CN201686578U - Medical water purifying machine - Google Patents
Medical water purifying machine Download PDFInfo
- Publication number
- CN201686578U CN201686578U CN2010201719902U CN201020171990U CN201686578U CN 201686578 U CN201686578 U CN 201686578U CN 2010201719902 U CN2010201719902 U CN 2010201719902U CN 201020171990 U CN201020171990 U CN 201020171990U CN 201686578 U CN201686578 U CN 201686578U
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- Prior art keywords
- water
- filter
- connects
- cylindrical shell
- reverse osmosis
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- 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.)
- Expired - Fee Related
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 144
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 37
- 238000001223 reverse osmosis Methods 0.000 claims abstract description 32
- 239000012528 membrane Substances 0.000 claims description 22
- 238000009826 distribution Methods 0.000 claims description 11
- 238000004140 cleaning Methods 0.000 claims description 7
- 239000000706 filtrate Substances 0.000 claims description 7
- 230000002000 scavenging effect Effects 0.000 claims description 7
- 230000001954 sterilising effect Effects 0.000 claims description 7
- 238000004659 sterilization and disinfection Methods 0.000 claims description 7
- 238000010926 purge Methods 0.000 claims description 4
- 238000000746 purification Methods 0.000 abstract description 4
- 229910052799 carbon Inorganic materials 0.000 abstract description 2
- 239000000203 mixture Substances 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 description 3
- 238000001914 filtration Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000012535 impurity Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000000108 ultra-filtration Methods 0.000 description 2
- 239000003643 water by type Substances 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 238000007630 basic procedure Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004113 cell culture Methods 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229920002521 macromolecule Polymers 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000010999 medical injection Methods 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 230000007170 pathology Effects 0.000 description 1
- 230000035479 physiological effects, processes and functions Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000008399 tap water Substances 0.000 description 1
- 235000020679 tap water Nutrition 0.000 description 1
- 230000002110 toxicologic effect Effects 0.000 description 1
- 231100000027 toxicology Toxicity 0.000 description 1
- 230000003245 working effect Effects 0.000 description 1
Images
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- Water Treatment By Sorption (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The utility model relates to a medical water purifying machine which is characterized by mainly comprising a raw water tank (1), a mechanical filter (3), an active carbon filter (4), a precision filter (5), a cartridge filter (6), a primary reverse osmosis device (10) and a secondary reverse osmosis device (14). The medical water purifying machine is reasonable in structure and composition, has the advantages of low cost, less equipment occupation area, high purification efficiency, large yield, convenient operation and use, full-automatic control, stable water outlet quality and the like, and can be widely applicable to various medical occasions. The electrical conductivity of the pure water made by the medical water purifying machine can be below 5muS/cm.
Description
Technical field
The utility model belongs to water-treatment technology field, is specifically related to a kind of medicinal water machine.
Background technology
High speed development along with scientific-technical progress and industrial production technology, the demand of medicinal water is increasing, particularly various medical injection waters, physiology, pathology, toxicological experiment water, animal and plant cell cultures waters etc. to improving constantly of quality and state of the art requirement, need a large amount of high-quality pure water, so the method for buying the self-control pure water of the mode of commercial pure water and higher cost no longer is fit to the medical needs of this class in the past.
Summary of the invention
The purpose of this utility model is to provide the medicinal water machine of a kind of simple in structure, system water stay in grade, economy and durability, and this water purification machine former water of can cost-effective purification purifying satisfies health care water demand.
The technical solution of the utility model is:
A kind of medicinal water machine, it is mainly by raw water box, mechanical filter, activated charcoal filter, accurate filter, security personnel's strainer, first-stage reverse osmosis device and two-pass reverse osmosis device are formed, the water outlet of described raw water box connects the water-in of mechanical filter, the water outlet of mechanical filter connects the pipe connecting flange of intaking of going up of activated charcoal filter, the following water outlet pipe connecting flange of activated charcoal filter connects the water-in of accurate filter, the water port of accurate filter connects the water-in of security personnel's strainer, the water outlet of security personnel's strainer connects the membrane module of first-stage reverse osmosis device by the one-level high-pressure pump, the first-stage reverse osmosis device connects intermediate water tank, intermediate water tank connects the membrane module of two-pass reverse osmosis device by the secondary high-pressure pump, the two-pass reverse osmosis device connects the purifying water tank, the purifying water tank connects ultraviolet sterilization apparatus by pure water pump, and ultraviolet sterilization apparatus connects the mocromembrane strainer.
Be provided with former water topping-up pump between described raw water box and the mechanical filter, the water outlet of security personnel's strainer connects scavenging pump, and scavenging pump connects cleaning case; Cleaning case connects the first-stage reverse osmosis device; Intermediate water tank connects the PH setting device.
Described raw water box mainly is made up of water inlet pipe interface, hand-hole, casing and water outlet, and described hand-hole is positioned at casing top, and hand-hole is provided with the water inlet pipe interface, and water outlet is arranged on lower box.
Be provided with the center anchorage bar in the described accurate filter, anchorage bar top, center is provided with upper end cover, anchorage bar bottom, center is provided with dividing plate, be provided with filter core between upper end cover and the dividing plate, be provided with the filter core locking cap between filter core and the upper end cover, be provided with the filter core support bar between filter core and the dividing plate, be provided with sealing-ring between filter core support bar and the dividing plate.
Described accurate filter sidepiece is provided with water-in, and the accurate filter bottom is provided with water port and spike, and accurate filter top is connected with upper cover by holding bolt, and upper cover is provided with purging valve, and the center anchorage bar is provided with the center fastening nut.
The water inlet pipe connecting flange of going up of described activated charcoal filter connects the opening for feed flange, the opening for feed flange connects the cylindrical shell upper flange by tightening bolt, the cylindrical shell upper flange is positioned at the cylindrical shell top, cylinder inboard wall is provided with the line with rubber layer, be provided with filtrate level gac in the cylindrical shell, filtrate level gac bottom is provided with water distribution cap dividing plate, and water distribution cap dividing plate is provided with the water distribution cap, the cylindrical shell bottom is provided with the cylindrical shell lower flange, and the cylindrical shell lower flange is by water outlet pipe connecting flange under holding bolt connects down.
Be provided with filter in the described cylindrical shell, the cylindrical shell sidepiece is provided with the discharge port baffle plate, and the discharge port baffle plate is provided with the discharge port flange, and cylindrical shell is provided with hanger and window, and the cylindrical shell bottom is provided with spike.
The filter core of described accurate filter is that precision is the filter core of 5 μ-15 μ.The filter core of described security personnel's strainer is that precision is the filter core of 0.5 μ-2 μ.
Described membrane module comprises the RO film device, and membrane module also comprises variable valve conductivity meter, pilot lamp, tensimeter, under meter and switch box.
The beneficial effects of the utility model are:
Medicinal water machine of the present utility model adopts mechanical filter, active carbon purifying device, accurate filter, security personnel's strainer and membrane module to finish pure water preparation jointly, medicinal water machine of the present utility model is rational in infrastructure, form rationally, have that cost is low, equipment takes up an area of advantages such as little, that purification efficiency is high, output is big, easy for operation, full automatic control, effluent characteristics are stable, can be widely used in various medical applications.Specific conductivity through the made pure water of medicinal water machine of the present utility model can be below 5 μ S/cm.
Description of drawings
Fig. 1 is an one-piece construction synoptic diagram of the present utility model.
Fig. 2 is the structural representation of raw water box of the present utility model.
Fig. 3 is the vertical view of Fig. 2.
Fig. 4 is the structural representation of activated charcoal filter of the present utility model.
Fig. 5 is the structural representation of accurate filter of the present utility model.
Fig. 6 is the structural representation of membrane module of the present utility model.
Among Fig. 1: 1 be raw water box, 2 for former water topping-up pump, 3 for mechanical filter, 4 for activated charcoal filter, 5 for accurate filter, 6 for security personnel's strainer, 7 for the one-level high-pressure pump, 8 for scavenging pump, 9 for cleaning case, 10 for the first-stage reverse osmosis device, 11 for intermediate water tank, 12 for the secondary high-pressure pump, 13 for the PH setting device, 14 for the two-pass reverse osmosis device, 15 for the purifying water tank, 16 for pure water pump, 17 for ultraviolet sterilization apparatus, 18 for mocromembrane strainer, 19 for membrane module.
Among Fig. 2, Fig. 3:, 11 be the water inlet pipe interface, 12 for hand-hole, 13 for casing, 14 for water outlet;
Among Fig. 4: 41 is that last water inlet pipe connecting flange, 42 is that filter, 44 is that cylindrical shell, 45 is that line with rubber layer, 46 is that filtrate level gac, 47 is that discharge port baffle plate, 48 is that discharge port flange, 49 is that water distribution cap, 410 is that holding bolt, 412 was that opening for feed flange, 413 is that cylindrical shell upper flange, 414 is a hanger, the 415th under water distribution cap dividing plate, 411 was for tightening bolt, 43, and window, 416 is that water outlet pipe connecting flange, 418 was a spike under cylindrical shell lower flange, 417 was;
Among Fig. 5: 51 is that purging valve, 52 is that upper cover, 53 is that center anchorage bar, 54 is that center fastening nut, 55 is that holding bolt, 56 is that upper end cover, 57 is that water-in, 58 is that filter core locking cap, 59 is that filter core, 510 is that filter core support bar, 511 is that sealing-ring, 512 is that dividing plate, 513 is that water port, 514 is a spike;
Among Fig. 6: 191 is that conductivity meter, 192 is that pilot lamp, 193 is that tensimeter, 194 is that under meter, 195 is that RO film device, 196 is that switch box, 197 is a variable valve.
Embodiment
Below in conjunction with accompanying drawing the utility model is further described:
A kind of medicinal water machine, it is mainly by raw water box 1, mechanical filter 3, activated charcoal filter 4, accurate filter 5, security personnel's strainer 6, first-stage reverse osmosis device 10 and two-pass reverse osmosis device 14 are formed, the water outlet of described raw water box 1 connects the water-in of mechanical filter 3, the water outlet of mechanical filter 3 connects the pipe connecting flange 41 of intaking of going up of activated charcoal filter 4, the following water outlet pipe connecting flange 417 of activated charcoal filter 4 connects the water-in 57 of accurate filter 5, the water port 513 of accurate filter 5 connects the water-in of security personnel's strainer 6, the water outlet of security personnel's strainer 6 connects the membrane module 19 of first-stage reverse osmosis device 10 by one-level high-pressure pump 7, first-stage reverse osmosis device 10 connects intermediate water tank 11, intermediate water tank 11 connects the membrane module 19 of two-pass reverse osmosis device 14 by secondary high-pressure pump 12, two-pass reverse osmosis device 14 connects purifying water tank 15, purifying water tank 15 connects ultraviolet sterilization apparatus 17 by pure water pump 16, and ultraviolet sterilization apparatus 17 connects mocromembrane strainer 18.The water outlet of mocromembrane strainer 18 is effusive to be standard compliant pure water.The dense water section of the one-level of first-stage reverse osmosis device 10 is back to intermediate water tank 11, and the dense water of the secondary of two-pass reverse osmosis device 14 all is back to raw water box 1.
Be provided with former water topping-up pump 2 between raw water box 1 and the mechanical filter 3, the water outlet of security personnel's strainer 6 connects scavenging pump 8, and scavenging pump 8 connects cleaning case 9; Cleaning case 9 connects first-stage reverse osmosis device 10; Intermediate water tank 11 connects PH setting device 13.
Raw water box 1 mainly is made up of water inlet pipe interface 11, hand-hole 12, casing 13 and water outlet 14, and described hand-hole 12 is positioned at casing 13 tops, and hand-hole 12 is provided with water inlet pipe interface 11, and water outlet 14 is arranged on casing 13 bottoms.Water inlet pipe interface 11 connects the raw water tubes road.
Be provided with center anchorage bar 53 in the accurate filter 5, anchorage bar 53 tops in center are provided with upper end cover 56, anchorage bar 53 bottoms in center are provided with dividing plate 512, be provided with filter core 59 between upper end cover 56 and the dividing plate 512, be provided with filter core locking cap 58 between filter core 59 and the upper end cover 56, be provided with filter core support bar 510 between filter core 59 and the dividing plate 512, be provided with sealing-ring 511 between filter core support bar 510 and the dividing plate 512.
The water inlet pipe connecting flange 41 of going up of activated charcoal filter 4 connects opening for feed flange 412, opening for feed flange 412 connects cylindrical shell upper flange 413 by tightening bolt 42, cylindrical shell upper flange 413 is positioned at cylindrical shell 44 tops, cylindrical shell 44 inwalls are provided with line with rubber layer 45, be provided with filtrate level gac 46 in the cylindrical shell 44, filtrate level gac 46 bottoms are provided with water distribution cap dividing plate 410, water distribution cap dividing plate 410 is provided with water distribution cap 49, cylindrical shell 44 bottoms are provided with cylindrical shell lower flange 416, and cylindrical shell lower flange 416 is by water outlet pipe connecting flange 417 under holding bolt 411 connects down.
Be provided with filter 43 in the cylindrical shell 44, cylindrical shell 44 sidepieces are provided with discharge port baffle plate 47, and discharge port baffle plate 47 is provided with discharge port flange 48, and cylindrical shell 44 is provided with hanger 414 and window 415, and cylindrical shell 44 bottoms are provided with spike 418.
The filter core 69 of accurate filter 5 is the filter core of 5 μ-15 μ for precision, the filter core of preferred 10 μ.The filter core of described security personnel's strainer 6 is that precision is the filter core of 0.5 μ-2 μ, the filter core of preferred 1 μ.
Basic procedure of the present utility model is: tap water is sent into mechanical filter 3, activated charcoal filter 4, accurate filter 5, security personnel's strainer 6 successively, and the water after the one-level high-pressure pump 7 that re-uses pressure range and be 1.2～1.8MPa will be filtered is sent into 10 processing of first-stage reverse osmosis device.Activated charcoal filter 4 of the present utility model is selected the active fruit shell carbon filter core for use, accurate filter 5 is selected the filter core of precision 5 μ scopes for use, security personnel's strainer 6 is selected the filter core of precision 1 μ for use, the reverse osmosis membrane RO film significant parameter of the membrane module 19 of first-stage reverse osmosis device 10 is: ph value scope 3-10, the highest working pressure 4mPa, film sees through liquid 1.7T/H, ratio of desalinization 99.6%, and service temperature is below 45 ℃.The system that reverse osmosis membrane adopts one section treatment process of secondary to constitute finishes.Wherein, behind mechanical filter 3, activated charcoal filter 4, behind the suspended substance in the coarse filtration water, impurity, the organism, carry out the essence filter by accurate filter 5 and security personnel's strainer 6 more earlier, the ultra-filtration membrane of process membrane module 19 and RO film are handled and are reached requirement at last.Multi-filtering before the RO film mainly is compositions such as the organism, impurity, suspended substance in the filtering water, in order to avoid these materials enter the RO film, result in blockage, pollution and work-ing life shorten etc., particularly ultra-filtration membrane is a kind of porous-film with super " screening " function.Can effectively remove more particulate, colloid, bacterium and macromolecule organic matter in the water, reduce turbidity, water-quality guideline such as COD, TOC, make reverse osmosis membrane obtain more reliable protection.Every grade of strainer is all sent into water by high-pressure pump.
Claims (10)
1. medicinal water machine, it is characterized in that it is mainly by raw water box (1), mechanical filter (3), activated charcoal filter (4), accurate filter (5), security personnel's strainer (6), first-stage reverse osmosis device (10) and two-pass reverse osmosis device (14) are formed, the water outlet of described raw water box (1) connects the water-in of mechanical filter (3), the water outlet of mechanical filter (3) connects the pipe connecting flange (41) of intaking of going up of activated charcoal filter (4), the following water outlet pipe connecting flange (417) of activated charcoal filter (4) connects the water-in (57) of accurate filter (5), the water port (513) of accurate filter (5) connects the water-in of security personnel's strainers (6), the water outlet of security personnel's strainers (6) connects the membrane module (19) of first-stage reverse osmosis device (10) by one-level high-pressure pump (7), first-stage reverse osmosis device (10) connects intermediate water tank (11), intermediate water tank (11) connects the membrane module (19) of two-pass reverse osmosis device (14) by secondary high-pressure pump (12), two-pass reverse osmosis device (14) connects purifying water tank (15), purifying water tank (15) connects ultraviolet sterilization apparatus (17) by pure water pump (16), and ultraviolet sterilization apparatus (17) connects mocromembrane strainer (18).
2. medicinal water machine according to claim 1 is characterized in that being provided with former water topping-up pump (2) between described raw water box (1) and the mechanical filter (3), and the water outlet of security personnel's strainers (6) connects scavenging pump (8), and scavenging pump (8) connects cleaning case (9); Cleaning case (9) connects first-stage reverse osmosis device (10); Intermediate water tank (11) connects PH setting device (13).
3. medicinal water machine according to claim 1, it is characterized in that described raw water box (1) mainly is made up of water inlet pipe interface (11), hand-hole (12), casing (13) and water outlet (14), described hand-hole (12) is positioned at casing (13) top, hand-hole (12) is provided with water inlet pipe interface (11), and water outlet (14) is arranged on casing (13) bottom.
4. medicinal water machine according to claim 1, it is characterized in that being provided with in the described accurate filter (5) center anchorage bar (53), center anchorage bar (53) top is provided with upper end cover (56), center anchorage bar (53) bottom is provided with dividing plate (512), be provided with filter core (59) between upper end cover (56) and the dividing plate (512), be provided with filter core locking cap (58) between filter core (59) and the upper end cover (56), be provided with filter core support bar (510) between filter core (59) and the dividing plate (512), be provided with sealing-ring (511) between filter core support bar (510) and the dividing plate (512).
5. medicinal water machine according to claim 4, it is characterized in that described accurate filter (5) sidepiece is provided with water-in (57), accurate filter (5) bottom is provided with water port (513) and spike (514), accurate filter (5) top is connected with upper cover (52) by holding bolt (55), upper cover (52) is provided with purging valve (51), and center anchorage bar (53) is provided with center fastening nut (54).
6. medicinal water machine according to claim 1, the water inlet pipe connecting flange (41) of going up that it is characterized in that described activated charcoal filter (4) connects opening for feed flange (412), opening for feed flange (412) connects cylindrical shell upper flange (413) by tightening bolt (42), cylindrical shell upper flange (413) is positioned at cylindrical shell (44) top, cylindrical shell (44) inwall is provided with line with rubber layer (45), be provided with filtrate level gac (46) in the cylindrical shell (44), filtrate level gac (46) bottom is provided with water distribution cap dividing plate (410), water distribution cap dividing plate (410) is provided with water distribution cap (49), cylindrical shell (44) bottom is provided with cylindrical shell lower flange (416), and cylindrical shell lower flange (416) is by water outlet pipe connecting flange (417) under holding bolt (411) connects down.
7. medicinal water machine according to claim 6, it is characterized in that being provided with in the described cylindrical shell (44) filter (43), cylindrical shell (44) sidepiece is provided with discharge port baffle plate (47), discharge port baffle plate (47) is provided with discharge port flange (48), cylindrical shell (44) is provided with hanger (414) and window (415), and cylindrical shell (44) bottom is provided with spike (418).
8. medicinal water machine according to claim 1, the filter core (69) that it is characterized in that described accurate filter (5) is the filter core of 5 μ-15 μ for precision.
9. industrial pure water machine according to claim 1, the filter core that it is characterized in that described security personnel's strainer (6) are that precision is the filter core of 0.5 μ-2 μ.
10. industrial pure water machine according to claim 1, it is characterized in that described membrane module (19) comprises RO film device (195), membrane module (19) also comprises variable valve (197), conductivity meter (191), pilot lamp (192), tensimeter (193), under meter (194) and switch box (196).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201719902U CN201686578U (en) | 2010-04-27 | 2010-04-27 | Medical water purifying machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201719902U CN201686578U (en) | 2010-04-27 | 2010-04-27 | Medical water purifying machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201686578U true CN201686578U (en) | 2010-12-29 |
Family
ID=43374864
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201719902U Expired - Fee Related CN201686578U (en) | 2010-04-27 | 2010-04-27 | Medical water purifying machine |
Country Status (1)
| Country | Link |
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| CN (1) | CN201686578U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102557314A (en) * | 2012-03-09 | 2012-07-11 | 江苏新澳电力技术有限公司 | Pure water preparation device |
| CN102874943A (en) * | 2012-09-18 | 2013-01-16 | 温州恒通水处理设备有限公司 | Equipment for preparing injection water by integrated membrane method |
| CN103253803A (en) * | 2013-05-02 | 2013-08-21 | 国家电网公司 | Pure water treatment equipment |
| CN103449652A (en) * | 2013-09-11 | 2013-12-18 | 海南华拓天涯制药有限公司 | Preparation method of sterile water for injection |
| CN103663751A (en) * | 2012-09-13 | 2014-03-26 | 成都爱信雅克科技有限公司 | Integrated medical purified water treatment machine |
| CN110342670A (en) * | 2018-04-03 | 2019-10-18 | 上海泰邑节能环保科技有限公司 | A kind of water purification equipment equipped with cleaning device |
| CN120441163A (en) * | 2025-07-10 | 2025-08-08 | 甘肃方鸿环保设备科技有限公司 | An integrated high-purity water equipment |
-
2010
- 2010-04-27 CN CN2010201719902U patent/CN201686578U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102557314A (en) * | 2012-03-09 | 2012-07-11 | 江苏新澳电力技术有限公司 | Pure water preparation device |
| CN103663751A (en) * | 2012-09-13 | 2014-03-26 | 成都爱信雅克科技有限公司 | Integrated medical purified water treatment machine |
| CN102874943A (en) * | 2012-09-18 | 2013-01-16 | 温州恒通水处理设备有限公司 | Equipment for preparing injection water by integrated membrane method |
| CN103253803A (en) * | 2013-05-02 | 2013-08-21 | 国家电网公司 | Pure water treatment equipment |
| CN103449652A (en) * | 2013-09-11 | 2013-12-18 | 海南华拓天涯制药有限公司 | Preparation method of sterile water for injection |
| CN110342670A (en) * | 2018-04-03 | 2019-10-18 | 上海泰邑节能环保科技有限公司 | A kind of water purification equipment equipped with cleaning device |
| CN120441163A (en) * | 2025-07-10 | 2025-08-08 | 甘肃方鸿环保设备科技有限公司 | An integrated high-purity water equipment |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101229 Termination date: 20130427 |