Vacuum extraction device for water and gas in soil
The utility model provides a vacuum extraction device for soil water and gas. The soil water and gas vacuum extraction device comprises a vacuum pump, a first hose, a valve, a collecting device and a limiting device. According to the vacuum extraction device for soil water and gas, the sleeve, the u...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | The utility model provides a vacuum extraction device for soil water and gas. The soil water and gas vacuum extraction device comprises a vacuum pump, a first hose, a valve, a collecting device and a limiting device. According to the vacuum extraction device for soil water and gas, the sleeve, the upper connecting ring, the limiting hole, the lower connecting ring and the movable belt are matched with one another, the second hose is wound around the area, located between the upper connecting ring and the lower connecting ring, of the sleeve, the lower connecting ring is rotated, and after the movable belt is rotated to the position where the end of the second hose is located, the second hose is driven to rotate. When a second hose is wound, an inserting plate is inserted into a limiting hole in a penetrating mode, an oxford cloth strip is tensioned, then the loop face of a hook-and-loop fastener adheres to the hook face of the hook-and-loop fastener, the effect of limiting the wound second hose is achieved, t |
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