CN103529178A - Outburst box body of coal and gas outburst simulation device - Google Patents
Outburst box body of coal and gas outburst simulation device Download PDFInfo
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- CN103529178A CN103529178A CN201310526223.7A CN201310526223A CN103529178A CN 103529178 A CN103529178 A CN 103529178A CN 201310526223 A CN201310526223 A CN 201310526223A CN 103529178 A CN103529178 A CN 103529178A
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- groove
- casing body
- side wall
- box body
- coal
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- 239000003245 coal Substances 0.000 title claims abstract description 30
- 238000004088 simulation Methods 0.000 title description 16
- 239000000463 material Substances 0.000 claims abstract description 4
- 239000011148 porous material Substances 0.000 claims description 15
- 238000009530 blood pressure measurement Methods 0.000 claims description 3
- 238000005056 compaction Methods 0.000 claims description 3
- 238000013461 design Methods 0.000 abstract description 2
- 238000012360 testing method Methods 0.000 description 18
- 238000000034 method Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000011160 research Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005422 blasting Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 238000013022 venting Methods 0.000 description 1
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- Filling Or Discharging Of Gas Storage Vessels (AREA)
- Casting Devices For Molds (AREA)
Abstract
The invention discloses a projecting box body of a coal and gas projecting simulator, which comprises a square box body with an opening at the upper end, wherein a box cover is arranged on the box body, a central hole and a filling material hole are arranged on the box cover, two piston holes are respectively arranged on the front side wall and the rear side wall of the box body, a projecting opening is arranged on the left side wall of the box body, an inflation hole and a wire guide hole are arranged on the right side wall of the box body, a transverse groove and a longitudinal groove which are mutually communicated are formed on the inner surface of a bottom plate of the box body, an inflation panel is covered on the groove and is provided with an air hole, the air hole is communicated with the groove, a groove communicated with the inflation hole is formed on the right side wall of the box body below the inflation hole, the groove is communicated with the groove at the lower end, and a baffle is arranged on the inner. The invention has the advantages of reasonable design, simple structure, easy implementation, realization of multidimensional pressurization, uniform inflation and convenience for detecting salient parameters.
Description
Technical field
The present invention relates to a kind of casing, particularly the outstanding casing of a kind of coal and Gas Outburst analogue means.
Background technology
Carry out coal and gas outburst simulation test abroad early, nineteen fifty-one USSR (Union of Soviet Socialist Republics) В. В. many top grades people has carried out the outstanding simulation test of one dimension first suddenly, has started the new tool that mechanism is given prominence in outstanding simulation test research.After this, between nineteen fifty-five to 1991 year, the scholars such as USSR (Union of Soviet Socialist Republics), Canada, Japan have carried out a series of outstanding simulation tests.
The people such as Deng Quan envelopes in 1989 have carried out China coal and gas outburst simulation test first, and after this, Chinese scholar has been carried out a large amount of coals and gas outburst simulation test.Main outstanding analogue means is: the outstanding simulation test device of one dimension of Fushun branch of ①Mei Yanzong institute; 2. the three-dimensional stressed rheological test device of China Mining University's coal containing methane gas sample, the outstanding simulation test device of one dimension, delay outstanding simulation test device and coal and Gas Outburst three-dimensional simulation test; 3. Inst. of Mechanics, CAS's two-dimensional analog test unit; 4. Institutes Of Technology Of He'nan's three-dimensional simulation test unit; 5. Anhui University of Science and Technology's stone door punching coal is given prominence to simulation test device; 6. University Of Chongqing's coal and Gas Outburst three-dimensional are given prominence to simulation test device.
Although the packoff of above-mentioned coal and gas outburst simulation test has completed outstanding test preferably, the common ground of these outstanding simulation test packoffs is: ubiquity bearing capacity is little, size is little, mostly be cylindrical causes only for vertical one-dimensional loads; Packoff aspis is opened and to be brought out outstanding mode and adopt detonator blasting, the mode such as manually opened more; Because packoff size is little, cause simulating coal sample size little and can not give prominence to the monitoring of parameter, can not carry out the quantitative research needs of coal and Gas Outburst mechanics parameter.Secondly, existing outstanding casing inflation adopts directly and arrives in casing from air-filled pore, inflates inhomogeneously, and the pressure in casing is inhomogeneous.
Summary of the invention
Technical matters to be solved by this invention is to provide a kind of multidimensional on-load pressure of realizing, and inflates the outstanding casing of more uniform coal and Gas Outburst analogue means.
Technical scheme of the present invention is as follows: the outstanding casing of a kind of coal and Gas Outburst analogue means, it is characterized in that: the square box body (1) that comprises upper end open, on casing body (1), be provided with case lid (2), described case lid (2) is provided with center pit (2a) and compaction material hole (2b), before described casing body (1), on rear wall, be respectively equipped with two piston holes (1a), the left side wall of described casing body (1) is provided with aspis (1b), the right side wall of described casing body (1) is provided with air-filled pore (1c) and wire guide (1d), on the inside surface of the base plate of described casing body (1), have the horizontal and vertical groove (3) of mutual perforation, on this groove (3), be stamped inflation panel (4), this inflation panel (4) is provided with bleeder vent (4a), described bleeder vent (4a) communicates with groove (3), the inside surface of the right side wall of the casing body (1) of described air-filled pore (1c) below has the groove (5) being communicated with air-filled pore (1c), described groove (5) lower end is communicated with groove (3), on the inside surface of the right side wall of described casing body (1), be coated with a baffle plate (6).
Adopt technique scheme, described outstanding casing is arranged to square box, forward and backward sidewall is established piston hole, by increased pressure board and hydraulic cylinder, coordinate to the forward and backward side of moulded coal and pressurize, on the case lid of casing, be also provided with center pit, upper end is coordinated and is pressurizeed from the upper end of moulded coal by increased pressure board and hydraulic cylinder, and the multidimensional that realizes pressure loads.Make the mechanical property of moulded coal and the mechanical property of raw coal more approaching.Secondly, inflation enters under inflation panel by air-filled pore, groove, then arrives in casing by bleeder vent, and directly from air-filled pore, is inflated in casing and compares, and inflation profile is more even, and pressure is even.
In technique scheme: be provided with gas pressure measurement hole (1e) on the left side wall of described casing body (1).Monitoring box body internal pressure easily.
In technique scheme: described wire guide (1d) is four, on the madial wall of the casing body (1) of the below of each wire guide (1d), have the groove (5) being communicated with wire guide (1d), the lower end of this groove (5) is communicated with groove (3).Like this, circuit is laid in groove through after groove.
In technique scheme: the length of the interior case of described casing body (1) is 1200-1800mm, wide is 800-1200mm, and height is 800-1200mm, and the internal diameter of described aspis (1b) is 200-300mm.Box sizes is large, conveniently gives prominence to the detection of parameter, thereby can carry out the quantitative research of coal and Gas Outburst mechanics parameter.
Beneficial effect: the present invention is reasonable in design, simple in structure, enforcement is easy, can realize multidimensional pressurization, and inflation is even, conveniently the outstanding parameter of detection.
Accompanying drawing explanation
Fig. 1 is the vertical view of outstanding casing of the present invention;
Fig. 2 is that Fig. 1 removes the vertical view after case lid;
Fig. 3 is the vertical view that removes inflation panel of Fig. 2;
Fig. 4 is the right side view of Fig. 1;
Fig. 5 is the inner side view of the right side wall of the outstanding casing of the present invention;
Fig. 6 is that Fig. 5 removes the structural representation after baffle plate;
Fig. 7 is the A-A cut-open view of Fig. 1.
Embodiment
Below in conjunction with drawings and Examples, the invention will be further described:
As shown in Fig. 1-7, the nouns of locality such as front, rear, left and right of the present invention are the relative position in representative graph only, not the absolute position of representative products.
The outstanding casing of coal of the present invention and Gas Outburst analogue means comprises the square box body 1 of upper end open, the length of the interior case of described casing body 1 is 1200-1800mm, wide is 800-1200mm, height is 800-1200mm, on casing body 1, be provided with case lid 2, described case lid 2 can depart from casing body 1, described case lid 2 is provided with center pit 2a and compaction material hole 2b, on case lid 2, prevent establishing a hydraulic cylinder, hydraulic cylinder piston stretches in casing body 1 from the center pit of case lid 2, the inserting end of piston rod connects a pressing plate, from the upper end compacting moulded coal of moulded coal.Before described casing body 1, on rear wall, be respectively equipped with two piston hole 1a, equally, the piston rod of hydraulic cylinder in the past, piston hole on rear wall stretches in casing body 1, on the inserting end of piston, connect pressing plate, both sides, front and back compacting moulded coal from moulded coal, the left side wall of described casing body 1 is provided with aspis 1b and gas pressure measurement hole 1e, the internal diameter of wherein said aspis 1b is 200-300mm, described aspis 1b is provided with explosion venting device, the right side wall of described casing body 1 is provided with an air-filled pore 1c and four wire guide 1d, wire guide 1d is positioned at the top of air-filled pore 1c, air-filled pore 1c is near lower end, on the inside surface of the base plate of described casing body 1, have the horizontal and vertical groove 3 of mutual perforation, on this groove 3, be stamped inflation panel 4, this inflation panel 4 is provided with bleeder vent 4a, in groove 3, be covered with wire, described bleeder vent 4a communicates with groove 3, the right side wall inside surface of the casing body 1 of each wire guide 1d below of described air-filled pore 1c vertically has the groove 5 being communicated with air-filled pore 1c and wire guide 1d, described groove 5 lower ends are communicated with groove 3, on the inside surface of the right side wall of described casing body 1, be coated with baffle plate 6, described baffle plate 6 is made by iron plate, baffle plate 6 covers the inside surface of the right side wall of casing body 1, make the gas entering from air-filled pore 1c only by groove 5, then enter groove 3 on the one hand, bleeder vent 4a by inflation panel 4 enters in casing body 1 again, on the other hand, facilitate the laying of wire, wire is not contacted with moulded coal.
Claims (4)
1. the outstanding casing of a coal and Gas Outburst analogue means, it is characterized in that: the square box body (1) that comprises upper end open, on casing body (1), be provided with case lid (2), described case lid (2) is provided with center pit (2a) and compaction material hole (2b), before described casing body (1), on rear wall, be respectively equipped with two piston holes (1a), the left side wall of described casing body (1) is provided with aspis (1b), the right side wall of described casing body (1) is provided with air-filled pore (1c) and wire guide (1d), on the inside surface of the base plate of described casing body (1), have the horizontal and vertical groove (3) of mutual perforation, on this groove (3), be stamped inflation panel (4), this inflation panel (4) is provided with bleeder vent (4a), described bleeder vent (4a) communicates with groove (3), the inside surface of the right side wall of the casing body (1) of described air-filled pore (1c) below has the groove (5) being communicated with air-filled pore (1c), described groove (5) lower end is communicated with groove (3), on the inside surface of the right side wall of described casing body (1), be coated with a baffle plate (6).
2. the outstanding casing of a kind of coal and Gas Outburst analogue means according to claim 1, is characterized in that: the left side wall of described casing body (1) is provided with gas pressure measurement hole (1e).
3. the outstanding casing of a kind of coal and Gas Outburst analogue means according to claim 1, it is characterized in that: described wire guide (1d) is four, on the madial wall of the casing body (1) of the below of each wire guide (1d), have the groove (5) being communicated with wire guide (1d), the lower end of this groove (5) is communicated with groove (3).
4. according to a kind of coal described in claim 1-3 any one and the outstanding casing of Gas Outburst analogue means, it is characterized in that: the length of the interior case of described casing body (1) is 1200-1800mm, wide is 800-1200mm, height is 800-1200mm, and the internal diameter of described aspis (1b) is 200-300mm.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310526223.7A CN103529178B (en) | 2013-10-30 | 2013-10-30 | Outburst box body of coal and gas outburst simulation device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310526223.7A CN103529178B (en) | 2013-10-30 | 2013-10-30 | Outburst box body of coal and gas outburst simulation device |
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| CN103529178A true CN103529178A (en) | 2014-01-22 |
| CN103529178B CN103529178B (en) | 2015-11-25 |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU653408A1 (en) * | 1976-08-01 | 1979-03-25 | Ордена Трудового Красного Знамени Институт Горного Дела Имени А.А.Скочинского | Unit for studying the phenomenon of spontaneous blowout of coal and gas |
| SU1357571A1 (en) * | 1986-03-04 | 1987-12-07 | Институт Геотехнической Механики Ан Усср | Method of simulating outburst of gas/water/coal mixture in coal excavation |
| CN101226183A (en) * | 2008-01-22 | 2008-07-23 | 重庆大学 | Projecting simulator stand for coal and firedamp |
| CN102621229A (en) * | 2012-03-27 | 2012-08-01 | 重庆大学 | Large simulation test piece box for multi field coupling coal mine dynamic disaster |
| CN202599928U (en) * | 2012-04-12 | 2012-12-12 | 辽宁工程技术大学 | Coal and gas outburst jet characteristic simulation experimental device |
| CN203587573U (en) * | 2013-10-30 | 2014-05-07 | 中煤科工集团重庆研究院有限公司 | Outburst box body of coal and gas outburst simulation device |
-
2013
- 2013-10-30 CN CN201310526223.7A patent/CN103529178B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU653408A1 (en) * | 1976-08-01 | 1979-03-25 | Ордена Трудового Красного Знамени Институт Горного Дела Имени А.А.Скочинского | Unit for studying the phenomenon of spontaneous blowout of coal and gas |
| SU1357571A1 (en) * | 1986-03-04 | 1987-12-07 | Институт Геотехнической Механики Ан Усср | Method of simulating outburst of gas/water/coal mixture in coal excavation |
| CN101226183A (en) * | 2008-01-22 | 2008-07-23 | 重庆大学 | Projecting simulator stand for coal and firedamp |
| CN102621229A (en) * | 2012-03-27 | 2012-08-01 | 重庆大学 | Large simulation test piece box for multi field coupling coal mine dynamic disaster |
| CN202599928U (en) * | 2012-04-12 | 2012-12-12 | 辽宁工程技术大学 | Coal and gas outburst jet characteristic simulation experimental device |
| CN203587573U (en) * | 2013-10-30 | 2014-05-07 | 中煤科工集团重庆研究院有限公司 | Outburst box body of coal and gas outburst simulation device |
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| CN103529178B (en) | 2015-11-25 |
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