CN211896335U - Water purifying device - Google Patents
Water purifying device Download PDFInfo
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- CN211896335U CN211896335U CN202020218143.0U CN202020218143U CN211896335U CN 211896335 U CN211896335 U CN 211896335U CN 202020218143 U CN202020218143 U CN 202020218143U CN 211896335 U CN211896335 U CN 211896335U
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Abstract
The embodiment of the utility model relates to the technical field of water treatment, specifically disclose a water purification device, including pretreatment systems, filtration system, waste water discharge system, pure water discharge system, circulating filtration system and intelligent thing networking major control system. The utility model discloses purifier utilizes the real-time raw water TDS value of gathering the running water of intelligence thing networking major control system, the water purification TDS value of preceding two-stage filter core and the pure water TDS value of back two-stage filter core. Calculate the real-time desalination rate of two preceding stages of filter cores according to raw water TDS value and water purification TDS value, calculate the real-time desalination rate of RO membrane according to water purification TDS value and water purification TDS value, compare this real-time desalination rate and the standard desalination rate that the system set for, if real-time desalination rate is unqualified, the pure water can not reach the drinking standard promptly, control system can pass through the relevant governing valve of control, let the pure water backward flow filter again, it is qualified until real-time desalination rate, the pure water reaches the drinking standard promptly, the open pure water outflow of control system is for the user drinks.
Description
Technical Field
The utility model relates to a water treatment technical field, concretely relates to purifier.
Background
With the rapid development of economy in China, pollution of rivers in large rivers is more and more serious, and the drinking water quality of urban residents is continuously reduced due to pollution of water source areas and lagging city water supply networks. Meanwhile, urban water network pipeline equipment is old, a water tower water tank is unattended, bacteria exceed standards, metal pipelines and valves are increasingly corroded to separate out excessive heavy metals, and the like, so that qualified tap water is discharged from a water plant, but the indexes of water in residents' homes exceed standards. Therefore, drinking water purification devices are becoming more and more important.
The small reverse osmosis water purification device in the prior art, such as a household water purification machine, has a problem that after the device starts to work, the desalination rate of the device is very low within a period of time after the device is started, time buffering of 30-40 seconds is required on average, the desalination rate can rise to a normal level, the condition that a first cup of purified water cannot be drunk in the industry occurs, and the problems of waste and user property loss caused by consumable materials because a timer calculates the service life of a filter element no matter whether the water purification device is used for 'time is up' or not are solved, and in order to improve the convenience of drinking water of consumers, the problems of 'the first cup of purified water cannot be drunk' and 'time is up' are required to be solved.
SUMMERY OF THE UTILITY MODEL
An object of the embodiment of the utility model is to provide a purifier to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the embodiment of the present invention provides the following technical solutions:
a water purifying device comprises a pretreatment system, a filtering system, a wastewater discharge system, a pure water discharge system, a circulating filtering system and an intelligent Internet of things main control system;
the pretreatment system is formed by connecting a raw water flow meter, a raw water TDS, a water inlet electromagnetic valve and a composite filter element in series; the raw water flow meter is connected with the water inlet; the raw water TDS value collector is used for collecting a tap water TDS value; the water inlet electromagnetic valve is used for controlling water inlet;
the filtering system is formed by connecting a purified water TDS, a booster pump and a reverse osmosis membrane filter element in series;
the wastewater discharge system comprises a wastewater electromagnetic valve for controlling wastewater discharge;
the pure water discharge system is formed by connecting a three-way electromagnetic valve, a pure water TDS, rear carbon, a check valve, a high-voltage switch and a pure water flowmeter in series;
the circulating filtration system is composed of a three-way electromagnetic valve and a check valve which are connected in series in sequence, and the check valve is connected between the purified water TDS and the booster pump.
As a further limitation of the technical solution of the present invention: the waste water electromagnetic valve is an electro-hydraulic proportional valve.
As a further limitation of the technical solution of the present invention: the composite filter element is mainly used for adsorbing suspended matters in water, reducing chroma turbidity, removing peculiar smell, adsorbing residual chlorine and removing chlorine content, and can prolong the service life of the following reverse osmosis membrane.
As a further limitation of the technical solution of the present invention: the three-way electromagnetic valve is used for controlling the pure water to be conducted from the reverse osmosis membrane filter element to the pure water backflow direction.
As a further limitation of the technical solution of the present invention: the check valve is a check valve used for preventing the purified water from conducting towards the pure water in a one-way mode.
As a further limitation of the technical solution of the present invention: the standard desalination rate is preset through the intelligent Internet of things master control system 60, and the range of the desalination rate is 85% -100%.
As a further limitation of the technical solution of the present invention: the main body of the reverse osmosis membrane filter element is a reverse osmosis membrane, and the filtering precision of the reverse osmosis membrane is 0.0001 micron.
Compared with the prior art, the utility model discloses the beneficial effect of embodiment is: under the prerequisite of water economy resource, the real-time desalination rate of two-stage filter core and RO membrane before the intelligence thing networking major control system calculation compares with standard desalination rate in order to judge quality of water and calculate two-stage filter core and RO membrane life-span before, can intelligent judgement and control the pure water backward flow in order to realize the loop filter, only after the real-time desalination rate of RO membrane reached the standard value just open the pure water and supply the user to drink the water of guaranteeing to come out and all be the qualified water that can drink, the problem of "first cup of purified water can't drink" and "the time-recorder calculates filter core life" after the system work that has solved this kind of small-size reverse osmosis water purification device exists always.
Drawings
In order to illustrate the technical solutions in the embodiments of the present invention more clearly, the drawings that are needed in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention.
Fig. 1 is a schematic structural view of a water purifying device provided by an embodiment of the present invention.
In the figure: 10-a pretreatment system; 20-a filtration system; 30-a wastewater discharge system; 40-a pure water discharge system; 50-a circulating filtration system; 60-intelligent thing networking major control system.
Detailed Description
In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As shown in fig. 1, in the embodiment provided by the present invention, a water purifying device comprises a pretreatment system 10, a filtration system 20, a wastewater discharge system 30, a pure water discharge system 40, a circulating filtration system 50, and an intelligent internet of things main control system 60.
Specifically, in the embodiment of the present invention, the pretreatment system 10 is composed of a raw water flowmeter, a raw water TDS, a water inlet solenoid valve, a composite filter element and a post-carbon, which are connected in series in sequence; the raw water flow meter is connected with the water inlet, when water inlet (tap water) is cut off, the raw water flow meter does not have a working electric signal, and the system stops working to ensure damage caused by idle rotation of the booster pump and provide parameters for the service life of the first two stages of filter elements. The raw water TDS value collector is used for collecting a tap water TDS value and provides parameters for calculating the real-time desalination rate of the first two stages of filter elements and the service life of the first two stages of filter elements for the intelligent Internet of things main control system. The first two-stage filter element consists of melt-blown polypropylene fiber, granular activated carbon and sintered activated carbon, is mainly used for adsorbing suspended matters in water, reducing chroma turbidity, removing peculiar smell, adsorbing residual chlorine, removing chlorine content and prolonging the service life of the following reverse osmosis membrane. The water inlet electromagnetic valve is mainly used for controlling water inlet, when the device normally operates, the electromagnetic valve is opened, water flow can enter the booster pump and the subsequent system, and when the device stops working, the electromagnetic valve is closed, so that the water flow is prevented from flowing into the subsequent system.
The filtering system 20 is formed by sequentially connecting a purified water TDS, a booster pump and a reverse osmosis membrane filter element in series; the purified water TDS is connected in series after the composite filter element and the post-carbon; the purified water TDS value collector is used for collecting the TDS values of the first two stages of filter elements, providing parameters for the intelligent Internet of things main control system to calculate the real-time desalination rate and service life of the first two stages of filter elements and provide parameters for the subsequent calculation of the real-time desalination rate and service life of the RO membrane; the booster pump is mainly used for enhancing water pressure and promoting water flow to pass through the reverse osmosis membrane, and meanwhile, the booster pump can adjust the water pressure passing through the reverse osmosis membrane according to the water flow of the real-time tap water pipe; the main body of the reverse osmosis membrane filter element is a reverse osmosis membrane, the reverse osmosis membrane can intercept substances larger than 0.0001 micron, and the reverse osmosis membrane filter element is the finest membrane separation product, can effectively intercept all dissolved salts and organic substances with molecular weight larger than 100, can effectively remove dissolved salts, colloids, microorganisms, organic substances and the like in water, only allows water molecules and dissolved oxygen to permeate, and ensures the quality of purified water.
The wastewater discharge system 30 comprises a wastewater solenoid valve for controlling wastewater discharge, and the wastewater solenoid valve is connected in series behind a wastewater outlet of the reverse osmosis membrane filter element; the waste water electromagnetic valve discharges a certain amount of waste water according to a preset proportion in the normal work of the system, thereby ensuring the quality of purified pure water to be qualified. Meanwhile, when the waste water electromagnetic valve is fully opened, the reverse osmosis membrane can be washed so as to ensure the water production quality of the membrane and prolong the service time of the membrane.
The pure water discharge system 40 is formed by sequentially connecting a three-way electromagnetic valve, a pure water TDS, rear carbon, a check valve, a high-voltage switch and a pure water flowmeter in series, wherein the pure water TDS is connected behind the three-way electromagnetic valve in series, and the pure water flowmeter is connected behind the high-voltage switch in series; the three-way electromagnetic valve is generally in an open state, and only when the real-time desalination rate of the RO membrane is lower than the standard, the intelligent Internet of things main control system closes the pure water outlet of the three-way electromagnetic valve to prevent unqualified pure water from passing through, so that a user can not drink unqualified water. The pure water TDS value collector provides a trigger condition for the three-way solenoid valve through an intelligent Internet of things main control system, is used for collecting the pure water TDS value, and provides parameters for the subsequent calculation of the real-time desalination rate and the service life of the RO membrane; the post-carbon is used for adjusting the taste of the pure water so that the pure water is sweet at the entrance; the check valve is a one-way valve to ensure the flow direction of the pure water and prevent the pure water from flowing backwards when the faucet is closed; when the pure water end of the high-voltage switch is closed (namely the pure water faucet is closed), the high-voltage switch provides a shutdown signal for the intelligent Internet of things main control system to stop the system; the pure water flow meter provides data on the total amount of pure water used to the user and provides parameters for RO membrane life.
The circulating filtration system 50 is composed of a three-way electromagnetic valve and a check valve which are connected in series in sequence, and the check valve is connected between the purified water TDS and the booster pump; the three-way electromagnetic valve is generally in an open state, and only when the real-time desalination rate of the RO membrane is lower than the standard, the intelligent Internet of things main control system closes the pure water outlet of the three-way electromagnetic valve and opens the backflow outlet of the three-way electromagnetic valve to enable the pure water to reenter the filtering system for circular filtering; the check valve is a one-way valve to ensure the direction of pure water backflow and prevent the pure water from flowing backwards when the backflow outlet of the three-way electromagnetic valve is opened.
Standard desalination is predetermine to intelligence thing networking major control system 60, and the real-time desalination and the standard desalination contrast of two-stage filter core and RO membrane are in order to judge quality of water and calculate preceding two-stage filter core and RO membrane life-span before raw water flow meter, raw water TDS value collector, water purification TDS value collector, pure water flow meter and calculate, provide data to thing networking cloud platform. And controlling the switches of the pure water outlet and the backflow outlet of the three-way electromagnetic valve so as to circularly filter the pure water, so that the filtered pure water is opened for drinking after the filtered pure water completely reaches the standard.
The desalinization rate of the first two stages of filter elements is calculated by the formula: the first two-stage filter element desalination rate is (raw water TDS-purified water TDS)/raw water TDSx 100%; the RO membrane desalination rate is calculated by the formula: RO membrane desalination rate (pure water TDS-pure water TDS)/pure water TDSx 100%.
When the system starts to work, the intelligent internet of things master control system 60 calculates the real-time desalination rate of the former two-stage filter element according to the real-time collected raw water TDS value and purified water TDS value through a 'former two-stage filter element desalination rate' formula, compares the real-time desalination rate with the standard desalination rate set by the intelligent internet of things master control system 60, and generally sets the standard desalination rate to be 85% -100%.
When the real-time desalination rate of the RO membrane is lower than the standard desalination rate, namely the pure water quality is unqualified, the intelligent Internet of things master control system closes the pure water outlet of the three-way electromagnetic valve and opens the backflow outlet of the three-way electromagnetic valve to enable the pure water to reenter the filtering system for circular filtering, and unqualified pure water flows back to the front section of the booster pump for circular filtering. When the real-time desalination rate of the RO membrane is equal to or higher than the standard desalination rate, namely the pure water quality is qualified, the intelligent Internet of things master control system opens the pure water outlet of the three-way electromagnetic valve at the moment to allow qualified pure water to flow out for users to drink.
Further, the intelligent internet of things main control system 60 is electrically connected with the pretreatment system 10, the filtration system 20, the wastewater discharge system 30, the pure water discharge system 40 and the circulating filtration system 50. The intelligent internet of things master control system 60 is electrically connected with each system for the device core, and the data collected in real time comprises: the system running state (flushing, water full, water making, overhauling and water leakage), the service life of the first two-stage filter element and the RO membrane (four stages), the raw water flow, the raw water TDS value, the pure water TDS value and the pure water flow.
Further, the standard salt rejection range set by the intelligent internet of things master control system 60 is 85% -100%. Before use, standard desalination rate is set, which is determined according to the hardness and quality of local tap water, and is generally set to 85-100%, and drinking is provided when the desalination rate of pure water is higher than the range.
Further, the waste water electromagnetic valve is an electro-hydraulic proportional valve. The electrohydraulic proportional valve is a control valve for continuously and proportionally controlling the flow, pressure and direction of hydraulic system according to input electric signal, and its output flow and pressure can not be affected by load change. Meanwhile, the electro-hydraulic proportional valve has strong anti-pollution performance and can better reduce the pollution of waste water to the device.
Furthermore, the first two stages of filter elements are composed of melt-blown polypropylene fibers, granular activated carbon and sintered activated carbon, and are mainly used for adsorbing suspended matters in water, reducing chroma turbidity and adsorbing residual chlorine, and the service life of a reverse osmosis membrane behind the filter elements can be prolonged by removing the content of chlorine.
Furthermore, the pressure pump is a booster pump and promotes water flow to pass through the reverse osmosis membrane, and meanwhile, the water pressure of the reverse osmosis membrane is adjusted according to the flow of raw water of the tap water pipe.
Further, the check valve is a one-way valve, so that the direction of pure water backflow is ensured, the pure water backflow is prevented when the backflow outlet of the three-way electromagnetic valve is opened, and the pure water backflow is prevented when the faucet is closed.
Further, purifier still includes power adapter. The power adapter is used to convert the household voltage into 24V DC power, which is a safe voltage (lower than 36V), so that the device has no electric shock risk.
The specific working process of this embodiment is as follows:
the device is powered on through the power adapter, and when the water pressure is more than 0.1Mpa/m2When the water inlet electromagnetic valve is opened, the high-pressure switch is opened, the booster pump starts to rotate at the same time, and the water inlet electromagnetic valve is opened. Tap water enters the device from the water inlet, the raw water TDS value collector and the raw water flow meter can detect and monitor the flow of the tap water, and then the TDS value and the raw water flow value of the tap water are transmitted to the intelligent Internet of things main control system to provide calculation parameters.
The water flow firstly passes through the composite filter element and the post-positioned carbon, and the first two-stage filter element consisting of melt-spraying polypropylene fiber, granular activated carbon and sintered activated carbon pretreats tap water, adsorbs suspended matters and residual chlorine in water, reduces chroma turbidity and removes peculiar smell.
The rivers that accomplish the preliminary treatment pass through water purification TDS and get into filtration system, and after the force pump increased water pressure, rivers passed through reverse osmosis membrane filter core through reverse osmosis membrane's filtering action, further got rid of aquatic organic matter, soluble salt, colloid, microorganism etc. effectively and do not have the water, and filtration system is whole purifier's core, is the important assurance of pure water quality.
The water filtered by the reverse osmosis membrane filter element is divided into pure water and waste water which flow out from different water outlets, the pure water enters a pure water discharge system, a pure water TDS value collector can detect the filtered pure water, provides trigger conditions for a three-way electromagnetic valve through an intelligent Internet of things main control system and provides parameters for subsequently calculating the real-time desalination rate of an RO membrane and the service life of the RO membrane; the wastewater enters a wastewater discharge system, and a wastewater electromagnetic valve discharges a certain amount of wastewater according to a preset proportion in the normal operation of the system, so that the quality of purified pure water is qualified. Meanwhile, when the wastewater electromagnetic valve is fully opened, the reverse osmosis membrane can be washed so as to ensure the water production quality of the membrane and prolong the service time of the membrane.
When the system starts to work, the intelligent Internet of things master control system calculates the real-time desalination rate of the RO membrane through an RO membrane desalination rate formula according to the real-time collected water purification TDS value and the water purification TDS value, and compares the real-time desalination rate with the standard desalination rate set by the intelligent Internet of things master control system, wherein the common standard desalination rate is set to be 85% -100%.
When the real-time desalination rate of the RO membrane is lower than the standard desalination rate, namely the pure water quality is unqualified, the intelligent Internet of things master control system closes the pure water outlet of the three-way electromagnetic valve and opens the backflow outlet of the three-way electromagnetic valve to enable the pure water to reenter the filtering system for circular filtering, and unqualified pure water flows back to the front section of the booster pump for circular filtering.
When the real-time desalination rate of the RO membrane is equal to or higher than the standard desalination rate, namely the pure water quality is qualified, the intelligent Internet of things master control system opens the pure water outlet of the three-way electromagnetic valve at the moment to allow qualified pure water to flow out for users to drink.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (7)
1. The water purifying device is characterized by comprising a pretreatment system (10), a filtering system (20), a wastewater discharge system (30), a pure water discharge system (40), a circulating filtering system (50) and an intelligent Internet of things main control system (60);
the pretreatment system (10) is formed by connecting a raw water flow meter, a raw water TDS, a water inlet electromagnetic valve and a composite filter element in series;
the raw water flow meter is connected with the water inlet;
the filtering system (20) is formed by connecting a purified water TDS, a booster pump and a reverse osmosis membrane filter element in series;
the waste water discharge system (30) comprises a waste water solenoid valve for controlling waste water discharge;
the pure water discharge system (40) is formed by connecting a three-way electromagnetic valve, a pure water TDS, a post carbon, a check valve, a high-voltage switch and a pure water flowmeter in series; the circulating filtration system (50) is formed by sequentially connecting a three-way electromagnetic valve and a check valve in series, and the check valve is connected between the purified water TDS and the booster pump.
2. The water purification unit of claim 1, wherein the waste water solenoid valve is an electro-hydraulic proportional valve.
3. The water purification unit of claim 2, wherein the composite filter element is composed of melt-blown polypropylene fibers, granular activated carbon, and sintered activated carbon.
4. The water purifying apparatus according to any one of claims 1 to 3, wherein the three-way solenoid valve is a solenoid valve for controlling the flow of pure water from the reverse osmosis membrane cartridge to the return direction of the pure water.
5. The water purification apparatus of claim 4, wherein the check valve is a check valve for preventing the purified water from conducting in one direction toward the purified water.
6. The water purification device of any one of claims 1 to 3, wherein a standard salt rejection is preset by the intelligent Internet of things main control system (60), and the salt rejection ranges from 85% to 100%.
7. The water purification apparatus of claim 6, wherein the main body of the reverse osmosis membrane cartridge is a reverse osmosis membrane, and the filtration accuracy of the reverse osmosis membrane is 0.0001 μm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020218143.0U CN211896335U (en) | 2020-02-26 | 2020-02-26 | Water purifying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020218143.0U CN211896335U (en) | 2020-02-26 | 2020-02-26 | Water purifying device |
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| CN211896335U true CN211896335U (en) | 2020-11-10 |
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| CN202020218143.0U Expired - Fee Related CN211896335U (en) | 2020-02-26 | 2020-02-26 | Water purifying device |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114162995A (en) * | 2021-08-31 | 2022-03-11 | 佛山市美的清湖净水设备有限公司 | Waterway system and water purifier |
| CN114163004A (en) * | 2021-08-31 | 2022-03-11 | 佛山市美的清湖净水设备有限公司 | Water purifier |
| CN114163003A (en) * | 2021-08-31 | 2022-03-11 | 佛山市美的清湖净水设备有限公司 | Waterway system and water purifier |
| CN114162997A (en) * | 2021-08-31 | 2022-03-11 | 佛山市美的清湖净水设备有限公司 | Waterway system and water purifier |
| TWI797807B (en) * | 2021-11-02 | 2023-04-01 | 台灣櫻花股份有限公司 | Ro water purification device |
-
2020
- 2020-02-26 CN CN202020218143.0U patent/CN211896335U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114162995A (en) * | 2021-08-31 | 2022-03-11 | 佛山市美的清湖净水设备有限公司 | Waterway system and water purifier |
| CN114163004A (en) * | 2021-08-31 | 2022-03-11 | 佛山市美的清湖净水设备有限公司 | Water purifier |
| CN114163003A (en) * | 2021-08-31 | 2022-03-11 | 佛山市美的清湖净水设备有限公司 | Waterway system and water purifier |
| CN114162997A (en) * | 2021-08-31 | 2022-03-11 | 佛山市美的清湖净水设备有限公司 | Waterway system and water purifier |
| TWI797807B (en) * | 2021-11-02 | 2023-04-01 | 台灣櫻花股份有限公司 | Ro water purification device |
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