CN106521975B - A kind of Total heat exchange film and preparation method thereof - Google Patents
A kind of Total heat exchange film and preparation method thereof Download PDFInfo
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- CN106521975B CN106521975B CN201610913834.0A CN201610913834A CN106521975B CN 106521975 B CN106521975 B CN 106521975B CN 201610913834 A CN201610913834 A CN 201610913834A CN 106521975 B CN106521975 B CN 106521975B
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- D06N3/045—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds with polyolefin or polystyrene (co-)polymers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/30—Arrangement or mounting of heat-exchangers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
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Abstract
A kind of Total heat exchange film and preparation method thereof is provided, a kind of Total heat exchange core, a kind of total-heat exchanger and a kind of air-treatment unit are additionally provided.The Total heat exchange film includes thermally conductive hydrophilic porous structure film and coated in the hydrophilic macromolecule composite material on the thermally conductive hydrophilic porous structure film；Wherein, the thermally conductive hydrophilic porous structure film is mainly made up of thermally conductive hydrophilic composite fibre of non-woven fabrics craft or process for pressing, the thermally conductive hydrophilic composite fibre includes hydrophilic fibre and high thermal conductivity filler, and the hydrophilic macromolecule composite material includes hydrophilic high molecular material and filler.Total heat exchange film of the invention passes through using thermally conductive hydrophilic fibers network as the substrate of Total heat exchange film or skeleton and applies hydrophilic macromolecule composite material on the substrate or skeleton, improves the penetrability and thermal conductivity of Total heat exchange film.
Description
Technical field
The invention belongs to polymer composite material field more particularly to hydrophily, high heat conductance composite material, tools
Body is a kind of Total heat exchange film and preparation method thereof, further relates to a kind of Total heat exchange core including the Total heat exchange film, a kind of
Total-heat exchanger and a kind of air-treatment unit including Total heat exchange core including Total heat exchange core.
Background technique
The development of requirement and passive building technology with people to air quality improves energy utilization rate and improves air matter
Amount becomes one of green building field focus.In new blower use process, for the energy consumption often duty of Fresh air handing
Adjust 30% or more of total energy consumption.Fresh air-changing device technology improves a lot in recent years, is usually by fresh air pipeline and interior
Exhaust duct carries out heat exchange to realize energy saving effect.Using total-heat exchanger, by fresh air and it is discharged mixed
Turbid air carries out energy and humidity exchange on Total heat exchange film, air energy in building and humidity can be adjusted and be returned
It receives, to effectively realize the target of building energy-saving emission reduction.Therefore, Total heat exchange technology has been increasingly becoming building energy saving field weight
One of point research direction.
Currently, the heat exchange pellet of existing new blower mostly uses aluminium core fast and core block, aluminium core block is applied to Exchange of apparent heat
Device can not carry out humidity i.e. latent heat exchange；Core block is applied to total-heat exchanger, but one side Exchange of apparent heat is not so good as aluminium core,
On the other hand mildew, blocking are easy and breeds bacterium, reduces air quality, service life is also shorter.
Under background above, there is technology to wish to improve the thermally conductive of Total heat exchange film by using high thermal conductivity filler in recent years
Coefficient, and then assign moisture permeable membrane certain Exchange of apparent heat ability.In this regard, there are two types of the technology paths mainly used at present:
(1) high thermal conductivity core.It is added in paper pulp using high thermal conductivity filler, improves the enthalpy exchange efficiency of core.Such as:
Application No. is disclosing in the Chinese patent application of CN201410590943.4, a kind of high-termal conductivity graphene is compound
Thermally conductive filtering material, using water-soluble graphene and paper pulp, content proportion is water-soluble graphene≤2%, paper pulp >=98%,
It is shaped to plate using paper technology after evenly mixing under room temperature or is molded with a mold.
(2) high thermal conductivity macromolecule core.Using resin and high thermal conductivity filler as raw material, molding prepares Total heat exchange in different ways
Film improves the enthalpy exchange efficiency of macromolecule core.Such as:
Application No. is the Chinese patent application of CN201210332671.9 disclose a kind of heat exchange out-phase laminated film and
Preparation method, the heat exchange out-phase laminated film are made of high polymer, nonmetallic inorganic object and high heat-conductivity conducting material, wherein
Nonmetallic inorganic object in polymer matrix, forms multiphase solid film with crystal phase particle disperse；High polymer have it is soluble or
Meltability, nonmetallic inorganic object have stratiform, netted or cavernous structure, and high heat-conductivity conducting material has stratiform, tubulose or other
Lattice structure, and high heat-conductivity conducting quality of materials accounts for the 1%~10% of high polymer and nonmetallic inorganic object gross mass.
Application No. is the Chinese patent applications of CN201610118814.4 to disclose a kind of cannulated tunica fibrosa, preparation side
Method and application, wherein the tunica fibrosa is hollow tubular structure, and tube wall ecto-entad successively includes cortex and porous support layer,
In, the material of cortex is polyvinyl alcohol, and cortex with a thickness of 5-20 μm, contain Heat Conduction Material, heat conduction material in porous support layer
Material accounts for the 40-60% of porous support layer gross mass.
Application No. is a kind of high thermal conductivity moisture permeable membrane and its system are disclosed in the Chinese patent application of CN201310120456.7
Preparation Method.High thermal conductivity moisture permeable membrane includes film base material and high thermal conductivity filler, and high thermal conductivity filler is in film base material and high thermal conductivity filler total amount
In content be 1-10wt%.
But above method is in the actual operation process, major defect has two o'clock:
(1) heat filling and substrate are uniformly compound, although improving certain Exchange of apparent heat efficiency, heat filling meeting
Block micro pores influence hydrone through film, reduce latent heat exchange efficiency instead.
(2) when heat filling usage amount is few, skeleton or network cannot be formed in the substrate, and thermal conductivity improves limited；And it leads
When hot filler usage amount is more, causes substrate imperfection more, be greatly reduced mechanical property, membrane lifetime critical constraints.
For this purpose, market needs a kind of new Total heat exchange film, it can be under the premise of not reducing latent heat exchange rate, effectively
Improve Exchange of apparent heat efficiency.
Summary of the invention
Background and technical problem in view of the above technology.The object of the invention is to develop a kind of new Total heat exchange film, it is intended to no
Under the premise of reducing latent heat exchange rate, Exchange of apparent heat efficiency is effectively improved.For this purpose, the present invention is hydrophilic using high thermal conductivity
Property composite fibre be that substrate forms thermally conductive hydrophilic fibers network as skeleton or substrate, then applies on the skeleton or substrate hydrophilic
Property polymer composite formed Total heat exchange film.
The present invention provides a kind of Total heat exchange film, including thermally conductive hydrophilic porous structure film and thermally conductive hydrophilic coated in this
Hydrophilic macromolecule composite material on porous structure film；Wherein, the thermally conductive hydrophilic porous structure film is mainly by thermally conductive hydrophilic
Composite fibre is made up of non-woven fabrics craft or process for pressing, and the thermally conductive hydrophilic composite fibre includes that hydrophilic fibre and height are led
Hot filler, the hydrophilic macromolecule composite material includes hydrophilic high molecular material and filler.
Wherein, the thermally conductive hydrophilic porous structure film is thermally conductive hydrophilic nonwoven fabrics.
Wherein, the grammes per square metre of the thermally conductive hydrophilic nonwoven fabrics is 30-50g/m2, preferably 40g/m2。
Wherein, the thermally conductive hydrophilic composite fibre is made of melt spinning method or solution spinning.
Wherein, the hydrophilic fibre includes at least one of regenerated fiber and hydrophily synthetic fibers.
Wherein, the regenerated fiber includes viscose rayon, and the hydrophily synthetic fibers include after hydrophilic modifying is handled
At least one of terylene, acrylic fibers, polyamide fibre or polypropylene fibre.
Wherein, the high thermal conductivity filler includes graphene, carbon fiber, carbon nanotube, graphite, at least one in metal powder
Kind.
Wherein, the content of the high thermal conductivity filler is the 0.1-20% of thermally conductive hydrophilic porous structure film total weight, preferably
3-10%.
Wherein, the hydrophilic high molecular material includes polyacrylic acid, polyvinyl alcohol of high degree of polymerization, polyvinylpyrrolidine
Ketone, polydimethylacrylamiin and other hydrophilic modifyings treated one or more of thermoplastic polyester
Mixture.
Wherein, the total amount of adding of the filler is the 0.1-5%, preferably 0.5- of hydrophilic macromolecule composite material total weight
3%.
Wherein, the filler includes hygroscopic agent, fire retardant and pore-foaming agent.
Wherein, the hygroscopic agent includes hygroscopic inorganic hydrochlorate, hygroscopicity acylate, hygroscopicity multivalence alcohol, hygroscopicity
One of macromolecule or a variety of mixtures.
Wherein, the hygroscopicity acylate includes at least one of calcium lactate and pyrrole network alkanone hydroxy acid sodium.
Wherein, the hygroscopicity multivalence alcohol includes glycol.
Wherein, the hygroscopicity macromolecule includes starch and its modifier, polyglutamic acid, vinyl acetate, carboxymethyl cellulose
At least one of element.
Wherein, the hygroscopic agent must include hygroscopic inorganic hydrochlorate.
Wherein, the fire retardant includes at least one of inorganic flame retardant and organic flame retardant.
Wherein, the inorganic flame retardant includes aluminium hydroxide, calcium hydroxide, magnesium hydroxide, antimony oxide, silicon systems resistance
Fire at least one of agent (can be inorganic silica, can also be organic siloxanes etc.).
Wherein, organic flame retardant includes at least one of polyphosphate antimony, ammonium bromide, chloridized polyolefin.
Wherein, the pore-foaming agent includes polyethylene glycol, preferably Polyethylene glycol-2000.
Wherein, the Total heat exchange film has the thermal coefficient and 492.0-1231.4g/ of 1.725-3.922W/ (mK)
m224 hours steam penetrating capacities.
The present invention also provides a kind of preparation methods of above-mentioned Total heat exchange film, comprising the following steps:
(a) thermally conductive hydrophilic composite fibre is made in hydrophilic fibre and high thermal conductivity filler；
(b) it by non-woven fabrics craft or process for pressing, is mainly made of the thermally conductive hydrophilic composite fibre thermally conductive hydrophilic more
Pore structure film；
(c) at a certain temperature, hydrophilic high molecular material is dissolved in a solvent, filler is then added, and is carried out constant temperature and is stirred
It mixes, forms hydrophilic macromolecule composite material after evenly dispersed；
(d) the hydrophilic macromolecule composite material is coated on the thermally conductive hydrophilic porous structure film, after drying
Obtain the Total heat exchange film.
Wherein, solvent described in step (c) is selected from acetone, water, ethyl alcohol, methanol, isopropanol, ethylene glycol, N- methylpyrrole
The mixed solvent of one or more of alkanone, dimethylformamide, dimethyl acetamide, glycol dimethyl ether.
Wherein, the temperature of dissolution described in step (c) and constant temperature stirring is 40-90 DEG C, and mixing time is that 2-24 is small
When.
Wherein, the coating method in step (d) include the tape casting, rolling process, die pressing, evaporation solvent method at least one
Kind.
The present invention also provides a kind of Total heat exchange cores comprising above-mentioned Total heat exchange film, preferably mainly by above-mentioned complete
Heat exchange membranes are made, wherein the technique of Total heat exchange core is made in Total heat exchange film and method is well known.
The present invention also provides a kind of total-heat exchangers, including above-mentioned Total heat exchange core, further include shell, are arranged in institute
Fresh air air inlet, fresh air air outlet, air draft air inlet, the air draft air outlet on shell are stated, the Total heat exchange core is set to
In the shell.
The present invention also provides a kind of air-treatment units, including above-mentioned Total heat exchange core, further include unit box body, if
Set fresh air air inlet, fresh air air outlet, air draft air inlet, air draft air outlet on the unit box body, the Total heat exchange
Core is set in the unit box body.
The present invention provides a kind of new hydrophily high thermal conductivity Total heat exchange film and preparation method thereof, additionally provide it is a kind of by
Total heat exchange core made of the Total heat exchange film, a kind of total-heat exchanger and one kind including the Total heat exchange core
Air-treatment unit including the Total heat exchange core.The network skeleton structure or matrix structure of the film are mainly by thermally conductive parent
Water composite fibre thermally conductive hydrophilic porous structure film made of non-woven fabrics craft or process for pressing, can effectively improve the biography of film
Hot property is conducive to Exchange of apparent heat.And using this thermally conductive hydrophilic porous structure film as substrate, coated hydrophilic macromolecule is compound
Film is conducive to hydrone in the absorption and diffusion in vertical direction on surface, wherein added hygroscopic agent, fire retardant and cause
Hole agent helps to further increase the penetrability of hydrophilic macromolecule composite membrane.
Total heat exchange film of the invention effectively increases Total heat exchange film in the case where ensure that high moisture-inhibiting degree as a result,
Exchange of apparent heat ability.Wherein, the high thermal conductivity hydrophilic fibers net for the porous structure film being mainly made of thermally conductive hydrophilic composite fibre
Network structure provides higher mechanical strength to Total heat exchange film, Total heat exchange membrane lifetime can be made big while being responsible for heat transfer
It is higher than paper membrane and pure polymeric membrane greatly.
Specific embodiment
Embodiment 1
The Total heat exchange film of embodiment 1 is prepared for using following steps, the step includes:
(1) it uses the viscose rayon of the graphene containing 5wt.% for raw material, is processed as grammes per square metre 35g/m2, with a thickness of 260 μm
Non-woven fabrics；
(2) 10g polyvinyl alcohol is taken, 100ml water is added and 90 DEG C of lasting seals is kept to stir 2 hours and dissolves；Then it is added
0.05g calcium chloride, 0.05g calcium hydroxide and 0.1g Polyethylene glycol-2000,70 DEG C of heat preservation persistently stir 2 hours to additive point
It dissipates uniformly, subsequent standing and defoaming 12 hours；
(3) the mixture even application for obtaining step (2) keeps 8 in 80 DEG C of air dry ovens in nonwoven surface
Hour is dry；Obtain Total heat exchange film.
Moisture-vapor transmission test is carried out to above-mentioned Total heat exchange film, test method is according to national standard GB1037-88.It is testing
Temperature is 38 DEG C, and under conditions of being 90% through face relative humidity, obtaining 24 hours steam penetrating capacities is 841.5g/m2。
Heating conduction test is carried out to above-mentioned Total heat exchange film wet film, thermal coefficient is 1.725W/ (mK).
Embodiment 2
(1) it uses the hydrophilic acrylic fibers of the graphite containing 20wt.% for raw material, is processed as grammes per square metre 50g/m2, with a thickness of 350 μm of nothings
Woven fabric；
(2) 20g polyvinylpyrrolidone is taken, 150ml N-Methyl pyrrolidone is added and keeps the lasting stirring of 60 DEG C of sealings
It dissolves within 4 hours；0.2g magnesium chloride, 0.1g aluminium hydroxide and 0.1g Polyethylene glycol-2000 is then added, keeps the temperature 40 DEG C of lasting stirrings
It is uniformly dispersed to additive within 8 hours；Subsequent standing and defoaming 12 hours；
(3) the mixture even application for obtaining step (2) keeps 12 in 60 DEG C of air dry ovens in nonwoven surface
Hour is dry；Obtain Total heat exchange film.
Moisture-vapor transmission test is carried out to above-mentioned Total heat exchange film, condition is same as Example 1, obtains 24 hours water and steams
Gas transit dose is 492.0g/m2。
Heating conduction test is carried out to above-mentioned Total heat exchange film wet film, thermal coefficient is 3.922W/ (mK).
Embodiment 3
(1) it uses the viscose rayon of the graphite containing 20wt.% for raw material, is processed as grammes per square metre 45g/m2, with a thickness of 300 μm of nothings
Woven fabric；
(2) 20g polyacrylic acid is taken, 80ml ethyl alcohol is added and 40 DEG C of sealings is kept persistently to stir 2 hours and dissolves；Then it is added
0.05g magnesium chloride, 0.1g pyrrolidones hydroxy acid sodium, 0.1g ammonium bromide and 0.2g Polyethylene glycol-2000 keep the temperature 40 DEG C of lasting stirrings
It is uniformly dispersed to additive within 12 hours；Subsequent standing and defoaming 12 hours；
(3) the mixture even application for obtaining step (2) keeps 6 in 80 DEG C of air dry ovens in nonwoven surface
Hour is dry；Obtain Total heat exchange film.
Moisture-vapor transmission test is carried out to above-mentioned Total heat exchange film, condition is same as Example 1, obtains 24 hours water and steams
Gas transit dose is 981.5g/m2。
Heating conduction test is carried out to above-mentioned Total heat exchange film wet film, thermal coefficient is 2.205W/ (mK).
Embodiment 4
(1) it uses the hydrophilic modifying polyester fiber of the carbon nanotube containing 10wt.% for raw material, is processed as grammes per square metre 40g/m2, it is thick
The non-woven fabrics that degree is 300 μm；
(2) take 20g polydimethylacrylamiin, 150ml acetone is added and keep 50 DEG C of sealings persistently stir 2 hours it is molten
Solution；0.05g aluminium oxide, 0.1g carboxymethyl cellulose, 0.2g antimony oxide and 0.05g Polyethylene glycol-2000 is then added, protects
50 DEG C of temperature is persistently stirred 8 hours and is uniformly dispersed to additive；Subsequent standing and defoaming 12 hours；
(3) the mixture even application for obtaining step (2) keeps 10 in 60 DEG C of air dry ovens in nonwoven surface
Hour is dry；Obtain Total heat exchange film.
Moisture-vapor transmission test is carried out to above-mentioned Total heat exchange film, condition is same as Example 1, obtains 24 hours water and steams
Gas transit dose is 881.5g/m2。
Heating conduction test is carried out to above-mentioned Total heat exchange film wet film, thermal coefficient is 1.835W/ (mK).
Embodiment 5
(1) it uses the hydrophilic modifying polypropylene fiber of the carbon fiber containing 10wt.% for raw material, is processed as grammes per square metre 40g/m2, thickness
For 300 μm of non-woven fabrics；
(2) 5g polydimethylacrylamiin and 10g polyacrylic acid are taken, 150ml ethyl alcohol is added and 40 DEG C of sealings is kept to continue
It stirs 4 hours and dissolves；0.01g calcium oxide, 0.01g polyglutamic acid, 0.02g polyphosphate antimony and 0.1g polyethylene glycol-is then added
2000,40 DEG C of heat preservation is persistently stirred 12 hours and is uniformly dispersed to additive；Subsequent standing and defoaming 12 hours；
(3) the mixture even application for obtaining step (2) keeps 12 in 80 DEG C of air dry ovens in nonwoven surface
Hour is dry；Obtain Total heat exchange film.
Moisture-vapor transmission test is carried out to above-mentioned Total heat exchange film, condition is same as Example 1, obtains 24 hours water and steams
Gas transit dose is 1231.4g/m2。
Heating conduction test is carried out to above-mentioned Total heat exchange film wet film, thermal coefficient is 1.732W/ (mK).
Table 1 summarize the Total heat exchange film of 1-5 of the embodiment of the present invention with application No. is CN201210332671.9 and
The comparison of Total heat exchange film in the Chinese patent application of CN201310120456.7.As can be seen from Table 1, with prior art phase
Than, Total heat exchange film of the invention pass through using thermally conductive hydrophilic fibers network as the substrate of Total heat exchange film or skeleton and
Hydrophilic macromolecule composite material is applied on the substrate or skeleton, and the penetrability and thermal conductivity of Total heat exchange film greatly improved.
The comparison of table 1 Total heat exchange film of the invention and the prior art
Obviously, the above embodiments are merely examples for clarifying the description, and does not limit the embodiments.It is right
For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of variation or
It changes.There is no necessity and possibility to exhaust all the enbodiments.And it is extended from this it is obvious variation or
It changes still within the protection scope of the invention.
Claims (18)
1. a kind of Total heat exchange film, including thermally conductive hydrophilic porous structure film and coated on the thermally conductive hydrophilic porous structure film
Hydrophilic macromolecule composite material；Wherein, the thermally conductive hydrophilic porous structure film mainly passes through nothing by thermally conductive hydrophilic composite fibre
Woven fabric technique or process for pressing are made, and the thermally conductive hydrophilic composite fibre includes hydrophilic fibre and high thermal conductivity filler, the height
The content of heat filling is the 3-10% of thermally conductive hydrophilic porous structure film total weight, and the hydrophilic macromolecule composite material includes
Hydrophilic high molecular material and filler.
2. Total heat exchange film as described in claim 1, wherein the thermally conductive hydrophilic porous structure film is thermally conductive hydrophilic nonwoven
Cloth, and the grammes per square metre of the thermally conductive hydrophilic nonwoven fabrics is 30-50g/m2。
3. Total heat exchange film as described in claim 1, wherein the high thermal conductivity filler includes graphene, carbon fiber, carbon nanometer
At least one of pipe, graphite, metal powder.
4. Total heat exchange film as described in claim 1, wherein the total amount of adding of the filler is hydrophilic macromolecule composite wood
Expect the 0.1-5% of total weight.
5. Total heat exchange film as described in claim 1, wherein the filler includes hygroscopic agent, fire retardant and pore-foaming agent.
6. Total heat exchange film as described in claim 1, wherein the Total heat exchange film has 1.725-3.922W/ (mK)
Thermal coefficient and 492.0-1231.4g/m224 hours steam penetrating capacities.
7. Total heat exchange film as described in claim 1, wherein the hydrophilic fibre includes regenerated fiber and hydrophily synthesis
At least one of fiber.
8. Total heat exchange film as claimed in claim 7, wherein the regenerated fiber includes viscose rayon, and the hydrophily is closed
It include through hydrophilic modifying treated at least one of terylene, acrylic fibers, polyamide fibre or polypropylene fibre at fiber.
9. Total heat exchange film as described in claim 1, wherein the hydrophilic high molecular material includes polyacrylic acid, Gao Ju
The mixture of one or more of right polyvinyl alcohol, polyvinylpyrrolidone, polydimethylacrylamiin.
10. Total heat exchange film as claimed in claim 5, wherein the hygroscopic agent must include hygroscopic inorganic hydrochlorate.
11. Total heat exchange film as claimed in claim 5, wherein the fire retardant includes inorganic flame retardant and organic system resistance
Fire at least one of agent.
12. Total heat exchange film as claimed in claim 5, wherein the pore-foaming agent includes polyethylene glycol.
13. a kind of preparation method of Total heat exchange film as claimed in claim 1, comprising the following steps:
(a) thermally conductive hydrophilic composite fibre is made in hydrophilic fibre and high thermal conductivity filler；
(b) by non-woven fabrics craft or process for pressing, thermally conductive hydrophilic porous knot is mainly made by the thermally conductive hydrophilic composite fibre
Structure film；
(c) at a certain temperature, hydrophilic high molecular material is dissolved in a solvent, filler is then added, and carries out constant temperature stirring,
Even dispersion forms hydrophilic macromolecule composite material；
(d) the hydrophilic macromolecule composite material is obtained after drying coated on the thermally conductive hydrophilic porous structure film
The Total heat exchange film.
14. the preparation method of Total heat exchange film as claimed in claim 13, wherein dissolution and the perseverance described in step (c)
The temperature of temperature stirring is 40-90 DEG C, and mixing time is 2-24 hours.
15. the preparation method of Total heat exchange film as claimed in claim 13, wherein solvent described in step (c) is selected from third
Ketone, water, ethyl alcohol, methanol, isopropanol, ethylene glycol, N-Methyl pyrrolidone, dimethylformamide, dimethyl acetamide, ethylene glycol
The mixed solvent of one or more of dimethyl ether.
16. a kind of Total heat exchange core, the Total heat exchange core includes any Total heat exchange film of claim 1-12.
17. a kind of total-heat exchanger further includes shell, is arranged described including the Total heat exchange core described in claim 16
Fresh air air inlet, fresh air air outlet, air draft air inlet, air draft air outlet on shell, the Total heat exchange core are set to institute
It states in shell.
18. a kind of air-treatment unit further includes unit box body including the Total heat exchange core described in claim 16, setting
Fresh air air inlet, fresh air air outlet, air draft air inlet, air draft air outlet on the unit box body, the Total heat exchange core
Body is set in the unit box body.
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| CN111363341B (en) * | 2020-04-01 | 2022-03-08 | 青岛华世洁环保科技有限公司 | Heat exchange base material, rotary wheel heat exchanger rotary core carrier, rotary wheel heat exchanger rotary core and preparation method thereof, and rotary wheel heat exchanger |
| CN111778759B (en) * | 2020-07-10 | 2022-06-03 | 潍坊杰高非织材料科技有限公司 | Full heat exchange graphene paper membrane |
| CN112553901B (en) * | 2020-11-25 | 2023-03-17 | 武汉纺织大学 | High-efficiency heat exchange temperature-adjusting fiber material, preparation method and application thereof in cigarettes |
| CN112776376B (en) * | 2020-12-31 | 2022-08-19 | 浙江纳风净化技术有限公司 | Manufacturing process and manufacturing die of heat exchange membrane |
| CN112857119B (en) * | 2020-12-31 | 2022-12-09 | 浙江纳风净化技术有限公司 | Heat exchange membrane |
| CN113896928A (en) * | 2021-09-16 | 2022-01-07 | 杭州龙碧科技有限公司 | Gas-barrier and moisture-transfer film for total heat exchange core and preparation method thereof |
| WO2023082229A1 (en) * | 2021-11-15 | 2023-05-19 | 青岛科技大学 | Gel composite film, preparation method therefor, and use thereof |
| CN118477496A (en) * | 2023-02-13 | 2024-08-13 | 深圳市星源材质科技股份有限公司 | Composite membrane and preparation method and application thereof |
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