CN112645425A - Water purification mineral substance steady voltage sustained-release devices - Google Patents
Water purification mineral substance steady voltage sustained-release devices Download PDFInfo
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- CN112645425A CN112645425A CN202110064836.8A CN202110064836A CN112645425A CN 112645425 A CN112645425 A CN 112645425A CN 202110064836 A CN202110064836 A CN 202110064836A CN 112645425 A CN112645425 A CN 112645425A
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- water outlet
- slow release
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- 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
- C02F1/68—Treatment of water, waste water, or sewage by addition of specified substances, e.g. trace elements, for ameliorating potable water
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/002—Construction details of the apparatus
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/002—Construction details of the apparatus
- C02F2201/004—Seals, connections
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/002—Construction details of the apparatus
- C02F2201/005—Valves
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/14—Maintenance of water treatment installations
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Water Treatment By Sorption (AREA)
Abstract
The invention relates to the technical field of mineral addition in water purification, in particular to a water purification mineral pressure stabilization slow release device, which comprises a valve body, wherein the lower end of the valve body is connected with a sealing cylinder body, a valve ball and a valve cap for fixing the valve ball on the valve body; the valve ball is internally provided with a water inlet cavity and a water return cavity, the middle of the valve cap is downwards provided with a water outlet column, and a telescopic corrugated sleeve is sleeved on the water outlet column and is positioned in the sealing cylinder; the bottom end of the telescopic corrugated sleeve is sealed, and a water outlet hole is formed in the bottom end of the telescopic corrugated sleeve; the bottom end portion bottoms against the surface of the mineral block within the sealed barrel. The invention keeps the water pressure stable and the water outlet direction consistent and the positions relatively same through the structure and the physical characteristics of the telescopic corrugated sleeve, so that the mineral substance slow release is stable, the consistency of concentration is good, the invention further perfects the water purification mineral substance slow release device, the structure is reasonable and practical, and the market popularization value is realized.
Description
Technical Field
The invention relates to the technical field of mineral addition in water purification, in particular to a pressure-stabilizing slow-release device for minerals in water purification.
Background
Industrial and agricultural pollution and the like, water bodies are polluted in a large quantity, and domestic water, particularly drinking water, can be safely used only by being filtered by a water purifying device. In the water purifying device, reverse osmosis is a safe and comprehensive filtering mode, can effectively filter impurities, viruses and heavy metal elements, is widely applied to urban household kitchens and also comprises industrial water purification. However, the water from the reverse osmosis device can filter out the essential minerals of human body, the water quality is acid and the taste is bad, and the long-term use is also bad for the health of people.
The existing water purification technology is generally connected with a mineral adding device after a reverse osmosis process. In the mineral-adding water purifier for water purifiers, mineral substances special for water purification are placed in a water barrel of a T-shaped flow passage, and water flows through the mineral substances to dissolve and take away mineral trace elements, so that the water quality is improved. The device disclosed adopts a plurality of structural schemes such as a helical blade, a partition plate, a U-shaped pipe and the like to slowly release minerals, so that the minerals can be uniformly and balancedly slowly released during the use period, and the excessive high concentration at the early stage and the sudden drop of the concentration at the later stage or severe change are prevented. The publication No. CN111018076A 'mineral adding device and electric appliance with water purifying function' also relates to a scheme for stably dissolving and slowly releasing.
In the process of mineral slow release, mineral dissolution deformation and reduction, water flow contact and position change, mineral element concentration in purified water can have large change along with time, slow release is not uniform, and the mineral is cracked to form tiny particles, becomes impurities and enters a pipeline, so that the problems of blockage risk and the like exist.
Disclosure of Invention
Aiming at the prior art, the invention provides a structure with more reasonable slow release of minerals in water purification, which can automatically adjust the position of a water outlet according to the change of the slow release shape of the minerals and reduce the fluctuation of the slow release concentration of the minerals to the maximum extent. Meanwhile, in order to prevent the mineral substances from becoming impurities, a filter screen is added, hidden dangers are reduced, the recycling of the particle mineral substances is improved, and the structure of the device is further improved.
In order to achieve the purpose, the invention adopts the following technical scheme:
a water purification mineral substance pressure stabilizing slow release device comprises a valve body, wherein the lower end of the valve body is connected with a sealing cylinder body, a valve ball and a valve cap for fixing the valve ball on the valve body; the valve ball is internally provided with a water inlet cavity and a water return cavity, the middle of the valve cap is downwards provided with a water outlet column, and a telescopic corrugated sleeve is sleeved on the water outlet column and is positioned in the sealing cylinder; the bottom end of the telescopic corrugated sleeve is sealed, and a water outlet hole is formed in the bottom end of the telescopic corrugated sleeve; the bottom end portion bottoms against the surface of the mineral block within the sealed barrel.
The technical scheme of the invention can also comprise:
the telescopic corrugated sleeve is provided with a preset force extending towards the bottom of the sealing cylinder body.
The telescopic corrugated sleeve is made of rubber and is provided with more than two corrugated sections.
And a thrust spring is arranged in the telescopic corrugated sleeve.
The corrugated section of the telescopic corrugated sleeve is provided with an inclined plane water outlet hole.
The water outlet of the valve cap water outlet column enters the telescopic corrugated sleeve, and the purified water flowing from the water outlet hole flows to the water return groove of the valve cap.
The mineral block is of an integral one-block structure or more than two spherical structures.
The sealing cylinder body is made of transparent material.
The filter screen is blocked at the front end of the water return tank.
According to the device for slowly releasing the minerals in the purified water, the minerals are kept to abut against the mineral blocks through the physical characteristics of the telescopic corrugated sleeves, the relative distances between the water outlet holes and the mineral blocks are consistent, the mineral slow release is stable when the purified water is washed away, and the consistency of concentration is good; the telescopic corrugated sleeve can effectively stabilize pressure, reduce disorder and reduce running noise; in addition, the valve structure can replace mineral blocks on line, is convenient to maintain, and the filter screen can effectively filter fine impurities. The water purification mineral substance slow release device is further perfected, the structure is reasonable and practical, and the water purification mineral substance slow release device has market popularization value.
Drawings
Fig. 1 is a schematic perspective view of a device according to a first embodiment of the present invention;
FIG. 2 is a schematic cross-sectional view of an apparatus according to a first embodiment of the present invention before operation;
FIG. 3 is a schematic cross-sectional view of an apparatus according to a first embodiment of the present invention;
fig. 4 is a schematic cross-sectional view of a three-dimensional structure of a device according to a second embodiment of the present invention;
FIG. 5 is a schematic cross-sectional view of a third embodiment of the apparatus of the present invention;
fig. 6 is a schematic perspective view of a telescopic bellows according to a fourth embodiment of the present invention.
The water inlet valve comprises a valve body 1, a valve ball 2, a water inlet cavity 20, a water return cavity 21, a blocking structure 22, a handle 23, an upper cavity 24, a valve cap 3, a water outlet column 30, a water return groove 31, a telescopic corrugated sleeve 4, a bottom end part 40, a water outlet hole 41, a corrugated section 42, a holding ring 43, a sealing cylinder 5, a mineral block 7, a filter screen 8 and a thrust spring 9.
Detailed Description
The invention will be further described with reference to preferred embodiments.
As shown in fig. 1 to 3, in a first preferred embodiment, a water purification mineral pressure stabilization and slow release device comprises a valve body 1, a sealing cylinder 5 connected to the lower end of the valve body 1, a valve ball 2, and a valve cap 3 for fixing the valve ball 2 to the valve body 1; the valve ball 2 is internally provided with a water inlet cavity 20 and a water return cavity 21, the middle of the valve cap 3 is downwards provided with a water outlet column 30, and the water outlet column 30 is sleeved with a telescopic corrugated sleeve 4 and is positioned in the sealing cylinder 5; the bottom end part 40 of the telescopic corrugated sleeve 4 is sealed, and a water outlet hole 41 is formed in the bottom end part 40; the bottom end portion 40 rests at the bottom against the surface of the mineral block 7 inside the sealed cylinder 5.
The ball valve of this embodiment has a special structure, and the ball valve has intake cavity 20 and return cavity 21 simultaneously, and two cavities are separated by barrier structure 22, and the clean water that flows through realizes turning 90 degrees from the ball valve and flowing out, turns 90 degrees back again. The purified water enters the water outlet column 30 from the water inlet cavity 20 of the valve ball 2, passes through the telescopic corrugated sleeve 4, exits from the water outlet hole 41, flows in the sealed cylinder 5, enters the water return cavity 21 through the water return groove 31 of the valve cap 3 and then flows out.
The handle 23 switch on the valve body 1 is not the rotation of the traditional valve by 90 degrees, but by 180 degrees, the whole valve ball 2 rotates by 180 degrees, thus the water inlet cavity 20 and the water return cavity 21 are turned, the purified water flows through the upper cavity 24 of the valve body 1, and the sealing cylinder 5 does not flow through and is in a sealing closed state.
The design structure of the ball valve in the device has the function of replacing the mineral block 7 on line without interrupting the flow of clean water. The valve ball 2 is rotated, the flow channel is changed by purified water, circulation is kept, the sealing barrel body 5 is unscrewed, the mineral blocks 7 are cleaned and placed, the maintenance process can be completed, the operation is rapid and convenient, a large amount of purified water is not wasted or sprayed, and the possibility of purified water pollution is reduced.
The mineral block 7 may be a mineral stone as shown in publication No. CN211470905U mineral-adding water purifier for water purifiers having a pH adjusting function, a concocted stone or other water treatment substances.
The telescopic corrugated sleeve 4 is provided with a preset force extending towards the bottom of the sealing cylinder 5. The new mineral block 7 as shown in fig. 2 is located at the bottom of the sealing cylinder 5. The bottom part 40 of the bellows 4 rests on the mineral block 7, the bottom part 40 being provided with an outlet opening 41, the outlet opening 41 being provided on a side, non-bottom surface, of the bottom part 40. The clean water effluent flushes the mineral lumps 7 horizontally, causing the mineral lumps 7 to decrease layer by layer. When the mineral block 7 is reduced as shown in fig. 3, the bottom end portion 40 of the bellows 4 is still in abutment against the mineral block 7. The distance between the water outlet hole 41 and the mineral block 7 changes little, the mineral block 7 can be washed stably and in the same direction, and the concentration of mineral elements separated out from the mineral block 7 is stable.
The mineral substance slow release device in the prior art has long operation time, the relative position of the water outlet and the mineral substance block can be greatly changed, and the water outlet direction is also changed, so that the concentration output of mineral substance elements is unstable. The starting point of the inventive concept is to change this drawback.
The flexible corrugated sleeve 4 is made of rubber material and is provided with more than two corrugated sections 42, in the embodiment, three corrugated sections 42 are provided. The use of the bellows 42, in addition to its telescopic function, requires the functions of fluid impact resistance, turbulence elimination, flow guidance, and pressure stabilization, which are not available in the prior art. The bellows 42 may be replaced by a helical structure, which provides better flow guidance but less flexibility.
The telescopic corrugated sleeve 4 is made of rubber materials, has the function of preventing surface scaling and is particularly in long-term contact with the mineral block 7. The rubber telescopic corrugated sleeve 4 has long service life and is healthy and environment-friendly. Of course, a stretchable plastic or rubber plastic composition may be used instead.
In the device, the water from the water outlet column 30 of the valve cap 3 enters the telescopic corrugated sleeve 4, and the purified water flowing from the water outlet hole 41 flows to enter the water return groove 31 of the valve cap 3. The clean water inlet means is directional. The valve cap 3 of the device is simultaneously provided with a water outlet channel and a water return channel. The water outlet column 30 is positioned in the middle of the valve cap 3, and the water return grooves 31 are distributed on the periphery of the water outlet column 30; and the water returning groove 31 corresponds to the position of the water returning cavity 21 of the valve ball 2.
In this embodiment, the sealing cylinder 5 is made of transparent material, such as plastic, such as PC, transparent nylon, PPS, or glass. The sealed cylinder 5 is made of transparent materials, so that the consumption condition of the mineral block 7 can be observed, and timely supplement can be carried out. The sealing cylinder 5 can also be made of non-transparent material, such as brass, stainless steel, plastic, etc.
The embodiment further comprises a filter screen 8 which is blocked at the front end of the water return tank 31. The filter screen 8 is fixed on the sealing cylinder 5, and the other end surrounds the outer side of the water outlet column 30. The filter screen 8 can cover the particle type mineral substance block 7 or pipeline impurities to prevent the mineral substance from flowing out of the device. The addition of the filter screen 8 can effectively improve the utilization efficiency of the mineral blocks 7 and dissolve the mineral blocks at the positions; also avoids the device flowing out and blocking the pipeline.
In the second preferred embodiment shown in fig. 4, the structure is substantially the same as that of the first preferred embodiment. A water purification mineral substance pressure stabilizing slow release device comprises a valve body 1, wherein the lower end of the valve body 1 is connected with a sealing cylinder 5, a valve ball 2 and a valve cap 3 for fixing the valve ball 2 on the valve body 1; the valve ball 2 is internally provided with a water inlet cavity 20 and a water return cavity 21, the middle of the valve cap 3 is downwards provided with a water outlet column 30, and the water outlet column 30 is sleeved with a telescopic corrugated sleeve 4 and is positioned in the sealing cylinder 5; the bottom end part 40 of the telescopic corrugated sleeve 4 is sealed, and a water outlet hole 41 is formed in the bottom end part 40; the bottom end portion 40 rests at the bottom against the surface of the mineral block 7 inside the sealed cylinder 5.
The mineral block 7 has an integral one-piece structure or more than two spherical structures. This embodiment uses a mineral block 7 of spherical structure. The bottom end portion 40 of the bellows 4 rests against the mineral block 7, despite the spherical mineral block 7 becoming smaller or smaller. The spherical mineral blocks 7 have gaps, the mineral element dissolving and separating efficiency is high, the production is also convenient, and the mineral blocks 7 can also be concocted stones for water purification or other water treatment substances.
The ball valve of the embodiment also adopts the special ball valve 2 and the bonnet 3, and has a double-channel structure and an online non-main channel switching function. The mineral block 7 is cleaned and replaced conveniently and quickly on line, a user can replace the mineral block by himself without a professional, the sealing barrel body 5 is transparent and visible, and consumption conditions of the mineral block 7 can be observed at any time.
The flexible corrugated sleeve 4 is tightly sealed by the clasping ring 43, and can also be fixed by the flexible clasping force of the flexible corrugated sleeve 4.
The telescopic corrugated sleeve 4 is provided with a preset force extending towards the bottom of the sealing cylinder 5. The bottom end part 40 of the telescopic corrugated sleeve 4 is kept against the mineral block 7, and the bottom end part 40 is provided with a water outlet hole 41 for discharging water, and a plurality of water outlet holes 41 discharge water together. The apopore 41 play water of circumference equipartition is even, and keeps relatively stable distance with mineral substance piece 7 is unanimous, and is stable to mineral substance piece 7's impact force, and rivers direction and pressure are stable, and the mineral substance element concentration who separates out from mineral substance piece 7 is stable.
The telescopic corrugated sleeve 4 is made of rubber with a corrugated section 42, has good elasticity and prevents mineral substances from scaling. The telescopic corrugated sleeve 4 has the functions of eliminating fluid impact, guiding water flow and stabilizing pressure, so that the consistency and stability of the water flow acting on the mineral block 7 are good.
The clean water of this embodiment flows out from the inlet cavity 20 of the valve ball 2 of the valve body 1, enters the outlet column 30 of the valve bonnet 3 and the telescopic corrugated sleeve 4, flows out from the bottom outlet hole 41, washes the mineral block 7, and flows out through the valve bonnet 3 return water tank 31 and the valve ball 2 return water cavity 21. No filter screen is needed.
In a third preferred embodiment shown in fig. 5, the structure is substantially the same as in the second embodiment. A water purification mineral substance pressure stabilizing slow release device comprises a valve body 1, wherein the lower end of the valve body 1 is connected with a sealing cylinder 5, a valve ball 2 and a valve cap 3 for fixing the valve ball 2 on the valve body 1; the valve ball 2 is internally provided with a water inlet cavity 20 and a water return cavity 21, the middle of the valve cap 3 is downwards provided with a water outlet column 30, and the water outlet column 30 is sleeved with a telescopic corrugated sleeve 4 and is positioned in the sealing cylinder 5; the bottom end part 40 of the telescopic corrugated sleeve 4 is sealed, and a water outlet hole 41 is formed in the bottom end part 40; the bottom end portion 40 rests at the bottom against the surface of the mineral block 7 inside the sealed cylinder 5.
The inside of the telescopic corrugated sleeve 4 is provided with a thrust spring 9, the preset force of the telescopic corrugated sleeve 4 is further increased, one end of the thrust spring 9 is propped against the valve cap 3, and the other end of the thrust spring is propped against the bottom end part 40 of the telescopic corrugated sleeve 4. The bellows 4 is provided with a bellows section 42. The springs may also be embedded within the corrugated sections 42 so that the springs are not exposed to water.
The embodiment further comprises a filter screen 8 which is blocked at the front end of the water return tank 31. The filter screen 8 is arranged on the valve cap 3 and is in a circular ring shape, and the inner diameter of the filter screen is wrapped on the outer diameter of the water outlet column 30.
A bellows 4 of the fourth preferred embodiment is shown in figure 6. The telescopic corrugated sleeve 4 is provided with a preset force extending to the bottom of the sealing cylinder 5 and can be contracted in length. The bellows 4 is made of rubber and has four bellows segments 42.
The bottom end part 40 of the telescopic corrugated sleeve 4 is sealed, and a water outlet hole 41 is formed in the bottom end part 40; the corrugated section 42 of the telescopic corrugated sleeve 4 is provided with a slope water outlet 42. The inclined plane water outlet hole 42 is combined with the water outlet hole 41 in the horizontal direction, so that the water outlet angle is more comprehensive, and the mineral block flushing effect is better.
The mineral matter pressure-stabilizing slow-release device provided by the invention is applied to water purification occasions, and the stable water pressure and the consistent water outlet direction are kept through the structure and the physical characteristics of the telescopic corrugated sleeve, and the positions of a water outlet hole and a mineral matter block are mainly kept relatively consistent, so that the mineral matter is stably and slowly released, and the consistency of concentration is good; in addition, the valve structure can replace mineral blocks on line, and is convenient to maintain. The water purification mineral substance slow release device is further perfected, the structure is reasonable and practical, and the water purification mineral substance slow release device has market popularization value.
Claims (9)
1. A water purification mineral substance pressure stabilizing slow release device comprises a valve body (1), wherein the lower end of the valve body (1) is connected with a sealing cylinder body (5), a valve ball (2) and a valve cap (3) for fixing the valve ball (2) on the valve body (1); be equipped with into water cavity (20) and return water cavity (21) in valve ball (2), be equipped with a play water column (30) down in the middle of valve cap (3), its characterized in that: a telescopic corrugated sleeve (4) is sleeved on the water outlet column (30) and is positioned in the sealing cylinder body (5); the bottom end part (40) of the telescopic corrugated sleeve (4) is sealed, and a water outlet hole (41) is formed in the bottom end part (40); the bottom end portion (40) rests at the bottom against the surface of the mineral block (7) inside the sealing cylinder (5).
2. The water purifying mineral matter pressure stabilizing slow release device according to claim 1, characterized in that: the telescopic corrugated sleeve (4) is provided with a preset force extending towards the bottom of the sealing cylinder body (5).
3. The water purifying mineral matter pressure stabilizing slow release device according to claim 1, characterized in that: a thrust spring (9) is arranged in the telescopic corrugated sleeve (4).
4. The water purifying mineral pressure stabilizing and slow releasing device of claim 1, 2 or 3, which is characterized in that: the telescopic corrugated sleeve (4) is made of rubber materials and is provided with more than two corrugated sections (42).
5. The water purifying mineral matter pressure stabilizing slow release device according to claim 4, characterized in that: the corrugated section (42) of the telescopic corrugated sleeve (4) is provided with an inclined plane water outlet hole (42).
6. The water purifying mineral matter pressure stabilizing slow release device according to claim 1, characterized in that: the water outlet of the valve cap (3) water outlet column (30) enters the telescopic corrugated sleeve (4), and the purified water flowing from the water outlet hole (41) flows to the water return groove (31) of the valve cap (3).
7. The water purifying mineral matter pressure stabilizing slow release device according to claim 1, characterized in that: the mineral block (7) is of an integral one-block structure or more than two spherical structures.
8. The water purifying mineral matter pressure stabilizing slow release device according to claim 1, characterized in that: the sealing cylinder body (5) is made of transparent material.
9. The water purifying mineral matter pressure stabilizing slow release device according to claim 1, characterized in that: also comprises a filter screen (8) which is blocked at the front end of the water return tank (31).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110064836.8A CN112645425B (en) | 2021-01-18 | 2021-01-18 | Water purification mineral substance steady voltage sustained-release devices |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110064836.8A CN112645425B (en) | 2021-01-18 | 2021-01-18 | Water purification mineral substance steady voltage sustained-release devices |
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| CN112645425A true CN112645425A (en) | 2021-04-13 |
| CN112645425B CN112645425B (en) | 2022-09-09 |
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| CN110372074A (en) * | 2019-06-27 | 2019-10-25 | 陕西珍硒菁华科技研究院有限公司 | Natural mineralized water prepares filter core |
| CN110759455A (en) * | 2019-10-31 | 2020-02-07 | 青岛彩虹环保工程有限公司 | Mineral substance adding and purifying device for water purifier |
| CN110776309A (en) * | 2019-11-14 | 2020-02-11 | 四川水喜宝科技发展有限公司 | Selenium-rich filler, preparation method and water making machine |
| CN211470906U (en) * | 2019-10-31 | 2020-09-11 | 青岛彩虹环保工程有限公司 | Mineral substance adding water purifying device for separating water purifier |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090101490A1 (en) * | 2005-07-06 | 2009-04-23 | Sylvan Source, Inc. | Water Purification System |
| JPWO2017109813A1 (en) * | 2015-12-21 | 2018-10-11 | 株式会社一 | Water purification method and water purification apparatus |
| CN207435192U (en) * | 2017-08-17 | 2018-06-01 | 付全贵 | A kind of zinc supplementation water purifier |
| CN109626540A (en) * | 2018-12-29 | 2019-04-16 | 福建金源泉科技发展有限公司 | A kind of minerals sustained-release microspheres and device with service life prompting function |
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| CN110372074A (en) * | 2019-06-27 | 2019-10-25 | 陕西珍硒菁华科技研究院有限公司 | Natural mineralized water prepares filter core |
| CN110759455A (en) * | 2019-10-31 | 2020-02-07 | 青岛彩虹环保工程有限公司 | Mineral substance adding and purifying device for water purifier |
| CN211470906U (en) * | 2019-10-31 | 2020-09-11 | 青岛彩虹环保工程有限公司 | Mineral substance adding water purifying device for separating water purifier |
| CN110776309A (en) * | 2019-11-14 | 2020-02-11 | 四川水喜宝科技发展有限公司 | Selenium-rich filler, preparation method and water making machine |
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| CN112645425B (en) | 2022-09-09 |
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