vacuum pan

American  

noun

1. a vessel equipped with a vacuum pump used for rapid evaporation by boiling a substance at a low temperature under reduced pressure.

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Example Sentences

But when the vacuum pan was introduced the molasses was impoverished of its sweetness and beet sugar does not yield any molasses.

From Creative Chemistry Descriptive of Recent Achievements in the Chemical Industries by Slosson, Edwin E.

A man can’t have his head pumped out like a vacuum pan, or stuffed full of odds and ends like a bologna sausage, and do his work right.

From Letters from a Self-Made Merchant to His Son Being the Letters written by John Graham, Head of the House of Graham & Company, Pork-Packers in Chicago, familiarly known on 'Change as "Old Gorgon Graham," to his Son, Pierrepont, facetiously known to his intimates as "Piggy." by Lorimer, George Horace

From the letters which I saw, the process appears to have been tried on a very large scale, with the advantage of filters and a vacuum pan.

From The Commercial Products of the Vegetable Kingdom Considered in Their Various Uses to Man and in Their Relation to the Arts and Manufactures; Forming a Practical Treatise & Handbook of Reference for the Colonist, Manufacturer, Merchant, and Consumer, on the Cultivation, Preparation for Shipment, and Commercial Value, &c. of the Various Substances Obtained From Trees and Plants, Entering into the Husbandry of Tropical and Sub-tropical Regions, &c. by Simmonds, P. L.

This condition is reached either by adding sugar and so increasing the soluble solids, or by driving off the water by evaporation, preferably in a vacuum pan.

From Outlines of Dairy Bacteriology, 8th edition A Concise Manual for the Use of Students in Dairying by Russell, H. L. (Harry Luman)

The process of cleaning has now been completed, and the sirup is pumped into the covered vessel previously alluded to, called the vacuum pan.

From Scientific American, Volume 22, No. 1, January 1, 1870 A Weekly Journal of Practical Information, Art, Science, Mechanics, Chemistry, and Manufactures. by Various