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以上是油池的大概情形,下面再讲油池的附件。 (一)油池里的升降滑动管。油存在油池里面很自然的会产生一种沉澱作用。因为油里面含有杂质及水,经过较长时间的存放,杂质与水都比油重而下沉,经过沉澱的油自然是越距离液面近油越清洁。因此在发油的时候,自然应当先将已沉清的好油发出去,使其余的油再继续沉澱。升降滑动管就是为了用来汲取上面一层油,以提高油的品质。同时升降滑动管对于进油的工作也有好处,因为在进油时泵油速度可能很大,使用滑动管,可以将油引到油面上,便不会把池底的垃圾冲得翻腾起来,这样可以减少沉澱的时间。一般的成品油池都应该有这种设備(见本刊三月号54页上的图1、2、3)。 (二)量油设備。如何确定油池中的存油量,一般
The above is the approximate situation of the oil pool, and then the oil pool attachment. (i) Lifting and sliding pipes in the oil pool. The presence of oil in the oil pool is very natural and produces a precipitation effect. Because the oil contains impurities and water, after a long period of storage, the impurities and water are heavier than the oil, and the precipitated oil is naturally more clean from oil near the liquid surface. Therefore, at the time of oil delivery, it is natural that the good oil that has already been cleared should be sent out first so that the remaining oil can continue to precipitate. Lifting the slide tube is to draw the upper layer of oil to improve the oil quality. At the same time lifting the slide tube is also good for the oil inlet, because the oil pumping speed may be very high. When using the slide tube, the oil can be led to the oil surface, and the garbage at the bottom of the pool will not be washed up. This will reduce the precipitation time. The general product oil pool should have this type of equipment (see Figures 1, 2, and 3 on March 54 of this issue). (B) oil equipment. How to determine the amount of oil in the oil pool, generally