通風(fēng)管道發(fā)生噪音怎樣做好減少噪音？

發(fā)布人：http://rdhw.com.cn   發(fā)布時(shí)間：2021-08-23 18:06:12

一、噪音來源于

1、 The noise comes from

通風(fēng)管道管理體系工作噪音一般來自下列好多個(gè)層面:

The working noise of ventilation pipe management system generally comes from the following levels:

1、通風(fēng)風(fēng)管的晃動(dòng)。由于通風(fēng)風(fēng)管原材料是鍍鋅鋼板或是是金屬?gòu)?fù)合材料，在工程施工時(shí)要不容樂觀依照工程施工檢驗(yàn)標(biāo)準(zhǔn)挑選不銹鋼厚度和施工技術(shù)，例如風(fēng)管制作錯(cuò)漏、豎直度、通風(fēng)風(fēng)管結(jié)構(gòu)加固、抗震支架挑選及制做機(jī)器設(shè)備這些。到工程施工環(huán)節(jié)，通風(fēng)口盡可能不必靠近機(jī)器設(shè)備。電風(fēng)扇前后左右盡可能都是有5米之上的長(zhǎng)短。假設(shè)能夠提升彎管數(shù)量還可以降低噪音，出風(fēng)口改裝濾網(wǎng)，噪音操縱功效也很好。

1. Shaking of ventilation duct. As the raw material of ventilation air duct is galvanized steel sheet or metal composite material, it is not optimistic during project construction. Stainless steel thickness and construction technology shall be selected according to the project construction inspection standards, such as air duct fabrication error and leakage, verticality, ventilation air duct structure reinforcement, seismic support selection and manufacturing machinery and equipment. During the construction phase, the vent shall not be close to the machinery and equipment as much as possible. As far as possible, the electric fan is more than 5 meters long. Assuming that the number of bends can be increased and the noise can be reduced, the filter screen is modified at the air outlet, and the noise control effect is also very good.

2、離心風(fēng)機(jī)的聲響。解決方式 大家一般能裝消音器解決通風(fēng)風(fēng)管腦中風(fēng)的矛盾聲。

2. Sound of centrifugal fan. Solution: we can generally install silencers to solve the contradictory sound of cerebral apoplexy in ventilation ducts.

二、生產(chǎn)制造操縱

2、 Manufacturing manipulation

一般在生產(chǎn)制造環(huán)節(jié)就需要考慮到噪音的難題，整體規(guī)劃操縱好管中風(fēng)力，避免聲響噪音。

Generally, the noise problem needs to be considered in the production and manufacturing process, and the wind force in the pipe shall be well planned and controlled to avoid noise.

1、操縱進(jìn)風(fēng)口、送風(fēng)間距，避免空氣對(duì)流時(shí)自激振蕩現(xiàn)象和小循環(huán)系統(tǒng)室內(nèi)空間。

1. Operate the air inlet and air supply spacing to avoid self-excited oscillation during air convection and indoor space of small circulation system.

2、螺旋風(fēng)管離心葉輪管理體系轉(zhuǎn)子動(dòng)平衡校調(diào)有效一切正常正負(fù)極不超5絲的高矮。

2. The spiral duct centrifugal impeller management system can effectively adjust the rotor dynamic balance, and the height of all normal positive and negative poles does not exceed 5 wires.

3、軟接設(shè)備標(biāo)準(zhǔn)，避免軟接白帆布松馳產(chǎn)生空氣阻力而產(chǎn)生車噪。

3. The flexible connection equipment is standard to avoid the vehicle noise caused by the air resistance caused by the relaxation of the soft connection white canvas.

4、懸架采用趁便繃簧減震職業(yè)的射頻連接器，緩解工作時(shí)易扭矩產(chǎn)生的顫動(dòng)或共頻。

4. The suspension adopts the radio frequency connector that takes advantage of the tension spring to reduce the vibration or common frequency caused by torque during operation.

5、螺旋風(fēng)管風(fēng)管拐角盡可能減少。

5. Spiral duct corners shall be minimized.

三、安裝全過程中的防止

3、 Prevention during the whole installation process

通風(fēng)管道安裝全過程中震動(dòng)和噪音的防止關(guān)鍵從下列好多個(gè)層面下手：

The key to prevent vibration and noise during the whole process of ventilation pipe installation is from the following aspects:

1、離心風(fēng)機(jī)安裝時(shí)按設(shè)計(jì)方案規(guī)定或施工工藝規(guī)定，設(shè)定減震設(shè)備。

1. During the installation of centrifugal fan, damping equipment shall be set according to the provisions of design scheme or construction process.

2、為避免螺旋風(fēng)管震動(dòng)，在每一個(gè)系統(tǒng)軟件螺旋風(fēng)管的拐彎處、與排風(fēng)機(jī)和出風(fēng)口的相接處設(shè)支撐架。

2. In order to avoid the vibration of spiral air duct, support frame shall be set at the corner of spiral air duct of each system software and the connection with exhaust fan and air outlet.

3、離心風(fēng)機(jī)、螺旋風(fēng)管相互連接選用塑料軟管聯(lián)接，離心風(fēng)機(jī)吸入口的塑料軟管安裝要保證緊松適當(dāng)，防止因軟接到松減少進(jìn)通風(fēng)口總面積，而造成噪音和震動(dòng)。

3. The centrifugal fan and spiral air duct shall be connected with each other by plastic hose. The plastic hose at the suction inlet of the centrifugal fan shall be properly tightened and loosened to prevent noise and vibration caused by reducing the total area of the air inlet due to loose connection.

4、螺旋風(fēng)管安裝及與構(gòu)件聯(lián)接，聯(lián)接嚴(yán)實(shí) ，無透風(fēng)狀況，以防造成透風(fēng)噪音。

4. Spiral air duct shall be installed and connected with components tightly without ventilation to prevent ventilation noise.

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