ARRANGEMENT FOR PROGRAMMABLE HEATING AND COOLING BIOLOGICAL SPECIMEN IN LIQUID PHASE Russian patent published in 1994 - IPC

FIELD: biology. SUBSTANCE: arrangement has thermally insulated reaction vessel 1 with water drain and cover plate having sockets to receive containers 3. Lower part of the vessel accommodates heating element 6 and temperature pickup 7. Cold water is conveyed to vessel 1 along pipe 9 via solenoid-operated valve 8. The arrangement has electronic control unit 12 connected to the heating element. Water drain of the reaction vessel has the form of cylinder 4 and outlet pipe 5. Cylinder 4 is housed in vessel 1. Outlet pipe 5 is located outside vessel 1 at the side of its bottom. Mixer of the arrangement is fashioned as a discharge pipe mounted on cold water pipe 9 and having nozzle at the end connected tangentially to the reaction vessel. EFFECT: enhanced efficiency in operation. 2 cl, 3 dwg