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Небесная энциклопедия

Космические корабли и станции, автоматические КА и методы их проектирования, бортовые комплексы управления, системы и средства жизнеобеспечения, особенности технологии производства ракетно-космических систем

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01-10-2014 дата публикации

Method for accurately measuring temperature of reduction furnace

Номер: CN104075827A
Автор: CHEN FENG, YUN SUHE, ZHANG WEI
Принадлежит:

The invention discloses a method for accurately measuring a temperature of a reduction furnace. The method comprises the steps of installing a temperature transmitter on an air inlet pipe of the reduction furnace and installing a temperature transmitter and a flow transmitter on a gas outlet pipe; installing a temperature transmitter at a cooling water inlet of the reduction furnace, and installing a temperature transmitter and a flow transmitter at a cooling water outlet; installing a far infrared temperature thermometer on sight glass of the reducing furnace; installing all phase voltage and current measurement devices at a heating power supply of the reducing furnace; computing a voltage and a current applied on a silicon rod to obtain conductivity of the silicon rod at this time, performing automatic query and fuzzy values according to a matrix with the conductivities and temperatures in a one-to-one correspondence mode, and pre-measuring a temperature of the silicon rod at this time ...

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Номер записи: 1
14-05-2014 дата публикации

Method for accurate flow measurement of reduction furnace

Номер: CN103791960A
Автор: CHEN FENG, ZHANG YAOPING, YUN SUHE, CAO ZHONG, DONG YANJUN, LI ZHIGANG
Принадлежит:

The invention discloses a method for accurate flow measurement of a reduction furnace. A multi-pipe parallel mode is adopted, and a computer acquisition system is adopted to perform flow acquisition, data storage, supervision and management and network communication. Within a measuring range of a flow meter, flow of a main pipe can be calculated through a formula by multiplying a display value of the flow meter by a circulation number of branch pipes; when the flow value is displayed out of the measuring range, the open number of the parallel branch pipes is increased for distribution, so that the purpose of measuring a larger flow range by a small flow meter is achieved, and the purpose of wide-range rate flow measurement is achieved. The method for flow measurement is improved from a conventional flow measurement mode, the wide-range rate flow measurement method is simple and easy to operate, and flow of the reduction furnace can be measured accurately.

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Номер записи: 2