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Pyrolysis systems

a technology of pyrolysis systems and pyrolysis equipment, which is applied in the direction of combustion types, machines/engines, lighting and heating apparatuses, etc., can solve the problems of increasing disposal problems of waste materials, wastes are generally abandoned, and refuse and toxic waste are often burned, so as to reduce the discharge of flue gas, enhance the viability of use, and increase the energy yield

Inactive Publication Date: 2018-10-11
REED FRANK
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

This patent is about improving pyrolysis units used in systems that convert organic materials to energy. The improvements prevent the formation of harmful deposits and recycle the heat from the exhaust gas. This makes the pyrolysis units more efficient and useful in commercial processes. The overall back is increased energy yield from pyrolysis systems.

Problems solved by technology

Waste materials present ever-increasing disposal problems.
In the past, refuse and toxic waste were often burned.
However, due to increased governmental and regulatory standards, the potential public health impacts of carcinogenic air emissions, such as dioxins and furans, and the risks of spreading toxic plumes, the burning of wastes has generally been abandoned.

Method used

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Embodiment Construction

[0020]A pyrolysis unit 10 is shown in FIG. 1. Pyrolysis unit 10 may be used to perform the initial pyrolysis step in a pyrolysis system that includes a thermal oxidizer unit and stack unit (not shown.) As noted above, the pyrolysis unit routes syngas discharge in a manner that reduces maintenance of the unit, routes flue gases in a manner that recovers their heat and eliminates discharge of flue gas to the environment, and includes other features which enhance the commercial viability of the pyrolysis system.

[0021]The pyrolysis unit 10 includes a combustion chamber 12, which is made from materials capable of withstanding temperatures of 1200-2600° F. Burners 14 are positioned within the combustion chamber. These burners may be natural gas or propane-fired and are adapted to generate and supply hot combustion gases into the combustion chamber. While two burners are illustrated, more or fewer could be provided.

[0022]A main retort 16 is disposed within the combustion chamber 12. Pyroly...

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Abstract

Systems and methods are disclosed for pyrolysis of waste feed material. Some systems include a main retort and a secondary retort. Syngas is produced by pyrolysis in the main retort, and is then mixed with combustion air and ignited, in some cases to produce energy. Carbon char travels to the secondary retort and is exhausted from the system through an airlock.

Description

RELATED APPLICATION[0001]This application is a continuation application of U.S. application Ser. No. 15 / 365,633, filed Nov. 30, 2016, which is a continuation application of U.S. application Ser. No. 15 / 196,645, filed Jun. 29, 2016, now U.S. Pat. No. 9,534,175, granted on Jan. 3, 2017, which is a continuation application of U.S. application Ser. No. 14 / 105,832, filed Dec. 13, 2013, now U.S. Pat. No. 9,394,484, granted on Jul. 19, 2016, the entire contents of which are hereby incorporated by reference.FIELD OF INVENTION[0002]The present invention relates to systems and methods for pyrolyzing waste materials and recovering heat from the pyrolysis process.BACKGROUND[0003]Waste materials present ever-increasing disposal problems.[0004]In the past, refuse and toxic waste were often burned. However, due to increased governmental and regulatory standards, the potential public health impacts of carcinogenic air emissions, such as dioxins and furans, and the risks of spreading toxic plumes, t...

Claims

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Application Information

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Patent Type & Authority Applications(United States)
IPC IPC(8): C10B53/07F01K5/02C01B3/02F23J1/06F23G7/12F23G5/027C10B47/44C10K3/06C10B27/06C10B7/10C10B21/12
CPCF01K5/02C01B3/02Y02P20/143F23G2209/281F23G2203/8013F23G2201/303F23G2201/301F23J1/06F23G7/12F23G5/0276C10B53/07C10B47/44C10K3/06C10B27/06C10B7/10C10B21/12
Inventor REED, FRANK
Owner REED FRANK
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