CN110202012A - A kind of secondary cold-rolling emulsification direct mixed lubrication system of liquid pipeline - Google Patents
A kind of secondary cold-rolling emulsification direct mixed lubrication system of liquid pipeline Download PDFInfo
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- CN110202012A CN110202012A CN201910547900.0A CN201910547900A CN110202012A CN 110202012 A CN110202012 A CN 110202012A CN 201910547900 A CN201910547900 A CN 201910547900A CN 110202012 A CN110202012 A CN 110202012A
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- 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
- B21B45/0239—Lubricating
- B21B45/0245—Lubricating devices
- B21B45/0248—Lubricating devices using liquid lubricants, e.g. for sections, for tubes
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Abstract
The invention discloses a kind of secondary cold-rollings to emulsify the direct mixed lubrication system of liquid pipeline.The system includes oil circuit supply subsystem, water route supply subsystem, the first static mixer, the second static mixer, upper spraying rack and lower spraying rack；Oil circuit supply subsystem is used to the oil liquid in fuel tank being delivered to the first static mixer and the second static mixer respectively；Water route supply subsystem is used to the deionized water in water tank being delivered to the first static mixer and the second static mixer respectively；The inlet of upper spraying rack is connect with the liquid outlet of the first static mixer；The inlet of lower spraying rack is connect with the liquid outlet of the second static mixer.The present invention effectively raises the stability of Up and down speeding draught pressure, reduces required power and oil consumption, reduces strip thickness deviation and plate shape value fluctuates.
Description
Technical field
The present invention relates to cold rolling technology fields, emulsify the direct mixed lubrication system of liquid pipeline more particularly to a kind of secondary cold-rolling
System.
Background technique
For high-intensitive very thin secondary cold-rolling product, the secondary cold-rolling direct-injection of traditional firm discharge and concentration is moistened
Sliding technique, which not can solve, high-strength to be produced with very thin cold secondary cold-rolling product operation of rolling draught pressure with the variation of mill speed
The problems such as raw fluctuation is excessive, rolling is unstable, plate shape is difficult to control and lubricating oil consumption is excessive.
Summary of the invention
The object of the present invention is to provide a kind of secondary cold-rollings to emulsify the direct mixed lubrication system of liquid pipeline, can be improved lifting
The stability of draught pressure, reduction required power and oil consumption during speed.
To achieve the above object, the present invention provides following schemes:
A kind of secondary cold-rolling emulsification direct mixed lubrication system of liquid pipeline, comprising:
Oil circuit supplies subsystem, for the oil liquid in fuel tank to be delivered to the first static mixer and second static mixed respectively
Clutch；
Water route supplies subsystem, for the deionized water in water tank to be delivered to the first static mixer and second quiet respectively
State mixer；
First static mixer, for the oil liquid and the deionized water to be mixed, first static mixer
Water inlet is connect with the first water outlet of water route supply subsystem, the oil inlet and the oil of first static mixer
Road supplies the first oil outlet connection of subsystem；
Second static mixer, for the oil liquid and the deionized water to be mixed, second static mixer
Water inlet is connect with the second water outlet of water route supply subsystem, the oil inlet and the oil of second static mixer
Road supplies the second oil outlet connection of subsystem；
Upper spraying rack, the inlet of the upper spraying rack are connect with the liquid outlet of first static mixer；With
Lower spraying rack, the inlet of the lower spraying rack are connect with the liquid outlet of second static mixer.
Optionally, the secondary cold-rolling emulsifies the direct mixed lubrication system of liquid pipeline further include: the first hose, described first
One end of hose is connect with the first water outlet of water route supply subsystem, the other end of first hose and described first
The water inlet of static mixer connects.
Optionally, the secondary cold-rolling emulsifies the direct mixed lubrication system of liquid pipeline further include: the second hose, described second
One end of hose is connect with the second water outlet of water route supply subsystem, the other end of second hose and described second
The water inlet of static mixer connects.
Optionally, the water route supply subsystem includes water tank, water pump, flowmeter, pressure gauge, the first triple valve, first
Check valve and second one-way valve, the water inlet of the water pump are connect with the water tank, in water outlet and the institute for connecting the water pump
It states and flowmeter and pressure gauge is installed on the pipeline of the first port of the first triple valve, the second port of first triple valve is logical
It crosses first check valve to connect with one end of first hose, the second port of first triple valve also passes through described
Two check valves are connect with one end of second hose.
Optionally, the oil circuit supply subsystem includes fuel tank, oil pump, filter, flowmeter, pressure gauge, the second threeway
Valve, third check valve, the 4th check valve, the first atomizing fuel spray nozzle and the second atomizing fuel spray nozzle, the oil inlet of the oil pump and institute
Fuel tank connection is stated, the oil outlet of the oil pump is connect with the oil inlet of the filter, in the oil outlet for connecting the filter
With flowmeter and pressure gauge, the second end of second triple valve are installed on the pipeline of the first port of second triple valve
Mouth is connect by the third check valve, first atomizing fuel spray nozzle with the oil inlet of first static mixer, described
The second port of second triple valve also passes through the 4th check valve, second atomizing fuel spray nozzle and second static mixing
The oil inlet of device connects.
Optionally, the third port of first triple valve is connected to the water tank.
Optionally, the third port of second triple valve is connected to the fuel tank.
Optionally, the water route supply subsystem further includes primary heater, for the deionized water in the water tank
It is heated.
Optionally, the oil circuit supply subsystem further includes secondary heater, for carrying out to the oil liquid in the fuel tank
Heating.
Optionally, the water route supply subsystem further includes inlet valve and high water tank meter, and the inlet valve is installed on institute
It states on the water supply pipe of water tank, the high water tank meter is used to detect the liquid level of deionized water in water tank；
The oil circuit supply subsystem further includes inlet valve and tank gauge, and the inlet valve is installed on the fuel tank
On oil feed line, the tank gauge is used to detect the liquid level of oil liquid in fuel tank.
The summary of the invention provided according to the present invention, the invention discloses following technical effects: provided by the invention secondary cold
Roll emulsification the direct mixed lubrication system of liquid pipeline include oil circuit supply subsystem, water route supply subsystem, the first static mixer,
Second static mixer, upper spraying rack and lower spraying rack；Oil circuit supply subsystem is for the oil liquid in fuel tank to be delivered to respectively
First static mixer and the second static mixer；Water route supply subsystem is for the deionized water in water tank to be delivered to respectively
First static mixer and the second static mixer；First static mixer and the second static mixer are used to oil liquid and go
Ionized water is mixed, and the water inlet of the first static mixer is connect with the first water outlet of water route supply subsystem, and first is quiet
The oil inlet of state mixer is connect with the first oil outlet of oil circuit supply subsystem, the water inlet of the second static mixer and water route
Supply the second water outlet connection of subsystem, the second oil outlet of oil inlet and oil circuit the supply subsystem of the second static mixer
Connection；The inlet of upper spraying rack is connect with the liquid outlet of the first static mixer；The inlet of lower spraying rack and the second static state
The liquid outlet of mixer connects.The present invention is due to joined static mixer, so that in the rolling of very thin secondary cold-rolling product
Cheng Zhong, concentration of emulsion used can follow the variation of the speed of rolling and change, and reduce the fluctuation of coefficient of friction, thus smaller
The fluctuation of draught pressure in Up and down speeding, effectively raises the stability of draught pressure, reduce strip thickness deviation with
The fluctuation of plate shape value.
Detailed description of the invention
It in order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, below will be to institute in embodiment
Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the invention
Example, for those of ordinary skill in the art, without creative efforts, can also obtain according to these attached drawings
Obtain other attached drawings.
Fig. 1 is the principle assumption diagram that secondary cold-rolling emulsifies the direct mixed lubrication system of liquid pipeline in the embodiment of the present invention；
Fig. 2 is the connection structure diagram of the first hose and the first static mixer in the embodiment of the present invention；
Fig. 3 is the connection structure diagram of the second hose and the second static mixer in the embodiment of the present invention；
Fig. 4 is oil circuit subsystem partitions structural schematic diagram in the embodiment of the present invention；
Fig. 5 is the rolling technological parameter comparison diagram of the embodiment of the present invention；
Fig. 6 is the strip thickness deviation comparison diagram of the embodiment of the present invention；
Fig. 7 is the belt plate shape value comparison diagram of the embodiment of the present invention；
Fig. 8 is that the belt plate shape quality versus of the embodiment of the present invention schemes.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
The object of the present invention is to provide a kind of secondary cold-rollings to emulsify the direct mixed lubrication system of liquid pipeline, can be improved lifting
The stability of draught pressure, reduction required power and oil consumption during speed.
In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, with reference to the accompanying drawing and specific real
Applying mode, the present invention is described in further detail.
As shown in Figure 1, in one embodiment, secondary cold-rolling provided by the invention emulsifies the direct mixed lubrication system of liquid pipeline
System includes: road supply subsystem, water route supply subsystem, the first static mixer 101, the second static mixer 102, upper spray
Frame 2 and lower spraying rack 3；
Oil circuit supplies subsystem, for the oil liquid in fuel tank 11 to be delivered to the first static mixer 101 and second respectively
Static mixer 102；
Water route supply subsystem, for by the deionized water in water tank 12 be delivered to respectively 101 device of the first static mixing and
Second static mixer 102；
First static mixer 101, for oil liquid and deionized water to be mixed, the water inlet of the first static mixer 101
It is connect with the first water outlet of water route supply subsystem, oil inlet and oil circuit the supply subsystem of the first static mixer 101
The connection of first oil outlet；
Second static mixer 102, for oil liquid and deionized water to be mixed, the water inlet of the second static mixer 102
It is connect with the second water outlet of water route supply subsystem, oil inlet and oil circuit the supply subsystem of the second static mixer 102
The connection of second oil outlet；
The inlet of upper spraying rack 2 is connect with the liquid outlet of the first static mixer 101；Wherein, the first static mixer
The liquid of 101 liquid outlet output is deionized water and the mixed liquid of oil liquid；
The inlet of lower spraying rack 3 is connect with the liquid outlet of the second static mixer 102；Wherein, the second static mixer
The liquid of 102 liquid outlet output is deionized water and the mixed liquid of oil liquid.
As an embodiment of the present invention, on the basis of the above embodiments, secondary cold-rolling emulsification liquid pipeline is directly mixed
Close lubricating system further include: the first hose, the first water outlet of the water inlet of the first static mixer 101 and water route supply subsystem
It mouthful being connected by the first hose, the first hose be the pipeline for connecting the first static mixer 101 and supplying subsystem with water route, first
First water outlet of one end of hose and water route supply subsystem is connect, the other end of the first hose and the first static mixer
Water inlet connection.As shown in Fig. 2, component 21 is water inlet；Component 22 is flange；Component 23 is inside and outside silk loose joint；Component 24 is
Inside and outside silk Loose joint bend；Component 25 is hose；Component 26 is to silk；Component 27 is check valve；Component 28 is outer silk elbow；Component
29 be outer silk loose joint；Component 30 is inside and outside silk Loose joint bend；Component 31 is reducer tee；Component 32 is emulsion block nozzle；Component
33 be to silk loose joint；Component 34 is check valve；Component 35 is inside and outside silk loose joint；Component 36 is oil inlet；Component 37 is upper static state
Mixer；Component 38 is inside and outside silk loose joint；Component 39 is emulsion outlet.
As an embodiment of the present invention, on the basis of the above embodiments, secondary cold-rolling emulsification liquid pipeline is directly mixed
Close lubricating system further include: the second hose, the second water outlet of the water inlet of the second static mixer 102 and water route supply subsystem
It mouthful being connected by the second hose, the second hose be the pipeline for connecting the second static mixer 102 and supplying subsystem with water route, second
Second water outlet of one end of hose and water route supply subsystem is connect, the other end of the second hose and the second static mixer
Water inlet connection.As shown in figure 3,40 be emulsion outlet (removing spraying rack down)；Component 41 is flange；Component 42 is static mixed
Clutch；43 be inside and outside silk loose joint；Component 44 is reducer tee；Component 45 is atomizing fuel spray nozzle；46 be to silk loose joint；Component 47 is
Check valve；48 be inside and outside silk loose joint；49 be that oil inlet connects；50 be to silk；5 components 1 are check valves；52 be to silk；Component 53 is
Hose；Component 54 is flange；55 be water inlet.
As an embodiment of the present invention, on the basis of the above embodiments, as shown in Figure 1, water route supplies subsystem
Including water tank 12, water pump 15, flowmeter 16, pressure gauge 18, the first triple valve 402, the first check valve 1901 and second one-way valve
1902, the water inlet of water pump 15 is connect with water tank 12, in the water outlet of connection water pump 15 and the first port of the first triple valve 402
Pipeline on flowmeter 16 and pressure gauge 18 be installed, the second port of the first triple valve 402 by the first check valve 1901 with
One end connection (realizing the connection of water route supply subsystem the first water outlet and the first hose) of first hose, the first triple valve
402 second port, which also passes through second one-way valve 1902 and connect with one end of the second hose, (realizes water route supply subsystem the
The connection of two water outlets and the second hose).It includes fuel tank 11, oil pump 7, filter 6, flowmeter 5, pressure that oil circuit, which supplies subsystem,
Table 17, the second triple valve 401, third check valve 1903, the 4th check valve 1904, the first atomizing fuel spray nozzle 2001 and the second atomization
The oil inlet of atomizer 2002, oil pump 7 is connect with fuel tank 11, and the oil outlet of oil pump 7 is connect with the oil inlet of filter 6, even
It connects and flowmeter 5 and pressure gauge 17 is installed on the oil outlet of filter 6 and the pipeline of the first port of the second triple valve 401, the
The second port of two triple valves 401 passes through third check valve 1903, the first atomizing fuel spray nozzle 2001 and the first static mixer 101
Oil inlet connection, the second port of the second triple valve 401 also pass through the 4th check valve 1904, the second atomizing fuel spray nozzle 2002 with
The oil inlet of second static mixer 102 connects.
Wherein, the third port of the first triple valve 402 is connected to water tank 12.The third port and oil of second triple valve 401
Case 11 is connected to.
As an embodiment of the present invention, on the basis of the above embodiments, supply subsystem in water route further includes first
Heater 13, for being heated to the deionized water in water tank 12.
As an embodiment of the present invention, on the basis of the above embodiments, oil circuit supply subsystem further includes second
Heater 10, for being heated to the oil liquid in fuel tank 11.
As an embodiment of the present invention, on the basis of the above embodiments, supply subsystem in water route further includes into water
Valve 14 and high water tank meter 902, inlet valve 14 are installed on the water supply pipe of water tank 12, and high water tank meter 902 is for detecting water
The liquid level of deionized water in case 12.It further includes inlet valve 8 and tank gauge 901 that oil circuit, which supplies subsystem, and inlet valve 8 is installed on
On the oil feed line of fuel tank 11, tank gauge 901 is used to detect the liquid level of oil liquid in fuel tank 11.
As an embodiment of the present invention, on the basis of the above embodiments, the connection of oil circuit subsystem partitions structure
Relationship is as shown in figure 4, component 56 is oil inlet hose；Component 57 is filter；Component 58 is gear pump；Component 59 is threeway；Portion
Part 60 is to pompon valve；Component 61 is oil return hose；62 be inside and outside silk loose joint；Component 63 is flowmeter；64 be inside and outside silk loose joint；
Component 65 is threeway；Component 66 is needle-valve；Component 67 is pressure gauge；68 be inside and outside silk loose joint；Component 69 is ball valve；Component 70 is
Threeway；Component 71 is fuel-displaced hose；Component 72 is power control cabinet；Component 73 is variable-frequency motor.
The type selecting of each critical component of the secondary cold-rolling emulsification direct mixed lubrication system of liquid pipeline provided by the invention is as follows:
1) type selecting of static mixer, by the comparative experiments of mixing effect, the corresponding emulsion of SX static mixer
Partial size is minimum, ESI value is maximum, so selection SX static mixer；
2) type selecting of water pump is 5~20L/ according to spraying rack emulsion maximal regulated range above and below secondary cold-rolling unit
Min, according to the technical requirements of water route 10~40L/min of flowmeter, 3~10bar of pressure, water pump selects the stainless of C4/481 model
Steel gear metering pump imports and exports size G1, configures the ABB variable-frequency motor of QABP132S6A3.0kW-6P-B3 model, maximum speed
980rpm, the single-turn discharge capacity of gear wheel metering pump are 48.1cc/rev, and maximum (top) speed metered flow is 47.0L/min；
3) type selecting of oil pump, according to spraying rack emulsion maximal regulated 5~20L/min of range above and below secondary cold-rolling unit,
According to the technical requirements of 0.5~3.0L/min of oil circuit flow, 5~32kg of pressure, the stainless steel gear meter of C2/475 model is selected
Amount pump, imports and exports size G1/2, configures the ABB variable-frequency motor of QABP90S6A 0.75kW-6P-B3 model, maximum speed
980rpm, the single-turn discharge capacity of gear wheel metering pump are 4.75cc/rev, and maximum (top) speed metered flow is 4.6L/min；
4) water route flowmeter type selecting, according to the de-ionized water flow rate range of 10.0~40.0L/min of water route, liquid is selected in water route
Body turbine flowmeter, model ECLWGY10CLC2SSN, DN10 bore scene show that 24VDC powers, band two-wire system 4-20mA
Output, G1/2 are threadedly coupled；
5) type selecting of oil circuit flowmeter, according to the ROLLING OIL range of flow of 0.5~3.0L/min of oil circuit, oil circuit is selected oval
Gear meter, model ESFD2091, DN8 bore, external display instrument, 24VDC power supply, pulse output, G1/4 screw thread connect
It connects；
6) type selecting of oil circuit pressure table, according to oil circuit pressure range in the direct mixed lubrication system of emulsion be 5~
Therefore 32bar selects oil circuit pressure table range for 0~4.0MPa；
7) type selecting of water route pressure gauge, according to water route pressure limit in the direct mixed lubrication system of emulsion be 3~
Therefore 10bar selects water route pressure gage measuring range for 0~1.0MPa；
8) circuit design type selecting
According to chemical pipeline design criteria, caliber should be according to the pressure loss of the flow of fluid, property, flow velocity and pipeline
Deng determination, pipe diameter is generally selected using predetermined flow rate method, pipeline PIPE DIAMETER CALCULATION formula can be represented by the following formula.
In formula, D-tubing internal diameter (mm)；
Qfluid- manage interior medium volume flow (L/min)；
vfluidThe mean flow rate (m/s) of medium in-pipe.
It is designed according to 1m/s, oil circuit flow velocity according to 0.5m/s according to water route flow velocity, in conjunction with the direct mixed stocker of emulsion
10.0~40.0L/min of the total road range of flow in water route in road under the overall leadership, minimum pipe 14.57mm, maximum caliber 29.13mm are selected
The total road caliber model DN25 in water route；Water route bypass flow range is 5.0~20.0L/min, minimum pipe 10.30mm, maximum
Caliber 20.60mm selectes water route branch caliber model DN20；Oil circuit 0.5~3.0L/min of total road range of flow, minimum pipe
4.61mm, maximum caliber 11.28mm select the total road caliber model DN10 of oil circuit；Oil circuit bypass flow range be 0.25~
1.5L/min, minimum pipe 3.26mm, maximum caliber 7.98mm select oil circuit branch caliber model DN8；
9) power control cabinet design selection
The demand of flow quantity and concentration on-line control is emulsified according to the secondary cold-rolling unit operation of rolling, oil pump and water pump use
Variable-frequency motor, the variable-frequency motor of configuration 380V power drives water pump and oil pump in power control cabinet, 24V direct-current switch power supply be water route with
The flowmeter of oil circuit is powered, and frequency converter is used to control the revolving speed of water pump Yu oil pump variable-frequency motor, on-line control deionization and rolling
The flow of oil realizes the On-line Control of operation of rolling emulsification flow quantity and concentration.Capital equipment is configured that 1 model 600*
The power distribution cabinet of 500*250, the master switch of 1 IC65 3P 25A, the switch-dividing of 2 IC65 3P 16A, 1 EASYPACT
2510 A.C. contactor, the A.C. contactor of an EASYPACT 1810, the frequency converter of 2 ACS510-01-04A1-4,2
A ABB Frequency Converter Control panel, 1 cooling blower, 1 scram button, 2 knobs, 3 indicator lights and 1
The Switching Power Supply of ABL2REM24045H.
By secondary cold-rolling provided by the invention emulsification liquid pipeline direct the application of mixed lubrication system certain 1,220 2 times at home
On cold mill complex, counted by 6 months Field Production Datas, average ton steel oil consumption reduces 9.6%, ton steel rolling energy consumption with
Oil consumption overall cost reduces by 10.7%, and the overproof length of strip dropping section plate thickness reduces 19.3%, strip shape quality defect incidence
25.6% is reduced, creates biggish economic benefit for unit.Profit is directly mixed in order to further analyze emulsification liquid pipeline
Traditional direct-injection profit is respectively adopted in the TH580 steel grade of secondary cold-rolling unit scene selection ideal format in the using effect of sliding system
Sliding system and the direct mixed lubrication system of emulsification liquid pipeline carry out scene rolling and test.Rolling technological parameter are as follows: steel grade TH580 band
Steel width 847mm, inlet thickness 0.201mm, exit thickness 0.150mm, entrance yield strength 320MPa export yield strength
580MPa, rear tensile stress 118MPa, forward pull 168MPa.
Comparative analysis secondary cold-rolling unit tradition direct-injection lubricating system and secondary cold-rolling provided by the invention emulsify liquid pipeline
The directly corresponding draught pressure of mixed lubrication system, required power, rolling oil consumption, required power and oil consumption totle drilling cost；By leading
Strip plate thickness and plate shape measurement data out, comparative analysis secondary cold-rolling unit tradition direct-injection lubricating system and emulsification liquid pipeline are direct
The corresponding plate thickness fluctuation of mixed lubrication system fluctuates situation with strip shape quality.
1) energy consumption and fuel consumption parameters comparison
TH580 steel grade is directly mixed using traditional direct-injection lubricating system with secondary cold-rolling provided by the invention emulsification liquid pipeline
Emulsion flow setting value, concentration of emulsion used setting value corresponding to lubricating system, draught pressure, required power, rolling oil consumption,
The comparison of the rolling technological parameters such as required power and oil consumption totle drilling cost is as shown in figure 5, Fig. 5 (a) is emulsion current capacity contrast figure, Fig. 5
It (b) is concentration of emulsion used comparison diagram, Fig. 5 (c) is draught pressure comparison diagram, and Fig. 5 (d) is required power comparison diagram, and Fig. 5 (e) is
Oil consumption comparison diagram is rolled, Fig. 5 (f) is required power and oil consumption totle drilling cost comparison diagram.
As seen in Figure 5, relative to traditional direct-injection lubricating system, secondary cold-rolling provided by the invention emulsifies liquid pipe
The direct mixed lubrication system in road, draught pressure fluctuation is reduced to 50kN by 1780kN under different mill speeds, draught pressure
Stability significantly improves；Total required power is greatly reduced with oil consumption.
2) steel strip thickness, strip shape quality comparison
During the rolling test of secondary cold-rolling unit scene, steel strip thickness and plate shape respectively by the thickness gauge of rack outlet with
Plate profile instrument measurement exports the thickness of scene rolling test and board form data, and comparison plate thickness and plate shape fluctuate situation, traditional direct-injection
Lubricating system strip thickness deviation pair corresponding with the secondary cold-rolling provided by the invention emulsification direct mixed lubrication system of liquid pipeline
Than (wherein, Fig. 6 (a) is the strip thickness deviation figure of traditional direct-injection system, and Fig. 6 (b) is provided by the invention two as shown in Figure 6
The strip thickness deviation figure of the secondary direct mixed lubrication system of cold rolling emulsified liquid pipeline), belt plate shape value compares (its as shown in Figure 7
In, Fig. 7 (a) shows belt plate shape value made of traditional direct-injection system, and Fig. 7 (b) shows secondary cold-rolling provided by the invention
Emulsify belt plate shape value made of the direct mixed lubrication system of liquid pipeline), belt plate shape quality (wherein, Fig. 8 (a) as shown in Figure 8
Show the quality of belt plate shape made of traditional direct-injection system, Fig. 8 (b) shows secondary cold-rolling emulsion provided by the invention
The quality of belt plate shape made of the direct mixed lubrication system of pipeline).
It can be seen that from Fig. 6 to Fig. 8 and do not become with mill speed due to traditional direct-injection lubricating system emulsification flow quantity with concentration
Change, draught pressure fluctuation is larger in Up and down speeding, and strip thickness deviation and the fluctuation of plate shape value are greater than the stabilized speed stage.This hair
After the direct mixed lubrication system application of secondary cold-rolling emulsification liquid pipeline of bright offer, since concentration of emulsion used can in process of production
To follow the variation of the speed of rolling, reduce the fluctuation of coefficient of friction, thus in Up and down speeding draught pressure fluctuate subtract
Small, so that strip thickness deviation and the fluctuation of plate shape value reduce, steel strip thickness stability is improved, and plate shape value reduces.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with other
The difference of embodiment, the same or similar parts in each embodiment may refer to each other.
Used herein a specific example illustrates the principle and implementation of the invention, and above embodiments are said
It is bright to be merely used to help understand method and its core concept of the invention；At the same time, for those skilled in the art, foundation
Thought of the invention, there will be changes in the specific implementation manner and application range.In conclusion the content of the present specification is not
It is interpreted as limitation of the present invention.
Claims (10)
1. a kind of secondary cold-rolling emulsifies the direct mixed lubrication system of liquid pipeline characterized by comprising
Oil circuit supplies subsystem, for the oil liquid in fuel tank to be delivered to the first static mixer and the second static mixing respectively
Device；
Water route supplies subsystem, for the deionized water in water tank to be delivered to the first static mixer and second static mixed respectively
Clutch；
First static mixer, for the oil liquid and the deionized water to be mixed, the water inlet of first static mixer
Mouth is connect with the first water outlet of water route supply subsystem, and the oil inlet and the oil circuit of first static mixer supply
To the first oil outlet connection of subsystem；
Second static mixer, for the oil liquid and the deionized water to be mixed, the water inlet of second static mixer
Mouth is connect with the second water outlet of water route supply subsystem, and the oil inlet and the oil circuit of second static mixer supply
To the second oil outlet connection of subsystem；
Upper spraying rack, the inlet of the upper spraying rack are connect with the liquid outlet of first static mixer；With
Lower spraying rack, the inlet of the lower spraying rack are connect with the liquid outlet of second static mixer.
2. secondary cold-rolling according to claim 1 emulsifies the direct mixed lubrication system of liquid pipeline, which is characterized in that described two
The secondary direct mixed lubrication system of cold rolling emulsified liquid pipeline further include: the first hose, one end and the water route of first hose
Supply the first water outlet connection of subsystem, the water inlet company of the other end of first hose and first static mixer
It connects.
3. secondary cold-rolling according to claim 2 emulsifies the direct mixed lubrication system of liquid pipeline, which is characterized in that described two
The secondary direct mixed lubrication system of cold rolling emulsified liquid pipeline further include: the second hose, one end and the water route of second hose
Supply the second water outlet connection of subsystem, the water inlet company of the other end of second hose and second static mixer
It connects.
4. secondary cold-rolling according to claim 3 emulsifies the direct mixed lubrication system of liquid pipeline, which is characterized in that the water
It includes water tank, water pump, flowmeter, pressure gauge, the first triple valve, the first check valve and second one-way valve, institute that road, which supplies subsystem,
The water inlet for stating water pump is connect with the water tank, in the first port for the water outlet and first triple valve for connecting the water pump
Pipeline on flowmeter and pressure gauge be installed, the second port of first triple valve by first check valve with it is described
One end of first hose connects, and the second port of first triple valve also passes through the second one-way valve and second hose
One end connection.
5. secondary cold-rolling according to claim 1 emulsifies the direct mixed lubrication system of liquid pipeline, which is characterized in that the oil
Road supply subsystem includes fuel tank, oil pump, filter, flowmeter, pressure gauge, the second triple valve, third check valve, the 4th unidirectional
Valve, the first atomizing fuel spray nozzle and the second atomizing fuel spray nozzle, the oil inlet of the oil pump are connect with the fuel tank, and the oil pump goes out
Hydraulic fluid port is connect with the oil inlet of the filter, in the first end for the oil outlet and second triple valve for connecting the filter
Flowmeter and pressure gauge are installed on the pipeline of mouth, the second port of second triple valve passes through the third check valve, institute
It states the first atomizing fuel spray nozzle to connect with the oil inlet of first static mixer, the second port of second triple valve is also logical
Cross the 4th check valve, second atomizing fuel spray nozzle is connect with the oil inlet of second static mixer.
6. secondary cold-rolling according to claim 4 emulsifies the direct mixed lubrication system of liquid pipeline, which is characterized in that described the
The third port of one triple valve is connected to the water tank.
7. secondary cold-rolling according to claim 5 emulsifies the direct mixed lubrication system of liquid pipeline, which is characterized in that described the
The third port of two triple valves is connected to the fuel tank.
8. secondary cold-rolling according to claim 1 emulsifies the direct mixed lubrication system of liquid pipeline, which is characterized in that the water
It further includes primary heater that road, which supplies subsystem, for heating to the deionized water in the water tank.
9. secondary cold-rolling according to claim 1 emulsifies the direct mixed lubrication system of liquid pipeline, which is characterized in that the oil
It further includes secondary heater that road, which supplies subsystem, for heating to the oil liquid in the fuel tank.
10. secondary cold-rolling according to claim 1 emulsifies the direct mixed lubrication system of liquid pipeline, which is characterized in that
The water route supply subsystem further includes inlet valve and high water tank meter, and the inlet valve is installed on the water supply of the water tank
On pipeline, the high water tank meter is used to detect the liquid level of deionized water in water tank；
The oil circuit supply subsystem further includes inlet valve and tank gauge, and the inlet valve is installed on the fuel feeding of the fuel tank
On pipeline, the tank gauge is used to detect the liquid level of oil liquid in fuel tank.
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| CN201910547900.0A CN110202012A (en) | 2019-06-24 | 2019-06-24 | A kind of secondary cold-rolling emulsification direct mixed lubrication system of liquid pipeline |
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| CN201910547900.0A CN110202012A (en) | 2019-06-24 | 2019-06-24 | A kind of secondary cold-rolling emulsification direct mixed lubrication system of liquid pipeline |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111822519A (en) * | 2020-08-26 | 2020-10-27 | 武汉钢铁有限公司 | Cold continuous rolling mill roller cooling control system |
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