CN2871045Y - Cooler for hot rolling production line of strip steel - Google Patents
Cooler for hot rolling production line of strip steel Download PDFInfo
- Publication number
- CN2871045Y CN2871045Y CN 200620088933 CN200620088933U CN2871045Y CN 2871045 Y CN2871045 Y CN 2871045Y CN 200620088933 CN200620088933 CN 200620088933 CN 200620088933 U CN200620088933 U CN 200620088933U CN 2871045 Y CN2871045 Y CN 2871045Y
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- turbulent
- chamber
- distributive pipe
- turbulent flow
- flow chamber
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Abstract
A cooler for hot rolling production line of strip steel, which pertains to the art of hot rolled strip rapid cooling device. The utility model comprises a water distributing pipe, a turbulent flow chamber, and a plurality of jet flow nozzles, one end of the water distributing pipe is equipped with a blocking plate of water pipe, the lower part of the water distributing pipe is the turbulent flow chamber which is a box-shaped body, the sideboard and the blocking plate of the turbulent flow chamber are connected with the water distributing pipe, a plurality of screwed holes are arranged on the bottom plate of the turbulent flow chamber, the jet flow nozzles are arranged in the holes and extend into the turbulent flow chamber through the bottom plate, a plurality of water distributing holes are arranged on the water distributing pipe which is communicated with the inside of the turbulent flow chamber via the water distributing holes; high-pressure water passes through the water distributing holes and the turbulent flow chamber, keeping the high pressure state, and then evenly spurts out from each jet flow nozzle. The utility model has the advantages of that the cooling velocity has a substantial rise, the flow and the pressure of the high pressure water stream spurted out from each jet flow nozzle is uniform.
Description
Technical field
The utility model belongs to hot-strip cooling technology field, particularly relates to a kind of cooling device that is used for hot-rolled strip production line.
Technical background
For producing a class hot-strip, need the cooling velocity of band steel with 200 ℃/s～400 ℃/s is quickly cooled to below 200 ℃ from 600 ℃～700 ℃.Present hot-rolled strip production line comprises old process and short flow process, generally adopts cooling facility for laminar flow, and maximum cooling velocity is lower than 150 ℃/s, can not satisfy the technological requirement of producing this kind hot-strip.
The utility model content
In order to satisfy the technological requirement of producing a class hot-strip, overcome the deficiency of existing layer flow cooling device cooling velocity, the utility model provides a kind of cooling device that is used for hot-rolled strip production line, this cooling device can be in 1000 ℃～20 ℃ temperature range, realize 200 ℃/s～400 ℃/above cooling velocity of s, can satisfy the technological requirement of producing above-mentioned steel grade.
The technical scheme that its technical problem that solves the utility model adopts is: this device comprises distributive pipe, the turbulent flow chamber, jet nozzle, one end of distributive pipe is provided with the distributive pipe closure plate, the distributive pipe below is turbulent chamber, the turbulent flow chamber is a casing, turbulent flow chamber side plate, turbulent flow chamber closure plate all is connected with distributive pipe, on the base plate of turbulent chamber, have several screwed holes, the spacing of institute's perforate is 10mm～20mm on the base plate of turbulent chamber, jet nozzle is installed in the hole, jet nozzle stretches in the turbulent chamber by turbulent chamber base plate, the center of jet nozzle is elongated circular hole, internal diameter 3mm～6mm, length is 40mm～70mm, and the head of jet nozzle places the outside of turbulent chamber base plate, and the jet nozzle external diameter that contacts with turbulent chamber base plate is threaded; Be provided with several tapping holes on the base plate of distributive pipe, distributive pipe communicates with inside, turbulent chamber by tapping hole; The turbulent flow chamber is that distributive pipe closure plate, turbulent chamber side plate, turbulent chamber closure plate are welded to connect with distributive pipe respectively by two turbulent chamber closure plates, two turbulent chamber side plates and the casing that the base plate welding of turbulent chamber constitutes, and each weld all adopts seal welding.
The course of work of the present utility model: water adds through force (forcing) pump and is pressed into water under high pressure, enter into turbulent chamber turbulent flow by the tapping hole on the distributive pipe after, keep high pressure conditions, evenly spray through each jet nozzle.
The beneficial effects of the utility model are: in 1000 ℃～20 ℃ temperature ranges, can make the band steel realize that cooling velocity is the temperature drop of 200 ℃/s～400 ℃/s; Adopt high pressure and highly dense formula nozzle, steel plate is directly contacted with cooling water, form the heat exchange mode of forced convertion, compare with the laminar flow cooling, cooling velocity increases substantially; Adopt the shunting of distributive pipe and turbulent chamber, make the High-Pressure Water flow and the operating pressure of each jet nozzle ejection identical.
Description of drawings
Fig. 1 is an overall structure schematic diagram of the present utility model,
Fig. 2 is the side-looking partial sectional view of Fig. 1,
Fig. 3 is a distributive pipe partial sectional view among Fig. 1,
Fig. 4 is a jet nozzle structural representation in the utility model,
Fig. 5 is the left view of Fig. 4;
1. jet nozzles among the figure, 2. turbulent chamber closure plate, 3. distributive pipe, 4. distributive pipe closure plate, 5. turbulent chamber side plate, 6. turbulent chamber base plate, 7. tapping hole, 8. turbulent chamber, 9 water inlets.
The specific embodiment
Below in conjunction with drawings and Examples the utility model is further specified.
Embodiment 1: as Fig. 1～shown in Figure 5, the utility model structure comprises distributive pipe 3, turbulent flow chamber 8, jet nozzle 1, one end of distributive pipe 3 is provided with distributive pipe closure plate 4, by being welded to connect, the below of distributive pipe 3 is turbulent chamber 8, turbulent flow chamber 8 is by two turbulent chamber closure plates 2, two turbulent chamber side plates 5 and turbulent chamber base plate 6 welding constitute, turbulent flow chamber side plate 5, be between turbulent flow chamber closure plate 2 and the distributive pipe 3 and be welded to connect, on turbulent chamber base plate 6, have 122 screwed holes, the hole be spaced apart 10mm, jet nozzle 1 is installed in the hole, the internal orifice dimension of jet nozzle 1 is 3mm, and length is 40mm, and jet nozzle 1 stretches in the turbulent chamber 8 by turbulent chamber base plate 6, be provided with 61 tapping holes 7 on distributive pipe 3, distributive pipe 3 communicates with 8 inside, turbulent chamber by tapping hole 7; After water under high pressure passes through distributive pipe 3 and turbulent chamber 8, keep high pressure conditions, evenly spray from each jet nozzle 1.
Its course of work: water adds through force (forcing) pump and is pressed into water under high pressure, the flow 850M of water under high pressure
3/ h, pressure are 0.2MPa, enter into turbulent chamber 8 turbulent flows by the tapping hole on the distributive pipe 37 after, keep high pressure conditions, evenly spray, the High-Pressure Water flow of each jet nozzle ejection through each jet nozzle 1, operating pressure 0.2MPa makes the band steel realize that cooling velocity is the temperature drop of 200 ℃/s.
Embodiment 2: as Fig. 1～shown in Figure 5, the utility model structure comprises distributive pipe 3, turbulent flow chamber 8, jet nozzle 1, one end of distributive pipe 3 is provided with distributive pipe closure plate 4, by being welded to connect, the below of distributive pipe 3 is turbulent chamber 8, turbulent flow chamber 8 is by two turbulent chamber closure plates 2, two turbulent chamber side plates 5 and turbulent chamber base plate 6 welding constitute, turbulent flow chamber side plate 5, be between turbulent flow chamber closure plate 2 and the distributive pipe 3 and be welded to connect, on turbulent chamber base plate 6, have 60 screwed holes, the hole be spaced apart 20mm, jet nozzle 1 is installed in the hole, the internal orifice dimension of jet nozzle 1 is 6mm, and length is 70mm, and jet nozzle 1 stretches in the turbulent chamber 8 by turbulent chamber base plate 6, be provided with 20 tapping holes 7 on distributive pipe 3, distributive pipe 3 communicates with 8 inside, turbulent chamber by tapping hole 7; After water under high pressure passes through distributive pipe 3 and turbulent chamber 8, keep high pressure conditions, evenly spray from each jet nozzle 1.
Its course of work: water adds through force (forcing) pump and is pressed into water under high pressure, the flow 1200M of water under high pressure
3/ h, pressure are 0.35MPa, enter into turbulent chamber 8 turbulent flows by the tapping hole on the distributive pipe 37 after, keep high pressure conditions, evenly spray, the High-Pressure Water flow of each jet nozzle ejection through each jet nozzle 1, operating pressure 0.35MPa makes the band steel realize that cooling velocity is the temperature drop of 400 ℃/s.
Embodiment 3: as Fig. 1～shown in Figure 5, the utility model structure comprises distributive pipe 3, turbulent flow chamber 8, jet nozzle 1, one end of distributive pipe 3 is provided with distributive pipe closure plate 4, by being welded to connect, the below of distributive pipe 3 is turbulent chamber 8, turbulent flow chamber 8 is by two turbulent chamber closure plates 2, two turbulent chamber side plates 5 and turbulent chamber base plate 6 welding constitute, turbulent flow chamber side plate 5, be between turbulent flow chamber closure plate 2 and the distributive pipe 3 and be welded to connect, on turbulent chamber base plate 6, have 104 screwed holes, the hole be spaced apart 15mm, jet nozzle 1 is installed in the hole, the internal orifice dimension of jet nozzle 1 is 5mm, and length is 50mm, and jet nozzle 1 stretches in the turbulent chamber 8 by turbulent chamber base plate 6, be provided with 52 tapping holes 7 on distributive pipe 3, distributive pipe 3 communicates with 8 inside, turbulent chamber by tapping hole 7; After water under high pressure passes through distributive pipe 3 and turbulent chamber 8, keep high pressure conditions, evenly spray from each jet nozzle 1.
Its course of work: water adds through force (forcing) pump and is pressed into water under high pressure, the flow 1000M of water under high pressure
3/ h, pressure are 0.3MPa, enter into turbulent chamber 8 turbulent flows by the tapping hole on the distributive pipe 37 after, keep high pressure conditions, evenly spray, the High-Pressure Water flow of each jet nozzle ejection through each jet nozzle 1, operating pressure 0.3MPa makes the band steel realize that cooling velocity is the temperature drop of 300 ℃/s.
Claims (3)
1, a kind of cooling device that is used for hot-rolled strip production line, it is characterized in that comprising distributive pipe, turbulent chamber, jet nozzle, one end of distributive pipe is provided with the distributive pipe closure plate, the distributive pipe below is turbulent chamber, the turbulent flow chamber is a casing, turbulent flow chamber side plate, turbulent chamber closure plate are connected with distributive pipe respectively, on the base plate of turbulent chamber, have several screwed holes, jet nozzle is installed in the hole, jet nozzle stretches in the turbulent chamber by turbulent chamber base plate, be provided with several tapping holes on distributive pipe, distributive pipe communicates with inside, turbulent chamber by tapping hole.
2, a kind of cooling device that is used for hot-rolled strip production line according to claim 1, it is characterized in that the structure of described jet nozzle: its center is elongated circular hole, and the aperture is 3mm～6mm, and length is 40mm～70mm.
3, a kind of cooling device that is used for hot-rolled strip production line according to claim 1, the spacing that it is characterized in that described institute's perforate on the base plate of turbulent chamber is 10mm～20mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620088933 CN2871045Y (en) | 2006-01-13 | 2006-01-13 | Cooler for hot rolling production line of strip steel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620088933 CN2871045Y (en) | 2006-01-13 | 2006-01-13 | Cooler for hot rolling production line of strip steel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2871045Y true CN2871045Y (en) | 2007-02-21 |
Family
ID=37739394
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620088933 Expired - Lifetime CN2871045Y (en) | 2006-01-13 | 2006-01-13 | Cooler for hot rolling production line of strip steel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2871045Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100369685C (en) * | 2006-01-13 | 2008-02-20 | 东北大学 | Cooling device for hot-rolled strip steel production line |
| CN102261246A (en) * | 2010-05-31 | 2011-11-30 | 三一重型装备有限公司 | Device and method for cooling and dust suppression of breaking hammer drill rod |
| CN102421545A (en) * | 2009-07-15 | 2012-04-18 | 住友金属工业株式会社 | Manufacturing apparatus for hot-rolled steel plate and manufacturing method for steel plate |
| CN103084421A (en) * | 2013-01-25 | 2013-05-08 | 燕山大学 | Spray cooling device with adjustable parameters of large cylinder shell heat after rolling |
-
2006
- 2006-01-13 CN CN 200620088933 patent/CN2871045Y/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100369685C (en) * | 2006-01-13 | 2008-02-20 | 东北大学 | Cooling device for hot-rolled strip steel production line |
| CN102421545A (en) * | 2009-07-15 | 2012-04-18 | 住友金属工业株式会社 | Manufacturing apparatus for hot-rolled steel plate and manufacturing method for steel plate |
| CN102421545B (en) * | 2009-07-15 | 2013-12-25 | 新日铁住金株式会社 | Manufacturing apparatus for hot-rolled steel plate and manufacturing method for steel plate |
| CN102261246A (en) * | 2010-05-31 | 2011-11-30 | 三一重型装备有限公司 | Device and method for cooling and dust suppression of breaking hammer drill rod |
| CN103084421A (en) * | 2013-01-25 | 2013-05-08 | 燕山大学 | Spray cooling device with adjustable parameters of large cylinder shell heat after rolling |
| CN103084421B (en) * | 2013-01-25 | 2016-01-06 | 燕山大学 | Spray cooling device after a kind of large-scale shell ring hot rolling of Parameter adjustable |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Effective date of abandoning: 20080220 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |