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Water purification system, water purification device and control method of water purification system

A technology of water purification system and control method, which is applied in water/sewage treatment, general water supply saving, chemical instruments and methods, etc., can solve problems such as affecting customer experience, increasing waiting time for receiving water, and complex structure of water purifiers. Achieve the effect of ensuring drinking water safety, avoiding water waste and reducing waiting time

Pending Publication Date: 2022-06-03
HANGZHOU ROBAM APPLIANCES CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Using the first method to reduce the TDS value will cause waste of water resources, and increase the waiting time for receiving water, which will affect the customer experience; using the second method to reduce the TDS value also needs to increase the waiting time for receiving water; the third method needs to be reversed. Flushing to replace concentrated water will cause a lot of waste of water resources, and a water storage tank is required to store pure water, resulting in a complex structure and increased cost of the water purifier

Method used

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  • Water purification system, water purification device and control method of water purification system
  • Water purification system, water purification device and control method of water purification system
  • Water purification system, water purification device and control method of water purification system

Examples

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Embodiment 1

[0059] This embodiment provides a water purification system, which can be applied to a water purification device that needs to filter and purify water for drinking, so as to improve the purity of drinking water and reduce the "first cup of water" of the water purification device. TDS value, improve the experience of water purification device. Wherein, the water purification device may be, but is not limited to, a faucet water purifier, a direct drinking water dispenser, etc. The present invention does not limit the type and structure of the water purification device.

[0060] Specifically, as figure 1 As shown, the water purification system provided in this embodiment includes a water driving device 5, a membrane filter unit 1 and a desalination filter module arranged in series along the water outlet direction and through the water purification pipeline 9. The desalination filter module includes a desalination filter unit 2, a membrane filter The water inlet of the filtration...

Embodiment approach

[0088] In this embodiment, since the TDS value of the first purified water decreases with the operation of the membrane filtration unit 1 and the discharge of the concentrated water from the concentrated water side, the preset desalination end condition can also be set as: the membrane filtration unit 1 The TDS value of the prepared pure water is higher than the second preset TDS value. That is, when the first purified water TDS value is reduced to the second preset TDS value, the desalination filter unit 2 is switched from the desalination state to the water through state.

[0089] In another embodiment, the preset desalination condition may also be: the duration of time when the membrane filtration unit 1 does not pass water is longer than the preset shutdown duration. When the non-passing time of the membrane filtration unit 1 is longer than the preset time, it means that the membrane filtration unit 1 has not performed the filtration operation for a long time, and the ions...

Embodiment 2

[0097] like figure 2 As shown, this embodiment provides a water purification system and a control method for applying the system, and the water purification system provided in this embodiment is based on a further improvement of the water purification system in Embodiment 1, and this embodiment does not The same structure as that of the first embodiment will be described in detail.

[0098]In this embodiment, the water purification system further includes a return pipe 13, the first end of the return pipe 13 is connected with the water outlet of the desalination filter unit 2, the second end of the return pipe 13 is connected with the water inlet of the membrane filter unit 1, and The return pipe 13 is provided with a return control valve 14 for controlling the on-off of the return pipe 13 .

[0099] By setting the return pipe 13 and the return control valve 14, when the desalination filter unit 2 needs to be regenerated, the high pressure switch 16 is closed, the return con...

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Abstract

The invention belongs to the technical field of water purification, and particularly discloses a water purification system, a water purification device and a control method of the water purification system. The water purification system comprises a membrane filtration unit and a desalination filtration unit which are connected in series along the water outlet direction, and the desalination filtration unit is configured as follows: when an electric field is not applied to the desalination filtration unit, the desalination filtration unit is in a water straight-through state only conducting water flow, and when the electric field is applied to the desalination filtration unit, the desalination filtration unit is in a water straight-through state only conducting water flow. And the desalting and filtering unit is in a desalting state or a regenerating state. The water purification device comprises the water purification system, and the control method is applied to the water purification system. According to the water purification system, the water purification device and the control method disclosed by the invention, the problem of'first cup of water 'can be solved, the drinking water safety is improved, and the waste of water resources is reduced.

Description

technical field [0001] The invention belongs to the technical field of water purification, and specifically discloses a water purification system, a water purification device and a control method of the water purification system. Background technique [0002] With the gradual increase of people's attention to drinking water safety, water purification devices such as water purifiers and water dispensers with water purification functions have become common electrical appliances in family life, which not only facilitates people to drink water, but also improves people's quality of life. [0003] Most of the reverse osmosis water purifiers use reverse osmosis membranes to filter water. When the reverse osmosis water purifiers are working, the water molecules in the raw water and the mineral elements in the ionic state pass through the reverse osmosis membrane under a certain water pressure and enter the pure water. On the water side, most of the inorganic salts and organics in t...

Claims

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Application Information

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IPC IPC(8): C02F9/12
CPCC02F1/44C02F1/441C02F1/4693C02F1/001C02F1/42C02F2303/14Y02A20/131
Inventor 任富佳胡进华陈天张富元彭慧琳王轩郁明跃
Owner HANGZHOU ROBAM APPLIANCES CO LTD
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