Patent Description:
Methods and system of pyrolysis are known, however, operating in batch mode. Continuous pyrolysis is advantageous over batch pyrolysis, however, feeding the pyrolytic material in the presence of ambient air may introduce oxygen into the pyrolysis chamber and disturb the pyrolytic process.

There is thus a widely recognized need for, and it would be highly advantageous to have, a system and method for a continuous pyrolysis process, overcoming the above limitations. Examples of the prior art can be found in the documents <CIT> and <CIT>.

According to one exemplary embodiment, there is provided method and a system for continuous pyrolysis including a pyrolysis chamber including a first input opening and a first output opening, a heating chamber including a second input opening and a second output opening, a feeding chamber including a third feeding opening, opened to ambient atmosphere and arranged to receive grinded material, a third pressure opening, and a third output opening coupled to the first input opening of the pyrolysis chamber, a flame injector device coupled to the second input opening of the heating chamber and injecting ambient air and combustible material into the heating chamber, a pumping device including an input opening coupled to the second output opening of the heating chamber, and an output opening coupled to the third pressure opening of the feeding chamber, an Oxygen (O<NUM>) sensor, or, alternatively a CO<NUM> sensor, installed within the heating chamber, and/or a pressure transducer installed within the feeding chamber, and a controller electrically coupled to the O<NUM> sensor, to the pressure transducer, to the flame injector and to the pumping device, the controller controlling the flame injector device to inject at least one of the ambient air and the combustible material to maintain within the heating chamber O<NUM> concentration between <NUM>% and <NUM>%, and/or the pumping device to maintain pressure in the feeding chamber above ambient pressure to prevent ambient air from entering the feeding chamber via the third feeding opening.

According to another exemplary embodiment, the pyrolysis chamber may be located within the heating chamber.

According to still another exemplary embodiment, the heating chamber may additionally include a rolling input opening and a rolling output opening.

According to yet another exemplary embodiment, an input pipe may be installed within the rolling input opening and connecting between the third output opening of the feeding chamber and the first input opening of the pyrolysis chamber.

Further, according to another exemplary embodiment, an output pipe installed within the rolling output opening and coupled to the first output opening of the pyrolysis chamber.

Still further, according to another exemplary embodiment, the pyrolysis chamber is arranged to rotate within the heating chamber.

Yet further, according to another exemplary embodiment, the flame injector device is controlled by the controller to heat the pyrolysis chamber to a predefined temperature.

Even further, the pyrolysis chamber has the shape of a cylinder and where the cylinder side is made of thermally conductive material.

Additionally, according to another exemplary embodiment, a unidirectional valve device may be coupled to the first output opening of the pyrolysis chamber to enable a continuous flow of gaseous material out of the pyrolysis chamber, and to prevent the flow of ambient air into the pyrolysis chamber through the first output opening.

According to still another exemplary embodiment, a conveyer device may be arranged to propel the grinded material from the feeding chamber to the pyrolysis chamber.

According to yet another exemplary embodiment, a conveyer device may be arranged to propel the grinded material from the feeding chamber into the pyrolysis chamber, and an inductive heating device may be used for heating the grinded material inside the pyrolysis chamber.

Further, according to another exemplary embodiment, the pyrolysis chamber may be made of a thermally insulating material, and the pyrolysis chamber may contain an inductive element including a ferromagnetic and ferrimagnetic material for being heat by the inductive heating device for heating the grinded material.

Still further, according to another exemplary embodiment, the inductive element may be affixed within the pyrolysis chamber, or freely distributed within the pyrolysis chamber.

Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the relevant art. The materials, methods, and examples provided herein are illustrative only and not intended to be limiting. Except to the extent necessary or inherent in the processes themselves, no particular order to steps or stages of methods and processes described in this disclosure, including the figures, is intended or implied. In many cases the order of process steps may vary without changing the purpose or effect of the methods described.

Various embodiments are described herein, by way of example only, with reference to the accompanying drawings. With specific reference now to the drawings in detail, it is stressed that the particulars shown are by way of example and for purposes of illustrative discussion of the preferred embodiments only, and are presented in order to provide what is believed to be the most useful and readily understood description of the principles and conceptual aspects of the embodiment. In this regard, no attempt is made to show structural details of the embodiments in more detail than is necessary for a fundamental understanding of the subject matter, the description taken with the drawings making apparent to those skilled in the art how the several forms and structures may be embodied in practice.

The present embodiments comprise systems and methods for continuous pyrolysis, and particularly, though not limited to, continuous pyrolysis process of plastic materials, such as polyethylene, polypropylene, etc..

Before explaining at least one embodiment in detail, it is to be understood that the embodiments are not limited in its application to the details of construction and the arrangement of the components set forth in the following description or illustrated in the drawings. Other embodiments may be practiced or carried out in various ways.

In this document, an element of a drawing that is not described within the scope of the drawing and is labeled with a numeral that has been described in a previous drawing has the same use and description as in the previous drawings. Similarly, an element that is identified in the text by a numeral that does not appear in the drawing described by the text, has the same use and description as in the previous drawings where it was described.

The drawings in this document may not be to any scale. Different figures may use different scales and different scales can be used even within the same drawing, for example different scales for different views of the same object or different scales for the two adjacent objects.

Reference is now made to <FIG>, which is a simplified illustration of a cut through a continuous pyrolysis system <NUM>, according to one exemplary embodiment.

As shown in <FIG>, continuous pyrolysis system <NUM> may include a pyrolysis chamber <NUM>, a heating chamber <NUM>, and a feeding chamber <NUM>. Pyrolysis chamber <NUM> may typically include a first input opening <NUM>, and a first output opening <NUM>.

Heating chamber <NUM> may typically include a second input opening <NUM>, and a second output opening <NUM>. Feeding chamber <NUM> may typically include a third feeding opening <NUM> opened to ambient atmosphere and arranged to receive grinded and/or shredded material, a third pressure opening <NUM>, and a third output opening <NUM> coupled to the first input opening <NUM> of the pyrolysis chamber <NUM>. The grinded and/or shredded materials may typically be plastic materials such as polyethylene, polypropylene, etc. These materials may be grinded and/or shredded to pieces of substantially similar size to achieve even distribution of heat among the grinded and/or shredded particles.

Continuous pyrolysis system <NUM> may additionally include a flame injector (e.g., burner) <NUM> coupled to the second input opening <NUM> of the heating chamber <NUM>. Flame injector device <NUM> is arranged to collect ambient air and pump, or inject, it into heating chamber <NUM> through second input opening <NUM>. Flame injector device <NUM> is additionally arranged to inject flammable material into heating chamber <NUM> through the second input opening <NUM>. For example, flame injector device <NUM> may mix the flammable material with the ambient air, ignite the flammable material into a burning flame, and inject the combustible (burning) material <NUM> into the heating chamber <NUM> through the second input opening <NUM>. Particularly, flame injector device <NUM> may control the amount of each of the flammable material with the ambient air, and/or to control the mixture ratio between the flammable material and the ambient air.

Continuous pyrolysis system <NUM> may additionally include a pumping device <NUM> that may typically include an input opening <NUM> coupled to the second output opening <NUM> of the heating chamber, typically through a pipe <NUM>, and an output opening <NUM> coupled to the third pressure opening <NUM> of the feeding chamber , typically through a pipe <NUM>.

Continuous pyrolysis system <NUM> may additionally include an Oxygen (O<NUM>) sensor <NUM>, which may be installed within the heating chamber <NUM>, or in the output of the heating chamber <NUM>, as shown in <FIG>. The O<NUM> sensor <NUM> may provide measurements of the O<NUM> content and/or concentration within heating chamber <NUM> and particularly in the input to pumping device <NUM>. It is appreciated that O<NUM> sensor <NUM> may be replaced by a CO<NUM> sensor or a similar sensor.

Continuous pyrolysis system <NUM> may additionally include a pressure transducer <NUM>, which may be installed within the feeding chamber <NUM>. As shown in <FIG>, the third output opening <NUM> of feeding chamber <NUM> may be coupled to the first input opening <NUM> of the pyrolysis chamber <NUM> through a pipe <NUM> including a conveyer device <NUM> and the pressure transducer <NUM> may be installed inside the pipe <NUM>. The conveyer device <NUM> may be used to transport grinded material from feeding chamber <NUM> to pyrolysis chamber <NUM> through pipe <NUM>. Pressure transducer <NUM> may provide measurements of the gaseous pressure within feeding chamber <NUM> and/or pipe <NUM>.

Continuous pyrolysis system <NUM> may additionally include a temperature sensor <NUM>, which may be installed within the pyrolysis chamber <NUM>, and/or at the output of the pyrolysis chamber <NUM>. Temperature sensor <NUM> may provide temperature measurements of the gaseous material within pyrolysis chamber <NUM>.

Continuous pyrolysis system <NUM> may additionally include a controller <NUM>. Controller <NUM> may be any type of computational device or system, typically including at least one processor, at least one memory and/or storage device, and at least one communication device or interface enabling the processor to communicate input data, and/or output data, and/or control at least one sensor device, actuating device, motor, pump, etc..

Controller <NUM> may be electrically coupled to, and/or controllably electrically coupled to, flame injector <NUM> via connecting element A, and to pumping device <NUM> via connecting element B, and/or to O<NUM> sensor <NUM> via connecting element C, and/or to pressure transducer <NUM> via connecting element D, and/or to the temperature sensor <NUM> via connecting element E.

Controller <NUM> may be configured to control the flame injector device <NUM> to inject ambient air and/or combustible material into heating chamber <NUM>, for example, to maintain predetermined temperature, and/or temperature range, for example according to measurements received from temperature sensor <NUM>.

Controller <NUM> may be additionally configured to control the flame injector device <NUM> to inject ambient air and/or combustible material into heating chamber <NUM>, for example, to maintain predetermined concentration of O<NUM> within the heating chamber <NUM>. For example, controller <NUM> may control the concentration of O<NUM> according to measurements received from O<NUM> sensor <NUM>. For example, controller <NUM> may control the concentration of O<NUM> between <NUM>% and <NUM>%.

Controller <NUM> may be additionally configured to control the pumping device <NUM>, for example to maintain pressure in the feeding chamber <NUM>, or pipe <NUM>. For example, controller <NUM> may control the pressure in the feeding chamber <NUM> according to measurements received pressure sensor <NUM>. For example, controller <NUM> may control the pressure above the pressure of the ambient atmosphere to prevent ambient air from entering the feeding chamber <NUM>, and/or or pipe <NUM>, and/or pyrolysis chamber <NUM>.

It is appreciated that a maneuvering device such as an electric motor (not shown) may be coupled to pyrolysis chamber <NUM> and may cause pyrolysis chamber <NUM> to roll so that the grinded material <NUM> entering pyrolysis chamber <NUM> through pipe <NUM> may distribute throughout pyrolysis chamber <NUM>. It is appreciated that a pyrolysis chamber <NUM> may roll within heating chamber <NUM> and/or around input pipe <NUM> and output pipe <NUM>. It is appreciated that pyrolysis chamber <NUM> may have the shape of a cylinder, and that the cylinder side (envelop) may be made of a thermally conductive material.

It is appreciated pyrolysis chamber <NUM> may be coupled via output pipe <NUM> to a check valve device <NUM>, to enable a continuous flow of gaseous material out of the pyrolysis chamber <NUM>, and to prevent the flow of ambient air into the pyrolysis chamber <NUM> through the output opening.

As shown in <FIG>, the pyrolysis chamber <NUM> may be located within the heating chamber <NUM>. The heating chamber <NUM> may include a rolling input opening <NUM> and a rolling output opening <NUM>. The input pipe <NUM> installed within the rolling input opening may be connected between the output opening of the feeding chamber <NUM> and the input opening of the pyrolysis chamber <NUM>. The output pipe <NUM> installed within the rolling output opening may be connected between the output opening of the pyrolysis chamber <NUM> and the check valve device <NUM>. Thus, the pyrolysis chamber may rotate within the heating chamber <NUM>.

Pyrolysis chamber <NUM> may be rolling about the horizontal axis <NUM>, and/or about the rolling input opening and the rolling output opening described above. Pyrolysis chamber <NUM> may be rolling to distribute (and re-distribute) the grinded materials <NUM> throughout the pyrolysis chamber <NUM>, and to distribute the heat throughout the grinded materials <NUM> in the pyrolysis chamber <NUM>.

Reference is now made to <FIG>, which is a simplified illustration of cut through a inductive continuous pyrolysis system <NUM>, and to <FIG>, which is a simplified illustration of a cut through perpendicular (latitude) side view of inductive continuous pyrolysis system <NUM>, according to one exemplary embodiment.

As an option, the illustrations of <FIG> may be viewed in the context of the previous Figures. Of course, however, the illustrations of <FIG> may be viewed in the context of any desired environment. Further, the aforementioned definitions may equally apply to the description below.

As shown in <FIG>, inductive continuous pyrolysis system <NUM> may include a pyrolysis chamber <NUM>, including a thermally insulating wall <NUM>, an input opening <NUM> and an output opening <NUM> in the wall <NUM>, and inductive thermal elements <NUM>.

As shown in <FIG>, inductive continuous pyrolysis system <NUM> may have the shape of a cylinder and may rotate along its axis, for example, around the openings <NUM> and <NUM>, for example, as shown by arrow <NUM>. pyrolysis system <NUM> may be rolling to distribute (and re-distribute) the grinded materials throughout the pyrolysis chamber, and to distribute the heat throughout the grinded materials in the pyrolysis chamber.

Inductive thermal elements <NUM> may be distributed throughout pyrolysis chamber <NUM>, or within a limited area of pyrolysis chamber <NUM>. Inductive thermal elements <NUM> may be fixed, such as attached to the <NUM> of pyrolysis chamber <NUM>. Alternatively, inductive thermal elements <NUM> may be free to move within pyrolysis chamber <NUM>, such as small rods or beads. A temperature sensor <NUM> may be installed inside pyrolysis chamber <NUM>.

Inductive continuous pyrolysis system <NUM> may additionally include a an induction radiator <NUM>, that may installed beside the wall <NUM> of pyrolysis chamber <NUM>, on the outside of pyrolysis chamber <NUM>. Induction radiator <NUM> may be attached to the wall <NUM> of pyrolysis chamber <NUM>. Induction radiator <NUM> may be radiatively coupled to the inductive thermal elements <NUM> using electromagnetic radiation. Induction radiator <NUM> may include, or may be electrically coupled to, a power supply <NUM> to feed electric current to induction radiator <NUM>.

Inductive continuous pyrolysis system <NUM> may additionally include a separator <NUM> coupled to opening <NUM>. Separator <NUM> may separate the output produced by pyrolysis chamber <NUM> into gas material (via opening <NUM>), liquid material (via opening <NUM>) and solid or ashes material (via opening <NUM>), also functioning as a check valve to eliminate ambient air from entering into pyrolysis chamber <NUM> through opening <NUM>. As shown in <FIG>, separator <NUM> is arranged as an anti-syphon trap, however, other arrangements are contemplated.

Alternatively, as shown in <FIG>, induction radiator <NUM> may be placed close to the wall <NUM> of pyrolysis chamber <NUM> without touching the wall <NUM> so that pyrolysis chamber <NUM> may rotate with respect to induction radiator <NUM>. Induction radiator <NUM> may be placed beneath pyrolysis chamber <NUM>. Alternatively, as shown in <FIG>, induction radiator <NUM> may be placed in an angle rotationally preceding the bottom of pyrolysis chamber <NUM>, so that heating of the inductive thermal elements <NUM> reaches maximum when the respective inductive thermal elements <NUM> reach the lowest point of pyrolysis chamber <NUM>.

As shown in <FIG>, inductive continuous pyrolysis system <NUM> may additionally include a feeding chamber <NUM> including an input opening <NUM> for receiving grinded materials, and an output opening <NUM> for providing the grinded material to the input opening <NUM> of pyrolysis chamber <NUM>. The grinded materials may typically be plastic materials such as polyethylene, polypropylene, etc. The output opening <NUM> of feeding chamber <NUM> and the input opening <NUM> of pyrolysis chamber <NUM> may be connected by tube <NUM>.

Inductive continuous pyrolysis system <NUM> may additionally include a Nitrogen source <NUM>, such as a Nitrogen generator, such as a membrane nitrogen generator, or a pressure swing adsorption (PSA) nitrogen generator, etc. Nitrogen source <NUM> may be coupled to feeding chamber <NUM> or to tube <NUM>, for example via a pipe <NUM>. A pump <NUM>, coupled to the input opening of Nitrogen source <NUM> may pump air into Nitrogen source <NUM>. Alternatively, or additionally, a pump <NUM> may be coupled to pipe <NUM>, to pump Nitrogen into feeding chamber <NUM> or tube <NUM>.

Nitrogen source <NUM> and pump <NUM> pump Nitrogen into feeding chamber <NUM> or tube <NUM> to maintain pressure above ambient pressure to prevent ambient air from entering pyrolysis chamber <NUM>. Gaseous pressure within feeding chamber <NUM> or tube <NUM> may be measured using a pressure sensor <NUM> installed within feeding chamber <NUM> or tube <NUM>.

Inductive continuous pyrolysis system <NUM> may additionally include a controller <NUM>. Controller <NUM> may be any type of computational device or system, typically including at least one processor, at least one memory and/or storage device, and at least one communication device or interface enabling the processor to communicate input data, and/or output data, and/or control at least one sensor device, actuating device, motor, pump, etc..

Controller <NUM> may be electrically coupled to, and/or controllably electrically coupled to pumping devices <NUM> and <NUM> via connecting elements A, and/or to pressure transducer <NUM> via connecting element B, and/or to the temperature sensor <NUM> via connecting element C.

Additionally, controller <NUM> may be electrically coupled to, and/or controllably electrically coupled via connecting element D to induction radiator <NUM>, for example by controlling power supply <NUM>. Controller <NUM> may be electrically coupled to, and/or controllably electrically coupled via connecting element E to conveyer <NUM> carrying the grinded material from feeding chamber <NUM> into pyrolysis chamber <NUM>, for example by controlling a motor <NUM>. Controller <NUM> may be electrically coupled to, and/or controllably electrically coupled via connecting element F to motor <NUM> rotating the pyrolysis chamber <NUM>.

Controller <NUM> may be configured to control induction radiator <NUM>, and/or conveyer <NUM>, and/or motor <NUM>, for example, to maintain a predetermined temperature and/or temperature range, for example according to measurements received from temperature sensor <NUM>.

Reference is now made to <FIG>, which is a simplified illustration of cut through a heating chamber <NUM>, which may be optional part of inductive continuous pyrolysis system <NUM>, according to one exemplary embodiment.

As an option, the illustration of <FIG> may be viewed in the context of the previous Figures. Of course, however, the illustration of <FIG> may be viewed in the context of any desired environment. Further, the aforementioned definitions may equally apply to the description below.

The heating chamber <NUM> of <FIG> may replace the Nitrogen source <NUM> of <FIG>. The heating chamber <NUM> of <FIG> operates similarly to the heating chamber <NUM> of <FIG> but serves only to provide low Oxygen gaseous content to feeding chamber <NUM> or pipe <NUM>.

Heating chamber <NUM> of <FIG> may include a flame thruster <NUM>, and a O<NUM> sensor <NUM>, as well as a source of flammable material <NUM>. Flame thruster <NUM> may control the amount and mix of ambient air and flammable material, inject the ambient air and flammable material into the heating chamber <NUM> and ignite a flame to produce gaseous material having low level of O<NUM>. Subsequently, controller <NUM> may be configured to receive O<NUM> measurements from O<NUM> sensor <NUM> (e.g., via connector G) and control flame thruster <NUM> (e.g., via connector H) accordingly to produce gaseous material having O<NUM> concentration between <NUM>% and <NUM>%. It is appreciated that O<NUM> sensor may be replaced by a CO<NUM> sensor or a similar sensor.

Reference is now made to <FIG>, which is a simplified illustration of cut through the longitude of an inductive continuous pyrolysis system <NUM> with a stationary pyrolysis chamber <NUM>, and to <FIG>, which is a simplified illustration of cut through the latitude of inductive continuous pyrolysis system <NUM> with the stationary pyrolysis chamber <NUM>, according to one exemplary embodiment.

As shown in <FIG>, inductive continuous pyrolysis system <NUM> may include air pump <NUM> coupled to the input opening of nitrogen source <NUM> (such as the nitrogen source <NUM> of <FIG>), which output may be coupled to stationary pyrolysis chamber <NUM> through pipes <NUM> and pump <NUM> pumping Nitrogen into stationary pyrolysis chamber <NUM>.

Stationary pyrolysis chamber <NUM> may include a feeding chamber <NUM> with opening <NUM> for feeding grinded materials into stationary pyrolysis chamber <NUM>, as well as gas output <NUM> and liquid and ash output <NUM>. Gas output <NUM> may be coupled to a check valve such as check valve device <NUM> of <FIG>, or separator <NUM> of <FIG>, or any similar device.

Stationary pyrolysis chamber <NUM> may include an inner layer <NUM> of solid non-ferrous material, an external layer <NUM> of heat-insulation material, and an inductor (induction radiator) <NUM> embedded in the external layer. Inductor <NUM> may include, or may be electrically coupled to, a power supply <NUM> to feed electric current to inductor <NUM>.

Stationary pyrolysis chamber <NUM> may include a conveyer, or agitator, such as worm, or spiral, conveyer <NUM>, to distribute throughout the stationary pyrolysis chamber <NUM> the grinded or shredded material that may be entered via the feeding chamber <NUM>. Conveyer, or agitator, <NUM> may be made of ferrous material, or a similar material that may absorb the radiation emitted by inductor <NUM>. Hence conveyer, or agitator, <NUM> may also produce heat and distribute the heat among the grinded or shredded material distributed within stationary pyrolysis chamber <NUM>.

Pyrolysis chamber <NUM> is stationary in the sense that it is not rolling such as pyrolysis chamber <NUM> of <FIG>, and/or pyrolysis chamber <NUM> of <FIG>. Instead, the conveyer, or agitator, <NUM> is rolling to distribute grinded or shredded materials, as well as heat, within pyrolysis chamber <NUM>. Stationary pyrolysis chamber <NUM> a motor <NUM> and an axle <NUM> to rotate conveyer, or agitator, <NUM>.

As shown in <FIG>, inductive continuous pyrolysis system <NUM> may include a computational device (controller) <NUM>, similar to controller <NUM> of inductive continuous pyrolysis system <NUM> of <FIG>, with similar functions and connections to components of inductive continuous pyrolysis system <NUM>, such as sensors, pumps, and motors. For example, for sensing temperature, pressure, Oxygen concentration, etc. and to control pumps <NUM> and <NUM>, motor <NUM>, and inductor <NUM>, for example by controlling power supply <NUM> and/or electric current provided to inductor <NUM>.

Reference is now made to <FIG>, which is a simplified illustration of cut through the latitude of an inductive continuous pyrolysis system <NUM> with a dual stationary pyrolysis chamber <NUM> and two spiral conveyers <NUM>, according to one exemplary embodiment.

It is understood that a pyrolysis chamber such as stationary pyrolysis chamber <NUM> may include any number of conveyers, or agitators, such as worm, or spiral, conveyer <NUM>. <FIG> shows such dual pyrolysis chamber <NUM> with two spiral conveyers <NUM>. Other than including two spiral conveyers <NUM>, dual pyrolysis chamber <NUM> may have a structure similar to pyrolysis chamber <NUM>. Other than the dual pyrolysis chamber <NUM>, continuous pyrolysis system <NUM> may have structure and components similar to inductive continuous pyrolysis system <NUM>.

Reference is now made to <FIG>, which is a simplified illustration of cut through the latitude of an inductive continuous pyrolysis system <NUM> with a dual pyrolysis chamber <NUM> and two propeller conveyers <NUM>, according to one exemplary embodiment.

As shown in <FIG>, inductive continuous pyrolysis system <NUM> is similar to inductive continuous pyrolysis system <NUM> of <FIG>, however including two propeller conveyers <NUM> instead of the spiral conveyers <NUM> of inductive continuous pyrolysis system <NUM>. Each of propeller conveyers <NUM> may include a plurality of 'wings' <NUM> distributed along the axis <NUM> of each propeller conveyers <NUM> so that when being rotated the wings <NUM> of a first propeller conveyers <NUM> do not collide with wings <NUM> of a second propeller conveyers <NUM>.

Reference is now made to <FIG>, which is a simplified illustration of cut through a vertically rotating pyrolysis chamber <NUM> with a fixed agitator <NUM>, of an inductive continuous pyrolysis system <NUM>, according to one exemplary embodiment.

As shown in <FIG>, inductive continuous pyrolysis system <NUM> is similar to inductive continuous pyrolysis system <NUM> if <FIG>, however its pyrolysis chamber <NUM> is rotating about a vertical axis, and therefore the input and outputs of the pyrolysis chamber <NUM> is arranged accordingly.

It is appreciated that Nitrogen source <NUM> of inductive continuous pyrolysis system <NUM> (as shown in <FIG>) may be replaced by heating chamber <NUM> of <FIG>, or any other source of low-Oxygen air, or a similar gas material.

Reference is now made to <FIG>, which is a simplified illustration of cut through a vertically stationary inductive continuous pyrolysis system <NUM> with a vertically rotating agitator <NUM>, according to one exemplary embodiment.

As shown in <FIG>, inductive continuous pyrolysis system <NUM> is similar to inductive continuous pyrolysis system <NUM> of <FIG>, however having a vertically rotating agitator <NUM>.

It is appreciated that certain features, which are, for clarity, described in the context of separate embodiments, may also be provided in combination in a single embodiment. Conversely, various features, which are, for brevity, described in the context of a single embodiment, may also be provided separately or in any suitable sub-combination.

Claim 1:
A system (<NUM>) for continuous pyrolysis comprising:
a pyrolysis chamber (<NUM>) comprising a first input opening (<NUM>), and a first output opening (<NUM>);
a heating chamber (<NUM>) comprising a second input opening (<NUM>), and a second output opening (<NUM>);
a feeding chamber (<NUM>) comprising:
a third feeding opening (<NUM>), opened to ambient atmosphere and arranged to receive grinded material;
a third pressure opening (<NUM>); and
a third output opening (<NUM>) coupled to the first input opening (<NUM>) of the pyrolysis chamber (<NUM>);
a flame injector device (<NUM>) coupled to the second input opening (<NUM>) of the heating chamber (<NUM>) and injecting ambient air and combustible material into the heating chamber (<NUM>);
a pumping device (<NUM>) comprising:
an input opening (<NUM>) coupled to the second output opening (<NUM>) of the heating chamber (<NUM>); and
an output opening (<NUM>) coupled to the third pressure opening (<NUM>) of the feeding chamber (<NUM>);
at least one of:
a O<NUM> sensor (<NUM>) installed within the heating chamber (<NUM>); and
a pressure transducer (<NUM>) installed within the feeding chamber (<NUM>); and
a controller (<NUM>) electrically coupled to the O<NUM> sensor (<NUM>), to the pressure transducer (<NUM>), to the flame injector (<NUM>) and to the pumping device (<NUM>), and configured to maintain at least one of:
control the flame injector device (<NUM>) to inject at least one of said ambient air and said combustible material to maintain within the heating chamber (<NUM>) O<NUM> concentration between <NUM>% and <NUM>%; and
control the pumping device (<NUM>) to maintain pressure in the feeding chamber (<NUM>) above ambient pressure to prevent ambient air from entering the feeding chamber (<NUM>) via the third feeding opening (<NUM>).