Honeycomb cavity gasification heat energy power system using nuclear power plant hot drained water

Abstract

The invention discloses a honeycomb cavity gasification heat energy power system using nuclear power plant hot drained water. The system comprises a heat collecting device, a gasifying device, a turbine, a condensing device and a one-way hydraulic pump, wherein the heat collecting device, the gasifying device, the turbine, the condensing device and the one-way hydraulic pump communicate in a circulating mode in sequence through circulating pipes; the circulating pipes are filled with circulating working mediums; the heat collecting device and the gasifying device are mounted in a nuclear power plant hot drainage way; the condensing device is mounted in a deep water low-temperature area; the gasifying device includes a gasification heat sucking cavity; the gasification heat sucking cavity is a cavity for realizing gasification of a working medium in the gasifying device; the gasifying device is positioned in a heat collecting cavity; and the gasification heat sucking cavity takes the shape of a honeycomb cavity. The honeycomb cavity gasification heat energy power system using nuclear power plant hot drained water has such advantages as high gasification efficiency, high heat energy conservation efficiency and power adjustability.

Description

technical field [0001] The invention belongs to the field of energy utilization equipment, in particular to a honeycomb cavity gasification thermal energy power system utilizing thermal drainage of nuclear power plants. Background technique [0002] Energy is an important material basis for the survival and development of human society. Throughout the history of the development of human society, every major progress of human civilization is accompanied by the improvement and replacement of energy. The development and utilization of energy has greatly promoted the development of the world economy and human society. [0003] However, with the continuous development and consumption of energy, non-renewable energy sources such as petroleum, coal mines, and natural gas are gradually reduced, and energy conservation and recycling are gradually being valued. The basic content of my country's current energy strategy is: adhere to the priority of conservation, based on domestic, di...

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Problems solved by technology

[0007] However, the common problems of existing thermal power generation equipment are: a. The temperature requirements for high-temperature heat sources are high, generally above 200°C, and the thermal energy conversion efficiency is low. The thermal energy conversion efficiency is generally 15% to 35%. Under the heat source of ℃, the average thermal energy conversion efficiency is 18%; b. The gasification of the working fluid in the gasification device is prone to incomplete gasification, the volume expansion is small, and the amount of external work in a single cycle of the gasification process is small; c. The gasification temperature is unstable, the condensation effect of the working medium is not good, and the working medium is easy to deteriorate or appear impurities; d. The driving force of the turbine is small, and the efficiency of converting the external work of the gasification medium into mechanical energy is low; e. The speed of the turbine is unstable, and It is prone to stuck problems; f. The heat collection effect of the heat collection device is not good, and the external waste heat absorption rate is small; g. The heat displacement of the condensing device is large, and the heat energy is wasted. The condensation speed through natural condensation is slow, and the use of Active condensation mode (fan air cooling or liquid pump water cooling) requires additional power consumption

[0009] However, the development of nuclear power has also brought great concerns to people, because the construction and use of nuclear power plants will not only cause certain radioactive pollution to the environment, but also cause high-temperature pollution to nearby waters.

Nuclear power plants need a large amount of water to cool the reactor. A nuclear power plant consumes hundreds of tons of water per second. Cold sea water or river water is discharged back into the sea after heat exchange in the plant. The temperature of the water will rise by 20 to 30 degrees. After the drain is discharged, the temperature of the water within a radius of 1 km can rise as high as 5°C to 8°C. When the temperature of cold sea water or river water reaches 30°C in summer, after absorbing the heat exhausted by the nuclear power plant, the temperature can rise by about 40°C. , the general fish and seaweed organisms cannot survive, and it also brings a greater impact of high temperature on nearby residents

[0010] As for the thermal energy in the thermal drainage of the above-mentioned nuclear power plant, since the temperature difference between the thermal drainage and normal temperature water is only about 20°C, this temperature difference is difficult to be utilized by existing thermal power generation equipment

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