Water-saving emission-reducing water purifier

A water purifier and tail water technology, applied in the fields of water/sewage multi-stage treatment, water/sludge/sewage treatment, chemical instruments and methods, etc., can solve the problem of abandoning tail water recycling, waste of fresh water resources and waste of water resources and other issues to achieve the effect of saving water resources and ensuring safety

Inactive Publication Date: 2014-11-19
田宝科
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the water purifiers on the market mainly have the following defects: In order to obtain more pure water, some water purifiers adopt the method of long-term reduction of the proportion of waste water and regular pulse flushing and discharge, which may easily lead to low water production efficiency of the RO membrane filter element and early clogging scrapped; some water purifiers only collect and store pure water, and give up recycling tail water, which causes serious waste of water resources; newly launched water purifiers without pressure storage tanks have a ratio of purified water to tail water of 1:1, resulting in Huge waste of fresh water resources

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] Embodiment 1: as figure 1 As shown, the water-saving and emission-reducing water purifier includes primary, secondary, and tertiary filter cartridges 2, 3, and 4, booster pump 5, RO membrane filter 6, tail water recovery pressure storage tank 8 and connecting pipes. The water inlet of the first-stage filter cartridge 2 is connected to the tap water inlet pipe 1, and the third-stage filter cartridge 4 is connected to the water inlet pipe of the RO membrane filter 6 through the booster pump 5, and the RO membrane filter 6 ends The water outlet is connected to the inlet and outlet pipes of the tail water recovery pressure water storage tank 8, and the water inlet solenoid valve 11 is installed at the water outlet of the first-stage filter cartridge 2, and the water inlet and outlet of the tail water recovery pressure water storage tank 8 are connected to the water outlet of the first stage filter cartridge 2. The pipeline connected to the water inlet solenoid valve 11 is ...

Embodiment 2

[0022] Embodiment 2: as figure 2 As shown, in order to avoid too low domestic water pressure, the improvement on the basis of embodiment 1 is as follows: the domestic water faucet 9 pipeline is equipped with a pressure control switch 21 and an increasing pump 22 to prevent the domestic water pressure from being too low.

Embodiment 3

[0023] Embodiment 3: as figure 2 As shown, the improvement on the basis of Embodiment 1 is as follows: a tail water solenoid valve 13 is also installed on the pipeline between the inlet and outlet of the tail water recovery pressure water storage tank 8 and the domestic water faucet 9, and the water shortage The command switch 12 is used to control the opening and closing states of the water inlet solenoid valve 11 and the tail water solenoid valve 13; the water inlet solenoid valve 11 and the tail water solenoid valve 13 are respectively connected with time relays 19 and 20 .

[0024] When in use, the time of the time relays 19 and 20 is set in advance according to the water production rate of the RO membrane filter 6 and the capacity of the tail water recovery pressure water storage tank 8. In order to better understand the technical solution, this embodiment assumes that the time is set Set at 30 minutes. After the tap water source of the water purifier is connected, the...

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Abstract

The invention discloses a water-saving emission-reducing water purifier which comprises a primary filtration device, a pressurizing device, a reverse osmosis treatment device, a tail water storage device and a connecting pipeline, wherein the primary filtration device at least comprises a primary filtration barrel; the water inlet of the primary filtration barrel is connected with a tap water inlet pipe; a water inlet solenoid valve is mounted at the water outlet of the primary filtration barrel; a domestic water faucet is mounted on a pipeline for connecting the water feeding and discharging hole of the tail water storage device with the water inlet solenoid valve; a water shortage command conversion switch is mounted on the tail water storage device or a pipeline of the water feeding and discharging hole of the tail water storage device and is used for controlling the water inlet solenoid valve to be opened and closed. According to the water purifier, tail water is recovered by virtue of the tail water storage device, the water inlet solenoid valve is controlled through the water shortage command conversion switch, and the tail water in the tail water storage device is preferentially used for domestic water with high consumption.

Description

technical field [0001] The water-saving and emission-reducing water purifier of the invention belongs to the technical field of water treatment equipment. Background technique [0002] When the RO water purifier is producing purified water, it must simultaneously generate tail water for flushing and protecting the RO membrane filter element to ensure its long-term high-efficiency permeability. The ratio of purified water to tail water is 1:1-3, that is, to produce a cup of pure and healthy water, and at the same time produce 1-3 cups of tail water filtered by the security filter element at the front of the water purifier. Tail water is actually purified water, and its water quality depends on the water purifier itself, which is used as a security filter before protecting the RO membrane filter. At present, the water purifiers on the market mainly have the following defects: In order to obtain more pure water, some water purifiers adopt the method of long-term reduction of...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F9/02
Inventor 田宝科
Owner 田宝科
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