CN108130407A - A kind of double cloth production cost efficiency method of non-oxidation roller hearth heat-treated furnace - Google Patents
A kind of double cloth production cost efficiency method of non-oxidation roller hearth heat-treated furnace Download PDFInfo
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- CN108130407A CN108130407A CN201711423513.3A CN201711423513A CN108130407A CN 108130407 A CN108130407 A CN 108130407A CN 201711423513 A CN201711423513 A CN 201711423513A CN 108130407 A CN108130407 A CN 108130407A
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- China
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- steel plate
- centering
- heat
- roller hearth
- double
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/0081—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for slabs; for billets
Abstract
The present invention is a kind of double cloth production cost efficiency method of non-oxidation roller hearth heat-treated furnace, it hangs in step sequence, finishing side steel plate is selected during cloth to track steel plate, its head position is set as to have more 9 11cm than another piece, another block of steel plate is checked by the manually recorded data of operative employee and in index；In centering step sequence, the optimal limit position alarming value for going out centralising device pressure is set as 135 145bar, and centering dropping signal is delayed 1.5 2.5s signals；After double cloth steel plate enters traverse displacement unit by quenching press, select to separate steel plate in traverse displacement unit.The present invention is under identical appointed condition, the heat treatment process steel plate production capacity that non-oxidation roller hearth heat-treated furnace is produced can be made double, greatly improve the production capacity of heat-treatment furnace, and the energy consumptions such as electricity, compressed air, water substantially reduce, and greatly improve production efficiency and reduce production cost.
Description
Technical field
The present invention relates to a kind of cost efficiency method of heat-treatment furnace, specifically a kind of non-oxidation roller-bottom type heat treatment
The double cloth production cost efficiency method of stove.
Background technology
Wide and Thick Slab factory heat-treatment furnace generally using non-oxidation roller hearth heat-treated furnace, can produce 8mm~150mm thickness
The plurality of specifications steel plate of degree, 1800mm~4500mm width.In the prior art, non-oxidation roller hearth heat-treated furnace is using single
Discharge steel plate not only wastes the energy into stove, this traditional production model in the steel plate for producing 2200mm and following width,
And greatly reduce rhythm of production.
Invention content
The technical problems to be solved by the invention are, for above shortcoming of the existing technology, to propose a kind of nothing
The double cloth production cost efficiency method of roller hearth heat-treated furnace is aoxidized, the production capacity of heat-treatment furnace is greatly improved, reduces simultaneously
The consumption of the heat treatment energy.
The present invention solve more than technical problem technical solution be：
A kind of double cloth production cost efficiency method of non-oxidation roller hearth heat-treated furnace, double cloth steel plate is below 2200mm
The steel plate of same size；Non-oxidation roller hearth heat-treated furnace walks sequence：It hangs on, centering, surveys length, enter stove, come out of the stove, cold bed in separation；
Stokehold is being entered to the steel plate of 2200mm and following width, by its it is double be placed on charging roller table, by centering and survey it is long after, will
Two blocks of steel plates enter together stove production, after heat-treatment furnace heat treatment procedure, steel plate is separated by traverse displacement unit, then respectively on
Cold bed cools down；There are 5 cold metal detectors in non-oxidation roller hearth heat-treated furnace stokehold, to survey long step sequence main signal to neutralizing,
There are 8 hot metal detectors in stove, be that steel plate tracks main signal in stove；It hangs on（Driving work hangs on steel plate）It walks in sequence, cloth
When select finishing side steel plate for track steel plate, its head position is set as to have more 9-11cm than another piece, another block of steel plate leads to
It crosses the manually recorded data of operative employee and is checked in head-stamp；Steel plate had both been reduced in this way in stove since heat inspection error signal causes
Tracking problem, decrease the workload of operating personnel, greatly improve rhythm of production；In centering step sequence, centering will be gone out
The optimal limit position alarming value of device pressure is set as 135-145bar, and centering dropping signal is delayed 2s signals；Due to two
Block steel plate is placed in roller-way, easily sandwiches two pieces of steel plate overlappings when centralising device clamps, by comparison and experiment repeatedly, will go out
The optimal limit position alarming value of centralising device pressure is 135-145bar, and adds in centering dropping signal delay 1.5-2.5s letters
Number, stability when improving centralising device in double material pair；Enter in stove step sequence, since charging roller table cold metal detector is examined
Survey one piece of steel plate length, when double cloth production, needs the identical steel plate of two block specifications entering stove production simultaneously, avoid stokehold with
Metal detection occurs unstable in stove, causes to track the alarm that gets muddled；Double cloth steel plate enters traversing dress by quenching press
It postpones, selects to separate steel plate in traverse displacement unit.Since the traverse displacement unit visual field is good, it is conveniently operated work operation, the steel plate after separating
Cold bed is gone up respectively using straightener.
In this way, the double cloth production of non-oxidation roller hearth heat-treated furnace of the present invention is for 2200mm and the steel plate of following width
Entering stokehold, by its it is double be placed on charging roller table, after centering and surveying long process, two blocks of steel plates enter stove production together,
After heat-treatment furnace heat treatment procedure, steel plate is separated by traverse displacement unit, then upper cold bed cooling respectively.In identical equipment item
Under part, the production of non-oxidation roller hearth heat-treated furnace double cloth, not only heat-treated steel plate production capacity is double, Er Qie electricity, compressed air,
The energy consumptions such as water substantially reduce, and greatly improve production efficiency and reduce production cost.
The beneficial effects of the invention are as follows：
The present invention can produce the heat treatment process steel plate that non-oxidation roller hearth heat-treated furnace is produced under identical appointed condition
Can be double, the production capacity of heat-treatment furnace is greatly improved, the energy consumptions such as Er Qie electricity, compressed air, water are substantially reduced, greatly carried
High production efficiency and reduce production cost.
Specific embodiment
Embodiment 1
The present embodiment is a kind of double cloth production cost efficiency method of non-oxidation roller hearth heat-treated furnace, and double cloth steel plate is
The steel plate of 2200mm specifications same as below；Non-oxidation roller hearth heat-treated furnace walks sequence：It hangs on, centering, surveys length, enter stove, come out of the stove, dividing
From upper cold bed；Stokehold is being entered to the steel plate of 2200mm and following width, by its it is double be placed on charging roller table, by centering and
After surveying length, two blocks of steel plates are entered into stove production together, after heat-treatment furnace heat treatment procedure, are divided steel plate by traverse displacement unit
It opens, then upper cold bed cooling respectively；There are 5 cold metal detectors in non-oxidation roller hearth heat-treated furnace stokehold, to survey long step to neutralizing
Sequence main signal has 8 hot metal detectors in stove, is that steel plate tracks main signal in stove；It hangs on（Driving work hangs on steel plate）
It walks in sequence, when cloth select finishing side steel plate to be set as its head position to have more 10cm than another piece for tracking steel plate, another
Block steel plate is checked by the manually recorded data of operative employee and in head-stamp；Steel plate had both been reduced in this way in stove since heat inspection misses
Tracking problem caused by signal decreases the workload of operating personnel, greatly improves rhythm of production；In centering step sequence,
The optimal limit position alarming value for going out centralising device pressure is set as 140bar, and centering dropping signal is delayed 2s signals；By
Roller-way is placed in two blocks of steel plates, easily sandwiches two pieces of steel plates overlappings when centralising device clamps, by comparison and experiment repeatedly,
It is 140bar by the optimal limit position alarming value for going out centralising device pressure, and adds in centering dropping signal delay 2s signals, improves
Stability when centralising device is in the double material pair；Enter in stove step sequence, since charging roller table cold metal detector detects one piece
Steel plate length needs the identical steel plate of two block specifications entering stove production simultaneously when double cloth produces, avoids stokehold and gold in stove
It is unstable to belong to detection appearance, causes to track the alarm that gets muddled；After double cloth steel plate enters traverse displacement unit by quenching press, choosing
It selects and separates steel plate in traverse displacement unit.Since the traverse displacement unit visual field is good, work operation is conveniently operated, the steel plate after separating is using strong
Straight machine goes up cold bed respectively.
The present embodiment greatly improves the production capacity of heat-treatment furnace, while reduces the consumption of the heat treatment energy, is reaching work
Skill reduces cost under the premise of requiring, and improves yield.The present embodiment was heat-treated extra quality life for production capacity for one month
963 tons of normalizing plate is produced, using average heat treated article price as 6000 yuan/ton, 300 yuan/ton of process cost, steel plate cost 4000
Yuan/ton calculate, due to double material production eliminate most of process cost, then a month increasable steel plate actual benefit is
（963/2）*（6000-4000）=96 ten thousand yuan, annual 960000 yuan * 12=1155.6 ten thousand yuan of benefit net increase.By calculating, with monthly
Produce less than 2.2 meters normalizing plate 963t for, one month can gas saving be：963t*（1.26*2-1.38）GJ/t/4.2J/
car/2000Kcar=130690m3, the economic amount of money that monthly can directly retrieve is 130690*0.5 members=6.53 ten thousand yuan, and year draws
It is 6.53*12=78.36 ten thousand yuan to back through the Ji amount of money, then the value created every year is 1155.6+78.36=1233.96 ten thousand yuan.
In addition to the implementation, the present invention can also have other embodiment.It is all to use equivalent substitution or equivalent transformation shape
Into technical solution, all fall within the present invention claims protection domain.
Claims (4)
1. a kind of double cloth production cost efficiency method of non-oxidation roller hearth heat-treated furnace, the double cloth steel plate are
The steel plate of 2200mm specifications same as below；The non-oxidation roller hearth heat-treated furnace walks sequence：It hangs on, centering, surveys length, enter stove, go out
Cold bed on stove, separation；Stokehold is being entered to the steel plate of 2200mm and following width, by its it is double be placed on charging roller table, pass through
Centering and survey it is long after, two blocks of steel plates are entered into stove production together, after heat-treatment furnace heat treatment procedure, by traverse displacement unit by steel
Plate separates, then upper cold bed cooling respectively；There are 5 cold metal detectors in the non-oxidation roller hearth heat-treated furnace stokehold, is centering
Sequence main signal is walked with length is surveyed, there are 8 hot metal detectors in stove, is that steel plate tracks main signal in stove；It is characterized in that：Institute
It states and hangs in step sequence, when cloth select finishing side steel plate to be set as its head position to have more 9- than another piece for tracking steel plate
11cm, another block of steel plate are checked by the manually recorded data of operative employee and in head-stamp；In centering step sequence, it will go out pair
The optimal limit position alarming value of middle device pressure is set as 135-145bar, and centering dropping signal delay 1.5-2.5s is believed
Number；After the double cloth steel plate enters traverse displacement unit by quenching press, select to separate steel plate in traverse displacement unit.
2. the double cloth production cost efficiency method of non-oxidation roller hearth heat-treated furnace as described in claim 1, feature exist
In：Described to hang in step sequence, when cloth, select finishing side steel plate that its head position is set as more than another piece for tracking steel plate
Go out 10cm.
3. the double cloth production cost efficiency method of non-oxidation roller hearth heat-treated furnace as described in claim 1, feature exist
In：In the centering step sequence, the optimal limit position alarming value for going out centralising device pressure is set as 140bar.
4. the double cloth production cost efficiency method of non-oxidation roller hearth heat-treated furnace as described in claim 1, feature exist
In：By centering dropping signal delay 2s signals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711423513.3A CN108130407A (en) | 2017-12-25 | 2017-12-25 | A kind of double cloth production cost efficiency method of non-oxidation roller hearth heat-treated furnace |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711423513.3A CN108130407A (en) | 2017-12-25 | 2017-12-25 | A kind of double cloth production cost efficiency method of non-oxidation roller hearth heat-treated furnace |
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| CN108130407A true CN108130407A (en) | 2018-06-08 |
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| CN201711423513.3A Pending CN108130407A (en) | 2017-12-25 | 2017-12-25 | A kind of double cloth production cost efficiency method of non-oxidation roller hearth heat-treated furnace |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109207690A (en) * | 2018-11-30 | 2019-01-15 | 湖南华菱湘潭钢铁有限公司 | Generous plate heat treatment quenching and tempering production line |
| CN109504845A (en) * | 2018-11-30 | 2019-03-22 | 湖南华菱湘潭钢铁有限公司 | A kind of Wide and Thick Slab heat-treatment production line of double or multiple rows of cloth |
| CN114182075A (en) * | 2021-12-20 | 2022-03-15 | 江苏省沙钢钢铁研究院有限公司 | Heat treatment method of plastic die steel plate |
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Application publication date: 20180608 |
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