CPC B01F 35/8311 (2022.01) [B01F 23/483 (2022.01); B01F 23/49 (2022.01); B01F 33/5023 (2022.01); B01F 33/5026 (2022.01); B01F 35/11 (2022.01); B01F 35/189 (2022.01); B01F 35/21112 (2022.01); B01F 35/2115 (2022.01); B01F 35/2213 (2022.01); B01F 35/2217 (2022.01); B01F 2101/49 (2022.01)] | 20 Claims |
1. A system for mixing acid and water, comprising:
a tank for holding acid;
an acid pump for pumping acid out of the tank;
an acid flow meter downstream of the acid pump;
an electronically controlled acid valve downstream of the acid pump;
a water pump for pumping water;
a water flow meter downstream of the water pump;
an electronically controlled water valve downstream of the water pump;
an electronically controlled flush valve configured to selectively permit water to flow from downstream of the water pump to upstream of the acid pump; and
a controller configured to monitor the flow meters and control the pumps and the valves.
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