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Automated chemical storage and chemical feed system

  • US 5,126,729 A
  • Filed: 07/21/1989
  • Issued: 06/30/1992
  • Est. Priority Date: 07/25/1988
  • Status: Expired due to Term
First Claim
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1. Apparatus for remotely monitoring and maintaining a chemical supply for a process, said apparatus comprising, a base tank for the chemical at a use station at an on-site location, said base tank having an outlet adapted to be connected to the process to feed chemical to the process, means sensing the level of chemical in the tank and producing an electrical signal related to said level, telemetry means at the use station receiving the signal and transmitting it to a remotely located supply station at an off-site location, means at the supply station receiving the signal and converting it to a readout of the tank level and quantity, and means at the supply station for replenishing the supply, said means for replenishing the supply including a portable refill tank filled with the chemical to be transported to the use station for replenishing the chemical supply in the base tank, and said refill tank having a dished bottom and a bottom discharge, and a gas supply for pressure unloading to completely empty the contents, whereby the quantity data from the receiving means may be evaluated so that a replenishing chemical supply can be delivered when needed to avoid exhaustion of the chemical supply at the use station.

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