Cyclization kettle for dehydrating gasified sulfur trioxide

Abstract

The invention provides a cyclization kettle for dehydration of gasified sulfur trioxide, belonging to the field of reaction tanks. The cyclization kettle comprises a tank body, wherein a coaxial vertical shaft is rotatably mounted in the tank body; the lower end of the vertical shaft is fixedly connected with the upper end of a lead screw of a reciprocating lead screw pair; the periphery of a nutof the reciprocating lead screw pair is movably sleeved with a coaxial vertical pipe; the nut of the reciprocating lead screw pair can only move up and down along the vertical pipe; and the lower endof the vertical pipe is rotationally connected with the bottom of the tank body through a sealed bearing. The cyclization kettle is simple in structure and ingenious in conception; two solutions are sprayed during rotation, so the mixing effect of the two reaction solutions is improved; fan-shaped plates with continuously changed wind power disturb the spraying of the two reaction solutions, so mixing effect is further improved; cooling liquid circulates through the interiors of the fan-shaped plates, and therefore, the fan-shaped plates are made to blow out cold air, and cooling effect is improved; and the fan-shaped plates are in cutting contact with reaction solution spray, so cooling effect and mixing effect are improved.

Description

technical field [0001] The invention belongs to the field of reaction tanks, in particular to a ring closure tank for dehydration of gasified sulfur trioxide. Background technique [0002] In the process of dehydration and cyclization of triethylamine salt solution of acetoacetylsulfamate and sulfur trioxide, in order to improve the reaction efficiency, the gas phase reaction is used instead of the liquid phase reaction to increase the contact area of ​​the reactants, increase the mixing effect, and accelerate the reaction efficiency, so Use spray reaction tank to carry out acetoacetylsulfamic acid triethylamine salt solution and sulfur trioxide dehydration cyclization, but existing spray reaction tank simply makes two kinds of reaction solution solutions atomized and mixed, and the mixing effect still needs to be improved. The dehydration and cyclization product is cooled by the low-temperature coolant at the bottom of the tank to keep the dehydration and cyclization at a l...

AI Technical Summary

Problems solved by technology

[0002] In the process of dehydration and cyclization of triethylamine salt solution of acetoacetylsulfamate and sulfur trioxide, in order to improve the reaction efficiency, the gas phase reaction is used instead of the liquid phase reaction to increase the contact area of ​​the reactants, increase the mixing effect, and accelerate the reaction efficiency, so Use spray reaction tank to carry out acetoacetylsulfamic acid triethylamine salt solution and sulfur trioxide dehydration cyclization, but existing spray reaction tank simply makes two kinds of reaction solution solutions atomized and mixed, and the mixing effect still needs to be improved. The dehydration and cyclization product is cooled by the low-temperature coolant at the bottom of the tank to keep the dehydration and cyclization at a low temperature environment. Due to the poor fluidity of the low-temperature coolant, it cannot cool down well and cannot meet the actual needs. Therefore, we invented a gasification trioxide Cycling kettle for sulfur dehydration

Images