Some customers have requirements for rotation parameters when consulting the rotary fan. In fact, the speed ratio of the fan affects the air volume. Why are the requirements for the speed ratio higher? Apart from the factors in the field, different speed ratios can meet the same working conditions. However, it is reasonable to choose the fan with the same speed ratio. The higher the speed ratio, the faster the fan will be damaged, and the shorter the service life.

會對大家開展型號選擇要素有許多，如運輸沼液、液化氣等特殊氣體，運輸該類汽體要進行獨特密封性，因此，如果你運輸該類汽體，回轉風機在生產時會有一定的不一樣，密封方式層面會有一定的小差別。如活塞密封性、N4機封、H抽氣密封、K單機封、G型充氮密封性等，不同類型的密封方式工程造價也不盡相同，因此，若您對于此事有一定的規(guī)定，羅茨鼓風機的構造方式上又會有一定的多元化。

There are many factors for model selection, such as transportation of special gases such as marsh liquor and liquefied gas. The transportation of this type of steam requires unique sealing. Therefore, if you transport this type of steam, the rotary fan will be different in production, and there will be certain small differences in sealing methods. For example, piston sealing, N4 mechanical seal, H extraction seal, K single seal, G type nitrogen filling seal, etc., the project cost of different types of sealing methods is also different. Therefore, if you have certain regulations on this matter, the construction methods of Roots blower will be diversified.

這一參數(shù)主要是針對特殊的消費者，常見的便是采用旋轉風機的客戶，自身旋轉風機的噪音值就比羅茨風機的噪音值要低許多，因為有的特定行業(yè)須廢水處理，比如：醫(yī)院門診，我們都知道醫(yī)院的環(huán)境就是你要沉靜，因此，噪音值這一參數(shù)就變得十分關鍵了。一般選購的客戶針對噪音值并沒什么規(guī)定，大部分用以工廠，生產環(huán)境自身噪聲較多，羅茨鼓風機的特點便是：風量覆蓋面廣、壓力覆蓋面廣、經(jīng)濟實用，但就是噪聲不大好處理。如果要處理噪音污染，建議使用絲桿鼓風機。

This parameter is mainly aimed at special consumers. The common one is customers who use rotary fans. The noise value of their own rotary fans is much lower than that of Roots fans, because some specific industries require wastewater treatment, such as hospital outpatient services. We all know that the hospital environment is quiet, so the noise value is a key parameter. Generally, customers who choose to purchase do not have any regulations on the noise value. Most of them are used in factories. The production environment itself has a lot of noise. Roots blowers are characterized by wide air volume coverage, wide pressure coverage, economy and practicality, but the noise is not very good to deal with. If noise pollution is to be handled, it is recommended to use a screw blower.

其實還有很多客戶來詢回轉風機時，都有特定知名企業(yè)風機，或是平時用過某一企業(yè)風機，現(xiàn)在要換一個生產廠家，因此，有時候知名企業(yè)也將成為一個選擇的參數(shù)，如果你在網(wǎng)絡上根據(jù)同類產品聯(lián)系上了大家，請?zhí)崆巴ㄖ蠹夷阈枰囟ㄖ髽I(yè)，如旋轉風機，能夠會提供回轉風機型號規(guī)格我們就能幫你們挑選出適宜你的風機，別的羅茨風機，給予型號與此同時，您很有可能需要提交(電機額定功率、風量、壓力)在其中;2個參數(shù)。

In fact, when many customers come to inquire about the rotary fans, there are fans of specific well-known brands, or they have used fans of a certain brand at ordinary times. Now they need to change the manufacturer. Therefore, sometimes well-known brands will also become a parameter of choice. If you contact everyone on the network according to similar products, please inform everyone in advance that you need specific well-known brands, such as rotary fans, If we can provide the model and specification of the rotary fan, we can help you to select the fan that is suitable for you. For other Roots fans, at the same time, you may need to submit (motor rated power, air volume, pressure) among them; 2 parameters.

大部分廢水處理、水池養(yǎng)殖、蒸氣縮小基本上沒有使用過的客戶都是沒具體參數(shù)，該怎么辦呢?

Most customers who have not used wastewater treatment, pond breeding and steam shrinking basically have no specific parameters. What should we do?

(1)水產品養(yǎng)殖客戶能夠提供(養(yǎng)殖面積及水位)，就能幫助我們推算出壓力及總流量參數(shù)。

(1) Aquaculture customers can provide (aquaculture area and water level), which can help us calculate the pressure and total flow parameters.

(2)廢水處理爆氣用風機，能夠提供蓄水池的(長、寬、高[水位])分別是多少，這樣也能推算出總流量壓力值。

(2) The fan for waste water treatment explosion gas can provide the number of (length, width, height [water level]) of the reservoir, so that the total flow pressure can be calculated.

(3)氣力輸送系統(tǒng)使用的客戶，可以提供(垂直高度，運輸處理量，運輸間距)等參數(shù)，推算出總流量及壓力參數(shù)。

(3) Customers using the pneumatic conveying system can provide such parameters as vertical height, handling capacity and transportation spacing to calculate the total flow and pressure parameters.

(4)污水運用客戶能夠發(fā)放給生產廠家(揮發(fā)處理量、進出口貿易環(huán)境溫度)等

(4) Sewage utilization customers can distribute to manufacturers (volatilization treatment amount, environmental temperature of import and export trade), etc

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