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Use of adsorption or absorption technologies for thermal-electric power plant cooling

a technology of thermal-electric power plant, which is applied in the field of system and method of using adsorption or absorption chiller for thermal-electric power plant cooling, can solve the problems of large air-cooled condensers and commercial adsorption or absorption chillers that have not been popularly used, and achieve the effect of reducing water use and consumption

Inactive Publication Date: 2013-05-16
ELECTRIC POWER RES INST INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

The present invention offers a way to save water and reduce consumption by using adsorption or absorption techniques.

Problems solved by technology

In addition, these air cooled condensers are much larger than the water cooled condensers due to a much less effective heat removal rate of air.
The commercial adsorption or absorption chillers have not been popularly used due to the need of a heat exchanger to produce heated water for de-sorption.

Method used

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  • Use of adsorption or absorption technologies for thermal-electric power plant cooling
  • Use of adsorption or absorption technologies for thermal-electric power plant cooling
  • Use of adsorption or absorption technologies for thermal-electric power plant cooling

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Embodiment Construction

[0022]As shown in FIG. 1, during a typical steam power plant Rankin cycle, the condensed steam is pressurized by a pump from 1 to 2, the water is then boiled to become steam again from 2 to 3, and the steam expands through the turbine to generate work from 3 to 4. The higher the steam turbine inlet steam temperature or the lower the steam turbine exhaust temperature or the condensing temperature, the more the work generated and thus the higher the power plant thermal cycle efficiency.

[0023]The present invention, shown generally in FIG. 2 at reference numeral 10, is an Advanced Hybrid Condenser Cooling system (AHCC) adapted for use in a steam power plant. The AHCC system 10 is a high efficiency dry cooling system designed to replace current air-cooled condenser (ACC) or wet cooling systems and eliminate the disadvantages associated with those systems by using nature to control air temperature to enhance ACC and to achieve zero water cooling for steam condensation. It should be apprec...

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Abstract

A hybrid cooling system adapted to provide cooling to a thermal-electric power plant includes an air-cooled condenser (ACC) adapted to provide cooling water to the thermal-electric power plant and a vapor absorption / adsorption refrigerant system (VARS) adapted to provide cooled air to the ACC. The cooled air is used by the ACC to condense steam to produce the cooling water.

Description

[0001]This application claims the benefit of Provisional Application No. 61 / 482,819 filed on May 5, 2011 and Provisional Application No. 61 / 617,228 filed on Mar. 29, 2012.BACKGROUND OF THE INVENTION[0002]The present invention relates generally to a system and method of using adsorption or absorption technologies for thermal-electric power plant cooling. More particularly, the invention relates to a system and method for reducing water use and consumption, improving plant cycle efficiency, and reducing the size of equipment in power plant cooling.[0003]Thermal-electric power plant cooling systems were developed 30 or 40 years ago based on the technologies available at that time. About 99% of the condensers used in power plants utilize convective water cooling to condense steam from the steam turbine exhaust. 90% of water use in steam turbine power plants is for condensing steam from the steam turbine exhausts in water cooled condensers. These condensers use about 35% to 39% of U.S. f...

Claims

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Application Information

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IPC IPC(8): F25B17/00
CPCF25B15/00F25B21/00Y02B30/66F25B17/00Y02B30/62F25B25/00F01K9/003F01K13/00
Inventor SHI, BAOLANGOLDSTEIN, ROBERTZAMMIT, KENTBUSHART, SEANTU, JIANPINGNARAYANAMURTHY, RAM
Owner ELECTRIC POWER RES INST INC
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