CN105798065B - Roll the cooling device and its cooling means of the roll of TC1 titanium alloys - Google Patents
Roll the cooling device and its cooling means of the roll of TC1 titanium alloys Download PDFInfo
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- CN105798065B CN105798065B CN201610303218.3A CN201610303218A CN105798065B CN 105798065 B CN105798065 B CN 105798065B CN 201610303218 A CN201610303218 A CN 201610303218A CN 105798065 B CN105798065 B CN 105798065B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B27/00—Rolls, roll alloys or roll fabrication; Lubricating, cooling or heating rolls while in use
- B21B27/06—Lubricating, cooling or heating rolls
- B21B27/10—Lubricating, cooling or heating rolls externally
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B27/00—Rolls, roll alloys or roll fabrication; Lubricating, cooling or heating rolls while in use
- B21B27/06—Lubricating, cooling or heating rolls
- B21B27/10—Lubricating, cooling or heating rolls externally
- B21B2027/103—Lubricating, cooling or heating rolls externally cooling externally
Abstract
The present invention relates to hot rolling field, especially roll the cooling device and its cooling means of the roll of TC1 titanium alloys, cooling device is equipped with the water pipe of conduit control valve, airduct provided with wind pipe control valve, water pipe and airduct are commonly connected to curved water outlet outlet air end, and the nozzle that several are in bar shaped is uniformly provided with the outside of water outlet outlet air end；The radian of water outlet outlet air end is identical with the radian of roll.Present invention employs the water outlet outlet air end of arc, and water outlet and air-out direction cool down and dried up roll, and roll must be cooled down quickly after the completion of having reached rolling, and the water of roller surface must quick-drying requirement after the completion of cooling；The cooling effect of roll is improved, so as to extend the life-span of roll.
Description
Technical field
The present invention relates to the cooling device and its cooling means in hot rolling field, the especially roll of rolling TC1 titanium alloys.
Background technology
For hot rolling, by the belt steel temperature rolled is higher（Typically at 1000 DEG C or so）, therefore to roll
Temperature control proposes corresponding requirement.General roll（That is working roll）In the operation of rolling, the temperature of moment is likely to be breached
700-800 DEG C, after the water cooling by certain time（The gap of rolled band steel）, its temperature is substantially controlled at 80 DEG C or so, special
In the case of different, the temperature of roll is likely to be breached 100 DEG C or so.Because in the operation of rolling, be present certain skew in strip, cause
Irregular Temperature Distribution is presented in the Temperature Distribution of roll, and now, the roll shape of roll is due to being affected by temperature（Roll thermal crown）, can table
It is now irregular roll shape；Being worn simultaneously in by the operation of rolling is influenceed, and exacerbates the generation of irregular roll shape, therefore in roll
Before being ground, it is necessary to roll is cooled into normal temperature, to avoid the influence of roller temperature, i.e., roller heat convex degree learning is to roll profile
Influence.But influenceed by inventory cost, it is necessary to transfer in minimum roll week meet production requirement, this to cooling effect with
And speed proposes new requirement.
Traditional tube rolling type of cooling：The side rolled edge water cooling directly into spray cooling water on tube rolling or the operation of rolling, is pressed
According to existing the natural type of cooling, it is clear that the requirement of work roll cooling can not be met, therefore, in recent years, lot of domestic and international steel
Enterprise is in order to meet the requirement of roll dressing precision, and one after another by the way of offline water cooling, the temperature of machine under roll is controlled
System, to meet the roll required for production.For which first to change roll, it is cold then to install some around lower machine roll
But water pipe, directly roll is carried out to be cooled to normal temperature.Because the distribution of roller temperature will directly influence the control of grinding quality,
Therefore, there is problems with which：
1st, because lower machine roller temperature is high, typically lower machine roller temperature is at 80 DEG C or so, and diameter is thick, generally 600-
900mm, because the spray cooling water electrode of which is uneven, cause cooling effect poor, and roll is cooled under normal temperature
The required time is longer, and the temperature Divergent Time of particularly roll centre is longer；Because necessarily hot convex be present in the roll of lower machine
Degree, if normal temperature can not be sufficiently cooled, can influence the original roller type of roll, eventually affect its grinding accuracy；
2nd, during steel alloy, it is impossible to contact the liquid such as water, oil, roller surface can not have debris；Roll after the completion of rolling
Must quickly it cool down, the water of roller surface must rapid draing after the completion of cooling；When being rolled to steel alloy, because of steel alloy
Feature, deformation temperature section is very small, and the control to temperature has very high requirement；
3rd, titanium base surface during hot rolling TC1 titanium alloy tubes scribbles protective coating, and coating can be bonded at and roll when being rolled by roll
In roller surface embossing, cause frictional force to decline, influence continuous rolling.
The content of the invention
In order to solve in the prior art, the cooling effect of roll is poor, and cool time is longer, during steel alloy, it is impossible to
The problems such as contacting the liquid such as water, oil, the present invention propose the cooling device and its cooling means of the roll of rolling TC1 titanium alloys.
The cooling device of the roll of TC1 titanium alloys is rolled, includes the cooling device of at least one set, cooling device is equipped with
Cooling water, the water pipe provided with conduit control valve are connected with, is connected with compressed air, the airduct provided with wind pipe control valve, water pipe and airduct
Curved water outlet outlet air end is commonly connected to, the nozzle that several are in bar shaped is uniformly provided with the outside of water outlet outlet air end.
Further optimize as this programme, the radian of water outlet outlet air end is identical with the radian of roll, between the nozzle of nozzle
Away from for 70mm, the spray angle of nozzle is 43 °, and the jet width of nozzle is 13mm, and water spraying direction width is 50-90mm, nozzle
Angle is 15-45 °, and the bore of water outlet outlet air end is 50mm, and distance of the water outlet outlet air end away from roll is 40-80mm.
Further optimize as this programme, cooling water, hydraulic pressure 3-5MPa, water 2-8m3/h, water speed 2-8m/
S, time 10-15min；Compressed air, the air pressure after drying, oil removing, water removal are 0.4-0.8MPa, tolerance 30-70L/
Min, gas velocity 10-20m/s, time 10-15min.
Further optimize as this programme, conduit control valve and wind pipe control valve are magnetic valve；Before rolling, water pipe control
Valve and wind pipe control valve processed.
The cooling means of the cooling device of the roll of TC1 titanium alloys is rolled, the cooling means concretely comprises the following steps：
(1) when suppressing a diameter of 400-500mm of TC1 titanium alloy tubes, first step cooling is carried out to roll by cooling device,
Cooling water, hydraulic pressure 4.8MPa, water 7.8m3/h, water speed 7.8m/s, time 14.5min；Compressed air, dry, remove
Air pressure after oil, water removal is 0.78MPa, tolerance 77L/min, gas velocity 19.6m/s, time 14.5min；
Adjust the position of water outlet outlet air end, the jet width of nozzle is 28.0mm, and water spraying direction width is 90mm, nozzle angle
Spend for 45 °, distance of the water outlet outlet air end away from roll is 78.0mm.
(2) when suppressing a diameter of 300-400mm of TC1 titanium alloy tubes, second step cooling is carried out to roll by cooling device,
Cooling water, hydraulic pressure 4.5MPa, water 6.7m3/h, water speed 6.7m/s, time 12min；Compressed air, dry, remove
Air pressure after oil, water removal is 0.67MPa, tolerance 66.0L/min, gas velocity 18m/s, time 15min；
Adjust the position of water outlet outlet air end, the jet width B of nozzle is 25mm, and water spraying direction width is 80mm, nozzle angle
Spend for 38 °, distance of the water outlet outlet air end away from roll is 70mm.
(3) when suppressing a diameter of 200-300mm of TC1 titanium alloy tubes, the 3rd step is carried out to roll by cooling device and cooled down,
Cooling water, hydraulic pressure 3.4MPa, water 5.6m3/h, water speed 6m/s, time 13min；Compressed air, drying, oil removing,
Air pressure after water removal is 0.7MPa, tolerance 50L/min, gas velocity 15m/s, time 12min；
Adjust the position of water outlet outlet air end, the jet width of nozzle is 20mm, and water spraying direction width is 70mm, nozzle angle
For 30 °, distance of the water outlet outlet air end away from roll is 56.0mm.
(4) when suppressing a diameter of 100-200mm of TC1 titanium alloy tubes, the 4th step is carried out to roll by cooling device and cooled down,
Cooling water, hydraulic pressure 3.5MPa, water 5.4m3/h, water speed 4.5m/s, time 12min；Compressed air, dry, remove
Air pressure after oil, water removal is 0.6MPa, tolerance 40L/min, gas velocity 12m/s, time 12min；
Adjust the position of water outlet outlet air end, the jet width of nozzle is 15mm, and water spraying direction width is 60mm, nozzle angle
For 23 °, distance of the water outlet outlet air end away from roll is 50mm.
(5) TC1 titanium alloy tubes are a diameter of when being less than 100mm for compacting, and the cooling of the 5th step is carried out to roll by cooling device,
Cooling water, hydraulic pressure 3MPa, water 2m3/h, water speed 2m/s, time 10min；Compressed air, drying, oil removing, water removal
Air pressure afterwards is 0.4MPa, tolerance 28L/min, gas velocity 10m/s, time 10min；
Adjust the position of water outlet outlet air end, the jet width of nozzle is 10mm, and water spraying direction width is 50mm, nozzle angle
For 15 °, distance of the water outlet outlet air end away from roll is 40mm.
Compared with prior art, the beneficial effects of the present invention are：
1. the water outlet air-out that cooling device provided by the invention is made up of the more tubules radially arranged along circular arc body
It end pipe beam, can both increase projected area, increase the contact area of cooling water and roll, again cooling water rule can be made to interlock
Ground is injected in roller surface, good cooling results；Inventing water spray tube bank simultaneously can ensure that cooling water is vertically injected in roller surface,
So as to ensure good grease scouring capability, the fluid beam that each tubule of tube bank of spraying water sprays is substantially uniform consistent, so that
Being injected in the cooling water of roller surface can be uniformly distributed, and improve cooling effect, and improve steel rolling quality；
2. the present invention can adjust the spacing of the nozzle and roll surface on water pipe so that the roll of nozzle distance difference roll neck
Spacing adjusts in position, ensures that roll surface reaches required cooling effect；
3. present invention employs the water outlet outlet air end of arc, and water outlet and air-out direction cool down and dried up roll,
Roll must be cooled down quickly after the completion of having reached rolling, and the water of roller surface must quick-drying requirement after the completion of cooling；Carry
The cooling effect of high roll, so as to extend the life-span of roll.
Brief description of the drawings
Fig. 1 is the airduct and water pipe scheme of installation of the present invention；
Fig. 2 is the airduct and water pipe structure schematic diagram of the present invention；
Fig. 3 is the airduct and water pipe structure schematic diagram of the present invention；
In figure, 1, water pipe, 2, airduct, 3, conduit control valve, 4, wind pipe control valve, 5, nozzle, 6, roll, A, spray away from, B,
Jet width, C, water spraying direction width, D, overlapping region, the distance of H, water outlet outlet air end away from roll, L, injector spacing, a, injection
Angle, b, nozzle angle, d, bore.
Embodiment
Embodiments herein is described in detail below in conjunction with accompanying drawing, but the application can be defined by the claims
Implement with the multitude of different ways of covering.The accompanying drawing for forming the part of the application is used for providing the further reason to the application
Solution, the schematic description and description of the application are used to explain the application, do not form the improper restriction to the application.
The cooling device of the roll of TC1 titanium alloys is rolled, includes the cooling device of at least one set, cooling device is equipped with
Cooling water, the water pipe 1 provided with conduit control valve 3 are connected with, is connected with compressed air, the airduct 2 provided with wind pipe control valve 4, water pipe control
Valve 3 and wind pipe control valve 4 processed are magnetic valve.Water pipe 1 and airduct 2 are commonly connected to curved water outlet outlet air end, and water outlet goes out
The radian at wind end is identical with the radian of roll 6, and the nozzle 5 that several are in bar shaped is uniformly provided with the outside of water outlet outlet air end.
The injector spacing L of nozzle 5 is 70mm, and the spray angle a of nozzle 5 is 43 °, and the jet width B of nozzle 5 is 13mm,
Water spraying direction width C is 50-90mm, and nozzle angle b is 15-45 °, and the bore d of water outlet outlet air end is 50mm, water outlet outlet air end
Distance H away from roll is 40-80mm.
Cooling water, water quality be national standard clean circulating water, hydraulic pressure 3-5MPa, water 2-8m3/h, water speed 2-8m/
S, time 10-15min.
Compressed air, the air pressure after drying, oil removing, water removal are 0.4-0.8MPa, tolerance 30-70L/min, and gas velocity is
10-20m/s, time 10-15min.
Rolling TC1 titanium alloy tubes is quick cooling in fact on the quick cooling of roll while does not influence TC1 titanium alloy tubes and cooling
Two processes are quickly dried up afterwards.Conduit control valve 3 is automatically turned on after rolling, and wind pipe control valve 4 is closed, and roll is quickly cooled down,
Simultaneously water under high pressure by roller surface be embossed in impurity and coating remove；After roll has cooled down, conduit control valve 3 is closed automatically,
Wind pipe control valve 4 is automatically turned on, and the impurity on roller surface and water are blown down.
In specific implement, ensure that the primary condition that roller surface quickly cools down has：
First, single-nozzle 5 is injected in the section overlay length of the cooling water of roller surface and is more than spray orifice spacing, and two, high pressure
Water is more than the adhesion between coating and impurity and roller surface to the active force of roller surface coating and impurity.
The condition for removing roller surface coating and impurity is that to have enough dynamics of washing away in the water under high pressure of roller surface, and
The nozzle angle b of nozzle 5 is the key factor for the water under high pressure hitting power and scouring force for influenceing its ejection, if nozzle angle b mistakes
Greatly, in the case where distance H of the water outlet outlet air end away from roll is certain, the hitting power of water will weaken impact effect；If nozzle
Angle b angles are too small, and in the case where distance H of the water outlet outlet air end away from roll is certain, the scouring force of water, which will weaken, also influences effect
Fruit.
In actual use, distance H of the water outlet outlet air end away from roll has certain minimum value requirement, so in water outlet
We are found out by test of many times in the case of distance H minimums of the outlet air end away from roll reaches roller surface hitting power and scouring force
To the incidence angle of best match；Simultaneously to ensure there is maximum hitting power, we suitably reduce nozzle hole number, increase pipe
Road.
As can be seen here, the structure of nozzle 5 of pipeline and installation have considerable influence to the effect of roller surface technological requirement：
1. spray angle a increases, jet width B increases, water under high pressure is bigger to the level of coverage of roller surface, residual impurity
And coating is less；
2. bore d increases, hitting power increase of the water under high pressure to roller surface, effect is favorably improved；
3. distance H and nozzle angle b increase of the water outlet outlet air end away from roll, jet width B increases, but hitting power will subtract
It is small, thus jet length A and nozzle angle b need to be optimized through row.
4. because the selection of nozzle 5 is directly connected to the effect of roll cooling removal of impurities, according to the requirement of technique, consider simultaneously
This is intermittent work, and the water for also requiring to spill does not interfere with TC1 titanium alloy tubes, the quick cooling of roll, easy for installation, we
Case shares same pipeline from flow, the wind water cooling of moderate pressure（Pipeline in roll-box）, installed in the roll back side.
To sum up, we have proposed rolling TC1 titanium alloys roll cooling device cooling means, TC1 titanium alloy tubes
External diameter is 80-273mm, wall thickness 6-20mm.The cooling means concretely comprises the following steps：
（1）When suppressing a diameter of 400-500mm of TC1 titanium alloy tubes, i.e., containing 400mm and when containing 500mm, pass through cooling device
It is to roll progress first step cooling, cooling water, hydraulic pressure 4.8MPa, water 7.8m3/h, water speed 7.8m/s, time
14.5min；Compressed air, the air pressure after drying, oil removing, water removal are 0.78MPa, tolerance 77L/min, gas velocity 19.6m/s,
Time is 14.5min；
The position of water outlet outlet air end is adjusted, the jet width B of nozzle 5 is 28.0mm, and water spraying direction width C is 90mm, spray
Corners of the mouth degree b is 45 °, and distance H of the water outlet outlet air end away from roll is 78.0mm.
（2）When suppressing a diameter of 300-400mm of TC1 titanium alloy tubes, i.e., when containing 300mm and be free of 400mm, pass through cooling dress
Put and be to roll progress second step cooling, cooling water, hydraulic pressure 4.5MPa, water 6.7m3/h, water speed 6.7m/s, time
12min；Compressed air, the air pressure after drying, oil removing, water removal are 0.67MPa, tolerance 66.0L/min, gas velocity 18m/s, when
Between be 15min；
Adjust the position of water outlet outlet air end, the jet width B of nozzle 5 is 25mm, and water spraying direction width C is 80mm, nozzle
Angle b is 38 °, and distance H of the water outlet outlet air end away from roll is 70mm.
（3）When suppressing a diameter of 200-300mm of TC1 titanium alloy tubes, i.e., when containing 200mm and be free of 300mm, pass through cooling dress
Put and be to roll progress the 3rd step cooling, cooling water, hydraulic pressure 3.4MPa, water 5.6m3/h, water speed 6m/s, time
13min；Compressed air, the air pressure after drying, oil removing, water removal are 0.7MPa, tolerance 50L/min, gas velocity 15m/s, the time
For 12min；
Adjust the position of water outlet outlet air end, the jet width B of nozzle 5 is 20mm, and water spraying direction width C is 70mm, nozzle
Angle b is 30 °, and distance H of the water outlet outlet air end away from roll is 56.0mm.
（4）When suppressing a diameter of 100-200mm of TC1 titanium alloy tubes, i.e., when containing 100mm and be free of 200mm, pass through cooling dress
Put and be to roll progress the 4th step cooling, cooling water, hydraulic pressure 3.5MPa, water 5.4m3/h, water speed 4.5m/s, time
12min；Compressed air, the air pressure after drying, oil removing, water removal are 0.6MPa, tolerance 40L/min, gas velocity 12m/s, the time
For 12min；
Adjust the position of water outlet outlet air end, the jet width B of nozzle 5 is 15mm, and water spraying direction width C is 60mm, nozzle
Angle b is 23 °, and distance H of the water outlet outlet air end away from roll is 50mm.
（5）TC1 titanium alloy tubes are a diameter of for compacting when being less than 100mm, and the cooling of the 5th step is carried out to roll by cooling device,
Cooling water, hydraulic pressure 3MPa, water 2m3/h, water speed 2m/s, time 10min；Compressed air, drying, oil removing, water removal
Air pressure afterwards is 0.4MPa, tolerance 28L/min, gas velocity 10m/s, time 10min；
Adjust the position of water outlet outlet air end, the jet width B of nozzle 5 is 10mm, and water spraying direction width C is 50mm, nozzle
Angle b is 15 °, and distance H of the water outlet outlet air end away from roll is 40mm.
Compared with prior art, the beneficial effects of the present invention are：
1. the water outlet air-out that cooling device provided by the invention is made up of the more tubules radially arranged along circular arc body
It end pipe beam, can both increase projected area, increase the contact area of cooling water and roll, again cooling water rule can be made to interlock
Ground is injected in roller surface, good cooling results；Inventing water spray tube bank simultaneously can ensure that cooling water is vertically injected in roller surface,
So as to ensure good grease scouring capability, the fluid beam that each tubule of tube bank of spraying water sprays is substantially uniform consistent, so that
Being injected in the cooling water of roller surface can be uniformly distributed, and improve cooling effect, and improve steel rolling quality；
2. the present invention can adjust the spacing of the nozzle and roll surface on water pipe so that the roll of nozzle distance difference roll neck
Spacing adjusts in position, ensures that roll surface reaches required cooling effect；
3. present invention employs the water outlet outlet air end of arc, and water outlet and air-out direction cool down and dried up roll,
Roll must be cooled down quickly after the completion of having reached rolling, and the water of roller surface must quick-drying requirement after the completion of cooling；Carry
The cooling effect of high roll, so as to extend the life-span of roll.
It should be noted last that above embodiment is merely illustrative of the technical solution of the present invention and unrestricted,
Although the present invention is described in detail with reference to preferred embodiment, it will be understood by those within the art that, can be right
Technical scheme is modified or equivalent substitution, and without departing from the spirit and scope of technical solution of the present invention, its is equal
It should cover among scope of the presently claimed invention.
Claims (3)
1. roll the cooling device of the roll of TC1 titanium alloys, it is characterised in that include the cooling device of at least one set, it is described
Cooling device be equipped with and be connected with cooling water, provided with conduit control valve（3）Water pipe（1）, it is connected with compressed air, provided with airduct control
Valve processed（4）Airduct（2）, the water pipe（1）And airduct（2）It is commonly connected to curved water outlet outlet air end；Water outlet outlet air end
Tube bank by more along circular arc body radially arrangement tubules form；The tube bank of water outlet outlet air end forms cooling device；
The nozzle that several are in bar shaped is uniformly provided with the outside of the water outlet outlet air end（5）；
The radian and roll of the water outlet outlet air end（6）Radian it is identical；
The nozzle（5）Injector spacing（L）For 70mm, nozzle（5）Spray angle（a）For 43 °, nozzle（5）Injection it is wide
Degree（B）For 13mm, water spraying direction width（C）For 50-90mm, nozzle angle（b）For 15-45 °, the bore of water outlet outlet air end
（D）For 50mm, distance of the water outlet outlet air end away from roll（H）For 40-80mm；
Cooling water, hydraulic pressure 3-5MPa, water 2-8m3/h, water speed 2-8m/s, time 10-15min；
Compressed air, the air pressure after drying, oil removing, water removal are 0.4-0.8MPa, tolerance 30-70L/min, gas velocity 10-
20m/s, time 10-15min.
2. the cooling device of the roll of rolling TC1 titanium alloys according to claim 1, it is characterised in that the water pipe control
Valve processed（3）And wind pipe control valve（4）It is magnetic valve；After rolling, conduit control valve（3）Automatically turn on, wind pipe control valve（4）Close
Close；After roll has cooled down, conduit control valve（3）It is automatic to close, wind pipe control valve（4）Automatically turn on.
3. roll the cooling means of the cooling device of the roll of TC1 titanium alloys, it is characterised in that the roll of rolling TC1 titanium alloys
Cooling device include at least one set cooling device, described cooling device, which is equipped with, is connected with cooling water, provided with water pipe control
Valve processed（3）Water pipe（1）, it is connected with compressed air, provided with wind pipe control valve（4）Airduct（2）, the water pipe（1）And airduct（2）
It is commonly connected to curved water outlet outlet air end；The tube bank of water outlet outlet air end is by the more tubules radially arranged along circular arc body
Composition；The tube bank of water outlet outlet air end forms cooling device；
Roll concretely comprising the following steps for the cooling means of the cooling device of the roll of TC1 titanium alloys：
（1）The a diameter of 400-500mm of TC1 titanium alloy tubes is rolled, i.e., containing 400mm and when containing 500mm, by cooling device to rolling
Roller carries out first step cooling, and cooling water, hydraulic pressure 4.8MPa, water 7.8m3/h, water speed 7.8m/s, the time is
14.5min；Compressed air, the air pressure after drying, oil removing, water removal are 0.78MPa, tolerance 77L/min, gas velocity 19.6m/s,
Time is 14.5min；
Adjust the position of water outlet outlet air end, nozzle（5）Jet width（B）For 28.0mm, water spraying direction width（C）For 90mm,
Nozzle angle（b）For 45 °, distance of the water outlet outlet air end away from roll（H）For 78.0mm；
（2）The a diameter of 300-400mm of TC1 titanium alloy tubes is rolled, i.e., when containing 300mm and being free of 400mm, passes through cooling device pair
Roll carries out second step cooling, and cooling water, hydraulic pressure 4.5MPa, water 6.7m3/h, water speed 6.7m/s, the time is
12min；Compressed air, the air pressure after drying, oil removing, water removal are 0.67MPa, tolerance 66.0L/min, gas velocity 18m/s, when
Between be 15min；
Adjust the position of water outlet outlet air end, nozzle（5）Jet width（B）For 25mm, water spraying direction width（C）For 80mm, spray
Corners of the mouth degree（b）For 38 °, distance of the water outlet outlet air end away from roll（H）For 70mm；
（3）The a diameter of 200-300mm of TC1 titanium alloy tubes is rolled, i.e., when containing 200mm and being free of 300mm, passes through cooling device pair
Roll carries out the cooling of the 3rd step, cooling water, hydraulic pressure 3.4MPa, water 5.6m3/h, water speed 6m/s, time 13min；
Compressed air, the air pressure after drying, oil removing, water removal are 0.7MPa, tolerance 50L/min, gas velocity 15m/s, and the time is
12min；
Adjust the position of water outlet outlet air end, nozzle（5）Jet width（B）For 20mm, water spraying direction width（C）For 70mm, spray
Corners of the mouth degree（b）For 30 °, distance of the water outlet outlet air end away from roll（H）For 56.0mm；
（4）The a diameter of 100-200mm of TC1 titanium alloy tubes is rolled, i.e., when containing 100mm and being free of 200mm, passes through cooling device pair
Roll carries out the cooling of the 4th step, and cooling water, hydraulic pressure 3.5MPa, water 5.4m3/h, water speed 4.5m/s, the time is
12min；Compressed air, the air pressure after drying, oil removing, water removal are 0.6MPa, tolerance 40L/min, gas velocity 12m/s, the time
For 12min；
Adjust the position of water outlet outlet air end, nozzle（5）Jet width（B）For 15mm, water spraying direction width（C）For 60mm, spray
Corners of the mouth degree（b）For 23 °, distance of the water outlet outlet air end away from roll（H）For 50mm；
（5）TC1 titanium alloy tubes are a diameter of is less than 100mm for rolling, and carrying out the 5th step to roll by cooling device cools down, and cools down
Water, hydraulic pressure 3MPa, water 2m3/h, water speed 2m/s, time 10min；Compressed air, after drying, oil removing, water removal
Air pressure is 0.4MPa, tolerance 28L/min, gas velocity 10m/s, time 10min；
Adjust the position of water outlet outlet air end, nozzle（5）Jet width（B）For 10mm, water spraying direction width（C）For 50mm, spray
Corners of the mouth degree（b）For 15 °, distance of the water outlet outlet air end away from roll（H）For 40mm.
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| CN201610303218.3A CN105798065B (en) | 2016-05-10 | 2016-05-10 | Roll the cooling device and its cooling means of the roll of TC1 titanium alloys |
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|---|---|---|---|---|
| SU900893A1 (en) * | 1980-06-06 | 1982-01-30 | Днепропетровский Металлургический Институт | Rolling roll cooling method |
| CN202377266U (en) * | 2011-12-28 | 2012-08-15 | 哈尔滨理工大学 | Aluminum silicon alloy rolling roll cooling device |
| US9427788B2 (en) * | 2013-11-13 | 2016-08-30 | Primetals Technologies USA LLC | Cooling device for a rolling mill work roll |
| CN204109087U (en) * | 2014-08-06 | 2015-01-21 | 西安建筑科技大学 | A kind of cooling device of wire and rod collars |
| CN104801553B (en) * | 2015-01-08 | 2017-02-22 | 长沙山水节能研究院有限公司 | System for controlling turbid circulation cooling of roller |
| CN205869071U (en) * | 2016-05-10 | 2017-01-11 | 鑫鹏源智能装备集团有限公司 | Cooling device of roll of rolling TC1 titanium alloy |
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2016
- 2016-05-10 CN CN201610303218.3A patent/CN105798065B/en active Active
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