CN105509471B - A kind of abrasion-proof sintering wind box branch pipe and in lines mending method - Google Patents
A kind of abrasion-proof sintering wind box branch pipe and in lines mending method Download PDFInfo
- Publication number
- CN105509471B CN105509471B CN201510961994.8A CN201510961994A CN105509471B CN 105509471 B CN105509471 B CN 105509471B CN 201510961994 A CN201510961994 A CN 201510961994A CN 105509471 B CN105509471 B CN 105509471B
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- Prior art keywords
- branch pipe
- wind box
- abrasion
- box branch
- closed cavity
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B21/00—Open or uncovered sintering apparatus; Other heat-treatment apparatus of like construction
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D17/00—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases
- F27D17/001—Extraction of waste gases, collection of fumes and hoods used therefor
- F27D17/002—Details of the installations, e.g. fume conduits or seals
Abstract
The invention discloses a kind of abrasion-proof sintering wind box branch pipe and in lines mending method, it is characterised in that：Wind box branch pipe position easy to wear is provided with a closed cavity, there is skeleton (5) in closed cavity, also oriented closed cavity conveys perfusion high temperature resistant Sprouting resistance silica type adhesive sticker colloid (6) in the pipeline of colloid, closed cavity in closed cavity.Utilize the good characteristic of the soft ductility of adhesive sticker body, the phenomenon come off to prevent spraying abrasion-proof layer from being ftractureed because of pipe vibration occurs, the characteristics of using the persistent sticky of adhesive sticker body with easily supplement, realize and repair online, thoroughly solve the problems, such as wearing layer abrasion and service life.
Description
Technical field
The present invention relates to the production technology of the main furnace charge of blast furnace ironmaking, more particularly, to a kind of abrasion-proof sintering wind box branch pipe
And in lines mending method.
Background technology
Flue leaks out between sintering machine wind box and main exhauster, generally accounts for 10% or so of sintering machine main exhausting amount, this portion
Position generally existing leak out seriously, obstinate, high process energy consumption the problem of, though put into the progress leak stopping inspections of a large amount of manpower and materials
Repair, but new leak source is constantly produced and is absorbed in again among vicious circle, reason of searching to the bottom is the wear-resisting of wind box branch pipe and flue
Problem is not efficiently solved, and sintering deposit particle is washed away in wind box branch pipe and flue at a high speed because of the working condition of high negative pressure
Wall, the existing wear-resisting spray paint anti-vibration of inner-walls of duct, abrasion resistance can be taken into account, hydraulic performance decline, the lost of life, cause sintering
Machine air leakage rate cannot be controlled effectively, the green economy operation of serious restriction sintering machine.
Patent document 1 discloses a kind of conveyance conduit, by being provided with baffle-box, baffle-box between input pipe and efferent duct
The side-walls relative with input pipe be provided with bolster, bolster bears to wash away work from the ore pulp that input pipe flows into baffle-box
With thus, it is to avoid the abrasion of baffle-box, the service life of baffle-box is extended, so as to avoid conveyance conduit turning
Perforation leakage, it is ensured that the safe operation of whole piece pipeline.Buffered due to that can be changed in bolster serious wear by gathering hole
Part, so as to ensure that baffle-box is not worn, improves operation rate.Patent document 2 discloses that a kind of sintering wind box branch pipe
Protection structure, including hexsteel, mullite coating, steel plate outside branch pipe are fixed on, described hexsteel passes through anchoring piece
Branch tube outer surface is fixed on, described mullite coating is applied to outside branch pipe, and hexsteel is covered, described steel plate cloth
Put outside mullite coating, fastened between described steel plate, hexsteel and mullite coating by anchoring piece, according to
Upper technical scheme, after wind box branch pipe burns, the novel protected masonry construction has refractory material due to interior, there is steel plate outside, natural
Into a new branch pipe, refractory material intensity is high, and wearability is strong, and service life length is improved more than twice.The disclosure of patent document 3
A kind of sintering machine wind box arch section wear-resistant device, the device includes：Clamping plate (1), seal closure (2), sealing gasket (3), fastening
Bolt (4), board slot (5), wear-resisting rubber (6)；Clamping plate (1) is located at wear-resisting rubber both sides, and seal closure (2) is located on wear-resistant device
Layer, sets up on sintering machine wind box (8) in board slot (5), the steel tank set on wear-resisting rubber (6) insertion bellows, seal closure (2) and
Steel tank (5) fastening bolt (4) connection fastening.Advantage is, is effectively reduced sintering machine wind box especially bellows arc
Part wears degree, eliminates the restorative procedure using hardfacing alloy and grate, reduces reparation amount, saved dimension inspection and
Master Cost, extends sintering machine wind box service life.Patent document 4 discloses that a kind of sintering machine wind with Wear-resistant, high-temperature resistant liner plate
Case, including bellows body, it is characterised in that be provided with Wear-resistant, high-temperature resistant liner plate, this Wear-resistant, high-temperature resistant liner plate in the inwall of bellows body
Connecting hole is provided with, hexagon socket head cap screw is connected through this connecting hole with bellows body.Upper surface after hexagon socket head cap screw fastening
Less than the upper surface of Wear-resistant, high-temperature resistant liner plate.Wear-resistant, high-temperature resistant liner plate is Wear-resistant, high-temperature resistant ceramic lining plate.The present invention is simple in construction,
It is easy to maintain, the Wear-resistant, high-temperature resistant performance of bellows is enhanced, its service life is extended, reduces cost, economic effect is improved
Benefit.Any of the above disclosed technical scheme is mostly concentrated in the selection of hard wear-resistant material and the improvement of wind box branch pipe structure,
The selection of high temperature resistant colloidal materials, the method repaired online has no disclosure.
Prior art literature
Patent document 1：Chinese patent 201520459890.2
Patent document 2：Chinese patent 201320712336.1
Patent document 3：Chinese patent 200920222786.6
Patent document 4：Chinese patent 201120057786.2
The content of the invention
In order to overcome existing sinter machine bellows branch line and flue quick abrasion, the problem of air leak rate of air curtain is high improves sintering production
Economy, jumps out the vicious circle of frequent leak stopping, makes up the shortcomings and deficiencies that existing flue system wear-resistant process is present, invention one
Plant obvious simple and practical, easy to operate, effect, antivibration wear resistant, long-service life high-efficiency sintering wind box branch pipe and flue Wear-resistant Treatment
New method, solves industry problem, fills up field blank.
In order to solve the above technical problems, the present invention provides a kind of abrasion-proof sintering wind box branch pipe, it is characterised in that：In bellows branch
Pipe position easy to wear, which is provided with a closed cavity, closed cavity, skeleton 5, also oriented closed cavity in closed cavity
Convey perfusion high temperature resistant Sprouting resistance silica type adhesive sticker colloid 6 in the pipeline of colloid, closed cavity.
Preferably, skeleton 5 crimps the mesh stainless steel cloth 52 of screen cloth 51 and 30 by 2 mesh stainless steels and is bonded with high temperature resistant glue
Form, border is all glued, centre is glued at regular intervals.
Preferably, skeleton 5 can also be 30 mesh silica gel meshes.
Further, in wind box branch pipe inwall region easy to wear, at regular intervals, high temperature resistant glue is used, by thermostable fluorine
Silicon rubber block is pasted onto on inner-walls of duct or stainless steel support member is bonded or is welded on inner-walls of duct, then skeleton 5 is covered
Lid is bonded in thermostable fluorine silicon rubber block or bonding or is welded on stainless steel support member.
Further, the drilling of abrasion-proof sintering wind box branch pipe pipeline external, poling, soldering stainless steel short tube A2, straight through tube
Longitudinal stainless steel closed at both ends short tube B3 is simultaneously in wear-resisting cavity inside internal wear-resisting cavity and wind box branch pipe pipeline external, pipeline
With short tube A2 insertions, it is uniformly arranged on short tube B3 on multiple stainless steel branch pipe C4, pipeline external short tube A2 and matches somebody with somebody stop valve 1.
Further, resistance to height is irrigated to closed cavity by stop valve 1, short tube A2, short tube B3, branch pipe C4 using peristaltic pump
Warm Sprouting resistance silica type adhesive sticker colloid 6.
Further, a kind of abrasion-proof sintering wind box branch pipe is in lines mending method, it is characterised in that：Regularly, quantitatively using compacted
Dynamic pump is not done by stop valve 1, short tube A2, short tube B3, branch pipe C4 to closed cavity supplement perfusion high temperature resistant Sprouting resistance silica type
Micelle colloid 6.
It can be seen that, cardinal principle of the invention is：Between sintering machine wind box and flue collector, sintering deposit particle is from the lower height of bellows
Speed washes away wind box branch pipe and flue collector, and generation abrasion is especially easiest in the corner of wind box branch pipe to be caused to leak out.Tradition is wear-resisting
The restricted lifetime that spray paint anti-shake performance is poor and the particle of resistance to sintering deposit washes away.The present invention substitutes tradition with high temperature adhesive sticker body
Spray paint, fills adhesive sticker body at pipeline easily mill, using the good characteristic of the soft ductility of adhesive sticker body, to prevent spraying resistance to
Mill layer because pipe vibration cracking come off, using adhesive sticker body persistent sticky the characteristics of, absorption sintering deposit particle in colloid surface
Soft landing, " defeating a force with a tenderness " avoids very stiff and demanding abrasion wearing layer, and the characteristics of easily being supplemented using adhesive sticker body, realization is repaiied online
Mend, thoroughly solve the problems, such as wearing layer abrasion and service life.
Brief description of the drawings
The invention will be further described below in conjunction with the accompanying drawings：
Fig. 1 is existing sintering machine system wind box branch pipe position schematic diagram easy to wear.
Fig. 2 is structural representation of the invention.
Fig. 3 is composite wire expanded schematic diagram.
Fig. 4 is composite wire scheme of installation.
In Fig. 1-4,1：Stop valve；2：Short tube A；3：Short tube B；4：Branch pipe C；5：Skeleton；51：2 mesh stainless steels are crimped
Screen cloth；52：30 mesh stainless steel cloths；6：High temperature resistant Sprouting resistance silica type adhesive sticker colloid
Embodiment
In order to be best understood from structure of the present invention, function and effect, now with preferred embodiments below and with reference to accompanying drawing, carry out
Describe in detail.
Structure understands that wind box branch pipe, because the high speed of sintering deposit particle is washed away, is to wear and tear most strict in turning point as shown in Figure 1
Harmful place.
Such as Fig. 3, by 30 mesh stainless steel cloths with SL8303 (500 DEG C of high temperature resistant glue), 2 mesh stainless steels cotton ginning sieve is adhered to
On the net, border is all glued, and middle 10cm × 10cm intervals are glued, and is formed using 2 mesh stainless steels and is crimped screen cloth as skeleton, with steel
30 mesh stainless steel wire composite wires of property.
It is preferred that, skeleton 5 can also be 30 mesh silica gel meshes.
In wind box branch pipe inner-walls of duct region easy to wear, by 10cm × 10cm intervals, with SL8303 high temperature resistant glue, incite somebody to action
1cm2Thermostable fluorine silicon rubber block is pasted onto on inner-walls of duct or according to pipeline inner case by 1cm2Stainless steel support member bond or
It is welded on inner-walls of duct, composite wire is bent in wear-resisting boundary according to working condition, such as Fig. 4, then composite wire is covered
Lid is bonded in silicon rubber block or bonding or is welded on stainless steel support member, forms one with inner-walls of duct, sees Fig. 2.
In the corresponding pipeline external drilling of the wear-resisting cavity of wind box branch pipe, poling, the welding stainless steel short tube A2 of Ф 10, through tube
Wear-resisting cavity and wind box branch pipe pipeline external inside road, then in the longitudinal stainless steel closed at both ends of Ф 10 in wear-resisting cavity inside pipeline
Short tube B3 and and short tube A2 insertions, the stainless steel branch pipe C4 of Ф 6 are set every 20cm on short tube B3, make branch pipe C4 as short tube B3
Branch and extension, stop valve 1 is matched somebody with somebody on the short tube A2 of pipeline external Ф 10, stop valve 1, short tube A2, short is passed through using peristaltic pump
Pipe B3, branch pipe C4 irrigate high temperature resistant Sprouting resistance silica type adhesive sticker colloid 6 to closed cavity, and colloidal volume measures cavity volume
1.5 times, colloid is slowly full of after cavity, continue uniformly excessive through 30 mesh silk screen grids, progressively fill 2 mesh sieve net surfaces,
Colloid thickness ultimately forms the adhesive sticker colloid wear-resistant coating using 2 eye mesh screens as skeleton in 0.5 cm, referring to Fig. 2, figure
4。
Abrasion-proof sintering wind box branch pipe is in lines mending method：By the control access sintering computer control system of peristaltic pump
In, using 0.01 times of cavity as volume unit, with 24 hours for chronomere, according to operating condition of sintering machine condition, timely and appropriate discovery adjustment
Colloid magnitude of recruitment, original magnitude of recruitment is arranged to 1 unit/every 24 hours.
Implementation result：
A：Prevent spraying abrasion-proof layer cracking from coming off, realize online repairing, thoroughly solve wearing layer abrasion and service life is asked
Topic.
B：Using abrasion-proof sintering wind box branch pipe and in lines mending method, sintering machine wind box will be greatly decreased between main exhauster
Air leak rate of air curtain, while the cost of overhaul that leaks out is greatly decreased with more than 80%.
C：Direct economic benefit, is carried out after Wear-resistant Treatment by new method to wind box branch pipe and flue, will reduce by 10%
Air leakage rate of sintering machine, with 300m2Exemplified by sintering machine, yuan/year of benefit 1,530,000 can be obtained by the reduction of main exhauster electricity.
330kw/h × December × 2 × (1- (1-10%)1/3Yuan/year of) × 0.56 yuan=1,530,000
Above-described is only the preferred embodiment of the present invention, it is noted that for one of ordinary skill in the art
For, without departing from the concept of the premise of the invention, various modifications and improvements can be made, these belong to the present invention
Protection domain.
Claims (7)
1. a kind of abrasion-proof sintering wind box branch pipe, it is characterised in that：Wind box branch pipe position easy to wear is provided with a closing chamber
Have in body, closed cavity in the pipeline of also oriented closed cavity conveying colloid in skeleton (5), closed cavity, closed cavity and fill
Note high temperature resistant Sprouting resistance silica type adhesive sticker colloid (6).
2. a kind of abrasion-proof sintering wind box branch pipe according to claim 1, it is characterised in that：Skeleton (5) is by 2 mesh stainless steels
Cotton ginning screen cloth (51) and 30 mesh stainless steel cloths (52) are formed with high temperature resistant glue bonding, and border is all glued, and centre is by certain
It is glued at interval.
3. a kind of abrasion-proof sintering wind box branch pipe according to claim 1, it is characterised in that：Skeleton (5) is 30 mesh silica gel
Net.
4. a kind of abrasion-proof sintering wind box branch pipe according to Claims 2 or 3, it is characterised in that：It is easy in wind box branch pipe inwall
Eroded area, at regular intervals, uses high temperature resistant glue, thermostable fluorine silicon rubber block is pasted onto on inner-walls of duct or by stainless steel
Support member bond or be welded on inner-walls of duct, then by skeleton (5) covering be bonded in thermostable fluorine silicon rubber block or bonding or
It is welded on stainless steel support member.
5. a kind of abrasion-proof sintering wind box branch pipe according to claim 4, it is characterised in that：Abrasion-proof sintering wind box branch pipe pipeline
Wear-resisting cavity and wind box branch pipe pipeline external, pipeline inside outside drilling, poling, soldering stainless steel short tube A (2), straight through tube
In internal wear-resisting cavity longitudinal stainless steel closed at both ends short tube B (3) and with short tube A (2) insertion, be uniformly arranged on short tube B (3)
Match somebody with somebody stop valve (1) on multiple stainless steel branch pipe C (4), pipeline external short tube A (2).
6. a kind of abrasion-proof sintering wind box branch pipe according to claim 5, it is characterised in that：Pass through stop valve using peristaltic pump
(1), short tube A (2), short tube B (3), branch pipe C (4) irrigate high temperature resistant Sprouting resistance silica type adhesive sticker colloid (6) to closed cavity.
7. a kind of abrasion-proof sintering wind box branch pipe according to claim 6 is in lines mending method, it is characterised in that：Regularly, it is fixed
Amount irrigates high temperature resistant by stop valve (1), short tube A (2), short tube B (3), branch pipe C (4) using peristaltic pump to closed cavity supplement
Sprouting resistance silica type adhesive sticker colloid (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510961994.8A CN105509471B (en) | 2015-12-17 | 2015-12-17 | A kind of abrasion-proof sintering wind box branch pipe and in lines mending method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510961994.8A CN105509471B (en) | 2015-12-17 | 2015-12-17 | A kind of abrasion-proof sintering wind box branch pipe and in lines mending method |
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| Publication Number | Publication Date |
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| CN105509471A CN105509471A (en) | 2016-04-20 |
| CN105509471B true CN105509471B (en) | 2017-08-22 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108058792B (en) * | 2016-08-24 | 2020-05-29 | 泰州三福船舶工程有限公司 | High boats and ships bottom plate protector of security |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2272517Y (en) * | 1996-09-17 | 1998-01-14 | 钱兵 | Wearing-resisting diffusion pipe for slag discharging |
| CN2585008Y (en) * | 2002-06-11 | 2003-11-05 | 中冶集团长沙冶金设计研究总院 | Wear-resisting bend |
| JP2010144808A (en) * | 2008-12-17 | 2010-07-01 | Kanaflex Corporation | Flexible pressure resistance-wearproof hose |
| CN202195215U (en) * | 2011-07-22 | 2012-04-18 | 江苏亿金环保科技股份有限公司 | Wearable three-way pipeline |
| CN203586798U (en) * | 2013-11-13 | 2014-05-07 | 河南省宏达炉业有限公司 | Sintering machine air box branch pipe protecting structure |
-
2015
- 2015-12-17 CN CN201510961994.8A patent/CN105509471B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2272517Y (en) * | 1996-09-17 | 1998-01-14 | 钱兵 | Wearing-resisting diffusion pipe for slag discharging |
| CN2585008Y (en) * | 2002-06-11 | 2003-11-05 | 中冶集团长沙冶金设计研究总院 | Wear-resisting bend |
| JP2010144808A (en) * | 2008-12-17 | 2010-07-01 | Kanaflex Corporation | Flexible pressure resistance-wearproof hose |
| CN202195215U (en) * | 2011-07-22 | 2012-04-18 | 江苏亿金环保科技股份有限公司 | Wearable three-way pipeline |
| CN203586798U (en) * | 2013-11-13 | 2014-05-07 | 河南省宏达炉业有限公司 | Sintering machine air box branch pipe protecting structure |
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| CN105509471A (en) | 2016-04-20 |
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