自上料攪拌車是生產混凝土重要的設備,好多人在使用時不注意保養,用著用著就發現自上料攪拌車運行效率降低,卻不知道是什么原因?造成自上料攪拌車運行效率降低的主要原因有一下方面:
Self loading mixer truck is an important equipment for concrete production. Many people do not pay attention to maintenance when using it. When using it, they find that the operation efficiency of self loading mixer truck is reduced, but they don't know why? The main reasons for the reduction of the operation efficiency of the self loading mixer are as follows:
1.濾芯與油液的相容性。自上料攪拌車中既包含有金屬過濾元件,也有占大多數的非金屬過濾元件.它們都存在著是否能與系統中油液相容的問題。其中包括化學變化與熱效應變化的相容問題。尤其是在高溫條件下能否不受影響更為重要。因此,各種過濾元件都需要在高溫下進行油液相容性試驗。
1. Compatibility between filter element and oil. The self loading mixer contains both metal filter elements and most non-metallic filter elements. They all have the problem of compatibility with the oil in the system. This includes the compatibility between chemical changes and thermal effects. In particular, whether it can not be affected under high temperature conditions is more important. Therefore, all kinds of filter elements need to be tested for oil compatibility at high temperature.
2.低溫工作的影響。系統在低溫下工作也對自上料攪拌車有不利的影響。因為在低溫時,過濾元件中有些非金屬材料會變得更脆弱;而且在低溫時,油液黏度的大會引起壓力降升高非常容易引起介質材料產生裂縫。
2. Impact of low temperature operation. The operation of the system at low temperature also has an adverse impact on the self loading mixer. Because at low temperature, some non-metallic materials in the filter element will become more fragile; Moreover, at low temperature, the increase of pressure drop caused by the general assembly of oil viscosity is very easy to cause cracks in medium materials.
3.油液的周期性流動。系統中的油液流動通常都是不穩定的。在流量發生變化時,會引起濾芯的彎曲變形。在有周期性流動的情況下,由于濾芯介質材料的多次反復變形,會引起材料的疲勞破壞形成疲勞裂縫。使用自上料攪拌車時要養成良好的習慣,定期保養。
3. Periodic flow of oil. The oil flow in the system is usually unstable. When the flow rate changes, it will cause the bending deformation of the filter element. In the case of periodic flow, the repeated deformation of the medium material of the filter element will cause the fatigue failure of the material and form fatigue cracks. When using the self loading mixer, form a good habit and maintain it regularly.
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