DISTRIBUTED MULTI-POINT THERMOELECTRIC ENERGY RECOVERY SYSTEM AND METHOD IN INDUSTRIAL THERMAL FLOW NETWORKS

Abstract

The invention relates to EGS well and surface equipment (11), HRSG / flue gas lines (12) and industrial Low and medium thermal fluids from different thermal sources (10) such as thermal fluid lines (13) converted hot waste heat into electrical energy via distributed Peltier modules (20) It relates to a system and method that enables conversion. Peltier module (20); hot surface conductive plate (21), cold surface conductive plate (22), the temperature difference between them Semiconductor thermoelectrics that convert direct current into electrical energy via the Seebeck effect. It includes pairs (23) and electrical connection terminals (24). The distributed energy collection network (30), It transmits the energy obtained from the Peltier modules (20) to the power control unit (40); power Control unit (40) variable voltage and current with maximum power point tracking algorithm It optimizes. The energy is stored in the energy storage unit (50) or directly directed electrical energy, electrolyzer (61), microgrid (62) within the scope of load unit (60), The SCADA / RTU system (63) or auxiliary loads (64) are transferred.

Description

1 TARIFF DISTRIBUTED MULTI-POINT PELTIER IN INDUSTRIAL THERMAL FLOW NETWORKS MODULAR THERMOELECTRIC ENERGY RECOVERY SYSTEM AND METHOD Technical Area The invention relates to geothermal systems, augmented geothermal systems, and natural gas combined cycle systems. power plants, coal-fired power plants, industrial steam lines, waste heat recovery boilers, flue gas lines, condenser outlets and other low to medium temperature thermal flow 10 The unused waste heat generated in the networks is transferred to distributed Peltier elements. a system that enables the conversion of electrical energy through its modules and It relates to the method. The invention is particularly noteworthy for its economic benefits in existing energy production and process infrastructures, which are 15% more efficient. Unevaluable low-quality thermal losses, Seebeck effect under temperature difference direct current electricity is generated using Peltier modules that operate in generator mode based on this principle. converting it into energy and using the resulting electricity in electrolyzers, microgrids, SCADA systems / An integrated system for use in RTU systems or on-site auxiliary loads. It includes its architecture. 20 State of the Art Thermal systems are an important part of the systems used in power plants and industrial facilities. This section directly utilizes low and medium temperature waste heat remaining outside the main thermodynamic cycle. It spreads into the environment. In geothermal wells and surface equipment, natural gas is combined. In waste heat recovery boilers and flue gas lines of combined cycle power plants, coal in the flue gas zones after the economizer of power plants, in industrial steam lines, This heat, which is released into the environment in hot liquid lines and condenser outlets, is both economical. This results in both waste and environmental burden. 30 In the current state of the art, various thermoelectric methods are used for recovering waste heat. There are generator applications. However, these applications are mostly for a single heat source. focusing on the source or a limited field point; having different temperature profiles the distributed utilization of numerous thermal resources within the same facility scale and 35 2 An architecture that enables the centralized management of the generated electrical energy. It does not offer. Furthermore, in some known applications, thermoelectric conversion is only possible in remote fields. It is used to power devices or local low-power equipment. 5 Such applications involve multi-point energy harvesting of waste heat points throughout the facility. Evaluation of the recovered energy together via the network, electrolyzer, microgrid, Routing and variable temperature between SCADA / RTU system and auxiliary loads. in terms of their differences being dynamically optimized by the power control unit It is insufficient. 10 In addition, conventional waste heat recovery systems that require high temperatures have low and it cannot offer an economical and modular solution in the medium temperature ranges. Organic Systems like the Rankine cycle involve turbine, fluid, and comprehensive plant integration. 15 distributed thermal source points at low cost, unlike what is required These are considered to be solutions that are difficult to implement. In conclusion, under the known state of the art; EGS well and surface equipment, HRSG / Different thermal sources such as flue gas lines and industrial thermal fluid lines are combined in the same system. Evaluation with distributed Peltier modules within the system architecture, Peltier 20 Distributed energy collection of variable direct current electrical energy obtained from modules transfer of power to the power control unit via the network, maximum power point monitoring holistic algorithm that enables optimization and redirection to load units No solution has been found. Purpose of the Invention The primary purpose of the invention is to adapt EGS well and surface equipment, HRSG / flue gas lines, industrial thermal fluid lines and equivalent low to medium temperature thermal sources The resulting waste heat is transferred to multi-point and distributed Peltier modules. 30 a holistic system architecture that enables the conversion of energy into electrical energy to create. 3 Another objective of the invention is to distribute Peltier modules to different points of thermal sources. thanks to its placement in such a way, it can be obtained on a scale that cannot be achieved from a single source point. The goal is to achieve cumulative energy recovery. Another purpose of the invention is to connect Peltier modules with a hot surface conductive plate and a cold surface 5. The temperature difference created between the conductive plates is transmitted through semiconductor thermoelectric pairs. Generating electricity by converting direct current into electrical energy using the Seebeck effect principle. The goal is to present the mechanism in a clear, applicable, and repeatable way. Another objective of the invention is to store the recovered electrical energy in an energy storage unit. accumulation or electrolyzer, microgrid, SCADA / RTU system and auxiliary loads The goal is to increase the overall efficiency of the existing energy infrastructure by transferring it to a smaller portion of the system. Another purpose of the invention is to utilize the varying temperature differences coming from different thermal sources. the profiles are monitored, stabilized and maximized by the power control unit 15 by optimizing with point tracking algorithm under variable operating conditions The goal is to maintain energy production efficiency. Another objective of the invention is to add Peltier modules to existing industrial infrastructures. The aim is to ensure that it can be integrated in a modular and adaptable way without requiring any additional tools. To fulfill the above purposes, the invention is designed to apply to the surface of different thermal sources (10) or multiple units distributed in a way that will make contact with thermal flow lines It contains Peltier modules (20) and these Peltier modules (20) are hot surface conductors. plate (21), cold surface conductive plate (22), semiconductor thermoelectric couples (23) and The invention includes electrical connection terminals (24). The invention also includes connecting Peltier modules (20) to each other 25 connecting distributed energy collection network (30), from distributed energy collection network (30) Power control unit (40) that stabilizes variable voltage and current, electrical energy energy storage unit (50) and load to which the recovered electrical energy is transferred It contains unit (60). Explanation of the Figures Figure 1 shows the distributed multi-point Peltier elements in the industrial thermal flow networks that are the subject of the invention. The modular thermoelectric energy recovery system includes thermal sources and Peltier modules. 4 distributed energy collection network, power control unit, energy storage unit and load unit It is a schematic block diagram showing the connection between them. Explanation of Part References 10. Thermal Spring 11. EGS Well and Surface Equipment 12. HRSG / Flue Gas Line 13. Industrial Thermal Fluid Line 20. Peltier Module 21. Hot Surface Conductive Plate 22. Cold Surface Conductive Plate 23. Semiconductor Thermoelectric Couples 24. Electrical Connection Terminals 30. Distributed Energy Collection Network 40. Power Control Unit 50. Energy Storage Unit 60. Load Unit 61. Electrolyzer 62. Microgrid 63. SCADA / RTU System 64. Auxiliary Loads Detailed Description of the Invention The invention relates to EGS well and surface equipment (11), HRSG / flue gas lines (12) and industrial to the surface of different thermal sources (10) such as thermal fluid lines (13) or thermal flow Low and medium 10 through Peltier modules (20) distributed along the lines obtaining direct current electrical energy from temperature differences, and distributing this energy as distributed energy. transmitting through the collection network (30) to the power control unit (40) and in the energy storage unit (50) encompasses a holistic system architecture that transfers the load to the load unit (60) by accumulating it. Thermal source (10) refers to the sources that provide waste heat to the system. EGS well and surface equipment (11), wellhead, surface equipment and feedback in geothermal systems 15 It includes parts that provide waste heat, such as the line. HRSG / flue gas line (12), natural in gas combined cycle power plants, coal power plants and equivalent energy production infrastructures It includes gas or steam lines that carry waste heat. Industrial thermal fluid line. (13), steam, hot gas, hot liquid, condenser outlet or found in process industries It includes equivalent thermal fluid lines. 20 Peltier module (20) operated in generator mode under temperature difference and Seebeck effect It is a solid-state energy conversion element that produces electrical energy based on this principle. In this context... Peltier module (20) is not an electrically powered structure for active cooling, Temperature formed between the thermal source (10) and the external environment or cooling fluid. It is structured as a conversion element that generates electricity from the difference. Each Peltier module (20) is a hot surface conductor that makes thermal contact with the thermal source (10). plate (21) will create a temperature difference with hot surface conductive plate (21) positioned cold surface conductive plate (22), hot surface conductive plate (21) semiconductor thermoelectric located between cold surface conductive plate (22) pairs (23) and transfer the generated electrical energy to the distributed energy collection network (30) It includes connection terminals (24). 10 Hot surface conductive plate (21), thermal source (10) surface or thermal flow transferring the heat from the line to semiconductor thermoelectric pairs (23) It is structured. Cold surface conductive plate (22) with hot surface conductive plate (21). an outdoor environment of 15 that will allow a sustainable temperature difference to be created between them. or is open to heat exchange with the coolant. In this context, the cold surface conductive plate (22); air-cooled heatsink, water cooling line, condenser cooling water, phase change refrigerant, evaporative cooling system or active or in a way that will provide heat exchange with at least one of the passive cooling elements It can be configured. 20 options will be selected according to application conditions and facility infrastructure. Cooling method, cold surface conductive plate (22) and hot surface conductive plate (21) This directly affects the continuity and magnitude of the temperature difference between them. These two The temperature difference between the plates improves the electrical generation performance of the Peltier module (20). The determining factor is the fundamental physical input. Semiconductor thermoelectric couples (23), hot surface conductive plate (21) and cold surface It is located between the conductive plate (22) and the Seebeck effect occurs when a temperature difference occurs. It produces direct current electrical energy with the principle of semiconductor thermoelectric pairs (23), It can consist of pairs of P-type and N-type semiconductor elements, and the application temperature depending on the range, bismuth telluride, antimony telluride, lead telluride, skutterudite or equivalent 30 They can be manufactured from thermoelectric materials. Thus, electricity generation The mechanism involves temperature difference-dependent electricity generation in semiconductor thermoelectric materials. It is based on the principle of potential formation. 6 Electrical connection terminals (24) are produced by semiconductor thermoelectric pairs (23). Extraction of current electrical energy from the Peltier module (20) and distributed energy collection It enables transfer to the network (30). Multiple Peltier modules (20) provide the electrical connection. The terminals (24) can be configured in serial or parallel connection configurations. And in this way the total output voltage or current can be adjusted to 5 according to the system's needs. It is scalable. Distributed energy collection network (30), Peltier placed at different thermal source (10) points connecting the modules (20) and the electricity obtained from each Peltier module (20) It is the network infrastructure that transmits its energy to the power control unit (40). Distributed energy collection network (30), The variable electrical outputs from different temperature zones of the facility are converted into a single energy return. 10 It allows for their collection within a gains architecture. The power control unit (40) receives the variable voltage from the distributed energy collection network (30). and an algorithm that monitors, stabilizes, and tracks current values ​​and maximum power point. It is the control element that optimizes the operating conditions of Peltier modules (20). Power 15 control unit (40), variable temperature difference caused by different thermal sources (10) evaluating their profiles and converting recovered electrical energy into energy storage transfer to the electrical profile suitable for the unit (50) or load unit (60) It provides. The energy storage unit (50) stabilizes the electricity by the power control unit (40). It stores energy and supports the continuity of recovered energy. Energy storage unit (50), instantaneous load of energy obtained from thermal sources (10). It acts as a buffer in cases where it cannot be transferred to the unit (60). Load unit (60) refers to the final systems where the recovered electrical energy is used. Load unit (60), electrolyzer (61), microgrid (62), SCADA / RTU system (63) or can be configured in the form of auxiliary loads (64). The electrolyzer (61), return It can produce hydrogen with the electrical energy obtained. Microgrid (62), on-site It can contribute to electricity distribution. SCADA / RTU system (63), monitoring, control 30 and can receive energy for data recording functions. Auxiliary loads (64), low power in-house It can meet its electricity needs. In the invention, Peltier modules (20) direct the thermal flow to a single point of thermal sources (10) rather than to a single point. They are positioned in a distributed manner at different points along the network. Thus, EGS wells and 35 7 surface equipment (11), HRSG / flue gas lines (12) and industrial thermal fluid Different temperature differences formed on lines (13) simultaneously can be evaluated and achieve a higher total recovery compared to individual applications. capacity can be provided. The operation of the method described in the invention is as follows:  EGS well and surface equipment (11), HRSG / flue gas lines (12), industrial Waste heat on thermal fluid lines (13) or equivalent thermal sources (10) Identifying the source points containing,  Hot surface conductive plate (21) 10 at different points of the determined thermal sources (10). The relevant thermal source (10) will be in thermal contact with the cold surface conductive plate (22) outside multiple in a way that will be open to heat exchange with the environment or coolant Distributed placement of the Peltier module (20),  In each Peltier module (20), the hot surface conductive plate (21) and the cold surface Creating a temperature difference between the conductive plate (22), 15  Seebeck can convert the said temperature difference through semiconductor thermoelectric pairs (23) Converting direct current into electrical energy using the principle of effect,  Electrical connection terminals (24) of the electrical energy produced in Peltier modules (20) transferring from there to the distributed energy collection network (30),  Variable voltage and current values ​​coming from the distributed energy collection network (30) 20 Monitoring, stabilization and maximum power by the power control unit (40) Optimizing with a point tracking algorithm,  energy storage of electrical energy stabilized by the power control unit (40) transfer to unit (50) or redirect to load unit (60),  25 stored in the energy storage unit (50) or via the power control unit (40) directed electrical energy electrolyzer (61), microgrid (62), SCADA / RTU the system (63) or at least one of the auxiliary loads (64) must be used. Peltier modules (20), thanks to their modular structure, can be used both in newly established facilities and It can be implemented in an adaptable manner within existing industrial infrastructures. Multiple Series or parallel connection via the electrical connection terminals (24) of the Peltier module (20) 30 by arranging its configurations, the system's total energy production capacity It allows for scalable expansion.

Claims

8 REQUESTS 1. Distributed multi-point Peltier module thermoelectrics in industrial thermal flow networks. It is a system that provides energy recovery, and its feature is that it utilizes different thermal sources (10) 5 distributed in a way that will make thermal contact with the surface or thermal flow lines. Multiple Peltier modules positioned (20), each Peltier module (20), a hot surface conductive plate (21) in contact with heat from a thermal source (10), The outside will create a temperature difference with the hot surface conductive plate (21) in question. a cold surface conductor that is open to heat exchange with the environment or coolant to the plate (22), hot surface conductive plate (21) and cold surface conductive plate (22) 10 positioned between them and direct current to compensate for the temperature difference using the Seebeck effect principle. semiconductor thermoelectric pairs (23) that convert into electrical energy and produced It has electrical connection terminals (24) that transmit electrical energy, Power control is generated by connecting Peltier modules (20) to each other. a distributed energy collection network (30) transmitting to unit (40), distributed energy collection network (30) 15 stabilizing the variable voltage and current coming through it and the maximum power point a power control unit (40) that optimizes operating conditions with a monitoring algorithm, an energy storage that stores electrical energy from the power control unit (40) unit (50) and at least one load unit (60) to which the recovered electrical energy is transferred It includes. 20 2. It is a system that complies with Claim 1, and its feature is that the thermal resources in question (10), EGS well and surface equipment (11), HRSG / flue gas lines (12) and industrial thermal a thermal flow consisting of different types of sources selected from among the fluid lines (13) structured to provide simultaneous energy recovery across the network that is. 25 3. It is a system that conforms to Claim 1, and its feature is that the Peltier module (20) is a hot surface conductor. under the temperature difference between plate (21) and cold surface conductive plate (22) operation in generator mode and via semiconductor thermoelectric pairs (23) It is configured to generate direct current electrical energy.

4. A system that conforms to Claim 1, and whose characteristic is; semiconductor thermoelectric pairs (23), 30 bismuth telluride, antimony telluride, lead, depending on the application temperature range. P-type electrodes made of telluride, scutterudite, or equivalent thermoelectric materials. It consists of pairs of N-type semiconductor elements. 9 5. It is a system that complies with claim 1, and its feature is that the power control unit (40) has more than one The variable voltage produced by the Peltier module (20) from different temperature difference profiles and By processing the current values ​​simultaneously, each Peltier module (20) operates It optimizes the conditions according to the maximum power point tracking algorithm.

6. It is a system that conforms to Claim 1, and its feature is; load unit (60), power control unit (40) 5 or electricity fed through an energy storage unit (50) and recovered It contains at least one electrolyzer (61) that produces hydrogen using its energy.

7. It is a system that complies with Claim 1, and its feature is that the load unit (60) is the energy storage unit. On-site distributed electricity by being fed through (50) or power control unit (40) It contains at least one microgrid (62) that contributes to its distribution. 10 8. It is a system that complies with Claim 1, and its feature is; load unit (60), waste heat recovery for monitoring, controlling or performing data recording operations during the process at least one SCADA / RTU configured in communication with the power control unit (40) the system (63) includes.

9. It is a system that complies with Claim 1, and its feature is that the load unit (60) is the recovered electricity 15 It includes auxiliary charges (64) powered by its energy.

10. A system that complies with Claim 1, characterized by its scalable electricity generation capacity. In order to increase the number of Peltier modules (20), electrical connection Distributed energy in series or parallel connection configurations via terminals (24) It is connecting to the collection network (30). 20 11. It is a system that complies with Claim 1, and its feature is that Peltier modules (20) are available. modular design that can be mounted in a way that is adaptable to industrial thermal flow infrastructures. It is in the structure.

12. It is a system that conforms to Claim 1, and its feature is that the cold surface conductive plate (22) is in air refrigerated heat sink, water cooling line, condenser cooling water, phase 25 alternating refrigerant material, evaporative cooling system, or active or passive refrigerant. in a way that creates a temperature difference with at least one of the cooling elements It is structured.

13. Distributed multi-point Peltier module thermoelectrics in industrial thermal flow networks. It is a method that provides energy recovery, and its characteristic is; EGS well and surface 30 equipment (11), HRSG / flue gas lines (12), industrial thermal fluid lines (13) or equivalent thermal sources (10) source points containing waste heat determination; hot surface conductors at (10) different points of the determined thermal sources. plate (21) will be in thermal contact with the relevant thermal source (10) and the cold surface conductive plate (22) will be open to heat exchange with the external environment or coolant Distributed placement of multiple Peltier modules (20); each Peltier In module (20), hot surface conductive plate (21) and cold surface conductive plate (22) 5 creating a temperature difference between them; this temperature difference is then used by the semiconductor. direct current electricity by Seebeck effect principle via thermoelectric couples (23) conversion of electrical energy produced from Peltier modules (20) into energy; Transfer of power to the distributed energy collection network (30) via electrical connection terminals (24); 10 Variable voltage and current values ​​coming from the distributed energy collection network (30) Monitoring, stabilization and maximum power by the power control unit (40) Optimization by point tracking algorithm; by power control unit (40) storage of stabilized electrical energy in the energy storage unit (50) or It includes the steps of transferring the load to the unit (60).

14. A method that complies with claim 13, and its feature is that the power control unit (40) 15 The optimization step performed comes from different thermal sources (10) Simultaneous monitoring of varying temperature difference profiles and each Peltier element. the operating conditions of the module (20) to the maximum power point tracking algorithm This involves optimizing it accordingly.

15. A method that complies with claim 13, and its feature is; power control unit (40) or energy 20 The electrical energy supplied through the storage unit (50) is used by the electrolyzer (61), microgrid (62), SCADA / RTU system (63) or at least one of the auxiliary loads (64) It includes the guidance step.

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