WO2017088273A1 - Purificateur d'eau par osmose inverse et procédé de préparation d'eau l'utilisant - Google Patents

Purificateur d'eau par osmose inverse et procédé de préparation d'eau l'utilisant Download PDF

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Publication number
WO2017088273A1
WO2017088273A1 PCT/CN2016/000020 CN2016000020W WO2017088273A1 WO 2017088273 A1 WO2017088273 A1 WO 2017088273A1 CN 2016000020 W CN2016000020 W CN 2016000020W WO 2017088273 A1 WO2017088273 A1 WO 2017088273A1
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WIPO (PCT)
Prior art keywords
water
pure water
reverse osmosis
storage tank
interface
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PCT/CN2016/000020
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English (en)
Chinese (zh)
Inventor
陈耀波
王二林
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陈耀波
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Application filed by 陈耀波 filed Critical 陈耀波
Publication of WO2017088273A1 publication Critical patent/WO2017088273A1/fr

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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
    • B01D61/08—Apparatus therefor
    • B01D61/081—Apparatus therefor used at home, e.g. kitchen
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D65/00—Accessories or auxiliary operations, in general, for separation processes or apparatus using semi-permeable membranes
    • B01D65/02—Membrane cleaning or sterilisation ; Membrane regeneration
    • 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

Definitions

  • the invention relates to a water making device, in particular to a reverse osmosis pure water machine and a water making method using the pure water machine.
  • CN202988859U "An Electroless Nanofiltration or RO Membrane Water Purifier,” discloses such a pure water machine, which includes Pressure water storage tank, four-sided valve or three-sided valve, pre-filter, nano filter or RO filter, rear filter and pure faucet, the pure water machine uses the water pressure in the pressure storage tank after the water is made to the four-sided valve or the three-sided valve The on-off control is carried out to automatically cut off the tap water into the water when the pressure storage tank is full of water, thereby controlling the water production of the pure water machine.
  • this pure water machine that does not need electricity can significantly reduce the production cost and the use cost, and achieve the purpose of safety and energy conservation.
  • the four-sided valve or the three-sided valve used in the existing pure water machine is not reliable, and as the tap water pressure fluctuates, there is often a problem of long-flowing wastewater.
  • the pressure storage bucket used is unreasonable due to the incomplete drainage. Due to the existence of gas pressure, the actual volume of the storage bucket is only half or less; and with the continuous production of pure water, the storage tank The pressure will continue to rise. At this time, the water storage bucket must bear a certain pressure. This requires the pressure barrel to have better sealing performance and higher strength. Otherwise, the sealing performance will be poor, and the water will not appear. The increase in strength will inevitably increase the production cost.
  • this water purifier requires manual flushing, and once the flush is forgotten, the system life will be greatly reduced. Therefore, this type of pure water machine has not been well marketed so far.
  • the first technical problem to be solved by the present invention is to provide a non-electricity and use pure water while flushing the reverse osmosis membrane at a large flow rate, and almost no pressure at the pure water end of the reverse osmosis membrane.
  • Reverse osmosis pure water machine Reverse osmosis pure water machine.
  • the second technical problem to be solved by the present invention is to provide a non-electric and pure water, while flushing the reverse osmosis membrane at a large flow rate, and having almost no pressure at the pure water end of the reverse osmosis membrane. Water production method for reverse osmosis pure water machine.
  • the reverse osmosis pure water machine includes a water storage bucket And a reverse osmosis membrane device, wherein the reverse osmosis membrane device is provided with a water inlet, a pure water outlet and a concentrated water outlet, the water storage tank has a pure water outlet and a concentrated water outlet, and the pure water outlet of the reverse osmosis membrane device
  • the pure water port of the water storage tank is connected, and the inside of the water storage tank is partitioned by a diaphragm into a first chamber for storing pure water and a second chamber for storing concentrated water, characterized in that: the water path is further included a switching valve and a pure water outlet for communicating with the pure water port of the water storage tank, the water switching valve includes a first interface, a second interface, and a third interface, and the water switching valve can be switched to the first The interface is connected to the third interface or is connected to the second interface and is connected to the third interface, and the concentrated water
  • the pure water outlet nozzle is integrated with the waterway switching valve to form a four-tube faucet, that is, a fourth interface is added to the waterway switching valve at this time, and the pure water outlet nozzle is switched with the waterway valve spool.
  • the action makes the pure water outlet communicate with the fourth interface (when using pure water) or phase cut (without pure water), so that bacteria and other debris can be prevented from entering the pure water outlet without using pure water.
  • the pure water is not contaminated, and such a structure does not require additional operations and the structure is more compact. It also avoids a slight pressure on the first chamber, causing water droplets to appear in the pure water outlet.
  • the pure water outlet nozzle and the waterway switching valve may be separately arranged, such as directly installed between the pure water outlet of the reverse osmosis membrane device and the pure water outlet of the water storage tank.
  • the piping makes the installation of the pure water spout more flexible.
  • an on-off valve is installed on the water path between the pure water spout and the pure water port of the water storage tank.
  • pure water that allows only the outflow from the reverse osmosis membrane device is allowed to flow into the water storage tank and the pure water outlet water.
  • the first check valve of the mouth is preferably, in the water path between the pure water outlet of the reverse osmosis membrane device and the pure water port of the water storage tank.
  • the water path between the pure water outlet of the reverse osmosis membrane device and the pure water port of the water storage tank is connected in series to prevent the outflow from the reverse osmosis membrane device in a state where the pure water of the storage tank is full. Pure water flows into the second control valve of the water storage tank.
  • the first control valve and the second control valve may take a variety of configurations.
  • the first control valve and the second control valve are mechanical valves integrated on the water reservoir and driven by the diaphragm.
  • the first control valve and the second control valve may also be magnetic valves or piston valves without spring force.
  • a second one-way valve that allows only water to be discharged from the second port is connected in series on the water path between the second port and the drain port.
  • a throttle valve is also connected in series on the second branch. And the throttle valve can regulate the flow of concentrated water flowing through the second branch.
  • the water purifier further includes a concentrated water outlet for communicating with the first interface of the water switching valve.
  • a pretreatment filter element is installed on the inlet pipe at the front end of the reverse osmosis membrane device.
  • a taste filter element is serially connected to the pipeline between the pure water outlet of the water storage tank and the pure water outlet.
  • the technical solution adopted by the present invention to solve the above second technical problem is: a water production method using the reverse osmosis pure water machine, characterized in that:
  • the water switching valve When pure water is used, the water switching valve is switched to connect the first interface and the third interface, the pure water outlet is connected to the pure water port of the water storage tank, the second interface is closed, and the water inlet is closed from the reverse osmosis membrane device.
  • the inflowing water passes through the reverse osmosis membrane device and flows out through the concentrated water outlet, and then flows into the first branch of the concentrated water outlet, and the concentrated water flowing out from the first branch flows into the storage tank through the first interface and the third interface.
  • the concentrated water in the water storage bucket squeezes the pure water out of the water storage bucket, and the squeezed pure water flows to the pure water outlet nozzle;
  • the water switching valve When the pure water is stopped, the water switching valve is switched to close the first interface, the second interface is connected to the third interface, and the pure water flowing out of the pure water outlet of the reverse osmosis membrane device flows into the water storage tank, and the pure water in the water storage tank The concentrated water is pushed out from the water storage tank, and the concentrated concentrated water flows into the third port and the second port of the water passage switching valve in sequence and is discharged through the drain port.
  • the invention has the advantages that the reverse osmosis pure water machine and the water production method can not only realize safe and safe operation, but also save energy, safety and reliability, and can overcome the traditional reverse osmosis pure water machine.
  • the pure water outlet has pressure defects, which is more in line with the reverse osmosis membrane requirement. There is no back pressure filtration principle.
  • the reverse osmosis membrane can be flushed at a large flow rate, and the water storage tank can be regarded as no pressure and can be filled with pure water.
  • Embodiment 1 is a schematic structural view of Embodiment 1 of the present invention.
  • Embodiment 2 is a schematic structural view of Embodiment 2 of the present invention.
  • Embodiment 3 is a schematic structural view of Embodiment 3 of the present invention.
  • Embodiment 4 is a schematic structural view of Embodiment 4 of the present invention.
  • Figure 5 is a schematic structural view of Embodiment 5 of the present invention.
  • Embodiment 6 is a schematic structural view of Embodiment 6 of the present invention.
  • FIG. 7 is a schematic structural view of a water outlet switching valve and a pure water outlet nozzle in an open state of a pure water outlet nozzle according to Embodiment 6 of the present invention.
  • Figure 8 is a schematic view showing the structure of the pure water spout in the closed state of Figure 7;
  • FIG. 9 is a schematic structural diagram of Embodiment 7 of the present invention.
  • Embodiment 1 is a diagrammatic representation of Embodiment 1:
  • the reverse osmosis pure water machine includes a pretreatment filter 13, a reverse osmosis membrane device 14, a water storage tank 10, a water passage switching valve 7, and a pure water outlet nozzle 5.
  • the pretreatment filter element 13 and the reverse osmosis membrane device 14 are sequentially connected in series to the inlet pipe 12, and the reverse osmosis membrane device 14 is provided with a water inlet, a pure water outlet and a concentrated water outlet.
  • the inside of the water storage tank 10 is partitioned by a diaphragm 11 into a first chamber for storing pure water and a second chamber for storing concentrated water.
  • the first chamber is provided with a pure water port, and the second chamber is opened. Concentrated water.
  • the pure water outlet 5 communicates with the pure water port of the water storage tank 10, and the taste filter 22 is installed on the pipeline between the pure water outlet of the water storage tank 10 and the pure water discharge nozzle 5. After the taste filter 22 is installed, the pure water can be improved. Taste.
  • the mouth filter 22 can be selected from conventional filter elements.
  • the concentrated water outlet of the reverse osmosis membrane device 14 is connected to the concentrated water discharge pipe 16 and branched into a first branch 161 and a second branch 162.
  • the first branch 161 is used to communicate with the water passage switching valve 7, and the second branch 162
  • the water outlet end forms a drain port 17, and a throttle valve 19 and a first control valve 18 are connected in series on the second branch path 162.
  • the first control valve is automatically closed when the water storage tank 10 is filled with pure water, thereby closing the concentrated water discharge, that is, the concentrated water flowing out from the concentrated water outlet of the reverse osmosis membrane device 14 is prevented from being discharged through the drain port 17, and the throttle valve can perform flow adjustment. .
  • the pure water outlet of the reverse osmosis membrane device 14 communicates with the pure water port of the water storage tank 10 through the clean water pipe 15, and the first check valve 20 and the second control valve 21 are connected in series to the clean water pipe 15.
  • the first check valve 20 allows only the pure water flowing out of the reverse osmosis membrane device 14 to flow into the water storage tank 10 and the pure water outlet nozzle 5, and the second control valve 21 is automatically closed in a state where the water storage tank 10 is filled with pure water, thereby The pure water flowing out of the pure water outlet of the reverse osmosis membrane device 14 is prevented from flowing into the pure water port of the water storage tank 10.
  • the waterway switching valve 7 includes a first interface 1, a second interface 2, and a third interface 3.
  • the first interface 1 is in communication with the concentrated water outlet of the reverse osmosis membrane device 14;
  • the second interface 2 is in communication with the drain port 17, and the water passage between the second interface 2 and the drain port 17 is serially connected only from the second
  • the second one-way valve 9 is connected to the outlet port;
  • the third port 3 is connected to the concentrated water port of the water storage tank 10.
  • the waterway switching valve 7 can be switched to the first interface 1 to communicate with the third interface 3 or to the second interface 2 to communicate with the third interface 3, as needed.
  • the pure water spout 5 and the waterway switching valve 7 are separately provided. Specifically, the pure water spout 5 is directly installed at the pure water outlet of the reverse osmosis membrane device 14 and the pure water port of the water storage tank 10. The piping between the pipes makes the installation of the pure water nozzle 5 more flexible.
  • the first control valve 18 and the second control valve 21 in this embodiment are mechanical valves that are integrated on the water storage tank 10 and are driven by the diaphragm 11. Specifically, the first control valve 18 and the second control valve 21 are reset by the spring 181, and both ends of the spring 181 abut against the inner wall of the water storage tank 10 and the floating block 182, and the floating block 182 and the valve stem 183 of the first control valve 18 Connected, the diaphragm 11 drives the float block 182 to move up and down, and in turn opens or closes the first control valve 18 and the second control valve 21.
  • the water production method of the reverse osmosis pure water machine is as follows:
  • the water passage switching valve 7 When pure water is used, the water passage switching valve 7 is switched to connect the first port 1 to the third port 3 and the second port 2 is closed, and the water flowing in from the inlet of the reverse osmosis membrane device 14 passes through the reverse osmosis membrane device 14 and passes through the rich
  • the water outlet flows out, and further flows into the first branch 161 of the concentrated water outlet, and the concentrated water flowing out from the first branch 161 passes through the first interface 1 and
  • the third port 3 flows into the concentrated water port of the water storage tank 10, and the concentrated water in the water storage tank 10 squeezes the pure water out of the water storage tank 10, and is squeezed because the pure water water outlet nozzle 5 communicates with the pure water port of the water storage tank 10.
  • the pure water flows to the pure water outlet 5; it can be seen that the reverse osmosis membrane can be flushed at a large flow rate while using pure water.
  • the water passage switching valve 7 is switched to close the first port 1 and the second port 2 is communicated with the third port 3, and the pure water flowing out of the pure water outlet of the reverse osmosis membrane device 14 flows into the water storage tank 10.
  • the pure water in the water storage tank 10 presses the concentrated water from the inside of the water storage tank 10, and the pressurized concentrated water flows into the third port 3 and the second port 2 of the water path switching valve 7 in sequence, and is discharged through the water discharge port 17.
  • the faucet can completely replace various control valves, so that the reverse osmosis pure water machine can be operated without electricity and safely, in addition, at the same time, the faucet realizes the opening and closing of the pure water and concentrated water of the reverse osmosis pure water machine, avoiding the unsafe use of the electronic control, and avoiding the long-flowing of the waste water of the ordinary non-electric pure water machine using the four-sided valve, and avoiding The unscientific and cumbersome manual flushing of ordinary electroless reverse osmosis pure water machine.
  • the water production method using the pure water machine has the following advantages;
  • the whole system has no electricity, saving energy, safety and reliability.
  • the shortcomings of the traditional electroless reverse osmosis pure water machine using the four-sided valve are avoided.
  • the water storage tank of the pure water machine can be regarded as no pressure, and the pure water end of the reverse osmosis membrane has almost no pressure, and the water storage tank can be filled with pure water.
  • Embodiment 2 is a diagrammatic representation of Embodiment 1:
  • an on-off valve 8 is attached to the water path between the pure water nozzle 5 and the pure water port of the water storage tank 10. After the switching valve 8 is set, the pure water spout 5 can be opened or reliably closed.
  • the other structures of this embodiment are the same as those of the water purifier in the first embodiment, and are not described herein again.
  • the pure water spout 5 is integrated with the water passage switching valve 7 to constitute a four-pipe faucet a.
  • the four-pipe faucet a is provided with a fourth interface 4, and the waterway switching valve 7 and the pure water nozzle 5 are independently controlled, and the pure water nozzle 5 can be connected with the fourth interface 4 (when using pure water) or phase cutting (not used)
  • the pure water nozzle 5 can be connected with the fourth interface 4 (when using pure water) or phase cutting (not used)
  • the structure is also more compact.
  • the slight water pressure of the first chamber is also avoided, causing water droplets to appear in the pure water outlet nozzle 5.
  • the other structures of this embodiment are the same as those of the water purifier in the first embodiment, and are not described herein again.
  • Embodiment 4 is a diagrammatic representation of Embodiment 4:
  • the pure water nozzle 5 and the waterway switching valve 7 are integrated to form a four-tube faucet b, and the four-tube faucet a is provided with a fourth interface 4, pure water effluent
  • the mouth 5 is directly connected to the fourth interface 4, and the rest of the structure is the same as that of the pure water machine in the third embodiment, and details are not described herein again.
  • the waterway switching valve 7 and the pure water nozzle 5 of the four-tube faucet c used in the embodiment are integrally controlled by the same on-off valve, and the pure water machine is additionally controlled. Also included is a concentrated water spout 6 that communicates with the first port 1 of the water circuit switching valve 7, and the opening and closing of the concentrated water spout 6 is controlled by another independent on-off valve.
  • the rest of the structure in this embodiment is the same as that of the water purifier in the fourth embodiment, and details are not described herein again.
  • the four-tube faucet d includes a main body d1, an on-off valve d2 mounted on the main body d1, a water purifying nozzle 5, a first interface 1, and a second interface 2.
  • the third interface 3 and the fourth interface 4 are arranged in a vertical direction and are located below the clean water nozzle 5 for connecting the corresponding pipelines.
  • the main body d1 is further provided with a fifth interface 51, and the water is discharged.
  • the mouth 5 is connected to the fifth interface 51, and the switch valve d2 is used to switch the opening and closing state of each interface of the four-tube faucet d.
  • the switch valve d2 is provided with a first passage d21 and a second passage d22.
  • the first passage d21 can communicate with the first interface 1 and the third interface 3, or The second interface 2 and the third interface 3 are connected; the second channel d22 can communicate with the fourth interface 4 and the fifth interface 51. That is, when the switching valve d2 switches the clean water nozzle 5 to the open state, the first port 1 communicates with the third port 3, the second port 2 is closed, and the fourth port 4 communicates with the clean water nozzle 5.
  • the switching valve d2 switches the clean water nozzle 5 to the closed state
  • the first interface 1 and the fourth interface 4 are closed
  • the second interface 2 is in communication with the third interface 3.
  • the four-tube faucet in other embodiments may be similar to the structure in this embodiment except that the water passage switching valve 7 and the pure water outlet nozzle 5 are formed in a separate or integral structure.
  • the first control valve 18 and the second control valve 21 employ a pressure control valve.
  • the first control valve and the second control valve can be closed at a pressure of 0.1 MPa, so that the pressure of the water storage tank is less than 0.1 MPa.
  • the rest of the structure in this embodiment is the same as that of the water purifier in the fourth embodiment, and details are not described herein again.
  • the function of the second control valve in the fifth embodiment is realized by the faucet e.
  • the function of the first control valve 18 can also be achieved by the faucet d.
  • the pure water machine Further, a concentrated water outlet 6 communicating with the first port 1 of the water passage switching valve 7 is included, and the opening and closing of the concentrated water outlet 6 is controlled by an independent on-off valve.
  • the water flowing out of the concentrated water outlet 6 in the water purifier can be used as domestic water. When concentrated water is used, the concentrated water outlet 6 communicates with the first interface 1, and the second interface 2 communicates with the third interface 3. The fourth interface 4 is closed.
  • the concentrated water flowing out from the concentrated water outlet of the reverse osmosis membrane device 14 flows into the concentrated water discharge nozzle 6 through the first port 1, and the pure water from the pure water outlet of the reverse osmosis membrane device 14 flows into the pure water port of the storage tank 10.
  • the pure water in the water storage tank 10 can smoothly press out the concentrated water from the water storage tank 10, and the concentrated concentrated water flows into the third port 3 and the second port 2 of the faucet in turn and is discharged through the water discharge port 17.
  • the rest of the structure in this embodiment is the same as that of the pure water machine of the fifth embodiment, and details are not described herein again.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Nanotechnology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Organic Chemistry (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)

Abstract

L'invention concerne un purificateur d'eau par osmose inverse, comprenant un cylindre de stockage d'eau (10), une unité de membrane à osmose inverse (14), une soupape de commutation de trajet d'eau (7) et un robinet d'eau purifiée (5), la soupape de commutation de trajet d'eau (7) comprenant un premier raccord (1), un deuxième raccord (2) et un troisième raccord (3) ; la soupape de commutation de trajet d'eau (7) peut être commutée pour amener le premier raccord (1) à être en communication avec le troisième raccord (3) ou commutée pour amener le deuxième raccord (2) à être en communication avec le troisième raccord (3) ; une sortie d'eau concentrée de l'unité de membrane à osmose inverse (14) est ramifiée en une première branche (161) et une seconde branche (162) ; la première branche (161) est en communication avec le premier raccord (1) ; une buse d'eau concentrée du cylindre de stockage d'eau (10) est en communication avec le troisième raccord (3) ; une première vanne de commande (18) est reliée à la seconde branche (162) en série, et le deuxième raccord (2) est en communication avec l'évacuation d'eau de la seconde branche (162).
PCT/CN2016/000020 2015-11-27 2016-01-13 Purificateur d'eau par osmose inverse et procédé de préparation d'eau l'utilisant WO2017088273A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201510854192.7A CN105344245A (zh) 2015-11-27 2015-11-27 一种反渗透纯水机及使用该纯水机的制水方法
CN201510854192.7 2015-11-27

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CN108793483A (zh) * 2018-07-26 2018-11-13 山西思博睿恩科技有限公司 一种被动式制纯水的节水净水系统
CN109019937A (zh) * 2018-10-25 2018-12-18 杭州老板电器股份有限公司 净水机的双制水水路结构
TWI656087B (zh) * 2018-01-05 2019-04-11 美是德實業有限公司 Dedicated to the water pressure bucket type reverse osmosis water purifier faucet and its large water output method
CN109854782A (zh) * 2019-04-11 2019-06-07 佛山市钻力电器科技有限公司 一种水路自动切换阀
CN109956526A (zh) * 2017-12-22 2019-07-02 李强 一种水驱动ro机
CN110127885A (zh) * 2019-06-11 2019-08-16 贺小勤 双模双出水大水量净水机
CN111410331A (zh) * 2020-05-27 2020-07-14 宁波川渡流体科技有限公司 一种带有冲洗阀的纯水机系统
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CN115367896A (zh) * 2020-10-03 2022-11-22 杜宁峻 具有侧立集成水路净水机的硬管布设方法
CN115367895A (zh) * 2020-09-08 2022-11-22 杜宁峻 具有排浓水切换输水装置的双出水反渗透净水机

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CN105731602B (zh) * 2016-04-20 2018-09-21 浙江艾波特环保科技股份有限公司 一种用四面阀控制的净水机
CN105731677A (zh) * 2016-04-20 2016-07-06 浙江艾波特环保科技股份有限公司 一种用两个电磁阀控制的无泵净水机
CN105731601B (zh) * 2016-04-20 2019-01-11 浙江艾波特环保科技股份有限公司 一种用电磁控制的净水器
CN105731600B (zh) * 2016-04-20 2019-01-11 浙江艾波特环保科技股份有限公司 一种用机械控制的净水器
CN105731603B (zh) * 2016-04-20 2018-06-26 浙江艾波特环保科技股份有限公司 一种用五面阀控制的净水机
CN107055694A (zh) * 2017-05-02 2017-08-18 江苏沁尔康环境电器有限公司 一种无泵膜净水机
CN106966464A (zh) * 2017-05-24 2017-07-21 江苏沁尔康环境电器有限公司 一种无泵膜净水器
CN113828156B (zh) * 2021-11-04 2024-04-05 湖南宏侣科技有限公司 一种反渗透净水机压力桶系统

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