CN110681213B - Antifreezing water purifying device and control method thereof - Google Patents
Antifreezing water purifying device and control method thereof Download PDFInfo
- Publication number
- CN110681213B CN110681213B CN201810741515.5A CN201810741515A CN110681213B CN 110681213 B CN110681213 B CN 110681213B CN 201810741515 A CN201810741515 A CN 201810741515A CN 110681213 B CN110681213 B CN 110681213B
- Authority
- CN
- China
- Prior art keywords
- water
- salt
- electromagnetic valve
- water inlet
- opened
- 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.)
- Active
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 146
- 238000000034 method Methods 0.000 title claims abstract description 12
- 150000003839 salts Chemical class 0.000 claims abstract description 77
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical class O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 claims abstract description 17
- 238000007710 freezing Methods 0.000 claims abstract description 9
- 238000001514 detection method Methods 0.000 claims description 19
- 238000000746 purification Methods 0.000 claims description 16
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 8
- 229920006395 saturated elastomer Polymers 0.000 claims description 8
- 239000002351 wastewater Substances 0.000 claims description 7
- 229920000742 Cotton Polymers 0.000 claims description 5
- 230000002528 anti-freeze Effects 0.000 claims description 4
- 238000011010 flushing procedure Methods 0.000 claims description 4
- 238000001471 micro-filtration Methods 0.000 claims description 4
- 238000000108 ultra-filtration Methods 0.000 claims description 4
- 230000001960 triggered effect Effects 0.000 claims description 3
- 238000001914 filtration Methods 0.000 abstract description 11
- 238000002955 isolation Methods 0.000 abstract description 5
- 239000012267 brine Substances 0.000 abstract description 4
- 208000001034 Frostbite Diseases 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 4
- 238000005265 energy consumption Methods 0.000 description 4
- 230000008014 freezing Effects 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 1
- DWAQJAXMDSEUJJ-UHFFFAOYSA-M Sodium bisulfite Chemical compound [Na+].OS([O-])=O DWAQJAXMDSEUJJ-UHFFFAOYSA-M 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 239000003651 drinking water Substances 0.000 description 1
- 235000020188 drinking water Nutrition 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000008213 purified water Substances 0.000 description 1
- 229910000030 sodium bicarbonate Inorganic materials 0.000 description 1
- 235000017557 sodium bicarbonate Nutrition 0.000 description 1
- 235000010267 sodium hydrogen sulphite Nutrition 0.000 description 1
- 239000004289 sodium hydrogen sulphite Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D37/00—Processes of filtration
- B01D37/04—Controlling the filtration
- B01D37/048—Controlling the filtration by temperature measuring
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
- B01D35/14—Safety devices specially adapted for filtration; Devices for indicating clogging
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D37/00—Processes of filtration
- B01D37/04—Controlling the filtration
- B01D37/041—Controlling the filtration by clearness or turbidity measuring
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Water Treatment By Sorption (AREA)
Abstract
The utility model provides a purifier prevents frostbite, includes water inlet pipeline (11), outlet pipe way (12), filtration module (1) and outlet valve (4), its characterized in that the device still includes salt case (3), is equipped with the isolation layer that can lead to water in this salt case, and this isolation layer is divided into salt room and saturated brine room with the salt case, and the water inlet end of aforesaid salt room (3) is connected with water inlet pipeline one end through first branch pipe (31), and the water outlet end of aforesaid saturated brine room is connected with the other end of water inlet pipeline (11). The utility model also discloses a control method of the anti-freezing water purifying device. The brine in the salt box enters the filtering module and the water inlet pipeline, so that the water ice-making temperature in the filtering module and the water inlet pipeline is reduced, and the anti-freezing purpose is realized.
Description
Technical Field
The utility model relates to a water purifying device, in particular to a water purifying device capable of preventing water from freezing.
Background
Because of environmental pollution and water quality deterioration, water purification products are increasingly attracting attention, and water purification products gradually enter thousands of households. The water purification product brings clean drinking water to people and also brings hidden danger, such as flooding of the house floor caused by water leakage of the water purifier. Such accidents are caused by external environmental factors in addition to quality problems of the purified water product itself, parts and the like. If the environmental temperature is low, the water purifying product filter element and the management inner water are frozen, the volume is increased, the filter element or the pipeline is broken, and the water leakage accident occurs. This risk is even more serious, especially in places where there is no heating facility like heating in the room.
Therefore, a water purification product capable of preventing the water purification product waterway system from being frozen is needed, so that on one hand, the water leakage accident caused by the rupture of the waterway system due to the freezing of the pipeline can be avoided, and on the other hand, the condition that water cannot be taken due to the freezing of the pipeline can be avoided.
The Chinese patent No. ZL201520435643.9 (issued patent No. CN 204779190U) discloses a liftable water purifier, wherein an air inlet is arranged on a water outlet pipe of the patent, a heating device is arranged on the air inlet, the heating device is connected with an air source, heated air is introduced from the air inlet, the inside of the water purifier can be dried, and freezing and cracking of the inside of the water purifier can be prevented. The design of the patent can solve the problem of icing, but the whole design is complex, and the heater needs to be additionally provided with power, so that the energy consumption is high, the whole manufacturing cost is high, and the popularization and the application are not easy.
Disclosure of Invention
The utility model aims to solve the technical problem of providing an antifreezing water purifying device which can reduce the water ice-forming temperature by entering brine into a filtering module.
Another technical problem to be solved by the present utility model is to provide an antifreezing water purifier with compact structure and low energy consumption.
A further technical problem to be solved by the present utility model is to provide a control method of an anti-freezing water purifying device for reducing the water ice temperature by entering brine into a filtering module.
Another technical problem to be solved by the present utility model is to provide a control method of an antifreezing water purifier with compact structure and low energy consumption, aiming at the above state of the art.
The technical scheme adopted for solving the technical problems is as follows: the utility model provides a water purification installation prevents frostbite, including water inlet pipeline, water outlet pipeline, filtration module and water outlet valve, foretell filtration module has water inlet port and water purification port, foretell water inlet port is connected with water inlet pipeline, foretell water purification end is connected with water outlet valve through water outlet pipeline, characterized in that this device still includes the salt case, this salt incasement is equipped with the isolation layer that can lead to water, this isolation layer divide into salt case and throws salt room and saturated brine room, the water inlet end of aforesaid throwing salt room is connected with water inlet pipeline one end through first branch pipe, the water outlet end of aforesaid saturated brine room is connected with the other end of water inlet pipeline, be equipped with first solenoid valve on the aforesaid first branch pipe, the relative salt case is connected with the second solenoid valve on the water inlet pipeline in parallel, the water outlet pipeline on be connected with waste water pipeline, be equipped with the third solenoid valve on this waste water pipeline.
Further, the second branch pipe is provided with a one-way valve which can prevent water from reversely entering the saturated brine chamber.
The waterway flushing time is judged through TDS, a first TDS detection head is connected in parallel to the salt tank on the water inlet pipeline, correspondingly, a second TDS detection head is arranged on the water outlet pipeline, and the first TDS detection head and the second TDS detection head are connected with a controller.
Preferably, the filter module is a microfiltration module, an ultrafiltration module, a PP cotton filter element or an active carbon filter element.
To prevent the overflow of salt, two schemes can be adopted:
first, saturated brine room be close to the top and be equipped with the overflow pipe.
Second, throw the salt room be equipped with the case lid that can open and close, be equipped with hall sensor on this case lid, saturated brine room still is connected with the drain pipe, is equipped with the aforesaid hall sensor on this drain pipe and triggers the fourth solenoid valve that can open afterwards.
Preferably, the filter module is a microfiltration module, an ultrafiltration module, a PP cotton filter element or an active carbon filter element.
A control method of an antifreezing water purification device comprises the following steps:
when the temperature sensor detects that the room temperature is lower than the set temperature, after the duration time reaches the preset time, the first electromagnetic valve is opened, the third electromagnetic valve is opened, water flows through the first branch pipe, the salt tank and the second branch pipe and then enters the filtering module, after the duration time is set, the first electromagnetic valve is closed, the third electromagnetic valve is closed, and the salt adding operation is completed;
when water is needed to be discharged, the controller firstly judges whether salt adding operation is finished, after the salt adding operation is confirmed to be finished, the second electromagnetic valve is opened, the third electromagnetic valve is opened, after the set time is continued, the third electromagnetic valve is closed, and the water outlet valve discharges water.
A control method of an antifreezing water purification device comprises the following steps:
when the temperature sensor detects that the room temperature is lower than the set temperature, after the duration time reaches the preset time, the first electromagnetic valve is opened, the third electromagnetic valve is opened, water flows through the first branch pipe, the salt tank and the second branch pipe and then enters the filtering module, after the duration time is set, the first electromagnetic valve is closed, the third electromagnetic valve is closed, and the salt adding operation is completed;
when the water is required to be discharged, the controller firstly judges whether the salt adding operation is finished, and after the salt adding operation is confirmed to be finished, when the difference between the TDS value obtained by the first TDS detection head and the TDS value obtained by the second TDS detection head is smaller than a set value, the controller judges that the flushing is finished, and the third electromagnetic valve is closed, so that the water is discharged from the water outlet valve.
Compared with the prior art, the utility model has the advantages that: the brine in the salt tank enters the filtering module and the water inlet pipeline, so that the water ice-forming temperature in the filtering module and the water inlet pipeline is reduced, the anti-freezing purpose is realized, the influence on the original pipeline is small, the design is compact, and the energy consumption is low.
Drawings
Fig. 1 is a schematic structural diagram of embodiment 1.
Fig. 2 is a control schematic diagram of embodiment 1.
Fig. 3 is a schematic structural diagram of embodiment 2.
Fig. 4 is a control schematic diagram of embodiment 2.
Detailed Description
The utility model is described in further detail below with reference to the embodiments of the drawings.
In embodiment 1, as shown in fig. 1 and 2, the antifreeze water purifying device in this embodiment includes a water inlet pipeline 11, a water outlet pipeline 12, a filter module 1, a water outlet valve 4, a salt tank 3, a controller 10 and a temperature sensor 100 for detecting room temperature, wherein the filter module 1 has a water inlet port, a wastewater outlet port and a water purifying port, the water inlet port is connected with the water inlet pipeline 11, the water purifying end is connected with the water outlet valve 4 through the water outlet pipeline 12, and the water outlet valve 4 can adopt a common tap.
The salt tank 3 is internally provided with an isolating layer 3c capable of communicating water, the isolating layer 3c divides the salt tank 3 into a salt throwing chamber 3a and a saturated salt water chamber 3b, the water inlet end of the salt throwing chamber 3a is connected with one end of a water inlet pipeline 11 through a first branch pipe 31, the water outlet end of the saturated salt water chamber 3b is connected with the other end of the water inlet pipeline 11, a first electromagnetic valve 21 is arranged on the first branch pipe 31, a second electromagnetic valve 22 is connected in parallel with the salt tank 3 on the water inlet pipeline 11, a waste water pipeline 13 is connected on the water outlet pipeline 12, and a third electromagnetic valve 23 is arranged on the waste water pipeline 13. The isolation layer 3c in this embodiment may be PP cotton, fiber activated carbon, or the like, which can block salt, but can be filled with water, and as long as salt is present in the salt-adding chamber, the salt in the saturated brine chamber is in a saturated state.
The second branch pipe 32 is provided with a check valve 5 for preventing water from reversely entering the saturated brine chamber 3 b. The temperature sensor 100 is used for detecting room temperature, and the controller 10 is in control connection with the first electromagnetic valve 21, the second electromagnetic valve 22, the third electromagnetic valve 23 and the temperature sensor 100. A salt concentration sensor 3d is provided in the saturated brine chamber 3b, and the salt concentration sensor 3d is connected to the controller 10. When the salt concentration is reduced, the customer can be reminded of the addition.
The filter module 1 in this embodiment may be a microfiltration module, an ultrafiltration module, a PP cotton filter cartridge or an activated carbon filter cartridge.
The salt feeding chamber 3a is provided with a box cover 34 which can be opened and closed, a Hall sensor 35 is arranged on the box cover 34, the saturated salt water chamber 3b is also connected with a drain pipe 33, and the drain pipe 33 is provided with a fourth electromagnetic valve 24 which can be opened after the Hall sensor 35 is triggered. When salt is required to be added, the box cover 34 is opened, the Hall sensor 35 is triggered, the fourth electromagnetic valve 24 is opened, liquid in the salt box 3 is discharged, and overflow in the salt adding process is prevented. The above structure can of course be replaced by an overflow pipe, i.e. the saturated brine chamber 3b is provided with an overflow pipe near the top.
Salt substances harmless to human body, such as edible salt, soda, baking soda, sodium bisulphite, etc. can be put into the salt box 3.
The control method comprises the following steps:
when the temperature sensor 100 detects that the room temperature is lower than the set temperature (for example, 5 ℃), after the duration reaches the preset time (for example, 10 seconds), the first electromagnetic valve 21 is opened, the third electromagnetic valve 23 is opened, water flows into the filter module 1 after passing through the first branch pipe 31, the salt tank 3 and the second branch pipe 32, after the duration is set (for example, 10 seconds), the first electromagnetic valve 21 is closed, the third electromagnetic valve 23 is closed, and the salt adding operation is completed;
when the water is required to be discharged, the controller 10 firstly judges whether the salt adding operation is finished, after the salt adding operation is confirmed to be finished, the second electromagnetic valve 22 is opened, the third electromagnetic valve 23 is opened, after a set time (such as 10 seconds), the third electromagnetic valve 23 is closed, and the water outlet valve 4 discharges water.
In embodiment 2, as shown in fig. 3 and 4, a first TDS detection head 61 is connected in parallel to the salt tank 3 on the water inlet pipeline 11 in this embodiment, and correspondingly, a second TDS detection head 62 is provided on the water outlet pipeline 12, and both the first TDS detection head 61 and the second TDS detection head 62 are connected to the controller 10. Other structures refer to embodiment 1.
The control method comprises the following steps:
when the temperature sensor 100 detects that the room temperature is lower than the set temperature, after the duration time reaches the preset time, the first electromagnetic valve 21 is opened, the third electromagnetic valve 23 is opened, water flows into the filter module 1 after passing through the first branch pipe 31, the salt tank 3 and the second branch pipe 32, after the duration time is set, the first electromagnetic valve 21 is closed, the third electromagnetic valve 23 is closed, and the salt adding operation is completed;
when the water is required to be discharged, the controller 10 firstly judges whether the salt adding operation is finished, after the salt adding operation is confirmed, when the difference between the TDS value obtained by the first TDS detection head 61 and the TDS value obtained by the second TDS detection head 62 is smaller than the set value, the flushing is judged to be finished, the third electromagnetic valve 23 is closed, and the water outlet valve 4 is discharged.
Example 1 was judged by the set time, and this example was judged by TDS (total dissolved solids) detection.
Claims (7)
1. An antifreezing water purification device comprises a water inlet pipeline (11), a water outlet pipeline (12), a filter module (1) and a water outlet valve (4), wherein the filter module (1) is provided with a water inlet port and a water purification port, the water inlet port is connected with the water inlet pipeline (11), the water purification port is connected with the water outlet valve (4) through the water outlet pipeline (12), the antifreezing water purification device is characterized by further comprising a salt tank (3), an isolating layer (3 c) capable of leading water is arranged in the salt tank (3), the isolating layer (3 c) divides the salt tank (3) into a salt feeding chamber (3 a) and a saturated salt water chamber (3 b), the water inlet end of the salt feeding chamber (3 a) is connected with one end of the water inlet pipeline (11) through a first branch pipe (31), the water outlet end of the saturated salt water chamber (3 b) is connected with the other end of the water inlet pipeline (11) through a second branch pipe, a first electromagnetic valve (21) is arranged on the first branch pipe (31), a second electromagnetic valve (22) is arranged on the water inlet pipeline (11) in parallel with the salt tank (3), and a waste water pipe (13) is connected with a waste water pipe (13);
the device also comprises a controller (10) and a temperature sensor (100) for detecting the room temperature, wherein the controller (10) is in control connection with the first electromagnetic valve (21), the second electromagnetic valve (22), the third electromagnetic valve (23) and the temperature sensor (100);
the water inlet pipeline (11) is connected with a first TDS detection head (61) in parallel relative to the salt tank (3), correspondingly, the water outlet pipeline (12) is provided with a second TDS detection head (62), and the first TDS detection head (61) and the second TDS detection head (62) are connected with the controller (10);
the saturated brine chamber (3 b) is internally provided with a salt concentration sensor (3 d), and the salt concentration sensor (3 d) is connected with the controller (10).
2. The antifreeze water purifying device according to claim 1, wherein the second branch pipe (32) is provided with a check valve (5) for preventing water from reversely entering the saturated brine chamber (3 b).
3. The antifreezing water purification device according to claim 1, characterized in that the filter module (1) is a microfiltration module, an ultrafiltration module, a PP cotton filter element or an activated carbon filter element.
4. An anti-freezing water purifying device according to any one of claims 1 to 3, characterized in that the saturated salt water chamber (3 b) is provided with an overflow pipe near the top.
5. A freeze protection water purification device according to any one of claims 1-3, characterized in that the salt feeding chamber (3 a) is provided with a cover (34) which can be opened and closed, the cover (34) is provided with a hall sensor (35), the saturated salt water chamber (3 b) is further connected with a drain pipe (33), and the drain pipe (33) is provided with a fourth electromagnetic valve (24) which can be opened after the hall sensor (35) is triggered.
6. A control method of the antifreeze water purifying apparatus as claimed in claim 1, comprising the steps of:
when the temperature sensor (100) detects that the room temperature is lower than the set temperature, after the duration reaches the preset time, the first electromagnetic valve (21) is opened, the third electromagnetic valve (23) is opened, water flows through the first branch pipe (31), the salt box (3) and the second branch pipe (32) and then enters the filter module (1), after the duration is set, the first electromagnetic valve (21) is closed, the third electromagnetic valve (23) is closed, and the salt adding operation is completed;
when water is required to be discharged, the controller (10) firstly judges whether the salt adding operation is finished, after the salt adding operation is confirmed to be finished, the second electromagnetic valve (22) is opened, the third electromagnetic valve (23) is opened, after the set time is continued, the third electromagnetic valve (23) is closed, and the water outlet valve (4) discharges water.
7. A control method of the antifreeze water purifying apparatus as claimed in claim 1, comprising the steps of:
when the temperature sensor (100) detects that the room temperature is lower than the set temperature, after the duration reaches the preset time, the first electromagnetic valve (21) is opened, the third electromagnetic valve (23) is opened, water flows through the first branch pipe (31), the salt box (3) and the second branch pipe (32) and then enters the filter module (1), after the duration is set, the first electromagnetic valve (21) is closed, the third electromagnetic valve (23) is closed, and the salt adding operation is completed;
when water is required to be discharged, the controller (10) firstly judges whether salt adding operation is finished, after the salt adding operation is confirmed to be finished, the second electromagnetic valve (22) is opened, the third electromagnetic valve (23) is opened, when the difference between the TDS value obtained by the first TDS detection head (61) and the TDS value obtained by the second TDS detection head (62) is smaller than a set value, flushing is judged to be finished, and the third electromagnetic valve (23) is closed, so that water is discharged from the water outlet valve (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810741515.5A CN110681213B (en) | 2018-07-06 | 2018-07-06 | Antifreezing water purifying device and control method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810741515.5A CN110681213B (en) | 2018-07-06 | 2018-07-06 | Antifreezing water purifying device and control method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110681213A CN110681213A (en) | 2020-01-14 |
| CN110681213B true CN110681213B (en) | 2023-10-20 |
Family
ID=69107396
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810741515.5A Active CN110681213B (en) | 2018-07-06 | 2018-07-06 | Antifreezing water purifying device and control method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110681213B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114044580A (en) * | 2021-11-08 | 2022-02-15 | 湖南清渟科技有限公司 | Campus water dispenser and control method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201729701U (en) * | 2010-04-09 | 2011-02-02 | 田禾 | Water demineralizer convenient for site assembly |
| CN104828994A (en) * | 2015-05-11 | 2015-08-12 | 中通汽车工业集团有限责任公司 | Vehicle-mounted type sewage recycling system |
| CN204728397U (en) * | 2015-07-02 | 2015-10-28 | 中国矿业大学 | Underground filter pipe |
| CN206538859U (en) * | 2017-01-18 | 2017-10-03 | 温州市龙湾建设园林绿化工程有限公司 | A kind of urban rainwater pipeline purged with fresh water collection device |
| CN208883591U (en) * | 2018-07-06 | 2019-05-21 | 宁波方太厨具有限公司 | A kind of antifreeze purifier |
-
2018
- 2018-07-06 CN CN201810741515.5A patent/CN110681213B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201729701U (en) * | 2010-04-09 | 2011-02-02 | 田禾 | Water demineralizer convenient for site assembly |
| CN104828994A (en) * | 2015-05-11 | 2015-08-12 | 中通汽车工业集团有限责任公司 | Vehicle-mounted type sewage recycling system |
| CN204728397U (en) * | 2015-07-02 | 2015-10-28 | 中国矿业大学 | Underground filter pipe |
| CN206538859U (en) * | 2017-01-18 | 2017-10-03 | 温州市龙湾建设园林绿化工程有限公司 | A kind of urban rainwater pipeline purged with fresh water collection device |
| CN208883591U (en) * | 2018-07-06 | 2019-05-21 | 宁波方太厨具有限公司 | A kind of antifreeze purifier |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110681213A (en) | 2020-01-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205613286U (en) | Control wastewater discharge's water preparation system is detected through waste water TDS | |
| CN110681212B (en) | Antifreezing water purifier and control method thereof | |
| CN101904689A (en) | Complete water dispenser of water purifier | |
| CN103086527A (en) | Leak-proof water purifier | |
| CN106277206B (en) | Water purifying drinking machine | |
| CN110681213B (en) | Antifreezing water purifying device and control method thereof | |
| CN202369465U (en) | Drainage function integrated membrane separation water purifier | |
| CN110721591B (en) | Antifreezing water purifying device and control method thereof | |
| CN105084465B (en) | Reverse osmosis water purification system and wastewater discharge control method thereof | |
| CN208120789U (en) | A kind of water purification machine judging automatically the RO membrane filter service life | |
| CN208883591U (en) | A kind of antifreeze purifier | |
| CN208878072U (en) | A kind of antifreeze purifier | |
| CN204897386U (en) | Water storage device and water purification system | |
| CN109052768B (en) | Villa type integrated quality-dividing central water purifying system | |
| CN111115927A (en) | Plateau type heat-preservation and water-purification integrated equipment | |
| CN208878071U (en) | Antifreeze purifier | |
| CN109231648A (en) | A kind of micro- waste water reverse osmosis water purifier for being not easy stifled film and saving filter core consumptive material | |
| CN208732760U (en) | Purifier | |
| CN211644927U (en) | Plateau type heat-preservation and water-purification integrated equipment | |
| CN215216821U (en) | Integrated water purification refrigerator | |
| CN203683297U (en) | Energy-saving reverse osmosis water purification equipment with activated carbon backflushing and flushing functions | |
| CN204073856U (en) | A kind of without pump, energy-saving and water-saving type single flow family expenses nano-filtration water purifier | |
| CN105461016A (en) | Install-free RO (Reverse Osmosis) water dispenser system capable of automatically emptying water purifying tank and control method thereof | |
| CN203295276U (en) | High-efficiency river water source water purifier | |
| CN106698593A (en) | Method for refreshing water of water tank of water purifier |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |