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Method for optimizing trend of membrane concentration ultrafiltration cross-flow concentrated water

An optimization method and membrane concentration technology, applied in chemical instruments and methods, filtration treatment, water/sewage treatment, etc., can solve the problems of increasing the dosage of hydrochloric acid and sulfuric acid, increasing the operating load of large and high density, etc.

Pending Publication Date: 2021-03-02
内蒙古晶泰环境科技有限责任公司
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Problems solved by technology

[0004] (2) A large amount of return water inside the system increases the operating load of large and high density, resulting in an increase in the dosage of calcium hydroxide, sodium carbonate, PFS, PAM, hydrochloric acid, and sulfuric acid

Method used

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  • Method for optimizing trend of membrane concentration ultrafiltration cross-flow concentrated water
  • Method for optimizing trend of membrane concentration ultrafiltration cross-flow concentrated water

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Embodiment Construction

[0023] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0024] see Figure 1-2 , the embodiment of the present invention provides a technical solution: a method for optimizing the direction of membrane concentrated ultrafiltration cross-flow concentrated water, and its use method is as follows:

[0025] S1, see figure 1 , the outlet points of the original three sets of membrane concentrated ultrafiltration concentrated water were changed to most medium backwash water tanks, and the originally designed membrane con...

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Abstract

The invention discloses a method for optimizing the trend of membrane concentration ultrafiltration cross-flow concentrated water, which comprises the following step: S1, changing original three setsof membrane concentration ultrafiltration concentrated water outlet points into a large multi-medium backwashing water tank, leading originally designed membrane concentration ultrafiltration concentrated water pipelines from three sets of ultrafiltration concentrated water valves to meet at a pipe gallery, gathering the water in the pipelines to a main pipeline, and discharging the water into a strong brine adjusting tank. The invention relates to the technical field of ultrafiltration cross-flow concentrated water treatment. According to the method for optimizing the trend of membrane concentration ultrafiltration cross-flow concentrated water, a large amount of ultrafiltration concentrated water is originally designed through a membrane concentration device to enter the strong brine adjusting tank, be lifted, be treated by large high-density equipment and then enter a subsequent working section, repeated tests prove that the ultrafiltration concentrated water is filtered water withturbidity, hardness and large-particle suspended solids degraded by a high-density sedimentation tank and a multi-medium filter, can completely cross over large high-density and directly enters the multi-medium backwashing water tank, so that the operation load and the medicament consumption of large high-density equipment are reduced, and the operation cost is reduced.

Description

technical field [0001] The invention relates to the technical field of ultrafiltration cross-flow concentrated water treatment, in particular to a method for optimizing the direction of membrane concentration ultrafiltration cross-flow concentrated water. Background technique [0002] 1. Membrane concentration unit [0003] (1) Membrane concentration unit of concentrated brine treatment system of Yitai Chemical Project Office, backwash water of most media filters, large ultrafiltration cross-flow wastewater, large ultrafiltration backwash water, weak acid cation bed regeneration waste liquid, RO and UF membrane systems Chemical cleaning wastewater, RO membrane timing flushing wastewater, and sludge dewatering centrifuge filtrate all enter the corresponding collection pool through the ditch in the factory building, and finally enter the concentrated brine adjustment pool, and enter the follow-up section after high-density dehardening. [0004] (2) A large amount of return wa...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F9/10
CPCC02F9/00C02F1/001C02F1/441C02F1/04C02F1/52
Inventor 郭平根张利名肖龙博张水水王晓虎李智张帅苏浩孙树青
Owner 内蒙古晶泰环境科技有限责任公司
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