CN110588150B - Suspended natural gas catalyst catalytic combustion transfer printing system and method - Google Patents
Suspended natural gas catalyst catalytic combustion transfer printing system and method Download PDFInfo
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- CN110588150B CN110588150B CN201910940528.XA CN201910940528A CN110588150B CN 110588150 B CN110588150 B CN 110588150B CN 201910940528 A CN201910940528 A CN 201910940528A CN 110588150 B CN110588150 B CN 110588150B
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- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 title claims abstract description 88
- 238000010023 transfer printing Methods 0.000 title claims abstract description 45
- 239000003345 natural gas Substances 0.000 title claims abstract description 44
- 238000007084 catalytic combustion reaction Methods 0.000 title claims abstract description 23
- 239000003054 catalyst Substances 0.000 title claims abstract description 18
- 238000000034 method Methods 0.000 title claims abstract description 14
- 238000010438 heat treatment Methods 0.000 claims abstract description 56
- 230000007246 mechanism Effects 0.000 claims abstract description 35
- 238000004321 preservation Methods 0.000 claims abstract description 32
- 239000000725 suspension Substances 0.000 claims abstract description 14
- 230000005855 radiation Effects 0.000 claims abstract description 13
- 229920000742 Cotton Polymers 0.000 claims description 27
- 238000006243 chemical reaction Methods 0.000 claims description 23
- 239000007789 gas Substances 0.000 claims description 13
- 238000003860 storage Methods 0.000 claims description 12
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 238000004040 coloring Methods 0.000 abstract description 2
- 239000002737 fuel gas Substances 0.000 abstract 2
- 238000012546 transfer Methods 0.000 description 12
- 230000006872 improvement Effects 0.000 description 9
- 238000005516 engineering process Methods 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 238000002485 combustion reaction Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 239000002023 wood Substances 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F16/00—Transfer printing apparatus
- B41F16/0006—Transfer printing apparatus for printing from an inked or preprinted foil or band
- B41F16/0073—Transfer printing apparatus for printing from an inked or preprinted foil or band with means for printing on specific materials or products
- B41F16/008—Transfer printing apparatus for printing from an inked or preprinted foil or band with means for printing on specific materials or products for printing on three-dimensional articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F16/00—Transfer printing apparatus
- B41F16/0006—Transfer printing apparatus for printing from an inked or preprinted foil or band
- B41F16/0093—Attachments or auxiliary devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M5/00—Duplicating or marking methods; Sheet materials for use therein
- B41M5/025—Duplicating or marking methods; Sheet materials for use therein by transferring ink from the master sheet
- B41M5/035—Duplicating or marking methods; Sheet materials for use therein by transferring ink from the master sheet by sublimation or volatilisation of pre-printed design, e.g. sublistatic
- B41M5/0353—Duplicating or marking methods; Sheet materials for use therein by transferring ink from the master sheet by sublimation or volatilisation of pre-printed design, e.g. sublistatic using heat shrinkable film material; Thermotransfer combined with the shaping of the workpiece; Recto-verso printing; Image correction
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41P—INDEXING SCHEME RELATING TO PRINTING, LINING MACHINES, TYPEWRITERS, AND TO STAMPS
- B41P2219/00—Printing presses using a heated printing foil
- B41P2219/30—Printing dies
- B41P2219/31—Heating means
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41P—INDEXING SCHEME RELATING TO PRINTING, LINING MACHINES, TYPEWRITERS, AND TO STAMPS
- B41P2219/00—Printing presses using a heated printing foil
- B41P2219/40—Material or products to be decorated or printed
- B41P2219/43—Three-dimensional articles
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Tunnel Furnaces (AREA)
Abstract
The embodiment of the invention discloses a suspended natural gas catalyst catalytic combustion transfer printing system, which comprises a heat preservation furnace body, wherein a heating plate support is arranged in the heat preservation furnace body, and a heating plate is arranged on the heating plate support; the top of the heat preservation furnace body is provided with a furnace air conveying fan; a suspension conveying mechanism is arranged above the heating plate brackets which are oppositely arranged on the left and the right; the workpiece can be hung on the hanging and conveying mechanism and can move in the heat-insulating furnace body according to a preset speed; the heating plate is filled with natural gas, and infrared radiation is generated by burning the natural gas to heat the workpiece. The embodiment of the invention also discloses a transfer printing method for catalytic combustion of the suspended natural gas catalyst. By adopting the invention, the temperature of the workpiece can be raised through the fuel gas, the heat transfer printing is realized, the efficiency is high, the coloring is uniform, the fuel gas consumption is low, and the production cost is reduced.
Description
Technical Field
The invention relates to thermal transfer printing equipment and a thermal transfer printing method, in particular to a suspended natural gas catalyst catalytic combustion transfer printing system and a suspended natural gas catalyst catalytic combustion transfer printing method.
Background
With the development of the technology, the traditional high-temperature 180-200 ℃ heating time of the aluminum door and window is 15-20 minutes, and the vacuum-pumping heat transfer printing technology and equipment are reformed and applied to the pattern decoration of the artificial board powder coating. The traditional high-temperature vacuum film and thermal transfer paper technology are simultaneously applied, the vacuum degree of the equipment is improved in the early stage to reduce the thermal transfer temperature of the artificial board to 150-160 ℃, and water vapor volatilized from the artificial board in the vacuum film bag is timely removed to ensure the vacuum degree, so that the thermal transfer technology with low price and vivid and attractive patterns is applied to the thermal sensitive material artificial board.
At present, the heat transfer technology mainly uses a hot air and vacuumizing mode, hot air is generated by a burner and then is driven by a circulating fan to generate circulating hot air to heat a product. The mode of transferring heat into the workpiece through hot air has high requirements on the heat conducting performance of the workpiece, for example, for transfer printing using a wood board as a base material, the heat conducting coefficient of the wood board is low, so that the heat is easily transferred unevenly, the final color is uneven, and the product quality is influenced. Therefore, if the existing transfer printing technology is used for nonmetal with low heat conductivity coefficient, the pattern is not uniform and not clear easily due to uneven heat transfer, and the market demand cannot be met.
Disclosure of Invention
The technical problem to be solved by the embodiment of the invention is to provide a suspended natural gas catalyst catalytic combustion transfer printing system and method, which can heat a workpiece through gas heating, realize thermal transfer printing, have high efficiency, uniform coloring and low gas consumption, and reduce the production cost.
In order to solve the technical problem, the embodiment of the invention provides a suspended natural gas catalyst catalytic combustion transfer printing system, which comprises a heat preservation furnace body, wherein a heating plate support is arranged in the heat preservation furnace body, and a heating plate is arranged on the heating plate support;
the top of the heat preservation furnace body is provided with a furnace air conveying fan;
a suspension conveying mechanism is arranged above the heating plate brackets which are oppositely arranged on the left and the right;
the workpiece can be hung on the hanging and conveying mechanism and can move in the heat-insulating furnace body according to a preset speed;
the heating plate is filled with natural gas, and infrared radiation is generated by burning the natural gas to heat the workpiece.
As an improvement of the above scheme, the heating plates are vertically mounted on the heating plate bracket at a predetermined distance from each other; the heating plates at the uppermost end and the lowermost end exceed the corresponding edges of the workpiece.
As an improvement of the proposal, the heating plates positioned at the uppermost end and the lowermost end incline towards the edge direction of the workpiece.
As an improvement of the scheme, the heating plate comprises a shell, a pressure-equalizing square tube, pressure-equalizing cotton and reaction cotton; the pressure-equalizing square tube is arranged at the bottom of the shell and connected with the natural gas tube, and a gas outlet hole is formed in the pressure-equalizing square tube; the pressure equalizing cotton is arranged between the reaction cotton and the pressure equalizing square tube and is used for equalizing and diffusing natural gas; the reaction cotton is internally provided with a preheating heating tube for heating the reaction cotton to a reaction temperature before starting working.
As an improvement of the scheme, the suspension transportation mechanism is supported in the heat-preservation furnace body through a supporting structure, and a fresh air duct is formed between the supporting structure and the inner wall of the heat-preservation furnace body; the supporting mechanism is provided with a side air port and a top air port, the air conveying fan in the furnace is arranged above the top air port and used for driving air in the furnace to circularly flow in the direction from the fresh air duct, the side air port, the heating plate and the workpiece to the top air port to form an internal circulation air system.
As an improvement of the scheme, the top of the heat preservation furnace body is provided with an exhaust fan, the bottom of the heat preservation furnace body is provided with an air supply fan, the air supply fan is communicated with the lower end of the fresh air duct through a bottom air supply pipe, and the air supply fan, the bottom air supply pipe, the fresh air duct and the exhaust fan form a fresh air supply system.
As an improvement of the scheme, the temperature in the heat preservation furnace body is controlled through a plurality of intervals; the furnace comprises a front region and a rear region, wherein the air temperature in each region is independently controlled, the gas pressure is divided into 5 sections from top to bottom, and the two sides of the furnace are independently controlled.
As an improvement of the scheme, the device also comprises a temporary workpiece storage mechanism; the suspension conveying mechanism comprises a main conveying chain, the workpiece temporary storage mechanism comprises two auxiliary conveying chains, and the two auxiliary conveying chains are horizontally arranged in the same direction at a preset distance in a workpiece temporary storage area; the main conveying chain and the auxiliary conveying chain are provided with an intersection point, and a suspended workpiece channel changing mechanism for switching between the main conveying chain and the auxiliary conveying chain is arranged at the intersection point.
Correspondingly, the invention also provides a suspended natural gas catalyst catalytic combustion transfer printing method, which adopts the suspended natural gas catalyst catalytic combustion transfer printing system for workpiece treatment and comprises the following steps:
s1, ventilating and catalyzing infrared radiation;
s2, inputting workpiece running speed and furnace temperature parameters;
s3, hanging the workpiece on a suspension conveying mechanism in a feeding area;
s4, conveying the workpiece into a heat preservation furnace body through a suspension conveying mechanism to be heated for baking and heat transfer printing;
and S5, taking down the workpiece subjected to thermal transfer printing in the blanking area.
As an improvement of the scheme, the running speed of the workpiece in the heat preservation furnace body is 10-15m/min, and the running time is 8-11 min.
As an improvement of the scheme, the plate surface thermal transfer printing temperature of the workpiece in the heat preservation furnace body is 120-140 ℃.
The embodiment of the invention has the following beneficial effects:
by adopting the equipment and the method, the mass production can be continuously carried out, and the production efficiency is high. The furnace temperature is accurately controlled, the product moving speed is controllable, and the furnace is suitable for thermal transfer printing of materials with different sizes and different materials. The infrared baking temperature rise speed is high, the temperature is uniform, the baking consistency is good by matching with the heat transfer of hot air, the color difference is avoided, and the heat transfer printing requirement on the concave-convex surface with higher technological requirement is met. The work piece hangs the operation, and the work piece hangs down naturally under the action of gravity, and the cooperation symmetry is located the heating plate of its both sides and is heated up, and both sides heat up in step, and the work piece is non-deformable. Utilize the natural gas to carry out the flameless combustion reaction completely on the catalyst surface and carry out the radiation and toast, so efficient, the gas consumption is little, absolute explosion-proof to the board that generates heat is evenly arranged, and the temperature is even, so color evenly, reduction in production cost.
Drawings
FIG. 1 is a schematic structural diagram of a heat-preserving furnace body of a suspended natural gas catalytic combustion transfer printing system according to the present invention;
FIG. 2 is a schematic view of the overall construction of the combustion plate of the present invention;
FIG. 3 is a schematic view of the internal structure of the combustion plate of the present invention;
FIG. 4 is a schematic view of the construction of the expansion chamber of the present invention;
FIG. 5 is a schematic view of the gas supply line distribution of the present invention;
FIG. 6 is a schematic structural diagram of a suspended transportation mechanism of a suspended natural gas catalytic combustion transfer printing system according to the present invention;
FIG. 7 is an enlarged view of portion A of FIG. 6;
FIG. 8 is a schematic diagram of the overall structure of a suspended natural gas catalytic combustion transfer printing system according to the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings. It is only noted that the invention is intended to be limited to the specific forms set forth herein, including any reference to the drawings, as well as any other specific forms of embodiments of the invention.
As shown in fig. 1, an embodiment of the present invention provides a suspended natural gas catalyst catalytic combustion transfer printing system, which includes a heat preservation furnace body 1, a heating plate support 2 is arranged in the heat preservation furnace body 1, and a heating plate 3 is arranged on the heating plate support 2; the top of the heat preservation furnace body 1 is provided with a furnace air conveying fan 4; a hanging and conveying mechanism 5 is arranged above the heating plate brackets 2 which are oppositely arranged on the left and the right; the workpiece can be hung on the hanging and conveying mechanism 5 and moves in the heat-preserving furnace body 1 according to a preset speed; the heating plate 3 is filled with natural gas, and infrared radiation is generated by burning the natural gas to heat the workpiece.
Preferably, the heating plates 3 are vertically arranged on the heating plate bracket 2 at intervals and preset distances, so that circulating air in the furnace can pass through the heating plates 3, heat generated by the heating plates 3 is transferred to a workpiece in a heat transfer mode, and the workpiece is ensured to be rapidly and uniformly heated. Preferably, the heating plates (3a, 3b) positioned at the uppermost end and the lowermost end can exceed the corresponding edges of the workpiece, so that the heat generated by the heating plates 3 covers the whole surface of the workpiece, and the edges of the workpiece are prevented from forming low-temperature areas to influence the transfer quality. Furthermore, the heating plates (3a, 3b) positioned at the uppermost end and the lowermost end can also incline towards the edge direction of the workpiece, the infrared radiation direction of the heating plates 3 is changed, and the areas with lower temperature at the uppermost end and the lowermost end of the workpiece are subjected to infrared radiation baking, so that the problem of poor texture at the upper end and the lower end is solved.
Referring to fig. 2 and 3, the heating plate 3 includes a shell 31, a pressure equalizing square tube 32, a support screen 36, pressure equalizing cotton 33, reaction cotton 34, and a double-layer protection net 35, wherein the pressure equalizing square tube 32 is disposed at the bottom of the shell 31 and connected to a natural gas tube, and is provided with a gas outlet 321; the supporting screen plate 36 is arranged below the pressure equalizing cotton 33 and used for fixing the pressure equalizing cotton 33; the pressure equalizing cotton 33 is arranged between the reaction cotton 34 and the supporting screen plate 36 and is used for equalizing and diffusing natural gas so that the natural gas is fully contacted with the reaction cotton 34; the reaction cotton 34 is provided with a preheating heating pipe 36 for heating the reaction cotton 34 to a reaction temperature before starting operation. The double-layer protection net 35 is used for compressing the reaction cotton 34, fixing the reaction cotton 34 and protecting various elements in the shell 31. Before working, the preheating heating tube 36 is electrified to work, and the temperature of the reaction cotton 34 is raised to a preset reaction temperature; pressure-equalizing side pipe 32 begins to let in the natural gas, and the natural gas begins the pressure-equalizing diffusion through pressure-equalizing cotton 33, then contacts with reaction cotton 34, and the natural gas reacts with the oxygen in the air under reaction cotton 34's catalytic action to infrared form outwards gives off the heat, carries out the radiation heating to the work piece that is located its the place ahead. The power of the heating plate 3 can be adjusted by controlling the pressure of the introduced natural gas.
In order to ensure the temperature in the furnace to be uniform, the suspension transportation mechanism 5 is supported in the heat-insulating furnace body 1 through a supporting structure 7, and a fresh air duct 8 is formed between the supporting structure 7 and the inner wall of the heat-insulating furnace body 1; the supporting mechanism is provided with a side air port and a top air port, the air conveying fan 4 in the furnace is arranged above the top air port and used for driving air in the furnace to circularly flow in the direction from the fresh air duct 8, the side air port, the heating plate 3 and the workpiece to the top air port to form an internal circulation air system. The top of the heat preservation furnace body 1 is provided with an exhaust fan 6, the bottom of the heat preservation furnace body is provided with an air supply fan 19, the air supply fan 19 is communicated with the lower end of the fresh air duct 8 through a bottom air supply pipe 20, and the air supply fan 19, the bottom air supply pipe 20, the fresh air duct 8 and the exhaust fan 6 form a fresh air supply system.
Through the air channel design, a total heating control scheme is formed and is a gas medium wave infrared fixed output, and the air temperature in the furnace adopts a closed-loop constant temperature design and a three-dimensional temperature control scheme of temperature vector frequency conversion control. The outside air can rapidly flow through the narrow fresh air channel 8, and the outer side surface of the supporting structure 7 is ensured to be contacted with the fresh air all the time; fortune fan 4 in the cooperation stove, with the air suction of 7 lateral surfaces of bearing structure 3 departments that generate heat, make the air blow forward from the rear direction of 3 boards that generate heat, then with the work piece contact, the high temperature that 3 boards 3 during operations that will generate heat transmits the work piece fast, guarantees that workpiece surface temperature is even, thereby solves the infrared difficult radiation of complicated work piece surface and rendition bad problem.
In addition, with reference to fig. 4 and 5, the transfer printing system adopts a heating structure similar to a tunnel kiln, and the temperature is controlled through a plurality of sections in a heat-preserving furnace body. Preferably, the furnace comprises 8 areas in front and back, the air temperature in each area is independently controlled, the gas pressure is divided into 5 sections up and down, and the two sides of the furnace are independently controlled so as to accurately control the temperature. The energy (power) output range of each group of combustion plates is large and is adjustable from 30% -100%: the corresponding gas pressure range is 4.5-15 KPa. Preferably, the two ends of the heat preservation furnace body are also provided with air expansion chambers 18, so that the pressure fluctuation of the air in the furnace body is buffered, the frequent discharge of high-temperature air in the furnace or the suction of external low-temperature air in the furnace caused by the air flow expansion and contraction due to the air pressure fluctuation in the furnace body is avoided, the heat loss is greatly reduced, and the energy conservation and the environmental protection are realized.
Referring to fig. 6-8, in order to ensure the temperature uniformity of the transfer surface during the heat transfer process, the major surface of the workpiece needs to be substantially parallel to the heating plate, i.e. the long side of the plate is the same as the moving direction, which occupies a large space and is not favorable for storage after the transfer process. Therefore, the scheme also provides a temporary workpiece storage mechanism; the suspension conveying mechanism 5 comprises a main conveying chain 9, the workpiece temporary storage mechanism comprises two auxiliary conveying chains (10,11), and the two auxiliary conveying chains (10,11) are horizontally arranged at intervals of a preset distance in the workpiece temporary storage area in the same direction; the main conveying chain 9 and the auxiliary conveying chains (10,11) are provided with an intersection point 17, and a lane changing mechanism for switching the suspended workpieces between the main conveying chain 9 and the auxiliary conveying chains (10,11) is arranged at the intersection point 17. The lane changing mechanism comprises a lane changing slide rail and a lane changing device, the lane changing slide rail comprises an upper slide rail 12 and a lower slide rail 13, the upper slide rail 12 is provided with a driving slide block 14 connected with a corresponding main conveying chain 9 or an auxiliary conveying chain (10,11), the lower slide rail 13 is provided with a driven slide block 15 used for hanging a workpiece, and the driving slide block 14 drives the driven slide block 15 to move through a separable connecting piece 16. The lane changer comprises a driving roller wheel and a shifting piece, wherein the driving roller wheel can drive the shifting piece to swing, and a driven slider 15 connected with a driving slider 14 on a main conveying chain 9 or an auxiliary conveying chain (10,11) is moved to be connected with a driving slider 14 on another main conveying chain 9 or an auxiliary conveying chain (10,11), so that the orientation of a workpiece is changed, and the workpiece can be stored in a workpiece temporary storage area side by side.
Correspondingly, the invention also provides a suspended natural gas catalyst catalytic combustion transfer printing method, which adopts the suspended natural gas catalyst catalytic combustion transfer printing system for workpiece treatment and comprises the following steps:
s1, ventilating and catalyzing infrared radiation;
s2, inputting workpiece running speed and furnace temperature parameters;
s3, hanging the workpiece on the hanging and conveying mechanism 5 in the feeding area;
s4, conveying the workpiece into the heat preservation furnace body 1 through the suspension conveying mechanism 5 to be heated for baking and heat transfer printing;
and S5, taking down the workpiece subjected to thermal transfer printing in the blanking area.
Preferably, the running speed of the workpiece in the heat preservation furnace body 1 is 10-15m/min, and the running time is 8-11 min. The plate surface thermal transfer printing temperature of the workpiece when the workpiece runs in the heat preservation furnace body 1 is 120-140 ℃.
By adopting the equipment and the method, the mass production can be continuously carried out, and the production efficiency is high. The furnace temperature is accurately controlled, the product moving speed is controllable, and the furnace is suitable for thermal transfer printing of materials with different sizes and different materials. The infrared baking temperature rise speed is high, the temperature is uniform, the baking consistency is good by matching with the heat transfer of hot air, the color difference is avoided, and the heat transfer printing requirement on the concave-convex surface with higher technological requirement is met. The work piece hangs the operation, and the work piece hangs down naturally under the action of gravity, and the cooperation symmetry is located the heating plate of its both sides and is heated up, and both sides heat up in step, and the work piece is non-deformable. Utilize the natural gas to carry out the flameless combustion reaction completely on the catalyst surface and carry out the radiation and toast, so efficient, the gas consumption is little, absolute explosion-proof to the board that generates heat is evenly arranged, and the temperature is even, so color evenly, reduction in production cost.
While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention.
Claims (7)
1. A suspended natural gas catalyst catalytic combustion transfer printing system is characterized by comprising a heat preservation furnace body, wherein a heating plate support is arranged in the heat preservation furnace body, and a heating plate is arranged on the heating plate support;
the top of the heat preservation furnace body is provided with a furnace air conveying fan;
a suspension conveying mechanism is arranged above the heating plate brackets which are oppositely arranged on the left and the right;
the workpiece can be hung on the hanging and conveying mechanism and can move in the heat-insulating furnace body according to a preset speed; the system also comprises a workpiece temporary storage mechanism; the suspension conveying mechanism comprises a main conveying chain, the workpiece temporary storage mechanism comprises two auxiliary conveying chains, and the two auxiliary conveying chains are horizontally arranged in the same direction at a preset distance in a workpiece temporary storage area; the main conveying chain and the auxiliary conveying chain are provided with an intersection point, and a suspended workpiece lane changing mechanism for switching between the main conveying chain and the auxiliary conveying chain is arranged at the intersection point;
the lane changing mechanism comprises a lane changing slide rail and a lane changer, the lane changing slide rail comprises an upper slide rail and a lower slide rail, the upper slide rail is provided with a driving slide block connected with a corresponding main conveying chain or an auxiliary conveying chain, the lower slide rail is provided with a driven slide block used for hanging a workpiece, and the driving slide block drives the driven slide block to move through a separable connecting piece; the lane changer comprises a driving roller and a shifting piece, wherein the driving roller can drive the shifting piece to swing, and a driven sliding block connected with a driving sliding block on a main conveying chain or an auxiliary conveying chain is moved to be connected with a driving sliding block on another main conveying chain or an auxiliary conveying chain, so that the orientation of workpieces is changed, and the workpieces can be stored in a temporary workpiece storage area side by side;
the heating plate is filled with natural gas, and infrared radiation is generated by burning the natural gas to heat the workpiece;
the suspension transportation mechanism is supported in the heat-preservation furnace body through a supporting structure, and a fresh air duct is formed between the supporting structure and the inner wall of the heat-preservation furnace body; the supporting mechanism is provided with a side air port and a top air port, the air conveying fan in the furnace is arranged above the top air port and used for driving air in the furnace to circularly flow in the direction from the fresh air duct, the side air port, the heating plate and the workpiece to the top air port to form an internal circulating air system;
the top of the heat preservation furnace body is provided with an exhaust fan, the bottom of the heat preservation furnace body is provided with an air supply fan, the air supply fan is communicated with the lower end of the fresh air duct through a bottom air supply pipe, and the air supply fan, the bottom air supply pipe, the fresh air duct and the exhaust fan form a fresh air supply system.
2. The suspended natural gas catalytic combustion transfer printing system of claim 1, wherein the heat generating plates are vertically mounted on the heat generating plate support at a predetermined distance from each other; the heating plates at the uppermost end and the lowermost end exceed the corresponding edges of the workpiece.
3. The suspended natural gas catalytic combustion transfer printing system as claimed in claim 2, wherein the uppermost and lowermost heating plates are inclined toward the edge of the workpiece.
4. The suspended natural gas catalytic combustion transfer printing system of claim 1, wherein the heating plate comprises a shell, a pressure equalizing square tube, pressure equalizing cotton and reaction cotton; the pressure-equalizing square tube is arranged at the bottom of the shell and connected with the natural gas tube, and a gas outlet hole is formed in the pressure-equalizing square tube; the pressure equalizing cotton is arranged between the reaction cotton and the pressure equalizing square tube and is used for equalizing and diffusing natural gas; the reaction cotton is internally provided with a preheating heating tube for heating the reaction cotton to a reaction temperature before starting working.
5. The suspended natural gas catalytic combustion transfer printing system of claim 1, wherein the temperature in the heat-insulating furnace is controlled by a plurality of zones; the furnace comprises a front region and a rear region, wherein the air temperature in each region is independently controlled, the gas pressure is divided into 5 sections from top to bottom, and the two sides of the furnace are independently controlled.
6. A suspended natural gas catalyst catalytic combustion transfer printing method, which is characterized in that the suspended natural gas catalyst catalytic combustion transfer printing system according to any one of claims 1-5 is adopted for workpiece treatment, and comprises the following steps:
s1, ventilating and catalyzing infrared radiation;
s2, inputting workpiece running speed and furnace temperature parameters;
s3, hanging the workpiece on a suspension conveying mechanism in a feeding area;
s4, conveying the workpiece into a heat preservation furnace body through a suspension conveying mechanism to be heated for baking and heat transfer printing;
and S5, taking down the workpiece subjected to thermal transfer printing in the blanking area.
7. The transfer printing method of claim 6, wherein the operation speed of the workpiece in the heat-preserving furnace is 10-15m/min, and the operation time is 8-11 min; the plate surface thermal transfer printing temperature of the workpiece in operation in the heat preservation furnace body is 120-140 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910940528.XA CN110588150B (en) | 2019-09-30 | 2019-09-30 | Suspended natural gas catalyst catalytic combustion transfer printing system and method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910940528.XA CN110588150B (en) | 2019-09-30 | 2019-09-30 | Suspended natural gas catalyst catalytic combustion transfer printing system and method |
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| CN110588150A CN110588150A (en) | 2019-12-20 |
| CN110588150B true CN110588150B (en) | 2021-04-02 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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| CN108787378B (en) * | 2017-05-12 | 2023-07-28 | 佛山宜可居新材料有限公司 | Equipment and method for curing powder coating on surface of artificial board |
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| CN110252618A (en) * | 2019-06-14 | 2019-09-20 | 苏州卡泰里环保能源有限公司 | A kind of module chemical industry baking finish device |
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| CN103736641A (en) * | 2014-01-13 | 2014-04-23 | 周海波 | Gas-catalysis flameless infrared radiation drying tunnel with modular assembly structure |
| CN105457865A (en) * | 2016-01-08 | 2016-04-06 | 周海波 | Gas-catalytic, flameless and infrared-radiation hot air internal recycle drying unit module of passenger car |
| CN106391420A (en) * | 2016-10-31 | 2017-02-15 | 苏州格瑞涂装科技有限公司 | Natural gas catalyst catalytic combustion medium wave infrared radiation heating and solidifying method and equipment thereof |
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