CN106289716A - A kind of gas-lift reverses circulation pneumatic conveying experiment device - Google Patents
A kind of gas-lift reverses circulation pneumatic conveying experiment device Download PDFInfo
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- CN106289716A CN106289716A CN201610660122.2A CN201610660122A CN106289716A CN 106289716 A CN106289716 A CN 106289716A CN 201610660122 A CN201610660122 A CN 201610660122A CN 106289716 A CN106289716 A CN 106289716A
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- gas
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- pneumatic conveying
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M9/00—Aerodynamic testing; Arrangements in or on wind tunnels
- G01M9/08—Aerodynamic models
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- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
A kind of gas-lift reverses circulation pneumatic conveying experiment device, this assay device is made up of feeding device, conveyance conduit, dust arrester, power source and measurement apparatus.Described feeding device uses and closes wind loader, including feed bin and conveying worm;Described conveyance conduit is PVC transparent hard lucite conveying pipe, and pipeline has two kinds of specifications of internal diameter 94mm and 64mm, and pipeline uses Flange joint;Described power source is made up of air compressor and roots blower.Described data measurement unit is made up of gas turbine meter and numeral wind speed and pressure air measuring instrument.The present invention can carry out the simulation of strength chip removal during gas-lift reverses circulation, can accurately complete the process of pneumatic transmission of drilling cuttings during gas-lift reverses circulation, obtains air conveying wind speed, blast, air quantity;Conveyance conduit transparency is high, can clearly observe or observe by high-speed camera the conveying situation of drilling cuttings, thus judge motion conditions and the fluid type thereof of individual particle.
Description
Technical field
A kind of gas-lift reverses circulation strength chip removal assay device.
Background technology
The 19th-century later stage first using air as well-flushing media applications in the oil drilling of desert area, the most progressively
Expand to the every field such as geological core drilling, engineering drilling and hydrology and water well drilling, all have received preferable effect.But it is long
Since phase, air drilling technology is limited by the deficiency of performance of air compressor and the single of process so that this technology uses to be had
Limitation, the most only some in particular cases creep in engineering use.Along with the development of manufacturing technology, performance is high, volume
Air compressor machine little, easy to use is manufactured, and has greatly promoted innovation and the progress of air drilling technology so that it is had fast
The development of speed.We are referred to as multi-technological air agent drilling technology this novel drilling process method, and development in recent years is the most
Include Air culture technology, Drilling Technology of Airdriven DTH Hammer and gas-lift reverses circulation technology etc. rapidly.Wherein, gaslift
Reverse circulation drilling technology has the superiority of its uniqueness.Gas-lift reverses circulation technology is the drilling technology of a kind of advanced person, has
Drilling efficiency height, bit life length, the measured advantage of Cheng Jingzhi, especially creep into safe and reliable in bad ground, and can realize
Continuous coring (sample) creeps into, reduces non-cutting time and reduce labor intensity, it has also become creep into well, geothermal well, coal seam both at home and abroad
One of the main technique methods in gas well, drawing-off gas well and Large Diameter Engineering construction hole.The most external this skill the most widely used
Art, and develop the most perfect, each standard specifications having oneself by oneself and series.The applied research work of China also achieves prominent
The progress of broken property, field and scope constantly expand.Drilling cuttings is ickings migration resistance sedimentary pile big, easy present in the course of conveying
Manufacture into the problems such as plug-hole, drilling depth be shallow, but the air conveying complexity of drilling cuttings to make these Resolving probiems get up the most difficult.
Summary of the invention
Summary of the invention: it is an object of the invention to overcome the shortcoming of existing assay device function singleness, provides a kind of structure letter
Single, it is convenient to observe, and is applicable to simulate the pneumatic conveying experiment device of multiple mode of movement.
Technology illustrates: a kind of gas-lift reverses circulation pneumatic conveying experiment device, and this assay device is made up of four parts, by
Feeding device, conveyance conduit, dust arrester, power source and measurement apparatus composition.Described feeding device uses and closes wind loader,
Including feed bin and conveying worm, feed bin bottom is connected with conveying worm, and material enters conveyance conduit by conveying worm,
Described conveyance conduit is PVC transparent hard lucite conveying pipe, and pipeline has two kinds of specifications of internal diameter 94mm and 64mm, 94mm mould
Intending borehole wall, 64mm simulates drill pipe bore, and pipeline uses Flange joint, and Pipe installing has threeway and ball valve so that UNICOM is extraneous
Air;With material recycling device, internal diameter 64mm i.e. expects that edema caused by disorder of QI is connected from pulse dust collector with described dedusting, carry out dedusting and thing
Material reclaims;Described power source is made up of air compressor and roots blower;Wherein air compressor provides malleation and plays QI invigorating
Effect, is connected in the middle part of pipeline with the outer tube of internal diameter 94mm;Roots blower provides negative pressure, is connected to expect that edema caused by disorder of QI is from pulse dust collector
On.Described data measurement unit is made up of gas turbine meter and numeral wind speed and pressure air measuring instrument, gas-turbine stream
Gauge is between air compressor and outer tube;The measurement point of numeral wind speed and pressure air measuring instrument is positioned in inner tube near material gas
The part of discrete pulse cleaner unit, measure some punching, use numeral wind speed and pressure air measuring instrument insert leather hose carry out wind speed,
Blast, the measurement of air quantity.
Described air compressor machine (8) uses piston type, rated discharge amount 1.35, rated discharge pressure 0.8;Described Roots's drum
Blower fan (10) boosting scope 19.6~98, inlet flow rate 5.57~8.56, should be noted that in pumped (conveying) medium, granulometric impurity content is not
Must be more than 100;The bus angle 37.5 ° of the cone bucket of described feed bin (1) lower section;The frequency conversion of described conveying worm (2) is adjusted
Joint can realize the ratio of material in the control to conveying capacity, and then regulation conveying dilute phase;Described feed bin (1) capacity 500L, can
There is provided the conveying capacity no less than 20 minutes and feed bin lower end inlet size adjustable;Described PVC transparent hard glass conveying pipe
Using Flange joint, Pipe installing has threeway and ball valve (5) so that UNICOM's ambient atmosphere.Outer tube (6) internal diameter 94mm, inner tube (7)
Internal diameter 64mm, two pipes are co-axially mounted;Described conveyance conduit horizontal positioned, bottom bracing frame (4) supports;Described material edema caused by disorder of QI
Being separated with air by material particles from pulse dust collector (10), air is discharged via roots blower (11), and material particles is stored in
In cleaner unit storage bin, material recycle, by butterfly valve control, can be recycled by lower end;Described material edema caused by disorder of QI is from pulse dust collector (10)
The bus angle of lower section cone bucket is 22.5 °;Described gas-turbine air volume meter is arranged on conveyance conduit outer tube and air compressor
Between.
Beneficial effect: assay device accurately reflects reality, as an assay device, it is possible to reflect reality accurately
Situation is the embodiment of its Maximum Value.Fluid form change air conveying in whole course of conveying can be observed clearly;Can
To simulate multiple transporting pattern, it is beneficial to save test period;Have dedusting and retracting device, both material recycle recycling was saved
Cost, also reduces the discharge of particulate matter simultaneously, protects the healthy of experimental situation and experimenter.
Accompanying drawing illustrates:
Fig. 1 is the main structure figure of the present invention;
In figure: 1-feed bin, 2-conveying worm, 3-outer layer transparent tube end, 4-bracing frame, 5-threeway and end cap, 6-PVC
Clear hard lucite conveying outer tube, 7-PVC clear hard lucite conveying inner tube, 8-gas turbine meter, 9-is empty
Air compressor, 10-material edema caused by disorder of QI is from pulse dust collector, 11-roots blower.
Detailed description of the invention:
The invention will be further described for embodiment in below in conjunction with the accompanying drawings:
A kind of gas-lift reverses circulation pneumatic conveying experiment device, it includes feed bin (1), and conveying worm (2), PVC is saturating
Bright hard lucite conveying outer tube (6) and inner tube (7), gas turbine meter (8), expect edema caused by disorder of QI from pulse dust collector (10),
Air compressor (9), roots blower (11), material is direct plungeed in feed bin, feed bin lower end inlet size is adjustable, by right
The variable frequency adjustment of conveying worm can realize the control to conveying capacity and realize conveying continuously.PVC transparent hard lucite is defeated
Sending pipe outer tube (6) internal diameter 94mm, inner tube (7) internal diameter 64mm, pipeline uses Flange joint, and Pipe installing has threeway and ball valve (5)
So as UNICOM's ambient atmosphere.Outer tube (6) and air compressor (9) junction are provided with gas turbine meter for surveying air quantity,
Material is entered by inner tube (7);Expect edema caused by disorder of QI wind speed in pulse dust collector (10), inner tube (7), blast, air quantity numeral wind
Speed air pressure air flow measuring instrument measures.Material edema caused by disorder of QI from pulse dust collector (10), material particles is separated with air, air via
Roots blower (11) is discharged, and material particles is stored in cleaner unit storage bin, and lower end, can be the most sharp by material recycle by butterfly valve control
With.
Claims (10)
1. a gas-lift reverses circulation pneumatic conveying experiment device, it includes feed bin (1), conveying worm (2), PVC transparent
Hard lucite conveying outer tube (6) and inner tube (7), gas turbine meter (8), material edema caused by disorder of QI is from pulse dust collector (10), empty
Air compressor (9), roots blower (11), material is direct plungeed in feed bin, feed bin lower end inlet size is adjustable, by spiral shell
The variable frequency adjustment of rotation conveyer can realize the control to conveying capacity and realize conveying continuously;PVC transparent hard lucite carries
Pipe outer tube (6) internal diameter 94mm, inner tube (7) internal diameter 64mm, pipeline use Flange joint, Pipe installing have threeway and ball valve (5) with
Just UNICOM's ambient atmosphere;Outer tube 6 and air compressor (9) junction are provided with gas turbine meter for surveying air quantity, material
Entered by inner tube 7;Expect edema caused by disorder of QI wind speed in pulse dust collector (10), inner tube (7), blast, air quantity numeral wind speed and pressure
Air measuring instrument measures;Material particles is separated with air by material edema caused by disorder of QI from pulse dust collector (10), and air is via Roots's wind
Machine (11) is discharged, and material particles is stored in cleaner unit storage bin, and material recycle, by butterfly valve control, can be recycled by lower end.
2., according to the gas-lift reverses circulation pneumatic conveying experiment device in claim 1, it is characterized in that described air compressor machine (8)
Use piston type, rated discharge amount 1.35, rated discharge pressure 0.8.
3., according to the gas-lift reverses circulation pneumatic conveying experiment device in claim 1, it is characterized in that described Roots blower
Machine (10) boosting scope 19.6~98, inlet flow rate 5.57~8.56, should be noted that in pumped (conveying) medium, granulometric impurity content must not
More than 100.
4., according to the gas-lift reverses circulation pneumatic conveying experiment device in claim 1, it is characterized in that under described feed bin (1)
The bus angle 37.5 ° of the cone bucket of side.
5., according to the gas-lift reverses circulation pneumatic conveying experiment device in claim 1, it is characterized in that described helical feed
The variable frequency adjustment of machine (2) can realize the ratio of material in the control to conveying capacity, and then regulation conveying dilute phase.
6., according to the pneumatic conveying experiment device in claim 1, it is characterized in that described feed bin (1) capacity 500L, it is possible to provide
Conveying capacity and feed bin lower end inlet size no less than 20 minutes are adjustable.
7., according to the gas-lift reverses circulation pneumatic conveying experiment device in claim 1, it is characterized in that described PVC transparent is hard
Matter glass delivery tube uses Flange joint, and Pipe installing has threeway and ball valve (5) so that UNICOM's ambient atmosphere;Outer tube (6) internal diameter
94mm, inner tube 7 internal diameter 64mm, two pipes are co-axially mounted.
8., according to the gas-lift reverses circulation pneumatic conveying experiment device in claim 1, it is characterized in that described conveyance conduit
Horizontal positioned, bottom bracing frame (4) supports.
9. according to the gas-lift reverses circulation pneumatic conveying experiment device in claim 1, it is characterized in that described material edema caused by disorder of QI from
Material particles is separated by pulse dust collector (10) with air, and air is discharged via roots blower (11), and material particles is stored in and removes
In dirt device storage bin, material recycle, by butterfly valve control, can be recycled by lower end;Described material edema caused by disorder of QI is under pulse dust collector (10)
The bus angle of side's cone bucket is 22.5 °.
10., according to the gas-lift reverses circulation pneumatic conveying experiment device in claim 1, it is characterized in that described gas-turbine
Air volume meter (8) is arranged between conveyance conduit outer tube and air compressor.
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CN201610660122.2A CN106289716A (en) | 2016-08-12 | 2016-08-12 | A kind of gas-lift reverses circulation pneumatic conveying experiment device |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109178878A (en) * | 2018-08-05 | 2019-01-11 | 太原理工大学 | A kind of coal bulk cargo circulation transport experiment system |
CN111071801A (en) * | 2020-02-24 | 2020-04-28 | 河南理工大学 | Pneumatic conveying device for coal dust in hydraulic chip removal drilling of coal mine |
CN112693901A (en) * | 2020-12-25 | 2021-04-23 | 哈尔滨工业大学 | Mars drilling cutting pneumatic conveying system and working method thereof |
Citations (5)
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JPH0452542A (en) * | 1990-06-20 | 1992-02-20 | Mitsubishi Electric Corp | Apparatus for wind tunnel test |
CN103352718A (en) * | 2013-07-29 | 2013-10-16 | 河南理工大学 | Fully-sealed wind power slagging gas-drainage deep well drilling system and method |
CN103790546A (en) * | 2014-02-14 | 2014-05-14 | 河南理工大学 | Gas pre-pumping drilled hole coal dust backfill sealing method |
CN103926105A (en) * | 2014-03-03 | 2014-07-16 | 河南理工大学 | Drilling negative-pressure slagging coal seam spot sampling experimental system |
CN104792489A (en) * | 2015-04-14 | 2015-07-22 | 河南理工大学 | Coal-drilling simulated visual-drilling and deslagging testing system and testing method thereof |
-
2016
- 2016-08-12 CN CN201610660122.2A patent/CN106289716A/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0452542A (en) * | 1990-06-20 | 1992-02-20 | Mitsubishi Electric Corp | Apparatus for wind tunnel test |
CN103352718A (en) * | 2013-07-29 | 2013-10-16 | 河南理工大学 | Fully-sealed wind power slagging gas-drainage deep well drilling system and method |
CN103790546A (en) * | 2014-02-14 | 2014-05-14 | 河南理工大学 | Gas pre-pumping drilled hole coal dust backfill sealing method |
CN103926105A (en) * | 2014-03-03 | 2014-07-16 | 河南理工大学 | Drilling negative-pressure slagging coal seam spot sampling experimental system |
CN104792489A (en) * | 2015-04-14 | 2015-07-22 | 河南理工大学 | Coal-drilling simulated visual-drilling and deslagging testing system and testing method thereof |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109178878A (en) * | 2018-08-05 | 2019-01-11 | 太原理工大学 | A kind of coal bulk cargo circulation transport experiment system |
CN109178878B (en) * | 2018-08-05 | 2020-04-17 | 太原理工大学 | Bulk coal circulation transfer experiment system |
CN111071801A (en) * | 2020-02-24 | 2020-04-28 | 河南理工大学 | Pneumatic conveying device for coal dust in hydraulic chip removal drilling of coal mine |
CN112693901A (en) * | 2020-12-25 | 2021-04-23 | 哈尔滨工业大学 | Mars drilling cutting pneumatic conveying system and working method thereof |
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