介紹了用于山東通風(fēng)管道標(biāo)識(shí)風(fēng)壓計(jì)算方法

發(fā)布人：http://m.hwzxw.net   發(fā)布時(shí)間：2019-07-16 16:49:37

　　風(fēng)壓計(jì)算用的風(fēng)道標(biāo)簽是什么?，長(zhǎng)距離掘進(jìn)巷道通風(fēng)時(shí)，風(fēng)道進(jìn)、出口風(fēng)量差和風(fēng)壓差較大。為了選擇合理的風(fēng)機(jī)通風(fēng)方式，有必要研究風(fēng)道風(fēng)量和風(fēng)壓的變化規(guī)律。傳統(tǒng)的方法是通過(guò)經(jīng)驗(yàn)或?qū)嶒?yàn)得到管道接頭的平均泄漏風(fēng)量，從而計(jì)算進(jìn)氣道的風(fēng)量和壓力。但是，對(duì)于長(zhǎng)距離通風(fēng)和各風(fēng)道體積小，該方法計(jì)算的參數(shù)相對(duì)較小，會(huì)造成風(fēng)機(jī)選型誤差。

　　What is the label of the air duct used for calculating the air pressure? When ventilating long-distance tunnels, the air volume difference between the inlet and outlet of the air duct and the air pressure difference are large. In order to choose a reasonable ventilation mode of fan, it is necessary to study the variation law of air volume and pressure in the duct. The traditional method is to get the average leakage air volume of the pipe joint through experience or experiment, so as to calculate the air volume and pressure of the intake port. However, for the long-distance ventilation and the small volume of each duct, the parameters calculated by this method are relatively small, which will cause the error of fan selection.

　　山東通風(fēng)管道

　　Shandong Ventilation Pipeline

　　根據(jù)風(fēng)量和空氣壓力平衡定律,風(fēng)量的關(guān)系,空氣壓力和進(jìn)氣口的空氣出口推導(dǎo)出根據(jù)不連續(xù)通風(fēng)網(wǎng)絡(luò)模型,并給出簡(jiǎn)化的近似關(guān)系作為一種新的方法來(lái)計(jì)算通風(fēng)參數(shù)的風(fēng)道。結(jié)合具體算例，發(fā)現(xiàn)參數(shù)的近似值與精確值高度相似，說(shuō)明可以用近似關(guān)系進(jìn)行計(jì)算，簡(jiǎn)單方便。結(jié)果表明，采用該方法計(jì)算長(zhǎng)距離隧道的風(fēng)量和風(fēng)壓更加科學(xué)。

　　According to the law of air volume and air pressure balance, the relationship between air volume, air pressure and air outlet of air inlet, the model of discontinuous ventilation network is deduced, and the simplified approximate relationship is given as a new method to calculate the ventilation parameters of air duct. Combining with a specific example, it is found that the approximate values of the parameters are highly similar to the exact values, which indicates that the approximate relationship can be used to calculate the parameters, which is simple and convenient. The results show that the method is more scientific in calculating wind volume and pressure of long-distance tunnels.

　　山東通風(fēng)管道

　　Shandong Ventilation Pipeline

　　通風(fēng)機(jī)是一種耗能大、體積大、占地面積廣的設(shè)備。為節(jié)約風(fēng)機(jī)能耗，降低運(yùn)行成本，當(dāng)前應(yīng)重視通風(fēng)空調(diào)系統(tǒng)的優(yōu)化技術(shù)，以降低系統(tǒng)風(fēng)道壓降和消耗，合理匹配和優(yōu)化運(yùn)行調(diào)節(jié)。作者發(fā)現(xiàn),從風(fēng)機(jī)現(xiàn)場(chǎng)售后服務(wù)質(zhì)量問(wèn)題之前,業(yè)主決定,風(fēng)扇,風(fēng)扇使用現(xiàn)場(chǎng)調(diào)查,結(jié)果相當(dāng)部分是不合理的通風(fēng)系統(tǒng)設(shè)計(jì)、制造、安裝和導(dǎo)致風(fēng)機(jī)運(yùn)行異常,出現(xiàn)通風(fēng)機(jī)性能不能滿足設(shè)計(jì)要求,過(guò)量的噪音、振動(dòng)葉片斷裂問(wèn)題的通風(fēng)系統(tǒng)改革后,風(fēng)機(jī)正常運(yùn)行。

　　Fan is a kind of equipment with large energy consumption, large volume and wide area. In order to save energy consumption of fans and reduce operating costs, attention should be paid to the optimization technology of ventilation and air conditioning system, in order to reduce the pressure drop and consumption of air ducts, rationally match and optimize operation regulation. The author found that before the quality of after-sales service of fans, the owners decided to investigate the use of fans and fans. The results showed that quite a part of unreasonable ventilation system design, manufacture, installation and abnormal operation of fans resulted in the failure of fan performance to meet the design requirements, excessive noise and ventilation with vibration blade breakage. After the system reform, the fan operates normally.

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