FIELD: automatic control of rarefaction at simultaneous control of waste gas temperature differential in channels with electric filters. SUBSTANCE: inlets temperature regulator of middle ventilator are connected to temperature sensor of waste gas channel of middle ventilator and to temperature sensors located in waste-gas channels of end ventilator directions through averaging adder and to temperature difference setter. Actuating regulator of middle ventilator direction is provided with feedback through power sensor of drive of this ventilator. EFFECT: enhanced uniformity of combustion in cross section of furnace. 1 dwg
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Authors
Dates
1999-04-20—Published
1997-05-14—Filed