| 摘要 |
FIELD: engines and pumps. ^ SUBSTANCE: pump consists of pressure tight working reservoir with a flat roof and expansion tank, equipped with a siphon discharge and container assembled above the roof, and of suction and forcing pipes with valves; heating-cooling panel is cut into the case of the reservoir, the tank and pipes are insulated, the forcing pipe is installed inside the working reservoir, the expansion tank is located above the roof of the reservoir the south wall of which by means of a screen is protected from direct sun rays, the suction pipe is installed to supply water from basins and reservoirs via an underground channel or underground pipe lines and can be cleaned by means of a straining filter wall. ^ EFFECT: efficiency and ecological safety are achieved. ^ 1 dwg |
