CN205839050U - A kind of blast furnace copper cooling stave soft water system cooling water pipe prosthetic device - Google Patents
A kind of blast furnace copper cooling stave soft water system cooling water pipe prosthetic device Download PDFInfo
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- CN205839050U CN205839050U CN201620766564.0U CN201620766564U CN205839050U CN 205839050 U CN205839050 U CN 205839050U CN 201620766564 U CN201620766564 U CN 201620766564U CN 205839050 U CN205839050 U CN 205839050U
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Abstract
The utility model discloses a kind of blast furnace copper cooling stave soft water system cooling water pipe prosthetic device, belong to blast furnace production technical field.Blast furnace copper cooling stave soft water system cooling water pipe prosthetic device of the present utility model, including damaged cooling water pipe and the cooling water inlet end on damaged cooling water pipe top and the cooling water outlet end of bottom；The two ends of described damaged cooling water pipe and cooling water inlet end, cooling water outlet end all stretch out outside the last furnace shell of cooling wall；Described cooling water inlet end is connected by external cooling tube after folding with outside cooling water outlet end, is installed with metal hose in described damaged cooling water pipe, and described metal hose outer tube wall is fixed with steel screen layer；Metal hose two ends external water inlet pipe and outlet pipe respectively.This utility model improves the intensity of metal hose, uses pressure and tensile force, it is to avoid secondary or repeat poling, reduces siphunculus cost；And, improve the service life of metal hose, it is not necessary to change metal hose frequently.
Description
Technical field
This utility model relates to blast furnace production technical field, particularly relates to a kind of blast furnace copper cooling stave soft water system
System cooling water pipe prosthetic device.
Background technology
Blast furnace copper cooling stave seepy question annoyings domestic each big small furnace always.Once leaking, it is stable to directly affect blast furnace
Direct motion.And the method not had solves seepy question, if dealing with improperly, may result in copper cooling wall and damaging aggravation.Force
Blast furnace is repaiied in shifting to an earlier date, even overhaul.Therefore, solve seepy question and become the key that current blast fumance index optimizes further.
Most of processing methods that domestic blast furnace copper cooling stave leaks are divided into two kinds:
One is that soft water switches to industry water, controls the inflow of industry water, thus controls the water yield draining in stove, it is impossible to
Solve the root problem leaked.Continuing if leaked to expand or serious, the cooling wall water pipe that will leak splits and is in the milk, so
The progress that cooling wall damages can be accelerated.
Two is to carry out wearing metal hose to the copper cooling wall water pipe leaked.It is passed through industry water or soft water after poling, then gives
It is in the milk between metal hose and the raw water tubes worn, thus recovers copper cooling wall refrigerating function.This more advanced, permissible
Stop water and enter in stove, provide optimum condition for operation in stove, and the use longevity of copper cooling wall can be extended to greatest extent
Life.But this method causes former damaged cooling tube internal friction resistance relatively big owing to leaking, and metal hose quality is soft, easily exists
During poling damaged, need repeat poling, cause cost higher.
Chinese patent publication No. CN102534078A, the patent documentation of publication date: 2012.07.04 discloses a kind of blast furnace
Cooling wall cooling water pipe replacement method, disconnects breakage cooling water pipe with front and rear part cooling water pipe, by external water pipe again by front
Rear cooling water pipe connects, and makes cooling water cross damaged cooling water pipe and direct circulation.In damaged cooling water pipe, penetrate one simultaneously
Root metal hose, metal hose is connected on the replacement cooling water pipe that communicates with external water source by the seamless steel pipe at two ends, makes
Cooling water in metal hose has independently formed a path, continues to realize refrigerating function.This invention is not affecting other coolings
In the case of the normal water flowing cooling of water pipe, it is achieved that the quick replacement of damaged cooling water pipe, eliminate and leak in blast furnace now
As, it is to avoid furnace temperature declines the coke ratio caused and rises problem, has recovered to damage the refrigerating function of cooling water pipe, it is ensured that cooling wall
Cooling effect, and the service life of cooling wall can be extended.Although the method has recovered to damage the refrigerating function of cooling water pipe,
Metal hose and bypass pipe water source can not synchronize and same flow, and the life-span of metal hose there is no guarantee that, causes Local cooling effect
The service life of blast furnace cooling stave is have impact on the unbalanced of periphery cooling effect.
Utility model content
1. utility model to solve the technical problem that
Local cooling effect and periphery cooling effect is caused for the reparation of leaking of blast furnace copper cooling stave present in prior art
Fruit unbalanced and have impact on the service life of blast furnace copper cooling stave, problem that rehabilitation cost is high, this utility model provides one
Plant blast furnace copper cooling stave soft water system cooling water pipe prosthetic device.It can realize nothing local after low cost reparation and reparation
The purpose of inhomogeneous cooling weighing apparatus.
2. technical scheme
For reaching above-mentioned purpose, the technical scheme that this utility model provides is:
A kind of blast furnace copper cooling stave soft water system cooling water pipe prosthetic device, including damaged cooling water pipe and breakage
The cooling water inlet end on cooling water pipe top and the cooling water outlet end of bottom；The two ends of described damaged cooling water pipe and cooling water inlet
End, cooling water outlet end all stretch out outside the last furnace shell of cooling wall；By outward after folding outside described cooling water inlet end and cooling water outlet end
Connecing cooling tube connection, be installed with metal hose in described damaged cooling water pipe, described metal hose outer tube wall is fixed with steel screen layer,
Improve the intensity of metal hose, use pressure and tensile force, it is to avoid secondary or repeat poling, reduce siphunculus cost；And
And, improve the service life of metal hose, it is not necessary to change metal hose frequently；Metal hose two ends external water inlet pipe respectively
And outlet pipe.
Preferably, fill the high heat conduction grout blanket of resistance to material in the gap that described metal hose and damaged cooling water pipe are formed, rise
To fixing metal hose and the effect of conduction heat, the external part at damaged cooling water pipe two ends has venthole and mud jacking
Mouthful, and sealing both ends annular mouth, mud jacking mouth and the mating reaction of venthole, allow making beating work more smoothly with uniform, it is to avoid making beating
Time slurry is internal produces being uniformly distributed of unnecessary aeration slurry.
Preferably, the external part port at described metal hose two ends is connect by 2 pipes respectively and connects with 2 seamless link pipes
After, 2 seamless link pipes connect with external cooling tube again, form external water inlet pipe and outlet pipe, allow cooling current synchronize to carry out,
Improve the synchronicity of cooling effect.
Preferably, the external cooling tube between water inlet pipe and outlet pipe arranges water valve, when needing to synchronize, close water
Valve, it is not necessary to during synchronization, opens water valve, and simple to operate, motility is strong.
Preferably, connect on external cooling tube top and have the valvular bypass pipe of band, play the work of regulation cooling water flow
With, increase the water speed flowing to metal hose, compensate the unbalanced cooling effect caused less than former cooling tube due to caliber, near and
The service life avoiding Local cooling wall different due to cooling effect and to produce the different changes expanded with heat and contract with cold and affect blast furnace；
Described seamless link pipe connects the two ends with metal hose by pipe and connects, and seals the outer bending tube being fixed on damaged cooling water pipe
On, pipe connects and both plays connection metal hose and the effect of seamless link pipe, also acts as the effect sealing slurry.
Preferably, described metal hose is corrugated hose, easy bending, and intensity is big, high temperature resistant, it is not easy to damage；Described
The fire-resistant grouting material of high heat conduction is carbonaceous heat conduction material, and heat conductivity is strong, and fineness is little, allow mud jacking mouth and venthole mating reaction more
Adding notable, heat conduction material is easily accessible and is wrapped in uniformly the steel screen layer gap of corrugated hose, and, after being heated, slightly
Expansion after and the steel screen layer of corrugated hose be tightly combined, thus heat fixation is effective；Described cooling water inlet end, cool down out
Water end (W.E.) and the Jun Waizhe right angle, two ends of damaged cooling water pipe, facilitate external pipe and location, and has curve transition at folding outside.
Preferably, to be 1～5 strand of steel wire by wound form wire knitting machine be woven into described steel screen layer netted is wrapped in gold
Belonging to flexible pipe periphery wall, wound form is fixed, uniform to the fixed effect of corrugated hose, and fixing adhesive force is strong, and energy and corrugated are soft
Pipe combines together；Corresponding steel wire number of share of stock is selected according to corrugated hose diameter and cooling wall working condition.
A kind of renovation technique of blast furnace copper cooling stave soft water system cooling water pipe prosthetic device, step is:
Step one, suppress and look for leakage: suppress equipment with leak detection and the cooling wall water pipe of every layer of blast furnace is suppressed, find leakage
Point；
Step 2, damaged cooling water pipe block: after confirming leakage point, close the inlet valve of this leakage point, and leaking
Point block reserved one section of damaged cooling water pipe including this leakage point up and down；
Step 3, leak source bypass: will roll over outside the cooling water inlet end on damaged cooling water pipe top and the cooling water outlet end of bottom
After, will cooling water inlet end and cooling water outlet end bypass by external cooling tube；
Step 4, the threading of damaged cooling water pipe: by rolling over outside the two ends of damaged cooling water pipe, with being slightly less than the soft of caliber
Wooden shot or iron sheet ball are connected to flexible cord, and the other end of flexible cord is fixed, and the soft wooden shot connected or iron sheet bulb stopper enter damaged cooling
Water pipe, then accesses compressed air, soft wooden shot or iron sheet ball is blown into from the upper end of damaged cooling water pipe by compressed air, by
Lower end blows out, thus by flexible cord through damaged cooling water pipe；
Step 5, damaged cooling water pipe wear silk: utilize flexible cord again by iron wire through damaged cooling water pipe；
Step 6, the poling of damaged cooling water pipe: utilizing iron wire that caliber is slightly less than damaged cooling water pipe, outer tube wall is fixed
There is the metal hose of steel screen layer through damaged cooling water pipe；
Step 7, external water source: by the two ends of metal hose external water inlet pipe and outlet pipe respectively.
By soft wooden shot or iron sheet ball and compressed-air actuated cooperation, being passed by lead-in wire, soft wooden shot or iron sheet ball are smaller
In caliber, both played the effect maximized to sphere pressure of compressed air air pressure, moreover it is possible to play due to the impurity penetrated into that leaks
The effect taken out of, during poling, the resistance of metal hose greatly reduces, it is to avoid secondary or repeat poling, reduces siphunculus cost；
Preferably, step 8, grouting are also included: by the mud jacking mouth offered at the external part of damaged cooling water pipe toward metal
Space between flexible pipe and damaged cooling water pipe charges the fire-resistant grouting material of high heat conduction, and sealing both ends annular mouth；In step 6,
Steel screen layer is that 1～5 strand of steel wire is woven into the netted metal hose periphery wall that is wrapped in, and one end by wound form wire knitting machine
More than when having a winding in the steel wire surplus gradually closed up, be pagoda shape when straining with iron wire, it is simple to through damaged old water pipe, and meet
When foreign body hinders, the biggest hose strength of pulling force is the highest, after iron wire and steel wire surplus connect, metal hose passes damaged cooling water
Pipe, the setting of steel wire surplus, greatly facilitate the carrying out of poling, and, in the shape that gradually closes up, buffer damaged cooling water pipe
Impact to corrugated hose, can guarantee that the duplication of labour is avoided in the success of the disposable poling of the corrugated hose with steel screen layer
With raising poling cost, after poling completes, directly wipe out surplus, easy to operate；And, and soft wooden shot or iron sheet ball pair
The cleaning effect of pipeline is worked in coordination with, and allows poling work be more prone to；Efficiently solve blast furnace cooling stave leak reparation cause local the coldest
But effect and periphery cooling effect unbalanced and have impact on the service life of blast furnace cooling stave, problem that rehabilitation cost is high.Soft
Line is nylon wire, and nylon wire is big relative to other flexible cord intensity, and curvature performance is good.
Preferably, described step one is suppressed the method looked for leakage and is:
After A, damping down, produce the three-way valve closing one layer of cooling water pipe of cooling wall to be suppressed, and the entering of cooling wall top layer
Water valve；
Slip spade in B, cooling wall water pipe between every two-layer of cooling wall N shell to cooling wall top layer, each blind plate
Before being inserted in air bleeding valve；
C, confirm blind plate weld seam one enclose full weld after, suppress flexible pipe respectively with following which floor air bleeding valve connect；
1) air bleeding valve with cooling wall N shell～cooling wall N+1 layer is connected, and suppresses cooling wall one layer～cooling wall N+1 layer
Cooling wall water pipe；
2) air bleeding valve with cooling wall N+1 layer～cooling wall N+2 layer is connected, and suppresses the cooling wall water pipe of cooling wall N+2 layer；
3) air bleeding valve with cooling wall N+2 layer～cooling wall N+3 layer is connected, and suppresses the cooling wall water pipe of cooling wall N+3 layer；
4) air bleeding valve with cooling wall N+3 layer～cooling wall top layer is connected, and suppresses the cooling wall water pipe of cooling wall top layer；
D, confirm to suppress after water pipe all connects, check joint and suppress flexible pipe without leaking, after inspection, simultaneously to cold
But the cooling wall water pipe of wall 1～N+1 layer, N+2 layer, N+3 layer and top layer is suppressed；
1) if 1～N+1 layer cooling wall water pipe leaks, wouldn't process, cooling water switches to industry water；
2) if N+2 layer cooling wall water pipe leaks, N+2 layer is split；
3) if N+3 layer cooling wall water pipe leaks, N+3 layer is split；
4) if top layer cooling wall water pipe leaks, top layer is split.
Whole suppressing looks for method leakage easily to operate, leak source accurate positioning；Owing to blast furnace high level belongs to high-temperature region, cool down water
Pipe easily produces leak source, and 1 to N shell belongs to relatively low warm area, typically will not produce leak source, when 1 to N shell produces leak source, and phase
For high-temperature region, it is easier to process and use otherwise processed；Cooling water switches to the purpose of industry water to be to avoid cooling
Excessively the running off and affect the operation of other cooling water pipe of water, the cooling water system of blast furnace is the system of relative closure, runs off
How can affect the cooling effect of other cooling water pipe；And save the spare part of pressuring pump and the cost of maintenance, most importantly
In shortest time, judge which layer cooling wall leaks the most accurately, thus the repair time can be saved, when shortening blast furnace staying
Between, improve index and the operating rate of blast furnace.
3. beneficial effect
The technical scheme using this utility model to provide, compared with prior art, has the advantages that
(1) a kind of blast furnace copper cooling stave soft water system cooling water pipe prosthetic device of the present utility model, steel screen layer
Setting, improve the intensity of metal hose, use pressure and tensile force, it is to avoid secondary or repeat poling, reduce siphunculus
Cost；And, improve the service life of metal hose, it is not necessary to change metal hose frequently；
(2) a kind of blast furnace copper cooling stave soft water system cooling water pipe prosthetic device of the present utility model, high heat conduction is resistance to
Fire grouting material injects space and forms the high heat conduction grout blanket of resistance to material, plays fixing metal hose and the effect of conduction heat, mud jacking mouth
With the mating reaction of venthole, allow making beating work more smoothly with uniform, it is to avoid during making beating, slurry is internal produces unnecessary bubble
Affect being uniformly distributed of slurry；
(3) a kind of blast furnace copper cooling stave soft water system cooling water pipe prosthetic device of the present utility model, metal hose
Two ends by seamless link pipe connect external cooling tube, allow cooling current synchronize carry out, improve cooling effect synchronicity；
(4) a kind of blast furnace copper cooling stave soft water system cooling water pipe prosthetic device of the present utility model, at water inlet pipe
And on the external cooling tube between outlet pipe, water valve is set, when needing to synchronize, close water valve, it is not necessary to during synchronization, open water valve, behaviour
Making simple, motility is strong；
(5) a kind of blast furnace copper cooling stave soft water system cooling water pipe prosthetic device of the present utility model, bypass pipe and
Its valve, plays the effect of regulation cooling water flow, increases the water speed flowing to metal hose, compensates owing to caliber is less than former cooling
The unbalanced cooling effect that pipe causes, closely avoids Local cooling wall to produce different flatulence of heat types due to cooling effect difference cold
Contracting change and affect the service life of blast furnace；Pipe connects and both plays connection metal hose and the effect of seamless link pipe, also acts as
Seal the effect of slurry；
(6) a kind of blast furnace copper cooling stave soft water system cooling water pipe prosthetic device of the present utility model, corrugated is soft
Managing easy bending, intensity is big, high temperature resistant, it is not easy to damage；Carbonaceous heat conduction material heat conductivity is strong, and fineness is little, allows mud jacking mouth and goes out
The mating reaction of pore is more significantly, and heat conduction material is easily accessible the steel screen layer gap of corrugated hose, and, after being heated, gently
After micro-expansion, the steel screen layer with corrugated hose is tightly combined, thus heat fixation is effective；Cooling water inlet end, cooling water outlet
End and the Jun Waizhe right angle, two ends of damaged cooling water pipe, facilitate external pipe and location；
(7) a kind of blast furnace copper cooling stave soft water system cooling water pipe prosthetic device of the present utility model, steel screen layer
To be 1～5 strand of steel wire by wound form wire knitting machine be woven into netted is wrapped in metal hose periphery wall, and wound form is fixed, right
The fixed effect of corrugated hose is uniform, and fixing adhesive force is strong, can combine together with corrugated hose；Straight according to corrugated hose
Footpath and cooling wall working condition select corresponding steel wire number of share of stock；
(8) the reparation work of a kind of blast furnace copper cooling stave soft water system cooling water pipe prosthetic device of the present utility model
Skill, by soft wooden shot or iron sheet ball and compressed-air actuated cooperation, passes lead-in wire, and soft wooden shot or iron sheet ball are slightly less than pipe
Footpath, had both played the effect maximized to sphere pressure of compressed air air pressure, moreover it is possible to plays and will take out of due to the impurity penetrated into that leaks
Effect, during poling, the resistance of metal hose greatly reduces, it is to avoid secondary or repeat poling, reduces siphunculus cost；Nylon
Line is big relative to other flexible cord intensity, and curvature performance is good；
(9) the reparation work of a kind of blast furnace copper cooling stave soft water system cooling water pipe prosthetic device of the present utility model
Skill, the setting of steel wire surplus, greatly facilitate the carrying out of poling, and, in the shape that gradually closes up, buffer damaged cooling water pipe
Impact to corrugated hose, it is simple to through damaged old water pipe, and when meeting foreign body obstruction, the biggest hose strength of pulling force is the highest, can protect
Demonstrate,proving and avoid the duplication of labour with the corrugated hose disposable poling success of steel screen layer and improve poling cost, poling completes
After, directly wipe out surplus, easy to operate；And, and the cleaning effect of pipeline worked in coordination with by soft wooden shot or iron sheet ball, allows and wears
Pipe work is more prone to；Efficiently solve blast furnace cooling stave leak reparation cause Local cooling effect and periphery cooling effect not
Equilibrium and have impact on the service life of blast furnace cooling stave, problem that rehabilitation cost is high；
(10) the reparation work of a kind of blast furnace copper cooling stave soft water system cooling water pipe prosthetic device of the present utility model
Skill, suppresses and looks for method leakage easily to operate, leak source accurate positioning；Owing to blast furnace high level belongs to high-temperature region, cooling water pipe easily produces
Raw leak source, and 1 to N shell belongs to relatively low warm area, typically will not produce leak source, when 1 to N shell produces leak source, relative to high temperature
District, is easier to process and use otherwise processed；Cooling water switches to the purpose of industry water to be to avoid cooling down the excessive of water
Running off and affect the operation of other cooling water pipe, the cooling water system of blast furnace is the system of relative closure, runs off and too much can affect
The cooling effect of other cooling water pipe；And save the spare part of pressuring pump and the cost of maintenance, most importantly can be the shortest
In time, judge which layer cooling wall leaks the most accurately, thus save the repair time, shorten the blast furnace staying time, improve
The index of blast furnace and operating rate.
Accompanying drawing explanation
Fig. 1 cooling wall cooling water pipe scattergram；
Fig. 2 is the structural representation of blast furnace copper cooling stave soft water system cooling water pipe prosthetic device of the present utility model
Figure；
Fig. 3 is the signal suppressing leak finding device of a kind of cooling water pipe of cooling wall of blast furnace renovation technique of the present utility model
Figure；
Fig. 4 is the structural representation of metal hose of the present utility model.
Label declaration in schematic diagram: 1, cooling water inlet end；2, cooling water outlet end；3, damaged cooling water pipe；4, metal is soft
Pipe；5, the high heat conduction grout blanket of resistance to material；6, external cooling tube；7, seamless link pipe；8, bypass pipe；9, pipe connects；10, cooling wall；11、
Main water bag；12, connecting tube；13, Fen Shuibao；14, hard tube is connected；15, blind plate；16, air bleeding valve；17, Pressure gauge；18, water intaking valve；
19, three-way valve；20, flexible pipe is suppressed；21, cooling wall one layer；22, cooling wall N shell；23, cooling wall N+1 layer；24, cooling wall N+2
Layer；25, cooling wall N+3 layer；26, cooling wall top layer；30, cooling wall water pipe；31, external part；41, steel screen layer；42, more than steel wire
Amount；61, water valve；311, venthole；312, mud jacking mouth.
Detailed description of the invention
For further appreciating that content of the present utility model, in conjunction with accompanying drawing, this utility model is described in detail.
ф 73 × 6: represent caliber 73mm, length 6m, other similar data structure expression of the same race.
Embodiment 1
One 4000m of certain steel plant3Blast furnace is lighted a fire respectively in February, 2005 and May and is gone into operation so far, produces and is constantly in surely
Determine Effec-tive Function, but find that cooling wall exists damage in various degree from the beginning of this year, by investigating in the middle part of current A blast-furnace shaft
Tri-times straight-through cooling water pipes of 8B, 20D, 57A leak, and the most at least three pieces of cooling walls exist drainage.More than 12 layers of A blast furnace is cold
But wall water pipe structure is as it is shown in figure 1, every piece of cooling wall has 4 water pipes, is respectively labeled as A, B, C, D.8B represents the 8th piece of cooling wall
No. B pipe, remainder is analogized.
In view of conventional experience, once there is this damaged condition in blast-furnace body cooling device, blast-furnace body cooling device
Rate of decay will be more and more faster；Blast furnace just comes into furnace retaining and protects the product stage.
According to current production status, for ensureing normal production, extension device uses the cycle, and product side is protected in surely following maintenance of drawing up
Case:
One, prepare before maintenance
1), first blast furnace cooling stave soft water must be separated investigation, substantially judge at 13～14 layers at present.
2), prepare leak detection and suppress equipment, high-pressure pump, metal hose, snap joint, installation 0～5Mpa on metal hose
Pressure gauge.
3), periodical repair time, water inlet/outlet pipe of cooling wall must first be cut off the water by equipment, and cooling water pipe is suppressed by maintainer's tissue
Experiment, it may be judged whether leak.If without leaking, recover cooling tube, supply water as early as possible.
Two, according to suppressing the leakage point that experiment detects, below scheme is used to overhaul:
1), the cooling wall soft water Inlet and outlet water of leakage point at this is disconnected, lower floor's cooling water outlet end and last layer water inlet pipe
UNICOM, original design use cooling caliber is ф 73 × 6, then the selection of soft water external cooling tube 6 is ф 76 × 6 seamless steel pipe, inwall
Need pickling processes.One DN65～the manual ball valve of 25 are installed in the middle of external cooling tube 6；3m length is pressed in advance according to figure paper size
One section of blanking, 90 ° of two quarter bend is excessive, and short tube long 1.5m in two prepares some standby.Pipeline be connected by ф 89 × 6～
The sleeve pipe welding of 40.
2), the water supply of the cooling wall that leaks, use 28.5 meters of platform spraying cooling in late period endless tubes, caliber ф 273 × 10, upper pre-
Filling the seamless steel pipe short tube of some groups of ф 60 × 5, middle installation DN50～25 manual ball valves are controlled, and ф 60 short tube is directly inserted
Entering to leak in cooling wall water inlet pipe, pipeline is connected by the sleeve pipe welding of ф 76 × 6～40.
3), the water outlet of the cooling wall that leaks, use ф 60 × 3.5 seamless steel pipe, from 28.5 meters of platforms all the way up to 36 meters
Platform, introduces platform southwest, two, northeast water leg nearby by water outlet；Separately the water outlet at cooling wall installs air bleeding valve.
4), for the ease of maintenance in the future and operation, at 28.5 meters of platform spraying cooling in late period endless tube caliber ф 273 × 10
Bottom install DN150 blowoff valve, each 1 of south, north, totally 2.
Three, leak cooling wall poling
If 57A water pipe breakage is leaked relatively big, use a kind of blast furnace copper cooling stave soft water of the present embodiment
System cooling water pipe prosthetic device, as in figure 2 it is shown, include that the cooling on damaged cooling water pipe 3 and damaged cooling water pipe 3 top is entered
The cooling water outlet end 2 of water end (W.E.) 1 and bottom；The two ends of described damaged cooling water pipe 3 and cooling water inlet end 1, cooling water outlet end 2 are all stretched
Go out the last furnace shell outer 10 of cooling wall；Connected by external cooling tube 6 after described cooling water inlet end 1 folding outer with cooling water outlet end 2,
Being installed with metal hose 4 in described damaged cooling water pipe 3, described metal hose 4 outer tube wall is fixed with steel screen layer 41, improves gold
Belong to the intensity of flexible pipe, use pressure and tensile force, it is to avoid secondary or repeat poling, reduce siphunculus cost；And, improve
The service life of metal hose, it is not necessary to change metal hose frequently；Metal hose 4 two ends external water inlet pipe and water outlet respectively
Pipe.
A kind of renovation technique of the blast furnace copper cooling stave soft water system cooling water pipe prosthetic device of the present embodiment, step
For:
Step one, damaged cooling water pipe block: after confirming leakage point, close the inlet valve of this leakage point, it is to avoid cooling
Water excessively runs off and affects the operation of other cooling tube；And blocking reserved a section up and down and include the broken of this leakage point at leakage point
Damage cooling water pipe 3, as the carrier wearing metal hose；
Step 2, leak source bypass: by outside the cooling water inlet end 1 on damaged cooling water pipe 3 top and the cooling water outlet end 2 of bottom
After folding, by external cooling tube 6, cooling water inlet end 1 and cooling water outlet end 2 are bypassed, thus do not affect the cooling wall outside leak source
Cooling；
Step 3, the threading of damaged cooling water pipe: will roll over outside the two ends of the damaged cooling water pipe 3 of ф 73, soft with ф 70
Matter wooden shot or iron sheet ball are connected to flexible cord, and the other end of flexible cord is fixed, and the soft wooden shot connected or iron sheet bulb stopper are entered damaged cold
But water pipe 3, then access compressed air, soft wooden shot or iron sheet ball are blown from the upper end of damaged cooling water pipe 3 by compressed air
Enter, lower end blow out, thus by flexible cord through damaged cooling water pipe 3；The effect of impurity in playing lead-in wire and clearing up pipeline, in order to
Cleaning thoroughly, can be repeated several times blow pressure, it is also possible to arranges tangent line shovel on spheroid radial line, is cleaned out by impurity；Flexible cord is to soft
The resistance of matter wooden shot or iron sheet ball is little, avoids the line resistance harmful effect to lead-in wire as far as possible；
Step 4, damaged cooling water pipe wear silk: utilize flexible cord again by iron wire through damaged cooling water pipe 3；Iron wire intensity
More than flexible cord, twice lead-in wire, wire strength is ascending, and twice lead-in wire can be successful, it is to avoid the excessive duplication of labour；
Step 5, the poling of damaged cooling water pipe: utilize iron wire by the metal hose 4 of caliber ф 50 through breakage cooling water
Pipe 3, outer tube wall is fixed with the metal hose 4 of steel screen layer 41 through damaged cooling water pipe 3；Iron wire intensity is big, can be soft by metal
Pipe 4 pulls out and will not disconnect；
Step 6, external water source: by the two ends of metal hose 4 external water inlet pipe and outlet pipe respectively, thus play former
The cooling effect of leak source cooling wall.
Embodiment 2
A kind of blast furnace copper cooling stave soft water system cooling water pipe prosthetic device of the present embodiment, concrete structure is substantially same
Embodiment 1, thes improvement is that: fills the resistance to material of high heat conduction in the gap that described metal hose 4 and damaged cooling water pipe 3 are formed and fills
Pulp layer 5, plays fixing metal hose and the effect of conduction heat, and the external part 31 at damaged cooling water pipe 3 two ends has out
Pore 311 and mud jacking mouth 312, and sealing both ends annular mouth, mud jacking mouth and the mating reaction of venthole, make making beating work more smooth
Uniformly, it is to avoid during making beating, slurry is internal produces being uniformly distributed of unnecessary aeration slurry.Described metal hose 4 two ends
External part 31 port respectively by 2 pipes connect 9 connect with 2 seamless link pipes 7 after, 2 seamless link pipes 7 are cold with external again
But pipe 6 connects, and forms external water inlet pipe and outlet pipe, allows cooling current synchronize to carry out, improves the synchronicity of cooling effect.Entering
On external cooling tube 6 between water pipe and outlet pipe, water valve 61 is set, when needing to synchronize, closes water valve, it is not necessary to during synchronization, open
Water valve, simple to operate, motility is strong.
A kind of renovation technique of the blast furnace copper cooling stave soft water system cooling water pipe prosthetic device of the present embodiment, substantially
Step, with embodiment 1, thes improvement is that: also include step 7, grouting: by opening at the external part 31 of damaged cooling water pipe 3
If mud jacking mouth 312 in the space between metal hose 4 and damaged cooling water pipe 3, charge the fire-resistant grouting material of high heat conduction, and close
Envelope two ends annular mouth；In step 5, steel screen layer 41 is that 1 strand of steel wire is woven into netted being wrapped in by wound form wire knitting machine
Metal hose periphery wall, and in the steel wire surplus 42 gradually closed up when having winding more than one end, connect by iron wire and steel wire surplus 42
After, metal hose 4 is passed damaged cooling water pipe 3, the setting of steel wire surplus 42, greatly facilitates the carrying out of poling, and,
In the shape that gradually closes up, buffer the impact to corrugated hose of the damaged cooling water pipe, can guarantee that the corrugated with steel screen layer
The disposable poling of flexible pipe is successful and avoids the duplication of labour and improves poling cost, after poling completes, directly wipes out surplus, behaviour
Facilitate；And, and the cleaning effect of pipeline worked in coordination with by soft wooden shot or iron sheet ball, allows poling work be more prone to；Efficient solution
Blast furnace cooling stave of having determined leaks to repair and causes the unbalanced of Local cooling effect and periphery cooling effect to have impact on blast furnace cooling
The service life of wall, the problem that rehabilitation cost is high.Flexible cord is nylon wire, and nylon wire is big relative to other flexible cord intensity, curvature performance
Good.
Embodiment 3
A kind of blast furnace copper cooling stave soft water system cooling water pipe prosthetic device of the present embodiment, concrete structure is substantially same
Embodiment 2, thes improvement is that: connects on external cooling tube 6 top and has the valvular bypass pipe 8 of band, plays regulation cooling water
The effect of flow, increases the water speed flowing to metal hose, compensates the unbalanced cooling caused less than former cooling tube due to caliber
Effect, closely avoids Local cooling wall to produce the different changes expanded with heat and contract with cold due to cooling effect difference and affect blast furnace
Service life；Described seamless link pipe 7 connects the two ends connection of 9 and metal hose 4 by pipe, and sealing is fixed on damaged cooling water
On the outer bending tube of pipe 3, pipe connects and both plays connection metal hose and the effect of seamless link pipe, also acts as the work sealing slurry
With.Described metal hose 4 is corrugated hose, easy bending, and intensity is big, high temperature resistant, it is not easy to damage；The described fire-resistant filling of high heat conduction
Slurry is carbonaceous heat conduction material, and heat conductivity is strong, and fineness is little, makes the mating reaction of mud jacking mouth and venthole more significantly, heat conduction
Material is easily accessible the steel screen layer gap of corrugated hose, and, after being heated, after slight expansion and the steel wire of corrugated hose
Stratum reticulare is tightly combined, thus heat fixation is effective；Described cooling water inlet end 1, cooling water outlet end 2 and damaged cooling water pipe 3
Jun Waizhe right angle, two ends, facilitates external pipe and location, and has curve transition at folding outside.Described steel screen layer 41 is 2 strands of steel
Silk is woven into by wound form wire knitting machine and netted is wrapped in metal hose periphery wall.It table 1 is the ripple of different calibers
Parameter and the change after the steel wire being wound around different number of share of stock of shape flexible pipe, as can be seen from the table, corrugated hose outer tube wall is wound around steel
After Si, it uses pressure increase rate very big, due to performance and the tensile force that can bear of its bending, is cooling wall cooling tube
The metal hose of best applications in reparation.
A kind of renovation technique of the blast furnace copper cooling stave soft water system cooling water pipe prosthetic device of the present embodiment, substantially
Step, with embodiment 2, thes improvement is that: cooling water pipe is suppressed experiment and suppresses the method looked for leakage and be:
After A, damping down, as it is shown on figure 3, produce the three-way valve 19 closing one layer of 1 cooling water pipe of cooling wall to be suppressed and cold
But the water intaking valve 18 of wall top layer 26；
Slip spade 15 in B, cooling wall water pipe 30 between every two-layer of cooling wall N shell 22 to cooling wall top layer 26, often
Before individual blind plate 15 is all inserted in air bleeding valve 16；In the present embodiment, N shell is the 8th layer；
C, confirm that the weld seam one of blind plate 15 encloses full weld after, suppress flexible pipe 20 and connect with which floor air bleeding valve 16 following respectively；
1 connects with the air bleeding valve 16 of cooling wall 8 layer 22～cooling wall 9 layer 23, suppresses cooling wall one layer 21～cooling wall 9 layers
The cooling wall water pipe 30 of 23；
2 connect with the air bleeding valve 16 of cooling wall 9 layer 23～cooling wall 10 layer 24, suppress the cooling wall water of cooling wall 10 layer 24
Pipe 30；
3 connect with the air bleeding valve 16 of cooling wall 10 layer 24～cooling wall 11 layer 25, suppress the cooling wall of cooling wall 11 layer 25
Water pipe 30；
4 connect with the air bleeding valve 16 of cooling wall 11 layer 25～cooling wall top layer 26, suppress the cooling wall of cooling wall top layer 26
Water pipe 30；
D, confirm to suppress after water pipe all connects, check joint and suppress flexible pipe 20 without leaking, after inspection, the most right
The cooling wall water pipe 30 of cooling wall 1～9 layers, 10 layers, 11 layers and top layer is suppressed；
If 1 1～9 layers of cooling wall water pipe 30 leak, wouldn't process, cooling water switches to industry water；Owing to blast furnace is high-rise
Belonging to high-temperature region, cooling water pipe easily produces leak source, and 1 to 8 layer belongs to relatively low warm area, typically will not produce leak source, when 1 to
During 8 layers of generation leak source, relative to high-temperature region, it is easier to process and use otherwise processed；Cooling water switches to industry water
Purpose be to avoid cooling down excessively running off and affecting the operation of other cooling water pipe of water, the cooling water system of blast furnace is envelope relatively
The system closed, runs off and too much can affect the cooling effect of other cooling water pipe；
If 2 10 layers of cooling wall water pipe 30 leak, 10 layers are split；
If 3 11 layers of cooling wall water pipe 30 leak, 11 layers are split；
If 4 top layer cooling wall water pipes 30 leak, top layer is split；
Whole suppressing looks for method leakage easily to operate, leak source accurate positioning；Owing to blast furnace high level belongs to high-temperature region, cool down water
Pipe easily produces leak source, and 1 to N shell belongs to relatively low warm area, typically will not produce leak source, when 1 to N shell produces leak source, and phase
For high-temperature region, it is easier to process and use otherwise processed；Cooling water switches to the purpose of industry water to be to avoid cooling
Excessively the running off and affect the operation of other cooling water pipe of water, the cooling water system of blast furnace is the system of relative closure, runs off
How can affect the cooling effect of other cooling water pipe；And save the spare part of pressuring pump and the cost of maintenance, most importantly
In shortest time, judge which layer cooling wall leaks the most accurately, thus the repair time can be saved, when shortening blast furnace staying
Between, improve index and the operating rate of blast furnace.
Embodiment 4
A kind of metal hose 4 of the present embodiment, as shown in Figure 4: include the steel screen layer 41 and of metal hose 4 periphery wall
42, the 5 strands of steel wires of steel wire surplus holding the shape that gradually closes up are wrapped in metal hose 4 periphery wall, this enforcement by wound form weaving loom
In example, metal hose 4 can be corrugated hose.
A kind of metal hose 4 of the present embodiment, caliber is up to 400mm, the most greatly, after winding steel wire, it is possible to be applied to
The poling of domestic water line in municipal works, by the drive of steel wire surplus 42, meets pulling force the biggest flexible pipe when foreign body hinders strong
Spend the highest, can guarantee that the success of the disposable poling of the corrugated hose with steel screen layer avoids the duplication of labour to become with improving poling
This, after poling completes, directly wipe out surplus, poling will be made to be more prone to.
Embodiment 5
A kind of blast furnace copper cooling stave cooling water pipe renovation technique of the present embodiment suppress leak finding device, as it is shown on figure 3, bag
Include main water bag 11, point water bag 13, blind plate 15, air bleeding valve 16, suppress the cooling wall water pipe within flexible pipe 20 and each layer cooling wall
30；Being connected by connecting tube 12 between described main water bag 11 and point water bag 13, point water bag 13 outwards separates the connection hard tube of parallel connection
14, connect hard tube 14 and again and suppress after flexible pipe 20 connects, suppress flexible pipe 20 and pass through the air bleeding valve 16 of each layer and each layer cooling wall again
Water pipe 30 communicates；Top layer cooling wall water pipe 30 arranges water intaking valve 18, and bottom cooling wall water pipe 30 arranges three-way valve 19；Every two-layer
Slip spade 15 in cooling wall water pipe 30, before each blind plate 15 is inserted in the air bleeding valve 16 of every layer, whole device is looked for Lou accurate, holds
Easily operation, and save the spare part of pressuring pump and the cost of maintenance, most importantly can be in the shortest time, sentence the most accurately
Which layer cooling wall disconnected leaks, thus saves the repair time, shortens the blast furnace staying time, improves index and the operation of blast furnace
Rate.
The table 1 different tube diameters corrugated hose winding steel wire number of share of stock lifting change table to using pressure and tensile force
Schematically being described this utility model and embodiment thereof above, this description does not has restricted, accompanying drawing
Shown in be also one of embodiment of the present utility model, actual structure is not limited thereto.So, if this area
Those of ordinary skill enlightened by it, in the case of without departing from the invention objective, without creative designing with should
Frame mode that technical scheme is similar and embodiment, all should belong to protection domain of the present utility model.
Claims (7)
1. a blast furnace copper cooling stave soft water system cooling water pipe prosthetic device, including damaged cooling water pipe (3) and broken
Damage cooling water inlet end (1) and the cooling water outlet end (2) of bottom on cooling water pipe (3) top；The two of described damaged cooling water pipe (3)
End and cooling water inlet end (1), cooling water outlet end (2) all stretch out the blast furnace all stretching out cooling wall (10) outside the last furnace shell of cooling wall
Outside furnace shell；Described cooling water inlet end (1) is connected by external cooling tube (6) after rolling over outward with cooling water outlet end (2), and its feature exists
In: being installed with metal hose (4) in described damaged cooling water pipe (3), described metal hose (4) outer tube wall is fixed with steel screen layer
(41)；Metal hose (4) two ends external water inlet pipe and outlet pipe respectively.
A kind of blast furnace copper cooling stave soft water system cooling water pipe prosthetic device the most according to claim 1, its feature
It is: in the gap that described metal hose (4) and damaged cooling water pipe (3) are formed, fill the high heat conduction grout blanket of resistance to material (5), damaged
The external part (31) at cooling water pipe (3) two ends has venthole (311) and mud jacking mouth (312), and sealing both ends annular mouth.
A kind of blast furnace copper cooling stave soft water system cooling water pipe prosthetic device the most according to claim 1, its feature
It is: external part (31) port at described metal hose (4) two ends connects (9) and 2 seamless link pipes (7) by 2 pipes respectively
After connection, 2 seamless link pipes (7) connect with external cooling tube (6) again, form external water inlet pipe and outlet pipe.
A kind of blast furnace copper cooling stave soft water system cooling water pipe prosthetic device the most according to claim 3, its feature
It is: on the external cooling tube (6) between water inlet pipe and outlet pipe, water valve (61) is set.
A kind of blast furnace copper cooling stave soft water system cooling water pipe prosthetic device the most according to claim 4, its feature
It is: connecting on external cooling tube (6) top has the valvular bypass pipe of band (8)；Described seamless link pipe (7) is connect by pipe
(9) connect with the two ends of metal hose (4), and seal on the outer bending tube being fixed on damaged cooling water pipe (3).
A kind of blast furnace copper cooling stave soft water system cooling water pipe prosthetic device the most according to claim 4, its feature
It is: described metal hose (4) is corrugated hose；Described cooling water inlet end (1), cooling water outlet end (2) and damaged cooling
The Jun Waizhe right angle, two ends of water pipe (3), and have curve transition at folding outside.
7. according to the arbitrary described a kind of blast furnace copper cooling stave soft water system cooling water pipe prosthetic device of claim 1 to 6,
It is characterized in that: described steel screen layer (41) is 1～5 strand of steel wire by wound form wire knitting machine to be woven into and netted be wrapped in gold
Belong to flexible pipe periphery wall.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620766564.0U CN205839050U (en) | 2016-07-20 | 2016-07-20 | A kind of blast furnace copper cooling stave soft water system cooling water pipe prosthetic device |
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| CN201620766564.0U CN205839050U (en) | 2016-07-20 | 2016-07-20 | A kind of blast furnace copper cooling stave soft water system cooling water pipe prosthetic device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106011342A (en) * | 2016-07-20 | 2016-10-12 | 马鞍山市飞达波纹管制造有限公司 | Repair device and process for blast furnace copper cooling stave soft water closed system cooling water pipe |
| CN111500809A (en) * | 2020-04-03 | 2020-08-07 | 广东韶钢松山股份有限公司 | Cooling wall plugging process and plugging slurry |
-
2016
- 2016-07-20 CN CN201620766564.0U patent/CN205839050U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106011342A (en) * | 2016-07-20 | 2016-10-12 | 马鞍山市飞达波纹管制造有限公司 | Repair device and process for blast furnace copper cooling stave soft water closed system cooling water pipe |
| CN106011342B (en) * | 2016-07-20 | 2018-07-03 | 马鞍山钢铁股份有限公司 | A kind of blast furnace copper cooling stave soft water system cooling water pipe prosthetic device and renovation technique |
| CN111500809A (en) * | 2020-04-03 | 2020-08-07 | 广东韶钢松山股份有限公司 | Cooling wall plugging process and plugging slurry |
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Effective date of registration: 20170419 Address after: 243000 Anhui city of Ma'anshan province Jiuhua Mountain Rain Road No. 8 Patentee after: Ma'anshan Iron and Steel Co., Ltd. Address before: Bridge Industrial Park, 243000 Anhui city of Ma'anshan province Taibai town of Dangtu County Patentee before: Ma'anshan Feida bellows manufacturing Co., Ltd. |
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