CN102155388A - Method and device for increasing sucking capability and distance of suction opening - Google Patents
Method and device for increasing sucking capability and distance of suction opening Download PDFInfo
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- CN102155388A CN102155388A CN201110054564XA CN201110054564A CN102155388A CN 102155388 A CN102155388 A CN 102155388A CN 201110054564X A CN201110054564X A CN 201110054564XA CN 201110054564 A CN201110054564 A CN 201110054564A CN 102155388 A CN102155388 A CN 102155388A
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Abstract
The invention discloses a method for increasing the sucking capability and distance of a suction opening. The periphery of the suction opening is provided with a plurality of efflux nozzles which are driven to rotate around the suction opening by a power source and can spray efflux. By adopting the method, the sucking capability and distance of the suction opening can be greatly increased. The method can be widely applied to the engineering fields of ventilation, dust removal and emission of harmful gas. The invention also provides a device for increasing the sucking capability and distance of the suction opening.
Description
Technical field:
The present invention relates to a kind of raising suction inlet suction capactity in dust removal by ventilation, noxious gas emission engineering field and the method and device of distance of being used for,, improve the suction capactity and the distance of suction inlet by around suction inlet, forming the mode of annular jet barrier.
Technical background:
In engineering fields such as dust removal by ventilation, noxious gas emission, all be unable to do without suction, promptly earlier harmful substance is caught with blower fan, and then focus on. but up to the present, how to improve the suction capactity of suction inlet and perplexing each production department and relevant scientific research personnel apart from this problem always, though adopted various methods and measure, it is also not obvious to produce effects.The common suction inlet suction inlet of suction hood (or even install additional) is very weak to the suction capturing ability of harmful substance, effectively suction distance also very little (only be suction inlet diameter about 2 times).Common suction inlet can not carry out directed suction Controlled, and when sucking harmful substance, a large amount of fresh airs also are inhaled into, and this can increase the burden and the energy consumption of sucktion fan and subsequent processing device undoubtedly." Heating,Ventilating and Air Conditioning (HVAC) HV﹠amp; AC " article " research of inspiratory flow under the annular jet effect " of the Dong Liguo/woods leopard of delivering on the 3rd phase in 2003 set forth and a kind ofly utilized jet action to improve and the suction capactity of control suction inlet and the method for distance.This method is to have the spout that rotates guide vane for one group in the suction inlet arranged around, and jet produces the ring rotation jet by this spout around suction inlet.This ring rotation jet has played the suction effect of fresh air on every side of shielding suction inlet, thereby has improved suction capactity and the distance of suction inlet to harmful substance to a certain extent.But because of efflux nozzle is a state of rest, a little less than the jet spin intensity of generation, right fresh air screening ability is less, and when the buoyance lift speed of the velocity of escape of dust or harmful gas was big, pumping efficiency can reduce greatly.
Summary of the invention:
The objective of the invention is in order to overcome above deficiency, a kind of method that can improve suction inlet suction capactity and distance greatly that is widely used in dust removal by ventilation, the noxious gas emission engineering field is provided.Another object of the present invention is for a kind of device that improves suction inlet suction capactity and distance is provided.
The object of the present invention is achieved like this:
The present invention improves the method for suction inlet suction capactity and distance, this method is that some efflux nozzles that can spray jet that suction inlet rotates that center on that are subjected to the power source drive are set around suction inlet, the efflux nozzle axis can be parallel or be favoured the suction inlet axis and the suction inlet axis forms several angle, forms the rotation barrier around suction inlet.
Above-mentioned jet is air-flow or steam or gas liquid mixture or other medium.
The efflux nozzle ejection jet of jet by rotating forms rotary annular jet barrier around suction inlet.Because efflux nozzle rotates, and has strengthened the jet swing greatly, has improved the suction capactity and the distance of suction inlet thus greatly.
The device that the present invention improves suction inlet suction capactity and distance comprises exhaust column, be loaded on the induced draft fan at exhaust column inner outlet place, be loaded on the exhaust column outer periphery successively is subjected to the rotation bellows of driven by motor, static bellows by driving mechanism, the rotation exhaust column outer periphery, bellows upper edge be equipped with some efflux nozzles, respectively with the corresponding some rotary annular airducts of some efflux nozzles, one end of each rotary annular airduct stretch in the static bellows and and static bellows wall between rotating seal is housed, the blast orifice that is loaded on the blower on the static bellows stretches in the static bellows.
Above-mentioned efflux nozzle axis and the angle between the induced draft fan axis are 15～30 °, and radially angle is 0 °～30 °.
The inventive method improves the suction capactity and the distance of suction inlet greatly by form the mode of annular jet barrier around suction inlet, and is applied widely, can be widely used in engineering fields such as dust removal by ventilation, noxious gas emission.Apparatus of the present invention are simple in structure, suction capactity is strong.
Description of drawings:
Fig. 1 is the inventive method principle schematic.
Fig. 2 is apparatus of the present invention structural representation.
Fig. 3 annotates spout and the axial angle schematic representation of exhaust column for penetrating.
Fig. 4 is a radially angle schematic representation of efflux nozzle and exhaust column.
Embodiment:
Fig. 1 is the inventive method principle schematic.Referring to Fig. 1, the method that the present invention improves suction inlet suction capactity and distance is that some efflux nozzles that can spray jet 2 that suction inlet rotates that center on that are subjected to the power source drive are set around suction inlet 1, and the efflux nozzle axis tilt is in the suction inlet axis.Jet is air-flow (or steam or gas liquid mixture).
Fig. 2, Fig. 3 are apparatus of the present invention structural representation.Referring to Fig. 2～Fig. 3, apparatus of the present invention comprise exhaust column 1A, be loaded on the induced draft fan 1B at exhaust column inner outlet place, be loaded on the exhaust column outer periphery successively is loaded on rotation bellows 7, the static bellows 4 that the motor 10 on the exhaust column motor cabinet 1C drives by outsourcing swivel bearing 9 and gear reduction driving mechanism 12 and reducer of turbodrill 11.The rotation exhaust column outer periphery, bellows upper edge be equipped with some efflux nozzles 2, respectively with the corresponding some rotary annular airducts 6 of some efflux nozzles.One end of each rotary annular airduct stretch in the static bellows and and static bellows wall between rotating seal 5 is housed.The blast orifice that is loaded on the blower 3 on the static bellows stretches in the static bellows.Angle α between efflux nozzle axis and induced draft fan axis is 30 ° (referring to Fig. 3), and radially angle β is 15 ° (referring to Fig. 4).
Induced draft fan 1B and exhaust column 1A form suction system; Blower 3, static bellows 4, rotating seal 5, rotary annular airduct 6, rotation bellows 7, efflux nozzle 8, swivel bearing 9 and motor 10, reducer of turbodrill 11, gear reduction driving mechanism 12 have been formed the rotary jet generation systems.When device work, blower 3 produces positive pressure air, arrives rotation bellows 7 by static bellows 4, rotary annular airduct 6.Because employing rotating seal 5 is connected between static bellows 4 and the rotary annular airduct 6, has both alleviated positive pressure air to external leakage, guarantees that again rotary annular airduct 6 axially rotates along exhaust column 1A.Positive pressure air outwards penetrates by efflux nozzle 2 after arriving rotation bellows 7.Rotation bellows 7 and efflux nozzle 2 axially rotate along exhaust column under the drive systems of being made up of motor 10, reducer of turbodrill 11, gear reduction driving mechanism 12, produce stronger swirling eddy thus.Under this swirling eddy effect, suction system strengthens greatly to the suction capactity of harmful dust.
In the said apparatus, motor 10, induced draft fan 1B and blower 3 all adopt frequency control of motor speed, by Operational Limitss such as variable frequency adjustment device control spout rotational speed, exhausting amount, blast volume.
The various embodiments described above are that foregoing of the present invention is further described, but this should be interpreted as that the scope of the above-mentioned theme of the present invention only limits to the foregoing description.All technology that realizes based on foregoing all belong to scope of the present invention.
Claims (4)
1. improve the method for suction inlet suction capactity and distance, this method is that some efflux nozzles that can spray jet that suction inlet rotates that center on that are subjected to the power source drive are set around suction inlet.
2. the method for raising suction inlet suction capactity as claimed in claim 1 and distance is characterized in that jet is air-flow or steam or gas liquid mixture.
3. improve the device of suction inlet suction capactity and distance, it is characterized in that comprising exhaust column, be loaded on the induced draft fan at exhaust column inner outlet place, be loaded on the exhaust column outer periphery successively and be subjected to the rotation bellows of driven by motor, static bellows by driving mechanism, the rotation exhaust column outer periphery, bellows upper edge be equipped with some efflux nozzles, respectively with the corresponding some rotary annular airducts of some efflux nozzles, one end of each rotary annular airduct stretch in the static bellows and and static bellows wall between rotating seal is housed, the blast orifice that is loaded on the blower on the static bellows stretches in the static bellows.
4. the device of raising suction inlet suction capactity as claimed in claim 3 and distance is characterized in that the angle between efflux nozzle axis and induced draft fan axis is 15 °～30 °, and radially angle is 0 °～30 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110054564.XA CN102155388B (en) | 2011-03-08 | 2011-03-08 | Method and device for increasing sucking capability and distance of suction opening |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110054564.XA CN102155388B (en) | 2011-03-08 | 2011-03-08 | Method and device for increasing sucking capability and distance of suction opening |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102155388A true CN102155388A (en) | 2011-08-17 |
| CN102155388B CN102155388B (en) | 2014-07-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110054564.XA Expired - Fee Related CN102155388B (en) | 2011-03-08 | 2011-03-08 | Method and device for increasing sucking capability and distance of suction opening |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4043257A (en) * | 1974-12-04 | 1977-08-23 | Aaberg C | Method and apparatus for exhausting air from a limited zone |
| CN2106931U (en) * | 1991-12-01 | 1992-06-10 | 中国矿业大学 | Rotary jet screen aspirator |
| CN1178000A (en) * | 1996-04-01 | 1998-04-01 | 日本富列克特株式会社 | Blower unit |
| CN1508485A (en) * | 2002-12-17 | 2004-06-30 | 北京新安特玻璃钢设备有限公司 | Induced fan |
| CN2791110Y (en) * | 2005-05-30 | 2006-06-28 | 南京太空高压清洗设备有限公司 | Traffic marking line cleaning vehicle |
| CN201333368Y (en) * | 2008-12-05 | 2009-10-28 | 宁波思进机械有限公司 | Rotary jet-type oil-mist processor |
-
2011
- 2011-03-08 CN CN201110054564.XA patent/CN102155388B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4043257A (en) * | 1974-12-04 | 1977-08-23 | Aaberg C | Method and apparatus for exhausting air from a limited zone |
| CN2106931U (en) * | 1991-12-01 | 1992-06-10 | 中国矿业大学 | Rotary jet screen aspirator |
| CN1178000A (en) * | 1996-04-01 | 1998-04-01 | 日本富列克特株式会社 | Blower unit |
| CN1508485A (en) * | 2002-12-17 | 2004-06-30 | 北京新安特玻璃钢设备有限公司 | Induced fan |
| CN2791110Y (en) * | 2005-05-30 | 2006-06-28 | 南京太空高压清洗设备有限公司 | Traffic marking line cleaning vehicle |
| CN201333368Y (en) * | 2008-12-05 | 2009-10-28 | 宁波思进机械有限公司 | Rotary jet-type oil-mist processor |
Non-Patent Citations (2)
| Title |
|---|
| 林豹,于广荣: "射流作用下吸气流动特性的研究", 《建筑热能通风空调》 * |
| 董立国,林豹: "环形射流作用下吸气流动的研究", 《暖通空调》 * |
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|---|---|
| CN102155388B (en) | 2014-07-02 |
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Granted publication date: 20140702 Termination date: 20190308 |
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