Environment-friendly treating device and process for concentrated waste liquor obtained after evaporation of pesticide and resin chemicals
A technology of concentrated waste liquid and environmental protection treatment, applied in the direction of incinerator, combustion type, alkali metal chloride, etc., to achieve the effect of protection discharge, good separation effect and zero discharge
Inactive Publication Date: 2013-05-08
齐保冉
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Problems solved by technology
The production capacity of enterprises using glycine method to produce glyphosate in my country exceeds 500,000 tons per year. When glyphosate is prepared by glycine method, a large amount of glyphosate mother liquor will be produced, because the mother liquor contains a large amount of sodium salt, making it impossible to use the mother liquor Preparation of high content glyphosate water solution
Method used
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Embodiment 1
[0022] Take the specific operation process of separating glyphosate mother liquor as an example to illustrate;
[0023] Such as figure 1 As shown, an environmental protection treatment device for concentrated waste liquid after evaporation of pesticides and resin chemicals, including a heating and stirring tank, the heating and stirring tank is connected with a first centrifuge and a second centrifuge through a pipeline, and the first centrifuge and the second centrifuge The liquid outlet is connected to the mother liquor tank, the solid matter outlets of the first centrifuge and the second centrifuge are connected to the belt conveyor, the discharge end of the belt conveyor is connected to the stirring tank, and the outlet of the stirring tank is connected to the third centrifuge through a pipeline , the liquid outlet of the third centrifuge is connected to the evaporation circulation system, the mother liquid tank is connected to the boiler, the exhaust port of the boiler is...
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The invention discloses an environment-friendly treating device and a process for concentrated waste liquor obtained after evaporation of pesticide and resin chemicals and relates to the technical field of chemicals. The environment-friendly treating device comprises a heating and stirring kettle, wherein a first centrifuge and a second centrifuge are connected to the heating and stirring kettle through pipelines, the liquor outlet of the first centrifuge and the liquor outlet of the second centrifuge are connected with a mother liquor tank, the solid matter outlet of the first centrifuge and the solid matter outlet of the second centrifuge are connected to a belt conveyer, the discharge end of the belt conveyer is connected to a stirring tank, the outlet of the stirring tank is connected to a third centrifuge through a pipeline, the liquor outlet of the third centrifuge is connected to an evaporative circulation system, the mother liquor is connected to a boiler, and the smoke outlet of the boiler is connected with a deacidifying device. The environment-friendly treating device and process are good in separation effect and have the advantages of effectively improving the economic benefit of concentrated waste liquor, achieving complete protective discharge by carrying out lime deacidifying and dealkalizing treatment and realizing zero emission of pollutants.
Description
technical field [0001] The invention relates to the technical field of chemical industry, in particular to an environmental protection treatment device and process for concentrated waste liquid after evaporation of pesticide and resin chemical industry. Background technique [0002] At present, the concentrated liquid after evaporation in the chemical production of pesticides, resins and corresponding intermediates needs to be treated, but there has been no good method, which cannot meet the requirements of environmental protection. For example, glyphosate in pesticides is the most widely used herbicide in the international market, with the characteristics of high efficiency, low toxicity and no residue. The production capacity of enterprises using glycine method to produce glyphosate in my country exceeds 500,000 tons per year. When glyphosate is prepared by glycine method, a large amount of glyphosate mother liquor will be produced, because the mother liquor contains a lar...
Claims
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Inventor 齐保冉
Owner 齐保冉