筒仓是混凝土生产的良好贮料形式,但使骨料和水泥迅速而又准确地外卸的问题还未解决。二次大战结束以后,建筑业的发展要求混凝土生产自动化,然而料仓往往不能及时把所贮存的材料自动地供给生产的需要。目前,料仓的排料方法,一般是以重力为基础,即利用卸料时的坠落冲力排料,但实践证明,这种做法并不成功。效果良好的设计(图1),首先要考虑材料的流动特征,把料仓壁做得特别陡峭,并且对仓壁的构造作某些规定,例如要采用光滑的不锈钢板或环氧树脂做衬里等。此外,还考虑材料坠落时,应在它的整个横截面上有均匀一致的垂直坠落速度,从而使材料成批地往下 Silo is a good form of storage for concrete production, but the problem of quick and accurate external unloading of aggregate and cement has not yet been solved. After the end of World War II, the development of the construction industry required the automation of concrete production. However, silos often cannot timely supply the stored materials to the needs of production. At present, the discharging method of the silo is generally based on gravity, that is, using the falling impact force during discharge, but practice has proved that this method is not successful. For a well-designed design (Figure 1), the flow characteristics of the material must first be considered, the silo walls must be made particularly steep, and some provisions must be made for the structure of the silo wall, for example, lining with a smooth stainless steel plate or epoxy resin. Wait. In addition, it is also considered that when the material is dropped, it should have a uniform vertical drop speed across its entire cross-section so that the material can be batched down.