JPH049631U - - Google Patents

Info

Publication number

JPH049631U

JPH049631U JP4855190U JP4855190U JPH049631U JP H049631 U JPH049631 U JP H049631U JP 4855190 U JP4855190 U JP 4855190U JP 4855190 U JP4855190 U JP 4855190U JP H049631 U JPH049631 U JP H049631U

Authority

JP

Japan

Prior art keywords

nitric acid

drain

heating furnace

center

water

Prior art date

1990-05-11

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
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• 238000005554 pickling Methods 0.000 claims description 4
• XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
• GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims description 3
• 238000010438 heat treatment Methods 0.000 claims description 3
• 229910017604 nitric acid Inorganic materials 0.000 claims description 3
• 239000010960 cold rolled steel Substances 0.000 claims description 2
• 239000003517 fume Substances 0.000 claims description 2
• 239000007789 gas Substances 0.000 claims 2
• 239000010935 stainless steel Substances 0.000 claims 1
• 229910001220 stainless steel Inorganic materials 0.000 claims 1
• QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
• 229910021529 ammonia Inorganic materials 0.000 description 1
• 239000003054 catalyst Substances 0.000 description 1
• 238000002485 combustion reaction Methods 0.000 description 1
• 238000010586 diagram Methods 0.000 description 1
• 238000010790 dilution Methods 0.000 description 1
• 239000012895 dilution Substances 0.000 description 1
• 230000000630 rising effect Effects 0.000 description 1