CN109900863A - A kind of air cooler for mining gas side dirt distribution simulation experimental provision - Google Patents
A kind of air cooler for mining gas side dirt distribution simulation experimental provision Download PDFInfo
- Publication number
- CN109900863A CN109900863A CN201910226762.6A CN201910226762A CN109900863A CN 109900863 A CN109900863 A CN 109900863A CN 201910226762 A CN201910226762 A CN 201910226762A CN 109900863 A CN109900863 A CN 109900863A
- Authority
- CN
- China
- Prior art keywords
- air cooler
- dirt
- gas side
- temperature
- connect
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Aerodynamic Tests, Hydrodynamic Tests, Wind Tunnels, And Water Tanks (AREA)
Abstract
The invention discloses a kind of air cooler for mining gas side dirt distribution simulation experimental provisions, including mine high-temperature, high humidity, high dustiness environment simulator, air cooler for mining simulator and air cooler gas side dirt to be distributed scanning means；Mine high-temperature, high humidity, high dustiness environment simulator include hair dirt device, simulation tunnel, air speed control device, constant temperature humidifier, heating device and temperature control equipment, and air cooler for mining simulator includes the air cooler water temperature control device for being placed in the air cooler simulated in tunnel and being arranged in outside simulation tunnel；Air cooler gas side dirt, which is distributed scanning means, to carry out 3D scanning on the outside of the finned tube to air cooler, and can export gas side dirt distributed areas, dirt thickness.Present invention environment simulator according to made by the high temperature in practical tunnel, high humidity mechanism of production can more accurately simulate mine high-temperature, high humidity, environment dusty, and experimental data is more reliable；But also it can accurately understand air cooler for mining gas side dirt generation mechanism；To air cooler for mining structure optimization, anti-, descalling technique research and raising cooling effect have important theoretical significance.
Description
Technical field
The invention belongs to mine air-conditioning technical fields, and it is real to be specifically related to a kind of air cooler for mining gas side dirt distribution simulation
Experiment device.
Background technique
The high fever of deep-well environment, high humidity, high dustiness problem are that deep resource exploits met with one of important problem.According to
Investigation, deep coalmine temperature is generally up to 30 DEG C or more at present, and relative humidity is more than 80%, and every square meter bug dust concentration is up to
Several hundred or even thousands of milligrams have seriously affected the physical and mental health and labor efficiency of worker.Artificial cooling falling temperature technique is to alleviate mine
The important means of well high temperature and humidity, mine at home and abroad have obtained commonly used.What full sea academician and its team propose complete
Wind cooling mode has even more greatly played the effect of cooling device.Air cooler positioned at cooling device end is control working face
The key equipment of temperature, humidity.However, coal dust, rock dirt are easily attached to tube wall due to the high humility of mine, environment dusty
On cause additional thermal resistance, to reduce the coefficient of heat transfer, reduce heat exchange efficiency, decline its cooling ability, and then reduce cooling effect
Fruit, production safety are also greatly threatened.
Air cooler for mining studies the distribution of its gas side dirt and heat exchanger heat-transfer performance is studied as heat exchanger, heat exchanger
The optimization of structure, heat exchanger scale removal, the research for controlling dirty method are of great importance.And in existing research, heat exchanger gas side is dirty
Dirt is quantified with weight, the size of thermal resistance, it is difficult to really understand its distribution and generation mechanism.And it can by the device
The accumulation locations for intuitively observing dirt, establish environmental parameter and are associated with what dirt was distributed, this is for optimizing air cooler structure, mentioning
Rising heat transfer property has theory directive significance.
Summary of the invention
In order to solve the above technical problem, the present invention provides one kind can accurately simulate mine high-temperature, high humidity, dusty
Environment accurately understands air cooler for mining gas side dirt generation mechanism, can prevent, scale removal skill air cooler for mining structure optimization
Art research and the air cooler for mining gas side dirt distribution simulation experimental provision that cooling effect offer theoretical significance is provided.
The technical solution adopted by the present invention is that: a kind of air cooler for mining gas side dirt distribution simulation experimental provision, including mine
Well high temperature, high humidity, high dustiness environment simulator, air cooler for mining simulator and air cooler gas side dirt distribution scanning dress
It sets；
The mine high-temperature, high humidity, high dustiness environment simulator include hair dirt device, simulation tunnel, air speed control device,
Constant temperature humidifier, heating device and temperature control equipment, hair dirt device, air speed control device, constant temperature humidifier respectively with
Simulate tunnel connection；In simulation tunnel, heating device is connect with temperature control equipment for heating device setting；Simulate the end in tunnel
End is equipped with dust-extraction unit；
The air cooler for mining simulator includes the air cooler being placed in simulation tunnel and is arranged in outside simulation tunnel
Air cooler water temperature control device, air cooler water temperature control device are connect with air cooler；
The air cooler gas side dirt distribution scanning means can carry out 3D scanning on the outside of the finned tube to air cooler, and can be defeated
Gas side dirt distributed areas, dirt thickness out.
In above-mentioned air cooler for mining gas side dirt distribution simulation experimental provision, what the side wall in the simulation tunnel used
It is hollow structure, heating cable, temperature sensor and humidity sensor, temperature sensor and heating cable difference is equipped in cavity
It is connect with temperature control equipment, humidity sensor is connect with constant temperature humidifier；The inner wall of cavity is equipped with multiple steams and portals,
Constant temperature humidifier is connect by steam pipeline with the steaming gas entering opening on cavity outer wall；The hair dirt device includes hair dirt machine
And air compressor, hair dirt machine use metered aerosol generator, hair dirt machine is connected with air compressor.
In above-mentioned air cooler for mining gas side dirt distribution simulation experimental provision, the air speed control device includes blower
And simulation tunnel, the outlet connection of the other end and blower are protruded into air duct, one end of air duct.
In above-mentioned air cooler for mining gas side dirt distribution simulation experimental provision, air cooler water temperature control device includes water pump
I, the import of water pump II, water bath, evaporator, condenser, compressor, capillary, the water pump I is connect with water bath, water
It pumps the outlet of I and the import of the finned tube of air cooler connects, the outlet of the finned tube of air cooler is connect with water bath；The water
The import of pump II is connect with water bath, is exported and is connect with the import of evaporator primary side, and the outlet of evaporator primary side is linked back water
Bath cabinet；The import of the outlet connect compressor of evaporator secondary side, the import of the outlet connection condenser of compressor, condenser
The import of outlet connection capillary, the import of the outlet connection evaporator secondary side of capillary.
In above-mentioned air cooler for mining gas side dirt distribution simulation experimental provision, air cooler water temperature control device further includes temperature
Control cabinet is spent, temperature-controlled cabinet input terminal is connect with the temperature sensor in evaporator, and output end is connect with compressor.
In above-mentioned air cooler for mining gas side dirt distribution simulation experimental provision, the air cooler gas side dirt is equipped with and sweeps
Imaging apparatus, scanning means use CMS spatial digitizer, including laser center, yoke, azimuth driver, pedestal and controller；Swash
Light center is mounted on azimuth driver by yoke, and azimuth driver is installed on the base, laser center and azimuth driver
It is connect respectively with controller.
In above-mentioned air cooler for mining gas side dirt distribution simulation experimental provision, the one side wall for simulating tunnel is equipped with dirt
Acquisition window, the constant temperature humidifier is using ultrasonic constant temp humidifier；The dust-extraction unit is using dedusting
Bag.
Compared with prior art, the beneficial effects of the present invention are:
1) environment simulator of the invention according to made by the high temperature in practical tunnel, high humidity mechanism of production can more accurately
Mine high-temperature, high humidity, environment dusty are simulated, experimental data is more reliable；
2) water inlet of present invention energy real-time monitoring air cooler, return water temperature can export air cooler gas side dirt heat by calculating in real time
The size of resistance value；Meanwhile scanning means can be distributed after experiment by dirt to progress 3D scanning, exportable gas side on the outside of finned tube
Dirt distributed areas, dirt thickness can accurately understand air cooler for mining gas side dirt and generate machine in conjunction with the size of dirtiness resistance
System；
3) water temperature is adjustable in air cooler pipe, and fin tube spacing is adjustable, and analog operating parameter, structural parameters are for air cooler gas side
The influence of dirt distribution, the present invention can air cooler gas side under more accurate simulation Minepit environment dirt distribution, understand it
Generation mechanism, and to air cooler for mining structure optimization, anti-, descalling technique research and raising cooling effect have important theory to grind
Study carefully meaning.
Detailed description of the invention
Fig. 1 be mine high-temperature of the invention, high humidity, environment simulator dusty structure chart.
Fig. 2 is the structure chart of the side wall in simulation tunnel of the invention.
Fig. 3 is the structure chart of the inside sidewalls in simulation tunnel of the invention.
Fig. 4 is the structure chart of air cooler for mining simulator of the invention.
Fig. 5 is the structure chart of the finned tube of air cooler of the invention.
Fig. 6 is the structure chart of dirt distribution scanning means in air cooler gas side of the invention.
In figure: 1- sends out dirt device；2- powder transfer pipelines；3- simulates tunnel；4- humidity sensor；5- constant temperature humidifier；
6- steam pipeline；7- heats cable；8- temperature control equipment；9- air duct；10- blower；11- dust-extraction unit；The acquisition of 12- dirt
Window；13- temperature sensor；14- steams gas entering opening；15- steam portals；16- air cooler；17- air cooler water temperature control device；
18- water supplying pipe；19- return pipe；20- water pump I；21- water pump II；22- water bath；23- evaporator；24- compressor；25- system
Cryogen pipeline；26- condenser；27- filter；28- capillary；29- sensor；30- temperature-controlled cabinet 31- laser center；32-
Yoke；33- pin hole；34- azimuth driver；35- pedestal；36- data line；37- controller.
Specific embodiment
Following further describes the present invention with reference to the drawings.
As shown in figures 1 to 6, the present invention includes mine high-temperature, high humidity, high dustiness environment simulator, air cooler for mining mould
Quasi- device and air cooler gas side dirt are distributed scanning means.
As shown in Figure 1-3, the mine high-temperature, high humidity, high dustiness environment simulator include hair dirt device 1, mould
Quasi- tunnel 3, air speed control device, constant temperature humidifier 5 and temperature control equipment 8, the hair dirt device 1 are conveyed by dust
Pipeline 2 is connected to simulation tunnel.Sending out dirt device 1 includes hair dirt machine and air compressor, and hair dirt machine uses metered aerosol
Device (dirt device occurs for SAG type), the effect of hair dirt machine are storage dust, transport dust and control powder amount, send out dirt machine and air
Compressor connection, the effect of air compressor are storage pressure-airs for spraying dust, and dust is entered by powder transfer pipelines 2
Simulate tunnel 3.When being operated, hair dirt machine is connected with air compressor by appendix, air compressor constantly Xiang Fachen
Machine provides pressure-air, while sending out and to keep enough Dust Capacities in dirt machine, and sets required powder amount.
The side wall in the simulation tunnel 3 is modular detachable structure, and the side wall in simulation tunnel 3 is hollow structure, cavity
It is interior to be equipped with heating cable 7, temperature sensor 13 and humidity sensor 4, humidity sensor 4 and heating cable 7 respectively with temperature control
Device 8 processed connects, and temperature sensor 13 is connect with constant temperature humidifier 5.The inner wall of cavity is equipped with multiple steams and portals 15, constant temperature
Humidifier 5 is connect by steam pipeline 6 with the steaming gas entering opening 14 on cavity outer wall.Constant temperature humidifier 5 is using super
Sound constant temperature humidifier.
When constant temperature humidifier 5 is started to work, vapor is transported to by steaming gas entering opening 14 by steam pipeline 6 by mould
In the sidewall cavity in quasi- tunnel 3, then is portalled by steam and 15 be distributed uniformly in tunnel.Constant temperature humidifier 5 and temperature control
Humidity and temperature can be set respectively on device 8.Constant temperature humidifier 5 and temperature-controlled cabinet 8 by with end humidity sensor 4
Corresponding feedback mechanism is formed with temperature sensor 13, to guarantee to simulate relatively accurate temperature and humidity in tunnel.Simulate navigation channel 3
One side wall is equipped with dirt acquisition window 12, when acquisition, air cooler 16 is placed in the corresponding position of dirt acquisition window 12 in tunnel,
Then closed window.
The air speed control device includes blower 10 and air duct 9, and simulation tunnel 3, the other end and wind are protruded into one end of air duct 9
The outlet of machine 10 connects.When device is run, blower 10 is sent outside air in simulation tunnel 3 by air duct 9, and by adjusting
10 gear of blower controls tunnel wind speed.The dust-extraction unit 11 is using dust settling pocket.Under dust-laden operating condition, dust is with air-flow
Tunnel end is gradually come together in, is dusted by the dust settling pocket of end, prevents dust concentration excessive, and prevent dust pollution
Environment.
The mine air cooler simulator includes being placed in the air cooler 16 simulated in tunnel 3 and being placed in simulate tunnel 3
External air cooler water temperature control device 17.Air cooler 16 is formed by connecting by 5 groups of special copper tubes.The air cooler water temperature
Control device includes water pump I20, water pump II21, water bath 22, evaporator 23, condenser 26, compressor 24, temperature-controlled cabinet 30
And capillary 28, the import of the water pump I20 are connect with water bath 22, the outlet of water pump I20 and air cooler 16 and air cooler
The import of 17 finned tube connects, and the outlet of the finned tube of air cooler 16 and air cooler 17 is connect with water bath 22.The water
The import of pump II21 is connect with water bath 22, and outlet is connect with the import of 23 primary side of evaporator, and 23 primary side of evaporator goes out
Mouth is linked back water bath 22.The outlet of the import of the outlet connect compressor 24 of 23 secondary side of evaporator, compressor 24 connects condensation
The import of device 26, the import of the outlet connection capillary 28 of condenser 26, the outlet of capillary 28 connects 23 secondary side of evaporator
Import, the pipeline that condenser 26 is connect with capillary 28 be equipped with filter 27.The input terminal of temperature-controlled cabinet 30 and evaporation
Temperature sensor 29 in device 23 connects, and output end is connect with compressor 24, the temperature of adjustable chilled water.
When mine air cooler simulator works, refrigerant is by refrigerant tubing 25 and in evaporator 23, compressor 24,
Condenser 26 completes circulation in capillary 28, while the chilled water of certain temperature obtained is passed through water pump from water bath 22
I20 pressurization is sent into air cooler 16.
As shown in fig. 6, the air cooler gas side dirt is equipped with scanning means, scanning means uses CMS spatial digitizer,
Including laser center 31, yoke 32, azimuth driver 34, pedestal 35 and controller 37；Laser center 31 is installed by yoke 32
On azimuth driver 34, azimuth driver 34 is mounted on pedestal 35, and laser center 31 and azimuth driver 34 pass through respectively
Data line 36 is connect with controller 37.Pedestal 35 is equipped with pin hole 33.Pin hole 33 and pedestal 35 play fixed function, and orientation is driven
Dynamic device 34 and yoke 32 guarantee that certain angle scanning is pressed at laser controlling center 31.Data line 36 is used to charging and transmitting data,
Controller 37 is used to store the data after scanning well.In use, inputting initial parameter by external wireless device, determination needs to scan
Range and precision etc., the data after scanning are passed to external equipment by the controller in battery case 37, finally carry out at data
Reason, obtains corresponding CAD diagram.
Claims (7)
1. a kind of air cooler for mining gas side dirt distribution simulation experimental provision, it is characterized in that: including mine high-temperature, high humidity, Gao Han
Dust quantity environment simulator, air cooler for mining simulator and air cooler gas side dirt are distributed scanning means；
The mine high-temperature, high humidity, high dustiness environment simulator include hair dirt device, simulation tunnel, air speed control device,
Constant temperature humidifier, heating device and temperature control equipment, hair dirt device, air speed control device, constant temperature humidifier respectively with
Simulate tunnel connection；In simulation tunnel, heating device is connect with temperature control equipment for heating device setting；Simulate the end in tunnel
End is equipped with dust-extraction unit；
The air cooler for mining simulator includes the air cooler being placed in simulation tunnel and is arranged in outside simulation tunnel
Air cooler water temperature control device, air cooler water temperature control device are connect with air cooler；
The air cooler gas side dirt distribution scanning means can carry out 3D scanning on the outside of the finned tube to air cooler, and can be defeated
Gas side dirt distributed areas, dirt thickness out.
2. dirt distribution simulation experimental provision in air cooler for mining gas side according to claim 1, it is characterized in that: the mould
The side wall in quasi- tunnel is using hollow structure, and cavity is interior to be equipped with heating cable, temperature sensor and humidity sensor, and temperature passes
Sensor and heating cable are connect with temperature control equipment respectively, and humidity sensor is connect with constant temperature humidifier；The inner wall of cavity
It is equipped with multiple steams to portal, constant temperature humidifier is connect by steam pipeline with the steaming gas entering opening on cavity outer wall；It is described
Hair dirt device include hair dirt machine and air compressor, hair dirt machine uses metered aerosol generator, sends out dirt machine and air compression
Machine connection.
3. dirt distribution simulation experimental provision in air cooler for mining gas side according to claim 1, it is characterized in that: the wind
Velocity control device includes blower and air duct, and simulation tunnel, the outlet connection of the other end and blower are protruded into one end of air duct.
4. dirt distribution simulation experimental provision in air cooler for mining gas side according to claim 1, it is characterized in that: air cooler water
Temperature control device includes water pump I, water pump II, water bath, evaporator, condenser, compressor, capillary, the water pump I's
Import is connect with water bath, the import of the finned tube of the outlet and air cooler of water pump I connection, the outlet of the finned tube of air cooler with
Water bath connection；The import of the water pump II is connect with water bath, and outlet is connect with the import of evaporator primary side, evaporator
The outlet of primary side is linked back water bath；The outlet connection of the import of the outlet connect compressor of evaporator secondary side, compressor is cold
The import of condenser, the import of the outlet connection capillary of condenser, the import of the outlet connection evaporator secondary side of capillary.
5. dirt distribution simulation experimental provision in air cooler for mining gas side according to claim 1, it is characterized in that: air cooler water
Temperature control device further includes temperature-controlled cabinet, and temperature-controlled cabinet input terminal is connect with the temperature sensor in evaporator, output end
It is connect with compressor.
6. dirt distribution simulation experimental provision in air cooler for mining gas side according to claim 1, it is characterized in that: the sky
Cooler gas side dirt is equipped with scanning means, and scanning means uses CMS spatial digitizer, including laser center, yoke, orientation to drive
Device, pedestal and controller；Laser center is mounted on azimuth driver by yoke, and azimuth driver is installed on the base, is swashed
Light center and azimuth driver are connect with controller respectively.
7. dirt distribution simulation experimental provision in air cooler for mining gas side according to claim 1, it is characterized in that: simulation tunnel
One side wall be equipped with dirt acquisition window；The constant temperature humidifier is using ultrasonic constant temp humidifier；Described removes
Dirt device is using dust settling pocket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910226762.6A CN109900863A (en) | 2019-03-25 | 2019-03-25 | A kind of air cooler for mining gas side dirt distribution simulation experimental provision |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910226762.6A CN109900863A (en) | 2019-03-25 | 2019-03-25 | A kind of air cooler for mining gas side dirt distribution simulation experimental provision |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109900863A true CN109900863A (en) | 2019-06-18 |
Family
ID=66952902
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910226762.6A Pending CN109900863A (en) | 2019-03-25 | 2019-03-25 | A kind of air cooler for mining gas side dirt distribution simulation experimental provision |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109900863A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111047206A (en) * | 2019-12-18 | 2020-04-21 | 东北电力大学 | Evaluation system for ash scale prevention and control coating of air cooler and performance analysis method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101520365A (en) * | 2009-03-06 | 2009-09-02 | 山东科技大学 | Simulation experimental system for controlling mine tunnel dust environment |
| WO2012023906A1 (en) * | 2010-08-16 | 2012-02-23 | Sabbagh Omar Katmawi | Air heating radiator system |
| CN102589921A (en) * | 2012-03-14 | 2012-07-18 | 南京林业大学 | Rotatable experimental apparatus for low-temperature high-humidity gas-gas heat exchanger |
| CN205844228U (en) * | 2016-07-12 | 2016-12-28 | 西安科技大学 | A kind of experimental provision of high-temperature mine dash cooling |
| JP2017173235A (en) * | 2016-03-25 | 2017-09-28 | エスペック株式会社 | Environmental test device |
| CN209656665U (en) * | 2019-03-25 | 2019-11-19 | 湖南科技大学 | A kind of air cooler for mining gas side dirt distribution simulation experimental provision |
-
2019
- 2019-03-25 CN CN201910226762.6A patent/CN109900863A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101520365A (en) * | 2009-03-06 | 2009-09-02 | 山东科技大学 | Simulation experimental system for controlling mine tunnel dust environment |
| WO2012023906A1 (en) * | 2010-08-16 | 2012-02-23 | Sabbagh Omar Katmawi | Air heating radiator system |
| CN102589921A (en) * | 2012-03-14 | 2012-07-18 | 南京林业大学 | Rotatable experimental apparatus for low-temperature high-humidity gas-gas heat exchanger |
| JP2017173235A (en) * | 2016-03-25 | 2017-09-28 | エスペック株式会社 | Environmental test device |
| CN205844228U (en) * | 2016-07-12 | 2016-12-28 | 西安科技大学 | A kind of experimental provision of high-temperature mine dash cooling |
| CN209656665U (en) * | 2019-03-25 | 2019-11-19 | 湖南科技大学 | A kind of air cooler for mining gas side dirt distribution simulation experimental provision |
Non-Patent Citations (2)
| Title |
|---|
| FEILONG ZHAN 等: "International Journal of Heat and Mass Transfer", INTERNATIONAL JOURNAL OF HEAT AND MASS TRANSFER, vol. 124, pages 1232 - 1234 * |
| 陈轩: "模拟静电环境下月尘颗粒的迁移沉积特性研究", 中国优秀硕士学位论文全文数据库 基础科学辑, no. 7, pages 34 - 36 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111047206A (en) * | 2019-12-18 | 2020-04-21 | 东北电力大学 | Evaluation system for ash scale prevention and control coating of air cooler and performance analysis method |
| CN111047206B (en) * | 2019-12-18 | 2022-01-18 | 东北电力大学 | Evaluation system for ash scale prevention and control coating of air cooler and performance analysis method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102640684B (en) | Control method and control system for mechanical ventilation of greenhouse | |
| CN201043829Y (en) | Mine water source heat pump air conditioning device | |
| CN1987440A (en) | Combining method for multiple thermotechnical complex performance detection test | |
| CN105938058B (en) | A kind of enthalpy difference experiment device of duplex measurement on-board air conditioner and battery thermal management performance | |
| CN108756996B (en) | Mine hot and humid environment simulation experiment platform | |
| CN105890047A (en) | Air-conditioning robot | |
| CN207377593U (en) | Mine return air Cryo Heat Tube heat-exchange system | |
| CN205898480U (en) | Integration evaporation cooling formula cold water unit performance test test bench | |
| CN103822337A (en) | Energy-saving adjusting method and device for air conditioner end equipment | |
| CN209656665U (en) | A kind of air cooler for mining gas side dirt distribution simulation experimental provision | |
| US20110146307A1 (en) | Condenser ventilation control | |
| CN205783351U (en) | Energy-saving machine room air-conditioning | |
| CN109900863A (en) | A kind of air cooler for mining gas side dirt distribution simulation experimental provision | |
| CN200979507Y (en) | A synthetic thermal performance test device | |
| CN107941851A (en) | The performance testing device and its test method of a kind of heat radiator of internal-combustion engine | |
| CN103410549A (en) | System and method by means of power plant waste heat for conducting aeration cooling on mine | |
| CN109026120B (en) | Boiling condensation type mine hot and humid environment simulation experiment platform | |
| CN102539108B (en) | Energy-saving wind tunnel for enthalpy potential method experiment device | |
| CN108844388A (en) | Mine air-lack waste-heat air inlet system is recycled using heat superconducting tech | |
| CN102539470A (en) | Integrated detection system for thermal performance of lower-medium vacuum compound insulation pipeline and application of integrated detection system | |
| CN107992662B (en) | Optimization design of gravity heat pipe air conditioning system and reverse calculation method of variable working condition parameters | |
| CN101713578A (en) | Uncompressed integrated air conditioning equipment | |
| CN202496148U (en) | Machine room energy-saving auxiliary cabinet | |
| CN203010817U (en) | Summer working position temperature-regulating and energy-saving system for machinery plants | |
| CN206398927U (en) | A kind of Intelligent adjustment temperature, air-conditioning system of humidity for computer room |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |