SU822984A1 - Method of cooling chill moulds - Google Patents

Method of cooling chill moulds Download PDF

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Publication number
SU822984A1
SU822984A1 SU792799947A SU2799947A SU822984A1 SU 822984 A1 SU822984 A1 SU 822984A1 SU 792799947 A SU792799947 A SU 792799947A SU 2799947 A SU2799947 A SU 2799947A SU 822984 A1 SU822984 A1 SU 822984A1
Authority
SU
USSR - Soviet Union
Prior art keywords
cooling
bulk material
chill moulds
cavity
working cavity
Prior art date
Application number
SU792799947A
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Russian (ru)
Inventor
Лев Николаевич Дубровин
Иван Семенович Щенев
Original Assignee
Предприятие П/Я Р-6543
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Application filed by Предприятие П/Я Р-6543 filed Critical Предприятие П/Я Р-6543
Priority to SU792799947A priority Critical patent/SU822984A1/en
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Publication of SU822984A1 publication Critical patent/SU822984A1/en

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(54) СПОСОБ ОХЛАЖДЕНИЯ МЕТАЛЛИЧЕСКИХ ФОРМ(54) METHOD FOR COOLING METAL FORMS

воздуха стенке 5, охлаждаемой с помощью, хладагента,air wall 5, cooled with refrigerant,

При вынужденных остановках в работе (например, отсутствие технологического задела, устранение неполадок и т. д.) дл  сохранени  температуры литейной формы в рабочем интервале температур прекращают продувание воздуха через .охлаждаемую у полость. Благодар  этому перемещение сьшучего материала в полости прекраща .етс . В результате коэффициент теплоотдачи уменьшаетс , так как отбор тепла воздухом от частичек сыпучего материала отсутствует, а теплоемкость сыпучего материала велика , систему охлаждени  хладагентс н при необходимости также выключают. Вследствие этого охлаждение резко ЗЕ1медл етс .When forced shutdowns (for example, lack of technological advancement, troubleshooting, etc.), in order to maintain the temperature of the casting mold in the working temperature range, air blowing through the cooled cavity stops. Due to this, the movement of bulk material in the cavity ceases. As a result, the heat transfer coefficient decreases, since there is no heat extraction from the particles of the bulk material by air, and the heat capacity of the bulk material is large, and the cooling system is also not switched off if necessary. As a result, cooling is drastically slow.

Способ позвол ет управл ть процессом охлаждени , улучшить теплробмен и стабилизировать температуру нагрева, а также повысить качество издели , сократить брак и увеличить стойкость рабочего инструмента.The method allows controlling the cooling process, improving the heat flow rate and stabilizing the heating temperature, as well as improving the quality of the product, reducing scrap and increasing the durability of the working tool.

Claims (1)

Формула изобретени  Способ охлаждени  металлических форм, включающий продувку нерабочей полости формы воздухом, заполненной сыпучим материалом)и подачу в полост охлаждени  хладагента, о т л ич а ю щ и и с   тем, что, с целью управлени  процессом охлаждени  и улучшени  теплообмена, сыпучему материалу внутри нерабочей полости сообщают замкнутое кольцевое движение/ направленное в сторону, противоположную подаче хладагента.,The invention of the method of cooling metal molds, which includes blowing the non-working cavity of the form with air filled with bulk material and supplying the refrigerant to the cooling cavity, which means that, in order to control the cooling process and improve heat exchange, the bulk material inside the non-working cavity report a closed ring movement / directed in the direction opposite to the refrigerant flow., 1 Источники информации, прин тые во внимание при экспертизе1 Sources of information taken into account in the examination i. Авторское свидетельство СССР 20 376162, кл. в 22D15/00, 1969. i. USSR author's certificate 20 376162, cl. in 22D15 / 00, 1969.
SU792799947A 1979-07-23 1979-07-23 Method of cooling chill moulds SU822984A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SU792799947A SU822984A1 (en) 1979-07-23 1979-07-23 Method of cooling chill moulds

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SU792799947A SU822984A1 (en) 1979-07-23 1979-07-23 Method of cooling chill moulds

Publications (1)

Publication Number Publication Date
SU822984A1 true SU822984A1 (en) 1981-04-23

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
SU792799947A SU822984A1 (en) 1979-07-23 1979-07-23 Method of cooling chill moulds

Country Status (1)

Country Link
SU (1) SU822984A1 (en)

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