Processing apparatus and processing method for industrial park salt-containing wastewater

A technology for saline wastewater and treatment devices, which is applied in chemical instruments and methods, multi-stage water/sewage treatment, water/sludge/sewage treatment, etc., and can solve problems such as large negative impact on the environment, large operating costs, and large investment. , to achieve the effect of short construction period, lower investment and lower investment

Active Publication Date: 2014-08-13
BEIJING NEWBIOLINK TECH DEV
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Problems solved by technology

[0004] Disadvantages: large investment, large land occupation, high operating costs, and large negative impact on the environment;
[0007] Disadvantages: Compared with traditional technology, it saves investment, but is still larger, occupies less land but is still larger, and has higher operating costs. The negative impact on the environment is slightly reduced, but there is no essential difference

Method used

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  • Processing apparatus and processing method for industrial park salt-containing wastewater

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Embodiment Construction

[0040] The following takes the industrial park saline wastewater treatment project as an example to introduce.

[0041]Including regulating tank, softening sedimentation tank, chemical storage tank, multi-media filter, ultrafiltration device, first-stage roll-type reverse osmosis system, second-stage roll-type reverse osmosis system, ion exchange device, roll-type nanofiltration membrane device, High-pressure reverse osmosis membrane system, high-efficiency evaporator, salty wastewater discharge pipeline connected to the inlet of the regulating tank, the outlet of the regulating tank connected to the inlet of the softening sedimentation tank through pipelines, the dosing port of the chemical storage tank leads to the softening sedimentation tank, and the supernatant liquid outlet of the softening sedimentation tank The inlet of the multi-media filter is connected through a pipeline, the outlet of the multi-media filter is connected to the ultrafiltration device through a pipeli...

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Abstract

A disclosed processing apparatus for salt-containing wastewater comprises a regulating tank, a softening sedimentation tank, a reagent storage box, a multimedium filter, an ultrafiltration apparatus, a first-segment roll-type reverse osmosis system, a second-segment roll-type reverse osmosis system, an ion exchange apparatus, a roll-type nanofiltration membrane apparatus, a high-pressure reverse osmosis membrane system and an efficient evaporator. According to the apparatus, the anti-pollution capability is strong, the obstruction problem is solved, the concentration multiple is high, the reusable efficiency is high, the processing efficiency is high, the automation degree is high, the investment is saved, and the operation cost is low.

Description

technical field [0001] The invention relates to a treatment device and method for saline wastewater in an industrial park, belonging to the field of water treatment in environmental protection. Background technique [0002] At present, there are basically two options for the treatment of salty wastewater in chemical industry parks: traditional process and improved process. [0003] Traditional process: adopt traditional multi-media filter + ultrafiltration + two-stage roll reverse osmosis + evaporation pond process. In some projects, a roll-type reverse osmosis membrane system is actually used. With this traditional process, the system recovery rate is within 80%, and a large area of ​​evaporation pond is required to produce concentrated water. [0004] Disadvantages: large investment, large land occupation, high operating costs, and large negative impact on the environment; [0005] Improved process: It is an advanced process that has just emerged in China. It is based o...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F9/10
CPCY02A20/131
Inventor 郭强
Owner BEIJING NEWBIOLINK TECH DEV
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