Industrial wastewater resource zero-discharge system

Abstract

The invention relates to an industrial wastewater resource zero-discharge system. The industrial wastewater resource zero-discharge system comprises a pretreatment unit, a resource treatment unit, a membrane concentration unit, a MVR (melt volume flow rate) evaporation and concentration unit, an incineration and purification unit, an MVR quality crystallizing unit, and a self control and Internet of Things remote monitoring diagnosis management unit, wherein the pretreatment unit comprises an oil removal device, a filtering device, a blowoff device and an extraction device; the resource treatment unit comprises an acid adsorbing device, an organic matter adsorbing device and an ion adsorbing device; the membrane concentration unit comprises a high-grade oxidizing device, an ultrafiltering device and a reverse osmosis device; the MVR evaporation and concentration unit comprises a low-salinity wastewater MVR evaporation device and a high-salinity wastewater MVR evaporation device. The industrial wastewater resource zero-discharge system has the advantages that the defect of difficult biochemical treatment of industrial wastewater which has high slat content and high COD (chemical oxygen demand) content and contains oil, acid and heavy metals is overcome; the valent components are recycled according to quality, the resources are utilized, and the zero discharge is reliably realized; by adopting the Internet of Things remote monitoring diagnosis, the operation, management and maintenance of a project are favorably realized.

Description

Technical field [0001] The invention relates to a zero-discharge system for industrial waste water resource utilization, in particular to a zero-discharge system for industrial waste water resource utilization through remote monitoring and diagnosis management of the Internet of Things, belonging to the field of resources and environment. Background technique [0002] The current industrial wastewater pretreatment process is long, the process is complex, the investment and operating costs are high, and the treatment effect is not ideal; the current industrial wastewater treatment process without resources or insufficient resource treatment, wastes resources, and has high treatment costs; the current industry The membrane concentration after biochemical wastewater has high investment and operating costs, serious pollution, and it is difficult to operate stably for a long time; the current industrial wastewater such as coal chemical wastewater mainly adopts a combination process of ...

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Problems solved by technology

[0003] In order to solve the problems that the existing industrial wastewater pretreatment process is long, the process is complex, the investment and operation costs are high, and the treatment effect is not ideal, the present invention provides a zero-discharge system for industrial wastewater recycling, including a pretreatment unit; a pretreatment unit Including degreasing device, lifting pump, filtering device, blowing off device and extracting device; the outlet of oil removing device is connected to the water inlet of filtering device through lifting pump pipeline, and the water outlet of filtering device is connected to the inlet of blowing off device through pipeline. Water port, the water outlet of the stripping device is connected to the water inlet of the extraction device

[0004] Aiming at the problems that the current industrial waste water has no resource-based treatment process or insufficient resource-based treatment, waste of resources, and high treatment cost, as a further limiting solution of the present invention, the system also includes a resource-based treatment unit; the resource-based treatment unit includes acid Adsorption device, organic matter adsorption device and ion adsorption device; the water outlet of the extraction device is connected to the water inlet of the acid adsorption device through a pipeline, the water outlet of the acid adsorption device is connected to the water inlet of the organic matter adsorption device through a pipe, and the water outlet of the organic matter adsorption device Connected to the water inlet of the ion adsorption device by piping

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