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an impeller

A technology of impeller and deflector, which is applied in the fields of impeller, fluid conveying device, and DC conical centrifugal impeller. It can solve the problems of small volume, large air volume and wind pressure, and achieve the effects of small volume, high efficiency and high pressure.

Active Publication Date: 2021-09-24
DEZHOU BINGTIAN ELECTROMECHANICAL TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] In order to solve some application requirements that the fans in the prior art cannot meet, the present invention provides an impeller with large air volume and pressure under the same power and a small volume and a fluid conveying device containing the impeller

Method used

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Effect test

Embodiment 1

[0034] Embodiment 1 (impeller without housing)

[0035] see figure 1 , figure 2 , Figure 5 , Figure 6 and Figure 7 , the present embodiment provides an impeller, including a front disc, a rear disc, and guide vanes distributed in an array between the front disc and the rear disc, the guide vanes are trapezoidal straight plates, and one end of the upper bottom of the guide vanes It is connected with the end face of the front plate, and one end of the lower bottom edge of the guide vane is connected with the rear plate.

[0036] The end faces where the upper bottom edge of the deflector is located are all located on the annular end face of the front plate; the outer surface of the rear plate is connected with the inner wall of the deflector near the lower bottom edge; both the front plate and the rear plate are annular plates, and the center hole of the front plate is the fluid input port (see Figure 7 , if the fluid is gas and the impeller is used as a fan impeller, ...

Embodiment 2

[0042] Embodiment 2 (impeller with casing)

[0043] see image 3 , Figure 4 , Figure 5 and Figure 6, the present embodiment provides an impeller, including a front disc, a rear disc, and guide vanes distributed in an array between the front disc and the rear disc, the guide vanes are trapezoidal straight plates, and one end of the upper bottom of the guide vanes It is connected with the end face of the front plate, and one end of the lower bottom edge of the guide vane is connected with the rear plate.

[0044] The end faces where the upper bottom edge of the deflector is located are all located on the annular end face of the front plate; the outer surface of the rear plate is connected with the inner wall of the deflector near the lower bottom edge; both the front plate and the rear plate are annular plates, and the center hole of the front plate is the fluid input port (if the fluid is gas and the impeller is used as a fan impeller, the input port is the air inlet), a...

Embodiment 3

[0052] On the basis of Embodiment 1 or 2, the number of guide vanes is further limited; the number of guide vanes is 2-1200 pieces, preferably, the number of guide vanes needs to be determined according to the maximum diameter of the impeller, and the maximum diameter of the impeller The ratio to the number of leaves is 5:1.

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Abstract

The invention discloses an impeller, which comprises a front disc, a rear disc, and guide fins disposed between the front disc and the rear disc in an array type. The end faces of the discs are connected, and one end of the lower bottom edge of the guide vane is connected with the rear disc. The beneficial effects of the present invention are: the impeller of the present invention has many types of conveying fluids and a wide range of applicable environments, not only has the advantages of large fluid flow rate, but also has the advantages of high efficiency, high pressure and small volume; it can be manufactured by one-time molding process , without assembly and welding, the process is simplified, mass production is possible, and the production cost is low.

Description

technical field [0001] The invention relates to the technical field of power machinery, in particular to an impeller, in particular to a straight-flow conical centrifugal impeller capable of transporting fluids such as gaseous state and liquid state, which advances forward and then exits, and a fluid conveying device containing the impeller. Background technique [0002] The fan is a power machine that converts the rotating mechanical energy into the kinetic energy and potential energy of the gas, and transports the gas out. It is a driven fluid machine. Fan is the customary abbreviation for gas compression and gas conveying machinery in China. Fans are widely used in factories, mines, tunnels, cooling towers, vehicles, ships and buildings for ventilation, dust removal and cooling, as well as for ventilation and induction of boilers and industrial furnaces. Wind; cooling and ventilation in air-conditioning equipment and household electrical equipment; drying and sorting of g...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F04D25/08F04D17/16F04D29/30
CPCF04D25/08F04D17/16F04D29/30
Inventor 邴德城
Owner DEZHOU BINGTIAN ELECTROMECHANICAL TECH CO LTD
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