CN209586409U - Simulate the experimental provision of a variety of production scene ventilations in mine - Google Patents
Simulate the experimental provision of a variety of production scene ventilations in mine Download PDFInfo
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- CN209586409U CN209586409U CN201920243086.9U CN201920243086U CN209586409U CN 209586409 U CN209586409 U CN 209586409U CN 201920243086 U CN201920243086 U CN 201920243086U CN 209586409 U CN209586409 U CN 209586409U
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Abstract
The utility model provides a kind of experimental provisions for simulating a variety of production scenes ventilations in mine, including axial flow blower, flexible pipe, measurement pipe, flowmeter, coupling tube, it is in charge of the supervisor formed, end pipe, ventilation duct by multistage, axial flow blower is connected by flexible pipe with measurement pipe, flowmeter is installed, measurement pipe connects coupling tube in measurement pipe;It is responsible for right end and end pipe is installed;End pipe is divided into straight end pipe, flaring end pipe, corner end pipe three types;Coupling tube is divided into the cast for being connected to measurement pipe and ventilation duct and the cast two types for being connected to measurement pipe and supervisor;A kind of use is selected in coupling tube according to ventilation scene to be simulated;A kind of use is selected in straight end pipe, flaring end pipe and corner end pipe, the utility model can simulate the ventilation of production scene in a variety of mines, and equipment cost is low, and present apparatus volume can control in smaller range, save space.
Description
Technical field
The utility model belongs to mine ventilation technology field, in particular to a variety of production scenes is logical in a kind of simulation mine
The experimental provision of wind.
Background technique
Ventilation plays an important role to mine safety production, personnel's health etc., and laboratory experiment is a kind of research mine
The distinguished and admirable important method of well.Underground ventilating mode is more, and it is (forced logical to be divided into automation examination according to production scene
The ventilation that combines of pressure is taken out in wind, exhaust ventilation), mine (mine) face-airing (when normal ventilation, goaf air leaking, catastrophe
Phase ventilation), dash etc..It studies mine ventilation and needs to establish more set experimental provisions corresponding with different production scenes, however
It establishes more set experimental provisions simultaneously to need to expend a large amount of financial resources, occupy a large amount of space, it is therefore necessary to design one support N of one kind
A set of simulation mine in it is a variety of production scenes distinguished and admirable experimental provisions.By a set of simple experimental simulation device, meet mine
The ventilated environment demand of various production scenes in well, makes every effort to accomplish that more scene loops of device equipment utilize.
Summary of the invention
The present apparatus is intended to provide a kind of experimental provision for simulating the ventilations of a variety of production scenes in mine.The device can not only
The common reed does automation examination, dash, coal mining (mine) three kinds of working face simulations divulged information, additionally it is possible to reduce such research and set
The cost applied.
In order to achieve the above purposes, the technical solution adopted by the utility model is:
The experimental provisions of a variety of production scenes ventilations in a kind of simulation mine, including axial flow blower, flexible pipe, measurement pipe,
Flowmeter, is in charge of the supervisor formed, end pipe, ventilation duct by multistage at coupling tube, wherein axial flow blower passes through flexible pipe and measurement
Pipe is connected, and flowmeter is installed in measurement pipe, and measurement pipe connects coupling tube;It is responsible for right end and end pipe is installed;The end pipe is divided into straight end
Pipe, flaring end pipe, corner end pipe three types;The coupling tube is divided into the cast for being connected to measurement pipe and ventilation duct and is used for
It is connected to the cast two types of measurement pipe and supervisor;One is selected in coupling tube according to the ventilation situation of production scene to be simulated
Kind uses, and selects a kind of use in straight end pipe, flaring end pipe and corner end pipe.
The utility model only needs replacing section components, can reach the reality of the ventilation of a variety of production scenes in simulation mine
Purpose, less investment are tested, the volume of the present apparatus can control in smaller range, save space.Coupling tube realize measurement pipe with
Mutual conversion between different tube diameters, difference are tubular.
Preferably, aperture is uniformly provided on straight end end surfaces, side wall surface is equipped with measured hole;It is open wide for being flared end pipe
Mouthful, pipe side wall is equipped with measured hole;Aperture is uniformly provided in corner end pipe end face and side wall surface;Equipped with sealing on the measured hole
Plug.
Preferably, the small aperture is 5mm.
Preferably, supervisor is square pipe or circular pipe.
Preferably, the coupling tube is divided into three kinds: three or three kinds of cast one, cast two, cast casts, cast one are left big right
Small, big mouth is for docking measurement pipe, and osculum is for docking ventilation duct;Cast two is left small and right large, and osculum is circle, for connecing measurement
Pipe;Mouth is rectangular greatly, for docking rectangular supervisor;Cast three is left small and right large, osculum for docking measurement pipe, big mouth for pair
Meet supervisor.
Preferably, measurement pipe is responsible for each with coupling tube, coupling tube and ventilation duct or supervisor, supervisor and end pipe and composition
It is flange connection between being in charge of.
Preferably, the supervisor adjusts length by the quantity of being in charge of of increase and decrease assembling.
Detailed description of the invention
Fig. 1 is the utility model basic block diagram;
Fig. 2 a is coupling tube cast one;
Fig. 2 b is coupling tube cast two (square opening);
Fig. 2 c is coupling tube cast two (round mouth);
Fig. 3 a is straight end pipe;
Fig. 3 b is flaring end pipe;
Fig. 3 c is corner end pipe;
Fig. 4 is one experimental configuration one of example;
Fig. 5 is one experimental configuration two of example;
Fig. 6 is two laminar flow structure chart of example;
Fig. 7 is two turbulent structure figure of example;
Fig. 8 is three experimental configuration of example;
Fig. 9 is four experimental configuration of example.
In figure, axial fan 1, flexible pipe 2, measurement pipe 3, flowmeter 4, coupling tube 5, ventilation duct 6, supervisor 7, end pipe 8,
Straight end pipe 81 is flared end pipe 82, corner end pipe 83, every sieve 9, measured hole 10, aperture 11.
Specific embodiment
The experimental provision of the ventilations of a variety of production scenes in a kind of simulation mine, as shown in Figure 1, include axial fan 1,
Flexible pipe 2, flowmeter 4, coupling tube 5, is in charge of the supervisor 7 formed, end pipe 8, ventilation duct 6 by multistage at measurement pipe 3.Axial-flow type wind
Machine 1 provides two kinds of operating modes of exhaust ventilation and forced ventilation.Axial fan 1 passes through flexible pipe 2 and 3 phase of measurement pipe
Even, flowmeter 4 is provided among measurement pipe 3, flowmeter 4 is for airflow velocity and air force at the real-time monitoring location point.
By connecting next sequentially component with coupling tube 5, the supervisor 7 to match connect measurement pipe 3 with end pipe 8.Unitary construction is complete
Experimental simulation device.
The utility model provides two kinds of coupling tubes, and one is be used to be connected to measurement pipe 3 and ventilation as shown in Fig. 2 (a)
The type of pipe 6;Another is the type for being connected to measurement pipe 3 and supervisor 7 as shown in Fig. 2 (b), 2 (c).This two kinds of casts
It is used when carrying out different scenes simulation.
Specifically, cast one is left large and right small as shown in Fig. 2 a, 2b, 2c, big mouth for docking measurement pipe, osculum for pair
Connect air hose;Cast two is left small and right large, and osculum is circle, for connecing measurement pipe;Mouth is rectangular greatly, for docking rectangular master
Pipe;Cast three is left small and right large, and osculum is for docking measurement pipe, and big mouth is for docking supervisor.
When experiment, it is responsible for 7 preferred square pipes, naturally it is also possible to be circular pipe.For measurement pipe 3 and supervisor 7 to be connected
Logical 5 side of coupling tube is structure compatible with measurement pipe 3, and the other side is structure compatible with 7 shapes of supervisor, cast
Two, cast three belongs to the second class coupling tube.Supervisor's connecting side of cast two be it is rectangular to interface, as shown in Fig. 2 (b);Cast
Three supervisor's connecting side is circle to interface, such as Fig. 2 (c).
The utility model additionally provides a variety of end pipe structures: as shown in Fig. 3 a, 3b, 3c, end pipe 8 is divided for straight end pipe, flaring
End pipe, corner end pipe three types.Wherein, such as Fig. 3 a, aperture 11 is uniformly provided on straight end end surfaces, side wall surface is equipped with measurement
Hole 10, sealing-plug is filled on measured hole 10, and sealing-plug needs detachable according to experiment.Such as Fig. 3 b, being flared end pipe is one open wide
Mouthful, it is flared on end pipe pipe side wall and sets measured hole 10, the sealing-plug on measured hole 10 is torn open as needed/filled.Such as Fig. 3 c corner end pipe
Aperture 11 is uniformly provided on end face and side wall surface.The hole diameter very little, aperture about 5mm play simulation in an experiment and leak out
Effect, while also can seal block by implements and obstruct and leak out, such as be blocked and be provided with monolith plank or glass plate
The wall surface of aperture.
Measurement pipe 3 and coupling tube 5, coupling tube 5 and ventilation duct 6 or supervisor 7, supervisor 7 are responsible for each with end pipe 8 and composition
It is flange connection between being in charge of.
Next in conjunction with attached drawing, clear, complete description is carried out to the technical solution of the utility model, the utility model mentions
The structure chart for having supplied the experimental provision simulation to different production scenes, is situated between in detail to this programme below with reference to these attached drawings
It continues:
Embodiment 1
Using the distinguished and admirable experiment of the utility model simulation driving face, it is logical that automation examination generallys use part
Wind, draft type is divided into forced ventilation, exhaust ventilation, takes out three kinds of ventilation that pressure combines, therefore simulates driving face
Ventilation is also required to three kinds of model forms of transformation.
When simulating automation examination using forced or exhaust ventilation, as shown in figure 4, axial fan 1 is logical
It crosses flexible pipe 2 to connect with measurement pipe 3, the coupling tube 5 used is cast one, connects measurement pipe 3 and ventilation duct 6 by cast one
It connects, for the setting of ventilation duct 6 in supervisor 7,7 right ends of supervisor install end pipe 8, and the selection of end pipe 8 uses straight end pipe 81,6 outlet air of ventilation duct
Mouth position is arranged in 81 range of straight end pipe.
Wherein axial fan 1 is set as forced or exhaust ventilation mode, and device will simulate underworkings, ventilation duct
6 play the role of simulating underground ventilating air duct, and the straight end pipe 81 of connection simulates underground driving face scene.Ventilation duct is by axis
Flow type fan 1 provide it is distinguished and admirable be passed through driving face i.e. end pipe, wherein exhaust ventilation should be closer to compared with forced ventilation
Driving face.Measured hole 10 is provided in the side wall surface of end pipe 8 at a certain distance, these measured holes 10 are close with rubber stopper
Envelope.When carrying out the acquisition of simulated experiment data, one of rubber stopper under disassembly is protruded into using Pitot tube and tilting differential manometer
Measured hole 10 reads the value of wind speed, air quantity, wind pressure.Measurement so is completed to the measured hole of different location.Simulate driving face
Distinguished and admirable several scenes can be in charge of quantity adjustment supervisor's length by increasing, to realize simulation underground with driving face
Distinguished and admirable analog case during propulsion, corresponding ventilation duct should also extend with supervisor.
When simulating automation examination using the ventilation pressed and combined is taken out, as shown in figure 5, being equipped with two sets of axial-flow type wind
Machine, one is set as forced ventilation, and one is set as exhaust ventilation.Have with independent forced ventilation or exhaust ventilation
Institute is different, and in the supervisor 7 and 81 device of straight end pipe in simulation driving face tunnel, and axial fan 1 is mating is provided with two
Ventilation duct device is covered, a ventilation duct forced ventilation, another ventilation duct exhaust ventilation can be according to tool when simulated experiment
Hold in vivo using the short pumping of long pressure or the long draft type connection for taking out short pressure, mounting device.When carrying out the acquisition of simulated experiment data,
As single formula automation examination acquisition method.
Embodiment 2
Using the experiment of the utility model simulation air flow in laneway, axial fan is connect with measurement pipe by flexible pipe, is made
With the second class coupling tube, measurement pipe and supervisor are connected by cast two or cast three, supervisor's right end installs end pipe.
Air flow in laneway includes laminar flow and turbulent two kinds of fluidised forms, therefore simulates air flow in laneway and be also required to two kinds of experimental models.
As shown in fig. 6, when simulate air flow in laneway fully developed flow it is dynamic when, 1 forced ventilation of axial fan, supervisor 7 with
Installation is every sieve 9 on the inside of the connecting end surface of coupling tube 5, so that being passed through the distinguished and admirable of pipeline is rapidly reached fully developed laminar condition.
Flaring end pipe 82 plays the role of preventing distinguished and admirable reflux.The end pipe used under this situation is flaring end pipe 82, is flared end pipe 82
The measured hole 10 of upper setting is for convenience of acquisition experimental data, and when acquiring data, sealing-plug is removed, and probes into Pitot tube, monitors tunnel
Wind pressure and wind speed complete the experiment of simulation air flow in laneway laminar condition.
As shown in fig. 7, when simulation air flow in laneway flows the distinguished and admirable variation for moving transition to fully developed flow from non-fully developed
When, axial fan 1 is set as exhaust ventilation, is responsible for 7 end installing angle end pipes 83, expansion is installed in 83 end of corner end pipe again
Mouthful.Flaring is effectively assembled distinguished and admirable, it is ensured that sufficient distinguished and admirable infeed corner end pipe and supervisor.90 ° of bent angles make wind in corner end pipe 83
Stream loses symmetrical formation non-fully developed flowing in pipeline a distance, is arranged in place every sieve 9, so that it may
Realize that simulation air flow in laneway flows the situation that transition is moved to fully developed flow from non-fully developed.
According to specific experiment demand, supervisor 7 can use circular pipe or square pipe, form pair of different casts
Than research.After selected supervisor's shape, there is the coupling tube of connection relationship with it and end pipe is to select matched shape simultaneously.
Embodiment 3
As shown in figure 8, simulating the experiment of goaf air leaking in (mine) face-airing of mining: axis stream using the utility model
Formula blower 1 is connect by flexible pipe 2 with measurement pipe 3, and using rectangular supervisor, coupling tube is cast two, is responsible for right end installing angle
End pipe.
The aperture simulation goaf being arranged in end pipe, axial fan offer is distinguished and admirable, and flowmeter is to distinguished and admirable in measurement pipe
Speed, flow are monitored.By using increase supervisor in be in charge of quantity either remove part be in charge of change goaf turn
The position of angle end pipe 83, and then wind pressure, air monitoring are carried out to model cross section place by Pitot tube, it is carried out pair with flowmeter
Than completing the experiment of simulation goaf air leaking, and then probe into the harm and Correlative Influence Factors of goaf air leaking.
Embodiment 4
The experiment normally divulged information with catastrophe period inverted ventilation in (mine) face-airing of mining is simulated using the utility model: such as
Shown in Fig. 9, axial fan 1 is connect by flexible pipe 2 with measurement pipe 3, and the coupling tube used is cast two or cast three, is led to
It crosses coupling tube 5 and connect measurement pipe 3 with supervisor 7, supervisor's right end installs straight end pipe 81.
According to specific experiment demand, supervisor 7 can select circular pipe or square pipe to carry out experiment simulation respectively.Mould
When normally divulging information with catastrophe period inverted ventilation in quasi- (mine) face-airing of mining, its most fundamental requirement is to need to provide positive
It is distinguished and admirable or reversed distinguished and admirable, by converting the operating mode of axial fan, to reach two kinds of distinguished and admirable basic demands.Except this it
Outside, by changing distinguished and admirable size, normal ventilation and the related concrete condition of catastrophe period inverted ventilation are simulated.Then, according to retouching above
Method is stated, experimental data is acquired, completes experiment.
Obviously, embodiment listed above is only the utility model a part of the embodiment, instead of all the embodiments.
Based on the embodiments of the present invention, those skilled in the art is obtained without making creative work
The all other embodiment obtained, belongs to the protection scope of the utility model.
The utility model reaches the experiment dress of the ventilation of a variety of production scenes in simulation mine by selecting different end pipes
The purpose set, less investment, the volume of device can control in smaller range, save space.Coupling tube realize different tube diameters,
Mutual conversion between difference is tubular.
The various pipe fittings of the utility model are made of organic glass, have specific gravity small, intensity is larger, corrosion-resistant, moisture-proof, resistance to
It shines, good insulation preformance, price is lower, is easy to the advantages that being machined.
Claims (7)
1. it is a kind of simulation mine in it is a variety of production scenes ventilations experimental provision, including axial flow blower, flexible pipe, measurement pipe,
Flowmeter, is in charge of the supervisor formed, end pipe, ventilation duct by multistage at coupling tube, it is characterized in that: wherein, axial flow blower passes through flexibility
Pipe is connected with measurement pipe, and flowmeter is installed in measurement pipe, and measurement pipe connects coupling tube;It is responsible for right end and end pipe is installed;The end pipe
It is divided into straight end pipe, flaring end pipe, corner end pipe three types;The coupling tube is divided into the pipe for being connected to measurement pipe and ventilation duct
Type and cast two types for being connected to measurement pipe and supervisor;According to the ventilation situation of production scene to be simulated in coupling tube
In select a kind of use, straight end pipe, flaring end pipe and corner end pipe select a kind of use.
2. the experimental provision of the ventilations of a variety of production scenes in mine is simulated as described in claim 1, it is characterized in that: straight end pipe end
Aperture is uniformly provided on face, side wall surface is equipped with measured hole;Flaring end pipe is open wide-mouth, and pipe side wall is equipped with measured hole;
Aperture is uniformly provided in corner end pipe end face and side wall surface;Sealing-plug is housed on the measured hole.
3. the experimental provision of the ventilations of a variety of production scenes in mine is simulated as claimed in claim 2, it is characterized in that: the aperture
Aperture is 5mm.
4. the experimental provision of the ventilations of a variety of production scenes in mine is simulated as described in claim 1, it is characterized in that: the supervisor side of being
Shape pipeline or circular pipe.
5. the experimental provision of the ventilations of a variety of production scenes in mine is simulated as claimed in claim 4, it is characterized in that: coupling tube point
For three or three kinds of cast one, cast two, cast casts, cast one is left large and right small, and big mouth is for docking measurement pipe, and osculum is for docking
Ventilation duct;Cast two is left small and right large, and osculum is circle, for connecing measurement pipe;Mouth is rectangular greatly, for docking rectangular supervisor;
Cast three is left small and right large, and osculum is for docking measurement pipe, and big mouth is for docking supervisor.
6. as described in claim 1 simulation mine in it is a variety of production scenes ventilations experimental provision, it is characterized in that: measurement pipe with
Coupling tube, coupling tube and ventilation duct or supervisor, supervisor and end pipe and composition supervisor be respectively in charge of between be flanged joint knot
Structure.
7. simulating the experimental provision of the ventilation of a variety of production scenes in mine, feature as described in any one of claim 1-6
Be: supervisor adjusts length by the quantity of being in charge of of increase and decrease assembling.
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111412007A (en) * | 2020-04-07 | 2020-07-14 | 河南工程学院 | Mine ventilation device |
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- 2019-02-26 CN CN201920243086.9U patent/CN209586409U/en active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111412007A (en) * | 2020-04-07 | 2020-07-14 | 河南工程学院 | Mine ventilation device |
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