CN107960820A - A kind of spiral fluorine-filtering cup - Google Patents

A kind of spiral fluorine-filtering cup Download PDF

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Publication number
CN107960820A
CN107960820A CN201711356012.8A CN201711356012A CN107960820A CN 107960820 A CN107960820 A CN 107960820A CN 201711356012 A CN201711356012 A CN 201711356012A CN 107960820 A CN107960820 A CN 107960820A
Authority
CN
China
Prior art keywords
fluorine
fluorine removal
box
cup
filter box
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201711356012.8A
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Chinese (zh)
Inventor
张广红
王顺强
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ningbo Cobon Huacheng Technology Transfer Services Ltd
Original Assignee
Ningbo Cobon Huacheng Technology Transfer Services Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ningbo Cobon Huacheng Technology Transfer Services Ltd filed Critical Ningbo Cobon Huacheng Technology Transfer Services Ltd
Priority to CN201711356012.8A priority Critical patent/CN107960820A/en
Publication of CN107960820A publication Critical patent/CN107960820A/en
Pending legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47G—HOUSEHOLD OR TABLE EQUIPMENT
    • A47G19/00—Table service
    • A47G19/22—Drinking vessels or saucers used for table service
    • A47G19/2205—Drinking glasses or vessels
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/42—Treatment of water, waste water, or sewage by ion-exchange
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/42—Treatment of water, waste water, or sewage by ion-exchange
    • C02F2001/422—Treatment of water, waste water, or sewage by ion-exchange using anionic exchangers
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00—Nature of the contaminant
    • C02F2101/10—Inorganic compounds
    • C02F2101/12—Halogens or halogen-containing compounds
    • C02F2101/14—Fluorine or fluorine-containing compounds

Abstract

The invention discloses a kind of spiral fluorine-filtering cup, it includes cup lid and cup body, the cup body has fluorine removal device, the fluorine removal device includes motor, telescopic rod and fluorine removal filter box, the electric machine built-in is in bottom of cup, fluorine removal filter box connects motor by telescopic rod, motor is enabled to drive fluorine removal filter box to rotate, the fluorine removal filter box includes box body and box lid, box body and box lid surface are uniformly provided with filter hole, cartridge outer surface is equipped with spiral outer muscle, and fluorine removal filter box is equipped with defluoridation filter material.Fluorine removal device built in the present invention includes motor, telescopic rod and fluorine removal filter box, by motor fluorine removal can be driven to filter box to rotate, water body flow can effectively be driven, improve absorption fluorine ion effect, wherein cartridge outer surface is equipped with spiral outer muscle, its screw type structure, can stir convection current above and below water body when it is rotated, and improve water body filtration effect.

Description

A kind of spiral fluorine-filtering cup
Technical field
The present invention relates to a kind of spiral fluorine-filtering cup.
Background technology
Trace element necessary to fluoride is human life activity.Take care of one's teeth during low concentration, pre- anti-caries, promotion bone The effect of bone development, but the diseases such as fluorosis of bone, den tal fluorosis occur if various amounts of fluoride in drinking water is drunk for a long time.In general surface water Fluoride concentration is trace rank, but the fluoride concentration in underground water is then higher than relatively low.China is endemic fluorosis feelings One of more serious country of condition.In order to ensure drinking water safety, national " standards for drinking water quality "（GB5749-2006） Standard less than 1.0mg/L is defined to drinking water content of fluoride, thus must be carried out more than the drinking water of 1.0mg/L standards Fluorine removal processing, cup is more significant for fluorosis through common kitchenware, the high-effective defluorination of cup.
The content of the invention
For above-mentioned problem, the present invention provides a kind of spiral fluorine-filtering cup, easy to use, can facilitate The effective fluorine ion filtered out in water.
To achieve these goals, technical solution provided by the invention is：A kind of spiral fluorine-filtering cup, it is wrapped Cup lid and cup body are included, the cup body has fluorine removal device, and the fluorine removal device includes motor, telescopic rod and fluorine removal filter Box, the electric machine built-in connect motor in bottom of cup, fluorine removal filter box by telescopic rod so that motor can drive fluorine removal to filter Box rotates, and fluorine removal filter box includes box body and box lid,
Box body and box lid surface are uniformly provided with filter hole, and cartridge outer surface is equipped with spiral outer muscle, and fluorine removal filter box is equipped with defluoridation filter material.
The motor upper strata is equipped with diaphragm seal.
The defluoridation filter material is immobilized Fe（Ⅲ）Strongly basic anionic resin material.
Fluorine removal device built in the present invention includes motor, telescopic rod and fluorine removal filter box, by motor fluorine removal can be driven to filter box Rotate, can effectively drive water body flow, improve absorption fluorine ion effect, wherein cartridge outer surface is equipped with spiral outer muscle, its spiral shell Rotating structure, can speed up the convection current of above and below water body when it is rotated, and improve water body filtration effect.
Brief description of the drawings
Fig. 1 is fluorine removal cup schematic diagram provided in an embodiment of the present invention；
In figure：1st, cup body, 2, cup lid, 3, motor, 4, telescopic rod, 5, box body, 6, box lid, 7, spiral outer muscle, 8, diaphragm seal, 9, bottom Plate, 10, battery, 11, fixed plate, 12, button.
Embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, those of ordinary skill in the art are obtained every other without making creative work Embodiment, belongs to the scope of protection of the invention.
Referring to Fig. 1, a kind of spiral fluorine-filtering cup, it includes cup lid 2 and cup body 1, and the cup body has Fluorine removal device, the fluorine removal device include motor 3, telescopic rod 4 and fluorine removal filter box, the electric machine built-in in bottom of cup,
It is more specific, motor to be fixed by fixed plate 11, is then attached to and is fixed on bottom plate 9, bottom plate is provided with button 12, For controlling motor switch, motor is connected with battery, these are all conventional technical means, are not specifically described again.
Fluorine removal filter box connects motor by telescopic rod so that motor can drive fluorine removal filter box to rotate, fluorine removal filter Box includes box body 5 and box lid 6,
Box body and box lid surface are uniformly provided with filter hole, and cartridge outer surface is equipped with spiral outer muscle 7, and fluorine removal is filtered box and filtered equipped with fluorine removal Material.
The motor upper strata is equipped with diaphragm seal 8.
Fluorine removal device built in the present invention includes motor, telescopic rod and fluorine removal filter box, by motor fluorine removal can be driven to filter box Rotate, can effectively drive water body flow, improve absorption fluorine ion effect, wherein cartridge outer surface is equipped with spiral outer muscle, its spiral shell Rotating structure, can stir convection current above and below water body when it is rotated, and improve water body filtration effect.
The defluoridation filter material is immobilized Fe（Ⅲ）Strongly basic anionic resin material, select polystyrene divinyl benzene As skeleton, the different degrees of cross linking has different microstructures, uses different pore-foaming agents and different amounts of pore-foaming agent, Ke Yiyan The particle diameter of micropore in lattice control resin, quaternary ammonium group, tertiary amine groups, pyridine or the pyrimidine of institute's band, can dissociate OH in water on skeleton- And it is in strong basicity, the positive charged group of this resin can be adsorbed with the fluorine ion in solution to be combined, and is made so as to produce fluorine ion and exchange With since functional group is of different sizes, resin duct size would also vary from, and production cost is significantly reduced in preparation process And environmental pollution.More specifically preparation method is as follows：
Embodiment 1
Defluoridation filter material preparation method, this method comprise the following steps：
Step 1, add 2kgNDA900 types resin raw material and filter in car, adds 2kg methanol solutions, is intermittently stirred under the conditions of 45 DEG C After mixing, standing 1h, gravity filtration filters out methanol solution, and the methanol solution filtered out returns after Distallation systm is distilled and repeats to make With；Then resin is transferred in vacuum desiccator, using heating water bath to 60 DEG C, while it is 0.2MPa to keep vacuum, when Discharging after moisture content is reduced to 15%, obtains clean NDA900 type resins；Step 2, addition 2Kg is anhydrous in 6L reaction kettles FeCl3With 20% hydrochloric acid, 3LFeCl is configured to3Solution, wherein equivalent iron weight content is 10%, pH value 2;It will be done through over cleaning Dry pretreated NDA900 types resin is added portionwise above-mentioned with the feed rate of the resin content in 15min no more than 1/10 Equipped with FeCl3In the reaction kettle of solution, NDA900 types resin and FeCl3The solid-liquid weight ratio of solution is 1：2, at 35 DEG C, continue Stirring 2h, which is made, carries FeCl4 -Strongly basic anionic resin intermediate;Step 3, prepare 3L in reaction kettle, 20% weight content NaOH solution, FeCl will be carried using vacuum pump4 -Strongly basic anionic resin intermediate is evacuated in the reaction kettle in batches, reacts 2h, Carry FeCl4 -Strongly basic anionic resin intermediate is 1 with NaOH solution weight ratio：5, the speed control of addition in 15min not Lye, after completion of the reaction, is evacuated in head tank by the resin content more than 1/10 using diaphragm pump from reactor bottom, remaining Solid be immobilized Fe（Ⅲ）Strongly basic anionic resin；Step 4, add 3L in a kettle, and 8% sodium-chloride water solution will Immobilized Fe（Ⅲ）Strongly basic anionic resin add in the reaction kettle, immobilized Fe（Ⅲ）Strongly basic anionic resin and chlorination Sodium water solution mass ratio is 1：3；The speed control of addition is no more than 1/10 resin content in 15min, is sufficiently stirred anti- 2h is answered, then filtering, with water rinsing twice, using 30 DEG C of hot-air seasoning of temperature, obtain immobilized Fe（Ⅲ）Strong basicity the moon from Sub- resin sorbent.
Embodiment 2
Step 2, add the anhydrous FeCl of 2Kg in 6L reaction kettles3With 20% hydrochloric acid, 3LFeCl is configured to3Solution, wherein equivalent iron Weight content is 10%, pH value 2;To through and cleaning-drying pretreated NDA900 types resin to be no more than 1/10 in 15min The feed rate of resin content be added portionwise and above-mentioned FeCl be housed3In the reaction kettle of solution, NDA900 types resin and FeCl3 The solid-liquid weight ratio of solution is 1：1, at 35 DEG C, persistently stir 2h and load FeCl is made4 -Strongly basic anionic resin intermediate;Its Remaining step is the same as embodiment 1.
Embodiment 3
Step 2, add the anhydrous FeCl of 2Kg in 6L reaction kettles3With 20% hydrochloric acid, 3LFeCl is configured to3Solution, wherein equivalent iron Weight content is 10%, pH value 2;To through and cleaning-drying pretreated NDA900 types resin to be no more than 1/10 in 15min The feed rate of resin content be added portionwise and above-mentioned FeCl be housed3In the reaction kettle of solution, NDA900 types resin and FeCl3 The solid-liquid weight ratio of solution is 2：1, at 35 DEG C, persistently stir 2h and load FeCl is made4 -Strongly basic anionic resin intermediate;Its Remaining step is the same as embodiment 1.
Embodiment 4
Step 2, add the anhydrous FeCl of 2Kg in 6L reaction kettles3With 20% hydrochloric acid, 3LFeCl is configured to3Solution, wherein equivalent iron Weight content is 10%, pH value 2;To through and cleaning-drying pretreated NDA900 types resin to be no more than 1/10 in 15min The feed rate of resin content be added portionwise and above-mentioned FeCl be housed3In the reaction kettle of solution, NDA900 types resin and FeCl3 The solid-liquid weight ratio of solution is 3：1, at 35 DEG C, persistently stir 2h and load FeCl is made4 -Strongly basic anionic resin intermediate;Its Remaining step is the same as embodiment 1.
Embodiment 5
Step 2, add the anhydrous FeCl of 2Kg in 6L reaction kettles3With 20% hydrochloric acid, 3LFeCl is configured to3Solution, wherein equivalent iron Weight content is 10%, pH value 2;To through and cleaning-drying pretreated NDA900 types resin to be no more than 1/10 in 15min The feed rate of resin content be added portionwise and above-mentioned FeCl be housed3In the reaction kettle of solution, NDA900 types resin and FeCl3 The solid-liquid weight ratio of solution is 4：1, at 35 DEG C, persistently stir 2h and load FeCl is made4 -Strongly basic anionic resin intermediate;Its Remaining step is the same as embodiment 1.
Embodiment 6
Step 2, add the anhydrous FeCl of 2Kg in 6L reaction kettles3With 20% hydrochloric acid, 3LFeCl is configured to3Solution, wherein equivalent iron Weight content is 10%, pH value 2;To through and cleaning-drying pretreated NDA900 types resin to be no more than 1/10 in 15min The feed rate of resin content be added portionwise and above-mentioned FeCl be housed3In the reaction kettle of solution, NDA900 types resin and FeCl3 The solid-liquid weight ratio of solution is 5：1, at 35 DEG C, persistently stir 2h and load FeCl is made4 -Strongly basic anionic resin intermediate;Its Remaining step is the same as embodiment 1.
Embodiment 7
Step 2, add the anhydrous FeCl of 2Kg in 6L reaction kettles3With 20% hydrochloric acid, 3LFeCl is configured to3Solution, wherein equivalent iron Weight content is 10%, pH value 2;To through and cleaning-drying pretreated NDA900 types resin to be no more than 1/10 in 15min The feed rate of resin content be added portionwise and above-mentioned FeCl be housed3In the reaction kettle of solution, NDA900 types resin and FeCl3 The solid-liquid weight ratio of solution is 1：3, at 35 DEG C, persistently stir 2h and load FeCl is made4 -Strongly basic anionic resin intermediate;Its Remaining step is the same as embodiment 1.
Embodiment 8
Step 2, add the anhydrous FeCl of 2Kg in 6L reaction kettles3With 20% hydrochloric acid, 3LFeCl is configured to3Solution, wherein equivalent iron Weight content is 10%, pH value 2;To through and cleaning-drying pretreated NDA900 types resin to be no more than 1/10 in 15min The feed rate of resin content be added portionwise and above-mentioned FeCl be housed3In the reaction kettle of solution, NDA900 types resin and FeCl3 The solid-liquid weight ratio of solution is 1：4, at 35 DEG C, persistently stir 2h and load FeCl is made4 -Strongly basic anionic resin intermediate;Its Remaining step is the same as embodiment 1.
Embodiment 9
Step 2, add 1Kg cross-linked rectorites/SAPO-34 composite materials, the anhydrous FeCl of 2Kg in 6L reaction kettles3With 20% salt Acid, is configured to 3LFeCl3Solution, wherein equivalent iron weight content is 10%, pH value 2;It is pretreated cleaning-drying will to be passed through NDA900 types resin is added portionwise with to be no more than the feed rate of 1/10 resin content in 15min and above-mentioned FeCl is housed3It is molten In the reaction kettle of liquid, NDA900 types resin and cross-linked rectorite/SAPO-34 composite materials, FeCl3The solid-liquid weight ratio of solution is 1：1：2, at 35 DEG C, persistently stir 2h and load FeCl is made4 -Strongly basic anionic resin intermediate;Remaining step is the same as embodiment 1.
The preparation method of the cross-linked rectorite/SAPO-34 composite materials is as follows：
After 15 parts of SAPO-34 and 5 part of cross-linked rectorites are dried, crushing is ground, 600 mesh sieve, and are mixed at 90 DEG C Uniformly, it is dispersed in one deionized water solution of ethanol, adds 14 parts of cetyl trimethylammonium bromides in 60 DEG C of stirred in water bath 4 Hour, ultrasonic disperse 30 minutes, filters, and washing, is dried under vacuum to constant weight, grinds, and sieves up to cross-linked rectorite/SAPO-34 Composite material.
Embodiment 10
Step 2, add the anhydrous FeCl of 2Kg in 6L reaction kettles3With 20% hydrochloric acid, 3LFeCl is configured to3Solution, wherein equivalent iron Weight content is 10%, pH value 2;To through and cleaning-drying pretreated NDA900 types resin to be no more than 1/10 in 15min The feed rate of resin content be added portionwise and above-mentioned FeCl be housed3In the reaction kettle of solution, NDA900 types resin and FeCl3 The solid-liquid weight ratio of solution is 1：5, at 35 DEG C, persistently stir 2h and load FeCl is made4 -Strongly basic anionic resin intermediate;Its Remaining step is the same as embodiment 1.
Reference examples 1
It is with 1 difference of embodiment：In step 2 prepared by fluorine ion absorber, 20% hydrochloric acid of concentration is not added, remaining step Suddenly it is identical with embodiment 1.
Reference examples 2
It is with 1 difference of embodiment：In step 2 prepared by fluorine ion absorber, substitute hydrochloric acid with the nitric acid of concentration 20%, its Remaining step is identical with embodiment 1.
Reference examples 3
It is with 1 difference of embodiment：In step 3 prepared by fluorine ion absorber, sodium hydroxide solution is not added, remaining step Suddenly it is identical with embodiment 1.
Reference examples 4
It is with 1 difference of embodiment：In step 3 prepared by fluorine ion absorber, 3L, 5% weight content are prepared in reaction kettle NaOH solution, remaining step is identical with embodiment 1.
Reference examples 5
It is with 1 difference of embodiment：In step 3 prepared by fluorine ion absorber, FeCl is carried4 -In strongly basic anionic resin Mesosome is 1 with NaOH solution weight ratio：1, remaining step is identical with embodiment 1.
Reference examples 6
It is with 1 difference of embodiment：In step 3 prepared by fluorine ion absorber, FeCl is carried4 -In strongly basic anionic resin Mesosome is 5 with NaOH solution weight ratio：1, remaining step is identical with embodiment 1.
Reference examples 7
It is with 1 difference of embodiment：In fluorine ion absorber preparation process 4, sodium-chloride water solution is not added, remaining step It is identical with embodiment 1.
Reference examples 8
It is with 1 difference of embodiment：In fluorine ion absorber preparation process 4,3L, 38% sodium chloride water are added in a kettle Solution, remaining step are identical with embodiment 1.
Reference examples 9
It is with 1 difference of embodiment：In fluorine ion absorber preparation process 4, immobilized Fe（Ⅲ）Strongly basic anionic resin It is 1 with sodium-chloride water solution mass ratio：1, remaining step is identical with embodiment 1.
Reference examples 10
It is with 1 difference of embodiment：In fluorine ion absorber preparation process 4, immobilized Fe（Ⅲ）Strongly basic anionic resin It is 3 with sodium-chloride water solution mass ratio：1, remaining step is identical with embodiment 1.
The adsorbent that embodiment and reference examples are prepared is used for fluorine ion in water and adsorbs, and weighs 380g adsorbents, carries out water Middle fluorine ion adsorption test, adsorption time 24h, fluorinion concentration is 14.14mg/L in solution before being adsorbed in experiment, and quality is 1t, with the adsorption effect of fluoride ion removing rate reflection adsorbent；
It is as shown in the table for reaction result.
Test result indicates that the defluoridation filter material of the present invention has good removal effect to fluorine ion in water, in adsorption conditions one Periodically, fluoride ion removing rate is higher, and absorption property is better, otherwise poorer；In NDA900 types resin and FeCl3The solid-liquid weight of solution Amount is than being 1：When 2, other dispensings are fixed, and fluoride ion removing effect is best, are with 1 difference of embodiment, embodiment 2 to implementation Example 10 changes catalyst primary raw material NDA900 types resin and FeCl respectively3The dosage and proportioning of the solid-liquid of solution, to adsorbent Absorption property have different influences, it should be noted that embodiment 9 adds cross-linked rectorite/SAPO-34 composite materials, fluorine Ion remaval rate significantly improves, and it is preferably excellent to illustrate that cross-linked rectorite/SAPO-34 composite materials have the pore passage structure of adsorbent Change acts on；For reference examples 1 to reference examples 2 with not adding hydrochloric acid and substituting hydrochloric acid with nitric acid, other steps are identical, cause to inhale Attached dose of structure changes, and fluoride ion removing rate substantially reduces；Reference examples 3 to reference examples 6 do not add sodium hydroxide and change Carry FeCl4 -Strongly basic anionic resin intermediate and NaOH solution weight ratio, fluorine ion adsorption effect are substantially deteriorated；Reference examples 7 Sodium chloride is not added to reference examples 10 and changes immobilized Fe（Ⅲ）Strongly basic anionic resin and sodium-chloride water solution quality Than effect is still bad, illustrates that the ion-exchanged of sodium chloride is critically important；Therefore using defluoridation filter material of the present invention in water quality Fluorine ion has excellent removal effect.

Claims (3)

1. a kind of spiral fluorine-filtering cup, it includes cup lid and cup body, it is characterised in that the cup body has fluorine removal Device, the fluorine removal device include motor, telescopic rod and fluorine removal filter box, and the electric machine built-in is in bottom of cup, fluorine removal filter Box connects motor by telescopic rod so that motor can drive fluorine removal filter box to rotate, and fluorine removal filter box includes box body and box Lid,
Box body and box lid surface are uniformly provided with filter hole, and cartridge outer surface is equipped with spiral outer muscle, and fluorine removal filter box is equipped with defluoridation filter material.
2. a kind of spiral fluorine-filtering cup according to claim 1, it is characterised in that the motor upper strata is equipped with Diaphragm seal.
3. a kind of spiral fluorine-filtering cup according to claim 1, it is characterised in that the defluoridation filter material is solid Carry Fe（Ⅲ）Strongly basic anionic resin material.
CN201711356012.8A 2017-12-16 2017-12-16 A kind of spiral fluorine-filtering cup Pending CN107960820A (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
CN201711356012.8A CN107960820A (en) 2017-12-16 2017-12-16 A kind of spiral fluorine-filtering cup

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Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2141230Y (en) * 1992-11-28 1993-09-01 邵立华 Magnetic oscilation mineral cup
CN102060365A (en) * 2010-11-23 2011-05-18 浦坚 Disposable defluorinating bag for removing fluorine from drinking water
CN203200092U (en) * 2013-01-24 2013-09-18 朱泽 Portable double-opening water purification cup
CN104665434A (en) * 2013-11-27 2015-06-03 沁园集团股份有限公司 Circulation filtration cup
CN205359078U (en) * 2016-01-11 2016-07-06 南京金科威医疗科技有限公司 Quick purifying and filtering drinking cup
CN106308346A (en) * 2016-10-30 2017-01-11 宁波科邦华诚技术转移服务有限公司 Embedded filter box cup
CN107262071A (en) * 2017-08-17 2017-10-20 南京大学 A kind of industrial production process of iron oxide resin compounded adsorbent
CN107361596A (en) * 2017-09-10 2017-11-21 梅玉杰 A kind of intelligently filters cup

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2141230Y (en) * 1992-11-28 1993-09-01 邵立华 Magnetic oscilation mineral cup
CN102060365A (en) * 2010-11-23 2011-05-18 浦坚 Disposable defluorinating bag for removing fluorine from drinking water
CN203200092U (en) * 2013-01-24 2013-09-18 朱泽 Portable double-opening water purification cup
CN104665434A (en) * 2013-11-27 2015-06-03 沁园集团股份有限公司 Circulation filtration cup
CN205359078U (en) * 2016-01-11 2016-07-06 南京金科威医疗科技有限公司 Quick purifying and filtering drinking cup
CN106308346A (en) * 2016-10-30 2017-01-11 宁波科邦华诚技术转移服务有限公司 Embedded filter box cup
CN107262071A (en) * 2017-08-17 2017-10-20 南京大学 A kind of industrial production process of iron oxide resin compounded adsorbent
CN107361596A (en) * 2017-09-10 2017-11-21 梅玉杰 A kind of intelligently filters cup

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