CN113970453B - Heat-moisture exchange performance testing device of large enthalpy difference cooling equipment in heat damage mine mining area - Google Patents
Heat-moisture exchange performance testing device of large enthalpy difference cooling equipment in heat damage mine mining area Download PDFInfo
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- CN113970453B CN113970453B CN202111246889.8A CN202111246889A CN113970453B CN 113970453 B CN113970453 B CN 113970453B CN 202111246889 A CN202111246889 A CN 202111246889A CN 113970453 B CN113970453 B CN 113970453B
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- G—PHYSICS
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- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
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Abstract
The invention discloses a heat-moisture exchange performance test device of large enthalpy difference cooling equipment of a heat damage mine mining area, which comprises a hot-moisture air simulation device of the mining area, a large enthalpy difference cooling and dehumidifying device, a cold source system and a test control system, wherein the hot-moisture air simulation device is connected with the large enthalpy difference cooling and dehumidifying device through an air inlet end interface of the large enthalpy difference cooling and dehumidifying device, an air outlet end interface of the hot-moisture air simulation device of the mining area and an air supply dust simulation device of the mine mining area, the cold source system is connected with a chilled water return pipe, a cold source water supply pipe of the large enthalpy difference cooling and dehumidifying device and a primary spray water supply pipeline through a tee joint, and the test control system is electrically connected with the hot-moisture air simulation device of the mining area, the large enthalpy difference cooling and dehumidifying device and the cold source system. The invention is suitable for testing and researching the heat-moisture exchange performance of the large enthalpy difference cooling device in the mining area, and researching the optimal design method and optimizing the design of the product on the basis.
Description
Technical Field
The invention relates to the technical field of heat and humidity performance testing devices of heat damage mine mining areas, in particular to a heat and humidity exchange performance testing device of heat damage mine mining area large enthalpy difference cooling equipment.
Background
Along with the increase of coal exploitation depth, mine heat injury becomes an important factor in coal exploitation, and directly affects production efficiency, safe production and safety and health of workers. Meanwhile, the single or multiple mining working surfaces generate mine heat damage and evolve into the whole mining area to generate heat damage, so that the mining area full-air-volume centralized cooling technology is applied to underground cooling, large and medium-sized coal mines such as energy resource groups in China, shan coal long mining groups and the like implement mining area centralized cooling, full-air-volume large-enthalpy-difference cooling and dehumidifying without mechanical power are realized, dust can be reduced, good cooling and dust removing effects are obtained, the mining area working surface heat and humidity environment is greatly improved, and good economic benefit and social benefit are obtained. However, the large enthalpy difference cooling equipment adopted in the centralized cooling system of the mining area is not supported by a high-efficiency design calculation method and a professional testing device, so that great difficulty exists in providing high Wen Caiou of different types of heat damage mines with high-efficiency and optimized design.
Therefore, the invention provides a heat-humidity performance test device of the large enthalpy difference cooling equipment in a mining area of the heat damage mine for providing more perfect, more efficient and energy-saving large enthalpy difference cooling equipment for a cooling system for the design and calculation method of the large enthalpy difference cooling equipment of the propulsion heat damage mine. The design and calculation theory of the large enthalpy difference cooling equipment are perfected through the test experiment, and the optimized design of the large enthalpy difference cooling equipment is provided for different heat damage mines.
The heat-moisture exchange performance testing device of the large enthalpy difference cooling equipment in the mining area of the heat damage mine is suitable for testing the heat-moisture exchange performance of the large enthalpy difference cooling equipment under different air volumes and different cooling loads of various heat damage mines and guiding design and development, and has the characteristics of low cost, low energy consumption, simplicity in operation, reliable cold source and strong complementation.
Disclosure of Invention
The invention aims to provide a heat-moisture exchange performance testing device of large enthalpy difference cooling equipment of a mining area of a heat damage mine, so as to solve the problems that the large enthalpy difference cooling equipment adopted in the centralized cooling system of the mining area provided in the background art is not provided with a high-efficiency design calculation method and a special testing device support, and the high Wen Caiou of different types of heat damage mines is provided with high-efficiency optimized design and has great difficulty.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a heat and humidity exchange performance test device of big enthalpy difference cooling equipment of heat injury mine mining area, includes mining area hot humid air analogue means, big enthalpy difference cooling dehydrating unit, cold source system, test control system, hot humid air analogue means and big enthalpy difference cooling dehydrating unit are connected with mine mining area air supply dust analogue means through big enthalpy difference cooling dehydrating unit air inlet end interface, mining area hot humid air analogue means air outlet end interface, cold source system inserts big enthalpy difference cooling dehydrating unit through tee bend and chilled water wet return, big enthalpy difference cooling dehydrating unit cold source delivery pipe and one-level spray water supply line, test control system and mining area hot humid air analogue means, big enthalpy difference cooling dehydrating unit and cold source system electric connection, test control system including air side heat flow parameter's test system, one-level spray water flow and temperature test control system, mining area hot humid air analogue means's cooling dehydrating control system, the water level balance system of cistern and dust concentration's test and analog control system.
Preferably, the inlet end of the mining area hot wet air simulation device is an outdoor air inlet pipe section, a heating and humidifying device and a spray cooling device are arranged in the mining area hot wet air simulation device, the heating and humidifying device is located on one side of the spray cooling device, a spray water tank is arranged at the bottom of the spray cooling device, one side of the spray water tank at the bottom of the mining area hot wet air simulation device is connected with a cold source return water pipeline of the mining area hot wet air simulation device, a cold source return water on-off valve of the mining area hot wet air simulation device is arranged on the surface of the cold source return water pipeline of the mining area hot wet air simulation device, a spray reservoir return water pipeline is connected with a spray reservoir return water pipeline of the large enthalpy difference cooling dehumidifying device through a three-way valve, the other end of the spray reservoir return water pipeline is connected with a water return pump of the filter device through a three-way connection, the front end of the spray reservoir return water pump is provided with a temperature pressure test device, the other end of the spray reservoir return water pipeline is connected with a spray ice return water pipeline through a three-way ice return water pipeline, and the water pipeline is connected with a spray water return pipeline through a three-way ice return water pipeline, and the flow of the ice return water pipeline is adjusted, and the ice return water pipeline is connected with the spray return water pipeline through the three-way ice return water pipeline.
Preferably, one side of the spray pool is connected with a hot and humid air simulator cold source water return pipeline of the mining area, the bottom end of the spray cooling device is connected with a hot and humid air simulator cold source water supply pipeline of the mining area, the front end of the hot and humid air simulator cold source water temperature and pressure testing device of the mining area is arranged at the front end of the hot and humid air simulator cold source water supply pipeline of the mining area, one end of the hot and humid air simulator cold source water temperature and pressure testing device of the mining area is connected with a hot and humid air simulator cold source flow regulating valve of the mining area, one end of the hot and humid air simulator cold source flow regulating valve of the mining area is connected with a hot and humid air simulator cold source water supply pump of the mining area, and one end of the hot and humid air simulator cold source water supply pump of the mining area is connected with a spray reservoir at the lower part of the large enthalpy difference cooling and dehumidifying device.
Preferably, the hot humid air analogue means exit end in mining area is equipped with the hot humid air analogue means exit water blocking device in mining area, the surface of hot humid air analogue means exit water blocking device in mining area is equipped with export breakwater, the export breakwater outside of hot humid air analogue means in mining area has connect the air-out end interface of hot humid air analogue means in mining area, the export breakwater inboard of hot humid air analogue means in mining area is equipped with the hot humid air analogue means exit temperature and humidity sensor in mining area, the air-out end of hot humid air analogue means in mining area is connected with variable frequency fan through the hot humid air analogue means air-out end interface in mining area, the other end of variable frequency fan is connected with the blast pipe measuring section, the surface of blast pipe measuring section is equipped with air volume control valve, mine mining area air supply dust analogue means, amount of wind and wind pressure testing arrangement in proper order from right to left, the inside entrance end of hot humid air analogue means in mining area is equipped with fan air inlet temperature and humidity sensor, the exit end and the big enthalpy difference dehumidification device air inlet end interface are connected, big enthalpy difference dehumidification device cooling side temperature-down end interface is connected with big enthalpy difference dehumidification device.
Preferably, the inner inlet end of the large enthalpy difference cooling and dehumidifying device is provided with a front water baffle, the air inlet side of the front water baffle is provided with a large enthalpy difference cooling and dehumidifying device air inlet temperature and humidity testing device, the other side of the front water baffle is provided with a secondary spray device, the secondary spray device is connected with a spray reservoir at the lower part of the primary spray device through a secondary spray water supply pipeline, the secondary spray water supply pipeline is provided with a filter device at the water absorption end, the filter device is arranged at the water absorption end of a secondary spray pump, the outlet end of the secondary spray pump is provided with a secondary spray water regulating valve, one end of the secondary spray water regulating valve is connected with a secondary spray device, the middle part of a shell of the large enthalpy difference cooling and dehumidifying device is provided with an access window with the outlet end of the secondary spray device, the middle part of the secondary spray device and the primary spray device is provided with a filter device, one side of the water level balance reservoir is provided with a secondary spray valve, the other side of the secondary spray device is provided with a secondary spray tube, the water level balance valve is connected with a secondary spray tube, the water level balance tube is provided with a water pressure tube is connected with the water pressure testing device, the water level of the primary spray device is provided with a water level-reducing device is provided with a water pressure tube, the water level-reducing device is provided with a water pressure reducing tube, the water level of the water is provided with a water level reducing device, and the water is provided with a water level reducing device is provided with a water through the water level reducing device, the other side of the spray pressure testing device is a rear water baffle, spray pressure testing devices are arranged on two sides of the rear water baffle, water baffle windage testing devices are arranged on two sides of the rear water baffle, a large enthalpy difference cooling and dehumidifying device air outlet section is connected to the outer side of the rear water baffle, a wind flow outlet dust particle detector is arranged in the air outlet section of the large enthalpy difference cooling and dehumidifying device, a spray pipe horizontal main pipe is arranged on the outer side of the primary spray device and connected with a primary spray water supply pipeline, the primary spray water supply pipeline is provided with a primary spray water temperature testing device, the other end of the primary spray water supply pipeline is connected with a spray return water circulation pipeline through a tee joint, a cold source water temperature pressure testing device is arranged at the position of the primary spray pipeline close to a spray reservoir, a cold source water flow regulating valve is arranged at the rear end of the cold source water temperature pressure testing device, a primary spray pump is connected to the other end of the cold source water flow regulating valve, a filter device is fixedly connected to one end of the filter device, an ice water supply pipe is connected to the rear end of the filter device through one end of the ice water pipe, a water supply pipeline is connected with an ice water supply pipe, a water supply valve A is connected to the water supply pipeline is connected with a water supply valve A, a water supply pipe is arranged at the water supply pipeline is provided with a water circulation pipeline, a water supply valve is connected with the water supply valve A, and is provided with a water supply valve is provided with a water tank, and is provided with a water tank is provided with a refrigerating valve, the back end of the circulating spray water flow meter is connected with the water outlet end of the cold source water return pipeline of the mining area hot and humid air simulation device through one end of a tee joint, the back end of the circulating spray water flow meter is connected with a spraying backwater ice melting pipeline through the other end of the tee joint, the surface of the spraying backwater ice melting pipeline is provided with a circulating backwater flow regulating valve, the spraying backwater ice melting pipeline at the other end of the circulating backwater flow regulating valve is connected with a water inlet pipe of the ice melting tank, and the spraying backwater ice melting pipeline is connected with a chilled water return pipe through the tee joint, so that the mining area large enthalpy difference cooling device is formed;
The cold source system comprises an ice water tank and a constant temperature water chilling unit, the ice water tank and the constant temperature water chilling unit form a double cold source combination, the ice water tank is used as a small experiment test, the constant temperature water chilling unit is matched with the ice water tank to be used as a cold source under large and medium refrigeration load, a chilled water return pipe of the chilled water chilling unit of the constant temperature water chilling unit is connected with a spray water return and melting pipeline in parallel through a tee joint and then is connected into a spray water reservoir return pipeline, a chilled water return control valve of the chilled water chilling unit is arranged on the surface of the chilled water return pipe of the chilled water chilling unit, the chilled water return control valve of the chilled water chilling unit is electrically connected with the constant temperature water chilling unit, and a water supplementing return pipe of the spray water reservoir return pipeline is connected into the chilled water return pipe of the ice water tank to form a water supplementing and return loop of the cold source of the large enthalpy difference cooling and dehumidifying device; the cold water supply pipe of the cold water machine set is connected in parallel with the cold water supply pipe of the large enthalpy difference cooling and dehumidifying device through a tee joint, the cold water supply pipe of the large enthalpy difference cooling and dehumidifying device is provided with a primary spray pump, the surface of the cold water supply pipe of the large enthalpy difference cooling and dehumidifying device is provided with a cold water flowmeter and a cold water flow regulating valve, the flow of the cold water supply pipe of the large enthalpy difference cooling and dehumidifying device is regulated and controlled, and the cold water supply pipe of the large enthalpy difference cooling and dehumidifying device is connected into a primary spray water supply pipeline after being mixed in parallel with a spray return water circulation pipeline through the tee joint, so that a cold water source of the primary spray device is formed;
The ice water tank A and the ice water tank B are identical in structure, an ice water tank A water supply port is formed in the bottom of one side wall of the ice water tank A, an ice water tank A water supply valve is arranged on the surface of the ice water tank A water supply port, an A water supplementing return pipe is arranged on the upper side of a water tank wall opposite to the ice water tank A water supply port, an A water supplementing return valve is arranged at the position, close to the outer wall of the water tank, of the A water supplementing return pipe, a vertical water distribution pipe is connected to the rear end of the A water supplementing return valve, ice water tank A temperature testing devices are arranged in the ice water tank A at a certain distance from the ice water distribution nozzles, the ice water tank A is connected with the ice water tank B water supply port and the valve of the ice water tank B in parallel and then is collected into a water supplementing return pipe, an ice water tank B water supply port is formed in the bottom of one side of the ice water tank B, a B water supplementing return pipe is arranged on the upper side of the water tank B water supply port, a B water supplementing return pipe is arranged at the position, close to the outer wall of the water tank, a B water supplementing return valve is connected with a vertical water distribution pipe, ice water distribution pipe is uniformly distributed on the rear end of the A water distribution pipe, ice water tank A temperature testing device is arranged at the position, and the ice water tank temperature testing device is arranged at a certain distance from the ice water tank B temperature testing device.
Preferably, the test control system comprises a variable frequency fan, a fan air inlet temperature and humidity sensor arranged at the inlet of the variable frequency fan, an air quantity and air pressure testing device arranged at one end of the air supply pipe measuring section, an air quantity regulating valve arranged on the surface of the air supply pipe measuring section, an outlet temperature and humidity sensor arranged at the outlet of the hot and humid air simulation device in a mining area arranged at the outlet section of the spray cooling device, an air inlet temperature and humidity testing device arranged at the front end of a front water baffle in the large enthalpy difference cooling and dehumidifying device, a spray wind resistance testing device arranged at the inlet of the primary spraying device and the outlet of the secondary spraying device, a water baffle wind resistance testing device arranged at the front end and the rear end of the rear water baffle, and an air outlet temperature and humidity testing device arranged at the outlet of the secondary spraying device, wherein all the testing devices are used for transmitting data to a measurement and control system platform for storage and processing, and the testing system which is formed air side heat flow parameters is constructed.
Preferably, the surface of the chilled water supply pipe is provided with a cold source water flowmeter, one side of the cold source water flowmeter is provided with a cold source water temperature pressure testing device, a cold source water flow regulating valve is arranged at the rear end of the cold source water temperature pressure testing device, the surface of the primary spraying water supply pipeline is provided with a primary spraying water temperature testing device, one end of the spraying backwater circulating pipeline is provided with a circulating spraying water flowmeter, one side of the circulating spraying backwater flowmeter of the spraying backwater circulating pipeline is provided with a spraying reservoir backwater temperature pressure testing device, the surface of the spraying backwater circulating pipeline is provided with a circulating spraying water regulating valve, one end of the primary spraying pipe is provided with a spraying pressure testing device, and all the testing devices are used for transmitting data to a measurement and control system platform for storage and processing.
Preferably, the inside of spray cistern is equipped with the balanced orifice plate of spray cistern water level, the inner wall of spray cistern evenly is equipped with water level controller, and above device constitutes the water level balance system of spray cistern.
Preferably, an ice water tank A temperature testing device is arranged in the ice water tank A of the ice water tank, an ice water tank B temperature testing device is arranged in the ice water tank B of the ice water tank, and all the testing devices transmit data to a measurement and control system platform to store and process the data to form a water temperature testing system of the ice water tank.
Preferably, the position of the blast pipe measuring section at the rear side of the mine mining area air supply dust simulation device is provided with an air flow inlet dust particle detector, one side, which is inside the air outlet section of the large enthalpy difference cooling and dehumidifying device and is close to the rear water baffle, is provided with an air flow outlet dust particle detector, all test data are transmitted to the measurement and control system platform for storage and processing and are fed back to the mine mining area air supply dust simulation device, so that a dust concentration test and simulation control system is formed.
Compared with the prior art, the invention has the beneficial effects that: the device is suitable for testing the heat-moisture exchange performance of the large enthalpy difference cooling equipment under different air volumes and different cooling loads of various heat damage mines and guiding design and development, and has the characteristics of low cost, low energy consumption, simple operation, reliable cold source and strong complementarity.
Drawings
FIG. 1 is a block diagram of a heat-moisture exchange performance testing device of a large enthalpy difference cooling device in a mining area;
FIG. 2 is a schematic longitudinal cross-sectional view of a spray device in the large enthalpy difference cooling and dehumidifying device of the present invention;
FIG. 3 is a schematic cross-sectional view of a spray device in the large enthalpy difference cooling and dehumidifying device of the present invention;
FIG. 4 is a schematic view of the structure of the ice water tank of the present invention;
fig. 5 is a schematic view of the structure of the spray reservoir of the present invention.
In the figure: 1. a large enthalpy difference cooling and dehumidifying device; 2. a secondary spraying device; 3. a first-stage spraying device; 4. a hot and humid air simulation device in the mining area; 5. a constant temperature water chiller; 6. an ice water tank; 7. a first stage spray pump; 8. a secondary spray pump; 9. a water return pump of the spray reservoir; 10. a variable frequency fan; 11. the direction of the spray head is adjustable; 12. a spray reservoir; 13. the mine mining area air supply dust simulation device; 14. a blast pipe measuring section; 15. the air quantity and air pressure testing device; 16. an outdoor air inlet pipe section; 17. a spray cooling device; 18. a heating and humidifying device; 19. spraying wind resistance testing device; 20. the wind resistance testing device of the water baffle; 21. a fan air inlet temperature and humidity sensor; 22. an outlet temperature and humidity sensor of the hot and humid air simulation device in the mining area; 23. cold source water supply pump of hot and humid air simulator in mining area; 24. a water level balance pore plate of the spray reservoir; 25. an air inlet end interface of the large enthalpy difference cooling and dehumidifying device; 26. an air outlet end interface of the hot and humid air simulation device in the mining area; 27. a cold source water flowmeter; 28. the cold source water temperature and pressure testing device; 29. an air quantity adjusting valve; 30. a filtering device; 31. an access window; 32. cold source flowmeter of hot and humid air simulator in mining area; 33. a rotatable water pipe joint; 34. a circulating spray water flowmeter; 35. a cold source water flow regulating valve; 36. a circulating backwater flow regulating valve; 37. cold source flow regulating valve of hot and humid air simulator in mining area; 38. cold source backwater on-off valve of hot and humid air simulator in mining area; 39. the water return temperature and pressure testing device of the spray reservoir; 40. a circulating spray water regulating valve; 41. a second-stage spray water regulating valve; 42. the cold source water temperature and pressure testing device of the hot and humid air simulating device in the mining area; 43. an air inlet temperature and humidity testing device of the large enthalpy difference cooling and dehumidifying device; 44. the temperature and humidity testing device of the air outlet of the large enthalpy difference cooling and dehumidifying device; 45. a spray pressure testing device; 47. a spray pipe overhauling valve; 48. a rear water baffle; 49. a front water baffle; 50. an outlet water retaining device of the hot and humid air simulation device in the mining area; 51. an air outlet section of the large enthalpy difference cooling and dehumidifying device; 52. a cold source water supply pipeline of the hot and humid air simulator in the mining area; 53. cold source water return pipeline of hot and humid air simulator in mining area; 54. a water return pipeline of the spray reservoir; 55. a secondary spray water supply pipeline; 56. a spray backwater circulation pipeline; 57. an ice water supply pipe; 58. a chilled water return line; 59. a cold source water supply pipe of the large enthalpy difference cooling and dehumidifying device; 60. a chilled water supply pipe; 61. a water level controller; 62. an ice water tank A; 63. an ice water tank B; 64. a water supply valve of the ice water tank A; 65. b, supplementing a water return pipe; 66. a water supply port of the ice water tank A; 67. a, supplementing a water return valve; 68. b, supplementing a water return valve; 69. a water return connecting pipe is filled; 70. a water supply port and a valve of the ice water tank B; 71. a vertical water distribution pipe; 72. an ice melting nozzle; 73. freezing backwater control valve of water chilling unit; 74. a, an ice water tank temperature testing device; 75. b, an ice water tank temperature testing device; 76. a second-stage spray water temperature and pressure testing device; 77. a measurement and control system platform; 78. an ice water tank heat-preserving cover plate; 80. a first-stage spray water supply pipeline; 81. spraying a water pool; 82. a spray backwater ice melting pipeline; 83. a first-stage spray water temperature testing device; 84. a wind flow outlet dust particle detector; 85. the wind flow is imported to the dust particle detector.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.
The heat-humidity exchange performance testing device for the large enthalpy difference cooling equipment of the heat damage mine mining area is combined into a complete testing system of the large enthalpy difference cooling equipment through the mining area heat-humidity air simulation device 4, the large enthalpy difference cooling and dehumidifying device 1, the cold source system and the testing control system, and the cooling and dehumidifying performance professional testing work under different working conditions of the large enthalpy difference cooling devices of different types of mining areas is completed, so that accurate technical data are provided for users and technicians.
In order to meet the requirements of heat-moisture exchange performance test of large enthalpy difference cooling equipment in a mining area, the invention provides the following technical scheme:
referring to fig. 1 to 5, an embodiment of the present invention provides: the heat and humidity exchange performance test device comprises a hot and humid air simulation device 4 of a heat damage mine mining area, a hot and humid air simulation device 1 of the large enthalpy difference, a cold source system and a test control system, wherein the hot and humid air simulation device 4 and the hot and humid air simulation device 1 of the large enthalpy difference are connected with an air supply dust simulation device 13 of the mine mining area through an air inlet end interface 25 of the hot and humid air simulation device of the large enthalpy difference, an air outlet end interface 26 of the hot and humid air simulation device of the mining area, the cold source system is connected with a chilled water return pipe 58, a cold source water supply pipe 59 of the cold source of the hot and humid air simulation device of the large enthalpy difference and a primary spray water supply pipeline 80 through a tee joint, the test control system is electrically connected with the hot and humid air simulation device 4 of the mining area, the hot and humid air simulation device 1 of the large enthalpy difference and the cold source system, and the test control system comprises a test system of air side heat flow and temperature, a test and dehumidification control system of the hot spray water flow and the hot water simulation device 4 of the mining area, a water level balance system of a water reservoir 12 and a dust concentration test and simulation control system.
Further, the inlet end of the mining area hot wet air simulation device 4 is an outdoor air inlet pipe section 16, the heating and humidifying device 18 and the spray cooling device 17 are arranged in the mining area hot wet air simulation device 4, the heating and humidifying device 18 is located on one side of the spray cooling device 17, a spray water pond 81 is arranged at the bottom of the spray cooling device 17, one side of the spray water pond 81 at the bottom of the mining area hot wet air simulation device 4 is connected with a mining area hot wet air simulation device cold source return water pipeline 53, a mining area hot wet air simulation device cold source return water pipeline 53 is provided with a mining area hot wet air simulation device cold source return water on-off valve 38, a spray reservoir return water pipeline 54 is connected with a spray reservoir return water pipeline 54 of the mining area hot wet air simulation device cold source return water on-off valve 38 through a three-way valve, the other end of the spray reservoir return water pipeline 54 is connected with a filter device 30 through a three-way, the other end of the filter device 30 is connected with a spray reservoir return water pump 9, the front end of the mining area hot wet air simulation device 9 is provided with a spray reservoir temperature pressure test device 39, the other end of the spray water tank return water pipeline is connected with a spray water tank return water pipeline 82 through the three-way valve 36, the spray water return water pipeline 82 is connected with the spray water tank return water pipeline 82 through the three-way valve 36, and the spray water pipeline is connected with the water pipeline 82, and the other end of the spray water pipeline is connected with the ice return pipeline through the water pipeline valve 36, and the ice water pipeline is connected with the ice pipeline has an ice water pipeline.
Further, one side of the spray water tank 81 is connected with a hot and humid air simulator cold source return pipe 53, the bottom end of the spray cooling device 17 is connected with a hot and humid air simulator cold source water supply pipe 52, the front end of the hot and humid air simulator cold source water supply pipe 52 is provided with a hot and humid air simulator cold source water temperature and pressure testing device 42, one end of the hot and humid air simulator cold source water temperature and pressure testing device 42 is connected with a hot and humid air simulator cold source flow regulating valve 37, one end of the hot and humid air simulator cold source flow regulating valve 37 is connected with a hot and humid air simulator cold source flowmeter 32, one end of the hot and humid air simulator cold source flowmeter 32 is connected with a hot and humid air simulator cold source water supply pump 23, and one end of the hot and humid air simulator cold source water supply pump 23 is connected with the water reservoir 12 at the lower part of the large enthalpy difference cooling and dehumidifying device 1.
Further, the outlet end of the mining area hot and humid air simulation device 4 is provided with a mining area hot and humid air simulation device outlet water blocking device 50, the outer surface of the mining area hot and humid air simulation device outlet water blocking device 50 is provided with an outlet water blocking plate, the outer side of the mining area hot and humid air simulation device 4 is connected with an air outlet end interface of the mining area hot and humid air simulation device 4, the inner side of the mining area hot and humid air simulation device 4 outlet water blocking plate is provided with a mining area hot and humid air simulation device outlet temperature and humidity sensor 22, the air outlet end of the mining area hot and humid air simulation device 4 is connected with the variable frequency fan 10 through a mining area hot and humid air simulation device air outlet end interface 26, the other end of the variable frequency fan 10 is connected with an air supply pipe measuring section 14, the surface of the air supply pipe measuring section 14 is sequentially provided with an air volume adjusting valve 29, a mine mining area air supply dust simulation device 13, an air volume and an air pressure testing device 15 from right to left, the inner inlet end of the mining area hot and humid air simulation device 4 is provided with a fan air inlet temperature and humidity sensor 21, the outlet end of the mining area hot and humid air simulation device 14 is connected with a large enthalpy difference cooling and dehumidifying device air inlet end interface 25, and the other side of the large enthalpy difference cooling and dehumidifying device 25 is connected with the enthalpy difference dehumidifying device 1.
Further, the inner inlet end of the big enthalpy difference cooling and dehumidifying device 1 is provided with a front water baffle 49, the air inlet side of the front water baffle 49 is provided with a big enthalpy difference cooling and dehumidifying device air inlet temperature and humidity testing device 43, the other side of the front water baffle 49 is provided with a secondary spraying device 2, the secondary spraying device 2 is connected with a spraying reservoir 12 at the lower part of the primary spraying device 3 through a secondary spraying water supply pipeline 55, the secondary spraying water supply pipeline 55 is provided with a filtering device 30 at the water absorbing end, the filtering device 30 is arranged at the water absorbing end of the secondary spraying pump 8, the outlet end of the secondary spraying pump 8 is provided with a secondary spraying water regulating valve 41, the other end of the secondary spraying water regulating valve 41 is provided with a secondary spraying water temperature and humidity testing device 76, one end of the secondary spraying water temperature and humidity testing device 76 is connected with the secondary spraying device 2, the middle part of the shell of the big enthalpy difference cooling and dehumidifying device 1 and the outlet end of the secondary spraying device 2 are provided with an overhaul window 31, the overhaul window 31 is positioned above the spray reservoir 12, a spray reservoir water level balance pore plate 24 is arranged at the middle part of the secondary spray device 2 and the primary spray device 3, a water level controller 61 is arranged at one side of the spray reservoir water level balance pore plate 24 close to the secondary spray device 2, a spray pipe overhaul valve 47 is arranged on the main pipe of the secondary spray device 2 and the primary spray device 3, a spray pipe is arranged on the secondary spray device 2 and the primary spray device 3, a spray pressure testing device 45 is arranged on the horizontal main pipe of the spray pipe, a rotatable water pipe joint 33 is arranged at the bottom end of the spray pipe, the rotatable water pipe joint 33 is connected with the spray pipe horizontal main pipe, a direction adjustable spray head 11 is arranged on the spray pipe, a large enthalpy difference cooling and dehumidifying device air outlet temperature and humidity testing device 44 and a spray pressure testing device 45 are arranged at the outlet side of the primary spray device 3, the other side of the spray pressure testing device 45 is provided with a rear water baffle 48, the two sides of the rear water baffle 48 are provided with spray pressure testing devices 45, the two sides of the rear water baffle 48 are provided with water baffle windage testing devices 20, the outer side of the rear water baffle 48 is connected with a large enthalpy difference cooling and dehumidifying device air outlet section 51, the inner part of the large enthalpy difference cooling and dehumidifying device air outlet section 51 is provided with an air flow outlet dust particle detector 84, the outer side of the primary spray device 3 is provided with a spray pipe horizontal main pipe which is connected with a primary spray water supply pipeline 80, the primary spray water supply pipeline 80 is provided with a primary spray water temperature testing device 83, the other end of the primary spray water supply pipeline 80 is connected with a spray backwater circulating pipeline 56 through a tee joint, the position of the primary spray water supply pipeline 80 close to the spray reservoir 12 is provided with a cold source water temperature pressure testing device 28, the rear end of the cold source water temperature pressure testing device 28 is provided with a cold source water flow regulating valve 35, the other end of the cold source water flow regulating valve 35 is connected with a primary spray pump 7, one end of the primary spray pump 7 is fixedly connected with a filter device 30, the rear end of the filter device 30 is connected with an ice water supply pipe 57 through one end of a three-way pipeline, the water inlet end of the ice water supply pipe 57 is connected with an ice water tank A water supply port 66, the top end of the ice water tank A water supply port 66 is provided with an ice water tank A water supply valve 64, the rear end of the ice water tank A water supply port 66 is provided with an ice water tank 6, the rear end of the filter device 30 of the primary spray pump 7 is connected with a chilled water supply pipe 60 through the other end of the three-way pipeline, one end of the chilled water supply pipe 60 is connected with a constant temperature water chilling unit 5, a backwater circulating pipeline is arranged in the spray reservoir 12, the water outlet end of the backwater circulating pipeline is provided with a circulating spray water regulating valve 40, the surface of the circulating spray water regulating valve 40 is provided with a circulating spray water flow meter 34, the rear end of the circulating spray water flow meter 34 is connected with the water outlet end of the cold source water return pipeline 53 of the mining area hot and humid air simulation device through one end of a tee joint, the rear end of the circulating spray water flow meter 34 is connected with a spraying backwater ice melting pipeline 82 through the other end of the tee joint, a circulating backwater flow regulating valve 36 is arranged on the surface of the spraying backwater ice melting pipeline 82, the spraying backwater ice melting pipeline 82 at the other end of the circulating backwater flow regulating valve 36 is connected with the water inlet pipe of the ice melting tank 6, and the spraying backwater ice melting pipeline 82 is connected with a frozen water return pipe 58 through the tee joint, so that the large enthalpy difference cooling device of the mining area is formed;
The cold source system comprises an ice water tank 6 and a constant temperature water chilling unit 5, the ice water tank 6 and the constant temperature water chilling unit 5 form a double cold source combination, the ice water tank 6 is used as a small experiment test, the constant temperature water chilling unit 5 is matched with the ice water tank 6 to be used as a cold source under large and medium refrigeration load, a chilled water return pipe 58 of the constant temperature water chilling unit 5 is connected with a spray water return ice melting pipeline 82 in parallel through a tee joint and then is connected into a spray water reservoir return pipeline 54, a chilled water return control valve 73 of the chilled water chilling unit is arranged on the surface of the chilled water return pipe 58, the chilled water return control valve 73 of the chilled water chilling unit is electrically connected with the constant temperature water chilling unit 5, and the water return pipe 54 of the spray water reservoir is connected into a water return connecting pipe 69 of the ice water tank 6 to form a water and return loop of the cold source of the large enthalpy difference cooling and dehumidifying device 1; the chilled water supply pipe 60 of the chiller is connected in parallel with the ice water supply pipe 57 through a tee joint and then connected into the large enthalpy difference cooling and dehumidifying device cold source supply pipe 59, the large enthalpy difference cooling and dehumidifying device cold source supply pipe 59 is provided with a primary spray pump 7, the surface of the large enthalpy difference cooling and dehumidifying device cold source supply pipe 59 is provided with a cold source water flowmeter 27 and a cold source water flow regulating valve 35, the flow of the large enthalpy difference cooling and dehumidifying device cold source supply pipe 59 is regulated and controlled, and the large enthalpy difference cooling and dehumidifying device cold source supply pipe 59 is connected into the primary spray supply pipeline 80 after being connected in parallel and mixed with the spray backwater circulating pipeline 56 through the tee joint to form a cold water source of the primary spray device 3;
The ice water tank A62 and the ice water tank B63 have the same structure, an ice water tank A water supply port 66 is arranged at the bottom of one side of the ice water tank A62, an ice water tank A water supply valve 64 is arranged on the surface of the ice water tank A water supply port 66, an A water supplementing and returning pipe is arranged on the upper side of a water tank wall opposite to the ice water tank A water supply port 66, an A water supplementing and returning valve 67 is arranged at the position, close to the outer wall of the water tank, of the A water supplementing and returning pipe, a vertical water distribution pipe 71 is connected to the rear end of the A water supplementing and returning valve 67, ice water tank A temperature testing devices 74 are arranged in the ice water tank A62 at a certain distance from the ice water distribution nozzles 72, the ice water tank A62 is connected with an ice water tank B water supply port and a valve 70 of the ice water tank B63 in parallel, then is led into a water supplementing and returning connecting pipe 69, an ice tank B63 water supply port is arranged at the bottom of one side of the ice water tank B63, a B water supplementing and returning pipe 65 is arranged at the upper side of the water tank B63 water supply port, a B water supplementing and returning pipe 65 is arranged at the position, close to the outer wall of the water tank B water supplementing and is connected with a B water supplementing and returning valve 68, a vertical water distribution pipe 71 is connected to the rear end of the water distribution valve, a certain distance from the ice water tank B water supplying and water supplying valve is connected with a water tank B temperature testing device 75, and a certain temperature testing device is arranged at the ice water tank temperature testing device 75.
Further, the test control system comprises a variable frequency fan 10, a fan air inlet temperature and humidity sensor 21 is arranged at the inlet of the variable frequency fan 10, an air quantity and air pressure testing device 15 is arranged at one end of an air supply pipe measuring section 14, an air quantity regulating valve 29 is arranged on the surface of the air supply pipe measuring section 14, an outlet section of a spray cooling device 17 is provided with an outlet temperature and humidity sensor 22 of a hot and humid air simulation device of a mining area, a front end of a front water baffle 49 in the large enthalpy difference cooling and dehumidifying device 1 is provided with an inlet temperature and humidity testing device 43 of the large enthalpy difference cooling and dehumidifying device, a spray windage testing device 19 is arranged at the inlet of the primary spraying device 3 and the outlet of the secondary spraying device 2, water baffle windage testing devices 20 are arranged at the front end and the rear end of the rear water baffle 48, an outlet of the secondary spraying device 2 is provided with an outlet temperature and humidity testing device 44 of the large enthalpy difference cooling and dehumidifying device, and all the testing devices transmit data to a measurement and control system platform 77 for storage and processing, and the above are constructed into a testing system for testing air side heat flow parameters.
Further, the surface of the chilled water supply pipe 60 is provided with a cold source water flowmeter 27, one side of the cold source water flowmeter 27 is provided with a cold source water temperature pressure testing device 28, the rear end of the cold source water temperature pressure testing device 28 is provided with a cold source water flow regulating valve 35, the surface of the primary spraying water supply pipeline 80 is provided with a primary spraying water temperature testing device 83, one end of the spraying water return circulation pipeline 56 is provided with a circulating spraying water flow meter 34, one side of the circulating spraying water flow meter 34 of the spraying water return circulation pipeline 56 is provided with a spraying reservoir water return temperature pressure testing device 39, the surface of the spraying water return circulation pipeline 56 is provided with a circulating spraying water regulating valve 40, the surface of the spraying water return ice melting pipeline 82 is provided with a circulating water return flow regulating valve 36, one end of the primary spraying pipe is provided with a spraying pressure testing device 45, all the testing devices transmit data to the measurement and control system platform 77 for storage and processing, and the primary spraying water flow and temperature testing control system is formed by the above devices.
Further, a water level balance orifice plate 24 of the spray reservoir is arranged in the spray reservoir 12, a water level controller 61 is uniformly arranged on the inner wall of the spray reservoir 12, and the water level balance system of the spray reservoir 12 is formed by the above devices.
Further, an ice water tank a temperature testing device 74 is arranged in the ice water tank a62 of the ice water tank 6, an ice water tank B temperature testing device 75 is arranged in the ice water tank B63 of the ice water tank 6, and all the testing devices transmit data to a measurement and control system platform 77 to store and process the data to form a water temperature testing system of the ice water tank 6.
Further, the air supply pipe measuring section 14 is provided with an air flow inlet dust particle detector 85 at the rear side of the air supply dust simulation device 13 in the mining area, an air flow outlet dust particle detector 84 is arranged at one side, close to the rear water baffle 48, inside the air outlet section 51 of the large enthalpy difference cooling and dehumidifying device, all test data are transmitted to the measurement and control system platform 77 for storage and processing and are fed back to the air supply dust simulation device 13 in the mining area, so that a dust concentration test and simulation control system is formed.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (6)
1. The utility model provides a heat and humidity exchange performance testing arrangement of big enthalpy difference cooling equipment in heat injury mine mining area, includes mining area hot humid air analogue means (4), big enthalpy difference cooling dehydrating unit (1), cold source system, test control system, its characterized in that: the hot wet air simulation device (4) is connected with the large enthalpy difference cooling and dehumidifying device (1) through an air inlet end connector (25) of the large enthalpy difference cooling and dehumidifying device, an air outlet end connector (26) of the hot wet air simulation device of a mining area and an air supply dust simulation device (13) of the mining area, the cold source system is connected with the chilled water return pipe (58), a cold source water supply pipe (59) of the large enthalpy difference cooling and dehumidifying device and a primary spraying water supply pipeline (80) through a tee joint, the test control system is electrically connected with the hot wet air simulation device (4) of the mining area, the large enthalpy difference cooling and dehumidifying device (1) and the cold source system, and the test control system comprises a test control system of air side heat flow parameters, a test control system of primary spraying water flow and temperature, a cooling and dehumidifying control system of the hot wet air simulation device (4) of the mining area, a water level balance system of a spraying reservoir (12) and a test and simulation control system of dust concentration; a spray cooling device (17) is arranged in the hot and humid air simulation device (4) of the mining area; a pipeline at one end of a cold source backwater start-stop valve (38) of the hot and humid air simulator in the mining area is connected with a backwater pipeline (54) of a spray reservoir of the large enthalpy difference cooling and dehumidifying device (1) through a three-way valve; the outlet end of the mining area hot and humid air simulation device (4) is provided with a mining area hot and humid air simulation device outlet water baffle device (50), and the outer surface of the mining area hot and humid air simulation device outlet water baffle device (50) is provided with an outlet water baffle; the ice water tank A (62) and the ice water tank B (63) have the same structure; wherein, ice blocks are contained in the ice water tank A (62), and crushed ice is contained in the ice water tank B (63);
The hot and humid air simulator (4) with the mining area inlet end is an outdoor air inlet pipe section (16), heating and humidifying device (18) are arranged in the hot and humid air simulator (4) with the mining area inlet end, the heating and humidifying device (18) is located at one side of the spray cooling device (17), a spray water tank (81) is arranged at the bottom of the spray cooling device (17), one side of the spray water tank (81) at the bottom of the hot and humid air simulator (4) with the mining area hot and humid air simulator cold source water return pipeline (53) is connected, a cold source water return valve (38) of the hot and humid air simulator with the mining area is arranged on the surface of the cold source water return pipeline (53), a spray water reservoir (12) of the large enthalpy difference cooling and dehumidifying device (1) is connected with a spray water reservoir water return pipeline (54), the other end of the spray water reservoir water return pipeline (54) is connected with a spray water reservoir water return pump (9) through a tee joint filter device (30), the other end of the spray water reservoir water return pump (9) is connected with a water reservoir water return pipeline (39) through a tee joint, the water return pipeline (39) is connected with a water return pipeline (82) through a test device, the surface of the spray backwater ice melting pipeline (82) is provided with a circulating backwater flow regulating valve (36), the spray backwater ice melting pipeline (82) at the other end of the circulating backwater flow regulating valve (36) is connected with a water inlet pipe of the ice melting water tank (6), and the spray backwater ice melting pipeline (82) is connected with a chilled water return pipe (58) through a tee joint;
One side of the spray pool (81) is connected with a hot and humid air simulator cold source water return pipeline (53), the bottom end of the spray cooling device (17) is connected with a hot and humid air simulator cold source water supply pipeline (52), the front end of the hot and humid air simulator cold source water supply pipeline (52) is provided with a hot and humid air simulator cold source water temperature pressure testing device (42), one end of the hot and humid air simulator cold source water temperature pressure testing device (42) is connected with a hot and humid air simulator cold source flow regulating valve (37), one end of the hot and humid air simulator cold source flow regulating valve (37) is connected with a hot and humid air simulator cold source flowmeter (32), one end of the hot and humid air simulator cold source flowmeter (32) is connected with a hot and humid air simulator cold source pump (23), and one end of the hot and humid air simulator cold source pump (23) is connected with a spray reservoir (12) at the lower part of the big enthalpy difference cooling device (1);
the utility model discloses a large enthalpy difference cooling and dehumidifying device, which is characterized in that a front water baffle (49) is arranged at the inner inlet end of the large enthalpy difference cooling and dehumidifying device (1), a large enthalpy difference cooling and dehumidifying device air inlet temperature and humidity testing device (43) is arranged at the air inlet side of the front water baffle (49), a secondary spraying device (2) is arranged at the other side of the front water baffle (49), the secondary spraying device (2) is connected with a spraying reservoir (12) at the lower part of a primary spraying device (3) through a secondary spraying water supply pipeline (55), a filtering device (30) is arranged at the water absorption end of the secondary spraying water supply pipeline (55), a secondary spraying water regulating valve (41) is arranged at the outlet end of the secondary spraying pump (8), a secondary spraying water temperature and humidity testing device (76) is arranged at the other end of the secondary spraying water regulating valve (41), a secondary spraying device (2) is connected with one end of the secondary spraying water temperature testing device (76), a shell of the large enthalpy difference cooling and dehumidifying device (1) is provided with a water level balancing hole plate (31) at the upper part of the water level balancing device (12) and the water level balancing hole plate (24), the utility model discloses a water level control device for a water level pipeline of a water level storage tank, which is characterized in that a water level controller (61) is arranged on one side of a water level balance pore plate (24) of the water level storage tank, which is close to a secondary spraying device (2), a spraying pipe overhaul valve (47) is arranged on a main pipe of the secondary spraying device (2) and a primary spraying device (3), the spraying pipe is arranged on the horizontal main pipe of the spraying pipe, a spraying pressure testing device (45) is arranged on the horizontal main pipe of the spraying pipe, a rotatable water pipe joint (33) is arranged at the bottom end of the spraying pipe, the rotatable water pipe joint (33) is connected with the horizontal main pipe of the spraying pipe, a direction adjustable spray head (11) is arranged on the spraying pipe, a large enthalpy difference cooling and dehumidifying device air-out temperature and humidity testing device (44) and a spraying pressure testing device (45) are arranged on the outlet side of the primary spraying device (3), a rear water baffle plate (48) is arranged on the other side of the spraying pressure testing device (45), a water baffle (48) is arranged on two sides of the rear water baffle plate (48), a water baffle testing device (20) is arranged on two sides of the rear water baffle plate (48), a large enthalpy difference cooling and dehumidifying device (84) is connected with a large enthalpy difference cooling and dehumidifying device (51) air-out section cooling and a large enthalpy difference cooling particle cooling device (51) is arranged on the outlet side of the water baffle section, the outside of one-level spray set (3) is equipped with shower horizontal main pipe and one-level spray water supply pipeline (80) and links to each other, one-level spray water supply pipeline (80) is equipped with one-level spray water temperature testing arrangement (83), the one-level spray water supply pipeline (80) other end is connected with spray return water circulation pipeline (56) through the tee bend, the position that one-level spray water supply pipeline (80) is close to spray cistern (12) is equipped with cold source temperature pressure testing arrangement (28), cold source water temperature pressure testing arrangement (28)'s rear end installs cold source water flow regulating valve (35), cold source water flow regulating valve (35) the other end is connected with one-level spray pump (7), one end fixedly connected with filter equipment (30) of one-level spray pump (7), the one end of filter equipment (30) is connected with frozen water delivery pipe (57) through the one end of tee bend pipeline, the water inlet connection of frozen water delivery pipe (57) is iced water delivery pipe (66), frozen water tank A water delivery port (66) top is equipped with frozen water tank A water supply valve (64), the rear end of frozen water tank A delivery valve (66), the one end of frozen water delivery pipe (6) is connected with the one-level of water delivery pipe (60) through the tee bend pipeline (60), the inside of the spray reservoir (12) is provided with a backwater circulation pipeline, the water outlet end of the backwater circulation pipeline is provided with a circulation spray water regulating valve (40), the surface of the circulation spray water regulating valve (40) is provided with a circulation spray water flow meter (34), the rear end of the circulation spray water flow meter (34) is connected with the water outlet end of a cold source backwater pipeline (53) of the hot and humid air simulator of a mining area through one end of a tee joint, the rear end of the circulation spray water flow meter (34) is connected with a spray backwater ice melting pipeline (82) through the other end of the tee joint, the surface of the spray backwater ice melting pipeline (82) is provided with a circulation backwater flow regulating valve (36), the spray backwater ice melting pipeline (82) at the other end of the circulation backwater flow regulating valve (36) is connected with a water inlet pipe of the ice melting tank (6), and the spray backwater ice melting pipeline (82) is connected with a frozen water backwater pipe (58) through the tee joint, so that a large enthalpy difference cooling device of the mining area is formed;
The cold source system comprises an ice water tank (6) and a constant-temperature water chilling unit (5), the ice water tank (6) and the constant-temperature water chilling unit (5) form a double cold source combination, the ice water tank (6) is used as a small experiment test, the constant-temperature water chilling unit (5) is matched with the ice water tank (6) to serve as a cold source under large and medium refrigeration load, a chilled water return pipe (58) of the constant-temperature water chilling unit (5) is connected in parallel with a spraying return water ice melting pipeline (82) through a tee joint and then is connected into a spraying reservoir return water pipeline (54), a chilled water return control valve (73) of the chilled water chilling unit is arranged on the surface of the chilled water return pipe (58), the chilled water return control valve (73) of the chilled water chilling unit is electrically connected with the constant-temperature water chilling unit (5), and a water return connection pipe (69) of the spraying reservoir return water pipeline (54) is connected into a water supply pipe (69) of the cold source of the ice water tank (6) to form a water supply loop of the large enthalpy difference cooling and dehumidifying device (1); the cold water supply pipe (60) of the chilled water machine set is connected in parallel with the ice water supply pipe (57) through a tee joint and then connected into the cold source water supply pipe (59) of the large enthalpy difference cooling and dehumidifying device, the cold source water supply pipe (59) of the large enthalpy difference cooling and dehumidifying device is provided with a primary spray pump (7), the surface of the cold source water supply pipe (59) of the large enthalpy difference cooling and dehumidifying device is provided with a cold source water flowmeter (27) and a cold source water flow regulating valve (35), the flow of the cold source water supply pipe (59) of the large enthalpy difference cooling and dehumidifying device is regulated and controlled, and the cold source water supply pipe (59) of the large enthalpy difference cooling and dehumidifying device is connected into a primary spray water supply pipeline (80) after being connected in parallel and mixed with a spray return water circulation pipeline (56) through the tee joint, so as to form a cold water source of the primary spray device (3);
An ice water tank A water supply port (66) is arranged at the bottom of one side wall of the ice water tank A (62), an ice water tank A water supply valve (64) is arranged on the surface of the ice water tank A water supply port (66), an A-supplementing water return pipe is arranged at the upper side of the water tank wall opposite to the ice water tank A water supply port (66), an A-supplementing water return valve (67) is arranged at the position, close to the outer wall of the water tank, of the A-supplementing water return valve (67), the rear end of the A-supplementing water return valve (67) is connected with a vertical water distribution pipe (71), ice melting nozzles (72) are uniformly distributed on the surface of the vertical water distribution pipe (71), an ice water tank A temperature testing device (74) is arranged in the ice water tank A (62) at a certain distance from the ice melting nozzles (72), the ice water tank A (62) is connected in parallel with an ice water tank B water supply port of the ice water tank B (63) and a valve (70) through an A water supplementing and returning pipe and then is converged into a water supplementing and returning connecting pipe (69), the bottom of one side of the ice water tank B (63) is provided with the ice water tank B (63) water supply port, the upper part of one side of the water supply port of the ice water tank B (63) is provided with a B water supplementing and returning pipe (65), a B water supplementing and returning valve (68) is arranged at the position, close to the outer wall of the water tank, of the B water supplementing and returning pipe (65), the rear end of the B water supplementing and returning valve (68) is connected with a vertical water distributing pipe (71), and an ice water tank B temperature testing device (75) is arranged in the ice water tank B (63) at a certain distance from an ice melting nozzle (72);
The inside of spraying cistern (12) is equipped with and sprays cistern water level balance orifice (24), the inner wall of spraying cistern (12) evenly is equipped with water level controller (61), and the water level balance system of spraying cistern (12) is constituteed to above device.
2. The heat-moisture exchange performance testing device of the large enthalpy difference cooling equipment of the heat damage mine mining area according to claim 1, wherein the heat-moisture exchange performance testing device is characterized in that: the hot humid air simulator comprises a hot humid air simulator body (4), an air outlet end connector of the hot humid air simulator body (4) of a mining area is connected to the outer side of an outlet water baffle of the hot humid air simulator body (4), an outlet temperature and humidity sensor (22) of the hot humid air simulator body of the mining area is arranged on the inner side of the outlet water baffle of the hot humid air simulator body (4), the air outlet end of the hot humid air simulator body (4) of the mining area is connected with a variable frequency fan (10) through an air outlet end connector (26) of the hot humid air simulator body of the mining area, the other end of the variable frequency fan (10) is connected with an air supply pipe measuring section (14), the surface of the air supply pipe measuring section (14) is sequentially provided with an air volume regulating valve (29), a mine mining area air supply dust simulator body (13), an air volume and an air pressure testing device (15), an inlet end of the hot humid air simulator body (4) of the mining area is provided with a fan air inlet temperature and humidity sensor (21), and an outlet end of the air supply pipe measuring section (14) is connected with an air inlet end connector (25) of a large enthalpy difference cooling and a temperature and dehumidifying device, and the other side of the large enthalpy cooling and dehumidifying device is connected with the large enthalpy cooling device (1).
3. The heat-moisture exchange performance testing device of the large enthalpy difference cooling equipment of the heat damage mine mining area according to claim 1, wherein the heat-moisture exchange performance testing device is characterized in that: the test control system comprises a variable frequency fan (10), a fan air inlet temperature and humidity sensor (21) is arranged at the inlet of the variable frequency fan (10), an air quantity and air pressure testing device (15) is arranged at one end of an air supply pipe measuring section (14), an air quantity regulating valve (29) is arranged on the surface of the air supply pipe measuring section (14), a hot and humid air simulation device outlet temperature and humidity sensor (22) is arranged at the outlet section of a spray cooling device (17), a front water baffle (49) front end is provided with a large enthalpy difference cooling and dehumidifying device air inlet temperature and humidity testing device (43) in the large enthalpy difference cooling and dehumidifying device (1), a spray wind resistance testing device (19) is arranged at the inlet of the primary spraying device (3) and the outlet of the secondary spraying device (2), a water baffle wind resistance testing device (20) is arranged at the front end and the rear end of the rear water baffle (48), a large enthalpy difference cooling and dehumidifying device air outlet temperature and humidity testing device (44) is arranged at the outlet of the secondary spraying and cooling and dehumidifying device, and all testing devices transmit data to a system platform (77) to store and process, so that a system with side heat flow is constructed, and a system with testing parameters is constructed.
4. The heat-moisture exchange performance test device of the large enthalpy difference cooling equipment for the mining area of the heat damage mine according to claim 3, wherein the heat-moisture exchange performance test device comprises the following components: the surface of chilled water delivery pipe (60) is equipped with cold source water flowmeter (27), one side of cold source water flowmeter (27) is equipped with cold source water temperature pressure testing arrangement (28), cold source water flow control valve (35) are installed to the rear end of cold source water temperature pressure testing arrangement (28), the surface of one-level spray water supply line (80) is equipped with one-level spray water temperature testing arrangement (83), the one end of spraying return water circulation pipeline (56) is equipped with circulation spray water flowmeter (34), circulation spray water flowmeter (34) one side of spraying return water circulation pipeline (56) is equipped with spray cistern return water temperature testing arrangement (39), the surface of spraying return water circulation pipeline (56) is equipped with circulation spray water regulating valve (40), the surface of spraying return water ice melting pipeline (82) is equipped with circulation return water flow regulating valve (36), and one end of one-level spray pipe is equipped with sprays pressure testing arrangement (45), and all testing arrangement is with data transmission to observe and control system platform (77) and store and handle, constitute the test control system of one-level spray water flow and temperature by above device.
5. The heat-moisture exchange performance testing device of the large enthalpy difference cooling equipment of the heat damage mine mining area according to claim 1, wherein the heat-moisture exchange performance testing device is characterized in that: the ice water tank is characterized in that an ice water tank A temperature testing device (74) is arranged in an ice water tank A (62) of the ice water tank (6), an ice water tank B temperature testing device (75) is arranged in an ice water tank B (63) of the ice water tank (6), and all the testing devices transmit data to a measurement and control system platform (77) for storage and processing, so that a water temperature testing system of the ice water tank (6) is formed by the devices.
6. The heat-moisture exchange performance testing device of the heat damage mine mining area large enthalpy difference cooling equipment according to claim 5, wherein the heat-moisture exchange performance testing device is characterized in that: the position of blast pipe measurement section (14) in mine district air supply dust analogue means (13) rear side is equipped with wind stream import dust particle detector (85), the inside one side that just is close to back breakwater (48) of big enthalpy difference cooling dehydrating unit air-out section (51) is equipped with wind stream export dust particle detector (84), all test data transmission stores and handles to observing and controlling system platform (77) to feed back to mine district air supply dust analogue means (13), thereby constitute the test and the analog control system of dust concentration.
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