SU748366A1 - Method of regulating the temperature of blanks in multizone conveyer furnace - Google Patents
Method of regulating the temperature of blanks in multizone conveyer furnace Download PDFInfo
- Publication number
- SU748366A1 SU748366A1 SU782677796A SU2677796A SU748366A1 SU 748366 A1 SU748366 A1 SU 748366A1 SU 782677796 A SU782677796 A SU 782677796A SU 2677796 A SU2677796 A SU 2677796A SU 748366 A1 SU748366 A1 SU 748366A1
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- SU
- USSR - Soviet Union
- Prior art keywords
- temperature
- furnace
- blanks
- power
- regulating
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- Control Of Heat Treatment Processes (AREA)
- Heat Treatment Of Articles (AREA)
Description
(54) СПОСОБ РЕГУЛИРОВАНИЯ ТЕМПЕРАТУРЫ ЗАГОТОВОК В МНОГОЗОННОЙ ПРОХОДНОЙ ПЕЧИ (54) METHOD FOR REGULATING THE PREPARATION TEMPERATURE IN A MULTI-ZONE PASSAGE FURNACE
II
Изобретение относитс к регулированию и контролю температуры нагрева , в частности, трубных заготовок в проходной индукционной печи. Способ может быть использован дл стабилиза-5 ций WSWepaTypH нагрева заготовок перед рёдуциров анием или калиброванием, что обеспечивает снижение разностенности труб.The invention relates to the regulation and control of the heating temperature, in particular of tubular blanks in a pass-through induction furnace. The method can be used to stabilize WSWepaTypH for heating the workpieces prior to their reduction or calibration, which reduces the thickness of the wall thickness of the pipes.
Известен способ, состо щий в том, tO что дл получени требуемого распределени температуры нагрева по длине заготовки при прохождении концевых участков заготовок с определенной, заранее выбранной дл заданной партии15 труб длиной через индукционную печь скачкообразно увеличивают мощность этой печи на определенную, заранее выбранную дл данной партии труб величину 1 . .20The known method is that tO to obtain the desired distribution of heating temperature along the length of the workpiece when passing the end sections of the workpieces with a certain length pre-selected for a given batch of 15 pipes through an induction furnace increases the power of this furnace by a certain amount pipe size 1. .20
Однако реализаци этого способа дл нагрева перед редуцированием трубньж заготовок,: полученных после прокатки на оправке, вы вл ет недоетаток, суть которого заключаетс в том, что 25 длина нагреваемого участка строго определена, а длины участков заготовки с разными температурами резко колеблютс даже в пределах одной партии заготовок, что приводит к перегреву ЗЦHowever, the implementation of this method for heating before reducing pipe workpieces: obtained after rolling on a mandrel reveals a weakness, the essence of which is that 25 the length of the heated section is strictly defined, and the lengths of the sections of the workpiece with different temperatures fluctuate even within one batch of blanks, which leads to overheating SZ
или недогреву отдельных участков заготовки .or underheating of individual parts of the workpiece.
Наиболее, близким по технической сущности к п эедложенному вл етс способ регулировани температуры в многозонной проходйой печй,вт Л1ЬЧающий измерение температуры в печи и регулирование температуры путем скачкообразного изменени мощности индукционной нагревательной печи, определени средней температуры заготовки по участкам при вхождении каждого участка в зону нагрева, сравнени средней температуры заготовки по участкам с згщанной и изменени при наличии разности скачкообразно мощности индукционной печи на величину пропорционально этой разности 21 .The closest in technical essence to the foregoing is a method of temperature control in a multi-zone pass-through furnace, which is a measure of the temperature in the furnace and temperature control by abruptly changing the power of the induction heating furnace, determining the average temperature of the workpiece by sections when each section enters the heating zone, comparing the average temperature of the workpiece in areas with zgshannoy and changes in the presence of a difference in stepwise power of an induction furnace by an amount proportional to rationally this difference is 21.
Однако при применении этого способа дл управлени нагревом трубных заготовок не учитываетс количество металла, поступающего на нагрев, хик.ический состав, скорость прокатки и т.д., которые колеблютс в определенных пределах от заготовки к заготонке, что приводит к недогреву или перегреву отдельных участков заготовок и увепичению пол разброса по толщине стенки готовых труб.However, when using this method to control the heating of billets, the amount of metal entering the heating, the chemical composition, the rolling speed, etc., which vary within certain limits from the workpiece to the poultice, which leads to underheating or overheating of individual sections, is not taken into account. blanks and increasing the variation in the thickness of the wall of the finished pipe.
Claims (1)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU782677796A SU748366A1 (en) | 1978-10-24 | 1978-10-24 | Method of regulating the temperature of blanks in multizone conveyer furnace |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU782677796A SU748366A1 (en) | 1978-10-24 | 1978-10-24 | Method of regulating the temperature of blanks in multizone conveyer furnace |
Publications (1)
Publication Number | Publication Date |
---|---|
SU748366A1 true SU748366A1 (en) | 1980-07-15 |
Family
ID=20790820
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SU782677796A SU748366A1 (en) | 1978-10-24 | 1978-10-24 | Method of regulating the temperature of blanks in multizone conveyer furnace |
Country Status (1)
Country | Link |
---|---|
SU (1) | SU748366A1 (en) |
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1978
- 1978-10-24 SU SU782677796A patent/SU748366A1/en active
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