CN112776376B - Manufacturing process and manufacturing die of heat exchange membrane - Google Patents
Manufacturing process and manufacturing die of heat exchange membrane Download PDFInfo
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- CN112776376B CN112776376B CN202011642371.1A CN202011642371A CN112776376B CN 112776376 B CN112776376 B CN 112776376B CN 202011642371 A CN202011642371 A CN 202011642371A CN 112776376 B CN112776376 B CN 112776376B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
- B29C70/28—Shaping operations therefor
- B29C70/40—Shaping or impregnating by compression not applied
- B29C70/42—Shaping or impregnating by compression not applied for producing articles of definite length, i.e. discrete articles
- B29C70/46—Shaping or impregnating by compression not applied for producing articles of definite length, i.e. discrete articles using matched moulds, e.g. for deforming sheet moulding compounds [SMC] or prepregs
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
- B29C70/28—Shaping operations therefor
- B29C70/54—Component parts, details or accessories; Auxiliary operations, e.g. feeding or storage of prepregs or SMC after impregnation or during ageing
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D133/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
- C09D133/04—Homopolymers or copolymers of esters
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D161/00—Coating compositions based on condensation polymers of aldehydes or ketones; Coating compositions based on derivatives of such polymers
- C09D161/20—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D163/00—Coating compositions based on epoxy resins; Coating compositions based on derivatives of epoxy resins
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
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Abstract
A manufacturing process of a heat exchange membrane and a manufacturing mold thereof comprise the following steps of (1) mixing an animal fiber material, wood fiber and purified water to prepare a substrate layer mixed solution; (2) the substrate layer is processed through the manufacturing mold, so that hydrophilic textures and noise reduction textures are formed on the surface of the substrate layer, the hydrophilic textures and the noise reduction textures are used for enhancing the connection strength of the hydrophilic coating and the noise reduction coating with the substrate layer, and the service life of the heat exchange membrane is prolonged; (3) mixing a water molecule adsorbent for adsorbing water molecules, an antibacterial assistant for preventing a heat exchange membrane from breeding bacteria, an inorganic noise adsorbent for adsorbing noise and a heat-conducting filler to form a noise-reducing mixed solution; (4) dissolving epoxy resin, water-soluble acrylic resin, amino resin, a hydrophilic surfactant, a nano carbon material, a wetting agent, an advection agent, a cosolvent and deionized water in a solvent at a certain temperature to form a hydrophilic mixed solution; (5) and respectively coating the noise-reduction mixed liquor and the hydrophilic mixed liquor on the substrate layer, and drying.
Description
Technical Field
The invention relates to the field of heat exchange membranes, in particular to a manufacturing process and a manufacturing die of a heat exchange membrane.
Background
With the development of industry and the serious pollution of human living environment, a fresh air blower and an air conditioner are popularized all over the world, air conditioning and fresh air become necessary requirements of human life, one third of energy of the air conditioner is lost due to the introduction of the fresh air, and energy recovery becomes an important energy-saving means for introducing the fresh air and using the air conditioner. Energy conservation, emission reduction and air pollution treatment become more and more important subjects. Air energy recovery has been already popular in developed countries, but china is still in the beginning, and in order to accelerate the development of air energy recovery devices in china, the application and energy recovery requirements of air energy recovery devices are listed in the national building standards.
At present, domestic heat exchange membrane manufacturing cost on the market is higher to there is enthalpy efficiency and hydrone percent of pass relatively poor, and the heat recovery efficiency that leads to new trend system is not high, and indoor air water seal runs off at the excessive speed, and in heat exchange membrane use, forms air vibration in heat exchanger easily, thereby produces wind and makes an uproar, makes the noise of new trend system too big.
Disclosure of Invention
In view of the above disadvantages, the technical problem to be solved by the present invention is to provide a manufacturing process of a heat exchange membrane and a manufacturing mold thereof, the heat exchange membrane manufactured by the manufacturing process has better enthalpy efficiency and water molecule transmittance, and the texture is distributed on the substrate layer, so that the heat exchange membrane can be conveniently compounded, and the noise reduction performance of the heat exchange membrane can be improved.
In order to solve the technical problems, the invention adopts the technical scheme that,
a process for manufacturing a heat exchange membrane, comprising the steps of,
(1) mixing animal fiber materials, wood fibers and purified water to prepare a substrate layer mixed solution;
(2) processing the substrate layer through the manufacturing mold;
(3) preparing a noise reduction mixed solution;
(4) preparing hydrophilic mixed liquor;
(5) and respectively coating the noise reduction mixed liquid and the hydrophilic mixed liquid on the substrate layer.
Further, the step (1) comprises the following steps,
(a) grinding animal fiber materials and wood fibers to form a base material mixture;
(b) mixing the ground animal fiber material, wood fiber and water to form a substrate layer suspension;
(c) adding a preservative into the substrate layer suspension;
(d) quantitatively pouring the substrate suspension into a mold to uniformly lay the substrate mixture on the mold;
(e) and (5) carrying out pressure test on the die to prepare the substrate layer.
Further, what the animal fiber material adopted in step (1) is wool felt or rabbit hair felt, and the wood fiber material is wood pulp, and the mass ratio of animal fiber material, wood fiber material, antiseptic is 7 ~ 9: 20-30: 2 to 3.
Further, the step (3) comprises the following steps,
(3.1) fully stirring and mixing 3-5 parts of alumina, 1-2 parts of sodium oxide, 0.6-1 part of diacetate fiber and 4-8 parts of glass wool;
(3.2) mixing 1-2 parts of silver ions and the mixture with 5-8 parts of silica gel;
(3.3) mixing the mixture of step (3.1) with the mixture of step (3.2).
Further, the step (4) comprises the following steps,
(4.1) mixing 10-40% of epoxy resin, 1-20% of water-soluble acrylic resin, 1-10% of amino resin, 0.1-0.5% of hydrophilic surfactant, 1-5% of nano carbon material, 0.1-5% of wetting agent, 0.1-5% of leveling agent and 2-10% of cosolvent;
(4.2) preparing deionized water according to the rest proportion;
(4.3) mixing the mixture of step (4.1) with deionized water.
The manufacturing die of the heat exchange film manufacturing process comprises a lower die, an upper die assembly and a die support, wherein the lower die is slidably mounted on the die support, the upper die assembly is telescopically mounted on the die support and comprises a forming upper die and a pressurizing upper die, and the forming upper die and the pressurizing upper die are respectively matched with the lower die.
Further, dig in the bed die and be equipped with the shaping groove, install flexible forming subassembly on the lateral wall in shaping groove, flexible forming subassembly includes support column, flexible piece and end plate, and end plate fixed connection is in the one end of support column, and the other end retractable of support column is installed on the shaping groove lateral wall, the one end and the shaping groove lateral wall fixed connection of flexible piece, the other end and the end plate fixed connection of flexible piece, the cover is equipped with reset spring on the support column.
Further, the flexible piece includes a plurality of flexible pieces, and the both ends fixedly connected with connecting hole of flexible piece, the spacing piece of one side tip fixedly connected with of flexible piece.
Furthermore, an abrasive disc mounting groove is dug in the upper molding die, a friction block is slidably mounted in the abrasive disc mounting groove, and a sand skin is arranged on the lower end face of the friction block.
Furthermore, a polishing cylinder is arranged on the side wall of the upper forming die.
The manufacturing process method of the heat exchange membrane has the advantages that the manufacturing process method is simple, the sound absorption cavity is conveniently formed on the surface of the base material layer, the noise reduction coating layer is easily partially filled in the sound absorption cavity in the coating process, so that the noise reduction coating layer can be more firmly coated on the surface of the base material layer, the hydrophilic texture is formed on the surface of the other side of the base material layer, the coating strength of the hydrophilic coating layer and the base material layer is convenient, and the heat exchange strength is integrally improved.
Drawings
FIG. 1 is a schematic sectional view of the heat exchange membrane.
Fig. 2 is a partial enlarged view at a.
Fig. 3 is a schematic diagram of the structure of a noise reduction texture.
Fig. 4 is a schematic structural view of a hydrophilic texture.
Fig. 5 is a schematic structural view of a heat exchange membrane manufacturing mold.
Fig. 6 is a schematic view of the structure of fig. 3 after being rotated by a certain angle.
Fig. 7 is a sectional view of the lower die.
Fig. 8 is a partial enlarged view at B.
FIG. 9 is a schematic view of the flexible molding assembly in a spread-apart condition.
Figure 10 is a schematic view of the construction of the flexible sheet interconnection.
Reference numerals are as follows: the noise-reducing and noise-reducing integrated die comprises a hydrophilic coating 1, a base material layer 2, a noise-reducing coating 3, noise-reducing textures 4, noise-reducing large-wave textures 4-1, noise-reducing small-wave textures 4-2, hydrophilic textures 5, a sound-absorbing cavity 6, a lower die 7, an upper die assembly 8, a die support 9, an upper forming die 10, an upper pressurizing die 11, a forming groove 12, a flexible forming assembly 13, a supporting column 14, a flexible piece 15, an end disc 16, a reset spring 17, a flexible sheet 18, a limiting sheet 20, an abrasive sheet mounting groove 21, a friction block 22, a polishing cylinder 23 and a driving cylinder 24.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
This technology will fashioned heat exchange membrane includes hydrophilic coating 1, substrate layer 2 and the coating 3 of making an uproar falls, hydrophilic coating 1 with fall the coating 3 of making an uproar and coat the both sides terminal surface of 2 at the substrate layer respectively, the shaping has the texture 4 of making an uproar of falling on the terminal surface of one side of substrate layer 2, the coating 3 of making an uproar falls on the texture 4 of making an uproar, through the setting of the texture 4 of making an uproar, be convenient for will fall the coating 4 of making an uproar and coat on the terminal surface of substrate layer, improve the coating intensity, it separates from 2 inseparable of substrate layer to prevent to fall the layer 3 and the substrate layer, hydrophilic texture 5 on the terminal surface of the other side of substrate layer 2, hydrophilic coating 1 coats on hydrophilic texture 5, through the setting of hydrophilic texture 5, be convenient for coat 1 with hydrophilic coating on substrate layer 2, equally, prevent hydrophilic coating 1 and substrate layer 2 inseparable.
The noise reduction textures 4 and the hydrophilic textures 5 are arranged in a staggered mode, the hydrophilic textures 5 are arranged in a straight line mode, the noise reduction textures 4 are arranged in a wave mode, the noise reduction textures 4 are preferably arranged on the air exhaust side, the wave noise reduction textures 4 are arranged, the surface of the air exhaust side of the heat exchange membrane is made to be in a wave mode, the contact area of exhausted air and the heat exchange membrane is increased, and the water molecule absorption capacity and the heat energy absorption capacity of the heat exchange membrane are increased, so that the enthalpy efficiency and the water molecule absorption efficiency of the heat exchange membrane are improved, the hydrophilic textures 5 are conveniently processed through the linear hydrophilic textures 5, the processing efficiency of the heat exchange membrane is improved, and preferably, the noise reduction textures 4 are 10-18 mu m in thickness, and the hydrophilic textures are 2-3 mu m in thickness.
The noise reduction texture 4 is provided with a sound absorption cavity 6 in a digging way, the noise reduction coating 3 is partially filled in the sound absorption cavity 6, the noise reduction coating 3 can partially flow into the sound absorption cavity 6 in the coating process, but the sound absorption cavity 6 cannot be completely filled, so that a hole for sound absorption is formed, and the noise reduction coating and glass wool materials and organic animal fiber materials form three-level wind noise adsorption, so that the silencing effect of a heat exchanger is improved, in some preferred modes, the sound absorption cavity 6 is a hole with a small opening and a large inner diameter, and the noise reduction coating 3 filled in the sound absorption cavity 6 is prevented from sliding out of the sound absorption cavity 6.
The noise reduction textures comprise noise reduction large wave textures 4-1 and noise reduction small wave textures 4-2, the noise reduction large wave textures 4-1 and the noise reduction small wave textures 4-2 are arranged at intervals, the noise reduction small wave textures 4-2 are connected between the adjacent noise reduction large wave textures 4-1, and the lengths of the noise reduction textures 4 can be effectively increased through the arrangement of the noise reduction large wave textures 4-1 and the noise reduction small wave textures 4-2, so that the noise reduction effect of the heat exchange membrane is improved, the distance between the adjacent noise reduction textures is 2-4cm, and the distance between the adjacent hydrophilic textures is 2-3 cm.
A process for manufacturing a heat exchange membrane, comprising the steps of,
(1) mixing animal fiber material, wood fiber and purified water to prepare substrate layer mixed solution;
(2) the substrate layer is processed through the manufacturing mold, so that hydrophilic textures and noise reduction textures are formed on the surface of the substrate layer, the hydrophilic textures and the noise reduction textures are used for enhancing the connection strength of the hydrophilic coating and the noise reduction coating with the substrate layer, and the service life of the heat exchange membrane is prolonged;
(3) preparing noise reduction mixed liquid for coating on the surface of the base material layer to form a noise reduction coating;
(4) preparing hydrophilic mixed liquid for coating on the surface of the substrate layer to form a hydrophilic coating;
(5) and respectively coating the noise-reduction mixed liquor and the hydrophilic mixed liquor on the substrate layer, and drying.
Further, the step (1) comprises the following steps,
(a) grinding animal fiber materials and wood fibers to form a base material mixture;
(b) mixing the ground animal fiber material, wood fiber and water to form a substrate layer suspension;
(c) adding a preservative into the substrate layer suspension;
(d) quantitatively pouring the substrate suspension into a mold to uniformly lay the substrate mixture on the mold;
(e) and (5) carrying out pressure test on the die to prepare the substrate layer.
The adoption of animal fiber material is wool felt or rabbit hair felt, and there is the hole in animal fiber such as wool, rabbit hair, has the function of making an uproar of falling of better sound absorption, and wood fiber material is wood pulp, and the granule of wood pulp is more exquisite, and the hydroecium of being convenient for passes through, also feels in the granule of wood pulp has small air hole, and the sound absorption of being convenient for is fallen and is made an uproar, and the mass ratio of animal fiber material, wood fiber material, antiseptic is 7 ~ 9: 20-30: 2 to 3.
In some preferred modes, the preservative is one or more of benzoic acid, sodium benzoate, sorbic acid and potassium sorbate, and a food preservative is adopted to prevent the preservative from volatilizing to cause harm to human bodies.
The step (3) comprises the following steps of,
(3.1) fully stirring and mixing 3-5 parts of alumina, 1-2 parts of sodium oxide, 0.6-1 part of diacetate fiber and 4-8 parts of glass wool;
(3.2) mixing 1-2 parts of silver ions and the mixture with 5-8 parts of silica gel;
(3.3) mixing the mixture of step (3.1) with the mixture of step (3.2).
The glass wool is used as a sound absorption material, the aluminum oxide is used as a heat conduction material, the sodium oxide and the diacetate fibers are used as water molecule adsorption materials, the silver ions are used as antibacterial materials, and the silica gel is used for adsorbing the silver ions, so that the water absorption, noise reduction and heat conduction efficiency of the noise reduction coating is improved.
The step (4) comprises the following steps of,
(4.1) mixing 10-40% of epoxy resin, 1-20% of water-soluble acrylic resin, 1-10% of amino resin, 0.1-0.5% of hydrophilic surfactant, 1-5% of nano carbon material, 0.1-5% of wetting agent, 0.1-5% of leveling agent and 2-10% of cosolvent;
(4.2) preparing deionized water according to the rest proportion;
(4.3) mixing the mixture of step (4.1) with deionized water.
Above-mentioned heat exchange film manufacturing process's manufacturing mould, including lower mould 7, go up mould assembly 8 and mould support 9, 7 slidable mounting of lower mould is on mould support 9, it installs on mould support 9 through cylinder retractable to go up mould assembly 8, go up mould assembly 8 and include mould 10 and mould 11 on the pressurization in the shaping, mould 10 in the shaping, mould 11 and lower mould 7 looks adaptation respectively in the pressurization, mould 11 and lower mould 7 cooperation in the pressurization, carry out the shaping to substrate layer 2, and the texture 4 of making an uproar falls in a side end face formation of substrate layer 2, mould 10 and lower mould 7 cooperation through the shaping, form hydrophilic texture 5 to substrate layer 2's opposite side terminal surface.
A forming groove 12 is dug in the lower die 7, the forming groove 12 is used for forming the noise reduction texture 4, a flexible forming component 13 is installed on the side wall of the forming groove 12, the flexible forming component 13 comprises a support column 14, a flexible piece 15 and an end disc 16, the end disc 16 is fixedly connected to one end of the support column 14, the other end of the support column 14 is telescopically installed on the side wall of the forming groove 12, one end of the flexible piece 14 is fixedly connected with the side wall of the forming groove 23, the other end of the flexible piece 15 is fixedly connected with the end disc 16, a return spring 17 is sleeved on the support column 14, the flexible piece can be bent relatively, so that an arc-shaped sound absorption cavity 6 inner wall is conveniently formed, the flexible forming component 13 is cylindrical under the normal state through the arrangement of the return spring 17, the working principle of the flexible forming component 13 is cylindrical under the normal state, a cylindrical pore is formed on the side wall of the noise reduction mixture, the noise reduction mixture is pressurized through a pressurizing upper die 11, the flexible forming assembly 13 is pressurized, and the flexible piece 15 is expanded to form the sound absorption cavity 6 with a small opening and a large inner diameter.
The flexible piece 15 comprises a plurality of flexible pieces 18, two ends of each flexible piece 18 are fixedly connected with connecting holes 19, one side end part of each flexible piece 18 is fixedly connected with a limiting piece 20, and the opening angle of each flexible piece 18 is convenient to limit through the arrangement of the limiting pieces 20, so that the shape of the sound absorbing cavity 6 is relatively regular.
Dig in the shaping and be equipped with abrasive disc mounting groove 21 in mould 13, slidable mounting has the piece 22 of rubbing in abrasive disc mounting groove 21, is equipped with husky skin on the lower terminal surface of piece 22, polishes the substrate layer through husky skin for the substrate layer of polishing produces the fright, and the coating of hydrophilic coating has better joint strength on the substrate layer of fright.
In some preferred modes, a grinding cylinder 23 is installed on the side wall of the upper forming die 10, the grinding cylinder drives the friction block 22 to move, and preferably, a driving cylinder 24 is installed on the die support 9, and the driving cylinder 24 drives the lower die 7 to move.
Example one
The structure of the heat exchange membrane is consistent with the embodiment.
The noise reduction coating adopts 3 parts of aluminum oxide, 5 parts of silica gel, 1 part of sodium oxide, 0.6 part of diacetate fiber, 1 part of silver ions and 4 parts of glass wool.
The base material layer adopts 7 parts of wool felt, 20 parts of wood pulp and 2 parts of potassium sorbate.
The hydrophilic coating comprises 10% of epoxy resin, 1% of water-soluble acrylic resin, 1% of amino resin, 0.1% of hydrophilic surfactant, 1% of nano carbon material, 0.1% of wetting agent, 0.1% of advection agent, 2% of cosolvent and the balance of deionized water.
Example two
The structure of the heat exchange membrane is consistent with the embodiment.
The noise reduction coating adopts 5 parts of aluminum oxide, 8 parts of silica gel, 2 parts of sodium oxide, 1 part of diacetate fiber, 2 parts of silver ions and 8 parts of glass wool.
The base material layer adopts 9 parts of wool felt, 30 parts of wood pulp and 3 parts of potassium sorbate.
The hydrophilic coating comprises 10% of epoxy resin, 1% of water-soluble acrylic resin, 1% of amino resin, 0.1% of hydrophilic surfactant, 1% of nano carbon material, 0.1% of wetting agent, 0.1% of advection agent, 2% of cosolvent and the balance of deionized water.
EXAMPLE III
The structure of the heat exchange membrane is consistent with the embodiment.
The noise reduction coating adopts 4 parts of aluminum oxide, 6.5 parts of silica gel, 1.5 parts of sodium oxide, 0.8 part of diacetate fiber, 1.5 parts of silver ions and 6 parts of glass wool.
The base material layer adopts 8 parts of wool felt, 25 parts of wood pulp and 2.5 parts of potassium sorbate.
The hydrophilic coating comprises 10% of epoxy resin, 1% of water-soluble acrylic resin, 1% of amino resin, 0.1% of hydrophilic surfactant, 1% of nano carbon material, 0.1% of wetting agent, 0.1% of advection agent, 2% of cosolvent and the balance of deionized water.
Example four
The structure of the heat exchange membrane is consistent with the embodiment.
The noise reduction coating adopts 3 parts of aluminum oxide, 5 parts of silica gel, 1 part of sodium oxide, 0.6 part of diacetate fiber, 1 part of silver ions and 4 parts of glass wool.
The base material layer adopts 7 parts of wool felt, 20 parts of wood pulp and 2 parts of potassium sorbate.
The hydrophilic coating comprises 40% of epoxy resin, 20% of water-soluble acrylic resin, 10% of amino resin, 0.5% of hydrophilic surfactant, 5% of nano carbon material, 5% of wetting agent, 5% of advection agent, 10% of cosolvent and the balance of deionized water.
EXAMPLE five
The noise reduction coating adopts 3 parts of aluminum oxide, 5 parts of silica gel, 1 part of sodium oxide, 0.6 part of diacetate fiber, 1 part of silver ions and 4 parts of glass wool.
The base material layer adopts 7 parts of wool felt, 20 parts of wood pulp and 2 parts of potassium sorbate.
The hydrophilic coating comprises 25% of epoxy resin, 11% of water-soluble acrylic resin, 6% of amino resin, 0.3% of hydrophilic surfactant, 3% of nano carbon material, 2.5% of wetting agent, 2.5% of advection agent, 6% of cosolvent and the balance of deionized water.
Control group 1
The both sides terminal surface of substrate layer is the plane, promptly, does not set up on substrate layer surface and falls the texture of making an uproar and hydrophilic texture.
The noise reduction coating adopts 3 parts of aluminum oxide, 5 parts of silica gel, 1 part of sodium oxide, 0.6 part of diacetate fiber, 1 part of silver ions and 4 parts of glass wool.
The base material layer adopts 7 parts of wool felt, 20 parts of wood pulp and 2 parts of potassium sorbate.
The hydrophilic coating comprises 10% of epoxy resin, 1% of water-soluble acrylic resin, 1% of amino resin, 0.1% of hydrophilic surfactant, 1% of nano carbon material, 0.1% of wetting agent, 0.1% of advection agent, 2% of cosolvent and the balance of deionized water.
Control group two
The heat exchange membrane is not provided with the noise reduction coating, and the structure of the hydrophilic layer is consistent with that of the embodiment.
The base material layer adopts 7 parts of wool felt, 20 parts of wood pulp and 2 parts of potassium sorbate.
The hydrophilic coating comprises 10% of epoxy resin, 1% of water-soluble acrylic resin, 1% of amino resin, 0.1% of hydrophilic surfactant, 1% of nano carbon material, 0.1% of wetting agent, 0.1% of advection agent, 2% of cosolvent and the balance of deionized water.
Control group III
The heat exchange membrane is not provided with a hydrophilic coating, and the structure of the noise reduction layer is consistent with that of the embodiment.
The noise reduction coating adopts 3 parts of aluminum oxide, 5 parts of silica gel, 1 part of sodium oxide, 0.6 part of diacetate fiber, 1 part of silver ions and 4 parts of glass wool.
The base material layer adopts 7 parts of wool felt, 20 parts of wood pulp and 2 parts of potassium sorbate.
Control group IV
The noise reduction coating of the heat exchange membrane adopts a linear form, and the structure of the hydrophilic layer is consistent with the embodiment.
The noise reduction coating adopts 3 parts of aluminum oxide, 5 parts of silica gel, 1 part of sodium oxide, 0.6 part of diacetate fiber, 1 part of silver ions and 4 parts of glass wool.
The base material layer adopts 7 parts of wool felt, 20 parts of wood pulp and 2 parts of potassium sorbate.
The hydrophilic coating comprises 10% of epoxy resin, 1% of water-soluble acrylic resin, 1% of amino resin, 0.1% of hydrophilic surfactant, 1% of nano carbon material, 0.1% of wetting agent, 0.1% of advection agent, 2% of cosolvent and the balance of deionized water.
Respectively installing the heat exchange membranes into the same fresh air system for testing, wherein the test results are shown in the following table;
from the above table, compared with the domestic common commercial membrane, the heat exchange membrane of the invention has the advantages of obviously improved water vapor transmission rate and enthalpy efficiency, better heat and water exchange performance, better static sound effect and improved overall performance of the fresh air machine.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention; thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Although the terms corresponding to the reference numerals in the figures are used more herein, the possibility of using other terms is not excluded; these terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being without limitation to any additional limitations that may be imposed by the spirit of the present invention.
Claims (8)
1. A process for producing a heat exchange membrane, comprising the steps of,
(1) mixing animal fiber material, wood fiber and purified water to prepare substrate layer mixed solution;
(2) processing the base material layer through the manufacturing mold;
(3) preparing noise reduction mixed liquor;
(4) preparing hydrophilic mixed liquor;
(5) respectively coating the noise reduction mixed liquor and the hydrophilic mixed liquor on the substrate layer;
the manufacturing die of the heat exchange film manufacturing process comprises a lower die (7), an upper die assembly (8) and a die support (9), wherein the lower die (7) is slidably mounted on the die support (9), the upper die assembly (8) is telescopically mounted on the die support (9), the upper die assembly (8) comprises an upper forming die (10) and an upper pressurizing die (11), and the upper forming die (10) and the upper pressurizing die (11) are respectively matched with the lower die (7);
dig in lower mould (7) and be equipped with shaping groove (12), install flexible forming subassembly (13) on the lateral wall in shaping groove, flexible forming subassembly (13) are including support column (14), flexible (15) and end plate (16), end plate (16) fixed connection is in the one end of support column (14), the other end retractable of support column (14) is installed on the shaping groove lateral wall, the one end and the shaping groove lateral wall fixed connection of flexible (15), the other end and end plate (16) fixed connection of flexible (15), the cover is equipped with reset spring (17) on support column (14).
2. A process for producing a heat exchange membrane according to claim 1, wherein the step (1) comprises the steps of,
(a) grinding animal fiber materials and wood fibers to form a base material mixture;
(b) mixing the ground animal fiber material, wood fiber and water to form a substrate layer suspension;
(c) adding a preservative into the substrate layer suspension;
(d) quantitatively pouring the substrate suspension into a mold to uniformly lay the substrate mixture on the mold;
(e) and (5) carrying out pressure test on the die to prepare the substrate layer.
3. The manufacturing process of the heat exchange membrane as claimed in claim 2, wherein the animal fiber material in the step (1) is wool felt or rabbit hair felt, the wood fiber material is wood pulp, and the mass ratio of the animal fiber material to the wood fiber material to the preservative is 7-9: 20-30: 2 to 3.
4. A process for producing a heat exchange membrane according to claim 1, wherein the step (3) comprises the steps of,
(3.1) fully stirring and mixing 3-5 parts of alumina, 1-2 parts of sodium oxide, 0.6-1 part of diacetate fiber and 4-8 parts of glass wool;
(3.2) mixing 1-2 parts of silver ions and the mixture with 5-8 parts of silica gel;
(3.3) mixing the mixture of step (3.1) with the mixture of step (3.2).
5. A process for producing a heat exchange membrane according to claim 1, wherein the step (4) comprises the steps of,
(4.1) mixing 10-40% of epoxy resin, 1-20% of water-soluble acrylic resin, 1-10% of amino resin, 0.1-0.5% of hydrophilic surfactant, 1-5% of nano carbon material, 0.1-5% of wetting agent, 0.1-5% of advection agent and 2-10% of cosolvent;
(4.2) preparing deionized water according to the rest proportion;
(4.3) mixing the mixture of step (4.1) with deionized water.
6. The manufacturing process of the heat exchange membrane as claimed in claim 1, wherein the flexible member (15) comprises a plurality of flexible sheets (18), the two ends of the flexible sheets (18) are fixedly connected with the connecting holes (19), and one side end part of the flexible sheets (18) is fixedly connected with the limiting sheet (20).
7. A process for manufacturing a heat exchange membrane according to claim 1, wherein a blade mounting groove (21) is dug in the upper molding die (10), a friction block (22) is slidably mounted in the blade mounting groove (21), and a sand skin is provided on the lower end surface of the friction block (22).
8. A process for manufacturing a heat exchange membrane according to claim 1, wherein a grinding cylinder (23) is installed on the side wall of the upper molding die (10).
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| JP2016109423A (en) * | 2014-12-09 | 2016-06-20 | 現代自動車株式会社Ｈｙｕｎｄａｉ Ｍｏｔｏｒ Ｃｏｍｐａｎｙ | Heat exchanger for vehicle |
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