CN118045746B - Water-based PU production coating infrared heating and drying device - Google Patents
Water-based PU production coating infrared heating and drying device Download PDFInfo
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- CN118045746B CN118045746B CN202410200758.3A CN202410200758A CN118045746B CN 118045746 B CN118045746 B CN 118045746B CN 202410200758 A CN202410200758 A CN 202410200758A CN 118045746 B CN118045746 B CN 118045746B
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- infrared heating
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- 238000001035 drying Methods 0.000 title claims abstract description 62
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 46
- 239000011248 coating agent Substances 0.000 title claims abstract description 28
- 238000000576 coating method Methods 0.000 title claims abstract description 28
- 238000010438 heat treatment Methods 0.000 title claims abstract description 21
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 18
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims abstract description 78
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims abstract description 76
- 239000007789 gas Substances 0.000 claims abstract description 48
- 239000003345 natural gas Substances 0.000 claims abstract description 38
- 230000003197 catalytic effect Effects 0.000 claims abstract description 23
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 17
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 15
- 239000003054 catalyst Substances 0.000 claims abstract description 15
- 238000003756 stirring Methods 0.000 claims description 36
- 238000009434 installation Methods 0.000 claims description 23
- 238000006243 chemical reaction Methods 0.000 claims description 19
- 239000013049 sediment Substances 0.000 claims description 13
- 239000007788 liquid Substances 0.000 claims description 12
- 238000010521 absorption reaction Methods 0.000 claims description 10
- 238000001914 filtration Methods 0.000 claims description 9
- 238000005096 rolling process Methods 0.000 claims description 9
- 230000000149 penetrating effect Effects 0.000 claims description 7
- 238000003860 storage Methods 0.000 claims description 7
- 239000000203 mixture Substances 0.000 claims description 6
- 238000010030 laminating Methods 0.000 claims 1
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 abstract description 26
- 239000001569 carbon dioxide Substances 0.000 abstract description 13
- 229910002092 carbon dioxide Inorganic materials 0.000 abstract description 13
- 230000000694 effects Effects 0.000 abstract description 13
- 238000005265 energy consumption Methods 0.000 abstract description 3
- 230000007613 environmental effect Effects 0.000 abstract description 3
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- 239000004814 polyurethane Substances 0.000 description 16
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000006555 catalytic reaction Methods 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 238000013019 agitation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000010008 shearing Methods 0.000 description 2
- 229910000029 sodium carbonate Inorganic materials 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 125000000129 anionic group Chemical group 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Drying Of Solid Materials (AREA)
Abstract
An infrared heating and drying device for a water-based PU production coating belongs to the technical field of infrared heating, and aims to solve the technical problems that the existing drying mode is high in energy consumption and low in efficiency, and PU surface is easy to crack during drying; according to the invention, the first air pump and the double-headed motor are started, so that natural gas can be sprayed on the surface of the catalyst catalytic net in a reciprocating manner, meanwhile, air can be pumped to the surface of the catalyst catalytic net through the first air pump, thereby generating infrared rays, drying the water-based PU coating, and generating small bubbles through the air outlet holes by the discharged gas, wherein carbon dioxide can be absorbed by a sodium hydroxide solution, natural gas can be absorbed by the active carbon absorbing part, and the filter plate can be stirred and filtered to precipitate, and the service life of the filter plate can be prolonged through the movement of the scraper plate, so that the drying efficiency and effect of the water-based PU coating can be effectively improved, the utilization rate of resources is improved, only water and carbon dioxide are generated, and the environmental protection effect is good.
Description
Technical Field
The invention relates to the technical field of infrared heating, in particular to an infrared heating and drying device for a water-based PU production coating.
Background
The water-based PU adhesive is an anionic-based water-based polyurethane dispersoid, can be used in the fields of shoemaking, furniture, automobiles, building industry and the like, is generally coated on a release paper and other structures when in use, and is required to be dried after the coating is finished, the existing drying device generally uses a direct combustion mode of a boiler heat conduction oil or a natural gas burner to send hot air to a drying oven to heat and bake the surface of the water-based PU coating, but the drying mode has high energy consumption and low efficiency, is easy to lead the surface of the coating to be dried firstly to form a film, is airtight, and internal water vapor up-rushes when the inside is not dried and is shaped at a high temperature to lead the surface of the PU to crack, so that the drying effect is affected.
Disclosure of Invention
The invention aims to provide an infrared heating and drying device for a water-based PU production coating, which can solve the problems of high energy consumption, low efficiency and easiness in causing PU surface cracking during drying in the prior drying mode.
In order to achieve the above purpose, the present invention provides the following technical solutions: the infrared heating and drying device for the water-based PU production coating comprises a drying box, wherein conveying belt parts are arranged at two ends of the drying box in a penetrating manner, a control part is fixedly arranged on one side of the drying box, an air inlet component and a gas treatment component are respectively arranged at two sides of the drying box in an embedded manner, a gas inlet component is arranged at the upper end of the drying box in an embedded manner, an installation box is arranged in the drying box, the gas treatment component, the gas inlet component and the air inlet component are all arranged in an embedded manner with the installation box, a catalyst catalytic net is fixedly connected to the inner wall of the upper end of the installation box, the catalyst catalytic net is arc-shaped, the catalyst catalytic net is used for catalyzing natural gas and air reaction, the gas treatment component is used for treating gas discharged after the reaction, the gas inlet component is used for swinging and air inlet, and the air inlet component is used for inputting air;
The gas inlet assembly comprises a circulating part embedded at the upper end of the installation box and a swinging part arranged on the outer surface of the circulating part, the gas treatment assembly comprises a conveying part embedded at one side of the installation box and a water level control part arranged at one side of the drying box, the conveying part and the water level control part penetrate through the installation, a double-headed motor and a sodium hydroxide adding part are embedded at the upper end of the water level control part, the sodium hydroxide adding part is electrically connected with the control part, the swinging part is connected with an upper output end of the double-headed motor, the double-headed motor is electrically connected with the control part, a rotating part is arranged at the lower output end of the double-headed motor, one end of the rotating part is connected with the conveying part, an agitating filtering part is arranged on the outer surface of the rotating part, a plurality of groups of agitating filtering parts are arranged on the outer surface of the rotating part, the upper end of the drying box is fixedly provided with an active carbon absorbing part, one end of the active carbon absorbing part is embedded at the upper end of the water level control part, the circulating part is used for gas inlet, the swinging part is used for driving the circulating part to swing, the double-headed motor is used for driving the swinging part, the swinging part and the rotating part, the double-headed motor is used for driving the swinging part and the stirring part and the rotating part, the stirring part is used for driving the stirring and the stirring part, the stirring part is used for stirring and filtering suspended sediment, the conveying part, the conveying part is used for the installing the box, the box and the outer surface is connected with the conveying part, the outer surface, the surface is arranged, the outer, the surface is arranged and the surface and the outer surface is arranged and the upper, the surface and the stirring part is arranged.
Further, the air inlet assembly comprises a first air pump fixedly connected to the upper end of the drying box and a first connecting pipe fixedly connected to one end of the first air pump, the first air pump is electrically connected to the control portion, the other end of the first connecting pipe is fixedly connected to the drying box and the mounting box in a penetrating mode, the inner wall of the lower end of the mounting box is fixedly connected with supporting seats, the supporting seats are provided with two groups, the supporting seats are fixedly connected with a first connecting pipe, the first connecting pipe is provided with two groups, the two groups of the first connecting pipes are arranged below the catalytic net, the outer surface of the first connecting pipe is fixedly connected with a first air outlet nozzle, the first connecting pipe is provided with a plurality of groups of first air outlet nozzles, the first connecting pipe is fixedly connected with the two groups of first connecting pipes in a penetrating mode, the first connecting pipe is communicated with the inside of the first connecting pipes, and the first air outlet nozzles can convey air to different positions inside the mounting box.
Further, the circulation part is including embedding fixed connection at the natural gas intake pipe of stoving case and install bin upper end, the external natural gas pipeline of natural gas intake pipe one end, natural gas intake pipe other end fixedly connected with second connecting pipe, all rotate between second connecting pipe both ends and the install bin both ends inner wall and be connected with the second communicating pipe, and the second communicating pipe sets up in the catalyst catalysis online top, the second communicating pipe surface all imbeds fixedly connected with second air outlet nozzle, and the second air outlet nozzle is provided with the multiunit, two sets of second communicating pipe surface all fixedly cup joint the third gear, the second communicating pipe surface rotates and is connected with the fixing base.
Further, the swing part comprises racks which are slidably connected to the inner wall of the upper end of the installation box, the racks are provided with two groups, the two groups of racks are respectively meshed with the two groups of third gears, and the racks are used for driving the third gears to rotate in a reciprocating manner, so that swing gas outlet of the natural gas is realized.
Further, fixedly connected with T shape connecting strip between the two sets of racks, T shape connecting strip one end runs through stoving case and install bin and fixedly connected with install the strip, install the strip upper end and rotate through the pivot and be connected with the rotor bar, output fixedly connected with rotor disc on the double-end motor, rotor bar one end is close to edge through pivot and rotor disc upper end and rotates to be connected, the rotor disc is used for making T shape connecting strip reciprocating motion.
Further, the water level control part includes the backup pad of fixed connection in stoving case one side and the retort of fixed connection in the backup pad upper end, retort surface interval fixedly connected with inlet tube and outlet pipe, and all be provided with electric valve on outlet tube and the inlet tube, the external water pipe of inlet tube, the inside sodium hydroxide solution that holds of retort, retort upper end embedding is provided with the level gauge, sodium hydroxide adding part embedding sets up in the retort upper end, active carbon absorbing part one end and retort upper end embedding set up, level gauge and electric valve all with control portion electric connection, thereby the level gauge is used for detecting the liquid level and controls opening and close of inlet tube and outlet tube.
Further, the conveying component comprises a third communicating pipe, wherein one end of the third communicating pipe is embedded into one side of the drying box and one side of the installation box, the other end of the third communicating pipe penetrates through the supporting plate and is fixedly connected with the lower end of the reaction tank, a one-way valve is arranged on the third communicating pipe, one end of the third communicating pipe embedded into the reaction tank is fixedly connected with a fixed shell, the fixed shell is communicated with the inside of the third communicating pipe, the upper end of the fixed shell is provided with a plurality of groups of air outlet holes, and the air outlet holes are used for dispersing gas into small bubbles.
Further, the rotating component comprises a second gear fixedly connected to the lower output end of the double-headed motor and a supporting bar fixedly connected to the inner wall of the reaction tank, a rotating shaft is connected to the supporting bar in a penetrating and rotating mode from top to bottom, the lower end of the rotating shaft is rotationally connected to the upper end of the fixed shell, the upper end of the rotating shaft is fixedly connected with a first gear, and the first gear is meshed with the second gear.
Further, axis of rotation surface fixedly connected with stirring strip, and the stirring strip is provided with the multiunit, and the stirring strip is close to fixed casing upper end setting, and the stirring strip is used for reducing bubble size.
Further, stir the filter component and including fixed connection at the rotation frame of support bar surface, rotation frame inner wall interval fixedly connected with filter and wave board, one side that the wave board is close to the filter runs through and has offered the through-hole, rotation frame lower extreme inner wall fixedly connected with diagonal stripe, and one side that diagonal stripe and filter contacted sets up to the inclined plane, has seted up storage tank and mounting groove respectively to rotation frame inner wall both sides, storage tank inner wall fixedly connected with blend stop, mounting groove inner wall fixedly connected with spring, and the spring is provided with the multiunit, multiunit spring one end fixedly connected with scraper blade, and the scraper blade surface all laminates with diagonal stripe and filter, scraper blade and blend stop position assorted.
Compared with the prior art, the invention has the beneficial effects that:
According to the infrared heating and drying device for the water-based PU production coating, provided by the invention, through the arrangement of the air inlet component, the conveying component, the double-headed motor, the rotating component, the stirring and filtering component, the active carbon absorbing part, the circulating component, the swinging component and the catalytic net, the first air pump and the double-headed motor are started, so that natural gas can be sprayed on the surface of the catalytic net in a reciprocating manner, meanwhile, the air can be pumped to the surface of the catalytic net through the first air pump, thereby infrared rays can be generated, the water-based PU coating can be dried, small bubbles can be generated when gas in the installation box passes through the air outlet holes, carbon dioxide can be absorbed by sodium hydroxide solution, the natural gas can be absorbed by the active carbon absorbing part and then is treated and reused, the carbon dioxide and the sodium hydroxide solution can be filtered and precipitated while being stirred through the filter plate, the contact of the carbon dioxide and the sodium hydroxide solution can be promoted, the service time of the filter plate can be prolonged through the movement of the scraper plate, the drying efficiency and the effect of the water-based PU coating can be effectively improved, and the utilization ratio of resources can be improved, and only water and carbon dioxide can be generated, and the environmental protection effect is better.
Drawings
FIG. 1 is a schematic overall perspective view of the present invention;
FIG. 2 is a schematic view of the structure of the mounting box of the present invention;
FIG. 3 is a schematic view of the gas treatment module, gas inlet module and catalytic mesh of the present invention;
FIG. 4 is a schematic view showing the separation of the air intake assembly and the catalytic mesh structure of the present invention;
FIG. 5 is a schematic diagram showing the structural separation of the flow-through and oscillating member hybrid double-ended motor of the present invention;
FIG. 6 is a schematic view of a gas processing module according to the present invention;
FIG. 7 is a schematic view showing the structural separation of the conveying members of the present invention;
FIG. 8 is a schematic view of the rotary member structure of the present invention;
FIG. 9 is a schematic plan view of the structure of the agitation filter member of the present invention;
Fig. 10 is a schematic view showing the internal structure of the agitation filter member of the present invention.
In the figure: 1. a drying box; 2. an air intake assembly; 21. a first air pump; 22. a first connection pipe; 23. a support base; 24. a first communication pipe; 25. a first air outlet nozzle; 3. a conveyor belt section; 4. a gas treatment assembly; 41. a conveying member; 411. a third communicating pipe; 412. a fixed housing; 413. an air outlet hole; 42. a water level control part; 421. a support plate; 422. a reaction tank; 423. a water inlet pipe; 424. a water outlet pipe; 425. a liquid level gauge; 43. a double-ended motor; 44. a rotating member; 441. a support bar; 442. a rotating shaft; 443. a first gear; 444. a second gear; 445. stirring strips; 45. a sodium hydroxide adding part; 46. agitating the filter member; 461. a rotating frame; 462. a filter plate; 463. a wave plate; 464. diagonal stripes; 465. a storage tank; 466. a barrier strip; 467. a mounting groove; 468. a spring; 469. a scraper; 47. an activated carbon absorption section; 5. a gas inlet assembly; 51. a flow-through member; 511. a natural gas inlet pipe; 512. a second connection pipe; 513. a second communicating pipe; 514. a fixing seat; 515. a second air outlet nozzle; 516. a third gear; 52. a swinging member; 521. a rack; 522. t-shaped connecting strips; 523. a mounting bar; 524. rotating the strip; 525. a rotating disc; 6. a mounting box; 61. a catalytic mesh; 7. and a control unit.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As shown in fig. 1-3 and 6, the infrared heating and drying device for the water-based PU production coating comprises a drying box 1, wherein two ends of the drying box 1 are provided with conveying belt parts 3 in a penetrating manner, one side of the drying box 1 is fixedly provided with a control part 7, two sides of the drying box 1 are respectively provided with an air inlet component 2 and a gas treatment component 4 in an embedded manner, the upper end of the drying box 1 is provided with a gas inlet component 5, an installation box 6 is arranged in the drying box 1, the gas treatment component 4, the gas inlet component 5 and the air inlet component 2 are all embedded with the installation box 6, the inner wall of the upper end of the installation box 6 is fixedly connected with a catalyst catalytic net 61, the catalyst catalytic net 61 is arc-shaped, the catalyst catalytic net 61 is used for catalyzing the reaction of natural gas and air, the gas treatment component 4 is used for treating the gas discharged after the reaction, the gas inlet component 5 is used for swinging the gas to be inlet, and the air inlet component 2 is used for inputting air;
The gas inlet assembly 5 comprises a circulating part 51 embedded in the upper end of the mounting box 6 and a swinging part 52 arranged on the outer surface of the circulating part 51, the gas treatment assembly 4 comprises a conveying part 41 embedded in one side of the mounting box 6 and a water level control part 42 arranged on one side of the drying box 1, the conveying part 41 and the water level control part 42 are arranged in a penetrating way, a double-headed motor 43 and a sodium hydroxide adding part 45 are embedded in the upper end of the water level control part 42, the sodium hydroxide adding part 45 is electrically connected with the control part 7, the swinging part 52 is connected with the upper output end of the double-headed motor 43, the double-headed motor 43 is electrically connected with the control part 7, the lower output end of the double-headed motor 43 is provided with a rotating part 44, one end of the rotating part 44 is connected with the conveying part 41, the outer surface of the rotating part 44 is provided with stirring filter parts 46, the stirring filter parts 46 are provided with a plurality of groups, the upper end of the drying box 1 is fixedly provided with an active carbon absorption part 47, one end of the active carbon absorption part 47 is embedded with the upper end of the water level control part 42, the circulating part 51 is used for gas inlet, the swinging part 52 is used for driving the swinging part 51 to swing, the double-headed motor 43 is used for driving the swinging part 52 and the rotating part 44 to operate, the rotating part 44 is used for driving the stirring filter parts 46 to rotate so as to realize stirring, the stirring filter parts 46 are used for stirring a solution and filtering suspended sediment, the conveying part 41 is used for communicating the mounting box 6 and the water level control part 42, the water level control part 42 is used for controlling the liquid level, and the sodium hydroxide adding part 45 is used for adding sodium hydroxide at regular time.
The invention is further described below with reference to examples.
Referring to fig. 4, fig. 5 and fig. 7-fig. 10, the air intake assembly 2 includes a first air pump 21 fixedly connected to the upper end of the drying box 1 and a first connecting pipe 22 fixedly connected to one end of the first air pump 21, the first air pump 21 is electrically connected to the control portion 7, the other end of the first connecting pipe 22 is fixedly connected to the drying box 1 and the mounting box 6, the inner wall of the lower end of the mounting box 6 is fixedly connected to a supporting seat 23, two groups of supporting seats 23 are provided, a first connecting pipe 24 is fixedly connected between the two groups of supporting seats 23, the first connecting pipe 24 is provided with two groups, the first connecting pipe 24 of the two groups is arranged below the catalytic net 61, a first air outlet nozzle 25 is embedded in the outer surface of the first connecting pipe 24 and fixedly connected to the outer surface of the first connecting pipe 24, the first air outlet nozzle 25 is provided with a plurality of groups, the first connecting pipe 22 is fixedly connected to the inner portions of the first connecting pipe 24, the first connecting pipe 22 is communicated with the inner portions of the first connecting pipes 24 of the two groups, air can be conveyed to different positions inside the mounting box 6 through the first air outlet nozzles 25 of the plurality of groups, and the air can be conveyed from the inner portions of the first connecting pipes 24 through the first air outlet nozzles 21 to the inner portions of the first connecting pipes 24.
The circulation part 51 includes the natural gas intake pipe 511 of embedding fixed connection in stoving case 1 and mounting box 6 upper end, natural gas intake pipe 511 one end external natural gas pipeline, natural gas intake pipe 511 other end fixedly connected with second connecting pipe 512, all rotate between second connecting pipe 512 both ends and the mounting box 6 both ends inner wall and be connected with second communicating pipe 513, and second communicating pipe 513 sets up in catalyst catalysis net 61 top, the second air outlet nozzle 515 of all embedding fixed connection of second communicating pipe 513 surface, and second air outlet nozzle 515 is provided with the multiunit, the third gear 516 has all been fixedly cup jointed to the second communicating pipe 513 surface of two sets, second communicating pipe 513 surface rotation is connected with fixing base 514, fixing base 514 upper end and mounting box 6 upper end inner wall fixed connection, multiunit second air outlet nozzle 515 is used for dispersing the natural gas, fixing base 514 is used for supporting second communicating pipe 513, carry the natural gas through natural gas intake pipe 511, can make the natural gas discharge from multiunit second air outlet nozzle 515 get into the inside different positions of mounting box 6.
The swing member 52 includes rack 521 slidably connected to the inner wall of the upper end of the installation box 6, and the rack 521 is provided with two sets of racks 521, and the racks 521 of the two sets are respectively engaged with the third gears 516 of the two sets, and the rack 521 is used for driving the third gears 516 to reciprocally rotate, so as to realize swing gas outlet of the natural gas, and when the racks 521 of the two sets reciprocally slide, the third gears 516 can be driven to reciprocally rotate, so that the second communicating pipe 513 can drive the second gas outlet nozzle 515 to reciprocally rotate, so that the natural gas can reciprocally rotate, and the diffusion area of the natural gas can be enlarged, the opposite flow of the natural gas and the air can generate shearing force and convection effect, which is beneficial to diffusion and mixing between the two gases, and the natural gas and the air can generate 3-7 UM wavelength infrared rays under the catalysis of the catalytic net 61, so as to realize drying.
Fixedly connected with T shape connecting strip 522 between rack 521 of two sets of, T shape connecting strip 522 one end runs through stoving case 1 and install case 6 and fixedly connected with installation strip 523, installation strip 523 upper end is connected with rotation strip 524 through the pivot rotation, output fixedly connected with rolling disc 525 on the double-end motor 43, rotation strip 524 one end is connected with rolling disc 525 upper end is close to the edge rotation through the pivot, rolling disc 525 is used for making T shape connecting strip 522 reciprocating motion, can drive rolling disc 525 rotation through double-end motor 43, when rolling disc 525 rotates, rotation strip 524 can constantly push and pull installation strip 523 for T shape connecting strip 522 drives the rack 521 of two sets of reciprocating sliding.
The water level control part 42 includes fixed connection in the backup pad 421 of stoving case 1 one side and fixed connection at the retort 422 of backup pad 421 upper end, retort 422 surface interval fixedly connected with inlet tube 423 and outlet pipe 424, and all be provided with electric valve on outlet pipe 424 and the inlet tube 423, the external water pipe of inlet tube 423, the inside sodium hydroxide solution that holds of retort 422, the embedding of retort 422 upper end is provided with the level gauge 425, sodium hydroxide adding part 45 embedding sets up in retort 422 upper end, active carbon absorption part 47 one end and retort 422 upper end embedding set up, level gauge 425 and electric valve all with control part 7 electric connection, thereby the level gauge 425 is used for detecting the liquid level and is controlled opening and close of inlet tube 423 and outlet pipe 424, detect the liquid level of the inside solution of retort 422 through the level gauge 425, when the liquid level is too high or low, control opening and closing of inlet tube 423 and outlet pipe 424 through control part 7, thereby guarantee the height of liquid level.
The conveying component 41 comprises a third communicating pipe 411, one end of the third communicating pipe 411 is embedded and arranged on one side of the drying box 1 and one side of the installation box 6, the other end of the third communicating pipe 411 penetrates through a supporting plate 421 and is fixedly connected with the lower end of a reaction tank 422, a one-way valve is arranged on the third communicating pipe 411, one end of the third communicating pipe 411 embedded into the reaction tank 422 is fixedly connected with a fixed shell 412, the fixed shell 412 is communicated with the inside of the third communicating pipe 411, air outlet holes 413 are formed in the upper end of the fixed shell 412, a plurality of groups of air outlet holes 413 are formed in the air outlet holes 413 and are used for dispersing air into small bubbles, air in the installation box 6 can enter the fixed shell 412 through the third communicating pipe 411 and then be discharged through the air outlet holes 413 to enter a sodium hydroxide solution, carbon dioxide in the air can be absorbed by sodium hydroxide, and unreacted natural gas can be reused through proper treatment after being absorbed by an active carbon absorption part 47, and the effect of reducing reaction due to the generation of excessive bubbles can be avoided through the air outlet holes 413.
The rotating component 44 includes a second gear 444 fixedly connected to the lower output end of the double-headed motor 43 and a supporting bar 441 fixedly connected to the inner wall of the reaction tank 422, the supporting bar 441 vertically penetrates through and is rotatably connected with a rotating shaft 442, the lower end of the rotating shaft 442 is rotatably connected with the upper end of the fixed housing 412, the upper end of the rotating shaft 442 is fixedly connected with a first gear 443, the first gear 443 is meshed with the second gear 444, and the double-headed motor 43 can drive the second gear 444 to rotate when started, so that the first gear 443 drives the rotating shaft 442 to rotate.
The stirring strips 445 are fixedly connected to the outer surface of the rotating shaft 442, a plurality of groups of stirring strips 445 are arranged, the stirring strips 445 are arranged close to the upper end of the fixed shell 412, the stirring strips 445 are used for reducing the size of bubbles, and small bubbles can be formed after gas is discharged from the gas outlet 413 through the shearing force of the stirring strips 445, so that the contact area between the small bubbles and a solution is larger, and the absorption of carbon dioxide by sodium hydroxide is facilitated.
Stirring filter part 46 includes the rotation frame 461 of fixed connection at the support bar 441 surface, rotation frame 461 inner wall interval fixedly connected with filter plate 462 and wave plate 463, one side that wave plate 463 is close to filter plate 462 is run through and is offered the through hole, rotation frame 461 lower extreme inner wall fixedly connected with down-line 464, and one side that down-line 464 contacted with filter plate 462 sets up to the inclined plane, storage tank 465 and mounting groove 467 have been offered respectively to rotation frame 461 inner wall both sides, storage tank 465 inner wall fixedly connected with blend stop 466, mounting groove 467 inner wall fixedly connected with spring 468, and spring 468 is provided with the multiunit, the spring 468 one end fixedly connected with scraper 469 of multiunit, and scraper 469 surface and down-line 464 and filter plate 462 are all laminated, scraper 469 and blend stop 466 position phase-match, during rotation axis 442 rotates at slower speed, the solution inside reaction tank 422 can be stirred by rotation frame 461 and filter plate 462, partial solution can pass wave plate 463 and filter plate 462, the impact of rivers to filter plate 462 can reduce the sodium carbonate sediment in the solution, reduce the absorption of sodium carbonate sediment to carbon dioxide and produce the baffle plate 466, can avoid the influence of the absorption of time of carbon dioxide to the filter plate 462 to use the filter plate, can reduce the sediment time, can be in the time of the filter plate is reduced and the sediment can be removed from the sediment and the filter plate 462 is used, and the sediment can be moved down to the sediment and the filter plate has a slow speed can be reduced, and the sediment can be washed down and the sediment can be compared with the filter plate 462.
Specifically, the material that will coat there is waterborne PU runs through stoving case 1 and carries, start first air pump 21 and stud motor 43, make the natural gas carry the entering through natural gas intake pipe 511 simultaneously and install inside the case 6, stud motor 43 can drive the rolling disc 525 and rotate, thereby make the natural gas can spout reciprocally at the catalytic network 61 surface of catalyst, simultaneously can be with air pumping to catalytic network 61 surface through first air pump 21, thereby can produce the infrared ray, can dry waterborne PU coating, set fifteen meters before stoving case 1 is infrared stoving, the thirty meters of back sets up to traditional hot-blast heating stoving, can promote the stoving effect to waterborne PU coating, the inside gas of install case 6 can constantly get into the retort 422 inside and react, can generate the tiny bubble when gas passes through venthole 413, carbon dioxide in the tiny bubble can be absorbed by sodium hydroxide solution, the complete natural gas of non-reaction can be absorbed by active carbon absorption portion 47 after the processing recycle, can filter the sediment in the time of stirring through filter 462, can promote carbon dioxide and sodium hydroxide solution's contact, after a period of use, promote the motor 43, the removal of the speed of the scraper blade can be prolonged through the efficiency of the carbon dioxide, and the efficiency of drying effect can be improved through the improvement of the efficiency of the filter plate, and the improvement effect of the water-borne effect can be only to the water-borne effect of the water coating, the environmental protection effect can be improved, and the efficiency can be improved.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical solution of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (10)
1. The utility model provides an aqueous PU production coating infrared heating drying device, includes stoving case (1), and stoving case (1) both ends run through and are provided with conveyer belt portion (3), its characterized in that: the novel air dryer is characterized in that a control part (7) is fixedly arranged on one side of the drying box (1), an air inlet component (2) and a gas treatment component (4) are respectively embedded in two sides of the drying box (1), a gas inlet component (5) is embedded in the upper end of the drying box (1), an installation box (6) is arranged in the drying box (1), the gas treatment component (4), the gas inlet component (5) and the air inlet component (2) are embedded in the installation box (6), a catalyst catalytic net (61) is fixedly connected to the inner wall of the upper end of the installation box (6), the catalyst catalytic net (61) is arc-shaped, the catalyst catalytic net (61) is used for catalyzing natural gas and air reaction, the gas treatment component (4) is used for treating gas discharged after the reaction, the gas inlet component (5) is used for swinging the natural gas for inlet, and the air inlet component (2) is used for inputting air;
The gas inlet assembly (5) comprises a circulating part (51) embedded in the upper end of the mounting box (6) and a swinging part (52) arranged on the outer surface of the circulating part (51), the gas treatment assembly (4) comprises a conveying part (41) embedded in one side of the mounting box (6) and a water level control part (42) arranged on one side of the drying box (1), the conveying part (41) and the water level control part (42) are arranged in a penetrating way, a double-headed motor (43) and a sodium hydroxide adding part (45) are embedded in the upper end of the water level control part (42), the sodium hydroxide adding part (45) is electrically connected with a control part (7), the swinging part (52) is connected with the upper output end of the double-headed motor (43), the double-headed motor (43) is electrically connected with the control part (7), the lower output end of the double-headed motor (43) is provided with a rotating part (44), one end of the rotating part (44) is connected with the conveying part (41), the outer surface of the rotating part (44) is provided with an agitating and the agitating and filtering part (46) is provided with a plurality of groups, the upper end of the drying box (1) is fixedly provided with an active carbon absorbing part (47) and an active carbon absorbing part (47) is embedded in the upper end of the circulating part (47) for absorbing active carbon (51), the swinging component (52) is used for driving the circulating component (51) to swing, the double-headed motor (43) is used for driving the swinging component (52) and the rotating component (44) to operate, the rotating component (44) is used for driving the stirring filtering component (46) to rotate so as to realize stirring, the stirring filtering component (46) is used for stirring solution and filtering suspended sediment, the conveying component (41) is used for communicating the mounting box (6) with the water level control component (42), the water level control component (42) is used for controlling the liquid level, and the sodium hydroxide adding part (45) is used for adding sodium hydroxide at regular time.
2. The infrared heating and drying device for the aqueous PU production coating of claim 1, wherein: the utility model provides an air inlet subassembly (2) including fixed connection first air pump (21) and fixed connection first connecting pipe (22) in first air pump (21) one end in stoving case (1) upper end, and first air pump (21) and control portion (7) electric connection, first connecting pipe (22) other end and stoving case (1) and install case (6) all run through fixed connection, install case (6) lower extreme inner wall fixedly connected with supporting seat (23), and supporting seat (23) are provided with two sets of, two sets of supporting seat (23) between fixedly connected with first connecting pipe (24), and first connecting pipe (24) are provided with two sets of, two sets of first connecting pipe (24) set up in catalyst net (61) below, first air outlet nozzle (25) of first connecting pipe (22) and two sets of first connecting pipe (24) all run through fixed connection, first connecting pipe (24) and two sets of first connecting pipe (24) all can be connected to the same position of air outlet (6) through the inside of air inlet pipe (24) and can not send the same air inlet.
3. The infrared heating and drying device for the aqueous PU production coating of claim 1, wherein: the circulation part (51) comprises a natural gas inlet pipe (511) which is embedded and fixedly connected to the upper ends of the drying box (1) and the mounting box (6), one end of the natural gas inlet pipe (511) is externally connected with a natural gas pipeline, the other end of the natural gas inlet pipe (511) is fixedly connected with a second connecting pipe (512), two ends of the second connecting pipe (512) are rotatably connected with second communicating pipes (513) between the two ends of the mounting box (6) and the inner walls of the two ends of the mounting box, the second communicating pipes (513) are arranged above the catalytic net (61), the outer surfaces of the second communicating pipes (513) are embedded and fixedly connected with second air outlet nozzles (515), the second air outlet nozzles (515) are provided with a plurality of groups, the outer surfaces of the second communicating pipes (513) are fixedly sleeved with third gears (516), and the outer surfaces of the second communicating pipes (513) are rotatably connected with fixing seats (514).
4. The infrared heating and drying device for the water-based PU production coating as claimed in claim 3, wherein: the swing part (52) comprises racks (521) which are slidably connected to the inner wall of the upper end of the installation box (6), the racks (521) are provided with two groups, the two groups of racks (521) are respectively connected with the two groups of third gears (516) in a meshed mode, and the racks (521) are used for driving the third gears (516) to rotate in a reciprocating mode, so that swing gas outlet of natural gas is achieved.
5. The infrared heating and drying device for the water-based PU production coating as claimed in claim 4, wherein: fixedly connected with T shape connecting strip (522) between two sets of rack (521), T shape connecting strip (522) one end runs through stoving case (1) and install case (6) and fixedly connected with install strip (523), install strip (523) upper end and rotate through the pivot and be connected with rotation strip (524), output fixedly connected with rolling disc (525) on double-end motor (43), rotation strip (524) one end is close to edge rotation connection through pivot and rolling disc (525) upper end, rolling disc (525) are used for making T shape connecting strip (522) reciprocating motion.
6. The infrared heating and drying device for the aqueous PU production coating of claim 1, wherein: the utility model provides a water level control part (42) is including fixed connection backup pad (421) in stoving case (1) one side and fixed connection retort (422) in backup pad (421) upper end, retort (422) surface interval fixedly connected with inlet tube (423) and outlet pipe (424), and all be provided with electric valve on outlet pipe (424) and inlet tube (423), external water pipe of inlet tube (423), sodium hydroxide solution has been held to retort (422) inside, retort (422) upper end embedding is provided with liquid level gauge (425), sodium hydroxide adding part (45) embedding sets up in retort (422) upper end, active carbon absorption part (47) one end and retort (422) upper end embedding set up, liquid level gauge (425) and electric valve all with control portion (7) electric connection, thereby liquid level gauge (425) are used for detecting the liquid level and control opening and close of inlet tube (423) and outlet tube (424).
7. The infrared heating and drying device for the water-based PU production coating as claimed in claim 6, wherein: the conveying component (41) comprises a third communicating pipe (411) with one end embedded in one side of the drying box (1) and one side of the installation box (6), the other end of the third communicating pipe (411) penetrates through the supporting plate (421) and is fixedly connected with the lower end of the reaction tank (422), a one-way valve is arranged on the third communicating pipe (411), one end of the third communicating pipe (411) embedded in the reaction tank (422) is fixedly connected with a fixed shell (412), the fixed shell (412) is internally communicated with the third communicating pipe (411), the upper end of the fixed shell (412) is provided with air outlet holes (413), the air outlet holes (413) are provided with a plurality of groups, and the air outlet holes (413) are used for dispersing gas into small bubbles.
8. The infrared heating and drying device for the aqueous PU production coating of claim 7, wherein: the rotating component (44) comprises a second gear (444) fixedly connected to the lower output end of the double-headed motor (43) and a supporting bar (441) fixedly connected to the inner wall of the reaction tank (422), the supporting bar (441) penetrates through the rotating shaft (442) up and down, the lower end of the rotating shaft (442) is rotationally connected with the upper end of the fixed shell (412), the upper end of the rotating shaft (442) is fixedly connected with a first gear (443), and the first gear (443) is meshed with the second gear (444).
9. The infrared heating and drying device for the aqueous PU production coating of claim 8, wherein: the stirring strips (445) are fixedly connected to the outer surface of the rotating shaft (442), a plurality of groups of stirring strips (445) are arranged, the stirring strips (445) are arranged close to the upper end of the fixed shell (412), and the stirring strips (445) are used for reducing the size of bubbles.
10. The infrared heating and drying device for the aqueous PU production coating of claim 8, wherein: stirring filter component (46) are including rotating frame (461) of fixed connection at support bar (441) surface, rotating frame (461) inner wall interval fixedly connected with filter (462) and wave board (463), one side that wave board (463) is close to filter (462) runs through and has offered the through hole, rotating frame (461) lower extreme inner wall fixedly connected with diagonal stripe (464), and one side that diagonal stripe (464) contacted with filter (462) sets up to the inclined plane, storage tank (465) and mounting groove (467) have been seted up respectively to rotating frame (461) inner wall both sides, storage tank (465) inner wall fixedly connected with blend stop (466), mounting groove (467) inner wall fixedly connected with spring (468), and spring (468) are provided with the multiunit, multiunit spring (468) one end fixedly connected with scraper blade (469), and scraper blade (469) surface and equal laminating of diagonal stripe (464) and filter (462), scraper blade (469) and blend stop (466) position phase-match.
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| CN202410200758.3A CN118045746B (en) | 2024-02-23 | 2024-02-23 | Water-based PU production coating infrared heating and drying device |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105486076A (en) * | 2016-01-19 | 2016-04-13 | 周海波 | Fuel gas catalysis non-flame infrared radiation heating fast drying room for modular coach |
| CN112611164A (en) * | 2020-11-25 | 2021-04-06 | 江苏汇能燃气催化科技有限公司 | Gas catalyst catalytic infrared reaction box |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9789514B2 (en) * | 2008-05-08 | 2017-10-17 | Primetals Technologies France SAS | Method of drying and/or curing an organic coating on a continuously running metal strip, and device for implementing this method |
| BR112022004908A2 (en) * | 2020-03-12 | 2022-10-04 | Ayotte Techno Gaz Inc | SYSTEM AND PROCESS FOR CURING A WET COATING APPLIED TO A SUBSTRATE |
| CN216459893U (en) * | 2021-12-13 | 2022-05-10 | 广州市蓝炬能源科技有限公司 | Gas infrared heating's color coat solidification oven |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105486076A (en) * | 2016-01-19 | 2016-04-13 | 周海波 | Fuel gas catalysis non-flame infrared radiation heating fast drying room for modular coach |
| CN112611164A (en) * | 2020-11-25 | 2021-04-06 | 江苏汇能燃气催化科技有限公司 | Gas catalyst catalytic infrared reaction box |
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