Solid oxide fuel cell (SOFC) glue discharging and sintering integrated furnace

Abstract

The invention relates to the technical field of sintering furnaces, and discloses a solid oxide fuel cell (SOFC) glue discharging and sintering integrated furnace which comprises a furnace body with a double-layer mechanism, and a group of heating mechanisms are uniformly distributed on three side surfaces and the bottom in the furnace body and the inner wall of a sealing door; the five groups of heating mechanisms are respectively independent control mechanisms, each group of heating mechanisms comprises a plurality of heating mechanisms, each heating mechanism comprises an alundum tube and a resistance wire, the alundum tubes are embedded in the inner sides of the furnace body and the sealing door, and the resistance wires are spirally and detachably mounted on the inner sides of the alundum tubes. An air preheating system in the form of an air preheating bag realizes a heat convection effect at low temperature and ensures the uniformity of a temperature field at low temperature; according to the double-system thermal field control mode, low temperature is subjected to hot air circulation through a preheating system, high temperature is subjected to five-face heating radiation in a hearth, and it is ensured that good uniformity is obtained in the two stages of low-temperature glue discharging and high-temperature sintering.

Description

technical field [0001] The invention relates to the field of sintering furnaces, in particular to a SOFC solid-state fuel cell debinding and sintering integrated furnace. Background technique [0002] The sintering furnace refers to the special equipment that makes the powder compact obtain the required physical, mechanical properties and microstructure through sintering; the sintering furnace is used to dry the slurry on the silicon wafer, remove the organic components in the slurry, complete the aluminum back field and Gate line sintering. [0003] In the existing sintering furnace, the internal resistance wires are mostly wound on the outside of the corundum tube, which makes it inconvenient to replace when the resistance wires are damaged after the installation is completed. High and high, and most of the existing sintering furnaces only use one set of heating system, the performance of the resistance wire in low temperature heating is not ideal, so the existing sinteri...

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Problems solved by technology

[0003] The internal resistance wires of existing sintering furnaces are mostly wound on the outside of the corundum tube, resulting in inconvenient replacement when the resistance wires are damaged after installation. At the same time, most of the heating resistance wires in the furnace are controlled synchronously, resulting in excessive temperature in local directions. High-grade, and most of the existing sintering furnaces only use one set of heating system, the performance of resistance wire is not ideal when heating at low temperature, so the existing sintering furnace needs to be improved

[0004] In view of the above-mentioned related technologies, the inventor believes that there is a defect that the existing sintering furnace heating method is not ideal, and it is not convenient for later maintenance

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