CN109847223B - Mining full-pneumatic portable air purification system - Google Patents
Mining full-pneumatic portable air purification system Download PDFInfo
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- CN109847223B CN109847223B CN201910062851.1A CN201910062851A CN109847223B CN 109847223 B CN109847223 B CN 109847223B CN 201910062851 A CN201910062851 A CN 201910062851A CN 109847223 B CN109847223 B CN 109847223B
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Abstract
A mining full-pneumatic portable air purification system comprises a mask body (7), an air storage tank (3) and a manual air compressing device (1), wherein the manual air compressing device is movably connected with an air inlet (18) at the bottom end of the air storage tank; the filter body comprises an air-permeable outer shell, a middle shell and an inner shell, a second cavity is formed between the middle shell and the inner shell, and a micro fan (10) and a micro pneumatic motor (14) are arranged in the second cavity and are connected through a transmission shaft (15); a high-precision filtering layer (9) is arranged in the center of the middle shell, and a two-way switch (12) and a speed regulation knob (13) are arranged on the outer wall of the middle shell; an ash discharge port (8) is formed in the outer shell, and a movable cover (17) is sleeved in the air outlet; the air inlet (21) of the micro pneumatic motor is communicated with the air outlet of the air storage tank through a conduit (6). The system can realize safe and high-precision filtering, active air suction, ash removal and self-rescue functions.
Description
Technical Field
The invention belongs to the technical field of mine air purification equipment, and particularly relates to a full-pneumatic portable air purification system for a mine.
Background
With the increase of the mechanization degree of a coal mine, the dust concentration of working places such as an underground coal mine tunneling working face and a fully mechanized coal mining working face generally exceeds the standard, so that the number of miners suffering from pneumoconiosis is increased year by year. At present, wearing the dust mask is one of the main measures for mine underground operators to prevent pneumoconiosis. However, when a common mining dust mask is worn, the following problems generally exist:
(1) the flowing air is filtered by the mask mainly by the breathing of a person, the better the filtering effect of the mask is, the higher the breathing resistance is, and along with the increase of wearing time, more and more dust is attached to the surface of the mask, the breathing resistance is higher and higher, the burden of normal breathing of miners is increased, unsmooth breathing is caused, a feeling of suffocation is generated, and the mask needs to be replaced by filter cotton once regularly, so that resources are wasted;
(2) at present, an active air supply type mask used on the ground mostly takes a storage battery as power, an electric system is adopted to easily generate electric sparks, and gas or dust explosion accidents are easily induced in high gas mines and coal and gas outburst mines;
(3) along with the increase of the mechanization degree of a coal mine, a large amount of mechanical equipment is used in workplaces such as a coal mine tunneling working face, a fully mechanized coal mining working face and the like, wherein the mechanical equipment comprises a diesel engine, the diesel engine can generate a large amount of diesel engine exhaust gas particles in the using process, the diesel engine exhaust gas particles contain a large amount of toxic and harmful substances, the health of miners is seriously threatened, and a special mask for filtering the diesel engine exhaust gas particles is not provided at present.
Disclosure of Invention
The invention aims to provide a mining full-pneumatic portable air purification system which can actively suck air and remove dust on the surface of a mask and a filter layer, so that the respiratory resistance of the mask body is reduced, the burden of normal breathing of miners is reduced, and the miners can feel smooth breathing; the mask can be reused, so that resources are saved; the system is safe to use and can filter the tail gas particles of the diesel engine.
In order to achieve the purpose, the invention provides a mining full-pneumatic portable air purification system which comprises a mask body, wherein the mask body comprises a filter body and hanging ropes arranged on two sides of the filter body; the filter body comprises an air-permeable outer shell, a middle shell and an inner shell, a first cavity is formed between the air-permeable outer shell and the middle shell, a second cavity is formed between the middle shell and the inner shell, a third cavity is formed between the inner shell and the face of a user, a micro fan and a micro pneumatic motor are arranged in the second cavity, the micro fan and the micro pneumatic motor are connected through a transmission shaft, one end of a central shaft of the transmission shaft is fixed at the top of the inner shell, a plurality of air holes are formed in the top of the inner shell, a micro pneumatic motor air inlet and an air pressure self-rescue air inlet are formed in the outer wall of the inner shell, and the air pressure self-rescue air inlet is communicated with the third cavity; the center of the top of the middle shell is provided with a high-precision filtering layer, and the outer wall of the middle shell is provided with a two-way switch for controlling the rotation direction of the micro pneumatic motor and a speed regulating knob for controlling the rotation speed of the micro pneumatic motor; an ash discharge port is formed in the outer shell, and a movable cover which is opened outwards is sleeved in the ash discharge port; the air inlet of the micro pneumatic motor or the compressed air self-rescue air inlet is communicated with the air outlet of the air storage tank through a guide pipe.
Preferably, the high-precision filtering layer is prepared from a PMMA fiber material with static electricity, and the pore of the high-precision filtering layer is less than 80 nm.
Furthermore, a quick-release connector is sleeved on the air inlet of the micro pneumatic motor, a quick plug-in connector is sleeved on the compressed air self-rescue air inlet, and the quick-release connector and the quick plug-in connector are both arranged on the outer wall of the inner shell; the guide pipe is connected with the air inlet of the micro pneumatic motor through a quick-release connector or is connected with the compressed air self-rescue air inlet through a quick plug connector.
Furthermore, the manual air compressing device is movably connected with the air inlet through the quick air inflation port.
Furthermore, the bottom of the gas storage tank is provided with a belt clamp, and a belt tied on the waist of a user penetrates through the belt clamp.
Compared with the prior art, the invention has the following advantages:
(1) the micro pneumatic motor is started by taking the high-pressure gas stored in the gas storage tank as power without taking electricity as power, so that the micro pneumatic motor is safe to use;
(2) according to the invention, the micro fan is driven by the micro pneumatic motor to rotate clockwise, so that fresh air flow is actively introduced into the interior of the inlet cover, the burden of breathing of miners is reduced, and the breathing of users is smooth;
(3) according to the mask, the micro fan is driven by the micro pneumatic motor to rotate anticlockwise, and when more dust is on the high-precision filter layer, the surface of the air-permeable outer shell and the dust attached to the high-precision filter layer can be cleaned, so that the resistance of the mask body is reduced, the regeneration of the high-precision filter layer is realized, and the high-precision filter layer can be reused;
(4) the invention uses the high-precision filter layer, has high filter precision and small resistance, and can filter the tail gas particles of the diesel engine;
(5) the invention can store gas manually, is convenient to wear, and can realize self-rescue function when a disaster happens underground; the invention is provided with the two-way switch and the speed regulation knob, and the operation is convenient and fast.
Drawings
FIG. 1 is a schematic representation of the use of the present invention;
FIG. 2 is a schematic structural view of the present invention;
FIG. 3 is a schematic structural view of the mask body of FIG. 2;
FIG. 4 is a schematic illustration of the stereo split structure of FIG. 3;
in the figure: 1. manual air compressing device, 2, pressure indicator, 3, the gas holder, 4, the quick charge port, 5, manual ball valve, 6, the pipe, 7, the gauze mask body, 8, the ash discharge mouth, 9, high accuracy filter layer, 10, miniature fan, 11, quick detach joint, 12, two-way switch, 13, the speed governing knob, 14, the miniature pneumatic motor, 15, the transmission shaft, 16, hang the rope, 17, the movable cover, 18, the air inlet, 19, the belt card, 20, the belt, 21, the miniature pneumatic motor air inlet, 22, quick plug joint, 23, the forced air inlet of saving oneself.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The mining full-pneumatic portable air purification system shown in fig. 1 to 4 comprises a mask body 7, wherein the mask body 7 comprises a filter body and hanging ropes 16 arranged on two sides of the filter body, the purification system further comprises an air storage tank 3 and a manual air compressing device 1, a pressure indicator 2 and an air outlet of the air storage tank are arranged at the top end of the air storage tank 3, the pressure indicator 2 is used for monitoring the pressure in the air storage tank 3 in real time, a manual ball valve 5 is arranged at the air outlet of the air storage tank, the manual ball valve 5 is used for adjusting the size of air flow, an air inlet 18 is arranged at the bottom end of the air storage tank 3, and the manual air compressing device 1 is movably connected with the air inlet 18;
the filter body comprises an air-permeable outer shell, a middle shell and an inner shell, a first cavity is formed between the air-permeable outer shell and the middle shell, a second cavity is formed between the middle shell and the inner shell, a third cavity is formed between the inner shell and the face of a user, a micro fan 10 and a micro pneumatic motor 14 are arranged in the second cavity, the micro fan 10 and the micro pneumatic motor 14 are connected through a transmission shaft 15, one end of a central shaft of the transmission shaft 15 is fixed at the top of the inner shell, a plurality of air holes are formed in the top of the inner shell, a micro pneumatic motor air inlet 21 and a compressed air self-rescue air inlet 23 are formed in the outer wall of the inner shell, and the compressed air self-rescue air inlet 23 is communicated with the third cavity; the top center of the middle shell is provided with a high-precision filtering layer 9, and the outer wall of the middle shell is provided with a two-way switch 12 for controlling the rotation direction of a micro pneumatic motor 14 and a speed regulating knob 13 for controlling the rotation speed of the micro pneumatic motor 14; an ash discharge port 8 is formed in the outer shell, and a movable cover 17 which is opened outwards is sleeved in the ash discharge port 8; the air inlet 21 of the micro pneumatic motor or the compressed air self-rescue air inlet 23 is communicated with the air outlet of the air storage tank through a guide pipe 6.
In order to improve the filtering effect of the high-precision filtering layer 9, the high-precision filtering layer 9 is made of a PMMA fiber material with static electricity, the pores of the high-precision filtering layer 9 are smaller than 80nm, and the high-precision filtering layer 9 can filter diesel engine exhaust particles.
In order to realize the quick separation of the guide pipe 6 and the micro pneumatic motor 14 and the quick connection of the guide pipe 6 and the compressed air self-rescue air inlet 23, the quick-release connector 11 is sleeved on the micro pneumatic motor air inlet 21, the quick-plug connector 22 is sleeved on the compressed air self-rescue air inlet 23, and the quick-release connector 11 and the quick-plug connector 22 are both arranged on the outer wall of the inner shell; the guide pipe 6 is connected with a miniature pneumatic motor air inlet 21 through a quick-release connector 11 or the guide pipe 6 is connected with a compressed air self-rescue air inlet 23 through a quick plug connector 22.
In order to quickly connect the manual air compressing device 1 and the air storage tank 3, the manual air compressing device 1 is movably connected with the air inlet 18 through the quick air charging port 4.
In order to facilitate wearing, the bottom of the air storage tank 3 is provided with a belt clip 19, and a belt 20 tied on the waist of a user penetrates through the belt clip 19.
The use process comprises the following steps: firstly, a manual ball valve 5 on an air storage tank 3 is opened, high-pressure airflow enters a micro pneumatic motor air inlet 21 through a guide pipe 6, a speed regulation knob 13 is reasonably adjusted according to the dust concentration under the working condition, a micro pneumatic motor 14 drives a micro fan 10 to rotate clockwise through a transmission shaft 15, external air under a coal mine firstly enters a first cavity through a breathable outer shell, then enters a second cavity through a filter layer 9, and finally enters a third cavity through a plurality of air holes formed in the top of an inner shell for breathing of a human body, so that the function of active air suction is realized; the gas exhaled by the human body is exhausted out of the mask body 7 along the plurality of air holes arranged on the top of the inner shell, the filter layer 9 and the air-permeable outer shell in sequence; after the dust removing mask is used for a period of time, as more and more dust is attached to the surface of the air-permeable outer shell and the filter layer 9, the resistance of the mask body 7 is increased, and the internal and external pressure difference is overlarge, at the moment, the two-way switch 12 and the movable cover 17 are opened, the micro pneumatic motor 14 drives the micro fan 10 to rotate anticlockwise, the gas inside the mask body 7 and the gas in the gas storage tank 3 flow to the outside of the mask body 7, the dust attached to the outside of the air-permeable outer shell and the dust adsorbed on the filter layer 9 are removed under the action of airflow, and the dust adsorbed on the filter layer 9 is discharged to the outside of the mask body 7 through the dust discharge port 8, so that the dust removing function and the regeneration of the filter layer 9 are realized, and the filter layer 9 is reused; when the two-way switch 12 and the movable cover 17 are closed, the micro-pneumatic motor 14 drives the micro-fan 10 to rotate clockwise, and airflow enters the interior of the inlet cover body 7; when the reading of the pressure indicator 2 on the air storage tank 3 is reduced to be close to 0MPa, the manual air compressing device 1 is installed through the quick air charging port 4 or the underground compressed air pipe is directly connected to store air for the air storage tank 3, and when the reading of the pressure indicator 2 is increased to a certain value, the connection between the air storage tank 3 and the manual air compressing device 1 or the connection between the air storage tank 3 and the compressed air pipe is quickly disconnected through the quick air charging port 4; when a disaster happens underground, the quick-release interface 11 is used for realizing the quick separation of the guide pipe 6 and the micro pneumatic motor 14, the quick connection of the guide pipe 6 and the compressed air self-rescue air inlet 23 is realized through the quick plug-in interface 22, and the speed regulation knob 13 is adjusted to perform compressed air self-rescue, so that the self-rescue function is realized.
Claims (5)
1. The utility model provides a mining full-pneumatic portable air purification system, includes gauze mask body (7), gauze mask body (7) including filter the body and set up string rope (16) in filter the body both sides, its characterized in that: the manual air compressing device is characterized by further comprising an air storage tank (3) and a manual air compressing device (1), wherein a pressure indicator (2) and an air outlet of the air storage tank are arranged at the top end of the air storage tank (3), a manual ball valve (5) is arranged at the air outlet of the air storage tank, an air inlet (18) is arranged at the bottom end of the air storage tank (3), and the manual air compressing device (1) is movably connected with the air inlet (18);
the filter body comprises an air-permeable outer shell, a middle shell and an inner shell, a first cavity is formed between the air-permeable outer shell and the middle shell, a second cavity is formed between the middle shell and the inner shell, a third cavity is formed between the inner shell and the face of a user, a micro fan (10) and a micro pneumatic motor (14) are arranged in the second cavity, the micro fan (10) and the micro pneumatic motor (14) are connected through a transmission shaft (15), one end of a central shaft of the transmission shaft (15) is fixed at the top of the inner shell, a plurality of air holes are formed in the top of the inner shell, a micro pneumatic motor air inlet (21) and a compressed air self-rescue air inlet (23) are formed in the outer wall of the inner shell, and the compressed air self-rescue air inlet (23) is communicated with the third cavity; a high-precision filtering layer (9) is arranged at the center of the top of the middle shell, and a two-way switch (12) for controlling the rotation direction of the micro pneumatic motor (14) and a speed regulating knob (13) for controlling the rotation speed of the micro pneumatic motor (14) are arranged on the outer wall of the middle shell; an ash discharge port (8) is formed in the outer shell, and a movable cover (17) which is opened outwards is sleeved in the ash discharge port (8); the air inlet (21) of the micro pneumatic motor or the compressed air self-rescue air inlet (23) is communicated with the air outlet of the air storage tank through a guide pipe (6).
2. The mining all-pneumatic portable air purification system according to claim 1, characterized in that: the high-precision filtering layer (9) is prepared from a PMMA fiber material with static electricity, and the pore of the high-precision filtering layer (9) is smaller than 80 nm.
3. The mining all-pneumatic portable air purification system according to claim 1 or 2, characterized in that: the miniature pneumatic motor is characterized in that a quick-release connector (11) is sleeved on the air inlet (21) of the miniature pneumatic motor, a quick plug-in connector (22) is sleeved on the compressed air self-rescue air inlet (23), and the quick-release connector (11) and the quick plug-in connector (22) are both arranged on the outer wall of the inner shell; the guide pipe (6) is connected with the air inlet (21) of the micro pneumatic motor through a quick-release connector (11) or the guide pipe (6) is connected with the compressed air self-rescue air inlet (23) through a quick plug connector (22).
4. The mining all-pneumatic portable air purification system according to claim 1 or 2, characterized in that: the manual air compressing device (1) is movably connected with the air inlet (18) through the quick air inflation port (4).
5. The mining all-pneumatic portable air purification system according to claim 1 or 2, characterized in that: the bottom of the gas storage tank (3) is provided with a belt clamp (19), and a belt (20) tied on the waist of a user penetrates through the belt clamp (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910062851.1A CN109847223B (en) | 2019-01-23 | 2019-01-23 | Mining full-pneumatic portable air purification system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910062851.1A CN109847223B (en) | 2019-01-23 | 2019-01-23 | Mining full-pneumatic portable air purification system |
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| Publication Number | Publication Date |
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| CN109847223A CN109847223A (en) | 2019-06-07 |
| CN109847223B true CN109847223B (en) | 2021-07-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910062851.1A Active CN109847223B (en) | 2019-01-23 | 2019-01-23 | Mining full-pneumatic portable air purification system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113398504B (en) * | 2021-06-21 | 2022-12-20 | 柳州市工人医院 | Protective mask for disaster relief |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203315579U (en) * | 2013-07-15 | 2013-12-04 | 王宽 | Mining air supply type dustproof mask |
| CN106388082A (en) * | 2016-09-20 | 2017-02-15 | 北京工业大学 | An anti-haze mask capable of supplying air actively through simple manual control of an air bag |
| CN206880964U (en) * | 2017-06-27 | 2018-01-16 | 兰永宏 | A kind of anti-dust respirator |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4421758A1 (en) * | 1994-06-22 | 1996-01-04 | Artur Foehl | Drive device for a belt tensioner |
| US5626132A (en) * | 1995-11-29 | 1997-05-06 | Miller; Elizabeth L. | Tracheal tube with built-in vocalization capability |
| CN205460547U (en) * | 2016-03-10 | 2016-08-17 | 吕菁菁 | From filling formula malleation air respirator |
| FR3067612B1 (en) * | 2017-06-16 | 2019-07-26 | Zodiac Aerotechnics | RESPIRATORY EQUIPMENT FOR AIRCRAFT WITH INFLATABLE MASK AND HARNESS AND ITS STORAGE SPACE. |
| CN108715169B (en) * | 2018-05-29 | 2019-11-01 | 西南交通大学 | A kind of rail vehicle air cleaning system |
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2019
- 2019-01-23 CN CN201910062851.1A patent/CN109847223B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203315579U (en) * | 2013-07-15 | 2013-12-04 | 王宽 | Mining air supply type dustproof mask |
| CN106388082A (en) * | 2016-09-20 | 2017-02-15 | 北京工业大学 | An anti-haze mask capable of supplying air actively through simple manual control of an air bag |
| CN206880964U (en) * | 2017-06-27 | 2018-01-16 | 兰永宏 | A kind of anti-dust respirator |
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| CN109847223A (en) | 2019-06-07 |
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