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Industrial wastewater drying method and industrial wastewater drying system

A technology for drying industrial wastewater, applied in chemical instruments and methods, energy wastewater treatment, water/sewage treatment, etc., can solve the problems of high energy consumption in the treatment process and heat-sensitive salts that cannot be reused, and achieve low operating costs and considerable Economic benefits, the effect of solving environmental problems

Inactive Publication Date: 2015-07-01
王兢
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, due to the necessity of heating the brine and air, the energy consumption of the treatment process is still relatively large, and some heat-sensitive salts cannot be reused

Method used

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  • Industrial wastewater drying method and industrial wastewater drying system
  • Industrial wastewater drying method and industrial wastewater drying system

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Embodiment Construction

[0025] Such as figure 1 As shown, the industrial wastewater drying method disclosed in the present invention, especially the drying method of industrial salt wastewater, uses low-speed normal temperature air to dry the wastewater, that is, the industrial wastewater is first pumped to a high place, from top to bottom Use the wastewater spraying device to spray to form the wastewater spraying streamline; at the same time, the normal temperature air is blown to the wastewater spraying streamline at a low speed by the fan, so that the water in the wastewater evaporates and is taken away by the air; at the bottom of the wastewater spraying area A receiving tank is set up so that the waste water sprayed after being blown by normal temperature air falls into the receiving tank, and then pumped to a high place; this is repeated until the industrial wastewater is air-dried or concentrated. The air that has absorbed the moisture of industrial wastewater is discharged into the outside ai...

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Abstract

The invention discloses an industrial wastewater drying method and an industrial wastewater drying system. Industrial wastewater is pumped to a high position and is sprayed by a wastewater spraying device from top to bottom to form wastewater spraying flow lines, normal temperature air flows the wastewater spraying flow lines at low speed through a fan so that the water of the wastewater is evaporated and taken away by air, a receiving slot is arranged on the bottom of the wastewater spraying device, sprayed wastewater falls to the slot to be circularly pumped to the high position to spray again, the steps are repeated until industrial wastewater is dried in air or concentrated. The industrial wastewater drying system does not need an external heat source, drying of industrial wastewater is realized with low operation cost, drying medium is normal temperature air and can not generate adverse effect on thermosensitive substance, precipitated solid after air-drying or concentrated solution can be comprehensively utilized, the problem of environment protection is solved, and considerable economic benefit is obtained.

Description

technical field [0001] The invention relates to a method and a system for drying and treating industrial waste water, in particular to a method and a system for drying and crystallizing salt-containing industrial waste water at normal temperature and low speed. Background technique [0002] With the acceleration of China's industrialization process, the amount of industrial wastewater continues to increase. At present, various industrial wastewater treatment technologies are emerging in an endless stream. Some companies have also invested a lot of money and equipment in the treatment of wastewater, which greatly reduces the impact of wastewater on the environment. However, the treatment of some wastewater has not been widely used due to high treatment costs, complicated treatment equipment, or poor treatment effects. In particular, salty industrial wastewater is difficult to be treated by biochemical methods. Heating methods are often used for evaporation and crystallization...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F1/12
CPCY02W10/33Y02W10/37
Inventor 王兢
Owner 王兢
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