JP2024017728A - Fuel gas generation device and method - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a fuel gas generation device and a fuel gas generation method.

SOLUTION: The present invention provides a fuel gas generation device, the fuel gas generation device comprises a separating column type furnace and a heating facility, the separating column type furnace comprises an accommodation space, and is divided into a lower mixing chamber, a middle mixing chamber, and an upper mixing chamber by a first gas induction unit and at least one second gas induction unit, and the at least one second gas guiding unit has a plurality of cyclonic blowing units. The present invention further provides a fuel gas production method. The fuel gas generation device and method of the present invention have excellent heat conduction and mass transfer effects, and also generate reusable fuel gas by performing a pyrolysis reaction, and can reduce overall energy consumption and realize an idea of a circular economy.

SELECTED DRAWING: None

COPYRIGHT: (C)2024,JPO&INPIT

Description

TECHNICAL FIELD The present invention relates to a fuel gas generation device and method, and particularly to a fuel gas generation device and method using waste.

Common waste disposal methods include incineration, pyrolysis, melting, and smelting. All of these change the composition and physical, chemical and biological properties of the waste by operating thermochemical treatments.

The processing temperature of the above incineration method, melting method and smelting method must all reach 1000℃, and among them, the incineration method decomposes organic matter and produces stable gases such as harmless carbon dioxide and water vapor. , and make it into a substance. The melting method oxidizes harmful organic substances or volatilizes heavy metals, and causes the remaining harmful substances to remain in the slag. Smelting methods also incorporate waste into a high temperature metal smelting process. Incineration, melting, and smelting methods all require the input of large amounts of fuel or energy sources, resulting in high processing costs.

The processing temperature of pyrolysis methods is relatively low, generally below 1000°C, and the resulting products can contain fuel or chemical raw materials, for example in Chinese Patent Publication No. CN109628682B, waste plastic granules are heated It is decomposed into gas and used in steel manufacturing. However, how to effectively improve the efficiency of converting waste into fuel or chemical raw materials is a problem that requires continued research.

In order to solve the above problems, the present invention provides a fuel gas generation device, which includes:
including a separating column furnace, which
accommodation space,
a first gas guiding unit having a plurality of spaced apart perforations; and at least one second gas guiding unit having a plurality of through holes and a plurality of cyclonic blow units;
Therein, the plurality of through holes are installed at intervals from each other, each of the cyclone type blower units has a communication passage, and the communication passage of each of the cyclone type blower units is located at a position relative to each of the through holes. The first gas induction unit and the at least one second gas induction unit are installed in sequence from the bottom to the top of the separating column furnace, and are arranged in correspondence and in communication with each other. The housing space is divided into a plurality of layered mixing chambers communicating with each other, wherein the plurality of layered mixing chambers are located between the bottom of the layered column furnace and the first gas induction unit. a lower mixing chamber located between the first gas induction unit and the at least one second gas induction unit; and an intermediate mixing chamber located between the first gas induction unit and the at least one second gas induction unit; includes an upper mixing chamber located between the units;
an air supply port used to provide reaction gas;
a first material supply port used to provide thermally conductive material;
a second material supply port used to provide the target organic substance;
A first discharge port used for discharging the target organic matter after the treatment, and the target organic matter after the treatment contains the fuel gas, and
including a second outlet used for discharging the thermally conductive material;
Therein, the accommodation space, the air supply port, the first material supply port, the second material supply port, the first discharge port, and the second discharge port communicate with each other, and the air supply port is installed in the lower mixing chamber, and
It includes heating equipment connected to or surrounding the above-mentioned separating column type furnace.

The air supply port and the first gas induction unit installed in the present invention improve the efficiency of heat conduction and mass transfer by forming a fluidized bed in the accommodation space of the heat conductive material, the target organic substance, and the reaction gas. and the mixing effect of the heat conductive material, target organic matter and reaction gas is greatly improved by the plurality of cyclonic blowing units of the at least one second gas induction unit. This enhances the effect of thermal decomposition, reduces or prevents the production of dioxins, and reduces or prevents the formation of scale inside the separating column furnace. In addition, compared with the conventional single furnace tube, the present invention is divided into multiple layers of mixing chambers by a first gas induction unit and at least one second gas induction unit, and each layer of mixing chamber is divided into multiple layers of mixing chambers. Since the reaction environment of the pyrolysis method can be precisely and precisely controlled, the pyrolysis effect can be further improved and the fuel gas content in the upper mixing chamber can be increased.

Since the present invention converts target organic matter into fuel gas through thermochemical treatment, and the target organic matter belongs to waste, the present invention can not only achieve the purpose of reducing the volume and weight of waste, but also reuse it. It belongs to the category of new green chemistry because it is possible to generate fuel gas and turn waste into resources.

In an embodiment, the separating column furnace has a tubular shape.

In an embodiment, the separating column furnace has an inner wall, and the inner wall surrounds the accommodation space.

In the embodiment, the first material supply port is installed in the upper mixing chamber, but is not limited thereto. Preferably, the first material supply port is installed at the top of the separating column furnace, and can also be a sight hole.

In the embodiment, the second material supply port is installed in the intermediate mixing chamber, but the invention is not limited thereto.

In the embodiment, the first outlet is installed in the upper mixing chamber, but the invention is not limited thereto. Preferably, the first outlet is close to the top of the split column furnace.

In the embodiment, the second outlet is installed in the lower mixing chamber, but the invention is not limited thereto. Preferably, the second outlet is installed at the bottom of the stratifying column furnace to facilitate collection of the heat-conducting material or the target organic matter that has not been gasified.

In an embodiment, the width of the upper mixing chamber gradually increases in the direction from the at least one second gas induction unit to the top of the separating column furnace. In other words, the width of the portion adjacent to the top of the layered column furnace is greater than the width of the portion adjacent to the at least one second gas induction unit. Through the design of gradually increasing the width of the upper mixing chamber, the present invention can effectively reduce the rising rate of target organic matter, and also prevent the thermal conductive material from overflowing from the first material supply port, or still completely It is possible to prevent solid particles of the target organic substance that have not been gasified from entering the first outlet.

In an embodiment, the width of the upper mixing chamber is greater than the width of the middle mixing chamber.

In the embodiment, a filter is installed in the upper mixing chamber. Preferably, the filter is installed between the first outlet and the at least one second gas guiding unit. More preferably, the filter is installed at a location where the width of the upper mixing chamber starts to gradually expand, thereby preventing solid granules of the target organic material that have not yet been completely gasified from entering the first outlet. Strengthen prevention.

In an embodiment, the at least one second gas guiding unit includes one second gas guiding unit.

In an embodiment, the at least one second gas guiding unit includes a plurality of second gas guiding units, and any one mixing chamber located between any two adjacent second gas guiding units is This is the middle and upper layer mixing chamber. Preferably, the plurality of second gas guiding units are parallel to each other. More preferably, the plurality of second gas induction units is from two to eight.

In an embodiment, the plurality of second gas induction units are connected in parallel with each other. Preferably, the plurality of second gas induction units are connected in parallel in order from the bottom to the top of the separating column furnace, for example, the plurality of second gas induction units are connected to two second gas induction units. induction units, which are installed in order from the bottom to the top of the separating column furnace, and each of which is connected to at least one gas induction equipment, so that the at least one gas induction equipment It is advantageous to simultaneously supply gas to each said second gas induction unit. In other words, after the reaction gas is first sent to the second gas induction unit close to the bottom of the layering column furnace, the remaining reaction gas is transferred to the second gas induction unit adjacent to the top of the layering column furnace. Rather than being sent to a gas induction unit, the reaction gas is immediately diverted to each of the second gas induction units after leaving the at least one gas induction installation.

In an embodiment, the width of the upper mixing chamber is greater than the width of each of the middle and upper mixing chambers.

In an embodiment, the widths of the lower mixing chamber, the middle mixing chamber, and each of the middle and upper mixing chambers are all the same.

In an embodiment, the first gas guiding unit has opposing first and second planes, and each of the perforations extends from the first plane to the second plane, and Based on the area, the total cross-sectional area of each of the perforations located in the first plane is 0.1-1.5%.

According to the invention, the first plane of the first gas guiding unit faces the top of the separating column furnace, and the cross-sectional area of each of the perforations is not subtracted from the total area of the first plane. .

In an embodiment, the first gas guiding unit is a reactive gas distribution plate. Preferably, the material of the reaction gas distribution plate is stainless steel, but is not limited thereto.

In an embodiment, the first gas guiding unit is installed horizontally, ie approximately perpendicular to the bottom-to-top direction of the layered column furnace.

In an embodiment, the first gas guiding unit is connected to the inner wall of the separating column furnace, thereby dividing the first gas induction unit into a plurality of mixing chambers. Preferably, the first gas induction unit is in direct contact with the inner wall of the layered column furnace.

In an embodiment, each said second gas induction unit is installed horizontally, ie approximately perpendicular to the bottom-to-top direction of said layered column furnace. Preferably, said first gas guiding unit and each said second gas guiding unit are parallel.

In an embodiment, each of the second gas induction units is connected to the inner wall of the separating column furnace, thereby dividing it into a plurality of mixing chambers. Preferably, each said second gas induction unit is in direct contact with the inner wall of said split column furnace.

In an embodiment, the communication passage of each of the cyclonic blower units has a tubular shape. Preferably, the diameter or longest inner diameter of the communicating path is larger than the height of the communicating path. More preferably, the radius or half of the longest inner diameter of the communicating path is larger than the height of the communicating path.

In the embodiment, the communication passages of each of the cyclonic blower units and each of the through-holes are precisely aligned with each other on a one-to-one basis. Preferably, the diameter or longest inner diameter of the communication passage of each of the cyclonic blower units is equal to the diameter or longest inner diameter of each of the through holes.

In an embodiment, each of the cyclone type fumarole units has a plurality of fumarole pipes, in which each of the fumarole pipes has a fumarole port and an inlet that communicate with each other, and the fumarole port of each of the fumarole pipes has a They each face the communication path of the cyclone type blower units to which they belong. Preferably, the fumaroles of each said fumarole tube are all oriented in a clockwise or counterclockwise direction, thereby providing a cyclonic airflow.

In the embodiment, the fumarole ports of each of the fumarole pipes are installed at intervals in the communication passage of the cyclone type blower unit to which it belongs, so that a cyclonic airflow is formed in the communication passage of the cyclone type blower unit to which it belongs. be advantageous to

In embodiments, each of the blow tubes has a straight shape or an arc shape. Preferably, each said blow tube has an arc shape, which further improves the degree of swirling of the cyclonic airflow.

In an embodiment, each of the above-mentioned blow tubes is installed along a substantially tangential direction of the outer edge of the communication passage of the cyclone blow unit to which it belongs, thereby further improving the swirling degree of the cyclone air flow.

In the embodiment, the blow direction of the blowhole of each blower pipe is substantially parallel to the tangential direction of the outer edge of the communication passage of the associated cyclonic blower unit, thereby further improving the swirling degree of the cyclonic airflow.

In an embodiment, the cross-sectional outer contour of each said cyclonic blower unit is substantially polygonal, for example pentagonal, hexagonal, heptagonal, octagonal or nonagonal; The cross-sectional direction of the blower unit is substantially perpendicular to the direction from the bottom to the top of the above-mentioned separating column furnace. Preferably, a blow pipe is provided on each side of the polygon. More preferably, each of the fumarole pipes protrudes in a direction away from the communication path of the cyclone type fumarole unit to which it belongs. In other words, the inlet of each said fumarole pipe is located outside said polygon, which is advantageous for connection with said at least one gas induction facility.

In an embodiment, the outer contour of the cross-section of each of the cyclone type fumarole units is approximately circular, and the cross-sectional direction of each of the cyclone type fumarole units is approximately perpendicular to the direction from the bottom to the top of the separating column type furnace. It is. Preferably, each of the fumarole pipes projects away from the communication path of the cyclonic blow unit to which it belongs. In other words, the inlet of each said fumarole pipe is located outside said circle, which is advantageous for connection with said at least one gas induction facility.

In an embodiment, the air flow direction of each of the perforations of the first gas guiding unit and each of the through holes of the at least one second gas guiding unit is from the bottom to the top of the stratifying column furnace. , thereby forming an ascending gas phase. By comparison, each of the cyclonic fume units emit fume in a direction perpendicular to the bottom-to-top direction of the separating column furnace. In other words, each of the above-mentioned cyclone type blowing units blows air in the horizontal direction.

In an embodiment, the heating equipment is connected to or surrounds any one or a combination of the lower mixing chamber, the middle mixing chamber, the upper middle mixing chamber, and the upper mixing chamber. Preferably, the heating equipment is connected to or surrounds the middle and upper mixing chambers and/or the upper mixing chamber. More preferably, the heating equipment is connected to or surrounds a portion of the upper mixing chamber adjacent to the at least one second gas induction unit.

In an embodiment, the fuel gas generation device of the present invention further includes transportation equipment, and is connected to the second material supply port. Preferably, the transportation equipment includes a screw conveyor or an air conveyor.

In an embodiment, the fuel gas generation device of the present invention further includes at least one gas induction equipment connected to the air supply port, and preferably, the at least one gas induction equipment is a Roots blower, a centrifugal blower, a ring blower, etc. Including type blower or axial blower.

In an embodiment, said at least one gas induction facility is connected to said air supply port and to an inlet port of each said fumarole pipe. Preferably, the at least one gas induction facility is connected to the inlet of each fumarole pipe by at least one long pipe.

In an embodiment, the at least one gas induction equipment is one gas induction equipment, and the gas induction equipment is connected to the air supply port and the inlet of each of the fumarole pipes, respectively.

In an embodiment, the at least one gas induction facility is a plurality of gas induction facilities, and the plurality of gas induction facilities include a first gas induction facility connected to the air supply port, and each of the fumarole pipes. including a second gas induction facility connected to the air inlet of the gas inlet.

In an embodiment, the at least one gas induction equipment is equipped with an orifice flow meter and/or a warmer.

In an embodiment, the fuel gas generation device of the present invention further includes a heat exchange facility, which is connected to the first outlet. The heat exchange equipment installed in the present invention is capable of recovering thermal energy in the fuel gas and transporting it to the heating equipment of the fuel gas generation device and/or the warmer of the at least one gas induction equipment. Yes, this reduces overall energy consumption and waste heat.

In embodiments, the heating equipment of the present invention includes an electric heater, a boiler heater, or a high frequency heater. Preferably, the heating temperature of the heating equipment is 400°C or more and 950°C or less, such as, but not limited to, 400°C, 500°C, 600°C, 700°C, 800°C, 900°C, or 950°C. .

In addition, the present invention provides a method for generating fuel gas, which includes:
a fluidizing step of providing a thermally conductive material, a target organic substance, and a reactive gas to the fuel gas generation device, and forming a fluidized bed in the containing space with the thermally conductive material, the target organic substance, and the reactive gas; ,as well as,
The method includes a gasification step of heating the fluidized bed and gasifying the target organic substance to obtain the fuel gas.

Based on the present invention, "gasifying the target organic substance" refers to converting the target organic substance into fuel gas by a pyrolysis method.

In embodiments, the fluidizing step includes:
a filling step of filling the accommodation space with the thermally conductive material from the first material supply port;
a preheating step of increasing the temperature of the accommodation space by the heating equipment;
a material input step of inputting the target organic substance from the second material supply port;
The reaction gas is introduced from the air supply port, and the reaction gas is connected to each of the perforations of the first gas induction unit, each of the through holes of the at least one second gas induction unit, and the communication of each of the cyclonic blower units. a gas guiding step of forming an ascending gas phase by passing through the passages in order and causing the reaction gas to pass from the lower mixing chamber to the middle mixing chamber and then to the upper mixing chamber;
and providing a cyclonic airflow by introducing the reactant gas from each of the cyclonic blowing units of the at least one second gas induction unit.

In the embodiment, the heating temperature during the gasification step is 400°C or more and 950°C or less, for example, 400°C, 500°C, 600°C, 700°C, 800°C, 900°C or 950°C. but not limited to.

In an embodiment, the preheating step and the gasification step employ the same temperature.

In an embodiment, the fuel gas generation method of the present invention further includes a step of recovering fuel gas heat, connecting a heat exchange equipment to the first outlet of the stratifying column furnace, thereby converting the thermal energy of the fuel gas into At the same time, the thermal energy is transported to the heating equipment of the fuel gas generation device.

In an embodiment, the fuel gas generation device of the present invention further includes at least one gas induction equipment connected to the air supply port, and the at least one gas induction equipment is installed with a heater, and The heat exchange equipment transports the thermal energy to the heating equipment of the fuel gas generation device and/or the warmer of the at least one gas induction equipment.

In embodiments, the thermally conductive material includes a catalyst.

In embodiments, the thermally conductive material includes any one or a combination of silica sand, an iron-based catalyst, a copper-based catalyst, and a calcium-containing compound.

In an embodiment, the diameter of the thermally conductive material is 0.1 mm or more and 0.6 mm or less. According to the invention, the diameter of the thermally conductive material can increase the efficiency of heat conduction or catalytic reaction.

In an embodiment, the silica sand includes quartz sand, and the iron-based catalyst includes triiron tetroxide (Fe ₃ O ₄ ), pentaron dicarbide (Fe ₅ C ₂ ), nickel iron alloy (Ni-Fe), or iron nitrogen. Doped carbon material (Fe-N-C) is included, and the copper-based catalyst is copper/zinc oxide (Cu/ZnO), copper/zinc oxide/aluminum oxide (Cu/ZnO/Al ₂ O ₃ ), or copper/zinc oxide. / zirconium oxide (Cu/ZnO/ZrO ₂ ), and/or the calcium-containing compound includes calcium oxide, calcium hydroxide, or calcium carbonate.

In examples, the target organic substances include alkyls, alcohols, esters, ketones, sludge, plastic materials, polarizers, paint residues, printed circuit board (PCB) membrane filtration residues, and automobile debris. It includes any one or a combination of auto shredder residue (ASR) and agricultural auxiliary materials.

In an embodiment, the plastic material includes polyurethane (PU) or epoxy resin, the plastic material is a polymer, and the agricultural auxiliary material is any one of rice husk, rice straw, and roadside tree residue. or a combination thereof, and/or the sludge comprises an organic sludge or an inorganic sludge.

In embodiments, the reactive gas includes any one or a combination of air, nitrogen gas, water vapor, and carbon dioxide. The present invention can prevent the generation of air pollutants such as dioxins by selecting a specific reactive gas.

Preferably, the concentration of the oxygen gas is 0% or more and 20% or less. Compared to the disadvantages of the incineration method, such as high oxygen consumption and a large carbon footprint due to the use of carbon dioxide as the final product, the fuel gas production method of the present invention is low oxygen or oxygen-free. In addition to being environmentally friendly, it can generate reusable fuel gas and turn waste into resources, making it possible to realize the idea of a circular economy.

In embodiments, the fuel gas includes any one or a combination of hydrogen gas, carbon monoxide, and short chain hydrocarbon compounds. Preferably, the short chain hydrocarbon compound comprises any one or a combination of methane, ethane and ethylene.

To summarize the above contents, the fuel gas generation device of the present invention forms a fluidized bed in the thermally conductive material, the target organic substance, and the reaction gas, and has a mixing effect by the plurality of cyclone blower units of at least one second gas induction unit. The reaction environment of the pyrolysis method for each layer mixing chamber can be improved significantly by dividing the mixing chamber into multiple layers by the first gas induction unit and at least one second gas induction unit. It can be precisely and accurately controlled, greatly increases the efficiency of converting waste into fuel or chemical feedstock, and reduces overall energy consumption, which has environmental benefits.

1 is a schematic diagram of an embodiment of a fuel gas generation device of the present invention. FIG. 3 is a three-dimensional view of the first gas induction unit of the fuel gas generation device of the present invention. FIG. 3 is a schematic top view of the cyclonic blower unit of at least one second gas induction unit of the fuel gas generation device of the present invention. FIG. 3 is a cross-sectional view of the cyclonic blower unit of the at least one second gas induction unit of the fuel gas generation device of the present invention. FIG. 3 is a schematic diagram of another embodiment of the fuel gas generation device of the present invention. 1 is a flowchart of an embodiment of the fuel gas generation method of the present invention. It is a flowchart of the fluidization step of the fuel gas generation method of the present invention.

In order to facilitate the explanation of embodiments of the present invention, several operating methods are provided below. Through the contents of this specification, those who are familiar with this technology will be able to understand the features and effects that the present invention can achieve, as well as how various modifications and changes can be made without departing from the spirit of the present invention. Students can easily understand that they are implementing or applying the content.

[Fuel gas generator]
As shown in FIG. 1, the fuel gas generation device 1 of the present invention includes a separating column furnace 10, which includes a housing space 100,
a first gas guiding unit 101 having a plurality of spaced apart perforations 1010;
including at least one second gas induction unit 102A having a plurality of through holes 1020 and a plurality of cyclonic blower units 1021;
Among them, the plurality of through holes 1020 are installed at intervals from each other, and the numbers of the plurality of through holes 1020 and the plurality of cyclone type blower units 1021 are the same, and both are eight in number, and each The cyclone-type blower unit 1021 has a communication passage 10210, and the communication passages 10210 of each of the cyclone-type blower units 1021 correspond in position to each of the through-holes 1020 and are in communication with each other. The first gas induction unit 101 and the at least one second gas induction unit 102A are installed in order from the bottom 103 to the top 104 of the layered tower furnace 10, thereby communicating the accommodation space 100 with each other. divided into multiple layers of mixing chambers,
Among them, the mixing chamber of the plurality of layers includes a lower mixing chamber 1000A located between the bottom part 103 of the separating column type furnace 10 and the first gas induction unit 101, a lower mixing chamber 1000A located between the first gas induction unit 101 and the above-mentioned first gas induction unit 101; An intermediate mixing chamber 1000B located between at least one second gas induction unit 102A, and an upper mixing chamber 1000C located between the top 104 of the separating column furnace 10 and the at least one second gas induction unit 102A. including;
an air supply port 105 used to provide reaction gas;
a first material supply port 106 used to provide thermally conductive material;
a second material supply port 107 used to provide the target organic substance;
A first discharge port 108 is used for discharging the target organic matter after the treatment, and the target organic matter after the treatment contains the fuel gas, and
including a second outlet 109 used for discharging the thermally conductive material;
Therein, the accommodation space 100, the air supply port 105, the first material supply port 106, the second material supply port 107, the first discharge port 108, and the second discharge port 109 communicate with each other. , and the air supply port 105 is installed in the lower mixing chamber 1000A,
It also includes a heating facility 11 connected to or surrounding the above-mentioned separating column furnace 10.

In addition, the first material supply port 106 is installed in the upper mixing chamber 1000C, the second material supply port 107 is installed in the middle mixing chamber 1000B, and the first discharge port 108 is installed in the upper mixing chamber 1000C. and the second discharge port 109 is installed in the lower mixing chamber 1000A.

As shown in FIG. 2, the first gas guiding unit 101 has a first plane 1011 and a second plane 1012 facing each other, and each of the perforations 1010 extends from the first plane 1011 to the second plane 1012. Also, based on the total area of the first plane 1011, the total cross-sectional area of each of the perforations 1010 located on the first plane 1011 is 0.1 to 1.5%.

FIG. 3 is a top view of the cyclone type blower unit 1021. First, the outer contour of each of the cyclone type blower units 1021 is approximately octagonal, and a blower pipe 10212 is provided on every side 10211. A total of eight fumarole pipes 10212 are provided.

Second, each of the fumarole pipes 10212 has a fumarole port 102120 and an inlet port 102121 that communicate with each other, and the fumarole port 102120 of each of the fumarole pipes 10212 is a communication path of the cyclone type fumarole unit 1021 to which it belongs, respectively. 10210 and are all oriented in a counterclockwise direction.

Thirdly, the fumarole ports 102120 of each of the fumarole pipes 10212 are installed at intervals in the communication path 10210 of the cyclone type fumarole unit 1021 to which it belongs, and each of the fumarole pipes 10212 is installed in the communication path 10210 of the cyclone type fumarole unit 1021 to which it belongs. It is installed along a substantially tangential direction of the outer edge of the passageway 10210.

Finally, each of the fumarole pipes 10212 protrudes in a direction away from the communication passage 10210 of the cyclone type fume unit 1021 to which it belongs. In other words, the intake ports 102121 of each of the fumarole pipes 10212 are located outside the octagon.

As can be seen from FIG. 4, each of the cyclone type blower units 1021 includes a plurality of blower tubes 10212, and thus has a plurality of gas flow paths 102122 inside.

[Fuel gas generator]
As shown in FIG. 5, the fuel gas generation device 1 of the present invention includes two second gas induction units 102A and 102B, and a mixing chamber located between the two second gas induction units 102A and 102B is located inside. This is the upper mixing chamber 1000D.

In addition, the width of the upper mixing chamber 1000C gradually increases from the at least one second gas induction unit 102B to the top 104 of the separating column furnace 10, that is, the separating column furnace The width of the portion adjacent to the top portion 104 of 10 is larger than the width of the portion adjacent to the at least one second gas induction unit 102B, thereby effectively reducing the rate of rise of the target organic matter, and the heat conductive material can be prevented from overflowing from the first material supply port 106, or solid granules of the target organic material that have not yet been completely gasified can be prevented from entering the first discharge port 108.

Finally, the width of the upper mixing chamber 1000C is greater than the width of the middle and upper mixing chamber 1000D.

[Fuel gas generation method]
As shown in FIG. 6, the fuel gas generation method of the present invention includes a fluidization step S1 and a gasification step S2.

As shown in FIGS. 1 and 6, the fluidization step S1 provides the heat conductive material, the target organic substance, and the reaction gas to the fuel gas generation device 1 shown in FIG. The gas forms a fluidized bed in the accommodation space 100, specifically, the fluidized bed is formed by mixing quartz sand, waste, and nitrogen gas, and the diameter of the quartz sand is 0.1 mm. It is not less than 0.6 mm. Further, in the gasification step S2, the fuel gas is obtained by heating the fluidized bed and gasifying the target organic substance, and specifically, the heating temperature is 400°C or more and 950°C or less; Purpose: Pyrolyze organic matter and turn it into fuel gas.

[Fuel gas generation method]
As shown in FIGS. 6 and 7, the fluidization step S1 of the fuel gas generation method of the present invention includes a filling step S1-1, a preheating step S1-2, a material charging step S1-3, and a gas guiding step S1-4. include.

As shown in FIGS. 1 and 7, in the filling step S1-1, the accommodation space 100 is filled with the thermally conductive material from the first material supply port 106. In the preheating step S1-2, the temperature of the accommodation space 100 is increased by the heating equipment 11. In the material input step S1-3, the target organic substance is inputted from the second material supply port 107. Further, in the gas guiding step S1-4, the reactive gas is introduced from the air supply port 105, and the reactive gas is supplied to each of the perforations 1010 of the first gas guiding unit 101 and the at least one second gas guiding unit 102A. The reaction gas is made to pass through each of the through holes 1020 and the communication passages 10210 of each of the cyclone blower units 1021 in order, and the reaction gas is passed from the lower mixing chamber 1000A to the middle mixing chamber 1000B, and then to the upper mixing chamber 1000C. By reaching it, a rising gas phase is formed,
and providing a cyclonic airflow by introducing the reaction gas from each of the cyclonic blower units 1021 of the at least one second gas guiding unit 102A.

To summarize the above contents, the fuel gas generation device and method of the present invention have excellent heat conduction and mass transfer effects, and can be recycled by reducing or avoiding the use of oxygen gas and performing thermal decomposition. It can produce usable fuel gas, reduce the overall cost of using energy resources, and realize the idea of a circular economy.

In embodiments, the reactive gas includes any one or a combination of air, oxygen gas, nitrogen gas, water vapor, and carbon dioxide. The present invention can prevent the generation of air pollutants such as dioxins by selecting a specific reactive gas.

Claims (10)

A fuel gas generator, which includes:
including a separating column furnace, which
accommodation space,
a first gas guiding unit having a plurality of spaced apart perforations; and at least one second gas guiding unit having a plurality of through holes and a plurality of cyclonic blow units;
The plurality of through holes are installed at intervals from each other, each of the cyclone type blower units has a communication passage, and the communication passage of each of the cyclone type blower units corresponds in position to each of the through holes, and The first gas guiding unit and the at least one second gas guiding unit are in communication with each other, and the first gas guiding unit and the at least one second gas guiding unit are installed in sequence from the bottom to the top of the separating column furnace, so that the accommodation space is is divided into multiple layers of mixing chambers communicating with each other, in which
The multi-layer mixing chamber includes a lower mixing chamber located between the bottom of the separating column furnace and the first gas induction unit, and a lower mixing chamber located between the first gas induction unit and the at least one second gas induction unit. an intermediate mixing chamber located in between, and an upper mixing chamber located between the top of the separating column furnace and the at least one second gas induction unit;
an air supply port used to provide reaction gas;
a first material supply port used to provide thermally conductive material;
a second material supply port used to provide the target organic substance;
a first outlet used for discharging the target organic substance after treatment, and containing the fuel gas; and a second outlet used for discharging the thermally conductive material;
The accommodation space, the air supply port, the first material supply port, the second material supply port, the first discharge port, and the second discharge port are in communication with each other, and the air supply port is connected to the lower layer mixing port. A fuel gas generation device, which is provided in a chamber and includes a heating facility connected to or surrounding the separating column furnace. The first material supply port is installed in the upper mixing chamber, the second material supply port is installed in the middle mixing chamber, the first discharge port is installed in the upper mixing chamber, and the second discharge port is installed in the upper mixing chamber. The fuel gas generation device according to claim 1, wherein is installed in the lower mixing chamber. The fuel gas generation device according to claim 1, wherein the width of the upper mixing chamber gradually increases from the at least one second gas induction unit to the top of the splitting column furnace. The at least one second gas induction unit includes a plurality of second gas induction units, and any one mixing chamber located between any two adjacent second gas induction units is an upper middle mixing chamber. The fuel gas generation device according to claim 1, wherein the width of the upper mixing chamber is larger than the width of the middle and upper mixing chamber. The first gas guiding unit has opposing first and second planes, and each of the perforations extends from the first plane to the second plane, and with respect to the total area of the first plane. , the total cross-sectional area of each of the perforations located in the first plane is 0.1 to 1.5%, the fuel gas generation device according to claim 1. Each of the cyclone-type fumarole units has a plurality of fumarole pipes, each of the fumarole pipes having a fumarole port and an intake port that communicate with each other, and the fume ports of each of the fumarole pipes are connected to the cyclone type to which it belongs, respectively. 2. The fuel gas generation device according to claim 1, wherein the cyclonic airflow is provided by being oriented toward the communication passage of the blower unit and oriented entirely in a clockwise or counterclockwise direction. The device further includes a transportation equipment connected to the second material supply port, at least one gas induction equipment connected to the air supply port, and a heat exchange equipment connected to the first discharge port, Wherein, the transportation equipment includes a screw conveyor or an air conveyor, the at least one gas induction equipment includes a roots blower, a centrifugal blower, a ring blower or an axial flow blower, and the heating equipment includes an electric heater, a boiler type 7. A fuel gas generation device according to any one of claims 1 to 6, comprising a heater or a high frequency heater, and wherein the first gas guiding unit is a reactive gas distribution plate. A fuel gas generation method, the method comprising:
A thermally conductive material, a target organic substance, and a reaction gas are provided to the fuel gas generation device according to any one of claims 1 to 7, and the thermally conductive material, the target organic substance, and the reaction gas are provided in the accommodation space. A method for producing a fuel gas, comprising: a fluidizing step of forming a fluidized bed; and a gasifying step of heating the fluidized bed and gasifying the target organic substance to obtain the fuel gas. The fluidization step includes:
a filling step of filling the accommodation space with the thermally conductive material from the first material supply port;
a preheating step of increasing the temperature of the accommodation space by the heating equipment;
a material input step of inputting the target organic substance from the second material supply port; The reaction gas passes through each of the through holes of the two gas induction units and the communication passages of each of the cyclone type blower units in order, and reaches the upper mixing chamber after passing through the middle mixing chamber from the lower mixing chamber. including a gas induction step to form an ascending gas phase by causing
and providing a cyclonic airflow by admitting the reactant gas from each cyclonic blower unit of the at least one second gas induction unit. The thermally conductive material includes any one or a combination of silica sand, an iron-based catalyst, a copper-based catalyst, and a calcium-containing compound, and the thermally conductive material has a diameter of 0.1 mm or more and 0.6 mm or less,
The target organic substances include alkyls, alcohols, esters, ketones, sludge, plastic materials, polarizers, paint residues, printed circuit board (PCB) membrane filtration residues, and auto shredder residues. residue, ASR) and agricultural auxiliary materials or a combination thereof,
and the plastic material includes polyurethane (PU) or epoxy resin (epoxy),
The agricultural auxiliary materials include any one or a combination of rice husk, rice straw, and roadside tree residue;
The reaction gas includes any one or a combination of air, nitrogen gas, water vapor, and carbon dioxide,
and the concentration of the oxygen gas is 0% or more and 20% or less, and
The fuel gas includes any one or a combination of hydrogen gas, carbon monoxide, and a short-chain hydrocarbon compound, and the short-chain hydrocarbon compound includes any one of methane, ethane, and ethylene, or a combination thereof. The fuel gas generation method according to claim 8, comprising:

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