CN110044139B - Furniture water paint drying system - Google Patents
Furniture water paint drying system Download PDFInfo
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- CN110044139B CN110044139B CN201910228672.0A CN201910228672A CN110044139B CN 110044139 B CN110044139 B CN 110044139B CN 201910228672 A CN201910228672 A CN 201910228672A CN 110044139 B CN110044139 B CN 110044139B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/02—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by baking
- B05D3/0254—After-treatment
- B05D3/029—After-treatment with microwaves
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/04—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to gases
- B05D3/0406—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to gases the gas being air
- B05D3/0413—Heating with air
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
- B27K5/00—Treating of wood not provided for in groups B27K1/00, B27K3/00
- B27K5/001—Heating
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- 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
- F26B15/10—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 a path composed of one or more straight lines, e.g. compound, the movement being in alternate horizontal and vertical directions
- F26B15/12—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 a path composed of one or more straight lines, e.g. compound, the movement being in alternate horizontal and vertical directions the lines being all horizontal or slightly inclined
- F26B15/122—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 a path composed of one or more straight lines, e.g. compound, the movement being in alternate horizontal and vertical directions the lines being all horizontal or slightly inclined the objects or batches of material being carried by transversely moving rollers or rods which may rotate
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- 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
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- 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
- F26B21/02—Circulating air or gases in closed cycles, e.g. wholly within the drying enclosure
- F26B21/04—Circulating air or gases in closed cycles, e.g. wholly within the drying enclosure partly outside the drying enclosure
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B3/00—Drying solid materials or objects by processes involving the application of heat
- F26B3/02—Drying solid materials or objects by processes involving the application of heat by convection, i.e. heat being conveyed from a heat source to the materials or objects to be dried by a gas or vapour, e.g. air
- F26B3/04—Drying solid materials or objects by processes involving the application of heat by convection, i.e. heat being conveyed from a heat source to the materials or objects to be dried by a gas or vapour, e.g. air the gas or vapour circulating over or surrounding the materials or objects to be dried
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B3/00—Drying solid materials or objects by processes involving the application of heat
- F26B3/18—Drying solid materials or objects by processes involving the application of heat by conduction, i.e. the heat is conveyed from the heat source, e.g. gas flame, to the materials or objects to be dried by direct contact
- F26B3/20—Drying solid materials or objects by processes involving the application of heat by conduction, i.e. the heat is conveyed from the heat source, e.g. gas flame, to the materials or objects to be dried by direct contact the heat source being a heated surface, e.g. a moving belt or conveyor
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B3/00—Drying solid materials or objects by processes involving the application of heat
- F26B3/32—Drying solid materials or objects by processes involving the application of heat by development of heat within the materials or objects to be dried, e.g. by fermentation or other microbiological action
- F26B3/34—Drying solid materials or objects by processes involving the application of heat by development of heat within the materials or objects to be dried, e.g. by fermentation or other microbiological action by using electrical effects
- F26B3/347—Electromagnetic heating, e.g. induction heating or heating using microwave energy
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B2210/00—Drying processes and machines for solid objects characterised by the specific requirements of the drying good
- F26B2210/16—Wood, e.g. lumber, timber
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Microbiology (AREA)
- Electromagnetism (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Biotechnology (AREA)
- Molecular Biology (AREA)
- Wood Science & Technology (AREA)
- Forests & Forestry (AREA)
- Drying Of Solid Materials (AREA)
Abstract
The invention provides a furniture water paint drying system, which comprises a drying chamber and is characterized in that the drying chamber comprises a microwave heating chamber and a hot air convection heating chamber which are sequentially arranged, wherein the microwave heating chamber comprises a first microwave heating chamber, a second microwave heating chamber, a third microwave heating chamber and a fourth microwave heating chamber which are sequentially arranged, and the hot air convection heating chamber comprises a first jet area, a second jet area, a first convection area and a second convection area which are sequentially arranged; the microwave heating chamber is a low-temperature area, and the hot air convection heating chamber is a high-temperature area. Compared with the traditional oven heating and drying, the drying system has the advantages that the heating and drying efficiency is improved by dozens of times, more water is discharged in each heating and drying process, and even the water which is not discharged in the previous processes can be discharged, so that the drying requirement of the furniture surface coating can be better met.
Description
Technical Field
The invention belongs to the technical field of furniture processing equipment, and particularly relates to a water paint drying system for water-based paint environment-friendly furniture.
Background
Furniture refers to a large category of appliances and facilities essential for human beings to maintain normal life, engage in production practice and develop social activities. Furniture is continuously developed and innovated following the foot steps of the times, and is an important foundation for establishing working and living spaces, wherein the furniture is various in door types, different in materials, complete in variety and different in purposes at present. In the production and processing process of furniture, the water content and the water content of the wood are strictly controlled due to the process requirements. Therefore, the wood needs to be dried after the wood is initially processed, and a drying device is often used for drying the wood to control the water content and the water content. Meanwhile, the furniture board needs to be painted on the surface of the board during processing and production, so that the furniture board can prevent moisture and moth and enhance the attractiveness of furniture. The furniture board needs to be dried after painting so that the paint is attached to the furniture board. In the traditional treatment mode, the drying mode of plate moisture or paint is generally to carry out natural drying and air-drying under outdoor sunshine, and this kind of mode is inefficient, and air-dry quality differs, and receives weather restriction easily. Also have at present to adopt powerful drying-furnace equipment etc. to directly toast furniture board, furniture board generally all places on the frame when drying, and the furniture board that is in different positions is heated the degree and differs, leads to furniture board's lacquer painting quality to differ.
The water-based paint is a relatively novel paint in the paint market, many people do not correctly know the water-based paint, and the water-based paint has the following characteristics compared with a solvent-based paint:
the water-based paint takes water as a solvent, thereby saving a large amount of resources; the water-based paint eliminates the fire hazard during construction; the air pollution is reduced; the water paint only adopts a small amount of low-toxicity alcohol ether organic solvent, thus improving the operating environmental conditions. The organic solvent (accounting for the coating) of the common water-based coating is 10-15%, while the cathodic electrophoretic coating is reduced to below 1.2%, and the effects of reducing pollution and saving resources are remarkable.
The water paint can be directly coated and constructed on a wet surface and in a humid environment; the water-based paint has good adaptability to the surface of the material and strong adhesive force of the coating.
The water-based paint coating tool can be cleaned by water, so that the consumption of a cleaning solvent is greatly reduced.
The electrophoretic coating of the water-based paint is uniform and flat. The flattening performance is good; the inner cavity, the welding seam, the edge and the edge part can be coated with a coating film with a certain thickness, so that the protective property is good; the electrophoretic coating has the best corrosion resistance, and the salt spray resistance of the thick-film cathode electrophoretic coating can reach 1200h at most.
With the popularization of green and environment-friendly furniture, worry about coating pollution can be completely avoided by using the environment-friendly water-based coating, and the popularization of the water-based wood coating is very favorable for the reasonable utilization of resources and the improvement of environmental sanitation. Therefore, the drying and fixing of furniture sprayed with the water-based paint put higher demands on drying equipment.
Disclosure of Invention
Compared with the traditional oven heating and drying, the drying system provided by the invention has the advantages that the heating and drying efficiency is improved by dozens of times, more water is discharged in each heating and drying process, and even water which is not discharged in the previous processes can be discharged, so that the requirement of drying the surface paint of the furniture can be better met.
The technical scheme of the invention is as follows: the furniture water paint drying system comprises a drying chamber and is characterized in that the drying chamber comprises a microwave heating chamber and a hot air convection heating chamber which are sequentially arranged, the microwave heating chamber comprises a first microwave heating chamber, a second microwave heating chamber, a third microwave heating chamber and a fourth microwave heating chamber which are sequentially arranged, and the hot air convection heating chamber comprises a first flow area, a second flow area, a first convection area and a second convection area which are sequentially arranged; the microwave heating chamber is a low-temperature area, and the hot air convection heating chamber is a high-temperature area.
Further, the temperature of the low-temperature area is 20-80 ℃, and the temperature of the high-temperature area is 80-160 ℃.
Through the arrangement of the temperatures in the microwave heating chamber and the hot air convection heating chamber, and the arrangement of the first microwave heating chamber, the second microwave heating chamber, the third microwave heating chamber and the fourth microwave heating chamber, and the cooperation of the functions of the first flow area, the second flow area, the first convection area and the second convection area, compared with the traditional oven heating and drying, the heating and drying efficiency is improved by dozens of times, more water is discharged by each heating and drying process, even the water which is not discharged by the previous processes can be discharged, and therefore, the requirement of drying the furniture surface coating can be further ensured. Particularly, the power of the microwave heating chamber is 3-15 kW.
The drying chamber is characterized in that a plate inlet is formed in one end of the drying chamber, a plate outlet is formed in the other end of the drying chamber, a plurality of conveying rollers are arranged between the plate inlet and the plate outlet, a first solid wheel is arranged between the plate inlet and the conveying rollers, a second solid wheel is arranged between the plate outlet and the conveying rollers, a first transmission assembly is arranged between the first solid wheel and the conveying rollers, a second transmission assembly is arranged between the second solid wheel and the conveying rollers, heating wheels are respectively arranged on two sides of each conveying roller, the first solid wheel and the second solid wheel are respectively contacted with the heating wheels, an air outlet and an air inlet are respectively formed in two ends of the upper end face of the drying chamber, an air circulation assembly is arranged above the drying chamber, two ends of the air circulation assembly are respectively communicated with the air outlet and the air inlet, a drying plate mechanism is arranged in the drying chamber, one end, close to the air outlet, of the air circulation assembly is connected, and a cooling assembly is arranged on one side of the drying chamber close to the plate outlet.
And solid wheels are arranged at the plate inlet and the plate outlet of the drying chamber, are made of metal materials, and have the same diameter as the conveying roller. The original normal transport running roller of contrast, solid round adoption heat conducting material can play the function of face surface heating. Furniture board face is through solid round after the primary heating, and surface moisture temperature risees, and evaporation rate increases, screeds in the uneven place of face moisture simultaneously, is equivalent to increasing the moisture surface area, is favorable to giving off of hydrone. The conveying roller wheel is connected through the transmission of the first solid wheel through the first transmission assembly, the conveying roller wheel is connected through the transmission of the second solid wheel through the second transmission assembly, so that the solid wheels and the conveying roller wheel adopt the same conveying speed, hot air of the drying chamber circulates through the air circulation assembly and provides hot air for the drying plate mechanism, after the surface of the furniture plate is dried by the drying plate mechanism, the hot air is filtered through the air circulation assembly, and the hot air is slightly heated and then conveyed into the drying chamber again.
The first solid wheel and the second solid wheel are respectively of a solid cylinder structure made of stainless steel, the conveying roller wheel is of a hollow cylinder structure, the first solid wheel is tangent to the edge of the plate inlet, and the second solid wheel is tangent to the edge of the plate outlet.
The first solid wheel is tangent to the edge of the plate inlet, the solid wheel equivalently seals two air openings of the drying section, and the heated air in the middle can be kept in the drying section, so that the heat dissipation is reduced.
The air circulation assembly comprises a circulation pipeline, an air supplement port, a filter and a heating assembly, one end of the circulation pipeline is communicated with the air outlet, the other end of the circulation pipeline is communicated with the air inlet, one end, close to the air outlet, of the circulation pipeline is sleeved with the heating assembly, one end, close to the air inlet, of the circulation pipeline is sleeved with the heating assembly, the middle of the circulation pipeline is provided with the air supplement port, and the filter is arranged between one end, close to the air inlet, of the circulation pipeline and the air.
Heating element keeps warm at heated air circulation in-process and handles, prevents at the transportation process, and heat loss reduces energy-conserving effect, and at the middle filter stage of heating, add the air and supply the mouth, prevent to produce the inside and outside pressure differential of stoving section when steam is not enough. The hot air in the drying chamber is recycled to achieve the purpose of energy conservation, and after passing through the filter for many times, the dust particles in the circulating air are obviously reduced.
The cooling component comprises a support, an upper water tank, a lower water tank and a heat absorption roller set, wherein the lower water tank and the heat absorption roller set are arranged on the ground surface, the upper water tank is fixed at the upper end of the support, the lower water tank is fixed at the lower end of the support, the heat absorption roller set comprises an upper roller and a lower roller, heat conducting plates are respectively arranged at the lower end of the upper water tank and the upper end of the lower water tank, the upper roller is in contact with the heat conducting plates at the lower end.
Furniture board stoving back, surface temperature is higher, and the temperature will be higher than 80 degrees centigrade usually, both causes the waste of heat energy and can scald the staff, puts into cold water or normal atmospheric temperature water in last water tank and the lower water tank, and solid round and the outer metal material preparation that adopts of heat absorption water tank keep in close contact with all the time at the operation process, utilize metal heat transfer efficiency to show to be higher than the air, can be in the middle of effectively conveying the water tank with the heat, reduce the temperature on furniture board surface.
The drying plate mechanism comprises an upper drying assembly and a lower drying assembly, the lower side of the conveying roller wheel is provided with the lower drying assembly, the upper side of the lower drying assembly is provided with the upper drying assembly, the upper drying assembly comprises an air knife and a first pipeline arranged above the conveying roller wheel, one end of the first pipeline is connected with one end, close to the air outlet, of the circulating pipeline, the other end of the first pipeline is connected with one end, close to the air inlet, of the circulating pipeline, a plurality of air blowing openings are formed in the first pipeline, the air blowing openings are connected with the air knife, and the air knife is arranged in a gap between.
The air knife blows hot air to the upper surface of the furniture board, so that the function of heating the surface of the furniture board is achieved, the air flow speed above the furniture board is increased, and water molecules are favorably dispersed.
The lower drying assembly comprises a blowing box and a second pipeline, a plurality of through holes are formed in the upper end face of the blowing box, one end of the second pipeline is connected with the blowing box, and the other end of the second pipeline is connected with the first pipeline.
The hot air is blown out through the air blowing box, so that the air temperature of the lower surface of the furniture board is improved, the diffusion of water molecules is facilitated, and the lower surface of the furniture board is dried.
The heating assembly comprises a heating device and a protective cover, the circulating pipeline is of a cylindrical structure made of heat conducting materials, the heating device is in contact with the outer surface of the circulating pipeline, and the heating device is an electric heating wire or an electric heating plate.
The circulating pipeline is heated by the heating device, and the gas in the circulating pipeline is heated by the heated circulating pipeline.
The outer wall of the circulating pipeline is sleeved with a polyurethane heat-insulating layer or a rubber-plastic sponge heat-insulating layer.
The heat preservation prevents that circulating line's heat from losing, improves circulating line to hot-blast heat preservation effect.
The cooling assembly further comprises a cold air assembly, the cold air assembly comprises an air cooler, a cold air pipeline, cold air branch pipes and a cold air nozzle, the air cooler, the cold air pipeline, the cold air branch pipes and the cold air nozzle are arranged at the upper end of the upper water tank, the cold air pipeline is arranged in the upper water tank and the lower water tank respectively, one end of the cold air pipeline is connected with the air cooler, the cold air pipeline is provided with a plurality of cold air branch pipes, gaps between adjacent upper rollers and gaps between adjacent upper rollers are respectively provided with a.
The cold air blower is used for generating low-temperature air, the cold air nozzle is used for spraying the low-temperature air, the upper water tank and the lower water tank contain low-temperature water, the temperature of gas in the cold air pipeline is further reduced by the upper water tank and the lower water tank, and the temperature of the surface of the furniture board is reduced by the cold air nozzle.
The working principle of the invention is as follows: and solid wheels are arranged at the plate inlet and the plate outlet of the drying chamber, are made of metal materials, and have the same diameter as the conveying roller. The original normal transport running roller of contrast, solid round adoption heat conducting material can play the function of face surface heating. Furniture board face is through solid round after the primary heating, and surface moisture temperature risees, and evaporation rate increases, screeds in the uneven place of face moisture simultaneously, is equivalent to increasing the moisture surface area, is favorable to giving off of hydrone. First solid round is connected through the transmission of first drive assembly and is carried the running roller, and the second solid round is connected through the transmission of second drive assembly and is carried the running roller for solid round adopts same transfer rate with carrying the running roller, and the hot-air admission air cycle subassembly of drying chamber circulates, and hot-blast process filter after carrying out the secondary heating, hot-blast after filtering through the filter, carries again after carrying out the secondary heating in the drying chamber hot-blast, and provides hot-blast for drying plate mechanism.
The invention has the beneficial effects that: 1. compared with the traditional oven heating and drying, the drying system has the advantages that the heating and drying efficiency is improved by dozens of times, more water is discharged in each heating and drying process, and even the water which is not discharged in the previous processes can be discharged, so that the drying requirement of the furniture surface coating can be better met. According to a great amount of experiments of the inventor of the application, the drying system can rapidly dehydrate and simultaneously does not influence the fusion and film formation of the aqueous paint emulsion, and the performance of the final coating film is not influenced at all.
2. Avoid air-drying the air and heat the energy waste that causes repeatedly, adopt the solid round at drying chamber both ends can accelerate furniture board surface moisture's evaporation rate, adopt the cooling subassembly can reduce the face temperature rapidly, avoid personnel to carry the scald that the face caused under the special circumstances, get up face heat utilization simultaneously.
Drawings
The figures further illustrate the invention, but the examples in the figures do not constitute any limitation of the invention.
FIG. 1 is a schematic structural view of a drying chamber according to the present invention;
fig. 2 is a schematic view of a partial structure provided by the present invention.
Detailed Description
The following detailed description of embodiments of the invention refers to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present invention, are given by way of illustration and explanation only, not limitation.
It should be noted that when an element is referred to as being "fixed" or "disposed" to another element, it can be directly on the other element or intervening elements may also be present, unless indicated to the contrary, use of directional terms such as "upper, lower, left, right" generally refer to upper, lower, left and right as viewed in FIG. 1. "inner and outer" refer to the inner and outer portions of a particular contour, and "distal and proximal" refer to the distance and proximal relative to a particular feature.
A furniture water paint drying system comprises a drying chamber 1 and is characterized in that the drying chamber comprises a microwave heating chamber 11 and a hot air convection heating chamber 12 which are sequentially arranged, the microwave heating chamber comprises a first microwave heating chamber 111, a second microwave heating chamber 112, a third microwave heating chamber 113 and a fourth microwave heating chamber 114 which are sequentially arranged, and the hot air convection heating chamber comprises a first flow area 121, a second flow area 122, a first convection area 123 and a second convection area 124 which are sequentially arranged; the microwave heating chamber is a low-temperature area, and the hot air convection heating chamber is a high-temperature area.
Further, the temperature of the low-temperature area is 20-80 ℃, and the temperature of the high-temperature area is 80-160 ℃.
Further, a plate inlet is arranged at one end of the drying chamber 1, a plate outlet is arranged at the other end of the drying chamber 1, a plurality of conveying rollers 2 are arranged between the plate inlet and the plate outlet, a first solid wheel 3 is arranged between the plate inlet and the conveying rollers 2, a second solid wheel 4 is arranged between the plate outlet and the conveying rollers 2, a first transmission component 31 is arranged between the first solid wheel 3 and the conveying rollers 2, a second transmission component 41 is arranged between the second solid wheel 4 and the conveying rollers 2, heating wheels 5 are respectively arranged at two sides of the conveying rollers 2, the first solid wheel 3 and the second solid wheel 4 are respectively contacted with the heating wheels 5, an air outlet and an air inlet are respectively arranged at two ends of the upper end face of the drying chamber 1, an air circulation component is arranged above the drying chamber 1, and two ends of the air circulation component are respectively communicated with the air outlet and the air inlet, the drying chamber 1 is internally provided with a drying plate mechanism, one end of the air circulation component, which is close to the air outlet, is connected with the drying plate mechanism, and one side of the drying chamber 1, which is close to the plate outlet, is provided with a cooling component.
The second transmission assembly 41 comprises a driving sprocket, a driven sprocket and a transmission chain, the driven sprocket is fixedly arranged at one end of the second solid wheel 4, the driving sprocket is fixedly arranged at one end of the conveying roller 2 close to the plate outlet, and the driving sprocket is connected with the driven sprocket through the transmission of the transmission chain.
The plate inlet and the plate outlet of the drying chamber 1 are provided with solid wheels, the solid wheels are made of metal materials, and the diameters of the solid wheels are consistent with those of the conveying roller 2. Compare original normal transport running roller 2, the solid wheel adopts heat conduction material, can play the function of face surface heating. Furniture board face is through solid round after the primary heating, and surface moisture temperature risees, and evaporation rate increases, screeds in the uneven place of face moisture simultaneously, is equivalent to increasing the moisture surface area, is favorable to giving off of hydrone. First solid round 3 is connected through the transmission of first drive assembly 31 and is carried running roller 2, and the solid round 4 of second is connected through the transmission of second drive assembly 41 and is carried running roller 2 for solid round adopts same transfer rate with carrying running roller 2, and the hot-air of drying chamber 1 circulates and provides the hot-blast for drying plate mechanism through the air cycle subassembly, dries after furniture board surface is weathered to drying plate mechanism, and hot-blast after filtering through the air cycle subassembly, carries again in drying chamber 1 after slightly heating hot-blast.
First solid round 3 and the solid round 4 of second are the solid cylinder structure of stainless steel material respectively, and conveying roller wheel 2 is the hollow cylinder structure, and first solid round 3 is tangent with advance board mouth edge, and the solid round 4 of second is tangent with a play board mouth edge part.
The first solid wheel 3 is tangent to the edge of the plate inlet, the solid wheel equivalently seals two air openings of the drying section, and the heated air in the middle can be kept in the drying section, so that the heat dissipation is reduced.
The air circulation assembly comprises a circulation pipeline 61, an air supplement port 62, a filter 63 and a heating assembly 64, one end of the circulation pipeline 61 is communicated with the air outlet, the other end of the circulation pipeline 61 is communicated with the air inlet, the heating assembly 64 is sleeved at one end, close to the air outlet, of the circulation pipeline 61, the heating assembly 64 is sleeved at one end, close to the air inlet, of the circulation pipeline 61, the air supplement port 62 is arranged in the middle of the circulation pipeline 61, and the filter 63 is arranged between one end, close to the air inlet, of the circulation pipeline 61 and the air supplement.
The outer wall of the circulating pipeline 61 is sleeved with a filtering piece 65, the side surface of the filtering piece 65 is in contact with the air supplementing port 62, and the filtering piece 65 is annular activated carbon sponge.
The cooling component comprises a support 81, an upper water tank 82, a lower water tank 83 and a heat absorption roller set, wherein the lower water tank 83 and the heat absorption roller set are arranged on the ground surface, the upper water tank 82 is fixed at the upper end of the support 81, the lower water tank 83 is fixed at the lower end of the support 81, the heat absorption roller set comprises an upper roller 84 and a lower roller 85, heat-conducting plates are respectively arranged at the lower end of the upper water tank 82 and the upper end of the lower water tank 83, the upper roller 84 is in contact with the heat-conducting plates at the lower end of.
After the furniture board is dried, the surface temperature is higher, the temperature is higher than 80 ℃ usually, not only causes heat energy waste but also scalds workers, cold water or normal temperature water is put into the upper water tank 82 and the lower water tank 83, the solid wheels and the heat absorption water tank outer layer are made of metal materials, the solid wheels and the heat absorption water tank outer layer are always kept in close contact with each other in the operation process, the metal heat transfer efficiency is obviously higher than air, the heat can be effectively transferred to the water tank, and the temperature on the surface of the furniture board is reduced.
The baking plate mechanism comprises an upper drying assembly and a lower drying assembly, the lower side of the conveying roller wheel 2 is provided with the lower drying assembly, the upper side of the lower drying assembly is provided with the upper drying assembly, the upper drying assembly comprises an air knife and a first pipeline 71 arranged above the conveying roller wheel 2, one end of the first pipeline 71 is connected with one end of the circulating pipeline 61 close to the air outlet, the other end of the first pipeline 71 is connected with one end of the circulating pipeline 61 close to the air inlet, a plurality of air blowing ports are formed in the first pipeline 71, each air blowing port is connected with the air knife, and the air knives are arranged in gaps between the adjacent conveying roller wheels 2.
The air knife blows hot air to the upper surface of the furniture board, so that the function of heating the surface of the furniture board is achieved, the air flow speed above the furniture board is increased, and water molecules are favorably dispersed.
The lower drying component comprises a blowing box and a second pipeline 72, a plurality of through holes are formed in the upper end face of the blowing box, one end of the second pipeline 72 is connected with the blowing box, and the other end of the second pipeline 72 is connected with the first pipeline 71.
The hot air is blown out through the air blowing box, so that the air temperature of the lower surface of the furniture board is improved, the diffusion of water molecules is facilitated, and the lower surface of the furniture board is dried.
The heating assembly 64 includes a heating device and a shield, the circulation pipe 61 is a cylindrical structure made of a heat conductive material, the heating device is in contact with the outer surface of the circulation pipe 61, and the heating device is an electric heating wire or an electric heating plate.
The circulation duct 61 is heated by the heating means, and the gas in the circulation duct 61 is heated by the heated circulation duct 61.
The outer wall of the circulating pipeline 61 is sleeved with a polyurethane heat-insulating layer or a rubber-plastic sponge heat-insulating layer.
The heat preservation prevents the heat loss of circulating line 61, improves circulating line 61 to hot-blast heat preservation effect.
The cooling assembly further comprises a cold air assembly, the cold air assembly comprises an air cooler 86, a cold air pipeline 87, cold air branch pipes 88 and a cold air nozzle 89, the air cooler 86, the cold air branch pipes 88 and the cold air nozzle 89 are arranged at the upper end of the upper water tank 82, the cold air pipeline 87 is arranged in the upper water tank 82 and the lower water tank 83 respectively, one end of the cold air pipeline 87 is connected with the air cooler 86, the cold air pipeline 87 is provided with a plurality of cold air branch pipes, gaps between adjacent upper rollers 84 and gaps between adjacent upper rollers 84 are respectively provided with a cold air.
The air cooler 86 is used for generating low-temperature air, the cold air nozzle is used for spraying the low-temperature air, the upper water tank 82 and the lower water tank 83 contain low-temperature water, the temperature of gas in the cold air pipeline 87 is further reduced by using the upper water tank 82 and the lower water tank 83, and the temperature of the surface of the furniture board is reduced by using the cold air nozzle.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (1)
1. The furniture water paint drying system comprises a drying chamber and is characterized in that the drying chamber comprises a microwave heating chamber and a hot air convection heating chamber which are sequentially arranged, the microwave heating chamber comprises a first microwave heating chamber, a second microwave heating chamber, a third microwave heating chamber and a fourth microwave heating chamber which are sequentially arranged, and the hot air convection heating chamber comprises a first flow area, a second flow area, a first convection area and a second convection area which are sequentially arranged; the microwave heating chamber is a low-temperature region, and the hot air convection heating chamber is a high-temperature region;
the temperature of the low-temperature area is 20-80 ℃, and the temperature of the high-temperature area is 80-160 ℃;
the drying chamber is characterized in that a plate inlet is formed in one end of the drying chamber, a plate outlet is formed in the other end of the drying chamber, a plurality of conveying rollers are arranged between the plate inlet and the plate outlet, a first solid wheel is arranged between the plate inlet and the conveying rollers, a second solid wheel is arranged between the plate outlet and the conveying rollers, a first transmission assembly is arranged between the first solid wheel and the conveying rollers, a second transmission assembly is arranged between the second solid wheel and the conveying rollers, heating wheels are respectively arranged on two sides of each conveying roller, the first solid wheel and the second solid wheel are respectively contacted with the heating wheels, an air outlet and an air inlet are respectively formed in two ends of the upper end face of the drying chamber, an air circulation assembly is arranged above the drying chamber, two ends of the air circulation assembly are respectively communicated with the air outlet and the air inlet, a drying plate mechanism is arranged in the drying chamber, one end, close to the air outlet, of the air circulation assembly is connected, a cooling assembly is arranged on one side of the drying chamber close to the plate outlet;
the first solid wheel and the second solid wheel are respectively of a solid cylinder structure made of stainless steel, the conveying roller wheel is of a hollow cylinder structure, the first solid wheel is tangent to the edge of the plate inlet, and the second solid wheel is tangent to the edge of the plate outlet;
the air circulation assembly comprises a circulation pipeline, an air supplement port, a filter and a heating assembly, one end of the circulation pipeline is communicated with the air outlet, the other end of the circulation pipeline is communicated with the air inlet, the heating assembly is sleeved at one end, close to the air outlet, of the circulation pipeline, the heating assembly is sleeved at one end, close to the air inlet, of the circulation pipeline, the air supplement port is formed in the middle of the circulation pipeline, and the filter is arranged between one end, close to the air inlet, of the circulation pipeline and the air; the outer wall of the circulating pipeline 61 is sleeved with a filtering piece, the side surface of the filtering piece is contacted with an air supplementing port, and the filtering piece is annular activated carbon sponge;
the cooling assembly comprises a support, an upper water tank, a lower water tank arranged on the ground surface and a heat absorption roller set, the upper water tank is fixed at the upper end of the support, the lower water tank is fixed at the lower end of the support, the heat absorption roller set comprises an upper roller and a lower roller, heat-conducting plates are respectively arranged at the lower end of the upper water tank and the upper end of the lower water tank, the upper roller is in contact with the heat-conducting plate at the lower end of the upper water tank, and the lower roller is;
the drying plate mechanism comprises an upper drying component and a lower drying component, the lower drying component is arranged below the conveying roller wheel, the upper drying component is arranged above the lower drying component, the upper drying component comprises an air knife and a first pipeline arranged above the conveying roller wheel, one end of the first pipeline is connected with one end, close to the air outlet, of the circulating pipeline, the other end of the first pipeline is connected with one end, close to the air inlet, of the circulating pipeline, a plurality of air blowing openings are formed in the first pipeline, the air blowing openings are connected with the air knife, and the air knife is arranged in a gap between the conveying roller wheels;
the lower drying assembly comprises a blowing box and a second pipeline, a plurality of through holes are formed in the upper end face of the blowing box, one end of the second pipeline is connected with the blowing box, and the other end of the second pipeline is connected with the first pipeline;
the cooling assembly further comprises a cold air assembly, the cold air assembly comprises an air cooler, a cold air pipeline, cold air branch pipes and cold air nozzles, the air cooler, the cold air pipeline, the cold air branch pipes and the cold air nozzles are arranged at the upper end of the upper water tank, the cold air pipeline is respectively arranged in the upper water tank and the lower water tank, one end of the cold air pipeline is connected with the air cooler, the cold air pipeline is provided with a plurality of cold air branch pipes, the cold air nozzles are respectively arranged in the gaps between the adjacent upper rollers and the;
the first transmission assembly comprises a driving gear, a transition gear and a driven gear, the driven gear is fixedly arranged at one end of a first solid wheel, the driving gear is fixedly arranged at one end of a conveying roller wheel close to the plate inlet, the transition gear is arranged between the conveying roller wheel and the first solid wheel, one side of the transition gear close to the plate inlet is meshed with the driven gear, and one side of the transition gear close to the plate outlet is meshed with the driving gear;
the second transmission assembly comprises a driving chain wheel, a driven chain wheel and a transmission chain, the driven chain wheel is fixedly arranged at one end of the second solid wheel, the driving chain wheel is fixedly arranged at one end of the conveying roller wheel close to the plate outlet, and the driving chain wheel is connected with the driven chain wheel through the transmission of the transmission chain.
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| CN201910228672.0A CN110044139B (en) | 2019-03-25 | 2019-03-25 | Furniture water paint drying system |
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| CN201910228672.0A CN110044139B (en) | 2019-03-25 | 2019-03-25 | Furniture water paint drying system |
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| CN110044139B true CN110044139B (en) | 2021-05-25 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112595029A (en) * | 2020-12-16 | 2021-04-02 | 无锡先导智能装备股份有限公司 | Drying device and cleaning equipment |
| CN112815684B (en) * | 2021-02-02 | 2022-12-09 | 江西春兴新能源有限公司 | Continuous microwave drying process method for solidified polar plate of storage battery |
| CN112844984A (en) * | 2021-02-02 | 2021-05-28 | 江西春兴新能源有限公司 | Continuous microwave drying process method for polar plate after storage battery plate coating |
| CN113369111A (en) * | 2021-05-27 | 2021-09-10 | 常州新华昌国际集装箱有限公司 | Water-based paint coating method for container |
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| CN110044139A (en) | 2019-07-23 |
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