CN103528839B - A kind of non-coal solid mine deep mining digging laneway hot and humid area simulated testing system - Google Patents
A kind of non-coal solid mine deep mining digging laneway hot and humid area simulated testing system Download PDFInfo
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- CN103528839B CN103528839B CN201310464151.8A CN201310464151A CN103528839B CN 103528839 B CN103528839 B CN 103528839B CN 201310464151 A CN201310464151 A CN 201310464151A CN 103528839 B CN103528839 B CN 103528839B
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- 238000012360 testing method Methods 0.000 title claims abstract description 22
- 238000005065 mining Methods 0.000 title claims abstract description 21
- 239000003245 coal Substances 0.000 title claims abstract description 16
- 239000007787 solid Substances 0.000 title claims abstract description 15
- 238000004088 simulation Methods 0.000 claims abstract description 31
- 238000005057 refrigeration Methods 0.000 claims abstract description 28
- 238000001816 cooling Methods 0.000 claims abstract description 16
- 238000010438 heat treatment Methods 0.000 claims abstract description 12
- 210000000056 organ Anatomy 0.000 claims abstract description 12
- 238000005485 electric heating Methods 0.000 claims abstract description 8
- 238000006243 chemical reaction Methods 0.000 claims description 4
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- 239000004579 marble Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000004379 similarity theory Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000012795 verification Methods 0.000 description 2
- 238000009412 basement excavation Methods 0.000 description 1
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Abstract
The invention discloses a kind of non-coal solid mine deep mining digging laneway hot and humid area simulated testing system.Simulation tunnel is the rectangle cavern that on-the-spot actual solely head digging laneway carries out the upper and lower, left and right of scaled down and one end and closes, and tunnel device for simulating heat source is made up of electric heating film (5), heating control apparatus (10); Tunnel humidity environment simulator is connected and composed by humidification organ pipe (6), temperature environment humidifier (11); In tunnel, new wind wind matter analogue means is linked in sequence is formed by blower fan (12), humidifier (11 '), electric heater (14), new wind airduct (16); Tunnel cooling refrigeration analogue means is made up of refrigeration unit (1), air cooler (4), cold wind airduct (15).Heat-wet exchange that the present invention is air in research dead face provides on-the-spot true hot and humid area environment, to the in-site modeling checking in the existing laboratory of the fructufy of theory calculate, the heat evil problem faced for the current deep mining of solution has good realistic meaning application value.
Description
Technical field
The present invention relates to a kind of non-coal solid mine deep mining heat, wet exchange simulated testing system, be specially adapted to the high-temperature mine technical research that metal mine deep mining faces, for the heat-wet exchange of air in research dead face provides site environment to simulate, can carry out laboratory simulation checking to calculated value simultaneously.
Background technology
Along with the minimizing of superficial part resource, producing capacity improves constantly, mining depth also constantly increases, exploitation deep resource becomes the major way of mining, and deep mining must face the problem of High Temperature in Deep Mine evil, underground heat increases, and heat evil problem has become one of the bottleneck of restriction Mine Safety in Production, high-yield and high-efficiency, harmonious development.The hot and humid heat evil problem that waits is more and more outstanding, has a strong impact on the health of underground operators, safety and work efficiency, corresponding measure must be taked to carry out.
Research shows, dead face driving is due to its special operating environment, and cannot be formed at workplace and run through distinguished and admirable, high temperature problem is the most outstanding.Therefore, only head digging laneway heat of analyzing and researching does harm to the origin cause of formation, sets up deep-well heat evil Forecasting Methodology, research deep mining falling temperature technique and equipment, to take effective cooling measure, thus alleviate down-hole Climatic regionalization situation, improve workman's operating environment and just seem very important, to the safety in production of metal mine with sustainable development has and important meaning.
Due to the singularity of coal mine excavation face-airing, working face cooling mainly adopts the method sending into cold wind to realize, and cold wind parameter is directly connected to working face cooling effect.But do not determine the method for required air supply parameter and air cooler air-out parameter at present for workplace load of heat, but depend on the processing power of installed air cooler completely.Therefore, be necessary the one non-coal solid mine deep mining digging laneway hot and humid area simulated testing system studying getting working face airflow parameter and air cooler air-out parameter, before being applied to scene, simplation verification is carried out to the result of theory deduction, room research by experiment, ensures working face cooling effect, realizes the humiture parameter of designing requirement.
And above research work will be implemented, the determined parameter of simple dependence theory calculate is before difficult to meet on-the-spot practical application, there is larger difference in may applying at the scene in the conclusion of theory deduction, therefore must carry out simplation verification to the result of theory deduction before being applied to scene.
Summary of the invention
Object of the present invention be exactly for prior art exist the problems referred to above and a kind of non-coal solid mine deep mining digging laneway hot and humid area simulated testing system is provided, this system for the in-site modeling checking in the existing laboratory of the fructufy of theory calculate, can provide the true hot and humid area environment of only the digging laneway at scene, a mine in laboratory.
For realizing above-mentioned purpose of the present invention, a kind of non-coal solid mine of the present invention deep mining digging laneway hot and humid area simulated testing system is achieved through the following technical solutions:
A kind of non-coal solid mine of the present invention deep mining digging laneway hot and humid area simulated testing system, it be by wind wind matter analogue means new in simulation tunnel, tunnel device for simulating heat source, tunnel humidity environment simulator, tunnel, tunnel cooling refrigeration analogue means and
The combination of airflow parameter observing and controlling components and parts is formed:
Described simulation tunnel is the rectangle cavern that on-the-spot actual solely head digging laneway carries out the upper and lower, left and right of scaled down and one end and closes, from being respectively heat-insulation layer, zone of heating, lithosphere outside to inside; Its size is according to test similarity theory in laboratory, carries out scaled down to on-the-spot actual solely head digging laneway.
Described tunnel device for simulating heat source is made up of the electric heating film be arranged on zone of heating, the heating control apparatus that is connected with electric heating film; Design tunnel device for simulating heat source is in order to thermal source actual under simulation well.
Described tunnel humidity environment simulator is made up of jointly the humidification organ pipe be arranged in simulation tunnel, the temperature environment humidifier be connected with humidification organ pipe, and humidification organ pipe is provided with multiple shower nozzle; Soft air sprays in simulation tunnel from the shower nozzle humidification organ pipe, carries out humidity regulation and control to air in simulation tunnel.
Consider that the wind matter that fresh distinguished and admirable wind matter in digging laneway and Laboratory Air are sent in down-hole exists larger difference, devise new wind wind matter analogue means in tunnel, in described tunnel, new wind wind matter analogue means is linked in sequence is formed by blower fan, humidifier, electric heater, new wind airduct, and the outlet side of new wind airduct is inserted in simulation tunnel.
In order to realize the object of workplace Thermal Environment Control, need in tunnel, to input cold wind simultaneously, refrigeration cool-down is carried out to air, finally send in digging laneway, therefore tunnel cooling refrigeration analogue means is devised, described tunnel cooling refrigeration analogue means is made up of refrigeration unit, air cooler, circulation line, cold wind airduct, the inlet end of cold wind airduct communicates with air cooler, the outlet side of cold wind airduct is inserted in simulation tunnel, the circulation line between refrigeration unit and air cooler is respectively equipped with valve, chilled water pump.
Described airflow parameter observing and controlling components and parts are the pressure transducer that cold wind airduct is installed, the distinguished and admirable Temperature Humidity Sensor installed in new wind airduct, airflow velocity sensor, and in simulation tunnel, the inner distinguished and admirable Temperature Humidity Sensor every a segment distance setting and airflow velocity sensor combinations are formed, and the data gathered out are sent to computer system analysis; The circulation line of tunnel cooling refrigeration analogue means also installs air cooler on the suction side temperature sensor, flowmeter respectively, cold wind airduct is installed air cooler outlet testing temperature sensor.
Fresh distinguished and admirable for regulating and controlling better, the pipeline between blower fan and electric heater is also provided with blower fan baffle plate.
In addition, it is also provided with air quantity to blower fan, the refrigerating capacity of refrigeration unit carries out the computer long-distance control device of long-distance centralized control, frequency conversion control device.Utilize computer long-distance control device and frequency conversion control technology, long-distance centralized control is carried out to the air quantity of blower fan, the refrigerating capacity of refrigeration unit, by regulating cold wind parameter and tunnel thermal source thermal discharge, the matching relationship between matching refrigerating capacity and thermal source, searching system operating condition.
After a kind of non-coal solid mine of the present invention deep mining digging laneway hot and humid area simulated testing system adopts above technical scheme, there is following positive effect:
form the system of mutually supplementing with theory calculate, the parameters that calculates of proof theory whether reliably, the fiduciary level of theory calculate can be improve preferably;
more accurate relative to computer simulation parameter, the accuracy of the analogy model of raising and accuracy;
for the development of refrigeration equipment provides platform in the test in laboratory, the parameters of equipment is enable to better meet on-the-spot actual needs, the reliability that the equipment that ensure that is applied at the scene.
Accompanying drawing explanation
Fig. 1 is the laboratory assembling sketch of a kind of non-coal solid mine of the present invention deep mining digging laneway hot and humid area simulated testing system.
Fig. 2 is the simulation drift section figure that the present invention adopts.
Reference numeral is: A-pressure transducer; B-distinguished and admirable Temperature Humidity Sensor; C-airflow velocity sensor; D-air cooler on the suction side temperature sensor; E-air cooler outlet testing temperature sensor; G-flowmeter.
1-refrigeration unit; 2-valve; 3-chilled water pump; 4-air cooler; 5-electric heating film; 6-humidification organ pipe; 7-lithosphere; 8-zone of heating; 9-heat-insulation layer; 10-heating control apparatus; 11-temperature environment humidifier; 11 '-humidifier; 12-blower fan; 13-blower fan baffle plate; 14-electric heater; 15-cold wind airduct; 16-new wind airduct.
Embodiment
For describing the present invention, below in conjunction with drawings and Examples, a kind of non-coal solid mine of the present invention deep mining digging laneway hot and humid area simulated testing system is described in further details.
Sketch is assembled in the laboratory of a kind of non-coal solid mine of the present invention as shown in Figure 1 deep mining digging laneway hot and humid area simulated testing system and composition graphs 2 is found out, a kind of non-coal solid mine of the present invention deep mining digging laneway hot and humid area simulated testing system is combined by new in simulation tunnel, tunnel device for simulating heat source, tunnel humidity environment simulator, tunnel wind wind matter analogue means, tunnel cooling refrigeration analogue means and airflow parameter observing and controlling components and parts to form.
The structure in simulation tunnel: according to test similarity theory in laboratory, scaled down is carried out to on-the-spot actual solely head digging laneway, utilize angle steel to build tunnel skeleton, in angle steel, inlay certain thickness marble slabs, set up the laboratory basic model of only head digging laneway; The simulation tunnel set up is the rectangle cavern that on-the-spot actual solely head digging laneway carries out the upper and lower, left and right of scaled down and one end and closes, from being respectively heat-insulation layer 9, zone of heating 8, lithosphere 7 outside to inside.
Tunnel device for simulating heat source structure: the electric heater unit covering temperature and power adjustable joint in five faces such as the simulation upper and lower, left and right in tunnel and end, heats marble, actual thermal source under simulation well; Described tunnel device for simulating heat source is made up of the electric heating film 5 be arranged on zone of heating 8, the heating control apparatus 10 that is connected with electric heating film 5.
Tunnel humidity environment simulator structure: arrange two ultrasonic type temperature environment humidifiers 11 at tunnel afterbody, imports simulation tunnel by PVC humidification organ pipe 6 inner, carries out humidity regulation and control to air in simulation tunnel; Described humidification organ pipe 6 is provided with multiple shower nozzle, and humidification organ pipe 6 and temperature environment humidifier 11 connect and compose tunnel humidity environment simulator.
New wind wind matter analogue means structure in tunnel: consider that the wind matter that fresh distinguished and admirable wind matter in digging laneway and Laboratory Air are sent in down-hole exists larger difference, therefore before new wind is sent into simulation tunnel by blower fan 12, intelligent electric heater 14 is installed in air duct and ultrasound wave class humidifier 11 ' carries out conditioning to the air entered in simulation tunnel, ensures that laboratory examination is by the impact of laboratory environment temperature and humidity.In described tunnel, new wind wind matter analogue means is linked in sequence is formed by blower fan 12, ultrasound wave class humidifier 11 ', intelligent electric heater 14, new wind airduct 16, and the outlet side of new wind airduct 16 is inserted in simulation tunnel; Pipeline between blower fan 12 and electric heater 14 is also provided with blower fan baffle plate 13.
Tunnel cooling refrigeration analogue means structure: send into work Air Quantity Required in tunnel while, in order to realize the object of workplace Thermal Environment Control, need in tunnel, to input cold wind simultaneously, refrigeration unit 1 is set in laboratory and air cooler 4 pairs of air carry out refrigeration cool-down, finally sends in simulation tunnel.Described tunnel cooling refrigeration analogue means is made up of refrigeration unit 1, air cooler 4, circulation line, cold wind airduct 15, the inlet end of cold wind airduct 15 communicates with air cooler 4, the outlet side of cold wind airduct 15 is inserted in simulation tunnel, the circulation line between refrigeration unit 1 and air cooler 4 is respectively equipped with valve 2, chilled water pump 3.
Described airflow parameter observing and controlling components and parts are distinguished and admirable Temperature Humidity Sensor B, airflow velocity sensor C for the pressure transducer A of installation on cold wind airduct 15, installation in new wind airduct 16, and in simulation tunnel, the inner distinguished and admirable Temperature Humidity Sensor B every a segment distance setting and airflow velocity sensor C combines formation, and the data gathered out are sent to computer system analysis; The circulation line of tunnel cooling refrigeration analogue means also installs air cooler on the suction side temperature sensor D, flowmeter G respectively, cold wind airduct 15 is installed air cooler outlet testing temperature sensor E.Utilize computer long-distance control device and frequency conversion control technology, long-distance centralized control is carried out to the air quantity of two Fans 12, the refrigerating capacity of refrigeration unit 1, by regulating cold wind parameter and tunnel thermal source thermal discharge, the matching relationship between matching refrigerating capacity and thermal source, searching system operating condition.
Claims (2)
1. a non-coal solid mine deep mining digging laneway hot and humid area simulated testing system, it is characterized in that it be by simulation tunnel, tunnel device for simulating heat source, tunnel humidity environment simulator, new wind wind matter analogue means in tunnel, tunnel cooling refrigeration analogue means and
The combination of airflow parameter observing and controlling components and parts is formed:
Described simulation tunnel is the rectangle cavern that on-the-spot actual solely head digging laneway carries out the upper and lower, left and right of scaled down and one end and closes, from being respectively heat-insulation layer (9), zone of heating (8), lithosphere (7) outside to inside;
Described tunnel device for simulating heat source is made up of the electric heating film (5) be arranged on zone of heating (8), the heating control apparatus (10) that is connected with electric heating film (5);
Described tunnel humidity environment simulator is made up of jointly the humidification organ pipe (6) be arranged in simulation tunnel, the temperature environment humidifier (11) be connected with humidification organ pipe (6), and humidification organ pipe (6) is provided with multiple shower nozzle; Described temperature environment humidifier (11) is ultrasonic humidifier;
In described tunnel, new wind wind matter analogue means is linked in sequence is formed by blower fan (12), humidifier (11 '), electric heater (14), new wind airduct (16), and the outlet side of new wind airduct (16) is inserted in simulation tunnel; Described humidifier (11 ') is ultrasound wave class humidifier; Described electric heater (14) adopts intelligent electric heater;
Described tunnel cooling refrigeration analogue means is made up of refrigeration unit (1), air cooler (4), circulation line, cold wind airduct (15), the inlet end of cold wind airduct (15) communicates with air cooler (4), the outlet side of cold wind airduct (15) is inserted in simulation tunnel, the circulation line between refrigeration unit (1) and air cooler (4) is respectively equipped with valve (2), chilled water pump (3);
Described airflow parameter observing and controlling components and parts are the pressure transducer (A) that cold wind airduct (15) is above installed, distinguished and admirable Temperature Humidity Sensor (B), the airflow velocity sensor (C) installed in new wind airduct (16), and the inner distinguished and admirable Temperature Humidity Sensor (B) every a segment distance setting and airflow velocity sensor (C) combination are formed in simulation tunnel;
The circulation line of tunnel cooling refrigeration analogue means also installs air cooler on the suction side temperature sensor (D), flowmeter (G) respectively, exports testing temperature sensor (E) at the upper air cooler of installing of cold wind airduct (15); Pipeline between blower fan (12) and electric heater (14) is also provided with blower fan baffle plate (13).
2. a kind of non-coal solid mine as claimed in claim 1 deep mining digging laneway hot and humid area simulated testing system, is characterized in that: it is also provided with air quantity to blower fan (12), the refrigerating capacity of refrigeration unit (1) carries out the computer long-distance control device of long-distance centralized control, frequency conversion control device.
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| CN104913945A (en) * | 2015-07-03 | 2015-09-16 | 中国矿业大学 | Physical similarity simulation test system and method of mine roadway |
| CN108442961B (en) * | 2018-02-11 | 2020-05-05 | 太原理工大学 | Testing method of deep mine simulated excavation working face cooling testing device |
| CN113970453B (en) * | 2021-10-26 | 2023-09-26 | 中国矿业大学 | Heat-moisture exchange performance testing device of large enthalpy difference cooling equipment in heat damage mine mining area |
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Address after: 243000 Xitang Road, Ma'anshan Economic Development Zone, Anhui, No. 666 Patentee after: MAANSHAN Mine Research Institute Co.,Ltd. Address before: 243000 Xitang Road, Ma'anshan Economic Development Zone, Anhui, No. 666 Patentee before: SINOSTEEL MAANSHAN INSTITUTE OF MINING RESEARCH Co.,Ltd. |