CN102556669B - Gas-solid mixing accelerating chamber - Google Patents
Gas-solid mixing accelerating chamber Download PDFInfo
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- CN102556669B CN102556669B CN201210005637.0A CN201210005637A CN102556669B CN 102556669 B CN102556669 B CN 102556669B CN 201210005637 A CN201210005637 A CN 201210005637A CN 102556669 B CN102556669 B CN 102556669B
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Abstract
The invention discloses a gas-solid mixing accelerating chamber which comprises a main gas intake pipe, a main spraying nozzle, a gas-solid mixing chamber, an auxiliary spraying nozzle, a branch pipe and an anti-blocking spraying nozzle. The main gas intake pipe is communicated with the main spraying nozzle; the main spraying nozzle is communicated with the gas-solid mixing chamber, the gas-solid mixing chamber is communicated with the auxiliary spraying nozzle; the upper end of the gas-solid mixing chamber is provided with a feeding port; the main gas intake pipe is provided with the branch pipe; the branch pipe is connected with the anti-blocking spraying nozzle; and the anti-blocking spraying nozzle is arranged on the upper end of the gas-solid mixing chamber. The gas flow flows through the main gas intake pipe and enters the main spraying nozzle to be accelerated into the high-speed gas flow, then the high-speed gas flow is mixed with the material entering from the feeding port in the gas-solid mixing chamber to form the gas-solid mixed flow, and the gas-solid mixed flow is accelerated by the auxiliary spraying nozzle and enters a conveying pipe. When the backpressure of the conveying pipe increases, the material stacked in the gas-solid mixing chamber is removed by the high-speed gas flow sprayed out of the anti-blocking spraying nozzle. The gas-solid mixing accelerating chamber can effectively reduce the phenomena of gas return and backflow and has small pressure loss and low energy consumption.
Description
Technical field
The present invention relates to the feeder apparatus in a kind of air-transport system, refer in particular to a kind of gas-solid mixing accelerating chamber.
Background technology
Gas-solid mixing accelerating chamber, is also called gas-solid injector, is the key equipment of feed in air-transport system.In prior art, gas-solid mixing accelerating chamber generally comprises air inlet pipe, gas jet, gas-solid mixing room, blanking port and delivery duct; Air inlet pipe is directly connected with gas jet, and gas jet, just to gas-solid mixing room, arranges blanking port above gas-solid mixing room, and gas-solid mixing room is connected with delivery duct; During use, gas enters after gas jet accelerates by air inlet pipe, and spray and enter gas-solid mixing room, solid material is fallen by blanking port and enters gas-solid mixing room, and carries out energy exchange in gas, enters delivery duct after mixing.
The gas-solid mixing accelerating chamber of prior art, it can only powdery material, in use procedure, when the back pressure of delivery duct reaches certain value, it hinders the flow velocity of the jet gas of gas jet, therefore, Dual-Phrase Distribution of Gas olid is uneven in the indoor mixing of gas-solid mixing, and even in blending box, the mixing of Dual-Phrase Distribution of Gas olid and the process of energy exchange also do not complete, and waste of power increases, the traffic capacity of material reduces, and then causes material to block in gas-solid mixing indoor stack sum; Meanwhile, in order to improve the flow velocity of gas, the power of gas jet must be increased, thus increase energy consumption.
Secondly, gas is entered by air inlet pipe, and is sprayed by gas jet, and gas is disturbed flow condition therebetween, and therefore, the crushing caused is large.
Again, the inside situation of gas-solid mixing room cannot be observed, gas-solid mixed state cannot be learnt and whether break down.
In view of the above-mentioned defect of gas-solid mixing accelerating chamber in prior art, the present inventor develops a kind of gas-solid mixing accelerating chamber overcoming above-mentioned defect, and this case produces thus.
Summary of the invention
An object of the present invention is that providing a kind of can effectively reduce the gas-solid mixing accelerating chamber returning wind and refluence phenomenon;
Two of object of the present invention is to provide a kind of crushing little and the gas-solid mixing accelerating chamber that energy consumption is low;
Three of object of the present invention is that providing a kind of installs and gas-solid mixing accelerating chamber easy to maintenance.
For reaching above-mentioned purpose, solution of the present invention is:
A kind of gas-solid mixing accelerating chamber, comprises main air inlet pipe, main nozzle, gas-solid mixing room, secondary nozzle, arm and Anti-clogging spray nozzle; Main air inlet pipe communicates with main nozzle, and main nozzle communicates with gas-solid mixing room, and gas-solid mixing room communicates with time nozzle; The upper end of gas-solid mixing room is blanking port; Main air inlet pipe arranges arm, and arm connects Anti-clogging spray nozzle, and Anti-clogging spray nozzle is positioned at the upper end of gas-solid mixing room.
Further, main nozzle is eccentric reducing structure.
Further, secondary nozzle is eccentric reducing structure.
Further, rectifier is set between main air inlet pipe and main nozzle.
Further, room arranges inspection door to gas-solid mixing, and the material of inspection door is organism glass.
Further, the structure of gas-solid mixing room is the wide at the top and narrow at the bottom platform structure that falls.
After adopting such scheme, the present invention arranges arm on main air inlet pipe, and one end of arm arranges Anti-clogging spray nozzle, and Anti-clogging spray nozzle is positioned at the upper end of gas-solid mixing room; When the back pressure of delivery duct is elevated to certain value, a part of air-flow in main air inlet pipe automatically enters Anti-clogging spray nozzle through the arm be arranged on main air inlet pipe and sprays into gas-solid mixing room, make the indoor full communication between the higher and lower levels of gas-solid mixing, well the gas in gas-solid mixing room fully can be mixed with solid, material can be prevented in the blocking of gas-solid mixing indoor stack sum, thus reduce the back pressure in delivery duct; The present invention arranges time nozzle after main nozzle, secondary nozzle is communicated with delivery duct, secondary nozzle is to the raw accelerating action of gas-solid mixing miscarriage, thus it is smooth and easy to make gas-solid mixing stream circulate, can prevent gas-solid mixing stream from returning wind and refluence phenomenon at the indoor generation whirlpool of gas-solid mixing and because the back pressure of delivery duct raises generation.
Secondly, main nozzle adopts eccentric reducing structure, and because main nozzle is arranged on below gas-solid mixing room, this structure can increase the space of gas-solid mixing room, and gas is fully mixed with solid; Meanwhile, this structure can prevent material from piling up bottom main nozzle, and then reduces the crushing of gas-solid mixing acceleration.
Meanwhile, the present invention arranges rectifier between main air inlet pipe and main nozzle, and through rectifier rectification after air-flow passes through main air inlet pipe, air-flow changes laminar condition into by disturbed flow condition, thus reduces air-flow crushing.
Again, room arranges inspection door to gas-solid mixing, and the material of inspection door is organism glass, can observe the indoor gas-solid mixed state of gas-solid mixing and observe faulty condition.
Finally, gas-solid mixing room adopts the wide at the top and narrow at the bottom platform structure that falls, and can prevent material from piling up bottom gas-solid mixing room, thus increase mixed flow solid-gas ratio.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the section-drawing in Figure 1A-A direction;
Fig. 3 is three-dimensional combination figure of the present invention;
Fig. 4 is three-dimensional exploded view of the present invention.
Label declaration
Main air inlet pipe 1 main nozzle 2
Gas-solid mixing room 3
Blanking port 31 inspection door 32
Arm 4 Anti-clogging spray nozzle 5
Secondary nozzle 6 rectifier 7
Rectification section 71
Pressure sensor 8 flow measuring point 9.
Detailed description of the invention
Below in conjunction with drawings and the specific embodiments, the present invention is described in detail.
Consult shown in Fig. 1 to Fig. 4, disclosed a kind of gas-solid mixing accelerating chamber, comprise main air inlet pipe 1, main nozzle 2, gas-solid mixing room 3, arm 4, Anti-clogging spray nozzle 5 and secondary nozzle 6.
Main air inlet pipe 1 communicates with main nozzle 2, and main nozzle 2 communicates with gas-solid mixing room 3, and gas-solid mixing room 3 communicates with time nozzle 6, and secondary nozzle 6 communicates with delivery duct (not shown).The structure of main nozzle 2 be preferably eccentric reducing structure (eccentric reducing tubular construction, wherein, reducing pipe be major part gradually to the pipe that microcephaly shrinks, be also pipe reducer; After eccentric reducer erects, the projection of two-port is that roundlet is inscribed within cylindrical, and the two-port center of circle is not on the same line, and wherein roundlet corresponds to microcephaly, and cylindrical corresponds to major part).Secondary nozzle 6 is also preferably eccentric reducing structure, and secondary nozzle 6 can prevent gas-solid mixing stream from producing whirlpool at gas-solid mixing indoor 3 and returning wind and refluence phenomenon because the back pressure of delivery duct raises generation.
The structure of gas-solid mixing room 3 is preferably the wide at the top and narrow at the bottom platform structure that falls, structure wide at the top and narrow at the bottom makes solid material can at the uniform velocity and lentamente enter in gas-solid mixing room 3, fully mix with gas, can prevent material from piling up bottom gas-solid mixing room 3, thus increase mixed flow solid-gas ratio.
The upper end of gas-solid mixing room 3 is blanking port 31.Arm 4 connects Anti-clogging spray nozzle 5, and Anti-clogging spray nozzle 5 is positioned at the upper end of gas-solid mixing room 3.In order to make air-flow more unimpeded, Anti-clogging spray nozzle 5 can be set to two.
For reducing the crushing of air-flow in circulation process, rectifier 7 can be set between main air inlet pipe 1 and main nozzle 2, and rectification section 71 is set, setting pressure sensor 8 and flow measuring point 9 on rectification section 71.
For ease of observing gas-solid mixed state and observation faulty condition in gas-solid mixing room 3, can arrange inspection door 32 on gas-solid mixing room 3, the material of inspection door 32 is the good pmma material of permeability, is sealed by inspection door 32 with sealant simultaneously.Can Timeliness coverage problem by inspection door 32, and keep in repair.
When the present invention uses, the air-flow provided by wind regime enters main air inlet pipe 1, through rectifier 7 rectification, air-flow is made to become laminar condition from disturbed flow condition, and pressure sensor 8 on rectification section 71 and flow measuring point 9 are measured, and then enter main nozzle 1, after main nozzle 1 accelerates, enter gas-solid mixing room 3, and is formed after mixing with the solid material fallen by blanking port 31 and intends even phase gas-solid mixing and flow to into time nozzle 6, gas-solid mixing enters delivery duct after flowing through secondary nozzle 6 acceleration; When the back pressure of delivery duct is elevated to certain value, a part of air-flow in main air inlet pipe 1 automatically enters Anti-clogging spray nozzle 5 through the arm 4 be arranged on main air inlet pipe 1 and sprays into gas-solid mixing room 3, prevents material from gas-solid mixing room 3, piling sum blocking.
The foregoing is only one embodiment of the present of invention, not to the restriction of this case design, all equivalent variations done according to the design key of this case, all fall into the protection domain of this case.
Claims (4)
1. a gas-solid mixing accelerating chamber, is characterized in that: comprise main air inlet pipe, main nozzle, gas-solid mixing room, secondary nozzle, arm and Anti-clogging spray nozzle; Main air inlet pipe communicates with main nozzle, and main nozzle communicates with gas-solid mixing room, and gas-solid mixing room communicates with time nozzle; The upper end of gas-solid mixing room is blanking port; Main air inlet pipe arranges arm, and arm connects Anti-clogging spray nozzle, and Anti-clogging spray nozzle is positioned at the upper end of gas-solid mixing room; Main nozzle is eccentric reducing structure, head sized by main nozzle shape, and the little circular projection that main nozzle erects the cylindrical of rear inflow point major part and exit microcephaly is tangent; Secondary nozzle is eccentric reducing structure, the shape of secondary nozzle also sized by head, the little circular projection that secondary nozzle erects the cylindrical of rear inflow point major part and exit microcephaly is tangent; Main nozzle and time bottom of nozzle and the tangent setting in bottom of gas-solid mixing room.
2. a kind of gas-solid mixing accelerating chamber as claimed in claim 1, is characterized in that: between main air inlet pipe and main nozzle, arrange rectifier.
3. a kind of gas-solid mixing accelerating chamber as claimed in claim 1, is characterized in that: room arranges inspection door to gas-solid mixing, and the material of inspection door is organism glass.
4. a kind of gas-solid mixing accelerating chamber as claimed in claim 1, is characterized in that: the structure of gas-solid mixing room is the wide at the top and narrow at the bottom platform structure that falls.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210005637.0A CN102556669B (en) | 2012-01-10 | 2012-01-10 | Gas-solid mixing accelerating chamber |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210005637.0A CN102556669B (en) | 2012-01-10 | 2012-01-10 | Gas-solid mixing accelerating chamber |
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| CN102556669A CN102556669A (en) | 2012-07-11 |
| CN102556669B true CN102556669B (en) | 2015-06-10 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103033379B (en) * | 2012-12-10 | 2015-04-15 | 中国船舶重工集团公司第七一一研究所 | Particle load mixing device |
| CN103831185B (en) * | 2014-03-20 | 2016-03-02 | 浙江明泉工业涂装有限公司 | For the gas-solid mixer of coating equipment |
| CN103899354B (en) * | 2014-04-15 | 2016-08-17 | 美甘齐动（厦门）物料输送工程股份有限公司 | The gas of a kind of gangue wraps up in conveying and filling system |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1562499A (en) * | 2004-04-22 | 2005-01-12 | 东南大学 | Injector of gas and solid transported through gas |
| CN201322011Y (en) * | 2008-12-24 | 2009-10-07 | 裕东（中山）机械工程有限公司 | Powder material pneumatic transmitting pump |
| CN201647665U (en) * | 2010-02-25 | 2010-11-24 | 中国石油化工集团公司 | Adjustable feed injector |
-
2012
- 2012-01-10 CN CN201210005637.0A patent/CN102556669B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1562499A (en) * | 2004-04-22 | 2005-01-12 | 东南大学 | Injector of gas and solid transported through gas |
| CN201322011Y (en) * | 2008-12-24 | 2009-10-07 | 裕东（中山）机械工程有限公司 | Powder material pneumatic transmitting pump |
| CN201647665U (en) * | 2010-02-25 | 2010-11-24 | 中国石油化工集团公司 | Adjustable feed injector |
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| CN102556669A (en) | 2012-07-11 |
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Owner name: SU QI Free format text: FORMER OWNER: XIAMEN HOMEWELL ENERGY + ENVIRONMENT TECHNOLOGY CO., LTD. Effective date: 20130516 |
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Address after: 361000 203B room, Pioneer Building, pioneer zone, torch hi tech Zone, Xiamen, Fujian Patentee after: Meiganqi dynamic (Xiamen) material handling engineering Limited by Share Ltd Address before: 361000 203B room, Pioneer Building, pioneer zone, torch hi tech Zone, Xiamen, Fujian Patentee before: XIAMEN MEGAPCE MATERIAL CONVEYING ENGINEERING CO., LTD. |