GB667306A - Improvements in drill dust removing devices for use at mining, quarrying and at similar work - Google Patents
Improvements in drill dust removing devices for use at mining, quarrying and at similar workInfo
- Publication number
- GB667306A GB667306A GB28303/49A GB2830349A GB667306A GB 667306 A GB667306 A GB 667306A GB 28303/49 A GB28303/49 A GB 28303/49A GB 2830349 A GB2830349 A GB 2830349A GB 667306 A GB667306 A GB 667306A
- Authority
- GB
- United Kingdom
- Prior art keywords
- fitted
- suction
- ejector
- drill
- filter
- 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.)
- Expired
Links
- 239000000428 dust Substances 0.000 title abstract 3
- 238000005065 mining Methods 0.000 title 1
- 238000005553 drilling Methods 0.000 abstract 1
- 238000007689 inspection Methods 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
- E21B21/06—Arrangements for treating drilling fluids outside the borehole
- E21B21/07—Arrangements for treating drilling fluids outside the borehole for treating dust-laden gaseous fluids
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Earth Drilling (AREA)
Abstract
667,306. Percussive drills. HEMSCHEIDT, H. Nov. 4, 1949 [March 19, 1949; Aug. 27, 1949], Nos. 28303/49 and 28304/49. Class 124. [Also in Group XXVIII] In a device for removing dust from a drill hole by suction, the dust is removed through a hollow drill, the suction device preferably an ejector, is fitted behind a filter attached to a collecting box, and a dry filter is used. As shown, a drill having a hollow shank 2 has apertures in the drilling crown, which apertures may widen from the cutting edge towards the hollow shank, and is fitted into a suction head 7 rotatable between the tool 5 and a collar 6 on the shank. A suction pipe 9 from the head 7 is led, preferably tangentially, into a collecting container 16 on top of which is detachably connected a casing 18 containing three spaced concentric filter bags 19 each of which is fitted over a wire frame 20. In the space enclosed by the innermost filter bag an ejector 23, having a nozzle 24 supplied with compressed air through a pipe 25, is fitted. A single collecting unit may be mounted on skids, Fig. 15 (not shown), or two or more may be fitted on a tram so that emptying may be performed above ground, Figs. 13 and 14 (not shown). The Specification as open to inspection under Sect. 91 includes also an ejector for use without a collector and which may be attached to a long length of tubing and to which water may be fed. This subject-matter does not appear in the Specification as accepted.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE667306X | 1949-03-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB667306A true GB667306A (en) | 1952-02-27 |
Family
ID=6589876
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB28303/49A Expired GB667306A (en) | 1949-03-19 | 1949-11-04 | Improvements in drill dust removing devices for use at mining, quarrying and at similar work |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB667306A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103161415A (en) * | 2012-11-16 | 2013-06-19 | 河南理工大学 | Negative pressure drilling system |
| CN103225484A (en) * | 2013-04-15 | 2013-07-31 | 河南理工大学 | Gas content spot sampling method and device |
-
1949
- 1949-11-04 GB GB28303/49A patent/GB667306A/en not_active Expired
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103161415A (en) * | 2012-11-16 | 2013-06-19 | 河南理工大学 | Negative pressure drilling system |
| CN103161415B (en) * | 2012-11-16 | 2016-02-10 | 河南理工大学 | Negative pressure drilling system |
| CN103225484A (en) * | 2013-04-15 | 2013-07-31 | 河南理工大学 | Gas content spot sampling method and device |
| CN103225484B (en) * | 2013-04-15 | 2016-09-14 | 河南理工大学 | Gas bearing capacity spot sampling method and apparatus |
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