Water bar system adopting double circulation mode
A dual-circulation, mode technology, applied in multi-stage water treatment, non-polluting water treatment, water/sewage treatment, etc., can solve the problems of high TDS, short service life, poor RO membrane filtration effect of pure water, etc., to ensure stability Operation, ensure stable operation, improve purification efficiency and service life effect
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[0040] Example 1
[0041] Such as figure 1 As shown, the water purification unit in this embodiment further includes a pre-filter and a post-filter 21, the RO reverse osmosis filter is located between the pre-filter and the post-filter 21, wherein the pre-filter It includes a first pre-filter 10, a second pre-filter 11 and a third pre-filter 12. The first pre-filter 10 is a 5 micron melt-blown polypropylene filter element, and the second pre-filter 11 is a filter element Is a granular activated carbon filter element, the filter element of the third pre-filter 12 is a 1 micron melt-blown polypropylene filter element, the post-filter 21 is an activated carbon filter, and the activated carbon filter is connected to the pure water tap 22 through a pipeline .
Example Embodiment
[0042] Example 2
[0043] When the user turns on the pure water faucet 22, the system starts the water inlet solenoid valve 14 and the booster pump 16, and the tap water enters the pipeline from the tap water source 2 and passes through the first pre-filter 10 and the second pre-filter 11 in turn , The third pre-filter 12, and then enter the RO reverse osmosis filter 17 through the low pressure switch 13, the water inlet solenoid valve 14, the water inlet TDS probe 15, the temperature sensor 9, and the booster pump 16. The pure water comes out of the pure water outlet of the RO reverse osmosis filter 17, passes through the pure water end check valve 18, the pure water end high pressure switch 19, and the water outlet TDS probe 20 into the post filter 21, and then passes through the pure water end. The water faucet 22 flows out into the user's water container. Since a large amount of concentrated water is generated during the process of preparing pure water, the generated concentr...
Example Embodiment
[0044] Example 3
[0045] When the user turns on the hot water switch of the domestic faucet 1, the system starts the water inlet solenoid valve 14 and the booster pump 16, and the flush solenoid valve 8 opens. Tap water enters the pipeline from the tap water source 1, and then passes through the first pre-filter 10, The second pre-filter 11 and the third pre-filter 12 enter the RO reverse osmosis filter through the low pressure switch 13, the water inlet solenoid valve 14, the water inlet TDS probe 15, the temperature sensor 9, and the booster pump 16 In 17, it flows out from the outlet of the concentrated water, passes through the flushing solenoid valve 8, the softening filter 24, enters the kitchen treasure heater 4 through the water inlet of the kitchen treasure heater 4, and is heated in the kitchen treasure heater 4, after heating The water enters the living faucet 28 through the water outlet of the kitchen treasure heater 4.
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