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A control method and control system for a pure water machine

A technology of pure water machine and control method, applied in the direction of control/adjustment system, water treatment parameter control, non-electric variable control, etc., can solve the problems of reducing concentrated water, increasing concentration of concentrated water, and not being able to solve the waste of water resources, etc. To achieve the effect of protecting from damage, improving efficiency and life

Active Publication Date: 2018-03-23
HAINAN LITREE PURIFYING TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] (3) Using a certain proportion of concentrated water backflow can reduce the discharge of concentrated water. The disadvantage is that the concentration of concentrated water will increase, which will damage the life of reverse osmosis membrane components, and the proportion of concentrated water discharge is still high. (reaching more than 40%), can not solve the problem of waste of water resources

Method used

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  • A control method and control system for a pure water machine
  • A control method and control system for a pure water machine
  • A control method and control system for a pure water machine

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0073] Such as Figure 5 As shown, a pure water machine includes a water inlet pressure sensor 1, a water inlet control valve 2, a pre-filter 3, a booster pump 4, a reverse osmosis membrane module 5, a pure water control valve 6, a one-way valve 7, Water storage pressure tank 8, purified water pressure sensor 9, activated carbon filter 10, purified water faucet 11, controller 12, concentrated water control valve 13, one-way valve 14, concentrated water pressure sensor 15, discharge control valve 16, purified water Flow sensor 17, concentrated water flow sensor 18.

[0074] As mentioned above, the tap water is connected to the inlet A of the pure water machine, connected to the water inlet pressure sensor 1, the water inlet control valve 2 in turn, and enters the pre-filter 3, and the water treated by the pre-filter is connected to the inlet of the booster pump 4, and then After pressure, it enters the reverse osmosis membrane module 5, and the filtered pure water is connected...

Embodiment 2

[0082] as attached Figure 6 As shown, a pure water machine, the tap water is connected to the pure water machine through the inlet A, and connected to the water inlet pressure sensor 1, the water inlet control valve 2, the precision filter 3a, the activated carbon filter 3b, the booster pump 4, Reverse osmosis membrane module 5: the pure water channel is sequentially connected to the pure water solenoid valve 6, the one-way valve 7, the water storage pressure tank 8, the pure water pressure sensor 9, the activated carbon filter 10, and the purified water faucet 11; Water solenoid valve 13, one-way valve 14, concentrated water pressure sensor 15, and then divided into two circuits, the first concentrated water pipeline is connected to the ordinary water pipeline through interface C, and the second concentrated water pipeline is connected to the discharge solenoid valve 16, connected through interface B sewer pipes.

[0083] As mentioned above, the controller 12 controls the a...

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Abstract

The invention discloses a control method of a water purifying machine. The control method of the water purifying machine comprises a control method for automatically preparing pure water by the water purifying machine, and a control method for continuously preparing and supplying the pure water, and meanwhile, also comprises an automatic recycling control method and an automatic discharging control method of concentrated water generated in a process of preparing the pure water by the control method of the water purifying machine. The invention also discloses a control system for the control method of the water purifying machine; the control system comprises a water preparing device used for preparing the pure water and a controller used for controlling preparation of the pure water and the concentrated water; the invention also discloses the water purifying machine based on the control system. The control method of the water purifying machine, which is provided by the invention, can realize effects of saving water and saving energy, achieves purposes of improving and prolonging the service efficiency and the service life of a reverse osmosis membrane, has beneficial effects that purified water is produced during use of ordinary water, and is stored in a water storage pressure tank for pressure accumulation, so as to be used in case of need; a filter membrane can be flushed, so that the service efficiency and the service life of the water purifying machine are improved and prolonged; when the stored purified water is used, no extra concentrated water is generated, and no waste water is discharged; the protection is started in case of water deficiency, so as to prevent the water purifying machine from being damaged.

Description

technical field [0001] The invention belongs to the technical field of water treatment, and in particular relates to a control method and a control system of a pure water machine. Background technique [0002] In daily life, household water is mainly used for ordinary water (including laundry, washing vegetables, bathing, floor care, etc.), the per capita water consumption quota for ordinary houses is 130-300L / day, and pure water is only used for drinking water and cooking Etc., common people's consumption of drinking water is about 2L / day, wherein about 1L of direct drinking water, it can be seen that ordinary water accounts for more than 99% of the total water consumption. At present, the domestic pure water machine is used for the production of drinking pure water. While producing pure water, concentrated water is produced, and the production of concentrated water is more than 60%. There are mainly the following methods for the treatment of this part of concentrated water...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C02F9/02G05D27/02C02F1/44C02F1/28
CPCC02F1/003C02F1/283C02F1/441C02F9/00C02F2209/00C02F2209/03C02F2209/40G05D27/02
Inventor 陈清陈忱陈良刚陈子聪焦振涛
Owner HAINAN LITREE PURIFYING TECH CO LTD
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