Apparatus and method for in-situ application of chemical in a sw

Details Apparatus and method for in-situ application of chemical in a sw Apparatus and method for in-situ application of chemical in a sw

1996-04-19

1998-01-20

Hruskoci, Peter A.

Liquid purification or separation

Structural installation

Closed circulating system

2101981, 210238, 239140, 239149, E04H 416

Patent

active

057097933

ABSTRACT:
An apparatus 10 or 15 and corresponding methods for applying chemical/acid wash solution 65 from a container 60 in a swimming pool/spa 100 to clean and remove stains, scale deposits, and the like from desired areas. The apparatus 10 or 15 generally has a frame 11 or 12 for receiving and holding the container 60 and a handle receiving portion 50 for attaching a handle/pole 40 to allow a user to grasp and move the apparatus 10 or 15 within the pool/spa 100 and to allow chemical/acid wash solution 65 to flow to desired areas. In one embodiment, frame 11 is made of tubular material and has a rectangular base 20 and a rectangular U-shaped brace portion 30. In another embodiment, frame 12 has two half portions 70 and 80. Frame 12 is generally made of a vinyl coated wire construction, and half portions 70 and 80 are generally semi-cylindrical vinyl coated wire structures. The half portions 70 and 80 are hingedly attached to each other so that the frame 12 can be moved between an open and closed position. A container 60 is secured within frame 12 by swinging open half portions 70 and 80, placing container 60 within frame 12, closing half portions 70 and 80. A conventional swimming pool or spa pole/handle 40 can be attached to apparatus 10 or 15, or a pole/handle 45 can be integrally attached to apparatus 10 or 15. The user can more accurately and precisely move the container 60 and control the amount of chemical/acid wash 65 that flows to an area by being able to directly move the handle 40 and apparatus 10 or 15 that holds the container 60. The acid wash solution can be a mixture of hydrochloric acid and oxalic acid, and the neutralizer can be a mixture of magnesium hydroxide or magnesium oxide slurry in a brine base solution of sodium carbonate, sodium bicarbonate, or sodium chloride in water.

REFERENCES:
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patent: 5108514 (1992-04-01), Kisner
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