CN106123617A - Line universal machine intelligent energy-saving control system and method are produced in hot rolling - Google Patents
Line universal machine intelligent energy-saving control system and method are produced in hot rolling Download PDFInfo
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- CN106123617A CN106123617A CN201610453056.1A CN201610453056A CN106123617A CN 106123617 A CN106123617 A CN 106123617A CN 201610453056 A CN201610453056 A CN 201610453056A CN 106123617 A CN106123617 A CN 106123617A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D19/00—Arrangements of controlling devices
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J15/00—Arrangements of devices for treating smoke or fumes
- F23J15/02—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material
- F23J15/022—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material for removing solid particulate material from the gasflow
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D21/00—Arrangements of monitoring devices; Arrangements of safety devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D9/00—Cooling of furnaces or of charges therein
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D9/00—Cooling of furnaces or of charges therein
- F27D2009/007—Cooling of charges therein
- F27D2009/0081—Cooling of charges therein the cooling medium being a fluid (other than a gas in direct or indirect contact with the charge)
- F27D2009/0083—Cooling of charges therein the cooling medium being a fluid (other than a gas in direct or indirect contact with the charge) the fluid being water
- F27D2009/0086—Cooling of charges therein the cooling medium being a fluid (other than a gas in direct or indirect contact with the charge) the fluid being water applied in spray form
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D19/00—Arrangements of controlling devices
- F27D2019/0028—Regulation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D19/00—Arrangements of controlling devices
- F27D2019/0028—Regulation
- F27D2019/0056—Regulation involving cooling
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Feedback Control In General (AREA)
Abstract
The invention provides a kind of hot rolling and produce line universal machine intelligent energy-saving control system and method, including field terminal unit, intelligent power saving control unit and communication unit, described field terminal unit, is used for collecting the real time data information of hot rolling product line and receiving control instruction being controlled controlled device；Described intelligent power saving control unit, is used for receiving rolling line data, and analysis obtains control information, is controlled rolling line universal machine system, accomplishes on-demand for feedwater, wind, gas；Described communication unit, the hot rolling for being gathered by field terminal unit is produced the real time data of line and is sent intelligent power saving control unit to, and the control instruction that intelligent power saving control unit is sent sends field terminal unit to.The hot rolling that the present invention provides is produced accomplished to be situated between rolling line real time information and water, wind, the gas operation of feed system of line universal machine intelligent energy-saving control system and is combined closely, it is possible to realize water, can the be situated between whole energy of feed system of wind, gas lowers consumption simultaneously.
Description
Technical field
The product line that the present invention relates to metallurgy industry field is energy-conservation, produces line universal machine intelligent power saving particularly to a kind of hot rolling
Control system and method.
Background technology
Metallurgy industry is energy consumption rich and influential family, universal machine therein, such as blower fan, water pump, compressor, is the master of each product line power consumption
Wanting equipment, according to incompletely statistics, these three equipment accounts for more than the 37% of the total power consumption of enterprise, the most energy-conservation joint contributing to enterprise
Can reduce discharging and enhance the competitiveness.Hot rolling line produces steel plate, coil of strip and various section bar, by being squeezed into high temperature rolled piece
Type, and cool down obtain finished product.Add hot-rolling stock and need for air (oxygen) scavenge, the iron scale on high temperature rolled piece surface and
The flue dust produced in rolling is also required to remove, and also needs cooling to ensure that it produces continuously with rolled piece contact arrangement, is forming finished product
In time, also need by air-cooled or water-cooled cooling to transport and depositing, and meanwhile, also can produce a large amount of during equipment operation and acting
Heat, needs to take away in time to ensure that equipment runs well, and therefore produces and has many set offer wind, water, the universal machine of gas on line
System, including clean circulating water system, turbid circulating water system (containing de-scaling water system, laminar cooling water system, milling train cooling water system
System, roller-way cooling water system, turbid circulating water processing system), heating furnace send draught fan system, mair motor cooling blower system, milling train
Dedusting fan system, compressed air system etc., they are as the accessory production system of product line, all the time long-term operation, energy consumption continuously
The most considerable.Under normal circumstances, need to be designed by a maximum demand of production line when designing these systems, cause system to carry
Ability has more than needed.The change of production status, the change of environment, the change of equipment state so that produce line to water, wind, the economy of gas
Demand is often change, but the operation conditions with product line of running that practical situation is these universal machine systems disconnects often
, often maintaining certain situation to run, as kept main-piping pressure stable, run the most all the time after startup, all control valves are whole
Open etc., cause and waste the most unnecessary energy.And, water, wind, the control system of gas and steel rolling production-line automatic
Networked control systems also tends to be the most independent, lacks information mutual, causes supply and demand the most uneven, and energy resource consumption has waste.
Accompanying drawing 1 is the system diagram of existing rolling mill main motor cooling blower.In order to take away generation during rolling mill main motor 1 runs
Heat, is provided with multiple stage mair motor cooling blower 2 on its top, and these mair motor cooling blowers 2 are provided power supply by power distribution cabinet 3,
And under the control of control unit 4 long-term constant-speed operation.Generally before rolling mill main motor 1 starts, mair motor cooling blower 2 just opens
Dynamic operation, until rolling mill main motor 1 just stops after stopping the some time.Mair motor cooling blower 2 often only has on off control.Real
On border rolling mill main motor 1 general only when steel rolling load very big, other time load low, caloric value is also few, needs the heat taken away
Amount is corresponding also few, can run up the most all the time by mair motor cooling blower 2, and energy consumption is basically unchanged.If by mair motor cooling blower 2
Running speed mate with load condition, the environmental aspect of rolling mill main motor 1, then can save a large amount of electric energy.
Accompanying drawing 2 is existing rolling line laminar cooling water process chart.Laminar cooling water system is section cooling after finishing mill
The rolled piece cooling of aqua region.Laminar cooling water from water cooling pond 5, section cooling feed pump 6 send high position water in workshop after pressurizeing
Case 7, then flow to section cooling shower nozzle 8 through elevated tank 7 and spray.Cool down the laminar cooling water after rolled piece again via iron sheet ditch 9
Returning in hot-tub 11, the water in hot-tub 11 is delivered to filter 12 and cooling tower 13 by heat-exchanger pump 10 again, returns to water cooling pond 5
In, complete whole water cycle process.Under normal circumstances, just need laminar cooling water when section cooling region has rolled piece to pass through,
Then need not cool down water when not having rolled piece to pass through, and, different rolled pieces and the production technology needs the most not phase to cooling water
With.When need not laminar cooling water, section cooling feed pump 6 is in addition to supplementary elevated tank 7 water, and remaining water is by high-order water
Overflow pipe in case 7 flows out, and is also flow back into hot-tub 11 by iron sheet ditch 9, and this results in section cooling feed pump 6 during this period of time and consumes
The energy majority of expense is wasted.If the operation of section cooling feed pump 6 is mated with laminar cooling water demand, then may be used
Save a large amount of electric energy.
In sum, the energy resource consumption of line universal machine system is produced in order to reduce hot rolling further, it is necessary to by rolling line pair
Water, wind, the economic needs of gas are combined closely with the operation of the universal machine system supplying these media, and this relates to rolling line
The intelligent energy-saving control system of universal machine and method.
It practice, gather production technology information, rolled piece information, rolled piece positional information, temperature information, pressure by disposable
Information, milling train load information, it is possible to realize water, wind, the Comprehensive Control of gas feed system, as according to rolled piece information on rolling line
The de-scaling water yield in the de-scaling water system that will need and the fortune of descaling pump converter is just anticipated that with the positional information of rolled piece
Line frequency, simultaneously need to can also reach rated speed, also by the dedusting fan in anticipation rolling mill dedusting system the most afterwards
May decide that when the compressed-air actuated regulation valve in the compressed air system that control is cold need to be opened or open much apertures, etc.
Deng, without arranging such as descaling pump energy-saving control system, rolling mill dedusting fan energy-saving control system, compressed air Energy Saving Control system
System etc. overlaps control system more, but every cover system all needs the information that repeated acquisition is same.It is based on such disposable collection, combines
Closing application, it is achieved energy-conservation thinking, the present invention proposes a kind of hot rolling and produces line universal machine intelligent energy-saving control system and method.
Summary of the invention
In order to overcome deficiency of the prior art, the invention provides a kind of hot rolling and produce the control of line universal machine intelligent power saving
System and method, is used for solving hot rolling line, and the change of production status, the change of environment, the change of equipment state are drawn
The rolling line risen, to water, wind, the change of Production requirement of gas, fails to get up with water, wind, the gas feed system close association that can be situated between and lead
The water that causes, wind, gas can be situated between the high problem of feed system energy consumption, solve that by setting up many sets individually for certain the most simultaneously
The energy-saving control system of medium, but need the problem that the cost of investment caused by the same signal of repeated acquisition is higher.
In order to reach foregoing invention purpose, solve the technical scheme that its technical problem used as follows:
Line universal machine intelligent energy-saving control system is produced in a kind of hot rolling that the present invention provides, including field terminal unit, intelligence
Energy Energy Saving Control unit and communication unit, wherein:
Described field terminal unit, produces the real time data information of line for collecting hot rolling and receives control instruction to controlled right
As being controlled；
Described intelligent power saving control unit, is used for receiving rolling line data, and analysis obtains control information, to rolling line universal machine
Tool system is controlled, and accomplishes on-demand for feedwater, wind, gas；
Described communication unit, the hot rolling for being gathered by described field terminal unit is produced the real time data of line and is sent institute to
State intelligent power saving control unit, and the control instruction that described intelligent power saving control unit is sent sends described on-site supervision to
Unit.
Preferably, described field terminal unit collect hot rolling produce line real time data information include production technology information,
Rolled piece information, rolled piece real-time position information, real time temperature information, real time pressure information, milling train load information and universal machine system
System information.
Preferably, inside described intelligent control unit, comprise mathematical model, described mathematical model include pipe resistance model,
Heating furnace send draught fan system discharge quantity of fan and runs number of units and the relational model of rotating speed, each de-scaling point water consumption and expulsion pressure
Relational model, each mill load and the relational model of its caloric value, rolled piece temperature and laminar cooling water magnitude relation model, laminar flow
Cooling water system pushing quantity and operation number of units and the relational model of rotating speed.
Preferably, described universal machine system includes water pump system, blower fan system and compressor assembly, wherein:
Described water pump system includes rolling line net circulation cooling water system and turbid recirculating cooling water system；
Described blower fan system includes that heating furnace send draught fan system, mair motor cooling blower system and rolling mill dedusting blower fan system
System；
Described compressor assembly includes compressed air system.
Further, described turbid recirculating cooling water system includes that de-scaling water system, laminar cooling water system, milling train cool down water
System, roller-way cooling water system and turbid circulating water processing system.
Preferably, described control information includes speed or the frequency of arrangements for speed regulation, the aperture of regulation valve or position, universal machine
The unlatching quantity of tool.
Preferably, described intelligent power saving control unit includes Man Machine Interface, is used for realizing intelligence and automatically runs or enter
Row manual intervention.
Present invention also offers a kind of hot rolling and produce line universal machine intelligent power saving control method, comprise the following steps:
S1: according to the production technology information on rolling line, rolled piece information, rolled piece real-time position information, real time temperature information, reality
Time pressure information, milling train load information, universal machine system information, determine that rolling line is to water, wind, gas by mathematics model analysis
Production requirement；
S2: provide the speed governing information of corresponding feed system universal machine and the feedforward letter of control valve opening or position
Breath；
S3: combine universal machine system real-time feedback information and be adjusted controlling, make rolling line net circulation cooling water system, turbid
Recirculating cooling water system, heating furnace send draught fan system, mair motor cooling blower system, rolling mill dedusting blower fan system, compression sky
Gas system continues energy-saving run under ensureing technological requirement.
Further, feedback information described in step S3 includes pressure, temperature and liquid level.
Further, turbid recirculating cooling water system described in step S3 includes de-scaling water system, laminar cooling water system, rolls
Machine cooling water system, roller-way cooling water system and turbid circulating water processing system.
Due to the fact that the above technical scheme of employing, be allowed to compared with prior art, have the following advantages that and actively imitate
Really:
1) present invention provide hot rolling produce line universal machine intelligent energy-saving control system accomplished by rolling line real time information with
Can the be situated between operation of feed system of water, wind, gas is combined closely, it is possible to realize water, wind, gas can be situated between the entirety of feed system simultaneously
Energy-saving and cost-reducing；
2) the hot rolling product line universal machine intelligent energy-saving control system that the present invention provides is produced by disposable collecting rolling line
Information, through comprehensive analysis, the intelligent power saving control instruction of the feed system that can be situated between to water outlet, wind, gas, it is to avoid many by setting up
Cover system, the expense that the same signal of repeated collection is caused increases；
3) the hot rolling product line universal machine intelligent energy-saving control system that the present invention provides realizes rolling line and can be situated between water, wind, gas
Being uniformly controlled of feed system, contributes to optimizing system further and realizes more economical operation；
4) the hot rolling product line universal machine intelligent power saving control method that the present invention provides contributes to promoting the use of similar product
Intelligent power saving control is realized on line.
Accompanying drawing explanation
In order to be illustrated more clearly that the technical scheme of the embodiment of the present invention, required use in embodiment being described below
Accompanying drawing be briefly described.It is clear that the accompanying drawing in describing below is only some embodiments of the present invention, for ability
From the point of view of field technique personnel, on the premise of not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.Attached
In figure:
Fig. 1 is the system diagram of existing rolling mill main motor cooling blower；
[sign flag in Fig. 1] 1-rolling mill main motor；2-mair motor cooling blower；3-power distribution cabinet；4-control unit；
Fig. 2 is existing rolling line laminar cooling water process chart；
[sign flag in Fig. 2] 5-water cooling pond；6-section cooling feed pump；7-elevated tank；8-section cooling shower nozzle；9-
Iron sheet ditch；10-heat-exchanger pump；11-hot-tub；12-filter；13-cooling tower；
Line universal machine intelligent energy-saving control system structure design diagram is produced in the hot rolling that Fig. 3 provides for the present invention.
[sign flag in Fig. 3] 14-sensing element；15-rolling line automated system；16-descaling injection valve；17-rolled piece；
18-rolling line；19-pressure fan；20-heating furnace；21-De-scaling box；22-air-introduced machine；23-field terminal unit；24-roughing mill；25-
Mair motor；26-mair motor cooling blower；27-dedusting fan；8-cleaner unit；29-chimney；30-flue dust collecting cover；31-high position water
Case；32-section cooling shower nozzle；33-controls cold shower nozzle；34-coiling machine；35-iron sheet ditch；36-air compressor；37-heat-exchanger pump；
38-filter；39-cooling tower；40-hot-tub；41-finishing mill；42-water cooling pond；43-Man Machine Interface；44-intelligent power saving
Control unit；45-regulates valve；6-section cooling water pump；47-milling train cooling water pump；48-low pressure turbid ring feed pump；49-de-scaling
Pump；50-communication unit；
Fig. 4 produces the schematic flow sheet of line universal machine intelligent power saving control method for the hot rolling that the present invention provides.
Detailed description of the invention
Accompanying drawing below in conjunction with the embodiment of the present invention is more fully described technical scheme.But, the present invention can
Realize in many different forms, and should not be construed as the embodiment by herein proposing and limited.On the contrary, these embodiments are proposed
It is to reach fully and complete disclosure, and makes those skilled in the art understand the scope of the present invention completely.These
In accompanying drawing, for clarity sake, may be exaggerated size and the relative size of hierarchical regions.
Main idea is that: by concentrate the production technology information of Real-time Collection hot rolling line, rolled piece information,
Rolled piece real-time position information, real time temperature information, real time pressure information, milling train load information, universal machine system information, according to
Mathematics model analysis, determines that rolling line, to water, wind, the Production requirement of gas, provides the speed governing letter of corresponding supply universal machine system
Breath and the feedforward information such as control valve opening or position, and combine universal machine system real-time feedback information and provide regulation control
Instruction, thus realize rolling line information make full use of and realize on the premise of meeting rolling line process requirements water, wind, gas can be situated between confession
To the energy-saving and cost-reducing of system and Centralized Monitoring.
Embodiment one
With reference to shown in Fig. 3, this hot rolling is produced line universal machine intelligent energy-saving control system and is included: field terminal unit 23, intelligence
Can Energy Saving Control unit 44 and communication unit 50.
Described field terminal unit 23, for obtaining data message from rolling line 18 in real time, described data message include but
It is not limited to production technology information (such as rolled piece tapping temperature, burner import blast, air-fuel ratio, furnace pressure scope, rolled piece rolling road
Secondary and de-scaling passage, each de-scaling point shower nozzle parameter, rolling mill characteristic parameter, rolling rhythm, roller table speed, each section of roller-way Length x Width
Deng), rolled piece information (such as length size, weight, steel grade etc.), rolled piece real-time position information, real time temperature information is (such as rolled piece
Temperature, ambient temperature, mair motor internal temperature, cooling water return water temperature etc.), real time pressure information, milling train real time load
Information (comprising roughing mill 24 and finishing mill 41), ventilating machinary system information are (such as device parameter, pressure, flow, temperature, operation
Number of units, running speed, wind (valve) door aperture, running current etc.) etc..The acquisition pattern of above-mentioned data message, except passing through sensing
Outside part 14 detection obtains, gather also by rolling line automated system 15, manually through Man Machine Interface 43 typing, computer mould
Type calculates and obtains.
Described field terminal unit 23, moreover it is possible to receive what intelligent power saving control unit 44 sent, and by communication unit 50
The control instruction sent, is controlled controlled device.In a kind of embodiment, intelligent power saving control unit 44 can directly send out control
Instruction is to field terminal unit 23.
Described intelligent power saving control unit 44, is used for receiving rolling line 18 real time data, and analysis obtains control information, to rolling
Line 18 universal machine system of being correlated with is controlled, and accomplishes on-demand for feedwater, wind, gas.Described intelligent control unit 44 is internal to be comprised
Mathematical model, these models include but not limited to that various pipe resistance model, heating furnace send draught fan system discharge quantity of fan and fortune
Row number of units and the relational model of rotating speed, each de-scaling point water consumption are generated heat with it with the relational model of expulsion pressure, each mill load
The relational model of amount, rolled piece temperature and laminar cooling water magnitude relation model, laminar cooling water system pushing quantity and run number of units and
The relational model etc. of rotating speed.
Described intelligent power saving control unit 44 farther includes: can be shown that rolling line 18 is to water, wind, gas by above-mentioned model analysis
The Production requirement that can be situated between, and provide speed governing information and the feedforward control such as control valve opening or position of corresponding supply universal machine system
Information processed, and regulating control command can be provided in conjunction with universal machine system real-time feedback information.
The universal machine system that described intelligent power saving control unit 44 can control includes but not limited to: water pump system, wind
Machine system and compressor assembly, wherein:
Described water pump system includes rolling line net circulation cooling water system and turbid recirculating cooling water system, described turbid circulating cooling
Water system farther includes de-scaling water system, laminar cooling water system, milling train cooling water system, roller-way cooling water system, turbid ring
Water treatment system；
Described blower fan system includes that heating furnace send draught fan system, mair motor cooling blower system and rolling mill dedusting blower fan system
System；
Described compressor assembly includes compressed air system.
Control information in described intelligent power saving control unit 44 includes speed or the frequency of arrangements for speed regulation, opening of regulation valve
Degree or position, the unlatching quantity etc. of universal machine.Described intelligent power saving control unit 44 is combined with described universal machine system
Real-time feedback information, include but not limited to pressure, temperature, liquid level.
Described intelligent power saving control unit 44 still further comprises Man Machine Interface 43, intelligence fortune automatically can be realized
OK, it is possible to carry out manual intervention, the status information of each system, tendency information can be shown, also there is event recording function.
Described communication unit 50, is used for field terminal unit 23, or through communicating with rolling line automated system 15, is gathered
Hot rolling produce line real time data send intelligent power saving control unit 44, and the control that intelligent power saving control unit 44 is sent to
Instruction processed sends field terminal unit 23 to.Described communication unit 50 includes the combination of software and hardware, can use wired, as
Fiber optic Ethernet, common Ethernet, fieldbus, rigid line etc., and wireless connections form communicates.
Multiple stage communication unit 50 and multiple stage can be had in line universal machine intelligent energy-saving control system is produced in a set of hot rolling existing
Field monitoring unit 23.
In conjunction with the present embodiment, the running that line universal machine intelligent energy-saving control system is produced in this hot rolling is as follows:
1, intelligent power saving control unit 44 is after collecting the information such as the air-supply blast needed for heating furnace 20, hinders according to pipeline
Power model obtains the air quantity that pressure fan 19 should export, then by the air quantity of pressure fan 19 and operation number of units and the relation mould of rotating speed
Type, draws the control information of pressure fan 19, in conjunction with the pressure feedback in pressure fan 19 system, through field terminal unit 23 to air-supply
Machine 19 system sends speed governing and/or startup-shutdown instruction, thus realizes the on-demand supply of air-supply air quantity of heating furnace blower system, with
Shi Shixian energy saving of system；
2, intelligent power saving control unit 44 is after the information such as the furnace pressure collecting heating furnace 20, according to pipe resistance mould
Type obtains the air quantity that air-introduced machine 22 should export, then by the air quantity of air-introduced machine 22 and operation number of units and the relational model of rotating speed,
Go out the control information of air-introduced machine 22, in conjunction with the pressure feedback in air-introduced machine 22 system, through field terminal unit 23 to air-introduced machine 22
System sends speed governing and/or startup-shutdown instruction, thus the on-demand extraction of air quantity realizing heating furnace draught fan system, realize simultaneously be
Unite energy-conservation；
3, intelligent power saving control unit 44 is after collecting the information such as the real time position of rolled piece 17, roller table speed, steel grade, sentences
Break and rolled piece 17 and will arrive De-scaling box 21 in the several seconds, further according to the pressure signal of de-scaling water system, it is judged that need to promote immediately low
Press the water supply capacity of turbid ring feed pump 48 system, then by sending speed-regulating instruction or valve opening instruction to field terminal unit 23
Or open pump instruction, make low pressure turbid circulating water system furnish good supplies to requirement.Meanwhile, also by field terminal unit 23 to descaling pump 49
Go out rotating speed and promote instruction, send open command to descaling injection valve 16.Send to descaling injection valve 16 in time at the end of de-scaling
Out code, and send speed-regulating instruction or valve closing instruction or termination of pumping instruction to low pressure turbid ring feed pump 48 and descaling pump 49,
The supply making de-scaling water system meets production requirement, realizes energy saving of system simultaneously；
4, intelligent power saving control unit 44 is after collecting the information such as the real time position of rolled piece 17, roller table speed, steel grade, sentences
Break and rolled piece 17 and will arrive roughing mill 24 (or finishing mill 41) in the several seconds, and by the relation mould of mill load with its caloric value
Type, analyzes and show this rolling will produce how many heats, needs by mair motor cooling blower 26 takes away how many heats, thus logical
Cross field terminal unit 23 and send rotating speed lifting instruction to mair motor cooling blower 26, make the air quantity of mair motor cooling blower system
Meet the cooling requirement of mair motor 25, realize energy saving of system simultaneously；
5, intelligent power saving control unit 44 is after collecting the information such as the real time position of rolled piece 17, roller table speed, steel grade, sentences
Break and rolled piece 17 and will arrive roughing mill 24 (or finishing mill 41) in the several seconds, and by the relation mould of mill load with its caloric value
Type, analyzes and show this rolling will produce how many heats, need by milling train cooling water system takes away how many heats, thus pass through
Field terminal unit 23 sends speed-regulating instruction or valve opening instruction to milling train cooling water pump 47 or opens pump instruction, makes milling train cool down
Water system meets the cooling requirement of mair motor 25, realizes energy saving of system simultaneously；
6, intelligent power saving control unit 44 is after collecting the information such as the real time position of rolled piece 17, roller table speed, steel grade, sentences
Break and rolled piece 17 and will arrive finishing mill 41 in the several seconds, thus send speed governing by field terminal unit 23 to dedusting fan 27 and refer to
Order, makes the dedusting air quantity of rolling mill dedusting blower fan system meet manufacturing technique requirent, realizes energy saving of system, rolling mill dedusting blower fan simultaneously
The technological process of system is: dust laden air is collected by smoke collecting cover 30 and is sent in cleaner unit 28 remove most cigarette
Dirt, then it is sent to chimney 29 row to air via dedusting fan 27；
7, intelligent power saving control unit 44 collect the real time position of rolled piece 17, roller table speed, steel grade, real time temperature,
After the information such as the liquid level of elevated tank 31, it is judged that rolled piece 17 will arrive section cooling region in the several seconds, and by rolled piece temperature
With laminar cooling water magnitude relation model, analyze and draw the required section cooling water yield, and then by laminar cooling water system pushing quantity
Draw control information with the relational model running number of units and rotating speed, and combine at liquid level feedback and the coiling machine 34 of elevated tank 31
The temperature feedback information of rolled piece 17, sends speed-regulating instruction or valve opening by field terminal unit 23 to section cooling water pump 46
Instruct or open pump instruction, make laminar cooling water system meet the cooling requirement of rolled piece 17, realize energy saving of system, section cooling simultaneously
The technological process of water system is: the cooling water in water cooling pond 42 is extracted by section cooling water pump 46, via regulation valve 45, is sent to
Elevated tank 31 temporarily stores, and when needs section cooling, section cooling shower nozzle 32 sprays, after absorbing heat or from high-order water
Flow to iron sheet ditch 35 after case 31 overflow, iron sheet ditch 35 hot water collected returns to hot-tub 40, and hot water is treated (as thick in removed
Granule, greasy dirt, add antisludging agent, algicide etc.) after boosted by heat-exchanger pump 37 after be sent to after filter 38 filters, then deliver to cold
But tower 39 cools down, and the water after cooling returns water cooling pond 42, completes whole water cycle process；
8, intelligent power saving control unit 44 is collecting the real time position of rolled piece 17, roller table speed, steel grade, real time temperature etc.
After information, it is judged that rolled piece 17 will arrive pressure-air cooling region in the several seconds, in conjunction with the pressure information controlled at cold shower nozzle 33, point
Analysis draws required compressed air require, thus sends speed-regulating instruction or valve by field terminal unit 23 to air compressor 36
Door open command, makes compressed air system supply meet the cooling requirement of rolled piece 17, realizes energy saving of system simultaneously；
9, collecting hot-tub 40, (water source carrys out the section cooling that free iron sheet ditch 35 is collected to intelligent power saving control unit 44
Water, low pressure turbid ring cooling water, milling train cooling water) after real-time level information, it is judged that the scope that liquid level will determine beyond technique, from
And pass through field terminal unit 23 and send speed-regulating instruction or valve opening instruction to heat-exchanger pump 37 or open pump instruction, make turbid ring cool down
The liquid level of the hot-tub 40 in water system meets technological requirement, realizes energy saving of system simultaneously.
By hot rolling produce line universal machine intelligent energy-saving control system running it can be seen that a lot of rolling line information once
Can be that many set universal machine systems use after collection simultaneously, both meet the supply system that rolling line real time information and water, wind, gas can be situated between
The operation of system is combined closely, it is achieved the requirement of whole energy consumption reduction, it also avoid and sets up many cover systems and receipts are repeated several times
Collect the expense increase that same signal causes, meanwhile, be also that same technology promotes meaning of offering reference to other field.
Embodiment two
With reference to Fig. 4, the present invention additionally discloses a kind of hot rolling and produces line universal machine intelligent power saving control method, including following
Step:
S1: according to the production technology information on rolling line, rolled piece information, rolled piece real-time position information, real time temperature information, reality
Time pressure information, milling train load information, universal machine system information, determine that rolling line is to water, wind, gas by mathematics model analysis
Production requirement；
S2: provide the speed governing information of corresponding feed system universal machine and the feedforward letter of control valve opening or position
Breath；
S3: combine universal machine system real-time feedback information and be adjusted controlling, make rolling line net circulation cooling water system, turbid
Recirculating cooling water system, heating furnace send draught fan system, mair motor cooling blower system, rolling mill dedusting blower fan system, compression sky
Gas system continues energy-saving run under ensureing technological requirement.
Wherein, feedback information described in step S3 includes pressure, temperature and liquid level.Meanwhile, turbid circulation described in step S3
Cooling water system includes de-scaling water system, laminar cooling water system, milling train cooling water system, roller-way cooling water system and turbid circulating water
Processing system.
Those skilled in the art should be understood that the present invention can be implemented without departing from this by other concrete forms many
Bright spirit or scope.Although having been described for embodiments of the invention, it should be understood that the present invention should not be limited to these embodiments, this
Those skilled in the art can change and modifications as made within spirit and scope of the invention that appended claims defines.
Claims (10)
1. line universal machine intelligent energy-saving control system is produced in a hot rolling, it is characterised in that include field terminal unit, intelligence joint
Energy control unit and communication unit, wherein:
Described field terminal unit, is used for collecting the real time data information of hot rolling product line and receive control instruction to enter controlled device
Row controls；
Described intelligent power saving control unit, is used for receiving rolling line data, and analyzes and obtain control information, to rolling line universal machine system
System is controlled, and accomplishes on-demand for feedwater, wind, gas；
Described communication unit, the hot rolling for being gathered by described field terminal unit is produced the real time data of line and is sent described intelligence to
Can Energy Saving Control unit, and the control instruction that described intelligent power saving control unit is sent sends described on-site supervision list to
Unit.
2. line universal machine intelligent energy-saving control system is produced in a kind of hot rolling as claimed in claim 1, it is characterised in that described existing
The hot rolling that field monitoring unit is collected is produced the real time data information of line and is included production technology information, rolled piece information, rolled piece real time position
Information, real time temperature information, real time pressure information, milling train load information and universal machine system information.
3. line universal machine intelligent energy-saving control system is produced in a kind of hot rolling as claimed in claim 1, it is characterised in that described intelligence
Can comprise mathematical model inside control unit, described mathematical model includes that pipe resistance model, heating furnace send draught fan system defeated
Air output is born with the relational model of expulsion pressure, each milling train with operation number of units and the relational model of rotating speed, each de-scaling point water consumption
Lotus and the relational model of its caloric value, rolled piece temperature and laminar cooling water magnitude relation model, laminar cooling water system pushing quantity with
Run number of units and the relational model of rotating speed.
4. line universal machine intelligent energy-saving control system is produced in a kind of hot rolling as claimed in claim 1, it is characterised in that described logical
Water pump system, blower fan system and compressor assembly is included, wherein by mechanical system:
Described water pump system includes rolling line net circulation cooling water system and turbid recirculating cooling water system；
Described blower fan system includes that heating furnace send draught fan system, mair motor cooling blower system and rolling mill dedusting blower fan system；
Described compressor assembly includes compressed air system.
5. line universal machine intelligent energy-saving control system is produced in a kind of hot rolling as claimed in claim 4, it is characterised in that described turbid
Recirculating cooling water system includes de-scaling water system, laminar cooling water system, milling train cooling water system, roller-way cooling water system and turbid
Ring water treatment system.
6. line universal machine intelligent energy-saving control system is produced in a kind of hot rolling as claimed in claim 1, it is characterised in that described control
Information processed includes speed or the frequency of arrangements for speed regulation, the aperture of regulation valve or position, the unlatching quantity of universal machine.
7. line universal machine intelligent energy-saving control system is produced in a kind of hot rolling as claimed in claim 1, it is characterised in that described intelligence
Man Machine Interface can be included by Energy Saving Control unit, be used for realizing intelligence and automatically run or carry out manual intervention.
8. line universal machine intelligent power saving control method is produced in a hot rolling, it is characterised in that comprise the following steps:
S1: according to the production technology information on rolling line, rolled piece information, rolled piece real-time position information, real time temperature information, press in real time
By mathematics model analysis, force information, milling train load information, universal machine system information, determine that rolling line is to water, wind, the life of gas
Product demand；
S2: provide speed governing information and the feedforward information of control valve opening or position of corresponding feed system universal machine；
S3: combine universal machine system real-time feedback information and be adjusted controlling, make rolling line net circulation cooling water system, turbid circulation
Cooling water system, heating furnace send draught fan system, mair motor cooling blower system, rolling mill dedusting blower fan system, compressed air system
Unite under ensureing technological requirement, continue energy-saving run.
9. line universal machine intelligent power saving control method is produced in hot rolling as claimed in claim 8, it is characterised in that institute in step S3
State feedback information and include pressure, temperature and liquid level.
10. line universal machine intelligent power saving control method is produced in hot rolling as claimed in claim 8, it is characterised in that in step S3
Described turbid recirculating cooling water system includes de-scaling water system, laminar cooling water system, milling train cooling water system, roller-way cooling water system
System and turbid circulating water processing system.
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| CN201610453056.1A CN106123617A (en) | 2016-06-21 | 2016-06-21 | Line universal machine intelligent energy-saving control system and method are produced in hot rolling |
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| CN201610453056.1A CN106123617A (en) | 2016-06-21 | 2016-06-21 | Line universal machine intelligent energy-saving control system and method are produced in hot rolling |
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Application publication date: 20161116 |