CN201664708U - Universal descaling device before circular section billet rolling - Google Patents
Universal descaling device before circular section billet rolling Download PDFInfo
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- CN201664708U CN201664708U CN2010201247174U CN201020124717U CN201664708U CN 201664708 U CN201664708 U CN 201664708U CN 2010201247174 U CN2010201247174 U CN 2010201247174U CN 201020124717 U CN201020124717 U CN 201020124717U CN 201664708 U CN201664708 U CN 201664708U
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Abstract
The utility model provides a universal descaling device before circular section billet rolling, comprising a high-pressure water pump, a water supplying pipeline and a nozzle, the high-pressure water pump is connected with a circular closed-ring high-pressure collecting pipe frame by the water supplying pipeline, a circle of spiral nozzle collectors are arranged inwards at interval at the inner side of the high-pressure water pump, the spiral nozzle collector comprises a main pipe connected with a high-pressure water collecting pipe frame, and 4-12 branch pipes communicated with the main pipe, 4-12 branch pipes are uniformly distributed into a frustum shape by surrounding the main pipe, the nozzle is arranged at the end of the branch pipe, 4-12 nozzles are circularly and uniformly arranged on each spiral nozzle collector to form a spraying disc. The range of the small included angle Q1 of the branch pipe outlet axis and the main pipe axis on the same plane is from 5 to 25 degrees, the included angle of the O direction of the outlet axis of the nozzle and the bus M of the conical surface of the frustum is Q2, and the range of the angle Q2 is from 5 to 45 degrees; the high-pressure water pump adopts a plunger type high-pressure water pump; 1-6 high-pressure water collecting pipe frames are arranged back and forth, and each high-pressure water collecting pipe frame is controlled by an independent water inlet valve.
Description
Technical field
The utility model relates to the universal descaling device before a kind of circular cross section billet rolling.Particularly the technique of scale removal of slab after casting process belongs to the preceding removing surface de-scaling equipment of billet rolling.
Background technology
Slab surface in heating process can produce the very thick iron scale of one deck, and promptly stove is given birth to iron scale, and is clean as not removing, and will badly influence the surface quality of sheet material.For effectively removing iron scale, many now employing water under high pressures hit the de-scaling method.
The working mechanism of high-pressure water descaling is: when the water under high pressure of certain pressure forms the current of concentration of energy by the tiny mouth hole of nozzle, when being ejected into the red heat steel slab surface, on the one hand iron scale by moment sharply cooling embrittlement, contraction take place; On the other hand, current enter between iron scale and the slab along the iron scale rent, extend expansion rapidly, form high-temperature steam and expand, and produce the gas explosion phenomenon, smash thereby reach, and peel off the purpose of iron scale.The angle of water flow jet slab has a significant impact scale removal effect.High-pressure water descaling is a part important on the Medium and Heavy Plate Rolling line, and its effect quality is to guarantee the precondition of plate surface quality.
For big substance extra wide super-thick steel plate, extra wide refers generally to the finished product steel plate width and reaches more than the 4500mm, the wideest 5350mm that reaches, the special thick finished steel plate thickness 150～400mm that refers generally to, the steel plate substance reaches more than 30～80t, and the heaviest 100t that surpasses needs to adopt the special thick slab of extra wide to produce, wide 3000～the 4000mm of slab, thick 200～800mm.Because the increase of width of plate slab and thickness is more stricter than general Heavy Plate Production to the requirement of high-pressure water descaling.
Traditional cut deal high pressure water descaling device, though can pass through four high pressure collector pipes, slab is carried out water jet descaling in four surfaces up and down, single injector is welded on the collector pipe, because the gradient of nozzle and deflection angle are fixed and are single, iron scale impacts process at current and is difficult for breaking thoroughly, thereby causes scale removal effect bad, particularly the slab corner positions.And for big substance extra wide extra-thick plate blank, there have been anisotropic characteristics in slab after casting process, and the iron scale that generates in heating process also has certain anisotropy difference, only carries out de-scaling from a direction, is difficult to remove clean.Therefore, traditional de-scaling mode is difficult to reach the removing requirement of iron scale.So should be on the basis of general cut deal de-scaling, shape to the high pressure collector pipe, nozzle angle and arrangement form are studied, and propose a kind of novel universal descaling device that is used for before a kind of circular cross section billet rolling, to satisfy the demand of big substance extra wide extra-thick plate blank de-scaling.
Summary of the invention
The purpose of this utility model is the deficiency that overcomes above-mentioned traditional de-scaling mode, provides a kind of circular cross section billet rolling preceding universal descaling device.It is simple in structure, and scale removal effect is good, and nozzle exchange is convenient, is convenient to cleaning and maintenance.
The technical solution of the utility model: the universal descaling device before the circular cross section billet rolling of the present utility model comprises high-pressure hydraulic pump, supply channel, nozzle, high-pressure hydraulic pump is connected with circular closed loop high pressure collector pipe framework by supply channel, the inboard circle spiral nozzle collector of inwardly installing at interval of high pressure collector pipe framework, spiral nozzle collector comprises the person in charge who is connected with high pressure collector pipe framework, 4～12 arms that are communicated with the person in charge, 4～12 arms evenly distribute around being responsible for into frustum, arm port assemblies nozzle, 4～12 nozzles that annular is evenly assembled on each spiral nozzle collector constitute the water spray disks.
Described arm outlet axis and person in charge's axis are at conplane clip angle Q
1Scope be 5 °～25 °.
The angle of the bus M of the outlet axes O direction of described nozzle and the place frustum conical surface is Q
2, angle Q
2Scope be 5 °～45 °.
Described spiral nozzle collector also comprises cylinder blanket, and the upper end cover of cylinder blanket is connected with the person in charge, and there is the annulus that is connected with cylinder blanket the lower end of cylinder blanket, and the nozzle positioning port is arranged on the annular circular ring; The Q of the angle between annular circular ring and the cylinder blanket and the outlet of nozzle
1The angle coupling.
Described high-pressure hydraulic pump adopts the plunger type high-pressure water pump.
Described high pressure collector pipe framework is arranged before and after having 1～6, and each high pressure collector pipe framework has independent water intaking valve control.
The outlet of described nozzle is a slit injector.
The section of described high pressure collector pipe framework is made up of anchor ring and plane, and the inboard of closed circle high pressure collector pipe framework is the plane, and spiral nozzle collector is installed on the inboard plane.
Advantage of the present utility model:
1, high pressure collector pipe framework is circular high pressure collector pipe framework, adopt the column slit injector, the current that sprayed can fully contact with the surface of circular cross section steel billet, reach the effect of best broken iron scale, nozzle is connected with spiral nozzle collector by screw thread, helps changing nozzle and cleaning.This device can be given birth to iron scale to circular cross section billet surface stove and fully be removed.
2, adopt spiral nozzle collector.Spiral nozzle collector is a cylindrical shape, and nozzle is installed on the inclined-plane of its end face outer ring, and nozzle arranges that evenly nozzle-axis becomes Q with vertical direction
1Angle, a plurality of jet expansions constitute the water spray disk on a circle; The angle of the outlet axes O direction of nozzle and the bus M of place frustum is Q
2, the jet curl is sprayed, iron scale impacts process at current and easily breaks, thus scale removal effect is better, and nozzle is connected with spiral nozzle collector by screw thread, helps changing nozzle and cleaning.
3, adopt the plunger type high-pressure water pump, can remedy the hydraulic pressure decline that the nozzle number causes more, and adopt self-cleaning filter device, safeguard the cleaning work amount with minimizing.
The utility model increases under few situation at cost, can substitute original de-scaling equipment, reaches effective purpose to the de-scaling of big substance extra wide extra-thick plate blank.
Description of drawings
Fig. 1 is a general structure schematic diagram of the present utility model.
Fig. 2 is a circular high pressure collector pipe framework schematic diagram of the present utility model.
Fig. 3 is the A-A sectional schematic diagram of Fig. 2.
Fig. 4 is the structural representation of spiral nozzle collector of the present utility model.
Fig. 5 is the structural representation of looking up of Fig. 4.
The specific embodiment
Fig. 1 is a general structure schematic diagram of the present utility model:
Universal descaling device before the circular cross section billet rolling of the present utility model, comprise that high-pressure hydraulic pump 5 is communicated with high pressure collector pipe framework 1 by supply channel 8, inlet valve 3, nozzle is installed on the high pressure collector pipe framework 1, and high-pressure hydraulic pump 5 is connected with circular closed loop high pressure collector pipe framework 1 by supply channel.
Fig. 2 is a circular high pressure collector pipe framework schematic diagram of the present utility model, and Fig. 3 is the A-A sectional schematic diagram of Fig. 2:
The circular closed loop high pressure collector pipe framework 1 inboard circle spiral nozzle collector 2 of inwardly installing at interval.
As Fig. 3, Fig. 4, Fig. 5: spiral nozzle collector 2 comprises the person in charge 2a that is connected with high pressure collector pipe framework 1,4～12 arm 2b that are communicated with person in charge 2a, 4～12 arm 2b become frustum evenly to distribute around being responsible for 2a, arm 2b port assemblies nozzle 2c, 4～12 nozzle 2c that annular is evenly assembled on each spiral nozzle collector 2 constitute the water spray disks.
Described arm 2b outlet axis and person in charge 2a axis are at conplane clip angle Q
1Scope be 5 °～25 °.
The angle of the bus M of the outlet axes O direction of described nozzle 2c and the place frustum conical surface is Q
2, angle Q
2Scope be 5 °～45 °.
Described spiral nozzle collector 2 comprises cylinder blanket 2d, the upper end cover 2g of cylinder blanket 2d is connected with person in charge 2a, there is the annulus 2e that is connected with cylinder blanket 2d the lower end of cylinder blanket 2d, nozzle positioning port 2f is arranged on the annular circular ring 2e, the outlet of nozzle 2c is embedded among the nozzle positioning port 2f, but does not stretch out.The Q of angle between annular circular ring 2e and the cylinder blanket 2d and the outlet of nozzle 2c
1The angle coupling.Annular circular ring 2e and cylinder blanket 2d play location and protective effect to arm 2b and nozzle 2c.
Described high-pressure hydraulic pump adopts the plunger type high-pressure water pump.
Described high pressure collector pipe framework 1 is arranged before and after having 1～6, and each high pressure collector pipe framework has independent water intaking valve control.
As Fig. 5, the outlet column slit injector of described nozzle 2c.
The section of described high pressure collector pipe framework 1 is made up of anchor ring and horizontal plane, and closed rectangular inboard is the plane, and spiral nozzle collector 2 is installed on the inboard plane.
Be the frustum face of Way out of the nozzle 2c angle that tilts, make the disk at the outlet of nozzle 2c and its place angle of direction deflection at circular arc at its place.
Slab 6 enters universal descaling device and carries out de-scaling after heating furnace 7 heating.Line direction is provided with 2～6 cover high pressure collector pipe frameworks 1 before the slab.
During work, high-pressure hydraulic pump sucks the pressurization back with low-pressure water and supplies with high pressure collector pipe framework 1, by nozzle ejection circular spiral shape jet, because jet hits easier smashing and the disruptive oxidation iron sheet from all angles.
Core of the present utility model is circular high pressure collector pipe framework installed inside one circle spiral nozzle collector; the axis of the nozzle of spiral nozzle collector with removed plaited surface by the de-scaling slab and form an angle; the current that make nozzle ejection spirality circlewise hit steel slab surface; therefore; the circular high pressure collector pipe of every employing framework and the current that make nozzle ejection spirality circlewise hit any form of steel slab surface, according to belonging to protection domain of the present utility model.
Claims (8)
1. the universal descaling device before the circular cross section billet rolling, comprise high-pressure hydraulic pump, supply channel, nozzle, it is characterized in that: high-pressure hydraulic pump is connected with circular closed loop high pressure collector pipe framework (1) by supply channel, the inboard circle spiral nozzle collector (2) of inwardly installing at interval of high pressure collector pipe framework (1), spiral nozzle collector (2) comprises the person in charge (2a) who is connected with high pressure collector pipe framework (1), 4～12 arms (2b) that are communicated with the person in charge (2a), 4～12 arms (2b) become frustum to distribute around being responsible for (2a), arm (2b) port assemblies nozzle (2c), each spiral nozzle collector (2) are gone up evenly 4～12 nozzles (2c) formation water spray disk of assembling of annular.
2. the universal descaling device before the circular cross section billet rolling according to claim 1 is characterized in that: described arm (2b) outlet axis and the person in charge (2a) axis are at conplane clip angle Q
1Scope be 5 °～25 °.
3. the universal descaling device before the circular cross section billet rolling according to claim 1 and 2, it is characterized in that: the angle of the bus M of the outlet axes O direction of nozzle (2c) and the place frustum conical surface is Q
2, angle Q
2Scope be 5 °～45 °.
4. the universal descaling device before the circular cross section billet rolling according to claim 1 and 2, it is characterized in that: described spiral nozzle collector (2) comprises cylinder blanket (2d), the upper end cover of cylinder blanket (2d) is connected with the person in charge (2a), there is the annulus (2e) that is connected with cylinder blanket (2d) lower end of cylinder blanket (2d), and nozzle positioning port (2f) is arranged on the annular circular ring (2e); The Q of the angle between annular circular ring (2e) and the cylinder blanket (2d) and the outlet of nozzle (2c)
1The angle coupling.
5. the universal descaling device before the circular cross section billet rolling according to claim 1 and 2 is characterized in that: described high-pressure hydraulic pump adopts the plunger type high-pressure water pump.
6. the universal descaling device before the circular cross section billet rolling according to claim 1 and 2 is characterized in that: arrange before and after described high pressure collector pipe framework (1) has 1～6, each high pressure collector pipe framework has independent water intaking valve control.
7. the universal descaling device before the circular cross section billet rolling according to claim 1 and 2, it is characterized in that: the outlet of described nozzle (2c) is a slit injector.
8. the universal descaling device before the circular cross section billet rolling according to claim 1 and 2, it is characterized in that: the section of described high pressure collector pipe framework (1) is made up of anchor ring and plane, the inboard of closed circle high pressure collector pipe framework (1) is the plane, and spiral nozzle collector (2) is installed on the inboard plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201247174U CN201664708U (en) | 2010-03-02 | 2010-03-02 | Universal descaling device before circular section billet rolling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201247174U CN201664708U (en) | 2010-03-02 | 2010-03-02 | Universal descaling device before circular section billet rolling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201664708U true CN201664708U (en) | 2010-12-08 |
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ID=43265661
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201247174U Expired - Fee Related CN201664708U (en) | 2010-03-02 | 2010-03-02 | Universal descaling device before circular section billet rolling |
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|---|---|
| CN (1) | CN201664708U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107639121A (en) * | 2017-10-09 | 2018-01-30 | 天津昭阳科技有限公司 | High-pressure water descaling system |
| CN108421836A (en) * | 2018-04-09 | 2018-08-21 | 新疆八钢铁股份有限公司 | shaped steel descaling device |
| CN111940519A (en) * | 2019-05-16 | 2020-11-17 | 辽宁前杜实业发展集团有限公司 | Multistage cooling system of steel rolling production line |
-
2010
- 2010-03-02 CN CN2010201247174U patent/CN201664708U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107639121A (en) * | 2017-10-09 | 2018-01-30 | 天津昭阳科技有限公司 | High-pressure water descaling system |
| CN108421836A (en) * | 2018-04-09 | 2018-08-21 | 新疆八钢铁股份有限公司 | shaped steel descaling device |
| CN111940519A (en) * | 2019-05-16 | 2020-11-17 | 辽宁前杜实业发展集团有限公司 | Multistage cooling system of steel rolling production line |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101208 Termination date: 20160302 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |