CN105330294A - Filtering membrane used for automobile air conditioner and preparation method of filtering membrane - Google Patents
Filtering membrane used for automobile air conditioner and preparation method of filtering membrane Download PDFInfo
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Abstract
The invention discloses a filtering membrane used for an automobile air conditioner and a preparation method of the filtering membrane. The preparation method includes the step of evenly mixing silicon carbide, carboxymethylcellulose, ceramic adhesives, activated carbon, kaolin and ethyl alcohol to obtain a mixed material M, conducting dry pressing forming on the mixed material M, obtaining a supporting blanket N after sintering is conducted, mixing aluminum silicate fiber, mullite fiber and ethanediol to form slurry A, smearing the outer surface of the supporting blanket N with the slurry A, and obtaining the filtering membrane after baking is conducted. The problems that because current filtering membranes are poor in mechanical performance and chemical stability and prone to deformation under high-temperature environments, hole-shaped structures in the filtering membranes collapse and are prone to blockage, and the heating or refrigerating effect of the air conditioner is influenced are solved.
Description
Technical field
The present invention relates to automobile air conditioner accessories, particularly, relate to a kind of filtering membrane used for automobile air conditioning and preparation method thereof.
Background technology
Automative air conditioning does not use for a long time, and the wind pipe of its inside can gather a large amount of dusts, generally can arrange filtering membrane in wind pipe, filter air-out.Current filtering membrane mechanical property and chemical stability poor, yielding under hot environment, the cavernous structure of filtering membrane inside is caved in, easily causes the blocking of filtering membrane cavernous structure, affect heating or refrigeration of air-conditioning.
Summary of the invention
The invention provides a kind of filtering membrane used for automobile air conditioning and preparation method thereof, solve current filtering membrane mechanical property and chemical stability poor, yielding under hot environment, the cavernous structure of filtering membrane inside is caved in, easily cause the blocking of filtering membrane cavernous structure, affect heating or the problem of refrigeration of air-conditioning.
To achieve these goals, the invention provides a kind of preparation method of filtering membrane used for automobile air conditioning, wherein, described preparation method comprises:
(1) silicon carbide, carboxymethyl cellulose, ceramic bonding agent, gac, kaolin and ethanol are mixed, obtain compound M;
(2) by dry-pressing formed for described compound M, be supported after sintering base substrate N;
(3) aluminum silicate fiber, mullite fiber and ethylene glycol are mixed to form slurry A, described support blank N outside surface is smeared described slurry A, after baking, obtain described filtering membrane, wherein,
Relative to the silicon carbide of 100 weight parts, the consumption of carboxymethyl cellulose is 20-40 weight part, the consumption of ceramic bonding agent is 10-18 weight part, the consumption of gac is 2-10 weight part, kaolinic consumption is 10-25 weight part, and the consumption of ethanol is 10-25 weight part, and the consumption of aluminum silicate fiber is 20-40 weight part, the consumption of mullite fiber is 30-50 weight part, and the consumption of ethylene glycol is 100-120 weight part.
Present invention also offers a kind of filtering membrane used for automobile air conditioning, described filtering membrane is obtained by above-mentioned preparation method.
According to technique scheme, silicon carbide, carboxymethyl cellulose, ceramic bonding agent, gac, kaolin and ethanol mix by the present invention, obtain compound M; By dry-pressing formed for compound M, be supported after sintering base substrate N; Aluminum silicate fiber, mullite fiber and ethylene glycol are mixed to form slurry A, support blank N outside surface is smeared slurry A, after baking, obtain filtering membrane.By the synergy between each raw material, make the filtering membrane prepared have excellent mechanical property and chemical stability, the method for the preparation of this filtering membrane provided by the invention is simple simultaneously, and raw material is easy to get.
Other features and advantages of the present invention are described in detail in embodiment part subsequently.
Embodiment
Below the specific embodiment of the present invention is described in detail.Should be understood that, embodiment described herein, only for instruction and explanation of the present invention, is not limited to the present invention.
The invention provides a kind of preparation method of filtering membrane used for automobile air conditioning, wherein, described preparation method comprises: silicon carbide, carboxymethyl cellulose, ceramic bonding agent, gac, kaolin and ethanol mix, and obtain compound M, by dry-pressing formed for compound M, be supported after sintering base substrate N, by aluminum silicate fiber, mullite fiber and ethylene glycol are mixed to form slurry A, support blank N outside surface is smeared slurry A, after baking, obtain filtering membrane, wherein, relative to the silicon carbide of 100 weight parts, the consumption of carboxymethyl cellulose is 20-40 weight part, the consumption of ceramic bonding agent is 10-18 weight part, the consumption of gac is 2-10 weight part, kaolinic consumption is 10-25 weight part, the consumption of ethanol is 10-25 weight part, the consumption of aluminum silicate fiber is 20-40 weight part, the consumption of mullite fiber is 30-50 weight part, the consumption of ethylene glycol is 100-120 weight part.By the synergy between each raw material, make the filtering membrane prepared have excellent mechanical property and chemical stability, the method for the preparation of this filtering membrane provided by the invention is simple simultaneously, and raw material is easy to get.
More excellent mechanical property and chemical stability is possessed in order to make the filtering membrane obtained, one of the present invention preferred embodiment in, relative to the silicon carbide of 100 weight parts, the consumption of carboxymethyl cellulose is 25-35 weight part, the consumption of ceramic bonding agent is 13-15 weight part, the consumption of gac is 4-8 weight part, kaolinic consumption is 15-20 weight part, the consumption of ethanol is 15-20 weight part, the consumption of aluminum silicate fiber is 25-35 weight part, the consumption of mullite fiber is 35-45 weight part, and the consumption of ethylene glycol is 105-115 weight part.
Can closely bond between making originally, ceramic bonding agent comprises kaolin, silica powder, epoxy resin and ethanol, and the mass ratio of kaolin, silica powder, epoxy resin and ethanol is 1:1.4-1.7:2-2.5:1-1.5.
In order to make aluminium silicate fiber peacekeeping mullite fiber better be dissolved in ethylene glycol solution, the length of aluminum silicate fiber is 1-10mm, and the length of mullite fiber is 1-10mm.
In order to make the filtering membrane obtained possess more excellent mechanical property and chemical stability, the temperature of sintering is 200-350 DEG C, and the time is 20-40min, and the temperature of baking is 50-75 DEG C, and the time is 10-15min.
Below will be described in detail by embodiment.
Embodiment 1
100g silicon carbide, 25g carboxymethyl cellulose, 13g ceramic bonding agent, 4g gac, 15g kaolin and 15g ethanol are mixed, obtains compound M; By dry-pressing formed for compound M, be supported sinter 20min at 200 DEG C after base substrate N; 25g aluminum silicate fiber, 35g mullite fiber and 105g ethylene glycol are mixed to form slurry A, support blank N outside surface is smeared slurry A, toast 10min at 50 DEG C after, obtain filtering membrane A1, wherein, ceramic bonding agent comprises kaolin, silica powder, epoxy resin and ethanol, and the mass ratio of kaolin, silica powder, epoxy resin and ethanol is 1:1.4:2:1, the length of aluminum silicate fiber is 1mm, and the length of mullite fiber is 1mm.
Embodiment 2
100g silicon carbide, 35g carboxymethyl cellulose, 15g ceramic bonding agent, 8g gac, 20g kaolin and 20g ethanol are mixed, obtains compound M; By dry-pressing formed for compound M, be supported sinter 40min at 350 DEG C after base substrate N; 35g aluminum silicate fiber, 45g mullite fiber and 115g ethylene glycol are mixed to form slurry A, support blank N outside surface is smeared slurry A, toast 15min at 75 DEG C after, obtain filtering membrane A2, wherein, ceramic bonding agent comprises kaolin, silica powder, epoxy resin and ethanol, and the mass ratio of kaolin, silica powder, epoxy resin and ethanol is 1:1.7:2.5:1.5, the length of aluminum silicate fiber is 10mm, and the length of mullite fiber is 10mm.
Embodiment 3
100g silicon carbide, 30g carboxymethyl cellulose, 14g ceramic bonding agent, 6g gac, 17g kaolin and 17g ethanol are mixed, obtains compound M; By dry-pressing formed for compound M, be supported sinter 30min at 280 DEG C after base substrate N; 30g aluminum silicate fiber, 40g mullite fiber and 110g ethylene glycol are mixed to form slurry A, support blank N outside surface is smeared slurry A, toast 12min at 60 DEG C after, obtain filtering membrane A3, wherein, ceramic bonding agent comprises kaolin, silica powder, epoxy resin and ethanol, and the mass ratio of kaolin, silica powder, epoxy resin and ethanol is 1:1.5:2.2:1.3, the length of aluminum silicate fiber is 5mm, and the length of mullite fiber is 5mm.
Embodiment 4
Prepare according to the method for embodiment 1, unlike, the consumption of silicon carbide is 100g, and the consumption of carboxymethyl cellulose is 20g, the consumption of ceramic bonding agent is 10g, the consumption of gac is 2g, and kaolinic consumption is 10g, and the consumption of ethanol is 10g, the consumption of aluminum silicate fiber is 20g, the consumption of mullite fiber is 30g, and the consumption of ethylene glycol is 100g, obtained filtering membrane A4.
Embodiment 5
According to the method preparation described in embodiment 3, unlike, the consumption of silicon carbide is 100g, and the consumption of carboxymethyl cellulose is 40g, the consumption of ceramic bonding agent is 18g, the consumption of gac is 10g, and kaolinic consumption is 25g, and the consumption of ethanol is 25g, the consumption of aluminum silicate fiber is 40g, the consumption of mullite fiber is 50g, and the consumption of ethylene glycol is 120g, obtained filtering membrane A5.
Comparative example 1
Prepare according to the method for embodiment 1, unlike, the consumption of silicon carbide is 100g, and the consumption of carboxymethyl cellulose is 10g, the consumption of ceramic bonding agent is 5g, the consumption of gac is 1g, and kaolinic consumption is 5g, and the consumption of ethanol is 5g, the consumption of aluminum silicate fiber is 10g, the consumption of mullite fiber is 20g, and the consumption of ethylene glycol is 80g, obtained filtering membrane D1.
Comparative example 2
Prepare according to the method for embodiment 3, unlike, the consumption of silicon carbide is 100g, and the consumption of carboxymethyl cellulose is 50g, the consumption of ceramic bonding agent is 25g, the consumption of gac is 20g, and kaolinic consumption is 30g, and the consumption of ethanol is 30g, the consumption of aluminum silicate fiber is 50g, the consumption of mullite fiber is 60g, and the consumption of ethylene glycol is 130g, obtained filtering membrane D2.
Table 1
| Numbering | Tensile strength (MPa) | The highest tolerable temperature (DEG C) |
| A1 | 68 | 160 |
| A2 | 67 | 167 |
| A3 | 67 | 162 |
| A4 | 65 | 141 |
| A5 | 60 | 150 |
| D1 | 45 | 120 |
| D2 | 46 | 122 |
Can be found out by table 1, the tensile strength of filtering membrane A1-A5 obtained is within the scope of the present invention higher than filtering membrane D1 and D2 obtained in the scope of the invention outward, and the highest tolerable temperature of A1-A5 is higher than D1 and D2, illustrate that mechanical property and the chemical stability of A1-A5 are better than D1 and D2, filtering membrane A1-A3 various aspects of performance obtained in the preferred scope of the present invention is better than A3 and A4, therefore can realize the excellent mechanical property of filtering membrane and chemical stability.
More than describe the preferred embodiment of the present invention in detail; but the present invention is not limited to the detail in above-mentioned embodiment, within the scope of technical conceive of the present invention; can carry out multiple simple variant to technical scheme of the present invention, these simple variant all belong to protection scope of the present invention.
It should be noted that in addition, each concrete technical characteristic described in above-mentioned embodiment, in reconcilable situation, can be combined by any suitable mode, in order to avoid unnecessary repetition, the present invention illustrates no longer separately to various possible array mode.
In addition, also can carry out arbitrary combination between various different embodiment of the present invention, as long as it is without prejudice to thought of the present invention, it should be considered as content disclosed in this invention equally.
Claims (8)
1. a preparation method for filtering membrane used for automobile air conditioning, is characterized in that, described preparation method comprises:
(1) silicon carbide, carboxymethyl cellulose, ceramic bonding agent, gac, kaolin and ethanol are mixed, obtain compound M;
(2) by dry-pressing formed for described compound M, be supported after sintering base substrate N;
(3) aluminum silicate fiber, mullite fiber and ethylene glycol are mixed to form slurry A, described support blank N outside surface is smeared described slurry A, after baking, obtain described filtering membrane, wherein,
Relative to the silicon carbide of 100 weight parts, the consumption of described carboxymethyl cellulose is 20-40 weight part, the consumption of described ceramic bonding agent is 10-18 weight part, the consumption of described gac is 2-10 weight part, described kaolinic consumption is 10-25 weight part, and the consumption of described ethanol is 10-25 weight part, and the consumption of described aluminum silicate fiber is 20-40 weight part, the consumption of described mullite fiber is 30-50 weight part, and the consumption of described ethylene glycol is 100-120 weight part.
2. preparation method according to claim 1, wherein, relative to the silicon carbide of 100 weight parts, the consumption of described carboxymethyl cellulose is 25-35 weight part, the consumption of described ceramic bonding agent is 13-15 weight part, the consumption of described gac is 4-8 weight part, described kaolinic consumption is 15-20 weight part, the consumption of described ethanol is 15-20 weight part, the consumption of described aluminum silicate fiber is 25-35 weight part, the consumption of described mullite fiber is 35-45 weight part, and the consumption of described ethylene glycol is 105-115 weight part.
3. preparation method according to claim 1 and 2, wherein, described ceramic bonding agent comprises kaolin, silica powder, epoxy resin and ethanol.
4. preparation technology according to claim 3, wherein, the mass ratio of described kaolin, silica powder, epoxy resin and ethanol is 1:1.4-1.7:2-2.5:1-1.5.
5. preparation technology according to claim 1, wherein, the length of described aluminum silicate fiber is 1-10mm, and the length of described mullite fiber is 1-10mm.
6. preparation technology according to claim 1, wherein, the temperature of described sintering is 200-350 DEG C, and the time is 20-40min.
7. preparation technology according to claim 1, wherein, the temperature of described baking is 50-75 DEG C, and the time is 10-15min.
8. a filtering membrane used for automobile air conditioning, is characterized in that, described filtering membrane is obtained by the preparation method in claim 1-7 described in any one.
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Cited By (5)
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| CN106145414A (en) * | 2016-06-28 | 2016-11-23 | 董超超 | A kind of filtration treatment device for processing greasy dirt |
| CN106145264A (en) * | 2016-06-28 | 2016-11-23 | 董超超 | A kind of water processes composite filtering film |
| CN106390772A (en) * | 2016-09-20 | 2017-02-15 | 芜湖成德龙过滤设备有限公司 | Ceramic filter membrane and preparation method thereof |
| CN106422813A (en) * | 2016-09-20 | 2017-02-22 | 芜湖成德龙过滤设备有限公司 | Ceramic filter membrane and preparation method thereof |
| CN108395252A (en) * | 2018-01-26 | 2018-08-14 | 山东理工大学 | Liquid-phase sintering multichannel silicon carbide ceramic support body and preparation method thereof |
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| CN106145264A (en) * | 2016-06-28 | 2016-11-23 | 董超超 | A kind of water processes composite filtering film |
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Effective date of registration: 20191218 Address after: No.322, building 4, Zone 8, hengtaiyun shopping mall, Nanxiang, Yongqiao District, Suzhou City, Anhui Province Patentee after: Suzhou Ziyuan Science and Technology Consulting Co., Ltd. Address before: 241000 Anhui Province, Wuhu City Development Zone fly Jiujiang Road No. 82 Patentee before: WUHU YUXIN SHITONG AUTOMOTIVE AIR CONDITIONING CO., LTD. |
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Effective date of registration: 20201109 Address after: 226600 No. 1, Northwest Road, Dagong Town, Haian County, Nantong City, Jiangsu Province Patentee after: Jiangsu Mingpeng Equipment Co.,Ltd. Address before: No.322, building 4, Zone 8, hengtaiyun shopping mall, Nanxiang, Yongqiao District, Suzhou City, Anhui Province Patentee before: Suzhou Ziyuan Science and Technology Consulting Co.,Ltd. |
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