CN108480417A - Continuous producing line, which is plated, based on thin slab continuous casting and rolling hot radical raw material and acid produces method of the 600g zinc layers without zinc flower hot-galvanized plate - Google Patents
Continuous producing line, which is plated, based on thin slab continuous casting and rolling hot radical raw material and acid produces method of the 600g zinc layers without zinc flower hot-galvanized plate Download PDFInfo
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- CN108480417A CN108480417A CN201810102736.8A CN201810102736A CN108480417A CN 108480417 A CN108480417 A CN 108480417A CN 201810102736 A CN201810102736 A CN 201810102736A CN 108480417 A CN108480417 A CN 108480417A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C37/00—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
- B21C37/02—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of sheets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
- B21B1/46—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling metal immediately subsequent to continuous casting
- B21B1/463—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling metal immediately subsequent to continuous casting in a continuous process, i.e. the cast not being cut before rolling
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
- C23C2/04—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor characterised by the coating material
- C23C2/06—Zinc or cadmium or alloys based thereon
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
- C23C2/14—Removing excess of molten coatings; Controlling or regulating the coating thickness
- C23C2/16—Removing excess of molten coatings; Controlling or regulating the coating thickness using fluids under pressure, e.g. air knives
- C23C2/18—Removing excess of molten coatings from elongated material
- C23C2/20—Strips; Plates
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
- C23C2/34—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor characterised by the shape of the material to be treated
- C23C2/36—Elongated material
- C23C2/40—Plates; Strips
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C22/00—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C22/73—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals characterised by the process
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Coating With Molten Metal (AREA)
- Metal Rolling (AREA)
Abstract
Continuous producing line, which is plated, based on thin slab continuous casting and rolling hot radical raw material and acid produces method of the 600g zinc layers without zinc flower hot-galvanized plate.The invention belongs to iron and steel technical field, it is related to plating the method that continuous producing line produces 600g zinc layers heat zinc coating plates completely without head thin slab continuous casting and rolling hot radical raw material and acid, comprises the following steps that：Stock roll is passed through to be produced completely without head bar strip continuous casting and rolling flow path, then by acid plate continuous producing line carry out pickling, it is smooth, heat, zinc-plated, finishing, be passivated, coil into galvanizing and roll up.The method of the invention can 2.0 3.0mm*1500m specification 600g zinc layers heat zinc coating plates of steady production, product surface quality is good, dimensional accuracy is high, performance is stablized, and can substitute the cold base of tradition and hot radical product simultaneously.
Description
Technical field
The invention belongs to iron and steel technical field, it is related to plating continuous producing line completely without head thin slab continuous casting and rolling hot radical raw material and acid
The method for producing 600g zinc layers heat zinc coating plates.
Background technology
Due to the particularity of west area geology, the corrosion resistance of material is required in infrastructure very high.Galvanizing
It is most common, most economical, most effective anti-corrosion method, continuous hot galvanizing is with production cost is low, coating performance is superior and makes
The advantages that with long lifespan, heat zinc coating plate is widely used in construction industry, and proportion is up to 13-35% in steel plate.
However, more falling behind without zinc flower 600g superelevation zinc layers galvanized sheets production technology in country's galvanizing at present, Bu Nengman
The demand of sufficient every profession and trade especially construction industry, therefore, urgent need work out a kind of no zinc flower 600g superelevation zinc layers galvanized sheets production work
Skill.
Invention content
A kind of sheet continuous casting and rolling hot radical raw material and the zinc-plated continuous producing line of pickling produce 600g zinc layers without zinc flower hot-galvanized plate
Process, comprise the following steps that：Stock roll is passed through to be produced completely without head bar strip continuous casting and rolling flow path, is then plated by acid
Continuous producing line carry out pickling, it is smooth, heat, zinc-plated, finishing, be passivated, coiling into galvanizing and roll up, 2.0~3.0mm* of product specification
1500mm。
The stock roll includes foreign trade SPHC with intensity rank steel grade and internal trade cold forming steel series, the foreign trade SPHC
Include the component of following parts by weight with intensity rank steel grade：C≤0.06 part, Si≤0.034 part, Mn0.08-0.20 parts, P≤
0.017 part, S≤0.006 part, 0.015-0.050 parts of Alt, 0.0009-0.0025 parts of B；The internal trade cold forming Series Steel
Kind includes the component of following parts by weight：C≤0.06 part, Si≤0.044 part, Mn0.08-0.20 parts, P≤0.017 part, S≤
0.006 part, Alt
0.015-0.050 parts.
Preferably, described refer to completely without head continuous casting and rolling technique of sheet bar：The continuous casting billet of conticaster production is directly entered
High reduction mill, is rolled to base among 8-20mm, and sensed heating furnace enters 5 frame finish rolling, laminar flow after being heated to 1100-1200 DEG C
Batched after cooling, in whole process, conticaster has strip to be connected directly to coiling machine, by high-speed flying shear before coiling machine into
Row bundling.
Preferably, the acid cleaning process refers to：Raw material, which enters broken phosphorus machine, to carry out handling → pickling → rinsing → drying.
Preferably, the flattening process refers to：The flattening process selects the whole setting of double flat, the smooth elongation percentage in stokehold
0.8~1.5%, smooth elongation percentage 1.0~1.5% after stove, planisher is dry flat, to ensure strip surface quality, planisher
Brush roll arrangement is installed afterwards, stokehold increases felt, planisher type：Dry flat/four-roller type, work roll diameter：400-450mm, work
Make roller length：1900mm supports roller diameter：1050-1150mm, support roller length：1900mm, speed：30-170m/min subtracts
Fast acceleration：0.7m/s2, roll-force：1500-12000kN, elongation percentage 0.3-3.0%.
Planisher acts on：
(1) improve strip mechanical performance, expand the plastic deformation regime of strip；
(2) yield point elongation is eliminated, prevents strip from occurring elongation strain trace in punch process.
(3) by the different roughness of planisher working roll roll surface, it can make strip that there is the surface of bright or numb hair.
(4) improve belt plate shape.
(5) under big drafts, keep belt steel thickness thinning.
Preferably, the heating process refers to：Strip enters inlet seal roller → induction heater heating, plate temperature 480
~550 DEG C → electric radiant tube soaking zone is kept the temperature → turn to tower top roller → cyclic spray cooling section → hot idler roller room → stove nose →
Zinc pot；Inlet seal roller is to ensure heating furnace air-tightness, and wear-resistant ceramic fiberboard is provided on furnace shell steel construction；Two pairs of sealed rollers
Between be additionally provided with nitrogen curtain sealing；Induction heater is mainly made of induction coil, shell, thermal insulation material, water chiller etc.；
Steering tower top roller bearing is self-aligning roller bearing, and bearing-transmission side is fixed, and fore side floating has been compensated for thermally expanding, and bearing block has water
Cold set；It is provided with expansion joint between both sides furnace shell and bearing block, to compensate vertical/horizontal vibrations；Cyclic spray cooling section is used for band
Steel is cooled to suitable zinc-plated temperature, including spray box, centrifuge cycle wind turbine, heat exchanger, and air quantity is according to outlet pyrometer measures strip
Temperature adjust automatically；Hot idler roller room ensures quality of coating for separating stove inside/outside strip tension；Stove nose is extension type,
There is the wet anti-zinc gray device of protection, pneumatic baffle when overhauling for maintaining furnace pressure.
Preferably, the zincincation refers to：Strip is immersed in through zinc pot sinking roller in the zinc liquid containing aluminium from stove nose
→ air knife wipes the extra zinc liquid of belt steel surface off, to achieve the purpose that control thickness of coating → cooling blower carry out it is cooling →
Strip enters watch-quench tank → zinc layers calibrator and measures thickness, 43~50mbar of air pressure, 140~230mm of height, and distance 15~
18mm, zinc liquid aluminium content 0.27~0.3%.
Preferably, the finishing process refers to：Four-roller finishing → finishing liquid cleaning showers → squeeze roller extracts → edge
Purging, polishing machine are four-roller type, and support roller transmission, band hydraulic pressure roll-force controls, automatic to depress, positive and negative roller control.
Effect of the polishing machine to galvanized sheet：Front and back jockey pulley makes galvanized sheet generate larger tension, at the same time polishing machine
Two working rolls up and down to galvanized sheet apply roll-force, under tensile stress and roll-force (compression) collective effect of tension,
Galvanized sheet just generates plastic elongation.After finishing, Surface Quality improvement and performance raising play the role of larger galvanized sheet.
Preferably, the passivation technology refers to：Strip enters horizontal machine for inactivating after going out withdrawal straightening machine, is coated in belt steel surface
One layer of passivating solution, the strip of strip vapor heat exchanger drying later makes passivation liquid film solidify (60~90 DEG C), subsequently into water cooling
Roller makes strip cool to 50 DEG C or less.
Preferably, the galvanizing volume technique that coils into refers to：The galvanizing volume technique that coils into refers to：Coiling machine
It batches product volume → coil stripping car and carries out unloading volume → product volume and travelling bogie → Coil transport trolley is transferred to by finished product by coil stripping car
Migration volume to saddle of weighing is weighed and bundling → have bad luck to warehouse for finished product.
Outlet coiling machine is made of reel, outer support, strap rolling-assisting device, guide board platform, and reel harmomegathus controls the inside and outside of coil of strip
Diameter, outer support are used to support the weight that spring tape comes when batching, and strap rolling-assisting device is used to help take the lead smoothly to crimp.Two sets are batched
Machine is furnished with steel edge portion automatic control device and width of measuring device, and after the extraction of outer spring bearing, coil stripping car is by coil of strip
It is drawn off from mandrel and coil of strip is placed on coil of strip beam.When First coiling machine is run, second coiling machine be crimped and
Threading prepares.Coil of strip is sent by coil stripping car and transport trolley to walking beam is exported, and is filled equipped with weighing device and bundling on walking beam
It sets.
Beneficial effects of the present invention
(1) present invention provides one kind and plating continuous producing line production without zinc flower based on thin slab continuous casting and rolling hot radical raw material and acid
The completely new approach of 600g superelevation zinc layers heat zinc coating plates, can steady production 2.0-3.0mm*1500m specification 600g zinc layers heat zinc coating plates,
Product surface quality is good, dimensional accuracy is high, performance is stablized, and can substitute the cold base of tradition and hot radical product simultaneously.
(2) using the zinc-plated production technology of continuous acid-washing of the present invention compared with traditional zinc-plated production technology of cold base, centre saves
The thin material of mill milling, secondary welding, degreasing, annealing heating flow are omited, energy saving, reduce cost, ton steel cost reduces about
600 yuan, there are considerable economic results in society.
(3) production technology of the invention also has the advantage that a little：High pulling rate, high yield；Wick-containing is depressed；High temperature roughing and
The special Temperature Distribution of strand；Electromagnetic induction heating, flexible modulation made-up belt temperature；Realize that full endless rolling, centre do not have slab
Heating furnace；Economical production ultrathin wideband steel；Rolling line length is short, small investment；It can the uniform high quality heat steel rolling of organization of production performance
Volume；Low energy consumption, and discharge is small, environmental-friendly.
Description of the drawings
Fig. 1 is the surface picture of product described in the embodiment of the present invention 1；
Fig. 2 is the surface picture of product described in the embodiment of the present invention 2.
Specific implementation mode
Embodiment 1
A kind of sheet continuous casting and rolling hot radical raw material and the zinc-plated continuous producing line of pickling produce 600g zinc layers without zinc flower hot-galvanized plate
Process, comprise the following steps that：Stock roll is passed through to be produced completely without head bar strip continuous casting and rolling flow path, is then plated by acid
Continuous producing line carry out pickling, it is smooth, heat, zinc-plated, finishing, be passivated, coiling into galvanizing and roll up, product specification 2.0mm*
1500mm, steel grade DX51D+Z.
Preferably, described refer to completely without head continuous casting and rolling technique of sheet bar：The continuous casting billet of conticaster production is directly entered
High reduction mill is rolled to base among 8mm, and sensed heating furnace enters 5 frame finish rolling after being heated to 1100 DEG C, and section cooling is laggard
Row batches, and in whole process, conticaster has strip to be connected directly to coiling machine, and bundling is carried out by high-speed flying shear before coiling machine.
Preferably, the acid cleaning process refers to：Raw material, which enters broken phosphorus machine, to carry out handling → pickling → rinsing → drying.
Preferably, the flattening process refers to：The flattening process selects the whole setting of double flat, the smooth elongation percentage in stokehold
0.8~1.5%, smooth elongation percentage 1.0~1.5% after stove, planisher is dry flat, to ensure strip surface quality, planisher
Brush roll arrangement is installed afterwards, stokehold increases felt, planisher type：Dry flat/four-roller type, work roll diameter：400-450mm, work
Make roller length：1900mm supports roller diameter：1050-1150mm, support roller length：1900mm, speed：30m/min slows down and adds
Speed：0.7m/s2, roll-force：1500kN, elongation percentage 0.3%.
Preferably, the heating process refers to：Strip enters inlet seal roller → induction heater heating, plate temperature 480
DEG C → electric radiant tube soaking zone is kept the temperature → turns to tower top roller → cyclic spray cooling section → hot idler roller room → stove nose → zinc pot.
Preferably, the zincincation refers to：Strip is immersed in through zinc pot sinking roller in the zinc liquid containing aluminium from stove nose
→ air knife wipes the extra zinc liquid of belt steel surface off, to achieve the purpose that control thickness of coating → cooling blower carry out it is cooling →
Strip enters watch-quench tank → zinc layers calibrator and measures thickness, air pressure 43mbar, height 140mm, distance 15mm, and zinc liquid aluminium contains
Amount 0.27%.
Preferably, the finishing process refers to：Four-roller finishing → finishing liquid cleaning showers → squeeze roller extracts → edge
Purging, polishing machine are four-roller type, and support roller transmission, band hydraulic pressure roll-force controls, automatic to depress, positive and negative roller control.
Preferably, the passivation technology refers to：Strip enters horizontal machine for inactivating after going out withdrawal straightening machine, is coated in belt steel surface
One layer of passivating solution, strip vapor heat exchanger dries strip under the conditions of 60 DEG C later makes passivation liquid film solidify, subsequently into water
Chilling roller makes strip cool to 50 DEG C or less.
Preferably, the galvanizing volume technique that coils into refers to：The galvanizing volume technique that coils into refers to：Coiling machine
It batches product volume → coil stripping car and carries out unloading volume → product volume and travelling bogie → Coil transport trolley is transferred to by finished product by coil stripping car
Migration volume to saddle of weighing is weighed and bundling → have bad luck to warehouse for finished product.
Embodiment 2
A kind of sheet continuous casting and rolling hot radical raw material and the zinc-plated continuous producing line of pickling produce 600g zinc layers without zinc flower hot-galvanized plate
Process, comprise the following steps that：Stock roll is passed through to be produced completely without head bar strip continuous casting and rolling flow path, is then plated by acid
Continuous producing line carry out pickling, it is smooth, heat, zinc-plated, finishing, be passivated, coiling into galvanizing and roll up, product specification 2.0mm*
1500mm, steel grade SGHC.
Preferably, described refer to completely without head continuous casting and rolling technique of sheet bar：The continuous casting billet of conticaster production is directly entered
High reduction mill, is rolled to base among 20mm, and sensed heating furnace enters 5 frame finish rolling after being heated to 1200 DEG C, after section cooling
It is batched, in whole process, conticaster has strip to be connected directly to coiling machine, is divided by high-speed flying shear before coiling machine
Volume.
Preferably, the acid cleaning process refers to：Raw material, which enters broken phosphorus machine, to carry out handling → pickling → rinsing → drying.
Preferably, the flattening process refers to：The flattening process selects the whole setting of double flat, the smooth elongation percentage in stokehold
1.5%, smooth elongation percentage 1.0% after stove, planisher is dry flat, and to ensure strip surface quality, brush roll is installed after planisher
Device, stokehold increase felt, planisher type：Dry flat/four-roller type, work roll diameter：400-450mm, working roll length：
1900mm supports roller diameter：1050-1150mm, support roller length：1900mm, speed：170m/min, deceleration acceleration：
0.7m/s2, roll-force：12000kN, elongation percentage 3.0%.
Preferably, the heating process refers to：Strip enters inlet seal roller → induction heater heating, plate temperature 550
DEG C → electric radiant tube soaking zone is kept the temperature → turns to tower top roller → cyclic spray cooling section → hot idler roller room → stove nose → zinc pot.
Preferably, the zincincation refers to：Strip is immersed in through zinc pot sinking roller in the zinc liquid containing aluminium from stove nose
→ air knife wipes the extra zinc liquid of belt steel surface off, to achieve the purpose that control thickness of coating → cooling blower carry out it is cooling →
Strip enters watch-quench tank → zinc layers calibrator and measures thickness, air pressure 50mbar, height 230mm, distance 18mm, and zinc liquid aluminium contains
Amount 0.3%.
Preferably, the finishing process refers to：Four-roller finishing → finishing liquid cleaning showers → squeeze roller extracts → edge
Purging, polishing machine are four-roller type, and support roller transmission, band hydraulic pressure roll-force controls, automatic to depress, positive and negative roller control.
Preferably, the passivation technology refers to：Strip enters horizontal machine for inactivating after going out withdrawal straightening machine, is coated in belt steel surface
One layer of passivating solution, strip vapor heat exchanger dries strip under the conditions of 90 DEG C later makes passivation liquid film solidify, subsequently into water
Chilling roller makes strip cool to 50 DEG C or less.
Preferably, the galvanizing volume technique that coils into refers to：The galvanizing volume technique that coils into refers to：Coiling machine
It batches product volume → coil stripping car and carries out unloading volume → product volume and travelling bogie → Coil transport trolley is transferred to by finished product by coil stripping car
Migration volume to saddle of weighing is weighed and bundling → have bad luck to warehouse for finished product.
Embodiment 3
A kind of sheet continuous casting and rolling hot radical raw material and the zinc-plated continuous producing line of pickling produce 600g zinc layers without zinc flower hot-galvanized plate
Process, comprise the following steps that：Stock roll is passed through to be produced completely without head bar strip continuous casting and rolling flow path, is then plated by acid
Continuous producing line carry out pickling, it is smooth, heat, zinc-plated, finishing, be passivated, coiling into galvanizing and roll up, product specification 3.0mm*
1500mm, steel grade S350GD+Z.
Preferably, described refer to completely without head continuous casting and rolling technique of sheet bar：The continuous casting billet of conticaster production is directly entered
High reduction mill, is rolled to base among 15mm, and sensed heating furnace enters 5 frame finish rolling after being heated to 1150 DEG C, after section cooling
It is batched, in whole process, conticaster has strip to be connected directly to coiling machine, is divided by high-speed flying shear before coiling machine
Volume.
Preferably, the acid cleaning process refers to：Raw material, which enters broken phosphorus machine, to carry out handling → pickling → rinsing → drying.
Preferably, the flattening process refers to：The flattening process selects the whole setting of double flat, the smooth elongation percentage in stokehold
0.8%, smooth elongation percentage 1.0% after stove, planisher is dry flat, and to ensure strip surface quality, brush roll is installed after planisher
Device, stokehold increase felt, planisher type：Dry flat/four-roller type, work roll diameter：400-450mm, working roll length：
1900mm supports roller diameter：1050-1150mm, support roller length：1900mm, speed：80m/min, deceleration acceleration：0.7m/
s2, roll-force：8000kN, elongation percentage 1.0%.
Preferably, the heating process refers to：Strip enters inlet seal roller → induction heater heating, plate temperature 500
DEG C → electric radiant tube soaking zone is kept the temperature → turns to tower top roller → cyclic spray cooling section → hot idler roller room → stove nose → zinc pot.
Preferably, the zincincation refers to：Strip is immersed in through zinc pot sinking roller in the zinc liquid containing aluminium from stove nose
→ air knife wipes the extra zinc liquid of belt steel surface off, to achieve the purpose that control thickness of coating → cooling blower carry out it is cooling →
Strip enters watch-quench tank → zinc layers calibrator and measures thickness, air pressure 48mbar, height 150mm, distance 16mm, and zinc liquid aluminium contains
Amount 0.28%.
Preferably, the finishing process refers to：Four-roller finishing → finishing liquid cleaning showers → squeeze roller extracts → edge
Purging, polishing machine are four-roller type, and support roller transmission, band hydraulic pressure roll-force controls, automatic to depress, positive and negative roller control.
Preferably, the passivation technology refers to：Strip enters horizontal machine for inactivating after going out withdrawal straightening machine, is coated in belt steel surface
One layer of passivating solution, strip vapor heat exchanger dries strip under the conditions of 80 DEG C later makes passivation liquid film solidify, subsequently into water
Chilling roller makes strip cool to 50 DEG C or less.
Preferably, the galvanizing volume technique that coils into refers to：The galvanizing volume technique that coils into refers to：Coiling machine
It batches product volume → coil stripping car and carries out unloading volume → product volume and travelling bogie → Coil transport trolley is transferred to by finished product by coil stripping car
Migration volume to saddle of weighing is weighed and bundling → have bad luck to warehouse for finished product.
Embodiment 4
A kind of sheet continuous casting and rolling hot radical raw material and the zinc-plated continuous producing line of pickling produce 600g zinc layers without zinc flower hot-galvanized plate
Process, comprise the following steps that：Stock roll is passed through to be produced completely without head bar strip continuous casting and rolling flow path, is then plated by acid
Continuous producing line carry out pickling, it is smooth, heat, zinc-plated, finishing, be passivated, coiling into galvanizing and roll up, product specification 2.0mm*
1500mm, steel grade SGH340.
Preferably, described refer to completely without head continuous casting and rolling technique of sheet bar：The continuous casting billet of conticaster production is directly entered
High reduction mill, is rolled to base among 10mm, and sensed heating furnace enters 5 frame finish rolling after being heated to 1100 DEG C, after section cooling
It is batched, in whole process, conticaster has strip to be connected directly to coiling machine, is divided by high-speed flying shear before coiling machine
Volume.
Preferably, the acid cleaning process refers to：Raw material, which enters broken phosphorus machine, to carry out handling → pickling → rinsing → drying.
Preferably, the flattening process refers to：The flattening process selects the whole setting of double flat, the smooth elongation percentage in stokehold
0.8~1.5%, smooth elongation percentage 1.0~1.5% after stove, planisher is dry flat, to ensure strip surface quality, planisher
Brush roll arrangement is installed afterwards, stokehold increases felt, planisher type：Dry flat/four-roller type, work roll diameter：400-450mm, work
Make roller length：1900mm supports roller diameter：1050-1150mm, support roller length：1900mm, speed：100m/min slows down and adds
Speed：0.7m/s2, roll-force：5000kN, elongation percentage 2.0%.
Preferably, the heating process refers to：Strip enters inlet seal roller → induction heater heating, plate temperature 530
DEG C → electric radiant tube soaking zone is kept the temperature → turns to tower top roller → cyclic spray cooling section → hot idler roller room → stove nose → zinc pot.
Preferably, the zincincation refers to：Strip is immersed in through zinc pot sinking roller in the zinc liquid containing aluminium from stove nose
→ air knife wipes the extra zinc liquid of belt steel surface off, to achieve the purpose that control thickness of coating → cooling blower carry out it is cooling →
Strip enters watch-quench tank → zinc layers calibrator and measures thickness, air pressure 46mbar, height 200mm, distance 16mm, and zinc liquid aluminium contains
Amount 0.27%.
Preferably, the finishing process refers to：Four-roller finishing → finishing liquid cleaning showers → squeeze roller extracts → edge
Purging, polishing machine are four-roller type, and support roller transmission, band hydraulic pressure roll-force controls, automatic to depress, positive and negative roller control.
Preferably, the passivation technology refers to：Strip enters horizontal machine for inactivating after going out withdrawal straightening machine, is coated in belt steel surface
One layer of passivating solution, strip vapor heat exchanger dries strip under the conditions of 60 DEG C later makes passivation liquid film solidify, subsequently into water
Chilling roller makes strip cool to 50 DEG C or less.
Preferably, the galvanizing volume technique that coils into refers to：The galvanizing volume technique that coils into refers to：Coiling machine
It batches product volume → coil stripping car and carries out unloading volume → product volume and travelling bogie → Coil transport trolley is transferred to by finished product by coil stripping car
Migration volume to saddle of weighing is weighed and bundling → have bad luck to warehouse for finished product.
Embodiment 5
A kind of sheet continuous casting and rolling hot radical raw material and the zinc-plated continuous producing line of pickling produce 600g zinc layers without zinc flower hot-galvanized plate
Process, comprise the following steps that：Stock roll is passed through to be produced completely without head bar strip continuous casting and rolling flow path, is then plated by acid
Continuous producing line carry out pickling, it is smooth, heat, zinc-plated, finishing, be passivated, coiling into galvanizing and roll up, product specification 2.0mm*
1500mm, steel grade SGH400.
Preferably, described refer to completely without head continuous casting and rolling technique of sheet bar：The continuous casting billet of conticaster production is directly entered
High reduction mill, is rolled to base among 18mm, and sensed heating furnace enters 5 frame finish rolling after being heated to 1100 DEG C, after section cooling
It is batched, in whole process, conticaster has strip to be connected directly to coiling machine, is divided by high-speed flying shear before coiling machine
Volume.
Preferably, the acid cleaning process refers to：Raw material, which enters broken phosphorus machine, to carry out handling → pickling → rinsing → drying.
Preferably, the flattening process refers to：The flattening process selects the whole setting of double flat, the smooth elongation percentage in stokehold
1.5%, smooth elongation percentage 1.5% after stove, planisher is dry flat, and to ensure strip surface quality, brush roll is installed after planisher
Device, stokehold increase felt, planisher type：Dry flat/four-roller type, work roll diameter：400-450mm, working roll length：
1900mm supports roller diameter：1050-1150mm, support roller length：1900mm, speed：80m/min, deceleration acceleration：0.7m/
s2, roll-force：3500kN, elongation percentage 1.5%.
Preferably, the heating process refers to：Strip enters inlet seal roller → induction heater heating, plate temperature 480
DEG C → electric radiant tube soaking zone is kept the temperature → turns to tower top roller → cyclic spray cooling section → hot idler roller room → stove nose → zinc pot.
Preferably, the zincincation refers to：Strip is immersed in through zinc pot sinking roller in the zinc liquid containing aluminium from stove nose
→ air knife wipes the extra zinc liquid of belt steel surface off, to achieve the purpose that control thickness of coating → cooling blower carry out it is cooling →
Strip enters watch-quench tank → zinc layers calibrator and measures thickness, air pressure 43mbar, height 230mm, distance 15mm, and zinc liquid aluminium contains
Amount 0.3%.
Preferably, the finishing process refers to：Four-roller finishing → finishing liquid cleaning showers → squeeze roller extracts → edge
Purging, polishing machine are four-roller type, and support roller transmission, band hydraulic pressure roll-force controls, automatic to depress, positive and negative roller control.
Preferably, the passivation technology refers to：Strip enters horizontal machine for inactivating after going out withdrawal straightening machine, is coated in belt steel surface
One layer of passivating solution, strip vapor heat exchanger dries strip under the conditions of 90 DEG C later makes passivation liquid film solidify, subsequently into water
Chilling roller makes strip cool to 50 DEG C or less.
Preferably, the galvanizing volume technique that coils into refers to：The galvanizing volume technique that coils into refers to：Coiling machine
It batches product volume → coil stripping car and carries out unloading volume → product volume and travelling bogie → Coil transport trolley is transferred to by finished product by coil stripping car
Migration volume to saddle of weighing is weighed and bundling → have bad luck to warehouse for finished product.
Embodiment 6
A kind of sheet continuous casting and rolling hot radical raw material and the zinc-plated continuous producing line of pickling produce 600g zinc layers without zinc flower hot-galvanized plate
Process, comprise the following steps that：Stock roll is passed through to be produced completely without head bar strip continuous casting and rolling flow path, is then plated by acid
Continuous producing line carry out pickling, it is smooth, heat, zinc-plated, finishing, be passivated, coiling into galvanizing and roll up, product specification 2.0mm*
1500mm, steel grade CSB.
Preferably, described refer to completely without head continuous casting and rolling technique of sheet bar：The continuous casting billet of conticaster production is directly entered
High reduction mill, is rolled to base among 15mm, and sensed heating furnace enters 5 frame finish rolling after being heated to 1200 DEG C, after section cooling
It is batched, in whole process, conticaster has strip to be connected directly to coiling machine, is divided by high-speed flying shear before coiling machine
Volume.
Preferably, the acid cleaning process refers to：Raw material, which enters broken phosphorus machine, to carry out handling → pickling → rinsing → drying.
Preferably, the flattening process refers to：The flattening process selects the whole setting of double flat, the smooth elongation percentage in stokehold
0.8%, smooth elongation percentage 1.5% after stove, planisher is dry flat, and to ensure strip surface quality, brush roll is installed after planisher
Device, stokehold increase felt, planisher type：Dry flat/four-roller type, work roll diameter：400-450mm, working roll length：
1900mm supports roller diameter：1050-1150mm, support roller length：1900mm, speed：90m/min, deceleration acceleration：0.7m/
s2, roll-force：9500kN, elongation percentage 0.3-3.0%.
Preferably, the heating process refers to：Strip enters inlet seal roller → induction heater heating, plate temperature 530
DEG C → electric radiant tube soaking zone is kept the temperature → turns to tower top roller → cyclic spray cooling section → hot idler roller room → stove nose → zinc pot.
Preferably, the zincincation refers to：Strip is immersed in through zinc pot sinking roller in the zinc liquid containing aluminium from stove nose
→ air knife wipes the extra zinc liquid of belt steel surface off, to achieve the purpose that control thickness of coating → cooling blower carry out it is cooling →
Strip enters watch-quench tank → zinc layers calibrator and measures thickness, air pressure 50mbar, height 230mm, distance 18mm, and zinc liquid aluminium contains
Amount 0.3%.
Preferably, the finishing process refers to：Four-roller finishing → finishing liquid cleaning showers → squeeze roller extracts → edge
Purging, polishing machine are four-roller type, and support roller transmission, band hydraulic pressure roll-force controls, automatic to depress, positive and negative roller control.
Preferably, the passivation technology refers to：Strip enters horizontal machine for inactivating after going out withdrawal straightening machine, is coated in belt steel surface
One layer of passivating solution, strip vapor heat exchanger dries strip under the conditions of 60 DEG C later makes passivation liquid film solidify, subsequently into water
Chilling roller makes strip cool to 50 DEG C or less.
Preferably, the galvanizing volume technique that coils into refers to：The galvanizing volume technique that coils into refers to：Coiling machine
It batches product volume → coil stripping car and carries out unloading volume → product volume and travelling bogie → Coil transport trolley is transferred to by finished product by coil stripping car
Migration volume to saddle of weighing is weighed and bundling → have bad luck to warehouse for finished product.
The performance of embodiment 1-6 products obtained therefroms is as shown in table 1：
1. properties of product table of table
Claims (9)
1. a kind of sheet continuous casting and rolling hot radical raw material and the zinc-plated continuous producing line of pickling produce 600g zinc layers without zinc flower hot-galvanized plate
Process, which is characterized in that comprise the following steps that：Stock roll is passed through to be produced completely without head bar strip continuous casting and rolling flow path, so
Afterwards by acid plate continuous producing line carry out pickling, it is smooth, heat, zinc-plated, finishing, be passivated, coil into galvanizing and roll up, product specification
2.0 ~ 3.0mm*1500mm, zinc layers 600g/m2/ two-sided.
2. sheet continuous casting and rolling hot radical raw material and the zinc-plated continuous producing line of pickling produce 600g zinc layers without zinc according to claim 1
The process of flower hot-galvanized plate, which is characterized in that described to refer to completely without head continuous casting and rolling technique of sheet bar：Conticaster production
Continuous casting billet is directly entered high reduction mill, is rolled to base among 8-20mm, sensed heating furnace be heated to 1100-1200 DEG C it is laggard
Enter 5 frame finish rolling, is batched after section cooling.
3. sheet continuous casting and rolling hot radical raw material and the zinc-plated continuous producing line of pickling produce 600g zinc layers without zinc according to claim 1
The process of flower hot-galvanized plate, which is characterized in that the acid cleaning process refers to：Raw material, which enters broken phosphorus machine, to carry out handling → pickling
→ rinsing → drying.
4. sheet continuous casting and rolling hot radical raw material and the zinc-plated continuous producing line of pickling produce 600g zinc layers without zinc according to claim 1
The process of flower hot-galvanized plate, which is characterized in that the flattening process refers to：The flattening process selects the whole setting of double flat,
The smooth elongation percentage 0.8 ~ 1.5% in stokehold, smooth elongation percentage 1.0 ~ 1.5% after stove, planisher is dry flat, to ensure belt steel surface matter
It measures, installation brush roll arrangement, stokehold increase felt, planisher type after planisher：Dry flat/four-roller type, work roll diameter：400-
450 mm, working roll length：1900mm supports roller diameter：1050-1150 mm, support roller length：1900mm, speed：30-
170m/min, deceleration acceleration：0.7 m/s2, roll-force：1500-12000kN, elongation percentage 0.3-3.0%.
5. sheet continuous casting and rolling hot radical raw material and the zinc-plated continuous producing line of pickling produce 600g zinc layers without zinc according to claim 1
The process of flower hot-galvanized plate, which is characterized in that the heating process refers to：Strip enters inlet seal roller → sensing heating
Device heat, 480 ~ 550 DEG C of plate temperature → electric radiant tube soaking zone is kept the temperature → turn to tower top roller → cyclic spray cooling section → strip into
Enter hot idler roller room → strip and enters stove nose → zinc pot.
6. sheet continuous casting and rolling hot radical raw material and the zinc-plated continuous producing line of pickling produce 600g zinc layers without zinc according to claim 1
The process of flower hot-galvanized plate, which is characterized in that the zincincation refers to：Strip is immersed from stove nose through zinc pot sinking roller
To in zinc liquid → air knife wipes the extra zinc liquid of belt steel surface off, to achieve the purpose that control thickness of coating → cooling blower into
Row cooling → strip enters watch-quench tank → zinc layers calibrator and measures thickness；43 ~ 50mbar of air pressure, 140 ~ 230mm of height, away from
From 15 ~ 18mm, zinc liquid aluminium content 0.27 ~ 0.3%.
7. sheet continuous casting and rolling hot radical raw material and the zinc-plated continuous producing line of pickling produce 600g zinc layers without zinc according to claim 1
The process of flower hot-galvanized plate, which is characterized in that the finishing process refers to：Four-roller finishing → finishing liquid cleaning showers → squeeze
Dry roller extracts → edge purging, and polishing machine is four-roller type, and support roller transmission, band hydraulic pressure roll-force controls, automatic to depress, positive and negative curved
Roller controls.
8. sheet continuous casting and rolling hot radical raw material and the zinc-plated continuous producing line of pickling produce 600g zinc layers without zinc according to claim 1
The process of flower hot-galvanized plate, which is characterized in that the passivation technology refers to：Strip enters horizontal passivation after going out withdrawal straightening machine
Machine coats one layer of passivating solution in belt steel surface, and strip vapor heat exchanger dry strip under the conditions of 60~90 DEG C makes blunt later
Change liquid film solidification, so that strip is cooled to 50 DEG C or less subsequently into water cooled rolls.
9. sheet continuous casting and rolling hot radical raw material and the zinc-plated continuous producing line of pickling produce 600g zinc layers without zinc according to claim 1
The process of flower hot-galvanized plate, which is characterized in that the galvanizing volume technique that coils into refers to：It is described to coil into galvanizing volume
Technique refers to：Coiling machine batch product volume → coil stripping car unload volume → product volume by coil stripping car be transferred to travelling bogie →
Product volume is transferred to saddle of weighing and weighed and bundling → have bad luck to warehouse for finished product by Coil transport trolley.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109797347A (en) * | 2019-02-28 | 2019-05-24 | 日照钢铁控股集团有限公司 | A kind of 400MPa grades of floor support plate industry hot radical is without spangle high-strength galvanizing plate and its production method |
| CN109797355A (en) * | 2019-01-31 | 2019-05-24 | 日照宝华新材料有限公司 | A kind of production technology of great surface quality thin gauge hot rolling acid-cleaning galvanized sheet |
| CN110565003A (en) * | 2019-08-30 | 2019-12-13 | 日照钢铁控股集团有限公司 | Production process of hot-dip galvanized sheet without zinc flower and with 0.9-2.5mm thick zinc layer |
| CN112195429A (en) * | 2020-09-25 | 2021-01-08 | 河钢股份有限公司承德分公司 | Zinc-free flower 900g/m2Production method of double-sided super-thick zinc layer galvanized plate |
| CN115233132A (en) * | 2022-06-08 | 2022-10-25 | 河钢股份有限公司承德分公司 | Method for controlling edge curling thickness of non-flower hot-base galvanized steel |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101532118A (en) * | 2008-03-11 | 2009-09-16 | 宝山钢铁股份有限公司 | Device for hot-dip coating Al-Zn (aluminum-zincic) on super high-strength band steel and processing technology |
| CN102732780A (en) * | 2012-06-18 | 2012-10-17 | 首钢总公司 | Hot galvanized plate used for refrigerator outer plate, and production method thereof |
| JP2015063729A (en) * | 2013-09-25 | 2015-04-09 | 新日鐵住金株式会社 | 440 MPa CLASS HIGH STRENGTH ALLOYED HOT-DIP GALVANIZED STEEL SHEET EXCELLENT IN DEEP DRAWABILITY AND PRODUCTION METHOD THEREOF |
| CN106103783A (en) * | 2014-01-22 | 2016-11-09 | Sms集团有限公司 | Method and apparatus for hot-dip hot rolled strip |
| CN107012418A (en) * | 2017-04-07 | 2017-08-04 | 浙江梅轮电梯股份有限公司 | A kind of elevator galvanized steel plain sheet and its manufacture method |
| CN107523749A (en) * | 2017-07-31 | 2017-12-29 | 日照钢铁控股集团有限公司 | Based on the method that cutter high-carbon steel is produced completely without head bar strip continuous casting and rolling flow path |
-
2018
- 2018-02-01 CN CN201810102736.8A patent/CN108480417B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101532118A (en) * | 2008-03-11 | 2009-09-16 | 宝山钢铁股份有限公司 | Device for hot-dip coating Al-Zn (aluminum-zincic) on super high-strength band steel and processing technology |
| CN102732780A (en) * | 2012-06-18 | 2012-10-17 | 首钢总公司 | Hot galvanized plate used for refrigerator outer plate, and production method thereof |
| JP2015063729A (en) * | 2013-09-25 | 2015-04-09 | 新日鐵住金株式会社 | 440 MPa CLASS HIGH STRENGTH ALLOYED HOT-DIP GALVANIZED STEEL SHEET EXCELLENT IN DEEP DRAWABILITY AND PRODUCTION METHOD THEREOF |
| CN106103783A (en) * | 2014-01-22 | 2016-11-09 | Sms集团有限公司 | Method and apparatus for hot-dip hot rolled strip |
| CN107012418A (en) * | 2017-04-07 | 2017-08-04 | 浙江梅轮电梯股份有限公司 | A kind of elevator galvanized steel plain sheet and its manufacture method |
| CN107523749A (en) * | 2017-07-31 | 2017-12-29 | 日照钢铁控股集团有限公司 | Based on the method that cutter high-carbon steel is produced completely without head bar strip continuous casting and rolling flow path |
Non-Patent Citations (1)
| Title |
|---|
| 张译中: "薄规格热轧酸洗镀锌板的工艺特点及发展概况", 《上海金属》 * |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109797355A (en) * | 2019-01-31 | 2019-05-24 | 日照宝华新材料有限公司 | A kind of production technology of great surface quality thin gauge hot rolling acid-cleaning galvanized sheet |
| CN109797347A (en) * | 2019-02-28 | 2019-05-24 | 日照钢铁控股集团有限公司 | A kind of 400MPa grades of floor support plate industry hot radical is without spangle high-strength galvanizing plate and its production method |
| CN110565003A (en) * | 2019-08-30 | 2019-12-13 | 日照钢铁控股集团有限公司 | Production process of hot-dip galvanized sheet without zinc flower and with 0.9-2.5mm thick zinc layer |
| CN112195429A (en) * | 2020-09-25 | 2021-01-08 | 河钢股份有限公司承德分公司 | Zinc-free flower 900g/m2Production method of double-sided super-thick zinc layer galvanized plate |
| CN112195429B (en) * | 2020-09-25 | 2022-08-23 | 河钢股份有限公司承德分公司 | Zinc-free flower 900g/m 2 Production method of galvanized sheet with double-sided ultra-thick zinc layer |
| CN115233132A (en) * | 2022-06-08 | 2022-10-25 | 河钢股份有限公司承德分公司 | Method for controlling edge curling thickness of non-flower hot-base galvanized steel |
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Denomination of invention: Method for producing 600g zinc layer non zinc flower hot dip galvanized sheet based on thin slab continuous casting and rolling hot base raw material and acid plating continuous production line Effective date of registration: 20211222 Granted publication date: 20210413 Pledgee: Rizhao Bank Co., Ltd Pledgor: RIZHAO BAOHUA NEW MATERIAL CO.,LTD. Registration number: Y2021980015871 |