CN217872880U - Mine air supply system based on high altitude - Google Patents
Mine air supply system based on high altitude Download PDFInfo
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- CN217872880U CN217872880U CN202221854822.2U CN202221854822U CN217872880U CN 217872880 U CN217872880 U CN 217872880U CN 202221854822 U CN202221854822 U CN 202221854822U CN 217872880 U CN217872880 U CN 217872880U
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Abstract
The utility model discloses a mine air supply system based on high altitude, which comprises an electrolytic bath, an air supply pipeline, a heater and a control system; an oxygen outlet of the electrolytic cell is communicated with an air supply pipeline through an oxygen supplementing pipeline, an exhaust fan is arranged on the air supply pipeline, and an air filtering device is arranged at an air inlet end of the air supply pipeline; the heater is arranged on the air supply pipeline and used for heating air in the air supply pipeline; the control system comprises a temperature sensor arranged at the air exhaust end of the air supply pipeline, an oxygen detector arranged in the mine and a first controller for controlling the opening and closing of the electrolytic cell, the heater and the exhaust fan, wherein the temperature sensor and the oxygen detector are both connected with the first controller; the utility model discloses simple structure, practical convenient utilizes the electrolysis trough that sets up to improve the oxygen content that gets into the mine air, utilizes the heater of setting to guarantee the temperature that gets into the mine air, and then ensures operational environment quality and operational environment safety of operator under the mine.
Description
Technical Field
The utility model relates to a technical field of mine air supply, more specifically says so and relates to a mine air supply system based on high altitude.
Background
The purpose of mine air supply is to convey fresh air on the earth surface underground, increase the oxygen concentration, dilute and remove toxic and harmful gas and dust in the mine, and the basic task of mine air supply is as follows: enough fresh air is supplied to the underground to meet the requirement of personnel on oxygen; harmful gas and dust in the well are diluted, and safe production is ensured; underground climate is adjusted to create a good working environment; the existing air supply systems mainly directly suck external air of a mine, and have no capacity of active oxygen supplementation, and because the oxygen content in the air of a high-altitude area is low, the requirement of underground workers on oxygen is difficult to meet by directly sucking the external air into the mine; meanwhile, in order to prevent the cold air from entering a shaft and then being drenched by the shaft and being frozen by humid air, the cold air is difficult to promote transportation, threatens safe production, worsens underground climate conditions and influences the health of workers, a boiler is often used for heating input air in the existing air supply system, the quantity of burning coal is large, more resources are wasted, the energy-saving and environment-friendly advocate in the current society is not met, and the high-altitude area cold air supply system is not suitable for long-term development and use;
based on the above problems, there is an urgent need for a mine air supply system based on high altitude.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a solve the problem that provides among the above-mentioned background art, provide a based on high altitude is with mine air supply system.
The utility model discloses a following technical scheme realizes:
a mine air supply system based on high altitude comprises an electrolytic bath, an air supply pipeline, a heater and a control system;
an oxygen outlet of the electrolytic cell is communicated with an air supply pipeline through an oxygen supplementing pipeline, an exhaust fan is arranged on the air supply pipeline, and an air filtering device is arranged at an air inlet end of the air supply pipeline;
the heater is arranged on the air supply pipeline and used for heating air in the air supply pipeline;
the control system comprises a temperature sensor arranged at the air exhaust end of the air supply pipeline, an oxygen detector arranged in the mine and a first controller used for controlling the opening and closing of the electrolytic cell, the heater and the exhaust fan, wherein the temperature sensor and the oxygen detector are both connected with the first controller.
Preferably, the mine air supply system based on high altitude further comprises a power supply system for supplying power to the electrolytic bath, the heater, the exhaust fan and the control system.
Preferably, the power supply system comprises a solar power generation device, a storage battery, a voltage detection device, a first control switch, a second control switch and a second controller;
the power supply input end of the first control switch is connected with the storage battery, the power supply input end of the second control switch is connected with an alternating current power supply, and the power supply output ends of the first control switch and the second control switch are respectively connected with the electrolytic bath, the heater, the exhaust fan and the first controller;
the voltage detection device is used for detecting the output voltage of the storage battery and is connected with the signal input end of the second controller, and the signal output end of the second controller is respectively connected with the first control switch and the second control switch.
Preferably, the heater comprises an electric heating pipe and a gas heating device, and a gas supply port of the gas heating device is communicated with a hydrogen outlet of the electrolytic cell through a gas supply pipeline.
Preferably, the filtering device comprises a filtering cavity, an air inlet pipe and an air suction pump communicated with the air inlet pipe, the air suction pump is started and stopped through a first controller, and the power supply input end is respectively connected to a first control switch and a second control switch;
the bottom of filter chamber have the escape orifice, the top has gas vent and water filling port, and inside has the drainage, the exhaust end of intake pipe extends into the filter chamber and submerges in filtering the aquatic, the air inlet end of blast pipe switches on the exhaust orifice, the volume of drainage be no longer than the volumetric two-thirds of filter chamber.
Preferably, the bottom of the electrolytic cell is provided with a drain pipe, and the drain end of the drain pipe is provided with a filter tank;
the filter comprises a filter cavity, a water supply pipeline, a water pump, a first controller and a power supply input end, wherein the bottom of the filter cavity is also provided with a water filling port, the filter tank is provided with at least two water outlets, one water outlet is communicated with the water filling port at the bottom of the filter cavity through the water supply pipeline, the water supply pipeline is provided with the water pump, the water pump is opened and closed through the first controller, and the power supply input end is respectively connected to the first control switch and the second control switch.
Preferably, the water supply pipeline and the oxygen supplementing pipeline are both provided with one-way valves.
Preferably, a part of the air supply pipeline, which is positioned at the air inlet end and reaches the heater, traverses the electrolytic bath;
the electrolytic cell comprises an anode tank and a cathode tank, through holes for the air supply pipeline to pass through are formed in the anode tank and the cathode tank, and the air supply pipeline and the through holes are sealed.
Preferably, the shape of the air supply duct crossing the anode groove and the cathode groove is the same as the shape of the serpentine tube.
Compared with the prior art, the utility model, following advantage and beneficial effect have:
the utility model discloses simple structure, practical convenient utilizes the electrolysis trough that sets up to improve the oxygen content that gets into the mine air, utilizes the heater of setting to guarantee the temperature that gets into the mine air, and then ensures operational environment quality and operational environment safety of operator under the mine.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts, and the drawings described herein are used to provide further understanding of the embodiments of the present invention, and form a part of this application, and do not constitute a limitation to the embodiments of the present invention.
FIG. 1 is a block diagram of the working principle of the present invention;
FIG. 2 is a schematic structural view of an electrolytic cell of the present invention;
fig. 3 is a circuit block diagram of the power supply system of the present invention;
fig. 4 is a control block diagram of the control system of the present invention.
Description of reference numerals:
1. the device comprises an electrolytic cell, 11, an oxygen supplementing pipeline, 12, a fuel gas supply pipeline, 13, a water discharge pipe, 14, a through hole, 2, an air supply pipeline, 3, a heater, 31, a heating pipe, 32, a fuel gas heating device, 41, a first controller, 42, a temperature sensor, 43, an oxygen detector, 5, an exhaust fan, 6, an air filtering device, 61, a filtering cavity, 62, an air inlet pipe, 63, an air suction pump, 71, a solar power generation device, 81, a water pump, 72, a storage battery, 73, a voltage detection device, 74, a first control switch, 75, a second control switch, 76, a second controller, 8, a filtering pool, 9, a water supply pipeline, 91, a water pump, 10 and a one-way valve.
Detailed Description
In order that the objects, aspects and advantages of the invention will become more apparent, embodiments of the invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention. On the contrary, the embodiments of the invention include all changes, modifications and equivalents coming within the spirit and terms of the claims appended hereto.
Example 1:
the mine air supply system based on the high altitude as shown in figure 1 comprises an electrolytic cell 1, an air supply pipeline 2, a heater 3 and a control system, wherein the electrolytic cell 1 is used for preparing oxygen, the air supply pipeline 2 is used for supplying air into a mine, and the heater 3 is used for heating the air passing through the air supply pipeline 2;
an oxygen outlet of the electrolytic cell 1 is communicated with an air supply pipeline 2 through an oxygen supplementing pipeline 11, so that oxygen can enter the air supply pipeline 2 and then is conveyed into a mine, a one-way valve 10 is arranged on the oxygen supplementing pipeline 11, the direction in which gas on the oxygen supplementing pipeline 11 can flow is limited, an exhaust fan 5 is arranged on the air supply pipeline 2, it is ensured that air can enter the mine through the air supply pipeline 2, an air filtering device 6 is arranged at an air inlet end of the air supply pipeline 2, and the quality of the air entering the air supply pipeline 2 is ensured through the arranged filtering device 6;
the heater 3 is arranged on the air supply pipeline 2 and used for heating air in the air supply pipeline 2, the heater 3 comprises an electric heating pipe 31 and a fuel gas heating device 32, an air supply port of the fuel gas heating device 32 is communicated with a hydrogen outlet of the electrolytic cell 1 through a fuel gas supply pipeline 12, fuel adopted by the fuel gas heating device 32 is hydrogen generated by the electrolytic cell 1, and therefore energy utilization is fully achieved, specifically, two heating modes of electricity and fuel gas are combined and coordinated with each other, heating quality is guaranteed, meanwhile, consumption of electric energy is reduced, and hydrogen generated during preparation of the electrolytic cell 1 is fully utilized;
as shown in fig. 4, the control system comprises a temperature sensor 42 arranged at the air exhaust end of the air supply pipeline 2, an oxygen detector 43 arranged in the mine and a first controller 41 for controlling the opening and closing of the electrolytic cell 1, the heater 3 and the exhaust fan 5, wherein the temperature sensor 42 and the oxygen detector 43 are both connected with the first controller 41;
before use, inputting the range value of the temperature of the supplied air and the range value of the oxygen content in the mine into the first controller 41, and in the use process, detecting the temperature of the air exhaust end of the air supply pipeline 2 in real time by the temperature sensor 42 and feeding back the temperature to the first controller 41, wherein the temperature of the supplied air is adjusted by the first controller 41 through controlling the heater 3; meanwhile, the oxygen detector 43 detects the oxygen content of the air in the mine in real time and feeds the oxygen content back to the first controller 41, and the first controller 41 controls the opening and closing of the electrolytic cell 1 to adjust the oxygen content of the air in the mine.
Example 2:
on the basis of embodiment 1, the mine air supply system based on high altitude further comprises a power supply system for supplying power to the electrolytic cell 1, the heater 3, the exhaust fan 5 and the control system, as shown in fig. 3, the power supply system comprises a solar power generation device 71, a storage battery 72, a voltage detection device 73, a first control switch 74, a second control switch 75 and a second controller 76, wherein the storage battery 72 is used for storing the power converted by the solar power generation device 71;
the power supply input end of the first control switch 74 is connected with the storage battery 72, the power supply input end of the second control switch 75 is connected with an alternating current power supply, and the power supply output ends of the first control switch 74 and the second control switch 75 are respectively connected with the electrolytic cell 1, the heater 3, the exhaust fan 5 and the first controller 41, so that the power supply system can select solar power supply and alternating current power supply, and further the use of the alternating current power supply is reduced;
the voltage detection device 73 is used for detecting the output voltage of the storage battery 72 and is connected with a signal input end of the second controller 76, a signal output end of the second controller 76 is respectively connected with the first control switch 74 and the second control switch 75, the voltage detection device 73 detects the output voltage information of the storage battery 72 in real time and feeds the output voltage information back to the second controller 76, and then the electric quantity in the storage battery 72 is judged, so that whether the alternating current power supply is used for supplying power is judged;
in the implementation process, the electric energy converted by the solar power generation device 71 is supplied to the mine air supply system based on the high altitude through the storage battery 72 for use, redundant electric energy is stored through the storage battery 72 and is supplied to the mine air supply system based on the high altitude under the condition of poor illumination, in the discharging process of the storage battery 72, the voltage detection device 73 detects the output voltage information of the storage battery 72 in real time and feeds the output voltage information back to the second controller 76, the voltage range value of the storage battery 72 in normal use is stored in the second controller 76, when the detected voltage value is lower than the voltage range value in normal use, the second controller 76 disconnects the power supply circuit of the storage battery 72 through the first control switch 74, and simultaneously controls the second control switch 74 to be connected with the power supply circuit of the alternating current power supply; when the detected voltage value reaches the voltage range value in normal use, the second controller 76 connects the power supply circuit of the secondary battery 72 through the first control switch 74, and controls the second control switch 74 to disconnect the power supply circuit of the alternating-current power supply.
Example 3:
on the basis of embodiment 3, a specific structure of the filtering device 6 is disclosed, as shown in fig. 1, the filtering device 6 includes a filtering chamber 61, an air inlet pipe 62 and an air suction pump 63 connected to the air inlet pipe 62, the air suction pump 63 is turned on and off by a first controller 41, a power input end is connected to a first control switch 74 and a second control switch 75, specifically, the bottom of the filtering chamber 61 has a drain outlet, the top has an air outlet and a water inlet, and the interior has filtered water, an air outlet end of the air inlet pipe 62 extends into the filtering chamber 61 and is submerged into the filtered water, an air inlet end of the air supply pipe 2 is connected to the air outlet, the amount of the filtered water is not more than two thirds of the volume of the filtering chamber 61, specifically, air outside the mine is injected into the filtered water by the air inlet pipe 62 through the air suction pump 63, dust particles in the filtered water are cleaned, clean air is collected at the top of the filtering chamber 61, and further, when the high altitude-based mine air supply system works, the quality of the air supply pipe 2 conveying into the mine is ensured.
Example 4:
on the basis of the embodiment 3, further, as shown in fig. 1, the bottom of the electrolytic cell 1 is provided with a drain pipe 13 for replacing the water in the electrolytic cell 1, and the drain end of the drain pipe 13 is provided with a filter tank 8 for filtering impurities in the water drained from the electrolytic cell 1;
the bottom of the filter cavity 61 is also provided with a water filling port, the filter tank 8 is provided with at least two water discharging ports, one water discharging port is communicated with the water filling port at the bottom of the filter cavity 61 through a water feeding pipeline 9, the water feeding pipeline 9 is provided with a water pump 91, the water pump 91 is opened and closed through a first controller 41, the power input end is respectively connected with a first control switch 74 and a second control switch 75, the water feeding pipeline 9 is also provided with a one-way valve 10 to limit the water flowing direction in the water feeding pipeline 9 and avoid backflow;
the water discharged from the electrolytic cell 1 is treated by the filter tank 8 and then is conveyed to the filter cavity 61 by the water pump 91 and the water conveying pipeline 9 to be used by the filter device 6 for cleaning dust particles carried in the air, so that secondary utilization is realized, and the consumption of water energy is reduced.
Example 5:
in any of embodiments 1-4, further, as shown in fig. 2, a portion of the air supply duct 2 from the air inlet end to the heater 3 traverses the electrolytic cell 1, and the air supply duct 2 traverses the electrolytic cell 1 to form a simple heat exchanger, so that the air supply duct 2 can take away a portion of heat energy generated by the electrolytic cell 1 during operation, and simultaneously can raise the temperature of air in the air supply duct 2, thereby reducing the consumption of electric energy by the heater 3; specifically, the electrolytic cell 1 includes an anode tank and a cathode tank, through holes 14 for the air supply duct 2 to pass through are formed in both the anode tank and the cathode tank, and the air supply duct 2 and the through holes 14 are sealed.
Preferably, in order to improve the heat exchange efficiency of the air supply duct 2 when it traverses the electrolytic bath 1, the shape of the air supply duct 2 traversing the anode and cathode tanks is the same as the shape of the serpentine tube.
The preferred embodiments of the present invention disclosed above are intended to aid in the description of the invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the appended claims and their full scope and equivalents, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (9)
1. A mine air supply system based on high altitude is characterized by comprising an electrolytic bath, an air supply pipeline, a heater and a control system;
an oxygen outlet of the electrolytic cell is communicated with an air supply pipeline through an oxygen supplementing pipeline, an exhaust fan is arranged on the air supply pipeline, and an air filtering device is arranged at an air inlet end of the air supply pipeline;
the heater is arranged on the air supply pipeline and used for heating air in the air supply pipeline;
the control system comprises a temperature sensor arranged at the air exhaust end of the air supply pipeline, an oxygen detector arranged in the mine and a first controller used for controlling the opening and closing of the electrolytic cell, the heater and the exhaust fan, wherein the temperature sensor and the oxygen detector are both connected with the first controller.
2. The high-altitude-based mine air supply system of claim 1, further comprising a power supply system for supplying power to the electrolyzer, the heater, the blower and the control system.
3. The mine air supply system for high altitude according to claim 2, wherein the power supply system comprises a solar power generation device, a storage battery, a voltage detection device, a first control switch, a second control switch and a second controller;
the power supply input end of the first control switch is connected with the storage battery, the power supply input end of the second control switch is connected with an alternating current power supply, and the power supply output ends of the first control switch and the second control switch are respectively connected with the electrolytic bath, the heater, the exhaust fan and the first controller;
the voltage detection device is used for detecting the output voltage of the storage battery and is connected with the signal input end of the second controller, and the signal output end of the second controller is respectively connected with the first control switch and the second control switch.
4. The mine air supply system used at high altitude according to claim 3, wherein the heater comprises an electric heating pipe and a gas heating device, and a gas supply port of the gas heating device is communicated with a hydrogen outlet of the electrolysis bath through a gas supply pipeline.
5. The mine air supply system based on high altitude as claimed in claim 4, wherein the filtering device comprises a filter chamber, an air inlet pipe and an air pump communicated with the air inlet pipe, the air pump is turned on and off by a first controller, and a power input end is respectively connected to a first control switch and a second control switch;
the bottom of filter chamber have the escape orifice, the top has gas vent and water filling port, and inside has the drainage, the exhaust end of intake pipe extends into the filter chamber and submerges in filtering the aquatic, the air inlet end switch-on exhaust port of blast pipe, the volume of drainage be no longer than the volumetric two-thirds of filter chamber.
6. The high-altitude-based mine air supply system according to claim 5, wherein a drain pipe is arranged at the bottom of the electrolytic cell, and a filtering tank is arranged at the drainage end of the drain pipe;
the filter comprises a filter cavity, a water supply pipeline, a water pump, a first controller and a power supply input end, wherein the bottom of the filter cavity is also provided with a water filling port, the filter tank is provided with at least two water outlets, one water outlet is communicated with the water filling port at the bottom of the filter cavity through the water supply pipeline, the water supply pipeline is provided with the water pump, the water pump is opened and closed through the first controller, and the power supply input end is respectively connected to the first control switch and the second control switch.
7. The mine air supply system based on high altitude as claimed in claim 6, wherein the water supply pipeline and the oxygen supply pipeline are provided with one-way valves.
8. The mine air supply system for high altitude according to claim 7, wherein a portion of the air supply duct from the air supply end to the heater traverses the electrolytic bath;
the electrolytic bath comprises an anode tank and a cathode tank, through holes for the air supply pipeline to pass through are formed in the anode tank and the cathode tank, and the air supply pipeline and the through holes are sealed.
9. The mine air supply system for high altitude based use of claim 8 wherein said supply air duct has the same shape as the serpentine shape across the anode and cathode slot sections.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221854822.2U CN217872880U (en) | 2022-07-19 | 2022-07-19 | Mine air supply system based on high altitude |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221854822.2U CN217872880U (en) | 2022-07-19 | 2022-07-19 | Mine air supply system based on high altitude |
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| Publication Number | Publication Date |
|---|---|
| CN217872880U true CN217872880U (en) | 2022-11-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221854822.2U Active CN217872880U (en) | 2022-07-19 | 2022-07-19 | Mine air supply system based on high altitude |
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| Country | Link |
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| CN (1) | CN217872880U (en) |
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- 2022-07-19 CN CN202221854822.2U patent/CN217872880U/en active Active
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