CN108590730A - A kind of roadway cooling simulation test device and test method - Google Patents
A kind of roadway cooling simulation test device and test method Download PDFInfo
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- CN108590730A CN108590730A CN201810439275.3A CN201810439275A CN108590730A CN 108590730 A CN108590730 A CN 108590730A CN 201810439275 A CN201810439275 A CN 201810439275A CN 108590730 A CN108590730 A CN 108590730A
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- temperature
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- digging tunnel
- cooling water
- digging
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- 238000001816 cooling Methods 0.000 title claims abstract description 25
- 238000004088 simulation Methods 0.000 title claims abstract description 18
- 238000012360 testing method Methods 0.000 title claims abstract description 16
- 238000010998 test method Methods 0.000 title claims abstract description 8
- 239000000498 cooling water Substances 0.000 claims abstract description 48
- 239000007921 spray Substances 0.000 claims abstract description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 21
- 238000009423 ventilation Methods 0.000 claims description 13
- 238000004519 manufacturing process Methods 0.000 claims description 11
- 238000005507 spraying Methods 0.000 claims description 8
- 238000010438 heat treatment Methods 0.000 claims description 7
- 238000012545 processing Methods 0.000 claims description 5
- 239000011449 brick Substances 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 230000008054 signal transmission Effects 0.000 claims description 3
- 239000003595 mist Substances 0.000 claims 1
- 230000008859 change Effects 0.000 abstract description 3
- 238000009692 water atomization Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 3
- 238000009792 diffusion process Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 238000000889 atomisation Methods 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000000686 essence Substances 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F1/00—Ventilation of mines or tunnels; Distribution of ventilating currents
- E21F1/02—Test models
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Management, Administration, Business Operations System, And Electronic Commerce (AREA)
- Lining And Supports For Tunnels (AREA)
Abstract
The present invention relates to a kind of roadway cooling simulation test device and test methods,Belong to mine test simulation equipment technical field,Provide a kind of Temperature Distribution and cooling that can simulate getting working face in real time,The experimental rig of digging tunnel temperature change relationship can preferably be analyzed,Used technical solution be include being used to simulate getting working face and closed digging tunnel,The one end in digging tunnel is provided with blast pipe,Air velocity transducer is disposed in blast pipe,The other end in digging tunnel is additionally provided with multiple discharge pipes,Heated at constant temperature unit built in digging tunnel,Temperature Humidity Sensor and sprinkling device for cooling water,Heated at constant temperature unit is used to carry out heated at constant temperature to digging tunnel,Temperature Humidity Sensor is used to detect the temperature and humidity in digging tunnel,And temperature-humidity signal is transferred to master control system,Master control system controls the cooling of sprinkling device for cooling water atomizing spray and adjusts air quantity；The present invention is widely used in the pull-down test in digging tunnel.
Description
Technical field
The present invention relates to a kind of roadway cooling simulation test device and test methods, belong to mine test simulation equipment and technology
Field.
Background technology
As China's coal-mine exploits the increase of the time limit, superficial part resource gradually reduces and exhaustion, and China's coal-mine exploitation is average with 8
The speed of~12m/a extends to deep, a collection of km deep-well occurs, the heat evil problem of simultaneous has seriously affected
The health of mine worker, the production efficiency of mine and safety in production.The safety and high efficiency of deep high-temperature mine can solve east
The notch of portion's maritime provinces coal resources decides the economic sustainable development and national security war in China to a certain extent
Implementation slightly.But the temperature in depth high-temperature mine is higher, up to 35 DEG C or more, causes working environment severe, therefore to roadway
Cooling has become urgency etc. and solves the problems, such as.Currently, existing mine cooling method mainly by ventilation, sprinkling cooling water into
Row cooling.But cost of mining can be greatly increased due to increasing ventilation quantity and water spray.So in order to preferably determine ventilation wind
The profiling temperatures of the influence and getting working face of amount, cooling water fountain height to the humiture variation of getting working face, need
A kind of experimental rig that can simulate working face cooling situation to getting working face cooling more effectively analyze, understand, with
Achieve the purpose that energy-saving.
Invention content
To solve technical problem of the existing technology, getting working face can be simulated in real time the present invention provides a kind of
Temperature Distribution and cooling can preferably analyze roadway cooling simulation test device and the experiment of digging tunnel temperature change relationship
Method.
To achieve the above object, the technical solution adopted in the present invention is a kind of roadway cooling simulation test device, including
For simulating getting working face and closed digging tunnel, master control system and cooling water production unit, the digging tunnel
One end is provided with blast pipe, and the blast pipe is connect with circulating fan pipeline, and air velocity transducer is disposed in blast pipe, described
Air velocity transducer, circulating fan are connected with master control system, and the other end in the digging tunnel is additionally provided with multiple discharge pipes, institute
It states and is provided with heated at constant temperature unit, Temperature Humidity Sensor and sprinkling device for cooling water in digging tunnel, the Temperature Humidity Sensor
It is evenly arranged in digging tunnel, the sprinkling device for cooling water is connected by pipeline with cooling water production unit, the perseverance
Warm heating unit, Temperature Humidity Sensor and sprinkling device for cooling water are connected with master control system, and the heated at constant temperature unit is used
In carrying out heated at constant temperature to digging tunnel, the Temperature Humidity Sensor is used to detect the temperature and humidity in digging tunnel, and will
Temperature, moisture signal are transferred to master control system, and master control system controls sprinkling device for cooling water and carries out atomizing spray to digging tunnel
Cooling and the air quantity for adjusting circulating fan.
Preferably, the digging tunnel is mainly made of tunnel main body, insulating layer and the heat dissipating layer built by laying bricks or stones, the tunnel master
The long 15-20m of body, each 1m of height and width are disposed with insulating layer and heat dissipating layer, the constant temperature in the main body inner wall of tunnel from outside to inside
Heating unit is mounted between insulating layer and heat dissipating layer, and the heated at constant temperature unit includes heating wire and thermostatic controller.
Preferably, the heat dissipating layer is the heat-conducting plate with thermal vias or radiating fin.
Preferably, the blast pipe is equipped with position top in the middle part of digging tunnel, and the discharge pipe is along digging tunnel end
Face from top to bottom arranges three.
Preferably, the sprinkling device for cooling water includes the water inlet manifold being connect with cooling water production unit, the water inlet
Electromagnetic flow valve is provided on manifold, the electromagnetic flow valve is connected with master control system, and the water inlet manifold extends to digging
In tunnel, and end set has a water distributor being arranged along digging tunnel length direction, on the water distributor it is vertically-mounted have it is multiple
The surrounding of spraying pipe, the spraying pipe is from top to bottom equipped with multiple atomizers.
A kind of high-temperature mine driving face simulation pull-down test method, including above-mentioned experimental rig, pass through heated at constant temperature
Unit carries out heated at constant temperature to set temperature to digging tunnel, and Temperature Humidity Sensor acquires the temperature in digging tunnel and wet in real time
Degree, and by temperature and humidity signal transmission to master control system, when set temperature to be achieved, master control system control loop wind turbine is to adopting
Pick tunnel is aerated, while being controlled sprinkling device for cooling water and being carried out sprinkling cooling to digging tunnel；In ventilation and atomizing spray
In the process, Temperature Humidity Sensor acquires the temperature and humidity variable signal in digging tunnel and is transferred to master control system in real time, while real
When adjust cooling water fountain height and ventilation quantity, most until humiture stops after reaching goal-selling, rear master control system believes variation
Number analyzing processing is carried out, and draws humiture, cooling water fountain height and ventilation quantity relational graph.
Preferably, the cooling water of the sprinkling device for cooling water sprinkling is mixture of ice and water, and temperature is 0 DEG C.
Compared with prior art, the present invention has the following technical effects：The present invention, which uses, has the function of heat preservation, heated at constant temperature
Masonry construction simulation digging tunnel, so that the working environment in digging tunnel is carried out scene reproduction, then by into digging tunnel
It is aerated and sprays cooling water and cooling processing, the real-time temperature that master control system acquires Temperature Humidity Sensor are carried out to digging tunnel
The data such as moisture signal, cooling water fountain height, air quantity and digging tunnel size carry out analyzing processing, determine temperature and humidity sensing
Real time humiture signal, cooling water fountain height, air quantity and the digging tunnel size of device acquisition are to digging tunnel rate of temperature fall
And the influence relationship of effect, and its relation distribution map is drawn, to be better understood by cooling water fountain height, air quantity to digging tunnel
The influence of rate of temperature fall and effect achievees the purpose that energy-saving.
Description of the drawings
Fig. 1 is the structural diagram of the present invention.
Fig. 2 is the cross section structure schematic diagram in digging tunnel of the present invention.
Fig. 3 is the control principle block diagram of the present invention.
Specific implementation mode
In order to make technical problems, technical solutions and advantages to be solved be more clearly understood, tie below
Accompanying drawings and embodiments are closed, the present invention will be described in further detail.It should be appreciated that specific embodiment described herein is only
To explain the present invention, it is not intended to limit the present invention.
Embodiment one
As shown in Figure 1 to Figure 3, a kind of roadway cooling simulation test device, including it is used to simulate getting working face and closing
Digging tunnel 1, master control system 2 and cooling water production unit 3, the one end in digging tunnel 1 is provided with blast pipe 4, blast pipe 4
It is connect with 5 pipeline of circulating fan, and is disposed with air velocity transducer 6 in blast pipe 4, air velocity transducer 6, circulating fan 5 and master control
System 2 is connected, and the other end in digging tunnel 1 is additionally provided with multiple discharge pipes 7, and heated at constant temperature list is provided in digging tunnel 1
Member 8, Temperature Humidity Sensor 9 and sprinkling device for cooling water 10, Temperature Humidity Sensor 9 are evenly arranged in digging tunnel 1, cooling water
Flusher 10 is connected by pipeline 14 with cooling water production unit 3, heated at constant temperature unit 8, Temperature Humidity Sensor 9 and cooling
Water flusher 10 is connected with master control system 2, and heated at constant temperature unit 8 is used to carry out heated at constant temperature to digging tunnel, warm and humid
Degree sensor 9 is used to detect the temperature and humidity in digging tunnel, and temperature, moisture signal are transferred to master control system 2, master control
2 sprinkling device for cooling water 10 processed of system control carries out atomizing spray cooling to digging tunnel and adjusts the air quantity of circulating fan.This reality
It applies blast pipe 4 in example and position top in the middle part of digging tunnel is installed, discharge pipe 7 is from top to bottom arranged along digging tunnel end face
Three, increase the temperature diffusion velocity at the top of digging tunnel, and ensures that temperature diffusion is uniform in digging tunnel.Temperature and humidity sensing
Device is evenly arranged in digging tunnel, spreads all over each dead angle, inner wall and ground, and according to the length and sensor in digging tunnel
Investigative range carry out subsection setup, ensure that Temperature Humidity Sensor can acquire the humiture of each position in digging tunnel in real time
Information.
Digging tunnel 1 is mainly made of tunnel main body 11, insulating layer 12 and the heat dissipating layer 13 built by laying bricks or stones in the present embodiment, tunnel
Main body 11 long 15-20m, each 1m of height and width are disposed with insulating layer 12 and heat dissipating layer on 11 inner wall of tunnel main body from outside to inside
13, heated at constant temperature unit 8 is mounted between insulating layer 12 and heat dissipating layer 13, and heated at constant temperature unit 8 includes heating wire and constant temperature control
Device processed.Tunnel main body is formed using concrete block masonry, and insulating layer avoids temperature to external diffusion for being kept the temperature to tunnel main body,
Heat dissipating layer can increase temperature to the diffuser efficiency of tunnel body interior, improve heating rate.Heated at constant temperature unit uses constant temperature
The mode of heating, is arranged between insulating layer and heat dissipating layer, while carrying out subsection setup according to the length of tunnel main body, ensures whole
Uniformity of temperature profile in a tunnel main body.Wherein, the heat conduction with thermal vias or radiating fin may be used in heat dissipating layer 13
Plate, to improve radiating efficiency.
Sprinkling device for cooling water 10 includes the water inlet manifold 15 being connect with cooling water production unit 3 in the present embodiment, water inlet
Electromagnetic flow valve 16 is provided on manifold 15, electromagnetic flow valve 16 is connected with master control system 2, and water inlet manifold 15 extends to digging
In tunnel 1, and end set has a water distributor 17 being arranged along digging tunnel length direction, on water distributor 17 it is vertically-mounted have it is multiple
The surrounding of spraying pipe 18, spraying pipe 18 is from top to bottom equipped with multiple atomizers 19.Water distributor is along digging tunnel length
Direction is arranged, spraying pipe along digging head-room direction arrange, while atomizer along spraying pipe height by upper
It is evenly arranged under, and subsection setup is carried out according to the radiation scope of atomizer, can ensure the length direction in tunnel in this way
And short transverse uniformly sprays cooling, ensures every aspect lowering temperature uniform.Ultrasonic atomization nozzle, shape may be used in atomizer
At subtle particle water and digging tunnel carry out heat exchange, improve heat exchange efficiency.
Embodiment two
A kind of high-temperature mine driving face simulation pull-down test method, including above-mentioned simulation test device, concrete operations
It is as follows：Heated at constant temperature is carried out to set temperature to digging tunnel by heated at constant temperature unit 8, Temperature Humidity Sensor 9 acquires in real time
The temperature and humidity in digging tunnel, and by temperature and humidity signal transmission to master control system 2, when set temperature to be achieved, master control
2 control loop wind turbine 5 of system is aerated digging tunnel, while controlling sprinkling device for cooling water 10 and being sprayed to digging tunnel
Spill cooling；During ventilation and atomizing spray, Temperature Humidity Sensor 9 acquires the temperature and humidity variation letter in digging tunnel in real time
It number is transferred to master control system 2, while adjusting cooling water fountain height and ventilation quantity in real time, it is last until humiture reaches goal-selling
After stop, master control system 2 to variable signal carry out analyzing processing, and draw humiture, cooling water fountain height and ventilation magnitude relation
Figure.It can be better understood by the situation of change of digging tunnel cooling using relational graph, adjust cooling water fountain height and ventilation quantity, see
The temperature variations in each corner of rate of temperature fall and digging tunnel in digging tunnel are examined, it is energy-saving to achieve the purpose that.
The cooling water that sprinkling device for cooling water sprays in the present embodiment is mixture of ice and water, and temperature is 0 DEG C.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
All any modification, equivalent and improvement etc., should all wrap within the scope of the present invention made by within refreshing and principle.
Claims (7)
- The simulation test device 1. a kind of roadway cools down, it is characterised in that：Including being used to simulate getting working face and closed digging Tunnel, master control system and cooling water production unit, the one end in the digging tunnel are provided with blast pipe, the blast pipe with follow Ring Fan pipeline connects, and air velocity transducer is disposed in blast pipe, the air velocity transducer, circulating fan and master control system phase Connection, the other end in the digging tunnel is additionally provided with multiple discharge pipes, be provided in the digging tunnel heated at constant temperature unit, Temperature Humidity Sensor and sprinkling device for cooling water, the Temperature Humidity Sensor are evenly arranged in digging tunnel, the cooling water Flusher is connected by pipeline with cooling water production unit, the heated at constant temperature unit, Temperature Humidity Sensor and cooling water Flusher is connected with master control system, and the heated at constant temperature unit is used to carry out heated at constant temperature, the temperature to digging tunnel Humidity sensor is used to detect the temperature and humidity in digging tunnel, and temperature, moisture signal are transferred to master control system, master control System controls sprinkling device for cooling water and carries out atomizing spray cooling to digging tunnel and adjust the air quantity of circulating fan.
- The simulation test device 2. a kind of roadway according to claim 1 cools down, it is characterised in that：The digging tunnel is main It is made of tunnel main body, insulating layer and the heat dissipating layer built by laying bricks or stones, the long 15-20m of tunnel main body, each 1m of height and width, tunnel main body Be disposed with insulating layer and heat dissipating layer on inner wall from outside to inside, the heated at constant temperature unit be mounted on insulating layer and heat dissipating layer it Between, the heated at constant temperature unit includes heating wire and thermostatic controller.
- The simulation test device 3. a kind of roadway according to claim 2 cools down, it is characterised in that：The heat dissipating layer be with The heat-conducting plate of thermal vias or radiating fin.
- The simulation test device 4. a kind of roadway according to claim 1 cools down, it is characterised in that：The blast pipe is equipped with Top position in the middle part of digging tunnel, the discharge pipe from top to bottom arrange three along digging tunnel end face.
- 5. according to a kind of any roadway cooling simulation test devices of claim 1-4, it is characterised in that：The cooling water Flusher includes the water inlet manifold being connect with cooling water production unit, and electromagnetic flow valve, institute are provided on the water inlet manifold It states electromagnetic flow valve with master control system to be connected, the water inlet manifold extends in digging tunnel, and end set has along digging The water distributor of tunnel length direction setting, it is vertically-mounted on the water distributor to have multiple spraying pipes, the four of the spraying pipe Week is from top to bottom equipped with multiple atomizers.
- 6. a kind of high-temperature mine driving face simulates pull-down test method, including above-mentioned experimental rig, it is characterised in that：Pass through Heated at constant temperature unit carries out heated at constant temperature to set temperature to digging tunnel, and Temperature Humidity Sensor acquires the temperature in digging tunnel in real time Degree and humidity, and by temperature and humidity signal transmission to master control system, when set temperature to be achieved, master control system control loop wind Machine is aerated digging tunnel, while controlling sprinkling device for cooling water and carrying out sprinkling cooling to digging tunnel；In ventilation and mist During changing spray, the temperature and humidity variable signal that Temperature Humidity Sensor acquires digging tunnel in real time is transferred to master control system, Adjust cooling water fountain height and ventilation quantity in real time simultaneously, last to stop after humiture reaches goal-selling, master control system pair Variable signal carries out analyzing processing, and draws humiture, cooling water fountain height and ventilation quantity relational graph.
- 7. a kind of high-temperature mine driving face according to claim 6 simulates pull-down test method, it is characterised in that：Institute The cooling water for stating sprinkling device for cooling water sprinkling is mixture of ice and water, and temperature is 0 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201810439275.3A CN108590730B (en) | 2018-05-09 | 2018-05-09 | A kind of roadway cooling simulation test device and test method |
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|---|---|---|---|
| CN201810439275.3A CN108590730B (en) | 2018-05-09 | 2018-05-09 | A kind of roadway cooling simulation test device and test method |
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| CN108590730B CN108590730B (en) | 2019-08-13 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111044564A (en) * | 2020-01-07 | 2020-04-21 | 安徽理工大学 | Multifunctional mine roadway inner wall cooling effect testing device and operation method thereof |
| CN111964708A (en) * | 2020-06-06 | 2020-11-20 | 浙江好得电气有限公司 | Large fan on-line monitoring system and monitoring method thereof |
| CN114618899A (en) * | 2022-03-14 | 2022-06-14 | 青岛雷霆重工股份有限公司 | Heat dissipation cooling device and cooling method |
| CN116907577A (en) * | 2023-07-17 | 2023-10-20 | 中国矿业大学 | Experimental device and method for simulating intelligent spray cooling and dust settling of underground coal mine roadway |
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| CN116907577B (en) * | 2023-07-17 | 2024-02-20 | 中国矿业大学 | Experimental device and method for simulating intelligent spray cooling and dust settling of underground coal mine roadway |
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| Publication number | Publication date |
|---|---|
| CN108590730B (en) | 2019-08-13 |
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Effective date of registration: 20190716 Address after: 430080 Wuhan Qingshan District, Wuhan City, Hubei Province, No. 7 Gate in front of Wuhan Iron and Steel Works Applicant after: Wuhan Iron and Steel Group Hongxin Industry Development Co., Ltd. Address before: 271400 No. 68 Huayang Street, Ningyang County, Tai'an City, Shandong Province Applicant before: Wang Jinfeng |
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