Vibration of air duct. Because the air duct material is galvanized sheet or metal material, the steel plate thickness and construction process shall be selected strictly according to the construction inspection standard, such as air duct fabrication error, flatness and air duct reinforcement The front and back of the electric fan shall be more than 5m long as possible. Assuming that the number of elbows can be increased and the noise can be reduced, the air outlet is equipped with a filter screen, and the noise control function is also very good.

風(fēng)機(jī)的動(dòng)靜。處理方法我們一般可裝消聲器處理

Dynamic and static of fan. Treatment method we can generally install muffler for treatment

風(fēng)管zhong風(fēng)的沖突聲。一般在規(guī)劃階段就要考慮噪聲的問(wèn)題，規(guī)劃操控好管內(nèi)風(fēng)速，防止風(fēng)聲嘯叫

Duct zhongthe clash sound of the wind. Generally, the noise problem should be considered in the planning stage, and the wind speed in the pipe should be planned and controlled to prevent wind howling

1操控出風(fēng)、回風(fēng)間隔，防止空氣對(duì)流時(shí)自激表象和小循環(huán)空間。

1. Control the air outlet and return intervals to prevent self-excited appearance and small circulation space during air convection.

2、螺旋風(fēng)管風(fēng)機(jī)葉輪體系動(dòng)平衡校調(diào)合理正常正負(fù)不大于5絲的高低。

2. The dynamic balance adjustment of spiral duct fan impeller system is reasonable, and the positive and negative are not greater than 5 wires.

3、軟接頭設(shè)備標(biāo)準(zhǔn)，防止軟接帆布松垮發(fā)生風(fēng)阻而形成風(fēng)噪。

3. Flexible joint equipment standard to prevent wind resistance and wind noise caused by loose flexible joint canvas.

4、懸掛選用趁便繃簧避震專職的連接器，減輕作業(yè)時(shí)因扭力發(fā)生的跳動(dòng)或共頻。

4. The suspension adopts the full-time connector of tension spring shock absorber to reduce the runout or common frequency caused by torque during operation.

5、螺旋風(fēng)管風(fēng)道轉(zhuǎn)角盡量削減

5. The air duct corner of spiral duct shall be reduced as much as possible

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