CN216013270U - Experimental device for be used for simulating spray dedusting cooling effect in pit - Google Patents
Experimental device for be used for simulating spray dedusting cooling effect in pit Download PDFInfo
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- CN216013270U CN216013270U CN202022759165.0U CN202022759165U CN216013270U CN 216013270 U CN216013270 U CN 216013270U CN 202022759165 U CN202022759165 U CN 202022759165U CN 216013270 U CN216013270 U CN 216013270U
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Abstract
The utility model belongs to the technical field of mine safety and environmental engineering, and particularly relates to an experimental device for simulating underground spray dust removal and cooling effects. The device comprises: the device comprises a water tank, a dust preparation module, a temperature control module, a high-pressure spraying module, a data acquisition module and a pollution discharge module. Firstly, preparing dirty air containing dust with different concentrations by using a dust preparation module, and controlling the air flow temperature in a box body by using a temperature control module; and then purifying the air flow and reducing the temperature of the air flow by using a high-pressure spraying module, and finally, acquiring the dust concentration and temperature data before and after spraying by using a pollution discharge module purifying device according to a data acquisition module, and calculating the dust removal and cooling efficiency. The utility model can prepare the dirty air with different concentrations of dust and different temperatures according to the requirements, and realizes the simultaneous or independent determination of the underground spray dedusting and cooling efficiency, thereby more scientifically guiding the setting of the on-site spray system.
Description
Technical Field
The utility model belongs to the technical field of mine safety and environmental engineering, and particularly relates to an experimental device for simulating underground spray dust removal and cooling effects.
Background
Mineral resources in China are rich, and most of the mineral resources such as coal, metal and the like adopt an underground mining mode. With the increase of the mining depth, the formation temperature is increased, so that the problem of high-temperature heat damage is more serious, the physical and mental health of workers can be influenced when the workers work in a high-temperature environment for a long time, and production safety accidents are caused by misoperation of the workers and the like; the dust pollution problem, which is one of the five disasters in mines, is not effectively treated, and workers can suffer from pneumoconiosis and the like. Therefore, the problems of high temperature heat damage and dust pollution are important problems which need to be solved urgently for guaranteeing occupational health and mine safety production. A large number of relevant researches are carried out by a plurality of scholars, the spraying, dedusting and cooling performances of a water body are improved after magnetization, surfactant addition and other treatments are carried out, however, a relevant experimental device for carrying out research result verification in a laboratory is lacked at present.
SUMMERY OF THE UTILITY MODEL
Aiming at the problems in the prior art, the utility model provides an experimental device for simulating the underground spray dust removal and cooling effects. By utilizing the experimental device, after the physical and chemical properties of the water body are changed through experiments and calculation in a laboratory, the dust removal efficiency of the spray under different dust concentrations and the cooling efficiency under different wall temperature conditions can be obtained, so that the setting of an on-site spraying system can be more scientifically guided.
In order to achieve the purpose, the utility model adopts the technical scheme that:
an experimental device for simulating underground spray dust removal and cooling effects comprises a water tank, a dust preparation module, a temperature control module, a high-pressure spray module, a data acquisition module and a pollution discharge module. The dust preparation module comprises a dust feeding funnel, a dust diffusion funnel, a dust storage pipe, a second valve and a dust raising fan; the temperature control module comprises a device shell, a heating net and a temperature controller; the high-pressure spraying module comprises a top high-pressure nozzle, a valve III and a valve IV; the data acquisition module comprises a temperature sensor, a first dust sensor, a second dust sensor, a temperature display, a dust concentration display, a first bracket, a second bracket, a third bracket, a first plastic pipe and a second plastic pipe; the blowdown module comprises a bottom high-pressure nozzle, a blowdown groove and a dust collecting net positioned at the tail end of the device.
In some embodiments of the present application, one end of the booster pump is connected to the water tank, and the other end is connected to the top high-pressure nozzle and the bottom high-pressure nozzle, and the nozzle used is selected by the third valve and the fourth valve.
In some embodiments of the present application, the range of the booster pump is 0-10MPa, which is used for determining the optimal injection pressure for dust removal and temperature reduction through experiments.
In some embodiments of the present application, the dust preparation module is configured such that the dust hopper and the dust diffusion hopper are connected via a dust storage pipe, a second valve is disposed in the middle of the dust storage pipe to control the total amount of dust, and a dust raising fan is disposed in front of the dust generator to diffuse the dust into the whole device.
In some embodiments of the present application, the device housing in the temperature control module has two layers, water is filled in the interlayer, the heating net is arranged in the middle, and the power of the heating net is controlled by the temperature controller, so as to simulate different rock temperatures in the well.
In some embodiments of the present application, the device housing is made of aluminum alloy with good thermal conductivity, and polyurethane foam with good thermal insulation is covered on the outer side of the device, so that the temperature of the air flow in the device is increased, the temperature of the laboratory environment is prevented from being increased, and the temperature of the inlet air is ensured to be unchanged during the experimental time.
In some embodiments of the present application, the temperature sensor in the data acquisition module is fixed on the device bottom plate through a first bracket, and the data line passes through a first plastic pipe and is connected with a temperature display for recording and displaying the temperature of the wind flow; the first dust sensor and the second dust sensor are respectively fixed on the device bottom plate through a second support and a third support, and the data line penetrates through a second plastic pipe to be connected with a dust concentration display and is used for recording and displaying the dust concentration in the wind flow.
In some embodiments of the present application, the first dust sensor and the second dust sensor are respectively located at the front end and the rear end of the top high-pressure nozzle, and are used for recording dust concentrations in the air flow before and after the spray dust removal.
In some embodiments of this application, blowdown module bottom high pressure nozzle and blowdown groove be located device bottom plate both sides respectively, the dust on the device bottom plate is washed to the blowdown groove with the work of bottom high pressure nozzle after the experiment, arranges to the laboratory effluent water sump again in, the net collection is collected through dust collection to a small amount of dust that is not subsided.
Has the advantages that: the utility model can adjust the spray pressure by adjusting the pressure increasing valve, so as to determine the optimal spray pressure by experiments; meanwhile, the total amount of dust entering the device can be controlled through a valve, and the wind speed of the wind flow is controlled through a dust raising fan, so that wind flows with different wind speeds and different dust concentrations are prepared; the power of the heating net can be controlled by the temperature controller, so that the device has different wall temperatures. The utility model can realize the dust removal effect of simulated spraying in a laboratory under different dust concentrations and the cooling effect under different wall temperature conditions, thereby more scientifically guiding the setting of an on-site spraying system.
Drawings
FIG. 1 is a schematic illustration of the utility model after assembly
FIG. 2 is an assembled internal structure view of the present invention
In the figure: 1. a water tank; 2. a first valve; 3. a booster pump; 4. a dust charging hopper; 5. a dust storage tube; 6. a dust diffusion funnel; 7. a dust raising fan; 8. a second valve; 9. a first dust sensor; 10. a second dust sensor; 11. a dust concentration display; 12. heating the net; 13. a temperature controller; 14. a temperature sensor; 15. a temperature display; 16. a third valve; 17. a top high pressure nozzle; 18. a fourth valve; 19. a base plate; 20. a bottom high pressure nozzle; 21. a sewage draining groove; 22. a dust collection net; 23. a first bracket; 24. a second bracket; 25. a third bracket; 26. a first plastic pipe; 27. a second plastic pipe; 28. a device housing.
The specific implementation mode is as follows:
as shown in fig. 1 and 2, the present invention includes a water tank 1, a dust preparation module, a temperature control module, a high pressure spray module, a data acquisition module, and a pollution discharge module. The dust preparation module comprises a dust feeding funnel 4, a dust diffusion funnel 6, a dust storage pipe 5, a second valve 8 and a dust raising fan 7; the temperature control module comprises a device shell 28, a heating net 12 and a temperature controller 13; the high-pressure spraying module comprises a top high-pressure nozzle 17, a valve III 16 and a valve IV 18; the data acquisition module comprises a first dust sensor 9, a second dust sensor 10, a dust concentration display 11, a temperature sensor 14, a temperature display 15, a first support 23, a second support 24, a third support 25, a first plastic pipe 26 and a second plastic pipe 27; the blow down module comprises a bottom high pressure nozzle 20, a blow down tank 21 and a dust collection screen 22 at the end of the device.
One end of the booster pump 3 is connected with the water tank 1, and the other end is connected with the top high-pressure nozzle 17 and the bottom high-pressure nozzle 20, and the used nozzle is selected through a valve three 16 and a valve four 18.
The range of the booster pump 3 is 0-10MPa, and the booster pump is used for determining the optimal injection pressure for dedusting and cooling.
Dust charging hopper 4 links to each other through dust storage pipe 5 with dust diffusion funnel 6 in the dust preparation module, sets up valve two 8 in the middle of dust storage pipe 5 and is used for controlling the dust total amount, and raise dust fan 7 sets up in dust generator the place ahead for in diffusing the whole device with the dust.
The device shell 28 in the temperature control module has two layers, water is filled in the interlayer, the heating net 12 is arranged in the middle, and the power of the heating net 12 is controlled through the temperature controller 13 and is used for simulating different rock temperatures in the well.
The device shell 28 is made of aluminum alloy with good thermal conductivity, and polyurethane foam plastic with good thermal insulation is covered on the outer side of the device shell, so that the temperature of air flow in the device is increased, the environment temperature in a laboratory is prevented from being increased, and the temperature of inlet air in the experimental time is guaranteed to be unchanged.
The temperature sensor 14 in the data acquisition module is fixed on the device bottom plate 19 through a first support 23, and a data line passes through a first plastic pipe 26 and is connected with the temperature display 15 for recording and displaying the wind flow temperature.
The first dust sensor 9 and the second dust sensor 10 are respectively fixed on the device bottom plate 19 through a second support 24 and a third support 25, and a data line penetrates through a second plastic pipe 27 to be connected with the dust concentration display 11 and is used for recording and displaying the dust concentration in the wind flow.
The first dust sensor 9 and the second dust sensor 10 are respectively positioned at the front end and the rear end of the top high-pressure nozzle 17 and used for recording dust concentrations in wind flow before and after spray dust removal.
The bottom high-pressure nozzle 20 and the sewage discharge groove 21 in the sewage discharge module are respectively positioned at two sides of the bottom plate 19 of the device, after an experiment is finished, the bottom high-pressure nozzle 20 works to wash dust on the bottom plate 19 into the sewage discharge groove 21 and then discharge the dust into a sewage pool in a laboratory, and a small amount of dust which is not settled is collected through the dust collection net 22.
Working engineering: firstly, opening a temperature controller 13 to enable a heating net 12 to work, raising the temperature of the wall of the device to a required temperature, adding dust into a dust feeding funnel 4, opening a second valve 8 and a dust raising fan 7, and preparing dirty air containing dust with a certain concentration; then, adjusting a booster pump 3, opening a valve I2 and a valve III 16 to enable a top high-pressure nozzle 17 to work, and performing spray dust removal and cooling experiments; and finally, calculating according to the numerical values of the temperature display 14 and the dust concentration display 11 to obtain the efficiency of spray dust removal and temperature reduction. After the experiment is finished, the first valve 2 and the fourth valve 18 are opened, the bottom high-pressure nozzle 20 works, and dust on the bottom plate 19 is washed and discharged into a sewage pool of the laboratory through the sewage discharge groove 21.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. An experimental device for simulating underground spray dust removal and cooling effects is characterized by comprising a water tank, a dust preparation module, a temperature control module, a high-pressure spray module, a data acquisition module and a pollution discharge module; the dust preparation module comprises a dust feeding funnel, a dust diffusion funnel, a dust storage pipe, a second valve and a dust raising fan; the temperature control module comprises a device shell, a heating net and a temperature controller; the high-pressure spraying module comprises a top high-pressure nozzle, a valve III and a valve IV; the data acquisition module comprises a first dust sensor, a second dust sensor, a dust concentration display, a temperature sensor, a temperature display, a first bracket, a second bracket, a third bracket, a first plastic pipe and a second plastic pipe; the blowdown module comprises a bottom high-pressure nozzle, a blowdown groove and a dust collecting net positioned at the tail end of the device.
2. The experimental device for simulating the underground spray dedusting and cooling effect as claimed in claim 1, further comprising a booster pump, wherein one end of the booster pump is connected with the water tank, and the other end of the booster pump is connected with the top high-pressure nozzle and the bottom high-pressure nozzle, and the nozzles used are selected through a third valve and a fourth valve.
3. The experimental device for simulating the down-hole spray dedusting and cooling effect as claimed in claim 2, wherein the range of the booster pump is 0-10MPa, and the booster pump is used for determining the optimal injection pressure for dedusting and cooling.
4. The experimental device for simulating the underground spray dust removal and temperature reduction effects according to claim 1, wherein a dust feeding funnel and a dust diffusion funnel in the dust preparation module are connected through a dust storage pipe, a valve II is arranged in the middle of the dust storage pipe to control the total amount of dust, and a dust raising fan is arranged in front of a dust generator to diffuse the dust into the whole device.
5. The experimental device for simulating the underground spray dust removal and cooling effects as claimed in claim 1, wherein the device shell in the temperature control module has two layers, water is filled in the interlayer, a heating net is arranged in the middle, and the power of the heating net is controlled by a temperature controller to simulate different underground rock temperatures.
6. The experimental device for simulating the underground spray dust removal and cooling effects as claimed in claim 1, wherein the device housing is made of aluminum alloy with good thermal conductivity, and polyurethane foam with good thermal insulation is covered on the outer side of the device housing, so that the temperature of the air flow in the device is increased, the ambient temperature in a laboratory is prevented from being increased, and the temperature of the air inlet in the experimental time is guaranteed to be unchanged.
7. The experimental device for simulating the underground spray dedusting and cooling effect as claimed in claim 1, wherein the temperature sensor in the data acquisition module is fixed on the bottom plate through a first bracket, and the data line passes through a first plastic pipe and is connected with the temperature display for recording and displaying the temperature of the wind flow.
8. The experimental device for simulating the underground spray dust removal cooling effect according to claim 1, wherein the first dust sensor and the second dust sensor are respectively fixed on the bottom plate through a second bracket and a third bracket, and the data line passes through the second plastic pipe and is connected with a dust concentration display for recording and displaying the dust concentration in the wind flow.
9. The experimental device for simulating the underground spray dedusting and cooling effect as claimed in claim 1, wherein the first dust sensor and the second dust sensor are respectively located at the front end and the rear end of the top high-pressure nozzle and are used for recording dust concentrations in wind flow before and after spray dedusting.
10. The experimental device for simulating the underground spray dust removal and cooling effects as claimed in claim 1, wherein the bottom high-pressure nozzle and the blow-down tank in the blow-down module are respectively located at two sides of the bottom plate, after the experiment is finished, the bottom high-pressure nozzle works to flush dust on the bottom plate into the blow-down tank and then discharge the dust into the laboratory sewage pool, and a small amount of dust which is not settled is collected through the dust collection net.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022759165.0U CN216013270U (en) | 2020-11-25 | 2020-11-25 | Experimental device for be used for simulating spray dedusting cooling effect in pit |
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| CN202022759165.0U CN216013270U (en) | 2020-11-25 | 2020-11-25 | Experimental device for be used for simulating spray dedusting cooling effect in pit |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115857587A (en) * | 2023-03-02 | 2023-03-28 | 武汉鸿康科技有限公司 | Intelligent control system for operation environment of industrial dust removal equipment |
| CN116907577A (en) * | 2023-07-17 | 2023-10-20 | 中国矿业大学 | Experimental device and method for simulating intelligent spray cooling and dust settling of underground coal mine roadway |
-
2020
- 2020-11-25 CN CN202022759165.0U patent/CN216013270U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115857587A (en) * | 2023-03-02 | 2023-03-28 | 武汉鸿康科技有限公司 | Intelligent control system for operation environment of industrial dust removal equipment |
| CN115857587B (en) * | 2023-03-02 | 2023-04-28 | 武汉鸿康科技有限公司 | Intelligent control system for operation environment of industrial dust removal equipment |
| CN116907577A (en) * | 2023-07-17 | 2023-10-20 | 中国矿业大学 | Experimental device and method for simulating intelligent spray cooling and dust settling of underground coal mine roadway |
| CN116907577B (en) * | 2023-07-17 | 2024-02-20 | 中国矿业大学 | Experimental device and method for simulating intelligent spray cooling and dust settling of underground coal mine roadway |
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