High-pressure double-membrane water treatment device

A water treatment device and double-membrane technology, applied in water/sewage treatment, reduced water/sewage treatment, water/sewage multi-stage treatment, etc., can solve problems such as high equipment cost, low work efficiency, and large floor space , to achieve the effect of reducing floor area and cost, improving efficiency and ensuring water production efficiency

Inactive Publication Date: 2020-01-21
碧菲分离膜(大连)有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

In the conventional double-membrane process, the water outlet of the ultrafiltration membrane needs to be equipped with an intermediate water tank, and then the reverse osmosis or

Method used

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  • High-pressure double-membrane water treatment device

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Example Embodiment

[0012] Attached below figure 1 To further explain the present invention:

[0013] A high-pressure double-membrane water treatment device. A dosing device 2 is connected to the water inlet pipe 1. The water inlet pipe 1 is provided with a filter a6, a high-pressure pump 3 and a control valve a4. The water inlet pipe 1 is connected to several inlets. Water branch 5, each inlet branch 5 is provided with a control valve b7 and a high-pressure ultrafiltration membrane group 8. The outlet pipe b28 of the high-pressure ultrafiltration membrane group 8 is connected to the outlet main pipe a11 through the control valve c10, and the outlet main pipe a11 is provided There is a control valve d12, the outlet header a11 is connected to the reverse osmosis membrane group a13, the outlet pipe a24 of the high-pressure ultrafiltration membrane group 8 is connected to the outlet pipe c39, the outlet pipe c39 is connected to the outlet header b29, and the outlet pipe c39 is provided with a control v...

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Abstract

The invention discloses a high-pressure double-membrane method water treatment device, and belongs to the technical field of water treatment equipment. A water inlet pipeline is connected with a dosing device; a filter a, a high-pressure pump and a control valve a are arranged on the water inlet pipeline; the water inlet pipeline is connected with a plurality of water inlet branches; a control valve b and a high-pressure ultrafiltration membrane group are arranged on each water inlet branch; a water outlet pipe b of the high-pressure ultrafiltration membrane group is connected with a water outlet manifold a through a control valve c, a control valve d is arranged on the water outlet manifold a, the water outlet manifold a is connected with a reverse osmosis membrane group a, the water outlet pipe a of the high-pressure ultrafiltration membrane group is connected with a water outlet pipe c, the water outlet pipe c is connected with a water outlet manifold b, and a control valve m is arranged on the water outlet pipe c. The water treatment device has the beneficial effects that the occupied area and cost of the device are reduced, the device can operate normally in the cleaning process, and efficiency is improved.

Description

Technical field [0001] The invention relates to a double-membrane water treatment system, which belongs to the technical field of water treatment equipment. Background technique [0002] The double-membrane process uses ultrafiltration membranes as the pretreatment unit before reverse osmosis or nanofiltration, which can greatly improve the water quality of reverse osmosis or nanofiltration than conventional pretreatment, and extend the membrane elements of reverse osmosis or nanofiltration. The cleaning cycle can extend the service life of membrane elements. In the conventional double-membrane process, an intermediate water tank needs to be installed at the water outlet of the ultrafiltration membrane, and then reverse osmosis or nanofiltration membranes are connected through a water pump and connecting pipes. The area is large and the equipment cost is high. When the ultrafiltration membrane needs to be cleaned, Downtime, low work efficiency. Summary of the invention [0003] ...

Claims

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Application Information

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IPC IPC(8): C02F9/04
CPCC02F1/001C02F1/441C02F1/444C02F1/50C02F1/70C02F5/00C02F9/00C02F2301/066C02F2303/14
Inventor 路传波王俊徐志强杨国庆
Owner 碧菲分离膜(大连)有限公司
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