CN107900119A - A kind of jet face widens dephosphorizing machine - Google Patents
A kind of jet face widens dephosphorizing machine Download PDFInfo
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- CN107900119A CN107900119A CN201711281657.XA CN201711281657A CN107900119A CN 107900119 A CN107900119 A CN 107900119A CN 201711281657 A CN201711281657 A CN 201711281657A CN 107900119 A CN107900119 A CN 107900119A
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- dephosphorization
- nozzle
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- roller
- way
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 59
- 238000001514 detection method Methods 0.000 claims abstract description 48
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 43
- 239000007921 spray Substances 0.000 claims abstract description 17
- 230000005540 biological transmission Effects 0.000 claims abstract description 3
- 239000003595 mist Substances 0.000 claims description 15
- 238000000576 coating method Methods 0.000 claims description 10
- 239000011248 coating agent Substances 0.000 claims description 8
- 238000009413 insulation Methods 0.000 claims description 7
- 230000001681 protective effect Effects 0.000 claims description 7
- 238000007689 inspection Methods 0.000 claims 1
- 229910052573 porcelain Inorganic materials 0.000 claims 1
- 230000001105 regulatory effect Effects 0.000 claims 1
- 238000012544 monitoring process Methods 0.000 abstract description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 16
- 229910000831 Steel Inorganic materials 0.000 description 13
- 239000010959 steel Substances 0.000 description 13
- 239000002585 base Substances 0.000 description 11
- 230000000694 effects Effects 0.000 description 11
- 229910052742 iron Inorganic materials 0.000 description 8
- 238000005507 spraying Methods 0.000 description 8
- 238000009749 continuous casting Methods 0.000 description 5
- 239000000835 fiber Substances 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000005096 rolling process Methods 0.000 description 5
- 238000010008 shearing Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 238000002347 injection Methods 0.000 description 4
- 239000007924 injection Substances 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 239000000919 ceramic Substances 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 238000003801 milling Methods 0.000 description 3
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 2
- 239000002196 Pyroceram Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229910052698 phosphorus Inorganic materials 0.000 description 2
- 239000011574 phosphorus Substances 0.000 description 2
- 238000004321 preservation Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 230000001458 anti-acid effect Effects 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000005098 hot rolling Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 239000004005 microsphere Substances 0.000 description 1
- 238000012806 monitoring device Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 241000894007 species Species 0.000 description 1
- 239000002352 surface water Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 230000001550 time effect Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000009834 vaporization Methods 0.000 description 1
- 230000008016 vaporization Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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
Widening dephosphorizing machine the present invention provides a kind of jet face that effective monitoring can be carried out to the working status of spray header includes：The roller-way base being located in babinet, for conveying the roller-way of slab, dephosphorization upper header, dephosphorization lower collector pipe, for adjusting the adjusting apparatus of dephosphorization upper header, roller-way is located on roller-way base, dephosphorization upper header and dephosphorization lower collector pipe symmetrically set up separately above and below roller-way, the dephosphorization lower collector pipe and dephosphorization upper header include pedestal and nozzle, the pedestal is located on the roller-way base, the nozzle is located at the top of the pedestal, the axis extending direction of the nozzle and the short transverse of the pedestal are in 12 15 ° of angles, the direction that the opening of the angle enters towards slab；The nozzle is equipped with detection sensor, from the background equipped with monitor terminal, for receiving the detection signal of the detection sensor transmission, and regulates and controls the water spray of the nozzle；The monitor terminal is communicated to connect with the detection sensor.
Description
Technical field
The present invention relates to continuous casting continuous rolling equipment field, and in particular to a kind of jet face widens dephosphorizing machine.
Background technology
Tandem mill uses bloom or continuous casting billet as raw material, the advantages of due to continuous casting billet, physical and chemical performance ratio in addition
Bloom is uniform, and easy to increase base weight, therefore gradually the proportion of increase continuous casting billet, indivedual factories have reached 100% in recent years.Strip connects
Milling train slab thickness is generally 150-300mm, and length is generally 9-12m, and slab weight directly determines unit volume weight, modernizing
Milling train on, unit volume weight has reached 20-30 tons/rice.The yield and recovery rate of milling train can be significantly improved by increasing heavy-weight coil, but
Mechanical equipment must be increased, increases rack quantity and engine base spacing.The currently used advanced technology bag of China's hot-continuous-rolling strip steel
The direct hot charging (DHCR) and Direct Rolling (HDR) of strand are included, realizes the serialization of two inter processes, there is energy saving, province to throw
Money, shorten the series of advantages such as delivery date, significant effect.The technical requirements are made steel and conticaster steady production zero defect slab.
With the continuous improvement of strip production technology, requirement of the user to strip surface quality and precision is also all the more stringent.
Therefore pay close attention in plate belt hot rolling production to dephosphorization process, it has become a pass in thin slab continuous casting and rolling production
Key technology.New structure is all before dephosphorizing machine is arranged in roughing mill, and then before heating furnace, dephosphorization again before finish rolling.Dephosphorization
Device has the polytypes such as high pressure water, rotary high pressure water, its hydraulic pressure brings up to 40MPa from 10-20MPa.
Greatest problem existing for dephosphorizing machine is exactly Site Detection numerical value inaccuracy at present, leads to not be had at the first time
Effect detection data regulate and control field working conditions.
Chinese patent CN201322591Y discloses high pressure water dephosphorizing machine water nozzle monitoring device, including frame, installed in frame
Plastic plate on frame, frame are placed in plastic plate position correspondence dephosphorizing machine collector water nozzle when roll line plane is put into high pressure water dephosphorizing machine
Sector.
Whether water nozzle has water ejection when above-mentioned patent is only able to detect operation, other working statuses of water nozzle can not be carried out
Detection, meanwhile, face, which sprays the position that water mist is set, can also weaken the intensity for spraying water, weaken high pressure water jets and be incident upon steel slab surface
Intensity, influence phosphor-removing effect.
The content of the invention
The invention aims to provide a kind of jet face that effective monitoring can be carried out to the working status of spray header
Widen dephosphorizing machine.
In order to achieve the above object, concrete technical scheme of the invention is as follows：
A kind of jet face widens dephosphorizing machine, including：The roller-way base being located in babinet, the roller-way for conveying slab, remove
Phosphorus upper header, dephosphorization lower collector pipe, the adjusting apparatus for adjusting dephosphorization upper header, roller-way are located on roller-way base, collect in dephosphorization
Pipe and dephosphorization lower collector pipe symmetrically set up separately above and below roller-way, it is characterised in that
The dephosphorization lower collector pipe and dephosphorization upper header include pedestal and nozzle, and the pedestal is located at the roller-way base
On, the nozzle is located at the top of the pedestal, and the axis extending direction of the nozzle and the short transverse of the pedestal are in 12-
15 ° of angles, the direction that the opening of the angle enters towards slab；
The nozzle is equipped with detection sensor, from the background equipped with monitor terminal, for receiving the detection sensor transmission
Detection signal, and regulate and control the water spray of the nozzle；The monitor terminal is communicated to connect with the detection sensor.
Further, the detection sensor is located on the outer nozzle wall, and outside is equipped with protective cover, the protective cover
High temperature resistant heat insulation coating is coated with outer wall, its outermost layer is enclosed with pyroceram fibre felt.
Further, hydraulic pressure detection module is equipped with the detection sensor, current is sprayed in the unit interval for detecting
Pressure, moisture film tension detecting module to nozzle inner walls, for detecting the moisture film tension force for spraying current and being formed in jet hole.
Further, water flow velocity detection module, for detecting the instantaneous velocity for spraying current in jet hole.
Further, vibration frequency detection module is further included, for detecting the vibrations for spraying current to nozzle and pedestal
Frequency.
Further, be equipped with automatic control adjustable valve in the nozzle, the automatic control adjustable valve is located at described in the nozzle is
The mouth of pipe of one end of pedestal connection, the nozzle oral area is strip gab.
Further, the strip gab is two symmetrically arranged arcs.
Further, the pedestal of the dephosphorization lower collector pipe is fixed on the roller-way pedestal, nozzle and the base thereon
Seat is connected by shaft, and the angular range of rotation is 0-15 °；
The pedestal of the dephosphorization upper header is rotatablely connected with cabinet wall, and the nozzle thereon fixes company with the pedestal
Connect.
Further, the adjusting apparatus is that the rotation being fixed in dephosphorization babinet is long-armed, described to rotate long-armed extension
End is fixedly connected with the pedestal of the dephosphorization upper header, described to rotate long-armed rotation direction and the pedestal of the dephosphorization upper header
Rotation direction it is opposite.
Further, the roller-way width is more than or equal to 1350mm.
A kind of jet face provided by the invention widens dephosphorizing machine, can accurate and effective detect nozzle spray water when shape
State, contributes to the accurate control to field working conditions to monitoring personnel, and is accordingly adjusted in time, ensures dephosphorizing machine working status
Most preferably, the dephosphorization efficiency of dephosphorizing machine is ensured or improved, effectively reduces water resource waste.
Brief description of the drawings
Fig. 1 is the structure diagram inside dephosphorizing machine provided by the invention；
1. roller-way base, 2. roller-ways, 3. dephosphorization upper headers, 31. first pedestals, 32. first jets, 4. dephosphorization lower collector pipes,
41. the second pedestal, 42. second nozzles, 5. adjusting apparatus.
Embodiment
The jet face of one embodiment of the present invention widens dephosphorizing machine, as shown in Figure 1, including：It is located in dephosphorization babinet
Roller-way base 1, the roller-way 2 for conveying slab, dephosphorization upper header 3, dephosphorization lower collector pipe 4, the tune for adjusting dephosphorization upper header 3
Engagement positions 5, roller-way 2 are located on roller-way base 1, dephosphorization upper header 3 and dephosphorization lower collector pipe 4 be symmetrical set up separately in the top of roller-way 2 and
Lower section.It is 12-15 ° to set the angle between nozzle and pedestal, and the angle opening enters dephosphorization babinet one end towards slab
Direction, at this time, open nozzle, the direction of atomized water spray and the direction of motion of slab be in oblique angle, generation one it is slanting
Shearing force, the oxide skin of steel slab surface can come off rapidly under the action of water mist oblique shear power, reach the mesh of thorough dephosphorization
's.
Due in current industry, since site work environment is more noisy, the most long detection in scene that background monitoring obtains
Hydraulic pressure detection numerical value also tends to inaccuracy, leads to not understand presence states at the first time and handles, and then phosphor-removing effect is bad.
Present embodiment is equipped with detection sensor on nozzle, monitoring is equipped with backstage to accurately understand the handling situations at scene
Terminal, the two communication connection.The detection sensor can accurately measure and in time to monitor terminal feed back on-site job state number
According to monitor terminal is contrasted by the feedback data received with default standard value, and recognizes that the nozzle at scene sprays water mist
Situation, and adjustment in time as needed, reach and accurately and timely feed back, the purpose of timely processing, improves phosphor-removing effect.
The jet face of an embodiment of the invention widens dephosphorizing machine, and detection sensor is preferably located at outer nozzle wall
On, can accurately obtain detection data, be equipped with protective cover outside detection sensor, protective cover can using alloy material or its
His metal material or ceramic material are made, and are made in present embodiment of ordinary carbon steel.Applied on the outer wall of protective cover
High temperature resistant heat insulation coating is covered with, the high temperature resistant temperature of the coating can reach 2000 DEG C of maximum temperature, its outermost layer is enclosed with resistance to
High-temperature ceramic fibre felt.By will Sheng Weihua companies produce ZS-1 thermostable heat-isolating coatings, can reach 800 DEG C of heatproof-
Thermal conductivity factor at 2000 DEG C, proportion 2200kg/m3,70 DEG C is 0.03w/m.k, and the coating is by silicate solutions, alumina silicate
Fiber, heat reflection material and selected α phases hollow ceramic microspheres are process, and manufactured coating is inorganic one pack system, in high temperature or
Produced under person's room temperature without any peculiar smell, no any harmful substance.The coating major function is to prevent heat transfer, paint coatings energy
Effectively suppress and radiation-screening heat and conduction heat, heat-insulation and heat-preservation suppress efficiency and can reach 90%, can inhibit the hot spoke of high temp objects
Penetrate lost with heat.Heat insulation and preservation effect is good under the coating high temperature, has waterproof anticracking, fire insulation sound insulation, fire retardant insulating, wear-resisting
Antiacid alkali, light-weight, the features such as service life is long.And pyroceram fibre felt is enclosed with outermost layer, the ceramic fiber blanket
High temperature resistant maximum temperature can reach 1400 DEG C, disclosure satisfy that the requirement of operating environment.
Therefore, which is not only affected by the external environment smaller, while can accurately obtain testing number at the first time
According to and feed back, achieve the purpose that accurately to grasp field working conditions.
The jet face of one embodiment of the present invention widens dephosphorizing machine, and hydraulic pressure detection mould is provided with detection sensor
Block, can detect the pressure to nozzle inner walls from the current that pedestal jet pipe sprays at the first time, and then estimate ejection water mist
Shearing force, and adjust hydraulic pressure to optimum value, reach optimal phosphor-removing effect.The detection of moisture film tension force is also provided with detection sensor
Module, is able to detect that and sprays the moisture film tension force that water mist is formed in jet hole, and then estimates impact force when water mist sprays, when
Moisture film tension force illustrates that spraying water mist impact force reduces, then the shearing force for spraying water mist is not up to when reducing on the basis of standard value
Standard value is, it is necessary to increase the pressure for spraying current.
Water velocity detection module and vibration frequency detection module can be set by also being set in detection sensor.Can be straight
Connected detection jet pipe ejection water velocity and send background monitoring terminal to, monitor terminal and preset standard value are compared, estimated
The shearing force of water mist is sprayed from nozzle, and then is adjusted in due course to optimum value, reaches best phosphor-removing effect.
Can not accurately grasp for Site Detection data in the past one main reason is that equipment shockproofness is larger, leads
Detection device is caused can not accurately to obtain fixed detection data, the detection numerical value of equipment is also constantly changing.In present embodiment
There is provided vibration frequency detection module, can detect the vibration frequency of nozzle and pedestal in real time, and is fed back in time to backstage, due to
Detection sensor must can work normally within certain vibration frequency range, and feed back accurately detection data, when
When vibration frequency is more than critical value, it can not be worked normally, it is necessary to be adjusted to the hydraulic pressure of injector arrangement or injection water,
If vibration frequency is excessive, it may need to reduce the flow velocity of injection water at this time or reduce hydraulic pressure, to ensure detection sensor
Normal work.But when hydraulic pressure is too low or injection water flow velocity is excessively slow, at this time, and injection can be influenced to steel slab surface water mist
Shearing force, weaken phosphor-removing effect, therefore it is necessary to according to preset standard value, regulate and control vibration frequency and the spray of detection sensor
The ejection efficiency of mouth reaches optimum value.
Default hydraulic pressure, water velocity, jet hole moisture film tension force and vibration frequency are equipped with the monitor terminal on backstage
Standard value, it is only necessary to directly real-time detected value is compared with standard value, directly carries out big minor adjustment, it is easy to operate.
In an embodiment of the invention, automatic control adjustable valve is provided with nozzle, set the valve be located at nozzle and
Pedestal connects the mouth of pipe of one end, the size for spraying current is adjusted by adjusting the openings of sizes of the valve, by adjusting water
Pressure and valve openings size and then adjusting nozzle spray the pressure size of current and jet hole forms the size of moisture film tension force.
Due to when the water mist that the current that are sprayed from nozzle are formed is in sector, at this time, water mist just as a sharp blade,
The fine and close iron sheet that steel slab surface is formed is cut, and forms slight crack, most at last due to crossing cold events oxidation separated with steel slab surface
Skin cuts impact and falls, so, thin covering of the fan has the hitting power of bigger, and the oral area in present embodiment in nozzle sets bar shaped to open
Mouthful, promote to spray water mist directly into sector shape.In order to expand the area to form sector, preferably opening is arranged to two
A symmetrical arc, can increase the shear surface of water mist.
When carrying out dephosphorization to slab, due to the surface parameter of the speed of service and slab itself of slab it is different, it is necessary to
By adjusting the angle between water spray and steel slab surface to reach optimal phosphor-removing effect, thus just need nozzle and pedestal it
Between can rotate, and then rotational angle adjusting is carried out to it.For dephosphorization lower collector pipe 4,42 and second pedestal of second nozzle is set
41 are connected by shaft, and the rotational angle range of second nozzle 42 could be provided as 0-15 °.And for dephosphorization upper header 3,
Because the thickness of slab production as needed differs, and roller-way 2 is fixed setting, so, the relatively thick slab of thickness is thereon
Surface will be shifted up, and then can enter dephosphorizing machine progress dephosphorization for the ease of the slab of more polytypic, can preferably set
First pedestal 31 is rotatablely connected with cabinet wall, and first jet 32 thereon is fixedly connected with the first pedestal 31, by dephosphorization
The adjusting apparatus 5 that 3 side of collector is set pulls and rotates the first pedestal 31, and first jet 32 moves up, and then has widened roller
Spacing between road 2 and first jet 32.
The rotation that the adjusting apparatus 5 could be provided as being fixed in dephosphorization babinet is long-armed, rotates long-armed elongated end with removing
The pedestal of phosphorus upper header 3 is fixedly connected, and it is opposite with the rotation direction of the first pedestal 31 to rotate long-armed rotation direction.Pass through at this time
The long-armed rotation of rotation of adjusting apparatus 5 is controlled, and then pulls first jet 32.Or the first pedestal 31 and babinet can also be set
Inside is connected by cylinder, the height of the first pedestal 31 is adjusted by cylinder, and then adjust between roller-way 2 and first jet 32
Spacing.
The jet face of one embodiment of the present invention widens dephosphorizing machine, and 2 width of roller-way is more than or equal to 1350mm, and then can
The minimum widith of widening treatment slab reaches 1350mm, certainly, can equally handle the slab that width is less than 1350mm.Increase
Dephosphorizing machine handles the scope of slab species.
In descaling system, the high pressure water that high-pressure hydraulic pump produces enters descaling jet.Under the action of nozzle, high pressure water shape
The fan-shaped water beam for having great impact power into one, is ejected into steel billet (or middle base) surface.In this high pressure sector water jet
Under the action of beam, iron scale experienced it is cut, chilling shrink, with matrix mother metal peel off, and be washed into leave steel billet (or
Middle base) surface process, so as to iron scale be removed clean.
When high pressure water is got to billet surface by nozzle, it may occur that following change：
Fine and close iron sheet is cut as a sharp blade, forms slight crack by the sector that current are formed.It can be seen from the above that
Thin covering of the fan has the hitting power of bigger；High pressure water runs into high temperature mother metal rapidly vaporization through crack, forms similar explosion
Effect, iron scale and mother metal are peeled off；Iron scale contract on cooling after the impact of water is subject to, produces cross shear,
Iron scale and mother metal are peeled off；The souring of water jet with top rake washes away already loose iron sheet.It is exterior
Introducing water is clean circulating water, and water quality reaches the requirement of descaling pump water, and Inlet water is pressed in 0.25~0.30MPa, is introduced from outside into water
Into high water tank, then after the high pressure divideds by the scale pump pressurizes, into high pressure water pipe-line system.Due to the material of steel billet, de-scaling degree
Difference, the required water consumption of descaling of steel stock and pressure are also different, in order to ensure descaling of steel stock effect, are adjusted using frequency converter
Save de-scaling water and pressure.
More than, although the description of several embodiments of the invention, but these embodiments are intended only as example proposition
, it is not intended to limit the scope of the present invention.For these new embodiments, can be implemented in a manner of other are various,
In the range of idea of the invention is not departed from, various omissions, displacement and change can be carried out.These embodiments and its change
Shape, the invention being also contained in described in claims while being contained in scope and spirit of the present invention and its impartial model
In enclosing.
Claims (10)
1. a kind of jet face widens dephosphorizing machine, including：The roller-way base being located in dephosphorization babinet, the roller-way for conveying slab,
Dephosphorization upper header, dephosphorization lower collector pipe, the adjusting apparatus for adjusting dephosphorization upper header, roller-way is located on roller-way base, in dephosphorization
Collector and dephosphorization lower collector pipe symmetrically set up separately above and below roller-way, it is characterised in that
The dephosphorization lower collector pipe and dephosphorization upper header include pedestal and nozzle, and the pedestal is located on the roller-way base, institute
The top that nozzle is located at the pedestal is stated, the axis extending direction of the nozzle is with the short transverse of the pedestal in 12-15 ° of folder
Angle, the direction that the opening of the angle enters towards slab；
The nozzle is equipped with detection sensor, from the background equipped with monitor terminal, for receiving the inspection of the detection sensor transmission
Signal is surveyed, and regulates and controls the water spray of the nozzle；The monitor terminal is communicated to connect with the detection sensor.
2. dephosphorizing machine according to claim 1, it is characterised in that the detection sensor is located on the outer nozzle wall,
Outside is equipped with protective cover, and high temperature resistant heat insulation coating is coated with the outer wall of the protective cover, its outermost layer is enclosed with high temperature resistant pottery
Porcelain fibrofelt.
3. dephosphorizing machine according to claim 1, it is characterised in that hydraulic pressure detection module is equipped with the detection sensor,
Pressure of the current to nozzle inner walls is sprayed in the unit interval for detecting；Moisture film tension detecting module, sprays water mist for detecting
In the moisture film tension force that jet hole is formed.
4. dephosphorizing machine according to claim 3, it is characterised in that further include water velocity detection module, sprayed for detecting
Go out instantaneous velocity of the current in nozzle.
5. dephosphorizing machine according to claim 3, it is characterised in that vibration frequency detection module, for detect nozzle and
The vibration frequency of pedestal.
6. dephosphorizing machine according to claim 1, it is characterised in that be equipped with automatic control adjustable valve, the automatic control in the nozzle
Regulating valve is located at the mouth of pipe that the nozzle is one end of the pedestal connection, and the nozzle oral area is strip gab.
7. dephosphorizing machine according to claim 6, it is characterised in that the strip gab is two symmetrically arranged arcs.
8. a kind of dephosphorizing machine according to claim 1, it is characterised in that the pedestal of the dephosphorization lower collector pipe is fixed on described
On roller-way pedestal, nozzle thereon is connected with the pedestal by shaft, and the angular range of rotation is 0-15 °；
The pedestal of the dephosphorization upper header is rotatablely connected with cabinet wall, and the nozzle thereon is fixedly connected with the pedestal.
9. dephosphorizing machine according to claim 8, it is characterised in that the adjusting apparatus is to be fixed in dephosphorization babinet to turn
Dynamic long-armed, the long-armed elongated end of the rotation is fixedly connected with the pedestal of the dephosphorization upper header, described to rotate long-armed rotation
Direction is opposite with the rotation direction of the pedestal of the dephosphorization upper header.
10. according to claim 1-9 any one of them dephosphorizing machines, it is characterised in that the roller-way width is more than or equal to
1350mm。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711281657.XA CN107900119A (en) | 2017-12-07 | 2017-12-07 | A kind of jet face widens dephosphorizing machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711281657.XA CN107900119A (en) | 2017-12-07 | 2017-12-07 | A kind of jet face widens dephosphorizing machine |
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| Publication Number | Publication Date |
|---|---|
| CN107900119A true CN107900119A (en) | 2018-04-13 |
Family
ID=61854696
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711281657.XA Pending CN107900119A (en) | 2017-12-07 | 2017-12-07 | A kind of jet face widens dephosphorizing machine |
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| DE4337287A1 (en) * | 1993-11-02 | 1995-05-04 | Schloemann Siemag Ag | Method and apparatus for descaling rolled stock such as slabs, thin slabs, hot strip or roughed strip |
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| CN102755997A (en) * | 2012-07-26 | 2012-10-31 | 宝钢不锈钢有限公司 | Safe and energy-saving control device and control method of hot rolling high-pressure descaling system |
| CN202836938U (en) * | 2012-08-10 | 2013-03-27 | 邯钢集团邯宝钢铁有限公司 | Detection apparatus for high pressure water de-scaling nozzles |
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| CN207899873U (en) * | 2017-12-07 | 2018-09-25 | 河北新金轧材有限公司 | A kind of jet face widens dephosphorizing machine |
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