CN104792968B - A kind of simulation boring blocking section dredging pilot system and test method thereof - Google Patents
A kind of simulation boring blocking section dredging pilot system and test method thereof Download PDFInfo
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- CN104792968B CN104792968B CN201510174700.7A CN201510174700A CN104792968B CN 104792968 B CN104792968 B CN 104792968B CN 201510174700 A CN201510174700 A CN 201510174700A CN 104792968 B CN104792968 B CN 104792968B
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- boring
- blocking section
- pressure
- drilling rod
- test
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Abstract
The invention discloses a kind of simulation boring blocking section dredging pilot system and test method thereof, including air supply device, boring test platform, buncher, confined pressure charger, high-speed camera instrument, boring blocking section, described air supply device is connected with the transparent material bore entrance on boring test platform by air intake sebific duct, buncher is fixed on boring test platform, drilling rod one end is arranged on buncher, holed inner chamber by transparent material, the drilling rod other end is arranged on boring test platform bracing frame, and high-speed camera instrument is arranged on the side of boring test platform.Its test method: in the boring confined pressure loaded ring be arranged on the boring blocking section made on boring test platform, apply pressure to boring blocking section by confined pressure charger, connect air supply device, starts boring blocking section dredging test.The present invention is novel in design, can test different confined pressure, different blocking segment length, dissimilar drilling rod, different coal inclination angle, different drilling rod rotary speed, the variation characteristic of boring blocking section dredging pressure.
Description
Technical field
The invention belongs to mine gas prevention and control technical field, be specifically related to a kind of simulation boring blocking section dredging pilot system and
Its test method.
Background technology
Drilling construction is the premise of underground gas extraction, by factor effects such as crustal stress, gas pressure, drilling rod perturbed forces,
Boring deflection is big, hole drilling deslagging space contraction, and drilling cuttings migration resistance increases, and drilling cuttings is easily piled up, blocked and cause boring
Construction is forced to terminate, when dealing with improperly, fall to bore, in the breaking of rod and hole the accident such as gas combustion with occurring.For air drilling
Technique, when forming blocking section in boring, in hole, gas pressure raises, and in hole, gas pressure is more than rubbing that boring blocking section is formed
When wiping resistance, boring blocking section can be dredged, when in hole, gas pressure reaches the upper limit of air feed system, and boring blocking section is still
When cannot dredge, drilling construction will be forced to terminate.Creep in engineering actual, boring blocking section periphery confined pressure, drilling rod cross section shape
The factors such as shape, drilling rod rotary speed all can affect the change of boring blocking section dredging pressure, therefore, it is necessary to a kind of coal seam of exploitation
Creep into visualization hole drilling deslagging pilot system and test method thereof, it is possible to the different confined pressure of test, different blocking segment length, inhomogeneity
The variation characteristic of boring blocking section dredging pressure under type drilling rod, different coal inclination angle, different drilling rod rotational speed condition, for reality
Engineering determining, air feed system blast parameter coupling, prevention boring blocking, drilling tool structure innovation provide Technical Reference.
Summary of the invention
The invention provides a kind of simulation boring blocking section dredging pilot system and test method thereof, it is possible to test difference is enclosed
Boring blocking section under pressure, different blocking segment length, dissimilar drilling rod, different coal inclination angle, different drilling rod rotational speed condition
The variation characteristic of dredging pressure.
For solving above-mentioned technical problem, the present invention adopts the following technical scheme that system is tested in one simulation boring blocking section dredging
System, including air supply device, boring test platform, buncher, confined pressure charger, high-speed camera instrument, boring blocking section, its
It is characterised by: described air supply device is connected with the transparent material bore entrance on boring test platform by air intake sebific duct, buncher
Being fixed on boring test platform, drilling rod one end is arranged on buncher, and by transparent material boring inner chamber, the drilling rod other end is pacified
Being contained on boring test platform bracing frame, high-speed camera instrument is arranged on the side of boring test platform；Air supply device by air compressor,
Control switch, air intake sebific duct, Pressure gauge composition；Boring test platform is by bracing frame, slag input case, slag inlet switch, casing, thoroughly
Bright material boring, drilling rod, slag tapping box, testing stand support, lifting regulator composition；Confined pressure charger is by for press pump, high pressure
Sebific duct, confession press pump tap changer, blocking section Pressure gauge, boring confined pressure loaded ring composition.
A kind of test method simulating boring blocking section dredging pilot system, test method comprises the following steps:
1. in the boring confined pressure loaded ring boring blocking section made being arranged on boring test platform；
Apply pressure 2. to boring blocking section, start for press pump, observed pressure table, adjust pressure to test setting value；
3. high-speed camera instrument is set up at boring blocking section end, the motion feature when observational record boring blocking section dredging；
4. connect air supply device, start air compressor, be gradually increased pressure, force value during record boring blocking section dredging.
Owing to have employed such scheme, the invention have the characteristics that:
1. can conveniently adjust boring blocking section confined pressure by confined pressure charger, boring blocking section dredging under the conditions of different confined pressure can be carried out
Test.
2. adjust confined pressure charger length, different boring stemming length boring blocking section dredging test can be carried out.
3. the drilling rod type being arranged on buncher by replacing, and make the boring blocking matched with drilling rod cross section
Section, can carry out the boring blocking section dredging test of dissimilar drilling rod.
4. by arranging lifting regulator at testing stand support, the boring blocking section dredging examination of different dip angle of hole can be carried out
Test.
5. drive rotation device for drill rod to use multistep speed regulation motor, the boring blocking section dredging of drilling rod different rotation rates can be carried out
Test.
6. by the internal diameter of boring on regulation boring test platform, the boring blocking section dredging examination of different bore diameter can be carried out
Test.
7. open slag inlet switch, be continuously added drilling cuttings by slag input case in the front end applying confined pressure boring blocking section, thus
The variation characteristic dredging pressure in the boring blocking dynamic propagation process of section can be simulated.
Accompanying drawing explanation
Fig. 1 be the present invention hole blocking section dredging test system architecture schematic diagram.
Detailed description of the invention
As it is shown in figure 1, a kind of simulation boring blocking section dredging pilot system and test method thereof, including air supply device
(1), boring test platform (2), buncher (3), confined pressure charger (4), high-speed camera instrument (5), boring blocking section
(6), it is characterised in that: described air supply device (1) is by air intake sebific duct (13) and the transparent material on boring test platform (2)
Matter boring (24) entrance connects, and buncher (3) is fixed on boring test platform (2), and drilling rod (26) one end is arranged on
On buncher (3), by transparent material boring (25) inner chamber, drilling rod (26) other end is arranged on boring test platform
(2), on bracing frame (21), high-speed camera instrument (5) is arranged on the side of boring test platform (2).Air supply device (1) by
Air compressor (11), control switch (12), air intake sebific duct (13), Pressure gauge (14) composition.Boring test platform (2)
By bracing frame (21), slag input case (22), slag inlet switch (23), casing (24), transparent material boring (25), drilling rod
(26), slag tapping box (27), testing stand support (28), lifting regulator (29) composition, bracing frame (21) is arranged on examination
Testing platform support (28) left end, casing (24) is arranged between boring blocking section (6) and bracing frame (21), and is arranged on
On testing stand support (28), connect in slag input case (22) is arranged on casing (24) and with transparent material boring (25), enter
Cinder notch switch (23) is arranged on the lower end of slag input case (22), and slag tapping box (27) is arranged on confined pressure loaded ring (45) and speed governing
Between motor (3) and be fixed on testing stand support (28), transparent material boring (25) is by casing (24) and slags tap
Case (27) is arranged on the top of testing stand support (28), and drilling rod (26) is through slag tapping box (27), transparent material boring
(25) and casing (24), drilling rod (26) left end is arranged on bracing frame (21), drilling rod (26) right-hand member and buncher
(3) connecting, lifting regulator (29) is arranged on testing stand support (28) bottom；Confined pressure charger (4) is by for press pump
(41), high-pressure rubber pipe (42), confession press pump tap changer (43), blocking section Pressure gauge (44), boring confined pressure loaded ring
(45) composition, is connected to hole on confined pressure loaded ring (45) by high-pressure rubber pipe (42) for press pump (41), and confined pressure loads
Ring (45) is arranged between casing (24) and slag tapping box (27) and is arranged on testing stand support (28), for press pump
(41) install successively for press pump tap changer (43), blocking section Pressure gauge (44) on the high-pressure rubber pipe (42) drawn.
A kind of simulation boring blocking section dredging pilot system and test method thereof, test method comprises the following steps:
1. the boring made blocking section (6) is arranged on boring confined pressure loaded ring (45) on boring test platform (2) Nei；
Apply pressure 2. to boring blocking section (6), start for press pump (41), observed pressure table, adjust pressure and set to test
Value；
3. high-speed camera instrument (5) is set up at boring blocking section (6) end, when observational record boring blocking section (6) dredging
Motion feature；
4. connect air supply device, start air compressor, be gradually increased pressure, pressure during record boring blocking section (6) dredging
Value.
Claims (2)
1. a simulation boring blocking section dredging pilot system, loads including air supply device, boring test platform, buncher, confined pressure
Device, high-speed camera instrument, boring blocking section, it is characterised in that: described air supply device is by air intake sebific duct and boring test platform
Transparent material bore entrance connect, buncher is fixed on boring test platform, and drilling rod one end is arranged on buncher, logical
Crossing transparent material boring inner chamber, the drilling rod other end is arranged on boring test platform bracing frame, and high-speed camera instrument is arranged on boring test
The side of platform；Air supply device is made up of air compressor, control switch, air intake sebific duct, Pressure gauge；Boring test platform is by supporting
Frame, slag input case, slag inlet switch, casing, transparent material boring, drilling rod, slag tapping box, testing stand support, lifting regulator
Composition, bracing frame is arranged on testing stand support left end, and casing is arranged between boring blocking section and bracing frame, and is arranged on test
On platform support, connecting in slag input case is arranged on casing and with transparent material boring, slag inlet switch is arranged on the lower end of slag input case,
Slag tapping box is arranged between confined pressure loaded ring and buncher and is fixed on testing stand support, transparent material boring by casing and
Slag tapping box is arranged on the top of testing stand support, and drilling rod is through slag tapping box, transparent material boring and casing, and drilling rod left end is arranged on
Bracing frame, drilling rod right-hand member is connected with buncher, and lifting regulator is arranged on testing stand support bottom；Confined pressure charger is by supplying
Press pump, high-pressure rubber pipe, confession press pump tap changer, blocking section Pressure gauge, boring confined pressure loaded ring composition, pass through high pressure for press pump
Sebific duct is connected to hole on confined pressure loaded ring, and confined pressure loaded ring is arranged between casing and slag tapping box and is arranged on testing stand support
On, for installing successively on the high-pressure rubber pipe that press pump is drawn for press pump tap changer, blocking section Pressure gauge.
2. simulate a test method for boring blocking section dredging pilot system, use a kind of simulation boring as claimed in claim 1
Blocking section dredging pilot system, it is characterised in that: comprise the following steps:
1. in the boring confined pressure loaded ring boring blocking section made being arranged on boring test platform；
Apply pressure 2. to boring blocking section, start for press pump, observed pressure table, adjust pressure to test setting value；
3. high-speed camera instrument is set up at boring blocking section end, the motion feature when observational record boring blocking section dredging；
4. connect air supply device, start air compressor, be gradually increased pressure, force value during record boring blocking section dredging.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510174700.7A CN104792968B (en) | 2015-04-14 | 2015-04-14 | A kind of simulation boring blocking section dredging pilot system and test method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510174700.7A CN104792968B (en) | 2015-04-14 | 2015-04-14 | A kind of simulation boring blocking section dredging pilot system and test method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104792968A CN104792968A (en) | 2015-07-22 |
| CN104792968B true CN104792968B (en) | 2016-08-24 |
Family
ID=53557946
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510174700.7A Expired - Fee Related CN104792968B (en) | 2015-04-14 | 2015-04-14 | A kind of simulation boring blocking section dredging pilot system and test method thereof |
Country Status (1)
| Country | Link |
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| CN (1) | CN104792968B (en) |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4739855B2 (en) * | 2005-08-10 | 2011-08-03 | 関西電力株式会社 | Carbon dioxide gas penetration monitoring method |
| CN102297831B (en) * | 2011-05-23 | 2013-04-03 | 山东科技大学 | Test device and method for rapid gas logging of permeability of coal seam |
| CN102680187B (en) * | 2012-05-25 | 2014-11-05 | 中国矿业大学 | Method and equipment for checking sealing quality of gas extraction drilled holes |
| CN103065538B (en) * | 2012-12-21 | 2014-12-03 | 中国石油大学(北京) | Indoor drilling accident and well control technology simulation test device |
| CN103742129B (en) * | 2013-12-30 | 2016-06-22 | 中国矿业大学 | The method of weak seam measuring gas pressure of coal bed by drilling hole |
| CN203772574U (en) * | 2014-03-03 | 2014-08-13 | 河南理工大学 | Borehole negative pressure deslagging coal seam fixed-point sampling experiment system |
| CN103983754B (en) * | 2014-05-23 | 2015-09-02 | 天津大学 | The test unit of rock drilling simulation and determine the method for check bar pressure and moment of torsion |
| CN104330835A (en) * | 2014-10-30 | 2015-02-04 | 河南理工大学 | Testing system for coal containing methane hybrid dynamic disaster working surface in predicting laboratory |
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| Publication number | Publication date |
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| CN104792968A (en) | 2015-07-22 |
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Granted publication date: 20160824 Termination date: 20200414 |