Centrifugal fan impeller
A technology of centrifugal fan and impeller, which is applied in the direction of mechanical equipment, machine/engine, liquid fuel engine, etc. It can solve the problems of small air intake flow and small air outlet pressure, and achieve the effect of eliminating vortex
Active Publication Date: 2020-03-06
XINXIANG SIMO BLOWER LTD
View PDF5 Cites 0 Cited by
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
[0003] In the existing centrifugal fans, the air intake flow rate is generally proportional to the air outlet pressure, that is, the air intake flow rate is small and the air outlet pressure is also small, so the current centrifugal fans cannot meet some working conditions that require small flow and high pressure.
Method used
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View moreImage
Smart Image Click on the blue labels to locate them in the text.
Smart ImageViewing Examples
Examples
Experimental program
Comparison scheme
Effect test
Embodiment Construction
[0020] The following are specific embodiments of the present invention and in conjunction with the accompanying drawings, the technical solutions of the present invention are further described, but the present invention is not limited to these embodiments.
[0021] Such as figure 1 As shown, the impeller of the centrifugal fan includes a wheel disc 1 , a wheel cover 2 with air inlet holes 2 a and a blade 3 arranged between the wheel disc 1 and the wheel cover 2 . Among them, the wheel disc 1 and the wheel cover 2 are arranged on the same axis, and there are multiple blades 3 that are evenly spaced along the circumferential direction of the wheel cover 2. An exhaust passage is formed between the two blades 3 .
[0022] Specifically, as figure 2 and image 3 As shown, an air guiding frame 4 is also provided between the wheel disc 1 and the wheel cover 2. There are multiple air guiding frames 4 and are evenly spaced along the circumferential direction of the wheel cover 2, an...
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More PUM
Login to View More Abstract
The invention provides a centrifugal fan impeller, and belongs to the technical field of fans. The centrifugal fan impeller comprises an impeller disc, an impeller cover with an air inlet hole and blades arranged between the impeller disc and the impeller cover, the plurality of blades are provided and uniformly distributed at intervals in the circumferential direction of the impeller cover, an exhaust channel is formed between every two adjacent blades, air guide frames are further arranged between the impeller disc and the impeller cover, the plurality of air guide frames are provided and uniformly distributed at intervals in the circumferential direction of the impeller cover, the blades are located between the air guide frames and the air inlet hole, the cross section of each air guideframe is in a V shape, the two sides of the air guide frames are fixed to the impeller disc and the impeller cover in a sealed mode correspondingly, a pressurization channel is formed between every two adjacent air guide frames, the length of each pressurization channel extends in the radial direction of the impeller cover, the width of each pressurization channel is gradually reduced from the air inlet hole towards the corresponding air guide frame, and the distance D between the circumference where the outermost points of the blades are located and the circumference where the innermost points of the air guide frames are located is 12 mm to 16 mm. According to the centrifugal fan impeller, the air outlet pressure can be improved.
Description
technical field [0001] The invention belongs to the technical field of fans, and relates to a centrifugal fan, in particular to a centrifugal fan impeller. Background technique [0002] The centrifugal fan is a machine that relies on the input mechanical energy to increase the gas pressure and discharge the gas. It is a driven fluid machine. Centrifugal fans are widely used in ventilation, dust removal and cooling of factories, mines, tunnels, cooling towers, vehicles, ships and buildings; ventilation and induction of boilers and industrial furnaces; cooling and cooling of air conditioning equipment and household appliances Ventilation; drying and selection of grain; wind tunnel wind source and inflation and propulsion of hovercraft, etc. [0003] In the existing centrifugal fans, the air intake flow rate is generally proportional to the air outlet pressure, that is, the air intake flow rate is small and the air outlet pressure is also small. As a result, the current centri...
Claims
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More Application Information
Patent Timeline
Login to View More Patent Type & Authority Applications(China)
IPC IPC(8): F04D29/28F04D29/44F04D29/66
CPCF04D29/281F04D29/441F04D29/666F04D29/664F04D29/288
Inventor 高燚
Owner XINXIANG SIMO BLOWER LTD