CN106669319A - Filter for air purification - Google Patents
Filter for air purification Download PDFInfo
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- CN106669319A CN106669319A CN201510757770.5A CN201510757770A CN106669319A CN 106669319 A CN106669319 A CN 106669319A CN 201510757770 A CN201510757770 A CN 201510757770A CN 106669319 A CN106669319 A CN 106669319A
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- hollow fiber
- fiber membrane
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- water
- purification
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Abstract
The invention discloses a filter element for air purification. The filter element for air purification is made of an oil-repellent and water-repellent polytetrafluoroethylene hollow fiber membrane bundling assembly, the contact angle between membrane fiber of the filter element and a test water drop is 130 degrees or above, and the contact angle between the membrane fiber of the filter element and a test oil drop is 150 degrees or above; in other words, the of the filter element is made of a ultra-water-resistant and ultra-oil-resistant material identified by the engineering field having strong anti-dust and anti-fume performance, and has strong dust holding capacity. The membrane fiber can be made by the following three methods: adding a fluorine-containing surfactant to raw materials of the membrane fiber for modification; performing afterfinishing of the membrane fiber; performing afterfinishing of a membrane assembly. The filter element for air purification is a novel air purifying filter capable of working permanently in harsh environments.
Description
Technical field：A kind of filter for purification of air
Background technology：Mainly there are filter felt made by glass fiber material, non-woven fabrics, cloth and with HEPA, pocket type, tubular type filter core made by this material currently used for the filter core of purification of air；Flat Membrane, hollow-fibre membrane that plastics compacting, stretching are formed；Electret make filtering material and made by various felts, cloth and hole pattern.These materials have respective advantage, but a common defect is that dust containing capacity is generally low, resist ultraviolet, ozone, soda acid ability it is poor, it is impossible to adapt to harsher environmental pollution.
Why traditional filter refuses dirt ability including hollow-fibre membrane without enough appearance dirt, and its reason is that material itself lacks and enough refuses oil, water repellent, anti-contamination ability.In this regard, the scheme of filter is made in 201420625143.7 patent propositions of Guo Shaohua applications with polytetrafluoroethylhollow hollow fiber membrane as filter material.Due to the speciality of polytetrafluoroethylmaterial material itself so that this filter has preferable performance and higher dust containing capacity.But further experiment is proved, polytetrafluoroethylhollow hollow fiber membrane has the different type such as what hydrophobic type, hydrophilic, oleophobic type, lipophilic and these property permutation and combination were formed, the polytetrafluoroethylhollow hollow fiber membrane type of not all type is all natural to refuse dirt performance with excellent appearance dirt, it is suitable for being used as the filter of purification of air, the polytetrafluoroethylhollow hollow fiber membrane of suitable type must be selected could obtain available effects, otherwise, just without any advantage, it is even substantially invalid, or very short time, little dust oil smoke will block.Through lot of experiments, the applicant have found optimal scheme.
Present disclosure：The technical problem to be solved is：Determining from a series of kinds and moral character option of polytetrafluoroethylhollow hollow fiber membrane can be used as the combining properties of the polytetrafluoroethylhollow hollow fiber membrane of air purifying filter and its particular type；It is determined that the hydrophobic particular technique index of the polytetrafluoroethylhollow hollow fiber membrane that can be used for purification of air filter material；It is determined that can be used for the particular technique index of the polytetrafluoroethylhollow hollow fiber membrane oleophobic property of purification of air filter material；Determine that water and oil repellent polytetrafluoroethylhollow hollow fiber membrane makes the concrete form of membrane module；Determine that water and oil repellent polytetrafluoroethylhollow hollow fiber membrane makes three kinds of operation modes made by membrane module.
The present invention solves the technical scheme of its technical problem employingCalculated and result of the test determination according to a large amount of：A kind of filter for purification of air, its feature is being：Made with the poly- type tetrafluoroethene hollow-fibre membrane boundling of water and oil repellent；The water and oil repellent polytetrafluoroethylhollow hollow fiber membrane itself and test water droplet contact angle be more than 130 degree；The water and oil repellent polytetrafluoroethylhollow hollow fiber membrane itself and test oil droplet contact angle be more than 150 degree；It is used for the filter of purification of air made by the use water and oil repellent polytetrafluoroethylhollow hollow fiber membrane boundling membrane module, its form is cylinder, rectangle, rectangle, bar shaped, between 10mm----2000mm, the micropore diameter of film silk is 0.1---5 microns to the length of film silk, a diameter of 1mm----4mm of film silk；It is used for the filter of purification of air made by the use water and oil repellent polytetrafluoroethylhollow hollow fiber membrane boundling, its film silk used is made by way of adding inorganic agent in the raw material before the shaping of film silk；It is used for the filter of purification of air made by the use water and oil repellent polytetrafluoroethylhollow hollow fiber membrane boundling, its film silk used, it is after the shaping of common polytetrafluoroethylhollow hollow fiber membrane film silk, film silk is arranged with fluorine-contained finishing agent, the polytetrafluoroethylhollow hollow fiber membrane silk with water and oil repellent is made, water and oil repellent polytetrafluoroethylhollow hollow fiber membrane boundling membrane module is just processed into afterwards；It is used for the filter of purification of air made by the use water and oil repellent polytetrafluoroethylhollow hollow fiber membrane boundling, its polytetrafluoroethylhollow hollow fiber membrane boundling membrane module used, it is after common polytetrafluoroethylhollow hollow fiber membrane boundling membrane module makes type, with fluorine-contained finishing agent, it carries out overall Final finishing, makes water and oil repellent polytetrafluoroethylhollow hollow fiber membrane collection tread assembly.
Description of the drawingsWhat is be given in accompanying drawing is an example with membrane module made by water and oil repellent polytetrafluoroethylhollow hollow fiber membrane boundling, and the membrane module in example is the cylinder of specification, but not limited to this example, and the shape of membrane module can make rectangle, rectangle, bar shaped.Between 10mm----2000mm, the micropore diameter of film silk is 0.1---5 microns to the length of film silk, a diameter of 1mm----5mm of film silk.
The beneficial effects of the present invention is, only water and oil repellent polytetrafluoroethylhollow hollow fiber membrane can be while filter effect and wind flow be ensured with enough dust capaciting abilities, it could even be possible to accomplishing No clean, free of replacement.As long as lacking oil repellent and water repellency any of which property, the pollutant that polytetrafluoroethylhollow hollow fiber membrane all can not be crossed effectively in air filtering does not have enough appearance dirt, antidusting ability.
Specific embodiment：Forming the method for polytetrafluoroethylhollow hollow fiber membrane water and oil repellant performance has three kinds, one, it is used for the filter of purification of air made by the use water and oil repellent polytetrafluoroethylhollow hollow fiber membrane boundling, its film silk used before shaping, by adding the inorganic agent such as similar fashion such as FS fluorine system surfactants in the feed the polytetrafluoroethylhollow hollow fiber membrane with water and oil repellant ability is made；It two, it is used for the filter of purification of air made by the use water and oil repellent polytetrafluoroethylhollow hollow fiber membrane boundling, its water and oil repellant property is after the shaping of film silk, again by making the polytetrafluoroethylhollow hollow fiber membrane with water and oil repellant ability to the finishing process of film silk with fluorine-contained finishing agent, boundling membrane module is just processed into afterwards；It three, it is used for the filter of purification of air made by the use water and oil repellent polytetrafluoroethylhollow hollow fiber membrane boundling, it is that overall Final finishing is carried out with fluorine-contained finishing agent to it after common polytetrafluoroethylhollow hollow fiber membrane collection tread assembly is made, makes water and oil repellent polytetrafluoroethylhollow hollow fiber membrane collection tread assembly.Water and oil repellent polytetrafluoroethylhollow hollow fiber membrane made by three of the above method and its boundling membrane module, its common technical characteristic is：Its film silk reaches more than 130 degree with the contact angle of test water droplet；Its film silk reaches more than 150 degree with the contact angle of test oil droplet.
Claims (7)
1. a kind of filter for purification of air, it is characterised in that：Made with water and oil repellent polytetrafluoroethylhollow hollow fiber membrane boundling.
2. a kind of filter for purification of air according to claim 1, it is characterised in that：The water and oil repellent polytetrafluoroethylhollow hollow fiber membrane is more than 130 degree with the contact angle of test water droplet.
3. a kind of filter for purification of air according to claim 1, it is characterised in that：The water and oil repellent polytetrafluoroethylhollow hollow fiber membrane is more than 150 degree with the contact angle of test oil droplet.
4. a kind of filter for purification of air according to claim 1, it is characterised in that：It is used for the filter of purification of air made by the use water and oil repellent polytetrafluoroethylhollow hollow fiber membrane boundling, its form is cylindrical, rectangle, rectangle, bar shaped, the length of film silk is between 10mm----2000mm, the micropore diameter of film silk be 0.1---5 microns, a diameter of 1mm----5mm of film silk.
5. a kind of filter for purification of air according to claim 1, it is characterised in that：It is used for the filter of purification of air made by the use water and oil repellent polytetrafluoroethylhollow hollow fiber membrane boundling, its film silk used has water and oil repellant property, is made by way of adding fluorine-containing surfactant in the raw material before the shaping of film silk.
6. a kind of filter for purification of air according to claim 1, it is characterised in that：It is used for the filter of purification of air made by the use water and oil repellent polytetrafluoroethylhollow hollow fiber membrane boundling, its film silk used, it is after the shaping of common polytetrafluoroethylhollow hollow fiber membrane film silk, film silk is arranged with fluorine-contained finishing agent, water and oil repellent polytetrafluoroethylhollow hollow fiber membrane silk is made, water and oil repellent polytetrafluoroethylhollow hollow fiber membrane boundling membrane module is processed into afterwards.
7. a kind of filter for purification of air according to claim 1, it is characterised in that：It is used for the filter of purification of air made by the use water and oil repellent polytetrafluoroethylhollow hollow fiber membrane boundling, its polytetrafluoroethylhollow hollow fiber membrane boundling membrane module used, it is after common polytetrafluoroethylhollow hollow fiber membrane boundling membrane module makes type, overall Final finishing is carried out to it with fluorine-contained finishing agent, water and oil repellent polytetrafluoroethylhollow hollow fiber membrane collection tread assembly is made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510757770.5A CN106669319A (en) | 2015-11-09 | 2015-11-09 | Filter for air purification |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510757770.5A CN106669319A (en) | 2015-11-09 | 2015-11-09 | Filter for air purification |
Publications (1)
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| CN106669319A true CN106669319A (en) | 2017-05-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510757770.5A Pending CN106669319A (en) | 2015-11-09 | 2015-11-09 | Filter for air purification |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107940655A (en) * | 2017-11-04 | 2018-04-20 | 郭绍华 | A kind of purification fresh air using hollow-fibre membrane as main filter material |
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| CN101279524A (en) * | 2008-04-25 | 2008-10-08 | 江苏闳业机械有限公司 | Compound technique of film filtering material and equipment |
| CN101934173A (en) * | 2009-07-02 | 2011-01-05 | 东丽纤维研究所（中国）有限公司 | Filter material and use thereof |
| JP2011074129A (en) * | 2009-09-29 | 2011-04-14 | Neos Co Ltd | Water and oil repellent composition |
| CN102284251A (en) * | 2011-08-01 | 2011-12-21 | 浙江东大环境工程有限公司 | Method for manufacturing polytetrafluoroethylene hollow fibrous membrane |
| KR20130109728A (en) * | 2012-03-28 | 2013-10-08 | 웅진케미칼 주식회사 | Manufacturing method of ptfe hollow fiber membrane having porosity |
| CN204170555U (en) * | 2014-10-11 | 2015-02-25 | 浙江东大环境工程有限公司 | A kind of hollow-fibre membrane for removing PM2.5 and purifier used |
| CN204214076U (en) * | 2014-10-27 | 2015-03-18 | 郭绍华 | A kind of purification fresh air |
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2015
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| CN101279524A (en) * | 2008-04-25 | 2008-10-08 | 江苏闳业机械有限公司 | Compound technique of film filtering material and equipment |
| CN101934173A (en) * | 2009-07-02 | 2011-01-05 | 东丽纤维研究所（中国）有限公司 | Filter material and use thereof |
| JP2011074129A (en) * | 2009-09-29 | 2011-04-14 | Neos Co Ltd | Water and oil repellent composition |
| CN102284251A (en) * | 2011-08-01 | 2011-12-21 | 浙江东大环境工程有限公司 | Method for manufacturing polytetrafluoroethylene hollow fibrous membrane |
| KR20130109728A (en) * | 2012-03-28 | 2013-10-08 | 웅진케미칼 주식회사 | Manufacturing method of ptfe hollow fiber membrane having porosity |
| KR20150079108A (en) * | 2013-12-31 | 2015-07-08 | 도레이케미칼 주식회사 | PTFE hollow fiber membrane and production method thereof |
| CN204170555U (en) * | 2014-10-11 | 2015-02-25 | 浙江东大环境工程有限公司 | A kind of hollow-fibre membrane for removing PM2.5 and purifier used |
| CN204214076U (en) * | 2014-10-27 | 2015-03-18 | 郭绍华 | A kind of purification fresh air |
| CN104524985A (en) * | 2014-12-11 | 2015-04-22 | 南京工业大学 | Method for hydrophobic and oleophobic modification of surface of separation membrane |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107940655A (en) * | 2017-11-04 | 2018-04-20 | 郭绍华 | A kind of purification fresh air using hollow-fibre membrane as main filter material |
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Effective date of registration: 20180227 Address after: Longchang Baoan District road Xin'an street Shenzhen city Guangdong province 518000 No. 10 Room 309 students hit the valley Xiagu Applicant after: Guangdong wind and clean Engineering Co., Ltd. Address before: Futian District lotus road Shenzhen city Guangdong province 518034 No. 2075 Garden Association C building 1001 Applicant before: Guo Shaohua |
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Application publication date: 20170517 |