CN103308276B - High pressure powder feeder unit - Google Patents
High pressure powder feeder unit Download PDFInfo
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- CN103308276B CN103308276B CN201310239665.3A CN201310239665A CN103308276B CN 103308276 B CN103308276 B CN 103308276B CN 201310239665 A CN201310239665 A CN 201310239665A CN 103308276 B CN103308276 B CN 103308276B
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- bypass
- storage bin
- main road
- admission line
- main
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- Air Transport Of Granular Materials (AREA)
Abstract
The invention discloses a kind of high pressure powder feeder unit, comprise main line admission line, and main road storage bin and bypass storage bin, main line admission line is provided with main line stop valve and flowmeter, main road admission line and bypass admission line is divided into by main line admission line after flowmeter, be connected to main road storage bin and bypass storage bin respectively, main road admission line is provided with main road stop valve, bypass admission line is provided with bypass stop valve, main road storage bin is provided with charge door and main road discharging opening, bypass storage bin is provided with charge door and bypass discharging opening, main road discharging opening and bypass discharging opening merge into total discharging opening.The present invention is by the aperture of adjustment three stop valves, when just can accomplish to provide gas phase, solid phase, Dual-Phrase Distribution of Gas olid experiment the particle concentration that is suitable for, substantially increase authenticity and the correctness of experiment measuring, and the demand of middle high-pressure experiment during experiment, can be met, add the usable range of experimental pressure.
Description
Technical field
The present invention relates to a kind of high pressure powder feeder unit, belong to experimental simulation flow-field test field.
Background technology
Dual-Phrase Distribution of Gas olid is exactly the two-phase flow be made up of gas phase and solid phase.The experimental study of two-phase flow is the basic skills grasping two-phase flow rule.Current widespread use optical method (comprising light absorption, scattering, interference, refraction etc.), other radiation absorptions and scattering method, trace method, and electric capacity and conductance method etc. measure the important parameter in two-phase flow, as pressure, voidage, average film thickness, liquid-drop diameter, movement velocity etc.In the sense, the understanding more deep to two-phase flow rule, depends on the progress of experimental technique.
When Measurement, the trace particle concentration that it adds has a great impact the result measured, and especially gas phase trace particle is due to reasons such as particle diameter own are little, lightweight, and the particle concentration added is more wayward.Therefore, when gas-solid two-phase flow field or concentration field are measured in laboratory simulation, how being joined equably in flow field by two-phase trace particle, this becomes insoluble problem when testing.Especially during mesohigh experiment, gas phase trace particle is difficult to join equably to be treated in detection experiment apparatus, and seriously have impact on the carrying out of experiment and the conclusion of experiment, this brings many difficulties to being the people tested.
Summary of the invention
The technical issues that need to address of the present invention are just the defect overcoming prior art, and provide a kind of high pressure powder feeder unit, it can add particle equably when mesohigh is tested, and particle concentration is adjustable.
For solving the problem, the present invention adopts following technical scheme:
The invention provides a kind of high pressure powder feeder unit, described device comprises main line admission line, and main road storage bin and bypass storage bin, main line admission line is provided with main line stop valve and flowmeter, main road admission line and bypass admission line is divided into by main line admission line after flowmeter, be connected to main road storage bin and bypass storage bin respectively, main road admission line is provided with main road stop valve, bypass admission line is provided with bypass stop valve, main road storage bin is provided with charge door and main road discharging opening, bypass storage bin is provided with charge door and bypass discharging opening, main road discharging opening and bypass discharging opening merge into total discharging opening.
In the present invention, main road storage bin is identical with bypass storage bin structure, bottom in main road storage bin and bypass storage bin is respectively arranged with one deck stationary cloth aerofoil, one deck movable cloth aerofoil is provided with above stationary cloth aerofoil, be provided with a circle baffle plate above movable cloth aerofoil, stationary cloth aerofoil and movable cloth aerofoil evenly offer wind distributing hole respectively.
In equilateral triangle arrangement centered by the wind distributing hole of wind distributing hole on stationary cloth aerofoil on movable cloth aerofoil, in equilateral triangle arrangement centered by the wind distributing hole of wind distributing hole on movable cloth aerofoil on stationary cloth aerofoil, the wind distributing hole aperture on stationary cloth aerofoil is greater than the wind distributing hole aperture on movable cloth aerofoil; The non-opening area of movable cloth aerofoil just in time covers the position of opening of stationary cloth aerofoil.
The bottom of main road storage bin and bypass storage bin is respectively arranged with outer convex edge, is connected with flange base by outer convex edge.
When Measurement, the trace particle concentration that it adds has a great impact the result measured, especially gas phase trace particle is due to reasons such as particle diameter own are little, lightweight, the particle concentration added is more wayward, the present invention can address these problems effectively, measures while realizing solid phase, gas phase, Dual-Phrase Distribution of Gas olid quickly and easily.
The present invention is by the aperture of adjustment three stop valves, when just can accomplish to provide easily gas phase, solid phase, Dual-Phrase Distribution of Gas olid experiment the particle concentration that is suitable for, substantially increase authenticity and the correctness of experiment measuring, and the demand of middle high-pressure experiment during experiment, can be met, add the usable range of experimental pressure.
Specific works process is:
During gas phase (or solid phase) single-phase measurement, gas phase (or solid phase) trace particle joins in bypass storage bin, particle in main road storage bin is poured out, at this moment by regulating bypass stop valve, main line stop valve, main road stop valve to complete adding of gas phase (or solid phase) trace particle, because bypass stop valve can control the air mass flow through bypass storage bin, so just can control the concentration of added trace particle, and a part of incoming air is mainly shunted in the effect of main road storage bin on main road, ensure that total gas flow rate is constant.
When gas-particle two-phase is measured, gas phase trace particle is joined bypass storage bin, solid phase trace particle joins in main road storage bin, jointly being coordinated by bypass stop valve, main line stop valve, main road stop valve just can join in experimental provision appropriate two-phase trace particle, meets experiment measuring requirement.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is the cross-sectional view of main road storage bin of the present invention or bypass storage bin.
Fig. 3 is the wind distributing hole distribution plan of stationary cloth aerofoil of the present invention and movable cloth aerofoil.
In figure: 1. charge door; 2. bypass storage bin; 3. baffle plate; 4. movable cloth aerofoil; 5. stationary cloth aerofoil; 6. flange base; 7. bypass admission line; 8. bypass stop valve; 9. flowmeter; 10. main line stop valve; 11. main line admission lines; 12. main road stop valves; 13. main admission lines; 14. outer convex edges; 15. main road storage bins; 16. main road discharging openings; 17. total discharging openings; 18. bypass discharging openings; 19. stationary cloth aerofoil wind distributing holes; 20. movable cloth aerofoil wind distributing holes.
Embodiment
As Fig. 1, shown in Fig. 2, the invention provides a kind of high pressure powder feeder unit, described device comprises main line admission line 11, and main road storage bin 15 and bypass storage bin 2, main line admission line is provided with main line stop valve 10 and flowmeter 9, main road admission line 13 and bypass admission line 7 is divided into by main line admission line after flowmeter, be connected to main road storage bin and bypass storage bin respectively, main road admission line is provided with main road stop valve 12, bypass admission line is provided with bypass stop valve 8, main road storage bin is provided with charge door 1 and main road discharging opening 16, bypass storage bin is provided with charge door 1 and bypass discharging opening 18, main road discharging opening and bypass discharging opening merge into total discharging opening 17.
In the present invention, main road storage bin is identical with bypass storage bin structure, bottom in main road storage bin and bypass storage bin is respectively arranged with one deck stationary cloth aerofoil 5, one deck movable cloth aerofoil 4 is provided with above stationary cloth aerofoil, be provided with a circle baffle plate 3 above movable cloth aerofoil, stationary cloth aerofoil and movable cloth aerofoil evenly offer wind distributing hole respectively.
As shown in Figure 3, in equilateral triangle arrangement centered by the wind distributing hole 20 of wind distributing hole 19 on stationary cloth aerofoil on movable cloth aerofoil, in equilateral triangle arrangement centered by the wind distributing hole 19 of wind distributing hole 20 on movable cloth aerofoil on stationary cloth aerofoil, the wind distributing hole aperture on stationary cloth aerofoil is greater than the wind distributing hole aperture on movable cloth aerofoil.
As shown in Figure 2, the bottom of main road storage bin and bypass storage bin is respectively arranged with outer convex edge 14, is connected with flange base 6 by outer convex edge.
Particularly, the perforate of stationary cloth aerofoil and movable cloth aerofoil is arranged as positive triangle, and as shown in Figure 3, stationary cloth aerofoil aperture is larger than movable air distribution plate aperture.As shown in Figure 1, an annular fixed dam is had at storage bin inwall, movable cloth aerofoil is put in storage bin, put into stationary cloth aerofoil more fixing along the sealing of inwall surrounding, master, bypass admission line are fixed on flange base, with bolt, outer convex edge and flange base are tightly connected, then connect each road pipeline.The non-opening area of movable cloth aerofoil just in time covers the position of opening of stationary cloth aerofoil.Trace particle so just can be avoided to flow back in master, bypass admission line.Charging aperture place adopts and is threaded, and when trace particle is not enough, opens charging aperture, just can quickly and easily particle be joined in storage bin.Main road storage bin and bypass storage bin and all adopt straight carbon steel with the material of the outer convex edge of bolt hole, flange base, stationary cloth aerofoil, the material of movable cloth aerofoil adopts organic glass, and main admission line, bypass admission line and main road discharging opening, this part of material of bypass discharging opening are copper pipe.
The concentration that wherein gas-particle two-phase trace particle adds can coordinate adjustment by bypass stop valve, main line stop valve, main road stop valve jointly, bypass stop valve and main line stop valve mainly control the number flowing out particle in respective storage bin, and the flow that main line stop valve mainly carrys out guaranteed flow meter is constant.
Using method of the present invention:
During Measurement, open all stop valves, the air that compressor is sent here by main line admission line through main line stop valve, flowmeter, then air flow enters main admission line and bypass admission line respectively, because gas phase trace particle particle diameter is less than 5 microns usually, so very little flow just can join in experimental provision vapor particles, air is greatly made to enter into main admission line by regulating bypass stop valve and main road stop valve, enter bypass admission line on a small quantity, then air enters into the region between flange base and stationary cloth aerofoil, by the perforate of stationary cloth aerofoil, at this moment movable cloth aerofoil is blown afloat by incoming air, float to baffle plate place no longer on move, at this moment the particle in storage bin can be blown afloat generation and bubbling bed similar " bubble rolling ", partly the gas-particle two-phase trace particle of " rolling " is respectively by bypass discharging opening, main road discharging opening enters pipeline and converges in total discharge outlet and enter into experimental provision together.
When carrying out separately gas phase (or solid phase) and measuring, gas phase (or solid phase) trace particle is put in bypass storage bin, particle in main road storage bin is poured out by charging aperture, at this moment by regulating bypass stop valve, main line stop valve, main road stop valve completes adding of gas phase (or solid phase) trace particle, because bypass stop valve can control the air mass flow through bypass storage bin, so just can control the concentration of added trace particle, and a part of incoming air is mainly shunted in the effect of main road storage bin on main road, and ensure that total gas flow rate is constant.
Last it is noted that obviously, above-mentioned example is only for example of the present invention is clearly described, and the restriction not to embodiment.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without the need to also giving all embodiments.And thus the apparent change of amplifying out or variation be still among protection scope of the present invention.
Claims (4)
1. a high pressure powder feeder unit, described device comprises main line admission line and main road storage bin and bypass storage bin, main line admission line is provided with main line stop valve and flowmeter, main road storage bin is provided with charge door and main road discharging opening, bypass storage bin is provided with charge door and bypass discharging opening; It is characterized in that: be divided into main road admission line and bypass admission line by main line admission line after flowmeter, be connected to main road storage bin and bypass storage bin respectively, main road admission line is provided with main road stop valve, bypass admission line is provided with bypass stop valve; Main road discharging opening and bypass discharging opening merge into total discharging opening.
2. high pressure powder feeder unit as claimed in claim 1, it is characterized in that, main road storage bin is identical with bypass storage bin structure, bottom in main road storage bin and bypass storage bin is respectively arranged with one deck stationary cloth aerofoil, one deck movable cloth aerofoil is provided with above stationary cloth aerofoil, be provided with a circle baffle plate above movable cloth aerofoil, stationary cloth aerofoil and movable cloth aerofoil evenly offer wind distributing hole respectively.
3. high pressure powder feeder unit as claimed in claim 2, it is characterized in that, in equilateral triangle arrangement centered by the wind distributing hole of wind distributing hole on stationary cloth aerofoil on movable cloth aerofoil, in equilateral triangle arrangement centered by the wind distributing hole of wind distributing hole on movable cloth aerofoil on stationary cloth aerofoil, the wind distributing hole aperture on stationary cloth aerofoil is greater than the wind distributing hole aperture on movable cloth aerofoil; The non-opening area of movable cloth aerofoil just in time covers the position of opening of stationary cloth aerofoil.
4. high pressure powder feeder unit as claimed in claim 3, it is characterized in that, the bottom of main road storage bin and bypass storage bin is respectively arranged with outer convex edge, is connected with flange base by outer convex edge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310239665.3A CN103308276B (en) | 2013-06-17 | 2013-06-17 | High pressure powder feeder unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310239665.3A CN103308276B (en) | 2013-06-17 | 2013-06-17 | High pressure powder feeder unit |
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| Publication Number | Publication Date |
|---|---|
| CN103308276A CN103308276A (en) | 2013-09-18 |
| CN103308276B true CN103308276B (en) | 2015-08-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310239665.3A Expired - Fee Related CN103308276B (en) | 2013-06-17 | 2013-06-17 | High pressure powder feeder unit |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101082561A (en) * | 2007-07-03 | 2007-12-05 | 浙江大学 | Method for measuring solid particle three-dimensional concentration field and velocity field in gas/solid two-phase stream |
| CN101561449A (en) * | 2009-05-27 | 2009-10-21 | 内蒙古科技大学 | Anti-explosion powder supply device |
| CN201364234Y (en) * | 2009-03-11 | 2009-12-16 | 中国科学院工程热物理研究所 | Unrestraint outlet experiment table for flow characteristic of B-class granule gas-solid two-phase flow |
| CN202492151U (en) * | 2012-02-03 | 2012-10-17 | 济南大学 | Pneumatic conveying branch pipeline flow testing device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3408719B2 (en) * | 1997-05-30 | 2003-05-19 | 三菱重工業株式会社 | Particle supply device for flowing fluid for fluid visualization and flow measurement |
-
2013
- 2013-06-17 CN CN201310239665.3A patent/CN103308276B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101082561A (en) * | 2007-07-03 | 2007-12-05 | 浙江大学 | Method for measuring solid particle three-dimensional concentration field and velocity field in gas/solid two-phase stream |
| CN201364234Y (en) * | 2009-03-11 | 2009-12-16 | 中国科学院工程热物理研究所 | Unrestraint outlet experiment table for flow characteristic of B-class granule gas-solid two-phase flow |
| CN101561449A (en) * | 2009-05-27 | 2009-10-21 | 内蒙古科技大学 | Anti-explosion powder supply device |
| CN202492151U (en) * | 2012-02-03 | 2012-10-17 | 济南大学 | Pneumatic conveying branch pipeline flow testing device |
Non-Patent Citations (1)
| Title |
|---|
| 高密度气固两相流颗粒质量通量的自动测量方法;钱震等;《高校化学工程学报》;20040825;第18卷(第04期);第506-509页 * |
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| CN103308276A (en) | 2013-09-18 |
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Granted publication date: 20150826 Termination date: 20210617 |