包钢钢联股份有限公司 | Blast furnace replacement large sleeve drawing device |
| CN109022653A (en) * | 2017-06-12 | 2018-12-18 | 鞍钢股份有限公司 | A kind of specific purpose tool unloading blast-furnace tuyere and application method |
| CN109306390A (en) * | 2018-11-15 | 2019-02-05 | 山东钢铁股份有限公司 | Tuyere small sleeve extracting tool and method |
| CN110029199A (en) * | 2019-06-03 | 2019-07-19 | 安徽马钢设备检修有限公司 | Large blast furnace tuyere medium sleeve automatic disassembling device |
| CN110029199B (en) * | 2019-06-03 | 2024-02-02 | 安徽马钢设备检修有限公司 | Automatic dismounting device for middle sleeve of large blast furnace tuyere |
| CN113233384A (en) * | 2021-05-17 | 2021-08-10 | 济南华北升降平台制造有限公司 | Tool and equipment for disassembling and assembling tuyere middle sleeve of iron-making blast furnace |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151028 Termination date: 20180706 |