CN103741198B - One rolls extensions, galvanized wire electric power keeps away peak regulation and control method - Google Patents
One rolls extensions, galvanized wire electric power keeps away peak regulation and control method Download PDFInfo
- Publication number
- CN103741198B CN103741198B CN201310726046.7A CN201310726046A CN103741198B CN 103741198 B CN103741198 B CN 103741198B CN 201310726046 A CN201310726046 A CN 201310726046A CN 103741198 B CN103741198 B CN 103741198B
- Authority
- CN
- China
- Prior art keywords
- extensions
- galvanizing bath
- rolling
- time
- galvanized wire
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Abstract
The invention discloses one roll extensions, galvanized wire electric power keep away peak regulation and control method, the method is by comparing whether the mean power in t continuous time exceedes setting value, thus ration the power supply, specifically to roll extensions carry out reduction of speed and limit power rise, and switch over zinc-plated galvanizing bath to measures such as insulation wait states, the method can regulate and control timely and accurately, and efficiency is high, can effectively avoid peak of power consumption overlap period；And the impact rolling extensions product quality restricted electricity peak is reduced period to greatest extent in regulation and control.
Description
Technical field
The present invention relates to a kind of electric power and keep away peak regulation and control method, extensions, zinc-plated are rolled by a kind of Plate Production enterprise
Line electric power keeps away peak regulation and control method.
Background technology
In supply of electric power, power supply enterprise (such as electric company), contract capacity is used to power mould with large-scale power user
Formula, this kind of pattern is the moon basic charge as per installed capacity certain according to the payment of contract amount of capacity.When exceeding contract capacity, exceed contract and hold
Part fine the to be taked measure of amount.
Judging whether user power utilization amount exceedes the foundation of contract amount is power demand quantity, in power demand quantity is exactly a period of time
Average maximum values (takes 15 minutes in power industry) more.Therefore, if management and control the most in addition, will be to large-scale electricity consumption enterprise or because of base
The too high enterprise of these electricity charge causes electric cost to increase, or is imposed a fine because exceeding contract capacity.
Roll the use electrical characteristics of extensions: roll extensions electricity consumption curve it can be seen that it is instant according to observing from data gathering system
Power is from low to high in reciprocating change, and its real-time power changes according to the thickness of steel band, the speed of production of current production.
During identical thickness of strips, the fastest power of speed is the highest；During identical speed, the thickest power of steel band is the highest.Typically up to power
Appear at the high regime of pony-roughing pass (pass).
The use electrical characteristics of galvanized wire galvanizing bath (POT): the real-time power of the POT being currently in use also is in the reciprocating change of height
Change.
When rolling the extensions peak of power consumption with galvanized wire POT and all overlaping, real-time power is by super contract capacity.
At present, in order to solve the real-time power problem by super contract capacity, general employing manually adjusts the overlapping period avoided,
But this method is because producing line characteristic and the reason of fitness, causes cannot avoiding peak of power consumption timely and effectively.
Summary of the invention
The technical problem to be solved be to provide one roll extensions, galvanized wire electric power keep away peak regulation and control method, the party
Method regulates and controls promptly and accurately, and efficiency is high.
In order to solve above-mentioned technical problem, the technical scheme is that
One rolls extensions, galvanized wire electric power keeps away peak regulation and control method, and the mean power in continuous time t exceedes setting value
Time:
Rolling and prolong part, roll extensions including two, detection is rolled rolling in extensions and is prolonged machine and whether be in last passage:
1) if two are rolled rolling of extensions and prolong machine and be all not in last passage, rolling of extensions of rolling high for realtime power is prolonged machine
Reduction of speed, another rolls rolling of extensions and prolongs machine restriction power rise, sets time t1, reach time t1Before the rear extremely change of recovery automatically
State；
2) if having one to roll rolling of extensions and prolonging machine and be in last passage, rolling of extensions is rolled by be not in last passage
Prolonging machine reduction of speed, another rolls rolling of extensions and prolongs machine restriction power rise, sets time t2, reach time t2The most automatically change is recovered
Front state；
3) if two are rolled rolling of extensions and prolong machine all in last passage, two are rolled rolling of extensions and prolongs machine all reductions of speed to rolling
The rolling of extensions is prolonged machine and is set the half of maximum speed and produce, and sets time t3, reach time t3Rear automatically recovery changes front shape
State；
Zinc-plated part, including the first galvanized wire, the second galvanized wire and the 3rd galvanized wire；Plating bath will contain the plating of 55% aluminium
Zinc groove is referred to as the first galvanizing bath, and in plating bath, the galvanizing bath of all zinc is referred to as the second galvanizing bath, contains the zinc-plated of 5% aluminium in plating bath
Groove is referred to as the 3rd galvanizing bath；Described first galvanized wire includes the first galvanizing bath, fritting groove and the second galvanizing bath, described second zinc-plated
Line includes that the second galvanizing bath and the 3rd galvanizing bath, described 3rd galvanized wire include the first galvanizing bath, fritting groove and the second galvanizing bath,
The first galvanizing bath and fritting groove on galvanized wire use production simultaneously, and can only have a galvanizing bath on every galvanized wire simultaneously
Use and produce；
First galvanized wire:
During if using the first galvanizing bath and fritting groove to produce, and the power of fritting groove is when below W, the first galvanizing bath, pre-
Molten groove switches to be incubated wait state, sets time t4, reach time t4Rear automatically recovery changes front state；
If use the second galvanizing bath, and in time being more than T previous switching time, the second galvanizing bath is switched to insulation etc.
Treat state, set time t5, reach time t5Rear automatically recovery changes front state；If use the second galvanizing bath, cut apart from previous
When the time of changing is not more than T, do not switch current state；
Second galvanized wire:
Either use the second galvanizing bath to produce or use the 3rd galvanizing bath to produce, being more than apart from previous switching time
Switch it to during T to insulation wait state, set time t6, reach time t6Rear automatically recovery changes front state；Apart from previous
Current state is not switched when being not more than T switching time；
3rd galvanized wire:
Either use the first galvanizing bath and fritting groove to produce or use the second galvanizing bath to produce, apart from previous switching
Switch it to when time is more than T to insulation wait state, set time t7, reach time t7Rear automatically recovery changes front state；?
Current state is not switched in time being not more than T previous switching time.
Described t1=t2=t3=t4=t5=t6=t7=90 seconds.
The power W=500kw of described fritting groove.
Described time T is 15 minutes, and t is 15 minutes.
For making the impact rolling extensions product quality restricted electricity peak be down to minimum level, for working as when rolling extensions reduction of speed
Front different thickness of slab and plate width do and process accordingly:
If the current plate width produced is at more than 1000mm, and the thickness of slab that current pass produces is when more than 0.5mm, is dropped
Roll rolling of extensions after speed signal to prolong motor speed and be down to 150 ms/min；
If the current plate width produced is at more than 1000mm, and the thickness of slab that current pass produces is when more than 0.5mm, is dropped
Roll rolling of extensions after speed signal to prolong motor speed and be down to 150 ms/min；Otherwise prolong motor speed be down to 400 ms/min by rolling rolling of extensions
Clock.
After rolling the rolling and prolong machine reduction of speed of extensions at one, another rolls rolling to prolong acc power and limit the method risen and being of extensions:
If present speed is when setting less than half of maximum speed, it is allowed to accelerate to set the half of maximum speed；
If present speed set maximum speed more than half time reduction of speed to set maximum speed half produce.
The inventive method can regulate and control timely and accurately, and efficiency is high, can effectively avoid peak of power consumption overlap period；And
And the impact rolling extensions product quality restricted electricity peak is reduced period to greatest extent in regulation and control.
Accompanying drawing explanation
The present invention is further detailed explanation with detailed description of the invention below in conjunction with the accompanying drawings.
Fig. 1 is the flow chart of the inventive method.
Detailed description of the invention
As it is shown in figure 1, read full factory and each actual use producing line by PLC system from transformer station (such as 110KV transformer station)
Electricity situation, calculates continuous 15 minutes mean powers of full factory according to the real data read, and using these data as control
Each foundation producing line power consumption, and networked by PLC and automatically take reduction of speed measure.
When (being such as set as 24700KW) when within continuous 15 minutes, mean power exceedes setting value, need, to keep away
Opening the peak of power consumption of overlap, concrete measure is:
Roll and prolong part:
Rolling and prolong part and include that two are rolled extensions, detection is rolled rolling in extensions and is prolonged machine and whether be in last passage:
1) if two are rolled rolling of extensions and prolong machine and be all not in last passage, rolling of extensions of rolling high for realtime power is prolonged machine
Reduction of speed, another rolls rolling of extensions and prolongs machine restriction power rise, sets 90 seconds time, before automatically recovering after reaching 90 seconds extremely to change
State；
2) if having one to roll rolling of extensions and prolonging machine and be in last passage, rolling of extensions is rolled by be not in last passage
Prolonging machine reduction of speed, another rolls rolling of extensions and prolongs machine restriction power rise, sets 90 seconds time, automatically recovers change after reaching 90 seconds
Front state；
3) if two are rolled rolling of extensions and prolong machine all in last passage, two are rolled rolling of extensions and prolongs machine all reductions of speed to rolling
The rolling of extensions is prolonged machine and is set the half of maximum speed and produce, and sets 90 seconds time, before automatically recovering change after reaching 90 seconds
State.
For making the impact rolling extensions product quality restricted electricity peak be down to minimum level, for the most different thicknesss of slab
With plate width, to roll extensions roll prolong machine reduction of speed process difference:
If the current plate width produced is at more than 1000mm, and thickness of slab (Fig. 1 when more than 0.5mm that current pass produces
In involved thickness of slab, plate width condition), roll rolling of extensions after obtaining signal to reduce the speed and prolong motor speed and be down to 150 ms/min；
If the current plate width produced is at more than 1000mm, and the thickness of slab that current pass produces is when more than 0.5mm, is dropped
Roll rolling of extensions after speed signal to prolong motor speed and be down to 150 ms/min；Otherwise prolong motor speed be down to 400 ms/min by rolling rolling of extensions
Clock.
After rolling the rolling and prolong machine reduction of speed of extensions at one, another rolls rolling to prolong acc power and limit the method risen and being of extensions:
If present speed is when setting less than half of maximum speed, it is allowed to accelerate to set the half of maximum speed；
If present speed set maximum speed more than half time reduction of speed to set maximum speed half produce.
Zinc-plated part:
Zinc-plated part includes the first galvanized wire, the second galvanized wire and the 3rd galvanized wire；Plating bath will contain the zinc-plated of 55% aluminium
Groove is referred to as the first galvanizing bath (i.e. GL), and in plating bath, the galvanizing bath of all zinc is referred to as the second galvanizing bath (i.e. GI), contains in plating bath
The galvanizing bath of 5% aluminium is referred to as the 3rd galvanizing bath (i.e. GF)；Described first galvanized wire include the first galvanizing bath, fritting groove (i.e. PM) and
Second galvanizing bath, described second galvanized wire includes that the second galvanizing bath and the 3rd galvanizing bath, described 3rd galvanized wire include the first plating
Zinc groove, fritting groove and the second galvanizing bath, the first galvanizing bath and fritting groove on galvanized wire use production simultaneously, and zinc-plated at every
A galvanizing bath can only be had on line to use produce simultaneously；
First galvanized wire:
If use the first galvanizing bath and fritting groove to produce, and the power of fritting groove is when below 500kw, and first is zinc-plated
Groove, fritting groove switch to be incubated wait state, set 90 seconds time, automatically recover state before change after reaching 90 seconds；
If use the second galvanizing bath, and switch to the second galvanizing bath protect in time being more than 15 minutes previous switching time
Temperature wait state, sets 90 seconds time, automatically recovers state before change after reaching 90 seconds；If use the second galvanizing bath, distance
When previous switching time is not more than 15 minutes, do not switch current state；
Second galvanized wire:
Either use the second galvanizing bath to produce or use the 3rd galvanizing bath to produce, being more than apart from previous switching time
Switch it to when 15 minutes to insulation wait state, set 90 seconds time, after reaching 90 seconds time, automatically recover state before change；
Current state is not being switched in time being not more than 15 minutes previous switching time；
3rd galvanized wire:
Either use the first galvanizing bath and fritting groove to produce or use the second galvanizing bath to produce, apart from previous switching
Switch it to when time was more than 15 minutes to insulation wait state, set 90 seconds time, automatically recover after reaching 90 seconds time to become
State before changing；Current state is not being switched in time being not more than 15 minutes previous switching time.
Above-described embodiment limits the present invention never in any form, and the mode of every employing equivalent or equivalent transformation obtains
Technical scheme all fall within protection scope of the present invention.
Claims (3)
1. one kind roll extensions, galvanized wire electric power keeps away peak regulation and control method, it is characterised in that the mean power in continuous time t exceedes
During setting value:
Rolling and prolong part, roll extensions including two, detection is rolled rolling in extensions and is prolonged machine and whether be in last passage:
1) if two are rolled rolling of extensions and prolong machine and be all not in last passage, rolling of extensions of rolling high for realtime power is prolonged machine fall
Speed, another rolls rolling of extensions and prolongs machine restriction power rise, sets time t1, reach time t1Shape before the rear extremely change of recovery automatically
State；
2) if having one to roll rolling of extensions and prolonging machine and be in last passage, the rolling of extensions of rolling being not in last passage is prolonged machine
Reduction of speed, another rolls rolling of extensions and prolongs machine restriction power rise, sets time t2, reach time t2Rear automatically recovery changes front shape
State；
3) if two are rolled rolling of extensions and prolong machine all in last passage, two are rolled rolling of extensions and prolongs machine all reductions of speed to rolling extensions
Roll prolong machine set maximum speed half produce, set time t3, reach time t3Rear automatically recovery changes front state；
Zinc-plated part, including the first galvanized wire, the second galvanized wire and the 3rd galvanized wire；Plating bath will contain the galvanizing bath of 55% aluminium
Being referred to as the first galvanizing bath, in plating bath, the galvanizing bath of all zinc is referred to as the second galvanizing bath, and in plating bath, the galvanizing bath containing 5% aluminium claims
It it is the 3rd galvanizing bath；Described first galvanized wire includes the first galvanizing bath, fritting groove and the second galvanizing bath, described second galvanized wire bag
Including the second galvanizing bath and the 3rd galvanizing bath, described 3rd galvanized wire includes the first galvanizing bath, fritting groove and the second galvanizing bath, zinc-plated
The first galvanizing bath and fritting groove on line use production simultaneously, and a galvanizing bath can only be had on every galvanized wire to use simultaneously
Produce；
First galvanized wire:
If use the first galvanizing bath and fritting groove to produce, and the power of fritting groove is when below W, the first galvanizing bath, fritting groove
Switch to be incubated wait state, set time t4, reach time t4Rear automatically recovery changes front state；
If use the second galvanizing bath, and apart from previous switching time more than during T, the second galvanizing bath being switched to insulation wait shape
State, sets time t5, reach time t5Rear automatically recovery changes front state；If use the second galvanizing bath, when previous switching
Between be not more than T time, do not switch current state；
Second galvanized wire:
Either use the second galvanizing bath to produce or use the 3rd galvanizing bath to produce, in time being more than T previous switching time
Switch it to insulation wait state, set time t6, reach time t6Rear automatically recovery changes front state；Cutting apart from previous
Current state is not switched when the time of changing is not more than T；
3rd galvanized wire:
Either use the first galvanizing bath and fritting groove to produce or use the second galvanizing bath to produce, apart from previous switching time
Switch it to during more than T to insulation wait state, set time t7, reach time t7Rear automatically recovery changes front state；In distance
Current state is not switched when previous switching time is not more than T；The power W=500kw of described fritting groove, described time T, t are 15
Minute, described t1=t2=t3=t4=t5=t6=t7=90 seconds.
One the most according to claim 1 rolls extensions, galvanized wire electric power keeps away peak regulation and control method, it is characterised in that: if current
The plate width produced is at more than 1000mm, and the thickness of slab that current pass produces is when more than 0.5mm, rolls extensions after obtaining signal to reduce the speed
Roll and prolong motor speed and be down to 150 ms/min；Otherwise prolong motor speed be down to 400 ms/min by rolling rolling of extensions.
One the most according to claim 1 rolls extensions, galvanized wire electric power keeps away peak regulation and control method, it is characterised in that one is rolled and prolongs
After the rolling of line prolongs machine reduction of speed, another rolls rolling to prolong acc power and limit the method risen and being of extensions: if present speed is setting
During at high speed less than half, the half accelerating to set maximum speed produces；If present speed is setting maximum speed
More than half time, reduction of speed to set maximum speed half produce.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310726046.7A CN103741198B (en) | 2013-12-25 | 2013-12-25 | One rolls extensions, galvanized wire electric power keeps away peak regulation and control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310726046.7A CN103741198B (en) | 2013-12-25 | 2013-12-25 | One rolls extensions, galvanized wire electric power keeps away peak regulation and control method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103741198A CN103741198A (en) | 2014-04-23 |
| CN103741198B true CN103741198B (en) | 2016-09-07 |
Family
ID=50498261
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310726046.7A Active CN103741198B (en) | 2013-12-25 | 2013-12-25 | One rolls extensions, galvanized wire electric power keeps away peak regulation and control method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103741198B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4460852A (en) * | 1981-02-06 | 1984-07-17 | Sumitomo Kinzoku Kogyo Kabushiki Gaisha | Method of controlling mill motors speeds in a cold tandem mill |
| JPS6260490A (en) * | 1985-09-06 | 1987-03-17 | Sumitomo Metal Ind Ltd | Control method of different speed of rolling mill |
| CN1464802A (en) * | 2001-07-17 | 2003-12-31 | 株式会社哈热那 | Structural body and method for cold rolling |
-
2013
- 2013-12-25 CN CN201310726046.7A patent/CN103741198B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4460852A (en) * | 1981-02-06 | 1984-07-17 | Sumitomo Kinzoku Kogyo Kabushiki Gaisha | Method of controlling mill motors speeds in a cold tandem mill |
| JPS6260490A (en) * | 1985-09-06 | 1987-03-17 | Sumitomo Metal Ind Ltd | Control method of different speed of rolling mill |
| CN1464802A (en) * | 2001-07-17 | 2003-12-31 | 株式会社哈热那 | Structural body and method for cold rolling |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103741198A (en) | 2014-04-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107962075B (en) | The cold rolling process of high grade non-oriented silicon steel hot rolling acid-cleaning not cutting edge | |
| CN101913210B (en) | Polycrystalline silicon ingot ripping method | |
| CN110323764B (en) | Isolated network system stable operation control method based on energy storage unit and load control | |
| CN107994594B (en) | Maximum demand control method based on energy storage system | |
| CN105436208A (en) | Edge-drop control method during rolling process | |
| CN104772339A (en) | Method for improving rolling stability in steel plate edge drop control process | |
| CN110165707A (en) | Light-preserved system optimal control method based on Kalman filtering and Model Predictive Control | |
| Tang et al. | Research into possibility of smart industrial load participating into demand response to supply the power system | |
| CN107681650A (en) | Direct-current grid energy management and control method for coordinating | |
| CN101786145A (en) | Method for casting, rolling and molding lead alloy plate strip | |
| CN108655185A (en) | The method for preventing singlestandmill steel-fastening | |
| CN112170500B (en) | Hot continuous rolling production control method for constant-gap structure | |
| CN102240787B (en) | Method for increasing online adjusting width of continuous casting crystallizer within large range | |
| CN103741198B (en) | One rolls extensions, galvanized wire electric power keeps away peak regulation and control method | |
| CN108493972A (en) | A kind of appraisal procedure of electric vehicle instantaneous stand-by ability | |
| CN103475000B (en) | Off-peak monitoring method and system of orderly power utilization | |
| CN205046185U (en) | Galvanized wire belted steel vibration damping device | |
| CN106808035A (en) | Electrical discharge machining self-adaptation control method, apparatus and system | |
| CN103543678B (en) | A kind of controller of configurable demand on power demand side | |
| CN106487022A (en) | A kind of rural area low-voltage administering method | |
| CN103695991A (en) | Electroplating current optimization method applicable to continuous electrotinning unit | |
| CN102601326A (en) | Method for continuously and rapidly adjusting width increase of mold in online manner | |
| CN104882885A (en) | Control method of multi-machine parallel optimized operation of active power filters | |
| CN109487302A (en) | A method of producing rare earth metal and alloy | |
| EP2865066B1 (en) | Operating method and operating apparatus for an electrical energy store of a small-scale power plant for increasing the operating efficiency of the small-scale power plant |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |