CN201841167U - High-pressure water descaling device for surfaces of steel billets - Google Patents

High-pressure water descaling device for surfaces of steel billets Download PDF

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Publication number
CN201841167U
CN201841167U CN2010205551421U CN201020555142U CN201841167U CN 201841167 U CN201841167 U CN 201841167U CN 2010205551421 U CN2010205551421 U CN 2010205551421U CN 201020555142 U CN201020555142 U CN 201020555142U CN 201841167 U CN201841167 U CN 201841167U
Authority
CN
China
Prior art keywords
cover
pressure water
descaling
steel
billet
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN2010205551421U
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Chinese (zh)
Inventor
叶凡
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wuhan Iron and Steel Group Corp
Original Assignee
Wuhan Iron and Steel Group Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Wuhan Iron and Steel Group Corp filed Critical Wuhan Iron and Steel Group Corp
Priority to CN2010205551421U priority Critical patent/CN201841167U/en
Application granted granted Critical
Publication of CN201841167U publication Critical patent/CN201841167U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model discloses a high-pressure water descaling device for surfaces of steel billets, which comprises a box body arranged on a backing board. A front guide sheath and a rear guide sheath are respectively arranged on the front side and the back side of the box body, steel billets can penetrate through the front guide sheath and the rear guide sheath, a plurality of steel billet supporting rib plates are arranged at an inlet of the front guide sheath in the box body, a descaling spray ring connected with a water inlet pipe is arranged between the front guide sleeve and the rear guide sleeve, the upper end of the descaling spray ring is fixedly connected with a top cover of the box body, and a hanging lug is arranged on the top cover. The high-pressure water descaling device for surfaces of steel billets adopting the structures has the advantages that consumption of spare parts is reduced, the descaling spray ring is quite convenient to be lifted, workload of equipment maintenance is reduced greatly, equipment maintenance time is saved, labor intensity is reduced, and steel scraping frequency of the high-pressure water descaling device is reduced.

Description

The billet surface high pressure water descaling device
Technical field
The utility model relates to water descaling unit, refers to a kind of billet surface high pressure water descaling device particularly.
Background technology
The band steel is in the operation of rolling, because the existence of oxidative phenomena, steel billet is incurred loss because of oxidation, and under the effect that rolls of roll, part iron scale is fractured into strip and comes off automatically, and another part then under the effect of grinding pressure, is pressed into belt steel surface, formation is mingled with and scar, becomes one of key factor that influences strip surface quality.
High-pressure water descaling is a key technology in the modern hot-rolled steel control technology.It adopts the high-pressure spray incision principle, go out water under high pressure by nozzle ejection, (matrix material of stocking and iron oxide cortex are because of the different shearing forces that produce of cooling shrinkage factor to utilize water under high pressure when ejection to produce powerful scouring force and cooling Power, and water infiltrates the steam expansion explosion that produces between matrix material and the iron scale) the strike billet surface, make iron scale be broken into fractionlet and hightail with matrix surface, water under high pressure washes away iron scale by direction initialization simultaneously, thereby the stove that the removal steel billet produces in heating process is given birth to the regenerating oxidation iron sheet that produces in the iron scale and the operation of rolling.
At present, the casing of high pressure water descaling device is formed by upper and lower box body combinations, the inside top of upper box is provided with de-scaling spray ring, the bottom inside of lower box is provided with down de-scaling spray ring, upper and lower de-scaling spray ring is connected with water pipe respectively, upper box is fixedlyed connected with backing plate by bearing, and the both sides at lower box top stretch out and form the import and export of steel billet with the base plate that supports steel billet, and the base plate of both sides is fixedlyed connected with backing plate by connecting rod.Opening in the middle of the import and export of steel billet is convenient to upper and lower de-scaling spray ring spray water to steel billet.It is the water under high pressure of 7~15MPa that water pipe is supplied with upper and lower de-scaling spray ring compression, and the nozzle that utilizes certain distance and angle to arrange is mapped to high pressure water jets on the billet surface, removes living iron scale of the stove of billet surface and regenerating oxidation iron sheet clean.In the de-scaling process, there is following problem:
1. because the opening between importing and exporting in the middle of the De-scaling box is excessive, the height unanimity of the base plate of import and export, base plate and steel billet friction cause base plate very easily to wear and tear, steel billet is difficult for passing through from the base plate in exit, when the steel band leading portion when having a downwarp, the band steel just can pour in the middle opening of De-scaling box, causes steel to have some setbacks and steel scrap.
2. descaling device adopts the water inlet of two sections water pipe, requires bigger to the descaling system water yield.
When 3. cleaning de-scaling spray ring spray mouth, lifting de-scaling spray ring needs to remove upper box, and de-scaling spray ring hangs out respectively up and down then, and lifting is inconvenient, and it is longer to influence the repair time.
4. base plate weares and teares easily in the descaling device, and base plate is welded on the both sides of lower box, changes relatively difficulty of base plate, and De-scaling box is shorter service life.
Summary of the invention
The purpose of this utility model will provide a kind of billet surface high pressure water descaling device exactly, not only lifts de-scaling spray ring conveniently, and the steel scrap rate is low, energy-conservation, maintenance is convenient when de-scaling.
For achieving the above object, the designed billet surface high pressure water descaling device of the utility model, comprise the casing that is arranged on the backing plate, the both sides, front and back of described casing are respectively arranged be used for that steel billet passes leading to escorting cover and the back guiding is escorted cover, be positioned in the described casing leading to escort the cover porch be provided with some steel billet bearing ribs, describedly leadingly escort and be provided with the de-scaling spray that links to each other with water inlet pipe between the cover and encircle to escorting cover and back guiding, fixedly connected with the top cover of casing in the upper end of described de-scaling spray ring, the limit that described top cover is fixed on casing covers, and also is provided with hanger on the top cover.
Preferably, described top cover is fixedlyed connected with the limit lid with wedge by clamping column, and clamping column is fixed on the limit and covers, and the circular hole that is complementary with clamping column is arranged on the top cover, and top cover is fixedlyed connected with the limit lid with wedge by clamping column, convenient lifting de-scaling spray ring.
Preferably, describedly leadingly be higher than the upper surface of steel billet bearing rib to the jacket wall bottom of escorting cover, the upper surface of described steel billet bearing rib is higher than the jacket wall bottom that the back guiding is escorted cover.Make things convenient for steel billet to pass through De-scaling box, prevented that steel from having some setbacks and cause steel scrap.
The beneficial effects of the utility model: adopt said structure, compare with original device, the steel scrap frequency reduces greatly; Only need a water inlet pipe, the spare parts consumption amount reduces; Lifting de-scaling spray chain rate is more convenient, and the plant maintenance maintenance workload reduces significantly, saves overhaul of the equipments time and labour intensity; Gusset is changed convenient, can prolong De-scaling box service life.
Description of drawings
Fig. 1 is a kind of main TV structure schematic diagram of billet surface high pressure water descaling device.
Fig. 2 is the left sectional structure schematic diagram of Fig. 1.
Fig. 3 is the plan structure schematic diagram of Fig. 1.
The specific embodiment
Below in conjunction with the drawings and specific embodiments the utility model is described in further detail.
Billet surface high pressure water descaling device shown in the figure, comprise the casing 6 that is arranged on the backing plate 1, the both sides, front and back of casing 6 are respectively arranged be used for that steel billet 4 passes leading to escorting cover 5 and the back guiding is escorted cover 2, be positioned in the casing 6 leading to escort the cover 5 porch be provided with some steel billet bearing ribs 3, leadingly escort and be provided with the de-scaling spray that links to each other with water inlet pipe 11 between the cover 2 and encircle 10 to escorting cover 5 and back guiding, fixedlying connected with the top cover 6-1 of casing 6 in the upper end of de-scaling spray ring 10, also is provided with hanger 8 on the top cover 6-1.Limit lid 6-2 is provided with four clamping columns 7, and top cover 6-1 is provided with four circular holes that are complementary with clamping column 7, and top cover 6-1 is fixedlyed connected with limit lid 6-2 with wedge 9 by clamping column 7.Leading to escorting the upper surface that cover 5 jacket wall bottom is higher than steel billet bearing rib 3, the upper surface of described steel billet bearing rib 3 is higher than the jacket wall bottom that the back guiding is escorted cover 2.
The course of work: steel billet 4 enters in the casing 6 to escorting cover 5 by leading, in casing 6, encircle 10 by 3 supports of steel billet bearing rib and by the de-scaling spray, steel billet 4 is in the process by de-scaling spray ring 10, water inlet pipe 11 is supplied with de-scaling spray ring 10 water under high pressures, the nozzle that utilizes certain distance and angle to arrange is mapped to high pressure water jets on steel billet 4 surfaces, the stove on steel billet 4 surfaces is given birth to iron scale and regenerating oxidation iron sheet remove totally, the steel billet of handling well 4 escorts cover 2 by the back guiding and goes out casing 6.
De-scaling spray ring 10 is fixed into an integral body with top cover 6-1, encircles at 10 o'clock in dismounting de-scaling spray, and the hanger 8 of directly slinging lifts more convenient.Steel billet bearing rib 3 is welded on casing 6 inside, during 3 wearing and tearing of steel billet bearing rib, directly changes steel billet bearing rib 3, and casing 6 can remain intact, and needn't change.

Claims (4)

1. billet surface high pressure water descaling device, comprise the casing (6) that is arranged on the backing plate (1), it is characterized in that: the both sides, front and back of described casing (6) are respectively arranged be used for that steel billet (4) passes leading to escorting cover (5) and the back guiding is escorted cover (2), be positioned in the described casing (6) and leadingly be provided with some steel billet bearing ribs (3) to escorting cover (5) porch, describedly leadingly escort and be provided with the de-scaling that links to each other with water inlet pipe (11) between the cover (2) and spray and encircle (10) to escorting cover (5) and back guiding, fixedly connected with the top cover (6-1) of casing (6) in the upper end of described de-scaling spray ring (10), described top cover (6-1) is fixed on the limit lid (6-2) of casing, also is provided with hanger (8) on the top cover (6-1).
2. billet surface high pressure water descaling device according to claim 1 is characterized in that: described top cover (6-1) is fixedlyed connected with limit lid (6-2) with wedge (9) by clamping column (7).
3. billet surface high pressure water descaling device according to claim 1 and 2, it is characterized in that: describedly leadingly be higher than the upper surface of steel billet bearing rib (3) to the jacket wall bottom of escorting cover (5), the upper surface of described steel billet bearing rib (3) is higher than the back guiding and escorts bottom the jacket wall of cover (2).
4. billet surface high pressure water descaling device according to claim 2, it is characterized in that: described clamping column (7) is fixed on the limit lid (6-2), top cover (6-1) is provided with the circular hole that is complementary with clamping column (7), and top cover (6-1) is fixedlyed connected with limit lid (6-2) with wedge (9) by clamping column (7).
CN2010205551421U 2010-10-11 2010-10-11 High-pressure water descaling device for surfaces of steel billets Expired - Fee Related CN201841167U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2010205551421U CN201841167U (en) 2010-10-11 2010-10-11 High-pressure water descaling device for surfaces of steel billets

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2010205551421U CN201841167U (en) 2010-10-11 2010-10-11 High-pressure water descaling device for surfaces of steel billets

Publications (1)

Publication Number Publication Date
CN201841167U true CN201841167U (en) 2011-05-25

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN2010205551421U Expired - Fee Related CN201841167U (en) 2010-10-11 2010-10-11 High-pressure water descaling device for surfaces of steel billets

Country Status (1)

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CN (1) CN201841167U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103894430A (en) * 2014-03-31 2014-07-02 宝山钢铁股份有限公司 Jet descaling device and jet descaling method for removing scales on inner wall of metal tube

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103894430A (en) * 2014-03-31 2014-07-02 宝山钢铁股份有限公司 Jet descaling device and jet descaling method for removing scales on inner wall of metal tube
CN103894430B (en) * 2014-03-31 2016-03-30 宝山钢铁股份有限公司 A kind of jet descaling device for removing inner wall of metal tube firecoat and method

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C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20110525

Termination date: 20161011