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Sound reducing box of single-stage high-speed blower

A blower and silencer box technology, which is applied in the direction of mechanical equipment, machine/engine, liquid fuel engine, etc., can solve the problems that the fan cannot work, the fan cannot dissipate heat in time, and the ventilation effect is poor, so as to achieve the effect of easy transportation and installation

Inactive Publication Date: 2014-03-19
SHANXI JULONG FAN & BLOWERS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The single-stage high-speed blower is a kind of high-pressure ventilation equipment. When it is running, the motor and impeller will generate a lot of noise and high temperature. If the fan is isolated and silenced with a closed structure, the ventilation effect will be extremely poor, so that the fan cannot be timely Heat dissipation, especially when the temperature is too high in summer, the fan can hardly work

Method used

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  • Sound reducing box of single-stage high-speed blower
  • Sound reducing box of single-stage high-speed blower
  • Sound reducing box of single-stage high-speed blower

Examples

Experimental program
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Effect test

Embodiment 1

[0015] Example 1, figure 1 It is a structural schematic diagram of the present invention, figure 2 A schematic diagram showing the internal structure of the box, image 3 It is another azimuth view equipped with an axial flow fan, Figure 4 for image 3 Another azimuth view of the present embodiment is a single-stage high-speed blower silencer box, which is composed of a box body, a cooling air inlet hole 7, a cooling air outlet pipe 8, and an axial flow fan 13. The box body is composed of a top plate 1, a left side Board 2, front board 3, right side board 4, back board 5 and frame 6; top board 1 is equipped with cooling air outlet pipe 8, and there are installation holes for blower outlet pipe 10; cooling air outlet pipe 8 is installed There is an axial flow fan 13; the cooling air inlet hole 7 is opened on the left side panel 2; the front panel 3 and the back panel 5 are provided with a door leaf, the door leaf is equipped with a door bolt handle 11, and the back panel 5...

Embodiment 2

[0016] Example 2, the above-mentioned single-stage high-speed blower silencer box, the inside of the box and the door leaf are made of sound-absorbing orifice plates, and the outside is made of galvanized plates, and the space between the sound-absorbing orifice plates and the galvanized plates is filled with sound-insulating materials.

Embodiment 3

[0017] Embodiment 3, a single-stage high-speed blower silencer box described above, the box body is assembled from unit modules, the top plate 1 is divided into a plurality of unit modules, and one of the unit modules is equipped with a cooling air outlet pipe 8 , the other unit module has a blower outlet pipe 10 installation holes; the front panel 3 and the back panel 5 are door unit modules, the left panel 2 and the right panel 3 are independent opening unit modules, and the frame 6 is an independent unit Modules, select unit modules and quantities of different specifications according to the size of the fan, and assemble them on the frame 6, which is designed to be convenient for transportation and installation.

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Abstract

A sound reducing box of a single-stage high-speed blower comprises a box body, a cooling air inlet hole, a cooling air outlet pipe and an axial-flow fan, wherein the inner sides of both the box body and the door leaves adopt sound reducing pore plates, while the outer sides of both the box body and the door leaves adopt galvanized plates; sound insulating materials are packed between the sound reducing pore plates and the galvanized plates. The sound reducing box covers the single-stage high-speed blower to achieve a sound reducing function; the cooling air inlet hole in one side of the box body and the axial-flow fan mounted on the cooling air outlet pipe at the top of the box body form a forced air cooling system so as to keep the circulation between the interior of the box body and the external air and achieve the purpose of cooling by the blower; with the door leaves on the box body, in case of blower failure, a maintenance worker can open the door leaves to maintain and debug the blower; the box body is assembled with a plurality of groups of unit modules, and assembly can be performed by unit modules of different specifications and different numbers according to the size of the blower, so that the transportation and mounting are facilitated.

Description

technical field [0001] The invention relates to a single-stage high-speed blower noise reduction device. Background technique [0002] The single-stage high-speed blower is a kind of high-pressure ventilation equipment. When it is running, the motor and impeller will generate a lot of noise and high temperature. If the fan is isolated and silenced with a closed structure, the ventilation effect will be extremely poor, so that the fan cannot be timely Heat dissipation, especially when the temperature is too high in summer, the fan can hardly work. Contents of the invention [0003] The purpose of the present invention is to overcome the deficiencies in the prior art, and provide a single-stage high-speed blower sound-absorbing box which can not only eliminate noise but also keep the fan cooling. [0004] In order to achieve the above object, the technical solution adopted in the present invention is: a single-stage high-speed blower soundproof box, which is composed of a b...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F04D29/66
Inventor 谢海军张和义郑新华李春萍许建锋石磊
Owner SHANXI JULONG FAN & BLOWERS
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