CN104964995A - High-ground-temperature roadway physical model experiment device - Google Patents
High-ground-temperature roadway physical model experiment device Download PDFInfo
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- CN104964995A CN104964995A CN201510388130.1A CN201510388130A CN104964995A CN 104964995 A CN104964995 A CN 104964995A CN 201510388130 A CN201510388130 A CN 201510388130A CN 104964995 A CN104964995 A CN 104964995A
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Abstract
The invention relates to a high-ground-temperature roadway physical model experiment device. The high-ground-temperature roadway physical model experiment device comprises a fairing, a cylinder, a rectifier and a fan, wherein the fairing is connected at the front portion of the cylinder through a flange, the rectifier is connected at the rear portion of the cylinder through a flange, the fan is arranged at the external end portion of the rectifier, and an air duct connected with a ventilator is arranged at the inlet of the fan; a heating electrode, heat-insulating rock wool, a heating alloy mesh and mica paper are installed in the inner wall of the shell of the cylinder; the rectifier consists of a cylindrical iron cylinder and iron wire meshes fixed at the two ends of the cylindrical iron cylinder, and is used for controlling the flow direction of air entering the cylinder. The high-ground-temperature roadway physical model experiment device can be used for conventional roadway ventilation and cooling physical simulation experiments, roadway surrounding rock temperature field simulation experiments during roadway excavation, roadway surface spray layer and roadway surrounding rock heat-resistant ring simulation experiments and the like. The structure is simple, the operation is easy to perform, the cost is lower, the controllability is good and the safety coefficient is high.
Description
Technical field
The present invention relates to a kind of experimental provision, especially one can be applicable to experimental provision such as High-geotemperature tunnel physical simulation aeration-cooling grade.
Background technology
Along with the increasing of coal mining intensity, the increase year by year of pit mining level, especially the mine of China central and east, enters deep mining successively.Now, the relevant issues such as High-geotemperature highlight, and govern mine safety High-efficient Production, and especially the physiological condition of underground labour is subject to impact to a great extent.The most important condition solving High-geotemperature problem understands fully the Heat transfer law between underground work region and country rock, thus take appropriate measures.The method that first Heat transfer law seeking country rock and workspace uses is that theory deduction is in conjunction with Physical Experiment.This just requires the corresponding pilot system developing this series of physical experiment demand.
Summary of the invention
Technical matters: object of the present invention is ventilated for High-geotemperature tunnel physical simulation and tested, and provides the High-geotemperature tunnel physical model experiment device carried out in laboratory conditions that a kind of structure is simple, easy to operate, simulate effect is good.
Technical scheme: High-geotemperature tunnel of the present invention physical model experiment device, comprise radome fairing, cylindrical shell, rectifier and fan, wherein radome fairing is through the front portion of Flange joint at cylindrical shell, rectifier is through the rear portion of Flange joint at cylindrical shell, rectifier outer end is provided with fan, and the porch of fan is provided with the air duct be connected with ventilation blower; Heating electrode, heat preservation rock, heating alloys net and mica paper are installed between the outer casing inner wall of cylindrical shell; Described rectifier is made up of, for controlling the wind direction entering inner barrel a cylindrical work durm and the entanglement being fixed on cylindrical work durm two ends.
Described cylindrical shell cross-sectional shape is hexagon, and the number of cylindrical shell is 1 ~ 6; Described radome fairing is a cylindrical work durm, and internal holes becomes horn-like;
Beneficial effect: the present invention can carry out the aeration-cooling physical simulation experiment of conventional roadway, the tunnel that Temperature Field in Surrounding Rock experiment in simulation roadway digging process, simulation roadway surface spray-up and Surrounding Rock Masses of Roadway thermal resistance circle are tested.This experimental provision structure simply carries out site test compared in down-hole, for improving underground work environment, researchs and solves High-geotemperature problem and provides foundation.Its processing ease, cost is lower, and controllability is good, and safety coefficient is high, has certain reference to the related experiment equipment development in this field.
Accompanying drawing explanation
Fig. 1 is the front elevation of device of the present invention.
Fig. 2 is the left view of device rectifier of the present invention.
Fig. 3 is the right view of device cylindrical shell of the present invention.
Fig. 4 is the left view of device cylindrical shell of the present invention.
In figure: 1-radome fairing, 2-cylindrical shell, 3-rectifier, 4-fan, 5-flange, 6-stud and nut, 7-entanglement, 8-flange connecting hole, 9-lifting boom through hole, 10-ventilation blower, 11-air duct.
Embodiment
Below in conjunction with accompanying drawing, one embodiment of the present of invention are further described:
High-geotemperature tunnel of the present invention physical model experiment device, is formed primarily of radome fairing 1, cylindrical shell 2, rectifier 3, fan 4, ventilation blower 10.Wherein radome fairing 1 is connected to the front portion of cylindrical shell 2 through flange 5, and rectifier 3 is connected to the rear portion of cylindrical shell 2 through flange 5, and rectifier 3 outer end is provided with fan 4, and the porch of fan 4 is provided with the air duct 11 be connected with ventilation blower 10; Described radome fairing 1 is a cylindrical work durm, and internal holes becomes horn-like, and side is welded with flange 5; Described cylindrical shell 2 cross-sectional shape is hexagon, hollow, and inner section is circular; Heating electrode, heat preservation rock, heating alloys net and mica paper are installed between the outer casing inner wall of cylindrical shell 2; Described rectifier 3 is made up of, for controlling the wind direction entering cylindrical shell 2 inside a cylindrical work durm and the entanglement 7 being fixed on cylindrical work durm two ends.Number in hexagon cylindrical shell 2 is 1 ~ 6, experimentally requires to select number.The length of cylindrical shell 2 is L, and its diameter is φ, and the scope of diameter phi and length L ratio is 1:7 ~ 1:12.
Fan: its side is welded with flange, for being fixedly connected with;
Rectifier: it is fixed entanglement by cylindrical iron ring two ends and forms, and for controlling the wind direction of access to plant inside, both sides are welded with flange;
Hexagon cylindrical shell: the number of cylindrical shell is 1 ~ 6, experimentally can require to select number, namely simulate the length in tunnel.Barrel lenght is L, and its cross section is hexagon; Hollow, the cross section of hollow space is circular, and its diameter is φ.Cylindrical shell two ends are welded to connect uses flange.Cylinder shell and inwall intermediate arrangement have heating electrode, heat preservation rock, heating alloys net and mica paper, for simulating tunnel thermal environment;
Radome fairing: it is a cylindrical iron ring, and inside opening becomes horn-like, and side is welded with flange,
Ventilation blower: its adjustable distinguished and admirable speed and temperature entering tunnel device;
Air duct: it requires insulation, and inwall is as far as possible smooth, to reduce windage.
Experimental simulation process: to be first linked in sequence fan 4, rectifier 3, cylindrical shell 2, radome fairing 1 by flange 5, by air duct 11, ventilation blower 10 is connected with fan 4 again, afterwards, by the heating electrode in hexagon cylindrical shell and heating alloys net, analog temperature is regulated and controled to cylindrical shell heating, thermal environment under simulation well during roadway excavation, open ventilation blower 10 after heating terminates, blown in simulation underworkings by fan 4, thus the roadway of simulating under actual mining conditions ventilates.
Claims (3)
1. a High-geotemperature tunnel physical model experiment device, it is characterized in that: it comprises radome fairing (1), cylindrical shell (2), rectifier (3) and fan (4), wherein radome fairing (1) is through the front portion of Flange joint in cylindrical shell (2), rectifier (3) is through the rear portion of Flange joint in cylindrical shell (2), rectifier (3) outer end is provided with fan (4), and the porch of fan (4) is provided with the air duct (11) be connected with ventilation blower (10); Heating electrode, heat preservation rock, heating alloys net and mica paper are installed between the outer casing inner wall of described cylindrical shell (2); Described rectifier (3) is made up of a cylindrical work durm and the entanglement (7) being fixed on cylindrical work durm two ends, enters the inner wind direction of cylindrical shell (2) for controlling.
2. a kind of High-geotemperature tunnel according to claim 1 physical model experiment device, it is characterized in that: described cylindrical shell (2) cross-sectional shape is hexagon, the number of cylindrical shell (2) is 1 ~ 6.
3. a kind of High-geotemperature tunnel according to claim 1 physical model experiment device, is characterized in that: described radome fairing (1) is a cylindrical work durm, and internal holes becomes horn-like.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510388130.1A CN104964995A (en) | 2015-07-03 | 2015-07-03 | High-ground-temperature roadway physical model experiment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510388130.1A CN104964995A (en) | 2015-07-03 | 2015-07-03 | High-ground-temperature roadway physical model experiment device |
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| CN104964995A true CN104964995A (en) | 2015-10-07 |
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| CN201510388130.1A Pending CN104964995A (en) | 2015-07-03 | 2015-07-03 | High-ground-temperature roadway physical model experiment device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108590730A (en) * | 2018-05-09 | 2018-09-28 | 王金凤 | A kind of roadway cooling simulation test device and test method |
Citations (6)
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| CN2047373U (en) * | 1988-10-12 | 1989-11-08 | 南京长江教科文开发公司 | Experimental device for ventilation |
| CN201464396U (en) * | 2009-07-07 | 2010-05-12 | 中国矿业大学 | Mine laneway wall rock heat transmission simulation experimental device |
| US20110282634A1 (en) * | 2010-05-14 | 2011-11-17 | Schlumberger Technology Corporation | Method and apparatus for near well structural modeling based on borehole dips |
| CN202735278U (en) * | 2012-01-16 | 2013-02-13 | 中国矿业大学 | Experimental facility for simulating laneway spouting thermal insulation material cooling effect |
| CN104122289A (en) * | 2013-07-17 | 2014-10-29 | 中国矿业大学(北京) | Underground coal gasification model test bed and test method |
| US20150100267A1 (en) * | 2012-05-09 | 2015-04-09 | Gerald Mischke | Heat Transfer Measurement and Calculation Method |
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2015
- 2015-07-03 CN CN201510388130.1A patent/CN104964995A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2047373U (en) * | 1988-10-12 | 1989-11-08 | 南京长江教科文开发公司 | Experimental device for ventilation |
| CN201464396U (en) * | 2009-07-07 | 2010-05-12 | 中国矿业大学 | Mine laneway wall rock heat transmission simulation experimental device |
| US20110282634A1 (en) * | 2010-05-14 | 2011-11-17 | Schlumberger Technology Corporation | Method and apparatus for near well structural modeling based on borehole dips |
| CN202735278U (en) * | 2012-01-16 | 2013-02-13 | 中国矿业大学 | Experimental facility for simulating laneway spouting thermal insulation material cooling effect |
| US20150100267A1 (en) * | 2012-05-09 | 2015-04-09 | Gerald Mischke | Heat Transfer Measurement and Calculation Method |
| CN104122289A (en) * | 2013-07-17 | 2014-10-29 | 中国矿业大学(北京) | Underground coal gasification model test bed and test method |
Non-Patent Citations (1)
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| 张源: "高地温巷道围岩非稳态温度场及隔离降温机理研究", 《中国博士学位论文全文数据库 工程科技I辑》 * |
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|---|---|---|---|---|
| CN108590730A (en) * | 2018-05-09 | 2018-09-28 | 王金凤 | A kind of roadway cooling simulation test device and test method |
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Application publication date: 20151007 |