CN109530461A - Method and device for controlling length of high-speed wire water-cooling uncooled section - Google Patents
Method and device for controlling length of high-speed wire water-cooling uncooled section Download PDFInfo
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- CN109530461A CN109530461A CN201811277441.0A CN201811277441A CN109530461A CN 109530461 A CN109530461 A CN 109530461A CN 201811277441 A CN201811277441 A CN 201811277441A CN 109530461 A CN109530461 A CN 109530461A
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- 238000001816 cooling Methods 0.000 title claims abstract description 57
- 238000000034 method Methods 0.000 title claims abstract description 32
- 238000005096 rolling process Methods 0.000 claims abstract description 170
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 154
- 238000001514 detection method Methods 0.000 claims abstract description 6
- 239000000498 cooling water Substances 0.000 claims description 83
- 238000002789 length control Methods 0.000 claims description 28
- 238000003860 storage Methods 0.000 claims description 12
- 238000006243 chemical reaction Methods 0.000 claims description 11
- 238000007689 inspection Methods 0.000 claims description 11
- 238000003801 milling Methods 0.000 claims description 9
- 238000004590 computer program Methods 0.000 claims description 5
- 238000011144 upstream manufacturing Methods 0.000 claims description 4
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 238000003786 synthesis reaction Methods 0.000 claims description 3
- 238000004364 calculation method Methods 0.000 claims 1
- 230000008901 benefit Effects 0.000 abstract description 11
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 238000004904 shortening Methods 0.000 abstract 1
- 238000011084 recovery Methods 0.000 description 9
- 229910000831 Steel Inorganic materials 0.000 description 8
- 239000010959 steel Substances 0.000 description 8
- 238000010586 diagram Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000005275 alloying Methods 0.000 description 2
- 230000003111 delayed effect Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 241000156948 Aphantopus hyperantus Species 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 206010000496 acne Diseases 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 229910001563 bainite Inorganic materials 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000023753 dehiscence Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 229910000734 martensite Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 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 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000009466 transformation Effects 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
- B21B45/02—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 lubricating, cooling, or cleaning
- B21B45/0203—Cooling
- B21B45/0209—Cooling devices, e.g. using gaseous coolants
- B21B45/0215—Cooling devices, e.g. using gaseous coolants using liquid coolants, e.g. for sections, for tubes
- B21B45/0233—Spray nozzles, Nozzle headers; Spray systems
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B37/00—Control devices or methods specially adapted for metal-rolling mills or the work produced thereby
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- Mechanical Engineering (AREA)
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Abstract
The embodiment of the invention provides a method and a device for controlling the length of a water-cooling uncooled section of a high-speed wire, wherein the method comprises the following steps: converting the physical length of the finishing mill group into an equivalent length when the finishing mill group rolls the rolled piece according to the rolling specification of the rolled piece; calculating the opening and closing delay time of the valve of each water cooling nozzle in each water-through cold water tank at the rear section of the finishing mill group by taking the moment when the head of the rolled piece passes through the inlet thermal detection position of the finishing mill as an initial moment according to the equivalent length, the preset length of the non-cooled section of the rolled piece and the outlet speed of the finishing mill group; and sequentially controlling the opening and closing of the valve of each water-cooling nozzle in each section of water-passing cold water tank according to the calculated delay time. According to the scheme, the length of the head non-cold section and the length of the tail non-cold section which are actually generated are not consistent with the preset length of the head non-cold section and the preset length of the tail non-cold section, so that the phenomena of shortening and increasing the length of the head non-cold section and the tail non-cold section in actual production are reduced, the yield is improved, and the rolling benefit is improved.
Description
Technical field
The present invention relates to rolling technical field, in particular to the not cold segment length control method of a kind of high line Water cooling and dress
It sets.
Background technique
The core of Controlled Rolling And Controlled Cooling is during the rolling process by control heating temperature, the operation of rolling, cooling condition etc.
Technological parameter further increases the obdurability of steel and obtains reasonable comprehensive performance, and can reduce alloying element content and
Carbon content saves valuable alloying element, reduces production cost, at home using extremely wide in major iron and steel enterprise.
In the rolling of high line, it is cooling to wear by force water quenching for big cooling more than water spray, water drenching of the intensity of cooling of Water cooling
Ensured the wire rod inlet and outlet temperatures required when different units roll, be obtain high-intensitive tissue (for example, martensite or
Bainite) effective means, directly determine the processing quality and performance of product, especially closed in rolling high-strength degree and special steel
Key.
High-intensitive cooling can roll rolled piece and generate both sides adverse effect.First is that the extrusion effect with milling train is common
Effect, causes workpiece front end inhomogeneous cooling even, generates blackhead, elbow, certain specification products are easy to produce dehiscence in the head, and then lead
It causes downstream rack can not be successfully and bites rolled piece, generate piling of steel accident.Second is that high pressure water flow is to the rolled piece (most high speed in high-speed cruising
Degree can arrive 110m/s) strong impact, especially small dimension rolled piece are generated, lead to the violent shake of rolled piece, easily induction piling of steel
Accident.Therefore, in strong Water cooling, it is necessary to ensure that after workpiece front end passes through, can boiled water, namely must assure that rolled piece has foot
Not cold section of enough heads, it is ensured that workpiece front end reliably passes through and enters downstream rack.
The not cold Duan Taichang in tail portion, rolled piece tail temperature is high, is easy to appear whipping；Tail portion is not cold section too short, and rolled piece tail portion is cold
But resistance is big, and tail portion is easy to appear ringlet, to ensure that rolled piece tail portion passes through downstream rack, according to the process specification of rolling,
Need to guarantee that the length of not cold section of tail portion is controllable.
For wearing water cooling water tank after finishing mill, the first scheme in the prior art is to detect wire rod head signal
Afterwards, be delayed by one section, it is ensured that the head of rolled piece gone out it is all wear water cooling water tank or workpiece front end bite Laying head before pinch
After roller, boiled water, detecting element are generally hot metal detector, water cooling water are worn after finishing mill 4 sections of water tanks simultaneously after finishing mill
Before the outlet of case final stage or Laying head at pinch roller.
Above-mentioned control program may insure rolled piece by rear boiled water, ensure that stable rolling, but general water tank length
About 6 meters, for wearing water chiller and configure 4 sections of water tanks, there are about 40 meters for the recover section total length between water tank and water tank, if to
Just boiled water after pinch roller bites before Laying head, then about 60 meters of the not cold segment length of rolled piece (about 20 circle), the not cold segment length in this part by
It is not up to standard that all inspections is useless in performance, so that having seriously affected lumber recovery, reduce rolling benefit.
Second scheme is delayed by one section, it is ensured that the head of rolled piece after detecting wire rod head signal in the prior art
Water cooling water tank paragraph 1 is worn after having gone out finishing mill by portion, then paragraph 1 wears water cooling water tank boiled water, and subsequent each water cooling water tank of wearing successively is opened
Water.
It is useless this technique avoids largely being examined caused by the first technical solution, shorten not cold section end to end of length.But
Since rolling specs are different, mill speed is different, cause the delay time for wearing water cooling water tank paragraph 1 after finishing mill different, and it is smart
Milling train muzzle velocity is more than 100m/s, once delay time is on the low side, will result in the water slug that is cooled when rolled piece not yet passes, produces
Raw shake, easily causes piling of steel accident.Operative employee is not only unable to judge accurately delay time, but also is difficult the variation with rolling parameter
It goes to adjust delay time repeatedly, to guarantee stable rolling, operative employee tends to that longer delay is arranged, so that head is not cold
Section is partially long, has seriously affected lumber recovery, has reduced rolling benefit, final result and the first technical solution are very nearly the same.
Summary of the invention
The embodiment of the invention provides a kind of not cold segment length control methods of high line Water cooling, to solve the prior art
The technical problem that lumber recovery existing for middle high line Water cooling is low, rolling benefit is low.This method comprises:
It is equivalent when the physical length of mm finishing mill unit is converted as mm finishing mill unit rolling rolling stock according to the rolling specs of rolled piece
Length；
According to the equivalent length, the preset not cold segment length of rolled piece and the muzzle velocity of mm finishing mill unit, with rolled piece
Head by the heat inspection of finishing mill entrance at the time of be initial time, calculate each section of mm finishing mill unit rear wear it is each in water cooling water tank
The valve opening of water-cooled nozzle and the delay time of closing；
According to the delay time being calculated successively control each section wear in water cooling water tank the valve opening of each water-cooled nozzle and
It closes.
The embodiment of the invention also provides a kind of not cold segment length control devices of high line Water cooling, to solve the prior art
The technical problem that lumber recovery existing for middle high line Water cooling is low, rolling benefit is low.The device includes:
The physical length conversion of mm finishing mill unit is essence for the rolling specs according to rolled piece by equivalent length computing module
Equivalent length when milling train group rolling rolling stock；
Delay time computing module, for the preset not cold segment length and finish rolling according to the equivalent length, rolled piece
The muzzle velocity of unit calculates mm finishing mill unit as initial time at the time of using the head of rolled piece by the heat inspection of finishing mill entrance
Wear the delay time of the valve opening of each water-cooled nozzle and closing in water cooling water tank in each section of rear；
Control module wears each water-cooled nozzle in water cooling water tank for successively controlling each section according to the delay time being calculated
Valve opening and closing.
The embodiment of the invention also provides a kind of computer equipments, including memory, processor and storage are on a memory
And the computer program that can be run on a processor, the processor are realized above-mentioned arbitrary when executing the computer program
The not cold segment length control method of high line Water cooling.To solve existing for high line Water cooling in the prior art, lumber recovery is low, rolls
The low technical problem of benefit processed.
The embodiment of the invention also provides a kind of computer readable storage medium, the computer-readable recording medium storage
There is the computer program for executing the not cold segment length control method of above-mentioned arbitrary high line Water cooling.It is high in the prior art to solve
The technical problem that lumber recovery existing for line Water cooling is low, rolling benefit is low.
In embodiments of the present invention, realize successively respectively control each section of mm finishing mill unit rear wear each water cooling in water cooling water tank
The valve opening of nozzle and closing, meanwhile, it is essence by the physical length conversion of mm finishing mill unit based on the rolling specs of different rolled pieces
Equivalent length when milling train group rolling rolling stock, and then equivalent length when based on mm finishing mill unit rolling rolling stock, rolled piece is preset
The muzzle velocity of not cold segment length and mm finishing mill unit is starting at the time of with the head of rolled piece by the heat inspection of finishing mill entrance
Moment, when wearing the delay of the valve opening of each water-cooled nozzle and closing in water cooling water tank to calculate separately each section of mm finishing mill unit rear
Between, that is, realize rolling specs, the preset not cold segment length of rolled piece and the outlet speed of mm finishing mill unit based on different rolled pieces
Degree, to calculate the delay time that the valve opening of each water-cooled nozzle and closing in water cooling water tank are worn in each section of mm finishing mill unit rear, most
Each section is successively controlled according to the delay time being calculated afterwards and wears the valve opening of each water-cooled nozzle and closing in water cooling water tank, is made
It must be furthermore achieved and be worn based on the preset not cold segment length of the rolling specs of different rolled pieces, rolled piece to be accurately controlled each section
The valve opening of each water-cooled nozzle and closing in water cooling water tank.Compared with prior art, the application is realized based on different rolled pieces
Rolling specs, rolled piece preset not cold segment length be accurately controlled each section of valve for wearing each water-cooled nozzle in water cooling water tank
It opens and closes, delay time is set without operative employee, it is advantageously ensured that the accurate control of not cold segment length (is normally controlled in 3
~4 circle left and right), it is advantageously ensured that head-tail avoids cooling water slug, avoid when rolling different rolled pieces using unified delay
It is cooling that time controls each section of water tank boiled water, and then avoids the not cold segment length in the head actually generated, the not cold segment length in tail portion
Be not inconsistent with the not cold segment length in preset head, the not cold segment length in tail portion, reduce in actual production shorten, to increase head, tail not cold
The phenomenon that segment length, is conducive to improve lumber recovery, improves rolling benefit.
Detailed description of the invention
The drawings described herein are used to provide a further understanding of the present invention, constitutes part of this application, not
Constitute limitation of the invention.In the accompanying drawings:
Fig. 1 is a kind of flow chart of the not cold segment length control method of high line Water cooling provided in an embodiment of the present invention；
Fig. 2 is a kind of high line Water cooling system exemplary apparatus configuration schematic diagram provided in an embodiment of the present invention；
Fig. 3 is a kind of mm finishing mill unit physical length schematic diagram provided in an embodiment of the present invention；
Fig. 4 is a kind of multiple angle pedestal valves provided in an embodiment of the present invention successively cooling schematic diagram of boiled water；
Fig. 5 is a kind of structural block diagram of the not cold segment length control device of high line Water cooling provided in an embodiment of the present invention.
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention clearer, right below with reference to embodiment and attached drawing
The present invention is described in further details.Here, exemplary embodiment and its explanation of the invention is used to explain the present invention, but simultaneously
It is not as a limitation of the invention.
In embodiments of the present invention, a kind of not cold segment length control method of high line Water cooling is provided, as shown in Figure 1,
This method comprises:
Step 102: according to the rolling specs of rolled piece, the physical length of mm finishing mill unit being converted as mm finishing mill unit rolling rolling stock
When equivalent length；
Step 104: according to the outlet of the equivalent length, the preset not cold segment length of rolled piece and mm finishing mill unit speed
Degree calculates each section of mm finishing mill unit rear and wears water as initial time at the time of using the head of rolled piece by the heat inspection of finishing mill entrance
The delay time of the valve opening of each water-cooled nozzle and closing in cold water storage cistern；
Step 106: each section of valve for wearing each water-cooled nozzle in water cooling water tank is successively controlled according to the delay time being calculated
Door opens and closes.
Process as shown in Figure 1 realizes successively that control mm finishing mill unit rear is each respectively it is found that in embodiments of the present invention
Section wears the valve opening of each water-cooled nozzle and closing in water cooling water tank, meanwhile, based on the rolling specs of different rolled pieces, by finishing mill
Equivalent length when the physical length conversion of group is mm finishing mill unit rolling rolling stock, and then when based on mm finishing mill unit rolling rolling stock etc.
Length, the preset not cold segment length of rolled piece and the muzzle velocity of mm finishing mill unit are imitated, is entered with the head of rolled piece by finishing mill
It is initial time at the time of at the hot inspection of mouth, to calculate separately the valve that each water-cooled nozzle in water cooling water tank is worn at each section of mm finishing mill unit rear
The delay time that door opens and closes realizes the preset not cold segment length of rolling specs based on different rolled pieces, rolled piece
And the muzzle velocity of mm finishing mill unit, to calculate the valve opening that each water-cooled nozzle in water cooling water tank is worn at each section of mm finishing mill unit rear
With the delay time of closing, the delay time that last basis is calculated successively controls each section and wears each water-cooled nozzle in water cooling water tank
Valve opening and closing so that the preset not cold segment length of the rolling specs based on different rolled pieces, rolled piece is furthermore achieved
Degree wears the valve opening of each water-cooled nozzle and closing in water cooling water tank to be accurately controlled each section.Compared with prior art, this Shen
It please realize and water cooling water is worn to be accurately controlled each section based on the preset not cold segment length of the rolling specs of different rolled pieces, rolled piece
Delay time is arranged without operative employee in the valve opening of each water-cooled nozzle and closing in case, it is advantageously ensured that not cold segment length
Accurate control (being normally controlled in 3~4 circle left and right), it is advantageously ensured that head-tail avoids cooling water slug, it is different to avoid rolling
It is cooling that each section of water tank boiled water is controlled when rolled piece using unified delay time, and then avoids not cold section of the head actually generated
The not cold segment length in length, tail portion is not inconsistent with the not cold segment length in preset head, the not cold segment length in tail portion, reduces in actual production
Shorten, increase head, tail not cold segment length the phenomenon that, be conducive to improve lumber recovery, improve rolling benefit.
When it is implemented, as shown in Fig. 2, high line wears the process orientation of water-cooling system as by the side of 18# milling train to Laying head
To, for not cold section of the head control to wear water cooling water tank (control of not cold section of tail portion is similar), mm finishing mill unit is 10 roller tandem mills,
Its muzzle velocity is more than 100m/s, that is to say, that the valve event time every variation 10ms for wearing the cold nozzle of water cooling Water in Water Tanks rolls
Part changes 1m not cold segment length, therefore, to accurately control not cold segment length, just must accurately control water-cooled nozzle valve
Action delay.
It is found by Fig. 2 present inventor, the head of rolled piece is detected by finishing mill entrance heat, the detection signal
It is reliable and stable, but rolled piece is when by mm finishing mill unit, roll quantity, drafts as used by different size kind
Etc. differing greatly, cause to be all different from the valve event delay that " inspection of finishing mill entrance heat " is starting point, it can be in order to realize
For the rolling specs of different rolled pieces, the preset not cold segment length of rolled piece and the muzzle velocity of mm finishing mill unit, calculate separately
Each section of delay time for wearing the valve opening of each water-cooled nozzle and closing in water cooling water tank out, present inventor proposes will be smart
Equivalent length when the physical length conversion of milling train group is mm finishing mill unit rolling rolling stock.
When it is implemented, in actual production, present inventor's discovery, mm finishing mill unit when rolling different size rolled piece
The elongation percentage of each roll is different in the service condition and mm finishing mill unit of each roll, but is rolled for one specification of rolling
The elongation percentage of each roll is fixed value in the service condition and mm finishing mill unit of each roll of mm finishing mill unit when part, is not to implement
The value of variation, and mm finishing mill unit, as outlet rack, speed remains unchanged, and therefore, mm finishing mill unit equivalent length can basis
The come into operation elongation percentage of situation and each roll of the roll of mm finishing mill unit calculates when rolling different size.Do not changing existing equipment knot
Structure, in the case where not increasing detecting element, for the rolling specs of different rolled pieces, present inventor is proposed by the following method
The equivalent length when physical length of mm finishing mill unit is converted as mm finishing mill unit rolling rolling stock:
According in the rolling specs of rolled piece use roll the case where and each roll elongation percentage, respectively will be in mm finishing mill unit
Equivalent length when length conversion is rolling rolling stock between the rolling centerline of two neighboring roll；
Equivalent length when by each rolling rolling stock is added, and obtains equivalent length when mm finishing mill unit rolling rolling stock.
Specifically, when length between the rolling centerline of two neighboring roll being converted as rolling rolling stock by following formula
Equivalent length:
L2i1=L2i×Ei+1×Ei+2×Ei+3......×En；(1)
Wherein, L2i1For i-th in mm finishing mill unit and i+1 roll rolling rolling stock when equivalent length；L2iFor finish rolling
Length between the rolling centerline of i-th and i+1 roll in unit；Ei+1For the extension of i+1 roll in mm finishing mill unit
Rate；Ei+2For the elongation percentage of the i-th+2 rolls in mm finishing mill unit；Ei+3For the elongation percentage of the i-th+3 rolls in mm finishing mill unit；EnFor
The elongation percentage of n-th of roll in mm finishing mill unit；N is the sum of roll in mm finishing mill unit；Wherein, when mm finishing mill unit rolling rolling stock not
The elongation percentage of the roll used is 1, and the ordinal number of roll is arranged according to the direction by entrance to outlet in mm finishing mill unit.
For example, as shown in figure 3, the physical length of mm finishing mill unit is L2 so that mm finishing mill unit includes 10 rolls as an example, according to
The roll quantity that mm finishing mill unit includes divides the physical length of mm finishing mill unit, and the roll of each adjacent two roll is rolled
Centreline space length is divided into a physical length, for example, be divided into L21, L22, L23, L24, L25, L26, L27, L28,
L29, and then equivalent length when length between the roll rolling centerline of each adjacent two roll is converted as rolling rolling stock.
Specifically, the corresponding equivalent length of L21 is L211 according to above-mentioned formula (1), the corresponding equivalent length of L22 is
The corresponding equivalent length of L221, L23 is L231, and so on, the corresponding equivalent length of L29 is L291, then L291=L29×E10；
L281=L28×E9×E10；L271=L27×E8×E9×E10；And so on, L211=L21×E2×E3×E4×E5×E6×E7×
E8×E9×E10；And then equivalent length L when mm finishing mill unit rolling rolling stockIt is equivalent=L211+L221+L231+L241+L251=L261+L271+
L281+L291。
When it is implemented, after equivalent length when calculating mm finishing mill unit rolling rolling stock, in order to be rolled for different size
The not cold segment length of the not cold segment length in the tail portion of part and head calculates separately the valve that each section is worn each water-cooled nozzle in water cooling water tank and closes
The delay time that closing and opening opens is calculated by the following formula each section of mm finishing mill unit rear and wears in water cooling water tank in the present embodiment
The delay time of the valve opening of each water-cooled nozzle:
Wherein, TdabFor wear water cooling water tank a b-th of water-cooled nozzle of section valve opening delay time；L1For thermometal
The distance of detector first roll into mm finishing mill unit；V1For mm finishing mill unit upstream rack (for example, the 18# in Fig. 2, Fig. 3
Milling train) outlet linear velocity m/s；VfmFor the outlet linear velocity of mm finishing mill unit；LIt is equivalentEquivalent length when for mm finishing mill unit rolling rolling stock
Degree；L3For the last one roll of mm finishing mill unit to the distance for wearing the 1st water-cooled nozzle of water cooling water tank paragraph 1；L4To wear water cooling water tank
The 1st water-cooled nozzle of paragraph 1 is to the distance for wearing water cooling water tank a b-th of water-cooled nozzle of section；L5For the not cold segment length in preset head
Degree；Thd1For the synthesis opening time-delaying time of the valve of water-cooled nozzle.
When it is implemented, in the present embodiment, being calculated by the following formula each section of mm finishing mill unit rear and wearing in water cooling water tank
The delay time that the valve of each water-cooled nozzle is closed:
Wherein, TdcdTo wear the delay time that the valve of water cooling water tank c d-th of water-cooled nozzle of section is closed；L1For thermometal
The distance of detector first roll into mm finishing mill unit；VfmFor the outlet linear velocity of mm finishing mill unit；LIt is equivalentFor mm finishing mill unit rolling
Equivalent length when rolled piece；L3For the last one roll of mm finishing mill unit to wear the 1st water-cooled nozzle of water cooling water tank paragraph 1 away from
From；L4To wear the 1st water-cooled nozzle of water cooling water tank paragraph 1 to the distance for wearing water cooling water tank c d-th of water-cooled nozzle of section；L5It is pre-
If the not cold segment length in tail portion；Thd2Delay time is closed for the comprehensive of valve of water-cooled nozzle.
When it is implemented, by calculating each section of delay for wearing the valve opening of each water-cooled nozzle and closing in water cooling water tank
After time, as shown in Figure 4 (grey line segment be not cold section, black is cooling section), for the control of the not cold segment length in head, according to
Process orientation successively controls the valve opening of water-cooled nozzle according to delay time from front to back, it is ensured that the not cold segment length in head is always
Outside cooling range, not only reduce the impact to rolled piece, and the control effect of the not cold segment length in head is more excellent.Together
Reason successively controls water-cooled nozzle according to delay time from front to back according to process orientation for the control of the not cold segment length in tail portion
Valve close.
When it is implemented, the above-mentioned not cold segment length control method of high line Water cooling can integrate in the cold basis of wire rod control certainly
In dynamicization PLC control system, as versatility control method, it can be applied to multiple scenes (for example, a surname high line of steel two, splendid steel
High line etc.) in, in practice it has proved that this method is succinctly effective, widely applicable (distinct device type, transformation project are equally applicable), by
To will be widely welcomed for user.
When it is implemented, the valve of above-mentioned water-cooled nozzle can be electronic valve, controlled out by electronic activation signal
It opens and closes, when reaching delay time, send electronic signal to trigger valve opening or the closing of water-cooled nozzle.
Based on the same inventive concept, a kind of not cold segment length control of high line Water cooling is additionally provided in the embodiment of the present invention
Device, as described in the following examples.The principle and height solved the problems, such as due to the not cold segment length control device of high line Water cooling
The not cold segment length control method of line Water cooling is similar, therefore the implementation of the not cold segment length control device of high line Water cooling can be with
Referring to the implementation of the not cold segment length control method of high line Water cooling, overlaps will not be repeated.It is used below, term
The combination of the software and/or hardware of predetermined function may be implemented in " unit " or " module ".Although described in following embodiment
Device is preferably realized with software, but the realization of the combination of hardware or software and hardware is also that may and be contemplated.
Fig. 5 is a kind of structural block diagram of the not cold segment length control device of high line Water cooling of the embodiment of the present invention, such as Fig. 5
Shown, which includes:
The physical length conversion of mm finishing mill unit is by equivalent length computing module 502 for the rolling specs according to rolled piece
Equivalent length when mm finishing mill unit rolling rolling stock；
Delay time computing module 504, for the preset not cold segment length and essence according to the equivalent length, rolled piece
The muzzle velocity of milling train group calculates finishing mill as initial time at the time of using the head of rolled piece by the heat inspection of finishing mill entrance
Wear the delay time of the valve opening of each water-cooled nozzle and closing in water cooling water tank in each section of rear of group；
Control module 506 wears each water cooling in water cooling water tank for successively controlling each section according to the delay time being calculated
The valve opening of nozzle and closing.
In one embodiment, the equivalent length computing module, for using roll in the rolling specs according to rolled piece
The case where and each roll elongation percentage, respectively by between the rolling centerline of roll two neighboring in mm finishing mill unit length conversion be
Equivalent length when rolling rolling stock；Equivalent length when by each rolling rolling stock is added, when obtaining mm finishing mill unit rolling rolling stock etc.
Imitate length.
In one embodiment, the equivalent length computing module is by following formula by the rolling of two neighboring roll
The equivalent length when conversion of centreline space length is rolling rolling stock:
L2i1=L2i×Ei+1×Ei+2×Ei+3......×En；
Wherein, L2i1For i-th in mm finishing mill unit and i+1 roll rolling rolling stock when equivalent length；L2iFor finish rolling
Length between the rolling centerline of i-th and i+1 roll in unit；Ei+1For the extension of i+1 roll in mm finishing mill unit
Rate；Ei+2For the elongation percentage of the i-th+2 rolls in mm finishing mill unit；Ei+3For the elongation percentage of the i-th+3 rolls in mm finishing mill unit；EnFor
The elongation percentage of n-th of roll in mm finishing mill unit；N is the sum of roll in mm finishing mill unit；Wherein, when mm finishing mill unit rolling rolling stock not
The elongation percentage of the roll used is 1, and the ordinal number of roll is arranged according to the direction by entrance to outlet in mm finishing mill unit.
In one embodiment, the delay time computing module, for according to the equivalent length, rolled piece it is preset
The muzzle velocity of the not cold segment length in head and mm finishing mill unit is calculated by the following formula each section of mm finishing mill unit rear and wears water cooling water
The delay time of the valve opening of each water-cooled nozzle in case:
Wherein, TdabFor wear water cooling water tank a b-th of water-cooled nozzle of section valve opening delay time；L1For thermometal
The distance of detector first roll into mm finishing mill unit；V1For the outlet linear velocity m/s of the rack of mm finishing mill unit upstream；VfmFor
The outlet linear velocity of mm finishing mill unit；LIt is equivalentEquivalent length when for mm finishing mill unit rolling rolling stock；L3For mm finishing mill unit, the last one is rolled
Roller is to the distance for wearing the 1st water-cooled nozzle of water cooling water tank paragraph 1；L4To wear the 1st water-cooled nozzle of water cooling water tank paragraph 1 to wearing water
The distance of cold water storage cistern a b-th of water-cooled nozzle of section；L5For the not cold segment length in preset head；Thd1For the valve of water-cooled nozzle
The comprehensive opening time-delaying time.
In one embodiment, the delay time computing module, be also used to according to the equivalent length, rolled piece it is default
The not cold segment length in tail portion and mm finishing mill unit muzzle velocity, be calculated by the following formula each section of mm finishing mill unit rear and wear water cooling
The delay time that the valve of each water-cooled nozzle is closed in water tank:
Wherein, TdcdTo wear the delay time that the valve of water cooling water tank c d-th of water-cooled nozzle of section is closed；L1For thermometal
The distance of detector first roll into mm finishing mill unit；VfmFor the outlet linear velocity of mm finishing mill unit；LIt is equivalentFor mm finishing mill unit rolling
Equivalent length when rolled piece；L3For the last one roll of mm finishing mill unit to wear the 1st water-cooled nozzle of water cooling water tank paragraph 1 away from
From；L4To wear the 1st water-cooled nozzle of water cooling water tank paragraph 1 to the distance for wearing water cooling water tank c d-th of water-cooled nozzle of section；L5It is pre-
If the not cold segment length in tail portion；Thd2Delay time is closed for the comprehensive of valve of water-cooled nozzle.
In another embodiment, a kind of software is additionally provided, the software is for executing above-described embodiment and preferred reality
Apply technical solution described in mode.
In another embodiment, a kind of storage medium is additionally provided, above-mentioned software is stored in the storage medium, it should
Storage medium includes but is not limited to: CD, floppy disk, hard disk, scratch pad memory etc..
The embodiment of the present invention realizes following technical effect: realize successively respectively control each section of mm finishing mill unit rear wear water
The valve opening of each water-cooled nozzle and closing in cold water storage cistern, meanwhile, based on the rolling specs of different rolled pieces, by the object of mm finishing mill unit
Manage equivalent length when length conversion is mm finishing mill unit rolling rolling stock, and then equivalent length when based on mm finishing mill unit rolling rolling stock
Degree, the preset not cold segment length of rolled piece and the muzzle velocity of mm finishing mill unit pass through finishing mill entrance heat with the head of rolled piece
It is initial time at the time of at inspection, is opened to calculate separately each section of the mm finishing mill unit rear valve for wearing each water-cooled nozzle in water cooling water tank
The delay time for opening and closing, that is, realize rolling specs based on different rolled pieces, rolled piece preset not cold segment length and
The muzzle velocity of mm finishing mill unit wears the valve opening of each water-cooled nozzle and pass in water cooling water tank to calculate each section of mm finishing mill unit rear
The delay time closed, it is last that each section of valve for wearing each water-cooled nozzle in water cooling water tank is successively controlled according to the delay time being calculated
Door open and close so that be furthermore achieved the rolling specs based on different rolled pieces, rolled piece preset not cold segment length come
It is accurately controlled each section and wears the valve opening of each water-cooled nozzle and closing in water cooling water tank.Compared with prior art, the application is real
Show and has been worn in water cooling water tank based on the preset not cold segment length of the rolling specs of different rolled pieces, rolled piece to be accurately controlled each section
Delay time is arranged without operative employee, it is advantageously ensured that not cold segment length is accurate in the valve opening of each water-cooled nozzle and closing
Control (is normally controlled in 3~4 circle left and right), it is advantageously ensured that head-tail avoids cooling water slug, avoids the different rolled pieces of rolling
Shi Caiyong unified delay time is cooling to control each section of water tank boiled water, and then avoids the not cold segment length in the head actually generated
Degree, the not cold segment length in tail portion are not inconsistent with the not cold segment length in preset head, the not cold segment length in tail portion, reduce in actual production and contract
It is short, increase head, tail not cold segment length the phenomenon that, be conducive to improve lumber recovery, improve rolling benefit.
Obviously, those skilled in the art should be understood that each module of the above-mentioned embodiment of the present invention or each step can be with
It is realized with general computing device, they can be concentrated on a single computing device, or be distributed in multiple computing devices
On composed network, optionally, they can be realized with the program code that computing device can perform, it is thus possible to by it
Store and be performed by computing device in the storage device, and in some cases, can be held with the sequence for being different from herein
The shown or described step of row, perhaps they are fabricated to each integrated circuit modules or will be multiple in them
Module or step are fabricated to single integrated circuit module to realize.In this way, the embodiment of the present invention be not limited to it is any specific hard
Part and software combine.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the embodiment of the present invention can have various modifications and variations.All within the spirits and principles of the present invention, made
Any modification, equivalent substitution, improvement and etc. should all be included in the protection scope of the present invention.
Claims (12)
1. a kind of not cold segment length control method of high line Water cooling characterized by comprising
Equivalent length according to the rolling specs of rolled piece, when the physical length of mm finishing mill unit is converted as mm finishing mill unit rolling rolling stock
Degree；
According to the equivalent length, the preset not cold segment length of rolled piece and the muzzle velocity of mm finishing mill unit, with the head of rolled piece
It is initial time at the time of portion is by the heat inspection of finishing mill entrance, calculates each section of mm finishing mill unit rear and wear each water cooling in water cooling water tank
The valve opening of nozzle and the delay time of closing；
Each section, which is successively controlled, according to the delay time being calculated wears the valve opening of each water-cooled nozzle and closing in water cooling water tank.
2. the not cold segment length control method of high line Water cooling as described in claim 1, which is characterized in that according to rolling for rolled piece
Specification processed, the equivalent length when physical length of mm finishing mill unit is converted as mm finishing mill unit rolling rolling stock, comprising:
According in the rolling specs of rolled piece use roll the case where and each roll elongation percentage, respectively will be adjacent in mm finishing mill unit
Equivalent length when length conversion is rolling rolling stock between the rolling centerline of two rolls；
Equivalent length when by each rolling rolling stock is added, and obtains equivalent length when mm finishing mill unit rolling rolling stock.
3. the not cold segment length control method of high line Water cooling as claimed in claim 2, which is characterized in that pass through following formula
Equivalent length when length between the rolling centerline of two neighboring roll is converted as rolling rolling stock:
L2i1=L2i×Ei+1×Ei+2×Ei+3......×En；
Wherein, L2i1For i-th in mm finishing mill unit and i+1 roll rolling rolling stock when equivalent length；L2iFor mm finishing mill unit
In i-th and i+1 roll rolling centerline between length；Ei+1For the elongation percentage of i+1 roll in mm finishing mill unit；Ei+2
For the elongation percentage of the i-th+2 rolls in mm finishing mill unit；Ei+3For the elongation percentage of the i-th+3 rolls in mm finishing mill unit；EnFor finishing mill
The elongation percentage of n-th of roll in group；N is the sum of roll in mm finishing mill unit；Wherein, not used when mm finishing mill unit rolling rolling stock
The elongation percentage of roll is 1, and the ordinal number of roll is arranged according to the direction by entrance to outlet in mm finishing mill unit.
4. the not cold segment length control method of high line Water cooling as claimed any one in claims 1 to 3, which is characterized in that
Calculate the delay time that the valve opening of each water-cooled nozzle in water cooling water tank is worn at each section of mm finishing mill unit rear, comprising:
According to the not cold segment length in the preset head of the equivalent length, rolled piece and the muzzle velocity of mm finishing mill unit, by with
Lower formula calculates the delay time that the valve opening of each water-cooled nozzle in water cooling water tank is worn at each section of mm finishing mill unit rear:
Wherein, TdabFor wear water cooling water tank a b-th of water-cooled nozzle of section valve opening delay time；L1For thermometal detection
The distance of device first roll into mm finishing mill unit；V1For the outlet linear velocity m/s of the rack of mm finishing mill unit upstream；VfmFor finish rolling
The outlet linear velocity of unit；LIt is equivalentEquivalent length when for mm finishing mill unit rolling rolling stock；L3Extremely for mm finishing mill unit the last one roll
Wear the distance of the 1st water-cooled nozzle of water cooling water tank paragraph 1；L4To wear the 1st water-cooled nozzle of water cooling water tank paragraph 1 to wearing water cooling water
The distance of case a b-th of water-cooled nozzle of section；L5For the not cold segment length in preset head；Thd1For the synthesis of the valve of water-cooled nozzle
The opening time-delaying time.
5. the not cold segment length control method of high line Water cooling as claimed any one in claims 1 to 3, which is characterized in that
It calculates each section of mm finishing mill unit rear and wears the delay time that the valve of each water-cooled nozzle in water cooling water tank is closed, comprising:
According to the not cold segment length in the preset tail portion of the equivalent length, rolled piece and the muzzle velocity of mm finishing mill unit, by with
Lower formula calculates each section of mm finishing mill unit rear and wears the delay time that the valve of each water-cooled nozzle in water cooling water tank is closed:
Wherein, TdcdTo wear the delay time that the valve of water cooling water tank c d-th of water-cooled nozzle of section is closed；L1For thermometal detection
The distance of device first roll into mm finishing mill unit；VfmFor the outlet linear velocity of mm finishing mill unit；LIt is equivalentFor mm finishing mill unit rolling rolling stock
When equivalent length；L3For the last one roll of mm finishing mill unit to the distance for wearing the 1st water-cooled nozzle of water cooling water tank paragraph 1；L4For
The 1st water-cooled nozzle of water cooling water tank paragraph 1 is worn to the distance for wearing water cooling water tank c d-th of water-cooled nozzle of section；L5For preset tail
The not cold segment length in portion；Thd2Delay time is closed for the comprehensive of valve of water-cooled nozzle.
6. a kind of not cold segment length control device of high line Water cooling characterized by comprising
Equivalent length computing module converts the physical length of mm finishing mill unit for finishing mill for the rolling specs according to rolled piece
Equivalent length when group rolling rolling stock；
Delay time computing module, for the preset not cold segment length and mm finishing mill unit according to the equivalent length, rolled piece
Muzzle velocity calculate mm finishing mill unit rear as initial time at the time of using the head of rolled piece by the heat inspection of finishing mill entrance
Each section of delay time for wearing the valve opening of each water-cooled nozzle and closing in water cooling water tank；
Control module, for successively controlling each section of valve for wearing each water-cooled nozzle in water cooling water tank according to the delay time being calculated
Door opens and closes.
7. the not cold segment length control device of high line Water cooling as claimed in claim 6, which is characterized in that the equivalent length
Computing module, in the rolling specs according to rolled piece use roll the case where and each roll elongation percentage, respectively by finish rolling
Equivalent length when length conversion is rolling rolling stock between the rolling centerline of two neighboring roll in unit；When by each rolling rolling stock
Equivalent length be added, obtain equivalent length when mm finishing mill unit rolling rolling stock.
8. the not cold segment length control device of high line Water cooling as claimed in claim 7, which is characterized in that the equivalent length
It is equivalent when computing module is converted length between the rolling centerline of two neighboring roll for rolling rolling stock by following formula
Length:
L2i1=L2i×Ei+1×Ei+2×Ei+3......×En；
Wherein, L2i1For i-th in mm finishing mill unit and i+1 roll rolling rolling stock when equivalent length；L2iFor mm finishing mill unit
In i-th and i+1 roll rolling centerline between length；Ei+1For the elongation percentage of i+1 roll in mm finishing mill unit；Ei+2
For the elongation percentage of the i-th+2 rolls in mm finishing mill unit；Ei+3For the elongation percentage of the i-th+3 rolls in mm finishing mill unit；EnFor finishing mill
The elongation percentage of n-th of roll in group；N is the sum of roll in mm finishing mill unit；Wherein, not used when mm finishing mill unit rolling rolling stock
The elongation percentage of roll is 1, and the ordinal number of roll is arranged according to the direction by entrance to outlet in mm finishing mill unit.
9. the not cold segment length control device of high line Water cooling as described in any one of claim 6 to 8, which is characterized in that
The delay time computing module, for the not cold segment length in preset head and finish rolling according to the equivalent length, rolled piece
The muzzle velocity of unit is calculated by the following formula each section of the mm finishing mill unit rear valve for wearing each water-cooled nozzle in water cooling water tank and opens
The delay time opened:
Wherein, TdabFor wear water cooling water tank a b-th of water-cooled nozzle of section valve opening delay time；L1For thermometal detection
The distance of device first roll into mm finishing mill unit；V1For the outlet linear velocity m/s of the rack of mm finishing mill unit upstream；VfmFor finish rolling
The outlet linear velocity of unit；LIt is equivalentEquivalent length when for mm finishing mill unit rolling rolling stock；L3Extremely for mm finishing mill unit the last one roll
Wear the distance of the 1st water-cooled nozzle of water cooling water tank paragraph 1；L4To wear the 1st water-cooled nozzle of water cooling water tank paragraph 1 to wearing water cooling water
The distance of case a b-th of water-cooled nozzle of section；L5For the not cold segment length in preset head；Thd1For the synthesis of the valve of water-cooled nozzle
The opening time-delaying time.
10. the not cold segment length control device of high line Water cooling as described in any one of claim 6 to 8, which is characterized in that
The delay time computing module is also used to the not cold segment length in preset tail portion and essence according to the equivalent length, rolled piece
The muzzle velocity of milling train group is calculated by the following formula the valve that each water-cooled nozzle in water cooling water tank is worn at each section of mm finishing mill unit rear
The delay time of closing:
Wherein, TdcdTo wear the delay time that the valve of water cooling water tank c d-th of water-cooled nozzle of section is closed；L1For thermometal detection
The distance of device first roll into mm finishing mill unit；VfmFor the outlet linear velocity of mm finishing mill unit；LIt is equivalentFor mm finishing mill unit rolling rolling stock
When equivalent length；L3For the last one roll of mm finishing mill unit to the distance for wearing the 1st water-cooled nozzle of water cooling water tank paragraph 1；L4For
The 1st water-cooled nozzle of water cooling water tank paragraph 1 is worn to the distance for wearing water cooling water tank c d-th of water-cooled nozzle of section；L5For preset tail
The not cold segment length in portion；Thd2Delay time is closed for the comprehensive of valve of water-cooled nozzle.
11. a kind of computer equipment including memory, processor and stores the meter that can be run on a memory and on a processor
Calculation machine program, which is characterized in that the processor is realized described in any one of claim 1 to 5 when executing the computer program
The not cold segment length control method of high line Water cooling.
12. a kind of computer readable storage medium, which is characterized in that the computer-readable recording medium storage has perform claim
It is required that the computer program of 1 to 5 described in any item not cold segment length control methods of high line Water cooling.
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| CN201811277441.0A CN109530461B (en) | 2018-10-30 | 2018-10-30 | Method and device for controlling length of high-speed wire water-cooling uncooled section |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112090969A (en) * | 2020-08-28 | 2020-12-18 | 中冶华天工程技术有限公司 | Through water cooling control method and system for long material rolling |
| CN112090970A (en) * | 2020-08-28 | 2020-12-18 | 中冶华天工程技术有限公司 | Water cooling control system and control method for long material rolling |
| CN112090968A (en) * | 2020-08-28 | 2020-12-18 | 中冶华天工程技术有限公司 | Water cooling control system and control method for long material rolling |
| CN112756404A (en) * | 2020-11-23 | 2021-05-07 | 阳春新钢铁有限责任公司 | Precise and quantitative automatic control system and control method for non-cold section of production head of high-speed wire rod |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6044122A (en) * | 1983-08-19 | 1985-03-09 | Kawasaki Steel Corp | Method and apparatus for cooling hot rolled steel plate |
| CN102371283A (en) * | 2011-10-14 | 2012-03-14 | 东北大学 | Method for improving ultra-fast cooling uniformity of medium and heavy plate after rolling |
| CN102601134A (en) * | 2011-12-09 | 2012-07-25 | 秦皇岛首秦金属材料有限公司 | Method for controlling thin pipeline steel cooling uniformity in ultrafast cooling process |
| CN104511485A (en) * | 2013-09-30 | 2015-04-15 | 株式会社日立制作所 | Rolling member coiling temperature control device and rolling member coiling temperature control method |
| CN105268750A (en) * | 2015-11-23 | 2016-01-27 | 东北大学 | Head and tail rapid shielding device, system and method for moderate-thickness plate cooling system |
| CN106391727A (en) * | 2016-06-28 | 2017-02-15 | 东北大学 | Head no-cooling control method for hot rolled strip steel in ultra-rapid cooling area |
-
2018
- 2018-10-30 CN CN201811277441.0A patent/CN109530461B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6044122A (en) * | 1983-08-19 | 1985-03-09 | Kawasaki Steel Corp | Method and apparatus for cooling hot rolled steel plate |
| CN102371283A (en) * | 2011-10-14 | 2012-03-14 | 东北大学 | Method for improving ultra-fast cooling uniformity of medium and heavy plate after rolling |
| CN102601134A (en) * | 2011-12-09 | 2012-07-25 | 秦皇岛首秦金属材料有限公司 | Method for controlling thin pipeline steel cooling uniformity in ultrafast cooling process |
| CN104511485A (en) * | 2013-09-30 | 2015-04-15 | 株式会社日立制作所 | Rolling member coiling temperature control device and rolling member coiling temperature control method |
| CN105268750A (en) * | 2015-11-23 | 2016-01-27 | 东北大学 | Head and tail rapid shielding device, system and method for moderate-thickness plate cooling system |
| CN106391727A (en) * | 2016-06-28 | 2017-02-15 | 东北大学 | Head no-cooling control method for hot rolled strip steel in ultra-rapid cooling area |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112823873A (en) * | 2019-11-21 | 2021-05-21 | 杉杉能源（宁夏）有限公司 | Method and device for accurately controlling feeding of reaction kettle |
| CN112090968B (en) * | 2020-08-28 | 2022-03-25 | 中冶华天工程技术有限公司 | Water cooling control system and control method for long material rolling |
| CN112090970A (en) * | 2020-08-28 | 2020-12-18 | 中冶华天工程技术有限公司 | Water cooling control system and control method for long material rolling |
| CN112090968A (en) * | 2020-08-28 | 2020-12-18 | 中冶华天工程技术有限公司 | Water cooling control system and control method for long material rolling |
| CN112090969A (en) * | 2020-08-28 | 2020-12-18 | 中冶华天工程技术有限公司 | Through water cooling control method and system for long material rolling |
| CN112090970B (en) * | 2020-08-28 | 2022-04-22 | 中冶华天工程技术有限公司 | Water cooling control system and control method for long material rolling |
| CN112090969B (en) * | 2020-08-28 | 2022-04-22 | 中冶华天工程技术有限公司 | Through water cooling control method and system for long material rolling |
| CN112756404A (en) * | 2020-11-23 | 2021-05-07 | 阳春新钢铁有限责任公司 | Precise and quantitative automatic control system and control method for non-cold section of production head of high-speed wire rod |
| CN112756404B (en) * | 2020-11-23 | 2022-04-01 | 阳春新钢铁有限责任公司 | Precise and quantitative automatic control system and control method for non-cold section of production head of high-speed wire rod |
| CN113500101A (en) * | 2021-06-22 | 2021-10-15 | 山东莱钢永锋钢铁有限公司 | High-precision shearing control system for multi-length shear |
| CN113522990A (en) * | 2021-06-25 | 2021-10-22 | 武汉钢铁有限公司 | Method for accurately regulating and controlling spinning temperature of 70-grade cord steel |
| CN114951307A (en) * | 2022-05-20 | 2022-08-30 | 广西钢铁集团有限公司 | Hot-rolled ribbed steel bar direct-rolling sectional control cooling method |
| CN114951307B (en) * | 2022-05-20 | 2024-05-28 | 广西钢铁集团有限公司 | Direct rolling sectional control cooling method for hot rolled ribbed steel bar |
| CN117399438A (en) * | 2023-11-03 | 2024-01-16 | 中天钢铁集团(南通)有限公司 | Method for stabilizing head and tail performance in English standard rolling process |
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