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A membrane fouling vibration control device in the process of treating algae-containing water with a roll-type low-pressure membrane and a method for controlling membrane fouling using the device

A low-pressure membrane and membrane fouling technology, which is applied in the field of membrane fouling vibration control devices, can solve problems such as low-pressure roll-type membrane fouling, and achieve the effects of avoiding excessive damage, strong controllability, and enhanced vibration effect

Active Publication Date: 2018-05-18
NORTHEAST AGRICULTURAL UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to solve the problem that there is no vibration control technology proposed for the low-pressure roll-type membrane fouling phenomenon, and to provide a membrane pollution vibration control device in the process of treating algae-containing water with a roll-type low-pressure membrane and using the Method for device control membrane fouling

Method used

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  • A membrane fouling vibration control device in the process of treating algae-containing water with a roll-type low-pressure membrane and a method for controlling membrane fouling using the device
  • A membrane fouling vibration control device in the process of treating algae-containing water with a roll-type low-pressure membrane and a method for controlling membrane fouling using the device
  • A membrane fouling vibration control device in the process of treating algae-containing water with a roll-type low-pressure membrane and a method for controlling membrane fouling using the device

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specific Embodiment approach 1

[0025] Embodiment 1: The membrane fouling vibration control device in the process of treating algae-containing water with a roll-type low-pressure membrane in this embodiment consists of a raw water tank 1, a peristaltic pump 2, a pressure sensor 3, a roll-type membrane module reactor 4, and a drive shaft 5. Gear 6, vibration driver 7, first conductivity sensor 8-1, second conductivity sensor 8-2, first rotameter 9-1, second rotameter 9-2, pH meter 10, backflow Pipe 11, water inlet pipe 12, concentrated liquid outlet pipe 13, filtered water outlet pipe 14, concentrated liquid sampling port 15, filtered water sampling port 16, first water outlet regulating valve 17-1, second water outlet regulating valve 17-2 , outlet 18, temperature controller 19, agitator 20, the first water inlet regulating valve 21, the second water inlet regulating valve 22, backflow water regulating valve 23 and transmission mechanism 24; one end of the transmission shaft 5 is connected to The coiled memb...

specific Embodiment approach 2

[0033] Specific implementation mode two: A method of controlling membrane pollution by using a roll-type low-pressure membrane to treat algae-containing water with a membrane pollution vibration control device in this embodiment is as follows:

[0034] The raw water in the raw water tank 1 enters the coiled membrane module reactor 4 through the water inlet pipe 12 through the peristaltic pump 2, and the coiled membrane module reactor 4 is driven by the vibration driver 7 through the transmission mechanism 24, the gear 6 and the transmission shaft 5 to make the The coiled membrane module reactor 4 realizes the repeated movement of rotation along the axis, rotation and return, reverse rotation, and return to the return position. During operation, the concentrate in the concentrate outlet pipe 13 can be directly drained or Return to the raw water tank 1. During operation, the membrane permeate in the filtered water outlet pipe 14 can be directly drained or returned to the raw wate...

specific Embodiment approach 3

[0036] Embodiment 3: The difference between this embodiment and Embodiment 2 is that the rotation angle of the coiled membrane module reactor 4 along the axis line is the same as the reverse rotation angle. Other steps and parameters are the same as in the second embodiment.

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Abstract

The invention relates to a membrane pollution vibration control device used in the process of treating algae containing water through a low-pressure spiral membrane and a method for controlling membrane pollution through the device. The device and the method aim at solving the problem that at present, no vibration control technology provided for the low-pressure spiral membrane pollution phenomenon is available. A vibration driver is arranged in the device, a spiral membrane reactor is driven by a drive motor to rotate along the axis, rotate back to the original position, reverse and rotate back to the original position, and therefore the vibration effect of a membrane assembly is achieved. According to the vibration method, the time when the spiral membrane maintains high-flux operation is prolonged, and the quality of effluent is guaranteed.

Description

technical field [0001] The invention relates to a membrane pollution vibration control device in the process of treating algae-containing water and a method for controlling membrane pollution by using the device. Background technique [0002] The current large-scale cyanobacterial bloom pollution incidents have brought great hidden dangers to the health of humans, animals and plants, and even caused serious political negative impacts and social shocks. As a physical separation process, low-pressure membrane separation technology (microfiltration membrane, ultrafiltration membrane) has a very efficient interception effect on bacteria, algae and other aquatic organisms, and is the most effective means to ensure the safety of microorganisms in water bodies. It has obvious advantages and significance when applied to the treatment of algae-containing water. However, the problem of membrane fouling is still the bottleneck of further popularization and application of membrane tech...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01D63/16B01D63/10C02F3/02B01D65/08
CPCB01D65/08B01D2321/2058C02F3/1268Y02W10/10
Inventor 张艳付强
Owner NORTHEAST AGRICULTURAL UNIVERSITY
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