High-efficiency energy-saving and environment-friendly reverse osmosis pure water equipment

Abstract

This invention belongs to the field of reverse osmosis equipment technology, specifically relating to a high-efficiency, energy-saving, and environmentally friendly reverse osmosis pure water equipment. It includes a three-stage filtration assembly, a booster pump, a reverse osmosis filtration assembly, a recovery assembly, and a control device. The three-stage filtration assembly and the reverse osmosis filtration assembly respectively filter the input water into raw water and pure water. The booster pump is equipped with a converter connected to it. The three-stage filtration assembly, the first channel of the booster pump, and the reverse osmosis filtration assembly are sequentially connected. The recovery assembly includes a concentrate tank. The concentrate outlet of the reverse osmosis filtration assembly, the concentrate tank, the second channel of the booster pump, and the inlet of the three-stage filtration assembly are sequentially connected. The converter is electrically connected to the control device, and the converter switches the connected channels according to the control device's instructions. The first and second channels are interlocked and respectively pressurized by the booster pump. This system achieves high-efficiency water purification while conserving water resources.

Description

Technical Field

[0001] This invention belongs to the field of reverse osmosis equipment technology, specifically relating to a high-efficiency, energy-saving, and environmentally friendly reverse osmosis pure water equipment. Background Technology

[0002] A reverse osmosis (RO) water purifier is a device that uses reverse osmosis technology to deeply purify water, widely used in drinking water purification in both residential and commercial settings. The core of RO technology lies in the selective permeability of its semi-permeable membrane. Under certain pressure, water molecules can pass through the membrane surface, while dissolved solids, heavy metal ions, bacteria, viruses, and organic pollutants are almost completely retained, achieving a high level of water purification. The purification process mainly includes the following steps: First-stage filtration (PP cotton filter): intercepts particulate impurities larger than 5 microns, such as sediment and rust; Second-stage filtration (granular activated carbon): adsorbs residual chlorine, odors, and organic matter, preventing activated carbon particles from entering the next stage; Third-stage filtration (compressed activated carbon): further adsorbs small molecule organic matter and residual chlorine, protecting the RO membrane from chemical oxidation damage; Fourth-stage treatment (RO membrane): under high pressure, water molecules pass through the RO membrane, while most dissolved salts, heavy metals, bacteria, and viruses are retained in the concentrated water and discharged.

[0003] While existing reverse osmosis membrane water purification equipment has significant advantages in providing high-quality drinking water, such as efficiently removing pollutants like heavy metals, bacteria, viruses, and dissolved salts, some shortcomings still exist in practical applications. The reverse osmosis process requires high pressure to force water molecules through a semi-permeable membrane, while most impurities are concentrated into "concentrated water" and discharged. Typically, the ratio of purified water to wastewater is 1:1 to 1:3, meaning that for every 1 liter of purified water produced, 1 to 3 liters of water are wasted, resulting in a significant waste of water resources.

[0004] In order to improve water quality while meeting the requirements of energy conservation and environmental protection through the use of reverse osmosis membrane water purification equipment, a high-efficiency, energy-saving and environmentally friendly reverse osmosis pure water equipment is proposed. Summary of the Invention

[0005] To address the aforementioned problems in the existing technology, this invention provides a highly efficient, energy-saving, and environmentally friendly reverse osmosis pure water equipment.

[0006] The objective of this invention can be achieved through the following technical solutions:

[0007] This invention discloses a high-efficiency, energy-saving, and environmentally friendly reverse osmosis pure water equipment, comprising a three-stage filtration assembly, a booster pump, a reverse osmosis filtration assembly, a recovery assembly, and a control device. The three-stage filtration assembly and the reverse osmosis filtration assembly respectively filter the input water into raw water and pure water. The booster pump is equipped with a converter, which is connected to the booster pump. The three-stage filtration assembly, the first channel of the booster pump, and the reverse osmosis filtration assembly are sequentially connected. The recovery assembly includes a concentrate tank. The concentrate outlet of the reverse osmosis filtration assembly, the concentrate tank, the second channel of the booster pump, and the inlet of the three-stage filtration assembly are sequentially connected. The converter is electrically connected to the control device. The converter switches the connected channels according to the instructions of the control device. The first channel and the second channel are interlocked and are pressurized by the booster pump respectively.

[0008] Furthermore, both the first channel and the second channel are disposed on the housing of the booster pump, and the first channel and the second channel are arranged in a cross shape. The converter is disposed at the intersection of the first channel and the second channel, and the pump body of the booster pump is disposed on the converter and switches between the first channel and the second channel as the converter rotates.

[0009] Furthermore, the three-stage filtration assembly includes a first-stage PP cotton filter element, a second-stage granular activated carbon filter element, and a third-stage compressed activated carbon filter element, which are connected in sequence.

[0010] Furthermore, the outlet of the third-stage compressed activated carbon filter element and the outlet of the reverse osmosis filtration assembly are respectively equipped with a raw water TDS probe and a pure water TDS probe, and both the raw water TDS probe and the pure water TDS probe are electrically connected to the control device.

[0011] Furthermore, the concentrate tank is equipped with an ion cleaning chamber, which contains resin particles for adsorbing calcium and magnesium ions in the concentrate.

[0012] Furthermore, the top of the side wall of the ion cleaning chamber is provided with a soft water outlet and a wastewater outlet, respectively. The soft water outlet is connected to the second channel, and the wastewater outlet is used to discharge wastewater. The ion cleaning chamber includes a fixed screen plate and a movable screen plate. The movable screen plate is slidably disposed in the ion cleaning chamber. Resin particles are filled between the fixed screen plate and the movable screen plate. A piston plate is slidably disposed below the movable screen plate. When the booster pump is started, it draws out the concentrated water in the ion cleaning chamber after passing through the resin particles between the fixed screen plate and the movable screen plate. The piston plate rises with the adsorption force of the booster pump on the concentrated water and pushes the movable screen plate towards the fixed screen plate, compressing the spacing between the resin particles.

[0013] Furthermore, a spring is provided between the movable sieve plate and the piston plate.

[0014] Furthermore, a one-way valve plate is provided on the piston plate.

[0015] Furthermore, a water level sensor is installed inside the ion cleaning chamber, and the water level sensor is electrically connected to the control device.

[0016] Furthermore, the concentrate tank also includes a salt tank, which is connected to the ion cleaning chamber, and a valve is provided between the salt tank and the ion cleaning chamber.

[0017] The beneficial effects of this invention are as follows:

[0018] (1) On the one hand, the raw water is filtered out through a three-stage filtration assembly. The three-stage filtration assembly is connected to the first channel of the booster pump. The booster pump pressurizes the raw water to the required filtration pressure value of the reverse osmosis filtration assembly, and then pure water is filtered out through the reverse osmosis filtration assembly. On the other hand, the concentrate produced after filtration by the reverse osmosis filtration assembly is discharged into the concentrate tank for storage. When the amount of concentrate in the concentrate tank reaches a certain level, the channel connected to the booster pump is switched to the second channel through a converter. Then, the concentrate in the concentrate tank is extracted by the booster pump and re-injected into the front end of the three-stage filtration assembly for further filtration. Because the concentrated water produced after filtration by the reverse osmosis filter has a high concentration of calcium and magnesium ions and heavy metal ions, it is not suitable for drinking. The concentrated water can be filtered again by the three-stage filter to further reduce the content of calcium and magnesium ions and heavy metal ions, so that it meets the standards of raw water. The converter adjusts the channels connected to the booster pump according to the instructions of the control module, which is used to pressurize the reverse osmosis filter and extract the concentrated water for secondary filtration. This improves the efficiency of water resource utilization, reduces water waste, and achieves more environmentally friendly filtration.

[0019] (2) The fixed sieve plate is at the top to block the resin particles from moving upward, while the movable sieve plate is raised and lowered to compress the gap between the resin particles. Since the movable sieve plate needs concentrated water to pass through, it is a hollow structure. It is difficult to lift the movable sieve plate under the suction force of the booster pump to extract concentrated water. Therefore, a piston plate is set below the movable sieve plate. When the booster pump is started, it will suck air into the piston plate under the action of suction force. The piston plate pushes the movable sieve plate to rise and pushes the gap between the resin particles between the movable sieve plate and the fixed sieve plate.

[0020] (3) By transmitting the water level height data in the ion cleaning chamber to the control device, when the concentrated water in the ion cleaning chamber is stored to the predetermined water level height each time, the information transmitted to the control device through the water level sensor causes the control device command converter to drive the pump body to rotate and switch the connected channel, and the softened concentrated water in the ion cleaning chamber is extracted by the pump body. Attached Figure Description

[0021] To facilitate understanding by those skilled in the art, the present invention will be further described below with reference to the accompanying drawings.

[0022] Figure 1 This is a schematic diagram of the overall structure of the present invention;

[0023] Figure 2 This is a schematic diagram of the booster pump structure of the present invention;

[0024] Figure 3 This is a schematic diagram of the concentrate tank structure of the present invention;

[0025] Explanation of reference numerals in the attached diagram: 1. First-stage PP cotton filter element; 2. Second-stage granular activated carbon filter element; 3. Third-stage compressed activated carbon filter element; 4. Raw water TDS probe; 5. Booster pump; 51. Converter; 52. Pump body; 53. First channel; 6. Concentrate tank; 61. Ion cleaning chamber; 62. Fixed sieve plate; 63. Movable sieve plate; 64. Piston plate; 65. One-way valve plate; 66. Resin particles; 67. Salt tank; 68. Soft water outlet; 69. Wastewater outlet; 7. Reverse osmosis filter assembly; 8. Pure water TDS probe; 9. Pressure gauge. Detailed Implementation

[0026] To further illustrate the technical means and effects adopted by the present invention to achieve the intended purpose, the following detailed description of the specific implementation methods, structures, features and effects of the present invention, in conjunction with the accompanying drawings and preferred embodiments, is provided.

[0027] like Figures 1-3As shown, the present invention discloses a high-efficiency, energy-saving, and environmentally friendly reverse osmosis pure water equipment, comprising a three-stage filtration assembly, a booster pump 5, a reverse osmosis filtration assembly 7, a recovery assembly, and a control device. The three-stage filtration assembly and the reverse osmosis filtration assembly 7 respectively filter the input water into raw water and pure water. The booster pump 5 is equipped with a converter 51, which is connected to the booster pump 5. The three-stage filtration assembly, the first channel 53 of the booster pump 5, and the reverse osmosis filtration assembly 7 are sequentially connected. The recovery assembly includes a concentrate tank 6. The concentrate outlet of the reverse osmosis filtration assembly 7, the concentrate tank 6, the second channel of the booster pump 5, and the inlet of the three-stage filtration assembly are sequentially connected. The converter 51 is electrically connected to the control device. The converter 51 switches the connected channels according to the instructions of the control device. The first channel 53 and the second channel are interlocked and are pressurized by the booster pump 5 respectively. The converter 51 can be a servo motor, which rotates to a certain angle according to the instructions of the control device to switch the pump body 52 to connect different channels.

[0028] Existing reverse osmosis membrane water purification equipment generates a large amount of concentrate while filtering out raw water and pure water. This concentrate is typically discharged directly, leading to significant water waste. To avoid this problem, a three-stage filtration system is implemented. The raw water is filtered through a three-stage filtration assembly connected to the first channel 53 of a booster pump 5. The booster pump 5 pressurizes the raw water to the required filtration pressure for the reverse osmosis filter assembly 7, which then filters out pure water. Concentrate generated after filtration by the reverse osmosis filter assembly 7 is discharged into a concentrate tank 6 for storage. When the concentrate in the tank reaches a certain level, a converter 51 switches the channel of the booster pump 5 to the second channel. The booster pump 5 then extracts the concentrate from the tank 6 and re-injects it into the three-stage filtration assembly. The water undergoes secondary filtration at the front end. Since the concentrated water produced after filtration through the reverse osmosis filter component 7 has a high concentration of calcium and magnesium ions and heavy metal ions, it is not suitable for drinking. The concentrated water undergoes secondary filtration after passing through the three-stage filter component to further reduce the content of calcium and magnesium ions and heavy metal ions in the concentrated water, so that it meets the standards of raw water. The converter 51 converts the flow according to the instructions of the control module and adjusts the channels connected to the booster pump 5 to pressurize the reverse osmosis filter component 7 and extract the concentrated water for secondary filtration. This improves the efficiency of water resource utilization, reduces water waste, and achieves more environmentally friendly filtration.

[0029] Specifically, the first channel 53 and the second channel are both disposed on the housing of the booster pump 5, and the first channel 53 and the second channel are arranged in a cross shape. The converter 51 is disposed at the intersection of the first channel 53 and the second channel. The pump body 52 of the booster pump 5 is disposed on the converter 51 and switches between the first channel 53 and the second channel as the converter 51 rotates.

[0030] The pump body 52 of the booster pump 5 rotates and fits into the housing. The first channel 53 and the second channel on the housing are respectively arranged opposite to each other on both sides of the pump body 52. ​​When the inlet and outlet of the pump body 52 are connected to the first channel 53, it can be used to connect the first channel 53 for pressurizing the reverse osmosis filter assembly 7. When the inlet and outlet of the pump body 52 are connected to the second channel, it can be used to connect the second channel for drawing concentrated water from the concentrated water tank 6. When the pump body 52 is connected to the first channel 53, the side wall of the pump body 52 will block the second channel. When the pump body 52 is connected to the second channel, the side wall of the pump body 52 will block the first channel 53, forming an interlocking effect.

[0031] Specifically, the three-stage filtration assembly includes a first-stage PP cotton filter element 1, a second-stage granular activated carbon filter element 2, and a third-stage compressed activated carbon filter element 3, which are connected in sequence.

[0032] Furthermore, the outlets of the third-stage compressed activated carbon filter element 3 and the reverse osmosis filter assembly 7 are respectively equipped with a raw water TDS probe 4 and a pure water TDS probe 8, both of which are electrically connected to the control device. The raw water TDS probe 4 and pure water TDS probe 8 measure the concentration of dissolved solids in the water (i.e., TDS value) to help determine the water purification effect, filter element status, and whether the equipment is operating normally. The raw water TDS probe 4 and pure water TDS probe 8 are conductivity sensors that estimate the total amount of dissolved ions in the water by detecting its conductivity, thus obtaining the TDS value. The more dissolved ions, the stronger the conductivity, and therefore the higher the TDS value; the fewer ions, the weaker the conductivity, and therefore the lower the TDS value. The raw water TDS probe 4 and pure water TDS probe 8 are electrically connected to the control device, and the TDS value is displayed on a screen connected to the control device.

[0033] Since the concentrate produced after filtration by the reverse osmosis filter assembly 7 has a high content of calcium and magnesium ions, and heavy metal ions can be filtered by the three-stage filter assembly, the heavy metal ions in the concentrate can be reduced to a certain extent when the concentrate is filtered a second time. Therefore, before the concentrate is filtered a second time, it is necessary to reduce the concentration of calcium and magnesium ions in the concentrate. Therefore, in one embodiment, the concentrate tank 6 is provided with an ion cleaning chamber 61, and the ion cleaning chamber 61 is provided with resin particles 66 for adsorbing calcium and magnesium ions in the concentrate.

[0034] The reverse osmosis filter assembly 7 discharges the concentrated water produced after filtration into the ion cleaning chamber 61 of the concentrated water tank 6. Since the ion cleaning chamber 61 is filled with resin particles 66, the resin particles 66 will adsorb the calcium and magnesium ions in the concentrated water after it enters the ion cleaning chamber 61. When the concentrated water after adsorbing calcium and magnesium ions is discharged by the booster pump 5 and re-injected into the tertiary filter assembly, the filtration burden of the tertiary filter assembly can be greatly reduced, and the clogging of the tertiary filter assembly can be avoided as much as possible.

[0035] Specifically, the top of the side wall of the ion cleaning chamber 61 is provided with a soft water inlet 68 and a wastewater inlet 69. The soft water inlet 68 is connected to the second channel, and the wastewater inlet 69 is used to discharge wastewater. The ion cleaning chamber 61 includes a fixed screen plate 62 and a movable screen plate 63. The movable screen plate 63 is slidably disposed in the ion cleaning chamber 61. Resin particles 66 are filled between the fixed screen plate 62 and the movable screen plate 63. A piston plate 64 is slidably disposed below the movable screen plate 63. The booster pump 5 is started and draws out the concentrated water in the ion cleaning chamber 61 after passing through the resin particles 66 between the fixed screen plate 62 and the movable screen plate 63. The piston plate 64 rises with the adsorption force of the booster pump 5 on the concentrated water and pushes the movable screen plate 63 to move towards the fixed screen plate 62 and compress the spacing of the resin particles 66.

[0036] During the softening of the concentrate, the resin particles 66 should remain relatively compact to ensure that the concentrate flows evenly through the resin particles 66, thereby improving ion exchange efficiency and reducing the calcium content in the concentrate. ) and magnesium ( ) ions fully react with sodium on resin particles 66 ( Ion exchange occurs, achieving the desired softening effect. Therefore, a fixed sieve plate 62 is positioned at the top to block the resin particles 66 from moving upwards, while the movable sieve plate 63 is raised and lowered to compress the spacing between the resin particles 66. Since the movable sieve plate 63 requires concentrated water to pass through, it has a hollow structure, making it difficult for the booster pump 5 to lift it under the suction force. Therefore, a piston plate 64 is installed below the movable sieve plate 63. When the booster pump 5 starts, the suction force draws air into the piston plate 64, causing the movable sieve plate 63 to rise and widen the gap between the resin particles 66 and the fixed sieve plate 62.

[0037] When cleaning the resin particles 66, the concentrated brine flows down from the top. At this time, the movable screen plate 63 moves downward, making the resin particles 66 between the movable screen plate 63 and the fixed screen plate 62 loose, which facilitates cleaning. When the concentrated brine needs to be discharged after cleaning, the pump body 52 is rotated to the position connecting to the second channel by the converter 51. Since the sewage outlet 69 is located below the soft water outlet 68, a solenoid valve is installed on the sewage outlet 69. Under normal conditions, it is in the closed state. When the concentrated brine needs to be discharged, the control device commands the solenoid valve to open, so that the sucked-up concentrated brine is discharged along the sewage outlet 69.

[0038] Therefore, in the concentrated water filtered out by the reverse osmosis filter element 7, some extremely small particles will adhere to the filter membrane of the reverse osmosis filter element 7 and need to be cleaned after a period of use. On the other hand, some calcium and magnesium ions will be adsorbed on the resin particles 66 during recycling and will be cleaned by the concentrated brine in the brine tank 67 after a period of use. After cleaning, the concentrated brine containing calcium and magnesium ions will be discharged. Finally, the remaining pollutants will be returned to the tertiary filter element for sequential adsorption, thus realizing the recycling of concentrated water.

[0039] Furthermore, a spring is provided between the movable screen plate 63 and the piston plate 64; the spring between the movable screen plate 63 and the piston plate 64 can prevent the movable screen plate 63 from directly contacting the piston plate 64, which can facilitate the upward flow of concentrated water.

[0040] Furthermore, since some concentrated water may leak downwards from the gap between the piston plate 64 and the ion cleaning chamber 61 after the piston plate 64 is raised, making it difficult for the piston plate 64 to return to its original position after concentrated water accumulates below it, in one embodiment, a one-way valve plate 65 is provided on the piston plate 64. The one-way valve plate 65 opens only upwards. When the piston plate 64 moves upwards, the one-way valve plate 65 is unable to open due to the pressure of the concentrated water. However, when the piston plate 64 moves downwards, after contacting the concentrated water at the bottom of the piston plate 64, the one-way valve plate 65 is pushed open by the concentrated water and opens upwards, allowing the concentrated water to flow from the bottom to the top of the piston plate 64.

[0041] Furthermore, a water level sensor is installed inside the ion cleaning chamber 61, and the water level sensor is electrically connected to the control device. By transmitting the water level data in the ion cleaning chamber 61 to the control device, each time the concentrated water in the ion cleaning chamber 61 reaches a predetermined water level, the information transmitted to the control device via the water level sensor causes the control device's command converter 51 to drive the pump body 52 to rotate and switch the connected channel, thereby pumping out the softened concentrated water from the ion cleaning chamber 61.

[0042] Furthermore, the concentrated water tank 6 also includes a salt tank 67, which is connected to the ion cleaning chamber 61. A valve is provided between the salt tank 67 and the ion cleaning chamber 61. When a large number of calcium and magnesium ions are adsorbed in the resin particles 66, the calcium and magnesium ions on the resin particles 66 need to be cleaned so that they can be used again next time. Therefore, a salt tank 67 is required. After injecting clean water into the salt tank 67, concentrated brine is injected into the ion cleaning chamber 61 to clean the resin particles 66. After cleaning, the brine is discharged through the sewage outlet 69 to achieve the effect of regenerating the resin particles 66 in the ion cleaning chamber 61.

[0043] Furthermore, a pressure gauge 9 is installed at the inlet of the reverse osmosis filter assembly 7. The pressure gauge 9 is used to detect whether the pressure of the raw water injected into the reverse osmosis filter assembly 7 by the booster pump 5 meets the filtration requirements of the reverse osmosis filter assembly 7, and transmits the detection data to the control device.

[0044] The above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention in any way. Although the present invention has been disclosed above with reference to preferred embodiments, it is not intended to limit the present invention. Any person skilled in the art can make some modifications or alterations to the above-disclosed technical content to create equivalent embodiments without departing from the scope of the present invention. Any simple modifications, equivalent changes and alterations made to the above embodiments based on the technical essence of the present invention without departing from the scope of the present invention shall still fall within the scope of the present invention.

Claims

1. A high-efficiency, energy-saving, and environmentally friendly reverse osmosis pure water equipment, characterized in that: The system includes a three-stage filtration assembly, a booster pump, a reverse osmosis filtration assembly, a recovery assembly, and a control device. The three-stage filtration assembly and the reverse osmosis filtration assembly filter the input water into raw water and pure water, respectively. The booster pump is equipped with a converter, which is connected to the booster pump. The three-stage filtration assembly, the first channel of the booster pump, and the reverse osmosis filtration assembly are sequentially connected. The recovery assembly includes a concentrate tank. The concentrate outlet of the reverse osmosis filtration assembly, the concentrate tank, the second channel of the booster pump, and the inlet of the three-stage filtration assembly are sequentially connected. The converter is electrically connected to the control device. The converter switches the connected channels according to the instructions of the control device. The first channel and the second channel are interlocked and are pressurized by the booster pump, respectively. The three-stage filtration assembly includes a first-stage PP cotton filter element, a second-stage granular activated carbon filter element, and a third-stage compressed activated carbon filter element, which are connected in sequence. The concentrate tank is equipped with an ion cleaning chamber, which contains resin particles for adsorbing calcium and magnesium ions in the concentrate. The ion cleaning chamber has a soft water inlet and a wastewater inlet on its top sidewall. The soft water inlet is connected to the second channel, and the wastewater inlet is used to discharge wastewater. The ion cleaning chamber includes a fixed sieve plate and a movable sieve plate. The movable sieve plate is slidably disposed in the ion cleaning chamber. Resin particles are filled between the fixed sieve plate and the movable sieve plate. A piston plate is slidably disposed below the movable sieve plate. When the booster pump is started, it draws out the concentrated water in the ion cleaning chamber after passing through the resin particles between the fixed sieve plate and the movable sieve plate. The piston plate rises with the adsorption force of the booster pump on the concentrated water and pushes the movable sieve plate toward the fixed sieve plate, compressing the spacing between the resin particles.

2. The high-efficiency, energy-saving, and environmentally friendly reverse osmosis pure water equipment according to claim 1, characterized in that: The first channel and the second channel are both disposed on the housing of the booster pump, and the first channel and the second channel are arranged in a cross shape. The converter is disposed at the intersection of the first channel and the second channel. The pump body of the booster pump is disposed on the converter and switches between the first channel and the second channel as the converter rotates.

3. The high-efficiency, energy-saving, and environmentally friendly reverse osmosis pure water equipment according to claim 1, characterized in that: The outlet of the third-stage compressed activated carbon filter element and the outlet of the reverse osmosis filtration assembly are respectively equipped with a raw water TDS probe and a pure water TDS probe, and both the raw water TDS probe and the pure water TDS probe are electrically connected to the control device.

4. The high-efficiency, energy-saving, and environmentally friendly reverse osmosis pure water equipment according to claim 1, characterized in that: A spring is provided between the movable sieve plate and the piston plate.

5. The high-efficiency, energy-saving, and environmentally friendly reverse osmosis pure water equipment according to claim 4, characterized in that: A one-way valve plate is provided on the piston plate.

6. The high-efficiency, energy-saving, and environmentally friendly reverse osmosis pure water equipment according to claim 5, characterized in that: A water level sensor is installed inside the ion cleaning chamber, and the water level sensor is electrically connected to the control device.

7. The high-efficiency, energy-saving, and environmentally friendly reverse osmosis pure water equipment according to claim 1, characterized in that: The concentrate tank also includes a salt tank, which is connected to the ion cleaning chamber, and a valve is provided between the salt tank and the ion cleaning chamber.

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