Plate type evaporation air-cooling condenser with obliquely-arranged heat exchange plate bundles

Abstract

The invention relates to a plate type evaporation air-cooling condenser, in particular to a plate type evaporation air-cooling condenser with obliquely-arranged heat exchange plate bundles. The condenser comprises spraying devices, the heat exchange plate bundles, a box, a fan, an air exhaust barrel and a circulating water pump, wherein the air exhaust barrel is arranged on the top of the box; two groups of heat exchange plate bundles are arranged downwards on the box on the two sides of the air exhaust barrel respectively; an angle of between 110 and 130 DEG is formed between the two groups of heat exchange plate bundles; the upper end and the lower end of each group of heat exchange plate bundles are provided with an upper connecting box and a lower connecting box respectively; the upper connecting boxes and the lower connecting boxes are used as steam inlets and condensed water outlets respectively; the upper sides of the two groups of heat exchange plate bundles are provided with a group of spraying devices respectively; the lower ends of the lower connecting boxes are connected with the box; the fan is arranged in the air exhaust barrel; and the upper end of the circulating water pump is connected with the spraying devices, and the lower end of the circulating water pump is extended to the bottom of the box. The condenser has the advantages of high heat transmission efficiency, energy conservation, small occupied area and the like; and the heat exchange plate bundles are obliquely arranged, so that condensed water is convenient to discharge, thermal resistance is reduced, heat transmission is enhanced, a counter current area is convenient to form, and non-condensed gas is discharged.

Description

technical field [0001] The invention relates to a plate-type evaporative air-cooled condenser, in particular to a plate-type evaporative air-cooled condenser in which heat exchange plate bundles are arranged obliquely. Background technique [0002] The power industry is an important basic industry related to the national economy, the people's livelihood and social development. Many power plants are distributed in water-shortage areas. Because thermal power plants use water-cooled units that require a huge amount of cooling water, a large number of air-cooled units have been put into operation in my country, and the air-cooled units Capacity is also increasing. [0003] Although the large-scale air-cooled unit has the advantages of simple structure and water saving, it also has the advantages of bulky air-cooled condenser, low heat transfer coefficient, high unit operating back pressure, high coal consumption, and changes in ambient air temperature, wind speed and wind directi...

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Problems solved by technology

[0005] At present, there are mainly two types of similar devices on the market. One is the wet-condensing condenser cooling system. This device is composed of a water-condensing condenser and a natural draft cooling tower. This cooling method has good cooling effect and high heat transfer efficiency. The back pressure of the unit is low, but the circulating cooling water flow rate is huge, and the circulating water pump consumes a lot of power. Due to the need for two heat exchanges, the structure of the cooling system is complicated and the water consumption is huge, which is not conducive to the cooling of thermal power generating units in water-shortage areas; The first is the air-cooled condenser of the direct air-cooled unit. The exhaust gas from the steam turbine directly enters the air-cooled unit for primary cooling and heat exchange without using water in the middle. Low thermal coefficient, very sensitive to changes in ambient air temperature, wind speed and wind direction, high equipment cost, high unit operating back pressure, high coal consumption and other disadvantages

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