CN214914444U - Radon and radon daughter filtering membrane - Google Patents
Radon and radon daughter filtering membrane Download PDFInfo
- Publication number
- CN214914444U CN214914444U CN202022204778.8U CN202022204778U CN214914444U CN 214914444 U CN214914444 U CN 214914444U CN 202022204778 U CN202022204778 U CN 202022204778U CN 214914444 U CN214914444 U CN 214914444U
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- Prior art keywords
- radon
- filtering membrane
- filtering
- membrane
- filter
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- 239000012528 membrane Substances 0.000 title claims abstract description 138
- 229910052704 radon Inorganic materials 0.000 title claims abstract description 92
- SYUHGPGVQRZVTB-UHFFFAOYSA-N radon atom Chemical compound [Rn] SYUHGPGVQRZVTB-UHFFFAOYSA-N 0.000 title claims abstract description 91
- 238000001914 filtration Methods 0.000 title claims abstract description 90
- 239000000428 dust Substances 0.000 claims abstract description 12
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims abstract description 7
- 239000004810 polytetrafluoroethylene Substances 0.000 claims abstract description 7
- 229920000742 Cotton Polymers 0.000 claims abstract description 4
- -1 polyethylene Polymers 0.000 claims description 7
- 239000004677 Nylon Substances 0.000 claims description 3
- 239000002033 PVDF binder Substances 0.000 claims description 3
- 239000004698 Polyethylene Substances 0.000 claims description 3
- 229920000840 ethylene tetrafluoroethylene copolymer Polymers 0.000 claims description 3
- 239000004745 nonwoven fabric Substances 0.000 claims description 3
- 229920001778 nylon Polymers 0.000 claims description 3
- 229920000728 polyester Polymers 0.000 claims description 3
- 229920000573 polyethylene Polymers 0.000 claims description 3
- 229920000642 polymer Polymers 0.000 claims description 3
- 229920000915 polyvinyl chloride Polymers 0.000 claims description 3
- 239000004800 polyvinyl chloride Substances 0.000 claims description 3
- 229920002981 polyvinylidene fluoride Polymers 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 4
- 230000000087 stabilizing effect Effects 0.000 abstract 1
- 239000002245 particle Substances 0.000 description 11
- 230000005855 radiation Effects 0.000 description 6
- 230000006378 damage Effects 0.000 description 4
- 210000002345 respiratory system Anatomy 0.000 description 4
- 206010058467 Lung neoplasm malignant Diseases 0.000 description 3
- 239000000835 fiber Substances 0.000 description 3
- 239000008187 granular material Substances 0.000 description 3
- 201000005202 lung cancer Diseases 0.000 description 3
- 208000020816 lung neoplasm Diseases 0.000 description 3
- 238000001179 sorption measurement Methods 0.000 description 3
- 206010028980 Neoplasm Diseases 0.000 description 2
- HZEBHPIOVYHPMT-OUBTZVSYSA-N Polonium-210 Chemical compound [210Po] HZEBHPIOVYHPMT-OUBTZVSYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 239000003365 glass fiber Substances 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- 230000002285 radioactive effect Effects 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- XFXPMWWXUTWYJX-UHFFFAOYSA-N Cyanide Chemical compound N#[C-] XFXPMWWXUTWYJX-UHFFFAOYSA-N 0.000 description 1
- 210000000577 adipose tissue Anatomy 0.000 description 1
- 238000004887 air purification Methods 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 230000036592 analgesia Effects 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- 201000011510 cancer Diseases 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 230000002498 deadly effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000003670 easy-to-clean Effects 0.000 description 1
- 239000002375 environmental carcinogen Substances 0.000 description 1
- 210000002919 epithelial cell Anatomy 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000001727 in vivo Methods 0.000 description 1
- 210000004072 lung Anatomy 0.000 description 1
- 239000004750 melt-blown nonwoven Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 210000000653 nervous system Anatomy 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 210000005084 renal tissue Anatomy 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 230000000451 tissue damage Effects 0.000 description 1
- 231100000827 tissue damage Toxicity 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 231100000167 toxic agent Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 239000003440 toxic substance Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The invention discloses a radon and radon daughter filtering membrane, which comprises a first filtering membrane, a radon filtering membrane, a second filtering membrane and a third filtering membrane, wherein the first filtering membrane, the radon filtering membrane, the second filtering membrane and the third filtering membrane are arranged in parallel and at intervals, the first filtering membrane is a filtering cotton filtering membrane, the second filtering membrane and the third filtering membrane are both PET filtering membranes, the radon filtering membrane is arranged between the second filtering membrane and the third filtering membrane, the radon filtering membrane is made of a PTFE filtering membrane, and the second filtering membrane and the third filtering membrane can play a role in supporting and stabilizing the radon filtering membrane while further improving the filtering effect. The windward side is located to first filter membrane, carries out coarse filtration, improves the dust holding capacity and the meticulous filtering quality of straining the radon membrane, the utility model discloses a several layers of filter membranes filter layer upon layer, have solved traditional filter membrane and have transshipped and lead to the filtering quality to reduce, can keep the good filterability of filter membrane and extension jam time, have overcome the unable drawback of filtering the radon gas of traditional filter membrane simultaneously.
Description
Technical Field
The utility model relates to an air purification field especially relates to a radon and radon daughter filtration membrane.
Background
The human being is all harmed by radiation all the time, and the radiation emitted by radon and its daughter is far greater than the sum of other radioactive hazards. Radon is one of the 19 major environmental carcinogens, and long-term inhalation of radon will induce lung cancer.
More deadly, radon can become transformed into radon after a short decay time218Po、214Pb、214Bi、214Po, and the like.214Po random decay to210Pb，210Pb is absorbed by human body and finally decays into210Po, i.e., polonium-210. Polonium-210 has 2.5 hundred million times as toxic as cyanide, and 0.1 mg can kill 100 hundred million people, which is the most toxic substance in the world. Radon enters the body by breathing and decays to produce short-lived radionuclides that are deposited in the bronchial, lung and kidney tissues. When these short-lived radionuclides decay, the released particles are most damaging to the radiation, which can cause radiation to epithelial cells of the respiratory system, and long-term in vivo radiation can cause local tissue damage, even lung cancer, bronchial cancer, and the like.
The traditional glass fiber filter membrane has a compact fiber web structure, good filtering performance and large dust holding capacity, but has poor moisture resistance, cannot filter radon gas in a room, is easy to generate gaseous boron pollution in an acid environment, and is difficult to treat wastes after use; the electret melt-blown non-woven filter membrane adopts electrostatic adsorption, has the advantages of low resistance, high efficiency, easy treatment of waste and the like, but the electrostatic adsorption is gradually reduced, the filtering performance is poor, and radon gas which is harmful gas in a room cannot be filtered.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention aims to provide the filtering membrane capable of effectively filtering the radon gas in the room, improve the indoor air quality and reduce the harm of the radon and radon daughter to the human body.
The purpose of the invention is realized by adopting the following technical scheme:
the utility model provides a radon and radon daughter filter membrane, includes first filter membrane, strains radon membrane, second filter membrane, third filter membrane, first filter membrane, strain radon membrane, second filter membrane, third filter membrane parallel arrangement and interval setting.
Preferably, the first filter membrane is a filter cotton filter membrane.
Preferably, the first filter membrane is arranged on the windward side.
Preferably, the second filter membrane and the third filter membrane are both PET filter membranes.
Preferably, the radon filtering membrane is arranged between the second filter membrane and the third filter membrane, and the radon filtering membrane is made of a PTFE filter membrane.
Preferably, the radon filtering membrane can be replaced by one or any combination of polyethylene, polyester non-woven fabric, nylon, polyvinyl chloride, ethylene-tetrafluoroethylene polymer and polyvinylidene fluoride.
Preferably, the radon and radon daughter filtering membrane can be assembled with a dust collector and an air purifier.
The utility model discloses a following technical scheme realizes:
compared with the prior art, the traditional glass fiber filter membrane has a compact fiber web structure, but does not have the function of radon gas in the filter chamber, so that the harm of harmful gas to human bodies can not be effectively reduced. People spend 70% -80% of their lives in the room, how the indoor environment is, directly related to human health, indoor radon is the main factor affecting the indoor environment. The utility model discloses an use the filter pulp filter membrane, PET filter membrane and PTFE filter membrane make up, first filter membrane carries out the coarse filtration, as towards the first floor of polluted surface, the large granule of outside air can be earlier kept apart through the coarse filtration, second filter membrane and third filter membrane can further filter the minor diameter particle, it can effectively adsorb radon and radon daughter to strain the radon membrane, according to every layer of filter membrane aperture size, adopt the circulation filtration method, filter layer upon layer, when effectively purifying the room air, also can effectively filter indoor radon gas, it leads to the filtering quality to reduce to have solved traditional filter membrane overload, can keep the filterability and the extension jam time that the filter membrane is good, the drawback that traditional filter membrane can't filter radon gas has been overcome simultaneously.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a schematic view of the structure of radon and radon daughter filter membrane according to the embodiment of the present invention.
The reference numbers illustrate: 101-a first filter membrane; 102-radon filtering membrane; 103 a second filter membrane; 104 a third filter membrane.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit ly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" appearing throughout is to include three juxtapositions, exemplified by "A and/or B" including either scheme A, or scheme B, or a scheme in which both A and B are satisfied. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
The utility model provides a radon and radon daughter filtration membrane, refer to and draw together figure 1, radon and radon daughter filtration membrane includes: a first filter membrane 101, a radon filtering membrane 102, a second filter membrane 103 and a third filter membrane 104.
Specifically, the first filter membrane 101, the radon filtering membrane 102, the second filter membrane 103 and the third filter membrane 104 are arranged in parallel and at intervals, and a certain interval can prevent the filter membrane from occupying a filtering space due to overloading to reduce the filtering performance. First filter membrane 101 carries out the coarse filtration, and as the first layer towards the contaminated surface, the large granule of outside air can be earlier kept apart through the coarse filtration, second filter membrane 103 and third filter membrane 104 can further filter the minor diameter particle, it can effectively adsorb radon and radon daughter to strain radon membrane 102, adopts the circulation filtration method, filters layer upon layer, when effectively purifying room air, also can effectively filter indoor radon gas, has solved traditional filter membrane overload and has leaded to the filtering quality to reduce, can keep the good filterability of filter membrane and extension jam time, has overcome the drawback that traditional filter membrane can't filter radon gas simultaneously.
Further, the first filter membrane 101 is a filter cotton filter membrane, and is arranged on the windward side, so that large particles of outside air can be firstly isolated by coarse filtration. Dust is fine particles generated by crushing of objects and dispersed in the air, and the international standardization organization specifies that a solid suspension with a particle size of less than 75 μm is defined as dust, and the smaller the particle size of the dust, the slower the settling velocity and the greater the probability of being inhaled. The general dust particles (about 10 μm) are mostly blocked in the upper respiratory tract of human body, and the small particle size (below 5 μm) can reach the deep part of respiratory tract. This embodiment preferentially adopts euro standard G3 level, can effectively filter the dust particle more than 5.0 mu m, the filter pulp filter membrane carries out the coarse filtration, can keep the permeability of filter membrane, avoids large granule dust to block up the filter membrane, influences and filters adsorption performance.
Further, the second filter membrane 103 and the third filter membrane 104 are both PET filter membranes, and the second filter membrane 103 and the third filter membrane 104 can further filter dust particles with small diameters, so that the filtering effect is effectively improved, and the radon filtering membrane 102 is supported and stabilized.
Further, the radon filtering membrane 102 is disposed between the second filter membrane 103 and the third filter membrane 104, and radon has high affinity for human body fat, especially the nervous system is combined with radon to generate analgesia. The random effect is mainly shown as the occurrence of tumor, and because radon is radioactive gas, alpha particles generated in the decay process of radon can cause radiation damage in the respiratory system of a human body after people inhale the radon, so that lung cancer is induced. The radon filtering membrane 102 is made of a PTFE filter membrane, PTFE (polytetrafluoroethylene) fibers have good physical and chemical properties, the radon filtering membrane is a microporous and high-flux organic film, is high in acid and alkali resistance and oxidation resistance, has good low friction, smooth and easy-to-clean surface, low in running resistance and long in service life, has incomparable air permeability and water resistance and the like of a common filter membrane, has a good filtering effect on radon and radon daughters, effectively improves indoor air quality, and reduces harm of indoor radon to human bodies.
Further, the radon filtering membrane 102 can be replaced by one of polyethylene, polyester non-woven fabric, nylon, polyvinyl chloride, ethylene-tetrafluoroethylene polymer, and polyvinylidene fluoride. Simultaneously, this embodiment radon and radon daughter filter membrane can be used with dust remover, air purifier equipment.
The above only is the preferred embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structure changes made by the contents of the specification and the drawings under the inventive concept of the present invention, or the direct/indirect application in other related technical fields are included in the patent protection scope of the present invention.
Claims (7)
1. The radon and radon daughter filtering membrane is characterized by comprising a first filtering membrane, a radon filtering membrane, a second filtering membrane and a third filtering membrane, wherein the first filtering membrane, the radon filtering membrane, the second filtering membrane and the third filtering membrane are arranged in parallel and at intervals.
2. A radon and radon daughter filtering membrane according to claim 1, wherein said first filtering membrane is a filtering cotton filtering membrane.
3. A radon and radon daughter filtering membrane as claimed in claim 2, wherein said first membrane is disposed on the windward side.
4. A radon and radon daughter filtering membrane according to claim 1, wherein said second and third filtering membranes are PET filtering membranes.
5. The radon and radon daughter filtering membrane according to claim 1, wherein said radon filtering membrane is disposed between said second filtering membrane and said third filtering membrane, and said radon filtering membrane is made of PTFE filtering membrane.
6. A radon and radon daughter filtering membrane according to claim 5, wherein said radon filtering membrane is substituted with one of polyethylene, polyester nonwoven fabric, nylon, polyvinyl chloride, ethylene-tetrafluoroethylene polymer, polyvinylidene fluoride.
7. A radon and radon daughter filtering membrane according to claim 1, wherein said radon and radon daughter filtering membrane is assembled with a dust collector and an air cleaner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022204778.8U CN214914444U (en) | 2020-09-30 | 2020-09-30 | Radon and radon daughter filtering membrane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022204778.8U CN214914444U (en) | 2020-09-30 | 2020-09-30 | Radon and radon daughter filtering membrane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214914444U true CN214914444U (en) | 2021-11-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022204778.8U Active CN214914444U (en) | 2020-09-30 | 2020-09-30 | Radon and radon daughter filtering membrane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214914444U (en) |
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2020
- 2020-09-30 CN CN202022204778.8U patent/CN214914444U/en active Active
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 338000 1501, 1601 and 1701, building 18 (complex building), Baile village, No. 718, Yuxiu East Avenue, north of the city, Yushui District, Xinyu City, Jiangxi Province Patentee after: Jiangxi Qixin Group Co.,Ltd. Address before: 12 / F-16 / F, block B, Haina Baichuan headquarters building, 6 Baoxing Road, Xin'an street, Bao'an District, Shenzhen, Guangdong 518000 Patentee before: Shenzhen Qixin Group Co.,Ltd. |