Three-twisted-blade Roots type power machine power generation device

A technology for power generation devices and power machines, which is applied to rotary piston engines, intermeshing engines, engine components, etc., can solve problems such as low meshing coincidence of straight-blade rotors, large flow pulsation and impact noise, and poor rotor meshing smoothness. , to achieve the effect of improving the area utilization coefficient, reducing the airflow pulsation and running smoothly

Pending Publication Date: 2019-04-05
HEBEI UNIV OF TECH +1
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0004] 1. During the rotation of the straight blade rotor, the low-pressure area repeatedly appears and disappears, and the flow pulsation is large, resulting in large flow pulsation and impact noise;
[0005] 2. The meshing degree of the straight blade rotor is low, the smoothness of the rotor meshing is poor, and the steam flow pulsation is obvious;
[0007] "A Three-lo

Method used

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  • Three-twisted-blade Roots type power machine power generation device
  • Three-twisted-blade Roots type power machine power generation device
  • Three-twisted-blade Roots type power machine power generation device

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Embodiment Construction

[0053] Specific examples of the present invention are given below. The specific embodiments are only used to describe the present invention in detail, and do not limit the protection scope of the present application.

[0054] The Roots-type power generator power generation device of the present invention is a volumetric rotating machine, relying on low-quality waste heat to do work to push the meshing rotor to expand and do work, convert steam heat energy into mechanical energy, and the rotor drives the output shaft to rotate and do work to further convert the mechanical energy into electrical energy; its core components are The rotor 1 and the casing 3; the rotor adopts a pair of meshing three-lobed twisted-blade rotors 1, saturated steam enters the cavity, and the pressure difference pushes the rotor 1 to expand and do work; the casing structure 3 is relatively complicated, and the casing The shape of the air inlet 3.1 and the air outlet 3.2 has a particularly serious impact...

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Abstract

The invention provides a three-twisted-blade Roots type power machine power generation device. The three-twisted-blade Roots type power machine power generation device is a volumetric rotary machine,the three-twisted-blade Roots type power machine power generation device comprises rotors and a machine shell, the pair of meshed three-twisted-blade rotors are adopted by the rotor, the three-twisted-blade rotors adopts novel wires, the half of a molded line on the single tooth of each rotor is an arc-shaped AB-straight line BC-involute CD-straight line DE-arc-shaped EF-opposite rolling FG shapedline. The power generation device uses low-quality waste heat to act to push the meshing rotors to expand and act, steam heat energy is converted into mechanical energy, the rotors drive output shafts to rotate to do work, the mechanical energy is further converted into electric energy, machining is easy, the area utilization coefficient is high, the meshing superposition degree is higher, and the operation is more stable.

Description

technical field [0001] The invention designs a novel industrial waste heat recovery power generation device, specifically a three-leaf twisted-lobe Roots power generator power generation device. Background technique [0002] At present, the energy problem needs to be solved urgently. Industrial waste heat is still a kind of renewable energy with great application potential in industrial production. There is a large amount of low-pressure saturated steam in it for secondary development and utilization. The study found that the use of small Roots-type power generators can realize the recovery and utilization of low-quality waste heat steam, in which the rotor is the core component. In the prior art, small steam generators mainly use two-blade straight-blade rotors and three-blade straight-blade rotors. When the base circle volume of a closed straight blade rotor moves from the air inlet to the air outlet, the moment the gap opens, the pressure steam in the base circle volume i...

Claims

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Application Information

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IPC IPC(8): F01C1/12F01C13/00F01C21/18F01C1/08
CPCF01C1/082F01C1/126F01C13/00F01C21/18
Inventor 肖艳军王姝玉高静孟召宗高楠
Owner HEBEI UNIV OF TECH
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