Method and apparatus with lobed nozzles, for mixing reactive...

Details Method and apparatus with lobed nozzles, for mixing reactive... Method and apparatus with lobed nozzles, for mixing reactive...

2007-06-15

2009-11-10

Cooley, Charles E (Department: 1797)

Agitating

Having specified feed means

Impinging jets

C239S498000, C422S133000

Reexamination Certificate

active

07614780

ABSTRACT:
A method and an apparatus for high-pressure mixing of reactive chemical components. The chemical components are fed into a mixing chamber, by respective injectors at least one of which comprises a nozzle and a plug member for controlling the pressure drop; the nozzle and/or the plug member are shaped to form a lobed outlet orifice having an adjustable outlet cross section and a plurality of radially extending lobed formations, to create a vortical or swirling and highly turbulent state in the fluid jet. The surfaces in contact with the fluid of the nozzle and/or of the plug member can either be smooth or have sharp edges which contribute to increase the turbulence and swirling state of the fluid jet; a highly effective mixing degree is thereby achieved in the manufacture of polyurethane resins, bi-component resins and molded articles.

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