초록 ▼

An apparatus for automatically preparing a multi-ingredient mixture in batches in a mixing tank and providing a continuous supply of the mixture to a run tank in response to down stream demand. Gravimetric means provide monitoring signals indicative of the actual weight of the contents of each tank.

An apparatus for automatically preparing a multi-ingredient mixture in batches in a mixing tank and providing a continuous supply of the mixture to a run tank in response to down stream demand. Gravimetric means provide monitoring signals indicative of the actual weight of the contents of each tank. Deviations from target ingredient ratios are automatically registered and compensated for in preparing each batch by logic control means which compare the actual weight of each ingredient added with a precalculated target weight, calculate target weights for the second and subsequently added ingredients on the basis of the actual amounts of ingredients added earlier and automatically activate the mixing tank outlet valve and the ingredient supply valves.

대표청구항 ▼

An apparatus for preparing a mixture in batches and supplying it to a feed station comprising: a mixing tank; means for transferring the mixture from the mixing tank to the feed station; a first source for supplying a first ingredient of the mixture; a second source for supplying a second ingredient

An apparatus for preparing a mixture in batches and supplying it to a feed station comprising: a mixing tank; means for transferring the mixture from the mixing tank to the feed station; a first source for supplying a first ingredient of the mixture; a second source for supplying a second ingredient of the mixture; a first supply valve connecting the first source to the mixing tank; a second supply valve connecting the second source to the mixing tank; means for providing a mixing tank monitoring signal indicating the actual weight of the contents of the mixing tank; means for providing a “start prep”signal to initiate the mixture preparation; and logic control means responsive to the “start prep”signal and the mixing tank monitoring signal for opening and closing the first and second supply valves to sequentially add the first and second ingredients to the mixing tank in accordance with precalculated target weights, the control means including first calculator means responsive to the mixing tank monitoring signal for calculating a target weight for the second ingredient on the basis of the weight of the first ingredient actually added to the mixing tank.