CN104588295A - Fuel gas infrared heating curing furnace of continuous powder coating production line - Google Patents
Fuel gas infrared heating curing furnace of continuous powder coating production line Download PDFInfo
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- CN104588295A CN104588295A CN201510081152.3A CN201510081152A CN104588295A CN 104588295 A CN104588295 A CN 104588295A CN 201510081152 A CN201510081152 A CN 201510081152A CN 104588295 A CN104588295 A CN 104588295A
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- furnace shell
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 24
- 239000000843 powder Substances 0.000 title claims abstract description 24
- 239000011248 coating agent Substances 0.000 title claims abstract description 18
- 238000000576 coating method Methods 0.000 title claims abstract description 18
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 13
- 239000002737 fuel gas Substances 0.000 title abstract description 5
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 21
- 239000010959 steel Substances 0.000 claims abstract description 21
- 239000012774 insulation material Substances 0.000 claims abstract description 17
- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 9
- 239000010935 stainless steel Substances 0.000 claims abstract description 9
- 238000003466 welding Methods 0.000 claims abstract description 8
- 239000008246 gaseous mixture Substances 0.000 claims description 26
- 230000005855 radiation Effects 0.000 claims description 22
- 239000000463 material Substances 0.000 claims description 16
- 238000010892 electric spark Methods 0.000 claims description 8
- 238000005452 bending Methods 0.000 claims description 5
- 238000009413 insulation Methods 0.000 claims description 5
- 239000000758 substrate Substances 0.000 claims description 5
- 239000011120 plywood Substances 0.000 claims description 4
- 239000011435 rock Substances 0.000 claims description 4
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 claims description 3
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 3
- 239000011810 insulating material Substances 0.000 claims description 3
- 229920000742 Cotton Polymers 0.000 abstract description 4
- 230000007547 defect Effects 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 20
- 238000001723 curing Methods 0.000 description 18
- 239000000567 combustion gas Substances 0.000 description 13
- 238000002485 combustion reaction Methods 0.000 description 9
- 239000010410 layer Substances 0.000 description 9
- 238000010586 diagram Methods 0.000 description 5
- 239000000779 smoke Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000004321 preservation Methods 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 238000005493 welding type Methods 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000000740 bleeding effect Effects 0.000 description 1
- 239000011247 coating layer Substances 0.000 description 1
- 238000009500 colour coating Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000007596 consolidation process Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 238000013007 heat curing Methods 0.000 description 1
- 238000007603 infrared drying Methods 0.000 description 1
- 238000002407 reforming Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 230000010512 thermal transition Effects 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
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- Drying Of Solid Materials (AREA)
Abstract
The invention discloses a fuel gas infrared heating curing furnace of a continuous powder coating production line. The fuel gas infrared heating curing furnace comprises a furnace body and a fuel gas infrared radiator, wherein the furnace body comprises a furnace shell and a thermal insulation material arranged outside the furnace shell; a furnace shell flange is arranged on the furnace shell; the furnace shell is formed by connecting single stainless steel sheets; the connection among the single stainless steel sheets adopts a bent welding splicing manner; one end at the edge of each steel sheet is bent to form a right angle, and the other end is bent to form a door shape; the door-shaped bent ends and the right-angled bent ends of the two adjacent steel sheets are coordinated, between which an expansion gap is kept; the intersected edges of the two steel sheets are welded. The curing furnace shortens the powder curing time, improves the production line speed, meanwhile shortens the furnace body length, and reduces the investment cost; the furnace body can effectively avoid the defects in the prior art, cannot be expanded, torn or deformed at high temperature, and meanwhile avoids the problem of exposing cotton towards the furnace.
Description
Technical field
The present invention relates to a kind of electrostatic powder spraying field, particularly relate to a kind of solidification of powder, to be heating and curing stove by be heating and curing continuous powder coating production line Gas Infrared that the powder coating of surface of the work to carry out baking and curing by stove of Gas Infrared.
Background technology
Powder coating can say the short slab well solving liquid and be coated with, its non-environmental-pollution, and can produce and have higher quality, has more the Coil Coating Products of the market competitiveness.But from traditional liquid, to be coated with tinuous production different, and the fundamental characteristics of powder determines it can not be continued to adopt this pattern of hot air circulation in the curing process.Be equipped with oven dry bellows in traditional recirculation drying stove, adopt the mode heated parts of heat convection, dry the coating of surface of the work with the circulating air in bellows.This heat form thermal transition efficiency is not high, response speed slow, heat drying required time is long, equipment occupation of land is simultaneously also larger.The most important thing is, powder is solid property, and powder coating can change under hot wind action, causes the change of coating layer thickness and coating outer surface.
Except the mode of heating of heat convection, the mode of heating of radiation can also be selected.
Existing powder color coating unit heat curing oven all is both at home and abroad all adopt Far infrared electric radiator as heating components and parts, or the mode (hot blast is used in the second half section) adopting Far infrared electric radiator to combine with hot blast.Because the IR wavelength of far infrared radiation radiator radiation is greater than 3 μm mostly, the energy that this ray carries is less, and the powder curing time is 60 seconds ~ 90 seconds by this way in institute, and some kind even wants 120 seconds.And electricity is as the high-quality energy, produce same heat energy, want high a lot of compared with low-quality Energy Consumption Cost such as combustion gas.
Existing curing oven furnace shell is all carry out assembled with the form of grafting or welding.Connect consolidation between each plate of Type of Welding furnace shell, prevent the exterior materials such as heat-preservation cotton from bleeding in stove, but easy at high temperature thermal expansion deformation, cause tearing or being out of shape of furnace shell.Grafting form furnace shell is formed by plate grafting of aliging with plate bending, overcomes the problem that furnace shell under high temperature tears distortion, but simultaneously owing to not being welding, there is gap unavoidably between plate and plate, there will be heat-preservation cotton reveal in stove into situation.
Summary of the invention
The object of this invention is to provide a kind of Gas Infrared can dried continuous powder coating to be heating and curing stove.
Continuous powder coating production line Gas Infrared of the present invention is heating and curing stove, comprise body of heater and gas-fired infrared radiator, described body of heater comprises furnace shell and is arranged on the insulation material outside furnace shell, furnace shell arranges furnace shell flange, described furnace shell is that monolithic stainless steel substrates connects to form, connection between each monolithic stainless steel adopts the mode of bending welding to splice, in every sheet steel disc edge, one end is converted into quarter bend, the other end is converted into a shape, two adjacent steel discs are converted into shape end and are converted into right angle bent-up end and match, leave dilatation joint therebetween, only in the edge welding that two steel discs intersect.
Described insulation material is arranged on the outer surface of furnace shell, in this insulation material has, outer two-layer, and internal layer insulation material selects alumina silicate insulation blanket to be covered in furnace shell surface, and heat insulating material for external layer selects rock wool-steel plywood, is covered in outside internal layer insulation material.
Described gas-fired infrared radiator comprises radiator flange, be arranged on the gaseous mixture access tube on radiator flange, the air inlet be communicated with gaseous mixture access tube and be arranged on the outer and ignition electrode be fixed on radiator flange of gaseous mixture access tube, on gaseous mixture access tube, fluting is provided with burning radiation material surface, and described ignition electrode produces the end of electric spark near burning radiation material.
Described radiator flange is arranged the gaseous mixture access tube that 1 ~ 5 has burning radiation material, described ignition electrode is one, and it produces the burning radiation material of end near any gaseous mixture access tube of electric spark.
Compared with prior art, the present invention has following characteristics and advantage:
1. replace hot blast or far infrared drying with gas infrared radiation heating, gas infrared radiation IR wavelength concentrates on 2 μm ~ 3 μm mostly, some wavelength are also less than 2 μm, so the energy that carries of ray comparatively far infrared want many, carry out same oven dry, the powder curing time can be shortened, even faster within 30 seconds will be brought up to hardening time.Improve and produce linear velocity, shorten body of heater length, cost of reducing investment outlay simultaneously.
2. adopt combustion gas as medium, relative to dielectric, produce same heat and more save cost.
3. adopt premixed combustion, that is: in gas-fired infrared radiator, be pre-mixed abundant after-combustion by combustion gas and air, efficiency of combustion is higher than traditional combustion, and burning is more abundant, and the fuel gas reforming efficiency of radiator is higher.
4. the body of heater that the present invention is used effectively avoids the defect of prior art, and body of heater at high temperature can not expand and tear distortion, avoids simultaneously and reveal cotton problem in stove.
5. outside furnace shell, arrange two-layer insulation material, heat insulation effect is better, and outer rock wool-steel plywood can increase the rigidity of body of heater, simultaneously as body of heater surface decorating plate, elegant in appearance.
Accompanying drawing explanation
Fig. 1 is that continuous powder coating production line Gas Infrared of the present invention is heating and curing stove schematic diagram;
Fig. 2 is that Gas Infrared shown in Fig. 1 is heating and curing the furnace shell assembly form of stove;
Fig. 3 is the assembled plate profile schematic diagram of furnace shell shown in Fig. 2;
Fig. 4 is two adjacent steel plate connection state schematic diagrames;
Fig. 5 is the partial enlarged drawing of Fig. 4;
Fig. 6 is that Gas Infrared shown in Fig. 1 is heating and curing the schematic diagram of gas-fired infrared radiator of stove;
Fig. 7 is that the be heating and curing gas-fired infrared radiator of stove of Gas Infrared shown in Fig. 6 has the schematic diagram of many gaseous mixture access tubes.
Above accompanying drawing is only intended to schematically illustrate the present invention and explain, not delimit the scope of the invention.
Description of reference numerals:
1-gas-fired infrared radiator; 2-body of heater; 3-gas supply pipe system; 4-air-supply pipeline system; 5-smoke evacuation system; 6-furnace shell flange; 7-anter steel plate; 8-rear panel steel plate; 9-edge; 10-gaseous mixture access tube; 11-burning radiation material; 12-radiator flange; 13-ignition electrode; 14-air inlet.
In order to there be understanding clearly to technical characteristic of the present invention, object and effect, now contrast accompanying drawing and the specific embodiment of the present invention is described.
Detailed description of the invention
See Fig. 1, described continuous powder coating production line Gas Infrared is heating and curing stove, comprising: body of heater 2, gas-fired infrared radiator 1, gas supply pipe system 3, air-supply pipeline system 4, smoke evacuation system 5.
The described stove that is heating and curing, be in gas-fired infrared radiator 1, be pre-mixed abundant after-combustion by combustion gas and air, burning is more abundant, and the length of flame is short, the heat produced mainly is delivered to surface of the work with forms of radiation, and the powder that heating is attached to its surface completes solidification.
See Fig. 2, the body of heater 2 of curing oven of the present invention comprises furnace shell and is arranged on the insulation material outside furnace shell, and furnace shell arranges furnace shell flange 6.Described furnace shell is that monolithic stainless steel substrates connects to form.At high temperature can not expand tear distortion for realizing furnace shell, the connection between each monolithic stainless steel adopts the mode of bending welding to splice.Furnace shell surrounding up and down and both sides all along the splicing of furnace superintendent direction, stainless steel substrates that is upper and lower and both sides also splices with bending Type of Welding simultaneously.See Fig. 3, in every sheet steel disc edge, one end is converted into quarter bend, and the other end is converted into a shape.See Fig. 4, two adjacent steel discs are converted into shape end and are converted into right angle bent-up end and match, be connected with one end that anter steel plate 7 has quarter bend as rear panel steel plate 8 in figure has one end of a shape, leave dilatation joint therebetween, the edge 9 only intersected at two steel discs is welded, to ensure can not be out of shape in thermal expansion process, see Fig. 5.
Described insulation material, is arranged on the outer surface of furnace shell.In this insulation material is provided with, outer two-layer, internal layer insulation material selects alumina silicate insulation blanket to be covered in furnace shell surface, heat insulating material for external layer selects rock wool-steel plywood, be covered in outside internal layer insulation material, so both ensured the rigidity increasing body of heater while insulation, elegant in appearance again.
See Fig. 2 and Fig. 6, described gas-fired infrared radiator 1, comprise radiator flange 12, be arranged on the gaseous mixture access tube 10 on radiator flange 12, the air inlet 14 be communicated with gaseous mixture access tube 10 and be arranged on the outer and ignition electrode 13 be fixed on radiator flange 12 of gaseous mixture access tube 10, gaseous mixture access tube 10 is slotted install combustion radiative material 11, ensure that gas can spray from burning surface, described ignition electrode 13 produces the end of electric spark near burning radiation material 11.
Described gas-fired infrared radiator 1 is fixedly connected with the furnace shell flange 6 on body of heater 2 by radiator flange 12, arranges along workpiece motion s direction, ensures that burning radiation material 11 is relative with workpiece.Its arrangement has two kinds, and alternately arranging in the upper and lower both sides of workpiece or be disposed in order at workpiece homonymy, can be that monochromatic single-side/double-side or double-colored two-sided concrete technology are determined according to substrate to be coated.Wherein, ignition electrode 13 is fixed on radiator flange 12, the end and burning radiation material 11 surface that produce electric spark are affixed, combustion gas and air Mixture pass in gaseous mixture access tube 10 by air inlet 14, and sprayed by burning radiation material 11, conflagration under the effect of the electric spark of ignition electrode 13 generation also gives off energy, for coated and dried.Multiple gas-fired infrared radiator 1 is arranged on curing oven simultaneously, may be used for the flash baking in fast spraying, the decision of the spacing between radiator to ensure workpiece cover by the radiation angle of gas-fired infrared radiator 1.
Fig. 7 represents another embodiment of described gas-fired infrared radiator 1, same radiator flange 12 can fix one or more gaseous mixture access tube 10 side by side, multitube shares an ignition electrode 13 and lights a fire, ignition electrode 13 can be placed in outside any gaseous mixture access tube 10, and it produces the burning radiation material 11 of end gaseous mixture access tube 10 near how of electric spark.The quantity of gaseous mixture access tube 10 is determined according to concrete heating process, the gaseous mixture access tube more than 10 be arranged side by side, then need the length of Enhanced Radiation Reduced Blast device flange 12 to adapt with it simultaneously.Consider stability when installing and work, advise same radiator flange 12 fixes 5 gaseous mixture access tubes 10 at most side by side, fix the situation of 2 ~ 3 side by side for best.
Described gas supply pipe system 3 provides gas-fired infrared radiator 1 to burn required combustion gas, and combustion gas derives from gas station, before combustion gas is delivered to radiator by supply air line, with the after-combustion of air natural premix.
Described air-supply pipeline system 4 provides the combustion air required for radiator burning, and air source is blasted by blower fan, before air is delivered to radiator by air-supply pipeline, with the after-combustion of combustion gas nature premix.
Burn required combustion gas and air of described gas-fired infrared radiator 1 provides 4 (prior aries) by gas supply pipe system 3 (prior art) and air-supply pipeline system respectively.The combustion gas of the combustion gas wherein in gas supply pipe system 3 derives from gas station, before being assigned to each gas-fired infrared radiator 1 by system pipeline, and the blower fan that the air source in air-supply pipeline system 4 carries in it blasts, before being assigned to each gas-fired infrared radiator 1 by system pipeline.Infrared radiator 1 is passed into by gaseous mixture access tube 10 after combustion gas and air passing ratio valve mix in proportion.The waste gas produced after burning is discharged in stove, is discharged by smoke evacuation system 5.Its smoke evacuation power comes from blower fan.Flue gas after follow-up process directly to airborne release.
Claims (4)
1. continuously powder coating production line Gas Infrared is heating and curing stove, comprise body of heater (2) and gas-fired infrared radiator (1), it is characterized in that described body of heater (2) comprises furnace shell and is arranged on the insulation material outside furnace shell, furnace shell arranges furnace shell flange (6), described furnace shell is that monolithic stainless steel substrates connects to form, connection between each monolithic stainless steel adopts the mode of bending welding to splice, in every sheet steel disc edge, one end is converted into quarter bend, the other end is converted into a shape, two adjacent steel discs are converted into shape end and are converted into right angle bent-up end and match, leave dilatation joint therebetween, only in edge (9) welding that two steel discs intersect.
2. continuous powder coating production line Gas Infrared according to claim 1 is heating and curing stove, it is characterized in that described insulation material is arranged on the outer surface of furnace shell, in this insulation material has, two-layer outward, internal layer insulation material selects alumina silicate insulation blanket to be covered in furnace shell surface, heat insulating material for external layer selects rock wool-steel plywood, is covered in outside internal layer insulation material.
3. continuous powder coating production line Gas Infrared according to claim 1 and 2 is heating and curing stove, it is characterized in that described gas-fired infrared radiator (1) comprises radiator flange (12), be arranged on the gaseous mixture access tube (10) on radiator flange (12), the air inlet (14) be communicated with gaseous mixture access tube (10) and be arranged on gaseous mixture access tube (10) and the ignition electrode (13) be fixed on radiator flange (12) outward, at gaseous mixture access tube (10) upper fluting, burning radiation material (11) is installed, described ignition electrode (13) produces the end of electric spark near burning radiation material (11).
4. continuous powder coating production line Gas Infrared according to claim 3 is heating and curing stove, it is characterized in that described radiator flange (12) being arranged the gaseous mixture access tube (10) that 1 ~ 5 has burning radiation material (11), described ignition electrode (13) is one, and its end producing electric spark is near any gaseous mixture access tube (burning radiation material (11) of 10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510081152.3A CN104588295A (en) | 2015-02-13 | 2015-02-13 | Fuel gas infrared heating curing furnace of continuous powder coating production line |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510081152.3A CN104588295A (en) | 2015-02-13 | 2015-02-13 | Fuel gas infrared heating curing furnace of continuous powder coating production line |
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| CN104588295A true CN104588295A (en) | 2015-05-06 |
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| CN201510081152.3A Pending CN104588295A (en) | 2015-02-13 | 2015-02-13 | Fuel gas infrared heating curing furnace of continuous powder coating production line |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105953576A (en) * | 2016-06-30 | 2016-09-21 | 苏州新智机电工业有限公司 | Split type infrared tunnel kiln device |
| CN108787388A (en) * | 2017-05-12 | 2018-11-13 | 佛山宜可居新材料有限公司 | It is a kind of to form the production technology and production equipment of DE Specular Lighting decorative effect on artificial board surface using powdery paints |
| CN108787378A (en) * | 2017-05-12 | 2018-11-13 | 佛山宜可居新材料有限公司 | A kind of device and method of powder coating solidification for artificial board surface |
| CN109883047A (en) * | 2019-02-28 | 2019-06-14 | 昆山市瑞浦鑫涂装机械有限公司 | A kind of natural gas infra-red radiation combines heating device with hot air circulation |
| CN111167679A (en) * | 2020-01-06 | 2020-05-19 | 保定市通达涂装设备有限公司 | Far infrared radiation fingerprint-resistant coating curing oven |
| CN114430711A (en) * | 2020-03-12 | 2022-05-03 | 阿约特科技-燃气公司 | System and method for curing a wet coating applied to a substrate |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105953576A (en) * | 2016-06-30 | 2016-09-21 | 苏州新智机电工业有限公司 | Split type infrared tunnel kiln device |
| CN105953576B (en) * | 2016-06-30 | 2017-12-29 | 苏州新智机电工业有限公司 | A kind of split type ir tunnel furnace apparatus |
| CN108787388A (en) * | 2017-05-12 | 2018-11-13 | 佛山宜可居新材料有限公司 | It is a kind of to form the production technology and production equipment of DE Specular Lighting decorative effect on artificial board surface using powdery paints |
| CN108787378A (en) * | 2017-05-12 | 2018-11-13 | 佛山宜可居新材料有限公司 | A kind of device and method of powder coating solidification for artificial board surface |
| CN108787388B (en) * | 2017-05-12 | 2023-10-10 | 佛山宜可居新材料有限公司 | Production process and production equipment for forming mirror surface high-gloss decorative effect on surface of artificial board by using powder coating |
| CN109883047A (en) * | 2019-02-28 | 2019-06-14 | 昆山市瑞浦鑫涂装机械有限公司 | A kind of natural gas infra-red radiation combines heating device with hot air circulation |
| CN111167679A (en) * | 2020-01-06 | 2020-05-19 | 保定市通达涂装设备有限公司 | Far infrared radiation fingerprint-resistant coating curing oven |
| CN114430711A (en) * | 2020-03-12 | 2022-05-03 | 阿约特科技-燃气公司 | System and method for curing a wet coating applied to a substrate |
| CN114430711B (en) * | 2020-03-12 | 2023-12-12 | 阿约特科技-燃气公司 | System and method for curing a wet coating applied to a substrate |
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Effective date of registration: 20181203 Address after: 100176 No. 7 Jian'an Street, Beijing Economic and Technological Development Zone Applicant after: Capital Engineering & Research Incorporation Limited Applicant after: CERI TECHNOLOGY Co.,Ltd. Address before: Room 502, Room 7, Jian'an Street, Daxing District, Beijing Applicant before: CERI TECHNOLOGY Co.,Ltd. |
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