CN105921036A - Washable heat exchange membrane, core with washable heat exchange membrane and preparation method for washable heat exchange membrane - Google Patents
Washable heat exchange membrane, core with washable heat exchange membrane and preparation method for washable heat exchange membrane Download PDFInfo
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- CN105921036A CN105921036A CN201610480994.0A CN201610480994A CN105921036A CN 105921036 A CN105921036 A CN 105921036A CN 201610480994 A CN201610480994 A CN 201610480994A CN 105921036 A CN105921036 A CN 105921036A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
- B01D71/06—Organic material
- B01D71/38—Polyalkenylalcohols; Polyalkenylesters; Polyalkenylethers; Polyalkenylaldehydes; Polyalkenylketones; Polyalkenylacetals; Polyalkenylketals
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D65/00—Accessories or auxiliary operations, in general, for separation processes or apparatus using semi-permeable membranes
- B01D65/02—Membrane cleaning or sterilisation ; Membrane regeneration
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D67/00—Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
- B01D67/0002—Organic membrane manufacture
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
- B01D69/02—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor characterised by their properties
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
- B01D69/10—Supported membranes; Membrane supports
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
- B01D71/06—Organic material
- B01D71/08—Polysaccharides
- B01D71/12—Cellulose derivatives
- B01D71/14—Esters of organic acids
- B01D71/16—Cellulose acetate
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
- B01D71/06—Organic material
- B01D71/26—Polyalkenes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
- B01D71/06—Organic material
- B01D71/40—Polymers of unsaturated acids or derivatives thereof, e.g. salts, amides, imides, nitriles, anhydrides, esters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
- B01D71/06—Organic material
- B01D71/44—Polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds, not provided for in a single one of groups B01D71/26-B01D71/42
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
- B01D71/06—Organic material
- B01D71/52—Polyethers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
- B01D71/06—Organic material
- B01D71/58—Other polymers having nitrogen in the main chain, with or without oxygen or carbon only
- B01D71/60—Polyamines
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
- B01D71/06—Organic material
- B01D71/74—Natural macromolecular material or derivatives thereof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2321/00—Details relating to membrane cleaning, regeneration, sterilization or to the prevention of fouling
- B01D2321/28—Details relating to membrane cleaning, regeneration, sterilization or to the prevention of fouling by soaking or impregnating
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2323/00—Details relating to membrane preparation
- B01D2323/12—Specific ratios of components used
Abstract
The invention discloses a washable heat exchange membrane, a core with the washable heat exchange membrane and a preparation method for the washable heat exchange membrane. The heat exchange membrane comprises a supporting layer and a functional layer which is compounded to the surface of the supporting layer, wherein the functional layer is prepared from a macromolecular polymer and a modifier through chemical crosslinking and grafting modification. The heat exchange membrane is applied to a heat exchange core of an air conditioner heat recovery system. The washable heat exchange membrane disclosed by the invention is subjected to modifications such as chemical crosslinking, grafting modification and blending, so that the prepared high-polymer-ion heat exchange membrane has water molecule channels and is resistant to water solubles. Compared with the prior art, the core made from the heat exchange membrane disclosed by the invention has excellent heat conduction, moisture permeability and barrier to gases such as carbon dioxide, the membrane can be washed, and the performance of the membrane is not affected after the membrane is washed, so that the membrane can be recycled, the cost is reduced, and the market competitiveness is higher.
Description
Technical field
VMC recuperation of heat parts technical field of the present invention, relates to a kind of heat exchange membranes capable of washing
Movement, is specifically related to a kind of heat recuperating membrane capable of washing and the preparation method of movement thereof.
Background technology
In the today implementing in full the strategy of sustainable development, China using energy-saving and emission-reduction as a weight
The state basic policy wanted.Build the energy directly consumed during building and using close to society's total energy consumption
1/3；Operation energy consumption at China's only house and commercial building can be equivalent to Chinese cement and iron and steel row
Industry comprehensive, and this building energy consumption has about 55% for heating and air conditioning energy consumption, it is restriction building joint
The key factor of energy.Along with gradually stepping up of people's living standard, indoor air quality is wanted by people
Ask more and more higher, cause novel wind energy consumption to become the important component part of air conditioning energy consumption.Therefore, how
On the premise of ensureing IAQ, reducing air conditioning energy consumption has become in air-Conditioning Research development
Of paramount importance problem.
Research shows: air conditioner heat recovery system can be by new for outdoor wind through filtering, purifying and lead to
Cross after its core component heat exchange membranes carries out hot and humid area process and be sent into indoor, simultaneously again by indoor
After the air draft process filtration of dirt, purification, hot wet recovery outside discharge chamber, and indoor air temperature
Do not entered to be affected by the most distinguished and the most admirable, be effectively improved building energy consumption ratio, can reduce air-conditioning system 50%～
The new wind load of 80%, can efficiently solve the lance improving air quality and reducing between air conditioning energy consumption
Shield.
Along with popularizing of air-conditioning heat-recovering fresh air system, traditional heat exchange membranes shortcoming gradually comes out.
Common papery heat recuperating membrane can not effectively completely cut off pernicious gas and germ, and the most mouldy；Water-soluble
Property polymeric membrane has efficient poisture-penetrability, and can effectively intercept pernicious gas, but both of which can not be clear
Wash, not reproducible utilization.
Summary of the invention
It is an object of the invention to for above-mentioned technical problem, it is provided that a kind of heat exchange membranes capable of washing.
The heat exchange membranes that the present invention is capable of washing, thickness is 10～100 μm, including supporting layer and compound
Functional layer in described support layer surface；Wherein the thickness of functional layer is 1～20 μm.
Described functional layer is high molecular polymer and modifying agent chemical crosslinking, graft modification forms；Its
The mass ratio of middle high molecular polymer and modifying agent is 50～99.9:0.1～50；
Described high molecular polymer be polyvinyl alcohol, polyacrylamide, polyethylene glycol, polyaniline,
Shitosan, polypropylene, cellulose acetate, sulfonated polymer, poly-dopamine, poly dimethyl dialkylene
In propyl ammonium chloride, polymethyl acyloxyethyl trimethyl ammonium chloride, polyvinylpyrrolidone etc.
One or more；Described modifying agent be polyphosphate sodium, glutaraldehyde, maleic anhydride, glycerine, the third two
One or more in alcohol；
Described supporting layer is cellulose paper, polyester non-woven fabric or polypropylene non-woven fabric.
It is a further object to provide the preparation method of above-mentioned heat exchange membranes.
The method comprises the following steps:
Step (1), prepare macromolecule polymer solution or melted high molecular polymer；
Step (2), the polymer solution in step (1) is uniformly mixed to get casting solution,
It is cast on support layer, drying and forming-film.
Step (3), the film of step (2) is immersed in modifier solution, Immersion time 0.5～5h,
Obtain the heat exchange membranes capable of washing of modification.
A further object of the present invention is to provide above-mentioned heat exchange membranes in air conditioner heat recovery system heat exchange
Application in movement.
Movement of the present invention, including heat exchange membranes A, cartridge assemblies, upper cover, lower cover and fixing
Bar, overall by the fixing connection of fixing bar.
Described cartridge assemblies is integrative-structure, and with engineering plastics as framework, heat exchange membranes B is as core rod
Once it is molded in injection mold, cartridge assemblies thickness 3～10mm；Cartridge assemblies side is arranged
There is the cross-superimposed placement of connecting hole, cartridge assemblies and heat exchange membranes A, form recuperation of heat movement；Described
Upper cover, recuperation of heat movement and lower cover are connected by connecting hole is fixing by fixing bar, form recuperation of heat movement
Main body, described recuperation of heat movement height overall H is 100mm～1000mm.
Here heat exchange membranes A and heat exchange membranes B are the heat exchange membranes that the present invention prepares.
Described heat exchange membranes movement capable of washing is shaped as quadrangle, six prismatics.
The heat exchange membranes capable of washing of the present invention through chemical crosslinking, graft modification, the modification such as be blended, must
To not only having hydrone passage, but also resistance to water miscible macroion heat exchange membranes.With prior art phase
Ratio, the heat exchange membranes of the present invention is made movement and is not only had heat transfer, water vapour permeability and the dioxy of excellence
Change the barrier of the gases such as carbon, and film is capable of washing, does not affect the performance of film after cleaning, so that should
Film can be recycled, cost-effective, has more the market competitiveness.
Accompanying drawing explanation
Fig. 1 is heat exchange movement overall structure figure；
Fig. 2 is the cartridge assemblies structure chart of heat exchange movement.
Wherein: 1 is upper cover, 2 is fixing bar, and 3 is cartridge assemblies, and 4 is heat exchange membranes A, and 5 are
Lower cover, 3-1 is connecting hole, and 3-2 is heat exchange membranes B, and 3-3 is plastic frame.
Detailed description of the invention
Below by embodiment, invention is expanded on further, but is not limiting as the present invention.
Temperature exchange efficiency that following example are used and enthalpy exchange efficiency method of testing are all with reference to state
Cooling in summer operating mode in family's standard GB/T21087-2007 " air-to-air energy recovery equipment ",
The newest wind side dry-bulb temperature 35 DEG C, wet-bulb temperature 28 DEG C；Air draft side dry-bulb temperature 27 DEG C, wet bulb temperature
Spend 19.5 DEG C；Manufactured Total heat exchange movement exchange area about 10m2。
The heat exchange membranes that the present invention is capable of washing, thickness is 10～100 μm, including supporting layer and compound
Functional layer in described support layer surface；Wherein the thickness of functional layer is 1～20 μm.
Described functional layer is high molecular polymer and modifying agent chemical crosslinking, graft modification forms；Its
The mass ratio of middle high molecular polymer and modifying agent is 50～99.9:0.1～50；
Described high molecular polymer be polyvinyl alcohol, polyacrylamide, polyethylene glycol, polyaniline,
Shitosan, polypropylene, cellulose acetate, sulfonated polymer, poly-dopamine, poly dimethyl dialkylene
In propyl ammonium chloride, polymethyl acyloxyethyl trimethyl ammonium chloride, polyvinylpyrrolidone etc.
One or more；Described modifying agent be polyphosphate sodium, glutaraldehyde, maleic anhydride, glycerine, the third two
One or more in alcohol；
Described supporting layer is cellulose paper, polyester non-woven fabric or polypropylene non-woven fabric.
It is a further object to provide the preparation method of above-mentioned heat exchange membranes.
The method comprises the following steps:
Step (1), prepare macromolecule polymer solution or melted high molecular polymer；
Step (2), the polymer solution in step (1) is uniformly mixed to get casting solution,
It is cast on support layer, drying and forming-film.
Step (3), the film of step (2) is immersed in modifier solution, Immersion time 0.5～5h,
Obtain the heat exchange membranes capable of washing of modification.
A further object of the present invention is to provide above-mentioned heat exchange membranes in air conditioner heat recovery system heat exchange
Application in movement.
Movement of the present invention, including heat exchange membranes A, cartridge assemblies, upper cover, lower cover and fixing
Bar, overall by the fixing connection of fixing bar.
Described cartridge assemblies is integrative-structure, and with engineering plastics as framework, heat exchange membranes B is as core rod
Once it is molded in injection mold, cartridge assemblies thickness 3～10mm；Cartridge assemblies side is arranged
There is the cross-superimposed placement of connecting hole, cartridge assemblies and heat exchange membranes A, form recuperation of heat movement；Described
Upper cover, recuperation of heat movement and lower cover are connected by connecting hole is fixing by fixing bar, form recuperation of heat movement
Main body, described recuperation of heat movement height overall H is 100mm～1000mm.
Described heat exchange membranes movement capable of washing is shaped as quadrangle, six prismatics.
Embodiment 1
(1) being dissolved in 90g deionized water by 10g polyvinyl alcohol (PVA), 90 DEG C add thermal agitation extremely
Transparent uniform solution.
(2) by the PVA aqueous solution in step (1) and 12.5g poly dimethyl dialkylene propyl group chlorination
Ammonium (PDDA) aqueous solution (20wt%), 12.5g sulfonated polyether-ether-ketone (SPEEK) aqueous solution (20wt%)
Mix at 27 DEG C, stir into transparent and homogeneous solution.
(3) mixed solution in step (2) is cast on polyester non-woven fabric, natural drying film forming,
Obtain PVA/PDDA/SPEEK blend film.
(4) blend film in step (3) is dipped in the glutaraldehyde water solution of 10%, and adds few
Amount sulfuric acid, takes out after cross-linking 1h under room temperature, prepares crosslinking with being dried after deionized water rinsing
PVA/PDDA/SPEEK ion Total heat exchange film.This heat exchange membranes, thickness is 10～100 μm, bag
Include supporting layer and to be compounded in the thickness of described support layer surface be 1～20 μm functional layers；Functional layer is
High molecular polymer and modifying agent chemical crosslinking, graft modification form；Wherein high molecular polymer and changing
The mass ratio of property agent is 50～99.9:0.1～50.
This Total heat exchange film is made Total heat exchange movement.After testing, the full heat that prepared by the present embodiment is handed over
Changing film, carbon dioxide transit dose is 1.6*102cm3/m2·day·0.1·MPa；Make complete
Heat exchange membranes movement, is 200m at new wind and air draft air quantity3Under/h, temperature exchange efficiency is
63.3%, enthalpy exchange efficiency 75.6%.Heat exchange movement is dipped in water cleaning after, the performance of movement without
Change.
Embodiment 2
1) 6g cellulose acetate (CA) is dissolved in 94g acetic acid, 50 DEG C add thermal agitation to the most transparent all
One solution.
(2) by the CA acetum in step (1) and 15g polymethyl acyloxyethyl front three
Mix at ammonium chloride (PTMAC) aqueous solution (20wt%) 27 DEG C, stir into transparent and homogeneous solution.
(3) being cast on polypropylene non-woven fabric by the mixed solution in step (2), natural drying becomes
Film, obtains CA/PTMAC blend film.
(4) blend film in step (3) is dipped in the maleic anhydride aqueous solution of 10%, and adds
A small amount of sulfuric acid, takes out after cross-linking 1.5h under room temperature, prepares crosslinking with being dried after deionized water rinsing
CA/PTMAC ion Total heat exchange film.This heat exchange membranes, thickness is 10～100 μm, including supporting layer,
And the thickness being compounded in described support layer surface is 1～20 μm functional layers；Functional layer is high molecular polymerization
Thing and modifying agent chemical crosslinking, graft modification form；Wherein high molecular polymer and the quality of modifying agent
Ratio is 50～99.9:0.1～50.
This Total heat exchange film is made Total heat exchange movement.After testing, the full heat that prepared by the present embodiment is handed over
Changing film, carbon dioxide transit dose is 1.6*102cm3/m2·day·0.1·MPa；Make complete
Heat exchange membranes movement, is 200m at new wind and air draft air quantity3Under/h, temperature exchange efficiency is
63.3%, enthalpy exchange efficiency 75.6%.Heat exchange movement is dipped in water cleaning after, the performance of movement without
Change.
Embodiment 3
(1) being dissolved in 90g water by 10g polyacrylamide (PAM), 30 DEG C add thermal agitation to transparent
Uniform solution.
(2) being cast on cellulosic nonwoven fabric by the PAM solution in step (1), natural drying becomes
Film, obtains PAM homogeneous membrane.
(3) the PAM homogeneous membrane in step (2) is dipped in polyphosphate sodium (SPP) aqueous solution of 5%
In, take out after cross-linking 0.5h under room temperature, with being dried the PAM/SPP preparing crosslinking after deionized water rinsing
Ion Total heat exchange film.This heat exchange membranes, thickness is 10～100 μm, including supporting layer and compound
Thickness in described support layer surface is 1～20 μm functional layers；Functional layer is high molecular polymer and changes
Property agent chemical crosslinking, graft modification form；Wherein the mass ratio of high molecular polymer and modifying agent is
50～99.9:0.1～50.
This Total heat exchange film is made Total heat exchange movement.After testing, the full heat that prepared by the present embodiment is handed over
Changing film, carbon dioxide transit dose is 1.8*102cm3/m2·day·0.1·MPa；Make complete
Heat exchange membranes movement, is 200m at new wind and air draft air quantity3Under/h, temperature exchange efficiency is
59.5%, enthalpy exchange efficiency 70.2%.Heat exchange movement is dipped in water cleaning after, the performance of movement without
Change.
Embodiment 4
(1) being dissolved in 98g acetic acid by 2g shitosan (CS), 30 DEG C add thermal agitation to transparent homogeneous
Solution.
(2) being cast on polypropylene non-woven fabric by the CS solution in step (1), natural drying becomes
Film, obtains CS homogeneous membrane.
(3) the CS homogeneous membrane in step (2) is dipped in polyphosphate sodium (SPP) aqueous solution of 10%
In, take out after cross-linking 1h under room temperature, with being dried the CS/SPP preparing crosslinking after deionized water rinsing
Ion Total heat exchange film.This heat exchange membranes, thickness is 10～100 μm, including supporting layer and compound
Thickness in described support layer surface is 1～20 μm functional layers；Functional layer is high molecular polymer and changes
Property agent chemical crosslinking, graft modification form；Wherein the mass ratio of high molecular polymer and modifying agent is
50～99.9:0.1～50.
This Total heat exchange film is made Total heat exchange movement.After testing, the full heat that prepared by the present embodiment is handed over
Changing film, carbon dioxide transit dose is 2.0*102cm3/m2·day·0.1·MPa；Make complete
Heat exchange membranes movement, is 200m at new wind and air draft air quantity3Under/h, temperature exchange efficiency is
60.1%, enthalpy exchange efficiency 72.1%.Heat exchange movement is dipped in water cleaning after, the performance of movement without
Change.
Embodiment 5
(1) 5g polyaniline (PAN), 5g polyethylene glycol (PEG) are dissolved in 90g water, 30 DEG C
Heating, ultrasonic to transparent homogeneous, obtain PAN/PEG mixed solution.
(2) the PAN/PEG mixed solution in step (1) is cast on polyester non-woven fabric, natural
Drying and forming-film, obtains PAN/PEG hybrid films.
(3) the PAN/PEG hybrid films in step (2) is dipped in the polyphosphate sodium (SPP) of 2.5%
In the aqueous solution, take out after cross-linking 2h under room temperature, prepare crosslinking with being dried after deionized water rinsing
PAN/PEG/SPP ion Total heat exchange film.This heat exchange membranes, thickness is 10～100 μm, including propping up
Support layer and the thickness being compounded in described support layer surface are 1～20 μm functional layers；Functional layer is high score
Sub-polymer and modifying agent chemical crosslinking, graft modification form；Wherein high molecular polymer and modifying agent
Mass ratio be 50～99.9:0.1～50.
This Total heat exchange film is made Total heat exchange movement.After testing, the full heat that prepared by the present embodiment is handed over
Changing film, carbon dioxide transit dose is 2.1*102cm3/m2·day·0.1·MPa；Make complete
Heat exchange membranes movement, is 200m at new wind and air draft air quantity3Under/h, temperature exchange efficiency is
65.8%, enthalpy exchange efficiency 74.1%.Heat exchange movement is dipped in water cleaning after, the performance of movement without
Change.
Embodiment 6
(1) after 90g polypropylene (PP), 10g polyvinylpyrrolidone (PVPP) 140 DEG C being melted
Extrusion, casting film-forming, prepare PP/PVPP blend film.
(2) the PP/PVPP hybrid films in step (1) is dipped in room temperature in the glycerine of 10% and places 5h,
It is dried and prepares MODIFIED PP/PVPP Total heat exchange film.This heat exchange membranes, thickness is 10～100 μm, bag
Include supporting layer and to be compounded in the thickness of described support layer surface be 1～20 μm functional layers；Functional layer is
High molecular polymer and modifying agent chemical crosslinking, graft modification form；Wherein high molecular polymer and changing
The mass ratio of property agent is 50～99.9:0.1～50.
This Total heat exchange film is made Total heat exchange movement.After testing, the full heat that prepared by the present embodiment is handed over
Changing film, carbon dioxide transit dose is 1.4*103cm3/m2·day·0.1·MPa；Make complete
Heat exchange membranes movement, is 200m at new wind and air draft air quantity3Under/h, temperature exchange efficiency is
65.4%, enthalpy exchange efficiency 72.3%.Heat exchange movement is dipped in glycerine clean after, the performance of movement without
Change.
Embodiment 7
(1) polyvinyl alcohol (PVA) 90g, 10g polyvinylpyrrolidone (PVPP) 140 DEG C is melted
Extrude after melting, casting film-forming, prepare PVA/PVPP blend film.
(2) the PVA/PVPP hybrid films in step (1) is dipped in room temperature in propane diols and places 5h,
It is dried and prepares modified PVA/PVPP Total heat exchange film.This heat exchange membranes, thickness is 10～100 μm, bag
Include supporting layer and to be compounded in the thickness of described support layer surface be 1～20 μm functional layers；Functional layer is
High molecular polymer and modifying agent chemical crosslinking, graft modification form；Wherein high molecular polymer and changing
The mass ratio of property agent is 50～99.9:0.1～50.
This Total heat exchange film is made Total heat exchange movement.After testing, the full heat that prepared by the present embodiment is handed over
Changing film, carbon dioxide transit dose is 8.4*102cm3/m2·day·0.1·MPa；Make complete
Heat exchange membranes movement, is 200m at new wind and air draft air quantity3Under/h, temperature exchange efficiency is
66.5%, enthalpy exchange efficiency 73.0%.After heat exchange movement is dipped in propane diols cleaning, the property of movement
Can be unchanged.
Embodiment 8
Polyacrylamide in embodiment 3 is replaced by polyethylene glycol, other experiment conditions and embodiment 3
Identical, prepare Total heat exchange film.
Embodiment 9
Polyacrylamide in embodiment 3 is replaced by polyaniline, other experiment conditions and embodiment 3 phase
With, prepare Total heat exchange film.
Embodiment 10
Polyacrylamide in embodiment 3 is replaced by polypropylene, other experiment conditions and embodiment 3 phase
With, prepare Total heat exchange film.
Embodiment 11
Polyacrylamide in embodiment 3 is replaced by cellulose acetate, other experiment conditions and embodiment
3 is identical, prepares Total heat exchange film.
Embodiment 12
Polyacrylamide in embodiment 3 is replaced by sulfonated polyether-ether-ketone, other experiment conditions and enforcement
Example 3 is identical, prepares Total heat exchange film.
Embodiment 13
Polyacrylamide in embodiment 3 is replaced by poly-dopamine, other experiment conditions and embodiment 3
Identical, prepare Total heat exchange film.
Embodiment 14
Polyacrylamide in embodiment 3 is replaced by poly dimethyl dialkylene propyl ammonium chloride, and other are real
Test condition same as in Example 3, prepare Total heat exchange film.
Embodiment 15
Polyacrylamide in embodiment 3 is replaced by polymethyl acyloxyethyl trimethyl ammonium chloride,
Other experiment conditions are same as in Example 3, prepare Total heat exchange film.
Embodiment 16
Polyacrylamide in embodiment 3 is replaced by polyvinylpyrrolidone, and polyphosphate sodium is replaced by third
Glycol, other experiment conditions are same as in Example 3, prepare Total heat exchange film.Above-described embodiment is also
Non-is the restriction for the present invention, and the present invention is not limited only to above-described embodiment, as long as meeting the present invention
Requirement, belongs to protection scope of the present invention.
Claims (10)
1. a heat exchange membranes capable of washing, thickness is 10～100 μm, it is characterised in that include supporting layer,
And it is compounded in the functional layer of described support layer surface；Described functional layer is high molecular polymer and modifying agent
Chemical crosslinking, graft modification form；Wherein said high molecular polymer is polyvinyl alcohol, polyacrylamide
Amine, polyethylene glycol, polyaniline, shitosan, polypropylene, cellulose acetate, sulfonated polymer, poly-many
Bar amine, poly dimethyl dialkylene propyl ammonium chloride, polymethyl acyloxyethyl trimethyl ammonium chloride, poly-
One or more in vinylpyrrolidone etc..
A kind of heat exchange membranes capable of washing the most as claimed in claim 1, it is characterised in that the thickness of functional layer
Degree is 1～20 μm.
A kind of heat exchange membranes capable of washing the most as claimed in claim 1, it is characterised in that high molecular polymerization
The mass ratio of thing and modifying agent is 50～99.9:0.1～50.
4. the preparation method of a heat exchange membranes capable of washing, it is characterised in that the method comprises the following steps:
Step (1), prepare macromolecule polymer solution or melted high molecular polymer；
Described high molecular polymer is polyvinyl alcohol, polyacrylamide, polyethylene glycol, polyaniline, shell
Glycan, polypropylene, cellulose acetate, sulfonated polymer, poly-dopamine, poly dimethyl dialkylene propyl group
One in ammonium chloride, polymethyl acyloxyethyl trimethyl ammonium chloride, polyvinylpyrrolidone etc. or
Multiple；
Step (2), the polymer solution in step (1) is uniformly mixed to get casting solution, at supporting layer
Upper curtain coating, drying and forming-film；
Step (3), the film of step (2) is immersed in modifier solution, Immersion time 0.5～5h,
Obtain the heat exchange membranes capable of washing of modification.
A kind of heat exchange membranes capable of washing the most as claimed in claim 1 or make as claimed in claim 4
Preparation Method, it is characterised in that described modifying agent be polyphosphate sodium, glutaraldehyde, maleic anhydride, glycerine,
One or more in propane diols.
A kind of heat exchange membranes capable of washing the most as claimed in claim 1 or make as claimed in claim 4
Preparation Method, it is characterised in that described supporting layer is cellulose paper, polyester non-woven fabric or polypropylene non-woven fabric.
A kind of heat exchange membranes capable of washing the most as claimed in claim 1 is in air conditioner heat recovery system heat exchange
Application in movement.
Apply the most as claimed in claim 7, it is characterised in that described movement include upper cover, lower cover,
Fixing bar and some heat exchange units, wherein heat exchange unit include that superposition places such as claim 1 institute
The heat exchange membranes stated, cartridge assemblies；Adjacent heat crosspoint is heat exchange membranes, cartridge assemblies contact；
Described cartridge assemblies is moulded in framework by heat exchange membranes as claimed in claim 1 and constitutes.
Apply the most as claimed in claim 8, it is characterised in that cartridge assemblies thickness 2～10mm；Heat is returned
Receiving movement height overall H is 100mm～1000mm.
Apply the most as claimed in claim 8, it is characterised in that movement is shaped as quadrangle, six prismatics.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610480994.0A CN105921036A (en) | 2016-06-23 | 2016-06-23 | Washable heat exchange membrane, core with washable heat exchange membrane and preparation method for washable heat exchange membrane |
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| CN201610480994.0A CN105921036A (en) | 2016-06-23 | 2016-06-23 | Washable heat exchange membrane, core with washable heat exchange membrane and preparation method for washable heat exchange membrane |
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| CN105921036A true CN105921036A (en) | 2016-09-07 |
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| CN201610480994.0A Pending CN105921036A (en) | 2016-06-23 | 2016-06-23 | Washable heat exchange membrane, core with washable heat exchange membrane and preparation method for washable heat exchange membrane |
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| CN (1) | CN105921036A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106215713A (en) * | 2016-09-20 | 2016-12-14 | 宁波艾风环境科技有限公司 | A kind of heat exchange membranes movement that can be recycled and preparation technology thereof |
| JPWO2019097885A1 (en) * | 2017-11-16 | 2019-11-14 | 三菱電機株式会社 | Total heat exchange element and total heat exchanger |
| CN113276384A (en) * | 2021-04-28 | 2021-08-20 | 河北金力新能源科技股份有限公司 | Fresh air exchange membrane and preparation method and application thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62105629A (en) * | 1985-11-01 | 1987-05-16 | スカイアルミニウム株式会社 | Heat-exchanger fin material |
| CN103879034A (en) * | 2013-01-30 | 2014-06-25 | 中国科学院宁波材料技术与工程研究所 | High airtight total heat exchange membrane and total heat exchanger |
| CN203949345U (en) * | 2014-03-29 | 2014-11-19 | 宁波东大空调设备有限公司 | The reverse heat transfer movement of six prismatics and new blower for heat recycling thereof |
-
2016
- 2016-06-23 CN CN201610480994.0A patent/CN105921036A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62105629A (en) * | 1985-11-01 | 1987-05-16 | スカイアルミニウム株式会社 | Heat-exchanger fin material |
| CN103879034A (en) * | 2013-01-30 | 2014-06-25 | 中国科学院宁波材料技术与工程研究所 | High airtight total heat exchange membrane and total heat exchanger |
| CN203949345U (en) * | 2014-03-29 | 2014-11-19 | 宁波东大空调设备有限公司 | The reverse heat transfer movement of six prismatics and new blower for heat recycling thereof |
Non-Patent Citations (2)
| Title |
|---|
| 张炎等: "基于亲水/憎水复合膜的全热交换器换热换湿性能", 《化工学报》 * |
| 王艺伟等: "可用于全热交换器的透湿阻气膜的研究进展", 《膜科学与技术》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106215713A (en) * | 2016-09-20 | 2016-12-14 | 宁波艾风环境科技有限公司 | A kind of heat exchange membranes movement that can be recycled and preparation technology thereof |
| JPWO2019097885A1 (en) * | 2017-11-16 | 2019-11-14 | 三菱電機株式会社 | Total heat exchange element and total heat exchanger |
| CN113276384A (en) * | 2021-04-28 | 2021-08-20 | 河北金力新能源科技股份有限公司 | Fresh air exchange membrane and preparation method and application thereof |
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Application publication date: 20160907 |