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Reverse osmosis water production apparatus, water production method, and method for cleaning and maintaining reverse osmosis water production apparatus

A technology of reverse osmosis and reverse osmosis membrane, applied in osmosis/dialysis water/sewage treatment, chemical instruments and methods, multi-stage water/sewage treatment, etc., can solve the lack of trace element supplementation, incomplete ion content, and negative effects on health And other issues

Inactive Publication Date: 2009-07-15
TIANJIN WATER RESOURCES RES INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this method has to pay the cost of additional mineralized liquid. The content of ions in the artificially produced mineralized liquid is not comprehensive, and it lacks the supplement of many necessary trace elements. Long-term drinking will have a negative effect on human health.

Method used

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  • Reverse osmosis water production apparatus, water production method, and method for cleaning and maintaining reverse osmosis water production apparatus
  • Reverse osmosis water production apparatus, water production method, and method for cleaning and maintaining reverse osmosis water production apparatus
  • Reverse osmosis water production apparatus, water production method, and method for cleaning and maintaining reverse osmosis water production apparatus

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0111] It consists of a pretreatment system (21), a reverse osmosis filtration system (22), a blending system (23), a cleaning system (24), a soaking maintenance system (25) and a finished product accumulation system (26). The pretreatment system (21) is It consists of a water diversion pump (33), a pretreatment water inlet pipeline (50), a backwash pipeline (48), a pretreatment water outlet pipeline (51) and a pretreatment filter facility (27). The input port of the water diversion pump (33) It is connected with the raw water and introduced into the raw water body by the water diversion pump (33), and the output port of the water diversion pump (33) is connected with the pretreatment water inlet pipeline (50) and the backwash pipeline (48).

[0112] The raw water body introduced by the water diversion pump (33) is directly used for filtering water or for backwashing pretreatment filter facilities (27). Pretreatment filter facility (27) is set in series on road (48), and pretr...

Embodiment 2

[0122] One end of the distribution conversion pipeline (45) is connected with the ball valve BV-4 of the pretreatment outlet pipeline (53), and the other end of the distribution conversion pipeline (45) is connected with the reverse osmosis filtration system (22), the blending system ( 23), the cleaning system (24) is connected with the immersion maintenance system (25), the other end of the distribution conversion pipeline (45) is connected with the high-pressure water pump (34) of the reverse osmosis filtration system (22), and the distribution conversion pipeline Set ball valve BV-18, security filter C-1, ball valve BV-6, check valve CV-1, ball valve BV-14 and ball valve BV-15 on (45), and set ball valve BV before security filter C-1 -18 is divided into two routes, one route is connected with the buffer water storage tank water inlet (8) of the buffer water storage tank (30) of the blending system (23) by setting the pipeline of the ball valve BV-18, and setting the one-way ...

Embodiment 3

[0129] The blending system (23) comprises a buffer water storage tank (30), a blending circulation pump (36) and a blending pipeline (41), and the buffer water storage tank water inlet (8) of the buffer water storage tank (30) of the blending system (23) ) is connected with the ball valve BV-18 of the distribution conversion pipeline (45), and the pretreated water diverts into the buffer water storage tank (30). The water inlet (8) of the water storage tank, the water inlet (8) of the buffer water storage tank are connected with the ball valve BV-18, the water outlet (9) of the buffer water storage tank and the outlet (10) of the buffer water storage tank are arranged at the lower part, and the buffer water storage tank The outlet of the water tank (9) is connected to the input end of the blending circulation pump (36) through the ball valve BV-20, and the side of the buffer water storage tank (30) is provided with a buffer water storage tank level controller (11), and The liq...

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Abstract

The invention relates to a reverse osmosis water producer, a reverse osmosis water production method and a method for cleaning and maintaining the reverse osmosis water producer. The reverse osmosis water producer comprises a preprocessing system, a reverse osmosis filtration system, a mixing system, a cleaning system, an immersion maintenance system and a finished product accumulating system, wherein the preprocessing system comprises a priming pump, a preprocessing water inlet pipeline, a reverse flushing pipeline and preprocessing filtration facilities, the reverse osmosis filtration system comprises a high-pressure pump, a reverse osmosis membrane filter, a water production pipeline and a discharge pipeline, the mixing system comprises a buffering water accumulation tank, a pressurizing pump and a mixing pipeline, the cleaning system comprises a cleaning tank, a cleaning pipeline and a circulation pump, the immersion maintenance system comprises an immersion maintenance tank, an immersion maintenance pipeline and a pressure difference check pipeline, the volume of the buffering water accumulation tank is larger than that of the cleaning tank, and the volume of the cleaning tank is larger than that of the immersion maintenance tank. The invention has reasonable design, scientific structure, compact arrangement, integrated technology, good water quality, convenient and effective maintenance, low price, safety and convenience.

Description

technical field [0001] The invention relates to equipment for producing drinking water through water treatment, in particular to a reverse osmosis water production equipment, a water production method, and a method for cleaning and maintaining the reverse osmosis water production equipment. Background technique [0002] At present, reverse osmosis (RO) technology is widely used in seawater desalination, brackish water desalination, industrial pure water, drinking water deep processing, material concentration, sewage treatment and other fields. For permeable membranes, biological substances in the water will accumulate and grow on the surface of the membrane during use, causing biological pollution, shortening the service life of the membrane, affecting the quality of produced water, and increasing maintenance and operating costs. Reverse osmosis membranes are poorly resistant to chlorine. It is difficult for biological substances to be completely killed by oxidants before en...

Claims

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Application Information

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IPC IPC(8): C02F9/02C02F1/44C02F1/42C02F1/28
Inventor 张凯曹大正张贤瑞张伟刘波周潮洪何雅丽汪绍盛
Owner TIANJIN WATER RESOURCES RES INST
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