CN103776320A - Steel pipe leading-in blasting method for unblocking ore-pass - Google Patents
Steel pipe leading-in blasting method for unblocking ore-pass Download PDFInfo
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- CN103776320A CN103776320A CN201410072691.6A CN201410072691A CN103776320A CN 103776320 A CN103776320 A CN 103776320A CN 201410072691 A CN201410072691 A CN 201410072691A CN 103776320 A CN103776320 A CN 103776320A
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- steel pipe
- drop shaft
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- dredging
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Abstract
A steel pipe leading-in blasting method for unblocking an ore-pass is characterized in that a steel pricker tip is loosely connected with a steel pipe, the tail end of the steel pricker tip is connected with a cord, the cord extends out of the steel pipe by passing through the hollow inside of the steel pipe and automatically breaks away from the steel pipe after guiding the steel pipe to penetrate the blocking position of the ore-pass through the steel pricker tip, the steel pricker tip pulls the cord to move downwards to a loading chamber on the lower portion of the ore-pass, a user can use the corda to pull explosives to the blocking position for explosion, the internal balance of a balanced arch caused by interlocking and extrusion of large blocks on a high-order blocking portion of the ore-pass can be broken, ore and rock at the blocking position automatically fall off under the action of the destructive effects of shock waves, and the aim of unblocking the ore-pass can be achieved.
Description
Technical field
The present invention relates to a kind of drop shaft and stop up dredging method, particularly a kind of high-order steel pipe stopping up of light section drop shaft that is mainly used in imports blasting procedure.
Background technology
At present, drop shaft stops up dredging method has: dobie pole blasting procedure, pinking facture, mining rocket launcher blasting procedure, high pressure water flushing striking, douche, under dig method, bore blowing-up method, hydrogen balloon blasting procedure etc.But for the high-order bulk interlock extruding of light section drop shaft balanced arch blockage problem, adopt dobie pole blasting procedure, pinking facture, high pressure water flushing striking, douche, mining rocket launcher blasting procedure and hydrogen balloon blasting procedure to process, be difficult to gather effect; And adopt bore blowing-up method and under the method for digging process, cost is high, difficulty is large.
Summary of the invention
For effectively solving the high-order blockage problem of light section drop shaft, the invention provides a kind of steel pipe importing blasting procedure that stops up dredging for drop shaft, it can destroy the internal balance of the high-order bulk interlock extruding of drop shaft balanced arch by detonation wave, high-order obstruction place of drop shaft ore deposit rock is caving automatically, dredging drop shaft.
For solving the problems of the technologies described above, the technical solution used in the present invention is: a kind of steel pipe importing blasting procedure that stops up dredging for drop shaft, it utilizes a steel pricker point pine to be connected in steel pipe, steel pricker fine stern end connecting rope, and this rope sky in steel pipe stretches out outside steel pipe, and after passing through drop shaft obstruction place by steel pricker point guiding steel pipe automatic trip from steel pipe, steel pricker point drag rope comes downwards to drop shaft bottom loading chamber, with rope, explosive being pulled to block part ignites, destroy the internal balance of the high-order block part bulk of drop shaft interlock extruding balanced arch, dredge blockage.
One preferred concrete steps of such scheme are: A, to select some length be the steel pipe of 1.5m～2m; B, insert a steel pricker point at the front end of a steel pipe, a rope grommet of afterbody welding of this steel pricker point, one end of one rope is tied up on the rope grommet of steel pricker poined afterbody, the other end of rope is through empty in steel pipe, and the end of last rope stretches out in steel pipe tail end; C, steel pipe tail end pounds with a hammer, steel pipe is impacted and entered in the ore deposit barren rock of drop shaft obstruction place, in the time that steel pipe tail end exposes 25～35cm, second steel pipe of continued access, and rope is passed in second steel pipe empty, then with hammer, second steel pipe also impacted in the ore deposit barren rock that enters drop shaft obstruction place, the rest may be inferred; D, when steel pricker point is during through drop shaft obstruction place, steel pricker point and steel pipe automatic trip from, drag rope falls to the loading chamber of drop shaft bottom, fasten after the blasting charge with rope, pull the tail end of rope, the blasting charge is hung up, be close to the obstruction face ignition charge of drop shaft obstruction place, can break the internal balance of bulk interlock extruding balanced arch, ore deposit barren rock drops automatically, realizes drop shaft dredging.
One of such scheme is preferably, and described steel pipe adopts DN65 shape steel tube, and the external diameter of this model steel pipe is 76 mm, thickness of pipe wall 4 mm.
One of such scheme is preferably, and the most advanced and sophisticated direction of described steel pricker point and steel pipe is for stopping up drop shaft down direction.
One of such scheme is preferably, when described steel pipe tail end exposes 25～35cm, and second steel pipe of continued access.
One of such scheme is preferably, and between described steel pipe, connects by coupling.
One of such scheme is preferably, and described steel pipe tail end arranges one and wears bridle port.Generally speaking the position that, lacing hole is set in this steel pipe tail end is for from steel pipe tail end mouth 50mm place.
One of such scheme is preferably, and described rope is nylon rope.
Compared with prior art, the beneficial effect that the present invention has is: the present invention is by the steel pipe and the rope that run through drop shaft block part, explosive is promoted to obstruction place explosion, detonation wave destroys the internal balance of the high-order bulk interlock extruding of drop shaft balanced arch, high-order obstruction place of drop shaft ore deposit rock is caving automatically, dredging drop shaft, thus can effectively solve the high-order bulk interlock extruding of light section drop shaft balanced arch blockage problem, implementation cost is low, easy and simple to handle.
Accompanying drawing explanation
Below in conjunction with accompanying drawing and embodiment, the invention will be further described.
Fig. 1 is used apparatus structure schematic diagram by the present invention.
Fig. 2 is steel pricker point structural representation of the present invention.
Fig. 3 is the top view of Fig. 2.
Fig. 4 is that the present invention processes main chute highest order obstruction conceptual scheme.
Fig. 5 is that the present invention processes main chute and conceptual scheme is stopped up in branch's drop shaft junction.
In figure: 1, steel pricker point; 2, steel pipe; 3, coupling; 4, rope; 5, rope grommet; 6, main chute; 7, drop shaft obstruction place; 8, branch's drop shaft.
The specific embodiment
Embodiment one: steel pipe of the present invention is imported to blasting procedure and process main chute highest order obstruction scheme (seeing Fig. 1-Fig. 4).First selecting some length is the DN65 shape steel tube 2 of 1.5m～2m; Then the afterbody of steel pricker point 1 is inserted in the front end of a steel pipe 2 empty, a rope grommet 5 of afterbody welding of this steel pricker point 1, one end of one rope 4 is tied up on the rope grommet 5 of steel pricker poined afterbody, the other end of rope 4 is through the interior sky of steel pipe 2, and the end of last rope 4 stretches out in steel pipe tail end; The front end direction of adjusting steel pricker point 1 and steel pipe 2 is main chute down direction, raps the afterbody of steel pipe 2 with weight, and steel pricker point 1 pierces under the percussion of weight together with steel pipe 2 in the barren rock of high-order obstruction place of main chute ore deposit; In the time that steel pipe 2 is exposed 25～35cm by tension weight churning to tail end, stopping weight knocking, and connect second steel pipe with coupling 3, and rope 4 is passed in second steel pipe empty, then the steel pipe tail end having lengthened with tension weight churning, steel pricker point 1 and steel pipe are further impacted and entered in the barren rock of obstruction place ore deposit, and the rest may be inferred; Until steel pricker point 1 is during through drop shaft obstruction place 7, steel pricker point 1 and steel pipe 2 automatic trips from, steel pricker point 1 drag rope 4 falls down and falls into the loading chamber of main chute 6 bottoms, will on explosive, carry ignite to the obstruction face of high-order obstruction place of drop shaft with rope 4, the internal balance of obstruction place bulk interlock extruding balanced arch destroys, ore deposit rock drops automatically, drop shaft dredging.
Embodiment two: steel pipe of the present invention imports blasting procedure and processes main chute and branch's drop shaft junction obstruction scheme (seeing Fig. 1-3 and Fig. 5).First selecting some length is the DN65 shape steel tube 2 of 1.5m～2m; Then the afterbody of steel pricker point 1 is inserted in the front end of a steel pipe 2 empty, a rope grommet 5 of afterbody welding of this steel pricker point 1, one end of one rope 4 is tied up on the rope grommet 5 of steel pricker poined afterbody, the other end of rope 4 is through the interior sky of steel pipe 2, and the end of last rope 4 stretches out in steel pipe tail end; The front end direction of adjusting steel pricker point 1 and steel pipe 2 is branch's drop shaft down direction, raps the afterbody of steel pipe 2 with weight, and steel pricker point 1 pierces under the percussion of weight together with steel pipe 2 in the barren rock of branch's drop shaft obstruction place ore deposit; In the time that steel pipe 2 is exposed 25～35cm by tension weight churning to tail end, stop weight and knock, and connect second steel pipe with coupling 3, the steel pipe tail end then having lengthened with tension weight churning, steel pricker point 1 and steel pipe 1 are further impacted and entered in the barren rock of obstruction place ore deposit, and the rest may be inferred; Until steel pricker point is during through main chute and branch's drop shaft junction block part, steel pricker point 1 and steel pipe 2 automatic trips from, steel pricker point 1 drag rope 4 falls down and falls into drop shaft bottom loading chamber, will on explosive, carry ignite to main chute and branch's drop shaft junction block part with rope 4, the internal balance of obstruction place bulk interlock extruding balanced arch destroys, ore deposit rock drops automatically, drop shaft dredging.
Claims (10)
1.
oneplant the steel pipe importing blasting procedure that stops up dredging for drop shaft, it is characterized in that, utilize a steel pricker point pine to be connected in steel pipe, steel pricker fine stern end connecting rope, and this rope sky in steel pipe stretches out outside steel pipe, and after passing through drop shaft obstruction place by steel pricker point guiding steel pipe automatic trip from steel pipe, steel pricker point drag rope comes downwards to drop shaft bottom loading chamber, with rope, explosive is pulled to block part and ignites, destroy the internal balance of the high-order block part bulk of drop shaft interlock extruding balanced arch, dredge blockage.
2. the steel pipe that stops up dredging for drop shaft according to claim 1 imports blasting procedure, it is characterized in that, specifically comprises that step is: A, to select some length be the steel pipe of 1.5m～2m; B, insert a steel pricker point at the front end of a steel pipe, a rope grommet of afterbody welding of this steel pricker point, one end of one rope is tied up on the rope grommet of steel pricker poined afterbody, the other end of rope is through empty in steel pipe, and the end of last rope stretches out in steel pipe tail end; C, steel pipe tail end pounds with a hammer, steel pipe is impacted and entered in the ore deposit barren rock of drop shaft obstruction place, in the time that steel pipe tail end exposes 25～35cm, second steel pipe of continued access, and rope is passed in second steel pipe empty, then with hammer, second steel pipe also impacted in the ore deposit barren rock that enters drop shaft obstruction place, the rest may be inferred; D, when steel pricker point is during through drop shaft obstruction place, steel pricker point and steel pipe automatic trip from, drag rope falls to the loading chamber of drop shaft bottom, fasten after the blasting charge with rope, pull the tail end of rope, the blasting charge is hung up, to drop shaft obstruction place ignition charge, can break the internal balance of bulk interlock extruding balanced arch, ore deposit barren rock drops automatically, realizes drop shaft dredging.
3. the steel pipe importing blasting procedure that stops up dredging for drop shaft according to claim 2, is characterized in that, described steel pipe adopts DN65 shape steel tube, and the external diameter of this model steel pipe is 76 mm, thickness of pipe wall 4 mm.
4. the steel pipe importing blasting procedure that stops up dredging for drop shaft according to claim 2, is characterized in that, the front end direction of described steel pricker point and steel pipe is for stopping up drop shaft down direction.
5. the steel pipe importing blasting procedure that stops up dredging for drop shaft according to claim 2, is characterized in that, when described steel pipe tail end exposes 25～35cm, and second steel pipe of continued access.
6. the steel pipe importing blasting procedure that stops up dredging for drop shaft according to claim 2, is characterized in that, between described steel pipe, connects by coupling.
7. the steel pipe importing blasting procedure that stops up dredging for drop shaft according to claim 2, is characterized in that, described steel pipe tail end arranges a lacing hole.
8. the steel pipe importing blasting procedure that stops up dredging for drop shaft according to claim 7, is characterized in that, the position that lacing hole is set in this steel pipe tail end is from steel pipe tail end mouth 50mm place.
9. the steel pipe importing blasting procedure that stops up dredging for drop shaft according to claim 2, is characterized in that, described rope draws explosive to the obstruction face ignition charge of being close to high-order obstruction place of drop shaft.
10. the steel pipe importing blasting procedure that stops up dredging for drop shaft according to claim 2, is characterized in that, described rope is nylon rope.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410072691.6A CN103776320B (en) | 2014-03-03 | 2014-03-03 | Steel pipe for Pass blocks dredging imports blasting procedure |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410072691.6A CN103776320B (en) | 2014-03-03 | 2014-03-03 | Steel pipe for Pass blocks dredging imports blasting procedure |
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| CN103776320A true CN103776320A (en) | 2014-05-07 |
| CN103776320B CN103776320B (en) | 2015-10-28 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106225610A (en) * | 2016-08-31 | 2016-12-14 | 长江重庆航道工程局 | A kind of deep water bores quick-fried taker |
| CN111912308A (en) * | 2020-08-10 | 2020-11-10 | 昆明理工大学 | Blast hole blockage dredging device |
| CN113865452A (en) * | 2021-09-13 | 2021-12-31 | 紫金矿业集团股份有限公司 | Controllable, safe and efficient dredging method for high-position clamping bucket of draw shaft |
| CN114295018A (en) * | 2022-02-17 | 2022-04-08 | 中南大学 | Blocking blasting method for high-depth draw shaft |
| CN111912308B (en) * | 2020-08-10 | 2024-06-04 | 昆明理工大学 | Blast hole blocking dredging device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102840802A (en) * | 2012-09-19 | 2012-12-26 | 鞍钢集团矿业公司 | Ore pass choking-up method for deep hole blasting treatment mining area |
| CN102927864A (en) * | 2012-11-08 | 2013-02-13 | 攀钢集团矿业有限公司 | Device and method for performing blasting processing for ore-pass high position blockage by balloon suspended explosive powders |
| CN203203486U (en) * | 2012-12-13 | 2013-09-18 | 玉溪大红山矿业有限公司 | Blockage removal device for effectively removing ore-pass blockage |
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2014
- 2014-03-03 CN CN201410072691.6A patent/CN103776320B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102840802A (en) * | 2012-09-19 | 2012-12-26 | 鞍钢集团矿业公司 | Ore pass choking-up method for deep hole blasting treatment mining area |
| CN102927864A (en) * | 2012-11-08 | 2013-02-13 | 攀钢集团矿业有限公司 | Device and method for performing blasting processing for ore-pass high position blockage by balloon suspended explosive powders |
| CN203203486U (en) * | 2012-12-13 | 2013-09-18 | 玉溪大红山矿业有限公司 | Blockage removal device for effectively removing ore-pass blockage |
Non-Patent Citations (1)
| Title |
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| 周勇等: ""溜矿井堵塞物的爆破处理"，", 《矿业研究与开发》, vol. 18, no. 3, 31 December 1998 (1998-12-31) * |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106225610A (en) * | 2016-08-31 | 2016-12-14 | 长江重庆航道工程局 | A kind of deep water bores quick-fried taker |
| CN106225610B (en) * | 2016-08-31 | 2017-11-17 | 长江重庆航道工程局 | A kind of deep water bores quick-fried taker |
| CN111912308A (en) * | 2020-08-10 | 2020-11-10 | 昆明理工大学 | Blast hole blockage dredging device |
| CN111912308B (en) * | 2020-08-10 | 2024-06-04 | 昆明理工大学 | Blast hole blocking dredging device |
| CN113865452A (en) * | 2021-09-13 | 2021-12-31 | 紫金矿业集团股份有限公司 | Controllable, safe and efficient dredging method for high-position clamping bucket of draw shaft |
| CN114295018A (en) * | 2022-02-17 | 2022-04-08 | 中南大学 | Blocking blasting method for high-depth draw shaft |
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| CN103776320B (en) | 2015-10-28 |
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