System and method for recycling condensate produced in an air compressor cooler
An air compressor and cooling system technology, which is applied in the field of condensed water systems to achieve the effects of improving performance, reducing emissions and reducing energy consumption
Active Publication Date: 2020-06-23
LAIR LIQUIDE SA POUR LETUDE & LEXPLOITATION DES PROCEDES GEORGES CLAUDE
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Problems solved by technology
[0007] The technical problem to be solved by the present invention is to reduce the energy consumption of air compressors, condensing steam turbines, air-cooled condensers and other equipment and improve their operation under the premise of reducing the consumption of extra water, especially in hot and dry environments. performance
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[0021] Air compressors are machines used to compress air to increase air pressure, generally including three basic types, namely reciprocating air compressors, rotary air compressors and centrifugal air compressors. When it is necessary to increase the gas pressure to a higher level, air compression is often completed in stages in the air compressor. The temperature of the gas will increase significantly during the compression process, and compressing the gas at high temperature will consume more energy. Before the first stage, it is first introduced into the intercooler for cooling, and then the cooled low-temperature gas is sent to the next stage for compression. The exhaust gas after compression is correspondingly cooled to below 40°C in the aftercooler before further utilization.
[0022] The output power of the air compressor can also be improved by reducing the inlet raw air temperature. An atomizing device, usually a nozzle, is placed in the inlet pipe of the raw air....
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The invention discloses a system and method for recycling condensed water generated in an air compressor cooler. The system includes: a raw air intake pipeline, an air compressor, and an air compressor including an intercooler and / or an aftercooler machine cooling system, condensate storage tank, condensate filtration and pumping system, condensate atomization device; and when the air compressor is driven by a condensing steam turbine, the condensing steam turbine that constitutes the steam thermodynamic cycle, the air-cooled condenser and boilers for reheating steam. The raw air pressurized by the air compressor can be cooled in the above cooler to generate condensed water; wherein, the raw air intake pipe is connected to the air compressor, and the intercooler and / or aftercooler of the air compressor cooling system are connected to the condensate The water storage tank is connected with the condensed water filtering and pumping system in sequence. The condensate filtration and pumping systems communicate with the condensate atomizer and / or the air-cooled condenser, respectively, so that in hot weather at least part of the condensate is atomized in the condensate atomizer and into the feed air intake duct To reduce the temperature of the raw material air; and / or at least part of the condensed water enters the air-cooled condenser as a spray to enhance the heat transfer effect of the air-cooled condenser. The condensed water is recycled and utilized by the method of the present invention, which can reduce the energy consumption of the air compressor and / or the air-cooled condenser, reduce sewage discharge, protect the environment and save water resources.
Description
technical field [0001] The present invention relates to a system and method for recycling condensed water, especially a system and method for recycling condensed water generated in an air compressor cooler. Background technique [0002] Air compressors are widely used in iron and steel, electric power, chemical industry, oil and gas, mining, machinery manufacturing and other fields. In order to increase the output power of large air compressors, some means of reducing the inlet temperature of the compressed gas are usually used, including atomization, wet compression, evaporative cooling, etc. When the air compressor is driven by a condensing steam turbine, the output power of the steam turbine is also affected by the connected air-cooled condenser. The more fully the steam is cooled in the air-cooled condenser, the higher the output power of the steam turbine. When the air saturation humidity is low, the cooling performance of the air-cooled condenser can be improved by i...
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IPC IPC(8): F04B39/06F28B9/08
CPCF04B39/06F04B39/062F28B9/08F01K13/00Y02A20/30
Inventor 阿兰·布里格利亚
Owner LAIR LIQUIDE SA POUR LETUDE & LEXPLOITATION DES PROCEDES GEORGES CLAUDE