CS196594B1 - Heating body of the continuous electrographic furnace - Google Patents
Heating body of the continuous electrographic furnace Download PDFInfo
- Publication number
- CS196594B1 CS196594B1 CS280676A CS280676A CS196594B1 CS 196594 B1 CS196594 B1 CS 196594B1 CS 280676 A CS280676 A CS 280676A CS 280676 A CS280676 A CS 280676A CS 196594 B1 CS196594 B1 CS 196594B1
- Authority
- CS
- Czechoslovakia
- Prior art keywords
- furnace
- continuous
- carbon
- electrographic
- heater
- Prior art date
Links
- 238000010438 heat treatment Methods 0.000 title claims description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 14
- 229910052799 carbon Inorganic materials 0.000 claims description 11
- 230000003014 reinforcing effect Effects 0.000 claims description 3
- 238000000465 moulding Methods 0.000 description 6
- 229910002804 graphite Inorganic materials 0.000 description 2
- 239000010439 graphite Substances 0.000 description 2
- 238000005087 graphitization Methods 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 239000000571 coke Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000004071 soot Substances 0.000 description 1
Landscapes
- Resistance Heating (AREA)
- Carbon And Carbon Compounds (AREA)
Description
Predmetom vynálezu je vyhrievacie teleso priebežnej elektrografitačnej pece, slúžiacej na elektrografitovanie výliskov, zhotovených z umělého uhlíka.The object of the invention is a heater of a continuous electro-graphitizing furnace for electro-graphitizing of moldings made of artificial carbon.
Doteraz používané druhy elektrografitačných pecí sú v principe Achesonové pece s malými obměnami v konštrukcii. Uhlíkové výlisky sa v nich naukladajú medzi konce dvoch uhlíkových elektrod a prechodom vysokoampérického prúdu sa pri teplote okolo 2500 °C vygrafitujú.The types of electrographic furnaces used so far are in principle Acheson furnaces with small variations in construction. The carbon compacts are deposited between the ends of two carbon electrodes and are graphitized at a temperature of about 2500 ° C by passing the high amperage current.
Nedostakom týchto elektrografitačných pecí je, že v nich prebieha pracovný pochod nepriebežný, trvajúci desiatky hodin, pričom je nemožné s jednotlivými uhlíkovými výliskami v peci robiť nějaké experimenty, týkajúce sa času a teploty grafitovania, pretože sú zasypané horúcim ochranným zásypom.It is a drawback of these electrographitic furnaces that they run a continuous process of tens of hours, and it is impossible to do some experiments with individual carbon moldings in the furnace as to the graphite time and temperature because they are covered with hot protective backfill.
Tieto nedostatky doteraz používaných Achesonových nepriebežných elektrografitačných pecí odstraňuje vyhrievacie teleso priebežnej elektrografitačnej pece podía tohoto vynálezu.These drawbacks of the previously used Acheson continuous electrographitic furnaces are overcome by the heater of the continuous electrographitic furnace according to the present invention.
Jeho podstata spočívá v tom, že je zhotovené z umělého elektrografitovaného uhlíka s nerovnakou hrubkou stien, pričom ho vytvárajú viaceré navzájom priečne aj pozdížne spojené časti a v pozdížnej osi telesa má priebežný otvor kruhového alebo obdížnikového prierezu. Přitom miesta priečneho spojenia jednotlivých častí vyhrievacieho telesa sú vystužené zosilňujúcou objímkou z umělého uhlíka.Its essence consists in that it is made of artificial electro-graphitic carbon with uneven wall thickness, formed by several transversely and longitudinally connected parts and has a circular or rectangular cross-section through the longitudinal axis of the body. At the same time, the cross-connection points of the individual parts of the heating element are reinforced with a reinforcing carbon collar.
Příkladné prevedenie takéhoto vyhrievacieho telesa priebežnej elektrografitačnej pece je znázorněné na pripojenom obrázku. Vyhrievacie teleso 5 je vsadené do muriva pece 2 a obsypané ochranným zásypom 3 z koksu, alebo termických sadzí. Přívod prúdu do pece 1 je urobený na plochú časť vyhrievacieho telesa 5, vyčnievajúcu z muriva mimo priestoru pece. Vyhrievacie teleso 5 přitom pozostáva z viacerých častí s odstupňovanou hrúbkou stien, ktoré sú na spojoch zlepené koksotvorným tmeiom a podoprené zosiíujúcou objímkou.An exemplary embodiment of such a heater body of a continuous electrographic furnace is shown in the attached figure. The heating element 5 is embedded in the masonry of the furnace 2 and is filled with a protective backfill 3 of coke or thermal soot. The power supply to the furnace 1 is provided to the flat part of the heater body 5 projecting from the masonry outside the furnace space. The heater body 5 consists of a plurality of sections with graduated wall thicknesses which are glued to the joints with coke-forming darkness and supported by a reinforcing sleeve.
Funkcia vyhrievacieho telesa 5 priebežnej elektrografitačnej pece je potom nasledovná:The function of the heater body 5 of the continuous electrographic furnace is then as follows:
Do priebežného otvoru 5 b, urobeného v pozdížnej osi yhrievacieho telesa 5, sa z jednej strany vsúvajú uhlíkové výlisky 4 v určitých časových intervaloch. Výlisky prejdú cez celú elektrografitačnú pec a v najhorúcejšej strednej časti sa zúčastnia potřebného grafitačného procesu pri teplote okolo 2500 °C. Vygrafitované uhlíkové výlisky 4 sú vytláčané na druhom konci pece von.The carbon blanks 4 are inserted from one side into the through hole 5b provided in the longitudinal axis of the heater body 5 at certain time intervals. The moldings pass through the entire electrographite furnace and in the hottest middle section take part in the necessary graphitization process at a temperature of about 2500 ° C. The graphite carbon moldings 4 are forced out at the other end of the furnace.
199594199594
Výhody takéhoto vyhrievacieho telesa priebežnej elektrografitačnej pece sú v tom, že umožňuje priebežnú grafitáciu uhlíkových výliskov, pričom s odstupňovanou hrúbkou stien vyhrievacieho telesa sa móže dosiahnut požadovaná rózna grafitačná teplota. Najváčšia výhoda spočívá v tom, že všetky uhlíkové výlisky prechádzajú cez pásmo rovnakej teploty a ich fyzikálně, elektrické aj tepelné vlastnosti sú potom rovnaké.The advantages of such a heater of a continuous electrographitic furnace are that it allows continuous graphitization of the carbon moldings, whereby the desired differentiated graphitizing temperature can be achieved with a graded wall thickness of the heater. The biggest advantage is that all carbon moldings pass through the same temperature band and their physical, electrical and thermal properties are then the same.
Claims (1)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CS280676A CS196594B1 (en) | 1976-04-29 | 1976-04-29 | Heating body of the continuous electrographic furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CS280676A CS196594B1 (en) | 1976-04-29 | 1976-04-29 | Heating body of the continuous electrographic furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CS196594B1 true CS196594B1 (en) | 1980-03-31 |
Family
ID=5366219
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CS280676A CS196594B1 (en) | 1976-04-29 | 1976-04-29 | Heating body of the continuous electrographic furnace |
Country Status (1)
| Country | Link |
|---|---|
| CS (1) | CS196594B1 (en) |
-
1976
- 1976-04-29 CS CS280676A patent/CS196594B1/en unknown
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