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本发明是关于利用冬季的自然冷水或自然冷气和地基的保冷性,长期储藏大量谷物的一种谷物储藏方法及其装置。以往,谷物储藏装置是在地面上建造储藏筒仓,为了在该储藏筒仓内冷却该储藏筒仓内的谷物,需设置冷却装置,而且为了防止除冬季以外的仓外高温浸入储藏筒仓内,又需把筒仓的外壁建成隔热构造,从而构成能防止储粮品质劣化,可长期储藏大量谷物的仓库结构。因此,这样的谷物储藏装置内,必须有冷却大量谷物的大容量的冷却装置,而且储藏筒仓因为是隔热结构,所以有建造费用高和为了冷却的运输费用多的缺点。本发明正是鉴于上述问题,为提供一种既不使用大容量的冷却装置和隔热构造的储藏筒仓,并能长期储藏大量谷物不使品质劣变的储藏方法及其装置。以下参照第一图对本发明的一个实例进行说明。为便于说明,先讲下实施本发明储藏方法的装置结构。第1图中,1是地基。该地基1内,在与地基1之间留出空间,用导热性能好的材料,如钢材,建造成钢板制的地下筒仓2。也就是说,在地基1和地下筒仓2之间形成空间3。这空间3和地下筒仓2需依靠隔热结构的盖体4把外部即空气隔断。另外,空间3通过管道5与供给泵6接续,用管道7与排出泵8接续。这些泵6、8和管道5、7在冬季等月平均气温不到15℃
The present invention relates to a grain storage method and apparatus for storing a large amount of grain over a long period of time by using natural cold water or natural cold air in winter and cold storage of the foundation. Conventionally, a grain storage device has a storage silo built on the ground. In order to cool the grain in the storage silo in the storage silo, it is necessary to provide a cooling device. In order to prevent the high temperature outside the silt from entering the storage silo , The outer wall of the silo needs to be built into a heat insulating structure to form a warehouse structure that can prevent the quality of the stored grain from deteriorating and can store a large amount of grain for a long time. Therefore, such a grain storage device must have a large-capacity cooling device that cools a large amount of grain, and the storage silo has a disadvantage of high construction cost and high shipping cost for cooling because of the heat insulation structure. In view of the above problems, the present invention has been made in view of the above problems, and provides a storage method and apparatus capable of storing a large amount of cereal for a long period of time without deteriorating its quality without using a storage silo having a large capacity cooling device and a heat insulating structure. An example of the present invention will be described below with reference to the first figure. For the convenience of explanation, the device structure for implementing the storage method of the present invention will be described first. In FIG. 1, 1 is a foundation. Within the foundation 1, there is space between foundation 1 and underground silos 2 made of steel with good thermal conductivity such as steel. That is, a space 3 is formed between the foundation 1 and the underground silo 2. This space 3 and the underground silo 2 depend on the outer cover 4 of the heat insulation structure to cut off the outside air. In addition, the space 3 is connected to the feed pump 6 via a pipe 5, and is connected to the discharge pump 8 via a pipe 7. The monthly average temperature of these pumps 6, 8 and pipes 5, 7 in winter is less than 15 ° C