Method for preparing water-soluble azo dye continuously by chaos mixing of spiral tube
The invention provides a method for preparing a water-soluble azo dye continuously by the chaos mixing of a spiral tube. The core is that a spiral tube sudden-expansion and sudden-contraction structure is adopted; compared with pure straight tube sudden-expansion and sudden-contraction mixed reactio...
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| creator | LIANG DONG TANG BINGTAO ZHANG SHUFEN LV RONGWEN |
| description | The invention provides a method for preparing a water-soluble azo dye continuously by the chaos mixing of a spiral tube. The core is that a spiral tube sudden-expansion and sudden-contraction structure is adopted; compared with pure straight tube sudden-expansion and sudden-contraction mixed reaction, the method has the advantages that a mixed effect of a transverse secondary flow generated by fluid in a curved pipeline is far stronger than that of pure diffusion of a straight tube part; compared with the conventional spiral tube, the sudden-expansion and sudden-contraction part has the advantages that the motion trail of the fluid can be changed, the superficial area of a mixed interface can be increased and a chaos mixing effect can be enhanced; and the mixer has the advantages of quick and uniform mixing, stirring prevention, short retention time, high quality stability of the product, high speed of removing reaction heat by a tube wall and the like of a microreactor, and also overcomes the defects of smal |
| format | Patent |
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| subjects | ADHESIVES CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY CHEMISTRY DYES LAKES METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS MIXING, e.g. DISSOLVING, EMULSIFYING, DISPERSING MORDANTS NATURAL RESINS ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES PAINTS PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL POLISHES THEIR RELEVANT APPARATUS TRANSPORTING |
| title | Method for preparing water-soluble azo dye continuously by chaos mixing of spiral tube |
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