CN212640101U - Double-core reverse osmosis water purification system and double-core reverse osmosis water purifier - Google Patents
Double-core reverse osmosis water purification system and double-core reverse osmosis water purifier Download PDFInfo
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- CN212640101U CN212640101U CN202020381812.6U CN202020381812U CN212640101U CN 212640101 U CN212640101 U CN 212640101U CN 202020381812 U CN202020381812 U CN 202020381812U CN 212640101 U CN212640101 U CN 212640101U
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Abstract
The invention discloses a double-core reverse osmosis water purification system and a double-core reverse osmosis water purifier, wherein the double-core reverse osmosis water purification system comprises a composite filter element and a reverse osmosis filter element, a pressure tank is arranged behind the reverse osmosis filter element and used for storing pure water purified by the reverse osmosis filter element, a control device controls water production of the water purification system based on a pressure value detected by a pressure detector, and the pure water stored in the pressure tank and the pure water produced by the reverse osmosis filter element simultaneously flow out when the water purification system discharges water; wherein the volume of the pressure tank is less than a preset value, and the water purifying amount of the water purifying system per hour ranges from 150 gallons to 250 gallons. This technical scheme can reduce cost, reduces the complete machine volume, guarantees the velocity of water, has solved the problem that first cup water TDS value is high, noise abatement, and the reliability is high.
Description
Technical Field
The utility model relates to a water purification technical field especially relates to a two-core reverse osmosis water purification system and two-core reverse osmosis water purifier.
Background
The water purifier is a water treatment device for deeply filtering and purifying water according to the use requirement of water, generally refers to a small purifier used in households, and mainly comprises a small-flux water purifier and a large-flux water purifier. Wherein, the small flux water purifier generally refers to 50/75/100 gallon water purifier, and the corresponding water yield is 0.13/0.19/0.26L/min respectively; because the water yield is low, pure water is generally required to be prepared and stored in the pressure tank, so that water can be discharged from the pressure tank firstly when water is taken, the water discharging speed is high, and the duration time is short; the large-flux water purifier is generally an 400/600/800 gallon water purifier, the corresponding water yield is 1/1.5/2L/min respectively, and the water can be filtered and drunk immediately due to the high water production speed.
The existing water purifiers with the two specifications have the advantages and disadvantages, and the pressure tank configured by the small-flux water purifier has a large volume generally, so that the small-flux water purifier occupies a space under a kitchen and causes the space under the kitchen to be crowded; if the pressure tank has a large amount of water, bacteria are easy to breed; although small, high flux water purifiers have expensive filter elements, high cost, and high TDS (Total Dissolved Solids) of the first cup of water.
SUMMERY OF THE UTILITY MODEL
In order to overcome the problems in the related art, the embodiment of the disclosure provides a dual-core reverse osmosis water purification system and a dual-core reverse osmosis water purifier. The technical scheme is as follows:
according to an aspect of the disclosed embodiments, there is provided a dual-core reverse osmosis water purification system, comprising:
the composite filter element comprises a filter flask, a front filter element assembly is arranged in the filter flask, a first water inlet and a first water outlet of the front filter element assembly are arranged on the filter flask, and the first water inlet is communicated with an outlet of an external water source;
the reverse osmosis filter element is provided with a second water inlet pure water outlet and a wastewater outlet, the first water outlet is communicated to a water inlet of the booster pump through a valve port of the water inlet valve, and a water outlet of the booster pump is communicated with the second water inlet;
the waste water outlet is communicated with the waste water pipeline;
the pure water outlet is communicated with the pure water pipeline, and the pure water pipeline is provided with a check valve, a pressure detector and a pressure tank; the check valve is arranged between the pure water outlet and the pressure tank and used for limiting the direction of pure water flowing from the pure water outlet to the pressure tank; the volume of the pressure tank is smaller than a preset value;
the control device is connected with the pressure detector, the water inlet valve and the booster pump, the pressure detector is used for detecting a first pressure signal of the pressure tank and transmitting the first pressure signal to the control device when pure water in the pressure tank is stored to a preset threshold value, and the control device controls the booster pump and the water inlet valve to be closed based on the received first pressure signal and stops water production; the pressure detector is used for detecting a second pressure signal of the pressure tank and transmitting the second pressure signal to the control device when the outlet of the pure water pipeline is opened, and the control device controls the booster pump and the water inlet valve to be opened based on the received second pressure signal to start water production so that the pure water stored in the pressure tank and the pure water produced by the reverse osmosis filter element simultaneously flow to the post-filter element assembly;
wherein the range of water purification capacity per hour of the dual core reverse osmosis water purification system comprises 150 gallons to 250 gallons.
In one embodiment, the range of diameters of the pressure tank includes: 120mm-140mm, the height range of the pressure tank comprises: 280mm-300 mm.
In one embodiment, the preset threshold comprises 1.3L to 1.8L.
In one embodiment, the pressure detector comprises a high-voltage switch.
In one embodiment, a post-filter element assembly is further arranged in the filter bottle, a third water inlet and a third water outlet of the post-filter element assembly are further arranged on the filter bottle, and an outlet of the pure water pipeline is communicated with the third water inlet;
the double-core reverse osmosis water purification system further comprises a water outlet pipeline, and the water outlet pipeline is communicated with a third water outlet of the rear filter element component.
In one embodiment, a waste water valve is arranged on the waste water pipeline, a water through hole is formed in the waste water valve, the waste water valve is connected with the control device, the control device controls the waste water valve to open a valve port in a preset time period, and when the waste water valve closes the valve port, waste water flowing out of the waste water outlet flows to the outlet of the waste water pipeline through the water through hole.
In one embodiment, the pre-filter element assembly comprises a polypropylene fiber PP and a carbon rod composite filter element.
In one embodiment, the post-filter assembly comprises an activated carbon filter element.
According to a second aspect of the embodiments of the present disclosure, a dual-core reverse osmosis water purifier is provided, which includes the dual-core reverse osmosis water purification system.
The technical scheme provided by the embodiment of the disclosure can have the following beneficial effects:
1. the reverse osmosis water purification system has the advantages that the water purification amount per hour ranges from 150 gallons to 250 gallons, and the water outlet speed of 500 gallons of the large-flux water purifier can be achieved under the condition that pure water is output by the pressure tank and the water purification system at the same time; because the water production speed is 150 gallons to 250 gallons per hour and is lower than the large flux, the used power adapter, booster pump, filter element and the like have low cost, and the large flux water yield can be realized at an economically applicable price; and the filter element in the water purification system is a consumable, and the cost for replacing the filter element is high by adopting a medium-small flux water purifier.
2. The pressure tank in the double-core reverse osmosis water purification system has the advantages that the volume is smaller than a preset value, the volume is small, the water storage capacity is small, the water purification system can be circulated quickly, and bacteria are not easy to breed after being left for a long time; the pressure tank can be arranged in the whole machine, and the pressure tank does not need to be arranged outside the water purifier main machine, so that the volume of the water purifier is reduced; because the water production part of the water purification system and the pressure tank simultaneously discharge water when discharging water, the instant pressure tank has smaller volume and can also ensure the longer-time faster water discharging speed; because the overhead tank is small in size and the water purification system is faster than the small-flux water purifier, the overhead tank can be quickly filled to a preset threshold value, water production is stopped, and the water production time of the water purification system is shortened.
3. As is known, if the large flux is not used for a long time, the TDS value of the first cup of water is very high, and if parts are needed to solve the problem, the cost is directly increased; and this water purification system's during water purification system's system water part and overhead tank are gone out simultaneously, and the TDS value of first cup of water can be diluted by the pure water of storing in the overhead tank, has just solved the problem that first cup of water TDS value is high.
4. This disclosure uses this overhead tank to store pure water, and the pressure in the overhead tank extrudes water when going out water, does not need extra power, and is with low costs and noiselessness.
5. The water purification system provided by the disclosure uses conventional water purification devices and pressure tanks, and is high in reliability after long-term market verification.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present disclosure and together with the description, serve to explain the principles of the disclosure.
Fig. 1 is a schematic diagram illustrating a configuration of a dual-core reverse osmosis water purification system according to an exemplary embodiment.
Fig. 2 is a schematic diagram illustrating a configuration of a dual-core reverse osmosis water purification system according to an exemplary embodiment.
Detailed Description
Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The implementations described in the exemplary embodiments below are not intended to represent all implementations consistent with the present disclosure. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the present disclosure, as detailed in the appended claims.
Fig. 1 is a schematic diagram illustrating a configuration of a dual-core reverse osmosis water purification system according to an exemplary embodiment.
As shown in fig. 1, the dual-core reverse osmosis water purification system includes: the composite filter element 11 comprises a filter bottle 110, a preposed filter element assembly (not shown in the figure) is arranged in the filter bottle 110, a first water inlet 111 and a first water outlet 112 of the preposed filter element assembly are arranged on the filter bottle 110, and the first water inlet 111 is communicated with an outlet of an external water source; the reverse osmosis system comprises a reverse osmosis pipeline 20, wherein a water inlet valve 21, a booster pump 22 and a reverse osmosis filter element 23 are arranged on the reverse osmosis pipeline, the reverse osmosis filter element 23 is provided with a second water inlet 231, a pure water outlet 232 and a wastewater outlet 233, the first water outlet 112 is communicated to a water inlet of the booster pump 22 through a valve port of the water inlet valve 21, and a water outlet of the booster pump 22 is communicated with the second water inlet 231; the waste water pipeline 30 is communicated with the waste water outlet 233; the pure water pipeline 40 is communicated with the pure water outlet 232, and the pure water pipeline 40 is provided with a check valve 41, a pressure detector 42 and a pressure tank 43; the check valve 41 is arranged between the pure water outlet 232 and the pressure tank 43 and is used for limiting the direction of pure water flowing from the pure water outlet 232 to the pressure tank 43; the volume of the pressure tank 43 is less than a preset value; a control device (not shown in the figure) connected to the pressure detector 42, the water inlet valve 21 and the booster pump 22, wherein the pressure detector 42 is configured to detect a first pressure signal of the pressure tank 43 and transmit the first pressure signal to the control device when pure water in the pressure tank 43 is stored to a preset threshold, and the control device controls the booster pump 22 and the water inlet valve 21 to be closed and stops water production based on the received first pressure signal; the pressure detector 42 is configured to detect a second pressure signal of the pressure tank 43 and transmit the second pressure signal to the control device when the outlet of the pure water pipeline 40 is opened, and the control device controls the pressurizing pump 22 and the water inlet valve 21 to be opened based on the received second pressure signal, so as to start water production, so that the pure water stored in the pressure tank 43 and the pure water produced by the reverse osmosis filter element 23 simultaneously flow to the outlet 401 of the pure water pipeline 40; wherein the range of water purification capacity per hour of the dual core reverse osmosis water purification system comprises 150 gallons to 250 gallons. Preferably, the dual core reverse osmosis water purification system has a water purification capacity in the range of 200 gallons per hour.
In this disclosure, this the first water inlet 111 of leading filter element group spare is linked together with the export 50 of outside water source like the municipal tap water that fig. 1 shows, the former water inlet 111 of this leading filter element group spare 11 of following of the former raw water that outside water source flows into leading filter element group spare 11 earlier, and this leading filter element group spare 11 filters out the large granule impurity of aquatic and some colored impurity after with water from the first delivery port 112 output of this leading filter element group spare 11, so avoid the impurity damage devices such as water intaking valve 21, booster pump 22 and reverse osmosis filter element 23 in the rearmounted reverse osmosis pipeline 20 of aquatic to effectively improve this reverse osmosis water purification system's life.
In the present disclosure, in order to control the magnitude of the water flow and to control the operation of the reverse osmosis filter 23 in cooperation with the booster pump 22, a water inlet valve 21 is generally disposed on the reverse osmosis pipeline 20, and the water inlet valve 21 may be a solenoid valve. This reverse osmosis filter 23 need have certain pressure through the water of this reverse osmosis filter 23 at the during operation, so set up booster pump 22 and provide power for rivers for the water after this leading filter element group spare 11 purifies can purify through reverse osmosis filter 23 under the effect of pressure. After the water inlet valve 21 is opened, the water purified by the pre-filter element assembly 11 can enter the water inlet of the booster pump 22 through the valve port of the water inlet valve 21, the pressure of the water is increased by the booster pump 22 and then flows from the water outlet of the booster pump 22 to the water inlet of the reverse osmosis filter element 23, and then enters the reverse osmosis filter element 23 for purification, the pure water purified by the reverse osmosis filter element 23 flows into the pure water pipeline 40 through the pure water outlet 232, the filtered wastewater flows into the wastewater pipeline 30 through the wastewater outlet 233, when the water inlet valve 21 is closed, the booster pump 22 is correspondingly closed, the water flow stops entering the reverse osmosis filter element 23, and the reverse osmosis filter element 23 stops working.
In the present disclosure, the check valve 41 is required to be located between the pressure tank 43 and the pure water outlet 232 for limiting the water flow direction of the pure water, so that the pure water output from the reverse osmosis filter element 23 can only flow from the pure water outlet 232 to the pressure tank 43, but cannot flow back into the reverse osmosis filter element 23 from the pressure tank 43 to the pure water outlet 232, thereby preventing the reverse osmosis filter element 23 from being damaged. The pressure detector 42 may be located at any position on the deionized water line 40, and for example, as shown in fig. 1, the pressure detector 42 may be located between the check valve 41 and the pressure tank 43.
In the present disclosure, the water flowing out of the outlet 401 of the pure water line 40 flows to the faucet, and when the faucet is in a closed state, the pure water output from the reverse osmosis filter element 23 flows into the pressure tank 43 through the check valve 41 and the opening of the pressure tank 43, the water level in the pressure tank 43 rises, and the air in the tank is compressed, and the pressure increases accordingly. When the pure water in the pressure tank 43 is stored to a preset threshold value, and the pressure in the tank reaches a specified upper limit pressure value, the pressure detector 42 detects a first pressure signal that the pressure tank 43 reaches the upper limit pressure value and transmits the first pressure signal to the control device, and the control device controls the booster pump 22 and the water inlet valve 21 to be closed, so as to stop making water; when the user opens the faucet to start using water, the pressure in the pressure tank 43 will automatically squeeze the pure water in the pressure tank 43, so that after the pure water stored in the pressure tank 43 flows out from the opening of the pressure tank 43, the pure water flows only to the outlet 401 of the pure water pipeline 40 and does not flow back to the reverse osmosis filter element 23 under the direction limitation of the check valve, at this time, the pressure detector 42 will detect a second pressure signal of the pressure drop of the pressure tank 43 and transmit it to the control means, the control device controls the booster pump 22 and the water inlet valve 21 to be opened, so that the water filtered by the front filter element assembly 11 passes through the reverse osmosis filter element 23 to start water production, so that the pure water stored in the pressure tank 43 and the pure water produced by the reverse osmosis filter element 23 simultaneously flow to the outlet 401 of the pure water pipeline 40, and further purified by the post-filter element assembly, and then flow out of the water outlet pipeline.
The double-core reverse osmosis water purification system provided by the disclosure has the following advantages:
1. the purified water amount range per hour comprises 150 gallons to 250 gallons, and the water outlet speed of 500 gallons of the large-flux water purifier can be achieved under the condition that the pressure tank 43 outputs pure water simultaneously with water production of the water purification system; because the water production speed is 150 gallons to 250 gallons per hour and is lower than the large flux, the used power adapter, the booster pump 22, the filter element and the like have low cost, and the large flux water yield can be realized at an economically applicable price; the filter element in the water purification system is a consumable material, and the cost for replacing the filter element is high by adopting a medium-and-small-flux water purifier;
2. the pressure tank 43 in the double-core reverse osmosis water purification system has the advantages that the volume is smaller than a preset value, the volume is small, the water storage capacity is small, the water can be quickly circulated, and bacteria are not easy to breed after being left for a long time; the pressure tank 43 can be arranged in the whole machine, and the pressure tank 43 does not need to be arranged outside the water purifier main machine, so that the volume of the water purifier is reduced; because the water production part of the water purification system and the pressure tank 43 simultaneously discharge water when discharging water, the instant pressure tank 43 has smaller volume and can also ensure a longer-time faster water discharging speed; because overhead tank 43 is small and water purification system water purification is fast than little flux water purifier, so can fill this overhead tank 43 to predetermineeing the threshold value fast, stop system water, reduce water purification system's system water time.
3. As is known, if the large flux is not used for a long time, the TDS value of the first cup of water is very high, and if parts are needed to solve the problem, the cost is directly increased; and this water purification system's during water outlet system's system water part and overhead tank 43 go out water simultaneously, and the TDS value of first cup of water can be diluted by the pure water of storing in overhead tank 43, has just solved the high problem of first cup of water TDS value.
4. This pressure tank 43 is used to store pure water in this disclosure, and the pressure in the pressure tank 43 extrudes water when going out water, does not need extra power, and is with low costs and noiselessness.
5. The water purification system provided by the disclosure uses the conventional water purification device and the pressure tank 43, and has high reliability after long-term market verification.
In a possible embodiment, the range of diameters of the pressure tank 43 includes: 120mm-140mm, the height range of the pressure tank 43 comprises: 280mm-300 mm.
Preferably, the pressure tank 43 may have a diameter of 130mm and a height of 290 mm.
In one possible embodiment, the preset threshold comprises 1.3L to 1.8L. Namely, the pressure tank 43 can store 1.3L to 1.8L of water at the maximum.
For example, assuming that the purified water amount of the water purification system is 200 gallons per hour, that is, the water production speed is about 0.5L/min, the size of the pressure tank 43 is 130mm in diameter and 290mm in height, and the maximum water storage of the pressure tank 43 is 1.5L, the water purification system can continuously produce about 2.5L of water at a speed of 1.25L/min within 2 minutes, which is equivalent to a water production speed of 500 gallons and is the same as the water production speed of high flux, and the water purification system is usually used for domestic water, usually, the domestic water usage amount is not more than 2.5L for one time, so that a large water production speed can be obtained for each time of water taking, and the situation that the water production amount is rapidly reduced does not occur, thereby ensuring the water usage for users.
In one possible embodiment, the pressure detector 42 may be a high-pressure switch.
In the present disclosure, when pure water in the pressure tank 43 is stored to a preset threshold value, and the pressure in the tank reaches a specified upper limit pressure value, the high-pressure switch will open the conductive loop, and the control device finds that the conductive loop is disconnected, and then controls the booster pump 22 and the water inlet valve 21 to be closed, so as to stop water production; when a user opens the faucet to start water supply, the pressure of the pressure tank 43 is reduced, the high-pressure switch is automatically reset to a closed state, and the control device finds that the conductive loop is conducted to control the booster pump 22 and the water inlet valve 21 to be opened, so that raw water starts to be supplied through the pre-filter element assembly 11 and the reverse osmosis filter element 23, and pure water stored in the pressure tank 43 and pure water produced by the reverse osmosis filter element 23 simultaneously flow to the outlet 401 of the pure water pipeline 40.
In one possible embodiment, fig. 2 is a schematic diagram of a dual-core reverse osmosis water purification system according to an exemplary embodiment. As shown in fig. 2, a rear filter element assembly (not shown) is further disposed in the filter flask 110, a third water inlet 113 and a third water outlet 114 of the rear filter element assembly are further disposed on the filter flask 110, and an outlet of the pure water pipeline 40 is communicated with the third water inlet 113; the double-core reverse osmosis water purification system further comprises a water outlet pipeline 60, and the water outlet pipeline 60 is communicated with the third water outlet 114 of the rear filter element component.
In this disclosure, the pure water of the storage in this overhead tank 43 and the pure water of this reverse osmosis filter 23 output all can flow into this rearmounted filter element group spare from the third inlet 113 of this rearmounted filter element group spare, this rearmounted filter element group spare is used for purifying the back again to the pure water, flow from this third delivery port 114, like this, can further purify the pure water of storage in the overhead tank 43 and the pure water of reverse osmosis filter 23 output, impurity such as bacterium that can also the interior water storage time overlength of this overhead tank 43 of filtering produced, guarantee the safety and sanitation of user's water.
In a possible embodiment, as shown in fig. 2, a waste water valve 31 is disposed on the waste water pipeline 30, a water through hole is disposed on the waste water valve 31, the waste water valve 31 is connected to the control device, the control device controls the waste water valve 31 to open a valve port for a predetermined period of time, and when the waste water valve 31 closes the valve port, the waste water flowing out of the waste water outlet 233 flows to the outlet 301 of the waste water pipeline 30 through the water through hole.
Here, the smaller the aperture of the water passing hole of the waste water valve is, the lower the flow rate of the waste water is, the specific size of the water passing hole needs to be selected according to the water purifying capacity of the reverse osmosis filter element 23, and when the water purifying capacity of the reverse osmosis filter element 23 is higher, the smaller the aperture of the water passing hole can be set. The waste water valve can be a normally closed type direct-acting electromagnetic valve, when the waste water valve is used at ordinary times, a valve port of the waste water valve is kept in a closed state, and waste water filtered by the reverse osmosis filter element 23 flows to the outlet 301 of the waste water pipeline 30 through the water through hole. When the water purification system needs to be cleaned, the control device can control the wastewater valve to be electrified to open the valve port for a certain period of time, so that a wider flow channel is provided for wastewater, a large amount of water can flow through the flow channel quickly, and the purpose of better flushing the water purification system is achieved.
In one possible embodiment, the prefilter assembly comprises a PP and carbon rod composite filter element, also referred to as a PCB composite filter element; wherein the PP is a synthetic chemical fiber made of polypropylene fiber. This composite filter can filter the large granule impurity and some coloured impurity of aquatic, avoids the impurity damage original papers such as water intaking valve 21, booster pump 22 and reverse osmosis filter 23 of aquatic to effectively improve this water purification system's life.
In one possible embodiment, the post-filter assembly comprises a post-activated carbon filter element.
This rearmounted activated carbon filter core sets up the final position in pure water pipeline for further filtering for the pure water that flows through filters the particulate impurity and some coloured impurity in the aquatic.
The present disclosure further provides a dual-core reverse osmosis water purifier, which includes a housing and the dual-core reverse osmosis water purification system disposed in the housing, and the specific structure of the dual-core reverse osmosis water purification system refers to the above embodiments.
Other embodiments of the disclosure will be apparent to those skilled in the art from consideration of the specification and practice of the disclosure disclosed herein. This application is intended to cover any variations, uses, or adaptations of the disclosure following, in general, the principles of the disclosure and including such departures from the present disclosure as come within known or customary practice within the art to which the disclosure pertains.
It will be understood that the present disclosure is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the present disclosure should be limited only by the attached claims.
Claims (9)
1. A dual-core reverse osmosis water purification system, comprising:
the composite filter element comprises a filter flask, a front filter element assembly is arranged in the filter flask, a first water inlet and a first water outlet of the front filter element assembly are arranged on the filter flask, and the first water inlet is communicated with an outlet of an external water source;
the reverse osmosis filter element is provided with a second water inlet, a pure water outlet and a wastewater outlet, the first water outlet is communicated to the water inlet of the booster pump through a valve port of the water inlet valve, and the water outlet of the booster pump is communicated with the second water inlet;
the waste water outlet is communicated with the waste water pipeline;
the pure water outlet is communicated with the pure water pipeline, and the pure water pipeline is provided with a check valve, a pressure detector and a pressure tank; the check valve is arranged between the pure water outlet and the pressure tank and used for limiting the direction of pure water flowing from the pure water outlet to the pressure tank; the volume of the pressure tank is smaller than a preset value;
the control device is connected with the pressure detector, the water inlet valve and the booster pump, the pressure detector is used for detecting a first pressure signal of the pressure tank and transmitting the first pressure signal to the control device when pure water in the pressure tank is stored to a preset threshold value, and the control device controls the booster pump and the water inlet valve to be closed based on the received first pressure signal and stops water production; the pressure detector is used for detecting a second pressure signal of the pressure tank and transmitting the second pressure signal to the control device when the outlet of the pure water pipeline is opened, and the control device controls the booster pump and the water inlet valve to be opened based on the received second pressure signal to start water production so that the pure water stored in the pressure tank and the pure water produced by the reverse osmosis filter element simultaneously flow to the rear filter element component;
wherein the range of water purification capacity per hour of the dual core reverse osmosis water purification system comprises 150 gallons to 250 gallons.
2. The dual core reverse osmosis water purification system of claim 1,
the diameter range of the pressure tank comprises: 120mm-140mm, the height range of the pressure tank comprises: 280mm-300 mm.
3. The dual core reverse osmosis water purification system of claim 1,
the preset threshold value comprises 1.3L to 1.8L.
4. The dual core reverse osmosis water purification system of claim 1,
the pressure detector includes a high-voltage switch.
5. The dual core reverse osmosis water purification system of claim 1,
a rear filter element assembly is further arranged in the filter flask, a third water inlet and a third water outlet of the rear filter element assembly are further arranged on the filter flask, and an outlet of the pure water pipeline is communicated with the third water inlet;
the double-core reverse osmosis water purification system further comprises a water outlet pipeline, and the water outlet pipeline is communicated with a third water outlet of the rear filter element component.
6. The dual core reverse osmosis water purification system of claim 1,
the waste water pipeline is provided with a waste water valve, the waste water valve is provided with a water through hole, the waste water valve is connected with the control device, the control device controls the waste water valve to open a valve port in a preset time period, and when the control device controls the waste water valve to close the valve port, waste water flowing out of the waste water outlet flows to an outlet of the waste water pipeline through the water through hole.
7. The dual core reverse osmosis water purification system of claim 1,
the front filter element component comprises a polypropylene fiber PP and a carbon rod composite filter element.
8. The dual core reverse osmosis water purification system of claim 1,
the post-positioned filter element assembly comprises an activated carbon filter element.
9. A twin-core reverse osmosis water purifier comprising the twin-core reverse osmosis water purification system according to any one of claims 1 to 8.
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| CN114716044A (en) * | 2022-03-31 | 2022-07-08 | 九阳股份有限公司 | Water purifier |
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| CN114716044A (en) * | 2022-03-31 | 2022-07-08 | 九阳股份有限公司 | Water purifier |
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Address after: Room 01-04, 1st floor, No.2 Lane 60, Naxian Road, Pudong New Area pilot Free Trade Zone, Shanghai 201203 Patentee after: Chunmi Technology (Shanghai) Co.,Ltd. Address before: Room 01-04, 1st floor, Lane 60, Naxian Road, Pudong New Area, Shanghai, 201203 Patentee before: SHANGHAI CHUNMI ELECTRONICS TECHNOLOGY Co.,Ltd. |