JPS51122602A - Device for restricting dusts at long wall coal mining face - Google Patents
Device for restricting dusts at long wall coal mining faceInfo
- Publication number
- JPS51122602A JPS51122602A JP50048448A JP4844875A JPS51122602A JP S51122602 A JPS51122602 A JP S51122602A JP 50048448 A JP50048448 A JP 50048448A JP 4844875 A JP4844875 A JP 4844875A JP S51122602 A JPS51122602 A JP S51122602A
- Authority
- JP
- Japan
- Prior art keywords
- dusts
- restricting
- coal mining
- mining face
- long wall
- 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.)
- Granted
Links
Landscapes
- Drilling And Exploitation, And Mining Machines And Methods (AREA)
- Lining And Supports For Tunnels (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP50048448A JPS51122602A (en) | 1975-04-21 | 1975-04-21 | Device for restricting dusts at long wall coal mining face |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP50048448A JPS51122602A (en) | 1975-04-21 | 1975-04-21 | Device for restricting dusts at long wall coal mining face |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS51122602A true JPS51122602A (en) | 1976-10-26 |
JPS5346166B2 JPS5346166B2 (en) | 1978-12-12 |
Family
ID=12803617
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP50048448A Granted JPS51122602A (en) | 1975-04-21 | 1975-04-21 | Device for restricting dusts at long wall coal mining face |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS51122602A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2021227238A1 (en) * | 2020-05-28 | 2021-11-18 | 安徽理工大学 | Gas-liquid spraying and dust suppression system for fully mechanized mining face |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5528654A (en) * | 1978-08-22 | 1980-02-29 | Fujitsu Ltd | Am demodulation circuit |
JPS5533376A (en) * | 1978-08-30 | 1980-03-08 | Fujitsu Ltd | Frequency discriminator circuit |
JPS6333471U (en) * | 1987-07-23 | 1988-03-03 | ||
CN104100264A (en) * | 2014-07-31 | 2014-10-15 | 哈尔滨通用液压机械制造有限公司 | Drum shearer with protecting function for long-wall mining |
-
1975
- 1975-04-21 JP JP50048448A patent/JPS51122602A/en active Granted
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2021227238A1 (en) * | 2020-05-28 | 2021-11-18 | 安徽理工大学 | Gas-liquid spraying and dust suppression system for fully mechanized mining face |
US11873719B2 (en) | 2020-05-28 | 2024-01-16 | Anhui University of Science and Technology | Gas-liquid spray dust settlement system for fully mechanized mining face |
Also Published As
Publication number | Publication date |
---|---|
JPS5346166B2 (en) | 1978-12-12 |
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