Evaporation apparatus for active ingredients such as pyrethrum i

Details Evaporation apparatus for active ingredients such as pyrethrum i Evaporation apparatus for active ingredients such as pyrethrum i

1988-02-05

1989-07-04

Yuen, Henry C.

Stoves and furnaces

Stoves

Cooking

431146, 432222, 126 95, 126 45, F24C 500

Patent

active

048440507

ABSTRACT:
In order to improve an apparatus for the evaporation of active ingredients such as pyrethrum or similar insecticides, air-improving, bactericidal, disinfecting and/or, for example, curing substances incorporated in cellular boards or other solid carrier materials, consisting of a housing in which there is provided a heating means which is arranged behind a housing window, and of a holding means for the exchangeable arrangement of an active ingredient carrier panel in front of the housing window in such a way that an evaporation apparatus which is independent from electrical energy can be achieved while maintaining high reliability in handling, it is proposed that a catalytic, merely glowing, that is flamelessly acting burner 4 with fuel tank 3 be arranged in the housing 1 having ventilation openings 13 at such a distance from the housing window 2 that the hot waste gases from the burner 4 flow through the housing window 2 and activate the active ingredients.

REFERENCES:
patent: 4539973 (1985-09-01), Hait
patent: 4544348 (1985-10-01), Boij

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