CN102399973B - Vapor cooling device for heat treatment - Google Patents
Vapor cooling device for heat treatment Download PDFInfo
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- CN102399973B CN102399973B CN 201110388063 CN201110388063A CN102399973B CN 102399973 B CN102399973 B CN 102399973B CN 201110388063 CN201110388063 CN 201110388063 CN 201110388063 A CN201110388063 A CN 201110388063A CN 102399973 B CN102399973 B CN 102399973B
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Abstract
The invention relates to a vapor cooling device for heat treatment. The vapor cooling device consists of a water inlet pipe, an air inlet pipe, a water homogenizing cavity, an air cavity and a spray nozzle, and is welded by using a stainless steel plate and connected by bolts in the manufacturing process. The vapor cooling device is characterized in that: the device has the length of between 2.8 and 4.3 meters; the steel plate, a spray nozzle plate and a fixed block are connected to form two cavities along the width direction of a rolling line, namely the water homogenizing cavity is positioned internally, and the air cavity is wrapped outside the water homogenizing cavity; simultaneously, water spray slits h and air spray slits f on two sides of the water spray slits are formed at lower ends of the two cavities; the width of each water spray slit h is between 2 and 5 millimeters, water spray effluent is perpendicular to a horizontal plane; the width of each air spray slit f is between 1.5 and 3 millimeters, and the air spray slits form a certain angle with the water spray slits and are formed symmetrically by taking the water spray slits as central axes; a damping clapboard is arranged in the water homogenizing cavity; through holes which are distributed uniformly are formed in the damping clapboard; and water flow flows into a cavity b uniformly from the through holes in the damping clapboard, so that the uniformity of the water flow at the water spray slits h is ensured. During cooling, a water curtain from the water spray slits meets compressed air on two sides to form vapor, so that a high-temperature plate is cooled.
Description
Technical field
The present invention relates to metal plate and belt and roll the postheat treatment technical field, specifically a kind of vapor cooling device for heat treatment.
Background technology
Along with development and the raising of Chinese industrial state of the art, in the total demand amount increase to plate of moderate thickness in the industries such as shipbuilding, mechanical industry, petrochemical complex, bridge construction, to the also constantly increase of demand of high-grade high tensile steel plate.Quenching is the important means that improves plate of moderate thickness intensity, and roller quenching machine is being brought into play significant role as a key equipment of heat treatment step.After the general compact Layout of roller quenching machine and quenching furnance, steel plate are heated to the temperature of requirement at quenching furnance, out are delivered directly to quenching press from stove and quench, this temperature that is beneficial to accurate control quenched nickelclad that is furnished with.Quenching press generally is divided into high pressure and low pressure cooling zone, and the water coolant of pressure 0.8MPa is adopted in the high pressure cooling zone, and bleed type is three kinds, is respectively slit water curtain type nozzle, box twin nipple and single assembly nozzle.Nozzle is arranged symmetrically with up and down, thus and the planeness of the adjustable assurance of the distance different thickness steel plate of the opening degree of narrow slit type nozzle, water spray angle and nozzle and steel plate.It is the water coolant of 0.4MPa that low pressure area adopts pressure, and burner design adopts the waterpipe type structure, and 3～4 row's spouts are arranged on every water pipe, and these spouts are to process towards the different angles of steel plate transfer limes.For this structure that makes quenching press is more perfect, the leading portion increase in the roller quenching machine high pressure area arranges the quenching technology that thin specification strip is realized in the aerosol cooling zone.
Summary of the invention
The purpose of this invention is to provide a kind of vapor cooling device for heat treatment and manufacture method thereof, this device cooling power is strong, cooling more even, uses with slit water curtain type nozzle, box twin nipple and single assembly nozzles combine and can realize that the Quick uniform of thin specification strip is cooling.
A kind of vapor cooling device for heat treatment, it comprises the nozzle cover of upper cover plate, side plate and bottom, the two ends of described vapor cooling device are welded with baffle plate, it is characterized in that, be fixed with equal water cavity in the nozzle cover of described upper cover plate, side plate, bottom, the inside cavity that baffle plate forms, described equal water cavity below is provided with water jet, and described water jet inserts the opening on described nozzle cover, and the gap of this water jet and this opening forms tuyere; Offer prosopyle and air inlet port on described cover plate, water inlet pipe inserts the top of described equal water cavity by this prosopyle, and inlet pipe is fixed on this air inlet port.
A kind of vapor cooling device for heat treatment is characterized in that, described water jet comprises two nozzle plates, leaves the gap of spraying water in the middle of two nozzle plates.
A kind of vapor cooling device for heat treatment is characterized in that, is provided with the damping baffle with through hole above in described equal water cavity.
A kind of vapor cooling device for heat treatment is characterized in that, described equal water cavity is fixed on the inboard of described side plate by fixed block.
A kind of vapor cooling device for heat treatment, it is characterized in that the long 2.8m～4.3m of described vapor cooling device for heat treatment, water spray slit width 2～5mm, jet slit width 1.5～3mm is angled with the water spray slit, and is arranged symmetrically with take the water spray slit as axis formation.
Material of the present invention is stainless steel, and welding portion adopts argon-are welding technology, and postwelding carries out stress relief annealing in 200～500 ℃ of scopes, finally guarantees straight, indeformable under high-temperature work environment of whole refrigerating unit.Corresponding packing technique is all adopted in the bolt connection portion, guarantees that the gentle passage separately of water does not interfere with each other.
Beneficial effect of the present invention:
1, cooling range of the present invention is more than or equal to the width of strip to be cooled, can realize evenly cooling to strip.
2, aquaporin and the air passageways that does not communicate is processed in the present invention by welding technique, realizes cooling to sheet band thereby form aerosol after mixing with the water and air of certain pressure in the exit.
3, the present invention realizes the homogeneity of current by steel plate being processed the two equally distributed through holes of row, thereby guarantees the homogeneity of the aerosol that forms.
Description of drawings
Fig. 1 is apparatus of the present invention contour structures schematic diagram;
Fig. 2 is apparatus of the present invention water supply diagrammatic cross-section;
Fig. 3 is apparatus of the present invention air feed diagrammatic cross-section.
Embodiment
Referring to Fig. 1-3, thermal treatment gas-mist cooling device of the present invention is to be connected processing and manufacturing with the stainless steel plate welding with bolt to form, and mainly comprises water inlet pipe 1, inlet pipe 2, equal water cavity, air chamber, nozzle.Now illustrate with accompanying drawing, as shown in Figure 1 and Figure 2: all water cavity is comprised of housing 6, base plate 8, nozzle plate 7 and damping baffle 5, two nozzle plates 7 are connected by bolt 9 with base plate 8, and seal by sealing 10, two 7 of nozzle plates form water spray slit h, and housing 6 forms a cavity with base plate 8 welding, and dividing plate 5 is divided into epicoele a and cavity of resorption b with cavity, damping baffle 5 is processed with the 2 uniform through hole c of row, and epicoele a and cavity of resorption b are communicated.All the water cavity outside forms air chamber d by upper cover plate 3, side plate 4,11 welding of bottom fixation steel plate, be welded and fixed piece 13 by the interval between housing 6 and side plate 4 and form one, nozzle cover 12 is connected and fixed by bolt and bottom fixation steel plate 11, and and nozzle plate 7 form the water jet that two nozzle plates of the jet slit f(of twice 7 form and be inserted into the opening part that forms between two nozzle covers 12).It is airtight that this device two ends welding 14 pairs of equal water cavities of baffle plate and air chamber carry out the side.
The present invention realizes the process to the metal plates and strips cooling process: when cooling, water coolant flow into cavity a by water inlet pipe 1, then the through hole on damping baffle 5 flows into cavity b, cavity b is full of water and evenly flows out the formation water curtain by slit h, pressurized air is by flow through air chamber and flowing out through jet slit f of inlet pipe 2, and water coolant and pressurized air meet in the exit and forms aerosol and carry out cooling to strip.The present invention is designed to the circulation area of water outlet 1 greater than the circulation area of through hole on damping baffle 5, and the through hole circulation area on damping baffle 5 is greater than the circulation area of water spray slit h, thereby guarantees water spray slit h place waterflow stabilization, even.
Claims (2)
1. vapor cooling device for heat treatment, it comprises the nozzle cover of upper cover plate, side plate and bottom, the two ends of described vapor cooling device are welded with baffle plate, it is characterized in that, be fixed with equal water cavity in the nozzle cover of described upper cover plate, side plate, bottom, the inside cavity that baffle plate forms, described equal water cavity below is provided with water jet, and described water jet inserts the opening on described nozzle cover, and the gap of this water jet and this opening forms tuyere; Offer prosopyle and air inlet port on described cover plate, water inlet pipe inserts the top of described equal water cavity by this prosopyle, and inlet pipe is fixed on this air inlet port; Described water jet comprises two nozzle plates, leaves the gap of spraying water in the middle of two nozzle plates; Be provided with the damping baffle with through hole above in described equal water cavity; Described equal water cavity is fixed on the inboard of described side plate by fixed block.
2. vapor cooling device for heat treatment according to claim 1, it is characterized in that, long 2.8m～the 4.3m of described vapor cooling device for heat treatment, water spray slit width 2～5mm, jet slit width 1.5～3mm is angled with the water spray slit, and is arranged symmetrically with take the water spray slit as axis formation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110388063 CN102399973B (en) | 2011-11-30 | 2011-11-30 | Vapor cooling device for heat treatment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110388063 CN102399973B (en) | 2011-11-30 | 2011-11-30 | Vapor cooling device for heat treatment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102399973A CN102399973A (en) | 2012-04-04 |
| CN102399973B true CN102399973B (en) | 2013-06-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201110388063 Active CN102399973B (en) | 2011-11-30 | 2011-11-30 | Vapor cooling device for heat treatment |
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| CN (1) | CN102399973B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106755807A (en) * | 2017-01-16 | 2017-05-31 | 兰州兰石重型装备股份有限公司 | 904L+Q345R pressure container of composite board end socket is heat-treated cooler and its application method |
| CN108620545A (en) * | 2017-03-21 | 2018-10-09 | 江油市重鑫特种金属材料有限公司 | A kind of atomization cooling device |
| CN108277333A (en) * | 2018-03-14 | 2018-07-13 | 盐城圣奥热处理有限公司 | A kind of aerosol cooled glowing furnace |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201534173U (en) * | 2009-09-18 | 2010-07-28 | 鞍钢股份有限公司 | After-rolling gas-mist cooling device of medium-thickness plate rolling mill |
| CN201579392U (en) * | 2009-11-17 | 2010-09-15 | 攀钢集团钢铁钒钛股份有限公司 | Steam fog cooling nozzle assembly |
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2011
- 2011-11-30 CN CN 201110388063 patent/CN102399973B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201534173U (en) * | 2009-09-18 | 2010-07-28 | 鞍钢股份有限公司 | After-rolling gas-mist cooling device of medium-thickness plate rolling mill |
| CN201579392U (en) * | 2009-11-17 | 2010-09-15 | 攀钢集团钢铁钒钛股份有限公司 | Steam fog cooling nozzle assembly |
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| Publication number | Publication date |
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| CN102399973A (en) | 2012-04-04 |
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