JP2018027530A - One kind of spiral type reverse osmosis membrane module - Google Patents

Abstract

PROBLEM TO BE SOLVED: To reduce pressure loss during membrane permeation of water, and a distance to a membrane permeation region and a central water collection pipe, while reaching the membrane central water collection pipe after membrane permeation.SOLUTION: Provided is a spiral type reverse osmosis membrane module, in which: inner and outer diameters of a central water collection pipe 8 of the spiral type membrane module are expanded; a plurality of walls are arranged in a reverse osmosis membrane 6; and activated carbon 10 and a micro filter 9 are loaded in a space generated on an inner diameter side of the expanded water collection pipe.SELECTED DRAWING: Figure 2

Description

  The present invention relates to a reverse osmosis membrane (hereinafter referred to as RO membrane).

  The RO membrane spiral type module is used by winding the RO membrane in a spiral shape. (See Figure 1)

Summary of the present invention

Problems to be solved by the invention

The reverse osmosis membrane spiral type module has a large pressure resistance when water penetrates the membrane and the flow resistance between the porous material in the membrane and the porous material while reaching the membrane central water collecting pipe after passing through the membrane. Yes, this is proportional to the distance between the membrane permeate and the central water collection pipe. This distance is shortened.

Means for solving the problem

  In order to shorten the flow friction part of RO water by the membrane inner porous material until the membrane permeated water (hereinafter referred to as RO water) reaches the membrane central water collecting pipe, the membrane central pipe is enlarged and a large number of membrane tubs are provided. In the central space created by the expansion of the water collecting pipe, a water purifier that creates treated water for the membrane will be installed, and the system will be miniaturized with zero use of connectors and PE.

Effect of the invention

  The effect of the expanded central water collection pipe, which shortens the flow path of the RO water to the central water collection pipe of the membrane, improves RO water production and enables RO water production at low pressure operation.

Assembly drawing of spiral RO module. Sectional drawing of a reverse osmosis membrane system device.

  Hereinafter, an embodiment of the present invention will be described with reference to FIG.

The arrows in the figure represent the flow of water.
To-be-treated water enters the vertically long tube 8 of the base 1A from the to-be-treated water inlet 5, purifies organic matter with 5 microfilters 9 loaded therein, and subsequently activated carbon 10, and the membrane surface from the inner surface of the upper cover 2 The membrane permeated water flows out from the hole 8A of the central enlarged central water collecting pipe and flows out from the RO water outlet 4 to the outside of the system.

1. Water container 1A base 2. Cap 3. 3. Concentrated water outlet RO water outlet 5. 5. To-be-treated water (raw water, water) inlet RO membrane 6a Membrane porous material 6b Net 7. Large diameter central water collecting pipe8. 8. Central water collecting pipe 8A Water collecting pipe hole 8B Water purification cartridge storage 8C RO water shut-off component 5 μm filter 10. Activated carbon 11. Waterproof cap 12. Water purification cartridge 13. Folds, spear 14. Reverse osmosis membrane cartridge

Claims (1)

  In order to increase the inner and outer diameters of the central water collection pipe of the conventional spiral membrane module, and to allow the membrane permeate to reach the water collection pipe more quickly outside the enlarged water collection pipe, the reverse osmosis membrane is provided with a plurality of ridges, A module in which the ridges are finished in a spiral shape, and a kind of spiral reverse osmosis membrane module in which carbon and other water treatment materials are loaded in a space formed on the inner diameter side of the enlarged water collecting pipe.

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