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METHOD FOR BURYING HEAT EXCHANGE PIPE FOR UNDERGROUND HEAT
PROBLEM TO BE SOLVED: To make it possible to bury a heat exchange pipe by efficiently lowering the heat exchange pipe even when an obstacle such as a lump of mud exists in a pile hole.SOLUTION: A method for burying a heat exchange pipe for underground heat includes: excavating a pile hole 42 from the ground 41 to bury a concrete precast pile 43 having a hollow 44 into the pile hole 42 (a); inserting a heat exchange pipe 1 with the lower end to which a weight member 20 and propulsion device 10 are attached into the hollow 44 of the precast pile 43 (b), (c); when an obstacle such as a lump of mud exists in the course of its descent, supplying high-pressure water from the ground 41 to a supply pipe 13 to inject high-pressure water upwards from injection ports 12, 12 of the propulsion device 10 (d) before descending to the bottom of the precast pile 43 (e); and stopping the propulsion device 10's injection before drawing up only the propulsion device 10 to the ground 41 while holding the heat exchange pipe 1 on the ground 41 (f).SELECTED DRAWING: Figure 2
【課題】杭穴内に泥塊などの障害物があっても、熱交換パイプを効率良く下降して埋設できる。【解決手段】地上４１から杭穴４２を掘削して、杭穴４２内に中空部４４を有するコンクリート製の既製杭４３を埋設する（ａ）。下端部に錘部材２０及び推進具１０を取り付けた熱交換パイプ１を、既製杭４３の中空部４４に挿入する（ｂ）（ｃ）。下降途中で、泥塊等の障害があった場合には、地上４１から供給パイプ１３に高圧水を供給して、推進具１０の噴射口１２、１２から上方に高圧水を噴射して（ｄ）、既製杭４３の底部まで下降する（ｅ）。推進具１０の噴射を止め熱交換パイプ１を地上４１で保持して、推進具１０のみを地上４１まで引き上げる（ｆ）。【選択図】図２
METHOD FOR BURYING HEAT EXCHANGE PIPE FOR UNDERGROUND HEAT
PROBLEM TO BE SOLVED: To make it possible to bury a heat exchange pipe by efficiently lowering the heat exchange pipe even when an obstacle such as a lump of mud exists in a pile hole.SOLUTION: A method for burying a heat exchange pipe for underground heat includes: excavating a pile hole 42 from the ground 41 to bury a concrete precast pile 43 having a hollow 44 into the pile hole 42 (a); inserting a heat exchange pipe 1 with the lower end to which a weight member 20 and propulsion device 10 are attached into the hollow 44 of the precast pile 43 (b), (c); when an obstacle such as a lump of mud exists in the course of its descent, supplying high-pressure water from the ground 41 to a supply pipe 13 to inject high-pressure water upwards from injection ports 12, 12 of the propulsion device 10 (d) before descending to the bottom of the precast pile 43 (e); and stopping the propulsion device 10's injection before drawing up only the propulsion device 10 to the ground 41 while holding the heat exchange pipe 1 on the ground 41 (f).SELECTED DRAWING: Figure 2
【課題】杭穴内に泥塊などの障害物があっても、熱交換パイプを効率良く下降して埋設できる。【解決手段】地上４１から杭穴４２を掘削して、杭穴４２内に中空部４４を有するコンクリート製の既製杭４３を埋設する（ａ）。下端部に錘部材２０及び推進具１０を取り付けた熱交換パイプ１を、既製杭４３の中空部４４に挿入する（ｂ）（ｃ）。下降途中で、泥塊等の障害があった場合には、地上４１から供給パイプ１３に高圧水を供給して、推進具１０の噴射口１２、１２から上方に高圧水を噴射して（ｄ）、既製杭４３の底部まで下降する（ｅ）。推進具１０の噴射を止め熱交換パイプ１を地上４１で保持して、推進具１０のみを地上４１まで引き上げる（ｆ）。【選択図】図２
METHOD FOR BURYING HEAT EXCHANGE PIPE FOR UNDERGROUND HEAT
地中熱の熱交換パイプの埋設方法
HASHIZUME YOSHIMITSU (author)
2017-06-01
Patent
Electronic Resource
Japanese
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