CN106745521A - The reverse osmosis purified water system and its adjusting method of a kind of adjustable waste water ratio - Google Patents
The reverse osmosis purified water system and its adjusting method of a kind of adjustable waste water ratio Download PDFInfo
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- 239000002351 wastewater Substances 0.000 title claims abstract description 126
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 109
- 238000001223 reverse osmosis Methods 0.000 title claims abstract description 89
- 238000000034 method Methods 0.000 title claims abstract description 14
- 239000008213 purified water Substances 0.000 title claims description 5
- 239000012528 membrane Substances 0.000 claims abstract description 53
- 238000000746 purification Methods 0.000 claims abstract description 52
- 238000001514 detection method Methods 0.000 claims abstract description 48
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 28
- 238000005516 engineering process Methods 0.000 description 5
- 239000003651 drinking water Substances 0.000 description 3
- 235000020188 drinking water Nutrition 0.000 description 3
- 238000004904 shortening Methods 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000005416 organic matter Substances 0.000 description 2
- 238000011045 prefiltration Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- 241000700605 Viruses Species 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 230000035622 drinking Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/441—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by reverse osmosis
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
- B01D61/02—Reverse osmosis; Hyperfiltration ; Nanofiltration
- B01D61/025—Reverse osmosis; Hyperfiltration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
- B01D61/02—Reverse osmosis; Hyperfiltration ; Nanofiltration
- B01D61/10—Accessories; Auxiliary operations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
- B01D61/02—Reverse osmosis; Hyperfiltration ; Nanofiltration
- B01D61/12—Controlling or regulating
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/001—Upstream control, i.e. monitoring for predictive control
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/03—Pressure
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/10—Solids, e.g. total solids [TS], total suspended solids [TSS] or volatile solids [VS]
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Water Supply & Treatment (AREA)
- Nanotechnology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Organic Chemistry (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Water Treatment By Sorption (AREA)
Abstract
本发明公开了一种可调节废水比的反渗透净水系统及其调节方法，反渗透净水系统包括反渗透膜过滤器、设置在反渗透膜过滤器前端的预置过滤器组，反渗透膜过滤器出口设置有废水出水管路；预置过滤器组前端设有TDS检测传感器，废水出水管路上设有可调节废水比。TDS检测传感器用于实时检测进入到预置过滤器组的水源的质量，可调节废水比可以根据TDS检测传感器实时检测的TDS值自动调节废水比，即可以调节从废水出水管路中流出的废水的废水比，以使得本发明的反渗透净水系统达到最理想的工作状态，延长反渗透膜过滤器的使用寿命，本发明的可调节废水比的反渗透净水系统具有净水效率好且可靠性高的优点。
The invention discloses a reverse osmosis water purification system capable of adjusting the ratio of waste water and its adjustment method. The outlet of the membrane filter is provided with a wastewater outlet pipeline; the front end of the preset filter group is equipped with a TDS detection sensor, and the wastewater outlet pipeline is equipped with an adjustable wastewater ratio. The TDS detection sensor is used to detect the quality of the water source entering the preset filter group in real time, and the waste water ratio can be adjusted automatically according to the TDS value detected by the TDS detection sensor in real time, that is, the waste water flowing out of the waste water outlet pipeline can be adjusted Wastewater ratio, so that the reverse osmosis water purification system of the present invention reaches the most ideal working state, prolongs the service life of the reverse osmosis membrane filter, the reverse osmosis water purification system of the present invention can adjust the waste water ratio and has good water purification efficiency and The advantage of high reliability.
Description
技术领域technical field
本发明涉及净水设备技术领域，具体来说涉及一种可调节废水比的反渗透净水系统及其调节方法。The invention relates to the technical field of water purification equipment, in particular to a reverse osmosis water purification system capable of adjusting the ratio of waste water and an adjustment method thereof.
背景技术Background technique
RO纯水机(或称RO反渗透纯水机/RO净水机) 即使用反渗透技术原理进行水过滤的净水机，RO反渗透技术是美国政府和美国太空总署，为解决宇宙飞船中宇航员的饮用水和载水问题，花巨资历经多年研发的一项高科技产品，已广泛用于军事、医疗、工业、民用等各个领域。RO pure water machine (or RO reverse osmosis pure water machine/RO water purifier) is a water purifier that uses the principle of reverse osmosis technology to filter water. RO reverse osmosis technology is the US government and NASA. The problem of drinking water and carrying water for astronauts in China is a high-tech product developed after spending a lot of money for many years, which has been widely used in military, medical, industrial, civil and other fields.
RO净水技术能去除水中的各种有害杂质、重金属、病毒、细菌等，去除效率高，去除彻底，是一种较好的制取纯净水的方式。基于净水机“直饮水”无菌、无需加热即可直接饮用的特点，再加之卫生、方便、口感好的优势而备受民众欢迎。在制取直饮水的技术中， RO净水技术亦因国际公认的先进、安全、可靠而在全世界获得最大范围的认可和肯定。RO water purification technology can remove various harmful impurities, heavy metals, viruses, bacteria, etc. in water, with high removal efficiency and complete removal. It is a better way to produce pure water. Based on the characteristics of the "direct drinking water" of the water purifier, which is sterile and can be drunk directly without heating, coupled with the advantages of hygiene, convenience and good taste, it is very popular among the public. Among the technologies for producing direct drinking water, RO water purification technology has also won the widest range of recognition and affirmation in the world because of its internationally recognized advanced, safe and reliable.
但是目前市场上的RO净水机存在一个问题，一款RO净水系统通常需要匹配各种水质的水源，导致RO净水机系统寿命大大缩减，RO膜寿命缩减，浓缩水排放量大等问题。However, there is a problem with the RO water purifiers currently on the market. An RO water purification system usually needs to match various water quality water sources, resulting in a greatly reduced life of the RO water purifier system, a shortened life of the RO membrane, and a large discharge of concentrated water. .
发明内容Contents of the invention
本发明的目的在于提供一种可调节废水比的反渗透净水系统及其调节方法，以解决现有的反渗透净水系统由于需要匹配不同水质的水源而导致RO膜寿命缩减的问题。The purpose of the present invention is to provide a reverse osmosis water purification system with adjustable wastewater ratio and its adjustment method, so as to solve the problem of shortening the service life of RO membrane due to the need to match different water quality water sources in the existing reverse osmosis water purification system.
为此，本发明提供了一种可调节废水比的反渗透净水系统，包括反渗透膜过滤器、设置在所述反渗透膜过滤器前端的预置过滤器组以及设置在所述反渗透膜过滤器后端的活性炭过滤器，所述反渗透膜过滤器出口设置有废水出水管路和净水管路；所述预置过滤器组前端设有TDS检测传感器，所述废水出水管路上设有可调节废水比，所述可调节废水比根据所述TDS检测传感器测得的TDS值自动调节废水比。For this reason, the present invention provides a reverse osmosis water purification system that can adjust the ratio of waste water, including a reverse osmosis membrane filter, a preset filter group arranged at the front end of the reverse osmosis membrane filter, and a filter group arranged at the reverse osmosis filter The activated carbon filter at the rear end of the membrane filter, the outlet of the reverse osmosis membrane filter is provided with a waste water outlet pipeline and a water purification pipeline; the front end of the preset filter group is provided with a TDS detection sensor, and the waste water outlet pipeline is provided with There is an adjustable wastewater ratio, and the adjustable wastewater ratio automatically adjusts the wastewater ratio according to the TDS value measured by the TDS detection sensor.
本发明还提供了可调节废水比的反渗透净水系统的调节方法，当所述TDS检测传感器检测的TDS值小于等于200时，所述可调节废水比自动调节废水比为180-220CC；当所述TDS检测传感器检测的TDS值大于200且小于等于600时，所述可调节废水比自动调节废水比为300-340CC；当所述TDS检测传感器检测的TDS值大于600时，所述可调节废水比自动调节废水比为400-440CC。The present invention also provides an adjustment method for a reverse osmosis water purification system that can adjust the wastewater ratio. When the TDS value detected by the TDS detection sensor is less than or equal to 200, the adjustable wastewater ratio automatically adjusts the wastewater ratio to 180-220CC; When the TDS value detected by the TDS detection sensor is greater than 200 and less than or equal to 600, the adjustable waste water ratio automatically adjusts the waste water ratio to 300-340CC; when the TDS value detected by the TDS detection sensor is greater than 600, the adjustable Waste water ratio automatically adjusts the waste water ratio to 400-440CC.
与现有技术相比，本发明的优点和积极效果是：本发明提供了一种可调节废水比的反渗透净水系统及其调节方法，可调节废水比的反渗透净水系统包括反渗透膜过滤器、设置在反渗透膜过滤器前端的预置过滤器组以及设置在反渗透膜过滤器后端的活性炭过滤器，反渗透膜过滤器出口设置有废水出水管路和净水管路；预置过滤器组前端设有TDS检测传感器，废水出水管路上设有可调节废水比。本发明的可调节废水比的反渗透净水系统的TDS检测传感器设置在预置过滤器组前端，TDS检测传感器用于实时检测进入到预置过滤器组的水源的质量；TDS检测传感器检测到的数值为TDS值，为水中溶解性固体总量，测量单位为毫克/升。可调节废水比设置在废水出水管路上，可调节废水比可以根据TDS检测传感器实时检测的TDS值自动调节废水比，即可以调节从废水出水管路中流出的废水的废水比。因此，本发明的可调节废水比的反渗透净水系统可以适应不同的水质，可以利用TDS检测传感器实时检测进入到预置过滤器组的各种水质的质量，并可以根据TDS检测传感器实时检测的TDS值自动调节废水比，使得从废水出水管路中流出的废水达到合适的废水比，以使得本发明的反渗透净水系统达到最理想的工作状态，不会增加反渗透膜过滤器的反渗透膜的压力，从而可以延长反渗透膜过滤器的使用寿命，本发明的可调节废水比的反渗透净水系统具有净水效率好且可靠性高的优点。本发明的可调节废水比的反渗透净水系统的调节废水比的方法可以实时自动进行废水比的调节，可以保证反渗透膜的正常工作压力，防止反渗透膜的工作压力过大而导致反渗透膜的使用寿命缩短。Compared with the prior art, the advantages and positive effects of the present invention are: the present invention provides an adjustable wastewater ratio reverse osmosis water purification system and its adjustment method, the adjustable wastewater ratio reverse osmosis water purification system includes reverse osmosis Membrane filter, a preset filter group arranged at the front end of the reverse osmosis membrane filter and an activated carbon filter arranged at the rear end of the reverse osmosis membrane filter, and the outlet of the reverse osmosis membrane filter is provided with a waste water outlet pipeline and a water purification pipeline; The front end of the preset filter group is equipped with a TDS detection sensor, and the wastewater outlet pipeline is equipped with an adjustable wastewater ratio. The TDS detection sensor of the reverse osmosis water purification system with adjustable wastewater ratio of the present invention is arranged at the front end of the preset filter group, and the TDS detection sensor is used to detect in real time the quality of the water source entering the preset filter group; the TDS detection sensor detects The value of is the TDS value, which is the total amount of dissolved solids in water, and the unit of measurement is mg/L. The adjustable wastewater ratio is set on the wastewater outlet pipeline. The adjustable wastewater ratio can automatically adjust the wastewater ratio according to the TDS value detected by the TDS detection sensor in real time, that is, the wastewater ratio of the wastewater flowing out of the wastewater outlet pipeline can be adjusted. Therefore, the reverse osmosis water purification system with adjustable wastewater ratio of the present invention can adapt to different water qualities, can utilize the TDS detection sensor to detect in real time the quality of various water qualities entering the preset filter group, and can detect in real time according to the TDS detection sensor The TDS value automatically adjusts the waste water ratio, so that the waste water flowing out from the waste water outlet pipeline reaches a suitable waste water ratio, so that the reverse osmosis water purification system of the present invention can reach the most ideal working state without increasing the reverse osmosis membrane filter. The pressure of the reverse osmosis membrane can prolong the service life of the reverse osmosis membrane filter. The reverse osmosis water purification system with adjustable waste water ratio of the present invention has the advantages of high water purification efficiency and high reliability. The method for adjusting the wastewater ratio of the reverse osmosis water purification system that can adjust the wastewater ratio of the present invention can automatically adjust the wastewater ratio in real time, can ensure the normal working pressure of the reverse osmosis membrane, and prevent the reverse osmosis membrane from being caused by excessive working pressure. The service life of the permeable membrane is shortened.
结合附图阅读本发明的具体实施方式后，本发明的其他特点和优点将变得更加清楚。Other characteristics and advantages of the present invention will become clearer after reading the detailed description of the present invention in conjunction with the accompanying drawings.
附图说明Description of drawings
图1是本发明可调节废水比的反渗透净水系统的一种实施例的结构示意图；Fig. 1 is a structural representation of an embodiment of the reverse osmosis water purification system that can adjust the ratio of waste water of the present invention;
图2是本发明可调节废水比的反渗透净水系统的TDS检测传感器及可调节废水比与控制系统的连接原理图。Fig. 2 is a schematic diagram of the TDS detection sensor of the reverse osmosis water purification system with adjustable wastewater ratio and the connection principle diagram between the adjustable wastewater ratio and the control system of the present invention.
图1-图2中，附图标记及其对应的部件名称如下：In Fig. 1-Fig. 2, the reference numerals and their corresponding component names are as follows:
1.反渗透膜过滤器；2.预置过滤器组；21.PPF初效过滤器；22.UDF过滤器；23.CTO过滤器；3.活性炭过滤器；4.TDS检测传感器；5.可调节废水比；6.进水电磁阀；7.控制系统；8.水质监测器；9.净水出口；10.压力桶；11.三通。1. Reverse osmosis membrane filter; 2. Preset filter group; 21. PPF primary filter; 22. UDF filter; 23. CTO filter; 3. Activated carbon filter; 4. TDS detection sensor; 5. Adjustable waste water ratio; 6. Inlet solenoid valve; 7. Control system; 8. Water quality monitor; 9. Clean water outlet; 10. Pressure barrel; 11. Tee.
具体实施方式detailed description
以下对本发明的具体实施方式进行详细说明，应当理解的是，此处所描述的具体实施方式仅用于说明和解释本发明，并不用于限制本发明。The specific embodiments of the present invention will be described in detail below, and it should be understood that the specific embodiments described here are only used to illustrate and explain the present invention, and are not intended to limit the present invention.
如图1所示，本发明的可调节废水比的反渗透净水系统包括反渗透膜过滤器1、设置在反渗透膜过滤器1前端的预置过滤器组2以及设置在反渗透膜过滤器1后端的活性炭过滤器3，反渗透膜过滤器1出口设置有废水出水管路和净水管路；预置过滤器组2前端设有TDS检测传感器4，废水出水管路上设有可调节废水比5，可调节废水比5根据TDS检测传感器4测得的TDS值自动调节废水比。As shown in Figure 1, the reverse osmosis water purification system of the present invention that can adjust the wastewater ratio includes a reverse osmosis membrane filter 1, a preset filter group 2 arranged at the front end of the reverse osmosis membrane filter 1, and a filter group 2 arranged at the front end of the reverse osmosis membrane filter The activated carbon filter 3 at the back end of the device 1, the outlet of the reverse osmosis membrane filter 1 is provided with a waste water outlet pipeline and a water purification pipeline; the front end of the preset filter group 2 is provided with a TDS detection sensor 4, and an adjustable Wastewater ratio 5, adjustable waste water ratio 5 automatically adjusts the waste water ratio according to the TDS value measured by the TDS detection sensor 4.
本发明的可调节废水比的反渗透净水系统的TDS检测传感器4设置在预置过滤器组2前端，TDS检测传感器4用于实时检测进入到预置过滤器组2的水源的质量；TDS检测传感器4检测到的数值为TDS值，为水中溶解性固体总量，测量单位为毫克/升。可调节废水比5设置在废水出水管路上，可调节废水比5可以根据TDS检测传感器4实时检测的TDS值自动调节废水比，即可以调节从废水出水管路中流出的废水的废水比。因此，本发明的可调节废水比的反渗透净水系统可以适应不同的水质，可以利用TDS检测传感器4实时检测进入到预置过滤器组2的各种水质的质量，并可以根据TDS检测传感器4实时检测的TDS值自动调节废水比，使得从废水出水管路中流出的废水达到合适的废水比，以使得本发明的反渗透净水系统达到最理想的工作状态，不会增加反渗透膜过滤器1的反渗透膜的压力，从而可以延长反渗透膜过滤器1的使用寿命。本发明的可调节废水比的反渗透净水系统具有净水效率好且可靠性高的优点。The TDS detection sensor 4 of the reverse osmosis water purification system that can adjust the wastewater ratio of the present invention is arranged on the front end of the preset filter group 2, and the TDS detection sensor 4 is used to detect the quality of the water source entering the preset filter group 2 in real time; TDS The value detected by the detection sensor 4 is the TDS value, which is the total amount of dissolved solids in water, and the measurement unit is mg/L. The adjustable wastewater ratio 5 is set on the wastewater outlet pipeline. The adjustable wastewater ratio 5 can automatically adjust the wastewater ratio according to the TDS value detected by the TDS detection sensor 4 in real time, that is, the wastewater ratio of the wastewater flowing out of the wastewater outlet pipeline can be adjusted. Therefore, the reverse osmosis water purification system with adjustable waste water ratio of the present invention can adapt to different water qualities, can utilize the TDS detection sensor 4 to detect in real time the quality of various water qualities entering the preset filter group 2, and can detect the sensor according to the TDS 4 The TDS value detected in real time automatically adjusts the wastewater ratio, so that the wastewater flowing out of the wastewater outlet pipeline reaches a suitable wastewater ratio, so that the reverse osmosis water purification system of the present invention can reach the most ideal working state without increasing the reverse osmosis membrane The pressure of the reverse osmosis membrane of the filter 1 can prolong the service life of the reverse osmosis membrane filter 1. The reverse osmosis water purification system with adjustable waste water ratio of the present invention has the advantages of good water purification efficiency and high reliability.
本发明的可调节废水比的反渗透净水系统还包括控制系统7，控制系统7的输入端输入TDS检测传感器4的检测信号，输出信号至可调节废水比5，控制可调节废水比5根据TDS检测传感器4测得的TDS值自动调节废水比。控制系统7为本技术领域通用的控制系统，控制系统7输入TDS检测传感器4的检测信号，输出信号至可调节废水比5，控制可调节废水比5根据TDS检测传感器4测得的TDS值自动调节废水比所采用的控制方法为本技术领域通用的控制方法，在此不再详细说明。The reverse osmosis water purification system with adjustable wastewater ratio of the present invention also includes a control system 7, the input terminal of the control system 7 inputs the detection signal of the TDS detection sensor 4, and the output signal is to the adjustable wastewater ratio 5, and the adjustable wastewater ratio 5 is controlled according to The TDS value measured by the TDS detection sensor 4 automatically adjusts the waste water ratio. The control system 7 is a general control system in this technical field. The control system 7 inputs the detection signal of the TDS detection sensor 4, outputs the signal to the adjustable wastewater ratio 5, and controls the adjustable wastewater ratio 5 automatically according to the TDS value measured by the TDS detection sensor 4. The control method used to adjust the wastewater ratio is a common control method in the technical field, and will not be described in detail here.
反渗透膜过滤器1的进口前端设有进水电磁阀6，进水电磁阀6可以控制进入反渗透膜过滤器1的水量大小。The inlet front end of the reverse osmosis membrane filter 1 is provided with a water inlet solenoid valve 6, and the water inlet solenoid valve 6 can control the amount of water entering the reverse osmosis membrane filter 1.
预置过滤器组2包括依次连接的PPF初效过滤器21、UDF过滤器22以及CTO过滤器23。The preset filter group 2 includes a PPF primary filter 21 , a UDF filter 22 and a CTO filter 23 connected in sequence.
本实施例所提出的反渗透净水系统包括三级过滤器，如图1所示的预置过滤器组2,反The reverse osmosis water purification system proposed in this embodiment includes three-stage filter, the preset filter group 2 shown in Figure 1, reverse osmosis
渗透膜过滤器1和活性炭过滤器3。其中预置过滤器组2置在反渗透膜过滤器1前端，活性炭过滤器3设置在反渗透膜过滤器1后端。其中预置过滤器组2中包括依次连接的PPF初效过滤器21、UDF过滤器22以及CTO过滤器23。预置过滤器组2可以去除水中余氯、大部分悬浮物、铁锈、胶体以及部分有机物和嗅和味。反渗透膜过滤器1可以起到杀菌的作用，而活性炭过滤器3可以进一步去除有机物、嗅和味并改善口感，从而制得供饮用的净水。Permeable membrane filter 1 and activated carbon filter 3. Wherein the preset filter group 2 is arranged at the front end of the reverse osmosis membrane filter 1, and the activated carbon filter 3 is arranged at the rear end of the reverse osmosis membrane filter 1. The preset filter group 2 includes a PPF primary filter 21 , a UDF filter 22 and a CTO filter 23 connected in sequence. The preset filter group 2 can remove residual chlorine, most suspended matter, rust, colloid and some organic matter and smell and taste in water. The reverse osmosis membrane filter 1 can play the role of sterilization, and the activated carbon filter 3 can further remove organic matter, smell and taste and improve the taste, thereby making clean water for drinking.
活性炭过滤器3的出口依次设置有水质监测器8和净水出口9，优选地，水质监测器8可以为TDS检测传感器。经过活性炭过滤器3过滤得到的净水从净水出口9中流出，水质监测器8可以用于检测经过活性炭过滤器3过滤得到的净水的TDS值，可以测试由本发明的可调节废水比的反渗透净水系统制备得到的净水的质量。The outlet of the activated carbon filter 3 is provided with a water quality monitor 8 and a purified water outlet 9 in sequence. Preferably, the water quality monitor 8 can be a TDS detection sensor. The clean water obtained by filtering the active carbon filter 3 flows out from the clean water outlet 9, and the water quality monitor 8 can be used to detect the TDS value of the clean water obtained by filtering the active carbon filter 3, which can be tested by the adjustable waste water ratio of the present invention. The quality of the purified water prepared by the reverse osmosis water purification system.
本发明的可调节废水比的反渗透净水系统还包括压力桶10和三通11，三通设置在净水管路上，三通11一路连通活性炭过滤器3的进口，一路连通压力桶10，另一路连通净水管路，压力桶10可以平衡水量和压力。The reverse osmosis water purification system with adjustable wastewater ratio of the present invention also includes a pressure barrel 10 and a tee 11, the tee is arranged on the water purification pipeline, the tee 11 is connected to the inlet of the activated carbon filter 3 all the way, and the pressure barrel 10 is connected all the way. The other way is connected with the clean water pipeline, and the pressure tank 10 can balance the water volume and pressure.
本发明的可调节废水比的反渗透净水系统的工作过程为：反渗透净水系统开始工作，设置在反渗透膜过滤器1的进口前端的进水电磁阀6打开，经预置过滤器组2过滤的水进入反渗透膜过滤器1，从反渗透膜过滤器1中流出的过滤水从净水管路排出并通过活性炭过滤器3制得净水，从反渗透膜过滤器1中流出的废水从废水出水管路排出。设置在预置过滤器组2前端的TDS检测传感器4实时检测进入到预置过滤器组2的水源的TDS值，并将测得的TDS值信号传送至控制系统7，控制系统7输出信号至可调节废水比5，使得可调节废水比5根据TDS值的大小自动调节从废水出水管路排出的废水的废水比。The working process of the reverse osmosis water purification system with adjustable wastewater ratio of the present invention is as follows: the reverse osmosis water purification system starts to work, the water inlet solenoid valve 6 arranged at the front end of the inlet of the reverse osmosis membrane filter 1 is opened, and the The water filtered by group 2 enters the reverse osmosis membrane filter 1, and the filtered water flowing out from the reverse osmosis membrane filter 1 is discharged from the water purification pipeline and passed through the activated carbon filter 3 to obtain purified water. The outflowing waste water is discharged from the waste water outlet pipe. The TDS detection sensor 4 arranged at the front end of the preset filter group 2 detects the TDS value of the water source entering the preset filter group 2 in real time, and transmits the measured TDS value signal to the control system 7, and the control system 7 outputs the signal to Adjustable waste water ratio 5, so that the adjustable waste water ratio 5 automatically adjusts the waste water ratio of the waste water discharged from the waste water outlet pipeline according to the size of the TDS value.
本发明的可调节废水比的反渗透净水系统的调节废水比的方法具体如下所述：The method for adjusting the wastewater ratio of the reverse osmosis water purification system that can adjust the wastewater ratio of the present invention is specifically as follows:
当TDS检测传感器4检测的TDS值小于等于200时，控制系统7的输入端输入TDS检测传感器4的检测信号，输出信号至可调节废水比5，控制可调节废水比5自动调节废水比为180-220CC；TDS值小于等于200时，进入到预置过滤器组2的水质较优，此时废水比调为180-220CC可以增加单位时间内纯水水量减少废水水量，同时可以保证反渗透膜的正常工作压力，防止反渗透膜的工作压力过大而导致反渗透膜的使用寿命缩短。When the TDS value detected by the TDS detection sensor 4 is less than or equal to 200, the input terminal of the control system 7 inputs the detection signal of the TDS detection sensor 4, and outputs the signal to the adjustable waste water ratio 5, and the control can adjust the waste water ratio 5 to automatically adjust the waste water ratio to 180 -220CC; when the TDS value is less than or equal to 200, the water quality entering the pre-filter group 2 is better. At this time, the ratio of wastewater to 180-220CC can increase the amount of pure water per unit time and reduce the amount of wastewater. At the same time, it can ensure the reverse osmosis membrane The normal working pressure of the reverse osmosis membrane is prevented from shortening the service life of the reverse osmosis membrane due to the excessive working pressure of the reverse osmosis membrane.
当TDS检测传感器4检测的TDS值大于200且小于等于600时，控制系统7的输入端输入TDS检测传感器4的检测信号，输出信号至可调节废水比5，控制可调节废水比5自动调节废水比为300-340CC；当TDS值大于200且小于等于600时，进入到预置过滤器组2的水质一般，此时废水比调为300-340CC可以增加单位时间内纯水水量减少废水水量，同时可以保证反渗透膜的正常工作压力，防止反渗透膜的工作压力过大而导致反渗透膜的使用寿命缩短。When the TDS value detected by the TDS detection sensor 4 is greater than 200 and less than or equal to 600, the input terminal of the control system 7 inputs the detection signal of the TDS detection sensor 4, and outputs the signal to the adjustable waste water ratio 5, and the control can adjust the waste water ratio 5 to automatically adjust the waste water The ratio is 300-340CC; when the TDS value is greater than 200 and less than or equal to 600, the water quality entering the preset filter group 2 is average. At this time, the ratio of wastewater to 300-340CC can increase the amount of pure water per unit time and reduce the amount of wastewater. At the same time, it can ensure the normal working pressure of the reverse osmosis membrane and prevent the service life of the reverse osmosis membrane from being shortened due to the excessive working pressure of the reverse osmosis membrane.
当TDS检测传感器4检测的TDS值大于600时，控制系统7的输入端输入TDS检测传感器4的检测信号，输出信号至可调节废水比5，控制可调节废水比5自动调节废水比为400-440CC；当TDS值大于600时，进入到预置过滤器组2的水质较差，此时废水比调为400-440CC可以增加单位时间内纯水水量减少废水水量，同时可以保证反渗透膜的正常工作压力，防止反渗透膜的工作压力过大而导致反渗透膜的使用寿命缩短。When the TDS value detected by the TDS detection sensor 4 is greater than 600, the input terminal of the control system 7 inputs the detection signal of the TDS detection sensor 4, and the output signal is to the adjustable waste water ratio 5, and the control adjustable waste water ratio 5 automatically adjusts the waste water ratio to 400- 440CC; when the TDS value is greater than 600, the water quality entering the pre-filter group 2 is poor. At this time, the wastewater ratio is adjusted to 400-440CC, which can increase the amount of pure water per unit time and reduce the amount of wastewater. At the same time, it can ensure the reverse osmosis membrane. Normal working pressure, to prevent the reverse osmosis membrane from shortening the service life of the reverse osmosis membrane due to excessive working pressure.
本发明的可调节废水比的反渗透净水系统的调节废水比的方法可以实时自动进行废水比的调节，可以保证反渗透膜的正常工作压力，防止反渗透膜的工作压力过大而导致反渗透膜的使用寿命缩短。The method for adjusting the wastewater ratio of the reverse osmosis water purification system that can adjust the wastewater ratio of the present invention can automatically adjust the wastewater ratio in real time, can ensure the normal working pressure of the reverse osmosis membrane, and prevent the reverse osmosis membrane from being caused by excessive working pressure. The service life of the permeable membrane is shortened.
以上实施例仅用以说明本发明的技术方案，而非对其进行限制；尽管参照前述实施例对本发明进行了详细的说明，对于本领域的普通技术人员来说，依然可以对前述实施例所记载的技术方案进行修改，或者对其中部分技术特征进行等同替换；而这些修改或替换，并不使相应技术方案的本质脱离本发明所要求保护的技术方案的精神和范围。The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit them; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art can still understand the foregoing embodiments. Modifications are made to the technical solutions described, or equivalent replacements are made to some of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions claimed in the present invention.
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