CN206581933U - A kind of analogue means of the lower coal dust motion state of coal seam disturbance - Google Patents

A kind of analogue means of the lower coal dust motion state of coal seam disturbance Download PDF

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Publication number
CN206581933U
CN206581933U CN201720117193.8U CN201720117193U CN206581933U CN 206581933 U CN206581933 U CN 206581933U CN 201720117193 U CN201720117193 U CN 201720117193U CN 206581933 U CN206581933 U CN 206581933U
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China
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analogue means
interlayer
liquid
gas
perforate
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Expired - Fee Related
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CN201720117193.8U
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Chinese (zh)
Inventor
刘少杰
王生维
肖宇航
李�瑞
吕帅锋
粟冬梅
吕凯
李俊阳
袁铭
谷媛媛
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China University of Geosciences
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China University of Geosciences
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Priority to CN201720117193.8U priority Critical patent/CN206581933U/en
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Abstract

The utility model provides a kind of analogue means of the lower coal dust motion state of coal seam disturbance, the analogue means includes pit shaft, structure simulators, side cover, seal washer, water pump, water pipe, liquid waste processing box, header tank, air inlet pipe and air compressor machine, the pit shaft upper end is provided with upper shed, there is side connector lower side, the structure simulators side is connected with pit shaft side connector, opposite side is removably fixedly connected with the side cover, the side of seal washer and the sealing structure for side cover analogue means, the water pump conveys liquid by water pipe, the air compressor machine conveys gas by air inlet pipe.The analogue means of coal dust motion state disturbs lower coal dust generation process to coal seam and motion state is simulated since the source that coal dust is produced under a kind of coal seam disturbance, and convenient observation.

Description

A kind of analogue means of the lower coal dust motion state of coal seam disturbance
Technical field
The utility model is related to a kind of analogue means, more particularly to a kind of simulation of the lower coal dust motion state of coal seam disturbance is filled Put.
Background technology
Coal bed gas is as a kind of clean energy resource, with huge exploitation potential, there are many problems during its mining, its Middle coal dust problem is to influence the key issue of the normal mining of equipment, and the generation for understanding coal dust is solve the problems, such as coal dust important one Ring.
Common coal dust is due to largely to disturb coal seam and produce, and different Coal Pore Structures produce the amount of coal dust not Together, and the granular size and form of coal dust is also different.Existing device could not produce process to coal dust and simulate, and manage It is also therefore highly desirable a kind of device by taking pulverized coal sample to be observed by research, the coal seam of different Coal Pore Structures is carried out Disturbance, observation coal dust produces the rule of migration, so as to prove the existing result of study on coal dust.
Utility model content
In view of this, it is necessary to a kind of simulation that can simulate coal dust generation process and motion state under the disturbance of coal seam is provided and filled Put.
The utility model provides the analogue means that a kind of coal seam disturbs lower coal dust motion state, and it includes structural simulation dress Put, side cover, seal washer, air inlet pipe and air compressor machine, be provided with an accommodating chamber, the accommodating chamber in the middle part of the structure simulators Lower both sides are complied with sequentially is symmetrically arranged with air bag, the first interlayer, dress sample chamber, the second interlayer and hole conversion layer, institute outside to inside State air bag, the first interlayer, dress sample chamber, the second interlayer and hole conversion layer to be fixed in structure simulators, the side cover is removable That unloads is fixed on structure simulators side, and the seal washer is located between side cover and structure simulators, the sealing gasket The side with side cover together sealing structure analogue means is enclosed, the side cover is provided with two gas feeds, and the gas feed is each It is connected with an air bag, described air inlet pipe one end connects gas feed, other end connection air compressor machine, the gas feed and air bag company Logical, the air compressor machine provides gas, and gas enters air bag through the air inlet pipe, and second interlayer is provided with multiple perforates, institute Hole conversion layer is stated provided with perforate corresponding with the second interlayer perforate, both sides with hole conversion layer provided with opening above and below the accommodating chamber The corresponding perforate for being provided with multiple perforates, opening the second interlayer and hole conversion layer in hole, the accommodating chamber is communicated with the second interlayer.
Further, the analogue means also include pit shaft, the first water pipe, the second water pipe, the 3rd water pipe, water pump, water pipe, Liquid waste processing box and header tank, the pit shaft upper end are provided with upper shed, and lower side is provided with side connector, the side connector and accommodating chamber It is fixedly connected, the side cover is provided with liquid-inlet, described first water pipe one end connects header tank, and the other end is fixed on liquid and entered On mouth, the liquid-inlet is connected with accommodating chamber, and the accommodating chamber is connected with side connector, and described second water pipe one end passes through and above opened Mouth connection wellbore bottom, other end connection water pump, described 3rd water pipe one end connects water pump, other end connection liquid waste processing box.
Further, the structure simulators are that transparent material is constituted, and are easy to observatory control result.
Further, the air inlet pipe is provided with gas gauge and gas pressure valve, and the gas pressure valve controls gas The tolerance size of body, gas gauge shows the size of gas pressure.
Further, first water pipe is provided with liquid manometer, fluid flowmeter, liquid pressure valve, the liquid Pressure valve controls the uninterrupted of liquid, and the liquid manometer shows the size of fluid pressure, and fluid flowmeter shows flow Size.
Further, the side cover is detachably mounted to the structure simulators side by bolt.
Further, the side connector is fixedly connected with accommodating chamber threadably.
Further, second interlayer is that rigid pressure-resistant material is constituted, and flat board is embedded with the perforate of second interlayer Shape thin slice, the tabular thin slice is connected by the small button of lever and spiral, and the small button of spiral is fixed on side cover, the spiral Small button controls the opening and closing of the perforate of the second interlayer.
Further, the hole conversion layer is made up of thick rigid material, and the perforate of the hole conversion layer is embedded with Circular thin slice, the circular thin slice is connected by the big button of lever and spiral, and the big button control hole conversion layer of spiral is opened The size in hole aperture.
Further, the big button of spiral is set in the periphery of the small button of spiral, and on side cover, and the small button of spiral is to push away The mode of drawing controls the opening and closing of the second interlayer perforate, the mode adjustment apertures conversion layer perforate hole of the big button rotation of spiral The size in footpath.
The analogue means of disturbance lower coal dust motion state in coal seam of the present utility model, it is organic by coal seam reservoirs in situ and pit shaft Be combined together, by device to coal seam reservoirs carry out different condition disturbance, since coal dust produce source, to coal dust Output migration process is simulated, and facilitates observation coal dust under the conditions of different pressures and the simulation of motion state in the liquid phase Situation, be capable of quantitative analysis coal seam reservoirs suitable state of disturbance and with suitable Coal Pore Structure(Coal seam reservoirs porosity type), So as to formulate suitable mining system, the effect of management and control coal dust is reached.
Brief description of the drawings
Fig. 1 is a schematic diagram of the analogue means of the lower coal dust motion state of the utility model coal seam disturbance.
Fig. 2 is that the structure simulators inner structure of the analogue means of the lower coal dust motion state of the utility model coal seam disturbance is shown It is intended to.
Fig. 3 is a schematic diagram of the side cover of the analogue means of the lower coal dust motion state of the utility model coal seam disturbance.
Embodiment
It is new to this practicality below in conjunction with accompanying drawing to make the purpose of this utility model, technical scheme and advantage clearer Type embodiment is further described.
Referring to Fig. 1, embodiment of the present utility model provides the simulation dress that a kind of coal seam disturbs lower coal dust motion state Put, including pit shaft 18, structure simulators 27, side cover 10, seal washer 12, water pump 19, the first water pipe 2601, the second water pipe 2602nd, the 3rd water pipe 2603, base 21, liquid waste processing box 22, header tank 1, air inlet pipe 20 and air compressor machine 17;The structural simulation An accommodating chamber 24 is provided with the middle of device 27, the upper end of pit shaft 18 is provided with upper shed 23, and bottom side has side connector 2, the side Joint 2 is fixedly connected with accommodating chamber 24, in one embodiment, and the side connector 2 connects with accommodating chamber 24 threadably Connect.
The side of structure simulators 27 is connected with pit shaft 18, and opposite side is removably fixedly connected with side cover 10.
The seal washer 12 is located between side cover 10 and structure simulators 27, the seal washer 12 and side cover 10 1 Play the side of sealing structure analogue means 27.
Referring to Fig. 3, the side cover 10 is provided with bolt 11, gas feed 101, liquid-inlet 102, the small and of button 9 of spiral The big button 8 of spiral.
In the present embodiment, the bolt 11 has multiple, and the side cover 10 is detachably mounted to described by bolt 11 The side of structure simulators 27.
Described one end of first water pipe 2601 connects header tank 1, and the other end is fixed on liquid-inlet 102, and the liquid enters Mouth 102 is connected with accommodating chamber 24, and accommodating chamber 24 is connected with side connector 2, and described one end of second water pipe 2602 connects through upper shed 23 The bottom of pit shaft 18, other end connection water pump 19 are connect, described one end of 3rd water pipe 2603 is connected at water pump 19, other end connection waste liquid Case 22 is managed, the water pump 19, which provides power, makes liquid flow into accommodating chamber 24 through the first water pipe 2601 from header tank 1, and liquid is being accommodated Certain pressure differential is formed in chamber 24 and flows into pit shaft 18 through side connector 2, water pump 19 is flowed to from pit shaft 18 through the second water pipe 2602, from Water pump 19 flows to liquid waste processing box 22 through the 3rd water pipe 2603, and now liquid is circulated under a certain constant pressure.
First water pipe 2601 is provided with liquid manometer 7, fluid flowmeter 4, liquid pressure valve 3, the liquid control Pressure valve 3 controls the uninterrupted of liquid, and the liquid manometer 7 shows the size of fluid pressure, and fluid flowmeter 4 shows flow Size.
The pit shaft 18 is arranged on base 21, and the base 21 is triangle base.
Referring to Fig. 2, the accommodating chamber order that both sides are complied with outside to inside about 24 is symmetrically arranged with air bag 13, the first interlayer 28th, dress sample chamber 14, the second interlayer 16 and hole conversion layer 15, the air bag 13, the first interlayer 28, dress sample chamber 14, the second interlayer 16 and hole conversion layer 15 be fixed in structure simulators 27, the structure simulators 27 be transparent material constitute, be easy to Observatory control result.
Referring to Fig. 3, the gas feed 101 has two, the air bag 13 with accommodating chamber both sides about 24 is connected respectively, institute State the one end of air inlet pipe 20 and connect air bag 13 by gas feed 101, other end connection air compressor machine 17, air compressor machine 17 provides gas, Gas enters air bag 13 through air inlet pipe 20, in the present embodiment the upside air bag 13 of the accommodating chamber 24 simulation overlying formation pressure, The downside air bag 13 of accommodating chamber 24 simulates pressure from surrounding rock.
First interlayer 28 is that pressure-resistant flexible material is constituted, the pressure of 28 pneumatic bag of the first interlayer, 13 pairs of dress sample chambers 14 Power is impacted.
Second interlayer 16 is that rigid pressure-resistant material is constituted, and multiple perforates 1601 are laid with second interlayer 16, Embedded tabular thin slice in each perforate 1601(It is not shown), these tabular thin slices pass through lever(It is not shown)With on side cover 10 The small button 9 of spiral be connected, the small button 9 of spiral by lever make tabular thin slice move, so as to control the opening and closing of perforate 1601.
The hole conversion layer 15 is made up of thick rigid material, and the correspondence of hole conversion layer 15 perforate 1601, which is provided with, opens Hole 1501, the perforate 1501 is identical with the size and location of perforate 1601, and perforate 1501 is embedded with circular thin slice(Figure is not Show), pass through lever(It is not shown)It is connected with the big button of the spiral on side cover 10 8, the big button 8 of spiral is made circular thin by lever Piece is moved, so as to adjust the pore size of perforate 1501.
Referring to Fig. 3, the big button 8 of spiral is arranged on side cover 10 and is set in the periphery of the small button 9 of spiral, the big He of button 8 of spiral The small button 9 of spiral is combined together, and is easy to adjust pore size and the opening and closing of perforate 1601 of perforate 1501.
The small button 9 of the spiral controls the opening and closing of perforate 1601 in the way of push-and-pull in the present embodiment, and the spiral is big Button 8 adjusts the size in the aperture of perforate 1501 with the mode of rotation.
The accommodating chamber is provided with perforate 2401 in the position of both sides correspondence hole conversion layer 15 about 24;The perforate 2401 with The correspondence of perforate 1501, perforate 1501 and perforate 1601 correspondence, when perforate 1501 is opened, the accommodating chamber 24 is changed with hole Layer 15 is communicated, and is further opened perforate 1601, the accommodating chamber 24 is communicated with the second interlayer 16.
The air inlet pipe 20 is provided with gas gauge 5 and gas pressure valve 6, the control of gas pressure valve 6 gas Tolerance size, gas gauge 5 shows the size of gas pressure.
During realistic simulation, coal body sample is first made to the size of regulatory specifications, coal sample feeding is filled into sample chamber 14, Load coal sample in dress sample chamber 14 and formed after coal body, first promote the small button 9 of spiral, mobile square sheet, is closed under leverage The perforate 1601 of second interlayer 16.Start air compressor machine 17, the air compressor machine 17 provides gas, and the gas pressure valve 6 controls gas The tolerance size of body, the gas gauge 5 shows the size of gas pressure, and the simulation of the air bag 13 coal seam disturbance situation is through the After the pressure-reducing cushioning of one interlayer 28, certain pressure uniformly is applied to the coal body in dress sample chamber 14, coal body produces coal under stress Powder, coal dust enters the second interlayer 16 from dress sample chamber 14.Now, the coal sample of observable Coal Pore Structure produces the amount of coal dust.
Then, the small button 9 of spiral is pulled, by leverage, mobile square sheet opens perforate 1601, then rotate described The big button 8 of spiral, mobile annular shape thin slice, the aperture of perforate 1501 of adjustment hole conversion layer 15, so as to observe under leverage The motion state that coal dust drops from coal seam.
Start water pump 19, described to state the uninterrupted that liquid pressure valve 3 controls liquid, the liquid manometer 7 shows liquid The size of body pressure, fluid flowmeter 4 show flow size, when in the accommodating chamber 24 liquid under a certain constant pressure Enter pit shaft 18 through side connector 2, then through the second water pipe 2602 water pump 19 is flowed into by pit shaft 18, from water pump 19 through the 3rd water pipe 2603 Liquid waste processing box 22 is flowed into, when holding is circulated, the big button 8 of spiral is rotated, the mobile annular shape thin slice under leverage, The hole of perforate 1501 is further adjusted, and the tolerance size of gas is controlled by the gas pressure valve 6, regulates and controls constant pressure air bag The pressure of layer 13, in simulation mining production, coal seam reservoirs are under the disturbance of different pressure differences, and coal seam reservoirs produce the situation of coal dust, Yi Jiguan Examine in different coal seam reservoirs(It is dry, wet)Under disturbance, the generation of coal dust and migration rule.
Simultaneously can be in identical state of disturbance(Hydraulic pressure, air pressure are identical)Under, by the perforate for adjusting adjustable pore space plate 15 1501 pore size, simulates different coal seam reservoirs pore sizes, so as to observe under different coal seam reservoirs holes, the generation of coal dust and Migration rule in a liquid.
The utility model device enters to coal seam reservoirs in different disturbances and the generation of different coal body hole coal dusts and motion state Gone simulation, the original motion state of coal dust reduced substantially, be capable of quantitative analysis coal seam reservoirs suitable state of disturbance and With suitable Coal Pore Structure(Coal seam reservoirs porosity type), so as to formulate suitable mining system, reach the effect of management and control coal dust.
Herein, the involved noun of locality such as forward and backward, upper and lower is to be located at parts in accompanying drawing in figure and zero The position of part each other is intended merely to the clear of expression technology scheme and conveniently come what is defined.It should be appreciated that the noun of locality Use should not limit the claimed scope of the application.
In the case where not conflicting, the feature in embodiment and embodiment herein-above set forth can be combined with each other.
Preferred embodiment of the present utility model is the foregoing is only, it is all in this practicality not to limit the utility model Within new spirit and principle, any modification, equivalent substitution and improvements made etc. should be included in guarantor of the present utility model Within the scope of shield.

Claims (10)

1. a kind of analogue means of the lower coal dust motion state of coal seam disturbance, it is characterised in that:The analogue means includes structure mould Intend being provided with an accommodating chamber, the receiving in the middle part of device, side cover, seal washer, air inlet pipe and air compressor machine, the structure simulators Both sides are complied with above and below chamber is sequentially symmetrically arranged with air bag, the first interlayer, dress sample chamber, the second interlayer and hole conversion outside to inside Layer, the air bag, the first interlayer, dress sample chamber, the second interlayer and hole conversion layer are fixed in structure simulators, the side cover Structure simulators side is detachably mounted to, the seal washer is located between side cover and structure simulators, described close The side of seal washer and side cover sealing structure analogue means together, the side cover enters provided with two gas feeds, the gas Mouth is respectively connected with an air bag, and described air inlet pipe one end connects gas feed, and other end connection air compressor machine, the gas feed is gentle Capsule is connected, and the air compressor machine provides gas, and gas enters air bag through the air inlet pipe, and second interlayer is provided with multiple open Hole, the hole conversion layer is provided with both sides above and below perforate corresponding with the second interlayer perforate, the accommodating chamber and is provided with to be turned with hole The corresponding multiple perforates of layer perforate are changed, the perforate of the second interlayer and hole conversion layer, the accommodating chamber and the second interlayer phase is opened It is logical.
2. analogue means as claimed in claim 1, it is characterised in that:The analogue means also includes pit shaft, the first water pipe, the Two water pipes, the 3rd water pipe, water pump, water pipe, liquid waste processing box and header tank, the pit shaft upper end are provided with upper shed, and lower side is set There is side connector, the side connector is fixedly connected with the accommodating chamber, the side cover is provided with liquid-inlet, first water pipe one End connection header tank, the other end is fixed on liquid-inlet, and the liquid-inlet is connected with accommodating chamber, the accommodating chamber and side joint Head connection, described second water pipe one end connects wellbore bottom, other end connection water pump, described 3rd water pipe one end through upper shed Connect water pump, other end connection liquid waste processing box.
3. analogue means as claimed in claim 2, it is characterised in that:The structure simulators are that transparent material is constituted.
4. analogue means as claimed in claim 3, it is characterised in that:The air inlet pipe is provided with gas gauge and gas control Pressure valve, the gas pressure valve controls the tolerance size of gas, and gas gauge shows the size of gas pressure.
5. analogue means as claimed in claim 4, it is characterised in that:First water pipe is provided with liquid manometer, liquid Flowmeter, liquid pressure valve, the liquid pressure valve control the uninterrupted of liquid, and the liquid manometer shows fluid pressure Size, fluid flowmeter show flow size.
6. analogue means as claimed in claim 5, it is characterised in that:The side cover is detachably mounted to described by bolt Structure simulators side.
7. analogue means as claimed in claim 6, it is characterised in that:The side connector threadably with accommodating chamber It is fixedly connected.
8. analogue means as claimed in claims 6 or 7, it is characterised in that:Second interlayer is that rigid pressure-resistant material is constituted, Tabular thin slice is embedded with the perforate of second interlayer, the tabular thin slice is connected by the small button of lever and spiral, described The small button of spiral is fixed on side cover, and the small button of spiral controls the opening and closing of the perforate of the second interlayer.
9. analogue means as claimed in claim 8, it is characterised in that:The hole conversion layer is made up of thick rigid material, The perforate of the hole conversion layer is embedded with circular thin slice, and the circular thin slice is connected by the big button of lever and spiral, institute State the size that the big button of spiral controls hole conversion layer open pore size.
10. analogue means as claimed in claim 9, it is characterised in that:The big button of spiral is set in the periphery of the small button of spiral, and peace On side cover, the small button of spiral controls the opening and closing of the second interlayer perforate, the big button rotation of spiral in the way of push-and-pull The size of the mode adjustment apertures conversion layer open pore size turned.
CN201720117193.8U 2017-02-08 2017-02-08 A kind of analogue means of the lower coal dust motion state of coal seam disturbance Expired - Fee Related CN206581933U (en)

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CN201720117193.8U CN206581933U (en) 2017-02-08 2017-02-08 A kind of analogue means of the lower coal dust motion state of coal seam disturbance

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CN201720117193.8U CN206581933U (en) 2017-02-08 2017-02-08 A kind of analogue means of the lower coal dust motion state of coal seam disturbance

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106640043A (en) * 2017-02-08 2017-05-10 中国地质大学(武汉) Simulation device for movement state of coal powder under coal seam disturbance

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106640043A (en) * 2017-02-08 2017-05-10 中国地质大学(武汉) Simulation device for movement state of coal powder under coal seam disturbance

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Granted publication date: 20171024

Termination date: 20190208