CN210033337U - Wet dust removal device for gas extraction pipeline - Google Patents
Wet dust removal device for gas extraction pipeline Download PDFInfo
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- CN210033337U CN210033337U CN201920629163.4U CN201920629163U CN210033337U CN 210033337 U CN210033337 U CN 210033337U CN 201920629163 U CN201920629163 U CN 201920629163U CN 210033337 U CN210033337 U CN 210033337U
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- automatic drainage
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Abstract
A wet dust collector for a gas extraction pipeline, which comprises a separating cylinder, a wet dust collector arranged at one end in the separating cylinder and an automatic drainage mechanism arranged at the lower side of the separating cylinder, the two ends of the cylinder body of the separating cylinder are provided with reducing connecting short sections, the wet dust arrester consists of a pneumatic motor and an impeller arranged at the rotating shaft end of the pneumatic motor, the pneumatic motor is horizontally erected at the center of the separating cylinder, the impeller is arranged towards the reducing connecting short section at the end of the separating cylinder, and wear to be equipped with the dust fall spray tube that is used for connecting the water source on the roof of the reducing connection nipple joint that is located this end of separator, the top water receiving mouth of dust fall spray tube is arranged in the reducing and is connected the nipple joint outside, and the delivery port of bottom sets up towards impeller center, is provided with the guiding gutter that is used for collecting the water coal dust on the separator diapire, guiding gutter one end is sealed, and the other end is connected with automatic drainage mechanism. The utility model discloses can realize the clearance of gas drainage pipeline water coal dust, and do not influence the normal operating of gas drainage.
Description
Technical Field
The utility model relates to a security protection field specifically is a wet dust collector for gas drainage pipeline under ore deposit.
Background
In the process of drilling for gas control in construction of a coal mine, frequently, holes collapse and coal dust in the holes cannot be discharged completely, and most of fine particles, coal falling in the holes and left coal in a coal seam are pumped into an extraction pipeline after hole connection drainage, move along with airflow, and block the pipeline when being accumulated at a certain position, so that normal operation of the whole drainage system is affected, and the whole drainage system is difficult to clean. The measures for gas drainage mainly aim at increasing permeability, relieving pressure and increasing coal seam permeability, the quantity of coal discharged by drilling holes is large, water and coal are abundant, in the process of gas drainage, a great amount of water and coal enter a drainage pipeline together to cause drainage negative pressure to be suddenly high or suddenly low or the pipeline is blocked, the drainage pipeline needs to be disassembled for treatment, time and labor are wasted, and the normal operation of gas drainage is influenced.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model aims at providing a wet dust collector for gas drainage pipeline can realize the clearance of gas drainage pipeline water coal dust, and does not influence the normal operating of gas drainage.
The utility model discloses a solve the technical scheme who takes of above-mentioned problem and do: a wet dust collector for a gas extraction pipeline comprises a horizontal separating cylinder, a wet dust collector arranged at one end in the separating cylinder and an automatic drainage mechanism arranged on the lower side of the separating cylinder, wherein reducing connection short sections used for connecting a gas extraction pipeline are arranged at two ends of a cylinder body of the separating cylinder, the wet dust collector comprises a pneumatic motor and an impeller arranged at the rotating shaft end of the pneumatic motor, the pneumatic motor is horizontally erected at the center of the separating cylinder through supporting columns erected in the separating cylinder, the impeller is arranged towards the reducing connection short sections arranged at the end of the separating cylinder, a dust falling spray pipe used for connecting a water source is arranged on the top wall of the reducing connection short sections arranged at the end of the separating cylinder in a penetrating manner, a water receiving port at the top end of the dust falling spray pipe is arranged outside the reducing connection short sections, a water outlet at the bottom end of the dust falling spray pipe is arranged towards the center of the impeller, and a diversion trench used for collecting water and coal dust is, one end of the diversion trench is sealed, and the other end of the diversion trench is connected with the automatic drainage mechanism.
Preferably, the tail end of the diversion trench is further connected with a spare manual drain valve.
Preferably, the automatic drainage mechanism comprises an automatic drainage valve, a pneumatic valve A arranged on an inlet pipeline of the automatic drainage valve and a pneumatic valve B arranged on an outlet pipeline of the automatic drainage valve, an electromagnetic valve used for controlling the pneumatic valve A or the pneumatic valve B to open and close is arranged at the top in the automatic drainage valve, a travel switch used for controlling the operation of the electromagnetic valve is arranged on the electromagnetic valve, and a floating ball used for triggering or closing the travel switch is arranged at the bottom of an inner cavity of the automatic drainage valve.
Preferably, one side of the automatic drain valve is also provided with a negative pressure regulating valve for regulating the negative pressure state of the inner cavity of the automatic drain valve.
Preferably, the bottom of the diversion trench near the tail end is connected with an inlet pipeline of the automatic drainage mechanism through a bent pipe.
Compared with the prior art, the utility model discloses following beneficial effect has:
a wet dust collector for gas drainage pipeline, according to the impeller with take out during this equipment of air current windward direction dress inserts drainage pipe, supply channel and air supply pipeline have been connected, open wet-type dust suppression ware switch and pneumatic motor air supply switch, the gas of bathing futilely that contains the coal dust gets into the cylinder and falls into automatic drainage mechanism interior automatic discharge behind the dust suppression ware, whole process need not unpack the drainage pipeline apart, just can accomplish the clearance of taking out the interior coal dust of drainage pipeline, do not influence the normal operating of gas drainage.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Detailed Description
The present invention will be described in detail with reference to the following embodiments, which are based on the technical solution of the present invention and provide detailed embodiments and specific operation processes.
As shown in the figure, the utility model relates to a wet dust collector for gas drainage pipeline, which comprises a horizontal separating cylinder 1, a wet dust collector 2 arranged at one end in the separating cylinder 1 and an automatic drainage mechanism arranged at the lower side of the separating cylinder 1, wherein the two ends of the cylinder body of the separating cylinder 1 are provided with a reducing connection nipple 3 for connecting the gas drainage pipeline, the wet dust collector 2 consists of a pneumatic motor 4 and an impeller 5 arranged at the rotating shaft end of the pneumatic motor 4, the pneumatic motor 4 is horizontally erected at the center of the separating cylinder 1 through a support column 6 erected in the separating cylinder 1, the impeller 5 is arranged towards the reducing connection nipple 3 at the end of the separating cylinder 1, a dust settling spray pipe 7 for connecting a water source is arranged on the top wall of the reducing connection nipple 3 at the end of the separating cylinder 1 in a penetrating way, the top end of the water receiving spray pipe 7 is arranged outside the reducing connection nipple 3, the delivery port of bottom sets up towards impeller 5 center, is provided with the guiding gutter 8 that is used for collecting the coal water dust on the 1 diapire of separator, 8 one ends of guiding gutter are sealed, and the other end is connected with automatic drainage mechanism.
The foregoing is a basic embodiment of the invention, and further modifications, optimizations, or limitations may be made on the foregoing.
Furthermore, the tail end of the diversion trench 8 is also connected with a standby manual drain valve 9.
Further, automatic drainage mechanism includes automatic drain valve 10, sets up pneumatic valve A11 on automatic drain valve 10 inlet pipe and sets up pneumatic valve B12 on automatic drain valve 10 outlet pipe, and top department is provided with the solenoid valve 13 that is used for controlling pneumatic valve A11 or pneumatic valve B12 switching in the automatic drain valve 10, be provided with the travel switch of its work of control on the solenoid valve 13, automatic drain valve 10 inner chamber bottom is provided with the floater 14 that is used for triggering or closing travel switch.
Further, a negative pressure regulating valve 15 for regulating the negative pressure state of the inner cavity of the automatic water discharge valve 10 is further arranged on one side of the automatic water discharge valve.
Furthermore, the bottom of the diversion trench 8 near the tail end is connected with an inlet pipeline of the automatic drainage mechanism through a bent pipe.
The utility model discloses the theory of operation as follows: the device is connected into a gas drainage pipe according to the windward direction of an impeller 5 and an extraction airflow, meanwhile, a water supply pipeline and an air supply pipeline are connected with the device, a switch of a wet dust precipitator 2 and an air supply switch of a pneumatic motor 4 are turned on, a dust fall spray pipe 7 sprays water to the impeller 5, dry gas containing coal dust passes through the wet dust precipitator 2 and then is mixed with water and attached to the impeller 5, enters a separation cylinder 1 under the action of centrifugal force and is sprayed to the inner wall of the separation cylinder 1, then falls into a flow guide groove 8 and is discharged through an automatic water discharging mechanism, and under the condition that the automatic water discharging mechanism fails or a wind source does not exist, water, coal dust can be discharged through a manual water discharging valve.
After the device is connected to an extraction pipeline, the inner cavity of the whole separation cylinder 1 and the inner cavity of the automatic water discharge valve 10 are in a negative pressure state before the inner cavity of the automatic water discharge valve 10 is not full of water, the pneumatic valve A11 is in an open state, the pneumatic valve B12 is in a closed state, water and coal dust can automatically and quickly flow into the inner cavity of the automatic water discharge valve 10 under negative pressure, after the inner cavity of the automatic water discharge valve 10 is full of water, the floating ball 14 floats upwards to push the travel switch to open the electromagnetic valve 15, the pneumatic valve A11 is controlled to be closed, the pneumatic valve B12 and the negative pressure regulating valve 15 are controlled to be opened, the communication between the inner cavity of the automatic water discharge valve 10 and the separation cylinder 1 is cut off, the inner cavity of the automatic water discharge valve 10 is balanced with the external pressure under the action of the negative pressure regulating;
after the water is discharged, the floating ball descends, the electromagnetic valve 15 is triggered to open the pneumatic valve A11 and close the pneumatic valve B12 and the negative pressure regulating valve 15, the inner cavity of the automatic water discharge valve 10 is communicated with the separating cylinder 1 again to form a negative pressure state, and discharged water, coal and dust are collected continuously.
The above description is only a preferred embodiment of the present invention, and the present invention is not limited to the above description, and although the present invention has been described with reference to the preferred embodiment, it is not limited to the present invention, and any skilled person in the art can make equivalent modifications or changes within the technical scope of the present invention, and any simple modifications, equivalent changes and modifications made by the technical spirit of the present invention to the above embodiments are within the technical scope of the present invention.
Claims (5)
1. The utility model provides a wet dust collector for gas drainage pipeline which characterized in that: the dust suppression device comprises a horizontal separation cylinder (1), a wet dust suppression device (2) arranged at one end in the separation cylinder (1) and an automatic drainage mechanism arranged on the lower side of the separation cylinder (1), wherein reducing connection short sections (3) used for connecting a gas extraction pipeline are arranged at two ends of a cylinder body of the separation cylinder (1), the wet dust suppression device (2) consists of a pneumatic motor (4) and an impeller (5) arranged at the rotating shaft end of the pneumatic motor (4), the pneumatic motor (4) is horizontally erected at the center of the separation cylinder (1) through a support column (6) erected in the separation cylinder (1), the impeller (5) is arranged towards the reducing connection short section (3) at the end of the separation cylinder (1), a dust suppression spray pipe (7) used for connecting a water source is arranged on the top wall of the reducing connection short section (3) at the end of the separation cylinder (1) in a penetrating manner, and the top end of the dust suppression spray pipe (7) is arranged outside the reducing connection (3), the delivery port of bottom sets up towards impeller (5) center, is provided with guiding gutter (8) that are used for collecting the water coal dust on separating cylinder (1) diapire, guiding gutter (8) one end is sealed, and the other end is connected with automatic drainage mechanism.
2. The wet dust removal device for the gas extraction pipeline as claimed in claim 1, wherein: the tail end of the diversion trench (8) is also connected with a standby manual drain valve (9).
3. The wet dust removal device for the gas extraction pipeline as claimed in claim 1, wherein: the automatic drainage mechanism comprises an automatic drainage valve (10), a pneumatic valve A (11) arranged on an inlet pipeline of the automatic drainage valve (10) and a pneumatic valve B (12) arranged on an outlet pipeline of the automatic drainage valve (10), wherein an electromagnetic valve (13) used for controlling the pneumatic valve A (11) or the pneumatic valve B (12) to be opened and closed is arranged at the top in the automatic drainage valve (10), a travel switch used for controlling the operation of the electromagnetic valve (13) is arranged on the electromagnetic valve (13), and a floating ball (14) used for triggering or closing the travel switch is arranged at the bottom of an inner cavity of the automatic drainage valve (10).
4. The wet dust removal device for the gas extraction pipeline as claimed in claim 3, wherein: and a negative pressure regulating valve (15) for regulating the negative pressure state of the inner cavity of the automatic water discharge valve (10) is also arranged on one side of the automatic water discharge valve.
5. The wet dust removal device for the gas extraction pipeline as claimed in claim 1, wherein: the bottom of the diversion trench (8) close to the tail end is connected with an inlet pipeline of the automatic drainage mechanism through a bent pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920629163.4U CN210033337U (en) | 2019-05-05 | 2019-05-05 | Wet dust removal device for gas extraction pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920629163.4U CN210033337U (en) | 2019-05-05 | 2019-05-05 | Wet dust removal device for gas extraction pipeline |
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| Publication Number | Publication Date |
|---|---|
| CN210033337U true CN210033337U (en) | 2020-02-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920629163.4U Active CN210033337U (en) | 2019-05-05 | 2019-05-05 | Wet dust removal device for gas extraction pipeline |
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| CN (1) | CN210033337U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111456800A (en) * | 2020-04-23 | 2020-07-28 | 微控物联网技术(山东)有限公司 | Mine dust settling system |
-
2019
- 2019-05-05 CN CN201920629163.4U patent/CN210033337U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111456800A (en) * | 2020-04-23 | 2020-07-28 | 微控物联网技术(山东)有限公司 | Mine dust settling system |
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