CN215057600U - Gas airflow driven impeller energy supply power collecting device - Google Patents
Gas airflow driven impeller energy supply power collecting device Download PDFInfo
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- CN215057600U CN215057600U CN202120887878.7U CN202120887878U CN215057600U CN 215057600 U CN215057600 U CN 215057600U CN 202120887878 U CN202120887878 U CN 202120887878U CN 215057600 U CN215057600 U CN 215057600U
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- impeller
- extraction pipe
- early warning
- power
- methane sensor
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Abstract
The utility model discloses a collection device of gas air current drive impeller energy supply relates to the device of mine current collection. The power collecting device for driving the impeller to supply power by gas flow is provided, so that the multi-stage utilization of gas energy is realized, electrical equipment such as an underground external power supply is effectively reduced, the utilization rate of the energy is improved, and potential safety hazards are reduced. The device is arranged in a drill hole for gas negative pressure extraction, and the electric energy generated by the conversion of the current collector is used for supplying power to the methane sensor 12 and the display early warning device 10; the current collection device comprises an extraction pipe 4, an impeller 3, a power generation mechanism, a quick connection tee joint 5 and an extraction pipe 9, the methane sensor 12 is fixedly connected in the extraction pipe 4 and is connected with the display early warning device 10, and the power generation mechanism is simultaneously connected with the methane sensor 12 and the display early warning device 10 and is used for supplying power to the methane sensor 12 and the display early warning device 10. Provides a new way for utilizing clean energy, and can effectively reduce underground circuit equipment.
Description
Technical Field
The utility model relates to a device of mine current collection, especially a current collection device of gas air current drive impeller.
Background
With the development of economy, the demand of energy is increasing, and especially the development and utilization of green clean energy have become important development directions. In the gas extraction process, how to utilize the gas flow as wind energy is solved, and the problems of low electric energy transmission efficiency, high potential safety hazard and the like caused by excessive underground external power supplies are solved.
According to statistics, the gas mined in 2020 of China is 11.5 billion cubic meters, and the reserves are large, so if the gas can be developed and utilized, the gas accidents in coal mines can be fundamentally prevented, the safety production of the coal mines can be improved, the harm can be changed into treasure, and the problem that the gas accidents frequently occur in the coal mining process can be avoided. In addition, the development and utilization of the gas can effectively reduce the emission of greenhouse gases and improve the atmosphere.
Disclosure of Invention
The utility model discloses to above problem, provided a collection device of gas air current drive impeller energy supply, realized the multistage utilization of the gas energy, effectively reduced electrical equipment such as external power supply in the pit, improved the utilization ratio of the energy, reduced the potential safety hazard.
The technical scheme of the utility model is that: the electric energy generated by the conversion of the current collector is used for supplying power to the methane sensor 12 and the display early warning device 10;
the current collecting device comprises an extraction pipe 4, an impeller 3, a power generation mechanism, a quick-connection tee joint 5 and an extraction pipe 9, wherein the extraction pipe 4 extends into the drill hole, and the outer wall of the extraction pipe 4 and the inner wall of the drill hole are kept sealed to form a hole sealing; the quick-connection tee joint 5 is fixedly connected to one end, extending out of the drill hole, of the extraction pipe 4, the quick-connection tee joint 5 is also fixedly connected with the extraction pipe 9 and the display early warning device 10, and the extraction pipe 9 is connected with a negative pressure source;
the power generation mechanism is detachably connected in the extraction pipe 4, the impeller 3 is connected with the power generation mechanism, and the power generation mechanism is driven by the impeller 3 to generate electric energy by virtue of gas flowing through the extraction pipe 4;
the methane sensor 12 is fixedly connected in the extraction pipe 4 and connected with the display early warning device 10, and the power generation mechanism is simultaneously connected with the methane sensor 12 and the display early warning device 10 and used for supplying power to the methane sensor 12 and the display early warning device 10.
The impeller is made of copper materials; the impeller is a three-blade impeller.
And the top and the bottom of the outer wall of the power generation mechanism are both provided with a guide plate 16, and the guide plates 16 are arranged in parallel to the axial direction of the extraction pipe 4.
The power generation mechanism is detachably connected in the extraction pipe 4 through an impeller bracket 7; the section of the impeller support 7 is rhombic, and the impeller support 7 is of a hollow structure.
The methane sensor adopts a miniature infrared methane sensor Cirius-1.
The power generation mechanism comprises an impeller rear groove 13, a rotating shaft 11, a generator 14 and a storage battery 15, wherein the impeller rear groove 13 is of a hollow structure and is fixedly connected inside the extraction pipe 4, the generator 14 and the storage battery 15 are both fixedly connected inside the impeller rear groove 13, the rotating shaft 11 is fixedly connected on an output shaft of the generator 14, the impeller 3 is arranged outside the impeller rear groove 13, and the center of the impeller 3 is fixedly connected with the rotating shaft 11;
the generator 14 is connected with a storage battery 15, and the storage battery 15 is simultaneously connected with the methane sensor 12 and the display early warning device 10.
The impeller 3 is positioned on one side of the power generation mechanism back to the quick-connection tee joint, and the impeller 3 is perpendicular to the axial direction of the extraction pipe 4.
And a hole sealing grouting material 8 is filled between the outer wall of the extraction pipe 4 and the inner wall of the drill hole.
The utility model discloses a current collection device is used for the mine to adopt the drilling that the gas negative pressure of "two stifles one notes" was taken out and is taken out the hole, installs gas air current driven copper impeller in the hole sealing, and the steel support passes through the steel base and can dismantle fixed the arranging with drilling, and impeller pivoted mechanical energy drives the generator operation and produces the electric energy and supply miniature infrared methane sensor Cirius-1 and show that early warning circuit device uses.
The utility model has the advantages that: in the gas negative pressure extraction process, the flowing characteristic of gas is effectively utilized, the utilization rate of gas energy can be fully improved, the impeller is made of an explosion-proof material, safety and reliability are realized, a new way is provided for clean energy utilization, underground circuit equipment can be effectively reduced, and monitoring of gas extraction concentration and alarming of hole sealing air leakage are realized through the miniature infrared methane sensor Cirius-1 and the display early warning circuit.
Drawings
Figure 1 is a schematic diagram of an embodiment of the present disclosure,
figure 2 is a schematic view of the structure of the impeller,
FIG. 3 is a workflow diagram showing early warning;
in the figure, 1 is a coal body, 2 is a gas flow, 3 is an impeller, 4 is an extraction pipe, 5 is a quick-connection tee joint, 6 is a drill hole, 7 is an impeller support and base structure, 8 is a hole sealing grouting material, 9 is a drainage pipe, 10 is a display early warning device, 11 is a rotating shaft, 12 is a methane sensor, 13 is an impeller rear groove, 14 is a generator, 15 is a storage battery, and 16 is a guide plate.
Detailed Description
In order to clearly explain the technical features of the present patent, the following detailed description of the present patent is provided in conjunction with the accompanying drawings.
The utility model is arranged in a drill hole for gas negative pressure extraction as shown in figures 1-3, and the electric energy generated by the conversion of the current collecting device is used for supplying power to a methane sensor 12 and a display early warning device 10;
the current collecting device comprises an extraction pipe 4, an impeller 3, a power generation mechanism, a quick-connection tee joint 5 and an extraction pipe 9, wherein the extraction pipe 4 extends into the drill hole, and the outer wall of the extraction pipe 4 and the inner wall of the drill hole are kept sealed to form a hole sealing; the quick-connection tee joint 5 is fixedly connected to one end, extending out of the drill hole, of the extraction pipe 4, the quick-connection tee joint 5 is also fixedly connected with the extraction pipe 9 and the display early warning device 10, and the extraction pipe 9 is connected with a negative pressure source; thus, after the drill hole 6 is arranged in the coal body 1, the extraction pipe 4 can be put in and a hole sealing is formed; then, opening a negative pressure source, and pumping out the gas 2 in the drill hole 6;
the power generation mechanism is detachably connected in the extraction pipe 4, the impeller 3 is connected with the power generation mechanism, and the power generation mechanism is driven by the impeller 3 to generate electric energy by virtue of gas flowing through the extraction pipe 4;
the methane sensor 12 is fixedly connected in the extraction pipe 4 and connected with the display early warning device 10, and the power generation mechanism is simultaneously connected with the methane sensor 12 and the display early warning device 10 and used for supplying power to the methane sensor 12 and the display early warning device 10. Therefore, in the gas extraction process, the impeller can be driven by utilizing the gas flow characteristic of the gas extraction system in a drill hole, the conversion of wind energy-mechanical energy-electric energy of gas is realized through the power generation mechanism, and the converted electric energy can be used for a methane sensor and a display early warning circuit in a gas extraction system, so that electrical equipment such as an underground external power supply and the like can be effectively reduced, and the utilization rate of energy can be improved.
The utility model discloses at gas drainage in-process, utilize its air current to utilize as the wind energy and be the effective way that improves gas energy utilization ratio, realize green clean energy utilization.
The impeller is made of copper materials, and the materials are wear-resistant and have a good explosion-proof function; the impeller is a three-blade impeller, and the structure has the advantages of high structural strength, low manufacturing cost, low noise, high wind energy utilization rate and the like.
And the top and the bottom of the outer wall of the power generation mechanism are both provided with a guide plate 16, and the guide plates 16 are arranged in parallel to the axial direction of the extraction pipe 4. Because the wind resistance is the reaction force for driving the impeller to rotate, the wind resistance is too large, the air flow is reduced, and the utilization rate of wind energy is reduced, so that the wind resistance needs to be adjusted. The guide plates 16 arranged above and below the impeller rear groove can promote the gas air flow to flow along the guide plates.
Meanwhile, the power generation mechanism is detachably connected in the extraction pipe 4 through an impeller bracket 7; the section of the impeller support 7 is rhombic, and the impeller support 7 is of a hollow structure. The impeller support 7 is of a rhombic hollow structure and is perpendicular to gas flow, and finally, the wind resistance can be greatly reduced through arrangement of the two structures, and the utilization rate of wind energy is improved.
The impeller support is made of steel and is high in bearing capacity, and the impeller support is mounted to be of a detachable structure, so that maintenance and replacement of the impeller are facilitated.
The methane sensor adopts a miniature infrared methane sensor Cirius-1. The volume is small, the sensitivity is high, and the response time is short.
In actual use, a plurality of impellers and a plurality of power generation mechanisms can be arranged in the extraction pipe 4, so that the generation and supply efficiency of electric energy is further improved, wherein each power generation mechanism comprises an impeller rear groove 13, a rotating shaft 11, a generator 14 and a storage battery 15, the impeller rear groove 13 is of a hollow structure and is fixedly connected in the extraction pipe 4, the generator 14 and the storage battery 15 are fixedly connected in the impeller rear groove 13, the rotating shaft 11 is fixedly connected on an output shaft of the generator 14, the impeller 3 is arranged outside the impeller rear groove 13, and the center of the impeller 3 is fixedly connected with the rotating shaft 11; therefore, after the negative pressure source is started, the gas flow in the gas extraction process directly drives the impeller to rotate, and then the generator is driven to work to charge the storage battery.
The generator 14 is connected with a storage battery 15, and the storage battery 15 is simultaneously connected with the methane sensor 12 and the display early warning device 10. Therefore, the electric energy generated by the generator can be temporarily stored through the storage battery, and the subsequent electric energy supply is realized.
The impeller 3 is positioned on one side of the power generation mechanism back to the quick-connection tee joint, and the impeller 3 is perpendicular to the axial direction of the extraction pipe 4. Thereby maximizing the use of wind energy.
And a hole sealing grouting material 8 is filled between the outer wall of the extraction pipe 4 and the inner wall of the drill hole. The hole sealing grouting material 8 is located at the outer hole of the drill hole 6, so that efficient sealing is formed between the outer wall of the extraction pipe 4 and the inner wall of the drill hole by means of the hole sealing grouting material 8.
The hole sealing of 'two plugs and one injection' is adopted, and when the fluctuation of the gas concentration is within 10%, the output of the early warning circuit is displayed to be green (+); when the gas concentration is reduced by more than 10%, the output of the display early warning circuit is red (-) and the alarm is given immediately, and the electric energy and the gas concentration parameters of the display early warning circuit are respectively provided by the current collecting device and the methane sensor which are connected with the display early warning circuit.
The method comprises the following specific steps:
the method comprises the following steps: drilling holes in a coal body, adopting a 'two-plugging one-injecting' method, selecting a high-water material as a hole sealing material to realize hole sealing of the drilled holes, sealing the holes compactly without leakage, installing a plurality of impellers in the drilled holes, connecting a quick-connection tee outside the drilled holes, and connecting the other two joints of the quick-connection tee with a drainage pipe and a display early warning device respectively. The impeller in the drill hole is detachably connected with the impeller support, the base structure and the hole sealing pipe, and the rear groove of the impeller is provided with a current collecting device (a generator and a storage battery) and a methane sensor.
Step two: under negative pressure extraction, gas flows through a driving impeller in the drilling pipe to further drive a rotating shaft connected with a generator to rotate, electric energy generated by the motor is stored by a storage battery, the stored energy is used for monitoring the concentration of the drilling gas by the miniature infrared methane sensor Cirius-1, the monitored concentration is transmitted to a display early warning circuit through an electric signal, the display early warning circuit carries out compiling and responding, and when the gas concentration fluctuation is within 10%, the output of the display early warning circuit is green (+); when the gas concentration is reduced by more than 10%, the output of the display early warning circuit is red (-) and the alarm is given immediately.
The present invention has many specific implementation ways, and the above description is only the preferred embodiment of the present invention, it should be noted that, for those skilled in the art, a plurality of improvements can be made without departing from the principles of the present invention, and these improvements should also be regarded as the protection scope of the present invention.
Claims (8)
1. The power collecting device for driving the impeller to supply power by gas flow is characterized by being arranged in a drill hole for performing gas negative pressure extraction, and electric energy generated by conversion of the power collecting device is used for supplying power to a methane sensor (12) and a display early warning device (10);
the current collecting device comprises an extraction pipe (4), an impeller (3), a power generation mechanism, a quick-connection tee joint (5) and a pumping pipe (9), wherein the extraction pipe (4) extends into the drill hole, and the outer wall of the extraction pipe (4) and the inner wall of the drill hole are kept sealed to form a hole sealing; the quick-connection tee joint (5) is fixedly connected to one end, extending out of the drill hole, of the extraction pipe (4), the quick-connection tee joint (5) is also fixedly connected with the extraction pipe (9) and the display early warning device (10), and the extraction pipe (9) is connected with a negative pressure source;
the power generation mechanism is detachably connected in the extraction pipe (4), the impeller (3) is connected with the power generation mechanism, and the power generation mechanism is driven by the impeller (3) with the help of gas flowing through the extraction pipe (4) to generate electric energy;
the methane sensor (12) is fixedly connected in the extraction pipe (4) and is connected with the display early warning device (10), and the power generation mechanism is connected with the methane sensor (12) and the display early warning device (10) at the same time and is used for supplying power to the methane sensor (12) and the display early warning device (10).
2. The collector device for supplying power to the impeller driven by the gas flow as claimed in claim 1, wherein the impeller is made of copper; the impeller is a three-blade impeller.
3. The power collecting device powered by the gas flow driven impeller according to claim 1, characterized in that the top and the bottom of the outer wall of the power generating mechanism are provided with guide plates (16), and the guide plates (16) are arranged in parallel with the axial direction of the extraction pipe (4).
4. The gas flow driven impeller powered electricity collecting device according to claim 1, characterized in that the electricity generating mechanism is detachably connected inside the extraction pipe (4) through an impeller bracket (7); the section of the impeller support (7) is rhombic, and the impeller support (7) is of a hollow structure.
5. A gas flow driven impeller powered electricity collection device as claimed in claim 1, wherein said methane sensor is a micro infrared methane sensor Cirius-1.
6. The gas flow driven impeller energy supply device according to claim 1, 2, 3, 4 or 5, wherein the power generation mechanism comprises an impeller rear groove (13), a rotating shaft (11), a generator (14) and a storage battery (15), the impeller rear groove (13) is of a hollow structure and is fixedly connected inside the extraction pipe (4), the generator (14) and the storage battery (15) are both fixedly connected inside the impeller rear groove (13), the rotating shaft (11) is fixedly connected on an output shaft of the generator (14), the impeller (3) is arranged outside the impeller rear groove (13), and the center of the impeller (3) is fixedly connected with the rotating shaft (11);
the generator (14) is connected with a storage battery (15), and the storage battery (15) is connected with the methane sensor (12) and the display early warning device (10) at the same time.
7. The power collecting device powered by the gas flow driven impeller according to claim 6, characterized in that the impeller (3) is positioned on one side of the power generating mechanism, which faces away from the quick-connection tee joint, and the impeller (3) is arranged perpendicular to the axial direction of the extraction pipe (4).
8. The power collecting device powered by the gas flow driven impeller according to the claim 1, 2, 3, 4 or 5, characterized in that hole sealing grouting material (8) is filled between the outer wall of the extraction pipe (4) and the inner wall of the drill hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120887878.7U CN215057600U (en) | 2021-04-27 | 2021-04-27 | Gas airflow driven impeller energy supply power collecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120887878.7U CN215057600U (en) | 2021-04-27 | 2021-04-27 | Gas airflow driven impeller energy supply power collecting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215057600U true CN215057600U (en) | 2021-12-07 |
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ID=79110337
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120887878.7U Expired - Fee Related CN215057600U (en) | 2021-04-27 | 2021-04-27 | Gas airflow driven impeller energy supply power collecting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215057600U (en) |
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2021
- 2021-04-27 CN CN202120887878.7U patent/CN215057600U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211207 |
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| CF01 | Termination of patent right due to non-payment of annual fee |