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Rectangular wind-pipe separate converging-rectifying three-way pipe

A separate and air duct technology, applied in the direction of fluid flow, pipes, pipeline layout, etc., can solve problems such as uneven fluid flow velocity, affecting indoor air distribution, and comfort that cannot meet design requirements

Inactive Publication Date: 2011-02-16
XI'AN UNIVERSITY OF ARCHITECTURE AND TECHNOLOGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This means that the fluid flow rate is not uniform
In the field of HVAC, if this part of the fluid is directly sent into the room, it will affect the indoor air distribution, so that the actual indoor comfort cannot meet the design requirements

Method used

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  • Rectangular wind-pipe separate converging-rectifying three-way pipe
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  • Rectangular wind-pipe separate converging-rectifying three-way pipe

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specific Embodiment

[0039] Specific embodiments of the present invention are provided below, and it should be noted that the present invention is not limited to the following specific embodiments, and all equivalent transformations done on the basis of the technical solutions of the present application all fall within the scope of protection of the present invention.

[0040] Following the above-mentioned technical scheme, taking the optimization process of the rectangular air duct split-type confluent tee for central air-conditioning duct connection as an example, first determine the size of each part of the duct, in which the size of the inlet section of the duct is 300mm×300mm, and the size of the outlet section is 600mm×300mm , the curvature of the curved confluence section is 1.5, the length of the rectifying section is 300mm, the length of the rectifying blades in the rectifying section is 100mm, and the length of the guide vanes is 300mm. Then the discrete format of the momentum equation an...

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Abstract

The invention discloses a rectangular wind-pipe separate converging-rectifying three-way pipe which comprises a first inlet segment, a second inlet segment and an outlet segment, wherein the extension lines of the first inlet segment and the second inlet segment form an included angle of 90 degrees, the lower end of the first inlet segment is connected with a linear converging segment, one side of the second inlet segment is connected with a flexural converging segment, the linear converging segment and the flexural converging segment are both connected with a buffer segment, and a rectifying segment connected with the outlet segment is arranged below the buffer segment; and rectifying vanes are arranged at the upper end in the rectifying segment, and each rectifying vane is provided with a guide vane to divide the rectifying segment into five fluid passages with equal size. The unique design of the invention eliminates the speed layering formed after a fluid passes through the rectangular wind-pipe separate converging three-way pipe to finally achieve the purpose of rectifying the fluid after passing through the rectangular wind-pipe separate converging three-way pipe.

Description

technical field [0001] The invention relates to a confluence tee component, in particular to a rectangular air duct separation type confluence and rectification tee. Background technique [0002] The confluence tee is a very common pipe fitting that changes the flow direction of the fluid and merges in the fluid machinery of HVAC power. When the curved pipe section (before the end of the bend) transitions to the straight section of the pipe, the pressure on the outer arc surface increases and the pressure on the inner arc surface decreases. Therefore, the flow velocity of the fluid at the outer dome will decrease, while the flow velocity of the fluid at the inner dome will correspondingly increase. Therefore, the diffusion effect appears near the outer arc surface, while the contraction effect appears near the inner arc surface. When the fluid transitions from a straight pipe section (after turning) to a curved pipe section, the opposite phenomenon occurs, that is, a diffu...

Claims

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Application Information

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IPC IPC(8): F16L41/02F24F13/02F15D1/04
Inventor 李安桂高然邱国志雷文君郝鑫鹏
Owner XI'AN UNIVERSITY OF ARCHITECTURE AND TECHNOLOGY
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