DE80677C - - Google Patents

Info

Publication number

DE80677C

DE80677C DENDAT80677D DE80677DA DE80677C DE 80677 C DE80677 C DE 80677C DE NDAT80677 D DENDAT80677 D DE NDAT80677D DE 80677D A DE80677D A DE 80677DA DE 80677 C DE80677 C DE 80677C

Authority

DE

Germany

Prior art keywords

air

wall

layer

mines

propagation

Prior art date

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.)

Active

Links

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• 238000004880 explosion Methods 0.000 claims description 4
• 238000000034 method Methods 0.000 claims description 3
• 239000000126 substance Substances 0.000 claims description 2
• 239000007787 solid Substances 0.000 claims 1
• UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 2
• 239000002817 coal dust Substances 0.000 description 2
• 230000009970 fire resistant effect Effects 0.000 description 2
• 230000009931 harmful effect Effects 0.000 description 2
• 239000000463 material Substances 0.000 description 2
• 238000005065 mining Methods 0.000 description 2
• 230000015572 biosynthetic process Effects 0.000 description 1
• 238000007664 blowing Methods 0.000 description 1
• KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 description 1
• 239000004327 boric acid Substances 0.000 description 1
• 239000003245 coal Substances 0.000 description 1
• 238000010276 construction Methods 0.000 description 1
• 239000000428 dust Substances 0.000 description 1
• 210000000056 organ Anatomy 0.000 description 1
• 235000017557 sodium bicarbonate Nutrition 0.000 description 1