Concurrent flow reverse osmosis film assembly, reverse osmosis system and method for treatment of salt containing water

A reverse osmosis membrane module, reverse osmosis membrane technology, applied in osmosis/dialysis water/sewage treatment, chemical instruments and methods, reverse osmosis, etc. cost, reduced emissions, increased operating pressure and effect of operating costs

Inactive Publication Date: 2017-04-05
CHNA ENERGY INVESTMENT CORP LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, due to the existence of osmotic pressure and the limitation of actual operating pressure, existing conventional reverse osmosis membrane components (such as figure 1 As shown, it includes a reverse osmosis membrane 6, a concentrated water separation net 4 and a fresh water separation net 7, wherein the concentrated water separation net 4 forms a concentrated water flow channel 5, and the fresh water separation net 7 forms a fresh water flow channel 8, and the concentrate

Method used

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  • Concurrent flow reverse osmosis film assembly, reverse osmosis system and method for treatment of salt containing water
  • Concurrent flow reverse osmosis film assembly, reverse osmosis system and method for treatment of salt containing water
  • Concurrent flow reverse osmosis film assembly, reverse osmosis system and method for treatment of salt containing water

Examples

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Embodiment 1

[0100] combine figure 2 with image 3 , this embodiment is used to illustrate the reverse osmosis system of the present invention and the method for treating brine using the reverse osmosis system.

[0101] In this embodiment, the reverse osmosis system includes a membrane housing 14, three parallel flow reverse osmosis membrane modules 17 arranged in series in the membrane housing 14, a raw water pump 10 and a permeate side inlet water pump 11, wherein, for each Parallel flow reverse osmosis membrane modules, all including reverse osmosis membrane 6, concentrated water separation net 4 and fresh water separation net 7, concentrated water separation net 4 forms concentrated water flow channel 5, fresh water separation net 7 forms fresh water flow channel 8, concentrated water flow channel 5 A raw water inlet 1 and a concentrated water outlet 2 are provided, and the fresh water flow channel 8 is provided with a permeable side water inlet 9 and a produced water outlet 3 . For...

Embodiment 2

[0109] combine Figure 2-Figure 4 , this embodiment is used to illustrate the reverse osmosis system of the present invention and the method for treating brine using the reverse osmosis system.

[0110] In this embodiment, the reverse osmosis system includes two parallel-flow reverse osmosis membrane treatment units connected in series, a raw water pump 10 , a permeate side feed water pump 11 and a booster pump 20 . Among them, each parallel flow reverse osmosis membrane treatment unit is equipped with raw water inlet, concentrated water outlet, permeate side inlet and product water outlet, each parallel flow reverse osmosis membrane treatment unit includes 10 parallel membrane shells, each There are 6 parallel flow reverse osmosis membrane modules connected in series in the membrane shell, and each parallel flow reverse osmosis membrane module includes reverse osmosis membrane 6, concentrated water separation net 4 and fresh water separation net 7, concentrated water separati...

Embodiment 3

[0119] combine figure 2 , image 3 , Figure 5 , this embodiment is used to illustrate the reverse osmosis system of the present invention and the method for treating brine using the reverse osmosis system.

[0120] In this embodiment, the reverse osmosis system includes two parallel-flow reverse osmosis membrane treatment units connected in series, a raw water pump 10 , a permeate side feed water pump 11 and a booster pump 20 . Among them, each parallel flow reverse osmosis membrane treatment unit is equipped with raw water inlet, concentrated water outlet, permeate side inlet and product water outlet, each parallel flow reverse osmosis membrane treatment unit includes 10 parallel membrane shells, each There are 6 parallel flow reverse osmosis membrane modules connected in series in the membrane shell, and each parallel flow reverse osmosis membrane module includes reverse osmosis membrane 6, concentrated water separation net 4 and fresh water separation net 7, concentrate...

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Abstract

The invention relates to the field of water treatment and discloses a concurrent flow reverse osmosis film assembly, a reverse osmosis system and a method for treatment of salt containing water. The concurrent flow reverse osmosis film assembly comprises a reverse osmosis film, a concentrated water separating net and a fresh water separating net. A concentrated water flow channel is formed by the concentrated water separating net, and a fresh water flow channel is formed by the fresh water separating net. A raw water inlet and a concentrated water outlet are formed in the concentrated water flow channel, and a permeation side water inlet and a water producing outlet are formed in the fresh water flow channel. By using the concurrent flow reverse osmosis film assembly and the reverse osmosis system for the treatment of the salt containing water, the operating pressure and the running cost do not need to be improved, but the concentration limitation of an existing reverse osmosis system can be broken through; and the discharge quantity of final concentrated saltwater of the system is greatly reduced, the recycling efficiency of water resource can be improved, and the comprehensive treatment cost for achieving zero liquid discharge can be greatly lowered.

Description

technical field [0001] The invention relates to the field of water treatment, in particular to a parallel flow reverse osmosis membrane module, a reverse osmosis system and a method for treating brine. Background technique [0002] With the continuous improvement of environmental protection requirements, contradictions such as insufficient water resources and limited environmental capacity have become increasingly prominent. In the production processes of petrochemical, coal chemical, electric power, steel and seawater desalination, a large amount of salty wastewater will be produced. In order to reduce the amount of external drainage and improve the efficiency of water use, currently salty wastewater is generally treated by reverse osmosis-based membrane method and then recycled, which improves the efficiency of water use to a certain extent. [0003] However, due to the existence of osmotic pressure and the limitation of actual operating pressure, existing conventional re...

Claims

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Application Information

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IPC IPC(8): C02F1/44B01D61/08B01D63/00
Inventor 熊日华卫昶
Owner CHNA ENERGY INVESTMENT CORP LTD
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