CN210599601U - Safety fan for coal mine ventilation - Google Patents
Safety fan for coal mine ventilation Download PDFInfo
- Publication number
- CN210599601U CN210599601U CN201921746223.7U CN201921746223U CN210599601U CN 210599601 U CN210599601 U CN 210599601U CN 201921746223 U CN201921746223 U CN 201921746223U CN 210599601 U CN210599601 U CN 210599601U
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- filter bag
- fan
- air inlet
- air
- filter
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Abstract
The utility model provides a safety fan for coal mine ventilation, which comprises a fan shell; two support frames are fixedly and symmetrically arranged at the bottom of the fan shell; seven filter bag supporting frames are fixedly arranged on the other side of the air inlet baffle through welding; and the outer sides of the filter bag support frames are all fixedly provided with a filter bag. The setting of filter bag, be favorable to improving the efficiency of airing exhaust, when using this device to arrange wind to the colliery inside, it fixes the outside at the filter bag support frame to tie up the filter bag with the steel wire earlier, and switch on the power and open the fan, at this moment the air in the colliery can be earlier through the filter bag filter back reentrant air-supply line, the air after the filtration like this will the inside dust that mix with that significantly reduces, and seven filter bags filter simultaneously, with the area greatly increased of air contact, consequently, can obviously increase the air intake, improve the efficiency of airing exhaust, and the dust in the filter bag outside only need patt gently can fall, it is also very convenient to clear up.
Description
Technical Field
The utility model belongs to the technical field of the fan, more specifically say, in particular to safety fan is used in colliery ventilation.
Background
The fan is a driven machine which is used for ventilation, dust exhaust and cooling of factories, mines, tunnels, cooling towers, vehicles, ships and buildings, and has wide application.
For example, the patent with the application number of 201720869757.3 discloses a safety fan for ventilation of coal mines, which comprises a base, a fan body, a fan, fan blades, a polytetrafluoroethylene layer, a motor, a filter device, a gas sensor, an alarm device, an indicator light and a loudspeaker, wherein the fan body is arranged above the base, the fan is arranged on a rotating shaft, the polytetrafluoroethylene layer is bonded on the outer side of the fan blades of the fan, one end of the rotating shaft is connected with the motor, the filter device is arranged on the side surface of a motor cover, the alarm device is arranged on the top surface of the fan body, the gas sensor is arranged on the side surface of the alarm device, the indicator light and the loudspeaker are arranged on the top surface of the alarm device, the utility model has the advantages of scientific and reasonable structure, safe and convenient use, the filter device is arranged in the fan body, the pipeline blockage is avoided, the polytetrafluoroethylene layer, reminding workers and guaranteeing the life safety of the workers.
Based on the above search, the above patent is combined with most coal mine ventilation fans in the prior art, and the following problems exist when the coal mine ventilation fans are used: present colliery ventilation fan is in order to avoid inside fan to float more dust, so install the filter screen in the intake stack mouth and filter the dust, nevertheless can reduce air flow by a wide margin behind the installation filter screen, and intake stack mouth size is less again, consequently can reduce the efficiency of airing exhaust, and the dust on the filter is difficult clearance yet.
Therefore, in view of the above, research and improvement are made for the existing structure and defects, and a safety fan for coal mine ventilation is provided, so as to achieve the purpose of higher practical value.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a safety fan is used in colliery ventilation to solve present colliery ventilation fan and float more dust in order to avoid inside fan, so install filter screen filtration dust in the intake stack mouth, nevertheless can reduce substantially the air mass flow behind the installation filter screen, and intake stack mouth size is less again, consequently can reduce the efficiency of airing exhaust, the dust of also difficult clearance on the filter problem.
The utility model discloses colliery is safe fan's for ventilation purpose and efficiency is reached by following concrete technological means:
a safety fan for coal mine ventilation comprises a fan shell; two support frames are fixedly and symmetrically arranged at the bottom of the fan shell; the inner side of the fan shell is also fixedly provided with a fan; one side of the fan shell is fixedly provided with an air outlet pipe through a bolt; an air inlet pipe is fixedly arranged on the other side of the fan shell through a bolt; the other side of the air inlet pipe is fixedly connected with an air inlet baffle plate; seven filter bag supporting frames are fixedly arranged on the other side of the air inlet baffle through welding; and the outer sides of the filter bag support frames are all fixedly provided with a filter bag.
Furthermore, the air inlet pipe is of a tubular structure with one thick side and one thin side, and the size of the side where the air inlet baffle plate is located is large.
Furthermore, the filter bag support frame is fixed arrangement in an annular array, and the inner sides of the welding positions of the air inlet baffle and the filter bag support frame are provided with a circular hole.
Furthermore, one side of the filter bag support frame is provided with a closed semicircular cover, the other side of the filter bag support frame is provided with a circular ring welded with the air inlet baffle, the middle of the filter bag support frame is fixedly connected with the air inlet baffle through four vertical bars, and the filter bag is supported on the outer side of the filter bag support frame.
Furthermore, the sum of the sizes of the outer sides of the filter bags contacted with air is larger than the section size of the air inlet baffle.
Compared with the prior art, the utility model discloses following beneficial effect has:
the setting of filter bag, be favorable to improving the efficiency of airing exhaust, when using this device to arrange wind to the colliery inside, it fixes the outside at the filter bag support frame to tie up the filter bag with the steel wire earlier, and switch on the power and open the fan, at this moment the air in the colliery can be earlier through the filter bag filter back reentrant air-supply line, the air after the filtration like this will the inside dust that mix with that significantly reduces, and seven filter bags filter simultaneously, with the area greatly increased of air contact, consequently, can obviously increase the air intake, improve the efficiency of airing exhaust, and the dust in the filter bag outside only need patt gently can fall, it is also very convenient to clear up.
Drawings
Fig. 1 is a schematic diagram of the right-side structure of the present invention.
Fig. 2 is a schematic diagram of the left-side structure of the present invention.
Fig. 3 is a schematic diagram of the right-side view structure of the present invention.
Fig. 4 is a schematic diagram of the structure of the filter bag of the present invention taken down from the shaft side.
In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:
1. a fan housing; 2. an air outlet pipe; 3. a support frame; 4. an air inlet pipe; 5. an air inlet baffle plate; 6. a filter bag; 7. a fan; 8. a filter bag support frame.
Detailed Description
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example (b):
as shown in figures 1 to 4:
the utility model provides a safety fan for coal mine ventilation, which comprises a fan shell 1; the bottom of the fan shell 1 is fixedly and symmetrically provided with two support frames 3; a fan 7 is fixedly arranged on the inner side of the fan shell 1; one side of the fan shell 1 is fixedly provided with an air outlet pipe 2 through a bolt; an air inlet pipe 4 is fixedly arranged on the other side of the fan shell 1 through a bolt; the air inlet pipe 4 is of a tubular structure with one thick side and one thin side, and the size of the side where the air inlet baffle plate 5 is positioned is large, so that the overall size of the air inlet baffle plate 5 is increased, the number of the filter bags 6 to be installed can be increased, and the air inlet efficiency is improved; the other side of the air inlet pipe 4 is fixedly connected with an air inlet baffle plate 5; seven filter bag supporting frames 8 are fixedly arranged on the other side of the air inlet baffle 5 through welding; the filter bag support frames 8 are fixedly arranged in an annular array, a circular hole is formed in the inner side of the welding position of the air inlet baffle plate 5 and the filter bag support frame 8, when the filter bag type coal mine air filter is used, the filter bag 6 is fastened and fixed on the outer side of the filter bag support frame 8 through a steel wire, a power supply is connected, the fan 7 is started, and then air in a coal mine firstly passes through the filter bag 6 to be filtered and then enters the air inlet pipe 4 through the circular hole in the air inlet baffle plate 5, so that filtering is completed; the outer sides of the filter bag supporting frames 8 are all fixedly provided with a filter bag 6.
Wherein, one side of the filter bag support frame 8 is a closed semicircular cover, the other side is a circular ring welded with the air inlet baffle 5, the middle part is fixedly connected through four vertical bars, and the filter bag 6 is supported at the outer side of the circular ring, and the support of the filter bag support frame 8 to the filter bag 6 is better.
The sum of the sizes of the outer sides of the filter bags 6 contacting with air is larger than the section size of the air inlet baffle 5, seven filter bags 6 simultaneously filter during work, and the area contacting with air is greatly increased, so that the air suction amount can be obviously increased, and the air exhaust efficiency is improved.
The specific use mode and function of the embodiment are as follows:
the utility model discloses in, when using this device to carry out the exhaust to the colliery inside, tighten the outside of fixing at filter bag support frame 8 through the steel wire with filter bag 6 earlier, and switch on the power and open fan 7, at this moment the air in the colliery can be earlier through filter bag 6 filtration back reentrant air-supply line 4, the air after the filtration like this will the inside dust that mix with that significantly reduces, and seven filter bags 6 filter simultaneously, with the area greatly increased of air contact, consequently, the air suction volume can obviously be increased, the efficiency of airing exhaust is improved, and the dust in the 6 outsides of filter bag only need pat gently and can fall down, it is also very convenient to clear up.
The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.
Claims (5)
1. The utility model provides a colliery is safe fan for ventilation which characterized in that: comprises a fan casing (1); the bottom of the fan shell (1) is fixedly and symmetrically provided with two support frames (3); a fan (7) is fixedly arranged on the inner side of the fan shell (1); an air outlet pipe (2) is fixedly arranged on one side of the fan shell (1) through a bolt; an air inlet pipe (4) is fixedly arranged on the other side of the fan shell (1) through a bolt; the other side of the air inlet pipe (4) is fixedly connected with an air inlet baffle plate (5); seven filter bag supporting frames (8) are fixedly arranged on the other side of the air inlet baffle plate (5) through welding; the outer sides of the filter bag supporting frames (8) are all fixedly provided with a filter bag (6).
2. The safety fan for ventilation of coal mines as set forth in claim 1, wherein: the air inlet pipe (4) is of a tubular structure with one thick side and one thin side, and the size of the side where the air inlet baffle plate (5) is located is large.
3. The safety fan for ventilation of coal mines as set forth in claim 1, wherein: the filter bag support frame (8) is fixedly arranged in an annular array, and a circular hole is formed in the inner side of the welding position of the air inlet baffle plate (5) and the filter bag support frame (8).
4. The safety fan for ventilation of coal mines as set forth in claim 1, wherein: one side of the filter bag support frame (8) is provided with a closed semicircular cover, the other side of the filter bag support frame is provided with a circular ring welded with the air inlet baffle plate (5), the middle of the filter bag support frame is fixedly connected with the air inlet baffle plate through four vertical bars, and the filter bag (6) is supported on the outer side of the filter bag support frame.
5. The safety fan for ventilation of coal mines as set forth in claim 1, wherein: the sum of the sizes of the outer sides of the filter bags (6) contacting with air is larger than the section size of the air inlet baffle plate (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921746223.7U CN210599601U (en) | 2019-10-17 | 2019-10-17 | Safety fan for coal mine ventilation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921746223.7U CN210599601U (en) | 2019-10-17 | 2019-10-17 | Safety fan for coal mine ventilation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210599601U true CN210599601U (en) | 2020-05-22 |
Family
ID=70693596
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921746223.7U Expired - Fee Related CN210599601U (en) | 2019-10-17 | 2019-10-17 | Safety fan for coal mine ventilation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210599601U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112963386A (en) * | 2021-05-18 | 2021-06-15 | 眉山市科跃工业自动化设备有限公司 | Integrated filtering air inlet system |
-
2019
- 2019-10-17 CN CN201921746223.7U patent/CN210599601U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112963386A (en) * | 2021-05-18 | 2021-06-15 | 眉山市科跃工业自动化设备有限公司 | Integrated filtering air inlet system |
| CN112963386B (en) * | 2021-05-18 | 2021-08-03 | 眉山市科跃工业自动化设备有限公司 | Integrated filtering air inlet system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200522 Termination date: 20201017 |
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| CF01 | Termination of patent right due to non-payment of annual fee |