旋轉(zhuǎn)供料器是氣力輸送系統(tǒng)里的常用設(shè)備，在中低壓壓送系統(tǒng)中可當(dāng)作供料器使用；在除塵系統(tǒng)末端能作為卸料器，且在排卸過(guò)程中能阻擋外界空氣進(jìn)入系統(tǒng)，起到減少漏氣的作用。

　　Rotary feeder is a commonly used equipment in pneumatic conveying systems and can be used as a feeder in medium and low pressure conveying systems; At the end of the dust removal system, it can serve as an unloader and block external air from entering the system during the discharge process, reducing air leakage.

　　旋轉(zhuǎn)供料器在氣力輸送系統(tǒng)中使用較為頻繁，出現(xiàn)問(wèn)題是很正常的，結(jié)合長(zhǎng)期的實(shí)踐經(jīng)驗(yàn)，整理出了旋轉(zhuǎn)供料器的常見(jiàn)故障及解決辦法。在講故障及解決辦法之前，先說(shuō)說(shuō)旋轉(zhuǎn)供料器使用時(shí)的注意要點(diǎn)：

　　Rotating feeders are frequently used in pneumatic conveying systems, and it is normal for problems to occur. Based on long-term practical experience, common faults and solutions of rotating feeders have been summarized. Before discussing the faults and solutions, let's first talk about the key points to note when using the rotary feeder:

　　1. 安裝旋轉(zhuǎn)供料器機(jī)組時(shí)，要預(yù)留出便于維修的空間；

　　When installing the rotary feeder unit, space should be reserved for easy maintenance;

　　2. 供料器機(jī)組屬于精密設(shè)備，不要把上部壓力以及連接管道的應(yīng)力等附加力傳遞給主機(jī)；

　　2. The feeder unit is a precision equipment, so do not transmit additional forces such as upper pressure and stress from connecting pipelines to the host;

　　3. 要考慮熱膨脹對(duì)該旋轉(zhuǎn)供料器機(jī)組的影響，盡量將其降到最低，建議使用彈性節(jié)；

　　3. Consider the impact of thermal expansion on the rotating feeder unit and minimize it as much as possible. It is recommended to use elastic joints;

　　4. 清洗及氣封裝置應(yīng)配備必要的減壓裝置和氣量調(diào)節(jié)裝置，保證氣體的品質(zhì)符合要求。

　　4. The cleaning and sealing devices should be equipped with necessary pressure reducing devices and gas volume regulating devices to ensure that the quality of the gas meets the requirements.

　　這些方面有助于延長(zhǎng)旋轉(zhuǎn)供料器的使用壽命，也方便進(jìn)行維護(hù)，下面來(lái)說(shuō)說(shuō)氣力輸送設(shè)備中旋轉(zhuǎn)供料器的常見(jiàn)故障及解決辦法：

　　These aspects help to extend the service life of the rotary feeder and facilitate maintenance. Below are common faults and solutions of the rotary feeder in pneumatic conveying equipment:

　　1. 雜音：產(chǎn)生這種現(xiàn)象的原因主要有三個(gè)方面，一是轉(zhuǎn)子與側(cè)板之間滯留了所輸送的粉粒物料；二是機(jī)殼與轉(zhuǎn)子間隙過(guò)小，導(dǎo)致兩者接觸；三是機(jī)殼內(nèi)表面附著有粉料，或者粉料融化，使得轉(zhuǎn)子與機(jī)殼之間的間隙消失。解決雜音現(xiàn)象的方法，一是從側(cè)面絲堵部位進(jìn)行氣體沖洗；二是擴(kuò)大間隙，使其達(dá)到合適的大小；三是縮小轉(zhuǎn)子端面面積。

　　1. Noise: There are three main reasons for this phenomenon. Firstly, the powder particles being transported are trapped between the rotor and the side plate; Secondly, the clearance between the casing and the rotor is too small, resulting in contact between the two; The third reason is that there is powder attached to the inner surface of the casing, or the powder melts, causing the gap between the rotor and the casing to disappear. The method to solve the noise phenomenon is to perform gas flushing from the side plug area; The second is to expand the gap to a suitable size; The third is to reduce the surface area of the rotor end face.

　　2. 振動(dòng)：出現(xiàn)這種現(xiàn)象主要是因?yàn)殒湕l過(guò)緊，適當(dāng)將鏈條調(diào)松即可。

　　2. Vibration: The main reason for this phenomenon is that the chain is too tight. Loosen the chain appropriately.

　　3. 供料量不足：一是由于泄漏氣體的作用，阻礙了粉粒物料下落；二是粉粒體物料的容重和設(shè)計(jì)值不一樣。對(duì)于第一種故障，采用抽氣措施就能解決；第二種則需要提高轉(zhuǎn)速，使其達(dá)到合適的轉(zhuǎn)速。

　　3. Insufficient supply: Firstly, due to the effect of gas leakage, it hinders the falling of powdered materials; The second reason is that the bulk density and design value of powdered materials are different. For the first type of fault, using exhaust measures can solve it; The second method requires increasing the rotational speed to reach an appropriate level.

　　4. 卡料：此故障主要是由于配管不當(dāng)，導(dǎo)致機(jī)殼變形，或者溫度升高超過(guò)了間隙設(shè)計(jì)的溫度；解決方法是在供料器的正上方或正下方使用軟管；擴(kuò)大間隙，使其達(dá)到合適的大小。

　　4. Material jamming: This fault is mainly caused by improper piping, resulting in deformation of the casing, or temperature rise exceeding the designed gap temperature; The solution is to use a hose directly above or below the feeder; Expand the gap to achieve the appropriate size.

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