CN111659047A - Air supply device of dust mask for driver of roadheader - Google Patents
Air supply device of dust mask for driver of roadheader Download PDFInfo
- Publication number
- CN111659047A CN111659047A CN202010311594.3A CN202010311594A CN111659047A CN 111659047 A CN111659047 A CN 111659047A CN 202010311594 A CN202010311594 A CN 202010311594A CN 111659047 A CN111659047 A CN 111659047A
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- Prior art keywords
- air
- air supply
- air duct
- driver
- nozzle
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B18/00—Breathing masks or helmets, e.g. affording protection against chemical agents or for use at high altitudes or incorporating a pump or compressor for reducing the inhalation effort
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B18/00—Breathing masks or helmets, e.g. affording protection against chemical agents or for use at high altitudes or incorporating a pump or compressor for reducing the inhalation effort
- A62B18/08—Component parts for gas-masks or gas-helmets, e.g. windows, straps, speech transmitters, signal-devices
- A62B18/10—Valves
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B7/00—Respiratory apparatus
- A62B7/10—Respiratory apparatus with filter elements
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B7/00—Respiratory apparatus
- A62B7/12—Respiratory apparatus with fresh-air hose
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- Health & Medical Sciences (AREA)
- Pulmonology (AREA)
- General Health & Medical Sciences (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Respiratory Apparatuses And Protective Means (AREA)
Abstract
The invention discloses an air supply device of a dust mask of a driver of a fully-mechanized roadheader, which comprises an air duct, an air nozzle, a filter pipe, an air supply control valve, an air supply hose connector, a hose, a dust mask and an air duct connector; an air nozzle is arranged in the air duct, an air supply hose connector is arranged on the air nozzle, and the tail end of the air supply hose connector is connected with a dustproof mask; the initial end of the air duct is connected to a fresh air fan outside a mine; the air duct is provided with air duct joints, and the air duct joints are arranged at equal intervals along the air duct; the distance between the air nozzle and the connector of the air duct in the downwind direction is 200 mm; the air nozzle is provided with a filter pipe, the tail end of the filter pipe is provided with an air supply hose interface, and the air supply hose interface is matched with the hose; and an air supply control valve is arranged on one side of the air supply hose connector. The invention has the characteristics of avoiding dust suction and ensuring the breath safety of underground operation of a driver of the fully-mechanized excavating machine.
Description
Technical Field
The invention relates to an air supply device for a dust-proof mask of a driver of a fully-mechanized excavating machine, in particular to an air supply device for a dust-proof mask of a driver of a fully-mechanized excavating machine, which can prevent dust from being sucked and ensure the safety of the underground operation of the driver of the fully-mechanized excavating machine.
Background
In the coal mining process, the dust concentration generated in the operation process of the fully-mechanized excavation face is high, the dust mask of the existing fully-mechanized excavation driver adopts compressed air for air supply, the dust mask is connected with an air supply pipeline through a thin plastic hose, although an oil removing device is arranged at the air supply section of the dust mask, the oil removing effect is not ideal, and peculiar smell still exists, so the utilization rate of the dust mask is not high; in addition, although the dust blocking rate of the traditional dust mask reaches about 95%, the filtering rate of dust (with the diameter of 2-3 μm) which has the greatest harm to the human body is very low, and the health of operators is still seriously threatened.
Disclosure of Invention
The invention aims to provide an air supply device of a dust mask of a driver of a fully-mechanized excavating machine, which can avoid dust suction and ensure the safety of the down-hole operation respiration of the driver of the fully-mechanized excavating machine.
The purpose of the invention can be realized by the following technical scheme:
a driver dust mask air supply device of a roadheader comprises an air duct, an air nozzle, a filter pipe, an air supply control valve, an air supply hose connector, a hose, a dust mask and an air duct connector;
an air nozzle is arranged in the air duct, an air supply hose connector is arranged on the air nozzle, and the tail end of the air supply hose connector is connected with a dustproof mask; the initial end of the air duct is connected to a fresh air fan outside a mine;
the air duct is provided with air duct joints, and the air duct joints are arranged at equal intervals along the air duct;
the distance between the air nozzle and the connector of the air duct in the downwind direction is 200 mm;
the air nozzle is provided with a filter pipe, the tail end of the filter pipe is provided with an air supply hose interface, and the air supply hose interface is matched with the hose;
and an air supply control valve is arranged on one side of the air supply hose connector.
The invention provides an air supply device of a dust mask of a driver of a fully-mechanized excavating machine, which has the characteristics of avoiding dust suction and ensuring the safety of underground operation respiration of the driver of the fully-mechanized excavating machine. The invention has the beneficial effects that: the fresh air outside the mine blows fresh air outside the mine into the air duct, the fresh air in the air duct passes through the surface of the air nozzle and supplies air to the air nozzle through the air pressure of the fresh air, and a driver of the comprehensive excavating machine in the mine breathes the fresh air from the air duct through the dust mask and the air nozzle through the hose, so that the phenomenon that the driver of the comprehensive excavating machine in the mine still sucks a small amount of dust to cause damage to the body is reduced; through verification, the air supply amount of the air nozzle can reach 30 liters per minute, and the breathing requirement of a driver of the roadheader can be completely met;
the air duct joint provides support for the air duct, and the air duct is distributed in an active area in a mine through the air duct joint;
the air duct joint is always arranged near the head of the tunneling working face;
the hose is connected with the filter pipe through an air supply hose connector, and the air nozzle is connected with fresh air in the air duct; fresh air absorbs water from the air nozzle, and is filtered by the filter pipe to filter dust, equipment oil mist and harmful substances, and then is sucked into the body of the driver of the roadheader from the air supply hose connector through the hose and the dustproof mask, so that the breath safety of the driver of the roadheader in the underground operation is ensured;
the dustproof mask is opened or closed by the air supply control valve to be communicated with the air duct, so that the service time of the filter pipe during non-operation is reduced, and the service life of a filter element in the filter pipe is prolonged; when non-operation, when the new fan of being connected with the dryer is closed, prevent that the dust in the mine from getting into the dryer through air supply hose interface from dust mask in, polluting in the dryer, cause later stage to use harm.
Drawings
In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.
Fig. 1 is a schematic structural diagram of a dustproof mask air supply device for a driver of a roadheader.
Detailed Description
The purpose of the invention can be realized by the following technical scheme:
a driver dust mask air supply device of a roadheader is disclosed, referring to figure 1, and comprises an air duct 1, an air nozzle 2, a filter pipe 3, an air supply control valve 4, an air supply hose connector 5, a hose 6, a dust mask 7 and an air duct connector 11;
an air nozzle 2 is arranged in the air duct 1, an air supply hose connector 5 is arranged on the air nozzle 2, and the tail end of the air supply hose connector 5 is connected with a dust mask 7; the initial end of the air duct 1 is connected to a fresh air fan outside a mine; the fresh air outside the mine is blown into the air duct 1 by the fresh air fan outside the mine, the fresh air in the air duct 1 passes through the surface of the air nozzle 2 and is pressed to the air nozzle 2 through fresh air to supply air, and a driver of the comprehensive mining machine in the mine breathes the fresh air from the air duct 1 through the air nozzle 2 through the dustproof mask 7 and the hose 6, so that the situation that the driver of the comprehensive mining machine in the mine still sucks a small amount of dust and damages the body is reduced; through verification, the air supply amount of the air nozzle 2 can reach 30 liters per minute, and the breathing requirement of a driver of the roadheader can be completely met;
the air duct 1 is provided with air duct joints 11, and the air duct joints 11 are arranged at equal intervals along the air duct 1; the air duct joint 11 provides support for the air duct 1, and the air duct 1 is distributed in an active area in the mine shaft through the air duct joint 11;
the distance between the air nozzle 2 and the downwind air duct joint 11 is 200 mm; the air duct joint 11 is always arranged near the head of the tunneling working face;
the air nozzle 2 is provided with a filter pipe 3, the tail end of the filter pipe 3 is provided with an air supply hose connector 5, and the air supply hose connector 5 is matched with a hose 6; the hose 6 is connected with the filter pipe 3 through an air supply hose connector 5, and the air nozzle 2 is connected with fresh air in the air duct 1; fresh air absorbs water from the air nozzle 2, and is filtered by the filter pipe 3 to filter dust, equipment oil mist and harmful substances, and then is sucked into the body of the driver of the roadheader from the air supply hose connector 5 through the hose 6 and the dustproof mask 7, so that the breathing safety of the driver of the roadheader in the underground operation is ensured;
an air supply control valve 4 is arranged on one side of the air supply hose connector 5, and the dustproof mask 7 is opened or closed through the air supply control valve 4 to be communicated with the interior of the air duct 1, so that the service time of the filter pipe 3 during non-operation is shortened, and the service life of a filter element in the filter pipe 3 is prolonged; during non-operation, when the new fan that is connected with dryer 1 closed, prevent that the dust in the mine from getting into dryer 1 in dust mask 7 through air feed hose interface 5, polluting in the dryer 1, causing later stage to use harm.
The working principle of the invention is as follows:
the invention is provided with a tuyere 2 in an air duct 1, an air supply hose connector 5 is arranged on the tuyere 2, and the tail end of the air supply hose connector 5 is connected with a dust mask 7; the initial end of the air duct 1 is connected to a fresh air fan outside a mine; the fresh air outside the mine is blown into the air duct 1 by the fresh air fan outside the mine, the fresh air in the air duct 1 passes through the surface of the air nozzle 2 and is pressed to the air nozzle 2 through fresh air to supply air, and a driver of the comprehensive mining machine in the mine breathes the fresh air from the air duct 1 through the air nozzle 2 through the dustproof mask 7 and the hose 6, so that the situation that the driver of the comprehensive mining machine in the mine still sucks a small amount of dust and damages the body is reduced; through verification, the air supply amount of the air nozzle 2 can reach 30 liters per minute, and the breathing requirement of a driver of the roadheader can be completely met;
the air duct joint 11 provides support for the air duct 1, and the air duct 1 is distributed in an active area in the mine shaft through the air duct joint 11;
the air duct joint 11 is always arranged near the head of the tunneling working face;
the hose 6 is connected with the filter pipe 3 through an air supply hose connector 5, and the air nozzle 2 is connected with fresh air in the air duct 1; fresh air absorbs water from the air nozzle 2, and is filtered by the filter pipe 3 to filter dust, equipment oil mist and harmful substances, and then is sucked into the body of the driver of the roadheader from the air supply hose connector 5 through the hose 6 and the dustproof mask 7, so that the breathing safety of the driver of the roadheader in the underground operation is ensured;
the dust mask 7 is opened or closed through the air supply control valve 4 and communicated with the interior of the air duct 1, so that the service time of the filter pipe 3 during non-operation is reduced, and the service life of a filter element in the filter pipe 3 is prolonged; during non-operation, when the new fan that is connected with dryer 1 closed, prevent that the dust in the mine from getting into dryer 1 in dust mask 7 through air feed hose interface 5, polluting in the dryer 1, causing later stage to use harm.
The invention provides an air supply device of a dust mask of a driver of a fully-mechanized excavating machine, which has the characteristics of avoiding dust suction and ensuring the safety of underground operation respiration of the driver of the fully-mechanized excavating machine. The invention has the beneficial effects that: the fresh air outside the mine blows fresh air outside the mine into the air duct, the fresh air in the air duct passes through the surface of the air nozzle and supplies air to the air nozzle through the air pressure of the fresh air, and a driver of the comprehensive excavating machine in the mine breathes the fresh air from the air duct through the dust mask and the air nozzle through the hose, so that the phenomenon that the driver of the comprehensive excavating machine in the mine still sucks a small amount of dust to cause damage to the body is reduced; through verification, the air supply amount of the air nozzle can reach 30 liters per minute, and the breathing requirement of a driver of the roadheader can be completely met;
the air duct joint provides support for the air duct, and the air duct is distributed in an active area in a mine through the air duct joint;
the air duct joint is always arranged near the head of the tunneling working face;
the hose is connected with the filter pipe through an air supply hose connector, and the air nozzle is connected with fresh air in the air duct; fresh air absorbs water from the air nozzle, and is filtered by the filter pipe to filter dust, equipment oil mist and harmful substances, and then is sucked into the body of the driver of the roadheader from the air supply hose connector through the hose and the dustproof mask, so that the breath safety of the driver of the roadheader in the underground operation is ensured;
the dustproof mask is opened or closed by the air supply control valve to be communicated with the air duct, so that the service time of the filter pipe during non-operation is reduced, and the service life of a filter element in the filter pipe is prolonged; when non-operation, when the new fan of being connected with the dryer is closed, prevent that the dust in the mine from getting into the dryer through air supply hose interface from dust mask in, polluting in the dryer, cause later stage to use harm.
The foregoing is merely exemplary and illustrative of the present invention and various modifications, additions and substitutions may be made by those skilled in the art to the specific embodiments described without departing from the scope of the invention as defined in the following claims.
Claims (5)
1. A dust mask air supply device for a driver of a roadheader comprises an air duct (1), an air nozzle (2), a filter pipe (3), an air supply control valve (4), an air supply hose connector (5), a hose (6), a dust mask (7) and an air duct connector (11), and is characterized in that;
an air nozzle (2) is arranged in the air duct (1), an air supply hose connector (5) is arranged on the air nozzle (2), and the tail end of the air supply hose connector (5) is connected with a dust mask (7); the initial end of the air duct (1) is connected to a fresh air fan outside a mine.
2. The air supply device of the driver dust mask of the roadheader as claimed in claim 1, wherein an air duct joint (11) is arranged on the air duct (1), and a plurality of air duct joints (11) are arranged at equal intervals along the air duct (1).
3. The air supply device of the driver dust mask of the roadheader as claimed in claim 2, wherein the distance between the air nozzle (2) and the air duct joint (11) in the downwind direction is 200 mm.
4. The air supply device of the driver dust mask of the roadheader as claimed in claim 1, wherein the air nozzle (2) is provided with a filter pipe (3), the end of the filter pipe (3) is provided with an air supply hose connector (5), and the air supply hose connector (5) is matched with the hose (6).
5. The wind supply device of the driver dust mask of the roadheader as claimed in claim 1, wherein a wind supply control valve (4) is arranged on one side of the wind supply hose interface (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010311594.3A CN111659047A (en) | 2020-04-20 | 2020-04-20 | Air supply device of dust mask for driver of roadheader |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010311594.3A CN111659047A (en) | 2020-04-20 | 2020-04-20 | Air supply device of dust mask for driver of roadheader |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111659047A true CN111659047A (en) | 2020-09-15 |
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ID=72382775
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010311594.3A Pending CN111659047A (en) | 2020-04-20 | 2020-04-20 | Air supply device of dust mask for driver of roadheader |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111659047A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104288928A (en) * | 2013-07-15 | 2015-01-21 | 王宽 | A mining air supply dust mask |
| CN207307005U (en) * | 2017-08-03 | 2018-05-04 | 肥城白庄煤矿有限公司 | Anti-dust mask device based on breathing gas under positive pressure |
| CN208465003U (en) * | 2018-04-25 | 2019-02-05 | 西安科技大学 | A kind of mining powered air-purifying formula anti-dust mask |
-
2020
- 2020-04-20 CN CN202010311594.3A patent/CN111659047A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104288928A (en) * | 2013-07-15 | 2015-01-21 | 王宽 | A mining air supply dust mask |
| CN207307005U (en) * | 2017-08-03 | 2018-05-04 | 肥城白庄煤矿有限公司 | Anti-dust mask device based on breathing gas under positive pressure |
| CN208465003U (en) * | 2018-04-25 | 2019-02-05 | 西安科技大学 | A kind of mining powered air-purifying formula anti-dust mask |
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| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200915 |