CN202542923U - Household water treatment machine - Google Patents

Household water treatment machine Download PDF

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Publication number
CN202542923U
CN202542923U CN2012201676319U CN201220167631U CN202542923U CN 202542923 U CN202542923 U CN 202542923U CN 2012201676319 U CN2012201676319 U CN 2012201676319U CN 201220167631 U CN201220167631 U CN 201220167631U CN 202542923 U CN202542923 U CN 202542923U
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water
filter
waste water
waste
connected
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CN2012201676319U
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Chinese (zh)
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张红阳
王建辉
魏文超
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王建辉
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Abstract

The utility model discloses a household water treatment machine. A detection outflow pure water quality probe is arranged between a pure water outlet high-water-pressure switch of a reverse osmosis filter and a pure water storage bucket; a reflux pipeline with a one-way valve is connected between a waste water proportioner for discharging waste water of the reverse osmosis filter and a waste water electromagnetic valve, and is connected with the water inflow end of a water pre-treatment filter; the input end of a microcomputer controller is connected with the electric signal end of the outflow pure water quality probe; and the output end of the microcomputer controller is connected with the electric signal input end of the waste water electromagnetic valve and the electric signal input end of a one-way electromagnetic valve respectively. The TDS (Total Dissolved Solids) of pure water is monitored in real time, and the microcomputer controller is used for controlling the waste water electromagnetic valve to be opened for draining waste water when the probe detects that the quality of pure water becomes bad; and when the probe detects that the quality of the pure water meets with a certain standard, the waste water electromagnetic valve is closed, the one-way valve of the reflux pipeline is opened for refluxing, and reverse osmosis membrane treatment is performed for turning the part of low-concentration waste water into pure water, so that the waste water discharge amount is decreased, the proportion of pure water is increased, and the aims of dynamically monitoring the pure water quality and saving water resources and energy can be fulfilled.

Description

一种家用水处理机 A household water treatment machines

技术领域 FIELD

[0001] 本实用新型涉及一种节能家用水处理机,特别是一种通过反渗透膜的出水水质监测来有效控制废水回用及排放量,从而来节约水资源的家用水处理机。 [0001] The present invention relates to an energy-saving household water treatment machine, in particular a wastewater reuse to effectively control emissions, and water quality by monitoring the reverse osmosis membrane, thereby saving water household water treatment unit.

背景技术 Background technique

[0002]目前多数家用纯水机是对自来水进行再次深度净化处理,采用反渗透处理机的终端装置向家庭提供可直接生饮的纯水。 [0002] It is most household water purification water depth again, the terminal apparatus using reverse osmosis processors provide pure water to drink directly to the home. 反渗透过滤器的制纯水过程必然产生一路是浓缩水经废水管排放,另一路是纯水,而反渗透膜元件设计的产水比例为纯水与废水是I :3,即要产生I升的纯水就要排放3升的废水,针对各地区水源水质不同,有些地区的水质甚至已经达到直饮标准,原有家用纯水机又存在固定式的比例废水排放问题,还是按I: 3的比例在排放,这无疑是一种水资源和能源的浪费,随着人们生活水平的提高,对于日常饮用水的质量越来越重视,家用纯水机逐渐被广大普通家庭所采用,但这种高比例的废水排放却始终成为家用纯水机普及和推广的技术难题,成为无法跨越的发展障碍。 Process water system of the reverse osmosis filter will inevitably produce concentrated water way is discharged via the waste pipe, the other way is pure, and the proportion of water producing a reverse osmosis membrane element is designed for water and wastewater are I: 3, i.e., to produce I 3 liters of pure water will discharge wastewater liters, different regions for water quality, water quality in some areas has even reached the standard drink straight, old household water and there are a fixed percentage of waste water emissions, or by I: 3 ratio in emissions, this is a waste of water and energy, with the improvement of people's living standards, the quality of drinking water every day more and more attention, household water gradually been adopted by the majority of ordinary families, but this high proportion of waste water has always become a household water popularization and promotion of technical problems, became insurmountable obstacles to development.

[0003] CN100519433C提出一种节水节电型反渗透纯水机,它在高压泵的进水口接常压中间水箱,高压泵的出水口接反渗透滤芯的进水口,反渗透滤芯的出水口接常压纯净水箱,反渗透滤芯的排污口接废水比后再接常压中间水箱,预处理滤芯的进口接自来水,预处理滤芯的出口接常中间水箱,这种结构只是将废水用中间水箱贮存起来与预处理水混合再进行反渗透处理,既增加反渗透膜的负担又不能保证出纯水的水质质量,无法实现真正的节约水源和节省能源的目的。 [0003] CN100519433C to provide a water-saving type reverse osmosis water, it is connected to the high pressure pump inlet pressure of the intermediate tank, the high pressure pump connected to the outlet of the reverse osmosis filter inlet, the outlet of the reverse osmosis filter contact pressure pure water tank, the reverse osmosis filter wastewater outfall contact pressure than the intermediate tank after contact, the running water inlet pre-filter, the outlet of the pre-filter is often connected to the intermediate tank, except that this arrangement the intermediate tank wastewater pre-mixed with water stored up again reverse osmosis treatment, both increasing the burden on the reverse osmosis membrane can not guarantee the quality of the water quality of pure water can not realize real savings of water and energy saving purposes.

发明内容 SUMMARY

[0004] 本实用新型要解决的技术问题是针对目前家用纯水机存在的高比例废水排放问题,提出一种保证纯水质量前提下尽量减少废水排放总量,用纯水出水水质来判断原水水质,达到自动控制废水排放量,甚至达到零排放,以达到节约水资源和节约能源的目的。 [0004] The present invention to solve the technical problem for a high proportion of wastewater emissions currently existing household water, to provide a guarantee to minimize the total amount of waste water under the premise of water quality, water quality is determined by pure raw water quality, to automatically control the discharge of waste water, even to zero emissions, in order to save water and energy savings.

[0005] 本实用新型解决其技术问题是采取以下技术方案实现的: [0005] The present invention to solve the technical problem is to take the following technical solutions implemented:

[0006] 一种家用水处理机,它包括水预处理过滤器、增压泵、反渗透过滤器、高水压开关、废水比例器、废水电磁阀、后置过滤器、纯水储水桶和双出水龙头,其特征是在反渗透过滤器出纯水的高水压开关与后置过滤器和纯水储水桶之间设一检测出纯水水质探头,在反渗透过滤器出废水的废水比例器与废水电磁阀之间连接一带单向阀的废水回流管路,并与所述水预处理过滤器入水端相连接;一微电脑控制器,其输入端与所述的出纯水水质探头的电信号端连接,所述微电脑控制器的输出端分别连接废水电磁阀电信号输入端和单向电磁阀的电信号输入端。 [0006] A household water treatment machine, which comprises a water pretreatment filter, booster pump, a reverse osmosis filter, the high pressure switch, proportion of waste water, a waste water solenoid valve, the post filter, and pure water storage tank double faucet, wherein the filter is a reverse osmosis water between a high pressure switch after filter and water storage tank is provided a water quality detected by the probe, the waste water in the reverse osmosis filter wastewater a check valve connected between the area ratio of the waste water with waste water return line solenoid valve, and connected to the end of the water into the water pre-filter; a microcomputer controller, an input terminal of a probe according to the water quality electrical signal terminal connected to an output terminal of the microcomputer controller are connected to electrical input of the electrical signal input wastewater solenoid valve and a check of the solenoid valve.

[0007] 所述微电脑控制器包括ICl可偏程控制器,24DC稳压电源单元,其输入端分别设纯水水质监控单元、纯水水质设定单元、原水水压监测单元和水泵电平控制单元,其输出端分别设废水排放电磁阀控制单元、冲洗电磁阀监控单元和显示单元。 [0007] The microcomputer controller comprises a programmable controller deflectable ICl, 24DC power supply unit, an input terminal monitoring unit are respectively provided water quality, water quality setting unit, the raw water pumps and pressure monitoring unit level control unit, which output terminals are disposed wastewater discharge solenoid valve control means, the flushing solenoid valve monitoring unit and a display unit.

[0008] 所述带单向阀的废水回流管路还串连一过滤芯和终端连接一低水压开关。 Waste water return line [0008] The check valve further connected in series with a filter element and a terminal connected to a low pressure switch. [0009] 所述带单向阀的废水回流管路和低水压开关连接在水预处理过滤器的第一级与第二级之间。 Wastewater return line and a low pressure switch [0009] The check valve is connected between the first and second stages of water pretreatment filter.

[0010] 所述ICl可偏程控制器的控制程序和纯水水质设定根据各地水质情况或用户饮水水质要求输入数据或修改控制流程。 [0010] The ICl and water quality control program may be biased programmable controller input data set or modify the control flow depending on the user or the circumstances around the water quality of drinking water requirements.

[0011] 所述纯水水质设定单元可接入输入按键或键盘。 [0011] The water quality setting unit may access to input keys or a keyboard.

[0012] 所述的显示单元包括原水水压、增压泵工作状态、纯水的溶解性总固体含量TDS、纯水流量和废水比例数字显示,以及废水排放电磁阀或冲洗电磁阀的工作状态显示。 The display unit [0012] The raw water comprises a water pressure booster pump operation state, the water content of the TDS total dissolved solids, water and wastewater flow ratio of the digital display, and a waste water discharge solenoid valve or solenoid valve flushing operation state display.

[0013] 上述设计的有益效果在于,通过对纯水溶解性总固体含量的实时监测与存储在微电脑控制器设定值的数据进行比较判断,当探头检测到纯水水质变差时,ICi可编控制器控制废水电磁阀打开排放废水,当探头检测到纯水水质符合标准时,关闭废水电磁阀,打开回流管道的单向阀,使这部分废水回流进入二级或三级预处理过滤后,再进行反渗透膜处理,使这部分低浓度废水变成纯水,从而减少废水排放量以提高纯水比例,既达到动态监测纯水质量,又能节约水资源和节约能源目的,使广大用户节约水源和用费目的。 [0013] Advantageous effects of the above design is that the microcomputer compares the data determined by the controller setpoint is stored and real-time monitoring of the total solids content of pure water solubility, when the probe to detect water quality deterioration, can ICi the controller controls the provision of wastewater discharge waste water solenoid valve opens, when the probe detects the water quality standard, the solenoid valve to close the wastewater, to open the check valve in the return line, so that this part of the waste water backflow into two or three pre-filtered, then the reverse osmosis membrane treatment, so that it becomes part of the low-concentration waste water, thus reducing the discharge of waste water to increase the proportion of both to achieve dynamic monitoring water quality, but also save water and energy saving purposes, the majority of users save water and use fee purposes.

附图说明 BRIEF DESCRIPTION

[0014] 图I为本实用新型整体结构示意图。 [0014] Figure I a schematic view of the overall utility of the present novel structure.

[0015] 图2为微电脑控制器电路框图。 [0015] FIG. 2 is a circuit block diagram of the microcomputer controller.

[0016] 图3为本实用新型控制流程示意图。 [0016] FIG. 3 is a schematic control flow invention.

具体实施方式 Detailed ways

[0017] 结合附图对本实用新型实施例做进一步详述。 [0017] DETAILED DESCRIPTION OF THE DRAWINGS further embodiment of the present invention.

[0018] 如图I所示,家用水处理机包括水预处理过滤器I〜3,增压泵7、反渗透过滤器8、高水压开关9、废水比例器12、冲洗电磁阀13、废水电磁阀14、后置过滤器15和双出水龙头16以及储水桶17,水预处理过滤器通常是三级,第一级为聚丙烯膜过滤器1,用于滤除原水中的泥砂、颗粒和悬浮物,第二级为颗粒活性炭过滤器2,第三级为挤压活性炭棒过滤器3,三级水预处理串连组成截留水中异味、余氯、重金属及有机物等对人体有害物,滤过水经增压泵7进入反渗透过滤器8,反渗透膜去除水中极细微的颗粒、重金属离子病菌等有害物质。 [0018] FIG I, the machine includes water pretreatment household water treatment filter I~3, booster pumps 7, 8 reverse osmosis filter, the high pressure switch 9, the proportion of the waste water 12, rinsing solenoid valve 13, wastewater solenoid valves 14, 15 and after filter 16 and double faucet storage tank 17, water pretreatment typically three filters, the first stage is a polypropylene membrane filter 1 for filtering raw water sediment, and suspended particulate matter, the second stage is a granular activated carbon filter 2, activated carbon is an extruded third stage filter rod 3, three series water pretreatment composition entrapping water odor, chlorine, heavy metals and organic compounds and other harmful substances on the human body , filtered water booster pump 7 through the filter 8 into the reverse osmosis, reverse osmosis water to remove very fine particles, bacteria and other harmful heavy metal ions substances.

[0019] 利用高压泵增水压反渗透原理产生的纯水只有原水的1/3,其余2/3作为废水排放,排废水管路上连接废水比例器12再串接废水电磁阀14,在废水电磁阀14的出水口连接冲洗电磁阀13再接口废水比例器12的进水端来完成反渗透过滤器8的冲洗,这是一种扩大排放流量的方法来实现冲洗,也就是说凡是在家中使用纯水机净化饮用,都要浪费2/3的自来水资源,这是目前家用纯水机存在迫切解决的技术难题,随着各地自来水质量的不断提高,这个技术难题迫切需要解决。 [0019] using a high pressure pump by hydraulic principle of reverse osmosis purified water to produce the raw water only 1/3, as 2/3 of the remaining waste water, waste water effluent piping connected to waste ratio of 12 and then the electromagnetic valve 14 in series, the waste water solenoid valve 14 is connected to the outlet solenoid valve 13 and then flushing the interface proportion wastewater influent end 12 to complete the rinsing reverse osmosis filter 8, which is a method of expanding the discharge flow rate of irrigation is achieved, i.e. all home use purify drinking water machine, water resources have to waste two-thirds of which is to solve the technical problems there is an urgent household water, water with the continuous improvement of the quality of the country, the urgent need to address technical problems.

[0020] 如图I所示,在反渗透过滤器8和高水压开关9出纯水管上设一纯水水质监测探头10,用于检测纯水的水质,本实用新型暂设定纯水的溶解性总固体量小于等于50mg/L,若检测探头检测到纯水的溶解性总固体含量没超过设定值,关闭废水排放电磁阀14,将废水由回流管道11回流。 [0020] As shown in FIG. I, a water quality monitoring sensor is provided on a reverse osmosis filter and a high-pressure switch 8 9 Pure water 10, for detecting the water quality of pure water, the present invention temporarily set pure total dissolved solids water is less than equal to 50mg / L, when the detection probe is detected pure water total dissolved solids content of no more than a set value, the discharge solenoid valve 14 closed, the waste water by the reflux return line 11 waste water. 如图I所示,回流管道11的一端连接在废水电磁阀14和废水比例器12之间,另一端连接在第一级预处理过滤芯I与第二级预处理过滤芯2之间,通过低水压开关4进入预处理过滤器。 FIG I, one end of the return line 11 is connected between the waste water and waste proportional solenoid valves 12, 14, and the other end connected between the first pre-stage I filter element and the second-stage pre-filter element 2, by low pressure switch 4 into the pre-filter.

[0021] 控制纯水机工作的微电脑控制器,如图2所示,微电脑控制器包括ICl可编程控制器18,24DC稳压电源单元17,其输入端分别设纯水水质监控单元19、纯水水质设定单元21、原水水压监测单元23、水泵电平控制单元24,其输出端分别设废水排放监控电磁阀单元20控制废水排放电磁阀14、冲洗电磁监控单元22控制冲洗电磁阀13,显示单元25包括纯水溶解性总固体含量显示,纯水流量、废水比例、原水水压、增压原水压的数字显示,以及废水排放电磁阀或冲洗电磁阀的工作状态显示。 [0021] The water control work machine microcomputer controller, as shown in FIG ICl microcomputer controller comprises a programmable controller 18,24DC power supply unit 172, which are respectively provided input water quality monitoring unit 19, pure water quality setting unit 21, the raw water pressure monitoring unit 23, the pump level control unit 24, which output terminals are provided to monitor the waste water discharge unit 20 controls the solenoid valve wastewater discharge solenoid valve 14, the monitoring unit 22 controls the electromagnetic flushing the flushing solenoid valve 13 the display unit 25 includes a total solids content of the water solubility of the display, the flow rate of pure water, wastewater number ratio, the raw water pressure, the boost pressure of the original display, and the waste water discharge solenoid valve or solenoid valve flushing operation state display.

[0022] 图3所示为纯水机在微电脑控制下的工作流程,纯水机通电通水后ICl可编程控制器启动100,若无水进入ICl输出报警信号进行报警101,若有水且水压正常,纯水机开始工作102,储水桶未满时104,纯水机进行制水106,TDS探头监测纯水质量105,若纯水质量低于存储器的设定值,ICl控制废水电磁阀关闭108,并打开单向阀6,将废水引回纯水机的输入端继续进行反渗透制纯水111,节约水资源;若TDS探头检测结果高于设定值109,ICl控制废水电磁阀打开110,将废水排放;微电脑控制器同时显示TDS检测值、废水电磁阀工作状态、增压泵水压和低压开关水压以及废水比例值等。 [0022] Figure workflow is pure water under microcomputer control, the pure water 3 is energized ICl programmable controller 100 starts, the absence of water entering through the water ICl alarm 101 outputs an alarm signal, if water and normal pressure, pure water 102 to work, when the full storage tank 104, the water system of pure water machine 106, TDS 105 probes to monitor the water quality, water quality, if the memory is below the set value, the electromagnetic control of ICl wastewater close valve 108, and opens the check valve 6, the waste water lead back to the input of the machine 111 to proceed in reverse osmosis water, saving water; TDS probe if the detection result is higher than the set value 109, ICl wastewater control solenoid valve 110 is opened, the waste water; micro controller simultaneously displays the detected value TDS, solenoid activated waste water, the water pressure booster pump and waste water and the low-pressure switch scale values ​​and the like. ICl还计数累计制水时间达7. 5小时114,控制冲洗电磁阀打开60秒,对反渗透过滤器8进行清洗112,并将累计制水时间归零,同时控制纯水机停止工作不制水,冲洗60秒后重新制纯水,继续进行循环控制。 ICl also count the accumulated time of water 114 up to 7.5 hours, the flushing control solenoid valve open for 60 seconds to 8 for cleaning a reverse osmosis filter 112, and the accumulated time zero of water, while the control system does not stop working water water, re-rinsed 60 seconds with pure water system, the control loop continues.

[0023] ICl可编程控制器内设可修改的控制程序,可根据各地自来水质差别或用户饮水要求输入设定数据,并可在纯水水质设定单元21接入输入按键或键盘输入数据或修改控制流程。 [0023] ICl may be equipped with a programmable controller to modify the control program, setting data may be input in accordance with the water around the water quality difference or user requirements, and the water quality data, or the access setting unit 21 input keys or keyboard input change control process.

Claims (6)

1. 一种家用水处理机,它包括水预处理过滤器(I〜3)、增压泵(7)、反渗透过滤器(8)、高水压开关(9)、废水比例器(12)、废水电磁阀(14)、后置过滤器(15)、纯水储水桶(17)和双出水龙头(16),其特征是在反渗透过滤器(8)出纯水的高水压开关(9)与后置过滤器(15)和纯水储水桶(17)之间设一检测出纯水水质探头(10),在反渗透过滤器出废水的废水比例器(12 )与废水电磁阀(14 )之间连接一带单向阀(6 )的废水回流管路(11),并与所述水预处理过滤器入水端相连接;一微电脑控制器(18),其输入端与所述的出纯水水质探头(10)的电信号端连接,所述微电脑控制器(18)的输出端分别连接废水电磁阀(14)电信号输入端和单向电磁阀(6)的电信号输入端。 A household water treatment machine, which comprises a water pretreatment filter (I~3), a booster pump (7), a reverse osmosis filter (8), a high pressure switch (9), the ratio of waste water (12 ), waste water solenoid valve (14), the post filter (15), water storage tank (17) and bis faucet (16), characterized in that the reverse osmosis filter (8) of the high pressure water switch (9) and after filter (15) and between the water storage tank (17) is provided a water quality detected by the probe (10), (12) and the proportion of waste in the waste water is a reverse osmosis filter wastewater the connection between the solenoid valve (14) along the one-way valve (6) of the waste water return line (11), and connected to the end of the water into the water pre-filter; a microcomputer controller (18), having an input terminal end of an electrical signal according to water quality sensor (10) is connected, said microcomputer controller (18) are connected to the output terminal of waste water solenoid valve (14) electrical power input and one-way solenoid valve (6) signal input terminal.
2.根据权利要求I所述的一种家用水处理机,其特征是所述微电脑控制器(18)包括ICl可偏程控制器,24DC稳压电源单元(17),微电脑控制器输入端分别设纯水水质监控单元(19)、纯水水质设定单元(21)、原水水压监测单元(23)和水泵电平控制单元(24),微电脑控制器输出端分别设废水排放电磁阀控制单元(20)、冲洗电磁阀监控单元(22)和显示单元(25)。 2. A domestic water treatment unit according to claim I, wherein said microcomputer controller (18) comprises a programmable controller deflectable ICl, 24DC power supply unit (17), respectively, the microcomputer controller input set water quality monitoring unit (19), water quality setting unit (21), the raw water pressure monitoring unit (23) and pump level control unit (24), the controller microcomputer output terminals are disposed wastewater discharge solenoid valve control means (20), the flushing solenoid valve monitoring unit (22) and a display unit (25).
3.根据权利要求I所述的一种家用水处理机,其特征是所述带单向阀(6)的废水回流管路(11)还串连一过滤芯(5 )和终端连接一低水压开关(4 )。 According to a household water treatment unit as claimed in claim I in claim 1, wherein said wastewater return line check valve (6) (11) further connected in series through a filter (5) and a terminal connected to a low water pressure switch (4).
4.根据权利要求I所述的一种家用水处理机,其特征是所述带单向阀(6)的废水回流管路(11)和低水压开关连接在水预处理过滤器的第一级水预处理过滤器(I)与第二级水预处理过滤器(2)之间。 A domestic water treatment unit according to claim I, wherein the waste water of the return line (11) of said check valve (6) and the low-pressure switch connected to the filter water pretreatment a pre-filter between the water (I) and the second pre-stage water filter (2).
5.根据权利要求I所述的一种家用水处理机,其特征是所述纯水水质设定单元(21)可接入输入按键或键盘。 A domestic water treatment unit according to claim I, wherein said water quality setting unit (21) accessible input keys or a keyboard.
6.根据权利要求I所述的一种家用水处理机,其特征是所述的显示单元(25)包括原水水压、增压泵工作状态、纯水的溶解性总固体含量TDS、纯水流量和废水比例数字显示,以及废水排放电磁阀(14)或冲洗电磁阀(13)的工作状态显示。 According to a household water treatment unit as claimed in claim I in claim 1, characterized in that the display unit (25) comprises a raw water pressure, the boost pump working condition, the total dissolved solids TDS content of pure water, purified water wastewater flow ratio and digital display, and a waste water discharge solenoid valve (14) or flushing solenoid valve (13) operating state display.
CN2012201676319U 2012-04-19 2012-04-19 Household water treatment machine CN202542923U (en)

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103304007A (en) * 2013-06-25 2013-09-18 杨正红 Water-saving type RO (Reverse Osmosis) membrane water purifier and concentrated water discharge control method thereof
CN103964595A (en) * 2013-02-04 2014-08-06 深圳安吉尔饮水产业集团有限公司 Water purifier, and pulse wastewater discharging apparatus and control method thereof
CN104150663A (en) * 2014-08-31 2014-11-19 晨氏(天津)科技有限公司 Ultrapure water producing system
CN104556303A (en) * 2014-12-26 2015-04-29 上海璞玉环保科技有限公司 Water-saving type reverse osmosis membrane water purifier
CN104944524A (en) * 2014-12-03 2015-09-30 佛山市云米电器科技有限公司 Reverse-osmosis water purification unit and wastewater emission ratio regulation method thereof
CN105314709A (en) * 2015-11-24 2016-02-10 佛山市顺德区美的饮水机制造有限公司 Water purification system and control method of same
CN107915281A (en) * 2016-10-11 2018-04-17 青岛经济技术开发区海尔热水器有限公司 RO (reverse osmosis) water purification system

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103964595A (en) * 2013-02-04 2014-08-06 深圳安吉尔饮水产业集团有限公司 Water purifier, and pulse wastewater discharging apparatus and control method thereof
CN103304007A (en) * 2013-06-25 2013-09-18 杨正红 Water-saving type RO (Reverse Osmosis) membrane water purifier and concentrated water discharge control method thereof
CN103304007B (en) 2013-06-25 2014-09-10 杨正红 Water-saving type RO (Reverse Osmosis) membrane water purifier and concentrated water discharge control method thereof
CN104150663A (en) * 2014-08-31 2014-11-19 晨氏(天津)科技有限公司 Ultrapure water producing system
CN104944524A (en) * 2014-12-03 2015-09-30 佛山市云米电器科技有限公司 Reverse-osmosis water purification unit and wastewater emission ratio regulation method thereof
CN104556303A (en) * 2014-12-26 2015-04-29 上海璞玉环保科技有限公司 Water-saving type reverse osmosis membrane water purifier
CN105314709A (en) * 2015-11-24 2016-02-10 佛山市顺德区美的饮水机制造有限公司 Water purification system and control method of same
CN107915281A (en) * 2016-10-11 2018-04-17 青岛经济技术开发区海尔热水器有限公司 RO (reverse osmosis) water purification system

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