CN201948244U - Membrane method emergency water source cup - Google Patents

Membrane method emergency water source cup Download PDF

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Publication number
CN201948244U
CN201948244U CN 201020638630 CN201020638630U CN201948244U CN 201948244 U CN201948244 U CN 201948244U CN 201020638630 CN201020638630 CN 201020638630 CN 201020638630 U CN201020638630 U CN 201020638630U CN 201948244 U CN201948244 U CN 201948244U
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water
cup
membrane
piston
emergency
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CN 201020638630
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Chinese (zh)
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俞海桥
史娟娟
江良涌
王俊川
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厦门绿邦膜技术有限公司
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Abstract

The utility model discloses a membrane method emergency water source cup, comprising a water source cup body, a cup cover, a hand-operated piston and a filter membrane core which comprises a hollow fiber membrane module, an active carbon adsorption layer and a PP (polypropylene) cotton layer, wherein the membrane module comprises several U-shaped hollow fiber membrane beams forming a whole body. The membrane method emergency water source cup of the utility model is used following the steps of: opening the water source cup cover, drawing the piston out of the cup body, filling the cup with turbid water (raw water), replacing the piston and pressing down the piston, filtering the turbid water through a membrane apparatus, adsorbing the turbid water by the active carbon, adsorbing and filtering the turbid water through the PP cotton to obtain clean drinking water, penetrating the clean drinking water into a water purification chamber, drawing the piston out of the cup body again, opening a rubber cap, and holding water with the cup cover. The membrane method emergency water source cup possesses the advantages such as high filtration accuracy and wide water quality application and is convenient to carry.

Description

膜法应急水源杯 Membrane emergency water cup

技术领域 FIELD

[0001] 本实用新型公开一种膜法应急水源杯,按国际专利分类表(IPC)划分属于水净化处理装置类制造技术领域,尤其是涉及利用膜装置的过滤作用将非饮用水处理成饮用水, 在各种特殊环境下(例如生物污染、化学污染及其它各种有机物污染)提供应急水源的净化 [0001] The present invention discloses an emergency water membrane cup, according to the international patent classification (IPC) belongs to divided water purification apparatus based manufacturing technology, particularly relates to membrane filtration device according to the non-potable water treatment for drinking water, providing emergency water purification in a variety of special circumstances (e.g. biological contamination, chemical contamination, and other various organic contaminants)

直O Straight O

背景技术 Background technique

[0002] 人们在野外生存、户外旅行或军队在野外作战期间,当发生地震、泥石流、矿难等重大灾害事故时,需要饮用非自来水,而山泉、湖泊、溪流、江河、池塘等大多数未经处理的地表水,尤其是发生重大灾害事故后的地表水,含有多种细菌、病毒、有毒有害有机污染物、 矿物质杂物等,不宜直接饮用。 [0002] people to survive in the wild, outdoor travel or during military field operations, when major disasters occur earthquakes, landslides, mine and other, non-drinking water needs, while Spring, lakes, streams, rivers, ponds and other non-majority surface water treatment, surface water, especially after major disasters occurred, contains a variety of bacteria, viruses, toxic organic pollutants, minerals and other debris, not to drink.

[0003] 目前已有的一些应急净水装置,有的处理精度不高;有的虽然处理精度高,但结构复杂,体积较大,携带、操作均不便,中国专利文献CN 201451955U公开了一种便携净水杯,包括外杯体、内杯体和滤芯筒,滤芯筒固定于内杯体下方,人滤芯筒内加装活性碳,只能吸附有机污染物或杂质;中国专利文献CN 201609187U,包括原水储水杯及杯盖、净水储水杯、安装于原水储水杯和净水储水杯之间的水过滤装置,所述杯盖为活塞式空气压缩装置,水过滤装置采用高能陶瓷、纳粹材料或天然保健矿石,仍然不能过滤细菌、病毒等;中国专利文献C拟876371公开一种净水杯手压水泵,压缩筒套拧在压缩筒座上,压缩筒上端套拧手柄,进水口在手柄中,并在水泵下面设有复合过滤芯,该水泵结构复杂。 [0003] At present, some emergency water purification device, some processing accuracy is not high; although some high processing precision, but the structure is complex, bulky, carrying operations are inconvenient Chinese patent discloses a CN 201451955U cup portable water purifier, comprising an outer cup, the inner cup and the filter cartridge, the filter cartridge is fixed to the bottom of the inner cup, human activated carbon filter cylinder installation, only absorption of organic contaminants or impurities; Chinese patent document CN 201609187U, comprising a raw water reservoir cup and lid, the clean water cups, water filtering device is attached to the raw water between the cup and the clean water reservoir cup, said lid means is a compression piston air, water filtering device using high-performance ceramics, materials Nazi mineral or natural health, it can not filter bacteria, viruses and the like; Chinese patent 876,371 discloses a water purifier intended C cup hand pressure pumps, compressed in the compression cylinder sleeve is screwed on the hub, the upper end of the compression cylinder sleeve is screwed a handle, the handle inlet in, and a composite filter element below the pump, the pump structure complicated.

发明内容 SUMMARY

[0004] 针对现有技术的不足,本实用新型提供了一种结构合理、使用方便的膜法应急水源杯。 [0004] for the deficiencies of the prior art, the present invention provides a reasonable structure, convenient to use emergency water membrane cup.

[0005] 为达到上述目的,本实用新型是通过以下技术方案实现的: [0005] To achieve the above object, the present invention is achieved by the following technical solution:

[0006] 一种膜法应急水源杯,包括水源杯体、杯盖、手动活塞及过滤膜芯,其中: [0006] A membrane emergency water cup comprising a water cup, lid, and the piston manually filtration membrane cartridge, wherein:

[0007] 水源杯体,其顶端设有进水口,杯体内装有过滤膜芯形成过滤通道,水源杯体底部为净水腔,其与过滤通道相通,净水腔底端设有出水口; [0007] Water cup, which tip is provided with a water inlet, cup-formed core body with a filtration membrane filtration channel, the bottom cup of water purification chamber, which passage communicates with the filter, the bottom end of the chamber is provided with clean water outlet;

[0008] 手动活塞,其活塞设置于水源杯体上部的压缩腔内且活塞手柄向上延伸于水源杯体的进水口处,活塞通过压缩气体使杯体内的原水通过过滤通道进入到净水腔; [0008] Manual of the piston, which piston is disposed in an upper portion of the cup of water and a compression chamber piston handle extends upwardly to a water source at the inlet of the cup body, so that the piston by the compressed gas in the cup body into the raw water into the purification chamber through the filter channels;

[0009] 过滤膜芯,其包括中空纤维膜组件,该膜组件包括若干呈U型状的中空纤维膜束组合为一体; [0009] The filtration membrane cartridge comprising a hollow fiber membrane module comprising a plurality of U-shaped form of hollow fiber membrane bundle as a whole composition;

[0010] 杯盖,设置的水源杯体的顶端并扣合于杯体的进水口处。 [0010] lid, the cup of water to the top and provided at the inlet to the engaging cup.

[0011] 进一步,所述水源杯体的出水口由封头封堵,该封头可以为橡皮帽或其他密封装置。 [0011] Further, the water outlet of the cup body by the sealing head, the head may be a rubber cap or other sealing means.

[0012] 进一步,所述的过滤膜芯还包括活性碳吸附层或PP棉层,两者之一或组合设置于中空纤维膜组件下面进一步过滤原水。 [0012] Further, the filtration membrane cartridge further comprises activated carbon adsorption layer or PP layer of cotton, one or a combination of both in the hollow fiber membrane module disposed below the raw water is further filtered. [0013] 进一步,所述的中空纤维膜组件由若干中空纤维膜束及膜封头组合为一体,中空纤维膜束为超滤或纳滤膜束。 [0013] Further, the hollow fiber membrane module by a plurality of membrane bundle and a hollow fiber membrane sealing head assembly as a whole, the hollow fiber membrane bundle ultrafiltration or nanofiltration membrane bundle.

[0014] 进一步,所述水源杯体内的压缩腔与过滤通道之间设有隔板,该隔板上具有复数个空气通孔以使压缩腔内的空气进入到过滤通道内。 [0014] Further, a separator provided between the water in the cup body the compression chamber and the filter passage having a plurality of through-holes on the air separator so that the air enters the compression chamber into the filter channel.

[0015] 进一步,所述的杯盖通过螺纹复合于水源杯体的顶端。 [0015] Further, according to a lid by screwing the composite to the top of the cup of water.

[0016] 进一步,所述的手动活塞由活塞及连接为一体的手柄组成,活塞为向下凹的碗状主体。 [0016] Further, according to the manual of the piston by the piston and integrally connected to a handle composed of the piston body to the concave bowl.

[0017] 本实用新型使用过程如下:使用时将水源杯盖打开,把活塞拉出杯体,装上浊水(原水),放回活塞,并向下压活塞,浊水经膜装置过滤、活性炭吸附、PP棉吸附过滤后,得到干净可饮用的水,进入净水腔,然后再把活塞拉出杯体,打开橡皮帽,用杯盖接水。 [0017] The present invention is used as follows: When using the water lid opens, the piston is drawn cup, fitted Turbidity (raw water), returned to the piston, and the pressure piston, dirty water through the membrane filtration unit, activated carbon adsorption, adsorption PP cotton filtration to give clean, potable water, clean water into the chamber, and then pull out the piston cup, the rubber cap is opened, then the lid of water.

[0018] 本实用新型具有如下有益的效果: [0018] The present invention has the following beneficial effects:

[0019] 1、本实用新型由于采用孔径极小的膜装置,处理精度高,经处理后的水质优良,可以直接饮用; [0019] 1, the present invention is very small due to the pore size of the membrane device, high processing accuracy, the treated water quality can be directly consumed;

[0020] 2、适用水质范围广,山泉、湖泊、溪流、江河、池塘等地表水均可以处理,也可应用于污染严重水体处理,紧急情况下,污染严重的水也可以处理到清洁后饮用; After [0020] 2, applicable water quality of a wide range of spring, lakes, streams, rivers, ponds and other surface waters can be treated, may be applied to polluted water treatment, emergency situations, polluted water to be treated to clean drinking ;

[0021] 3、操作简单,手推动即可,不需要外加电源; [0021] 3, simple, hand-pushed, do not need external power supply;

[0022] 4、结构小巧,重量轻,长度在15-30cm,携带方便; [0022] 4, compact, light weight, length of 15-30cm, easy to carry;

[0023] 5、本实用新型中膜装置、活性炭、pp棉均可更换,使用寿命长。 [0023] 5, the membrane of the present invention means activated carbon, pp cotton are replaceable, long service life.

附图说明 BRIEF DESCRIPTION

[0024] 图1是本实用新型结构示意图。 [0024] FIG. 1 is a structural diagram of the present invention novel. 具体实施方式 detailed description

[0025] 下面结合附图对本实用新型作进一步说明: [0025] DESCRIPTION OF DRAWINGS The present invention is further for:

[0026] 实施例:请参阅图1,一种膜法应急水源杯,包括水源杯体9、杯盖1、手动活塞2 及过滤膜芯,其中: [0026] Example: Referring to FIG. 1, a membrane process emergency water cup comprising 9, lid 1, 2 and manually piston cup water filtration membrane cartridge, wherein:

[0027] 水源杯体9,其项端设有进水口,杯体内装有过滤膜芯形成过滤通道,水源杯体底部为净水腔6,其与过滤通道相通,净水腔底端设有出水口7 ; [0027] Water cup 9, which is provided with a water inlet end items, the cup forming a core body with a filtration membrane filtration channel, the bottom of the cup body water purification chamber 6, which communicates with the channel filtering, water purification chamber is provided with a bottom end outlet 7;

[0028] 手动活塞2,其活塞设置于水源杯体上部的压缩腔内且活塞手柄向上延伸于水源杯体9的进水口处,活塞通过压缩气体使杯体内的原水通过过滤通道进入到净水腔6 ; [0028] Manual of the piston 2, a piston which is provided in the upper cup of water and the piston of the compression chambers to the upwardly extending handle at the water inlet 9 of the cup, so that the piston by the compressed gas in the cup body into the raw water through the filter channels purification chamber 6;

[0029] 过滤膜芯,其包括中空纤维膜组件3,该膜组件包括若干呈U型状的中空纤维膜束组合为一体; [0029] The filtration membrane cartridge comprising a hollow fiber membrane module 3, module including a plurality of U-shaped form of hollow fiber membrane bundle as a whole composition;

[0030] 杯盖1,设置的水源杯体9的顶端并扣合于杯体的进水口处。 [0030] 1 lid, the top cup of water and 9 provided at the inlet to the engaging cup.

[0031] 本实用新型中水源杯体的出水口由封头封堵,该封头可以为橡皮帽8或其他密封装置。 [0031] In the present invention, the water outlet closure cup by a head, the head 8 may be a rubber cap or other sealing means. 过滤膜芯还包括活性碳吸附层4或PP棉层5,两者之一或组合设置于中空纤维膜组件下面进一步过滤原水。 Filtration membrane cartridge further comprises activated carbon adsorption layer 4 PP cotton layer 5, or a combination of one or both of the hollow fiber membrane module disposed below the raw water is further filtered. 中空纤维膜组件由若干中空纤维膜束及膜封头31组合为一体,中空纤维膜束为超滤或纳滤膜束。 A combination of a plurality of hollow fiber membrane module of hollow fiber membrane bundle and the head 31 as a whole film, hollow fiber membrane bundle ultrafiltration or nanofiltration membrane bundle.

[0032] 本实用新型中水源杯体内的压缩腔与过滤通道之间设有隔板10,该隔板上具有复数个空气通孔101以使压缩腔内的空气进入到过滤通道内。 A separator 10 is provided between [0032] the present invention water in the cup body in the compression chamber and the filter passageway, having a plurality of through-holes 101 on the air separator so that the air enters the compression chamber into the filter channel. 杯盖1通过螺纹复合于水源杯体9的顶端。 1 by screwing the lid to the top of water in the composite cup 9. 手动活塞由活塞及连接为一体的手柄组成,活塞为向下凹的碗状主体。 Manually by the piston of the piston and integrally connected to a handle composed of the piston body to the concave bowl.

[0033] 本实用新型具体结构如下: [0033] The specific configuration of the present invention is as follows:

[0034] 1、 杯盖通过螺纹方式扣在水源杯上方,杯盖打开可作为容器,接净水。 [0034] 1, threadably fastening the lid above the water cups, lids can be opened as a container, then purified water.

[0035] 2、 活塞为手动式,活塞和杯壁之间有空隙,活塞上有个向下凹的橡皮碗。 [0035] 2, between manual piston, the piston and the cup wall voids, there is a downwardly concave bowl rubber piston. 向下压活塞的时候,活塞下方空气体积缩小,压强增大,使橡皮碗紧抵着杯壁不让空气漏到活塞上方,继续向下压活塞,空气体积进一步缩小,压强继续增大,可通过空气压强把原水压出水源杯,得到净水。 When the piston is pressed downward, the volume below the air piston is reduced, the pressure increases, so that the rubber bowl tightly against the cup wall to prevent leakage of air above the piston, the pressure piston continues downward, the volume of air is further reduced, the pressure continues to increase, the air pressure out of the original water pressure cup, to give purified water. 向上拉活塞的时候,活塞下方的空气体积增大,压强减小,活塞上方的空气就从橡皮碗四周挤到下方,使得活塞上方和活塞下方的空气压强保持平衡,不至把水从净水腔抽回。 Pull up the piston when the volume of air below the piston increases, the pressure decreases, the air above the piston is pushed downward from the blanket to the bowl around the top of the piston such that the air pressure below the piston and the balance, not to water purification from cavity withdraw.

[0036] 3、 膜装置,采用中空纤维膜组件,依不同过滤要求,不同孔径可选用超滤或纳滤。 [0036] 3, membrane device using a hollow fiber membrane module, according to different filtering requirements, different apertures can be selected ultrafiltration or nanofiltration. 其特征为上部为一分隔板,分隔板上开有多个小孔,以让空气流通;中部为中空纤维膜束,呈“U”形结构;下部为膜封头,膜束丝的开口端浇铸在膜封头上。 Wherein an upper portion of a partition plate, the partition plate is provided with a plurality of apertures to allow air circulation; central hollow fiber membrane bundle, as a "U" shaped structure; head lower portion of a film, membrane bundle filaments cast membrane sealing the open end of the head.

[0037] 4、 活性炭吸附层采用颗粒活性炭。 [0037] 4, activated carbon adsorption layer using granular activated carbon.

[0038] 5、 PP棉层采用网格平板式。 [0038] 5, PP cotton layer using a grid-type plate.

[0039] 6、 橡皮帽接在出水口上,向下压活塞时可起到密封作用,增大水源杯内空气压强;当净水腔贮存净水后,将活塞拉出杯体,打开橡皮帽即可接到可以直接饮用的净水。 [0039] 6, the rubber cap connected to the outlet, the sealing function of the piston when pressed down, increasing the air pressure within the water glass; the reservoir chamber when the water purification water purification, the piston is pulled out cup, open rubber cap can be directly connected to the drinking water purification.

[0040] 本实用新型适用水质范围广,山泉、湖泊、溪流、江河、池塘等地表水均可以处理, 也可应用于污染严重水体处理,紧急情况下,污染严重的水也可以处理到清洁后饮用。 After [0040] The present invention is widely applicable water quality range, spring, lakes, streams, rivers, ponds and other surface waters can be treated, it may be applied to polluted water treatment, emergency situations, polluted water to be treated to the cleaning drink.

[0041] 以上所记载,仅为利用本创作技术内容的实施例,任何熟悉本项技艺者运用本创作所做的修饰、变化,皆属本创作主张的专利范围,而不限于实施例所揭示者。 [0041] described above, the present embodiment utilizes only technical content creation, any use Skilled persons present creation made modifications, changes, as both the creation of the present patent claims scope, not limited to the disclosed embodiments By.

Claims (7)

  1. 1. 一种膜法应急水源杯,其特征在于包括水源杯体、杯盖、手动活塞及过滤膜芯,其中:水源杯体,其项端设有进水口,杯体内装有过滤膜芯形成过滤通道,水源杯体底部为净水腔,其与过滤通道相通,净水腔底端设有出水口;手动活塞,其活塞设置于水源杯体上部的压缩腔内且活塞手柄向上延伸于水源杯体的进水口处,活塞通过压缩气体使杯体内的原水通过过滤通道进入到净水腔;过滤膜芯,其包括中空纤维膜组件,该膜组件包括若干呈U型状的中空纤维膜束组合为一体;杯盖,设置的水源杯体的顶端并扣合于杯体的进水口处。 An emergency water membrane cup, characterized by comprising a water cup, lid, and the piston manually filtration membrane cartridge, wherein: the water cup, which is provided with a water inlet end items, the cup forming a core body with a filtration membrane filter channel, the bottom cup of water purification chamber, which passage communicates with the filter, the bottom end of the chamber is provided with clean water outlet; manual piston, the piston of the compression chamber is provided in the upper portion of the water and the piston cup handle extends upwardly in water water inlet cup, the piston by the compressed gas in the cup body the raw water into the purification chamber through the filter ducts; filtration membrane cartridge comprising a hollow fiber membrane module comprising a plurality of U-shaped form of hollow fiber membrane bundle composition as a whole; top lid, provided water and engaging the cup body to the water inlet cup.
  2. 2.根据权利要求1所述的膜法应急水源杯,其特征在于:所述水源杯体的出水口由封头封堵。 The membrane according to claim 1 cup of emergency water, wherein: the outlet water from the cup plugging head.
  3. 3.根据权利要求1所述的膜法应急水源杯,其特征在于:所述的过滤膜芯还包括活性碳吸附层或PP棉层,两者之一或组合设置于中空纤维膜组件下面进一步过滤原水。 The membrane emergency water cup according to claim 1, wherein: said filter membrane further comprises a core layer or the activated carbon adsorption layer PP cotton, one or a combination of both in the hollow fiber membrane module disposed further below filtration of raw water.
  4. 4.根据权利要求1或3所述的膜法应急水源杯,其特征在于:所述的的中空纤维膜组件由若干中空纤维膜束及膜封头组合为一体,中空纤维膜束为超滤或纳滤膜束。 The membrane of claim 13 or emergency water cups claim, wherein: said hollow fiber membrane module by a plurality of hollow fiber membrane bundle and a film sealing head assembly as a whole, an ultrafiltration hollow fiber membrane bundle or nanofiltration membrane bundle.
  5. 5.根据权利要求1所述的膜法应急水源杯,其特征在于:所述水源杯体内的压缩腔与过滤通道之间设有隔板,该隔板上具有复数个空气通孔以使压缩腔内的空气进入到过滤通道内。 The membrane emergency water cup according to claim 1, wherein: said cup water separator is provided between the compression chamber and the filter body passageway, having a plurality of through-holes on the air separator to the compression air enters into the filter chamber passage.
  6. 6.根据权利要求1所述的膜法应急水源杯,其特征在于:所述的杯盖通过螺纹复合于水源杯体的顶端。 6. Cup according emergency water membrane according to claim 1, wherein: said lid is threadably compound in water to the top of the cup.
  7. 7.根据权利要求1所述的膜法应急水源杯,其特征在于:所述的手动活塞由活塞及连接为一体的手柄组成,活塞为向下凹的碗状主体。 7. The membrane of claim 1 emergency water cup claim, wherein: said manual piston by the piston and integrally connected to a handle composed of the piston body to the concave bowl.
CN 201020638630 2010-12-02 2010-12-02 Membrane method emergency water source cup CN201948244U (en)

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CN (1) CN201948244U (en)

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102838222A (en) * 2012-09-19 2012-12-26 宁波福特恩饮水科技有限公司 Portable filtering water dispenser
CN103193334A (en) * 2013-04-08 2013-07-10 岑冠颖 Powerful filtering water purifying cylinder
CN103211380A (en) * 2013-04-08 2013-07-24 岑冠颖 Emergency filter cup
CN103721471A (en) * 2014-01-20 2014-04-16 朱寰 Portable water purifier used after natural disasters
CN103720347A (en) * 2012-12-28 2014-04-16 肖英 Purification water boiling kettle
CN105060537A (en) * 2015-09-03 2015-11-18 王玮 Novel water purifier
CN105417746A (en) * 2014-09-18 2016-03-23 天津工业大学 Portable nanofiltration water purification cup
CN105495983A (en) * 2014-09-18 2016-04-20 天津工业大学 Portable hand-pressing ultrafiltration membrane water-purification cup
CN105617745A (en) * 2016-02-29 2016-06-01 胡秀娟 Simple and efficient unpowered water-purifying cup
CN105832091A (en) * 2016-05-10 2016-08-10 安徽理工大学 Direct drinking cup for self-rescue in emergency situations and daily use and use method
CN106175356A (en) * 2016-08-30 2016-12-07 易忠良 Purification cup convenient to carry and good in water purification effect
CN106617637A (en) * 2016-12-29 2017-05-10 张春慧 Easy and convenient filtering water cup

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102838222A (en) * 2012-09-19 2012-12-26 宁波福特恩饮水科技有限公司 Portable filtering water dispenser
CN103767465B (en) * 2012-12-28 2016-06-29 肖英 Purification cups
CN103720347A (en) * 2012-12-28 2014-04-16 肖英 Purification water boiling kettle
CN103767465A (en) * 2012-12-28 2014-05-07 肖英 Purification cup
CN103193334B (en) * 2013-04-08 2014-11-05 岑冠颖 Powerful filtering water purifying cylinder
CN103193334A (en) * 2013-04-08 2013-07-10 岑冠颖 Powerful filtering water purifying cylinder
CN103211380A (en) * 2013-04-08 2013-07-24 岑冠颖 Emergency filter cup
CN103721471A (en) * 2014-01-20 2014-04-16 朱寰 Portable water purifier used after natural disasters
CN105495983A (en) * 2014-09-18 2016-04-20 天津工业大学 Portable hand-pressing ultrafiltration membrane water-purification cup
CN105417746A (en) * 2014-09-18 2016-03-23 天津工业大学 Portable nanofiltration water purification cup
CN105060537A (en) * 2015-09-03 2015-11-18 王玮 Novel water purifier
CN105617745A (en) * 2016-02-29 2016-06-01 胡秀娟 Simple and efficient unpowered water-purifying cup
CN105617745B (en) * 2016-02-29 2018-03-20 深圳市泉氏清科技有限公司 A simple and effective non-powered water purification Cup
CN105832091A (en) * 2016-05-10 2016-08-10 安徽理工大学 Direct drinking cup for self-rescue in emergency situations and daily use and use method
CN106175356A (en) * 2016-08-30 2016-12-07 易忠良 Purification cup convenient to carry and good in water purification effect
CN106617637A (en) * 2016-12-29 2017-05-10 张春慧 Easy and convenient filtering water cup

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