JPS61133244U - - Google Patents

Info

Publication number

JPS61133244U

JPS61133244U JP1553885U JP1553885U JPS61133244U JP S61133244 U JPS61133244 U JP S61133244U JP 1553885 U JP1553885 U JP 1553885U JP 1553885 U JP1553885 U JP 1553885U JP S61133244 U JPS61133244 U JP S61133244U

Authority

JP

Japan

Prior art keywords

hopper

sand

heating

heat exchange

pipes

Prior art date

1985-02-06

Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)

Pending

Links

• Espacenet
• Global Dossier
• Discuss

• 238000010438 heat treatment Methods 0.000 claims description 9
• 239000004576 sand Substances 0.000 claims description 9
• 239000012530 fluid Substances 0.000 claims 3
• 238000010586 diagram Methods 0.000 description 2
• 238000010792 warming Methods 0.000 description 2
• 238000010276 construction Methods 0.000 description 1
• 238000004519 manufacturing process Methods 0.000 description 1