CN105499285A - Automatic atomization spray cooling temperature controlling device - Google Patents
Automatic atomization spray cooling temperature controlling device Download PDFInfo
- Publication number
- CN105499285A CN105499285A CN201511014880.9A CN201511014880A CN105499285A CN 105499285 A CN105499285 A CN 105499285A CN 201511014880 A CN201511014880 A CN 201511014880A CN 105499285 A CN105499285 A CN 105499285A
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- steel plate
- cooling temperature
- nozzle
- regulating device
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B45/00—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
- B21B45/02—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills for lubricating, cooling, or cleaning
- B21B45/0203—Cooling
- B21B45/0209—Cooling devices, e.g. using gaseous coolants
- B21B45/0215—Cooling devices, e.g. using gaseous coolants using liquid coolants, e.g. for sections, for tubes
- B21B45/0218—Cooling devices, e.g. using gaseous coolants using liquid coolants, e.g. for sections, for tubes for strips, sheets, or plates
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B45/00—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
- B21B45/02—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills for lubricating, cooling, or cleaning
- B21B45/0203—Cooling
- B21B45/0209—Cooling devices, e.g. using gaseous coolants
- B21B45/0215—Cooling devices, e.g. using gaseous coolants using liquid coolants, e.g. for sections, for tubes
- B21B45/0233—Spray nozzles, Nozzle headers; Spray systems
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Nozzles (AREA)
- Heat Treatments In General, Especially Conveying And Cooling (AREA)
Abstract
An automatic atomization spray cooling temperature controlling device is characterized in that atomization spray headers are arranged at the upper and lower sides of a steel plate in the width direction; the automatic atomization spray cooling temperature controlling device comprises a front-section water curtain, a middle-section water curtain and a rear-section water curtain, each water curtain is about six meters long, outlets of upper and lower headers of a spray device at each section are provided with flow regulating valves, a scheme of supplying water by a main water supply pipe is adopted, and flow control and switch combination control can be performed. The automatic atomization spray cooling temperature controlling device has the advantages that the quality problem of ill-fitting internal performance, restricting production of high value-added steel grades by a plate of moderate thickness, is thoroughly solved fundamentally, and field trial operation shows that the device is good in curtain forming performance, abundant and uniform in water quantity, good adaptivity to water quality, high in cooling capacity, and flexible and convenient in adjusting and setting. The maximal cooling capacity can reach not less than 250 DEG C, and the process requirement of controlling cooling after rolling can be met.
Description
Technical field
The present invention relates to metallurgy industry Heavy Plate Production technical field, particularly a kind of automatic atomising spraying cooling temperature regulating device.
Background technology
For the quality problems of producing the special steel appearance such as P20, LG2311 at present, be mainly reflected in the atomization of not mating special steel production technology specially and control cold water curtain system, there are the overproof quality problems of horizontal unevenness in general steel plate simultaneously.
Summary of the invention
The quality problems that the present invention does not conform to regard to being to provide a kind of internal performance fundamentally thoroughly solving restriction Heavy Plate Production high added value steel grade, on-the-spot trial run use shows: this device becomes curtain performance good, the water yield is sufficient, even, good to water quality adaptability, cooling capacity is strong, and adjustment setting is flexible.Maximum one can reach more than 250 DEG C, can meet the automatic atomising spraying cooling temperature regulating device of the technological requirement of rolling rear controlled cooling model.
Solution of the present invention is as follows: a kind of automatic atomising spraying cooling temperature regulating device, according to the needs of our factory products characteristics and production technology, it is arranged on sheet material heat-treatment lines (namely after heat-treatment furnace to thermal straightening machine) and middle plate four roller roll line (namely between two thermal straightening machines) respectively, with on steel plate, lower surface opposite position is arranged along steel plate width direction respectively, the atomizing spray collector of lower both sides, the length that described atomizing spray collector cools according to steel plate, temperature and control need, the atomizing spray collector that steel plate length direction is set to some groups forms the structure of a section, on described, the atomizing spray collector of lower both sides comprises a control valve separately, 2-7 nozzle, a spray thrower, this section is made to form a water curtain section when spraying, described water curtain section is distributed in the leading portion of sheet material heat-treatment lines, stage casing, back segment, forms three sections of water curtains or is distributed in leading portion, the back segment of middle plate four roller roll line, form two sections of water curtains.; According to the needs of technique and control, every section of water curtain length can be arranged flexibly, as heat-treatment lines every section water curtain is about 6 meters.
Technical scheme also comprises more specifically: described atomizing spray collector adopts two side by side configuration, comprise two upper fog discharge spray throwers, two control valves, a 2-7 nozzle, the water curtain of evenly spray is arranged at the unequal interval of nozzle quantity that on every root, fog discharge spray thrower is installed.
Further: according to the difference of production technology and working region temperature, require to there are differences the control of steel plate cooling, nozzle is also different to the height of surface of steel plate, sheet material heat-treatment lines is arranged roll surface 680-750mm on nozzle distance, roll surface 550-650mm on lower row's nozzle distance.。Namely the height of nozzle is higher, and the sector of sprinkling is larger, and particle is less, then cool more even, but cooling water inflow is little, and cooling temperature drop is little.As heat-treatment lines, it requires that cooling evenly, meets technique needs, therefore select the height of nozzle higher by repeatedly cooling.Middle plate four roller roll line place steel billet temperature is high, and rhythm of production is fast, requires that cooling velocity is fast, and does not possess the condition repeatedly cooled when producing, therefore selects the height of nozzle lower.Further: when being arranged in middle plate four rolling lineman's condition, the described middle leading portion of plate four roller roll line atomizing sprayer, the upper and lower of back segment arrange in a row each 30 groups of pipe, often organize five nozzles; Wherein roll surface 500-550mm, roll surface 350-450mm on lower row's nozzle distance on upper row's nozzle distance.Further: to arrange in a row on every two groups between pipe and be provided with one group of upper surface of steel plate air-blowing side-spraying device.
Further: be provided with one group of upper surface of steel plate air-blowing side-spraying device in the exit of back segment.
Further: to arrange in a row pipe at leading portion, back segment subdrain pipe is all installed and is equipped with ball valve.
Further: to be separately installed with temperature-detecting device in the exit of the porch of leading portion, stage casing, back segment, to realize the control in Cooling Process for Steel Plate Based.
Advantage of the present invention is the quality problems that the internal performance fundamentally thoroughly solving restriction Heavy Plate Production high added value steel grade does not conform to, on-the-spot trial run use shows: this device becomes curtain performance good, and the water yield is sufficient, even, good to water quality adaptability, cooling capacity is strong, and adjustment setting is flexible.Maximum one can reach more than 250 DEG C, can meet the technological requirement of rolling rear controlled cooling model.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is embodiment when being arranged in sheet material heat-treatment lines operating mode.
Fig. 3 is the A-A sectional view of Fig. 2.
Fig. 4 is the arrangement of nozzles schematic diagram of the first row when one group of spray thrower collects seed two side by side configuration.
Fig. 5 is the arrangement of nozzles schematic diagram of the second row when one group of spray thrower adopts two side by side configuration.
Fig. 6 is embodiment when being arranged in middle plate four rolling lineman's condition.
Fig. 7 is the A direction view of Fig. 6.
Fig. 8 is the structure chart of middle plate four roller roll line one group of spray thrower.
In accompanying drawing:
Detailed description of the invention:
As shown in Figure 1, the present invention arranges atomizing spray collector in the upper and lower both sides of width at thick kind steel plate 3 or thin kind steel plate 4 and (namely goes up fog discharge spray thrower 2, lower fog discharge spray thrower 6, upper fog discharge spray thrower 2 is provided with 2-7 upper row's nozzle 1, and lower fog discharge spray thrower 2 is provided with 2-7 lower row's nozzle 5.
Fig. 2 is embodiment when being arranged in sheet material heat-treatment lines operating mode, upper row's main-supply 13 from left to right by one group on the mode of fog discharge spray thrower 16 be provided with 36 groups, the upper fog discharge spray thrower 2 often organized adopts two side by side configuration, comprise two upper fog discharge spray thrower 2, two control valves 23, a 2-7 nozzle, wherein the nozzle quantity of upper fog discharge spray thrower 2 installation is three, as shown in Figure 4; The nozzle quantity that on another root, fog discharge spray thrower 2 is installed is two, and as shown in Figure 5, the water curtain of evenly spray is arranged at unequal interval.
On above-mentioned seven groups, fog discharge spray thrower is arranged in the leading portion left side of left end Pneumatic valve 14 (in the Fig. 2) of sheet material heat-treatment lines, stage casing (in Fig. 2 between two ends Pneumatic valve 14), the back segment right side of right-hand member Pneumatic valve 14 (in the Fig. 2) respectively, long 6 meters of every section of water curtain; In like manner, under seven groups, fog discharge spray thrower is arranged in the leading portion left side of left end Pneumatic valve 14 (in the Fig. 2) of sheet material heat-treatment lines, stage casing (in Fig. 2 between two ends Pneumatic valve 14), the back segment right side of right-hand member Pneumatic valve 14 (in the Fig. 2) respectively, every section of water curtain grows 6 meters, is provided with flow control valve 23 in upper and lower fog discharge spray thrower outlet.Wherein upper row's nozzle 1 is apart from upper roll surface 680-750mm, and lower row's nozzle 5 is apart from upper roll surface 550-650mm.In atomizing sprayer, be provided with one group of upper surface air-blowing side-spraying device 15 between two groups of collectors, can remove rapidly on steel plate and show ponding, amount to 9 groups, automatic side spray can be realized.For guaranteeing spray-chilling temperature regulating device stable water pressure, on supply channel and collector, Pressure gauge 22 is installed respectively, totally 6, for monitoring and regulating, pipeline is near, far-end hydraulic pressure, is arranged on main line 1 respectively, arranges feed pipe near-end, each 1 of far-end, far-end collector afterbody 1 up and down.
As shown in Figure 2, respectively temperature-detecting device is installed in the entrance of this device, stage casing and exit, controls with the temperature realized in Cooling Process for Steel Plate Based; For avoiding surplus water droplet in the cold main confession pipeline of control to fall on the impact of steel plate, at upper row's main-supply lower, draining valve 19 is installed, can rapidly by emptying for water remaining in pipeline.
According to need of production, for the difference of different steel grade and different-thickness steel plate institute water requirement, in water system, be equipped with lift 30m, the booster pump of latus rectum DN100, it can realize VFC, to meet need of production.
In being arranged in shown in Fig. 6,7 plate four roller roll line embodiment in, described atomizing sprayer divides front and rear sections to control, and as shown in Figure 6: leading portion is BC section, back segment is CD section.The front and rear sections of atomizing sprayer is upper and lower arranges in a row each 30 groups of pipe, and wherein often organize collector five nozzles (as shown in Figure 8), upper row's nozzle 1 is apart from upper roll surface 500-550mm, and lower row's nozzle 5 is apart from upper roll surface 350-450mm.Only establish one group of air-blowing side-spraying device 15 in spray equipment outlet, realize rapid purging steel plate being shown residual water.Leading portion, back segment are arranged main-supply subdrain pipe 24 is all installed and is equipped with ball valve totally 3 groups.Reserved cooling water rapid deflation in pipeline.Upper and lower pipe of arranging in a row is provided with ball valve 20, totally 60.Totally 7, pressure detecting table, for detecting the pressure detecting of beginning, terminal, being arranged on the main-supply inlet pressure gauge 28 of main line respectively, upper row is main for washing pipe inlet pressure gauge 26, lower row's main-supply inlet pressure gauge 27, upper fog discharge spray thrower forefront pressure table 29, lower fog discharge spray thrower forefront pressure table 30.Technique scheme can realize operating desk Long-distance Control and open and water-quantity regulating device nearby.Balance and stability water system pressure is equipped with lift 30M, the booster pump of latus rectum DN100.
Claims (8)
1. an automatic atomising spraying cooling temperature regulating device, it is arranged on sheet material heat-treatment lines (namely after heat-treatment furnace to thermal straightening machine) and middle plate four roller roll line (namely between two thermal straightening machines) respectively, it is characterized in that: with on steel plate, lower surface opposite position is arranged along steel plate width direction respectively, the atomizing spray collector of lower both sides, the length that described atomizing spray collector cools according to steel plate, temperature and control need, the atomizing spray collector that steel plate length direction is set to some groups forms the structure of a section, on described, the atomizing spray collector of lower both sides comprises a control valve separately, 2-7 nozzle, a spray thrower, this section is made to form a water curtain section when spraying, described water curtain section is distributed in the leading portion of sheet material heat-treatment lines, stage casing, back segment, forms three sections of water curtains or is distributed in leading portion, the back segment of middle plate four roller roll line, form two sections of water curtains.
2. automatic atomising spraying cooling temperature regulating device according to claim 1, it is characterized in that: described atomizing spray collector adopts two side by side configuration, comprise two upper fog discharge spray throwers, two control valves, a 2-7 nozzle, the water curtain of evenly spray is arranged at the unequal interval of nozzle quantity that on every root, fog discharge spray thrower is installed.
3. automatic atomising spraying cooling temperature regulating device according to claim 1, it is characterized in that: according to the difference of production technology and working region temperature, require to there are differences the control of steel plate cooling, nozzle is also different to the height of surface of steel plate, sheet material heat-treatment lines is arranged roll surface 680-750mm on nozzle distance, roll surface 550-650mm on lower row's nozzle distance.
4. automatic atomising spraying cooling temperature regulating device according to claim 1, it is characterized in that: when being arranged in middle plate four rolling lineman's condition, the described leading portion of middle plate four roller roll line atomizing sprayer, the upper and lower of back segment arrange in a row each 30 groups of pipe, often organize five nozzles; Wherein roll surface 500-550mm, roll surface 350-450mm on lower row's nozzle distance on upper row's nozzle distance.
5. automatic atomising spraying cooling temperature regulating device according to claim 1, is characterized in that: arrange in a row on every two groups between pipe and be provided with one group of upper surface of steel plate air-blowing side-spraying device.
6. automatic atomising spraying cooling temperature regulating device according to claim 1, is characterized in that: be provided with one group of upper surface of steel plate air-blowing side-spraying device in the exit of back segment.
7. automatic atomising spraying cooling temperature regulating device according to claim 1, is characterized in that: arrange in a row pipe and all install subdrain pipe at leading portion, back segment and be equipped with ball valve.
8. automatic atomising spraying cooling temperature regulating device according to claim 1, is characterized in that: be separately installed with temperature-detecting device in the exit of the porch of leading portion, stage casing, back segment, to realize the control in Cooling Process for Steel Plate Based.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511014880.9A CN105499285A (en) | 2015-12-31 | 2015-12-31 | Automatic atomization spray cooling temperature controlling device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201511014880.9A CN105499285A (en) | 2015-12-31 | 2015-12-31 | Automatic atomization spray cooling temperature controlling device |
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| CN105499285A true CN105499285A (en) | 2016-04-20 |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109311068A (en) * | 2016-08-09 | 2019-02-05 | 东芝三菱电机产业系统株式会社 | The outlet side temperature control system of roll mill |
| CN110328237A (en) * | 2019-08-10 | 2019-10-15 | 中铝东南材料院（福建）科技有限公司 | A kind of preparation method of large scale 5N rafifinal target |
| CN111097621A (en) * | 2019-11-07 | 2020-05-05 | 柳州钢铁股份有限公司 | Rust-proof and demisting device for bars |
| CN112522481A (en) * | 2020-11-13 | 2021-03-19 | 江苏联峰能源装备有限公司 | Control method of net-shaped carbide of hot-rolled bearing steel |
| CN113245381A (en) * | 2020-03-24 | 2021-08-13 | 宝山钢铁股份有限公司 | On-line cooling system and cooling method for sized seamless steel tube |
| CN113758113A (en) * | 2021-09-23 | 2021-12-07 | 成都流体动力创新中心 | Cooling system, device and method for electromagnetic suspension device of vacuum pipeline magnetic-levitation train |
| CN114011181A (en) * | 2022-01-04 | 2022-02-08 | 唐山瑞丰钢铁（集团）有限公司 | Dust suppression device and method for hot coil box |
| CN114618899A (en) * | 2022-03-14 | 2022-06-14 | 青岛雷霆重工股份有限公司 | Heat dissipation cooling device and cooling method |
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| CN203292196U (en) * | 2013-03-15 | 2013-11-20 | 重庆钢铁(集团)有限责任公司 | Hot rolling laminar cooling device |
| CN205732312U (en) * | 2015-12-31 | 2016-11-30 | 柳州钢铁股份有限公司 | Automatic atomising spraying cooling temperature regulating device |
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| US3629015A (en) * | 1968-03-19 | 1971-12-21 | Nippon Steel Corp | Method for cooling thick steel plates |
| JPH0768311A (en) * | 1993-06-29 | 1995-03-14 | Kawasaki Steel Corp | Method and device for cooling hot rolled steel sheet |
| RU2007111316A (en) * | 2006-04-10 | 2008-10-10 | Украинский государственный научно-технический центр по технологии и оборудованию, обработке металлов, защите окружающей среды и использованию вторичных ресурсов дл металлургии и машиностроени "Энергосталь" (УкрГНТЦ "Энергосталь") (UA) | DEVICE FOR COOLING A HOT-Rolled SHEET AND STRIP |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109311068A (en) * | 2016-08-09 | 2019-02-05 | 东芝三菱电机产业系统株式会社 | The outlet side temperature control system of roll mill |
| US11033942B2 (en) | 2016-08-09 | 2021-06-15 | Toshiba Mitsubishi-Electric Industrial Systems Corporation | Rolling mill exit side temperature control system |
| CN109311068B (en) * | 2016-08-09 | 2022-11-04 | 东芝三菱电机产业系统株式会社 | Outlet side temperature control system of rolling mill |
| CN110328237A (en) * | 2019-08-10 | 2019-10-15 | 中铝东南材料院（福建）科技有限公司 | A kind of preparation method of large scale 5N rafifinal target |
| CN111097621A (en) * | 2019-11-07 | 2020-05-05 | 柳州钢铁股份有限公司 | Rust-proof and demisting device for bars |
| CN113245381A (en) * | 2020-03-24 | 2021-08-13 | 宝山钢铁股份有限公司 | On-line cooling system and cooling method for sized seamless steel tube |
| CN112522481A (en) * | 2020-11-13 | 2021-03-19 | 江苏联峰能源装备有限公司 | Control method of net-shaped carbide of hot-rolled bearing steel |
| CN113758113A (en) * | 2021-09-23 | 2021-12-07 | 成都流体动力创新中心 | Cooling system, device and method for electromagnetic suspension device of vacuum pipeline magnetic-levitation train |
| CN113758113B (en) * | 2021-09-23 | 2022-09-13 | 成都流体动力创新中心 | Cooling system, device and method for electromagnetic suspension device of vacuum pipeline magnetic suspension train |
| CN114011181A (en) * | 2022-01-04 | 2022-02-08 | 唐山瑞丰钢铁（集团）有限公司 | Dust suppression device and method for hot coil box |
| CN114011181B (en) * | 2022-01-04 | 2022-04-01 | 唐山瑞丰钢铁（集团）有限公司 | Dust suppression device and method for hot coil box |
| CN114618899A (en) * | 2022-03-14 | 2022-06-14 | 青岛雷霆重工股份有限公司 | Heat dissipation cooling device and cooling method |
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Application publication date: 20160420 |