CN102155388B - 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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- CN102155388B CN102155388B CN201110054564.XA CN201110054564A CN102155388B CN 102155388 B CN102155388 B CN 102155388B CN 201110054564 A CN201110054564 A CN 201110054564A CN 102155388 B CN102155388 B CN 102155388B
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- bellows
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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 ofly for the raising suction inlet suction capactity of dust removal by ventilation, noxious gas emission engineering field and method and the device of distance, by form the mode of annular jet barrier around suction inlet, improve suction capactity and the distance of suction inlet.
Technical background:
In the engineering field such as dust removal by ventilation, noxious gas emission, all be unable to do without suction, first 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 perplex Zhe Ge production department and relevant scientific research personnel apart from this problem always, although adopted various methods and measure, produced effects also not obvious.The common suction inlet suction inlet of suction hood (or even install additional) is very weak to the suction capturing ability of harmful substance, and effectively suction distance is very little (being only 2 times of left and right of suction inlet diameter) also.Common suction inlet can not carry out directed control and suck, and in sucking harmful substance, a large amount of fresh airs are also inhaled into, and this can increase burden and the energy consumption of sucktion fan and subsequent processing device undoubtedly.A kind of jet action raising and the control suction capactity of suction inlet and method of distance utilized set forth in the article " research of suction-airflow affected by annular jet " of Dong Liguo/woods leopard that " Heating,Ventilating and Air Conditioning (HVAC) HV & AC " delivered on the 3rd phase in 2003.The method is around suction inlet, to arrange one group of spout with rotation guide vane, and jet produces ring rotation jet by this spout around suction inlet.This ring rotation jet has played the suction effect of fresh air around of shielding suction inlet, thereby has improved to a certain extent suction capactity and the distance of suction inlet to harmful substance.But because efflux nozzle is state of rest, the jet rotary weak strength of generation, right fresh air screening ability is less, and when the velocity of escape of dust or the buoyance lift speed of harmful gas are when larger, pumping efficiency can reduce greatly.
Summary of the invention:
The object of the invention is in order to overcome above deficiency, a kind of method that can greatly improve suction inlet suction capactity and distance being widely used in dust removal by ventilation, 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, the method is that some efflux nozzles that can spray jet that rotate around suction inlet that driven by power source are set around suction inlet, efflux nozzle axis can be parallel or be favoured suction inlet axis and suction inlet axis forms several angle, suction inlet around, forms and rotates barrier.
Above-mentioned jet is air-flow or steam or gas liquid mixture or other medium.
Jet, by the efflux nozzle ejection jet rotating, forms rotary annular jet barrier around suction inlet.Because efflux nozzle rotates, greatly strengthen jet rotary degree, greatly improve thus suction capactity and the distance of suction inlet.
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 successively exhaust column outer periphery is subject to the rotation bellows of driven by motor, static bellows by driving mechanism, rotation be equipped with along exhaust column outer periphery on bellows some efflux nozzles, respectively with the corresponding some rotary annular airducts of some efflux nozzles, one end of each rotary annular airduct stretch in static bellows and and static bellows wall between rotating seal is housed, the blast orifice that is loaded on the blower on static bellows stretches in static bellows.
Angle between above-mentioned efflux nozzle axis and induced draft fan axis is 15～30 °, and radially angle is 0 °～30 °.
The inventive method, by form the mode of annular jet barrier around suction inlet, improves suction capactity and the distance of suction inlet greatly, applied widely, can be widely used in the engineering field such as dust removal by ventilation, noxious gas emission.Apparatus of the present invention are simple in structure, suction capactity is strong.
Brief description of the drawings:
Fig. 1 is the inventive method principle schematic.
Fig. 2 is apparatus of the present invention structural representation.
Fig. 3 is for penetrating note spout and the axial angle schematic diagram of exhaust column.
Fig. 4 is efflux nozzle and radially angle schematic diagram of 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 rotate around suction inlet that driven by power source are set around suction inlet 1, and efflux nozzle axis favours 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 successively exhaust column outer periphery is loaded on by outsourcing swivel bearing 9 and gear reduction driving mechanism 12 and reducer of turbodrill 11 rotation bellows 7, the static bellows 4 that the motor 10 on exhaust column motor cabinet 1C drives.Rotation be equipped with along exhaust column outer periphery on bellows 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 static bellows and and static bellows wall between rotating seal 5 is housed.The blast orifice that is loaded on the blower 3 on static bellows stretches in 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 composition 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 formed rotary jet generation systems.In the time of device work, blower 3 produces positive pressure air, arrives rotation bellows 7 by static bellows 4, rotary annular airduct 6.Owing to adopting rotating seal 5 to be connected between static bellows 4 and rotary annular airduct 6, both alleviate positive pressure air to external leakage, ensure that again rotary annular airduct 6 axially rotates along exhaust column 1A.Positive pressure air arrives after rotation bellows 7, outwards penetrates by efflux nozzle 2.Rotation bellows 7 and efflux nozzle 2, under the drive systems being made up of motor 10, reducer of turbodrill 11, gear reduction driving mechanism 12, axially rotate along exhaust column, produce thus stronger swirling eddy.Under this swirling eddy effect, suction system strengthens greatly to the suction capactity of harmful dust.
In 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 nozzle outlet rotary speed, exhausting amount, blast volume.
In Fig. 1, Fig. 2, sequence number 3,14,15 represents respectively jet direction, inspiratory direction, harmful dust.
The various embodiments described above are that foregoing of the present invention is further described, but this should be interpreted as to the scope of the above-mentioned theme of the present invention only limits to above-described embodiment.All technology realizing based on foregoing all belong to scope of the present invention.
Claims (2)
1. 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 successively exhaust column outer periphery and be subject to the rotation bellows of driven by motor, static bellows by driving mechanism, rotation be equipped with along exhaust column outer periphery on bellows some efflux nozzles, respectively with the corresponding some rotary annular airducts of some efflux nozzles, one end of each rotary annular airduct stretch in static bellows and and static bellows wall between rotating seal is housed, the blast orifice that is loaded on the blower on static bellows stretches in static bellows.
2. the device of raising suction inlet suction capactity as claimed in claim 1 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 CN102155388A (en) | 2011-08-17 |
| CN102155388B true CN102155388B (en) | 2014-07-02 |
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Family Applications (1)
| 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 |
Country Status (1)
| Country | Link |
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| CN (1) | CN102155388B (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1178000A (en) * | 1996-04-01 | 1998-04-01 | 日本富列克特株式会社 | Blower unit |
| CN201333368Y (en) * | 2008-12-05 | 2009-10-28 | 宁波思进机械有限公司 | Rotary jet-type oil-mist processor |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DK630174A (en) * | 1974-12-04 | 1976-06-05 | C P N Aaberg | APPLIANCE FOR POINT SUCTION IN WELDING AND OTHER AIR POLLUTING PROCESSES |
| CN2106931U (en) * | 1991-12-01 | 1992-06-10 | 中国矿业大学 | Rotary jet screen aspirator |
| CN1328553C (en) * | 2002-12-17 | 2007-07-25 | 北京新安特风机有限公司 | 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 |
-
2011
- 2011-03-08 CN CN201110054564.XA patent/CN102155388B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1178000A (en) * | 1996-04-01 | 1998-04-01 | 日本富列克特株式会社 | Blower unit |
| CN201333368Y (en) * | 2008-12-05 | 2009-10-28 | 宁波思进机械有限公司 | Rotary jet-type oil-mist processor |
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| Publication number | Publication date |
|---|---|
| CN102155388A (en) | 2011-08-17 |
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Granted publication date: 20140702 Termination date: 20190308 |