CN208252435U - A kind of double outlet efficient centrifugal ventilation blowers - Google Patents
A kind of double outlet efficient centrifugal ventilation blowers Download PDFInfo
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- CN208252435U CN208252435U CN201820735781.2U CN201820735781U CN208252435U CN 208252435 U CN208252435 U CN 208252435U CN 201820735781 U CN201820735781 U CN 201820735781U CN 208252435 U CN208252435 U CN 208252435U
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Abstract
A kind of double outlet efficient centrifugal ventilation blowers, including casing, impeller, motor, the impeller are mounted in casing, impeller axis connection motor output shaft；Gas outlet there are two setting on the housing, is provided with shut-off valve at gas outlet；The entrance angle φ of the impeller blade is 15 ° -16 °, and exit angle θ is 44 ° -45 °.Compared with prior art, the beneficial effects of the utility model are: 1) the utility model is under the premise of meeting operating condition using parameter, two kinds of pipeline connection types are provided for user, ensure the advantages of can guarantee equipment safety operation under emergency case, outlet port is adjustable, substantially shortens the period of maintenance and maintenance.2) the utility model can also convey gas simultaneously under the premise of meeting operating condition using parameter for two equipment, simple installation saves space, energy saving.3) the utility model binary channels can carry out air quantity adjusting according to the specific operating condition of equipment.
Description
Technical field
The utility model relates to centrifugal fan field more particularly to a kind of double outlet efficient centrifugal ventilation blowers.
Background technique
Centrifugal fan is answered since high-efficient, performance is stablized in fields such as steel, metallurgy, electric power, chemical industry extensively
With.Previous centrifugal fan uses unidirectional outlet, is only limitted to convey gas for single equipment, outlet port is fixed, non-adjustable
Section.Once outlet conduit leaks, whole system operation can only be stopped.
Utility model content
The purpose of the utility model is to provide a kind of double outlet efficient centrifugal ventilation blowers, realize double outlet delivery gases, out
Mouth position is convertible, and using flexible, air quantity is adjustable, can also convey gases simultaneously for two equipment, and simple installation saves space,
It is energy saving.
To achieve the above object, the utility model is implemented with the following technical solutions:
A kind of double outlet efficient centrifugal ventilation blowers, including casing, impeller, motor, the impeller are mounted in casing, impeller
Axis connection motor output shaft；Gas outlet there are two setting on the housing, is provided with shut-off valve at gas outlet；On the impeller
The entrance angle φ of blade is 15 ° -16 °, and exit angle θ is 44 ° -45 °.
The shut-off valve includes 1-3 valve plate, valve shaft, connecting rod, connecting lever, and the valve plate is mounted on valve body by valve shaft
Interior, the end of valve shaft is provided with connecting lever, and when 2 or more valve plates are arranged, all connecting levers are hinged on simultaneously on a connecting rod,
Spanner is installed on one valve shaft.
It is additionally provided with pointer in the end of the valve shaft, dial is equipped in the corresponding valve body position of the pointer.
Compared with prior art, the beneficial effects of the utility model are:
1) the utility model provides two kinds of pipeline connection types under the premise of meeting operating condition using parameter for user, really
The advantages of guarantor can guarantee equipment safety operation under emergency case, outlet port is adjustable, substantially shortens the period of maintenance and maintenance.
2) the utility model can also convey gas, peace simultaneously under the premise of meeting operating condition using parameter for two equipment
Dress is easy, saves space, energy saving.
3) the utility model binary channels can carry out air quantity adjusting according to the specific operating condition of equipment.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the utility model.
Fig. 2 is the A-A of Fig. 1 to left view.
Fig. 3 is the structural schematic diagram of impeller.
Fig. 4 is the left view of impeller.
Fig. 5 is off the structural schematic diagram of valve.
Fig. 6 is the B direction view of Fig. 5.
In figure: 1- casing, 2- air inlet, 3- impeller, 4- transmission group, 5- shaft coupling, 6- motor, 7- shut-off valve, 8- shroud,
9- wheel disc, 10- blade, 11- dial, 12- valve plate, 13- pointer, 14- spanner, 15- connecting lever, 16- pull rod, 17- equipment, 18-
Reel.
Specific embodiment
The embodiments of the present invention is further illustrated with reference to the accompanying drawing:
See that Fig. 1-Fig. 6, a kind of double outlet efficient centrifugal ventilation blowers, including casing 1, impeller 3, motor 6, the impeller 3 are pacified
In casing 1,6 output shaft of impeller axis connection motor；The setting at gas outlet there are two gas outlet is set on the casing 1
There is shut-off valve 7；The entrance angle φ of 3 blade 10 of impeller is 15 ° -16 °, and exit angle θ is 44 ° -45 °.Leaf on impeller 3
The entrance angle φ of piece 10 is preferably 15.87 °, and exit angle θ is preferably 44.62 °.
The shut-off valve 7 includes 1-3 valve plate 12, valve shaft, connecting rod 16, connecting lever 15, and the valve plate 12 passes through valve shaft
It is mounted in valve body, the end of valve shaft is provided with connecting lever 15, and when 2 or more valve plates 12 are arranged, all connecting levers 15 are cut with scissors simultaneously
It connects on a connecting rod 16, spanner 14 is installed on a valve shaft.
12 quantity of embodiment valve plate is 3, is set side by side, and when valve plate 12 is closed, three valve plates 12, which are connected, closes air outlet
It closes.Can be linked three valve shaft rotations by rotating spanner 14, so that the opening angle of valve plate 12 is adjusted, by shut-off valve
7 adjusting can control the air stream transportation amount of the gas outlet.
It is additionally provided with pointer 13 in the end of the valve shaft, dial is equipped in the corresponding valve body position of pointer 13
11.The open amount of shut-off valve 7 is set by pointer 13.
Impeller 3 is welded by blade 10, shroud 8, wheel disc 9, and blade 10, which is adopted, which to be made from high grade steel, is intended by arbitrary curve
It is combined near linear shape plank frame, 10 quantity of blade is 12, and shroud 8 is tapered and short circular arc tangent shroud.Impeller shaft
It is connected by reel 18 with wheel disc 9.
Casing 1 is volute shell, and casing axisymmetrical is equipped with air inlet 2 on the end face of casing, before air inlet 2
End is taper, and rear end is the arc-shaped tangent connection of short circular arc with shroud 8.
Claims (3)
1. a kind of double outlet efficient centrifugal ventilation blowers, including casing, impeller, motor, the impeller are mounted in casing, impeller shaft
Connect motor output shaft；It is characterized in that, setting on the housing, there are two gas outlets, and shut-off valve is provided at gas outlet；
The entrance angle φ of the impeller blade is 15 ° -16 °, and exit angle θ is 44 ° -45 °.
2. a kind of double outlet efficient centrifugal ventilation blowers according to claim 1, which is characterized in that the shut-off valve includes 1-
3 valve plates, valve shaft, connecting rod, connecting levers, the valve plate are mounted in valve body by valve shaft, and the end of valve shaft, which is provided with, turns
Arm, when 2 or more valve plates are arranged, all connecting levers are hinged on simultaneously on a connecting rod, are equipped with spanner on a valve shaft.
3. a kind of double outlet efficient centrifugal ventilation blowers according to claim 2, which is characterized in that at the end of the valve shaft
Portion is additionally provided with pointer, and dial is equipped in the corresponding valve body position of the pointer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820735781.2U CN208252435U (en) | 2018-05-17 | 2018-05-17 | A kind of double outlet efficient centrifugal ventilation blowers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820735781.2U CN208252435U (en) | 2018-05-17 | 2018-05-17 | A kind of double outlet efficient centrifugal ventilation blowers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208252435U true CN208252435U (en) | 2018-12-18 |
Family
ID=66480802
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820735781.2U Active CN208252435U (en) | 2018-05-17 | 2018-05-17 | A kind of double outlet efficient centrifugal ventilation blowers |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208252435U (en) |
-
2018
- 2018-05-17 CN CN201820735781.2U patent/CN208252435U/en active Active
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