Using a chemical injection system for procare professional spray equipment

A chemical injection system comprising:

• a first Venturi injector having a first injector housing;
• wherein the first injector housing comprises a first longitudinal cavity with a shape of a first hourglass, and wherein a first end of the first longitudinal cavity forms a first injector inlet and a second end of the first longitudinal cavity forms a first injector outlet, and
• wherein the first injector housing comprises a first vertical cavity located at a constriction in the shape of the first hourglass, the first vertical cavity forming a first injector port, and
• wherein the first injector inlet, the first injector outlet, and the first injector port are fluidly coupled,
• a second Venturi injector having a first injector housing;
• wherein the second injector housing comprises a second longitudinal cavity with a shape of a second hourglass, and wherein a first end of the second longitudinal cavity forms a second injector inlet and a second end of the second longitudinal cavity forms a second injector outlet, and
• wherein the second injector housing comprises a second vertical cavity
• located at a constriction in the shape of the second hourglass, the second vertical cavity forming a second injector port, and wherein the second injector port, the second injector inlet, and the second injector outlet are fluidly coupled;
• a first valve fluidly coupled to the first injector port and a second valve fluidly connected to the second injector port;
• a first chemical needle valve fluidly coupled to the first injector port and an in-line chemical flow gauge fluidly coupled between the first chemical needle valve and the first injector port, the in-line chemical flow gauge being configured to measure a rate of chemical flow and the first chemical needle valve being adjustable to regulate the chemical flow to a target value indicated by the in-line chemical flow gauge;
• wherein a change in carrier-fluid flow through a Venturi injector produces a corresponding and proportional change in suction at the respective injector port that is instantaneously visible on the in-line chemical flow gauge, enabling near-instant adjustment of the first chemical needle valve to maintain a precise micro-flow chemical injection rate;
• a first T-filter comprising a first T-filter input and a first T-filter output;
• and a second T-filter comprising a second T-filter input and a second T-filer output, wherein the first injector outlet is fluidly coupled to the first T-filter input,
• wherein the first injector outlet is fluidly coupled to the first T-filter input, the second injector outlet is fluidly coupled to the second T-filter input, and the first T-filter output is fluidly coupled to the second injector inlet to place the first Venturi injector and the second Venturi injector in series;
• and further comprising a primary reservoir, a pump having a pump input fluidly coupled to the primary reservoir and a pump output fluidly coupled to the first injector inlet, wherein the pump is an on-demand diaphragm pump;
• and wherein the primary reservoir, the pump, a chemical storage reservoir, and the chemical injection system are mounted on a portable platform selected from a vehicle-mounted skid or a backpack, to provide a compact, self-contained, and easily transportable system.