KR20120127133A - Fan module assembly, food waste disposer comprising the same, and method for disposing exhaust gas through circulation process using the same - Google Patents

Abstract

PURPOSE: A food waste treatment apparatus including a flow path converting module and a circulating type exhaust gas treatment method using the same are provided to improve efficiency by minimizing the use of a deodorizing module. CONSTITUTION: A fan module assembly includes a first fan module, a second fan module, an integrated main motor(320), and a flow path converting module(350). The integrated main motor is arranged between the first fan module and the second fan module. The flow path converting module is connected to either of the first fan module or the second fan module. A single inlet and a plurality of outlets are formed at the flow path converting module. A first fan module is interlinked to the first shaft of the integrated main motor. A second fan module is interlinked to the second shaft of the integrated main motor which is opposite to the first shaft of the integrated main motor.

Description

Fan module assembly, food waste treating apparatus including the same, and method for treating circulating exhaust gas using same {Fan module assembly, food waste disposer comprising the same, and method for disposing exhaust gas through circulation process using the same}

The present invention relates to a fan module assembly, a food processor including the same, and a circulating type exhaust gas treatment method using the same, and more particularly, including a flow path switching module communicating with any one of a plurality of fans connected to an integrated motor. It relates to a fan module assembly, a food processor including the same, and a circulating exhaust gas treatment method using the same.

In general, a certain amount of food waste is discharged from each home or restaurant every day, and the food waste is discarded after only the water is filtered through a simple strainer. The conventional food waste disposal method causes unpleasant odors to contaminate the surrounding air when the food waste is not discarded frequently. Recently, due to the improvement of eating habits and the increase of eating out business, many food wastes are emitted from homes and restaurants, and most of these food wastes have been left in a state of high water content, which has become the main cause of polluting the environment.

In general, the food processor has been spotlighted as an environmentally friendly product by enabling the hygienic treatment by powder drying through the process of stirring, pulverizing and drying the injected food, and reducing its volume. .

Recently, a circulating food processor is used as an example of a food processor, and the food processor of the circulatory system cools and condenses the exhaust gas of a high temperature and high humidity generated in a drying furnace, and discharges the exhaust gas, which has been deodorized, into the drying furnace. It goes through the input process.

In the circulating food processor, the hot and humid exhaust gas is recycled without being discharged to the outside, and thus it must be continuously recycled through a circulation fan that is linked to a relatively high power motor. In addition, since the exhaust gas is not discharged to the outside, a large amount of moisture of the exhaust gas must be condensed and removed, and then recycled. As such, a dual fan module driving system of the circulation fan module and the cooling fan module is required for recirculation and cooling of the exhaust gas discharged from the drying furnace.

On the other hand, the exhaust gas generated in the drying furnace through the plurality of fan modules and the heat exchanger to achieve a condensation circulation, the generation of excessive exhaust gas during the driving process often exceeds the capacity to be treated in the heat exchanger. In this case, the instantaneous increase of the excessive exhaust gas leads to an increase in pressure in the circulating food processor, resulting in a problem of damage to the internal parts.

In addition, when condensation of the exhaust gas through the heat exchanger is not smooth, the odor remaining in the drying furnace and the intake / exhaust module is directly discharged in the process of opening and closing the door of the upper part of the circulation type food processor to contaminate the surrounding air as well as There is a problem that causes discomfort.

The present invention, in order to solve the above problems, a fan module assembly including a flow path switching module for selectively flowing the exhaust gas through a plurality of outlets, a food processor including the same, and a circulation type exhaust gas treatment method using the same It aims to provide.

The fan module assembly according to an aspect of the present invention provided to achieve the above object is an integrated unit disposed between the first fan module and the second fan module having different mutual functions, the first fan module and the second fan module. And a flow path switching module communicating with any one of the main motor and the first fan module and the second fan module, wherein the flow path switching module has a single inlet and a plurality of outlets.

The first fan module is interlocked with the first shaft of the integrated main motor, and the second fan module is interlocked with the second shaft of the main motor located opposite the first shaft with respect to the integrated main motor. It may be desirable.

It may be preferable that the first fan module and the second fan module are sealed to each other.

In the food processor according to another aspect of the present invention provided to achieve the above object, the flow path switching module is located on the exhaust gas flow path.

The food processor is a drying furnace, an intake and exhaust module connected to the drying furnace, a door installed to be opened and closed on the intake and exhaust module, a heat exchanger connected to the flow path switching module, and the heat exchanger and the flow path switching module is in communication with A buffer tank.

The first fan module may be located on the exhaust gas flow path.

The second fan module may be in communication with the outside air.

The flow path switching module is coupled to the first fan module, the intake and exhaust module, the heat exchanger, and the buffer tank, the flow path switching motor disposed in the casing, and the flow path switching motor coupled to the valve pivoting. Contains the rod.

It may be preferable that the first fan module is a circulation fan, and the second fan module is a cooling fan.

The food processor further includes an opening and closing detection sensor for detecting whether the door is opened and closed, and a control unit electrically connected to the flow path switching motor and the opening and closing detection sensor, wherein the control unit is configured according to a measurement value from the opening and closing detection sensor. It may be desirable to control the position of the valve rod by driving the flow path switching motor.

The food processor may further include a deodorization module connected to the buffer tank.

The food processor may further include a backflow prevention trap disposed between the buffer tank and the deodorization module, and the backflow prevention trap may prevent inflow of water vapor from the buffer tank to the deodorization module.

The unitary main motor may preferably include a single motor or dual motors.

According to another aspect of the present invention, there is provided a method of treating a circulating exhaust gas according to another aspect of the present invention, the method comprising: (a) flowing exhaust gas generated in a drying furnace to an intake and exhaust module; Wherein the exhaust gas flows to the flow path switching module by a circulation fan operated by the integrated main motor, and (c) the cooling gas in which the exhaust gas flowed from the flow path switching module to the heat exchanger is operated by the integrated main motor. And converting the recycle gas into a recycle gas, (d) flowing the recycle gas into the intake and exhaust module, and (e) flowing the recycle gas flowing into the intake and exhaust module into the drying furnace.

In the step (b), the exhaust gas flowing into the intake / exhaust module flows into the exhaust gas flow path by the circulation fan, and the exhaust gas flows into the exhaust gas flow path by the circulation fan. Or it may be desirable to include flowing into a buffer tank.

In the step (b), it may be preferable that the controller allows the exhaust gas to flow to the heat exchanger or the buffer tank according to the measured value of the pressure sensor disposed in the flow path switching module.

In the step (b), it may be preferable that the controller allows the exhaust gas to flow to the heat exchanger or the buffer tank according to the measured value of the open / close detection sensor disposed in the door of the intake / exhaust module.

According to the present invention, it is possible to drive two or more fan modules as one integrated main motor, thereby providing a fan module assembly capable of providing high power in a small volume without loss of power.

The present invention increases or decreases the pressure in the flow path switching module by selectively opening and closing a plurality of outlets in the flow path switching module based on the measured value in the opening / closing detection sensor installed in the door or the pressure detection sensor installed in the flow path switching module. Can be effectively prevented.

At the same time, the economical efficiency and efficiency can be improved by minimizing the use of the deodorization module by selectively using the deodorization module based on whether the door is opened and the internal pressure of the casing.

1 is a conceptual diagram of a food processor including a fan module assembly according to the present invention;
2 is a perspective view of a food processor according to the present invention
3 is a perspective view of a fan module assembly according to the invention, and
4 is a cross-sectional view taken along AA of FIG. 3.

These and other objects, features and other advantages of the present invention will become more apparent by describing in detail preferred embodiments of the present invention with reference to the accompanying drawings. The described embodiments are provided by way of example for purposes of illustration, and do not limit the technical scope of the present invention.

Each component constituting the fan module assembly and the food processor of the present invention may be manufactured in one piece or separately separated as necessary. In addition, some components may be omitted depending on the form of use.

In addition, the fan module assembly according to the present invention that can be used in the food processor is characterized in that the two fan modules different in function to the integrated main motor. For example, the food processor preferably includes a circulation fan module for circulating the exhaust gas in the drying furnace and a cooling fan module for facilitating heat exchange.

In the related art, since each fan is disposed at a different position independently from each other, a power supply unit such as a motor for each fan module is separately required, thereby increasing the volume of the food processor. In the case of using the fan module assembly according to the present invention, only the integrated main motor can be used to reduce the volume without lowering the food processing efficiency, and at the same time, the manufacturing cost can be lowered and the energy efficiency can be increased.

Hereinafter, with reference to the accompanying drawings will be described in detail a fan module assembly and a food processor including the same according to an embodiment of the present invention.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

Describe the overall composition of the food handler

First, referring to Figures 1 to 3 to look at the overall configuration of the food processor according to the present invention.

In the food processor according to the present invention, the first fan module 310 of the fan module assembly 300 may be used as a circulation fan module, and the second fan module 330 may be used as a cooling fan module. In the following description, the circulation fan module and the cooling fan module will be described with reference numerals "310" and "330", respectively.

Food processor according to the present invention is a drying furnace 100, intake and exhaust module 200, fan module assembly 300, buffer tank 400, heat exchanger 500, deodorization module 600, backflow prevention trap 620 , A door 700, and a controller 800.

The door 700 is located above the drying furnace 100 and the intake and exhaust module 200. The user may inject the food waste to be processed into the drying furnace 100 by opening the door 700. The door 700 is provided with an open / close detection sensor 710 electrically connected to the controller 800.

Food waste is put into the drying furnace 100 and processed. A heater (not shown) and a pulverizer / stirrer (not shown) are located, and the injected food waste is crushed finely by being dried, pulverized, and agitated, and discharged to the outside.

The food waste is treated by at least one of drying, grinding, and stirring, hereinafter referred to as "treatment" of the food waste.

The intake and exhaust module 200 communicates with the drying furnace 100. One side of the intake and exhaust module 200 is in communication with the drying furnace 100, the exhaust gas generated in the drying furnace 100 is introduced into the intake and exhaust module 200, and the recycle gas introduced into the intake and exhaust module 200 is a drying furnace. Flows into (100).

In addition, the other side of the intake and exhaust module 200 is in communication with the exhaust gas flow path 210 and the recirculation gas flow path 270, the exhaust gas flowing into the intake and exhaust module 200 flows to the exhaust gas flow path 210, the recycle gas The recycle gas flows in from the flow path 270.

The fan module assembly 300 includes a circulation fan module 310, a cooling fan module 330, an integrated main motor 320, and a flow path switching module 350.

The circulation fan module 310 communicates with the exhaust gas flow path 210 to allow the high temperature and high humidity exhaust gas to flow from the intake and exhaust module 200 to the heat exchanger 500.

One side of the cooling fan module 330 is in communication with the outside air and the other side is in communication with the heat exchanger 500, by supplying the outside air to the heat exchanger 500 to perform the air-cooled heat exchange. The circulation fan module 310 helps the flow of the hot and humid exhaust gas, and the cooling fan module 330 is preferably sealed to each other to assist the flow of the low temperature external air.

The flow path switching module 350 accommodates the flow path switching motor 360 and the pressure sensor 370 electrically connected to the controller 800 therein. The flow path switching module 350 heat-exchanges the exhaust gas introduced by the flow path switching motor 360 according to the command of the controller 800 based on the measured value from the open / close detection sensor 710 or the pressure sensor 370. To the gas 500 or the buffer tank 400.

The heat exchanger 500 is in communication with the exhaust gas flow path 210 and the recycle gas flow path 270.

The hot and humid exhaust gas supplied through the exhaust gas flow path 210 is heat-exchanged inside the heat exchanger 500 to generate condensate and convert the exhaust gas into a low temperature recycle gas. To this end, external air is introduced by the cooling fan module 370.

The buffer tank 400 collects condensed water generated by the heat exchange of the exhaust gas in the heat exchanger 500 and discharges it to the outside.

The backflow prevention trap 620 is disposed between the buffer tank 400 and the deodorization module 600. In the present invention, in order to prevent the water vapor flowing into the buffer tank 400 to be directly introduced into the deodorization module 600 without the process of liquefying, the water vapor to be treated in the buffer tank 400 to go through the draining process 600 to the deodorization module 600 Backflow can be prevented. Here, the backflow prevention trap 620 may be a trap structure of the 'U' or 'N' shape as a temporary example, any structure that blocks the inflow of water vapor to the deodorization module 600 may be possible. Can be.

As such, the circulation type food processor using the intake / exhaust module 200 does not discharge the odorous discharge gas to the outside, so no filter is required, which reduces manufacturing costs and does not require replacement of the filter. Savings. By adding the fan module assembly according to the present invention it is possible to further reduce the manufacturing cost and to reduce the total volume of the food processor is convenient to be installed in the home.

Structural Description of Fan Module Assembly 300

2 and 4, the structure of the fan module assembly 300 according to the present invention will be described in detail as follows.

The fan module assembly 300 includes an integrated main motor 320, two fan modules 310 and 330 interworking with the integrated main motor 320, and a flow path switching module 350 communicating with any one of the two fan modules 310 and 330. Each of the fan modules 310 and 330 is referred to as a first fan module 310 and a second fan module 330. The integrated main motor 320 includes two shafts (first shaft and second shaft) for driving two fan modules 310, 330. At this time, when the two shafts are located in the same direction, it may interfere with each other in the blowing of each fan, it is preferable that the two shafts are directed in different directions.

The integrated main motor 320 may be in the form of a single motor and two shafts in one embodiment. That is, a pair of shafts coupled to both sides of the single motor may be configured to drive each fan module 310 or 330 at the same or different speed. On the other hand, the integrated main motor 320 may be in the form of a dual motor and two shafts in another embodiment. That is, each of the dual motors driven separately is connected to the respective fan modules 310 and 330 through the shaft to provide power. As described above, the integrated main motor 320 may be a single or dual motor is disposed between the fan modules 310 and 330 as one integrated structure to provide power.

In addition, it is preferable that the fluid flow by the two fan modules 310 and 330 does not influence each other. For example, if the hot exhaust gas flows by the first fan module 310 and the low temperature outside air flows by the second fan module 330, the flow by the first fan module 310 and the second fan Flows by module 330 should be mutually distinct. For this purpose, the first fan module 310 and the second fan module 330 are preferably sealed to each other.

The first fan module 310 of the fan module assembly 300 is a direct flow of the exhaust gas from the drying furnace 100, so when leaking to the outside may adversely affect the hygiene due to the sealing member or It is desirable to be made integrally to achieve a complete seal with the surroundings.

In addition, since the first fan module 310 must circulate the exhaust gas from the drying furnace 100 as a whole, the rotation speed and the power are relatively higher than those of the second fan module 330, so that the leakage of fluid due to vibration, etc. It may be possible to prevent this.

The flow path switching module 350 includes a casing 352, a flow path switching motor 360 disposed in the casing 352, a pressure sensor 370 for measuring pressure in the casing 352, and a flow path switching motor 360. And a valve rod 355 coupled to and pivoting.

The casing 352 communicates with the first fan module 310, the intake and exhaust module 200, the heat exchanger 500, and the buffer tank 400. The casing 352 communicates with the exhaust gas flow path 210 through the inlet, and communicates with the heat exchanger 500 and the buffer tank 400 through the plurality of outlets, respectively. That is, after the exhaust gas is supplied from the exhaust gas flow path 210 through a single inlet, the casing 352 by selectively opening and closing the plurality of outlets in accordance with the operation of the valve rod 355 linked to the flow path switching motor 360. Exhaust gas flowing therein may be exported to the heat exchanger 500 or the buffer tank 400.

The controller 800 is electrically connected to the flow path switching motor 360 and the pressure sensor 370. When the pressure inside the casing 352 measured by the pressure sensor 370 exceeds a predetermined reference pressure, An electrical signal is applied to the flow path switching motor 360 to adjust the position of the valve rod 355. Here, when the pressure inside the casing 352 rises, the function of the first fan module 310 may not be smooth or the capacity of the heat exchanger 500 may be out of the capacity. In this case, the casing ( It is possible to prevent the increase in pressure by allowing the exhaust gas in the 352 to flow directly to the buffer tank 400.

Describe the operation of the food handler

1 to 4, the flow of the exhaust gas and the recycle gas in the food processor including the fan module assembly 300 according to the present invention will be described.

The user inputs the food waste to be processed into the drying furnace 100 by opening the door 700.

The heater and the pulverizer / stirrer inside the drying furnace 100 is operated to process the food, in which hot and humid exhaust gas is generated.

By the operation of the circulation fan module 310 by the integrated main motor 320, the exhaust gas generated inside the drying furnace 100 passes through the intake / exhaust module 200 and the exhaust gas flow path 210. Flow).

The pressure sensor 370 in the flow path switching module 350 detects the internal pressure due to the exhaust gas inside the casing 352 and transmits the internal pressure to the controller 800. When the measured pressure inside the casing 352 does not exceed the preset reference pressure, the controller 800 applies an electrical signal to the flow path switching motor 360 so that the valve rod 355 is transferred to the buffer tank 400. Position the exit exit closed. On the other hand, when the measured pressure inside the casing 352 exceeds the preset reference pressure, the valve rod 355 closes the outlet to the heat exchanger 500 so that the exhaust gas in the casing 352 is buffer tank. Flow to the (400) side. Reference pressure herein may be understood to refer to the maximum pressure that the casing 352 can withstand.

In FIG. 3, reference numeral 230 denotes after the exhaust gas passing through the drying furnace 100, the circulation fan module 310, and the exhaust gas flow path 210 flows to the heat exchanger 500 by the flow path conversion module 350. Reflow gas flowing through the recycle gas flow path 270 to the drying furnace is shown. Meanwhile, reference numeral 250 denotes a flow in which the exhaust gas passing through the exhaust gas flow path 210 flows to the buffer tank 400 and the deodorization module 600 by the flow path switching module 350.

According to the sensing of the open / close detection sensor 710 disposed on the door 700 above the intake and exhaust module module 200, the exhaust gas in the casing 352 flows to the heat exchanger 500 or the buffer tank 400.

In the case of operating the food processor of the present invention, when the food waste is additionally added during operation, the door 700 is opened. In this case, the exhaust gas recycled through the heat exchanger 500 is the drying furnace 100. In the process of being re-injected into the user, it causes a bad smell to the user.

The open / close detection sensor 710 transmits it to the control unit 800 when the door is opened, and the control unit 800 applies an electric signal to the flow path switching motor 360 so that the valve rod 355 exchanges heat. Close the outlet to the outlet so that the exhaust gas in the casing 352 flows to the buffer tank 400 side.

By doing so, it is possible to block the gas recirculated to the drying furnace 100 through the heat exchanger 500 and to pass the buffer tank 400 and the deodorization module 600 to prevent the occurrence of odor. When the door 700 is closed, only the heat exchanger 500 is used without the use of the deodorization module 600, and when the door 700 is opened, the buffer tank 400 and the deodorization module 600 are used. The use of deodorization module 600 can be minimized.

On the other hand, the non-return trap 620 is the excess flow of exhaust gas from the casing 352 to the buffer tank 400, the water vapor to the deodorization module 600 in the state that the sufficient liquefaction is not made in the buffer tank 400 Block moving The backflow prevention trap 620 acts as a buffer zone for the water vapor destined for the deodorization module 600 to prevent excessive load from being applied to the deodorization module 600. Through this process, the deodorization module 600 has an effect of increasing the life of the deodorization module 600 by allowing the discharge gas in the state in which the water vapor is sufficiently removed.

When the pressure inside the casing 352 does not exceed the preset reference pressure and the door 700 is closed, the low temperature external air is generated by the operation of the cooling fan module 330 by the integrated main motor 320. The heat exchanger 500 is introduced into the heat exchanger to exchange heat of high temperature and high humidity exhaust gas. Accordingly, the high temperature and high humidity exhaust gas is converted into a low temperature recycle gas, and condensate generated in this process is discharged to the outside through the buffer tank 400.

The recycle gas in the heat exchanger 500 is introduced into the drying furnace 100 again through the recycle gas flow path 270 and the intake and exhaust module 200.

On the other hand, when the pressure inside the casing 352 exceeds the preset reference pressure or the door 700 is opened, the valve rod 355 closes the outlet to the heat exchanger 500 to discharge the casing 352. Gas flows to the buffer tank 400 side. Exhaust gas from which the odor is firstly removed from the buffer tank 400 is secondly removed from the deodorization module 600.

As described above, the present invention has the advantage that the economical efficiency and efficiency can be improved by minimizing the use of the deodorization module by selectively using the deodorization module based on whether the door is opened and the internal pressure of the casing.

While preferred embodiments of the present invention have been described above, the present invention is not limited to the above-described specific embodiments. It will be apparent to those skilled in the art that numerous modifications and variations can be made in the present invention without departing from the spirit or scope of the appended claims. And equivalents should also be considered to be within the scope of the present invention.

100: drying furnace
200: intake and exhaust module
210: exhaust gas flow path
270: recycle gas euro
300: fan module assembly
310: circulation fan module
320: main motor
330 cooling fan module
350: euro switching module
352 casing
355: Valve Rod
360: Euro conversion motor
370: pressure sensor
400: buffer tank
500: heat exchanger
600: Deodorization Module
700: Door
710: opening and closing detection sensor
800:

Claims (17)

A first fan module and a second fan module having different mutual functions;
An integrated main motor disposed between the first fan module and the second fan module; And
A flow path switching module communicating with any one of the first fan module and the second fan module;
/ RTI >
The flow path switching module is characterized in that a single inlet and a plurality of outlets are formed,
Fan module assembly.
The method of claim 1,
The first fan module is interlocked with the first shaft of the integrated main motor, and the second fan module is interlocked with the second shaft of the integrated main motor located opposite the first shaft with respect to the integrated main motor. Characterized by
Fan module assembly.
The method of claim 2,
The first fan module and the second fan module are sealed with respect to each other,
Fan module assembly.
According to claim 1 to 3, wherein the food processor comprising any one of the fan module assembly,
The flow path switching module is characterized in that located on the exhaust gas flow path,
Food processor.
The method of claim 4, wherein
The food processor,
Drying furnace;
An intake and exhaust module in communication with the drying furnace;
A door installed to be opened and closed at an upper portion of the intake and exhaust module;
A heat exchanger connected to the flow path switching module; And
A buffer tank in communication with the heat exchanger and the flow path switching module;
/ RTI >
Food processor.
The method of claim 5, wherein
The first fan module is characterized in that located on the exhaust gas flow path,
Food processor.
The method according to claim 6,
The second fan module is in communication with the outside air, characterized in that
Food processor.
The method of claim 7, wherein
The flow path switching module,
A casing in communication with the first fan module, the intake and exhaust module, the heat exchanger, and the buffer tank;
A flow path switching motor disposed in the casing; And
A valve rod coupled to the flow path switching motor to pivot;
/ RTI >
Food processor.
The method of claim 8,
The first fan module is a circulation fan, and
The second fan module is characterized in that the cooling fan,
Food processor.
The method of claim 9,
The food processor,
An opening and closing detection sensor for detecting whether the door is opened or closed; And
A controller electrically connected to the flow path switching motor and the open / close detection sensor;
More,
The controller is characterized in that for controlling the position of the valve rod by driving the flow path switching motor in accordance with the measurement value from the open and close detection sensor,
Food processor.
11. The method of claim 10,
The food processor,
A deodorization module connected to the buffer tank;
≪ / RTI >
Food processor.
The method of claim 11,
The food processor,
And a backflow prevention trap disposed between the buffer tank and the deodorization module, wherein the backflow prevention trap prevents inflow of water vapor from the buffer tank to the deodorization module.
Food processor.
The method of claim 4, wherein
The integrated main motor, characterized in that it comprises a single motor or dual motor,
Food processor.
(a) flowing the exhaust gas generated in the drying furnace to the intake and exhaust module;
(b) flowing the exhaust gas flowing into the intake and exhaust module to a flow path switching module by a circulation fan operated by an integrated main motor;
(c) converting the exhaust gas flowing from the flow path switching module into the heat exchanger to be recirculated by a cooling fan operated by the integrated main motor to be recycled gas;
(d) flowing the recycle gas into the intake and exhaust module; And
(e) flowing the recirculating gas flowing into the intake and exhaust module into the drying furnace,
Circulation method.
15. The method of claim 14,
The step (b)
The exhaust gas flowing into the intake and exhaust module flows into an exhaust gas flow path by the circulation fan; And
Flowing the exhaust gas flowing into the exhaust gas flow path to the heat exchanger or the buffer tank by the circulation fan;
≪ / RTI >
Circulation method.
16. The method according to claim 14 or 15,
In the step (b)
The control unit according to the measured value of the pressure sensor disposed in the flow path switching module, the exhaust gas treatment method characterized in that for flowing the exhaust gas to the heat exchanger or buffer tank.
16. The method according to claim 14 or 15,
In the step (b)
The control unit according to the measured value of the opening and closing detection sensor disposed on the door of the intake and exhaust module, the exhaust gas treatment method, characterized in that for flowing the exhaust gas to the heat exchanger or buffer tank.

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