| 摘要 |
<p>A system for using two-position three-way valves to control pressurized-air to extract and dispose of excrement, comprising an air pressure transport device (1), two two-position three-way valves (5, 6), a transfer container (12) and a plurality of pipes. An air inlet pipe (11) is provided at the air inlet of the air-pressure transport device (1), and an air delivery pipe (13) is provided at the air outlet of the air-pressure transport device (1). A first pipe (7) is connected to the air inlet pipe (11). One end of a second pipe (8) is in communication with the first pipe (7). The other end of the second pipe (8) is connected to the transfer container (12). A second two-position three-way valve (5) is provided between the air delivery pipe (13) and a fourth pipe (16). Compared to vacuum-type excrement extraction systems and apparatus, the present system for extracting and disposing of excrement is simple in structure; allows excrement storage apparatus to use pressurized air to extract and flush out excrement; provides for an excrement extraction process that is free of odorous leaks; is environmentally friendly; is simple to maintain and operate; increases greatly the depth from which excrement can be extracted; reduces transfer container material and labor requirements; and reduces apparatus manufacturing cost.</p> |
