CN205368409U - Overlap in wind gap that can prevent to upwarp - Google Patents
Overlap in wind gap that can prevent to upwarp Download PDFInfo
- Publication number
- CN205368409U CN205368409U CN201620122328.5U CN201620122328U CN205368409U CN 205368409 U CN205368409 U CN 205368409U CN 201620122328 U CN201620122328 U CN 201620122328U CN 205368409 U CN205368409 U CN 205368409U
- Authority
- CN
- China
- Prior art keywords
- middle set
- depression bar
- face
- medium sleeve
- tuyere medium
- 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.)
- Expired - Fee Related
Links
- 238000005452 bending Methods 0.000 claims abstract description 9
- 239000000203 mixture Substances 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 230000008961 swelling Effects 0.000 abstract 1
- 210000001015 abdomen Anatomy 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 238000001816 cooling Methods 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 3
- 230000035882 stress Effects 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000000498 cooling water Substances 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000011819 refractory material Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000000571 coke Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000002372 labelling Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000008646 thermal stress Effects 0.000 description 1
Landscapes
- Blast Furnaces (AREA)
Abstract
The utility model provides an overlap in wind gap that can prevent to upwarp, belong to blast furnace air intake equipment technical field, it includes overlaps the body in the wind gap, preceding cap, baffle and well set of depression bar, well set of depression bar is perpendicular bending structures, the one end of bending is held for long, long terminal surface top is tightly overlapped on the rear end face in the wind gap, the other end is short end, short serving is equipped with the through hole, should run through the borehole jack on well set of gim peg, be equipped with the wedge groove on the well set of gim peg, in the wedge groove during the wedge is put into on the cover gim peg, through the tight well cover body of well casing pressure peak of the staff, the well set of depression bar is 2 -5, distributes on the circumference of well set of rear portion terminal surface outer fringe. Bending structures's well casing pressure pole position in high temperature operational environment, wherein one end is sticis on well set of body rear portion terminal surface, and the other end that is equipped with the through hole makes both be connected with the well set of gim peg that has the wedge groove through the wedge of inputting. Structure and connected mode are simple, dismouting rapidly, avoid among the high temperature operational environment between each connecting piece the swelling capacity different and lead to be difficult for the dismouting problem, improve production efficiency.
Description
Technical field
This utility model relates to a kind of tuyere medium sleeve preventing and upwarping, and belongs to blast furnace air intake equipment technical field.
Background technology
Blast-furnace tuyere is made up of tuyere big sleeve, tuyere medium sleeve and tuyere small sleeve, it it is taper-face contact between each tuyere case, rely on external force to compress to connect, it also it is ball cone match between tuyere small sleeve and air intake belly pipe, so may insure that the cooperation of each connecting portion of air inlet system is tight, do not leak out, thus meeting blast fumance requirement.Aborning, owing to being affected by thermal stress effect in blast furnace, blast furnace crucibe liner abnormal expansion etc., part tuyere medium sleeve front end can upwarp, when tuyere small sleeve upwarps in company with tuyere medium sleeve, cause that gap occurs in the contact surface between tuyere small sleeve and air intake belly pipe, cause and leak out, make to blast inside blast furnace the hot-air more than 1000 DEG C to be leaked out by gap, the shell steel plate of air intake belly pipe is heated by the hot-air leaked outside, and brings accident potential, affects blast fumance.For solving this problem, Chinese patent 201120375161.0 discloses " a kind of Novel tuyere medium sleeve pressing device ", this device is by being welded with the top tool bearing of fixing otic placode, balance leading screw and support bar etc., it may be achieved the compression to tuyere medium sleeve, it is prevented that tuyere medium sleeve upwarps.But the parts of this device need processing, and structure is complex, it is unfavorable for promoting.In view of this, it is necessary to improved.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of simple in construction, the easy to use tuyere medium sleeve preventing from upwarping.
This utility model solves its technical problem and be the technical scheme is that
A kind of tuyere medium sleeve preventing from upwarping, composition includes tuyere medium sleeve body, front cap, dividing plate and middle set depression bar, tuyere medium sleeve body is hollow ring body, middle set body rear end face is provided with middle set inlet opening and middle set apopore, intake tunnel is connected in inlet opening, Zhong Tao backwater room is connected in middle set apopore, it is provided with annular baffle between front cap and tuyere medium sleeve body, it it is Qian Mao volute chamber between front cap and annular baffle, improvements are, middle set depression bar is vertical bending structure, one end of bending is long end, long end face tightening is on tuyere medium sleeve rear end face, the other end is short end, short end is provided with through hole, this through hole is enclosed within middle set gim peg, middle set gim peg is provided with cleat slot, chock is inserted in the cleat slot on middle set gim peg, by middle casing pressure masthead tightly middle set body；Middle set depression bar is 2-5, is distributed on the circumference of middle set rear portion end face outer rim.
The above-mentioned tuyere medium sleeve preventing from upwarping, described middle set depression bar is 3, and wherein set depression bar is distributed at middle set rear portion end surface symmetric in 2, overlaps depression bar in another one between middle set inlet opening and middle set apopore；It is provided with cushion block between the middle long end face of set depression bar and tuyere medium sleeve rear end face；
The above-mentioned tuyere medium sleeve preventing from upwarping, the edge of described cushion block is trisquare shape bulge-structure, and the long end face of each middle set depression bar holds out against inside the trisquare shape mechanism of cushion block respectively.
The beneficial effects of the utility model are: the middle set depression bar of bending structure is positioned at high-temperature work environment, wherein one end is pressed on middle set rear body end face, the other end being provided with through hole makes both be connected with the middle set gim peg with cleat slot by the chock keyed in, this structure and connected mode are simple, can dismount rapidly, avoid in high-temperature work environment that swell increment between each connector is different and the problem not easy to assemble that causes, improve production efficiency.
Accompanying drawing explanation
Fig. 1 is tuyere medium sleeve rear end face view of the present utility model；
Fig. 2 is the C-C face sectional view of Fig. 1；
Fig. 3 is the A-A face sectional view of Fig. 2；
Fig. 4 is the B-B face sectional view of Fig. 2；
Fig. 5 is the D-D face expanded view of Fig. 1；
Fig. 6 is this utility model installation cross-sectional schematic on blast furnace；
Fig. 7 is the side view of Fig. 6.
In figure, labelling is as follows: tuyere big sleeve 1, tuyere big sleeve chase 2, coil 3, tuyere medium sleeve body 4, tuyere small sleeve 5, middle set water pipe 6, little set water pipe 7, middle set gim peg 8, chock 9, middle set depression bar 10, bolt 11, nut 12, packing ring 13, cooling wall 14, furnace shell 15, filler 16, cushion block 17, big set water pipe 18, through hole 19, front cap 20, dividing plate 21, intake tunnel 22, Qian Mao volute chamber 23, middle set inlet opening 24, middle set apopore 25, Zhong Tao backwater room 26.
Detailed description of the invention
Below in conjunction with accompanying drawing, by embodiment, the utility model is described in further detail.
This utility model composition includes tuyere medium sleeve body 4, front cap 20, dividing plate 21 and middle set depression bar 10, tuyere medium sleeve body 4 is hollow ring body, middle set body rear end face is provided with middle set inlet opening 24 and middle set apopore 25, intake tunnel 22 is connected in inlet opening 24, Zhong Tao backwater room 26 is connected in middle set apopore 25, it is provided with annular baffle 21 between front cap 20 and tuyere medium sleeve body 4, is Qian Mao volute chamber 23 between front cap 20 and annular baffle 21.After assembling, inlet opening 24, intake tunnel 22, Qian Mao volute chamber 23, backwater room 26 and apopore 25 match and form the water-cooling system of tuyere medium sleeve.
The back segment Outer Taper of tuyere medium sleeve body 4 is partly installed in the nose cone part of tuyere big sleeve 1, and residue section extends to by the blast furnace lining of refractory material laying；Being provided with tuyere small sleeve 5 in inner cone position, tuyere medium sleeve body front end, tuyere small sleeve 5 back segment is internal is sphere, with the airtight combination of sphere of air intake belly pipe end；The cushion block 17 having 3 edges to be trisquare shape bulge-structure on tuyere medium sleeve rear end face, 3 cushion blocks are distributed on the circumference of middle set rear portion end face outer rim, wherein 1 cushion block is arranged in set apopore and middle part, inlet opening, another 2 cushion blocks are arranged symmetrically, and its position constitutes equilateral triangle or isosceles triangle with first cushion block position；The long end face tightening of the middle set depression bar 10 of vertical bending structure is inside the trisquare shape structure of cushion block 17, and the other end being provided with through hole is short end, and this through hole is enclosed within middle set gim peg 8；Middle set gim peg 8 is provided with cleat slot, and chock 9 is inserted in the cleat slot on middle set gim peg 8, holds out against middle set body 4 by middle set depression bar 10；3 cushion blocks 17 are withstood by set depression bar 10 in 3 respectively, 3 cushion blocks 17 form a stress surface, are enclosed within, in this stress balance, the active force upwards being subject in blast furnace, it is to avoid what blast furnace internal stress effect caused with inhibiting tuyere medium sleeve to answer upwarps.
The main processing technology of this utility model tuyere medium sleeve body is:
1. tuyere medium sleeve body 4 and 3 cushion blocks 17 being arranged in set rear portion end face are integrally cast for fine copper；
2. before, cap 20 forms for pure copper extruding casting；
3. dividing plate 21 is steel；
4. pair tuyere medium sleeve body 4 and front cap 20 faying face are machined out, and dividing plate 21 is enclosed within tuyere medium sleeve body 19 front end, by integrally welded to tuyere medium sleeve body 4, dividing plate 21 and front cap 20.
Fig. 6 and Fig. 7 is an embodiment of the present utility model.Cushion block 17 bottom thickness is 5mm, and cushion block 17 integral thickness is 25mm, and cushion block 17 edge is trisquare shape bulge-structure.
The process installing this utility model tuyere medium sleeve on blast furnace is as follows:
1. after unloading air intake belly pipe and tuyere small sleeve 5, tuyere medium sleeve body 19 ophthalmic card jail is stretched into after being preheated by middle set drag hook leading portion with sliding hammer, pull sliding hammer, by sliding hammer multiple impact overlaps the impulsive force that drag hook bar back segment produces, tuyere medium sleeve body is produced the impulsive force of pull-out outside blast furnace by the coupler body making set drag hook front end, after causing tuyere medium sleeve body back segment cone to loosen with tuyere big sleeve leading portion inner cone, tuyere medium sleeve body 4 is removed outside blast furnace.
2. close tuyere medium sleeve body 4 and cool down water pipe valve, unload tuyere medium sleeve cooling water pipe 6, tuyere medium sleeve body 4 is removed blast-furnace body, and the pug simultaneously made with refractory material is filled in inside the blast furnace of tuyere big sleeve 1 front end, intercepts the coke in tuyere big sleeve 1 and air contact.
3. residue ferrum in tuyere big sleeve 1 is cleaned out.
4. after cleaning out, tuyere medium sleeve 4 to be replaced is stretched in tuyere big sleeve 1, put on right position, the inner cone of tuyere medium sleeve body back segment is made to be in close contact with the inner cone of tuyere big sleeve leading portion, tuyere medium sleeve body rear end face is clashed into iron rod, ensure that tuyere medium sleeve body contacts closely with tuyere big sleeve, it is prevented that blast-furnace hot-air leaks outside.
5. it is respectively mounted in 3 and overlaps depression bar 10, the short end hole of middle set depression bar 10 is enclosed within middle set gim peg 8, the long end of middle set depression bar 10 is withstood on inside the trisquare shape bulge-structure of middle set cushion block 17, urgent chock 9.
6. in connecting after jacket water pipe 6, open cooling water valve, cooling air port is overlapped body.
7. tuyere small sleeve 5 water flowing cooling are installed.
8. air intake belly pipe is installed.
Claims (3)
- null1. the tuyere medium sleeve that can prevent from upwarping，Composition includes tuyere medium sleeve body (4)、Front cap (20)、Dividing plate (21) and middle set depression bar (10)，Tuyere medium sleeve body (4) is hollow ring body，Middle set body rear end face is provided with middle set inlet opening (24) and middle set apopore (25)，Intake tunnel (22) is connected in inlet opening (24)，Zhong Tao backwater room (26) is connected in middle set apopore (25)，Annular baffle (21) it is provided with between front cap (20) and tuyere medium sleeve body (4)，It is Qian Mao volute chamber (23) between front cap (20) and annular baffle (21)，It is characterized in that，Middle set depression bar (10) is vertical bending structure，One end of bending is long end，Long end face tightening is on tuyere medium sleeve rear end face，The other end is short end，Short end is provided with through hole (19)，This through hole (19) is enclosed within middle set gim peg (8)，Middle set gim peg (8) is provided with cleat slot，Chock (9) is inserted in the cleat slot on middle set gim peg (8)，Middle set body (4) is held out against by middle set depression bar (10)；Middle set depression bar (10) is 2-5, is distributed on the circumference of middle set rear portion end face outer rim.
- 2. the tuyere medium sleeve preventing from upwarping according to claim 1, it is characterized in that: middle set depression bar (10) is 3, wherein set depression bar (10) is distributed at middle set rear portion end surface symmetric in 2, overlaps depression bar (10) and be arranged between set inlet opening (24) and middle set apopore (25) in another one；Cushion block (17) it is provided with between the long end face of middle set depression bar (10) and tuyere medium sleeve rear end face.
- 3. the tuyere medium sleeve preventing from upwarping according to claim 2, it is characterised in that: the edge of described cushion block is trisquare shape bulge-structure, and the long end face of each middle set depression bar (10) holds out against inside the trisquare shape structure of cushion block (17) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620122328.5U CN205368409U (en) | 2016-02-16 | 2016-02-16 | Overlap in wind gap that can prevent to upwarp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620122328.5U CN205368409U (en) | 2016-02-16 | 2016-02-16 | Overlap in wind gap that can prevent to upwarp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205368409U true CN205368409U (en) | 2016-07-06 |
Family
ID=56271802
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620122328.5U Expired - Fee Related CN205368409U (en) | 2016-02-16 | 2016-02-16 | Overlap in wind gap that can prevent to upwarp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205368409U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106435076A (en) * | 2016-09-18 | 2017-02-22 | 中冶华天南京工程技术有限公司 | Blast furnace tuyere equipment with pressing device and installation method thereof |
| CN109182632A (en) * | 2018-11-14 | 2019-01-11 | 马鞍山钢铁股份有限公司 | It is a kind of to can inhibit the blast-furnace tuyere and its tools and production method that middle set upwarps |
| CN111676339A (en) * | 2020-07-14 | 2020-09-18 | 中冶京诚工程技术有限公司 | Structure for preventing gas leakage from air port |
| CN114959142A (en) * | 2022-06-14 | 2022-08-30 | 安徽长江钢铁股份有限公司 | Jacking device for effectively preventing upward warping of blast furnace tuyere middle sleeve |
-
2016
- 2016-02-16 CN CN201620122328.5U patent/CN205368409U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106435076A (en) * | 2016-09-18 | 2017-02-22 | 中冶华天南京工程技术有限公司 | Blast furnace tuyere equipment with pressing device and installation method thereof |
| CN109182632A (en) * | 2018-11-14 | 2019-01-11 | 马鞍山钢铁股份有限公司 | It is a kind of to can inhibit the blast-furnace tuyere and its tools and production method that middle set upwarps |
| CN111676339A (en) * | 2020-07-14 | 2020-09-18 | 中冶京诚工程技术有限公司 | Structure for preventing gas leakage from air port |
| CN114959142A (en) * | 2022-06-14 | 2022-08-30 | 安徽长江钢铁股份有限公司 | Jacking device for effectively preventing upward warping of blast furnace tuyere middle sleeve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 067102 A block 520, Luanhe town finance square, Shuangluan District, Chengde, Hebei Patentee after: CHENGDE BRANCH OF HBIS Group Address before: 067102 Luanhe town finance square, Shuangluan District, Chengde, Hebei, Hebei iron and steel Limited by Share Ltd Chengde branch Patentee before: HEBEI IRON AND STEEL Co.,Ltd. CHENGDE BRANCH |
|
| CP03 | Change of name, title or address | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160706 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |