CN201106571Y - Special fan for gas flow ascending flue-curing house - Google Patents
Special fan for gas flow ascending flue-curing house Download PDFInfo
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- CN201106571Y CN201106571Y CNU2007200077210U CN200720007721U CN201106571Y CN 201106571 Y CN201106571 Y CN 201106571Y CN U2007200077210 U CNU2007200077210 U CN U2007200077210U CN 200720007721 U CN200720007721 U CN 200720007721U CN 201106571 Y CN201106571 Y CN 201106571Y
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Abstract
The utility model relates to a current rising flue-curing barn special draught fan, which is applied to the firing of the processing fields such as tea, food, medicinal materials, vegetable, edible mushrooms, particularly fresh tobacco leaf, etc. The draught fan comprises a two-speed motor of resisting high temperature and high humidity working environment. Two ends of the motor shaft of the motor respectively extend to match and fix with an impeller inducer and a belt pulley through a key slot and a key. The periphery of the impeller inducer is provided with a wind guide cone. The draught fan is characterized in that the motor shaft fixed with the impeller inducer passes through a plane frame to be fixed with the impeller inducer again. A vertical flange used for installing the motor is arranged at an end cover or a motor shell close to the impeller inducer end. The flange is fixed at the upper surface of the plane frame through a fastening piece. The wind guide cone is fixed at the lower surface of the plane frame through the fastening piece. A motor shaft gap used for a sealing plate for a seal air channel is left between the belt pulley and the end cover of the motor shell. The draught fan has the advantages of high stability, long service life, high cycle efficiency of current, low failure rate, convenient installation and maintenance, little mechanical vibration, low power consumption, etc.
Description
Technical field
The utility model relates to a kind of air-flow ascending manner barn special fan, is applied to the baking of tealeaves, food, medicinal material, vegetables, manufacture fields such as edible mushroom, especially fresh tobacco leaf.
Background technique
Barn need use blower fan as power-forced circulating air media, and heat absorption forms high temperature gas flow at firepower pipe place to make air medium, and again the high temperature gas flow that forms " being loose and blows " becomes low-temperature airflow to material heat release to be processed.Low-temperature airflow returns firepower pipe (high temperature gas flow metal tube) through the blower fan driving and locates heat absorption formation high temperature gas flow, so circulation.Material is constantly constantly being discharged the entrained air media with materials such as moisture content in the heat absorption.When the humidity in the air medium exceeded certain threshold value, the ventilation automatic control system of barn started, and upgraded and just closed the ventilation automatic control system when the interior air medium humidity of air medium in being in recurrent state of barn is lower than preset threshold.
Airflow direction according to air medium motion in the barn forms can be divided into barn the gentle stream descending manner of air-flow ascending manner barn barn.Air-flow rises in barn, is exactly air-flow ascending manner barn.Hot gas descends in barn, is exactly air-flow descending manner barn.
Chinese patent has been announced and has been entitled as " dual-speed multifunctional electric fan " (notification number is CN 2888140Y), it contains a motor, all stretch out at these motor shaft two ends, one end is fan blade fixedly, the fixing together matched Vee pulley V of diesel engine of the other end, motor is installed on the support, and fan blade is surrounded by the coaming plate that plays the wind-guiding effect that is fixed on the support.Motor and belt pulley are installed in outside the barn, and motor shaft places fan blade in the barn by long elongation.This dual-speed multifunctional electric fan is not the high-temp resisting high-humidity resisting motor, can only be exposed to motor, belt pulley and motor cabinet outside the barn during installation, and the mounting point is subjected to the restriction of existing barn structure, only be suitable for specific barn structure such as air-flow descending manner barn is installed at special position, can't be installed in air-flow ascending manner barn easily.Will be installed in the air flue structure of just necessary change ascending manner barn on the ascending manner barn etc. by force, so certainly will influence the cooking performance of ascending manner barn, therefore, its is installed, uses, safeguards loaded down with trivial details and influences cured effect.In addition, the stand structure of this blower fan is comparatively complicated.
Chinese patent has been announced and has been entitled as " a kind of tobacco flue-curing special fan " (notification number is CN 2847876Y), it comprises a motor and is fixed on fan blade on the motor shaft, also comprise the cylinder base that is used to install motor of axial wind-guiding effect together, motor is installed in the cylinder base cavity.During the rotation of motor driving fan blade, wind-force, flows out from the cylinder base another port by the port inflow of cylinder base along the axial flow of cylinder base internal cavities.In order to adapt to hot and humid working environment, the motor inner bearing adopts high-temperature grease lubricated, has strengthened the insulating strength of motor housing simultaneously.When its deficiency was power failure, stand-by powers such as diesel engine can only provide the rotation of electric drive fan blade to motor by generating, and can't directly drive the fan blade rotation with the power of operations such as diesel engine.Stand-by power generating provides the process of electric drive fan blade rotation to motor, because efficiency, it is much bigger that the energy consuming ratio of this form directly drives the power consumption of motor, the rotation of blower fan axle with diesel engine, so the energy consumption height.
Summary of the invention
The purpose of this utility model is to overcome above-mentioned the deficiencies in the prior art part, a kind of installation is provided, uses, easy maintenance, stand structure are simple, can directly start diesel engine is the low air-flow ascending manner barn special fan of motivational drive fan blade rotation power consumption.It is double dynamical, the two rotating speed adjustable of motor.
The purpose of this utility model can reach like this: (A) a kind of air-flow ascending manner barn special fan, and it comprises the double-speed motor of a high-temp resisting high-humidity resisting working environment; The same fan blade of difference is stretched out at the motor shaft two ends of this motor and a belt pulley is matched fixing by keyway and key; Outer shroud one air conducting tube of fan blade; It is characterized in that passing the plane support with the motor shaft that fan blade fixes fixes with fan blade again; The flange that configuration one vertical installation motor is used near the motor case of fan blade end or its end cap; Flange is fixed on the plane frame upper surface by fastening piece; Air conducting tube is by the fixing plane support lower surface of fastening piece; The position, motor shaft space that the sealing plate that reservation is used for the sealing air channel between belt pulley is with motor shell end cover passes.
Described hot and humid working environment is meant that temperature is 80 ℃, the working environment of wet-bulb temperature more than 43 ℃.
(B) the described a kind of air-flow ascending manner barn special fan of A, its feature is that also the blower fan total head is 160～230pa, volume flow 〉=21600m3/h; Belt pulley links to each other with diesel engine by v belt, and blower fan can normally move when guaranteeing grid power blackout, does not influence the baking of tobacco leaf.
(C) the described a kind of air-flow ascending manner barn special fan of A or B is so its feature also is the YD100L2-6/4 1.5/2.2KW that carries out NBS, the double-speed motor of two kinds of models of YD112M-6/4 2.2/2.8KW at motor; Insulation class reaches the F level, and terminal box and end cap adopt all-sealed structure, security level IP54.
(D) the described a kind of air-flow ascending manner barn special fan of A is characterized in that fan blade end shaft extension goes out length 180mm～350mm, diameter of axle φ 30mm～φ 40mm; The pulley end shaft extension is installed length 50mm～120mm.
The utility model has following advantage compared to existing technology:
1, because motor shaft adopts thrust-bearing, the torque that motor after the vertical installation produces can act on fan blade independently, be not subjected to motor shaft and be fixed on the influence of the gravity of all parts on the motor shaft, again since motor shaft and to be fixed on the motor shaft each parts mass distribution symmetry properties diametrically good, so the stability height.
2, being subjected to the parts of mechanical wear mainly is high-quality thrust-bearing, so long service life, rate of fault are low.
3, the circuit air-flow sucks through being in the intake grill that is admitted to side-lower after space around the flange on the support of plane is passed that is fixed on the horizontal plane from side direction eminence air outlet, motor shaft is on the vertical plane, staggered not in the same way with the drainage wind direction, so it is very little to interference in air flow, it is more smooth and easy that air-flow is flowed on runner, improved the cycle efficiency of air-flow.
4, for the convenience of fan blade is installed, motor shaft fan blade end proper extension is to 180mm～350mm, and pulley end extends to 50mm～100mm), and motor is vertical to be installed on the top levels in barn side direction air channel, so installation and maintenance are convenient.
5, the bearing of rotation usefulness has only two thrust-bearings of motor internal, and the resistance that goes slick is little, power saving.
6, can apply to tealeaves, food, medicinal material, vegetables, edible mushroom manufacture field, for having added a kind of new-type roasting plant in these fields.
Description of drawings
Accompanying drawing 1 is the plan view of the utility model structural representation.
1 is the air conducting tube tube among the figure, the 3rd, and fan blade, the 4th, plane support, the 5th, flange, the 7th, motor, the 9th, position, motor shaft space, the 11st, belt pulley, the 13rd, diesel engine scaffold.
Fig. 2 is the plan view of Fig. 1 midplane support.
5 is flanges among the figure, the 17th, and space, the 13rd, diesel engine scaffold
Fig. 3 is the schematic representation after installing.
7 is motors among the figure, the 21st, and sealing plate, the 23rd, high temperature gas flow metal tube
Embodiment
The utility model is further described below in conjunction with accompanying drawing.A kind of air-flow ascending manner barn special fan, it comprises the motor (7) of a high-temp resisting high-humidity resisting working environment; Motor shaft one end of this motor (7) stretches out and passes the same fan blade of plane support (4) (3) and fix, and the same belt pulley of the other end (11) is matched fixing; Outer shroud one air conducting tube of fan blade (3) (1).The flange (5) that configuration one vertical installation motor is used on the motor case of holding near fan blade (3) or its end cap.The same motor of flange (5) (7) casing is combined as a whole, and perpendicular with motor crankshaft.The motor shaft that same fan blade (3) fixes passes the same again fan blade of plane support (4) (3) and fixes.Flange (5) is fixed on plane support (4) upper surface by fastening piece, and air conducting tube (1) is fixed on plane support (4) lower surface with fan blade (3) lateral seal.Therefore when fan blade (3) high speed rotating formed negative pressure, the above water regional air medium of plane support (4) can be passed plane support (4) and be flowed out from air conducting tube (1) nozzle in flange (5) space (17) on every side.
Installation of the present utility model is an example with the baking tobacco leaves, referring to Fig. 3.Plane of the present utility model support (4) is installed in the top in air channel, flue-cured tobacco house side.Allow sealing plate (21) pass position, motor shaft space (9).Sealing plate (21) makes belt pulley (11) be exposed to the external world, and is convenient matched by the diesel engine that is fixed on the same scaffold of scaffold (13) (13) on the plane support (4) with v belt.Fan blade end shaft extension goes out length 180mm～350mm, and diameter of axle φ 30mm～φ 40mm, the other end install belt pulley (7) shaft extension and go out length 50mm～120mm.So install, use, safeguard all very easy.
The utility model blower fan can also be realized the conversion of blast, wind speed.Design of electrical motor is become 4/6 grade, and (double-speed motor of 960r/min～1440r/min) is carried out YD100L2-6/4B 51.5/2.2KW, the YD112M-6/4B52.2/2.8KW of national GB/T10391-2002 standard.According to the actual demand of tobacco flue-curing, adopt high bottom gear switching controls double-speed motor, the blast that fan blade (3) produces, air quantity are just different, to reach the actual requirement of method for flue-curing tobacco leaves to blast, air quantity.
Owing to need work in hot and humid environment, connection box for motor can adopt curing agent to solidify sealing, and each is organized circumscripted power line and comprises that ground wire should reserve 1.5 meters and add casing protection and can satisfy needs in the reality.Recommend blower fan total head 160～230pa, volume flow 〉=21600m
3/ h, insulation class F level, terminal box and end cap adopt all-sealed structure, security level IP54.
Motor case end cap up and down should be thickeied to increase its mechanical strength.During assembling, be coated with the high temperature corrosion-resisting sealer.Motor shaft can be selected the 40Cr material for use, and through quenching with Subsequent tempering.The motor shaft rotation should be done dynamic balance running, and amount of unbalance is no more than 5g.
During the utility model work, the air medium in the flue-cured tobacco house is extracted out to deliver to from air outlet and is entered flue-cured tobacco house from the bottom that intake grill passes out in the flue-cured tobacco house again after high temperature gas flow metal tube (23) heats.
Claims (4)
1. air-flow ascending manner barn special fan, it comprises the double-speed motor (7) of a high-temp resisting high-humidity resisting working environment; Difference same fan blade (3) is stretched out at the motor shaft two ends of this motor and a belt pulley (11) is matched fixing by keyway and key; Outer shroud one air conducting tube of fan blade (3) (1); It is characterized in that motor shaft that same fan blade (3) fixes passes the same again fan blade of plane support (4) (3) and fixes; The flange (5) that configuration one vertical installation motor is used on the motor case of holding near fan blade (3) or its end cap; Flange (5) is fixed on plane support (4) upper surface by fastening piece; Air conducting tube (1) is by fixing plane support (4) lower surface of fastening piece; The position, motor shaft space (9) that the sealing plate (21) that reservation is used for the sealing air channel between belt pulley (11) is with motor shell end cover passes.
2. a kind of air-flow ascending manner barn special fan according to claim 1 is characterized in that blower fan total head 160～230pa, volume flow 〉=21600m
3/ h; Belt pulley (11) links to each other with diesel engine by v belt.
3. a kind of air-flow ascending manner barn special fan according to claim 1 and 2 is characterized in that motor is the YD100L2-6/4 1.5/2.2KW that carries out national GB/T10391-2002 standard, the double-speed motor of two kinds of models of YD112M-6/4 2.2/2.8KW; Insulation class F level; Terminal box and end cap adopt all-sealed structure, security level IP54.
4. a kind of air-flow ascending manner barn special fan according to claim 1 is characterized in that fan blade end shaft extension goes out length 180mm～350mm, diameter of axle φ 30mm～φ 40mm; The pulley end shaft extension is installed length 50mm～120mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200077210U CN201106571Y (en) | 2007-07-24 | 2007-07-24 | Special fan for gas flow ascending flue-curing house |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200077210U CN201106571Y (en) | 2007-07-24 | 2007-07-24 | Special fan for gas flow ascending flue-curing house |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201106571Y true CN201106571Y (en) | 2008-08-27 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200077210U Expired - Fee Related CN201106571Y (en) | 2007-07-24 | 2007-07-24 | Special fan for gas flow ascending flue-curing house |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201106571Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103498816A (en) * | 2013-09-30 | 2014-01-08 | 清华大学 | Pressure-bearing flange structure of high-temperature gas cooled reactor main helium fan |
-
2007
- 2007-07-24 CN CNU2007200077210U patent/CN201106571Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103498816A (en) * | 2013-09-30 | 2014-01-08 | 清华大学 | Pressure-bearing flange structure of high-temperature gas cooled reactor main helium fan |
| CN103498816B (en) * | 2013-09-30 | 2016-02-24 | 清华大学 | High temperature gas cooled reactor Helium fan bearing flange structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080827 Termination date: 20100724 |