Patent ID: 9533331
Date: 2017-01-03
CPC Classifications: B01F,B05B,B08B,F28G

Claim:
1. A hand-held solid chemical applicator for cleaning heat exchange coils, comprising: a fluid inlet disposed in a handle portion of the hand-held solid chemical applicator; a first valve coupled to the fluid inlet; a second valve comprising a selectively variable valve coupled to at least one of (i) the fluid inlet and (ii) the first valve; a fluid outlet in communication with the second valve; a chemical chamber inlet in communication with the second valve; a chemical chamber comprising a first open end and a second end opposite the first end, the chemical chamber being in communication with the chemical chamber inlet and the fluid outlet, the chemical chamber inlet being disposed near the first open end, the chemical chamber being disposed in a body portion of the hand-held solid chemical applicator, and the chemical chamber being operable to receive a chemical tablet; and a flow diverter disposed inside of the chemical chamber and oriented to deflect the fluid flow received from the chemical chamber inlet.