CN211397509U - Double-stage negative pressure type collecting, purifying and dedusting device for drilling of three-soft coal seam - Google Patents
Double-stage negative pressure type collecting, purifying and dedusting device for drilling of three-soft coal seam Download PDFInfo
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- CN211397509U CN211397509U CN201921421882.3U CN201921421882U CN211397509U CN 211397509 U CN211397509 U CN 211397509U CN 201921421882 U CN201921421882 U CN 201921421882U CN 211397509 U CN211397509 U CN 211397509U
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- dust
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- negative pressure
- slag
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Abstract
The utility model discloses a drilling of three soft coal seams is with doublestage negative pressure formula collection purification dust collector, including the coal wall pipe, collecting box and dust remover, the coal wall pipe one end stretches into the coal seam, the other end plugs through the gum cover of cover setting at the drilling rod end, be equipped with two parallel injection flow pipelines in the dust remover, all form the negative pressure through the tuber pipe and the water pipe of intercommunication in every injection flow pipeline, one of them negative pressure is taken out the dust in the coal wall pipe and is arranged the purification dust removal in the dust remover, when the coal wall pipe discharges drill chip and dust, drill chip dust is whole to be collected in the collecting box, take out the dust to the dust remover once more through the negative pressure, purify the dust removal, simultaneously, the drilling slag that is detained in the collecting box forms the coal slime under the purifying effect of collecting box, the coal paste is discharged; the device simple structure, convenient to detach installs, utilizes wind pressure and aqueous phase to combine, has saved the resource greatly, has reduced manufacturing cost, and utilizes doublestage negative pressure dust removal and tertiary purification, has realized the dustless management of drilling.
Description
Technical Field
The utility model relates to a coal seam drilling dust removal technical field, specific is a three soft coal seams drilling is collected with doublestage negative pressure formula and is purified dust collector.
Background
Coal seam drilling is an essential link in coal mining operation, but the gas content in a coal seam is high, the coal quality is soft, especially three-soft coal seams are easy to collapse, in the drilling process, gas is mixed with dust and drilling slag, the formed dust is sprayed into a roadway like a smoke column under the injection action of high-pressure air, and high-concentration fine dust containing gas spray holes drifts along with the wind flow, so that all operation places on the air return side of an operation point are polluted, the operation environment is seriously polluted, the physical health of workers is harmed, and meanwhile, the safety production standardization work of the construction site is influenced.
In response to these problems, some devices for dust removal of the drill hole opening have been proposed in the prior art, such as the following patent documents: in the gas injection type coal seam drilling hole opening dust removal device with the publication number of CN208546149U, a drill rod is wrapped in a dust hood, dust in the dust hood is sucked out and removed by using a negative pressure air duct and an injection dust remover, and the rest of drilling slag is discharged to a roadway through a slag outlet formed below the dust hood. Although having certain dust removal effect, the device dust fall effect is not ideal: firstly, the suction force of the dust suction port is small, and dust in the coal wall pipe cannot be sucked out completely; secondly, the slag outlet is positioned at the time of drilling cuttings discharge, a large amount of dust still flows into a roadway along with drilling cuttings, and only about 50% of dust settling efficiency is achieved.
Therefore, a novel device suitable for removing dust and reducing dust of drilling slag generated by drilling of the three-soft coal seam is needed, so that the dust reduction efficiency is improved, and a good working environment is provided for a construction site.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a three soft coal seams are drilling to collect with doublestage negative pressure formula and purify dust collector utilizes the wind pressure to add water, forms the negative pressure in the pipeline of certain length, carries out the doublestage under the effect of negative pressure and removes dust to purify after the dust removal of each grade, remove dust through doublestage negative pressure and tertiary purification improvement dust fall efficiency, realize boring dustless management.
The utility model discloses a realize that the technical scheme that above-mentioned technical purpose adopted does: a two-stage negative pressure type collecting, purifying and dedusting device for drilling of a three-soft coal seam comprises a drill rod for drilling, wherein a coal wall pipe is wrapped outside the drill rod, one end of the coal wall pipe extends into the coal seam, the other end of the coal wall pipe is plugged through a rubber sleeve sleeved at the tail end of the drill rod, a dust outlet I and a gas pumping and discharging port I are formed in the top of one end, far away from the coal seam, of the coal wall pipe, a slag outlet I is formed in the bottom of the coal wall pipe, a collecting box is arranged at the position of the slag outlet I, a slag outlet II is formed in the bottom of the collecting box, purifying spray is arranged on the side wall, a drilling chip inlet and a dust outlet II are formed in the top of the coal wall pipe, the drilling chip inlet is connected with the slag outlet I of the coal wall pipe, a deduster is connected with the dust outlet II through a hose, two parallel injection flow pipelines extending towards the other side are arranged on, the two dust suction ports respectively suck dust in the coal wall pipe and the collecting box into the dust remover through the dust outlet I and the dust outlet II through negative pressure to form primary injection flow dust removal and secondary injection flow dust removal, and one side of the dust remover, which is far away from the dust suction ports, is provided with the slag discharge port.
As the utility model discloses a drilling of three soft coal seams is with doublestage negative pressure formula collection purification dust collector's further optimization: the one end that the casing pipe of coal wall passes through the gum cover shutoff is the dust collecting pipe, and the other end is the insert tube, and the one end of insert tube stretches into the coal seam, and the other end and dust collecting pipe flange joint.
As the utility model discloses a drilling of three soft coal seams is with doublestage negative pressure formula collection purification dust collector's further optimization: the collecting box is for leaking hopper-shaped and II departments of slag notch are equipped with the baffle of slagging tap that is used for adjusting the slag notch size.
As the utility model discloses a drilling of three soft coal seams is with doublestage negative pressure formula collection purification dust collector's further optimization: and a gas drainage port II is arranged at the top of the collecting box.
As the utility model discloses a drilling of three soft coal seams is with doublestage negative pressure formula collection purification dust collector's further optimization: and a protective belt for preventing sewage and accumulated coal from being directly discharged is arranged at the slag discharge port.
As the utility model discloses a drilling of three soft coal seams is with doublestage negative pressure formula collection purification dust collector's further optimization: the top of the dust remover is provided with a slag removal port, and the slag removal port is provided with a slag removal door.
As the utility model discloses a drilling of three soft coal seams is with doublestage negative pressure formula collection purification dust collector's further optimization: the bottom of one end of the dust remover, which is far away from the slag discharge port, is provided with a bracket for facilitating the discharge of sewage and accumulated coal.
Compared with the prior art, the utility model discloses following beneficial effect has:
1) the utility model utilizes wind pressure to add water, forms negative pressure in a pipeline with certain length, pumps and exhausts dust in the coal wall pipe into the dust remover by utilizing the negative pressure, and purifies the dust; when the drill cuttings and dust are discharged from the coal wall pipe, the drill cuttings and dust are completely collected in the collection box, the dust is pumped into the dust remover again through negative pressure for purification and dust removal, and meanwhile, the drilling slag retained in the collection box forms coal slime and coal paste under the purification effect of the collection box and is discharged; the drilling dustless management is realized through double dust removal and triple purification, the dust removal efficiency is greatly improved, and a good working environment is provided for a construction site;
2) the utility model has simple structure, convenient transportation, disassembly and assembly, low labor intensity, simple operation and easy mastering by combining the wind pressure and the water phase, thereby greatly saving resources and reducing production cost;
3) the utility model classifies and removes dust from the drilling slag dust, so that the coal dust can be cleaned more conveniently, the civilized and sanitary management of a construction site is facilitated, and the standardization of safe production is facilitated to be improved;
4) the utility model arranges the slag-out baffle at the slag-out opening of the collecting box, and can adjust the size of the slag-out opening by adjusting the slag-out baffle, thereby adjusting the suction force of the dust outlet II in the collecting box;
5) the utility model is provided with the bracket at one end of the lower part of the dust remover, which is far away from the slag discharge port, so as to support one end of the dust suction port of the dust remover, thereby being more convenient for the suction of dust and the discharge of sewage;
6) the utility model is provided with the protective belt at the slag discharge hole of the dust remover, so as to play a role of buffering the sewage and the accumulated coal and prevent the sewage and the accumulated coal from being directly discharged into the tunnel;
7) the utility model discloses a coal wall pipe includes the inserted tube of certain length to play the guide effect to the drill chip dust, be convenient for more collect the drilling slag dust at the in-process that punches.
Drawings
FIG. 1 is a schematic view of the overall structure of the coal wall pipe of the present invention;
FIG. 2 is a schematic view of the overall structure of the collecting box of the present invention;
FIG. 3 is a schematic side view of the dust collector of the present invention;
FIG. 4 is a schematic top view of the dust collector of the present invention;
the labels in the figure are: 1. coal wall pipe, 101, the insert tube, 102, the dust collecting pipe, 1021, go out dirt mouth I, 1022, gas are taken out and are put a mouthful I, 1023, slag notch I, 2, the collecting box, 201 drill chip import, 202, go out dirt mouth II, 203, purify the spraying, 204, slag notch II, 205, the baffle of slagging tap, 206, gas are taken out and are put a mouthful II, 3, the dust remover, 301, arrange the slag notch, 302, the slag notch, 303, the support, 4, draw and flow the pipeline, 401, the dust absorption mouth, 402, the tuber pipe, 403, the water pipe, 5, the gum cover.
Detailed Description
The invention is further elucidated below on the basis of a specific embodiment.
Example 1
The utility model provides a three soft coal seams are doublestage negative pressure formula collection purification dust collector for drilling, including the drilling rod that is used for drilling, the outside parcel of drilling rod has coal wall pipe 1, as shown in fig. 1, coal wall pipe 1 includes insert tube 101 and dust collecting tube 102, the coal seam is stretched into to the one end of insert tube 101, the other end and dust collecting tube 102 flange joint, dust collecting tube 102's the other end carries out the shutoff through the cover at the terminal gum cover 5 of drilling rod, coal wall pipe 1 keeps away from the one end in coal seam and is seted up out dirt mouth I1021 and gas drainage mouth I1022 at the top of dust collecting tube 102 promptly, slag notch I1023 has been seted up to the bottom, I1023 department of slag notch is equipped with hourglass hopper-shaped.
As shown in fig. 2, slag notch ii 204 has been seted up to the bottom of collecting box 2, slag notch ii 204 department is equipped with the baffle 205 of slagging tap that is used for adjusting the size of slag notch ii 204, be equipped with on the lateral wall of collecting box 2 and purify spraying 203, drill chip import 201 has been seted up at the top, II 206 of gas drainage mouth and play dirt mouth ii 202 are taken out, the drilling slag enters into collecting box 2 through I1023 of slag notch and the drill chip import 201 of dust collecting tube 102, and be spouted wet by purification spraying 203 and form the coal slime, the coal slime is discharged from slag notch ii 204, it has dust remover 3 to go out dirt mouth ii 202 of collecting box 2 through hose connection.
As shown in fig. 3 and 4, two parallel injection flow pipelines 4 extending to the other side are arranged on one side of the dust remover 3, negative pressure is formed inside each injection flow pipeline 4 through an air pipe 402 and a water pipe 403 which are communicated with each other, a dust suction port 401 is arranged at one end of each injection flow pipeline 4 close to the air pipe 402 and the water pipe 403, dust in the coal wall pipe 1 and the collection box 2 is sucked into the dust remover 3 through a dust outlet i 1021 and a dust outlet ii 202 through the two dust suction ports 401 respectively through the negative pressure to form primary injection flow dust removal and secondary injection flow dust removal, a slag discharge port 301 is arranged on one side of the dust remover 3 far away from the dust suction port 401, a protective belt for preventing sewage and accumulated coal from being directly discharged is arranged at the slag discharge port 301, the top of the dust remover 3 is provided with a slag removal port 302, and the slag removal port 302 is provided with a slag removal door.
The required materials of the device can be welded and manufactured by waste materials in the mine production process, so that the waste is recycled, the materials are greatly saved, and the production cost is reduced.
Example 2
This example is an optimization of example 1: a bracket 303 which is convenient for discharging sewage and accumulated coal is arranged at the bottom of one end of the dust remover 3 away from the slag discharge port 301, when the bracket 303 is supported, the dust suction port 401 is lifted, and dust is sucked out of the coal wall pipe 1 and the collection box 2 through the dust suction port 401; the slag discharge port 301 is depressed while the dust suction port 401 is raised, so that the accumulated coal and the sewage in the dust collector 3 can be discharged more smoothly.
The utility model discloses a use method does: during drilling operation, under the action of negative pressure in the injection flow pipeline 4, a part of dust enters the injection flow pipeline 4 through the dust outlet I1021 and the dust suction port 401, the end part of the injection flow pipeline 4 along the injection direction forms water mist through the communicated air pipe 402 and the communicated water pipe 403 so as to remove and purify the dust, the other part of dust enters the collecting box 2 under the driving of drilling slag, coal slime and coal paste are formed through the purification mist 203 and discharged from the slag outlet II 204, the residual dust in the collecting box 2 similarly enters the dust remover 3 under the action of the other negative pressure to be purified and dedusted, sewage and accumulated coal in the dust remover are discharged through the slag outlet 301, and double-stage drilling dust-free operation is realized through negative pressure dedusting and three-stage purification.
Claims (7)
1. The utility model provides a three soft coal seams are doublestage negative pressure formula collection purification dust collector for drilling, is including the drilling rod that is used for drilling, and the outside parcel of drilling rod has coal wall pipe (1), its characterized in that: one end of the coal wall pipe (1) extends into a coal bed, the other end of the coal wall pipe is plugged by a rubber sleeve (5) sleeved at the tail end of a drill rod, the top of one end, far away from the coal bed, of the coal wall pipe (1) is provided with a dust outlet I (1021) and a gas drainage outlet I (1022), the bottom of the coal wall pipe is provided with a slag outlet I (1023), a collecting box (2) is arranged at the position of the slag outlet I (1023), the bottom of the collecting box (2) is provided with a slag outlet II (204), the side wall of the coal wall pipe is provided with purification spray (203), the top of the coal wall pipe is provided with a drill chip inlet (201) and a dust outlet II (202), the drill chip inlet (201) is connected with the slag outlet I (1023) of the coal wall pipe (1), the dust outlet II (202) is connected with a dust remover (3) through a hose, one side of the dust remover (3) is provided with two parallel flow injection pipelines (4) extending, one end of each injection flow pipeline (4) close to the air pipe (402) and the water pipe (403) is provided with a dust suction port (401), the two dust suction ports (401) respectively suck dust in the coal wall pipe (1) and the collection box (2) into the dust remover (3) through the dust outlet I (1021) and the dust outlet II (202) through negative pressure to form one-stage injection flow dust removal and two-stage injection flow dust removal, and one side of the dust remover (3) far away from the dust suction ports (401) is provided with a slag discharge port (301).
2. The two-stage negative pressure type collecting, purifying and dedusting device for drilling the three soft coal seams according to claim 1, which is characterized in that: one end of the coal wall pipe (1) plugged by the rubber sleeve (5) is provided with a dust collecting pipe (102), the other end of the coal wall pipe is provided with an insert pipe (101), one end of the insert pipe (101) extends into the coal bed, and the other end of the insert pipe is connected with the dust collecting pipe (102) through a flange.
3. The two-stage negative pressure type collecting, purifying and dedusting device for drilling the three soft coal seams according to claim 1, which is characterized in that: the collecting box (2) is funnel-shaped and is provided with a slag tapping baffle (205) used for adjusting the size of the slag tapping hole II (204) at the position of the slag tapping hole II (204).
4. The two-stage negative pressure type collecting, purifying and dedusting device for drilling the three soft coal seams according to claim 1, which is characterized in that: and a gas drainage port II (206) is arranged at the top of the collection box (2).
5. The two-stage negative pressure type collecting, purifying and dedusting device for drilling the three soft coal seams according to claim 1, which is characterized in that: and a protective belt for preventing sewage and accumulated coal from being directly discharged is arranged at the slag discharge port (301).
6. The two-stage negative pressure type collecting, purifying and dedusting device for drilling the three soft coal seams according to claim 1, which is characterized in that: the top of the dust remover (3) is provided with a slag removal port (302), and a slag removal door is arranged at the slag removal port (302).
7. The two-stage negative pressure type collecting, purifying and dedusting device for drilling the three soft coal seams according to claim 1, which is characterized in that: and a support (303) convenient for discharging sewage and accumulated coal is arranged at the bottom of one end of the dust remover (3) far away from the slag discharge port (301).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921421882.3U CN211397509U (en) | 2019-08-29 | 2019-08-29 | Double-stage negative pressure type collecting, purifying and dedusting device for drilling of three-soft coal seam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921421882.3U CN211397509U (en) | 2019-08-29 | 2019-08-29 | Double-stage negative pressure type collecting, purifying and dedusting device for drilling of three-soft coal seam |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211397509U true CN211397509U (en) | 2020-09-01 |
Family
ID=72228393
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921421882.3U Expired - Fee Related CN211397509U (en) | 2019-08-29 | 2019-08-29 | Double-stage negative pressure type collecting, purifying and dedusting device for drilling of three-soft coal seam |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211397509U (en) |
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2019
- 2019-08-29 CN CN201921421882.3U patent/CN211397509U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200901 Termination date: 20210829 |