CN102927020A - Reverse pumping draft fan - Google Patents
Reverse pumping draft fan Download PDFInfo
- Publication number
- CN102927020A CN102927020A CN2012104437136A CN201210443713A CN102927020A CN 102927020 A CN102927020 A CN 102927020A CN 2012104437136 A CN2012104437136 A CN 2012104437136A CN 201210443713 A CN201210443713 A CN 201210443713A CN 102927020 A CN102927020 A CN 102927020A
- Authority
- CN
- China
- Prior art keywords
- wind wheel
- casing
- fan
- reverse pumping
- rotating shaft
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
A reverse pumping draft fan comprises an air absorbing inlet, a fan casing, a rotating shaft, a motor, a centrifugal wind wheel, centrifugal fan blades, an output air pipe, a reverse pumping wind wheel and reverse pumping fan blades. The air absorbing inlet is communicated with the fan casing, one end of the rotating shaft penetrates through the fan casing to the inside of the fan casing, the centrifugal wind wheel is installed on the rotating shaft in the fan casing, and the centrifugal fan blades are installed on the centrifugal wind wheel. The other end of the rotating shaft is connected with the motor outside the fan casing, the back pumping wind wheel is further installed on the rotating shaft between the fan casing and the motor, and the back pumping fan blades are installed on the back pumping wind wheel. One end of the output air pipe is communicated with the fan casing, and an end opening at the other end of the output air pipe faces the rotating direction of the back pumping wind wheel. Electric power is input in the back pumping draft fan, wind power is output, the output wind power can be input into the back pumping draft fan to further generate wind force, and the fan has the advantages of being high in air pumping efficiency and saving electric energy.
Description
Technical field
The present invention relates to a kind of extractor fan, specifically a kind of reverse pumping induced draft fan.
Background technique
Traditional extractor fan generally is comprised of casing, air sucking mouth, fan leaf, rotating shaft and motor, the air sucking mouth is connected with casing, rotating shaft is installed in the casing, fan leaf is installed in an end of rotating shaft, the other end of rotating shaft is connected with motor, and the rotating shaft that utilizes motor electric power to drive extractor fan is rotated, and rotates thereby drive fan leaf, the fan leaf that rotates forms angrily stream, thereby indoor Bas Discharged is outdoor.This extractor fan working efficiency only depends on electric drive, and pumping efficiency is lower, and power consumption is larger.
Summary of the invention
The technical problem to be solved in the present invention is the deficiency that exists for above-mentioned extractor fan, and a kind of reverse pumping induced draft fan is provided, and reaches that pumping efficiency is high, the purpose of saving power.
The present invention solves the problems of the technologies described above the technological scheme of taking: a kind of reverse pumping induced draft fan, comprise air sucking mouth, casing, rotating shaft and motor, and the air sucking mouth is communicated with casing; Described reverse pumping induced draft fan also comprises centrifugal wind wheel, centrifugal cutter leaf, output airduct, reverse pumping wind wheel and reverse pumping fan leaf, it is inner to casing that one end of rotating shaft passes casing, centrifugal wind wheel is installed in the interior rotating shaft of casing, and the centrifugal cutter leaf is installed on the centrifugal wind wheel; The other end of rotating shaft is connected with motor outside casing, and the reverse pumping wind wheel also is installed in the rotating shaft between casing and the motor, and the reverse pumping fan leaf is installed on the reverse pumping wind wheel; One end of output airduct is communicated with casing, the direction that the port of the other end rotates towards the reverse pumping wind wheel.
Described output airduct has two, is located at respectively the both sides of casing.
Reverse pumping induced draft fan of the present invention, motor is to reverse pumping induced draft fan input electric power, centrifugal wind wheel is rotated, drive the centrifugal cutter leaf and rotate generation wind-force, the wind-force that produces acts on the reverse pumping fan leaf through the output airduct, and reverse pumping fan leaf rotational velocity is accelerated, and then accelerates the rotation of reverse pumping wind wheel, because motor, reverse pumping wind wheel and centrifugal wind wheel are in the same rotating shaft, so the rotation of reverse pumping wind wheel further drives again the rotation of centrifugal wind wheel.The present invention is input electric power in the reverse pumping induced draft fan, and output wind-force, the wind-force of output can be inputted again in the reverse pumping induced draft fan and further to produce wind-force, has an air suction efficiency high, the advantage of saving power.
Description of drawings
Fig. 1 is the structural representation of reverse pumping induced draft fan of the present invention.
Embodiment
Below in conjunction with drawings and Examples technological scheme of the present invention is described further.
As shown in Figure 1, a kind of reverse pumping induced draft fan comprises air sucking mouth 1, casing 2, rotating shaft 6, motor 9, centrifugal wind wheel 4, centrifugal cutter leaf 3, output airduct 5, reverse pumping wind wheel 8 and reverse pumping fan leaf 7; Air sucking mouth 1 is communicated with casing 2, and an end of rotating shaft 6 passes casing 2 to casing 2 inside, and centrifugal wind wheel 4 is installed in the rotating shaft 6 in the casing 2, and centrifugal cutter leaf 3 is installed on the centrifugal wind wheel 4; The other end of rotating shaft 6 is connected with motor 9 outside casing 2, in the rotating shaft 6 between casing 2 and the motor 9 reverse pumping wind wheel 8 is installed also, and reverse pumping fan leaf 7 is installed on the reverse pumping wind wheel 8; One end of output airduct 5 is communicated with casing 2, the direction that the other end port rotates towards reverse pumping wind wheel 8; Output airduct 5 has two, is located at respectively the both sides of casing 2.
The motor 9 of reverse pumping induced draft fan is given reverse pumping induced draft fan input electric power, centrifugal wind wheel 4 is rotated, drive centrifugal cutter leaf 3 and rotate generation wind-force, the wind-force that produces acts on reverse pumping fan leaf 7 through output airduct 5, reverse pumping fan leaf 7 rotational velocity are accelerated, and then accelerate the rotation of reverse pumping wind wheel 8, because motor 9, reverse pumping wind wheel 8 and centrifugal wind wheel 4 be in same rotating shaft 6, so the rotation of reverse pumping wind wheel 8 further drives again the rotation of centrifugal wind wheel 4.
Claims (2)
1. a reverse pumping induced draft fan comprises air sucking mouth, casing, rotating shaft and motor, and the air sucking mouth is communicated with casing; It is characterized in that, described reverse pumping induced draft fan also comprises centrifugal wind wheel, centrifugal cutter leaf, output airduct, reverse pumping wind wheel and reverse pumping fan leaf, it is inner to casing that one end of rotating shaft passes casing, and centrifugal wind wheel is installed in the interior rotating shaft of casing, and the centrifugal cutter leaf is installed on the centrifugal wind wheel; The other end of rotating shaft is connected with motor outside casing, and the reverse pumping wind wheel also is installed in the rotating shaft between casing and the motor, and the reverse pumping fan leaf is installed on the reverse pumping wind wheel; One end of output airduct is communicated with casing, the direction that the port of the other end rotates towards the reverse pumping wind wheel.
2. reverse pumping induced draft fan according to claim 1 is characterized in that, described output airduct has two, is located at respectively the both sides of casing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012104437136A CN102927020A (en) | 2012-11-08 | 2012-11-08 | Reverse pumping draft fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012104437136A CN102927020A (en) | 2012-11-08 | 2012-11-08 | Reverse pumping draft fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102927020A true CN102927020A (en) | 2013-02-13 |
Family
ID=47641915
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012104437136A Pending CN102927020A (en) | 2012-11-08 | 2012-11-08 | Reverse pumping draft fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102927020A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1107270A (en) * | 1965-09-08 | 1968-03-27 | Nordisk Ventilator | Improvements in and relating to a centrifugal fan comprising a drum impeller |
| CN1055411A (en) * | 1991-05-10 | 1991-10-16 | 吴星杰 | Electric wind transformed reactive thrust generator |
| CN2091974U (en) * | 1991-01-03 | 1992-01-01 | 哈尔滨市利民粮食设备制造厂 | High-pressure centrifugal fan |
| CN2305507Y (en) * | 1997-05-29 | 1999-01-27 | 山富机械厂有限公司 | Centrifugal multiple air outlet air exhauster |
| CN2599271Y (en) * | 2002-01-23 | 2004-01-14 | 彭树辉 | Electric generator |
| CN101303025A (en) * | 2008-05-22 | 2008-11-12 | 山东大学 | High-efficiency and energy-saving multifunctional centrifugal blower fan |
| CN201412930Y (en) * | 2009-05-05 | 2010-02-24 | 张卫 | Wind-driven type ventilation fan |
| CN202851394U (en) * | 2012-11-08 | 2013-04-03 | 吴星杰 | Back pumping exhaust fan |
-
2012
- 2012-11-08 CN CN2012104437136A patent/CN102927020A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1107270A (en) * | 1965-09-08 | 1968-03-27 | Nordisk Ventilator | Improvements in and relating to a centrifugal fan comprising a drum impeller |
| CN2091974U (en) * | 1991-01-03 | 1992-01-01 | 哈尔滨市利民粮食设备制造厂 | High-pressure centrifugal fan |
| CN1055411A (en) * | 1991-05-10 | 1991-10-16 | 吴星杰 | Electric wind transformed reactive thrust generator |
| CN2305507Y (en) * | 1997-05-29 | 1999-01-27 | 山富机械厂有限公司 | Centrifugal multiple air outlet air exhauster |
| CN2599271Y (en) * | 2002-01-23 | 2004-01-14 | 彭树辉 | Electric generator |
| CN101303025A (en) * | 2008-05-22 | 2008-11-12 | 山东大学 | High-efficiency and energy-saving multifunctional centrifugal blower fan |
| CN201412930Y (en) * | 2009-05-05 | 2010-02-24 | 张卫 | Wind-driven type ventilation fan |
| CN202851394U (en) * | 2012-11-08 | 2013-04-03 | 吴星杰 | Back pumping exhaust fan |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202937480U (en) | Multistage impeller centrifugal blower | |
| CN203548269U (en) | Backward type centrifugal fan | |
| CN202851394U (en) | Back pumping exhaust fan | |
| CN201475038U (en) | Fully-mixed flow impeller | |
| CN205207273U (en) | Dual -air -inlet centrifugal fan | |
| CN105240293A (en) | Efficient suction and exhaust hollow ring shaftless motor fan | |
| CN203272166U (en) | Centrifugal induced draft fan | |
| CN202971312U (en) | Novel two-stage low-speed centrifugal blower structure | |
| CN202182041U (en) | Tap water powered exhaust fan | |
| CN102927020A (en) | Reverse pumping draft fan | |
| CN205805946U (en) | Centrifugal exhaust fan | |
| CN201696309U (en) | High speed air centrifugal blower used for coal chemical industry | |
| CN208138204U (en) | Four sides air inlet volute structure | |
| CN203023118U (en) | Impeller combined type double-wind-wheel draught fan | |
| CN201917033U (en) | Suction device for outdoor use | |
| CN203560118U (en) | Centrifugal fan | |
| CN206478739U (en) | A kind of ducting assembly | |
| CN204213001U (en) | Turbine type high-rotating-speed fan device | |
| CN211082314U (en) | High-efficiency centrifugal fan | |
| CN201671879U (en) | Forward centrifugal fan | |
| CN203978880U (en) | A kind of centrifugal blower of one-sided fixedly two-way air intake | |
| CN203604220U (en) | Combined draught fan | |
| CN204226233U (en) | Low noise integration centrifugal blower | |
| CN205173010U (en) | Spiral -flow type air exhauster | |
| CN203441780U (en) | Box-type centrifugal blower without volute |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20130213 |