QuantumHeat Plastic-to-Energy Reactor with Integrated Fuel Gas Recovery and Closed-Loop Steam Generation System

\section*{Title of Invention} extbf{Plastic Waste Thermal Conversion Reactor with Fuel Gas Generation, Heat Recovery, Water Boiling and Steam Production System} extbf{Inventor: Sardar Dilbag Singh Khalsa} \section*{Abstract} The present invention relates to a waste-to-energy system capable of converting plastic waste into useful thermal energy and combustible gases through a controlled thermal conversion process. The generated gases are collected, cooled, filtered and stored for subsequent utilization as fuel. Simultaneously, thermal energy released from the conversion chamber is recovered through a heat exchanger network and utilized for water boiling and steam generation. The integrated system combines plastic waste management, energy recovery, fuel generation and hot water production within a single compact reactor arrangement. The invention aims to reduce environmental pollution caused by plastic disposal while improving energy utilization efficiency through heat recovery mechanisms. \section*{Field of Invention} The invention belongs to the fields of: \begin{itemize}\item Waste-to-Energy Technologies\item Thermal Engineering\item Heat Recovery Systems\item Environmental Engineering\item Sustainable Fuel Production\item Steam Generation Technologies\end{itemize} \section*{Background of the Invention} Plastic waste has become one of the most significant environmental challenges of the modern era. Conventional disposal methods such as landfilling and uncontrolled burning lead to pollution, greenhouse gas emissions and land degradation. Numerous industrial sectors require thermal energy, steam generation and fuel gases. Existing systems often treat waste disposal and energy production as separate processes, resulting in inefficiencies and increased operational costs. The present invention integrates: \begin{enumerate}\item Plastic waste processing.\item Fuel gas generation.\item Heat recovery.\item Water heating.\item Steam production.\item Emission treatment.\end{enumerate} within a single engineered system. \section*{Objectives of the Invention} The primary objectives are: \begin{enumerate}\item To reduce plastic waste accumulation.\item To recover useful energy from discarded plastics.\item To generate combustible fuel gas.\item To produce hot water and steam.\item To improve overall thermal efficiency.\item To minimize environmental impact.\item To provide a scalable decentralized energy solution.\end{enumerate} \section*{Summary of the Invention} The system consists of a feed hopper through which plastic waste enters a thermal conversion reactor. Inside the reactor, plastic materials undergo controlled thermal decomposition. The generated gaseous products are transported to a gas collection unit. The collected gases pass through: \begin{itemize}\item Cyclone separator\item Cooling unit\item Gas scrubber\item Filtration system\end{itemize} before entering a storage vessel. Heat generated during conversion is recovered using a heat exchanger. Recovered heat is utilized to: \begin{enumerate}\item Heat water.\item Produce steam.\item Supply industrial thermal requirements.\end{enumerate} A control system continuously monitors: \begin{itemize}\item Temperature\item Pressure\item Gas flow\item Water level\end{itemize} for safe operation. \section*{Detailed Description} \subsection*{1. Plastic Feed Hopper} The feed hopper receives shredded plastic materials. Its functions include: \begin{itemize}\item Temporary storage.\item Controlled feeding.\item Prevention of material blockage.\item Uniform reactor loading.\end{itemize} \subsection*{2. Feed Screw Mechanism} The screw feeder regulates feed rate according to reactor demand. Advantages include: \begin{itemize}\item Continuous operation.\item Reduced pressure fluctuations.\item Improved conversion efficiency.\end{itemize} \subsection*{3. Thermal Conversion Reactor} The reactor serves as the central processing unit. Plastic materials are exposed to elevated temperatures under controlled conditions. The reactor may be constructed using: \begin{itemize}\item Stainless steel.\item High-temperature alloys.\item Ceramic-lined chambers.\end{itemize} \subsection*{4. Ash Collection Unit} Residual solid products accumulate in the ash collection section. The ash can be removed periodically without interrupting system operation. \subsection*{5. Heat Recovery Jacket} A heat recovery jacket surrounds the reactor body. Thermal energy normally lost to the surroundings is captured and transferred to a working fluid. \subsection*{6. Gas Collection Cyclone} The cyclone separator removes particulate matter from generated gases. Benefits include: \begin{itemize}\item Improved fuel quality.\item Reduced equipment fouling.\item Enhanced operational life.\end{itemize} \subsection*{7. Gas Cooling Unit} The gas cooling unit lowers gas temperature. This stage assists in: \begin{itemize}\item Condensation control.\item Safety enhancement.\item Storage preparation.\end{itemize} \subsection*{8. Gas Cleaning Section} The cleaning section may include: \begin{itemize}\item Activated carbon.\item Wet scrubbers.\item Demisters.\item Particulate filters.\end{itemize} \subsection*{9. Fuel Gas Storage Tank} Cleaned fuel gas is transferred to a storage vessel. Possible applications include: \begin{itemize}\item Heating systems.\item Power generators.\item Industrial burners.\item Thermal processes.\end{itemize} \subsection*{10. Heat Exchanger} The heat exchanger transfers energy from hot reactor streams to water. The heat transfer rate may be approximated as [Q = U A \Delta T] where \begin{itemize}\item $Q$ = heat transfer rate\item $U$ = overall heat transfer coefficient\item $A$ = heat transfer area\item $\Delta T$ = temperature difference\end{itemize} \subsection*{11. Water Boiler and Steam Generator} Water entering the boiler absorbs thermal energy and transforms into steam. The energy balance may be expressed as [Q = m C_p \Delta T] where \begin{itemize}\item $m$ = mass of water\item $C_p$ = specific heat\item $\Delta T$ = temperature rise\end{itemize} Steam generation may be estimated through [Q = mL_v] where \begin{itemize}\item $L_v$ = latent heat of vaporization\end{itemize} \subsection*{12. Water Pump} The feed pump maintains water circulation through the heat recovery system. \subsection*{13. Exhaust Stack} Residual gases exit through a controlled exhaust pathway. \subsection*{14. Emission Treatment Unit} Additional cleaning may be achieved using: \begin{itemize}\item Activated carbon beds.\item HEPA filters.\item Catalytic treatment modules.\item Scrubbing chambers.\end{itemize} \subsection*{15. Control and Automation System} Sensors continuously measure: \begin{itemize}\item Temperature.\item Pressure.\item Flow rate.\item Water level.\item Gas concentration.\end{itemize} Automated control improves efficiency and operational safety. \section*{Advantages of the Invention} \begin{enumerate}\item Reduction of plastic waste.\item Energy recovery from discarded materials.\item Generation of usable fuel gas.\item Hot water production.\item Steam generation capability.\item Improved thermal efficiency.\item Compact integrated design.\item Reduced environmental burden.\item Industrial applicability.\item Potential decentralized deployment.\end{enumerate} \section*{Industrial Applications} Potential applications include: \begin{itemize}\item Manufacturing facilities.\item Rural energy systems.\item Municipal waste treatment centers.\item Agricultural processing plants.\item Educational demonstration facilities.\item Research laboratories.\end{itemize} \section*{Claims} extbf{Claim 1:}A plastic waste thermal conversion system comprising a feed hopper, reactor chamber, gas collection system, heat recovery system and water boiler. extbf{Claim 2:}The system of Claim 1 wherein generated gases are filtered and stored for energy applications. extbf{Claim 3:}The system of Claim 1 wherein recovered heat is utilized for steam generation. extbf{Claim 4:}The system of Claim 1 further comprising automated temperature and pressure monitoring. extbf{Claim 5:}The system of Claim 1 wherein an emission treatment module reduces atmospheric pollutants. extbf{Claim 6:}The integrated arrangement simultaneously performs waste treatment, fuel generation and water heating. \section*{Conclusion} The proposed Plastic Waste Thermal Conversion Reactor with Fuel Gas Generation, Heat Recovery, Water Boiling and Steam Production System provides an integrated approach toward waste management and energy recovery. By combining thermal conversion, fuel gas generation, heat recovery and steam production within a single platform, the invention offers a potentially efficient and environmentally responsible framework for future waste-to-energy technologies.