CN101062801A - Purified water treatment facilities and pure water machine dense water treatment method - Google Patents
Purified water treatment facilities and pure water machine dense water treatment method Download PDFInfo
- Publication number
- CN101062801A CN101062801A CN 200610076508 CN200610076508A CN101062801A CN 101062801 A CN101062801 A CN 101062801A CN 200610076508 CN200610076508 CN 200610076508 CN 200610076508 A CN200610076508 A CN 200610076508A CN 101062801 A CN101062801 A CN 101062801A
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- Prior art keywords
- water
- water treatment
- pure water
- reverse
- dense
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 197
- 238000000034 method Methods 0.000 title claims description 16
- 239000008213 purified water Substances 0.000 title 1
- 238000001223 reverse osmosis Methods 0.000 claims abstract description 25
- 238000001914 filtration Methods 0.000 claims description 31
- 230000001954 sterilising effect Effects 0.000 claims description 20
- 239000004743 Polypropylene Substances 0.000 claims description 19
- 229920001155 polypropylene Polymers 0.000 claims description 16
- 238000000108 ultra-filtration Methods 0.000 claims description 14
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 12
- 238000001514 detection method Methods 0.000 claims description 11
- 229910052799 carbon Inorganic materials 0.000 claims description 10
- 239000000523 sample Substances 0.000 claims description 10
- 239000012535 impurity Substances 0.000 claims description 8
- -1 polypropylene Polymers 0.000 claims description 8
- 238000004062 sedimentation Methods 0.000 claims description 7
- 238000004659 sterilization and disinfection Methods 0.000 claims description 6
- 238000007599 discharging Methods 0.000 claims description 5
- 238000000746 purification Methods 0.000 claims description 4
- 238000009298 carbon filtering Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 claims description 2
- 239000003651 drinking water Substances 0.000 abstract description 3
- 235000020188 drinking water Nutrition 0.000 abstract description 2
- 125000004122 cyclic group Chemical group 0.000 abstract 1
- 230000008929 regeneration Effects 0.000 abstract 1
- 238000011069 regeneration method Methods 0.000 abstract 1
- 239000008399 tap water Substances 0.000 description 7
- 235000020679 tap water Nutrition 0.000 description 7
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000035622 drinking Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- 239000002351 wastewater Substances 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000010992 reflux Methods 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000001351 cycling effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 230000002070 germicidal effect Effects 0.000 description 1
- 239000012510 hollow fiber Substances 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005374 membrane filtration Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000009288 screen filtration Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
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Abstract
The invention discloses a disposing device of pure water, which is characterized by the following: comprising a preposition treater, a reverse osmosis treater, a dense water outlet and a delivery gate; realizing cyclic regeneration of the pure water through full-utilizing raw water and improving the water availability ratio; keeping the water quality of the pure water. This invention can be used to purify the water as domestic water and drinking water, which full-utilizes the water resource.
Description
Technical field
The present invention relates to water technology, relate in particular to the water treatment device that is used to prepare pure water.
The invention still further relates to the concentrated water treatment method of water purification machine.
Background technology
Because of environmental pollution causes the pollution of water resources, make people to remove once more just to be used for life after the processing of pollutents such as impurity, bacterium and drink tap water, thus tap water is handled the various devices that prepare pure water and just arise at the historic moment.Use the mode of pure water to have several at present, the one, household water still uses tap water, tap water is then bought drummed pure water or special-purpose pure water treatment system and pipeline is installed separately, like this for domestic water, for example be used to cook, wash the water cleaning inadequately still of dish, or whole pipeline all is transformed into the pure water pipeline, but this must cause the significantly raising of water cost.
In the water treatment device of existing manufacturing pure water, handle with reverse osmosis technology after the pre-process processes such as the filtration of former water process, activated carbon adsorption, obtain the pure water that conformance with standard can be drunk, as shown in Figure 1.Current be through producing pure water 1 and the waste water 2 two portions current that need after the RO reverse osmosis membrane processing, and wherein pure water 1 directly or through active carbon filtration enters in drinkable pure water case or the water pipe for drinking, and waste water 2 is then directly drained.This water treatment method and system can cause the significant wastage of water resources, also can cause the pure water cost up for preparing.
Summary of the invention
The object of the present invention is to provide a kind of pure water treatment unit, it can make full use of former water in the process of preparation pure water, and the conserve water resource improves the utilization ratio of water, and the clean water after domestic water and two kinds of processing of tap water can be provided.
For realizing goal of the invention, technical scheme of the present invention is:
A kind of pure water treatment unit comprises
One pre-procesor is used for Jiang Yuanshui and carries out large granular impurities such as preliminary treatment removal silt, iron rust;
One reverse-osmosis treated device, the water that is used for handling through described pre-procesor carries out reverse-osmosis treated, further removes impurity, obtains pure water;
The one concentrated water drainage mouth of a river is used to discharge the dense water after the reverse-osmosis treated device is handled;
One water outlet is used to discharge the pure water after the reverse-osmosis treated device is handled; It is characterized in that it also comprises
One dense water treatment device is arranged between the described concentrated water drainage mouth of a river and the pre-procesor, and the dense water recirculation that is used for discharging enters described pre-procesor;
Described dense water treatment device comprises
The recirculated water e Foerderanlage is made up of pipeline, is used to carry the dense water of water-freeing arrangement discharge to preposition water treatment device;
Non-return device is arranged between recirculated water e Foerderanlage and the pre-procesor; And
One water-freeing arrangement is used for discharging the water of circulating water line.
Pure water treatment unit of the present invention, it is characterized in that it further comprises a proofing unit, comprise a detection probes, a microcomputer controller and an electromagnetic valve, described detection probes detects from the current in the preposition water treatment system, described microcomputer controller receives the signal from detection probes, and send signal and open for electromagnetic valve, the signal that described electromagnetic valve sends according to microcomputer controller to carry out draining or close.
Pure water treatment unit of the present invention is characterized in that it further comprises a high-pressure pump, is arranged at before the reverse-osmosis treated device.
Pure water treatment unit of the present invention is characterized in that described preposition water treatment device comprises polypropylene sedimentation and filtration device, activity carbon filtering device and heating-ultraviolet lamp sterilizing unit.
Described pure water treatment unit, described water-freeing arrangement comprises a tap, is arranged at after the pre-procesor, the water of discharge is used for domestic water.
Described pure water treatment unit, it is characterized in that described preposition water treatment device comprises a PP ultra-filtration equipment and a filtering and sterilizing device, described PP ultra-filtration equipment is that polypropylene sedimentation and filtration and combining ultrafiltration are one, described filtering and sterilizing device is that active carbon filtration and ultraviolet lamp sterilization are combined as a whole, and the tap of draining is arranged between PP ultra-filtration equipment and the filtering and sterilizing device.
The present invention also provides a kind of water purification machine concentrated water treatment method, comprises the steps:
1) Jiang Yuanshui carries out pre-process, obtains middle water;
2) the middle water that will obtain is further removed impurity and nuisance through reverse-osmosis treated, obtains pure water;
3) will the dense water recirculation after reverse-osmosis treated enter preposition water treatment, repeating step 1)～2); And
4) in pipeline, discharge in water; Or
5) the TDS value of current in the signal piping, when TDS value during greater than set(ting)value, water in the discharge.
The present invention has realized the cycling and reutilization of dense water in the pure water preparation process, has guaranteed the water quality of pure water simultaneously, can use difference to use domestic water and purified drinking water respectively according to purposes, has made full use of water resources.
Brief description of drawings
Fig. 1 is the schema of pure water treatment unit in the prior art;
Fig. 2 is the synoptic diagram of pure water treatment unit in one embodiment of the present invention;
Fig. 3 is the synoptic diagram of pure water treatment unit in second kind of embodiment of the present invention;
Fig. 4 is the synoptic diagram of pure water treatment unit in the third embodiment of the present invention;
Fig. 5 is the synoptic diagram of pure water treatment unit in the 4th kind of embodiment of the present invention;
Fig. 6 is the control module figure of proofing unit of the present invention;
Fig. 7 is the structural representation of pure water treatment unit of the present invention.
Embodiment
Below in conjunction with accompanying drawing,, describe in detail but do not limit the present invention by description to better embodiment of the present invention.
A preferred embodiment of the present invention as shown in Figure 2, pure water treatment unit 10 comprises pre-procesor 11, high-pressure pump 12, RO reverse-osmosis treated device 13, water during its Central Plains water obtains after pre-process, preliminary filtration in the middle water, processing such as degerming, can be used for domestic water, middle water current flow out pure water to pure water case or tap water tap 14 from water outlet 131 respectively again after the RO reverse-osmosis treated, 132 flow out impure dense water to dense water treatment device from the concentrated water drainage mouth of a river, in this embodiment, dense water treatment device is made up of recirculated water e Foerderanlage 15 and reverse checkvalve 16, and the dense water of discharging through the concentrated water drainage mouth of a river is transported to pre-procesor 11 through the pipeline of recirculated water e Foerderanlage and is mixed into the pre-procesor recycling processing with Yuan Shui.In the process of circular treatment water repeatedly, along with dense water constantly enters system, the content of impurity is inevitable in the water constantly raises, after pre-procesor, be provided with a water-freeing arrangement 17, it can be water tap, middle water after pre-process from then on water tap place is discharged, and can be used for domestic water, and other water continues to enter the pure water that the reverse osmosis unit preparation is used to drink through high-pressure pump.Non-return device 16 can be a reverse checkvalve, is used for preventing the aqueous reflux of recirculated water e Foerderanlage.In the present invention, pre-procesor 11 can comprise a series of filtration, sterilizing unit, for example polypropylene screen filtration, active carbon filtration, ultra-violet sterilization, hollow fiber membrane filtration etc., reverse-osmosis treated device can adopt present commercially available any reverse osmosis membrane to realize.
Another better embodiment of the present invention as shown in Figure 3, identical in the figure parts still adopt with Fig. 2 in same label, and its function no longer carried out repeat specification, quality for current in the Controlling System better, increased proofing unit in this embodiment, by detection probes 61, microcomputer controller 62 and electromagnetic valve 63 are formed, control module figure referring to Fig. 6, detection probes 61 can be arranged in the current road of pre-procesor, detection probes 61 detects TDS (general name of dissolved solids in the water) value of the current in the water route, when TDS greater than set(ting)value, for example during 250ppm, microcomputer controller 62 transmits signal and gives electromagnetic valve 63, opens draining after the electromagnetic valve received signal, and the TDS value that detects water when detection probes is less than or equal to set(ting)value, for example during 250ppm, microcomputer controller obtains instruction, and sends signal and give electromagnetic valve, and the electromagnetic valve dead electricity is closed.In this embodiment, the tap of draining can be set, directly control current by the switch of electromagnetic valve.
In another embodiment shown in Fig. 4, in the pure water treatment system, be provided with the water tap of detection system and draining simultaneously, such benefit is when domestic consumption is big, can come the water quality of Control Circulation water by the draining of water tap, when domestic consumption hour, system guarantees water quality by the switching of electronics valve.The composition of pre-procesor 11 can comprise devices such as polypropylene (PP) sedimentation and filtration, active carbon filtration and ultraviolet lamp sterilization.
Among another embodiment shown in Fig. 5, can be as required the water tap 17 of draining be arranged on after any one treatment unit of pre-procesor.
Fig. 7 shows a concrete structure iron of pure water treatment unit 70 of the present invention, comprise that a polypropylene sedimentation and filtration and combining ultrafiltration are the PP ultra-filtration equipment 71 of one, the filtering and sterilizing device 72 that active carbon filtration and heating-ultraviolet lamp sterilizing unit are combined as a whole, PP ultra-filtration equipment 71 and filtering and sterilizing device 72 have been formed preposition filtration unit, former water enters filtering and sterilizing device 72 and carries out active carbon filtration and germicidal treatment after PP ultra-filtration equipment 71 is handled, water after the pre-process enters reverse osmosis treatment system 75 through high-pressure pump 73, proofing unit 74 is arranged on current and enters in reverse osmosis system 75 pipeline before, pure water current 1 after reverse-osmosis treated enter drinking system 76, waste water 2 enters dense water treatment device, mix with former water through recirculated water transfer line 77 and to enter water treatment device again, drinking system 76 can be set to a tap water tap 761, also may further include the high pressure bucket 762 of a water storage.In circulating water line 77, be provided with the current that a magnetic valve 78 is used for controlling the water route, one reverse checkvalve 79 also is set is used for preventing the aqueous reflux in water route, discharge by the water tap 773 that is arranged between PP ultra-filtration equipment 71 and the filtering and sterilizing device 72 for the middle water that life is used.One display unit 78 can also be set in the Controlling System of water treatment device, a LCD control panel for example, operation that can control device also shows the state of whole device, makes the user use water treatment device of the present invention easily.
Above-mentioned water treatment device of the present invention is an one with polypropylene sedimentation and filtration and combining ultrafiltration, active carbon filtration and ultraviolet sterilization apparatus are combined as a whole, make whole device compact, volume is less, the amount for the treatment of water is big, being suitable for family installs and uses, the pollution that combines and prevented water body after active carbon filtration is removed chlorine of ultra-violet sterilization and active carbon filtration, the dense water treatment device of She Zhiing can effectively utilize water resources again simultaneously, can provide water quality domestic water and the pure water Gong drinking preferably simultaneously for family.
The above description of this invention does not limit the present invention, and those skilled in the art can make various changes and distortion according to specification sheets, only otherwise break away from spirit of the present invention, all should belong to the scope of claims of the present invention.
Claims (8)
1, a kind of pure water treatment unit comprises
One pre-procesor is used for Jiang Yuanshui and carries out preliminary treatment removal impurity;
One reverse-osmosis treated device, the water that is used for handling through described pre-procesor carries out reverse-osmosis treated, further removes impurity, obtains pure water;
The one concentrated water drainage mouth of a river is used to discharge the dense water after the reverse-osmosis treated device is handled;
One water outlet is used to discharge the pure water after the reverse-osmosis treated device is handled; It is characterized in that it also comprises
One dense water treatment device is arranged between the described concentrated water drainage mouth of a river and the preposition water treatment device, and the dense water recirculation that is used for discharging enters described water treatment system;
Described dense water treatment device comprises
The recirculated water e Foerderanlage is made up of pipeline, be used to carry dense water that water-freeing arrangement discharges to before
Put water treatment device;
Non-return device is arranged between recirculated water e Foerderanlage and the pre-procesor; And
One water-freeing arrangement is used for discharging the water of circulating water line.
2, the described pure water treatment unit of claim 1 is characterized in that it further comprises
One proofing unit, comprise a detection probes, a microcomputer controller and an electromagnetic valve, described detection probes detects from the current in the preposition water treatment system, described microcomputer controller receives the signal from detection probes, and send signal and open for electromagnetic valve, the signal that described electromagnetic valve sends according to microcomputer controller to carry out draining or close.
3, the described pure water treatment unit of claim 1 is characterized in that it further comprises a high-pressure pump, is arranged at before the reverse-osmosis treated device.
4, the described pure water treatment unit of claim 2 is characterized in that described preposition water treatment device comprises polypropylene sedimentation and filtration device, activity carbon filtering device and heating-ultraviolet lamp sterilizing unit.
5, the described pure water treatment unit of claim 1, described water-freeing arrangement comprises a tap, is arranged at after the pre-procesor, the water of discharge is used for domestic water.
6, claim 4 or 5 described pure water treatment unit, it is characterized in that described preposition water treatment device comprises a PP ultra-filtration equipment and a filtering and sterilizing device, described PP ultra-filtration equipment is that polypropylene sedimentation and filtration and combining ultrafiltration are one, described filtering and sterilizing device is that active carbon filtration and ultraviolet lamp sterilization are combined as a whole, and the tap of draining is arranged between PP ultra-filtration equipment and the filtering and sterilizing device.
7, the described pure water treatment unit of claim 6 is characterized in that it further comprises a display unit.
8, a kind of water purification machine concentrated water treatment method comprises the steps:
A) Jiang Yuanshui carries out pre-process, obtains middle water;
B) the middle water that will obtain is further removed impurity and nuisance through reverse-osmosis treated, obtains pure water;
C) will the dense water recirculation after reverse-osmosis treated enter preposition water treatment, repeating step 1)～2); And
D) in pipeline, discharge in water; Or
E) the TDS value of current in the signal piping, when TDS value during greater than set(ting)value, water in the discharge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100765085A CN100526225C (en) | 2006-04-30 | 2006-04-30 | Purified water treatment facilities and pure water machine dense water treatment method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100765085A CN100526225C (en) | 2006-04-30 | 2006-04-30 | Purified water treatment facilities and pure water machine dense water treatment method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101062801A true CN101062801A (en) | 2007-10-31 |
| CN100526225C CN100526225C (en) | 2009-08-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2006100765085A Expired - Fee Related CN100526225C (en) | 2006-04-30 | 2006-04-30 | Purified water treatment facilities and pure water machine dense water treatment method |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101993156A (en) * | 2009-08-16 | 2011-03-30 | 杜也兵 | Backwater security method of recycle of thick water discharged from pure water machine |
| CN102295357A (en) * | 2011-05-27 | 2011-12-28 | 张伟斌 | Drinking-water processing equipment |
| CN102649593A (en) * | 2011-02-25 | 2012-08-29 | 刘爱东 | Water-saving water purifier |
| CN102826666A (en) * | 2011-06-15 | 2012-12-19 | 杜也兵 | Water purifier provided with total dissolved solid (TDS) monitoring device, and its water quality monitoring method |
| CN102874941A (en) * | 2011-07-13 | 2013-01-16 | 杜也兵 | Water quality monitoring displaying method of water purifier with coordinate display screen |
| CN102910750A (en) * | 2011-12-02 | 2013-02-06 | 何水兵 | RO (reverse osmosis) water purification system without wastewater discharge |
| CN103241849A (en) * | 2012-02-08 | 2013-08-14 | 杜也兵 | Soluble total solid monitoring device for water purifier |
| CN103304080A (en) * | 2012-03-11 | 2013-09-18 | 杜也兵 | Water purifier provided with soluble total solid monitoring device and monitoring method |
| CN103663817A (en) * | 2013-12-16 | 2014-03-26 | 中国人民解放军总后勤部军需装备研究所 | Comprehensive water treatment system |
| CN103744339A (en) * | 2013-06-24 | 2014-04-23 | 四川海普流体技术有限公司 | Water outgoing control method based on industrial control |
| CN103771602A (en) * | 2012-10-17 | 2014-05-07 | 杜也兵 | Monitoring method of multiprobe soluble total solid monitor in water purifier |
| CN103816807A (en) * | 2014-02-24 | 2014-05-28 | 宁波杜康陶瓷有限公司 | Effluent-free RO water purifier |
| CN105883976A (en) * | 2016-04-29 | 2016-08-24 | 华北理工大学 | Water-saving type intelligent double-membrane water purification machine with function of automatic cleaning |
| CN106957079A (en) * | 2017-04-20 | 2017-07-18 | 温州市鹿城区中津先进科技研究院 | Laser type sewage-treatment plant |
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| KR20130014306A (en) * | 2011-07-28 | 2013-02-07 | 코웨이 주식회사 | Sequencing batch type or batch type water-filtering apparatus and method of operating the same |
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- 2006-04-30 CN CNB2006100765085A patent/CN100526225C/en not_active Expired - Fee Related
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| CN101993156A (en) * | 2009-08-16 | 2011-03-30 | 杜也兵 | Backwater security method of recycle of thick water discharged from pure water machine |
| CN101993156B (en) * | 2009-08-16 | 2013-09-11 | 杜也兵 | Backwater security method of recycle of thick water discharged from pure water machine |
| CN102649593A (en) * | 2011-02-25 | 2012-08-29 | 刘爱东 | Water-saving water purifier |
| CN102295357A (en) * | 2011-05-27 | 2011-12-28 | 张伟斌 | Drinking-water processing equipment |
| CN102826666A (en) * | 2011-06-15 | 2012-12-19 | 杜也兵 | Water purifier provided with total dissolved solid (TDS) monitoring device, and its water quality monitoring method |
| CN102826666B (en) * | 2011-06-15 | 2016-06-01 | 杜也兵 | Water purifier and the filter gall monitoring method of device is monitored with Multi probe total dissolved solid |
| CN102874941B (en) * | 2011-07-13 | 2016-02-03 | 杜也兵 | The water purifier monitoring water quality display packing of coordinate display screen is set |
| CN102874941A (en) * | 2011-07-13 | 2013-01-16 | 杜也兵 | Water quality monitoring displaying method of water purifier with coordinate display screen |
| CN102910750A (en) * | 2011-12-02 | 2013-02-06 | 何水兵 | RO (reverse osmosis) water purification system without wastewater discharge |
| CN103241849A (en) * | 2012-02-08 | 2013-08-14 | 杜也兵 | Soluble total solid monitoring device for water purifier |
| CN103241849B (en) * | 2012-02-08 | 2016-11-02 | 杜也兵 | Multi probe total dissolved solid tracing and monitoring device for water purifier |
| CN103304080A (en) * | 2012-03-11 | 2013-09-18 | 杜也兵 | Water purifier provided with soluble total solid monitoring device and monitoring method |
| CN103771602A (en) * | 2012-10-17 | 2014-05-07 | 杜也兵 | Monitoring method of multiprobe soluble total solid monitor in water purifier |
| CN103744339A (en) * | 2013-06-24 | 2014-04-23 | 四川海普流体技术有限公司 | Water outgoing control method based on industrial control |
| CN103663817A (en) * | 2013-12-16 | 2014-03-26 | 中国人民解放军总后勤部军需装备研究所 | Comprehensive water treatment system |
| CN103663817B (en) * | 2013-12-16 | 2015-02-25 | 中国人民解放军总后勤部军需装备研究所 | Comprehensive water treatment system |
| CN103816807A (en) * | 2014-02-24 | 2014-05-28 | 宁波杜康陶瓷有限公司 | Effluent-free RO water purifier |
| CN103816807B (en) * | 2014-02-24 | 2016-09-07 | 宁波杜康陶瓷有限公司 | A kind of without waste water RO water purifier |
| CN105883976A (en) * | 2016-04-29 | 2016-08-24 | 华北理工大学 | Water-saving type intelligent double-membrane water purification machine with function of automatic cleaning |
| CN105883976B (en) * | 2016-04-29 | 2019-01-08 | 华北理工大学 | A kind of double membrane water purifiers of the water-saving intelligence that band cleans automatically |
| CN106957079A (en) * | 2017-04-20 | 2017-07-18 | 温州市鹿城区中津先进科技研究院 | Laser type sewage-treatment plant |
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|---|---|
| CN100526225C (en) | 2009-08-12 |
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Address after: 518052, Nanshan building, Nanhai Road water group, Shenzhen, Guangdong, Nanshan District 9F Patentee after: Shenzhen deepwater Haina water affair Group Co., Ltd. Address before: 518052, Nanshan building, Nanhai Road water group, Shenzhen, Guangdong, Nanshan District 9F Patentee before: Shenzhen Haina Water Co., Ltd. |
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Address after: 518052, Nanshan building, Nanhai Road water group, Shenzhen, Guangdong, Nanshan District 9F Patentee after: Deep water Haina water group Limited by Share Ltd Address before: 518052, Nanshan building, Nanhai Road water group, Shenzhen, Guangdong, Nanshan District 9F Patentee before: Shenzhen deepwater Haina water affair Group Co., Ltd. |
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Denomination of invention: Purified water treatment facilities and pure water machine dense water treatment method Effective date of registration: 20160603 Granted publication date: 20090812 Pledgee: Shenzhen high tech investment and financing Company limited by guarantee Pledgor: Deep water Haina water group Limited by Share Ltd Registration number: 2016990000474 |
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Denomination of invention: Purified water treatment facilities and pure water machine dense water treatment method Effective date of registration: 20191023 Granted publication date: 20090812 Pledgee: Bank of Beijing Limited by Share Ltd Shenzhen branch Pledgor: Deep water Haina water group Limited by Share Ltd Registration number: Y2019440020015 |
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Denomination of invention: Purified water treatment facilities and pure water machine dense water treatment method Effective date of registration: 20191223 Granted publication date: 20090812 Pledgee: Shenzhen SME financing Company limited by guarantee Pledgor: Deep water Haina water group Limited by Share Ltd Registration number: Y2019990000736 |
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