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Ultrafiltration device for improving uniformity of water distribution at large flow rate

A technology of uniform water distribution and large flow, applied in ultrafiltration, general water supply saving, seawater treatment and other directions, can solve the problems of unreasonable layout of ultrafiltration membrane elements, affecting the service life of membrane elements, and large flow deviation of membrane elements, etc. To achieve the effect of improving the uniformity of water distribution, improving the service life and reducing investment costs

Inactive Publication Date: 2019-12-10
HARBIN BOILER
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to solve the problem that the unreasonable layout scheme of the existing ultrafiltration membrane elements leads to large flow deviation of the membrane elements and uneven water distribution, which affects the service life of the membrane elements, and further provides a water distribution method that improves the large flow rate. Uniform ultrafiltration device

Method used

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  • Ultrafiltration device for improving uniformity of water distribution at large flow rate

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specific Embodiment approach 1

[0014] Specific implementation mode one: combine figure 1 Describe this embodiment, the ultrafiltration device described in this embodiment to improve the uniformity of water distribution at large flow rates, including connecting pipes 3, a plurality of support frames 1 and a plurality of ultrafiltration water inlet and outlet pipes 2, the one A kind of ultrafiltration device that improves the uniformity of water distribution when the large flow rate also includes a plurality of ultrafiltration membrane modules, a plurality of ultrafiltration membrane modules are arranged side by side, a plurality of ultrafiltration water inlet and outlet pipes 2 are vertically arranged side by side, each ultrafiltration The lower ends of the water inlet and outlet pipes 2 for filtration are installed on a support frame 1 respectively, and the upper ends of each water inlet and outlet pipe for ultrafiltration 2 are connected to the corresponding ultrafiltration membrane modules through connecti...

specific Embodiment approach 2

[0017] Specific implementation mode two: combination figure 1 To illustrate this embodiment, each group of ultrafiltration membrane modules described in this embodiment includes two water distribution pipelines 4 and several ultrafiltration membrane elements 5,

[0018] The center line of each water distribution pipe 4 along the length direction is perpendicular to the center line of the connecting pipe 3 along the length direction, the two water distribution pipes 4 are arranged side by side and in parallel, and the front end of each water distribution pipe 4 is connected to the The pipes 3 are connected, and the plurality of ultrafiltration membrane elements 5 are all connected to the water distribution pipeline. The plurality of ultrafiltration membrane elements 5 are arranged oppositely in two rows, and the water distribution pipeline 4 is located in the middle of the two rows of ultrafiltration membrane elements 5 .

[0019] The arrangement of multiple ultrafiltration mem...

specific Embodiment approach 3

[0021] Specific implementation mode three: combination figure 1 To illustrate this embodiment, several ultrafiltration membrane elements 5 described in this embodiment are arranged at equal intervals along the length direction of the water distribution pipeline 4 .

[0022] Other components and connections are the same as those in the first embodiment.

[0023] Specific implementation mode four: combination figure 1 To illustrate this embodiment, the rear end of each water distribution pipe 4 in this embodiment is provided with an end cover 4-1.

[0024] Other components and connections are the same as those in the third embodiment.

[0025] Specific implementation mode five: combination figure 1 To illustrate this embodiment, the number of ultrafiltration membrane modules described in this embodiment is 2-4. The number of ultrafiltration membrane modules can be selected according to actual application conditions, at least two.

[0026] Other components and connections ar...

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Abstract

The invention discloses an ultrafiltration device for improving the uniformity of water distribution at the large flow rate, and relates to the ultrafiltration device. The ultrafiltration device is aimed to solved the problems that the arrangement scheme of an existing ultrafiltration membrane element is not reasonable, and consequently the flow deviation of the membrane element is large, water distribution is not uniform, and the service life of the membrane element is influenced. The invention includes the ultrafiltration device for improving the uniformity of water distribution at the largeflow rate. The ultrafiltration device comprises connecting pipelines, a plurality of support frames and a plurality of ultrafiltration water inlet-outlet pipelines, the ultrafiltration device for improving the uniformity of water distribution at the large flow rate further comprises a plurality of ultrafiltration membrane assemblies, the multiple ultrafiltration membrane assemblies are arranged side by side, the multiple ultrafiltration water inlet-outlet pipelines are arranged vertically side by side, the lower ends of the ultrafiltration water inlet-outlet pipelines are mounted on the support frames correspondingly, and the upper ends of the ultrafiltration water inlet-outlet pipelines are connected with the corresponding ultrafiltration membrane elements through the connecting pipelines correspondingly. The ultrafiltration device is used for a membrane method sea water desalination system.

Description

technical field [0001] The invention relates to an ultrafiltration device, in particular to an ultrafiltration device for improving the uniformity of water distribution at a large flow rate, and the invention is used in a membrane seawater desalination system. Background technique [0002] In the membrane seawater desalination system, when the water production of a single set of ultrafiltration carriage device exceeds a certain flow rate in the traditional ultrafiltration device, according to the existing layout method (all the ultrafiltration membrane elements of the traditional ultrafiltration device are in the water inlet and outlet One side of the pipeline is arranged in double rows), the length of the ultrafiltration membrane modules will be too long, and the number of membranes in a single set is large, and the ultrafiltration membrane modules will increase the resistance loss along the water, so if the ultrafiltration The arrangement of membrane elements is unreasonab...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D61/18C02F1/44C02F103/08
CPCB01D61/145B01D61/18C02F1/444C02F2103/08Y02A20/131
Inventor 任显龙刘娜果志强武莉莉梁鹏马原刘赞辉李建霖
Owner HARBIN BOILER
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