High-salt-content inorganic wastewater fluidization treatment technique and system

A technology for inorganic wastewater and fluidized treatment, applied in water/sewage treatment, water/sludge/sewage treatment, chemical instruments and methods, etc., can solve problems such as low energy consumption and treatment efficiency, and achieve stable and reliable operation and accurate positioning , the effect of convenient and quick operation

Inactive Publication Date: 2014-03-26
CHINA INST FOR RADIATION PROTECTION
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Problems solved by technology

[0004] The purpose of the present invention is to provide a high-salt inorganic wastewater fluidized treatment process and system with low energy consumption, high treatment efficiency, clean and environment-friendly, aiming at the defects of the existing high-salt wastewater treatment process

Method used

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  • High-salt-content inorganic wastewater fluidization treatment technique and system

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Embodiment

[0018] Such as figure 1 As shown, the high-salt inorganic wastewater fluidized treatment system includes a fluidized medium powder storage tank 1 (the fluidized medium adopts CaO powder) and a waste water tank 2 respectively connected to the fluidized bed drying tower 3, and the waste water tank 2 is connected with the fluidized bed A delivery pump 4 and a high-pressure nozzle are arranged between the drying towers 3 . Wastewater can be evaporated concentrated liquid or directly high-salt concentration wastewater. The wastewater is temporarily stored in the wastewater tank 2 through the pipeline. When necessary, it is transported to the fluidized bed drying tower 3 through the waste liquid delivery pump 4 and atomized by a high-pressure nozzle. After that, it is sprayed into the fluidized bed drying tower. The fluidized medium powder is loaded into the storage tank 1, and then transported into the fluidized bed drying tower 3 through the screw feeding mechanism 15.

[0019] ...

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Abstract

The invention relates to liquid waste treatment technology, particularly a high-salt-content inorganic wastewater fluidization treatment technique and system. The technique comprises the following steps: a fluidizing agent in a fluidized bed is fluidized and disturbed by high-temperature air; high-salt-content inorganic wastewater is atomized by a high-pressure sprayer and sprayed into the fluidized bed to sufficiently contact the high-temperature fluidizing agent to be subjected to evaporation treatment; the crystallized salt powder granules after evaporation are collected by a stage purification trapping system to an ash bucket and sent out for treatment; and purified water is discharged by a chimney along with the high-temperature gas. The treatment system has the advantages of safe integral seal, high positioning accuracy of device operation actions, and smooth and reliable operation, and is convenient and quick to operate.

Description

technical field [0001] The invention relates to liquid waste treatment technology, in particular to a fluidized treatment process and system for high-salt inorganic waste water. Background technique [0002] A large amount of saline inorganic wastewater is produced in the production process of printing and dyeing, papermaking, chemical, pharmaceutical and pesticide industries. The main components are chloride, sulfate, nitrate or carbonate, etc., and the waste liquid is often accompanied by heavy metal ions. . This kind of wastewater is produced in a wide range of ways. With the development of the economy, the amount of wastewater produced has a tendency to increase rapidly year by year. Among them, the most harmful to the environment is high-concentration saline wastewater (salt content exceeding 20%) and wastewater containing heavy metal ions. If it is discharged into the environment without treatment, it will significantly increase the environmental osmotic pressure and ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F1/10
Inventor 王煦晋李达李晓海杨利国徐卫贾成明杨丽莉
Owner CHINA INST FOR RADIATION PROTECTION
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