CN104107839B - Improve method and the device of hot rolled steel plate ultra-rapid cooling uniformity - Google Patents
Improve method and the device of hot rolled steel plate ultra-rapid cooling uniformity Download PDFInfo
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- CN104107839B CN104107839B CN201410294842.2A CN201410294842A CN104107839B CN 104107839 B CN104107839 B CN 104107839B CN 201410294842 A CN201410294842 A CN 201410294842A CN 104107839 B CN104107839 B CN 104107839B
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Abstract
The invention discloses a kind of method improving hot rolled steel plate ultra-rapid cooling uniformity and device, belong to metallurgical technology field.The device of described raising hot rolled steel plate ultra-rapid cooling uniformity includes Water-Curta in Cooling mechanism, the straight collector cooling body of high density, ultra-rapid cooling mechanism and air water atomization cooling body；Water-Curta in Cooling mechanism, the straight collector cooling body of high density, ultra-rapid cooling mechanism and air water atomization cooling body are separately positioned on the upper and lower side of steel plate.The present invention improves the method for hot rolled steel plate ultra-rapid cooling uniformity and collector segmentation is realized the control respectively of different parts by device, thus improving the uniformity of cooling.
Description
Technical field
The present invention relates to metallurgical technology field, particularly to a kind of method improving hot rolled steel plate ultra-rapid cooling uniformity and device.
Background technology
Ultra Fast Cooling not only makes hot rolled steel plate performance indications and had had qualitative leap in the past, every cost such as material, resource is also made to be greatly reduced, but in controlling cold process, owing to cooldown rate is big, same plate mechanical property problem uneven, the deformed steel strip such as warpage, glacing flatness difference end to end often occurs.And these problems are largely all owing to cooling procedure non-uniform temperature causes.
Finding by studying, in cooling procedure, the water in the middle part of rolled piece needs to flow through edge and discharges, and causes that the intensity of cooling of rolled piece edge is more than middle part so that produce the temperature difference with edge in the middle part of rolled piece；On the other hand, owing to cooling water is longer than lower surface residence time in upper surface residence time at rolled piece, rolled piece upper and lower surface is made to produce the temperature difference, and the more common section cooling of ultra-rapid cooling has big discharge and pressure so that cooling procedure is more prone to the temperature difference thus causing that properties of product are bad.
Summary of the invention
The technical problem to be solved is to provide a kind of control respectively that collector segmentation realizes different parts, thus improving method and the device of the uniformity of cooling.
For solving above-mentioned technical problem, the invention provides a kind of device improving hot rolled steel plate ultra-rapid cooling uniformity, for the roller repairing of steel plate；The device of described raising hot rolled steel plate ultra-rapid cooling uniformity includes section cooling mechanism, Water-Curta in Cooling mechanism, the straight collector cooling body of high density, ultra-rapid cooling mechanism and air water atomization cooling body；Described section cooling mechanism, Water-Curta in Cooling mechanism, high density straight collector cooling body, ultra-rapid cooling mechanism and air water atomization cooling body are separately positioned on the upper and lower side of described steel plate；Described Water-Curta in Cooling mechanism includes 5-7 section Water-Curta in Cooling collector；Described ultra-rapid cooling mechanism includes 5-7 section ultra-rapid cooling collector；Described high density straight collector cooling body includes the 5-7 straight collector of section high density；Described air water atomization cooling body includes 5-7 section air water atomization collector；Described section cooling mechanism includes 5-7 section section cooling collector；Described Water-Curta in Cooling collector, ultra-rapid cooling collector, the straight collector of high density, air water atomization collector and section cooling collector include support, water supply component, power part, control parts, pipeline and connection member respectively；Described power part is arranged on the bracket；Described power part is connected with described pipeline, controls the lifting of described pipeline, it is achieved the adjustment of pipeline and surface of steel plate distance, designs thus realizing cooling water along the convexity of steel plate cross direction；Described pipeline is connected with described water supply component by described connection member；Described water supply component is connected with described control parts, and water supply component described in described control component controls supplies water；Described ultra-rapid cooling collector also includes ultra-rapid cooling nozzle；Described ultra-rapid cooling nozzle is arranged on the lower end of described pipeline；Described Water-Curta in Cooling collector also includes Water-Curta in Cooling nozzle；Described Water-Curta in Cooling nozzle is arranged on the lower end of described pipeline；The straight collector of described high density also includes high density cooling nozzle；Described high density cooling nozzle is arranged on the lower end of described pipeline；Described air water atomization collector also includes air water atomizing cooling nozzle；Described air water atomizing cooling nozzle is arranged on the lower end of described pipeline；Described section cooling collector also includes section cooling nozzle；Described section cooling nozzle is arranged on the lower end of described pipeline.
Further, described power part includes drive motor and gear-box；Described drive motor is arranged on the bracket；Described drive motor is connected with described gear-box, drives described gear-box action；Described gear-box is connected with described pipeline, drives described pipeline knee-action, it is achieved the adjustment of pipeline and surface of steel plate distance, designs thus realizing cooling water along the convexity of steel plate cross direction.
Further, described connection member includes flexible pipe；Described pipeline is connected with described water supply component by described flexible pipe；Described flexible pipe can realize moving up and down of pipeline.
Further, described water supply component includes water pump, water supply line and water tank；Described water supply line is connected with described water tank by described water pump；Described water supply line is connected with described pipeline.
Further, described control parts include pressure transducer, control valve and effusion meter；Described pressure transducer, control valve and effusion meter are arranged on described water supply line；Described pressure transducer is connected with described water pump, gives described water pump by pressure signal transmission, controls water pressure.
Further, described control valve includes electromagnetic valve, electric control valve and ball valve；Described electromagnetic valve is arranged on described water supply line, water supply line described in opening and closing；Described electric control valve is arranged on described water supply line, for regulating water flow；Described ball valve is arranged on described water supply line, is used for when described electromagnetic valve is out of control, water supply line described in manual-lock.
A kind of method improving hot rolled steel plate ultra-rapid cooling uniformity, for cooling metal sheets；The method improving hot rolled steel plate ultra-rapid cooling uniformity comprises the following steps: step 1, arranges section cooling mechanism, Water-Curta in Cooling mechanism, the straight collector cooling body of high density, ultra-rapid cooling mechanism or air water atomization cooling body according to the needs of cooling metal sheets on support；Step 2, when steel plate enters cooled region, steel plate is sent in support, be respectively provided with the 5-7 section section cooling collector of section cooling mechanism, the 5-7 section Water-Curta in Cooling collector of Water-Curta in Cooling mechanism, the 5-7 straight collector of section high density of high density straight collector cooling body, the 5-7 section ultra-rapid cooling collector of ultra-rapid cooling mechanism or the 5-7 section air water of air water atomization cooling body at steel plate upper and lower side and be atomized collector；Step 3, opens the drive motor on section cooling collector, Water-Curta in Cooling collector, the straight collector of high density, ultra-rapid cooling collector or air water atomization collector；Step 4, drive motor drives the gear-box on section cooling collector, Water-Curta in Cooling collector, the straight collector of high density, ultra-rapid cooling collector or air water atomization collector, and gear-box drives the pipeline knee-action of ultra-rapid cooling collector, Water-Curta in Cooling collector, the straight collector of high density, section cooling collector or air water atomization collector；Step 5, the cooling needs according to steel plate, accurately adjusted the height of pipeline by gear-box, it is achieved same traffic downforce designs along the convexity of steel plate cross direction；Step 6, pipeline is connected with water supply component by connection member；Step 7, starts the control parts on water supply component to piped water supply；Step 8, cooled down nozzle, the ultra-rapid cooling nozzle of ultra-rapid cooling collector or the air water atomizing cooling nozzle injection cooling water of air water atomization collector by the high density of the section cooling nozzle of section cooling collector, the Water-Curta in Cooling nozzle of Water-Curta in Cooling collector, the straight collector of high density steel plate is cooled down.
Further, described connection member includes flexible pipe；Described pipeline is connected with described water supply component by described flexible pipe；Described flexible pipe can realize moving up and down of pipeline.
Further, described water supply component includes water pump, water supply line and water tank；Described water supply line is connected with described water tank by described water pump；Described water supply line is connected with pipeline.
Further, described control parts include pressure transducer, electromagnetic valve, electric control valve, ball valve and effusion meter；Described pressure transducer, electromagnetic valve, electric control valve, ball valve and effusion meter are arranged on described water supply line；Described pressure transducer is connected with described water pump, gives described water pump by pressure signal transmission, controls water pressure；Described electromagnetic valve is arranged on described water supply line, water supply line described in opening and closing；Described electric control valve is arranged on described water supply line, for regulating water flow；Described ball valve is arranged on described water supply line, is used for when described electromagnetic valve is out of control, water supply line described in manual-lock.
The section cooling mechanism of the device of raising hot rolled steel plate ultra-rapid cooling uniformity provided by the invention, Water-Curta in Cooling mechanism, the straight collector cooling body of high density, ultra-rapid cooling mechanism and air water atomization cooling body are separately positioned on the upper and lower side of steel plate, Water-Curta in Cooling mechanism includes 5-7 section Water-Curta in Cooling collector, ultra-rapid cooling mechanism includes 5-7 section ultra-rapid cooling collector, high density straight collector cooling body includes the 5-7 straight collector of section high density, air water atomization cooling body includes 5-7 section air water atomization collector, section cooling mechanism includes 5-7 section section cooling collector, Water-Curta in Cooling collector, ultra-rapid cooling collector, the straight collector of high density, air water atomization collector and section cooling collector include support respectively, water supply component, power part, control parts, pipeline and connection member, power part is arranged on the bracket, power part is connected with described pipeline, control the lifting of described pipeline, realize pressure to design along the convexity of steel plate cross direction, pipeline is connected with water supply component by described connection member, water supply component is connected with controlling parts, control component controls water supply component to supply water, ultra-rapid cooling collector also includes ultra-rapid cooling nozzle, ultra-rapid cooling nozzle is arranged on the lower end of pipeline, Water-Curta in Cooling collector also includes Water-Curta in Cooling nozzle, Water-Curta in Cooling nozzle is arranged on the lower end of pipeline, the straight collector of high density also includes high density cooling nozzle, high density cooling nozzle is arranged on the lower end of pipeline, air water atomization collector also includes air water atomizing cooling nozzle, air water atomizing cooling nozzle is arranged on the lower end of pipeline, section cooling collector also includes section cooling nozzle, section cooling nozzle is arranged on the lower end of pipeline, by section cooling collector, Water-Curta in Cooling collector, the straight collector of high density, ultra-rapid cooling collector and air water atomization collector segmentation realize the control respectively of different parts, thus improving the uniformity of cooling.
Accompanying drawing explanation
The structural representation of the super cold quick cooling manifold that Fig. 1 provides for the embodiment of the present invention；
The structural representation of the Water-Curta in Cooling collector that Fig. 2 provides for the embodiment of the present invention；
The structural representation of the straight collector of high density that Fig. 3 provides for the embodiment of the present invention；
The structural representation of the air water atomization collector that Fig. 4 provides for the embodiment of the present invention；
The structural representation of the section cooling collector that Fig. 5 provides for the embodiment of the present invention；
The structural scheme of mechanism of the ultra-rapid cooling mechanism that Fig. 6 provides for the embodiment of the present invention；
The structural representation controlling parts that Fig. 7 provides for the embodiment of the present invention；
The workflow diagram of the straight collector cooling body of ultra-rapid cooling mechanism, section cooling mechanism and high density that Fig. 8 provides for the embodiment of the present invention.
Detailed description of the invention
Referring to Fig. 1-7, a kind of device improving hot rolled steel plate ultra-rapid cooling uniformity that the embodiment of the present invention provides, it is atomized cooling body including section cooling mechanism, Water-Curta in Cooling mechanism, the straight collector cooling body of high density, ultra-rapid cooling mechanism and air water.Section cooling mechanism, Water-Curta in Cooling mechanism, the straight collector cooling body of high density, ultra-rapid cooling mechanism and air water atomization cooling body are separately positioned on the upper and lower side of steel plate 3.Water-Curta in Cooling mechanism includes 5-7 section Water-Curta in Cooling collector, if collector is too much, wayward, if collector is very few, it is easy to forming non-percussion district, cause inhomogeneous cooling, often the spacing of adjacent two collectors controls in 5mm, it is prevented that the inhomogeneous cooling to steel plate 3；It is respectively provided with 5-7 section Water-Curta in Cooling collector in steel plate 3 upper and lower surface；Ultra-rapid cooling mechanism includes 5-7 section ultra-rapid cooling collector, if collector is too much, wayward, if collector is very few, it is easy to forming non-percussion district, cause inhomogeneous cooling, often the spacing of adjacent two collectors controls in 5mm, it is prevented that the inhomogeneous cooling to steel plate 3；It is respectively provided with 5-7 section ultra-rapid cooling collector in steel plate 3 upper and lower surface；High density straight collector cooling body includes the 5-7 straight collector of section high density, if collector is too much, wayward, if collector is very few, it is easy to form non-percussion district, cause inhomogeneous cooling, often the spacing of adjacent two collectors controls in 5mm, it is prevented that the inhomogeneous cooling to steel plate 3；It is respectively provided with the 5-7 straight collector of section high density in steel plate 3 upper and lower surface；Air water atomization cooling body includes 5-7 section air water atomization collector, if collector is too much, wayward, if collector is very few, it is easy to forming non-percussion district, cause inhomogeneous cooling, often the spacing of adjacent two collectors controls in 5mm, it is prevented that the inhomogeneous cooling to steel plate 3；It is respectively provided with 5-7 section air water atomization collector in steel plate 3 upper and lower surface；Section cooling mechanism includes 5-7 section section cooling collector, if collector is too much, wayward, if collector is very few, it is easy to forming non-percussion district, cause inhomogeneous cooling, often the spacing of adjacent two collectors controls in 5mm, it is prevented that the inhomogeneous cooling to steel plate 3；It is respectively provided with 5-7 section section cooling collector in steel plate 3 upper and lower surface.Water-Curta in Cooling collector, ultra-rapid cooling collector, the straight collector of high density, air water atomization collector and section cooling collector include support 6, water supply component, power part, control parts, pipeline 5 and connection member respectively.Power part is arranged on the frame 6；Power part is connected with pipeline 5, controls the lifting of described pipeline 5, it is achieved pressure designs along the convexity of steel plate 3 plate width direction；Power part includes drive motor 2 and gear-box 1；Drive motor 2 is bolted on support 6；Drive motor is connected with gear-box 1, drives gear-box 1 action；Gear-box 1 is connected with pipeline 5, drives pipeline 5 knee-action, it is achieved the adjustment of pipeline 5 and steel plate 3 surface distance, design thus realizing cooling water along the convexity of steel plate 3 plate width direction, realizing the accurate adjustment of the height on the collector distance upper and lower surface of steel plate 3, range of accommodation is 300mm, and precision reaches 1mm.Pipeline 5 is connected with water supply component by connection member；Connection member includes flexible pipe 4；Pipeline is connected with water supply component by flexible pipe 4；Flexible pipe 4 can realize moving up and down of pipeline 5.Water supply component includes water pump, water supply line and water tank；Water supply line is connected with water tank by water pump；Water supply line is connected with pipeline 5.Water supply component is connected with controlling parts, controls component controls water supply component and supplies water；Control parts and realize the water of upper and lower surface of steel plate arbitrary proportion on the one hand than adjustment, realize any regulation control part of the discharge of different parts along strip width direction on the other hand；Control parts to include pressure transducer 12, control valve and effusion meter 13；Pressure transducer 12, control valve and effusion meter 13 are arranged on water supply line；Pressure transducer 12 is connected with water pump, the water pressure in detection pipeline 5, by pressure signal transmission feed pump, regulates parameters of pump, controls water pressure.Control valve and include electromagnetic valve 14, electric control valve 15 and ball valve 16；Electromagnetic valve 14 is arranged on water supply line, for opening and closing water supply line；Electric control valve 15 is arranged on water supply line, for regulating water flow；Ball valve 16 is arranged on water supply line, for when electromagnetic valve 14 is out of control, closing water supply line.Ultra-rapid cooling collector includes ultra-rapid cooling nozzle 7；Ultra-rapid cooling nozzle 7 is arranged on the lower end of pipeline 5.Water-Curta in Cooling collector includes Water-Curta in Cooling nozzle 8；Water-Curta in Cooling nozzle 8 is arranged on the lower end of pipeline 5.The straight collector of high density includes high density cooling nozzle 9；High density cooling nozzle 9 is arranged on the lower end of pipeline 5.Air water atomization collector includes air water atomizing cooling nozzle 10；Air water atomizing cooling nozzle 10 is arranged on the lower end of pipeline 5.Section cooling collector includes section cooling nozzle 11；Section cooling nozzle 11 is arranged on the lower end of pipeline 5.
A kind of method improving hot rolled steel plate ultra-rapid cooling uniformity, comprise the following steps: step 1, according to cooling metal sheets 3 need arrange on the frame 6 section cooling mechanism, Water-Curta in Cooling mechanism, the straight collector cooling body of high density, ultra-rapid cooling mechanism or air water atomization cooling body；Step 2, when steel plate 3 enters cooled region, steel plate 3 is sent in support 6, be respectively provided with 5-7 section cooling collector of section cooling mechanism, the 5-7 section Water-Curta in Cooling collector of Water-Curta in Cooling mechanism, the 5-7 straight collector of section high density of high density straight collector cooling body, the 5-7 section ultra-rapid cooling collector of ultra-rapid cooling mechanism or the 5-7 section air water of air water atomization cooling body at steel plate 3 upper and lower side and be atomized collector；Step 3, opens the drive motor 2 on section cooling collector, Water-Curta in Cooling collector, the straight collector of high density, ultra-rapid cooling collector or air water atomization collector；Step 4, drive motor 2 drives the gear-box 1 on section cooling collector, Water-Curta in Cooling collector, the straight collector of high density, ultra-rapid cooling collector or air water atomization collector, and gear-box 1 drives pipeline 5 knee-action of ultra-rapid cooling collector, Water-Curta in Cooling collector, the straight collector of high density, section cooling collector or air water atomization collector；Step 5, the cooling needs according to steel plate 3, accurately adjusted the height of pipeline by gear-box 1, it is achieved same traffic downforce designs along the convexity of steel plate 3 plate width direction；Step 6, pipeline 5 is connected with water supply component by connection member；Connection member includes flexible pipe 4；Pipeline 5 is connected with water supply component by flexible pipe 4；Pipeline 5 can pass through flexible pipe 4 and move up and down；Water supply component includes water pump, water supply line and water tank；Water supply line is connected with water tank by described water pump；Water supply line is connected with pipeline；Step 7, pipeline 5 is supplied water by the control parts started on water supply component；Control parts and include pressure transducer 12, electromagnetic valve 14, electric control valve 15, ball valve 16 and effusion meter 13；Described pressure transducer 12, electromagnetic valve 14, electric control valve 15, ball valve 16 and effusion meter 13 are arranged on water supply line；Pressure transducer 12 is connected with water pump, by pressure signal transmission feed pump, controls water pressure；Electromagnetic valve 14 is arranged on water supply line, for opening and closing water supply line；Electric control valve 15 is arranged on water supply line, for regulating water flow；Ball valve 16 is arranged on water supply line, for when electromagnetic valve 14 is out of control, closing water supply line；Step 8, cooled down nozzle 9, the ultra-rapid cooling nozzle 7 of ultra-rapid cooling collector or the air water atomizing cooling nozzle 10 of air water atomization collector by the high density of the section cooling nozzle 11 of section cooling collector, the Water-Curta in Cooling nozzle 8 of Water-Curta in Cooling collector, the straight collector of high density steel plate 3 is cooled down.
Embodiment 1
Referring to Fig. 8, according to cooling metal sheets 3 needs, step 1, according to cooling metal sheets 3 need the straight collector cooling body of ultra-rapid cooling mechanism, section cooling mechanism and high density is set on the frame 6；Step 2, when steel plate 3 enters cooled region, steel plate 3 is sent in support 6, be respectively provided with the 5-7 straight collector of section high density of the 5-7 section ultra-rapid cooling collector of ultra-rapid cooling mechanism, the 5-7 section section cooling collector of section cooling mechanism and high density straight collector cooling body at steel plate 3 upper and lower side；Every Neighbor Set tube pitch is within 5mm；Step 3, opens the drive motor 2 on section cooling collector, the straight collector of high density and ultra-rapid cooling collector；Step 4, drive motor 2 drives the gear-box 1 on the straight collector of section cooling collector, high density and ultra-rapid cooling collector, and gear-box 1 drives pipeline 5 knee-action of the straight collector of ultra-rapid cooling collector, high density and section cooling collector；Step 5, the cooling needs according to steel plate 3, accurately adjusted the height of pipeline by gear-box 1, it is achieved same traffic downforce designs along the convexity of steel plate 3 plate width direction；Step 6, pipeline 5 is connected with water supply component by connection member；Connection member includes flexible pipe 4；Pipeline 5 is connected with water supply component by flexible pipe 4；Pipeline 5 can pass through flexible pipe 4 and move up and down；Water supply component includes water pump, water supply line and water tank；Water supply line is connected with water tank by described water pump；Water supply line is connected with pipeline；Step 7, pipeline 5 is supplied water by the control parts started on water supply component；Control parts and include pressure transducer 12, electromagnetic valve 14, electric control valve 15, ball valve 16 and effusion meter 13；Described pressure transducer 12, electromagnetic valve 14, electric control valve 15, ball valve 16 and effusion meter 13 are arranged on water supply line；Pressure transducer 12 is connected with water pump, and the water pressure in detection pipeline 5, by pressure signal transmission feed pump；Electromagnetic valve 14 is arranged on water supply line, for opening and closing water supply line；Electric control valve 15 is arranged on water supply line, for regulating water flow；Ball valve 16 is arranged on water supply line, for when electromagnetic valve 14 is out of control, closing water supply line；Step 8, by the high density cooling nozzle 9 of the ultra-rapid cooling nozzle 7 of ultra-rapid cooling collector, the section cooling nozzle 11 of section cooling collector and high density straight collector, steel plate 3 is cooled down.
Embodiment 2
According to cooling metal sheets 3 needs, step 1, according to cooling metal sheets 3 need the straight collector cooling body of high density, ultra-rapid cooling mechanism or air water atomization cooling body are set on the frame 6；Step 2, when steel plate 3 enters cooled region, steel plate 3 is sent in support 6, be respectively provided with the straight collector of 5-7 high density of high density straight collector cooling body, 5-7 ultra-rapid cooling collector of ultra-rapid cooling mechanism or 5-7 air water of air water atomization cooling body at steel plate 3 upper and lower side and be atomized collector；Step 3, opens the drive motor 2 on the straight collector of high density, ultra-rapid cooling collector or air water atomization collector；Step 4, drive motor 2 drives the gear-box 1 on the straight collector of high density, ultra-rapid cooling collector or air water atomization collector, and gear-box 1 drives the straight collector of ultra-rapid cooling collector, high density or pipeline 5 knee-action of air water atomization collector；Step 5, the cooling needs according to steel plate 3, accurately adjusted the height of pipeline by gear-box 1, it is achieved same traffic downforce designs along the convexity of steel plate 3 plate width direction；Step 6, pipeline 5 is connected with water supply component by connection member；Connection member includes flexible pipe 4；Pipeline 5 is connected with water supply component by flexible pipe 4；Pipeline 5 can pass through flexible pipe 4 and move up and down；Water supply component includes water pump, water supply line and water tank；Water supply line is connected with water tank by described water pump；Water supply line is connected with pipeline；Step 7, pipeline 5 is supplied water by the control parts started on water supply component；Control parts and include pressure transducer 12, electromagnetic valve 14, electric control valve 15, ball valve 16 and effusion meter 13；Described pressure transducer 12, electromagnetic valve 14, electric control valve 15, ball valve 16 and effusion meter 13 are arranged on water supply line；Pressure transducer 12 is connected with water pump, and the water pressure in detection pipeline 5, by pressure signal transmission feed pump；Electromagnetic valve 14 is arranged on water supply line, for opening and closing water supply line；Electric control valve 15 is arranged on water supply line, for regulating water flow；Ball valve 16 is arranged on water supply line, for when electromagnetic valve 14 is out of control, closing water supply line；Steel plate 3 is cooled down by the high density cooling nozzle 9 of the straight collector of step 8, high density, the ultra-rapid cooling nozzle 7 of ultra-rapid cooling collector or the air water atomizing cooling nozzle 10 of air water atomization collector.
Embodiment 3
According to cooling metal sheets 3 needs, step 1, when steel plate 3 enters cooled region, according to cooling metal sheets 3 need section cooling mechanism, ultra-rapid cooling mechanism or air water atomization cooling body are set on the frame 6；Step 2, sends into steel plate 3 in support 6, is respectively provided with the 5-7 section section cooling collector of section cooling mechanism, the 5-7 section ultra-rapid cooling collector of ultra-rapid cooling mechanism or the 5-7 section air water of air water atomization cooling body at steel plate 3 upper and lower side and is atomized collector；Step 3, opens the drive motor 2 on section cooling collector, ultra-rapid cooling collector or air water atomization collector；Step 4, drive motor 2 drives the gear-box 1 on section cooling collector, ultra-rapid cooling collector or air water atomization collector, and gear-box 1 drives pipeline 5 knee-action of ultra-rapid cooling collector, section cooling collector or air water atomization collector；Step 5, the cooling needs according to steel plate 3, accurately adjusted the height of pipeline by gear-box 1, it is achieved same traffic downforce designs along the convexity of steel plate 3 plate width direction；Step 6, pipeline 5 is connected with water supply component by connection member；Connection member includes flexible pipe 4；Pipeline 5 is connected with water supply component by flexible pipe 4；Pipeline 5 can pass through flexible pipe 4 and move up and down；Water supply component includes water pump, water supply line and water tank；Water supply line is connected with water tank by described water pump；Water supply line is connected with pipeline；Step 7, pipeline 5 is supplied water by the control parts started on water supply component；Control parts and include pressure transducer 12, electromagnetic valve 14, electric control valve 15, ball valve 16 and effusion meter 13；Described pressure transducer 12, electromagnetic valve 14, electric control valve 15, ball valve 16 and effusion meter 13 are arranged on water supply line；Pressure transducer 12 is connected with water pump, by pressure signal transmission feed pump, controls water pressure；Electromagnetic valve 14 is arranged on water supply line, for opening and closing water supply line；Electric control valve 15 is arranged on water supply line, for regulating water flow；Ball valve 16 is arranged on water supply line, for when electromagnetic valve 14 is out of control, closing water supply line；Steel plate 3 is cooled down by step 8, air water atomizing cooling nozzle 10 by the section cooling nozzle 11 of section cooling collector, the ultra-rapid cooling nozzle 7 of ultra-rapid cooling collector or air water atomization collector.
The section cooling mechanism of the device of raising hot rolled steel plate ultra-rapid cooling uniformity provided by the invention, Water-Curta in Cooling mechanism, the straight collector cooling body of high density, ultra-rapid cooling mechanism and air water atomization cooling body are separately positioned on the upper and lower side of steel plate, Water-Curta in Cooling mechanism includes 5-7 section Water-Curta in Cooling collector, ultra-rapid cooling mechanism includes 5-7 section ultra-rapid cooling collector, high density straight collector cooling body includes the 5-7 straight collector of section high density, air water atomization cooling body includes 5-7 section air water atomization collector, section cooling mechanism includes 5-7 section section cooling collector, Water-Curta in Cooling collector, ultra-rapid cooling collector, the straight collector of high density, air water atomization collector and section cooling collector include support respectively, water supply component, power part, control parts, pipeline and connection member, power part is arranged on the bracket, power part is connected with described pipeline, control the lifting of described pipeline, realize pressure to design along the convexity of steel plate cross direction, pipeline is connected with water supply component by described connection member, water supply component is connected with controlling parts, control component controls water supply component to supply water, ultra-rapid cooling collector includes ultra-rapid cooling nozzle, ultra-rapid cooling nozzle is arranged on the lower end of pipeline, Water-Curta in Cooling collector includes Water-Curta in Cooling nozzle, Water-Curta in Cooling nozzle is arranged on the lower end of pipeline, the straight collector of high density includes high density cooling nozzle, high density cooling nozzle is arranged on the lower end of pipeline, air water atomization collector includes air water atomizing cooling nozzle, air water atomizing cooling nozzle is arranged on the lower end of pipeline, section cooling collector includes section cooling nozzle, section cooling nozzle is arranged on the lower end of pipeline, by section cooling collector, Water-Curta in Cooling collector, the straight collector of high density, ultra-rapid cooling collector and air water atomization collector segmentation realize the control respectively of different parts, thus improving the uniformity of cooling.
It should be noted last that, above detailed description of the invention is only in order to illustrate technical scheme and unrestricted, although the present invention being described in detail with reference to example, it will be understood by those within the art that, technical scheme can be modified or equivalent replacement, without deviating from the spirit and scope of technical solution of the present invention, it all should be encompassed in the middle of scope of the presently claimed invention.
Claims (10)
1. improve a device for hot rolled steel plate ultra-rapid cooling uniformity, for the roller repairing of steel plate (3)；It is characterized in that, the device of described raising hot rolled steel plate ultra-rapid cooling uniformity includes: section cooling mechanism, Water-Curta in Cooling mechanism, the straight collector cooling body of high density, ultra-rapid cooling mechanism and air water atomization cooling body；Described section cooling mechanism, Water-Curta in Cooling mechanism, high density straight collector cooling body, ultra-rapid cooling mechanism and air water atomization cooling body are separately positioned on the upper and lower side of described steel plate (3)；Described Water-Curta in Cooling mechanism includes 5-7 section Water-Curta in Cooling collector；Described ultra-rapid cooling mechanism includes 5-7 section ultra-rapid cooling collector；Described high density straight collector cooling body includes the 5-7 straight collector of section high density；Described air water atomization cooling body includes 5-7 section air water atomization collector；Described section cooling mechanism includes 5-7 section section cooling collector；Described Water-Curta in Cooling collector, ultra-rapid cooling collector, the straight collector of high density, air water atomization collector and section cooling collector include support (6), water supply component, power part, control parts, pipeline (5) and connection member respectively；Described power part is arranged on described support (6)；Described power part is connected with described pipeline (5), control the lifting of described pipeline (5), realizing the adjustment of pipeline (5) and steel plate (3) surface distance, designing along the convexity of steel plate (3) plate width direction thus realizing cooling water；Described pipeline (5) is connected with described water supply component by described connection member；Described water supply component is connected with described control parts, and water supply component described in described control component controls supplies water；Described ultra-rapid cooling collector also includes ultra-rapid cooling nozzle (7)；Described ultra-rapid cooling nozzle (7) is arranged on the lower end of described pipeline (5)；Described Water-Curta in Cooling collector also includes Water-Curta in Cooling nozzle (8)；Described Water-Curta in Cooling nozzle (8) is arranged on the lower end of described pipeline (5)；The straight collector of described high density also includes high density cooling nozzle (9)；Described high density cooling nozzle (9) is arranged on the lower end of described pipeline (5)；Described air water atomization collector also includes air water atomizing cooling nozzle (10)；Described air water atomizing cooling nozzle (10) is arranged on the lower end of described pipeline (5)；Described section cooling collector also includes section cooling nozzle (11)；Described section cooling nozzle (11) is arranged on the lower end of described pipeline (5).
2. the device of raising hot rolled steel plate ultra-rapid cooling uniformity according to claim 1, it is characterised in that: described power part includes drive motor (2) and gear-box (1)；Described drive motor (2) is arranged on described support (6)；Described drive motor is connected with described gear-box (1), drives described gear-box (1) action；Described gear-box (1) is connected with described pipeline (5), drive described pipeline (5) knee-action, realizing the adjustment of pipeline (5) and steel plate (3) surface distance, designing along the convexity of steel plate (3) plate width direction thus realizing cooling water.
3. the device of raising hot rolled steel plate ultra-rapid cooling uniformity according to claim 1, it is characterised in that: described connection member includes flexible pipe (4)；Described pipeline is connected with described water supply component by described flexible pipe (4)；Described flexible pipe (4) realizes moving up and down of pipeline.
4. the device of raising hot rolled steel plate ultra-rapid cooling uniformity according to claim 3, it is characterised in that: described water supply component includes water pump, water supply line and water tank；Described water supply line is connected with described water tank by described water pump；Described water supply line is connected with described pipeline (5).
5. the device of raising hot rolled steel plate ultra-rapid cooling uniformity according to claim 4, it is characterised in that: described control parts include pressure transducer (12), control valve and effusion meter (13)；Described pressure transducer (12), control valve and effusion meter (13) are arranged on described water supply line；Described pressure transducer (12) is connected with described water pump, gives described water pump by pressure signal transmission, controls water pressure.
6. the device of raising hot rolled steel plate ultra-rapid cooling uniformity according to claim 5, it is characterised in that: described control valve includes electromagnetic valve (14), electric control valve (15) and ball valve (16)；Described electromagnetic valve (14) is arranged on described water supply line, water supply line described in opening and closing；Described electric control valve (15) is arranged on described water supply line, for regulating water flow；Described ball valve (16) is arranged on described water supply line, is used for when described electromagnetic valve (14) is out of control, water supply line described in manual-lock.
7. the method improving hot rolled steel plate ultra-rapid cooling uniformity, for cooling metal sheets (3)；It is characterized in that, comprise the following steps: step 1, section cooling mechanism, Water-Curta in Cooling mechanism, the straight collector cooling body of high density, ultra-rapid cooling mechanism or air water atomization cooling body are set on support (6) according to the needs of cooling metal sheets (3)；Step 2, when steel plate (3) is by cooling zone, steel plate (3) is sent in support (6), be respectively provided with the 5-7 section section cooling collector of section cooling mechanism, the 5-7 section Water-Curta in Cooling collector of Water-Curta in Cooling mechanism, the 5-7 straight collector of section high density of high density straight collector cooling body, the 5-7 section ultra-rapid cooling collector of ultra-rapid cooling mechanism or the 5-7 section air water of air water atomization cooling body at steel plate (3) upper and lower side and be atomized collector；Step 3, opens the drive motor (2) on section cooling collector, Water-Curta in Cooling collector, the straight collector of high density, ultra-rapid cooling collector or air water atomization collector；Step 4, drive motor (2) drives the gear-box (1) on section cooling collector, Water-Curta in Cooling collector, the straight collector of high density, ultra-rapid cooling collector or air water atomization collector, and gear-box (1) drives pipeline (5) knee-action of ultra-rapid cooling collector, Water-Curta in Cooling collector, the straight collector of high density, section cooling collector or air water atomization collector；Step 5, is needed according to the cooling of steel plate (3), is accurately adjusted the height of pipeline (5) by gear-box (1), it is achieved same traffic downforce designs along the convexity of steel plate (3) plate width direction；Step 6, pipeline (5) is connected with water supply component by connection member；Step 7, pipeline (5) is supplied water by the control parts started on water supply component；Step 8, cooled down nozzle (9), the ultra-rapid cooling nozzle (7) of ultra-rapid cooling collector or the air water atomizing cooling nozzle (10) of air water atomization collector by the high density of the section cooling nozzle (11) of section cooling collector, the Water-Curta in Cooling nozzle (8) of Water-Curta in Cooling collector, the straight collector of high density steel plate (3) injection cooling water is cooled down.
8. the method for raising hot rolled steel plate ultra-rapid cooling uniformity according to claim 7, it is characterised in that step 6 includes: described connection member includes flexible pipe (4)；Described pipeline (5) is connected with described water supply component by described flexible pipe (4)；Described flexible pipe (4) realizes moving up and down of pipeline (5).
9. the method for raising hot rolled steel plate ultra-rapid cooling uniformity according to claim 8, it is characterised in that: described water supply component includes water pump, water supply line and water tank；Described water supply line is connected with described water tank by described water pump；Described water supply line is connected with pipeline.
10. the method for raising hot rolled steel plate ultra-rapid cooling uniformity according to claim 9, it is characterised in that: described control parts include pressure transducer (12), electromagnetic valve (14), electric control valve (15), ball valve (16) and effusion meter (13)；Described pressure transducer (12), electromagnetic valve (14), electric control valve (15), ball valve (16) and effusion meter (13) are arranged on described water supply line；Described pressure transducer (12) is connected with described water pump, gives described water pump by pressure signal transmission, controls water pressure；Described electromagnetic valve (14) is arranged on described water supply line, water supply line described in opening and closing；Described electric control valve (15) is arranged on described water supply line, for regulating water flow；Described ball valve (16) is arranged on described water supply line, is used for when described electromagnetic valve (14) is out of control, water supply line described in manual-lock.
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| CN201410294842.2A CN104107839B (en) | 2014-06-26 | 2014-06-26 | Improve method and the device of hot rolled steel plate ultra-rapid cooling uniformity |
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| CN105618492B (en) * | 2014-11-28 | 2018-08-10 | 宝山钢铁股份有限公司 | It is a kind of for being quickly cooled down system after the rolling of steel plate on-line solution |
| KR101726763B1 (en) * | 2015-12-17 | 2017-04-13 | 주식회사 포스코 | Apparatus for cooling |
| CN106311764B (en) * | 2016-08-29 | 2018-01-23 | 武汉钢铁有限公司 | A kind of ultrafast cooling system pressure measurement method and device |
| CN108971241A (en) * | 2018-09-25 | 2018-12-11 | 芜湖新兴铸管有限责任公司 | Steel rolling stage cooling device |
| CN112296103B (en) * | 2020-10-22 | 2022-08-26 | 湖北长平汽车装备有限公司 | Cooling process of hot rolled steel plate |
| CN113106344A (en) * | 2021-04-07 | 2021-07-13 | 新东大(无锡)机械安全技术研究院有限公司 | Material applied to safety protection structure and production process thereof |
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| JP3276318B2 (en) * | 1997-08-28 | 2002-04-22 | 三菱重工業株式会社 | Cooling device for steel plate edge |
| JP3739934B2 (en) * | 1998-04-02 | 2006-01-25 | 新日本製鐵株式会社 | Uniform cooling method for thin steel sheet |
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| CN101837378A (en) * | 2009-03-20 | 2010-09-22 | 宝山钢铁股份有限公司 | Laminar flow width-adjusting cooling device and control method thereof |
| GB2472196A (en) * | 2009-07-27 | 2011-02-02 | Siemens Vai Metals Tech Ltd | Integral Ultrasound Flatness Gauge for Cooling Machine |
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