CN111735355B - Quick dust removal structure in tunnel drilling and blasting engineering - Google Patents
Quick dust removal structure in tunnel drilling and blasting engineering Download PDFInfo
- Publication number
- CN111735355B CN111735355B CN202010448657.XA CN202010448657A CN111735355B CN 111735355 B CN111735355 B CN 111735355B CN 202010448657 A CN202010448657 A CN 202010448657A CN 111735355 B CN111735355 B CN 111735355B
- Authority
- CN
- China
- Prior art keywords
- tunnel
- water bag
- dust removal
- removal structure
- elastic block
- 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 - Fee Related
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- 239000000428 dust Substances 0.000 title claims abstract description 32
- 238000005422 blasting Methods 0.000 title claims abstract description 27
- 238000005553 drilling Methods 0.000 title claims abstract description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 86
- 239000002360 explosive Substances 0.000 claims abstract description 8
- 239000007788 liquid Substances 0.000 claims description 13
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 239000004519 grease Substances 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 239000002390 adhesive tape Substances 0.000 claims description 3
- 239000000853 adhesive Substances 0.000 claims description 2
- 230000001070 adhesive effect Effects 0.000 claims description 2
- 150000003839 salts Chemical class 0.000 claims description 2
- 230000037431 insertion Effects 0.000 claims 1
- 238000003780 insertion Methods 0.000 claims 1
- 239000004575 stone Substances 0.000 abstract description 7
- 230000003111 delayed effect Effects 0.000 abstract 1
- 239000000779 smoke Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000004880 explosion Methods 0.000 description 3
- 238000005507 spraying Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 238000005086 pumping Methods 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- UFTFJSFQGQCHQW-UHFFFAOYSA-N triformin Chemical compound O=COCC(OC=O)COC=O UFTFJSFQGQCHQW-UHFFFAOYSA-N 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42D—BLASTING
- F42D1/00—Blasting methods or apparatus, e.g. loading or tamping
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D47/00—Separating dispersed particles from gases, air or vapours by liquid as separating agent
- B01D47/06—Spray cleaning
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42D—BLASTING
- F42D5/00—Safety arrangements
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
- Earth Drilling (AREA)
Abstract
The invention discloses a rapid dust removal structure in tunnel drilling and blasting engineering, which comprises a water drum A blocked at the outer end of an explosive jack, wherein an elastic block is arranged in the center of the water drum A, a flat large water drum B is attached to the side wall of a tunnel, a strip-shaped tearing tape is arranged on the large water drum B, two ends of a pull rope are respectively connected with the elastic block and a pull head of the tearing tape, the elastic block is outwards burst after the explosive explodes, the elastic block sequentially drives the pull rope and the pull head, and the pull head tears the tearing tape towards the outer end. The water bag A in the rapid dust removal structure can splash water to the stone blocks during blasting to prevent dust, but the subsequently sprayed stone block water bag A cannot be involved, the pull rope is pulled through the outward popping force of the elastic block, the pull head is further made to pull the tearing strip of the water bag B, so that the water can be sprayed downwards, the tearing strip is torn and pulled to be delayed through the popping action of the elastic block at the moment of blasting, the subsequently sprayed stone blocks can be wetted, and the step of preventing dust is achieved.
Description
Technical Field
The invention relates to a rapid dust removal structure in tunnel drilling and blasting engineering.
Background
Can produce a large amount of smoke and dust in the tunnel blasting, make the operation personnel can't get into the tunnel clearance rubble for a long time, according to statistics about generally needing 2 hours just can make the smoke and dust subside to can visual degree, consequently greatly influenced the engineering progress.
The traditional mode generally comprises a water spraying method and a pipeline dust removing method, but the water spraying method cannot spray water at the first time during blasting to prevent smoke dust from generating, and water spraying equipment is required to enter a site after blasting, so that the best dust removing time is lost. And the pipeline pumping method has slow effect and limited help for the project progress.
Disclosure of Invention
The invention aims to provide a rapid dust removal structure in a tunnel drilling and blasting project, which can splash water at the moment of explosion and stone ejection after explosion to perform dust suppression treatment.
Therefore, the rapid dust removal structure in the tunnel drilling and blasting engineering comprises a water drum A (2) sealed at the outer end of a jack of an explosive (1), liquid is stored in the water drum A (2), an elastic block (3) is arranged in the center of the water drum A (2), a large flat water drum B (4) is attached to the side wall of a tunnel, liquid is stored in the large water drum B (4), a strip-shaped tearing tape (5) is arranged on the large water drum B (4), two ends of a pull rope (6) are respectively connected with the elastic block (3) and a pull head (7) of the tearing tape (5), the explosive (1) is exploded outwards to break out the elastic block (3), the elastic block (3) sequentially drives the pull rope (6) and the pull head (7), and the pull head (7) tears the tearing tape (5) outwards.
Furthermore, the back of the big water bag B (4) is provided with an adhesive tape, and the big water bag B (4) is fixed on the side wall of the tunnel in an adhesive mode.
Furthermore, the big water drum B (4) is provided with a through hole (8), and the screw rod (9) penetrates through the through hole (8) and is fixed on the side wall of the tunnel.
Further, the water bag A (2) extends to cover the whole blast surface (10).
Furthermore, a track (11) is erected on the ground of the tunnel, a support frame matched with the tunnel in shape is arranged in the tunnel, the support frame is provided with a bottom plate (12) and a ring frame (13) close to the side wall of the tunnel, a pulley (14) sleeved on the track (11) is arranged at the bottom of the bottom plate (12), and the big water drum B (4) is bound on the fixed ring frame (13) and close to the side wall of the tunnel.
Furthermore, the ring frame (13) is made of steel bars, a large water bag C (15) is hung on the ring frame, liquid is stored in the large water bag C (15), the tearing tape (5) is arranged on the large water bag C (15), and two ends of the stay cable (6) are respectively connected with the elastic block (3) and the pull head (7) of the tearing tape (5).
Furthermore, the water drum B (4) is made of a high-strength plastic bag, and the tearing belt (5) is made of strip-shaped thin-layer plastic.
The invention has the technical effects that:
1. the water bag A can be used for splashing water to the stone in the first time during blasting to prevent the generation of dust.
2. The water bag A can splash water while blasting, but the stone water bag A sprayed subsequently cannot be sprayed, the pull rope is pulled by the force of the elastic block popping outwards, the pull head pulls the tearing belts of the large water bag B and the large water bag C apart, water can be sprayed downwards, the stone blocks sprayed subsequently are also moistened, and accordingly dust is prevented.
Drawings
Fig. 1 is a schematic structural diagram of a rapid dust removal structure in a tunnel drilling and blasting engineering provided in embodiment 1 of the present invention.
Fig. 2 is a schematic structural diagram of a rapid dust removal structure in a tunnel drilling and blasting engineering according to embodiment 2 of the present invention, wherein a ladle C is not hung on a ring frame.
Fig. 3 is a schematic structural diagram of a rapid dust removal structure in a tunnel drilling and blasting engineering provided in embodiment 2 of the present invention, wherein a large water drum C is hung on a ring frame.
Fig. 4 is a schematic plan view of the structure of the coil form of fig. 2.
Detailed Description
The present invention will be described in further detail with reference to examples.
Referring to fig. 1, the rapid dust removal structure in tunnel drilling and blasting engineering provided by embodiment 1 of the present invention includes a water bag a2 sealed at an outer end of a plug hole of an explosive 1, a liquid is stored in the water bag a2, an elastic block 3 is arranged at a center of the water bag a2, a flat large water bag B4 is attached to a side wall of a tunnel, a liquid is stored in the water bag B4, a strip-shaped tearing tape 5 is provided on the large water bag B4, two ends of a pulling cable 6 are respectively connected with a pulling head 7 of the elastic block 3 and the tearing tape 5, the elastic block 3 is outwardly collapsed after the explosive 1 explodes, the elastic block 3 sequentially drives the pulling cable 6 and the pulling head 7, and the pulling head 7 tears the tearing tape 5 to an outer end.
Referring to fig. 1, the big water bag B4 is provided with an adhesive tape on the back, and the big water bag B4 is fixed on the side wall of the tunnel by adhesion. The pasting and fixing mode is simple and easy to implement, and is suitable for scenes with smooth tunnel walls.
Referring to fig. 1, the water drum B4 is provided with a through hole 8, and a screw 9 passes through the through hole 8 and is fixed on the side wall of the tunnel. The large water drum is firm and reliable in fixing mode and suitable for scenes with stable tunnel structures.
Referring to fig. 1, the water bag a2 extends over the entire blast surface 10, and the water bag extending over the entire blast surface can fully block the escape of smoke during explosion.
Referring to fig. 2-4, a track 11 is erected on the ground of the tunnel provided by embodiment 2 of the invention, a support frame adapted to the shape of the tunnel is arranged in the tunnel, the support frame has a bottom plate 12 and a ring 13 close to the side wall of the tunnel, a pulley 14 sleeved on the track 11 is arranged at the bottom of the bottom plate 12, and the water drum B4 is bound and fixed on the ring 13 and close to the side wall of the tunnel. The setting of circle frame can be quick through the good water drum transportation entering of track with ligature in advance, and needn't rely on tunnel wall hoist and mount water drum, avoid causing the unstability of tunnel lateral wall. The ring frame 13 is made of steel bars, a big water bag C15 is hung on the ring frame, liquid is stored in the big water bag C15, a tearing tape 5 is arranged on the big water bag C15, and two ends of the pull rope 6 are respectively connected with the elastic block 3 and the pull head 7 of the tearing tape 5. Above-mentioned support frame can be along the track with the water drum in from the outside transportation in the tunnel to need not to rely on the tunnel wall to hang the dress, consequently receive the influence of tunnel self condition less, the setting of water drum is convenient fast better, maneuverability is stronger.
In the above embodiments, in order to improve the dust adsorption effect of the liquid, the liquids stored in the water bag a2, the large water bag B4 and the large water bag C15 contain water, and a small amount of grease or salt is added to the water, and the grease may be industrially extracted grease, such as triglyceride.
Claims (10)
1. A tunnel bores quick dust removal structure among exploding engineering, characterized by: the novel explosive-proof tunnel is characterized by comprising a water bag A (2) which is plugged at the outer end of an insertion hole of an explosive (1), liquid is stored in the water bag A (2), an elastic block (3) is arranged at the center of the water bag A (2), a flat large water bag B (4) is attached to the side wall of the tunnel, liquid is stored in the large water bag B (4), a strip-shaped tearing tape (5) is arranged on the large water bag B (4), two ends of an inhaul cable (6) are respectively connected with a pull head (7) of the elastic block (3) and the tearing tape (5), the elastic block (3) is outwards burst after the explosive (1) explodes, the elastic block (3) sequentially drives the inhaul cable (6) and the pull head (7), and the tearing tape (5) is torn towards the outer end of the pull head (7).
2. The rapid dust removal structure in the tunnel drilling and blasting engineering according to claim 1, which is characterized in that: the back of the big water bag B (4) is provided with an adhesive tape, and the big water bag B (4) is fixed on the side wall of the tunnel in an adhesive mode.
3. The rapid dust removal structure in the tunnel drilling and blasting engineering according to claim 1, which is characterized in that: the big water bag B (4) is provided with a through hole (8), and the screw rod (9) penetrates through the through hole (8) and is fixed on the side wall of the tunnel.
4. The rapid dust removal structure in the tunnel drilling and blasting engineering according to claim 1, 2 or 3, wherein: the water pocket A (2) extends over the entire blasting surface (10).
5. The rapid dust removal structure in the tunnel drilling and blasting engineering according to claim 1, 2 or 3, which is characterized in that: the tunnel ground is provided with a track (11), a support frame matched with the tunnel in shape is arranged in the tunnel, the support frame is provided with a bottom plate (12) and a ring frame (13) close to the side wall of the tunnel, the bottom of the bottom plate (12) is provided with a pulley (14) sleeved on the track (11), and the big water drum B (4) is bound on the fixing ring frame (13) and close to the side wall of the tunnel.
6. The rapid dust removal structure in the tunnel drilling and blasting engineering according to claim 4, which is characterized in that: the tunnel ground is provided with a track (11) in an overhead manner, a support frame matched with the tunnel in shape is arranged in the tunnel, the support frame is provided with a bottom plate (12) and a ring frame (13) close to the side wall of the tunnel, the bottom of the bottom plate (12) is provided with a pulley (14) sleeved on the track (11), and the water drum B (4) is bound on the fixing ring frame (13) and is close to the side wall of the tunnel.
7. The rapid dust removal structure in the tunnel drilling and blasting engineering according to claim 5, which is characterized in that: the ring frame (13) is made of steel bars, a large water bag C (15) is hung on the ring frame, liquid is stored in the large water bag C (15), the tearing tape (5) is arranged on the large water bag C (15), and two ends of the stay cable (6) are respectively connected with the elastic block (3) and the pull head (7) of the tearing tape (5).
8. The rapid dust removal structure in the tunnel drilling and blasting engineering according to claim 6, which is characterized in that: the ring frame (13) is made of steel bars, a large water bag C (15) is hung on the ring frame, liquid is stored in the large water bag C (15), the tearing tape (5) is arranged on the large water bag C (15), and two ends of the inhaul cable (6) are respectively connected with the elastic block (3) and the pull head (7) of the tearing tape (5).
9. The rapid dust removal structure in the tunnel drilling and blasting engineering according to claim 1, 2 or 3, which is characterized in that: the big water bag B (4) is made of a high-strength plastic bag, and the tearing tape (5) is made of strip-shaped thin-layer plastic.
10. The rapid dust removal structure in the tunnel drilling and blasting engineering according to claim 1, 2 or 3, wherein: the liquid stored in the water bag A (2) and the large water bag B (4) contains water, and a small amount of grease or salt is added into the water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010448657.XA CN111735355B (en) | 2020-05-25 | 2020-05-25 | Quick dust removal structure in tunnel drilling and blasting engineering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010448657.XA CN111735355B (en) | 2020-05-25 | 2020-05-25 | Quick dust removal structure in tunnel drilling and blasting engineering |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111735355A CN111735355A (en) | 2020-10-02 |
| CN111735355B true CN111735355B (en) | 2022-09-13 |
Family
ID=72647713
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010448657.XA Expired - Fee Related CN111735355B (en) | 2020-05-25 | 2020-05-25 | Quick dust removal structure in tunnel drilling and blasting engineering |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111735355B (en) |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| LU37860A1 (en) * | 1959-02-16 | |||
| WO2012131525A1 (en) * | 2011-03-31 | 2012-10-04 | Ael Mining Services Limited | Charging of blasting boreholes |
| CN204902692U (en) * | 2015-08-03 | 2015-12-23 | 中交第一公路工程局有限公司 | Blasting system is blockked up in tunnel tunnelling big gun hole water seal |
| CN205748141U (en) * | 2016-06-21 | 2016-11-30 | 中国水利水电第五工程局有限公司 | A kind of Tunnel Blasting charge constitution |
| CN209510374U (en) * | 2018-11-21 | 2019-10-18 | 江西金汐实业有限公司 | Proscenia drops in the quick-fried dedusting of brill used in Tunnel Engineering |
| CN210239734U (en) * | 2019-05-28 | 2020-04-03 | 中国铁道科学研究院集团有限公司铁道建筑研究所 | Dust and smoke removing device for tunnel blasting |
| CN210426293U (en) * | 2019-08-03 | 2020-04-28 | 贵州久远爆破工程有限责任公司 | Water stemming bag for dust fall in tunnel blasting |
| CN110425949B (en) * | 2019-09-16 | 2022-06-07 | 山东天宝爆破有限公司 | Open blasting smoke dust treatment method |
-
2020
- 2020-05-25 CN CN202010448657.XA patent/CN111735355B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN111735355A (en) | 2020-10-02 |
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Granted publication date: 20220913 |