CN103308276A - High-pressure powder supply device - Google Patents
High-pressure powder supply device Download PDFInfo
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- CN103308276A CN103308276A CN2013102396653A CN201310239665A CN103308276A CN 103308276 A CN103308276 A CN 103308276A CN 2013102396653 A CN2013102396653 A CN 2013102396653A CN 201310239665 A CN201310239665 A CN 201310239665A CN 103308276 A CN103308276 A CN 103308276A
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- distribution plate
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Abstract
The invention discloses a high-pressure powder supply device comprising a primary air inlet pipeline, a main storage silo and a branch storage silo. The primary air inlet pipeline is provided with a primary stop valve and a flow meter, and is divided into a main air inlet pipeline and a branch air inlet pipeline which are connected with the main storage silo and the branch storage silo respectively. A main stop valve is arranged on the main air inlet pipeline, and a branch stop valve is arranged on the branch air inlet pipeline. A feeding port and a main discharging port are formed on the main storage silo, and a feeding port and a branch discharging port are formed on the branch storage silo. The main discharging port and the branch discharging port are combined to form a total discharging port. Opening degree of the three stop valves can be adjusted to provide appropriate particle concentration required by vapor phase, solid phase and vapor-solid phase flow experiments, reality and accuracy of experiment measurement are improved greatly, the requirements of middle and high pressure experiments can be met, and using range of experiment pressure is expanded.
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 of being made up of gas phase and solid phase.The experimental study of two-phase flow is the basic skills of grasping the two-phase flow rule.Present widespread use optical method (comprising light absorption, scattering, interference, refraction etc.), other radiation absorption and scattering methods, trace method, and the important parameter in the mensuration two-phase flows such as electric capacity and conductance method are as pressure, voidage, average film thickness, liquid-drop diameter, movement velocity etc.Say in some sense, to the more deep understanding of two-phase flow rule, depend on the progress of experimental technique.
When Dual-Phrase Distribution of Gas olid was measured, the trace particle concentration of its adding had very big influence to the result who measures, and especially the gas phase trace particle is owing to reasons such as particle diameter own are little, in light weight, and the particle concentration of adding is more wayward.Therefore, when Dual-Phrase Distribution of Gas olid field or concentration field are measured in laboratory simulation, how the two-phase trace particle is joined in the flow field equably, this becomes insoluble problem when doing experiment.When especially mesohigh was tested, the gas phase trace particle is difficult to join equably to be treated in the detection experiment apparatus, had seriously influenced the carrying out of experiment and the conclusion of experiment, and this brings many difficulties for the people who does experiment.
Summary of the invention
The technical issues that need to address of the present invention just are to overcome the defective of prior art, and a kind of high pressure powder feeder unit is provided, and it can add particle equably when mesohigh is tested, and particle concentration is adjustable.
For addressing the above problem, the present invention adopts following technical scheme:
The invention provides a kind of high pressure powder feeder unit, described device comprises the main line admission line, and main road storage bin and bypass storage bin, the main line admission line is provided with main line stop valve and flowmeter, be divided into main road admission line and bypass admission line by main line admission line behind the flowmeter, be connected to main road storage bin and bypass storage bin respectively, the main road admission line is provided with the main road stop valve, the bypass admission line is provided with the bypass stop valve, the main road storage bin is provided with charge door and main road discharging opening, the bypass storage bin is provided with charge door and bypass discharging opening, and main road discharging opening and bypass discharging opening merge into total discharging opening.
Among the present invention, the main road storage bin is identical with bypass storage bin structure, bottom in main road storage bin and the bypass storage bin is respectively arranged with one deck stationary cloth aerofoil, stationary cloth aerofoil top is provided with the movable air distribution plate of one deck, movable air distribution plate top is provided with a circle baffle plate, evenly offers wind distributing hole on stationary cloth aerofoil and the movable air distribution plate respectively.
Wind distributing hole on the stationary cloth aerofoil is equilateral triangle and arranges centered by the wind distributing hole on the movable air distribution plate, wind distributing hole on the movable air distribution plate is equilateral triangle centered by the wind distributing hole on the stationary cloth aerofoil arranges, and the wind distributing hole aperture on the stationary cloth aerofoil is greater than the wind distributing hole aperture on the movable air distribution plate; The not opening area of movable air distribution plate 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 Dual-Phrase Distribution of Gas olid is measured, the trace particle concentration of its adding has very big influence to the result who measures, especially the gas phase trace particle is owing to reasons such as particle diameter own are little, in light weight, the particle concentration that adds is more wayward, the present invention can address these problems effectively, measures when realizing solid phase, gas phase, Dual-Phrase Distribution of Gas olid quickly and easily.
The present invention is by regulating the aperture of three stop valves, the particle concentration that is suited in the time of just can accomplishing gas phase, solid phase, Dual-Phrase Distribution of Gas olid experiment are provided easily, authenticity and the correctness of experiment measuring have been improved greatly, and experiment the time can satisfy the demand that middle and high compacting is tested, and increased the usable range of experimental pressure.
The concrete course of work is:
During the single-phase measurement of gas phase (or solid phase), gas phase (or solid phase) trace particle joins in the bypass storage bin, particle in the main road storage bin is poured out, at this moment finish the adding of gas phase (or solid phase) trace particle by adjusting bypass stop valve, main line stop valve, main road stop valve, because the bypass stop valve can be controlled the air mass flow through the bypass storage bin, so just can control the concentration of the trace particle that adds, and the effect of main road storage bin mainly is a part of incoming flow air of shunting on the main road, guarantees that total gas flow rate is constant.
When the gas-solid two-phase is measured, the gas phase trace particle is joined the bypass storage bin, the solid phase trace particle joins in the main road storage bin, by just can an amount of two-phase trace particle being joined in the experimental provision bypass stop valve, main line stop valve, the common cooperation of main road stop valve, satisfy the experiment measuring requirement.
Description of drawings
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 air distribution plate.
Among the figure: 1. charge door; 2. bypass storage bin; 3. baffle plate; 4. movable air distribution plate; 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 line; 12. main road stop valve; 13. main admission line; 14. outer convex edge; 15. main road storage bin; 16. main road discharging opening; 17. total discharging opening; 18. bypass discharging opening; 19. stationary cloth aerofoil wind distributing hole; 20. movable air distribution plate wind distributing hole.
Embodiment
As Fig. 1, shown in Figure 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, the main line admission line is provided with main line stop valve 10 and flowmeter 9, be divided into main road admission line 13 and bypass admission line 7 by main line admission line behind the flowmeter, be connected to main road storage bin and bypass storage bin respectively, the main road admission line is provided with main road stop valve 12, the bypass admission line is provided with bypass stop valve 8, the main road storage bin is provided with charge door 1 and main road discharging opening 16, the bypass storage bin is provided with charge door 1 and bypass discharging opening 18, and main road discharging opening and bypass discharging opening merge into total discharging opening 17.
Among the present invention, the main road storage bin is identical with bypass storage bin structure, bottom in main road storage bin and the bypass storage bin is respectively arranged with one deck stationary cloth aerofoil 5, stationary cloth aerofoil top is provided with the movable air distribution plate 4 of one deck, movable air distribution plate top is provided with a circle baffle plate 3, evenly offers wind distributing hole on stationary cloth aerofoil and the movable air distribution plate respectively.
As shown in Figure 3, wind distributing hole 19 on the stationary cloth aerofoil is equilateral triangle and arranges centered by the wind distributing hole 20 on the movable air distribution plate, wind distributing hole 20 on the movable air distribution plate is equilateral triangle centered by the wind distributing hole 19 on the stationary cloth aerofoil arranges, and the wind distributing hole aperture on the stationary cloth aerofoil is greater than the wind distributing hole aperture on the movable air distribution plate.
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 air distribution plate is arranged as positive triangle, and as shown in Figure 3, stationary cloth aerofoil aperture is bigger than movable air distribution plate aperture.As shown in Figure 1, at the storage bin inwall one annular fixed dam is arranged, movable air distribution plate is put in the storage bin, put into stationary cloth aerofoil sealing and fixing around the inwall again, to lead, the bypass admission line is fixed on the flange base, with bolt outer convex edge and flange base are tightly connected, connect each road pipeline then.The not opening area of movable air distribution plate just in time covers the position of opening of stationary cloth aerofoil.So just can avoid trace particle to flow back in master, the bypass admission line.The charging aperture place adopts and is threaded, and when trace particle is not enough, opens charging aperture, just can join particle in the storage bin quickly and easily.Main road storage bin and bypass storage bin and have outer convex edge, the flange base of bolt hole, the material of stationary cloth aerofoil all adopts straight carbon steel, the material of movable air distribution plate adopts organic glass, and main admission line, bypass admission line and main road discharging opening, this a part of material of bypass discharging opening are copper pipe.
The concentration that wherein gas-solid two-phase trace particle adds can be finished by bypass stop valve, main line stop valve, the common fit adjustment of main road stop valve, bypass stop valve and main line stop valve mainly are to control to flow out what of particle in the storage bin separately, and the main line stop valve guarantees that mainly the flow of flowmeter is constant.
Using method of the present invention:
When Dual-Phrase Distribution of Gas olid is measured; open all stop valves; the air that compressor is sent here by the main line admission line through the main line stop valve; flowmeter; the air shunting enters main admission line and bypass admission line respectively then; because gas phase trace particle particle diameter is usually less than 5 microns; so very little flow just can join vapor particles in the experimental provision; make a big chunk air enter into main admission line by regulating bypass stop valve and main road stop valve; enter the bypass admission line on a small quantity; air enters into the zone between flange base and the stationary cloth aerofoil then; by the perforate of stationary cloth aerofoil; at this moment movable air distribution plate is blown afloat by the incoming flow air; on float to the baffle plate place and move on no longer; at this moment the particle in storage bin can be blown afloat and be taken place and bubbling bed similar " bubble rolling ", and partly the gas-solid two-phase trace particle of " rolling " is respectively by the bypass discharging opening; the main road discharging opening enters pipeline and converges at total discharging opening place and enter into experimental provision together.
When carrying out gas phase (or solid phase) measurement separately, gas phase (or solid phase) trace particle is put in the bypass storage bin, particle in the main road storage bin is poured out by charging aperture, at this moment finish the adding of gas phase (or solid phase) trace particle by adjusting bypass stop valve, main line stop valve, main road stop valve, because the bypass stop valve can be controlled the air mass flow through the bypass storage bin, so just can control the concentration of the trace particle that adds, and the effect of main road storage bin mainly is a part of incoming flow air of shunting on the main road, and guarantees that total gas flow rate is constant.
It should be noted that at last: obviously, above-mentioned example only is for example of the present invention clearly is described, and is not the restriction 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 need not also can't give all embodiments exhaustive.And the apparent variation of being amplified out thus or change still are among protection scope of the present invention.
Claims (4)
1. high pressure powder feeder unit, it is characterized in that: described device comprises the main line admission line, and main road storage bin and bypass storage bin, the main line admission line is provided with main line stop valve and flowmeter, be divided into main road admission line and bypass admission line by main line admission line behind the flowmeter, be connected to main road storage bin and bypass storage bin respectively, the main road admission line is provided with the main road stop valve, the bypass admission line is provided with the bypass stop valve, the main road storage bin is provided with charge door and main road discharging opening, the bypass storage bin is provided with charge door and bypass discharging opening, and 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, the main road storage bin is identical with bypass storage bin structure, bottom in main road storage bin and the bypass storage bin is respectively arranged with one deck stationary cloth aerofoil, stationary cloth aerofoil top is provided with the movable air distribution plate of one deck, movable air distribution plate top is provided with a circle baffle plate, evenly offers wind distributing hole on stationary cloth aerofoil and the movable air distribution plate respectively.
3. high pressure powder feeder unit as claimed in claim 2, it is characterized in that, wind distributing hole on the stationary cloth aerofoil is equilateral triangle and arranges centered by the wind distributing hole on the movable air distribution plate, wind distributing hole on the movable air distribution plate is equilateral triangle centered by the wind distributing hole on the stationary cloth aerofoil arranges, and the wind distributing hole aperture on the stationary cloth aerofoil is greater than the wind distributing hole aperture on the movable air distribution plate; The not opening area of movable air distribution plate just in time covers the position of opening of stationary cloth aerofoil.
4. high pressure powder feeder unit as claimed in claim 3 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 |
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| CN103308276A true CN103308276A (en) | 2013-09-18 |
| CN103308276B 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 (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10332528A (en) * | 1997-05-30 | 1998-12-18 | Mitsubishi Heavy Ind Ltd | Unit for supplying particles into fluid |
| 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 |
-
2013
- 2013-06-17 CN CN201310239665.3A patent/CN103308276B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10332528A (en) * | 1997-05-30 | 1998-12-18 | Mitsubishi Heavy Ind Ltd | Unit for supplying particles into fluid |
| 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 |
|---|
| 钱震等: "高密度气固两相流颗粒质量通量的自动测量方法", 《高校化学工程学报》, vol. 18, no. 04, 25 August 2004 (2004-08-25), pages 506 - 509 * |
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| CN103308276B (en) | 2015-08-26 |
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