Roller hearth type resistance-heated furnace and resistance heater thereof
The utility model provides a roller hearth type resistance-heated furnace and a resistance heater thereof. The resistance heater comprises a housing without a top cover, bottom fireproofing materials arranged on the housing inner bottom, lateral part fireproofing materials arranged on housing inner...
Gespeichert in:
Hauptverfasser: | , , , , , , , |
---|---|
Format: | Patent |
Sprache: | chi ; eng |
Schlagworte: | |
Online-Zugang: | Volltext bestellen |
Tags: |
Tag hinzufügen
Keine Tags, Fügen Sie den ersten Tag hinzu!
|
Zusammenfassung: | The utility model provides a roller hearth type resistance-heated furnace and a resistance heater thereof. The resistance heater comprises a housing without a top cover, bottom fireproofing materials arranged on the housing inner bottom, lateral part fireproofing materials arranged on housing inner lateral parts and at least one resistance tape located in a space enclosed by the bottom fireproofing materials and the lateral part fireproofing materials. The resistance heater comprises fireproof elevating members and a metal cover plate, wherein the fireproof elevating members are arranged on the lateral part fireproofing materials and/or the bottom fireproofing materials and are higher than the upper surfaces of the lateral part fireproofing materials; the metal cover plate is arranged on the fireproof elevating members and possesses an area no less than an area of a housing upper surface; the fireproof elevating members and the metal cover plate are constructed in such a way that the space enclosed by the bot |
---|