CN103861880A - High-efficiency dephosphorization method and high-efficiency dephosphorization device - Google Patents
High-efficiency dephosphorization method and high-efficiency dephosphorization device Download PDFInfo
- Publication number
- CN103861880A CN103861880A CN201410107147.0A CN201410107147A CN103861880A CN 103861880 A CN103861880 A CN 103861880A CN 201410107147 A CN201410107147 A CN 201410107147A CN 103861880 A CN103861880 A CN 103861880A
- Authority
- CN
- China
- Prior art keywords
- dephosphorization
- pressure
- efficient
- bearing cavity
- medium
- 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.)
- Granted
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B45/00—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
- B21B45/04—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills for de-scaling, e.g. by brushing
- B21B45/08—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills for de-scaling, e.g. by brushing hydraulically
Abstract
The invention relates to a high-efficiency dephosphorization method and a high-efficiency dephosphorization device. The high-efficiency dephosphorization device comprises a pressure-bearing cavity for circulating a phosphorization medium, wherein the pressure-bearing cavity is provided with a phosphorization medium inlet, the side wall, adjacent to the surface of a to-be-dephosphorized metal blank, of the pressure-bearing cavity is provided with an injection outlet passage of the dephosphorization medium, the injection outlet passage is a slender slot, so that the stream injected to the surface of the metal blank is in a non-dispersion sheet shape. The pressure-bearing cavity is a pipeline with an circular axial cross section, the pipeline is integrally formed or formed by splicing two semicircular grooves, and the pressure-bearing cavity is in a bar shape, an annular shape or a special shape. The dephosphorization medium is in a non-dispersion sheet form after being injected, the pressure is basically not scattered, so that the utilization efficiency of the pressure is improved, the injection speed of the dephosphorization stream is reduced, the service life of the dephosphorization device is prolonged; moreover, the high-efficiency dephosphorization device is not subjected to the limitation of the installation condition, the injection distance of the dephosphorization stream can be reduced, and the flow efficiency can be improved.
Description
Technical field
The present invention relates to the dephosphorize by high pressure water field of metallurgy industry metal embryo, be specifically related to a kind of efficient dephosphorization method and device.
Background technology
Metal base (steel billet or copper embryo etc.) is in the condition of high temperature in the operation of rolling, and surface can be oxidized because of ingress of air, forms the oxide skin (being phosphorus skin) of one deck densification.The process of before rolling, this layer of oxide skin being removed is de-scaling, and de-scaling can improve rolling quality and roll working life.
As shown in Figure 1, traditional phosphorus removing method is to utilize fan-shaped dephosphorization nozzle 2, and under water under high pressure effect, forming fan-shaped water bundle 3(and a metal base 1 with impulsive force has certain angle), for cutting and washing away the oxide skin on metal base 1.
The dephosphorization apparatus that tradition phosphorus removing method adopts is fan-shaped dephosphorization nozzle 2, and because fan-shaped water bundle 3 Pressure Diffusion losses are large, its pressure efficiency is very low, is generally the strike pressure ÷ dephosphorization hydraulic pressure of 3%(pressure efficiency=water bundle acting surface by force × 100%).
Traditional dephosphorize by high pressure water method, needs larger stream distance (being generally 150 ㎜).To meet the minimum installing space of fan-shaped dephosphorization nozzle.Under identical strike pressure conditions, flow and stream distance relation in direct ratio, traditional dephosphorize by high pressure water method Flux efficiency is lower, is generally less than actual water Shu Houdu × 100% of the essential core pressure district water Shu Houdu ÷ dephosphorization function face of 10%(Flux efficiency=dephosphorization).
Summary of the invention
The problem that the present invention is directed to above-mentioned prior art existence is made improvement, and technical problem to be solved by this invention is to provide a kind of efficient dephosphorization method and device thereof, can solve dephosphorization problem with higher pressure efficiency and Flux efficiency.
In order to solve the problems of the technologies described above, a kind of technical scheme of the present invention is: a kind of efficient dephosphorization device, comprise the pressure-bearing cavity for the dephosphorization medium that circulates, on described pressure-bearing cavity, be provided with dephosphorization medium inlet, on the close sidewall for the treatment of dephosphorization metal embryo surface of described pressure-bearing cavity, be provided with the jet exit passage of dephosphorization medium, described jet exit passage is long and narrow bar seam, so that its a fluid stream spraying to metal embryo surface is the sheet type shape of non-diffusion; Described jet exit passage can be integral with pressure pocket system, also can be made into separately an independently jet segment with jet exit passage; Described jet segment is directly fixedly connected on the dephosphorization media outlet place of pressure-bearing cavity, and an adapter section also can be set between the dephosphorization media outlet place of pressure-bearing cavity and jet segment; Described jet segment comprises two injection pieces that are oppositely arranged, and the bar seam between described injection piece forms jet exit passage.
Further, described pressure-bearing cavity is the rounded pipeline of axial cross section, described pipeline is integrated to be made or is spliced by two semi-circular groove, be monoblock type pressure-bearing cavity or Split pressure-bearing cavity, for adapting to the metal base de-scaling requirement of different cross section shape, described pressure-bearing cavity and jet exit passage are bar shaped, arc, annular or special-shaped, and described jet exit passage can be arranged on any side of pressure-bearing cavity.
When described efficient dephosphorization device is used for profiled metal base (as: rail, I-steel etc.) dephosphorization, described pressure-bearing cavity and jet exit passage (or jet segment) can be made as abnormity, make efficient dephosphorization device simpler and easy, now, the bar seam of outlet section can be wide or not wide, so that the de-scaling at the each position of profiled metal base strike pressure is even.
Further, described pressure-bearing inside cavity is provided with at least one dividing plate along pipeline direction of axis line, and described dividing plate makes pressure-bearing inside cavity form multiple mutual disconnected compartments, and described compartment is provided with independently dephosphorization medium inlet and jet exit passage; When described jet exit passage is made independently jet segment, the multiple jet segments that are connected with pressure-bearing cavity outlet can integral production, in the time being applied to heterogeneous de-scaling medium, is conducive to equipment miniaturization, more succinct.
Further, the jet exit passage of described pressure-bearing cavity parallels with pressure pocket body axial line, the porch of described jet exit passage is provided with the flow equalization section for improving dephosphorization rate-of flow distributing uniformity, when described jet exit passage is made independently jet segment, described flow equalization section is arranged on exit or the jet segment porch of pressure-bearing cavity.
Further, between described jet exit feeder connection and outlet, be provided with the die cavity being formed by rectification section and outlet section, described rectification section and outlet section set gradually along injection direction, two sides of described rectification section are parallel to each other or are an angle of throat shrinking to Way out, described side is plane or arcwall face, two sides of described outlet section are parallel to each other or are an angle of throat shrinking to Way out, and two sides of described outlet section are plane; One of them side of described outlet section can form a diversion section along injection direction prolongation, and this side is pointed to consistent with injection direction or formed separately an inclination angle, and diversion section sprays the direction of a fluid stream and improves jet length for adjusting; Described dephosphorization medium is gas and its jet velocity while being supersonic speed, and two sides of described jet exit passage form long and narrow rectangle Lavalle structure.
Further, on the porch of described jet exit passage, be provided with at least one reinforcement, when described jet exit passage is made independently jet segment, described reinforcement is arranged on the exit of pressure-bearing cavity, described reinforcement can be clipped a part as flow equalization section near a side of jet segment, and described flow equalization section also can be arranged on adapter section place.
In order to solve the problems of the technologies described above, another kind of technical scheme of the present invention is: a kind of efficient dephosphorization method, comprise the dephosphorization mechanism being provided with as above-mentioned efficient dephosphorization device, dephosphorization water supply system and conventional auxiliary equipment, make dephosphorization medium spray the sheet type a fluid stream of non-diffusion to the metal embryo surface for the treatment of de-scaling through efficient dephosphorization device, to remove phosphorus skin.
The efficient dephosphorization device that described efficient dephosphorization method is used, the dephosphorization a fluid stream of its injection is non-fan-shaped sheet type, and the Pressure Diffusion loss of traditional fan-shaped descaling jet does not occur or seldom occurs, and its pressure utilization ratio significantly improves, and energy-saving effect is remarkable.
Based on same principle, described efficient dephosphorization method, can be applied to efficiently and need the similar applications such as local powerful a fluid stream impact (as: eliminating sludge in pipe, force cooling, road surface cleaning etc.).If adopt gas, the combination of water two phase flow, also can be applicable to need the spraying purposes (as: humidifying air, allows air moisture content supersaturation, makes dust or haze generation sedimentation etc.) of large flow or especially big flow.
Further, the multiphase medium that described dephosphorization medium is liquid, gas, particle one or more compositions wherein.
Described phosphorus removing method, except traditional wet method (dephosphorization medium is water), also can adopt dry method (as: dephosphorization medium is gas or gas and particle); Semidry method (as: dephosphorization medium is a small amount of water or gas and only uses a small amount of water), water base of the de-scaling of semidry method is evaporated completely, therefore can not match de-scaling water recovery, precipitation, lifting, purification, cooling, etc. device, descaling system is greatly simplified; Gas dephosphorization medium, can utilize the dirty nitrogen of oxygen, superfluous steam, further reduces production costs, and saving water resource.While adopting dry method, semidry method, in descaling mill, can be provided with dust and noise abatement equipment.
Further, described efficient dephosphorization matched with devices has accurate filter, described dephosphorization mechanism is also provided with the protective device of efficient dephosphorization device, described protective device is active protective device, passive type protective device or both combinations, described active protective device comprises metal embryo straightener, detect the distance measuring sensor of metal embryo deflection, automatically adjust the active avoiding mechanism of efficient dephosphorization device setting height(from bottom), described passive type protective device is passive avoiding mechanism, comprise the stop that restriction metal embryo moves and drive the synchronization-moving Dao Wei of efficient dephosphorization device mechanism.
For improving Flux efficiency, the efficient dephosphorization device that this method adopts can be pressed close to steel embryo and install.The bar seam width of outlet section can be accomplished very little (as: 0.1mm), for preventing stopping up, needs supporting accurate filter.Accurate filter can be efficient cyclone (as: separate level 10 μ m), filter screen or both combinations; For preventing that efficient dephosphorization device is subject to steel embryo and collides, be provided with the protective device of efficient dephosphorization device.
Wherein, described active avoiding mechanism, the steel embryo deflection detecting according to distance measuring sensor, adjusts the setting height(from bottom) of efficient dephosphorization device automatically.Described passive avoiding mechanism, when steel embryo deflection exceedes the allowed band (as: 20 mm) that can enter rod seam, stop stops steel embryo and gives a warning by attention device.When steel embryo deflection is in the allowed band (as: below 20 mm) of rod seam, and while exceeding the setting height(from bottom) (as: 10 mm) of efficient dephosphorization device, Dao Wei mechanism (setting height(from bottom) is consistent with efficient dephosphorization device) is collided by steel embryo and drives efficient dephosphorization device synchronizing moving.For reducing Dao Wei mechanism to the resistance of steel embryo and raising durability, lead position and can be provided with less importing angle (as: 15 °) or adopt the contact (that is: lead position and be provided with roller bearing) of rolling simultaneously, also can adopt power importing.The alignment part of Dao Wei mechanism and steel embryo straightener adopts hard material, and has supporting cooling system.
Compared with prior art, the present invention has following beneficial effect: this device adopts the efficient dephosphorization device of special construction, make to be sheet type after de-scaling medium injection, pressure is not diffusion substantially, improve pressure utilization ratio, the jet velocity of dephosphorization a fluid stream is also minimized, and be improved the service life of dephosphorization apparatus, has wide market and economic benefit.
Below in conjunction with the drawings and specific embodiments, the present invention will be further described in detail.
Accompanying drawing explanation
Fig. 1 is traditional descaling method schematic diagram.
Fig. 2 is a kind of integral type high-efficiency dephosphorization apparatus structural representation in the embodiment of the present invention.
Fig. 3 is A-A cutaway view in Fig. 2.
Fig. 4 is the upward view of Fig. 2.
Fig. 5 is a kind of Split high-efficiency dephosphorization apparatus structural representation in the embodiment of the present invention.
Fig. 6 is a kind of Split high-efficiency dephosphorization apparatus structural representation with dividing plate in the embodiment of the present invention.
Fig. 7 is a kind of circular ring type efficient dephosphorization apparatus structure schematic diagram in the embodiment of the present invention.
Fig. 8 is B-B cutaway view in Fig. 7.
Fig. 9 is jet segment structural representation in the embodiment of the present invention.
Figure 10 is that in the embodiment of the present invention, jet segment is the schematic diagram of Lavalle structure.
Figure 11 is the work of the dephosphorization mechanism with efficient dephosphorization device schematic diagram in the embodiment of the present invention.
The protective device schematic diagram of the dephosphorization mechanism with efficient dephosphorization device in Figure 12 figure embodiment of the present invention.
In figure: 1-metal embryo, the fan-shaped dephosphorization nozzle of 2-, the fan-shaped diffusion water of 3-bundle, 4-pressure-bearing cavity, 5-jet segment, 6-sprays piece, 7-adapter section, 8-exhalant canal, 9-flow equalization section, 10-rectification section, 11-outlet section, the outlet position of 12-bar seam shape, 13-exit passageway reinforcement, 14-shrouding, 15-Split pressure-bearing cavity, 16-pressure-bearing cavity reinforcement, 17-dividing plate, 18-annular bearing cavity, 18A-annular bearing cavity dephosphorization medium inlet, 19-Lavalle structure is sprayed piece, 19a-Lavalle structure contraction section, 19b-Lavalle structure throat, 19c-Lavalle structure expansion segment, 20-dephosphorization feed pipe, 21-accurate filter, 22-control valve, 23-dephosphorization controller, 24-dephosphorization mechanism, 25-efficient dephosphorization device, the sheet type water bundle of the non-diffusion of 26-, 27-heat exchanger, 28-exhaust blower, 29-exhaust duct, 30-normally sticks up a high position, 31-sticks up a high position extremely, 32-stop, 33-metal embryo straightener, 34-Dao Wei mechanism, 35-slide rail, 36-efficient dephosphorization device installing rack, 37-chute, 38-chute fixed mount, 39-adjuster, 40-actuator.
The specific embodiment
Embodiment mono-: as shown in Fig. 2 ~ 4, a kind of integral type high-efficiency dephosphorization apparatus, comprise for the monoblock type pressure-bearing cavity 4 of the dephosphorization medium that circulates and the jet segment 5 of injection dephosphorization medium, on described pressure-bearing cavity 4, be provided with dephosphorization medium inlet, in described pressure-bearing cavity 4 lower wall, be provided with the exit passageway 8 of dephosphorization medium, the outlet position 12 of described jet segment is long and narrow bar seam, so that its a fluid stream spraying to metal embryo surface is the sheet type shape of non-diffusion, described jet segment 5 is fixed on exit passageway 8 places of pressure-bearing cavity by adapter section 7, the two ends of described jet segment 5 are provided with shrouding 14, on described pressure-bearing cavity, be provided with reinforcement 16.
In the present embodiment, described pressure-bearing cavity 4 is the rounded pipeline of axial cross section, and described pressure-bearing cavity 4 and jet segment 5 are bar shaped.
In the present embodiment, as shown in Figure 9, spray by two the jet exit passage that piece 6 forms, spray by two the jet exit passage that piece 6 forms, comprise the flow equalization section 9, rectification section 10 and the outlet section 11 that set gradually along injection direction, two sides of described flow equalization section 9 are parallel to each other, two sides of described rectification section 10 are an angle of throat (12 ° ~ 30 °) shrinking to Way out, described side is plane, two sides of described outlet section 11 are parallel to each other, and two sides of described outlet section 11 are plane.
In the present embodiment, as shown in figure 10, described dephosphorization medium is that gas and its jet velocity are while being supersonic speed, two sides that described Lavalle structure is sprayed piece 19 form long and narrow rectangle Lavalle structure, comprise the Lavalle structure contraction section 19a setting gradually along its Way out, the Lavalle 19b of structure throat and Lavalle structure expansion segment 19c, when work, compressed gas descaling medium enters flow equalization section 9, be subject to throttling and current stabilization effect at Lavalle structure contraction section 19a and the 19b of Lavalle structure throat, then spray from Lavalle structure expansion segment 19c, the compressed gas descaling medium of employing with different pressure, can obtain the ultrasonic gas a fluid stream of different Mach number, in the time that Mach number is enough large, can only use gas medium de-scaling, utilize air-flow to accelerate few strength liquid or solid, can reduce the speed of gas a fluid stream.
In the present embodiment, for solving because of the long compressive resistance problem that can reduce monoblock type pressure-bearing cavity of pressure-bearing cavity 4, on the porch of described pressure-bearing cavity exit passageway 8, be provided with at least one reinforcement 13.
Embodiment bis-: as shown in Figure 5, a kind of Split high-efficiency dephosphorization apparatus, described Split pressure-bearing cavity 15 is spliced by left and right two halves circular trough, and described injection piece can be made one with semi-circular groove, after also can independently making, is connected in semi-circular groove.
Embodiment tri-: as shown in Figure 6, a kind of Split high-efficiency dephosphorization apparatus with dividing plate, in the middle of described two semi-circular groove, be provided with a dividing plate 17, described dividing plate makes pressure-bearing inside cavity form two mutual disconnected compartments, and described compartment is provided with independently dephosphorization medium inlet and jet exit passage.
In the time adopting gas, liquid (or solid) for dephosphorization medium, when gas medium ejection, near generation negative pressure outlet section, sucking liquid (or solid) dephosphorization medium, jointly complete de-scaling, by the measures such as deflector (as: utilize Coanda effect---Coanda Effect) and other are set, can dwindle two jet segment outlet sections between from, improve negative pressure utilization rate (specific implementation method, accompanying drawing does not show).
Embodiment tetra-: as shown in Fig. 7 ~ 8, a kind of circular ring type efficient dephosphorization device, described annular bearing cavity 18 can be spliced by two ring grooves, is provided with dephosphorization medium inlet 18A on described pressure-bearing cavity, and described jet segment 5 is arranged on pressure-bearing cavity madial wall; For improving the scouring capability of a fluid stream to phosphorus sheet, a fluid stream that outlet section sprays is provided with an angle (as: 15 ° of inclination angles) that is beneficial to de-scaling.
Embodiment five: as shown in figure 11, a kind of dephosphorization mechanism method of work with efficient dephosphorization device, in the present embodiment, dephosphorization medium is water, from the dephosphorization water of dephosphorization feed pipe 20, enters efficient dephosphorization device 24, the sheet type water bundle 26 of the water Shu Weifei diffusion of injection; The side of the sheet type dephosphorization water bundle 26 of described non-diffusion and positive two ends; be subject to air impact to have certain natural angle of flare; angle of flare is generally 2 ° of left and right; because the fan-shaped diffusion that traditional descaling method certainly leads to does not occur a fluid stream of efficient dephosphorization device substantially; its pressure utilization ratio improves 20-40 doubly than traditional descaling method; under suitable safeguard protection; the mounting distance minimum (as: 3mm) of efficient dephosphorization device 25 and metal embryo 1; its Flux efficiency improves 2-10 doubly, the energy-saving benefit highly significant that this efficient dephosphorization method produces.
The workflow of its concrete phosphorus removing method is, dephosphorization controller 23 detects when metal base 1 arrives, certain hour is opened dephosphorization control valve 22 in advance, dephosphorization water with certain pressure intensity is through accurate filter 21, dephosphorization control valve 22, enter the efficient dephosphorization device 25 of being located at dephosphorization mechanism 24, efficient dephosphorization device 25 ejects the sheet type water bundle 26 of non-diffusion, hit on metal base 1 with certain inclination angle (be generally and lean forward 15 °), carry out dephosphorization, after dephosphorization completes, under the control of dephosphorization controller 23, dephosphorization control valve 22 is closed; The water that dephosphorization process is overflowed is discharged from the bottom of dephosphorization mechanism 24, through reclaiming, cooling, purify after recycling; By on the top of dephosphorization mechanism 24, heat exchanger 27 being set, exhaust blower 28, exhaust duct 29, can reclaim steam thermal energy and condensed water that dephosphorization process produces, and exhaust blower 28 is subject to the control of dephosphorization controller 23; In the time adopting gas dephosphorization medium, dephosphorization mechanism 24 inside are provided with silencing apparatus, endanger for noise control.
As shown in figure 12, the protective device of the dephosphorization mechanism with efficient dephosphorization device, this protective device is depicted as portion-form, and slightly, be depicted as portion-form is following two kinds of situations to other forms:
The one, be provided with metal embryo straightener 33(and be applicable to less de-scaling jet length, the mounting distance of efficient dephosphorization device 25 and metal embryo 1, for the outlet position a little more than metal embryo straightener 33, as 3mm): metal embryo 1 extremely stick up high-order 31(as: stick up high 100mm) when above, limited device 32 stops and can not pass through, the safety switch of being now located on stop 32 is touched, and sends stifled embryo warning, notifies user to process; When metal embryo 1 is extremely sticking up high-orderly below 31 time, metal embryo 1, by stop 32, enters metal embryo straightener 33, and the metal embryo 1 after alignment, through Dao Wei mechanism 34, arrives efficient dephosphorization device 25, starts dephosphorization.
The 2nd, be not provided with the setting height(from bottom) of steel embryo straightener 33(efficient dephosphorization device 25, for lower than normally sticking up high-order 30, as: 10mm): metal embryo 1 normally stick up high-order 30(as: when 20mm) above (now, metal embryo 1 can not enter the roll gap that rolls rod smoothly), limited device 32 stops and can not pass through, the safety switch of being now located on stop 32 is touched, and sends stifled embryo warning, notifies user to process.
When metal embryo 1 normally stick up high-order below 30 and between the setting height(from bottom) of efficient dephosphorization device 25 time, metal embryo 1 can collide Dao Wei mechanism 34, after Dao Wei mechanism 34 is collided, drive slide rail 35 and the efficient dephosphorization device 25 that is arranged on slide rail 35 inside to move to the high direction of sticking up of metal embryo 1 in chute 37 inter-syncs, make metal embryo 1 can reach smoothly the position of efficient dephosphorization device 25, start dephosphorization; Actuator 40 is a fast liter, slow descending mechanism, with 34 actings in conjunction of Dao Wei mechanism, can allow the efficient dephosphorization device 25 that is arranged on slide rail 35 inside as required away from metal embryo 1, and slowly reset, actuator 40 also can coordinate with distance measuring sensor, automatically adjusts the mounting distance of efficient dephosphorization device 25 and metal embryo 1.
In the time that metal embryo 1 is below the setting height(from bottom) of efficient dephosphorization device 25, the efficient dephosphorization device 25 that can go directly, starts dephosphorization.
The foregoing is only preferred embodiment of the present invention, all equalizations of doing according to the present patent application the scope of the claims change and modify, and all should belong to covering scope of the present invention.
Claims (9)
1. an efficient dephosphorization device, it is characterized in that: comprise the pressure-bearing cavity for the dephosphorization medium that circulates, on described pressure-bearing cavity, be provided with dephosphorization medium inlet, on the close sidewall for the treatment of dephosphorization metal embryo surface of described pressure-bearing cavity, be provided with the jet exit passage of dephosphorization medium, described jet exit passage is long and narrow bar seam, so that its a fluid stream spraying to metal embryo surface is the sheet type shape of non-diffusion.
2. efficient dephosphorization device according to claim 1, it is characterized in that: described pressure-bearing cavity is the rounded pipeline of axial cross section, described pipeline is integrated to be made or is spliced by two semi-circular groove, and described pressure-bearing cavity and jet exit passage are bar shaped, arc, annular or special-shaped.
3. efficient dephosphorization device according to claim 2, it is characterized in that: described pressure-bearing inside cavity is provided with at least one dividing plate along pipeline direction of axis line, described dividing plate makes pressure-bearing inside cavity form multiple mutual disconnected compartments, and described compartment is provided with independently dephosphorization medium inlet and jet exit passage.
4. efficient dephosphorization device according to claim 2, it is characterized in that: the jet exit passage of described pressure-bearing cavity parallels with pressure pocket body axial line, and the porch of described jet exit passage is provided with the flow equalization section for improving dephosphorization rate-of flow distributing uniformity.
5. according to the efficient dephosphorization device described in claim 1,2,3 or 4, it is characterized in that: between described jet exit feeder connection and outlet, be provided with the die cavity being formed by rectification section and outlet section, described rectification section and outlet section set gradually along injection direction, two sides of described rectification section are parallel to each other or are an angle of throat shrinking to Way out, described side is plane or arcwall face, two sides of described outlet section are parallel to each other or are an angle of throat shrinking to Way out, and two sides of described outlet section are plane; Described dephosphorization medium is gas and its jet velocity while being supersonic speed, and two sides of described jet exit passage form long and narrow rectangle Lavalle structure.
6. efficient dephosphorization device according to claim 5, is characterized in that: on the porch of described jet exit passage, be provided with at least one reinforcement.
7. an efficient dephosphorization method, comprise the dephosphorization mechanism of efficient dephosphorization device is as claimed in claim 1 installed, dephosphorization water supply system and conventional auxiliary equipment, it is characterized in that: make dephosphorization medium spray the sheet type a fluid stream of non-diffusion to the metal embryo surface for the treatment of de-scaling through efficient dephosphorization device, to remove phosphorus skin.
8. efficient dephosphorization method according to claim 7, is characterized in that: described dephosphorization medium is the multiphase medium of liquid, gas, particle one or more compositions wherein.
9. efficient dephosphorization method according to claim 7, it is characterized in that: described efficient dephosphorization matched with devices has accurate filter, described dephosphorization mechanism is also provided with the protective device of efficient dephosphorization device, described protective device is active protective device, passive type protective device or both combinations, described active protective device comprises metal embryo straightener, detect the distance measuring sensor of metal embryo deflection, automatically adjust the active avoiding mechanism of efficient dephosphorization device setting height(from bottom), described passive type protective device is passive avoiding mechanism, comprise the stop that restriction metal embryo moves and drive the synchronization-moving Dao Wei of efficient dephosphorization device mechanism.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410107147.0A CN103861880B (en) | 2014-03-21 | 2014-03-21 | A kind of efficient descaling method and device thereof |
| PCT/CN2014/075082 WO2015139347A1 (en) | 2014-03-21 | 2014-04-10 | High-efficiency dephosphorization method and apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410107147.0A CN103861880B (en) | 2014-03-21 | 2014-03-21 | A kind of efficient descaling method and device thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103861880A true CN103861880A (en) | 2014-06-18 |
| CN103861880B CN103861880B (en) | 2016-03-30 |
Family
ID=50901235
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410107147.0A Expired - Fee Related CN103861880B (en) | 2014-03-21 | 2014-03-21 | A kind of efficient descaling method and device thereof |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN103861880B (en) |
| WO (1) | WO2015139347A1 (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104607473A (en) * | 2014-12-30 | 2015-05-13 | 山东钢铁股份有限公司 | Rolled workpiece cooling device and method |
| CN105382045A (en) * | 2015-10-09 | 2016-03-09 | 太原科技大学 | Nozzle quick change device in abrasive slurry injecting descaling device for strip steel |
| CN106424171A (en) * | 2016-09-18 | 2017-02-22 | 太原科技大学 | High-pressure water descaling device for hot-rolled plate strip steel |
| CN107433289A (en) * | 2016-05-27 | 2017-12-05 | 上海梅山钢铁股份有限公司 | Energy-efficient descaling header |
| CN108421836A (en) * | 2018-04-09 | 2018-08-21 | 新疆八钢铁股份有限公司 | shaped steel descaling device |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1397136A (en) * | 1971-07-17 | 1975-06-11 | Centro Speriment Metallurg | Device and method for cooling hot-rolled metallic strips |
| JPS5691922A (en) * | 1979-12-27 | 1981-07-25 | Kawasaki Steel Corp | Slit nozzle for rolling mill oil |
| JPS60116726A (en) * | 1983-11-28 | 1985-06-24 | Sumitomo Metal Ind Ltd | Method and apparatus for cooling uniformly thick steel plate |
| CN2423487Y (en) * | 2000-05-19 | 2001-03-14 | 上海新华气焊工具厂 | Gas cutting torch |
| CN201082432Y (en) * | 2007-08-16 | 2008-07-09 | 宝山钢铁股份有限公司 | Big mill scale removal case protecting device |
| CN102518534A (en) * | 2011-12-30 | 2012-06-27 | 中国人民解放军国防科学技术大学 | Heating device of hydrocarbon fuel |
| WO2013001350A2 (en) * | 2011-06-30 | 2013-01-03 | Danieli & C. Officine Meccaniche Spa | Device and method for the removal of scale from a metal product |
| CN202654780U (en) * | 2012-07-16 | 2013-01-09 | 安徽中杭股份有限公司 | Water descaling bag filter on profile steel tandem rolling line |
| CN103115027A (en) * | 2013-02-05 | 2013-05-22 | 中国人民解放军国防科学技术大学 | Supersonic velocity circular flow nozzle with injector |
| CN203803943U (en) * | 2014-03-21 | 2014-09-03 | 福建德兴节能科技有限公司 | Efficient phosphorus removal device |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2425723Y (en) * | 2000-04-29 | 2001-04-04 | 刘復麟 | Abrasive high-pressure water descaling nozzle |
| US6814815B2 (en) * | 2003-04-07 | 2004-11-09 | The Material Works, Ltd. | Method of removing scale and inhibiting oxidation in processed sheet metal |
| CN201324678Y (en) * | 2008-12-20 | 2009-10-14 | 康玉功 | Metallurgical nozzle head |
| CN101502852B (en) * | 2009-03-12 | 2010-08-25 | 河北文丰钢铁有限公司 | Sweeping and descaling device for rough rolling of band steel with wind and water |
| CN101954387A (en) * | 2009-07-16 | 2011-01-26 | 宝钢集团新疆八一钢铁有限公司 | Self-enclosed coaxial equal-angle alternate rotary descaling header device |
-
2014
- 2014-03-21 CN CN201410107147.0A patent/CN103861880B/en not_active Expired - Fee Related
- 2014-04-10 WO PCT/CN2014/075082 patent/WO2015139347A1/en active Application Filing
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1397136A (en) * | 1971-07-17 | 1975-06-11 | Centro Speriment Metallurg | Device and method for cooling hot-rolled metallic strips |
| JPS5691922A (en) * | 1979-12-27 | 1981-07-25 | Kawasaki Steel Corp | Slit nozzle for rolling mill oil |
| JPS60116726A (en) * | 1983-11-28 | 1985-06-24 | Sumitomo Metal Ind Ltd | Method and apparatus for cooling uniformly thick steel plate |
| CN2423487Y (en) * | 2000-05-19 | 2001-03-14 | 上海新华气焊工具厂 | Gas cutting torch |
| CN201082432Y (en) * | 2007-08-16 | 2008-07-09 | 宝山钢铁股份有限公司 | Big mill scale removal case protecting device |
| WO2013001350A2 (en) * | 2011-06-30 | 2013-01-03 | Danieli & C. Officine Meccaniche Spa | Device and method for the removal of scale from a metal product |
| CN102518534A (en) * | 2011-12-30 | 2012-06-27 | 中国人民解放军国防科学技术大学 | Heating device of hydrocarbon fuel |
| CN202654780U (en) * | 2012-07-16 | 2013-01-09 | 安徽中杭股份有限公司 | Water descaling bag filter on profile steel tandem rolling line |
| CN103115027A (en) * | 2013-02-05 | 2013-05-22 | 中国人民解放军国防科学技术大学 | Supersonic velocity circular flow nozzle with injector |
| CN203803943U (en) * | 2014-03-21 | 2014-09-03 | 福建德兴节能科技有限公司 | Efficient phosphorus removal device |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104607473A (en) * | 2014-12-30 | 2015-05-13 | 山东钢铁股份有限公司 | Rolled workpiece cooling device and method |
| CN105382045A (en) * | 2015-10-09 | 2016-03-09 | 太原科技大学 | Nozzle quick change device in abrasive slurry injecting descaling device for strip steel |
| CN107433289A (en) * | 2016-05-27 | 2017-12-05 | 上海梅山钢铁股份有限公司 | Energy-efficient descaling header |
| CN107433289B (en) * | 2016-05-27 | 2019-05-24 | 上海梅山钢铁股份有限公司 | Energy-efficient descaling header |
| CN106424171A (en) * | 2016-09-18 | 2017-02-22 | 太原科技大学 | High-pressure water descaling device for hot-rolled plate strip steel |
| CN106424171B (en) * | 2016-09-18 | 2018-03-27 | 太原科技大学 | One kind is used for hot-rolled sheet strip steel high pressure water descaling device |
| CN108421836A (en) * | 2018-04-09 | 2018-08-21 | 新疆八钢铁股份有限公司 | shaped steel descaling device |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2015139347A1 (en) | 2015-09-24 |
| CN103861880B (en) | 2016-03-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103861880B (en) | A kind of efficient descaling method and device thereof | |
| CN207463833U (en) | A kind of energy-efficient wire water-cooled system | |
| CN203141323U (en) | Sand-blasting machine for inner wall of steel pipe | |
| CN203803943U (en) | Efficient phosphorus removal device | |
| CN101700532B (en) | Method and device for removing inner surface oxidized iron sheet of steel pipe on line | |
| KR20200105934A (en) | Side spray method to cool steel strip after hot rolling | |
| CN105080974A (en) | Water-gas cooling spraying nozzle assembly for roller | |
| CN209867301U (en) | Online fire removing and nodule cutting device for continuous casting round billet | |
| CN203141324U (en) | Sand spraying device | |
| CN107971352A (en) | The interior device for cooling and method of steel pipe on-line cooling | |
| JPH0445036Y2 (en) | ||
| CN204892573U (en) | Mill coil simply descale spray gun | |
| CN204700062U (en) | Air water spray cooling device on a kind of steel pipe roll road | |
| CN213915499U (en) | I-steel cooling device | |
| CN203927199U (en) | A kind of Novel pneumatic ash conveying pipe blocking-proof elbow | |
| CN204603159U (en) | A kind of screw plate | |
| CN202238910U (en) | Air-purge lubricant removing device for aluminum foil rolling mill | |
| CN110639954B (en) | Hot rolling and finish rolling device capable of efficiently collecting dust and dust collecting method | |
| CN113145670A (en) | Metal plate belt grinding descaling system | |
| CN105964710A (en) | High pressure water descaling device and descaling method | |
| CN205834146U (en) | The chiller of the secondary cooling section of continuous caster improved | |
| CN102777880B (en) | Adjustable hot air device preventing high-temperature corrosion of power station boiler | |
| CN105583737A (en) | Wet sand-throwing descaling equipment | |
| CN206854369U (en) | A kind of guide and guards with cooling and dedusting function | |
| CN107159722B (en) | A kind of guide and guards with cooling and dedusting function |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| 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: 20160330 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |