Column type membrane assembly and its producing method

A column membrane and component technology, applied in chemical instruments and methods, membrane technology, semi-permeable membrane separation, etc., can solve problems such as uneven distribution of fiber filaments, reduced overall strength, and reduced service life of membrane components, so as to avoid fiber The effect of dense silk, reducing pouring height and increasing pouring height

Active Publication Date: 2007-04-11
TIANJIN MOTIMO MEMBRANE TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the thin fiber wall, the water flow is constantly scouring and easily damaged, which reduces the service life of the membrane module
When the fiber wall is damaged or after a long period of use, the plugging agent on the top of the filament falls off to cause a leak, and the sewage enters the interior of the fiber through the damage or leak on the fiber wall, and mixes with the treated clean water, reducing the quality of the effluent
[0004] Second, when the resin is poured, the resin climbs along the outer wall of the fiber, making the fiber brittle, and the height of the resin fixed layer after pouring is lower than the height of the resin climbing along the outer wall of the fiber, and the fiber shakes during the water treatment process. The root of the fiber is easily broken, and the service life of the membrane module is short
[0005] Third, due to the large number of diversion holes, the overall strength is reduced. At the same time, the distribution of fiber filaments is uneven, local fiber filaments are dense, some fiber filaments cannot be evenly covered, and the amount of resin per unit area is reduced. Decreased bond strength

Method used

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  • Column type membrane assembly and its producing method
  • Column type membrane assembly and its producing method
  • Column type membrane assembly and its producing method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0047] First weigh 70 kilograms of epoxy resin and 30 kilograms of curing agent, and mix them fully for later use.

[0048]Glue the baffles and retaining rings on the spare port and the concentrate outlet. Fix one end of the fiber filament on the special support according to the specified amount of filament, and install the membrane shell. After that, cut the fiber at the outlet end to the specified length. Install the pouring plate at the water outlet and 15 diversion holes and socket columns. The depth h of the pouring plate groove is 2mm. Put the fibers exposed from the membrane shell into the pouring plate to ensure that the gap between the fiber and the bottom of the pouring plate is 2mm, The above-mentioned mixture of epoxy resin and curing agent is poured into the pouring pan at the end, and the pouring height h1 is 35 mm. After the surface has a certain strength, a resin fixed layer at the water outlet is formed. Polyurethane is poured into the pouring tray again, an...

Embodiment 2

[0050] The method is the same as in Example 1, wherein 80 kilograms of epoxy resin, 20 kilograms of curing agent, the gap between the fiber at the water outlet end and the bottom of the pouring pan is 6 mm, the gap between the fiber at the water inlet end and the bottom of the pouring pan is 6 mm, and the groove depth of the pouring pan is h is 10mm, the pouring height h1 of the resin fixed layer at the water inlet end and the resin fixed layer at the water outlet end is 23mm, and the pouring height h3 of the flexible protective layer at the water inlet end and the water outlet end is 60mm. The number of the diversion hole jack posts is 20. The flexible resin is silicone rubber.

Embodiment 3

[0052] Method is identical with embodiment 1, wherein 75 kilograms of epoxy resins, 25 kilograms of curing agent.

[0053] The gap between the fiber at the water outlet and the bottom of the pouring tray is 10mm, the gap between the fiber at the water inlet and the bottom of the pouring tray is 10mm, the groove depth h of the pouring tray is 20mm, and the pouring height of the resin fixed layer at the water inlet and the resin fixed layer at the water outlet h1 is 30mm, the pouring height of the flexible protective layer at the water inlet and water outlet to h3 is 65mm, and the number of diversion holes is 25. Flexible resins are elastomers.

[0054] The membrane module of the present invention has ultra-low operating capacity, higher water flux, wider water quality application range, can work under harsh water quality conditions, and has stable water production and excellent water quality, and is more suitable for large-scale reverse osmosis water control System preprocessi...

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Abstract

The present invention discloses one kind of column type membrane assembly and its production process, and aims at providing one kind of column type membrane assembly with long service life and high output water quality. The membrane assembly is provided with water inlet, water outlet, spare port and concentrated liquid exit, and has fibers between the water inlet resin fixing layer and the water outlet resin fixing layer, water orifices inside resin fixing layers, filler inside the water inlet resin fixing layer and flexible resin protecting layer inside the water inlet resin fixing layer and the water outlet resin fixing layer. The membrane assembly has high output water quality and long service life.

Description

technical field [0001] The invention relates to a water treatment device and a production method thereof, more specifically, to a column membrane module used in water treatment and a production method thereof. Background technique [0002] At present, column membrane modules are widely used in the field of water treatment. The existing column membrane module is provided with a water inlet, a water production port, a backup port and a concentrate outlet on the membrane shell, and the resin fixed layer of the water inlet end and the resin fixed layer of the water outlet are fixed in the membrane shell, and the resin fixed layer of the water inlet end A number of fiber filaments are fixed between the resin fixed layer and the water outlet end. There are multiple diversion holes in the resin fixed layer, and a baffle is fixed in the position corresponding to the spare port in the membrane shell. Corresponding positions are fixed with retaining rings. The existing column membra...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D63/02B01J47/00C02F1/00
Inventor 苗蕾于鸿来
Owner TIANJIN MOTIMO MEMBRANE TECH
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