CN218324788U - Drainage deslagging and dust settling device for drainage drilling - Google Patents
Drainage deslagging and dust settling device for drainage drilling Download PDFInfo
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- CN218324788U CN218324788U CN202222401187.9U CN202222401187U CN218324788U CN 218324788 U CN218324788 U CN 218324788U CN 202222401187 U CN202222401187 U CN 202222401187U CN 218324788 U CN218324788 U CN 218324788U
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Abstract
The utility model provides an extract drilling drainage slagging-off dust device. The drainage deslagging dust-settling device for the drainage drill hole comprises a dust-collecting box, a dehumidifier and a negative-pressure automatic drainer, wherein the dust-collecting box comprises an air inlet, an inclined panel, a deslagging port, a baffle, an active carbon filter plate, an ultrasonic atomizer, an air outlet, a water filling port, a dehumidifier water inlet and a liquid level meter; the dehumidifier air supply port is communicated with the dust removal box, high-density filter cotton is arranged at the joint, the air outlet is connected with the gas extraction pipe, the negative pressure automatic water drainer is communicated with the water outlet of the dust removal box, and an adjustable support is arranged below the dust removal box and the negative pressure automatic water drainer. The utility model discloses simple structure, convenient and practical combines the comprehensive dust removal method of multistage dust removal and multiple dust removal mode combined use, can realize the drainage row sediment and the aqueous vapor separation function of dust fall function and gas drainage in-process in the drilling work progress.
Description
Technical Field
The utility model relates to a gas drainage technical field, in particular to take out and adopt drilling drainage slagging-off dust device.
Background
In the drilling construction process, the coal breaking effect caused by high-speed rotation of the drilling machine is accompanied by a large amount of fragments and coal dust, so that on one hand, the operation environment is polluted, the sight of operators is influenced, the accident occurrence probability is increased, and meanwhile, the body health of the operators is directly harmed by a large amount of dust; on the other hand, a large amount of coal dust is easy to cause coal dust explosion accidents, and is a great potential safety hazard influencing the safety production of the coal mine. At present, single dust-settling measures such as orifice water spraying dust settling, full-section filter screen spraying dust settling and the like are adopted in a drilling construction site, but the measures have the problems of large water spraying water consumption, poor spraying effect and atomization degree, unsatisfactory dust-settling effect and the like. The research on dust removal technology in the drilling construction process still needs further research.
In addition, after the drilling construction is finished, in the gas extraction process, water in a coal seam and a large amount of coal slag generated by drilling move along with gas flow under the action of extraction negative pressure, if accumulated water and coal slag in a pipeline cannot be timely removed, the cross-sectional area of the pipeline is reduced, the extraction resistance is greatly increased, the gas extraction efficiency is obviously reduced, and even the extraction pipeline is completely blocked and fails. Moreover, the accumulated water in the pipeline can corrode the pipeline wall and damage the sealing ring of the pipeline, so that the safety of gas drainage is threatened. How to realize the drainage and slag discharge functions under the extraction negative pressure condition, realize water-gas separation and improve the gas extraction efficiency, and is a major problem of solving the gas extraction difficulty.
Therefore, the development of the deslagging and dust settling device for drainage of the extraction drill hole has important engineering value.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an extract drilling drainage slagging-off dust device to solve the problem that exists among the prior art.
For realizing the utility model discloses the technical scheme that the purpose and adoption were such, a take out and adopt drilling drainage slagging-off dust device, including dust removal case, pipeline dehumidifier and negative pressure automatic drainer.
The dust removal case is a case body with an inner cavity. And the wall of the dust removal box is provided with an air inlet, an air outlet, a water filling port, a dehumidifier water inlet and a water outlet which are communicated with the inner cavity. And a slag discharge port communicated with the inner cavity is formed in the bottom of the dust removal box. And a partition plate is vertically arranged in the inner cavity of the dust removal box. The inner cavity of dust removal case is separated for cavity I and cavity II with the baffle. And the air inlet and the slag discharge port are communicated with the chamber I. And the air outlet, the water filling port, the water inlet of the dehumidifier and the water outlet are communicated with the chamber II. An inclined panel is arranged in the chamber I. And an ultrasonic atomizer is arranged in the chamber II. The baffle includes baffle and active carbon filter board. The upper surface of baffle is provided with the slot that supplies the active carbon filter to inlay and insert. The activated carbon filter plate is inserted and arranged above the baffle plate. The inclined panel is supported between the baffle plate and the slag discharge port.
The pipeline dehumidifier is arranged outside the dust removal box. The air outlet is communicated with an air supply port of the pipeline dehumidifier through a pipeline. And the exhaust port of the pipeline dehumidifier is communicated with the gas extraction pipe. And the water outlet of the pipeline dehumidifier is communicated with the water inlet of the dehumidifier.
The negative pressure automatic drainer is arranged outside the dust removal box. The negative pressure automatic drainer is communicated with the water outlet through a pipeline. And a negative pressure port of the negative pressure automatic drainer is communicated with an air supply port of the pipeline dehumidifier through a pipeline.
Further, a glass tube liquid level meter is arranged outside the chamber II.
Further, a ball valve is arranged at the slag discharge hole.
Furthermore, a high-density filter cotton is arranged on the pipeline between the air supply port and the air outlet.
Furthermore, height-adjustable supports are arranged below the dust removal box and the negative-pressure automatic drainer.
Further, a ball valve is arranged at the water injection port.
Further, the air inlet is communicated with a dust collection cover on the drill rod. And a manual butterfly valve is arranged on a pipeline between the air inlet and the dust collection cover.
Further, the gas inlet is communicated with a gas collecting pipe of the extraction drill site. And a manual butterfly valve is arranged on a pipeline between the air inlet and the gas collecting pipe.
Furthermore, a level gauge is arranged on the outer wall of the negative pressure automatic drainer.
Furthermore, a manual butterfly valve is arranged on the gas extraction pipe.
The technical effects of the utility model are undoubted:
1) The multi-stage dust removal and the multiple dust removal modes are used together, and the dust removal effect is good. Firstly, dedusting by gravity, depositing large-particle coal dust flowing in from a dust removal box air inlet into a dust removal box cavity I under the action of gravity and the blocking action of an active carbon filter plate, discharging the large-particle coal dust through a slag discharge port, then carrying out atomization dedusting on fine particles by an ultrasonic atomizer of a dust removal box cavity II, and finally filtering and dedusting the fine coal dust particles by high-density filter cotton;
2) The dust settling function in the drilling construction process can be realized, and the functions of drainage, deslagging and water-gas separation under the extraction negative pressure condition can also be realized. In addition, when the device is overhauled, only the manual butterfly valves at the two ends of the device are required to be closed, so that air can be prevented from flowing back to a coal bed under the action of negative pressure to reduce the gas concentration, and other extraction pipelines can be prevented from being influenced;
3) The coal dust in the water accumulated in the left chamber of the dust removal box is filtered through the activated carbon filter plate, and once the water level of the water accumulated exceeds the height of the baffle, the water in the chamber I of the dust removal box flows into the chamber II. In addition, liquefied water generated by condensation of the dehumidifier can also enter a dust removal box cavity II through the water outlet and a dehumidifier water inlet of the dust removal box, so that the ultrasonic atomizer can be recycled, and the waste of water resources is reduced;
4) The height of the device can be adjusted by matching the level gauge with the adjustable bracket, so that the device can be always kept in a horizontal state. The problems of device failure, shortened service life and the like caused by the inclination of the ground (especially equipment with high requirement on the ground levelness, such as a negative pressure automatic drainer) are prevented;
5) The working environment is improved, and the working safety is improved;
6) Simple structure, convenience and practicality.
Drawings
FIG. 1 is a schematic diagram of the apparatus;
FIG. 2 is a side view of the device structure;
FIG. 3 is a piping diagram of the apparatus in a drilling construction process;
fig. 4 is a pipeline layout diagram of the gas extraction process device.
In the figure: the device comprises a manual butterfly valve 1, an air inlet 2, a dust removal box 3, an inclined panel 4, a slag discharge port 5, a ball valve 6, an adjustable support 7, a baffle 8, an active carbon filter plate 9, an ultrasonic atomizer 10, an air outlet 11, high-density filter cotton 12, a pipeline dehumidifier 13, an air supply port 13a, an air exhaust port 13b, a water outlet 13c, a gas extraction pipe 14, a water injection port 15, a dehumidifier water inlet 16, a water outlet 17, a negative pressure automatic drainer 18, a negative pressure port 19, a liquid level meter 20, a level gauge 21, a drill rod drilling machine 22, a dust collection cover 23 and a gas collection pipe 24.
Detailed Description
The present invention will be further described with reference to the following examples, but it should not be construed that the scope of the present invention is limited to the following examples. Various substitutions and modifications can be made without departing from the technical spirit of the invention and according to the common technical knowledge and conventional means in the field, and all shall be included in the scope of the invention.
Example 1:
referring to fig. 1 to 4, the embodiment provides an extraction drilling drainage deslagging dust settling device, which includes a dust removal box 3, a pipeline dehumidifier 13 and a negative pressure automatic drainer 18.
The dust removal box 3 is a box body with an inner cavity. And the wall of the dust removal box 3 is provided with an air inlet 2, an air outlet 11, a water filling port 15, a dehumidifier water inlet 16 and a water outlet 17 which are communicated with the inner cavity. The box bottom of dust removal case 3 is provided with row's cinder notch 5 with the inner chamber intercommunication. And a partition plate is vertically arranged in the inner cavity of the dust removal box 3. The baffle separates the inner chamber of dust removal case 3 for cavity I and cavity II. And the air inlet 2 and the slag discharge port 5 are communicated with the chamber I. And the air outlet 11, the water filling port 15, the water inlet 16 of the dehumidifier and the water outlet 17 are communicated with the chamber II. In said chamber i an inclined panel 4 is arranged. An ultrasonic atomizer 10 is arranged in the chamber II.
The partition comprises a baffle plate 8 and an activated carbon filter plate 9. The upper surface of baffle 8 is provided with the slot that supplies active carbon filter 9 to inlay and insert. The activated carbon filter plate 9 is embedded and arranged above the baffle plate 8. The inclined panel 4 is supported between the baffle 8 and the slag discharge opening 5. The inclined panel 4 and the slag discharge port 5 form a slag discharge passage.
The pipe dehumidifier 13 is arranged outside the dust removal tank 3. In the embodiment, the pipeline dehumidifier 13 is an explosion-proof pipeline dehumidifier with the model of BCF-790C (D). The air outlet 11 is communicated with an air supply port 13a of the pipeline dehumidifier 13 through a pipeline. And an exhaust port 13b of the pipeline dehumidifier 13 is communicated with a gas extraction pipe 14. And a manual butterfly valve II 1b is arranged on the gas extraction pipe 14. And a water outlet 13c of the pipeline dehumidifier 13 is communicated with a water inlet 16 of the dehumidifier and is used for recycling liquefied water generated by condensation of the dehumidifier.
The negative pressure automatic drainer 18 is arranged outside the dust removing box 3. The negative pressure automatic drainer 18 is communicated with the drain port 17 through a pipeline. The negative pressure port 19 of the negative pressure automatic water discharge device 18 is communicated with the air supply port 13a of the pipe dehumidifier 13 through a pipe.
No matter in the drilling construction process or the gas extraction process, moisture in a coal seam and a large amount of coal dust in a drill hole enter the air inlet 2 of the dust removal box 3 along with gas flow under the extraction negative pressure, firstly, in the cavity I of the dust removal box 3, large-particle coal dust flowing in from the air inlet 2 of the dust removal box is deposited on the inclined panel 4 in the cavity I of the dust removal box under the action of gravity and the blocking action of the active carbon filter plate 9 to form coal slag, and the slag can be discharged by periodically opening the ball valve 6 of the slag discharge port 5. Then, the fine coal dust particles are atomized and dedusted through the ultrasonic atomizer 10 of the dedusting box chamber II, then the fine coal dust particles are filtered through the high-density filter cotton 12 of the air outlet 11 to obtain a dedusted gas flow, and finally, the moisture in the extracted gas is reduced through the pipeline dehumidifier 13. It is worth to explain that, through setting up the coal dust in the I ponding of active carbon filter 9 filtration dust removal case cavity, in case the ponding liquid level surpasss the height of baffle 8, the water of dust removal case cavity I will flow into cavity II. In addition, liquefied water generated by condensation of the pipeline dehumidifier 13 can also enter the dust removal box cavity II through the water outlet 13a and the dehumidifier water inlet 16 of the dust removal box 3, so that the ultrasonic atomizer 10 can be recycled, and waste of water resources is reduced.
From a new perspective, the comprehensive dust removal method combining multi-stage dust removal and multiple dust removal modes is considered, the drainage deslagging and dust removal device capable of achieving the dust removal function in the drilling construction process and the drainage deslagging and water-gas separation function in the gas extraction process is developed, and the comprehensive dust removal device has important engineering value for achieving efficient coal seam gas extraction, building a workplace healthy environment and promoting coal mine safety production.
Example 2:
the embodiment provides a drainage slagging-off dust device of extraction drilling on basis, including dust removal case 3, pipeline dehumidifier 13 and negative pressure automatic drainer 18.
The dust removal box 3 is a box body with an inner cavity. And the wall of the dust removal box 3 is provided with an air inlet 2, an air outlet 11, a water filling port 15, a dehumidifier water inlet 16 and a water outlet 17 which are communicated with the inner cavity. The box bottom of dust removal case 3 is provided with row's cinder notch 5 with the inner chamber intercommunication. And a partition plate is vertically arranged in the inner cavity of the dust removing box 3. The baffle separates the inner chamber of dust removal case 3 for cavity I and cavity II. And the air inlet 2 and the slag discharge port 5 are communicated with the chamber I. And the air outlet 11, the water filling port 15, the water inlet 16 of the dehumidifier and the water outlet 17 are communicated with the chamber II. In said chamber i an inclined panel 4 is arranged. An ultrasonic atomizer 10 is arranged in the chamber II.
The partition comprises a baffle plate 8 and an activated carbon filter plate 9. The upper surface of baffle 8 is provided with the slot that supplies active carbon filter 9 to inlay. The activated carbon filter plate 9 is embedded and arranged above the baffle plate 8. The inclined panel 4 is supported between the baffle 8 and the slag discharge opening 5. The inclined panel 4 and the slag discharge port 5 form a slag discharge passage.
The pipe dehumidifier 13 and the negative pressure automatic drainer 18 are arranged outside the dust removing box 3. The air outlet 11 is communicated with an air supply port 13a of the pipeline dehumidifier 13 through a pipeline. And an exhaust port 13b of the pipeline dehumidifier 13 is communicated with a gas extraction pipe 14. The water outlet 13c of the pipeline dehumidifier 13 is communicated with the dehumidifier water inlet 16.
Example 3:
the main structure of this embodiment is the same as that of embodiment 2, wherein a glass tube liquid level meter 20 is arranged outside the chamber II. The glass tube liquid level meter 20 and the chamber II form a communicating vessel.
Example 4:
the main structure of the present embodiment is the same as that of embodiment 2, wherein a ball valve 6 is arranged at the slag discharge port 5.
Example 5:
the main structure of this embodiment is the same as that of embodiment 2, wherein a high-density filter cotton 12 is disposed on the pipeline between the air supply port 13a and the air outlet 11 for filtering fine coal dust particles.
Example 6:
the main structure of this embodiment is the same as embodiment 2, wherein a height-adjustable support 7 is arranged below the dust removing box 3 and the automatic negative pressure drainer 18.
Example 7:
the main structure of this embodiment is the same as that of embodiment 2, wherein a ball valve 6 is arranged at the water filling port 15.
Example 8:
the main structure of the present embodiment is the same as that of embodiment 2, wherein the air inlet 2 is communicated with a dust collection cover 23 matched with a drill rod drilling machine 22. A manual butterfly valve 1 is arranged on a pipeline between the air inlet 2 and the dust collection cover 23. In the using process of the drill rod drilling machine 22, drilling slag in the drill hole enters the dust collection cover 23, and the dust collection and sedimentation process is completed by the drainage slag removal and dust removal device for the extraction drill hole.
Example 9:
the main structure of the present embodiment is the same as that of embodiment 2, wherein the gas inlet 2 is communicated with a gas collecting pipe 24 of an extraction drill site. And a manual butterfly valve 1 is arranged on a pipeline between the air inlet 2 and the gas collecting pipe 24.
Example 10:
the main structure of this embodiment is the same as embodiment 2, wherein a level 21 is arranged on the outer wall of the negative pressure automatic water discharging device 18.
Example 11:
the main structure of the present embodiment is the same as that of embodiment 2, wherein a manual butterfly valve 1 is arranged on the gas extraction pipe 14.
Claims (10)
1. The utility model provides an extract drilling drainage slagging-off dust device which characterized in that: comprises a dust removing box (3), a pipeline dehumidifier (13) and a negative pressure automatic drainer (18);
the dust removal box (3) is a box body with an inner cavity; the wall of the dust removing box (3) is provided with an air inlet (2), an air outlet (11), a water filling port (15), a dehumidifier water inlet (16) and a water outlet (17) which are communicated with the inner cavity; the box bottom of the dust removing box (3) is provided with a slag discharging port (5) communicated with the inner cavity; a partition plate is vertically arranged in the inner cavity of the dust removing box (3); the partition plate divides the inner cavity of the dust removal box (3) into a chamber I and a chamber II; the air inlet (2) and the slag discharge port (5) are communicated with the chamber I; the air outlet (11), the water filling port (15), the water inlet (16) and the water outlet (17) of the dehumidifier are communicated with the chamber II; an inclined panel (4) is arranged in the chamber I; an ultrasonic atomizer (10) is arranged in the chamber II; the partition plate comprises a baffle plate (8) and an active carbon filter plate (9); the upper surface of the baffle (8) is provided with a slot for the insertion of the active carbon filter plate (9); the activated carbon filter plate (9) is embedded above the baffle (8); the inclined panel (4) is supported between the baffle (8) and the slag discharge port (5);
the pipeline dehumidifier (13) is arranged outside the dust removing box (3); the air outlet (11) is communicated with an air supply port (13 a) of the pipeline dehumidifier (13) through a pipeline; an exhaust port (13 b) of the pipeline dehumidifier (13) is communicated with a gas extraction pipe (14); a water outlet (13 c) of the pipeline dehumidifier (13) is communicated with a water inlet (16) of the dehumidifier;
the negative pressure automatic drainer (18) is arranged outside the dust removing box (3); the negative pressure automatic drainer (18) is communicated with the water outlet (17) through a pipeline; the negative pressure port (19) of the negative pressure automatic drainer (18) is communicated with the air feeding port (13 a) of the pipeline dehumidifier (13) through a pipeline.
2. The deslagging and dust settling device for drainage of the extraction drill hole according to claim 1, characterized in that: and a glass tube liquid level meter (20) is arranged outside the chamber II.
3. The deslagging and dust settling device for drainage of the extraction drill hole according to claim 1, characterized in that: and a ball valve (6) is arranged at the slag discharge port (5).
4. The deslagging and dust settling device for drainage of the extraction drill hole according to claim 1, characterized in that: and a pipeline between the air supply port (13 a) and the air outlet (11) is provided with high-density filter cotton (12).
5. The deslagging and dust-settling device for drainage of the extraction drill hole according to claim 1, characterized in that: and a height-adjustable bracket (7) is arranged below the dust removal box (3) and the negative pressure automatic drainer (18).
6. The deslagging and dust settling device for drainage of the extraction drill hole according to claim 1, characterized in that: and a ball valve (6) is arranged at the water injection port (15).
7. The deslagging and dust-settling device for drainage of the extraction drill hole according to claim 1, characterized in that: the air inlet (2) is communicated with a dust collection cover (23) matched with the drill rod drilling machine (22); a manual butterfly valve (1) is arranged on a pipeline between the air inlet (2) and the dust collection cover (23).
8. The deslagging and dust-settling device for drainage of the extraction drill hole according to claim 1, characterized in that: the gas inlet (2) is communicated with a gas collecting pipe (24) of the extraction drill site; and a manual butterfly valve (1) is arranged on a pipeline between the air inlet (2) and the gas collecting pipe (24).
9. The deslagging and dust settling device for drainage of the extraction drill hole according to claim 1, characterized in that: a level gauge (21) is arranged on the outer wall of the negative pressure automatic drainer (18).
10. The deslagging and dust settling device for drainage of the extraction drill hole according to claim 1, characterized in that: and a manual butterfly valve (1) is arranged on the gas extraction pipe (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222401187.9U CN218324788U (en) | 2022-09-09 | 2022-09-09 | Drainage deslagging and dust settling device for drainage drilling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222401187.9U CN218324788U (en) | 2022-09-09 | 2022-09-09 | Drainage deslagging and dust settling device for drainage drilling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218324788U true CN218324788U (en) | 2023-01-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222401187.9U Active CN218324788U (en) | 2022-09-09 | 2022-09-09 | Drainage deslagging and dust settling device for drainage drilling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218324788U (en) |
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2022
- 2022-09-09 CN CN202222401187.9U patent/CN218324788U/en active Active
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