CN110328069A - Quick curing method and its device after belt steel surface electrostatic spraying powder - Google Patents
Quick curing method and its device after belt steel surface electrostatic spraying powder Download PDFInfo
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- CN110328069A CN110328069A CN201910516460.2A CN201910516460A CN110328069A CN 110328069 A CN110328069 A CN 110328069A CN 201910516460 A CN201910516460 A CN 201910516460A CN 110328069 A CN110328069 A CN 110328069A
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- electrostatic spraying
- curing
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- 238000001723 curing Methods 0.000 title claims abstract description 66
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 62
- 239000010959 steel Substances 0.000 title claims abstract description 62
- 239000000843 powder Substances 0.000 title claims abstract description 35
- 238000007590 electrostatic spraying Methods 0.000 title claims abstract description 17
- 238000000576 coating method Methods 0.000 claims abstract description 59
- 239000011248 coating agent Substances 0.000 claims abstract description 51
- 238000007711 solidification Methods 0.000 claims abstract description 33
- 230000008023 solidification Effects 0.000 claims abstract description 33
- 238000001816 cooling Methods 0.000 claims abstract description 25
- 238000002844 melting Methods 0.000 claims abstract description 17
- 230000008018 melting Effects 0.000 claims abstract description 17
- 238000004140 cleaning Methods 0.000 claims abstract description 14
- 230000008859 change Effects 0.000 claims abstract description 13
- 238000010422 painting Methods 0.000 claims abstract description 12
- 230000005855 radiation Effects 0.000 claims abstract description 8
- 238000010438 heat treatment Methods 0.000 claims abstract description 7
- 238000004804 winding Methods 0.000 claims description 12
- 238000007789 sealing Methods 0.000 claims description 9
- 239000011490 mineral wool Substances 0.000 claims description 8
- 238000007712 rapid solidification Methods 0.000 claims description 8
- 238000001035 drying Methods 0.000 claims description 6
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 claims description 5
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 5
- 238000010926 purge Methods 0.000 claims description 5
- 229910001220 stainless steel Inorganic materials 0.000 claims description 5
- 239000010935 stainless steel Substances 0.000 claims description 5
- 238000009413 insulation Methods 0.000 claims description 4
- 239000006185 dispersion Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 11
- 238000005238 degreasing Methods 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 description 12
- 238000005507 spraying Methods 0.000 description 6
- 239000000463 material Substances 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 4
- 238000001514 detection method Methods 0.000 description 4
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 3
- ZCDOYSPFYFSLEW-UHFFFAOYSA-N chromate(2-) Chemical compound [O-][Cr]([O-])(=O)=O ZCDOYSPFYFSLEW-UHFFFAOYSA-N 0.000 description 3
- 229910052804 chromium Inorganic materials 0.000 description 3
- 239000011651 chromium Substances 0.000 description 3
- 238000005237 degreasing agent Methods 0.000 description 3
- 239000013527 degreasing agent Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 229940098458 powder spray Drugs 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 229910019142 PO4 Inorganic materials 0.000 description 2
- 238000007664 blowing Methods 0.000 description 2
- 229910001430 chromium ion Inorganic materials 0.000 description 2
- 238000009500 colour coating Methods 0.000 description 2
- 239000000567 combustion gas Substances 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 238000004132 cross linking Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 239000004519 grease Substances 0.000 description 2
- 238000007603 infrared drying Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 2
- 239000010452 phosphate Substances 0.000 description 2
- 238000005498 polishing Methods 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000010008 shearing Methods 0.000 description 2
- 238000010792 warming Methods 0.000 description 2
- 239000005995 Aluminium silicate Substances 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- PZZYQPZGQPZBDN-UHFFFAOYSA-N aluminium silicate Chemical compound O=[Al]O[Si](=O)O[Al]=O PZZYQPZGQPZBDN-UHFFFAOYSA-N 0.000 description 1
- 229910000323 aluminium silicate Inorganic materials 0.000 description 1
- 235000012211 aluminium silicate Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000004049 embossing Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000006115 industrial coating Substances 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 239000004922 lacquer Substances 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 238000002161 passivation Methods 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 238000002203 pretreatment Methods 0.000 description 1
- 238000007761 roller coating Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 230000004083 survival effect Effects 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 210000002268 wool Anatomy 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B16/00—Spray booths
- B05B16/20—Arrangements for spraying in combination with other operations, e.g. drying; Arrangements enabling a combination of spraying operations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B5/00—Electrostatic spraying apparatus; Spraying apparatus with means for charging the spray electrically; Apparatus for spraying liquids or other fluent materials by other electric means
- B05B5/08—Plant for applying liquids or other fluent materials to objects
- B05B5/081—Plant for applying liquids or other fluent materials to objects specially adapted for treating particulate materials
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/02—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by baking
- B05D3/0209—Multistage baking
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/02—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by baking
- B05D3/0254—After-treatment
- B05D3/0263—After-treatment with IR heaters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/04—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to gases
- B05D3/0406—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to gases the gas being air
- B05D3/0413—Heating with air
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/04—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to gases
- B05D3/0486—Operating the coating or treatment in a controlled atmosphere
Landscapes
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
The present invention relates to a kind of steel band coating process and its device more particularly to a kind of quick curing methods and its device after belt steel surface electrostatic spraying powder, belong to steel band application techniques field.A kind of quick curing method after belt steel surface electrostatic spraying powder, include the following steps: that (1) steel band passes through decoiling equipment uncoiling, (2) degreasing plant carries out prerinse, (3) secondary cleaning device is cleaned, (4) change the painting of coating device progress, (5) curing oven solidifies, (6) wrap-up is wound, strip is after changing and applying by the melting plant of curing oven, make on strip, the powder coating of lower surface reaches molten condition, keep strip curing of coatings uniform using the leveling device of curing oven, it is cooling that band steel coating after the completion of solidification enters cooling device, melting plant uses radiant panel heating radiation, leveling device is vibrated using ultrasonic vibration apparatus.
Description
Technical field
The present invention relates to a kind of steel band coating process and its devices, more particularly to one kind is in belt steel surface electrostatic spraying powder
Quick curing method and its device afterwards belong to steel band application techniques field.
Background technique
Metal coiled material is painted before cutting, forming, being fabricated to finished product, pre-coated steel plate is made by continuous coiled material strip
Referred to as coloured painted coat steel plate.Present coloured coating plate technique has become main industrial coating technology.Stream with steel coating
Aquatic producing line are as follows: uncoiling Auxiliary support, uncoiler, upper volume trolley, saddle, 1# uncoiling pinch machine, whole line bracket, 2# uncoiling pinch
Machine converges pinch machine, press, 1# tensioning device, independent steering roller, preceding loop, the small carrying roller of 1#, 1# transducer, detection device branch
Frame, 2# tensioning device, 1# carrying roller, pre-treatment unit, power squeezing machine, roller brush machine, exhaust system, 1# hot-air blowing, 2# transducer,
Coating system, 2# cold wind purging, curing oven, pendency detection support, 2# by force cold support roller, strong device for cooling, 1# pinch formula transducer,
Strong cold squeezing machine, 2# hot-air blowing, 4# tensioning device, rear loop, cold overlay film unit, checks platform, 5# tensioning at strong cold slewing rollers
Machine, winding pinch machine, winder, winding Auxiliary support, last volume trolley, rolling-assisting device, feeding platform, workshop pipeline, hydraulic system,
Pneumatic system, changes painting machine liquid-supplying system, 1# cutter, riveting machine, riveting machine mold, CPC centralising device, weld seam at electric-control system
Detection device, pendency detection, infrared panel Wen Yi, 2# cutter, EPC centralising device.
Metal as coils on on uncoiler, the first step is prerinse in production line, is gone using degreasing agent
Except the grease of belt steel surface, and use the physical pollutant of roller brush polishing removing belt steel surface.Then strip is sent to entrance storage
In survival set (buildup frame), loop back roll movement can accumulate the strip of greater depth.When a coiled strip steel end of run, loop is opened
Begin release strip, while next coiled strip steel and a upper coiled strip steel being stitched together, strip is continuously fed to production line and
This technique will not be interrupted.In next step, strip is sent into chemical treatment area, is first cleaned with degreasing agent, then scrubbed with brush roll.Then it adopts
It is passivated and is closed with phosphate, chromate and composite oxides, formed one layer of chemical composition coating in surface of steel plate, chromium can also be used
The mode of hydrochlorate coating forms the immersion coating of one layer of chromium ion containing weight in surface of steel plate.Some production lines are using painting chromium process
When, a kind of surface conditioner can be increased before applying chromium, the medicament used can be weak acid or alkalescent.Then, by strip
It dries and finally send to roll coater and oven.Relatively common technique be there are two coating section, each roll coater followed by
An oven.It is often dried after coating prime lacquer, then another road finishing coat of coating and back paint again.Some production lines can be set
It sets a lamination laminator or embossing machine and coating unit is online, but this mode is not popularized, because of the life of both products
It is slower to produce speed, seriously affects the efficiency of production line.
Patent CN101249605B discloses a kind of metal coiled material color coating production method and process units, is opened by strip
Volume: uncoiler is used, No. 1 steel band material volume is gradually spread out, No. 1 strip is obtained；No. 1 strip pinches: using clamping and conveying device by No. 1
Steel band downstream transport；No. 1 strip entrance shearing；Converge pinch；Riveting；It flattens；Entry loop；Degreasing；Washing；Change and applies；Change
Apply drying；Powder spray: in steel strip surface dusty spray coating；Spraying solidification: it is carried out at powder coating solidification in curing oven
Reason；Qiang Leng after solidification；Outlet looping；Cold overlay film；Cut preceding pinch；Discharging shearing；Rewinding pinches；Winding.260 are equipped in curing oven
DEG C circulating air, and be located at curing oven entrance location at be equipped with infrared (NIR) irradiated heat device.By using above-mentioned side
Method and device may be implemented the application techniques of " being painted with powder generation ", improve environment, improve the production efficiency of color steel, can be extensive
Applied in steel plate color-coating, there is good IP prospecting and application potential.
Patent CN205904083U discloses a kind of ultraviolet plus infrared radiation heating equipment of plate surface powder curing, should
Equipment is made of infrared drying tunnel, uv oven and hanging plate assembly line；It is red when equipment carries out infrared attribute powder spray
Melt two sections of flat section, one section of solidification and solidification in outer drying tunnel start, and uv oven is closed；When equipment carries out ultraviolet category
Property powder spray when, will in infrared drying tunnel melt flat section and uv oven starting, and will solidify one section and solidification two sections
It closes, even if being in non high temperature state in two sections of one section of solidification and solidification, the solidification of ultraviolet attribute powder will not be influenced.This sets
The standby spraying solidification that can be used in infrared attribute powder and ultraviolet attribute powder, and the MDF plate surface that the equipment is produced
Spraying is uniform, pore-free is fully sealed in envelope glaze layer, it is often more important that the equipment can be suitble to the spraying of large scale MDF plate to make
Industry.
Although above-mentioned patent solves the application techniques of large size plate spraying and " painting with powder generation ", improve the life of color steel
Efficiency is produced, still, still coating can not be easy to appear after even spread and curing of coatings after solidification in the presence of band steel coating
The phenomenon that bringing up skin.
Summary of the invention
In view of the above problems, the present invention provides a kind of quick curing method after belt steel surface electrostatic spraying powder and its
Device.
The technical scheme to solve the above technical problems is that
A kind of quick curing method after belt steel surface electrostatic spraying powder includes the following steps: (1) steel band by opening
Winding apparatus uncoiling, (2) cleaning device are cleaned, and (3) change the painting of coating device progress, the solidification of (4) curing oven, (5) wrap-up
Winding, strip, by the melting plant of curing oven, make the powder coating of strip upper and lower surfaces reach molten condition after changing and applying,
Keep strip curing of coatings uniform using the leveling device of curing oven, it is cold that the band steel coating after the completion of solidifying enters cooling device
But, melting plant uses radiant panel heating radiation, and leveling device is vibrated using ultrasonic vibration apparatus, makes the dispersion of band steel coating more
Adding uniformly, using the mode solidify coating of lapse of temperature step by step, cooling device purges for cold wind to cool down solidification equipment to curing oven,
Wrap-up winds the strip after solidification.
Preferably, a kind of rapid solidification device after belt steel surface electrostatic spraying powder successively includes decoiling equipment, clear
Cleaning device, change coating device, curing oven and wrap-up, decoiling equipment include uncoiler, 1# uncoiling pinch machine, whole line bracket and 2#
Uncoiling pinch machine, cleaning device include roller brush machine I and roller brush machine II, and changing coating device includes changing painting machine and steam drying oven, solidification
Furnace includes melting plant, leveling device, solidification equipment and cooling device, and wrap-up includes winding pinch machine and winder, is melted
Melt device include the radiant panel set gradually, hot-blast stove and labyrinth type plate snapping seal structure, radiant panel and hot-blast stove according to
Secondary to be mounted on curing oven, labyrinth type plate snapping seal structure is located at the top of curing oven, and leveling device includes and solidification
The sealing supporter of furnace connection, sealing supporter is interior to be equipped with supersonic generator, and solidification equipment includes being mounted on curing oven
Temperature control system, temperature control system include explosion-prevention high temperature-resistance blower I, explosion-prevention high temperature-resistance blower II and explosion-prevention high temperature-resistance blower
III, cooling device includes the air-cooler being mounted on furnace body.
Preferably, furnace body outer layer is successively arranged outside plate and insulating layer, and outside plate is rock wool heat-insulation sandwich plate, and insulating layer is resistance to height
Warm rock wool and alumina silicate felt.
Preferably, hot-blast stove is connect with air supply tube I, and air supply tube I is installed along furnace body length direction.
Preferably, air supply tube I is stainless steel air supply tube, and being evenly equipped on air supply tube I can tuning type air outlet.
Preferably, explosion-prevention high temperature-resistance blower I, explosion-prevention high temperature-resistance blower II and explosion-prevention high temperature-resistance blower III respectively with air supply tube
II, air supply tube III and air supply tube IV connect.
Preferably, curing oven further includes conveying device, and conveying device is that a pair is separately positioned at left and right sides of curing oven
Conveying roller.
Compared with prior art, the beneficial effects of the present invention are: when the powder with steel coating being made to reach molten condition, it is ensured that
Strip powder when entering curing oven will not be blown off, using infrared technique, directly heated steel plate through coating, made steel plate quick
It is warming up to 180-220 DEG C, improves powder cross-linking reaction process inside curing oven, to reach high speed limit, the production of high production capacity.Using resistance to
High-temperature explosion-proof blower is energy-saving type frequency conversion speed regulating control, adjusts temperature range at any time.Ultrasonic wave is equipped in sealing supporter
Device, making to be more evenly distributed in the molten state with steel coating, it is closer to combine, and orange peel phenomenon is not likely to produce after solidification.Furnace body uses
Labyrinth type plate snapping sealing structure, can effectively prevent the heat leakage of heat and system, inner panel stainless steel plate.Can tuning type give
Air port makes hot wind uniformly be sent to the surface of steel plate that roller coating is crossed, and makes steel plate thermally equivalent, the adjusting size that air outlet can be convenient,
So as to the temperature requirement in regulating stove along its length.
Detailed description of the invention
Fig. 1 is flow diagram of the invention,
Fig. 2 is the decoiling equipment enlarged drawing of Fig. 1,
Fig. 3 is the cleaning device enlarged drawing of Fig. 1,
Fig. 4 is the change coating device enlarged drawing of Fig. 1,
Fig. 5 is the curing oven enlarged drawing of Fig. 1,
Fig. 6 is the wrap-up enlarged drawing of Fig. 1,
Fig. 7 is curing oven overall schematic of the invention,
Fig. 8 is curing oven internal perspective view of the invention,
Fig. 9 is Fig. 7 melting plant enlarged drawing,
Figure 10 is Fig. 7 leveling device, solidification equipment and cooling device enlarged drawing.
1, decoiling equipment in the figure；2, cleaning device；3, change coating device；4, curing oven；5, wrap-up；6, uncoiler；
7,1# uncoiling pinch machine；8, whole line bracket；9,2# uncoiling pinch machine；10, roller brush machine I；11, roller brush machine II；12, change painting machine；13,
Steam drying oven；14, melting plant；15, leveling device；16, solidification equipment；17, cooling device；18, pinch machine is wound；19,
Winder；20, radiant panel；21, hot-blast stove；22, labyrinth type plate snapping seal structure；23, furnace body；24, supporter is sealed；
25, supersonic generator；26, explosion-prevention high temperature-resistance blower I；27, explosion-prevention high temperature-resistance blower II；28, explosion-prevention high temperature-resistance blower III；
29, air-cooler；30, outside plate；31, insulating layer；32, air supply tube I；33, air supply tube II；34, air supply tube III；35, air supply tube IV；
36, conveying roller.
Specific embodiment
The principle and features of the present invention will be described below with reference to the accompanying drawings, and the given examples are served only to explain the present invention, and
It is non-to be used to limit the scope of the invention.
A kind of quick curing method after belt steel surface electrostatic spraying powder includes the following steps: (1) steel band by opening
Winding apparatus uncoiling, (2) cleaning device are cleaned, and (3) change the painting of coating device progress, the solidification of (4) curing oven, (5) wrap-up
Winding, strip, by the melting plant of curing oven, make the powder coating of strip upper and lower surfaces reach molten condition after changing and applying,
Keep strip curing of coatings uniform using the leveling device of curing oven, it is cold that the band steel coating after the completion of solidifying enters cooling device
But, melting plant uses radiant panel heating radiation, and leveling device is vibrated using ultrasonic vibration apparatus, makes the dispersion of band steel coating more
Add uniformly, for solidification equipment using the mode solidify coating of lapse of temperature step by step, cooling device is cold wind purging cooling, wrap-up
By the strip winding after solidification.
A kind of rapid solidification device after belt steel surface electrostatic spraying powder successively includes decoiling equipment 1, cleaning device
2, change coating device 3, curing oven 4 and wrap-up 5, decoiling equipment 1 includes uncoiler 6,1# uncoiling pinch machine 7, whole 8 and of line bracket
2# uncoiling pinch machine 9, cleaning device 2 include roller brush machine I 10 and roller brush machine II 11, and changing coating device 3 includes changing painting machine 12 and steam
Drying oven 13, curing oven 4 include melting plant 14, leveling device 15, solidification equipment 16 and cooling device 17, and wrap-up 5 wraps
Winding pinch machine 18 and winder 19 are included, melting plant 14 includes that radiant panel 20, hot-blast stove 21 and the labyrinth type set gradually is inserted
Plate snapping seal structure 22, radiant panel 20 and hot-blast stove 21 are sequentially arranged on curing oven 4, and curing oven 4 includes furnace body 23, fan
Palace formula plate snapping seal structure 22 is located at 23 top of furnace body, and leveling device 15 includes the sealing support connecting with curing oven 4
Body 24, sealing supporter 24 is interior to be equipped with supersonic generator 25, and solidification equipment 16 includes the temperature control being mounted on curing oven 4
System, temperature control system include explosion-prevention high temperature-resistance blower I 26, explosion-prevention high temperature-resistance blower II 27 and explosion-prevention high temperature-resistance blower III
28, cooling device 17 includes the air-cooler 29 being mounted on furnace body 23.23 top layer of furnace body is successively arranged outside plate 30 and insulating layer 31,
Outside plate 30 is rock wool heat-insulation sandwich plate, and insulating layer 31 is high temperature resistant rock wool or alumina silicate felt.Hot-blast stove 21 and air supply tube I 32 connect
It connects, air supply tube I 32 is installed along 23 length direction of furnace body.Air supply tube I 32 is stainless steel air supply tube, and being evenly equipped on air supply tube I 32 can
Tuning type air outlet.Explosion-prevention high temperature-resistance blower I 26, explosion-prevention high temperature-resistance blower II 27 and explosion-prevention high temperature-resistance blower III 28 respectively with give
Air hose II 33, air supply tube III 34 and air supply tube IV 35 connect.Curing oven 4 further includes conveying device, and conveying device is a pair of of difference
The conveying roller 36 of 4 left and right sides of curing oven is set.
Working principle
Strip is admitted to degreasing plant progress prerinse after passing through decoiling equipment uncoiling, and degreasing agent is used to remove belt steel surface
Grease, then be admitted to cleaning device and cleaned, and remove the physical pollutant of belt steel surface using the polishing of roller brush, first with de-
Rouge agent cleaning, then scrubbed with brush roll.Then using phosphate, chromate and composite oxides passivation closing, in surface of steel plate shape
At one layer of chemical composition coating, the chemistry of one layer of chromium ion containing weight can also be formed in surface of steel plate by the way of chromate coating
Coating, and dry.Subsequently entering coating device progress painting enters back into curing oven solidification, then the winding of rolling device, strip warp
Change the melting plant after applying by curing oven, so that the powder coating of strip upper and lower surfaces is reached molten condition, using curing oven
Leveling device keep strip curing of coatings uniform, the band steel coating after the completion of solidifying entering that cooling device is cooling, and melting plant makes
With radiant panel heating radiation, leveling device is vibrated using ultrasonic vibration apparatus, disperses band steel coating more uniform, solidification dress
The mode solidify coating using lapse of temperature step by step is set, cooling device is cold wind purging cooling.
The purpose of gas infrared radiation is first is that make the powder of strip upper and lower surfaces reach molten condition, it is ensured that strip into
Powder will not be blown off when entering hot-blast stove, second is that directly heating steel plate through coating using Infrared Radiation Technology, make steel plate quick
It is warming up to 180-220 DEG C, improves powder cross-linking reaction process inside curing oven, to reach high speed limit, the production of high production capacity.Combustion gas is red
Outer furnace is made of four groups of radiant panels, and every group includes 25 junior units, is arranged side by side in 8/9/8.The power of single group radiant panel is
8KW consumes 25 cubes of combustion gas per hour.Four groups of radiant panels are on two two lower cross arrangements.
Hot wind curing oven is divided into four sections: melt zone, solidifies section, cooling section, 10 meters of every segment length at levelling section.Furnace temperature is set in
260-320 DEG C, heat source uses high temperature resistant explosion-proof blower, is energy-saving type frequency conversion speed regulating control.Furnace body uses labyrinth type plate snapping
Sealing structure can effectively prevent the heat leakage of heat and system, inner panel stainless steel plate, thickness 1.0mm, with 50 thick aluminium silicate wools
Felt, outside plate 150 standard rock wool heat-insulation sandwich plate of δ, heat preservation layer material is high temperature resistant rock wool and alumina silicate felt, and alumina silicate felt is loaded on
On the inside of furnace plate, insulating layer total thickness 200mm.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all in spirit of the invention and
Within principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (7)
1. a kind of quick curing method after belt steel surface electrostatic spraying powder, which comprises the steps of: (1)
Steel band is cleaned by decoiling equipment uncoiling, (2) cleaning device, and (3) change the painting of coating device progress, and (4) curing oven solidifies,
(5) wrap-up is wound, and strip, by the melting plant of curing oven, reaches the powder coating of strip upper and lower surfaces after changing and applying
To molten condition, keep strip curing of coatings uniform using the leveling device of curing oven, the band steel coating after the completion of solidifying enters
Cooling device is cooling, and melting plant uses radiant panel heating radiation, and leveling device is vibrated using ultrasonic vibration apparatus, makes strip
Coating dispersion is more uniform, solidification equipment using lapse of temperature step by step mode solidify coating, cooling device be cold wind purge to
Curing oven cooling, wrap-up wind the strip after solidification.
2. a kind of rapid solidification device after belt steel surface electrostatic spraying powder as described in claim 1, which is characterized in that
Successively include decoiling equipment (1), cleaning device (2), change coating device (3), curing oven (4) and wrap-up (5), decoiling equipment
It (1) include uncoiler (6), 1# uncoiling pinch machine (7), whole line bracket (8) and 2# uncoiling pinch machine (9), cleaning device (2) includes
Roller brush machine I (10) and roller brush machine II (11), changing coating device (3) includes changing painting machine (12) and steam drying oven (13), curing oven (4)
Including melting plant (14), leveling device (15), solidification equipment (16) and cooling device (17), wrap-up (5) includes winding
Pinch machine (18) and winder (19), melting plant (14) include the radiant panel (20), hot-blast stove (21) and labyrinth set gradually
Formula plate snapping seal structure (22), radiant panel (20) and hot-blast stove (21) are sequentially arranged on curing oven (4), curing oven
It (4) include furnace body (23), labyrinth type plate snapping seal structure (22) is located at the top of furnace body (23), leveling device (15) packet
The sealing supporter (24) connecting with curing oven (4) is included, is equipped with supersonic generator (25) in sealing supporter (24), solidification dress
Setting (16) includes the temperature control system being mounted on curing oven (4), and temperature control system includes explosion-prevention high temperature-resistance blower I
(26), explosion-prevention high temperature-resistance blower II (27) and explosion-prevention high temperature-resistance blower III (28), cooling device (17) include being mounted on furnace body
Air-cooler (29).
3. the rapid solidification device according to claim 2 after belt steel surface electrostatic spraying powder, which is characterized in that furnace
Body (23) top layer is successively arranged outside plate (30) and insulating layer (31), and outside plate (30) is rock wool heat-insulation sandwich plate, and insulating layer (31) is
High temperature resistant rock wool or alumina silicate felt.
4. the rapid solidification device according to claim 2 after belt steel surface electrostatic spraying powder, which is characterized in that heat
Wind furnace (21) is connect with air supply tube I (32), and air supply tube I (32) is installed along furnace body (23) length direction.
5. the rapid solidification device according to claim 4 after belt steel surface electrostatic spraying powder, which is characterized in that send
Air hose I (32) is stainless steel air supply tube, and being evenly equipped on air supply tube I (32) can tuning type air outlet.
6. the rapid solidification device according to claim 1 after belt steel surface electrostatic spraying powder, which is characterized in that anti-
Quick-fried resisting blower I (26), explosion-prevention high temperature-resistance blower II (27) and explosion-prevention high temperature-resistance blower III (28) respectively with air supply tube II
(33), air supply tube III (34) and air supply tube IV (35) connection.
7. the rapid solidification device according to claim 1 after belt steel surface electrostatic spraying powder, which is characterized in that Gu
Changing furnace (4) further includes conveying device, and conveying device is that a pair is separately positioned on the conveying roller (36) at left and right sides of curing oven (4).
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| CN201910516460.2A CN110328069A (en) | 2019-06-14 | 2019-06-14 | Quick curing method and its device after belt steel surface electrostatic spraying powder |
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| CN201910516460.2A CN110328069A (en) | 2019-06-14 | 2019-06-14 | Quick curing method and its device after belt steel surface electrostatic spraying powder |
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