CN106955829A - Steel workpiece continous way powder coating production line - Google Patents
Steel workpiece continous way powder coating production line Download PDFInfo
- Publication number
- CN106955829A CN106955829A CN201710289314.1A CN201710289314A CN106955829A CN 106955829 A CN106955829 A CN 106955829A CN 201710289314 A CN201710289314 A CN 201710289314A CN 106955829 A CN106955829 A CN 106955829A
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- drying tunnel
- temperature
- water removal
- steel workpiece
- powder coating
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 50
- 239000010959 steel Substances 0.000 title claims abstract description 50
- 239000000843 powder Substances 0.000 title claims abstract description 49
- 239000011248 coating agent Substances 0.000 title claims abstract description 28
- 238000000576 coating method Methods 0.000 title claims abstract description 28
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 28
- 238000001035 drying Methods 0.000 claims abstract description 132
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 50
- 238000010438 heat treatment Methods 0.000 claims abstract description 29
- 239000007789 gas Substances 0.000 claims abstract description 27
- 239000000725 suspension Substances 0.000 claims abstract description 16
- 239000000567 combustion gas Substances 0.000 claims abstract description 12
- 238000005507 spraying Methods 0.000 claims abstract description 12
- 230000008676 import Effects 0.000 claims abstract description 10
- 238000007711 solidification Methods 0.000 claims description 35
- 230000008023 solidification Effects 0.000 claims description 35
- 238000010792 warming Methods 0.000 claims description 34
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 24
- 238000009413 insulation Methods 0.000 claims description 21
- 239000000463 material Substances 0.000 claims description 21
- 238000002485 combustion reaction Methods 0.000 claims description 19
- 239000003345 natural gas Substances 0.000 claims description 12
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical group [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 12
- 238000003745 diagnosis Methods 0.000 claims description 11
- 239000000523 sample Substances 0.000 claims description 10
- 238000007592 spray painting technique Methods 0.000 claims description 7
- 229910000975 Carbon steel Inorganic materials 0.000 claims description 6
- 229920000742 Cotton Polymers 0.000 claims description 6
- 229910001335 Galvanized steel Inorganic materials 0.000 claims description 6
- 238000005253 cladding Methods 0.000 claims description 6
- 238000001914 filtration Methods 0.000 claims description 6
- 239000008397 galvanized steel Substances 0.000 claims description 6
- 229910052697 platinum Inorganic materials 0.000 claims description 6
- 239000011435 rock Substances 0.000 claims description 6
- 230000005619 thermoelectricity Effects 0.000 claims description 6
- 229940098458 powder spray Drugs 0.000 claims description 5
- 238000010079 rubber tapping Methods 0.000 claims description 2
- 230000000392 somatic effect Effects 0.000 abstract description 4
- 230000006872 improvement Effects 0.000 description 9
- 238000012423 maintenance Methods 0.000 description 5
- 230000001276 controlling effect Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000010962 carbon steel Substances 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 238000009529 body temperature measurement Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000003670 easy-to-clean Effects 0.000 description 1
- 230000009881 electrostatic interaction Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 239000004922 lacquer Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Classifications
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B13/00—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00
- B05B13/02—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work
- B05B13/0221—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work characterised by the means for moving or conveying the objects or other work, e.g. conveyor belts
- B05B13/0264—Overhead conveying means, i.e. the object or other work being suspended from the conveying means; Details thereof, e.g. hanging hooks
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B15/00—Machines or apparatus for drying objects with progressive movement; Machines or apparatus with progressive movement for drying batches of material in compact form
- F26B15/02—Machines or apparatus for drying objects with progressive movement; Machines or apparatus with progressive movement for drying batches of material in compact form with movement in the whole or part of a circle
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/001—Drying-air generating units, e.g. movable, independent of drying enclosure
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Drying Of Solid Materials (AREA)
Abstract
The invention discloses a kind of steel workpiece continous way powder coating production line, including moisture content drying unit, powder spraying device, powder curing device, suspension conveyor system and electric control system, the conveyer belt of suspension conveyor system sequentially passes through moisture content drying unit, powder spraying device and powder curing device, the moisture content drying unit directly heated for combustion gas and hot air circulation water removal drying tunnel, the water removal drying tunnel includes drying chamber, import and export bridge section, send wind pipeline back to, bottom framework, gas heating system, exhaust emission device and automatic temperature control system, the conveyer belt of the suspension conveyor system is the two-way chain being hinged, chain can hang steel workpiece through the inner chamber of water removal drying tunnel.The steel workpiece continous way powder coating production line of the present invention, it is possible to achieve the continous way powder coating production of steel workpiece, greatly improves production efficiency, substantially reduces the somatic damage to operator.
Description
Technical field
The present invention relates to a kind of steel workpiece continous way powder coating production line, belong to spraying equipment technical field.
Background technology
Powder spray is the surface powder paint to workpiece with powder spraying apparatus, under electrostatic interaction, and powder can be equal
The even coating for being adsorbed in workpiece surface, forming powdery, powdery coating solidifies by high-temperature baking levelling, becomes effect different
Final coating.The spraying effect of powder spray mechanical strength, adhesive force, it is corrosion-resistant, ageing-resistant in terms of be better than lacquer spraying technique,
Cost is also under the spray painting of same effect.
At present the aluminium section bar of small size, small weight is had been realized in automating powder coating production line, but for steel
These large volumes such as radiator, big weight, the powder spray of the workpiece of steel material are still using manual, low production efficiency
Under, it is of low quality and very big to the somatic damage of operator, it is impossible to realize that continous way powder coating is produced.
The content of the invention
The technical problem to be solved in the present invention is to provide a kind of steel workpiece continous way powder coating production line, it is possible to achieve
The continous way powder coating production of steel workpiece, greatly improves production efficiency, substantially reduces the somatic damage to operator.
In order to solve the above technical problems, a kind of steel workpiece continous way powder coating production line of the present invention, including moisture content
Drying unit, powder spraying device, powder curing device, suspension conveyor system and electric control system, suspension conveyor system
Conveyer belt sequentially passes through moisture content drying unit, powder spraying device and powder curing device, and the moisture content drying unit is combustion gas
Directly heat and hot air circulation water removal drying tunnel, the water removal drying tunnel include drying chamber, import and export bridge section, send wind pipeline, bottom back to
Framework, gas heating system, exhaust emission device and automatic temperature control system, the conveyer belt of the suspension conveyor system is two-way hinge
The chain connect, chain can hang steel workpiece through the inner chamber of water removal drying tunnel.
As the present invention improvement, the powder curing device directly heated for combustion gas and hot air circulation solidification drying tunnel,
The solidification drying tunnel includes drying chamber, imports and exports bridge section, sends wind pipeline, bottom framework, gas heating system, exhaust emission device back to
And automatic temperature control system, the chain can hang steel workpiece through solidification drying tunnel inner chamber.
As the improvement of the present invention, the water removal drying tunnel is full bridge case structure, and the inner chamber of the water removal drying tunnel is one
Font passage, the cavity length of water removal drying tunnel is 25.0m, and lumen width is 0.80m, and cavity heights are 2.30m.
As the improvement of the present invention, the water removal drying tunnel is molded by thickness 2.5mm hot rolled plate flanging, uses thickness 2.5mm
Carbon steel makes upper cornerite and lower cornerite, and water removal drying tunnel is handled with spray painting, cladding warming plate, the warming plate bag outside water removal drying tunnel
Warming plate inner panel, heat-insulation layer and warming plate outside plate are included, insulation layer thickness is 150mm, and heat-insulation layer material is 120kg/m3High-quality
Rock cotton board, assembled seam crossing is sealed using high-temperature plastic, and warming plate inner panel material is thickness 0.80mm galvanized steel plain sheet, warming plate
Outside plate material is thickness 0.80mm color steel.
As the improvement of the present invention, the automatic temperature control system of the water removal drying tunnel includes temperature diagnosis equipment, temperature
Point for measuring temperature at least 3 in automatic display device, temperature automatic control equipment, water removal drying tunnel, temperature diagnosis equipment is platinum
Thermoelectricity corner is popped one's head in, and temperature automatic control equipment is digital display type temperature controller, and automatic temperature control system is additionally provided with overtemperature automatic protection, alarm
And stop line chain function.
As the improvement of the present invention, the gas heating system of the water removal drying tunnel includes combustion chamber, hot air circulation blower, ratio
Example regulating gas combustor, measuring and controlling temp probe, gas heating system is placed in water removal drying tunnel bottom, using natural gas direct-burning heating
Mode, the heat that natural gas is produced through combustor after burning Indoor Combustion is sent into drying tunnel by filtering by hot air circulation blower
Portion, and hot-blast stove is taken back from return air inlet, constantly circulation, hot air circulation blower uses air-supply, the hot blast of lower return air under malleation air channel
Endless form, each air outlet in air delivery duct is designed with air-flow plate, pressure maintaining valve of the combustor equipped with control gaseous-pressure.
As the improvement of the present invention, the solidification drying tunnel is full bridge case structure, and the solidification drying tunnel is full bridge case
Formula structure, the substantially U-shaped passage in inner chamber of the solidification drying tunnel, including straight length and the bend loss somewhat expanded, solidification are dried
The inner chamber left and right ends length in road is 25.0m, and the width that inner chamber is imported and exported is 1.60m, and inner chamber bend loss Breadth Maximum is
2.90m, cavity heights are 2.30m.
As the improvement of the present invention, the solidification drying tunnel is molded by thickness 2.5mm hot rolled plate flanging, uses thickness 2.5mm
Carbon steel makes upper cornerite and lower cornerite, and solidification drying tunnel is handled with spray painting, cladding warming plate, the warming plate bag outside solidification drying tunnel
Warming plate inner panel, heat-insulation layer and warming plate outside plate are included, insulation layer thickness is 150mm, and heat-insulation layer material is 120kg/m3High-quality
Rock cotton board, assembled seam crossing is sealed using high-temperature plastic, and warming plate inner panel material is thickness 0.80mm galvanized steel plain sheet, warming plate
Outside plate material is thickness 0.80mm color steel.
As the improvement of the present invention, the automatic temperature control system of the solidification drying tunnel includes temperature diagnosis equipment, temperature
Point for measuring temperature at least 3 in automatic display device, temperature automatic control equipment, solidification drying tunnel, temperature diagnosis equipment is platinum
Thermoelectricity corner is popped one's head in, and temperature automatic control equipment is digital display type temperature controller, and automatic temperature control system is additionally provided with overtemperature automatic protection, alarm
And stop line chain function.
As the improvement of the present invention, the gas heating system of the solidification drying tunnel includes combustion chamber, hot air circulation blower, ratio
Example regulating gas combustor, measuring and controlling temp probe, gas heating system is placed in drying tunnel bottom, using natural gas direct-burning heating side
Formula, the heat that natural gas is produced through combustor after burning Indoor Combustion is sent into drying tunnel by filtering by hot air circulation blower
Portion, and hot-blast stove is taken back from return air inlet, constantly circulation, hot air circulation blower uses air-supply, the hot blast of lower return air under malleation air channel
Endless form, each air outlet in air delivery duct is designed with air-flow plate, pressure maintaining valve of the combustor equipped with control gaseous-pressure.
A kind of steel workpiece continous way powder coating production line of the present invention, including moisture content drying unit, powder spray application
Put, powder curing device, suspension conveyor system and electric control system, the conveyer belt of suspension conveyor system sequentially passes through moisture content baking
Equipment for drying, powder spraying device and powder curing device, the moisture content drying unit are directly heated and hot air circulation for combustion gas
Remove water drying tunnel, the water removal drying tunnel include drying chamber, import and export bridge section, send wind pipeline back to, it is bottom framework, gas heating system, useless
Gas tapping equipment and automatic temperature control system, the conveyer belt of the suspension conveyor system is the two-way chain being hinged, carrier chain
Bar can hang steel workpiece through the inner chamber of water removal drying tunnel, it is possible to achieve the continous way powder coating production of steel workpiece, significantly
Production efficiency is improved, the somatic damage to operator is substantially reduced.
Brief description of the drawings
The present invention is further detailed explanation with reference to the accompanying drawings and detailed description.
Fig. 1 is steel workpiece continous way powder coating production line schematic diagram of the present invention.
Fig. 2 is the sectional view for removing water drying tunnel of the invention.
Embodiment
As depicted in figs. 1 and 2, (steel workpiece is steel to steel workpiece continous way powder coating production line in the present embodiment
Radiator processed, but steel workpiece is not limited to steel radiator), including moisture content drying unit, powder spraying device 2, powder be solid
Makeup is put, suspension conveyor system 4 and electric control system, the conveyer belt of suspension conveyor system 4 sequentially pass through moisture content drying unit,
Powder spraying device 2 and powder curing device, the moisture content drying unit is directly heated for combustion gas and the water removal of hot air circulation is dried
Road 1, it is described water removal drying tunnel 1 include drying chamber 11, import and export bridge section 12,13, send wind pipeline, bottom framework, gas heating system back to
14th, exhaust emission device 15 and automatic temperature control system, the conveyer belt of the suspension conveyor system 4 is the two-way chain being hinged
41, chain 41 can hang steel radiator workpiece (not shown) through the inner chamber of water removal drying tunnel 1.The powder curing
Device directly heated for combustion gas and hot air circulation solidification drying tunnel 3, it is described solidification drying tunnel 3 include drying chamber, import and export bridge section, give
Return air duct, bottom framework, gas heating system, exhaust emission device and automatic temperature control system, the chain can hang steel
Radiator workpiece processed passes through the inner chamber of solidification drying tunnel.Steel radiator workpiece maximum appearance and size is long by 2100 × wide by 300 × high
1000mm, maximum workpiece weight is 50Kg.Suspension conveyor system 4 is overhead chain conveyer, model QXG-250-50Kg, and quantity is
2 sets, it is hinged using chain structure type is two-way, is easy to horizontal and vertical turning.Chain single-point lift heavy is 50kg/
Point, suspending way is hung for two point, and chain pitch is 200mm, and chain length is 270m, and tensioning apparatus form is attached most importance to
Hammer tensioning.
The water removal drying tunnel 1 is full bridge case structure, and the inner chamber of the water removal drying tunnel 1 is yi word pattern passage, and water removal is dried
The cavity length in road 1 is 25.0m, and lumen width is 0.80m, and cavity heights are 2.30m.Operating temperature is in the drying tunnel of drying chamber 11
120~150 DEG C.It is 1.50m/min that the hanging steel radiator workpiece of chain 41, which passes through the speed of the inner chamber of water removal drying tunnel 1,.
The water removal drying tunnel 1 is molded by thickness 2.5mm hot rolled plate flanging, is made upper cornerite and lower cornerite with thickness 2.5mm carbon steels, is removed
Water drying tunnel 1 is handled with spray painting, and the outside cladding warming plate of water removal drying tunnel 1, the warming plate includes warming plate inner panel, heat-insulation layer and guarantor
Warm plate outside plate, insulation layer thickness is 150mm, and heat-insulation layer material is 120kg/m3High-quality rock cotton board, assembled seam crossing is using resistance to
High-temp glue is sealed, and prevents that hot blast from leaking heat from edge joint position.Warming plate inner panel material is thickness 0.80mm galvanized steel plain sheet beading, insulation
Plate outside plate material is the thickness 0.80mm two-sided beading of color steel.Warming plate uses splicing structure.The heat-insulating property of drying chamber 11 is
Then surface temperature is not more than 10 DEG C of environment temperature outside furnace plate；The effective warm area horizontal and vertical temperature control temperature difference≤± 5 DEG C.Remove water drying tunnel
Bridge 1 frame is column section structure, the high 1.20m of water removal drying tunnel Bridge 1 frame.The automatic temperature control system of the water removal drying tunnel 1 includes temperature
Point for measuring temperature, temperature at least 3 in the automatic display device of automatic checkout equipment, temperature, temperature automatic control equipment, water removal drying tunnel 1
Control uses multi-point temperature measurement, and single-point constant-temperature temperature-control mode, temperature diagnosis equipment is popped one's head in for platinum thermoelectricity corner, and temperature automatic control is set
Standby is digital display type temperature controller, the temperature of thermometric point data real embodiment workpiece surface, and it is automatic that automatic temperature control system is additionally provided with overtemperature
Protect, alarm and stop line chain function.The gas heating system 14 of the water removal drying tunnel 1 includes combustion chamber 141, hot air circulation wind
Machine 142, proportion adjustment gas burner system 143, measuring and controlling temp probe, gas heating system 14 are placed in water removal drying tunnel 1 bottom.Combustion gas
Heating system 14 is placed in water removal drying tunnel 1 bottom, to make full use of factory building height, saves site area；Using lower air-supply, lower return air
Hot air circulation mode, eliminate traditional outer air return pipeline, reduce thermal loss, hot air circulation using the conveying of malleation air channel,
The each air outlet in air delivery duct is designed with air-flow plate, makes uniformity of temperature profile in drying tunnel.Using natural gas direct combustion mode of heating,
The heat that natural gas is produced through combustor after burning Indoor Combustion is sent into inside drying tunnel by filtering by hot air circulation blower, and
Hot-blast stove is taken back from return air inlet, constantly circulation, make furnace temperature uniformity inside drying tunnel.Hot air circulation blower 142 uses malleation wind
Air-supply, the hot air circulation mode of lower return air under road, each air outlet in air delivery duct are designed with air-flow plate, and combustor 143 is furnished with
Control the pressure maintaining valve of gaseous-pressure.Drying chamber is raised to 120 DEG C of time≤30min.Combustor is from Italy GS10 profits
Refined road full automatic combustion engine, the kilocalorie of power output 100,000；Combustor is furnished with pressure maintaining valve, controls gaseous-pressure, and combustor normally makes
With between pressure limit 0.05kg~0.1kg.Drying chamber sets maintenance door and access path, is easy to clean and repairs, and to set
Standby interim offer of fixing a breakdown is convenient, maintenance door good airproof performance.Hot air circulation import and export is provided with temp probe, and is shown in combustion
In burning machine control system.Thermal circulation fan uses low noise, high temperature resistant, A type interconnection systems, and impeller is 16Mn materials, is built in and adds
In hot tank.Motor is the resistant to elevated temperatures special motor of F class B insulations；In favor of steady operation under hot environment；Noise can be controlled in≤
80db.Heating chamber fan inlet exhausting carries out concentration filter provided with 80 height of eye temperature screen packs.
The drying tunnel 3 that solidifies is full bridge case structure, the substantially U-shaped passage in inner chamber of the solidification drying tunnel 3, including
Straight length and the bend loss somewhat expanded, the inner chamber left and right ends length of solidification drying tunnel 3 is 25.0m, the width that inner chamber is imported and exported
For 1.60m, inner chamber bend loss Breadth Maximum is 2.90m, and cavity heights are 2.30m.In drying chamber drying tunnel operating temperature be 180~
220℃.It is 1.50m/min that the hanging steel radiator workpiece of chain 41, which passes through the speed of the inner chamber of solidification drying tunnel 3,.It is described solid
Change drying tunnel 3 to be molded by thickness 2.5mm hot rolled plate flanging, make upper cornerite and lower cornerite with thickness 2.5mm carbon steels, solidify drying tunnel
3 are handled with spray painting, and the outside cladding warming plate of solidification drying tunnel 3, the warming plate is included outside warming plate inner panel, heat-insulation layer and warming plate
Plate, insulation layer thickness is 150mm, and heat-insulation layer material is 120kg/m3High-quality rock cotton board, assembled seam crossing uses high-temperature plastic
Sealing, prevents that hot blast from leaking heat from edge joint position.Warming plate inner panel material is thickness 0.80mm galvanized steel plain sheet beading, warming plate outside plate
Material is the thickness 0.80mm two-sided beading of color steel.Warming plate uses splicing structure.Drying chamber heat-insulating property be furnace plate outside then
Surface temperature is not more than 10 DEG C of environment temperature；The effective warm area horizontal and vertical temperature control temperature difference≤± 5 DEG C.Solidifying the crane span structure of drying tunnel 3 is
Column section structure, the high 1.20m of the solidification crane span structure of drying tunnel 3.The automatic temperature control system of the solidification drying tunnel 3 includes temperature diagnosis
Point for measuring temperature at least 3 in the automatic display device of equipment, temperature, temperature automatic control equipment, solidification drying tunnel 3, temperature control is using more
Point thermometric, single-point constant-temperature temperature-control mode, temperature diagnosis equipment is popped one's head in for platinum thermoelectricity corner, and temperature automatic control equipment is digital display
Formula temperature controller, the temperature of thermometric point data real embodiment workpiece surface, automatic temperature control system is additionally provided with overtemperature automatic protection, alarm
And stop line chain function.The gas heating system of the solidification drying tunnel 3 includes combustion chamber, hot air circulation blower, proportion adjustment combustion
Gas combustor, measuring and controlling temp probe, gas heating system are placed in drying tunnel bottom.Gas heating system is placed in drying tunnel bottom, to fill
Divide and utilize factory building height, save site area；Using lower air-supply, the hot air circulation mode of lower return air, traditional outer time is eliminated
Air pipe line, reduces thermal loss, and hot air circulation is conveyed using malleation air channel, and each air outlet in air delivery duct is designed with air quantity regulation
Plate, makes uniformity of temperature profile in drying tunnel.Using natural gas direct combustion mode of heating, natural gas is through combustor after burning Indoor Combustion
The heat of generation is sent into inside drying tunnel by filtering by hot air circulation blower, and takes back hot-blast stove from return air inlet, constantly circulation, heat
Wind circulating fan uses air-supply, the hot air circulation mode of lower return air under malleation air channel, and each air outlet in air delivery duct is designed with air quantity
Adjustable plate, pressure maintaining valve of the combustor equipped with control gaseous-pressure.Drying chamber is raised to 180 DEG C of time≤30min.Combustor
From Italian RS28 Li Yalu full automatic combustion engines, the kilocalorie of power output 300,000；Combustor is furnished with pressure maintaining valve, controls gas pressure
Power, combustor is normally used between pressure limit 0.05kg~0.1kg.Drying chamber sets maintenance door and access path, is easy to clear
Clean and maintenance, and offer is fixed a breakdown temporarily conveniently for equipment, maintenance door good airproof performance.Hot air circulation import and export is provided with temperature
Probe, and be shown in combustor control system.Thermal circulation fan uses low noise, high temperature resistant, A type interconnection systems, and impeller is
16Mn materials, are built in heater box.Motor is the resistant to elevated temperatures special motor of F class B insulations；In favor of stable work under hot environment
Make；Noise can be controlled in≤80db.Heating chamber fan inlet exhausting carries out concentration filter provided with 80 height of eye temperature screen packs.
In the present invention, steel workpiece is not restricted to steel radiator, and every volume and weight is all no more than above-mentioned
The steel workpiece of steel radiator can be using the present invention.
It should be noted that embodiment is only explanation and the explanation to technical solution of the present invention, should not be by it
The restriction to technical solution of the present invention is interpreted as, it is any that local change is only made using the substantive content of the invention of the present invention, should
Fall within the scope of protection of the present invention.
Claims (10)
1. a kind of steel workpiece continous way powder coating production line, including moisture content drying unit, powder spraying device, powder curing
Device, suspension conveyor system and electric control system, the conveyer belt of suspension conveyor system sequentially pass through moisture content drying unit, powder
Spray equipment and powder curing device, it is characterised in that：The moisture content drying unit is directly heated and hot air circulation for combustion gas
Remove water drying tunnel, the water removal drying tunnel include drying chamber, import and export bridge section, send wind pipeline back to, it is bottom framework, gas heating system, useless
Gas tapping equipment and automatic temperature control system, the conveyer belt of the suspension conveyor system is the two-way chain being hinged, carrier chain
Bar can hang steel workpiece through the inner chamber of water removal drying tunnel.
2. steel workpiece continous way powder coating production line according to claim 1, it is characterised in that：The powder curing
Device directly heated for combustion gas and hot air circulation solidification drying tunnel, the solidification drying tunnel include drying chamber, import and export bridge section, send back to
Wind pipeline, bottom framework, gas heating system, exhaust emission device and automatic temperature control system, the chain can hang steel
Workpiece passes through the inner chamber of solidification drying tunnel.
3. steel workpiece continous way powder coating production line according to claim 1, it is characterised in that：The water removal drying tunnel
For full bridge case structure, the inner chamber of the water removal drying tunnel is yi word pattern passage, and the cavity length of water removal drying tunnel is 25.0m, interior
Chamber width is 0.80m, and cavity heights are 2.30m.
4. steel workpiece continous way powder coating production line according to claim 3, it is characterised in that：The water removal drying tunnel
It is molded by thickness 2.5mm hot rolled plate flanging, upper cornerite and lower cornerite, water removal drying tunnel spray painting is made with thickness 2.5mm carbon steels
Cladding warming plate outside processing, water removal drying tunnel, the warming plate includes warming plate inner panel, heat-insulation layer and warming plate outside plate, insulation
Thickness degree is 150mm, and heat-insulation layer material is 120kg/m3 high-quality rock cotton board, and assembled seam crossing is sealed using high-temperature plastic, is protected
Warm plate inner panel material is thickness 0.80mm galvanized steel plain sheet, and warming plate outside plate material is thickness 0.80mm color steel.
5. steel workpiece continous way powder coating production line according to claim 1, it is characterised in that：The water removal drying tunnel
Automatic temperature control system include temperature diagnosis equipment, the automatic display device of temperature, temperature automatic control equipment, remove water drying tunnel
Interior point for measuring temperature at least 3, temperature diagnosis equipment is platinum thermoelectricity corner probe, and temperature automatic control equipment is digital display type temperature control
Instrument, automatic temperature control system is additionally provided with overtemperature automatic protection, alarm and stop line chain function.
6. steel workpiece continous way powder coating production line according to claim 1, it is characterised in that：The water removal drying tunnel
Gas heating system include combustion chamber, hot air circulation blower, proportion adjustment gas burner system, measuring and controlling temp probe, combustion gas adds
Hot systems are placed in water removal drying tunnel bottom, and using natural gas direct combustion mode of heating, natural gas is through combustor after burning Indoor Combustion
The heat of generation is sent into inside drying tunnel by filtering by hot air circulation blower, and takes back hot-blast stove from return air inlet, constantly circulation, heat
Wind circulating fan uses air-supply, the hot air circulation mode of lower return air under malleation air channel, and each air outlet in air delivery duct is designed with air quantity
Adjustable plate, pressure maintaining valve of the combustor equipped with control gaseous-pressure.
7. steel workpiece continous way powder coating production line according to claim 2, it is characterised in that：The solidification drying tunnel
For full bridge case structure, the substantially U-shaped passage in inner chamber of the solidification drying tunnel, including straight length and the bend pipe somewhat expanded
Section, the inner chamber left and right ends length of solidification drying tunnel is 25.0m, and the width that inner chamber is imported and exported is 1.60m, and inner chamber bend loss is maximum wide
Spend for 2.90m, cavity heights are 2.30m.
8. steel workpiece continous way powder coating production line according to claim 7, it is characterised in that：The solidification drying tunnel
It is molded by thickness 2.5mm hot rolled plate flanging, upper cornerite and lower cornerite, solidification drying tunnel spray painting is made with thickness 2.5mm carbon steels
Cladding warming plate outside processing, solidification drying tunnel, the warming plate includes warming plate inner panel, heat-insulation layer and warming plate outside plate, insulation
Thickness degree is 150mm, and heat-insulation layer material is 120kg/m3High-quality rock cotton board, assembled seam crossing using high-temperature plastic seal, protect
Warm plate inner panel material is thickness 0.80mm galvanized steel plain sheet, and warming plate outside plate material is thickness 0.80mm color steel.
9. steel workpiece continous way powder coating production line according to claim 2, it is characterised in that：The solidification drying tunnel
Automatic temperature control system include temperature diagnosis equipment, the automatic display device of temperature, temperature automatic control equipment, solidify drying tunnel
Interior point for measuring temperature at least 3, temperature diagnosis equipment is platinum thermoelectricity corner probe, and temperature automatic control equipment is digital display type temperature control
Instrument, automatic temperature control system is additionally provided with overtemperature automatic protection, alarm and stop line chain function.
10. steel workpiece continous way powder coating production line according to claim 2, it is characterised in that：The solidification is dried
The gas heating system in road includes combustion chamber, hot air circulation blower, proportion adjustment gas burner system, measuring and controlling temp probe, combustion gas
Heating system is placed in drying tunnel bottom, using natural gas direct combustion mode of heating, and natural gas is produced through combustor after burning Indoor Combustion
Raw heat is sent into inside drying tunnel by filtering by hot air circulation blower, and takes back hot-blast stove from return air inlet, constantly circulation, hot blast
Circulating fan uses air-supply, the hot air circulation mode of lower return air under malleation air channel, and each air outlet in air delivery duct is designed with air quantity tune
Save plate, pressure maintaining valve of the combustor equipped with control gaseous-pressure.
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| CN201710289314.1A CN106955829A (en) | 2017-04-27 | 2017-04-27 | Steel workpiece continous way powder coating production line |
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| CN201710289314.1A CN106955829A (en) | 2017-04-27 | 2017-04-27 | Steel workpiece continous way powder coating production line |
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Application publication date: 20170718 |