CN205869072U - Cooling device of roll - Google Patents
Cooling device of roll Download PDFInfo
- Publication number
- CN205869072U CN205869072U CN201620415178.7U CN201620415178U CN205869072U CN 205869072 U CN205869072 U CN 205869072U CN 201620415178 U CN201620415178 U CN 201620415178U CN 205869072 U CN205869072 U CN 205869072U
- Authority
- CN
- China
- Prior art keywords
- water
- roll
- cooling
- nozzle
- control valve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Nozzles (AREA)
Abstract
The utility model belongs to the technical field of the hot rolling and specifically relates to cooling device of roll and cooling method, including at least a set of cooling device, cooling device all be equipped with and lead to the water pipe that has the cooling water, is equipped with the water pipe control valve, lead to the tuber pipe that has compressed air, is equipped with the tuber pipe control valve, water pipe and tuber pipe are connected in being curved water air -out end jointly, go out the outside that the water air -out held and evenly are equipped with the nozzle that a plurality of is the bar. The utility model discloses a curved water air -out end to and coming the cooling and weathering the roll of water and air -out direction go out, it must quick cooling to have reached rolling completions back roll, the requirement of the surperficial necessary rapid draing of water of roll after the cooling completion, improve the cooling effect of roll to the life -span of extension roll.
Description
Technical field
This utility model relates to hot rolling field, the chiller of a kind of roll and cooling means thereof.
Background technology
For hot rolling, due to the belt steel temperature rolled higher (typically at about 1000 DEG C), therefore to roll
Temperature controls to propose corresponding requirement.General roll (i.e. working roll) is in the operation of rolling, and the temperature of moment is likely to be breached
700-800 DEG C, in after the water-cooled of certain time (gap of rolled band steel), its temperature substantially controls at about 80 DEG C, special
In the case of Shu, the temperature of roll is likely to be breached about 100 DEG C.Owing to, in the operation of rolling, there is certain skew in strip steel, causes
The Temperature Distribution of roll presents irregular Temperature Distribution, and now, the roll shape of roll, can table due to temperature influence (roll thermal crown)
It it is now irregular roll shape；Affected by abrasion in the operation of rolling simultaneously, exacerbated the generation of irregular roll shape, therefore at roll
Before carrying out grinding, it is necessary to roll is cooled to room temperature, to avoid the impact of roller temperature, i.e. roller heat convex degree learning is to roll profile
Impact.But affected 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.
The tradition tube rolling type of cooling: limit rolled edge water-cooled during directly injection cools down water or the operation of rolling on tube rolling, presses
According to existing natural cooling mode, it is clear that can not meet the requirement of work roll cooling, to this end, in recent years, lot of domestic and international iron and steel
Enterprise, in order to meet the requirement of roll dressing precision, uses the mode of off-line water-cooled one after another, controls the temperature of machine under roll
System, the roll required for satisfied production.Which for first roll is changed, then around lower machine roll installation some are cold
But water pipe, is directly cooled to room temperature to roll.Owing to the distribution of roller temperature will directly influence the control of grinding quality,
To this end, which there is problems in that
1, high due to lower machine roller temperature, general lower machine roller temperature is at about 80 DEG C, and diameter is thick, generally 600-
900mm, is uneven owing to the injection of which cools down water electrode, causes cooling effect poor, and roll is cooled under room temperature
The required time is longer, and the particularly temperature Divergent Time of roll centre is longer；Due to the roll of lower machine, to there is certain heat convex
Degree, if sufficiently cooled the original roller type of roll can not can be affected to room temperature, eventually affects its grinding accuracy；
2, during steel alloy, it is impossible to the contact liquid such as water, oil, roller surface can not have foreign material；Roll rear roll
Must quickly cool down, the water having cooled down rear roller surface must rapid draing；When steel alloy is rolled, because of steel alloy
Feature, deformation temperature interval is the least, and the control to temperature has the highest requirement；
3, titanium base surface during hot rolling titanium pipe scribbles protective coating, and when roll rolls, coating can be bonded at roller surface pressure
Take, cause frictional force to decline, affect continuous rolling.
Utility model content
In order to solve in 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 the contact liquid such as water, oil, the utility model proposes chiller and the cooling means thereof of a kind of roll.
The chiller of a kind of roll, includes the chiller of least one set, chiller be equipped with and be connected with cooling
Water, being provided with the water pipe of conduit control valve, be connected with compressed air, be provided with the airduct of wind pipe control valve, water pipe and airduct connect jointly
In curved water outlet outlet air end, the outside of water outlet outlet air end is uniformly provided with the nozzle that several are bar shaped.
Optimizing further as this programme, the radian of water outlet outlet air end is identical with the radian of roll.
Optimizing further as this programme, the injector spacing of nozzle is 70mm, and the spray angle of nozzle is 43 °, nozzle
Jet width be 13mm, water spraying direction width is 50-90mm, and nozzle angle is 15-45 °, and the bore of water outlet outlet air end is
50mm, the water outlet outlet air end distance away from roll is 40-80mm.
Optimizing further as this programme, cool down water, hydraulic pressure is 3-5Mpa, and the water yield is 2-8m/h, and water speed is 2-8m/
S, the time is 10-15min；Compressed air, be dried, oil removing, except after water air pressure be 0.4-0.8Mpa, tolerance is 30-70L/
Min, gas speed is 10-20m/s, and the time is 10-15min.
Optimizing further as this programme, conduit control valve and wind pipe control valve are electromagnetic valve；Before rolling, water pipe control
Valve processed and wind pipe control valve.
Compared with prior art, the beneficial effects of the utility model are:
1. the chiller that this utility model provides is by the many water outlets formed along the tubule of circular arc body radially arrangement
Outlet air end is restrained, and both can increase projected area, makes cooling water increase with the contact area of roll, can make again cooling water rule
It is injected in roller surface, good cooling results alternately；Utility model water spray tube bank simultaneously can ensure that cooling water is vertically injected in
Roller surface, thus ensure good oils and fats scouring capability, the fluid bundle substantially uniform of each tubule ejection of water spray tube bank
Cause, so that the cooling water being injected in roller surface can be uniformly distributed, improve cooling effect, and improve steel rolling quality；
2. this utility model can adjust the spacing of the nozzle on water pipe and roll surface so that rolling of nozzle distance differential roller footpath
The spacing of roller adjusts in position, it is ensured that roll surface reaches required cooling effect；
3. this utility model have employed the water outlet outlet air end of arc, and the cooling down and dry up and roll of water outlet and air-out direction
Roller, having reached to have rolled rear roll must quickly cool down, and the water having cooled down rear roller surface must quick-drying requirement；
Improve the cooling effect of roll, thus extend the life-span of roll.
Accompanying drawing explanation
Fig. 1 is airduct of the present utility model and water pipe scheme of installation；
Fig. 2 is airduct of the present utility model and water pipe structure schematic diagram；
Fig. 3 is airduct of the present utility model and water pipe structure schematic diagram；
In figure, 1, water pipe, 2, airduct, 3, conduit control valve, 4, wind pipe control valve, 5, nozzle, 6, roll, A, spray base, B,
Jet width, C, water spraying direction width, D, overlapping region, H, the water outlet outlet air end distance away from roll, L, injector spacing, a, injection
Angle, b, nozzle angle, d, bore.
Detailed description of the invention
Below in conjunction with accompanying drawing, embodiments herein is described in detail, but the application can be defined by the claims
Implement with the multitude of different ways covered.The accompanying drawing of the part constituting the application is used for providing the further reason to the application
Solving, the schematic description and description of the application is used for explaining the application, is not intended that the improper restriction to the application.
The chiller of a kind of roll, includes the chiller of least one set, chiller be equipped with and be connected with cooling
Water, it is provided with the water pipe 1 of conduit control valve 3, is connected with compressed air, is provided with the airduct 2 of wind pipe control valve 4, conduit control valve 3 and wind
Pipe control valve 4 is electromagnetic valve.Water pipe 1 and airduct 2 are commonly connected to curved water outlet outlet air end, the radian of water outlet outlet air end
Identical with the radian of roll 6, the outside of water outlet outlet air end is uniformly provided with the nozzle 5 that several are bar shaped.
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 is the clean circulating water of national standard, and hydraulic pressure is 3-5Mpa, and the water yield is 2-8m/h, and water speed is 2-8m/
S, the time is 10-15min.
Compressed air, be dried, oil removing, except after water air pressure be 0.4-0.8Mpa, tolerance is 30-70L/min, and gas speed is
10-20m/s, the time is 10-15min.
Rolling the cooling quick on roll of titanium pipe is quickly to dry up two after quickly cooling does not affect titanium pipe and cooling simultaneously in fact
Process.After rolling, conduit control valve 3 automatically turns on, and wind pipe control valve 4 is closed, and is quickly cooled down by roll, and water under high pressure will roll simultaneously
Impurity and coating in roller embossed surface are removed；After roll has cooled down, conduit control valve 3 is automatically switched off, and wind pipe control valve 4 is automatic
Open, the impurity on roller surface and water are blown down.
In concrete enforcement, it is ensured that the primary condition that roller surface quickly cools down has:
One, single-nozzle 5 is injected in the section overlay length of cooling water of roller surface more than nozzle 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 of roller surface coating and impurity removed is to have enough dynamics of washing away at the water under high pressure of roller surface, and
The nozzle angle b of nozzle 5 is water under high pressure hitting power and the key factor of scouring force affecting its ejection, if nozzle angle b mistake
Greatly, in the case of water outlet outlet air end distance H away from roll is certain, the hitting power of water will weaken impact effect；If nozzle
Angle b angle is too small, and in the case of water outlet outlet air end distance H away from roll is certain, the scouring force of water will weaken also affects effect
Really.
In actual use, water outlet outlet air end distance H away from roll has certain minima requirement, so in water outlet
In the case of the distance H minimum of roll, we are found out by test of many times and make roller surface hitting power and scouring force reach outlet air end
Angle of incidence to optimal coupling；Having maximum hitting power for guarantee, we suitably decrease nozzle hole number, increase pipe simultaneously
Road.
As can be seen here, nozzle 5 structure of pipeline and install the effect of roller surface technological requirement is had considerable influence:
1. spray angle a increases, and jet width B increases, and water under high pressure is the biggest to the level of coverage of roller surface, residual impurity
And coating is less；
2. bore d increases, and the hitting power of roller surface is increased by water under high pressure, is favorably improved effect；
3. water outlet outlet air end distance H away from roll and nozzle angle b increase, and jet width B increases, but hitting power will subtract
Little, thus jet length A and nozzle angle b need to be optimized through row.
4. it is directly connected to the effect of roll cooling remove impurity due to the selection of nozzle 5, according to the requirement of technique, considers simultaneously
This is intermittent work, also requires that the water spilt does not interferes with titanium pipe, the quickly cooling of roll, easy for installation, and this programme is selected
Flow, the wind water cooling of moderate pressure share same pipeline (pipeline in roll-box), are arranged on the roll back side.
To sum up, we have proposed the cooling means of the chiller of a kind of roll, concrete model TA1-TA10 of titanium pipe；Outward
Footpath is 80-273mm, and wall thickness is 6-20mm.Concretely comprising the following steps of this cooling means:
(1) during the compacting a diameter of 400-500mm of titanium pipe, roll carrying out first step cooling, cool down water, hydraulic pressure is 5Mpa,
The water yield is 8m/h, and water speed is 8m/s, and the time is 15min；Compressed air, be dried, oil removing, except after water air pressure be 0.8Mpa,
Tolerance is 70L/min, and gas speed is 20m/s, and the time is 15min；
Adjusting the position of water outlet outlet air end, the jet width B of nozzle 5 is 30mm, and water spraying direction width C is 90mm, nozzle
Angle b is 45 °, and water outlet outlet air end distance H away from roll is 80mm.
(2) during the compacting a diameter of 300-400mm of titanium pipe, roll carrying out second step cooling, cool down water, hydraulic pressure is
4.5Mpa, the water yield is 7m/h, and water speed is 7m/s, and the time is 12min；Compressed air, be dried, oil removing, except after water air pressure be
0.7Mpa, tolerance is 60L/min, and gas speed is 18m/s, and the time is 15min；
Adjusting 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 water outlet outlet air end distance H away from roll is 70mm.
(3) during the compacting a diameter of 200-300mm of titanium pipe, roll carrying out the 3rd step cooling, cools down water, hydraulic pressure is 4Mpa,
The water yield is 6m/h, and water speed is 6m/s, and the time is 13min；Compressed air, be dried, oil removing, except after water air pressure be 0.7Mpa,
Tolerance is 50L/min, and gas speed is 15m/s, and the time is 12min；
Adjusting 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 water outlet outlet air end distance H away from roll is 60mm.
(4) during the compacting a diameter of 100-200mm of titanium pipe, roll carrying out the 4th step cooling, cools down water, hydraulic pressure is
3.5Mpa, the water yield is 5m/h, and water speed is 5m/s, and the time is 12min；Compressed air, be dried, oil removing, except after water air pressure be
0.6Mpa, tolerance is 40L/min, and gas speed is 12m/s, and the time is 12min；
Adjusting 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 water outlet outlet air end distance H away from roll is 50mm.
(5) compacting titanium pipe a diameter of less than 100mm time, roll is carried out the 5th step cooling, cool down water, hydraulic pressure is 3Mpa,
The water yield is 2m/h, and water speed is 2m/s, and the time is 10min；Compressed air, be dried, oil removing, except after water air pressure be 0.4Mpa,
Tolerance is 30L/min, and gas speed is 10m/s, and the time is 10min；
Adjusting 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 water outlet outlet air end distance H away from roll is 40mm.
Compared with prior art, the beneficial effects of the utility model are:
1. the chiller that this utility model provides is by the many water outlets formed along the tubule of circular arc body radially arrangement
Outlet air end is restrained, and both can increase projected area, makes cooling water increase with the contact area of roll, can make again cooling water rule
It is injected in roller surface, good cooling results alternately；Utility model water spray tube bank simultaneously can ensure that cooling water is vertically injected in
Roller surface, thus ensure good oils and fats scouring capability, the fluid bundle substantially uniform of each tubule ejection of water spray tube bank
Cause, so that the cooling water being injected in roller surface can be uniformly distributed, improve cooling effect, and improve steel rolling quality；
2. this utility model can adjust the spacing of the nozzle on water pipe and roll surface so that rolling of nozzle distance differential roller footpath
The spacing of roller adjusts in position, it is ensured that roll surface reaches required cooling effect；
3. this utility model have employed the water outlet outlet air end of arc, and the cooling down and dry up and roll of water outlet and air-out direction
Roller, having reached to have rolled rear roll must quickly cool down, and the water having cooled down rear roller surface must quick-drying requirement；
Improve the cooling effect of roll, thus extend the life-span of roll.
It should be noted last that, above detailed description of the invention is only in order to illustrate the technical solution of the utility model rather than limit
System, although being described in detail this utility model with reference to preferred embodiment, it will be understood by those within the art that,
The technical solution of the utility model can be modified or equivalent, without deviating from the essence of technical solutions of the utility model
God and scope, it all should be contained in the middle of right of the present utility model.
Claims (3)
1. the chiller of a roll, it is characterised in that including the chiller of least one set, described chiller is equal
It is provided with and is connected with cooling water, be provided with the water pipe (1) of conduit control valve (3), be connected with compressed air, be provided with the wind of wind pipe control valve (4)
Managing (2), described water pipe (1) and airduct (2) are commonly connected to curved water outlet outlet air end, and the outside of described water outlet outlet air end is equal
Even it is provided with the nozzle (5) that several are bar shaped；
The injector spacing (L) of described nozzle (5) is 70mm, and the spray angle (a) of nozzle (5) is 43 °, the injection width of nozzle (5)
Degree (B) is 13mm, and water spraying direction width (C) is 50-90mm, and nozzle angle (b) is 15-45 °, the bore of water outlet outlet air end
(D) being 50mm, the water outlet outlet air end distance (H) away from roll is 40-80mm.
The chiller of a kind of roll the most according to claim 1, it is characterised in that described conduit control valve (3) and wind
Pipe control valve (4) is electromagnetic valve；Before rolling, conduit control valve (3) and wind pipe control valve (4).
The chiller of a kind of roll the most according to claim 2, it is characterised in that the radian of described water outlet outlet air end with
The radian of roll (6) is identical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620415178.7U CN205869072U (en) | 2016-05-10 | 2016-05-10 | Cooling device of roll |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620415178.7U CN205869072U (en) | 2016-05-10 | 2016-05-10 | Cooling device of roll |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205869072U true CN205869072U (en) | 2017-01-11 |
Family
ID=57687380
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620415178.7U Expired - Fee Related CN205869072U (en) | 2016-05-10 | 2016-05-10 | Cooling device of roll |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205869072U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105750333A (en) * | 2016-05-10 | 2016-07-13 | 鑫鹏源智能装备集团有限公司 | Cooling device and cooling method for roller |
| CN111055172A (en) * | 2019-12-26 | 2020-04-24 | 铜陵市兆林工贸有限责任公司 | Cylindrical grinding machine |
-
2016
- 2016-05-10 CN CN201620415178.7U patent/CN205869072U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105750333A (en) * | 2016-05-10 | 2016-07-13 | 鑫鹏源智能装备集团有限公司 | Cooling device and cooling method for roller |
| CN105750333B (en) * | 2016-05-10 | 2017-12-26 | 鑫鹏源智能装备集团有限公司 | A kind of cooling device of roll |
| CN111055172A (en) * | 2019-12-26 | 2020-04-24 | 铜陵市兆林工贸有限责任公司 | Cylindrical grinding machine |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101253011B (en) | Hot rolling facility of steel plate and hot rolling method | |
| CN103894427A (en) | Medium and heavy plate online multifunctional cooling device | |
| CN201815544U (en) | Section cooling device for working rolls | |
| CN205869072U (en) | Cooling device of roll | |
| CN106311763A (en) | Annular jet cooling device for controlled cooling of hot-rolled seamless steel tubes | |
| CN105750333B (en) | A kind of cooling device of roll | |
| CN205869071U (en) | Cooling device of roll of rolling TC1 titanium alloy | |
| CN104768666A (en) | Nozzle header, cooling device, device for producing hot-rolled steel sheet, and method for producing hot-rolled steel sheet | |
| CN208245449U (en) | A kind of improved roller cooler | |
| CN101702888A (en) | Rolling mill with cooling device and rolling process | |
| JP5906712B2 (en) | Thermal steel sheet descaling equipment and descaling method | |
| CN102756000A (en) | Jet flow cooling method and device in narrow slit water jacket passage of steel plate | |
| CN101920264B (en) | Cooling method for replacing hot roll | |
| CN108144967A (en) | A kind of emulsion spray device for being used to cooling down and lubricating copper wires roll for hot-rolling | |
| TW201815490A (en) | Device and method for cooling hot-rolled steel sheet | |
| CN203944668U (en) | A kind of thermal straightening machine | |
| CN105102142B (en) | The manufacturing equipment and manufacturing method of steel plate | |
| CN105073293A (en) | Manufacturing method and manufacturing equipment of thick steel plate | |
| CN201735609U (en) | Universal descaling device for rectangular-section billets to be rolled | |
| CN105798065B (en) | Roll the cooling device and its cooling means of the roll of TC1 titanium alloys | |
| JP2007090355A (en) | Cooling equipment for steel sheet and manufacturing method of steel sheet | |
| CN204412776U (en) | The cold rear residual water blow device of a kind of hot rolled steel plate | |
| CN201664694U (en) | Cooling device for rolling ring of high-speed wire rod mill | |
| CN104781014A (en) | Nozzle | |
| CN203578586U (en) | Water/gas cooling and purging device for hot straightening machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170111 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |