CN210495949U - Reverse osmosis system of water purifier capable of performing back flushing - Google Patents

Reverse osmosis system of water purifier capable of performing back flushing Download PDF

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Publication number
CN210495949U
CN210495949U CN201920317948.8U CN201920317948U CN210495949U CN 210495949 U CN210495949 U CN 210495949U CN 201920317948 U CN201920317948 U CN 201920317948U CN 210495949 U CN210495949 U CN 210495949U
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China
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water
reverse osmosis
filter element
osmosis filter
solenoid valve
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CN201920317948.8U
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Chinese (zh)
Inventor
陈小平
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Guangdong Lizi Technology Co Ltd
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Foshan Viomi Electrical Technology Co Ltd
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Abstract

The utility model discloses a reverse osmosis system of a water purifier capable of back flushing, which is provided with a reverse osmosis filter element, wherein a pressure tank is arranged at the water production side of the reverse osmosis filter element, the pressure tank and a carbon rod are arranged at the water production side of the reverse osmosis filter element, and the pressure tank and the carbon rod are both connected with a water production port of the reverse osmosis filter element; the utility model discloses a be provided with the overhead tank, the pure water of overhead tank can wash reverse osmosis filter core dense water side, and its salt concentration greatly reduced of time is equal or slightly higher until with product water side concentration, because membrane both sides salt concentration is all very low, can prevent effectively that salt infiltration phenomenon, has solved reverse osmosis water purification machine system and has produced the too high problem of water side salinity when opening, makes the system guarantee stable product water quality of water all the time.

Description

Reverse osmosis system of water purifier capable of performing back flushing
Technical Field
The utility model relates to a domestic water treatment technical field, in particular to water purifier reverse osmosis system that can back flush.
Background
Along with the development of economy in China, the pollution of water resources is more and more serious, the water quality of municipal tap water cannot meet the requirements of people, and more people choose to buy the water purifier to ensure the safety of drinking water.
The widely used is reverse osmosis membrane technology among present domestic water purification technology, and domestic reverse osmosis water purifier is when out of work, and thick water side salt concentration compares and produces the water side and will be higher more than 20-100 times, and under the osmotic pressure effect, salt can be followed and permeated membrane hole and permeate to produce water one side, leads to producing water salt concentration and rise. During the next operation of the water purifier, the conductivity of the part of the permeated salt can be increased in a certain stage of water production (generally, the first 100-300 ml of water), and according to data, after the reverse osmosis water purifier stops operating for 24 hours, the initial output TDS is instantly as high as 150ppm and higher than the TDS value of the input water by 130ppm, the first cup of water received by a user usually reaches less than 90% of desalination rate, and on the contrary, higher calcium and magnesium ions exist, and scaling phenomenon can be found during water boiling.
Therefore, in order to overcome the defects in the prior art, a reverse osmosis system of a water purifier capable of performing back flushing is needed.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects in the prior art, providing a reverse osmosis system of a water purifier capable of back flushing, which can ensure the stability of the water quality of produced water in a reverse osmosis water purifier.
In order to achieve the above purpose, the technical scheme of the utility model is as follows:
a reverse osmosis system of a water purifier capable of performing back flushing is provided with a reverse osmosis filter element, and the water production side of the reverse osmosis filter element is communicated with a pressure tank.
In order to further realize the utility model discloses, the water side is produced to the reverse osmosis filter core is provided with the carbon-point, the overhead tank sets up between the water mouth and the carbon-point of producing of reverse osmosis filter core.
In order to further realize the utility model discloses, reverse osmosis filter core raw water side is provided with the water pump, the dense water side of reverse osmosis filter core is provided with wastewater discharge pipe.
In order to further realize the utility model discloses, the former mouth of a river of reverse osmosis filter core is connected with the play water end of water pump, the dense mouth of a river of reverse osmosis filter core is connected with waste water discharge pipe.
In order to further realize the utility model discloses, be provided with the water storage tank, the end of intaking of water storage tank is connected with the dense mouth of a river of reverse osmosis filter core, the play water end of water storage tank is connected with the end of intaking of water pump.
In order to further realize the utility model discloses, be provided with first two-way solenoid valve between the dense mouth of a river of reverse osmosis filter core and the waste water discharge pipe, be provided with second two-way solenoid valve between the dense mouth of a river of reverse osmosis filter core and the water storage tank.
In order to further realize the utility model discloses, first two solenoid valve is diaphragm two solenoid valve.
In order to further realize the utility model discloses, be provided with the controller, first two lead to solenoid valve and second two lead to the solenoid valve all with controller electric connection.
In order to further realize the utility model, the first two-way electromagnetic valve and the second two-way electromagnetic valve are both in a normally open state, and if the water pump is started, the controller controls the second two-way electromagnetic valve to be closed; and if the water pump stops working, the controller controls the first two-way electromagnetic valve to be closed.
In order to further realize the utility model, the first two-way solenoid valve and the second two-way solenoid valve are both in a normally closed state, and if the water pump is started, the controller controls the first two-way solenoid valve to be started; and if the water pump stops working, the controller controls the second two-way electromagnetic valve to be opened.
Advantageous effects
The utility model is provided with the pressure tank, the pressure tank is filled with air in the initial state, and the pressure tank on the water producing side is filled with pure water when the water pump works; at the water pump stop work during, system's pressure reduces to zero very fast, and produce water lateral pressure jar in pure water because the pressure effect, see through reverse osmosis membrane and flow to the dense water side, discharge completely until the overhead tank pure water, the pressure drop is zero, reverse osmosis filter core dense water side is because the washing of pure water this moment, salt concentration greatly reduced, until with produce water lateral concentration equivalent or slightly higher, because membrane both sides salt concentration is all very low, can effectively prevent the salt infiltration phenomenon, the problem of producing water lateral salt height when having solved reverse osmosis water purification machine system and opening, make the system guarantee stable product water quality of water all the time.
Drawings
FIG. 1 is a schematic structural view of a reverse osmosis system of a water purifier capable of performing back flushing;
fig. 2 is a schematic circuit connection diagram of the reverse osmosis system of the water purifier capable of back flushing.
Fig. 1 to 2 include:
a reverse osmosis filter element 1;
a pressure tank 2;
a water storage tank 3;
a carbon rod 4;
a water pump 5;
a controller 6;
a waste water discharge pipe 7;
a first two-way solenoid valve 8;
a second two-way solenoid valve 9.
Detailed Description
The invention will be described in further detail with reference to the accompanying drawings, which are simplified schematic drawings and only schematically illustrate the basic structure of the invention.
Example 1
As shown in fig. 1-2, the utility model provides a water purifier reverse osmosis system that can backwash is provided with reverse osmosis filter core 1, overhead tank 2, water storage tank 3, carbon-point 4, water pump 5 and controller 6, wherein:
the reverse osmosis filter element 1 is provided with a reverse osmosis membrane which is an artificial semipermeable membrane with certain characteristics and is made of a simulated biological semipermeable membrane, specifically, the reverse osmosis membrane is made of cellulose acetate or aromatic polyamide, and the aperture size of the reverse osmosis membrane is 0.0001-0.001 mu m.
The water side is produced to reverse osmosis filter core 1 and is provided with overhead tank 2 and carbon-point 4, and overhead tank 2 and carbon-point 4 all are connected with reverse osmosis filter core 1's product water mouth.
The raw water side of the reverse osmosis filter element 1 is provided with a water pump 5, the water outlet end of the water storage tank 3 is connected with the water inlet end of the water pump 5, the concentrated water side of the reverse osmosis filter element 1 is provided with a wastewater discharge pipe 7, and the concentrated water opening of the reverse osmosis filter element 1 is connected with the wastewater discharge pipe 7.
The end of intaking of water storage tank 3 is connected with the dense mouth of a river of reverse osmosis filter core 1, and the play water end of water storage tank 3 is connected with the end of intaking of water pump 5, is provided with first two-way solenoid valve 8 between the dense mouth of a river of reverse osmosis filter core 1 and waste water discharge pipe 7, specifically, first two-way solenoid valve 8 is the two solenoid valve of diaphragm, can effectively reduce the risk of the 8 scale deposits of first two-way solenoid valve, is provided with second two-way solenoid valve 9 between the dense mouth of a river of reverse osmosis filter core 1 and water storage tank 3.
The first two-way electromagnetic valve 8 and the second two-way electromagnetic valve 9 are electrically connected with the controller 6, the first two-way electromagnetic valve 8 and the second two-way electromagnetic valve 9 are in a normally open state, and if the water pump 5 is started, the controller 6 controls the second two-way electromagnetic valve 9 to be closed; if the water pump 5 stops working, the controller 6 controls the first two-way electromagnetic valve 8 to be closed.
The water capacity of the pressure tank 2 and the water storage tank 3 is 200-1500 ml.
The controller 6 is of the type HH-N05S, HH-N20S, HH-N40S, HH-DA10D or MT8516, it should be noted that the controller 9 is not a main inventive point of the present application, and any controller capable of realizing the function of controlling the working condition of the electromagnetic valve can be used as the controller in the present embodiment, and the selection of the type of the controller is a routine choice for those skilled in the art, and will not be described herein again.
In the embodiment, the pressure tank is arranged, the pressure tank is filled with air in the initial state, and the pressure tank on the water production side is filled with pure water when the water pump works; at the water pump stop work during, system's pressure reduces to zero very fast, and produce water lateral pressure jar in pure water because the pressure effect, see through reverse osmosis membrane and flow to the dense water side, discharge completely until the overhead tank pure water, the pressure drop is zero, reverse osmosis filter core dense water side is because the washing of pure water this moment, salt concentration greatly reduced, until with produce water lateral concentration equivalent or slightly higher, because membrane both sides salt concentration is all very low, can effectively prevent the salt infiltration phenomenon, the problem of producing water lateral salt height when having solved reverse osmosis water purification machine system and opening, make the system guarantee stable product water quality of water all the time.
According to measurement, when the pressure tank is not provided, after the reverse osmosis stops working for 24 hours, the initial water outlet TDS is instantly as high as 150ppm (130 ppm of inlet water), after the pressure tank is used, the TDS on the concentrated water side is reduced to be below 20ppm, and after the reverse osmosis stops working for 24 hours, the initial water outlet TDS is kept below 30 ppm. Through being provided with the water storage tank, when using the overhead tank to carry out the back flush, the water storage tank can be used to the storage and arranges the washing waste water to the dense water side of reverse osmosis filter core, and at next water pump during operation, the water pump suction that water in the water storage tank can pass through gets into the reverse osmosis filter core, the output pure water to prevent the back flush waste water of system and discharge, improve the water efficiency of water purifier.
Example 2
The utility model provides a reverse osmosis system of a water purifier capable of back flushing, which has the same other characteristics as the embodiment 1, except that in the embodiment, a first two-way electromagnetic valve 8 and a second two-way electromagnetic valve 9 are both in a normally closed state, if a water pump 5 is opened, a controller 6 controls the first two-way electromagnetic valve 8 to be opened; if the water pump 5 stops working, the controller 6 controls the second two-way electromagnetic valve 9 to be opened.
Example 3
The utility model provides a water purification machine reverse osmosis system with demineralizer, other characteristics are the same with embodiment 1, the difference is that reverse osmosis filter core sets up 1 and is provided with two reverse osmosis membrane.
The reverse osmosis of the reverse osmosis cartridge 1 is better than that of example 1.
The above is only the preferred embodiment of the present invention, the present invention is not limited to the above embodiment, there may be local minor structural modification in the implementation process, if it is right that various modifications or variations of the present invention do not depart from the spirit and scope of the present invention, and belong to the claims and the equivalent technical scope of the present invention, then the present invention is also intended to include these modifications and variations.

Claims (7)

1. A reverse osmosis system of a water purifier capable of back flushing is provided with a reverse osmosis filter element and is characterized in that the water producing side of the reverse osmosis filter element is communicated with a pressure tank;
the raw water side of the reverse osmosis filter element is provided with a water pump, and the concentrated water side of the reverse osmosis filter element is provided with a wastewater discharge pipe;
the reverse osmosis filter element is provided with a water storage tank, the water inlet end of the water storage tank is connected with the concentrated water inlet of the reverse osmosis filter element, and the water outlet end of the water storage tank is connected with the water inlet end of the water pump;
a first two-way electromagnetic valve is arranged between the concentrated water port of the reverse osmosis filter element and the wastewater discharge pipe, and a second two-way electromagnetic valve is arranged between the concentrated water port of the reverse osmosis filter element and the water storage tank.
2. The backflushable water purifier reverse osmosis system of claim 1, wherein the reverse osmosis filter element produces water and a carbon rod is disposed on the water producing side of the reverse osmosis filter element, and the pressure tank is disposed between the water producing port of the reverse osmosis filter element and the carbon rod.
3. The backwashing water purifier reverse osmosis system of claim 2, wherein a raw water port of the reverse osmosis filter element is connected to a water outlet end of a water pump, and a concentrate water port of the reverse osmosis filter element is connected to a wastewater discharge pipe.
4. The backflushable water purifier reverse osmosis system of claim 1, wherein the first two-way solenoid valve is a diaphragm two-way solenoid valve.
5. The backflushable water purifier reverse osmosis system of claim 4, wherein a controller is provided, and the first two-way solenoid valve and the second two-way solenoid valve are both electrically connected to the controller.
6. The backwashing water purifier reverse osmosis system of claim 5, wherein the first two-way solenoid valve and the second two-way solenoid valve are both normally open, and the controller controls the second two-way solenoid valve to close if the water pump is open; and if the water pump stops working, the controller controls the first two-way electromagnetic valve to be closed.
7. The backflushable water purifier reverse osmosis system of claim 6, wherein the first two-way solenoid valve and the second two-way solenoid valve are both in a normally closed state, and the controller controls the first two-way solenoid valve to open if the water pump is open; and if the water pump stops working, the controller controls the second two-way electromagnetic valve to be opened.
CN201920317948.8U 2019-03-13 2019-03-13 Reverse osmosis system of water purifier capable of performing back flushing Active CN210495949U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920317948.8U CN210495949U (en) 2019-03-13 2019-03-13 Reverse osmosis system of water purifier capable of performing back flushing

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Application Number Priority Date Filing Date Title
CN201920317948.8U CN210495949U (en) 2019-03-13 2019-03-13 Reverse osmosis system of water purifier capable of performing back flushing

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109876665A (en) * 2019-03-13 2019-06-14 佛山市云米电器科技有限公司 A kind of water purifier counter-infiltration system backwashed

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109876665A (en) * 2019-03-13 2019-06-14 佛山市云米电器科技有限公司 A kind of water purifier counter-infiltration system backwashed

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Effective date of registration: 20211025

Address after: 528308 No.2, North Xinxi 4th Road, Xiashi village, Lunjiao street, Shunde District, Foshan City, Guangdong Province

Patentee after: Guangdong Chestnut Technology Co.,Ltd.

Address before: 528300 Nepheline Village Committee, Lunjiao Sub-district Office, Shunde District, Foshan City, Guangdong Province

Patentee before: FOSHAN VIOMI ELECTRICAL TECHNOLOGY Co.,Ltd.

Patentee before: Chen Xiaoping