SU96483A1 - The method of regulating the heating of thermally unstable liquids - Google Patents

The method of regulating the heating of thermally unstable liquids

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Publication number
SU96483A1
SU96483A1 SU446304A SU446304A SU96483A1 SU 96483 A1 SU96483 A1 SU 96483A1 SU 446304 A SU446304 A SU 446304A SU 446304 A SU446304 A SU 446304A SU 96483 A1 SU96483 A1 SU 96483A1
Authority
SU
USSR - Soviet Union
Prior art keywords
heating
regulating
thermally unstable
liquids
heater
Prior art date
Application number
SU446304A
Other languages
Russian (ru)
Inventor
Г.К. Нечаев
Original Assignee
Г.К. Нечаев
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Г.К. Нечаев filed Critical Г.К. Нечаев
Priority to SU446304A priority Critical patent/SU96483A1/en
Application granted granted Critical
Publication of SU96483A1 publication Critical patent/SU96483A1/en

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  • Control Of Resistance Heating (AREA)

Description

Предлагаетс  способ регулировани  нагрева термически иестойкнх жидкостей, например растительного масла, путем изменени  тока, питающего электронагреватель.A method is proposed for regulating the heating of thermally and resistant liquids, such as vegetable oil, by changing the current supplying the electric heater.

При нагревании термически нестойких жидкостей при помощи электронагревательных элементов сопротивлени  наблюдаютс  случаи меclHoro перегрева жидкостей и графитизации растительного масла в местах соприкосновени  с поверхностью нагревателей.When thermally unstable liquids are heated with the help of electric heating elements of resistance, there are cases of mezzhloro overheating of liquids and graphitization of vegetable oil in the places of contact with the surface of heaters.

Предлагаемый способ устран ет перегрев в местах контакта жидкости с поверхностью электронагревателей и обеспечивает максимальную скорость нагрева.The proposed method eliminates overheating at the points of contact of the liquid with the surface of electric heaters and provides the maximum heating rate.

Особенность предлагаемого способа заключаетс  в том, что, в процессе регулировани  поддерживают температуру поверхности электронагревател  посто нной и предельно допустимой по услови м термической стойкости жидкостей. Посто нство температуры поверхности нагревател  обеспечиваетс  регулированием потребл емой нагревателем мощности, что осуществл етс  применением автоматизирующих устройств.The peculiarity of the proposed method is that, during the adjustment process, the surface temperature of the electric heater is kept constant and at the maximum permissible under the conditions of thermal stability of liquids. The condition of the temperature of the surface of the heater is ensured by regulating the power consumed by the heater, which is accomplished by the use of automation devices.

На чертеже изображена принциниальна  схема регулировани  нагрева по предлагаемому способу путем изменени  напр жени  тока, поступающего в электронагреватель.The drawing shows the basic scheme for controlling the heating of the proposed method by varying the voltage of the current flowing into the electric heater.

Система регулировани  включает: автотрансформатор, термопары 7с2 и Тж дл  измерени  температуры поверхности стенки нагревател  и жидкости, контактный гальванометр ДТ, промежуточные реле РО н РП в цепи управлени  реверсивным контактором КР, катущки /СО и К.П управлени  контактора К.Р, главный выключатель ГВ автотрансформатора и контакты К.ГВ на его валу, предельные выключатели ПВ и электродвигатель М.The control system includes: an autotransformer, thermocouples 7c2 and Tj for measuring the temperature of the surface of the heater wall and the liquid, a contact galvanometer DT, intermediate relays RO n RP in the control circuit of the reversing contactor KR, coils / CO and KP control contactor K.K. GW of the autotransformer and K.GV contacts on its shaft, limit switches PV and electric motor M.

Схема обеспечивает работу системы регулировани  таким образом, что при достижении предельно допустимой температуры поверхности нагревател  начинает уменьщатьс  подводимое к электродвигателю напр жение. В этом случае замыкаютс  контакты РО, подаетс  напр жение иа катущку КО контактора К.Р и на электродвигатель М, который перемещает механизм регулировани  в сторону понижени  напр The circuit ensures that the control system operates in such a way that when the maximum permissible surface temperature of the heater is reached, the voltage applied to the electric motor starts to decrease. In this case, the contacts of the RO are closed, the voltage is applied to the coil of the contactor K.K. and to the electric motor M, which moves the control mechanism downwards.

SU446304A 1952-04-12 1952-04-12 The method of regulating the heating of thermally unstable liquids SU96483A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SU446304A SU96483A1 (en) 1952-04-12 1952-04-12 The method of regulating the heating of thermally unstable liquids

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SU446304A SU96483A1 (en) 1952-04-12 1952-04-12 The method of regulating the heating of thermally unstable liquids

Publications (1)

Publication Number Publication Date
SU96483A1 true SU96483A1 (en) 1952-11-30

Family

ID=48371329

Family Applications (1)

Application Number Title Priority Date Filing Date
SU446304A SU96483A1 (en) 1952-04-12 1952-04-12 The method of regulating the heating of thermally unstable liquids

Country Status (1)

Country Link
SU (1) SU96483A1 (en)

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