Natural ventilation wet cooling tower with water kinetic energy recovery function in rain area
A natural ventilation and wet cooling technology, applied in water shower coolers, hydroelectric power generation, engine components, etc., can solve problems such as difficulty in recycling, and achieve the effect of reducing water temperature and improving economy.
Inactive Publication Date: 2017-02-22
SHANDONG UNIV
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Problems solved by technology
The kinetic energy recovery of raindrops is essentially different from the kinetic energy recovery of water in pipes. Water droplets are discontinuous media, and recovery is more difficult.
Method used
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Embodiment Construction
[0022] Such as figure 1 As shown, a natural ventilation wet cooling tower with hydrokinetic energy recovery function in the rain zone includes a cooling tower body 1, a rain zone 6, a filling zone 4, a hydrokinetic energy recovery impeller set set in the rain zone 6, and a water kinetic energy recovery impeller set in the filling zone 4 For the upper induced fan unit, each hydrokinetic energy recovery impeller 7 in the hydrokinetic energy recovery impeller set is connected to the corresponding induced fan 3 through a connecting rod 5 .
[0023] In the natural draft wet cooling tower, an upper frame 2 is arranged above the induced draft fan unit, and a lower frame 8 is arranged below the hydrokinetic energy recovery impeller group.
[0024] The upper and lower ends of the connecting rod 1 are respectively fixed on the upper frame 2 and the lower frame 8 through bearings.
[0025] The contact portion between the connecting rod 1 and the packing area 4 is sealed.
[0026] Depen...
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The invention relates to a natural-ventilation wet-type cooling tower with rain area water kinetic energy recycling function. The cooling tower comprises a cooling tower body, a rain area, a padding area arranged above the rain area, a water kinetic energy recycling impeller group arranged on the rain area and an induced draught fan group arranged on the upper side of the padding area, wherein each water kinetic energy recycling impeller in the water kinetic energy recycling impeller group is connected with a corresponding induced draught fan by virtue of a connecting rod, the rainwater in the water area naturally falls into the water kinetic energy recycling impeller group, the rainwater drives the water kinetic energy recycling impeller group to rotate, and the water kinetic energy recycling impeller group drives the induced draught fan group to rotate by virtue of the connecting rods. Under the driving of the induced draught fans, the air volume of the air inlet of the cooling tower (the ventilation quantity of the cooling tower) is increased, the air successively passes through the rain area and the padding area, and is used for cooling the recycled water. Because the ventilation quantity of the cooling tower is improved, the water temperature of the outlet of the cooling tower is lowered, and the economical efficiency of a power plant is improved.
Description
technical field [0001] The invention relates to the field of energy and power engineering, in particular to a natural ventilation wet cooling tower with the function of recovering water kinetic energy in a rain area. Background technique [0002] On September 12, 2014, the National Development and Reform Commission issued a notice on the "Coal Power Energy Conservation and Emission Reduction Upgrading and Transformation Action Plan (2014-2020)", which clearly stipulates the power supply that must be achieved by various coal power units in 2020. coal consumption index. The wet cooling tower is located at the cold end of the thermal cycle system of the power plant, and its working performance directly affects the vacuum of the condenser and the coal consumption of power generation. The data shows that every time the water temperature at the outlet of the cooling tower decreases by 1°C, the vacuum of the condenser changes by 0.4KPa, which affects the coal consumption of power ...
Claims
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IPC IPC(8): F28C1/00F03B13/00F03B3/12
CPCY02E10/20
Inventor 史月涛史蔚然
Owner SHANDONG UNIV