KR102596138B1 - Solid oxide fuel cell system through comprising high temperature reverting resource recovery apparatus, waste heat recovery heat exchange generator, hot-water supply unit and synthesis gas generation unit comprised thereof - Google Patents

Abstract

As the disclosed solid oxide fuel cell system equipped with a high-temperature reduction resource conversion device includes an organic waste supply member, a high-temperature reduction furnace member, a post-treatment unit, a synthesis gas tank, and a solid oxide fuel cell, the organic waste supply member, Synthesis gas containing hydrogen, which is formed from organic waste while passing through the high-temperature reduction reactor member, the post-treatment unit, and the synthesis gas tank, can be supplied to the solid oxide fuel cell to generate power, so that hydrogen can be generated by the solid oxide fuel cell. It has the advantage of being able to be supplied in an environmentally friendly manner.

Description

A solid oxide fuel cell system equipped with a high-temperature reduction-to-resource device, a waste heat recovery heat exchange generator constituting the solid oxide fuel cell system equipped with the high-temperature reduction-to-resource device, a hot water supply unit constituting the solid oxide fuel cell system equipped with the high-temperature reduction-to-resource device, and the high temperature Solid oxide fuel cell system through comprising high temperature reverting resource recovery apparatus, waste heat recovery heat exchange generator, hot-water supply unit and synthesis gas generation unit comprised thereof. }

The present invention relates to a solid oxide fuel cell system equipped with a high-temperature reduction-to-resource device, a waste heat recovery heat exchange generator constituting the solid oxide fuel cell system equipped with the high-temperature reduction-to-resource device, and a hot water supply unit to constitute the solid oxide fuel cell system equipped with the high-temperature reduction-to-resource device. and a syngas power generation unit constituting the solid oxide fuel cell system equipped with the high-temperature reduction resource conversion device.

A solid oxide fuel cell refers to a fuel cell that uses a solid oxide capable of permeating hydrogen ions as an electrolyte, and an example of such a solid oxide fuel cell is the patent document presented below.

However, in the past, it was difficult to provide environmentally friendly hydrogen supplied to the solid oxide fuel cell or it was quite expensive, making it difficult to ensure environmental friendliness in the operation of the solid oxide fuel cell.

Additionally, in the past, there was a problem in that separate heat energy unrelated to the operation of the solid oxide fuel cell had to be input to preheat the gas containing hydrogen supplied to the solid oxide fuel cell.

Additionally, in the past, the exhaust gas discharged from the solid oxide fuel cell was simply discarded, leading to a problem in which the utilization of the exhaust gas was extremely low.

Registration Patent No. 10-1985452, registration date: 2019.05.28., title of invention: high temperature fuel cell system

The present invention is a solid oxide fuel cell system equipped with a high-temperature reduction resource conversion device that enables hydrogen to be supplied in an environmentally friendly manner to a solid oxide fuel cell, a waste heat recovery heat exchange generator constituting the solid oxide fuel cell system equipped with the high-temperature reduction resource conversion device, and the high-temperature reduction device. One purpose is to provide a hot water supply unit constituting a solid oxide fuel cell system equipped with a resource conversion device and a syngas power generation unit constituting the solid oxide fuel cell system equipped with the high-temperature reduction resource conversion device.

Another object of the present invention is to use heat energy generated during operation of the solid oxide fuel cell, rather than separate heat energy unrelated to the operation of the solid oxide fuel cell, to preheat the gas containing hydrogen supplied to the solid oxide fuel cell. A solid oxide fuel cell system equipped with a high-temperature reduction resource conversion device, a waste heat recovery heat exchange generator constituting the solid oxide fuel cell system equipped with the high temperature reduction resource conversion device, and hot water constituting the solid oxide fuel cell system equipped with the high temperature reduction resource conversion device. To provide a syngas power generation unit constituting a solid oxide fuel cell system equipped with a supply unit and the high-temperature reduction resource conversion device.

Another object of the present invention is to construct a solid oxide fuel cell system equipped with a high-temperature reduction and resource conversion device and a solid oxide fuel cell system equipped with the high-temperature reduction and resource conversion device to improve the utilization of the exhaust gas discharged from the solid oxide fuel cell. To provide a waste heat recovery heat exchange generator, a hot water supply unit constituting the solid oxide fuel cell system equipped with the high temperature reduction resource conversion device, and a syngas power generation unit constituting the solid oxide fuel cell system equipped with the high temperature reduction resource conversion device.

A solid oxide fuel cell system equipped with a high-temperature reduction resource recovery device according to one aspect of the present invention includes an organic waste supply member that supplies organic waste, which is a waste material of organic compounds; A high-temperature reduction furnace member that receives the organic waste supplied from the organic waste supply member and reduces the organic waste to form synthesis gas (syngas) containing hydrogen and carbon monoxide; A post-processing unit for post-processing the synthesis gas formed in the high-temperature reduction furnace member; a syngas tank storing the syngas that has passed through the post-processing unit; and a solid oxide fuel cell that generates power by receiving the syngas stored in the syngas tank.

The waste heat recovery heat exchange generator according to one aspect of the present invention includes an organic waste supply member that supplies organic waste, which is a waste of organic compounds, and the organic waste supplied from the organic waste supply member is received, and the organic waste is reduced to produce hydrogen. and a high-temperature reduction furnace member that forms a synthesis gas containing carbon monoxide, a post-treatment unit that post-processes the synthesis gas formed in the high-temperature reduction furnace member, and a synthesis gas that stores the synthesis gas that has passed through the post-treatment unit. Consists of a solid oxide fuel cell system equipped with a high-temperature reduction resource conversion device including a tank and a solid oxide fuel cell that receives the syngas stored in the syngas tank and generates power,

It is characterized in that power generation can be performed by the Seebeck effect while recovering the heat of the exhaust gas discharged from the solid oxide fuel cell to form hot water.

The hot water supply unit according to one aspect of the present invention includes an organic waste supply member that supplies organic waste, which is a waste of organic compounds, and the organic waste supplied from the organic waste supply member is received, and the organic waste is reduced to produce hydrogen and A high-temperature reduction furnace member that forms a synthesis gas containing carbon monoxide, a post-treatment unit that post-processes the synthesis gas formed in the high-temperature reduction furnace member, and a synthesis gas tank that stores the synthesis gas that has passed through the post-treatment unit. and a solid oxide fuel cell system equipped with a high-temperature reduction resource conversion device including a solid oxide fuel cell that receives the syngas stored in the syngas tank and generates power,

A waste heat recovery heat exchange generator capable of generating power by the Seebeck effect while recovering the heat of the exhaust gas discharged from the solid oxide fuel cell to form hot water; and a hot water tank containing the hot water generated in the waste heat recovery heat exchange generator.

The syngas power generation unit according to one aspect of the present invention includes an organic waste supply member that supplies organic waste, which is a waste of organic compounds, and the organic waste supplied from the organic waste supply member is received, and the organic waste is reduced to produce hydrogen. and a high-temperature reduction furnace member that forms a synthesis gas containing carbon monoxide, a post-treatment unit that post-processes the synthesis gas formed in the high-temperature reduction furnace member, and a synthesis gas that stores the synthesis gas that has passed through the post-treatment unit. Consists of a solid oxide fuel cell system equipped with a high-temperature reduction resource conversion device including a tank and a solid oxide fuel cell that receives the syngas stored in the syngas tank and generates power,

A waste heat recovery heat exchange generator capable of generating power by the Seebeck effect while recovering the heat of the exhaust gas discharged from the solid oxide fuel cell to form hot water; and a syngas generator that receives the syngas via the solid oxide fuel cell and generates power.

A solid oxide fuel cell system equipped with a high-temperature reduction-to-resource device according to an aspect of the present invention, a waste heat recovery heat exchange generator constituting the solid oxide fuel cell system equipped with the high-temperature reduction-to-resource device, and a solid oxide fuel cell system equipped with the high-temperature reduction-to-resource device. According to the syngas power generation unit constituting the hot water supply unit and the solid oxide fuel cell system equipped with the high temperature reduction resource conversion device, the solid oxide fuel cell system equipped with the high temperature reduction resource conversion device includes an organic waste supply member, a high temperature reduction reactor member, As it includes a post-treatment unit, a synthesis gas tank, and a solid oxide fuel cell, hydrogen is formed from organic waste while passing through the organic waste supply member, the high-temperature reduction furnace member, the post-treatment unit, and the synthesis gas tank. Since the synthetic gas containing the gas can be supplied to the solid oxide fuel cell to generate electricity, there is an effect that hydrogen can be supplied to the solid oxide fuel cell in an environmentally friendly manner.

A solid oxide fuel cell system equipped with a high-temperature reduction-to-resource device according to another aspect of the present invention, a waste heat recovery heat exchange generator constituting the solid oxide fuel cell system equipped with the high-temperature reduction-to-resource device, and a solid oxide fuel cell system equipped with the high-temperature reduction-to-resource device. According to the syngas power generation unit constituting the hot water supply unit and the solid oxide fuel cell system equipped with the high temperature reduction resource conversion device, in the solid oxide fuel cell system equipped with the high temperature reduction resource conversion device, the synthesis gas stored in the synthesis gas tank It is first preheated by the heat of the synthesis gas absorbed by the synthesis gas downstream cooler while passing through the synthesis gas downstream cooler, and by the heat of the synthesis gas absorbed by the synthesis gas preheating member while passing through the synthesis gas preheating member. By secondary preheating, for preheating the synthesis gas, which is a gas containing hydrogen supplied to the solid oxide fuel cell, it is generated during the operation of the solid oxide fuel cell, rather than as separate heat energy unrelated to the operation of the solid oxide fuel cell. This has the effect of allowing the generated heat energy to be used.

According to another aspect of the present invention, a solid oxide fuel cell system equipped with a high-temperature reduction to resources device, a waste heat recovery heat exchange generator constituting the solid oxide fuel cell system equipped with the high temperature reduction to resources device, and a solid oxide fuel cell system equipped with the high temperature reduction to resources device. According to the hot water supply unit and the syngas power generation unit constituting the solid oxide fuel cell system equipped with the high-temperature reduction resource recovery device, the heat generated during the power generation process in the solid oxide fuel cell is provided as a waste heat recovery heat exchange generator is provided. Since waste heat can be recovered so that hot water and additional power generation can be performed, there is an effect of improving the utilization of the exhaust gas discharged from the solid oxide fuel cell.

1 is a diagram showing the configuration of a solid oxide fuel cell system equipped with a high-temperature reduction and resource conversion device according to an embodiment of the present invention.
Figure 2 is a perspective view looking obliquely from above at a waste heat recovery heat exchange generator constituting a solid oxide fuel cell system equipped with a high-temperature reduction resource recovery device according to an embodiment of the present invention.
FIG. 3 is a view looking up from below with the upper part of the waste heat recovery heat exchange generator shown in FIG. 2 cut away.
Figure 4 is an enlarged view of portion A shown in Figure 3.
Figure 5 is a perspective view looking obliquely from above at a waste heat recovery heat exchange generator constituting a solid oxide fuel cell system equipped with a high-temperature reduction resource recovery device according to another embodiment of the present invention.

Hereinafter, with reference to the drawings, a solid oxide fuel cell system equipped with a high-temperature reduction resource conversion device according to embodiments of the present invention, a waste heat recovery heat exchange generator constituting a solid oxide fuel cell system equipped with the high-temperature reduction resource conversion device, and a high-temperature reduction resource conversion device. The hot water supply unit constituting the solid oxide fuel cell system and the syngas power generation unit constituting the solid oxide fuel cell system equipped with the high-temperature reduction resource conversion device will be described.

Figure 1 is a diagram showing the configuration of a solid oxide fuel cell system equipped with a high-temperature reduction and resource conversion device according to an embodiment of the present invention, and Figure 2 is a diagram showing the configuration of a solid oxide fuel cell system equipped with a high temperature reduction and resource recovery device according to an embodiment of the present invention. It is a perspective view of the waste heat recovery heat exchange generator that constitutes the waste heat recovery heat exchange generator viewed from above, Figure 3 is a view looking up from below with the upper part of the waste heat recovery heat exchange generator shown in Figure 2 cut away, and Figure 4 is a view of part A shown in Figure 3. This is an enlarged view.

Referring to FIGS. 1 to 4 together, the solid oxide fuel cell system 100 equipped with a high-temperature reduction resource conversion device according to this embodiment includes an organic waste supply member 110, a high-temperature reduction furnace member 111, and a post-treatment unit. It includes a synthesis gas tank 118 and a solid oxide fuel cell 120.

The organic waste supply member 110 supplies organic waste, which is waste of organic compounds.

Here, examples of the organic waste include livestock manure generated from agriculture and livestock industry.

An external supply pipe 130 that supplies the organic waste to the organic waste supply member 110 from the outside is connected to the front end of the organic waste supply member 110.

The organic waste supply member 110 is connected to the lower part of the high-temperature reduction furnace member 111 through a supply pipe 131, so that the organic waste supplied through the organic waste supply member 110 is supplied through the supply pipe ( It is supplied into the high temperature reduction furnace member 111 through 131).

The high-temperature reduction furnace member 111 receives the organic waste supplied from the organic waste supply member 110 and reduces the organic waste to form synthesis gas (syngas) containing hydrogen and carbon monoxide.

Inside the high-temperature reduction reactor member 111, an oxidation region and a reduction region are formed as separate regions, and the fuel (synthesis gas stored in and supplied from the synthesis gas tank 118) is supplied to the oxidation region. And as oxygen is oxidized in the oxidation zone, heat is generated, and the reduction zone is created as a high-temperature environment with a preset temperature of 1,300°C or more by the heat generated in the oxidation zone, and a high temperature environment is created with the preset temperature. As the organic waste is reduced in the reduction zone, the synthesis gas containing hydrogen and carbon monoxide is formed. The high-temperature reduction furnace member 111 is registered in Patent No. 10-2375772 (title of the invention: waste from agriculture and livestock industry) Since the waste reduction member of drawing number 150 of the resource conversion device can be applied, the overlapping description and illustrations are replaced with the description and illustration of the waste reduction member of drawing number 150 of the above registered patent No. 10-2375772, and herein, the specific Description and illustration will be omitted.

The post-processing unit post-processes the syngas formed in the high-temperature reduction furnace member 111 before storing it in the syngas tank 118.

The post-treatment unit includes a syngas front-end cooler 112 and a syngas post-cooler 114.

In addition, the post-treatment unit may further include a cyclone dust collector 113, a demister 115, and a hydrogen sulfide remover 116.

The outlet end of the high-temperature reduction furnace member 111 and the syngas front-end cooler 112 are connected by a discharge heat exchange connection pipe 132.

The synthesis gas front-end cooler 112 is disposed at the rear end of the high-temperature reduction furnace member 111 based on the flow direction of the synthesis gas, and absorbs the heat of the synthesis gas formed in the high-temperature reduction furnace member 111. It can be done.

The syngas front-end cooler 112 rapidly cools the syngas formed in the high-temperature reduction furnace member 111 at a temperature of about 1300°C or higher to about 200°C.

The cyclone dust collector 113 is disposed at the rear end of the syngas front-end cooler 112 based on the flow direction of the syngas, and removes dust contained in the syngas.

The syngas front-end cooler 112 and the cyclone dust collector 113 are connected by a front-end cyclone connector 133.

The syngas rear-end cooler 114 is disposed on the rear side of the cyclone dust collector 113 based on the flow direction of the syngas, and absorbs the heat of the synthetic gas passing through the cyclone dust collector 113. It is possible.

The syngas rear-end cooler 114 cools the syngas cooled to about 200° C. in the syngas front-end cooler 112 again.

The cyclone dust collector 113 and the syngas rear-end cooler 114 are connected by a cyclone rear-end connector 134.

The demister 115 is disposed at the rear end of the synthesis gas rear cooler 114 based on the flow direction of the synthesis gas to separate moisture contained in the synthesis gas.

The syngas rear-stage cooler 114 and the demister 115 are connected by a rear-stage demister connector 135.

The hydrogen sulfide remover 116 is disposed at the rear end of the demister 115 based on the flow direction of the synthesis gas, and separates hydrogen sulfide (H ₂ S) that may be contained in the synthesis gas.

The demister 115 and the hydrogen sulfide remover 116 are connected by a demi-hydrogen sulfide connector 136.

The syngas tank 118 stores the syngas that has passed through the post-processing unit.

An intensifier 117 is installed between the post-treatment unit and the synthesis gas tank 118 to increase the pressure of the synthesis gas.

The hydrogen sulfide remover 116 and the pressure intensifier 117 of the post-treatment unit are connected by a hydrogen sulfide intensifier pipe 137, and the pressure intensifier 117 and the synthesis gas tank 118 are connected to the intensifier tank connection pipe ( 138).

The synthesis gas tank 118 and the high-temperature reduction furnace member 111 are connected by a tank reduction furnace connection pipe 139, so that the synthesis gas stored in the synthesis gas tank 118 is connected to the tank reduction furnace connection pipe ( It can be supplied to the high-temperature reduction furnace member 111 through 139).

The solid oxide fuel cell 120 receives the syngas stored in the syngas tank 118 and generates power.

In detail, the solid oxide fuel cell 120 is supplied with the synthesis gas containing hydrogen to the anode, receives oxygen from the outside to the cathode, performs power generation, and discharges exhaust gas containing heat (thermal energy) and water. Since the solid oxide fuel cell 120 is general, illustration and description of its specific configuration will be omitted here.

The synthesis gas supplied to the solid oxide fuel cell 120 contains approximately 66% hydrogen and 33% carbon monoxide, and the synthesis gas discharged after generating power from the solid oxide fuel cell 120 is It changes to a state containing approximately 33% hydrogen, 16.5% carbon monoxide, 16.5% carbon dioxide, and 33% water. Therefore, the synthesis gas containing approximately 33% hydrogen, 16.5% carbon monoxide, 16.5% carbon dioxide, and 33% water can be input into the synthesis gas generator 121, which will be described later, so that hydrogen is approximately 66%. , the knocking phenomenon that may occur when the syngas containing about 33% of carbon monoxide is directly supplied to the syngas generator 121 can be prevented.

In this embodiment, the synthesis gas stored in the synthesis gas tank 118 is preheated by the heat of the synthesis gas absorbed in the synthesis gas rear-end cooler 114 while passing through the synthesis gas rear-stage cooler 114. In addition, the solid oxide fuel cell system 100 equipped with a high-temperature reduction and resource conversion device further includes a syngas preheating member 119.

The syngas preheating member 119 is stored in the syngas tank 118 and passes through the syngas rear-end cooler 114 before the preheated syngas is supplied to the solid oxide fuel cell 120. As it passes through, it exchanges heat with the synthesis gas discharged after passing through the solid oxide fuel cell 120 and is preheated.

The synthetic gas tank 118 and the synthetic gas rear-end cooler 114 are connected by a rear-tank connector 140, and the synthetic gas rear-stage cooler 114 and the synthetic gas preheating member 119 are connected to the rear-end preheater. It is connected by a pipe 141, and the syngas preheating member 119 and the supply end on the anode side of the solid oxide fuel cell 120 are connected by the preheating fuel cell connection pipe 142, so that the syngas tank The synthetic gas stored in (118) is first preheated while passing through the synthetic gas rear end cooler 114 through the tank rear end connection pipe 140, and then the synthesis gas is passed through the rear end preheating connection pipe 141. In a secondary preheated state via the gas preheating member 119, it is supplied to the anode of the solid oxide fuel cell 120 through the preheating fuel cell connector 142 and used for power generation.

The discharge end on the anode side of the solid oxide fuel cell 120 and the syngas preheating member 119 are connected by a fuel cell preheating connector 143, and the syngas preheating member 119 and the syngas generator to be described later (121) is connected by the preheating syngas power generation connector 144, so that the syngas used for power generation in the solid oxide fuel cell 120 and then discharged from the discharge end is connected to the fuel cell preheating connector 143. The synthesis gas stored in the synthesis gas tank 118 is preheated while passing through the synthesis gas preheating member 119, and then the preheated synthesis gas is generated for power generation. It may flow into the syngas generator 121 through the connection pipe 144 and be used for power generation in the syngas generator 121.

The solid oxide fuel cell system 100 equipped with a high-temperature reduction-to-resource device further includes a waste heat recovery heat exchange generator 124, an intake preheating member 123, and a hot water tank 125.

The intake preheating member 123 is an external preheated unit by the heat of the synthetic gas (directed from the high-temperature reduction furnace member 111 to the syngas tank 118) absorbed in the syngas rear-end cooler 114. As air and the exhaust gas discharged from the solid oxide fuel cell 120 exchange heat, the outside air is further preheated by the heat of the exhaust gas.

The syngas rear-end cooler 114 and the intake preheating member 123 are connected by a rear intake preheating connector 148, and the intake preheating member 123 and the cathode side of the solid oxide fuel cell 120 The supply end is connected by the intake preheating fuel cell connector 149, and the discharge end on the cathode side of the solid oxide fuel cell 120 and the intake preheating member 123 are connected by the fuel cell intake preheating connector 101. Connected, the intake preheating member 123 and the waste heat recovery heat exchange generator 124 are connected by the intake preheating waste heat recovery connection pipe 102, so that the outside air is preheated while passing through the syngas downstream cooler 114. In this state, the exhaust gas passes through the intake preheating member 123 through the rear intake preheating connector 148, and the exhaust gas passes through the intake preheating member 123 through the fuel cell intake preheating connector 101. As a result, the outside air can be additionally preheated by the exhaust gas in the intake preheating member 123.

Then, the external air passing through the intake preheating member 123 is supplied to the cathode of the solid oxide fuel cell 120 through the intake preheating fuel cell connector 149 and used for power generation, and the intake preheating The exhaust gas passing through the member 123 is supplied to the waste heat recovery heat exchange generator 124 through the intake preheating waste heat recovery connection pipe 102 and is used for forming hot water and additional power generation.

The waste heat recovery heat exchange generator 124 constitutes the solid oxide fuel cell system 100 equipped with the high-temperature reduction resource recovery device, and recovers the heat of the exhaust gas discharged from the cathode side of the solid oxide fuel cell 120 to generate hot water. While forming, power generation can be performed by the Seebeck effect, and its specific configuration will be described later.

The hot water tank 125 accommodates the hot water generated in the waste heat recovery heat exchange generator 124.

The hot water contained in the hot water tank 125 can be supplied to demand sources such as homes through the hot water supply pipe 105 for purposes such as heating and hot water supply.

The low-temperature water passes through the waste heat recovery heat exchange generator 124 and is changed into the hot water, and then the hot water is supplied to the hot water tank 125 through the waste heat recovery hot water flow pipe 104 and stored.

Here, the low-temperature water may be supplied from an external water source, or may be supplied at a relatively low temperature from the lower part of the hot water tank 125.

Drawing number 103 is a generator-side exhaust gas discharge pipe through which the exhaust gas that has passed through the waste heat recovery heat exchange generator 124 is discharged to the outside.

The waste heat recovery heat exchange generator 124 includes a waste heat recovery heat exchange power generation main body 151, an exhaust gas flow pipe 152, a waste heat recovery heat exchange pipe 155, a low temperature side thermoelectric element 180, and a high temperature side thermoelectric element ( 185, 186).

In addition, the waste heat recovery heat exchange generator 124 includes a high temperature side outer heat absorption portion 175, a low temperature side outer heat absorption portion 170, a low temperature water supply pipe 160, a low temperature side thermoelectric connector 161, and , It may include a low- and high-temperature thermoelectric connector 162, a high-temperature side thermoelectric connector 163, a thermoelectric waste heat recovery connector 164, and a hot water discharge pipe 165.

In addition, the waste heat recovery heat exchange generator 124 may further include a high temperature side heat sink 178 and a low temperature side heat sink 173.

The waste heat recovery heat exchange power generation body 151 is formed in a shape in which a rectangular parallelepiped body that is long up and down and has an empty interior and a tapered upper and lower body are connected.

The exhaust gas flow pipe 152 is disposed to penetrate the waste heat recovery heat exchange power generation body 151 through which the exhaust gas discharged from the solid oxide fuel cell 120 flows.

Exemplarily, the exhaust gas flow pipe 152 is arranged to penetrate the central part of the waste heat recovery heat exchange power generation body 151 in a direction from the top to the bottom.

One end of the exhaust gas flow pipe 152 is connected to the intake preheating waste heat recovery connection pipe 102, and the other end of the exhaust gas flow pipe 152 is connected to the generator side exhaust gas discharge pipe 103, The exhaust gas flowing through the intake preheating waste heat recovery connection pipe 102 loses heat through the exhaust gas flow pipe 152 and is then discharged to the outside through the generator side exhaust gas discharge pipe 103.

The waste heat recovery heat exchange pipe 155 is arranged in a zigzag pattern that passes through the waste heat recovery heat exchange power generation main body 151 a plurality of times, so that while the low-temperature water flows, the heat of the exhaust gas flowing through the exhaust gas flow pipe 152 It absorbs and changes into the hot water.

The low-temperature side thermoelectric element 180 can generate power by the Seebeck effect in a portion of the exhaust gas flow path through the exhaust gas flow pipe 152 where the exhaust gas is at a relatively low temperature.

When the exhaust gas flow pipe 152 is arranged to penetrate the central part of the waste heat recovery heat exchange power generation body 151 in a direction from the top to the bottom, the low temperature side thermoelectric element 180 is connected to the waste heat recovery heat exchange power generation body 151. ) is placed at the bottom of the.

The high-temperature side thermoelectric elements 185 and 186 can generate power by the Seebeck effect in a portion of the exhaust gas flow path through the exhaust gas flow pipe 152 where the exhaust gas is at a relatively high temperature.

When the exhaust gas flow pipe 152 is arranged to penetrate the central part of the waste heat recovery heat exchange power generation main body 151 in a direction from the top to the bottom, the high temperature side thermoelectric elements 185 and 186 are connected to the waste heat recovery heat exchange power generation main body 151. It is placed at the top of (151).

The high-temperature side thermoelectric elements 185 and 186 are located on each outer portion of the waste heat recovery heat exchange power generation body 151 where the exhaust gas flow pipe 152 begins (here, the upper part of the waste heat recovery heat exchange power generation body 151). It is arranged in a pair to face each other in the portion, and the low-temperature side thermoelectric element 180 is located at the end of the exhaust gas flow pipe 152 in the waste heat recovery heat exchange power generation main body 151 (here, the waste heat recovery heat exchange power generation main body ( They are arranged in pairs facing each other on each outer part of the lower part of 151).

The high-temperature side outer heat absorption portion 175 faces each other at the part where the exhaust gas flow pipe 152 begins in the waste heat recovery heat exchange power generation main body 151 (here, the upper part of the waste heat recovery heat exchange power generation main body 151). They are arranged in pairs so as to be in contact with the outer edges of each of the high-temperature thermoelectric elements 185 and 186, and are discharged to the outside as the low-temperature water flows and generates power in each of the high-temperature thermoelectric elements 185 and 186. It absorbs heat.

Inside the high-temperature side outer heat absorption portion 175, a pipe through which the low-temperature water flows is arranged in a zigzag pattern, and as the low-temperature water flows, power generation is performed in each of the high-temperature side thermoelectric elements 185 and 186 and is discharged to the outside. It absorbs heat.

One of the high temperature side outer heat absorption units 175 (176) is disposed on one side of the outer side of the waste heat recovery heat exchange power generation main body 151 where the exhaust gas flow pipe 152 begins, and the high temperature side outer heat absorber 175 The other one (177) of the absorption units (175) is disposed on the other side of the waste heat recovery heat exchange power generation body (151) on the outer side of the part where the exhaust gas flow pipe (152) begins.

The low-temperature side outer heat absorption portion 170 faces each other at the end of the exhaust gas flow pipe 152 in the waste heat recovery heat exchange power generation main body 151 (here, the lower part of the waste heat recovery heat exchange power generation main body 151). They are arranged as a pair, each in contact with the outer edge of each low-temperature side thermoelectric element 180, and absorb heat discharged to the outside as the low-temperature water flows and power generation is performed in each low-temperature side thermoelectric element 180. .

Inside the low-temperature side outer heat absorption unit 170, pipes through which the low-temperature water flows are arranged in a zigzag pattern, so that as the low-temperature water flows and power generation is performed in each low-temperature side thermoelectric element 180, the heat discharged to the outside is generated. It is to be absorbed.

One of the low-temperature side outer heat absorption units 170 (171) is disposed on one side of the outer side of the waste heat recovery heat exchange power generation main body 151 where the exhaust gas flow pipe 152 ends, and absorbs the low-temperature side outer heat absorption. The other one (172) of the parts (170) is disposed on the other side of the waste heat recovery heat exchange power generation body (151) at the end of the exhaust gas flow pipe (152).

Each of the high-temperature side thermoelectric elements 185, 186 and the high-temperature side outer heat absorption portion 175 are arranged to sequentially contact the upper outer edge of the waste heat recovery heat exchange power generation main body 151, and the waste heat recovery heat exchange power generation main body ( 151), each of the low-temperature side thermoelectric elements 180 and the low-temperature side outer heat absorption portion 170 are arranged to sequentially contact each other. Then, some of the hot air emitted from the exhaust gas flow pipe 152 penetrating the inside of the waste heat recovery heat exchange power generation main body 151 is absorbed into the waste heat recovery heat exchange pipe 155, and is discharged from the exhaust gas flow pipe 152. The remainder of the emitted heat is used for power generation in each of the high-temperature side thermoelectric elements 185, 186 and each low-temperature side thermoelectric element 180, and then is used to generate heat in the high-temperature side outer heat absorption unit 175 and the low-temperature side outer heat absorption. It can be absorbed into the low-temperature water through the part 170.

The low-temperature water supply pipe 160 allows the low-temperature water to be introduced into one 171 of the low-temperature side outer heat absorption portions 170.

The low-temperature water supply pipe 160 is selectively connected to the water source and the hot water tank 125, so that the low-temperature water can be supplied from one or both of the water source and the hot water tank 125.

The low-temperature side thermoelectric connector 161 allows the low-temperature water passing through one (171) of the low-temperature side outer heat absorption portions (170) to pass through the other one (172) of the low-temperature side outer heat absorption portions (170). A pair of the low-temperature side outer heat absorption portions 170 are connected to each other.

The low-temperature thermoelectric connector 162 allows the low-temperature water that has passed through the other one (172) of the low-temperature side outer heat absorption portions (170) to pass through one (176) of the high-temperature side outer heat absorption portions (175). The other one (172) of the low temperature side outer heat absorption portions (170) is connected to one (176) of the high temperature side outer heat absorption portions (175).

The high-temperature side thermoelectric connector 163 allows the low-temperature water that has passed through one (176) of the high-temperature side outer heat absorption portions (175) to pass through the other one (177) of the high-temperature side outer heat absorption portions (175). A pair of the high temperature side outer heat absorption portions 175 are connected to each other.

The thermoelectric waste heat recovery connection pipe 164 is connected to the high temperature side outer heat absorption portion such that the low temperature water passing through the other one 177 of the high temperature side outer heat absorption portion 175 flows into the waste heat recovery heat exchange pipe 155. The other one (177) of (175) is connected to the waste heat recovery heat exchange pipe (155).

The hot water discharge pipe 165 is connected to the hot water flow pipe 104 and discharges the hot water formed in the waste heat recovery heat exchange pipe 155 toward the hot water tank 125.

The high-temperature side heat sink 178 is made of a metal material with excellent thermal conductivity, such as copper, and crosses the inside of the waste heat recovery heat exchange power generation body 151 to each outer surface of the waste heat recovery heat exchange power generation body 151 and each high temperature. Each end portion of the high-temperature side heat sink 178 is formed between the side thermoelectric elements 185 and 186, and the heat inside the waste heat recovery heat exchange power generation body 151 is distributed to each high-temperature side thermoelectric element 185. , 186).

The low-temperature side heat sink 173 is made of a metal material with excellent thermal conductivity, such as copper, and crosses the inside of the waste heat recovery heat exchange power generation body 151 to each outer surface of the waste heat recovery heat exchange power generation body 151 and each low temperature. Each end portion of the low-temperature side heat sink 173 is formed between the side thermoelectric elements 180 to direct the heat inside the waste heat recovery heat exchange power generation body 151 to each low-temperature side thermoelectric element 180. It is to convey.

Each outer surface of the upper part of the waste heat recovery heat exchange power generation body 151, each end portion of the high temperature side heat sink 178, each high temperature side thermoelectric element 185, 186, and each high temperature side outer heat absorption portion 175. are arranged in contact with each other to transfer heat, and each outer surface of the lower part of the waste heat recovery heat exchange power generation body 151, each end portion of the low temperature side heat sink 173, each low temperature side thermoelectric element 180, and the Each low-temperature side outer heat absorption portion 170 is arranged in contact with each other to effect heat transfer.

The low-temperature water supplied through the low-temperature water supply pipe 160 is connected to one of the low-temperature side outer heat absorption portions 170 (171), the low-temperature side thermoelectric connector 161, and the low-temperature side outer heat absorption portion 170. the other one (172), the low- and high-temperature thermoelectric connector 162, one of the high-temperature side outer heat absorption portions 175 (176), the high temperature side thermoelectric connector 163, and the high temperature side outer heat absorption portion. It is preheated by absorbing a part of the heat of the exhaust gas flowing through the exhaust gas flow pipe 152 while passing through the other one (177) of (175), and then recovers the waste heat through the thermoelectric waste heat recovery connection pipe 164. As it flows into the heat exchange pipe 155 and flows through the waste heat recovery heat exchange pipe 155, it absorbs the heat of the exhaust gas and changes it into the hot water, and the hot water is discharged through the hot water discharge pipe 165 to become the hot water. It can be stored in tank 125.

The exhaust gas flow pipe 152 penetrates up and down the waste heat recovery heat exchange power generation main body 151. Based on the flow direction of the exhaust gas through the exhaust gas flow pipe 152, the waste heat recovery heat exchange power generation main body 151 ) of the front portion before full-scale heat exchange takes place in the exhaust gas flow pipe 152 and the waste heat recovery heat exchange pipe 155 (the portion where the waste heat recovery heat exchange pipe 155 is formed in the waste heat recovery heat exchange power generation main body 151) of the waste heat recovery heat exchange power generation main body 151) and the rear portion of the waste heat recovery heat exchange power generation main body 151 after full-scale heat exchange has occurred in the exhaust gas flow pipe 152 and the waste heat recovery heat exchange pipe 155 (in the waste heat recovery heat exchange power generation main body 151) The wasted hot air (hot air that is not used for heat exchange through the waste heat recovery heat exchange pipe 155 and is wasted) of the lower part of the portion where the waste heat recovery heat exchange pipe 155 is formed is connected to the high temperature side thermoelectric elements 185 and 186. The hot air used for power generation in the low-temperature side thermoelectric element 180, used for power generation in the high-temperature side thermoelectric elements 185, 186 and the low-temperature side thermoelectric element 180, and discarded to the outside is absorbed by the high-temperature side outer heat. Since it can be absorbed again by the unit 175 and the low-temperature side outer heat absorption part 170, thermal efficiency can be improved, and the low-temperature water supplied through the low-temperature water supply pipe 160 has a single flow path. It flows through the low temperature side outer heat absorber 170, the high temperature side outer heat absorber 175, and the waste heat recovery heat exchange pipe 155 in order to absorb heat and change it into the hot water. .

As described above, the solid oxide fuel cell system 100 equipped with the high-temperature reduction resource conversion device includes the organic waste supply member 110, the high-temperature reduction reactor member 111, the post-treatment unit, and the synthesis gas tank ( 118) and the solid oxide fuel cell 120, while passing through the organic waste supply member 110, the high-temperature reduction furnace member 111, the post-treatment unit, and the synthesis gas tank 118. Since the syngas formed from the organic waste and containing hydrogen can be supplied to the solid oxide fuel cell 120 to generate power, hydrogen can be supplied to the solid oxide fuel cell 120 in an environmentally friendly manner.

As described above, in the solid oxide fuel cell system 100 equipped with the high-temperature reduction resource conversion device, the synthesis gas stored in the synthesis gas tank 118 passes through the synthesis gas rear-stage cooler 114 and is transferred to the rear stage of the synthesis gas. The syngas absorbed in the cooler 114 is first preheated by the heat of the syngas (directed from the high-temperature reduction furnace member 111 to the syngas tank 118) and passes through the syngas preheating member 119. By secondary preheating by the heat of the synthesis gas (directed from the solid oxide fuel cell 120 to the synthesis gas generator 121) absorbed by the synthesis gas preheating member 119, the solid oxide fuel cell In order to preheat the synthesis gas, which is a gas containing hydrogen supplied to (120), the energy generated during the operation of the solid oxide fuel cell 120 is not separate heat energy unrelated to the operation of the solid oxide fuel cell 120. Thermal energy becomes available for use.

As described above, as the waste heat recovery heat exchange generator 124 is provided, the heat generated during the power generation process in the solid oxide fuel cell 120 can be recovered to produce hot water and additional power generation. , the utilization of the exhaust gas discharged from the solid oxide fuel cell 120 can be improved.

Meanwhile, the hot water supply unit according to this embodiment constitutes the solid oxide fuel cell system 100 equipped with the high-temperature reduction resource conversion device, and is a part including the waste heat recovery heat exchange generator 124 and the hot water tank 125. , the hot water stored in the hot water tank 125 can be supplied to the demander for purposes such as heating and hot water supply.

The synthesis gas front-end cooler 112 is connected to an additional water supply pipe 146 that supplies low-temperature additional water from an external separate water source to the synthesis gas front-end cooler 112, and the additional water is connected to the additional water supply pipe 146. ) is supplied to the syngas front-end cooler 112 to absorb heat from the syngas front-end cooler 112 and change into additional hot water, and then the additional hot water is supplied to the syngas front-end cooler 112 and the hot water tank ( 125) may flow through the front end hot water connection pipe 147 and then be stored in the hot water tank 125. Then, the heat energy discarded while cooling the syngas in the syngas front-end cooler 112 can be additionally recovered and stored in the hot water tank 125 in the form of additional hot water.

One end of the exhaust gas flow pipe 152 (the part connected to the intake preheating waste heat recovery connector 102) and the discharge end of the syngas generator 121 are connected by the syngas power generation waste heat recovery connector 145. connected. Then, the discharge gas generated and discharged during the power generation process from the syngas generator 121 flows through the syngas power generation waste heat recovery connection pipe 145 and then flows with the exhaust gas through the exhaust gas flow pipe 152. As a result, it can be used for hot water formation and power generation.

Meanwhile, the syngas power generation unit according to this embodiment constitutes the solid oxide fuel cell system 100 equipped with the high-temperature reduction resource conversion device, and includes the waste heat recovery heat exchange generator 124 and the syngas generator 121. In part, additional power generation can be performed using the syngas.

The syngas generator 121 performs power generation by receiving the syngas via the solid oxide fuel cell 120, and generates power by exploding the syngas in a cylinder to form kinetic energy. A gas engine can be given as an example.

The syngas used for power generation in the solid oxide fuel cell 120 passes through the syngas preheating member 119 through the fuel cell preheating connector 143, and is connected to the preheated syngas power generation connector. It flows into the syngas generator 121 through (144) and can be used for power generation in the syngas generator 121.

Hereinafter, a solid oxide fuel cell system equipped with a high-temperature reduction resource recovery device according to another embodiment of the present invention will be described with reference to the drawings. In carrying out this description, descriptions that overlap with those already described in the above-described embodiment of the present invention will be replaced and omitted here.

Figure 5 is a perspective view looking obliquely from above at a waste heat recovery heat exchange generator that constitutes a solid oxide fuel cell system equipped with a high-temperature reduction resource recovery device according to another embodiment of the present invention.

Referring to FIG. 5, in this embodiment, the waste heat recovery heat exchange generator 224 is branched from the low-temperature water supply pipe 260 and joined to the low-temperature thermoelectric connection pipe 262, so that the waste heat recovery heat exchange generator 224 flows through the low-temperature water supply pipe 260. Some of the low-temperature water flows directly into the low- and high-temperature thermoelectric connector 262 without passing through the low-temperature side outer heat absorption unit 270, and thus heats the high-temperature side outer heat through the low- and high-temperature thermoelectric connector 262. A low-temperature water bypass pipe 290 capable of lowering the temperature of the low-temperature water flowing into the absorption unit 275 by a predetermined temperature, and an opening/closing valve 291 capable of opening and closing the low-temperature water bypass pipe 290. It further includes.

When the power generation amount through the low-temperature side thermoelectric element 280 and the high-temperature side thermoelectric element 285 meets the preset required amount, the opening/closing valve 291 closes the low-temperature water bypass pipe 290, and accordingly, the All of the low-temperature water flowing through the low-temperature water supply pipe 260 passes through both the low-temperature side outer heat absorption portion 270 and the high-temperature side outer heat absorption portion 275 and then passes through the waste heat recovery heat exchange pipe 255. passes through.

On the other hand, if the amount of power generation through the low-temperature side thermoelectric element 280 and the high-temperature side thermoelectric element 285 does not meet the preset required amount and falls short, the opening/closing valve 291 opens the low-temperature water bypass pipe ( 290) is opened, and as a result, some of the low-temperature water flowing through the low-temperature water supply pipe 260 flows through the low-temperature water bypass pipe 290 and the low-temperature water bypass pipe 290 without passing through the low-temperature side outer heat absorption unit 270. By flowing directly into the high-temperature side outer heat absorption portion 275 through the low- and high-temperature thermoelectric connector 262, both sides of the high-temperature side thermoelectric element 285 (sides facing the waste heat recovery heat exchange power generation main body 251 and The temperature difference between the high-temperature side (the side facing the outer heat absorption portion 275) becomes relatively larger by a predetermined temperature compared to the case where the opening/closing valve 291 closes the low-temperature water bypass pipe 290, so that the high-temperature side The amount of power generated from the thermoelectric element 285 can be increased.

Although the present invention has been shown and described in relation to specific embodiments in the above, those skilled in the art can modify the present invention in various ways without departing from the spirit and scope of the present invention as set forth in the claims below. You will see that it can be changed. However, we would like to make it clear that all such modifications and modified structures are included within the scope of the present invention.

This result was researched with support from the 2025 Livestock Issues Response Industrialization Technology Development Project of the Korea Institute of Agriculture, Food and Rural Affairs Technology Planning and Evaluation funded by the Ministry of Agriculture, Food and Rural Affairs (No. 322102-03).

A solid oxide fuel cell system equipped with a high-temperature reduction-to-resource device according to an aspect of the present invention, a waste heat recovery heat exchange generator constituting the solid oxide fuel cell system equipped with the high-temperature reduction-to-resource device, and a solid oxide fuel cell system equipped with the high-temperature reduction-to-resource device. According to the syngas power generation unit that constitutes the hot water supply unit and the solid oxide fuel cell system equipped with the high-temperature reduction resource conversion device, hydrogen can be supplied to the solid oxide fuel cell in an environmentally friendly manner, and the hydrogen supplied to the solid oxide fuel cell The heat energy generated during the operation of the solid oxide fuel cell, rather than separate heat energy unrelated to the operation of the solid oxide fuel cell, can be used to preheat the gas containing the solid oxide fuel cell, and the emissions emitted from the solid oxide fuel cell Since the usability of gas can be improved, its industrial usability is said to be high.

100: Solid oxide fuel cell system equipped with high-temperature reduction resource conversion device
110: Absence of organic waste supply
111: Absence of high temperature reduction furnace
118: Synthetic gas tank
119: Synthesis gas preheating member
120: solid oxide fuel cell
121: Synthesis gas generator
123: Absence of intake preheating
124: Waste heat recovery heat exchange generator
125: hot water tank

Claims (16)

Absence of organic waste supply, which supplies organic waste, which is waste of organic compounds;
A high-temperature reduction furnace member that receives the organic waste supplied from the organic waste supply member and reduces the organic waste to form synthesis gas (syngas) containing hydrogen and carbon monoxide;
A post-processing unit for post-processing the synthesis gas formed in the high-temperature reduction furnace member;
a syngas tank storing the syngas that has passed through the post-processing unit; and
It includes a solid oxide fuel cell that generates power by receiving the synthesis gas stored in the synthesis gas tank,
The post-processing unit is
A synthetic gas front-end cooler disposed at the rear end of the high-temperature reduction furnace member based on the flow direction of the synthesis gas and capable of absorbing heat of the synthesis gas formed in the high-temperature reduction furnace member;
A cyclone dust collector disposed at the rear end of the syngas front-end cooler based on the flow direction of the syngas and removes dust contained in the syngas,
It is disposed at the rear end of the cyclone dust collector based on the flow direction of the synthesis gas, and includes a synthesis gas rear cooler capable of absorbing heat of the synthesis gas passing through the cyclone dust collector,
The synthesis gas stored in the synthesis gas tank is preheated by the heat of the synthesis gas absorbed by the synthesis gas downstream cooler while passing through the synthesis gas downstream cooler,
The solid oxide fuel cell system equipped with a high-temperature reduction resource conversion device is
As the outside air preheated by the heat of the synthesis gas absorbed in the synthesis gas rear cooler and the exhaust gas discharged from the solid oxide fuel cell exchange heat, the outside air is further preheated by the heat of the exhaust gas. Absence of intake preheating; and
The synthesis gas stored in the synthesis gas tank and preheated while passing through the synthesis gas downstream cooler passes through the solid oxide fuel cell before being supplied, and the synthesis gas discharged after passing through the solid oxide fuel cell A solid oxide fuel cell system equipped with a high-temperature reduction resource recovery device, comprising a syngas preheating member that is preheated by heat exchange. delete According to claim 1,
The solid oxide fuel cell system equipped with the high-temperature reduction resource conversion device is
A waste heat recovery heat exchange generator capable of generating power by the Seebeck effect while recovering the heat of the exhaust gas discharged from the solid oxide fuel cell to form hot water. Solid oxide fuel cell system equipped with equipment. According to claim 3,
The waste heat recovery heat exchange generator is
A waste heat recovery heat exchange power generation body,
An exhaust gas flow pipe disposed to penetrate the waste heat recovery heat exchange power generation body through which the exhaust gas discharged from the solid oxide fuel cell flows;
A waste heat recovery heat exchange pipe arranged in a zigzag pattern that passes through the waste heat recovery heat exchange power generation main body in a plurality of zigzags, absorbing the heat of the exhaust gas flowing through the exhaust gas flow pipe while low-temperature water flows and changing it into hot water;
A low-temperature side thermoelectric element capable of generating power in a portion of the exhaust gas flow path through the exhaust gas flow pipe where the exhaust gas is in a relatively low temperature state;
A solid oxide fuel cell equipped with a high-temperature reduction-to-resource device, characterized in that it includes a high-temperature side thermoelectric element capable of generating power in a portion of the exhaust gas flow path through the exhaust gas flow pipe where the exhaust gas is in a relatively high temperature state. system. According to claim 4,
The high-temperature side thermoelectric elements are arranged in pairs to face each other at the beginning of the exhaust gas flow pipe in the waste heat recovery heat exchange power generation body,
The low-temperature side thermoelectric elements are arranged in pairs to face each other at the end of the exhaust gas flow pipe in the waste heat recovery heat exchange power generation main body,
The waste heat recovery heat exchange generator is
In the waste heat recovery heat exchange power generation main body, a pair is arranged to face each other at the beginning of the exhaust gas flow pipe and is arranged to be in contact with the outer edge of each high-temperature thermoelectric element, so that the low-temperature water flows in each high-temperature thermoelectric element. A high-temperature outer heat absorption unit that absorbs heat discharged to the outside as power generation is performed,
In the waste heat recovery heat exchange power generation main body, a pair is disposed to face each other at the end of the exhaust gas flow pipe and is arranged to be in contact with the outer edge of each low-temperature thermoelectric element, so that the low-temperature water flows and generates power in each low-temperature thermoelectric element. A low-temperature outer heat absorption part that absorbs heat discharged to the outside while this is performed,
a low-temperature water supply pipe that allows the low-temperature water to be introduced into one of the low-temperature side outer heat absorption parts;
a low-temperature side thermoelectric connector connecting a pair of the low-temperature side outer heat absorbers so that the low-temperature water passing through one of the low-temperature side outer heat absorbers passes through the other one of the low-temperature side outer heat absorbers;
Connecting the other one of the low-temperature side outer heat absorbers and one of the high-temperature side outer heat absorbers so that the low-temperature water passing through the other one of the low-temperature side outer heat absorbers passes through one of the high temperature side outer heat absorbers. low- and high-temperature thermoelectric connectors,
a high-temperature side thermoelectric connector connecting a pair of the high-temperature side outer heat absorbers so that the low-temperature water passing through one of the high-temperature side outer heat absorbers passes through the other one of the high-temperature side outer heat absorbers;
A thermoelectric waste heat recovery connector connecting another one of the high temperature side outer heat absorbers and the waste heat recovery heat exchange pipe so that the low temperature water passing through the other one of the high temperature side outer heat absorbers flows into the waste heat recovery heat exchange pipe; ,
A solid oxide fuel cell system equipped with a high-temperature reduction resource recovery device, comprising a hot water discharge pipe for discharging the hot water formed in the waste heat recovery heat exchange pipe. Absence of organic waste supply that supplies organic waste, which is waste of organic compounds,
A high-temperature reduction furnace member that receives the organic waste supplied from the organic waste supply member and reduces the organic waste to form a synthesis gas containing hydrogen and carbon monoxide;
A post-processing unit for post-processing the synthesis gas formed in the high-temperature reduction furnace member,
a synthesis gas tank storing the synthesis gas that has passed through the post-processing unit;
A waste heat recovery heat exchange generator that constitutes a solid oxide fuel cell system equipped with a high-temperature reduction resource conversion device including a solid oxide fuel cell that receives the syngas stored in the syngas tank and generates power,
By recovering the heat of the exhaust gas discharged from the solid oxide fuel cell to form hot water, power generation can be performed by the Seebeck effect,
The waste heat recovery heat exchange generator is
A waste heat recovery heat exchange power generation body,
An exhaust gas flow pipe disposed to penetrate the waste heat recovery heat exchange power generation body through which the exhaust gas discharged from the solid oxide fuel cell flows;
A waste heat recovery heat exchange pipe arranged in a zigzag pattern that passes through the waste heat recovery heat exchange power generation main body in a plurality of zigzags, absorbing the heat of the exhaust gas flowing through the exhaust gas flow pipe while low-temperature water flows and changing it into hot water;
A low-temperature side thermoelectric element capable of generating power in a portion of the exhaust gas flow path through the exhaust gas flow pipe where the exhaust gas is in a relatively low temperature state;
A waste heat recovery heat exchange generator comprising a high-temperature side thermoelectric element capable of generating power in a portion of the exhaust gas flow path through the exhaust gas flow pipe where the exhaust gas is at a relatively high temperature. delete According to claim 6,
The high-temperature side thermoelectric elements are arranged in pairs to face each other at the beginning of the exhaust gas flow pipe in the waste heat recovery heat exchange power generation body,
The low-temperature side thermoelectric elements are arranged in pairs to face each other at the end of the exhaust gas flow pipe in the waste heat recovery heat exchange power generation main body,
The waste heat recovery heat exchange generator is
In the waste heat recovery heat exchange power generation main body, a pair is arranged to face each other at the beginning of the exhaust gas flow pipe and is arranged to be in contact with the outer edge of each high-temperature thermoelectric element, so that the low-temperature water flows in each high-temperature thermoelectric element. A high-temperature outer heat absorption unit that absorbs heat discharged to the outside as power generation is performed,
In the waste heat recovery heat exchange power generation main body, a pair is disposed to face each other at the end of the exhaust gas flow pipe and is arranged to be in contact with the outer edge of each low-temperature thermoelectric element, so that the low-temperature water flows and generates power in each low-temperature thermoelectric element. A low-temperature outer heat absorption part that absorbs heat discharged to the outside while this is performed,
a low-temperature water supply pipe that allows the low-temperature water to be introduced into one of the low-temperature side outer heat absorption parts;
a low-temperature side thermoelectric connector connecting a pair of the low-temperature side outer heat absorbers so that the low-temperature water passing through one of the low-temperature side outer heat absorbers passes through the other one of the low-temperature side outer heat absorbers;
Connecting the other one of the low-temperature side outer heat absorbers and one of the high-temperature side outer heat absorbers so that the low-temperature water passing through the other one of the low-temperature side outer heat absorbers passes through one of the high temperature side outer heat absorbers. low- and high-temperature thermoelectric connectors,
a high-temperature side thermoelectric connector connecting a pair of the high-temperature side outer heat absorbers so that the low-temperature water passing through one of the high-temperature side outer heat absorbers passes through the other one of the high-temperature side outer heat absorbers;
A thermoelectric waste heat recovery connector connecting another one of the high temperature side outer heat absorbers and the waste heat recovery heat exchange pipe so that the low temperature water passing through the other one of the high temperature side outer heat absorbers flows into the waste heat recovery heat exchange pipe; ,
A waste heat recovery heat exchange generator comprising a hot water discharge pipe that discharges the hot water formed in the waste heat recovery heat exchange pipe. Absence of organic waste supply that supplies organic waste, which is waste of organic compounds,
A high-temperature reduction furnace member that receives the organic waste supplied from the organic waste supply member and reduces the organic waste to form a synthesis gas containing hydrogen and carbon monoxide;
A post-processing unit for post-processing the synthesis gas formed in the high-temperature reduction furnace member,
a synthesis gas tank storing the synthesis gas that has passed through the post-processing unit;
Constructing a solid oxide fuel cell system equipped with a high-temperature reduction resource conversion device including a solid oxide fuel cell that receives the synthesis gas stored in the synthesis gas tank and performs power generation,
A waste heat recovery heat exchange generator capable of generating power by the Seebeck effect while recovering the heat of the exhaust gas discharged from the solid oxide fuel cell to form hot water; and
A hot water tank containing the hot water generated in the waste heat recovery heat exchange generator,
The post-processing unit is
A synthetic gas front-end cooler disposed at a rear end of the high-temperature reduction furnace member based on the flow direction of the synthesis gas, and capable of absorbing heat of the synthesis gas formed in the high-temperature reduction furnace member;
A cyclone dust collector disposed at the rear end of the syngas front-end cooler based on the flow direction of the syngas and removes dust contained in the syngas,
It is disposed at the rear end of the cyclone dust collector based on the flow direction of the synthesis gas, and includes a synthesis gas rear cooler capable of absorbing heat of the synthesis gas passing through the cyclone dust collector,
A hot water supply unit, characterized in that the synthesis gas stored in the synthesis gas tank passes through the synthesis gas downstream cooler and is preheated by the heat of the synthesis gas absorbed by the synthesis gas downstream cooler. delete According to clause 9,
The solid oxide fuel cell system equipped with the high-temperature reduction resource conversion device is
As the outside air preheated by the heat of the synthesis gas absorbed in the synthesis gas downstream cooler and the exhaust gas discharged from the solid oxide fuel cell exchange heat, the outside air is further preheated by the heat of the exhaust gas. A hot water supply unit comprising an intake preheating member. According to claim 11,
The solid oxide fuel cell system equipped with the high-temperature reduction resource conversion device is
It includes a syngas generator that receives the syngas via the solid oxide fuel cell and generates power,
As the discharge gas discharged from the synthesis gas generator passes through the waste heat recovery heat exchange generator, the heat of the discharge gas is recovered from the waste heat recovery heat exchange generator, and hot water is formed and power generation is performed in the waste heat recovery heat exchange generator. Hot water supply unit. Absence of organic waste supply that supplies organic waste, which is waste of organic compounds,
A high-temperature reduction furnace member that receives the organic waste supplied from the organic waste supply member and reduces the organic waste to form a synthesis gas containing hydrogen and carbon monoxide;
A post-processing unit for post-processing the synthesis gas formed in the high-temperature reduction furnace member,
a synthesis gas tank storing the synthesis gas that has passed through the post-processing unit;
Constructing a solid oxide fuel cell system equipped with a high-temperature reduction resource conversion device including a solid oxide fuel cell that receives the synthesis gas stored in the synthesis gas tank and performs power generation,
A waste heat recovery heat exchange generator capable of generating power by the Seebeck effect while recovering the heat of the exhaust gas discharged from the solid oxide fuel cell to form hot water; and
It includes a synthesis gas generator that receives the synthesis gas via the solid oxide fuel cell and generates power,
The post-processing unit is
A synthetic gas front-end cooler disposed at the rear end of the high-temperature reduction furnace member based on the flow direction of the synthesis gas and capable of absorbing heat of the synthesis gas formed in the high-temperature reduction furnace member;
A cyclone dust collector disposed at the rear end of the syngas front-end cooler based on the flow direction of the syngas and removes dust contained in the syngas,
It is disposed at the rear end of the cyclone dust collector based on the flow direction of the synthesis gas, and includes a synthesis gas rear cooler capable of absorbing heat of the synthesis gas passing through the cyclone dust collector,
A synthesis gas power generation unit, characterized in that the synthesis gas stored in the synthesis gas tank passes through the synthesis gas rear-end cooler and is preheated by the heat of the synthesis gas absorbed by the synthesis gas rear-end cooler. delete According to claim 13,
The solid oxide fuel cell system equipped with the high-temperature reduction resource conversion device is
The synthesis gas stored in the synthesis gas tank and preheated while passing through the synthesis gas downstream cooler passes through the solid oxide fuel cell before being supplied, and the synthesis gas discharged after passing through the solid oxide fuel cell It includes a syngas preheating member that is heat exchanged and preheated,
The synthesis gas discharged after passing through the solid oxide fuel cell passes through the synthesis gas preheating member, is stored in the synthesis gas tank, and passes through the synthesis gas downstream cooler to preheat the synthesis gas. A syngas power generation unit characterized in that it flows into the syngas generator in a state. According to claim 15,
As the discharge gas discharged from the synthesis gas generator passes through the waste heat recovery heat exchange generator, the heat of the discharge gas is recovered from the waste heat recovery heat exchange generator, and hot water is formed and power generation is performed in the waste heat recovery heat exchange generator. Syngas power generation unit.