Layout muffling device for large-sized air cooling fan
A technology of noise reduction device and air cooler, which is applied to components of pumping devices for elastic fluids, mechanical equipment, non-variable pumps, etc. The problem of high power consumption can be solved, and the effect of improving the air intake field and fan efficiency can be achieved.
Inactive Publication Date: 2013-02-13
江苏中联风能机械股份有限公司
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Problems solved by technology
[0002] Large-scale air-cooling fans are mainly used in power plants, cement plants, machinery factories, etc. This kind of plant is easily affected by the environment. Dust and noise are the main pollution sources. It affects the production and life of the workers in the factory area, and seriously endangers the health of the staff. Therefore, in order to solve the above problems, a new technical bill is provided to meet the demand
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[0011] Such as figure 1 and figure 2 As shown, a large-scale air-cooled fan display type noise reduction device of the present invention includes a motor 1, a fan 2, a fan tube 3 and a muffler 4, a fan 2 is provided at the bottom of the motor 1, and a fan tube 3 is placed outside the fan 2, and the fan tube 3 3 A muffler 4 is provided at the bottom, a transition section 5 is provided between the air cylinder 3 and the muffler 4, a plurality of muffler pipes 6 are evenly arranged in the muffler 4, and a porous plate 7 is provided on the outer surface of the muffler pipe 6, and the porous plate 7 Filled with ultra-fine sound-absorbing cotton.
[0012] The advantages of the present invention are: the height of the muffler in the large-scale air-cooled fan display type muffler is 2000mm, the outer diameter of the muffler section is 550mm×550mm, the inner diameter is 300m×300mm, the display distance is 850mm, and the surface of the muffler is 25mm. The perforated plate with % pe...
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The invention relates to a layout muffling device for a large-sized air cooling fan, which is characterized by comprising a motor, a fan, an air drum and a muffler, wherein the fan is arranged at the bottom of the motor, the fan is sleeved with the air drum, the muffler is arranged at the bottom of the air drum, a transition section is arranged between the air drum and the muffler, a plurality of muffling tubes are uniformly distributed in the muffler, perforated plates are arranged on the outside surfaces of the muffling tubes, and superfine muffling cotton is filled in the perforated plates. The muffling device has the advantages that the heights of the muffling tubes of the muffler in the layout muffling device for the large-sized air cooling fan are 2000mm; the outer diameters of sections of the muffling tubes are 550mm*550mm; the inner diameters of the sections of the muffling tubes are 300mm*300mm; the layout interval is 850mm; the perforated plates with a perforated percentage of 25% are arranged on the surfaces of the muffling tubes; as the muffler is mounted at the middle lower part of the layout muffling device for the large-sized air cooling fan, an inlet airflow field of a fan impeller at the upper part can be improved; the fan efficiency is improved by 2.5%; the space of an air cooling island is fully utilized; and no extra mounting space is required for equipment.
Description
technical field [0001] The invention relates to a noise elimination device, in particular to a large-scale air cooling fan display type noise elimination device. Background technique [0002] Large-scale air-cooling fans are mainly used in power plants, cement plants, machinery factories, etc. This kind of plant is easily affected by the environment. Dust and noise are the main pollution sources. It affects the production and life of the operating workers in the factory area, and seriously endangers the health of the staff. Therefore, in order to solve the above problems, a new technical bill is specially provided to meet the demand. Contents of the invention [0003] The purpose of the present invention is to provide a large-scale air-cooling fan display type noise reduction device. [0004] The technical scheme adopted in the present invention is: [0005] A large-scale air-cooled fan display-type noise reduction device, including a motor, a fan, a blower and a muffler...
Claims
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Inventor 李士成
Owner 江苏中联风能机械股份有限公司