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Controlled heating method of a process fluid through concentrating solar thermal plant and heat carrier system and apparatus thereof

a technology of solar thermal plants and process fluids, applied in solar heat devices, solar heat storage, collector working fluids, etc., can solve problems such as variable heat conten

Inactive Publication Date: 2016-08-11
KT - KINETICS TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

The patent aims to provide a new innovation that can significantly decrease fuel consumption and reduce greenhouse gas emissions by 65% compared to traditional heating systems.

Problems solved by technology

One general problem of concentrating thermal solar plant is that of having a variable content of heat available, due to variability of sun radiation along with day time, weather condition, season and geography.

Method used

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  • Controlled heating method of a process fluid through concentrating solar thermal plant and heat carrier system and apparatus thereof
  • Controlled heating method of a process fluid through concentrating solar thermal plant and heat carrier system and apparatus thereof
  • Controlled heating method of a process fluid through concentrating solar thermal plant and heat carrier system and apparatus thereof

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Embodiment Construction

[0022]As illustrated schematically in FIG. 1 main components of the full architecture of present invention consist of a concentrating solar thermal plant 10, a heat exchanger 20 between molten salts and heat carrier and a heat exchanger 40 between heat carrier and process fluid.

[0023]The concentrating solar field 10 and storage system 11 and 12 based on molten salt circulation and storage is designed for absorbing and storing the heat necessary for the active and storage phase (about ⅔ of the continuous operation time of the required process heating).

[0024]The solar collection system 10 comprises one or more tube radiation absorbers and a plurality of through collectors, such a single axis parabolic reflectors.

[0025]Alternatively, any suitable means for concentrating solar radiation, such as Fresnel collectors, may be provided. The thermal fluid is heated within the receiver tubes upon exposure to direct and concentrated solar radiation.

[0026]The hot thermal fluid 100 coming from so...

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Abstract

A controlled heating method of a process fluid through concentrating solar thermal plant and heat carrier system where the solar heat available from solar plant is transmitted to a heat carrier stream constituted by air and it is eventually integrated with post firing fuel stream; the heat carrier stream constituted by hot air and post-firing flue gas stream is circulated via a duct circuit through a heat exchanger with the process fluid to allow reaching final required process fluid temperature; the post-firing contribute is determined by an automatic control system which controls in continuous the process fluid temperature and adapt the firing contribute during the different operating phases of the concentrating solar plant.

Description

FIELD OF THE INVENTION[0001]The present invention relates to the field of concentrating solar thermal plants and their application in the traditional refining and petrochemical sector for heating service purpose. Heating services in refining and petrochemical sectors, are those normally realized by means of fired heaters with fuel consumption and combustion products released to the atmosphere. Refinery fluids like petroleum, or its fractions or derivatives, or petrochemical process fluids that need to be heated up to a controlled process temperature may be heated up by means of solar heat absorbed and stored through a concentrating solar thermal plant (preferably the type based on parabolic trough concentrators and receivers and molten salts circulation and storage) with a considerable fuel saving and emission reduction (CO2, SOx, NOx, dusts and unburned compounds). Main advantage of solar plants application is to reduce the overall use of fossil fuels which should be, a part from a...

Claims

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Application Information

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Patent Type & Authority Applications(United States)
IPC IPC(8): F24J2/34F24J2/46
CPCF03G6/06Y02E10/46F24J2/4649F24J2/34F24S80/20F24S60/30F03G6/061
Inventor IAQUANIELLO, GAETANOVINCI, FRANCESCOMOSCA, LORENA
Owner KT - KINETICS TECH
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