Water tank of wet type naturally ventilated cooling tower

Abstract

The invention discloses a water tank of a wet type naturally ventilated cooling tower. The water tank comprises a bottom plate, and a check valve is arranged on the bottom plate and comprises a valve body provided with a hollow cavity inside. The valve body is connected with the bottom plate, and a water permeable plate is arranged below the valve body and provided with a plurality of water permeable holes. An assorted sealing cover plate is arranged at an opening of the top of the valve body. A circular plate is arranged on the top of the bottom plate. The hollow cavity of the valve body is a circular hole, and a crisscrossed steel reinforcing ribbed plate perpendicular to the circular plate is arranged below the circular plate. A vertical rod is arranged at an outer end of the steel reinforcing ribbed plate and matched with the circular hole of the valve body. The cover plate moves vertically along the valve body under the action of guiding of the vertical rod and under the action of the water pressure of the water tank or underground water pressure when no water in the water tank, thereby being accurate in positioning and reliable in moving. The water tank for the wet type naturally ventilated cooling tower is simple in structure, reliable to use and convenient to maintain, and when the water tank is emptied for maintenance, underground water can be discharged and underground water pressure can be reduced when the water level of the underground water is high, floating of the bottom plate of the water tank can be prevented, and halt or maintenance of a unit is convenient.

Description

technical field [0001] The invention relates to the technical field of building facilities, in particular to a naturally ventilated wet cooling tower pool. Background technique [0002] Under the ground below the natural ventilation wet cooling tower, an open reinforced concrete pool with a depth of about 2.3m and a diameter equivalent to the diameter of the tower foundation is set to collect the cooled circulating water. The bottom of the pool floor is generally located about 2.5m below the ground. When the unit is running normally, the water depth in the pool is about 2.0m; when the unit is shut down or overhauled, the water in the pool needs to be drained. At this time, if the groundwater level outside the pool is high, the weight of the bottom plate of the pool is not enough to resist the buoyancy of the ground water. And being buoyed causes structural damage. Therefore, when the unit is shut down or overhauled, and the groundwater level is high, it is necessary to red...

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Problems solved by technology

[0003] The purpose of the present invention is to solve the problem that in the prior art, when the unit is out of service or overhauled, the groundwater level outside the pool is relatively high, and the self-weight of the pool floor is not enough to resist the structural damage caused by the buoyancy of the groundwater being lifted; and when the groundwater level is lowered to A certain limit value requires more precipitation fee investment, and the problem of inconvenient operation and management of cooling towers

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