CN203379874U - Fluidizing device for high-speed long-distance landslide wrap air fluidization research - Google Patents
Fluidizing device for high-speed long-distance landslide wrap air fluidization research Download PDFInfo
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- CN203379874U CN203379874U CN201320491644.6U CN201320491644U CN203379874U CN 203379874 U CN203379874 U CN 203379874U CN 201320491644 U CN201320491644 U CN 201320491644U CN 203379874 U CN203379874 U CN 203379874U
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Abstract
The utility model discloses a fluidizing device for the high-speed long-distance landslide wrap air fluidization research, aiming at realizing the quantitative research of the fluidization characteristics of clastic particles at different parts. The fluidizing device comprises a fan and a fluidized bed, wherein an air chamber is arranged under the fluidized bed; an air distribution plate is arranged between the air chamber and the fluidized bed; the air distribution plate is provided with a plurality of air holes; the fan is connected with the air chamber by an air conveying pipe; the lower end of the fluidized bed is provided with a plurality of pressure measuring devices. The plurality of pressure measuring devices are arranged at the lower end of the fluidized bed, and bed pressure drop in the clastic particles at the different sections can be obtained, so that the average concentration of the particles in the corresponding sections can be obtained by applying the differential pressure of the adjacent two pressure measurement points, the influence of airflow on the clastic particles at the different heights can be analyzed quantitatively, and the quantitative research of the fluidization characteristics of clastic particles at different parts can be realized; therefore, important physical and mechanics parameters are provided for the further research of the high-speed long-distance landslide dynamic characteristics, and the fluidizing device is suitable for being popularized and applied in the field of test equipment.
Description
Technical field
The utility model relates to the testing equipment field, is specifically related to a kind of fluidizer of wrapping up in air-flow research for the high-speed remote landslide.
Background technology
Fluidizer, as a kind of visual plant, is widely applied in the fields such as Chemical Manufacture, Coal Gasification and burning, ore dressing, food processing, refuse processing, has fabulous industrial prospect.And the important means of fluid bed test conduct research solid particle fluidization characteristic under the gas effect, its achievement in research has instructed the reasonability application of fluidizer in above-mentioned field well, for society has brought huge economic benefit.Yet, in the research of air-flow characteristic is wrapped up on the high-speed remote landslide, particularity due to its motion detrital material composition, the fluid bed research technique is applied to the high-speed remote landslide with failing so far and wraps up in the research of air-flow characteristic, unique referential be the 1980s, foreign scholar C.J.N.Wilson studies the achievement (Wilson, 1980) of volcano-chip stream internal high temperature gases at high pressure on the impact of tephre kinetic characteristic with similar device.The source that is different from high temperature and high pressure gas in pyroclastic flow, in the motion process of high-speed remote landslide, internal high pressure gas is mainly derived from high-speed motion gliding mass entraining into the place ahead Compressed Gas, thereby the gliding mass that causes high-speed motion produces the fluidisation phenomenon under the effect that entrains into gas, form a series of fluidizations and pile up landforms.In recent years, especially after Wenchuan earthquake in 2008, a large amount of high-speed remotes landslide example has occurred both at home and abroad in succession, the research on high-speed remote landslide is pushed to a new high again, and the effect that entrains into air-flow in the motion process of the visible high-speed remote of the site inspection of a large amount of landslides example landslide is a very important important factor in order, its motion on the high-speed remote landslide has very big impact.Mostly existing fluidizer is to design for research fields such as chemical industry because of it, can not realize the Quantitative study of different parts detrital grain fluidization characteristic, can't provide the important physical mechanics parameter for the come down further research of dynamics of high-speed remote.
The utility model content
Technical problem to be solved in the utility model be to provide a kind of can realize different parts detrital grain fluidization characteristic Quantitative study wrap up in the fluidizer of air-flow research for high-speed remote landslide.
The utility model solves the problems of the technologies described above adopted technical scheme: should wrap up in for the high-speed remote landslide fluidizer of air-flow research, comprise blower fan, fluid bed, the fluid bed below is provided with air chamber, be provided with air distribution plate between described air chamber and fluid bed, be provided with a plurality of pores on described air distribution plate, described blower fan is connected by wind conveying pipe with air chamber, and the lower end of described fluid bed is provided with a plurality of pressure testers.
Further, described pressure tester is U-shaped pressure-measuring pipe.
Further, adopting interior diameter is that 170mm, the wall thickness tube structure that is 5mm, high 300mm is as fluid bed.
Further, the percent opening of described air distribution plate is 6.15%, and the pore on air distribution plate is arranged in the equilateral triangle mode, and the center superposition of the center of air distribution plate and equilateral triangle.
Further, described hole diameter is 1.5mm, and the distance between the adjacent two pore centers of circle is 6mm.
Further, the air inlet of described air chamber is arranged on the middle part of gas chamber sidewall.
Further, be provided with spinner flowmeter on described wind conveying pipe.
Further, be provided with hush pipe on described blower fan.
Further, described blower fan adopts 2EB1320-7HA31 single-phase high voltage blower fan.
The beneficial effects of the utility model: a plurality of pressure testers are set by the lower end at fluid bed, can obtain the bed pressure drop of detrital grain inside on different sections, thereby use the pressure reduction between adjacent two pressure taps, ask for the endocorpuscular mean concentration of respective section, come detrital grain on the quantitative analysis differing heights to be subject to the impact of air-flow, realize the Quantitative study of different parts detrital grain fluidization characteristic, for the further research of high-speed remote landslide dynamics provides the important physical mechanics parameter, there is potential huge motive force for further grasp high-speed remote landslide kinetics mechanism.
The accompanying drawing explanation
Fig. 1 is that the utility model is wrapped up in the structural representation of the fluidizer of air-flow research for the high-speed remote landslide;
Fig. 2 is the planar structure schematic diagram of the utility model air distribution plate;
Description of reference numerals: blower fan 1, fluid bed 2, air chamber 3, air distribution plate 4, pore 5, wind conveying pipe 6, pressure tester 7, spinner flowmeter 8.
The specific embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present utility model is further described.
As shown in Figure 1, 2, should wrap up in for the high-speed remote landslide fluidizer of air-flow research, comprise blower fan 1, fluid bed 2, fluid bed 2 belows are provided with air chamber 3, be provided with air distribution plate 4 between described air chamber 3 and fluid bed 2, be provided with a plurality of pores 5 on described air distribution plate 4, described blower fan 1 is connected by wind conveying pipe 6 with air chamber 3, and the lower end of described fluid bed 2 is provided with a plurality of pressure testers 7.Should wrap up in the course of work of fluidizer of air-flow research for high-speed remote landslide as follows: at first, the testpieces that needs are tested is put into fluid bed 2, then start blower fan 1, the air-flow of high pressure enters air chamber 3 along wind conveying pipe 6, then through air distribution plate 4 after-blow, enters that fluid bed 2 is interior carries out the fluidisation test to testpieces.In whole process of the test, by the lower end at fluid bed 2, a plurality of pressure testers 7 are set, can obtain the bed pressure drop of detrital grain inside on different sections, thereby use the pressure reduction between adjacent two pressure taps, ask for the endocorpuscular mean concentration of respective section, come detrital grain on the quantitative analysis differing heights to be subject to the impact of air-flow, realize the Quantitative study of different parts detrital grain fluidization characteristic, for the further research of high-speed remote landslide dynamics provides the important physical mechanics parameter, there is potential huge motive force for further grasp high-speed remote landslide kinetics mechanism.
In the above-described embodiment, described pressure tester 7 can adopt existing pressure instrumentataion, as preferred mode, is: described pressure tester 7 is U-shaped pressure-measuring pipe, and U-shaped pressure-measuring pipe is simple to operate, and the measurement result accuracy is high, and cost is lower.
The structure of described fluid bed 2 can be determined according to actual test situation and condition, generally, meeting on the basis of dimensional effect, use the empirical equations such as fluid bed 2 critical fludization velocities, bed pressure drop, under different talus accumulation thickness, make the required wind supply quantity of particle generation fluidisation, bed overall presure drop, pipeline stagnation pressure degradation carry out theoretical calculating, and take result of calculation as reference, it is final that to select to adopt interior diameter be that 170mm, the wall thickness tube structure that is 5mm, high 300mm is as fluid bed 2.
In order to simulate the air-flow characteristics of wrapping up on high-speed remote landslide, the percent opening of described air distribution plate 4 is 6.15%, and the pore 5 on air distribution plate 4 is arranged in the equilateral triangle mode, and the center superposition of the center of air distribution plate 4 and equilateral triangle.Further, described pore 5 diameters are 1.5mm, and the distance between adjacent two pore 5 centers of circle is 6mm.
In addition, the air inlet of air chamber 3 is arranged on to the middle part of air chamber 3 sidewalls, when air-flow after air inlet enters air chamber 3, its flow direction is parallel with air distribution plate 4, thereby avoided air-flow directly to rush at air distribution plate 4 when air chamber 3 bottoms enter, and cause the inhomogeneous phenomenon of the interior air-flow distributed pole of fluid bed 2, played the effect of buffer gas flow; And the air inlet of air chamber 3 is located to the centre position of air chamber 3 sides, with be located at lower end, side or upper end and compare, controlled to a certain extent the current density difference of the nearly air inlet side of air chamber 3 with air inlet side far away, make the inhomogeneities of fluid bed 2 bottom air-flows control within the specific limits, with air-flow skewness characteristics in the motion process of simulation high-speed remote landslide.
For the ease of observing the chip laws of motion, be provided with spinner flowmeter 8 on described wind conveying pipe 6, field investigation situation in conjunction with high-speed remote landslide example is known, the air-flow motion process is wrapped up on the high-speed remote landslide should belong to fixed bed stage or initial fluidisation stage, therefore obtaining the internal drop of low-flow amount lower bed layer is very necessary with the situation of change of air demand, and calculate by theory the maximum wind supply quantity that the sample of knowing required test enters fluidized state, be about 120m
3/ h, the preferred LZB-25(measurement category 1.6-16m of described spinner flowmeter 8
3/ h) and LZB-50(16-160m
3/ h) spinner flowmeter 8 of two different measuring scope, thus realize that flow increases to 120m from zero
3in/h change procedure.
For fear of the interference of blower fan 1 noise, guarantee the peace and quiet of working environment, the air outlet place of described blower fan 1 is provided with hush pipe.
In addition, because friction, interlocking between testpieces accumulation body internal particle are stronger, the accumulation body resistance to overturning is better, the required voltage drop value of fluidisation is higher, therefore, in the situation that meet the air quantity requirement, the available maximum pressure drop of blower fan 1 is the important references that blower fan 1 is selected in this test, so, described blower fan 1 is preferably 2EB1320-7HA31 single-phase high voltage blower fan 1,2EB1320-7HA31 single-phase high voltage blower fan 1, and power output is 1.1kW, it is 28kPa that maximum pressure can be provided, and has met in this experiment the consideration higher to pressure drop.
Claims (9)
1. wrap up in the fluidizer of air-flow research for the high-speed remote landslide, comprise blower fan (1), fluid bed (2), fluid bed (2) below is provided with air chamber (3), be provided with air distribution plate (4) between described air chamber (3) and fluid bed (2), be provided with a plurality of pores (5) on described air distribution plate (4), described blower fan (1) is connected by wind conveying pipe (6) with air chamber (3), it is characterized in that: the lower end of described fluid bed (2) is provided with a plurality of pressure testers (7).
2. the fluidizer of wrapping up in air-flow research for high-speed remote landslide as claimed in claim 1, it is characterized in that: described pressure tester (7) is U-shaped pressure-measuring pipe.
3. the fluidizer of wrapping up in air-flow research for high-speed remote landslide as claimed in claim 2 is characterized in that: the employing interior diameter is that 170mm, the wall thickness tube structure that is 5mm, high 300mm is as fluid bed (2).
4. according to the described fluidizer of wrapping up in air-flow research for the high-speed remote landslide of any one claim in claims 1 to 3, it is characterized in that: the percent opening of described air distribution plate (4) is 6.15%, pore (5) on air distribution plate (4) is arranged in the equilateral triangle mode, and the center of air distribution plate (4) and the center superposition of equilateral triangle.
5. the fluidizer of wrapping up in air-flow research for high-speed remote landslide as claimed in claim 4, it is characterized in that: described pore (5) diameter is 1.5mm, the distance between adjacent two pores (5) center of circle is 6mm.
6. the fluidizer of wrapping up in air-flow research for high-speed remote landslide as claimed in claim 5, it is characterized in that: the air inlet of described air chamber (3) is arranged on the middle part of air chamber (3) sidewall.
7. the fluidizer of wrapping up in air-flow research for the high-speed remote landslide as claimed in claim 6, is characterized in that: be provided with spinner flowmeter (8) on described wind conveying pipe (6).
8. the fluidizer of wrapping up in air-flow research for high-speed remote landslide as claimed in claim 7, it is characterized in that: described blower fan is provided with hush pipe on (1).
9. the fluidizer of wrapping up in air-flow research for the high-speed remote landslide as claimed in claim 8, is characterized in that: described blower fan (1) employing 2EB1320-7HA31 single-phase high voltage blower fan (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320491644.6U CN203379874U (en) | 2013-08-13 | 2013-08-13 | Fluidizing device for high-speed long-distance landslide wrap air fluidization research |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320491644.6U CN203379874U (en) | 2013-08-13 | 2013-08-13 | Fluidizing device for high-speed long-distance landslide wrap air fluidization research |
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| CN203379874U true CN203379874U (en) | 2014-01-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201320491644.6U Expired - Fee Related CN203379874U (en) | 2013-08-13 | 2013-08-13 | Fluidizing device for high-speed long-distance landslide wrap air fluidization research |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108956945A (en) * | 2018-06-22 | 2018-12-07 | 西南交通大学 | A kind of talus accumulation fluid-structure analysis testing equipment |
-
2013
- 2013-08-13 CN CN201320491644.6U patent/CN203379874U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108956945A (en) * | 2018-06-22 | 2018-12-07 | 西南交通大学 | A kind of talus accumulation fluid-structure analysis testing equipment |
| CN108956945B (en) * | 2018-06-22 | 2023-06-27 | 西南交通大学 | Chip stack structure analysis test equipment |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140108 Termination date: 20140813 |
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| EXPY | Termination of patent right or utility model |