CN108590730B - 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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- CN108590730B CN108590730B CN201810439275.3A CN201810439275A CN108590730B CN 108590730 B CN108590730 B CN 108590730B CN 201810439275 A CN201810439275 A CN 201810439275A CN 108590730 B CN108590730 B CN 108590730B
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- 238000001816 cooling Methods 0.000 title claims abstract description 22
- 238000012360 testing method Methods 0.000 title claims abstract description 17
- 238000004088 simulation 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 9
- 238000010438 heat treatment Methods 0.000 claims description 7
- 239000000203 mixture Substances 0.000 claims description 3
- 230000008859 change Effects 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000009792 diffusion process Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000005516 engineering process 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
- 230000036541 health Effects 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 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
- 238000012545 processing Methods 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
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- 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 is to include for simulating 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 cooling water sprinkling The cooling of device atomizing spray and adjusting 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 technique
With the increase of the China's coal-mine exploitation 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 damage 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 pass through ventilation, sprinkling cooling water into
Row cooling.But cost of mining can be greatly increased due to increasing ventilation quantity and amount of water sprayed.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 temperature and humidity variation of getting working face, need
A kind of experimental rig that can simulate working face cooling situation is more effectively analyzed getting working face cooling, is understood, with
Achieve the purpose that energy-saving.
Summary of the invention
To solve technical problem of the existing technology, the present invention provides one kind can simulate getting working face in real time
Temperature Distribution and cooling can preferably analyze roadway cooling simulation test device and the test of digging tunnel temperature change relationship
Method.
To achieve the above object, the simulation test device the technical scheme adopted by the invention is as follows a kind of roadway cools down, 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, 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 constant temperature controller.
Preferably, the heat dissipating layer is the heat-conducting plate with thermal vias or radiating fin.
Preferably, the blast pipe is mounted on position top in the middle part of digging tunnel, and the discharge pipe is three, and edge is adopted
Pick tunnel end face is from top to bottom evenly arranged.
Preferably, the sprinkling device for cooling water includes the water inlet manifold connecting with cooling water production unit, the water inlet
Electromagnetic flow valve is provided on general pipeline, the electromagnetic flow valve is connected with master control system, and the water inlet manifold extends to digging
In tunnel, and end is provided with the water distributor along the setting of digging tunnel length direction, on the water distributor it is vertically-mounted have it is multiple
Spraying pipe, the surrounding of the spraying pipe are from top to bottom equipped with multiple atomizers.
A kind of high-temperature mine driving face simulates pull-down test method, including the experimental rig, by constant temperature plus
Hot cell 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 temperature and humidity signal is transferred to master control system, when set temperature to be achieved, master control system control loop blower 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, the temperature and humidity variable signal that Temperature Humidity Sensor acquires digging tunnel in real time is transferred to master control system, while real
When adjust cooling water fountain height and ventilation quantity, most until temperature and humidity stops after reaching goal-selling, rear master control system believes variation
It number is analyzed and processed, and draws temperature and humidity, 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 following technical effect that of the invention use has the function of heat preservation, heated at constant temperature
Masonry construction simulate digging tunnel, make digging tunnel working environment carry 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 are analyzed and processed, and 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.
Detailed description of the invention
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 control principle block diagram of the invention.
Specific embodiment
In order to which technical problems, technical solutions and advantages to be solved are 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 for simulating 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, is provided with heated at constant temperature list 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
The sprinkling device for cooling water 10 processed of system control 2 carries out atomizing spray cooling to digging tunnel and adjusts the air quantity of circulating fan.
Blast pipe 4 is mounted on position top in the middle part of digging tunnel in the present embodiment, and discharge pipe 7 is three, and along digging
Tunnel end face is from top to bottom evenly arranged, and increases the temperature diffusion velocity at the top of digging tunnel, and is guaranteed warm in digging tunnel
Degree diffusion is uniform.Temperature Humidity Sensor is evenly arranged in digging tunnel, throughout each dead angle, inner wall and ground, and according to
The length in digging tunnel and the investigative range of sensor carry out subsection setup, guarantee that Temperature Humidity Sensor can acquire digging in real time
The temperature and humidity information of each position in tunnel.
Digging tunnel 1 is mainly made of tunnel main body 11, insulating layer 12 and the heat dissipating layer 13 built in the present embodiment, tunnel
Main body 11 is 15-20m long, each 1m of height and width, is disposed with insulating layer 12 and heat dissipating layer from outside to inside on 11 inner wall of tunnel main body
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 keeping 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, guarantees whole
A intracorporal uniformity of temperature profile of tunnel master.Wherein, heat dissipating layer 13 can be using thermally conductive with thermal vias or radiating fin
Plate, to improve radiating efficiency.
Sprinkling device for cooling water 10 includes the water inlet manifold 15 connecting with cooling water production unit 3 in the present embodiment, water inlet
Electromagnetic flow valve 16 is provided on general pipeline 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 is provided with the water distributor 17 along the setting of digging tunnel length direction, on water distributor 17 it is vertically-mounted have it is multiple
Spraying pipe 18, the surrounding of spraying pipe 18 are 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 guarantee the length direction in tunnel in this way
And short transverse uniformly sprays cooling, guarantees every aspect lowering temperature uniform.Atomizer can use ultrasonic atomization spray head, shape
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 to be 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 temperature and humidity signal is transferred to master control system 2, when set temperature to be achieved, master control
2 control loop blower 5 of system is aerated digging tunnel, while controlling sprinkling device for cooling water 10 and spraying to digging tunnel
Spill cooling；During ventilation and atomizing spray, the temperature and humidity that Temperature Humidity Sensor 9 acquires digging tunnel in real time changes letter
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 temperature and humidity reaches goal-selling
After stop, master control system 2 is analyzed and processed variable signal, and draw temperature and humidity, 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 for examining each corner of rate of temperature fall and digging tunnel in digging tunnel, to achieve the purpose that energy-saving.
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.It is described above
Only presently preferred embodiments of the present invention is not intended to limit the invention, and is made all within the spirits and principles of the present invention
Any modifications, equivalent replacements, and improvements etc., should all wrap within the scope of the present invention.
Claims (7)
- The simulation test device 1. a kind of roadway cools down, it is characterised in that: including for simulating 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 The connection of ring Fan pipeline, 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, 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 constant temperature 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 mounted on Top position in the middle part of digging tunnel, the discharge pipe is three, and is from top to bottom evenly arranged along digging tunnel end face.
- The simulation test device 5. a kind of roadway according to claim 1 to 4 cools down, it is characterised in that: the cooling water Flusher includes the water inlet manifold connecting with cooling water production unit, and electromagnetic flow valve, institute are provided on the water inlet manifold It states electromagnetic flow valve to be connected with master control system, the water inlet manifold extends in digging tunnel, and end is provided with 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 experimental rig as described in claim 1, It is characterized by heated at constant temperature unit and heated at constant temperature is carried out to set temperature to digging tunnel, Temperature Humidity Sensor is adopted in real time Collect the temperature and humidity in digging tunnel, and temperature and humidity signal is transferred to master control system, when set temperature to be achieved, master control System control loop blower is aerated digging tunnel, while controlling sprinkling device for cooling water and carrying out sprinkling drop to digging tunnel Temperature；During ventilation and atomizing spray, the temperature and humidity variable signal that Temperature Humidity Sensor acquires digging tunnel in real time is passed It is defeated by master control system, while adjusting cooling water fountain height and ventilation quantity in real time, it is last until temperature and humidity is stopped after reaching goal-selling Only, master control system is analyzed and processed variable signal, and draws temperature and humidity, 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.
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| 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 true CN108590730B (en) | 2019-08-13 |
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| CN111044564B (en) * | 2020-01-07 | 2022-03-04 | 安徽理工大学 | Multifunctional mine roadway inner wall cooling effect testing device and operation method thereof |
| CN111964708B (en) * | 2020-06-06 | 2022-09-06 | 浙江好得电气有限公司 | Monitoring method applied to large fan online monitoring system |
| 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 |
| 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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| RU2403393C2 (en) * | 2008-09-25 | 2010-11-10 | РОССИЙСКАЯ ФЕДЕРАЦИЯ, от имени которой выступает ФЕДЕРАЛЬНОЕ АГЕНТСТВО ПО ЭНЕРГЕТИКЕ | Testing device of instruments and elements of systems of air-and-gas and dust control of well atmosphere |
| CN201464396U (en) * | 2009-07-07 | 2010-05-12 | 中国矿业大学 | Mine laneway wall rock heat transmission simulation experimental device |
| CN201924953U (en) * | 2010-12-23 | 2011-08-10 | 中国矿业大学 | Underground coal mine hot wet environment simulating control experimental system |
| CN104964995A (en) * | 2015-07-03 | 2015-10-07 | 中国矿业大学 | High-ground-temperature roadway physical model experiment device |
| CN205333621U (en) * | 2015-12-28 | 2016-06-22 | 西安科技大学 | Mine is combined and is adopted wet environmental simulation experimental apparatus of working face heat |
| 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 |
| CN106948856A (en) * | 2017-05-15 | 2017-07-14 | 辽宁工程技术大学 | A kind of mine local cooling device and method |
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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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