Mix head for mixing reactive chemicals

Details Mix head for mixing reactive chemicals Mix head for mixing reactive chemicals

1990-06-14

1992-01-21

Warden, Robert J.

Chemical apparatus and process disinfecting, deodorizing, preser

Chemical reactor

Organic polymerization

239550, 239591, 251360, 251367, 366137, 366159, 366173, 422131, 422135, 422224, B01J 1926

Patent

active

050826336

ABSTRACT:
A mixing head for high pressure mixing of reactive chemicals defines a mixing chamber for receiving and mixing oppositely directed impinging chemicals and having an outlet through which the chemicals are discharged after mixing. A separate tubular nozzle assembly for each chemical is replaceably mounted in the body of the mix head and has an inlet for receiving one of the chemicals and an orifice communicating with the mixing chamber. Each nozzle assembly includes a nozzle body and an annular sleeve or ring shaped orifice member of abrasion resistant material defining the orifice and a tubular support fabricated from a non-metallic material, e.g., an internally lubricated super polyamide, snugly spacing the annular orifice member from portions of the nozzle body defining the associated passage and also interfitting with the annular orifice member in supporting relation. After substantial wear of annular orifice member of the nozzle assembly, it can be readily replaced without replacing the other parts of the assembly.

REFERENCES:
patent: 3931933 (1976-01-01), Cairns et al.
patent: 4239732 (1980-12-01), Schneider
patent: 4241878 (1980-12-01), Underwood
patent: 4421722 (1983-12-01), Massey et al.
patent: 4669660 (1987-06-01), Weber et al.
patent: 4705219 (1987-11-01), Pagdin
patent: 4707339 (1987-11-01), Johnson et al.
patent: 4726933 (1988-02-01), Mayr et al.
von Hassel; "Processsing `Exotic` Thermoplastics:How Much Difference?" Plastics Technology, May 1980, pp. 57-67.

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