Performance test system and test method for air-cooled evaporation composite cross-flow closed cooling tower

Abstract

The invention relates to a performance test system and test method for an air-cooled evaporation compound type cross-flow closed cooling tower, belongs to the technical field of cooling water circulation, is novel in system structure, clear in use principle and diversified in experimental working conditions, solves the problem that the variable-working-condition and variable-structure operation performance of an actual air-cooled evaporation compound type tower is difficult to measure, and by controlling air inlet parameters, adjusting the air supply amount and the position of an air supply outlet, adjusting a water inlet area, adjusting the spraying water amount and replacing the relative positions of the light tube heat exchanger, the filler and the finned tube heat exchanger, the test of the influence of different operation parameters and structural characteristics on the composite performance can be realized; and a multi-working-condition, multi-parameter and multi-structure simulation test of one test system is realized.

Description

technical field [0001] The invention belongs to the technical field of cooling water circulation, and relates to a performance test system and a test method of a cooling tower, in particular to an air-cooled evaporation composite cross-flow closed cooling tower performance test system and a test method. Background technique [0002] As an important heat dissipation device for reducing the temperature of cooling water, cooling towers are widely used in civil air conditioners and industrial fields such as metallurgy, chemical industry, electric power, and textiles. Air-cooled and evaporative composite cross-flow closed cooling tower is a new type of cooling and heat exchange equipment proposed in recent years. The cooling water consumption, the water quality is not polluted, and the working condition can be adjusted flexibly. It is a high-efficiency, energy-saving and water-saving cooling heat exchange device. [0003] The air-cooled evaporative compound cross-flow closed coo...

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Problems solved by technology

[0004] The purpose of the present invention is to propose a performance test system and test method of an air-cooled evaporation composite cross-flow closed cooling tower for the existing actual operation of the composite tower that cannot realize the influence of operating parameters and structural characteristics on its performance. To overcome the difficulties in measuring the operational performance of the actual air-cooled and evaporative compound tower under variable working conditions and variable structures, by controlling the air intake parameters, adjusting the air supply volume and the position of the air supply outlet, adjusting the water intake area, adjusting the spray water volume, and replacing the light pipe for heat exchange The relative position of the heat exchanger, packing and finned tube heat exchanger can realize the test of the influence of different operating parameters and structural characteristics on the performance of the composite type, and realize the simulation test of a test system with multiple working conditions, multiple parameters and multiple structures.

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