KR20190080683A - Waste Heat Power Generation System Including Device Absorbing Vibration - Google Patents

Abstract

According to an aspect of the present invention, a waste heat power generation system has modules making up a power generation system and being arranged in a multi-level structure, is installed in a multi-level structure, and comprises: a compression unit to compress a working fluid; a heating unit to heat a working fluid compressed by the compression unit; a generation unit to use a working fluid heated by the heating unit to generate energy; a condensing unit to condense a working fluid discharged by the generation unit; a condensing drum to store the condensed working fluid, and supply the condensed working fluid to the compression unit through a discharge pipe; and an installation member including a plurality of frames to install the compression unit, the heating unit, the generation unit, the condensing unit, and the condensing drum in a multi-level structure. The condensing drum is installed on a first level frame among the plurality of frames. The generation unit and the condensing unit are installed on a second level frame arranged on an upper portion of the first level frame among the plurality of frames.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a waste heat power generation system including a vibration absorbing device,

The present invention relates to a power generation system, and more particularly, to a power generation system using waste heat.

A low-temperature power generation system using a low-temperature heat source compared to conventional steam power generation has been developed and expanded. To develop at low temperatures, a working fluid with boiling point at low temperature is used. Depending on the nature of the working fluid or the configuration of the power generation system, the low-power generation system is divided into the Kalina Cycle, the Uehara Cycle, and the Organic Rankine Cycle (ORC). The double carina cycle and Uehara cycle use a mixture of ammonia and water as the working fluid.

A typical Carina cycle is shown in Fig. 1, a typical carina cycle 100 includes a pump 110, a preheater 120, an evaporator 130, a gas-liquid separator 140, a turbine 150, a generator 160, and a condenser 170 ).

The pump 110 pressurizes the working fluid and discharges it to the preheater 120. The preheater 120 preheats the high-pressure working fluid discharged from the pump 110 and supplies it to the evaporator 130. The evaporator 130 applies heat to the working fluid by using a heat source to phase-convert the working fluid into a high-temperature and high-pressure gas. The gas-liquid separator 140 separates the high-temperature and high-pressure gas supplied from the evaporator 130 into a working fluid in the gaseous state, which is mainly composed of ammonia, and a working fluid in the liquid state, in which water is the main component.

The turbine 150 is rotated by the gaseous working fluid supplied from the gas-liquid separator 140 to convert chemical energy into mechanical energy, and the generator 160 connected to the turbine 150 converts mechanical energy into electrical energy . On the other hand, the working fluid in the liquid state separated from the gas-liquid separator 140 is heat-exchanged and mixed again with the working fluid in the gaseous state passing through the turbine 150. The condenser 170 phase-shifts the mixed working fluid to a liquid state and supplies it to the pump 110.

The power generation system including the plurality of modules 110 to 170 as shown in FIG. 1 is generally installed in a limited space. The size of each module 110 to 170 and the size of each module 110 to 170 There is a problem that the area required for installation of the power generation system increases due to a plurality of piping for connection.

1, the working fluid in the liquid state separated from the gas-liquid separator 140 and the working fluid in the gaseous state that has passed through the turbine 150 are mixed in the piping to be supplied to the condenser 170 There is a problem that the operation of the power generation system becomes unstable due to the occurrence of a hamming phenomenon due to a sudden phase change or noise and vibration.

U. S. Patent No. 5,953, 918 entitled " Method and apparatus of converting heat to useful energy ", published on September 21, 1999,

SUMMARY OF THE INVENTION The present invention provides a waste heat power generation system including a vibration absorbing device in which each module constituting a power generation system is arranged in a multi-layered structure.

The present invention also provides a waste heat power generation system including a vibration absorption device capable of placing a power generation unit and a condensation unit in a higher layer than a condensation drum in a waste heat generation system.

It is another technical feature of the present invention to provide a waste heat power generation system including a vibration absorption device capable of preventing vibration of a power generation unit that is a high-speed rotation body.

It is another technical feature of the present invention to provide a waste heat power generation system including a vibration absorber having an absorption unit between a power generation unit and a condensation unit.

According to an aspect of the present invention, there is provided a waste heat power generation system including a vibration absorption apparatus, including: a compression unit that pressurizes a working fluid; A heating unit for heating the working fluid pressurized by the compression unit; A power generating unit for generating energy using a working fluid heated by the heating unit; A condensing unit for condensing the working fluid discharged from the power generating unit; A condensing drum for storing the condensed working fluid and supplying the condensed working fluid to the compression unit through a discharge pipe; And an installation member composed of a plurality of frames for installing the compression unit, the heating unit, the power generation unit, the condensation unit, and the condensation drum in a multi-layered structure, wherein the condensation drum is installed in the first stage frame And the power generation unit and the condensation unit are installed in a second stage frame disposed above the first stage frame among the plurality of frames.

According to another aspect of the present invention, there is provided a waste heat generation system including a vibration absorption apparatus, including: a compression unit that pressurizes a working fluid; A heating unit for heating the working fluid pressurized by the compression unit; A gas-liquid separation unit which separates the working fluid heated by the heating unit into a working fluid of a gas component and a working fluid of a liquid component; A power generating unit generating energy using the working fluid of the gas component; An absorption unit in which a working fluid of a gas component discharged from the power generating unit and a working fluid of the liquid component are mixed; And a condensing unit for condensing the working fluid mixed by the absorption unit.

According to the present invention, since the modules constituting the waste heat power generation system can be arranged in a multi-layer structure, the waste heat power generation system can be efficiently installed in a limited space, thereby reducing the area required for installing the waste heat power generation system .

According to the present invention, since the power generating unit and the condensing unit are disposed in a higher layer than the condensing drum, the working fluid remaining in the power generating unit can be drained completely, thereby reducing the time required for trial operation , It is possible to prevent damage to the blade of the power generating unit rotated at a high speed.

Further, according to the present invention, there is an effect that the vibration preventing device can be absorbed by the vibration generated during operation of the power generating unit by disposing the vibration preventing device under the power generating unit.

Further, according to the present invention, by providing the absorption unit between the power generation unit and the condensation unit, it is possible to reduce the hammering phenomenon and the noise / vibration generation due to the phase change of the working fluid, thereby improving the power generation output.

In addition, according to the present invention, it is possible to economically use and commercialize a low-temperature array source, to improve productivity by reducing maintenance cost, and to secure the magnetic engineering ability of the low-temperature power generation array recovery technology .

Figure 1 is a diagram showing a typical Carina cycle.
2 is a view showing a power generation cycle of a waste heat power generation system installed in a multi-layer structure according to an embodiment of the present invention.
3 is a view showing a configuration of the waste heat power generation system shown in FIG.
4 is a view showing an example in which the power generating unit is installed in the first stage frame.
5 is a view showing an example in which the power generating unit is installed in the second stage frame.
Fig. 6 is a view showing an example of the configuration of the anti-vibration device shown in Fig. 5. Fig.
7 is a view showing an example in which the power generating unit is installed in the second stage frame through the support structure and the anti-vibration device.
8 is a view showing an example of a second stage frame provided with a plurality of anti-vibration devices.

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

The meaning of the terms described herein should be understood as follows.

The word " first, "" second," and the like, used to distinguish one element from another, are to be understood to include plural representations unless the context clearly dictates otherwise. The scope of the right should not be limited by these terms.

It should be understood that the terms "comprises" or "having" does not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, or combinations thereof.

It should be understood that the term "at least one" includes all possible combinations from one or more related items. For example, the meaning of "at least one of the first item, the second item and the third item" means not only the first item, the second item or the third item, but also the second item and the second item among the first item, Means any combination of items that can be presented from more than one.

FIG. 2 is a view showing a power generation cycle of a waste heat power generation system installed in a multi-layer structure according to an embodiment of the present invention, and FIG. 3 is a view showing a configuration of a waste heat power generation system shown in FIG.

2 and 3, a waste heat power generation system 200 (hereinafter referred to as a "waste heat power generation system") installed in a multi-layer structure according to an embodiment of the present invention includes a compression unit 210, a heat exchange unit 220, A heating unit 240, a gas-liquid separation unit 250, a power generation unit 260, an absorption unit 270, a condensation unit 280, a condensation drum 290, and a housing 300, .

2 and 3 illustrate that the heat transfer unit 220 and the preheating unit 230 are essential components. However, depending on the type of working fluid used in the waste heat power generation system 200 or the conditions of the waste heat power generation system 200, The unit 220 and the preheating unit 230 may be omitted. Hereinafter, for convenience of explanation, it is assumed that the waste heat power generation system 200 includes the heat transfer unit 220 and the preheating unit 230. [

The power generation cycle of the waste heat power generation system 200 according to an embodiment of the present invention includes a compression unit 210, a heat transfer unit 220, a preheating unit 230, a heating unit 240, a gas-liquid separation unit 250, The working fluid is circulated through the closed circuit to produce energy through the power generation unit 260. The power generation unit 260 is connected to the power generation unit 260, do.

At this time, the working fluid circulating through the waste heat power generation system 200 according to the present invention may be a working fluid containing two or more components. In one embodiment, the working fluid according to the present invention may be a multicomponent working fluid comprising a component having a low boiling point and a component having a high boiling point.

As an example, the working fluid can be an ammonia water mixture, two or more hydrocarbons, two or more freons, a mixture of hydrocarbons and Freon. Hereinafter, the operating fluid according to the present invention will be described as ammonia water mixed with water and ammonia for convenience of explanation.

The compression unit 210 pressurizes the working fluid. The compression unit 210 compresses the low-temperature working fluid discharged from the condensing drum 290, thereby increasing the pressure of the low-temperature working fluid discharged from the condensing drum 290. The compression unit 210 is installed between the condensing drum 290 and the heat transfer unit 220. The compression unit 210 supplies the pressurized low temperature working fluid to the heat transfer unit 220. In one embodiment, the compression unit 210 may be implemented with a pump WP as shown in FIG.

The heat transfer unit 220 preheats the low-temperature working fluid supplied from the compression unit 210 through heat exchange. In one embodiment, the heat transfer unit 220 can preheat the low-temperature working fluid supplied from the compression unit 210 using the high-temperature working fluid discharged from the absorption unit 270 as a heat exchange medium. That is, the heat transfer unit 220 exchanges heat between the high-temperature working fluid discharged from the absorption unit 270 and the low-temperature working fluid supplied from the compression unit 210, Lt; / RTI >

The preheating unit (230) secondarily preheats the primary preheated working fluid through the heat transfer unit (220). In one embodiment, the preheating unit 230 uses a working fluid of a high temperature liquid component separated by the gas-liquid separating unit 250 as a heat exchange medium to heat the primary preheated working fluid through the heat exchanging unit 220 to 2 The car can be preheated. That is, the preheating unit 230 performs heat exchange between the working fluid of the high-temperature liquid component supplied from the gas-liquid separator 250 and the primary preheated working fluid supplied from the heat transfer unit 220, The supplied primary preheated working fluid is secondarily preheated.

The heating unit 240 phase-changes the working fluid to a high-temperature and high-pressure gas by evaporating the secondary preheated working fluid through the preheating unit 230 using heat supplied from the external heat source 242. In one embodiment, heating unit 240 may utilize artificial geothermal water as heat source 242.

The gas-liquid separation unit 250 separates the working fluid of high temperature and high pressure supplied from the heating unit 240 into a working fluid of gas component which is mainly composed of ammonia and a working fluid of liquid component which is mainly composed of water. The gas-liquid separation unit 250 supplies the working fluid of the liquid component to the preheating unit 230 and the working fluid of the gas component to the power generation unit 260.

The power generation unit 260 includes a turbine 262 and a generator 264 connected to the turbine 262. The turbine 262 is rotated by the working fluid of the gas component supplied from the gas-liquid separation unit 250 to convert the chemical energy into mechanical energy. The generator 264 connected to the turbine 262 converts the mechanical energy converted by the turbine 262 into electrical energy.

The absorption unit 270 mixes the working fluid of the gas component discharged from the power generation unit 260 with the working fluid of the liquid component discharged after being used for the heat exchange in the preheating unit 230. The absorbing unit 270 induces the acceleration of the absorption reaction and the volume change is rapidly induced. The absorbing unit 270 absorbs shocks from sudden pressure changes and volume changes, thereby stabilizing the flow of the working fluid and safely operating the equipment.

That is, in the case of a general power generation system, since a separate absorption unit 270 is not provided, the working fluid of the gas component and the working fluid of the liquid component can only be mixed in the piping, so that the hammering phenomenon And noise / vibration are generated, so that the operation becomes unstable.

However, according to the present invention, since a separate absorption unit 270 is provided at the rear end of the power generation unit 260, the working fluid of the gas component and the working fluid of the liquid component can be mixed with each other, It is possible to eliminate the occurrence of noise / vibration, and accordingly, the power generation output of the power generation unit 260 can be improved.

The absorption unit 270 exchanges the mixed working fluid with the low-temperature working fluid (supplied from the compression unit 210) through the heat transfer unit 220 and supplies it to the condensation unit 280. By passing through this absorption unit 270, the working fluid becomes a working fluid state before being separated by the gas-liquid separation unit 250.

The condensing unit 280 condenses the working fluid, which is heat-exchanged by the heat transfer unit 220, with the cooling fluid supplied from the cooling tower 282. In one embodiment, the condensing unit 280 changes the working fluid to a liquid state by cooling the working fluid through heat exchange between the working fluid and the cooling fluid, which is heat-exchanged by the heat transfer unit 220.

The condensing drum 290 stores the working fluid that has been phase-converted into the liquid state by the condensing unit 280. [ In one embodiment, the condensing drum 290 allows the working fluid in the liquid state to be maintained in a state of being cooled by the condensing unit 280 during storage of the working fluid in the liquid state.

The working fluid in the liquid state stored in the condensing drum 290 is supplied to the compression unit 210 through the discharge pipe provided at the lower part of the condensing drum 290. The reason why the discharge piping for discharging the working fluid in the liquid state is provided at the lower part of the condensing drum 290 in the present invention is that when the discharge piping is provided at the upper part of the condensing drum 290, This is because there is a risk that the gas component of the working fluid that may remain may be supplied to the compression unit 210 through the discharge pipe provided at the upper part, and the compression unit 210 may be damaged.

The installation member 300 is for fixing the modules 210 to 290 in a multi-layered structure, and includes a plurality of frames 310, 320, and 330 as shown in FIG. Specifically, the mounting member 300 includes a first end frame 310 disposed at the bottom end, a second end frame 320 disposed at the top of the first end frame 310, and a second end frame 320, And a third stage frame 330 disposed at an upper portion of the third stage frame 330.

The first stage frame 310 is provided with a pressure unit 210, a preheating unit 230, a heating unit 240, a gas-liquid separating unit 250, and a condensing drum 290. In the second stage frame 320, a power generation unit 260 and a condensation unit 280 are installed. In the third stage frame 330, a heat transfer unit 220 and an absorption unit 270 are installed.

3, in the waste heat generation system 200 according to the present invention, the condensing drum 290 is installed in the first stage frame 310 and the condensing unit 280 is installed in the second stage frame 310, which is higher than the first stage frame, The condensing unit 280 is installed in the condensing drum 290 so that the working fluid condensed through the condensing unit 280 is discharged more smoothly to the condensing drum 290. [

At the same time, the waste heat power generation system 200 according to the present invention is configured such that the power generation unit 260 is connected to the second stage frame 320, which is the same as the condensing unit 280, in order to smooth the discharge of the working fluid from the power generation unit 260 The power generation unit 260 is also installed at the upper end of the condensing drum 290. The reason why the power generating unit 260 is installed in the second stage frame 320 is that if the power generating unit 260 is installed in the first stage frame 310 which is the same as the condensing drum 290 The working fluid is not drained from the power generation unit 260 and is accumulated in the power generation unit 260. This requires a long preheating time when the waste heat power generation system 200 is restarted and the power generation unit 260 The turbine blades may be burned when the turbine 262 rotates at a high speed instantaneously.

5, the power generation unit 260 is connected to the second stage frame 320, which is higher than the first stage frame 310 provided with the condensing drum 290, in the waste heat generation system 260 according to the present invention, The power generation cycle is formed from the high-low-pressure portion to the low-layer high-pressure portion as a whole, thereby preventing the phenomenon that the working fluid is accumulated in the power unit 260.

On the other hand, when the power generating unit 260 is installed in the second stage frame 320 as described above, vibration due to high-speed rotation of the power generating unit 260 may occur.

Accordingly, the waste heat power generation system 200 according to the present invention may further include the support structure 266 and the vibration absorbing device 340 for absorbing vibration of the power generation unit 260 as shown in FIG.

The support structure 266 serves to support the power generation unit 260 at a lower portion of the power generation unit 260.

The vibration absorber 340 is installed between the support structure 266 and the second stage frame 320 to absorb vibration generated by the power generator unit 260. The configuration of the vibration absorber 340 according to the present invention will be described more specifically with reference to Fig.

6 is a view showing the configuration of a vibration absorber 340 according to an embodiment of the present invention. 6, the vibration absorber 340 may include a cushioning member 710 and a housing 720. As shown in Fig. Further, the vibration absorber 340 may further include a first engaging member 730, a second engaging member 740, and a rubber pad 750.

The buffer member 710 is disposed between the second stage frame 320 and the support structure 266 and absorbs vibration of the power generation unit 260 by moving up and down by an elastic force. In one embodiment, the buffer member 710 may be implemented as a spring or the like.

The housing 720 is formed to enclose at least a part of the outer circumferential portion of the buffer member 710. In one embodiment, the housing 720 may be integrally formed with the cushioning member 710.

The first engagement member 730 couples the top of the buffer member 710 to the lower portion of the support structure 266. In one embodiment, the first engagement member 730 can couple the upper portion of the cushioning member 710 to the lower portion of the support structure 266 through bolt and nut fastening.

The second engaging member 740 engages the lower portion of the buffer member 710 with the surface of the second stage frame 320. In one embodiment, the second engagement member 740 may couple the lower portion of the cushioning member 710 to the surface portion of the second stage frame 320 through bolt and nut fastening.

The rubber pad 750 is disposed between the first engagement member 730 and the support structure 266 or between the upper portion of the cushioning member 710 and the support structure 266 to provide a shock due to the vibration of the power generation unit 260 Absorbed.

7 shows an example in which the power generating unit 260 is installed in the second stage frame 320 through the support structure 266 and the vibration preventing device 340. [

Meanwhile, the waste heat power generation system 200 according to the present invention may include a plurality of anti-vibration devices 340 as in the example shown in FIG. In this case, the plurality of anti-vibration devices 340 are installed on the second-stage frame 320 at a predetermined interval to disperse the vibration generated by the power generation unit 260 by the anti-vibration devices 340 Can be absorbed.

2, the waste heat power generation system 200 according to the present invention includes a sensing unit (not shown) and a concentration controller (not shown) for controlling the concentration of the working fluid circulating in the waste heat power generation system 200, As shown in FIG.

The sensing unit measures the temperature and the density of the working fluid (supplied from the condensing drum 290 and supplied to the condensing drum 290) through the circulating pipe (not shown) provided below the condensing drum 290 . Further, the sensing unit may further measure the pressure of the working fluid circulating through the circulation pipe.

A concentration regulator (not shown) calculates the concentration of the working fluid based on the temperature and density of the working fluid measured by the sensing unit. The concentration regulating device can also calculate the concentration of the working fluid based on the temperature, density, and pressure of the working fluid when the pressure of the working fluid is further measured by the sensing unit.

The reason for calculating the concentration of the working fluid through the concentration adjusting apparatus in the present invention is that, in the case of a waste heat power generation system using a working fluid containing ammonia, the sealing portion, the valve portion, and the venting portion of the turbine 262 included in the pyroelectric power generation system Ammonia leakage may affect the concentration of the working fluid and ultimately adversely affect the power generation efficiency and generation time. Therefore, by calculating the concentration of the working fluid periodically, the concentration of the working fluid Is to be changed.

In one embodiment, the concentration regulating device includes a concentration (concentration) matching the temperature and density measured by the sensor unit on a first look-up table (not shown) in which the temperature and density of the working fluid are matched with the concentration of the working fluid Can be calculated as the concentration of the working fluid. On the other hand, when information on the pressure of the working fluid is additionally measured, the concentration adjusting device measures the temperature and density measured on the first look-up table corresponding to the measured pressure among the plurality of first look- Is calculated as the concentration of the working fluid.

In another embodiment, the concentration regulating device may calculate the concentration of the working fluid by using a second look-up table (not shown) expressed by a functional expression relating to the density of the working fluid for each working fluid temperature. If the concentration of the working fluid is calculated using the second look-up table in which the working fluid concentration is expressed by a function formula relating to the density of the working fluid, the smaller the storage space is required than the case of using the first lookup table .

On the other hand, the concentration adjusting device compensates the concentration of the working fluid by replenishing ammonia to the condensing drum 290 when the concentration of the calculated working fluid is smaller than the target concentration.

It will be understood by those skilled in the art that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof.

It is therefore to be understood that the above-described embodiments are illustrative in all aspects and not restrictive. The scope of the present invention is defined by the appended claims rather than the detailed description and all changes or modifications derived from the meaning and scope of the claims and their equivalents are to be construed as being included within the scope of the present invention do.

200: waste heat generation operation fluid concentration control device 210: compression unit
220: heat transfer unit 230: preheating unit
240: heating unit 250: gas-liquid separation unit
260: power generation unit 270: absorption unit
280: condensing unit 290: condensing drum
300: mounting member 310: first stage frame
320: second stage frame 330: third stage frame
340: Anti-vibration device

Claims (13)

A compression unit which pressurizes the working fluid;
A heating unit for heating the working fluid pressurized by the compression unit;
A power generating unit for generating energy using a working fluid heated by the heating unit;
A condensing unit for condensing the working fluid discharged from the power generating unit;
A condensing drum for storing the condensed working fluid and supplying the condensed working fluid to the compression unit through a discharge pipe; And
And a mounting member composed of a plurality of frames for installing the compression unit, the heating unit, the power generation unit, the condensing unit, and the condensing drum in a multi-layered structure,
Wherein the condensing drum is installed in a first stage frame of the plurality of frames and the power generating unit and the condensing unit are installed in a second stage frame disposed on the first stage frame among the plurality of frames A waste heat power generation system comprising a vibration absorbing device. The method according to claim 1,
A support structure for supporting the power generation unit at a lower portion of the power generation unit; And
Further comprising a vibration absorbing device installed between the two-stage frame and the support structure for absorbing vibration of the power generating unit. The method according to claim 1,
A buffer member for absorbing vibration of the power generation unit; And
Further comprising a vibration absorbing device including a housing formed to surround an outer periphery of the buffer member. The method according to claim 1,
A gas-liquid separator for separating the working fluid, which is disposed between the heating unit and the power-generating unit and heated by the heating unit, into a working fluid of a gas component and a working fluid of a liquid component, A separation unit; And
Further comprising an absorption unit disposed between the power generation unit and the condensation unit and mixing the working fluid of the gas component discharged from the power generation unit with the working fluid of the liquid component and supplying the mixed working fluid to the condensation unit. The system comprising: A compression unit which pressurizes the working fluid;
A heating unit for heating the working fluid pressurized by the compression unit;
A gas-liquid separation unit which separates the working fluid heated by the heating unit into a working fluid of a gas component and a working fluid of a liquid component;
A power generating unit generating energy using the working fluid of the gas component;
An absorption unit in which a working fluid of a gas component discharged from the power generating unit and a working fluid of the liquid component are mixed; And
And a condensing unit for condensing the working fluid mixed by said absorption unit. 6. The method of claim 5,
Further comprising a preheating unit for heat-exchanging a working fluid pressurized by the compression unit and a working fluid of the liquid component discharged from the gas-liquid separation unit,
Wherein the absorption unit mixes the working fluid of the liquid component used for the heat exchange of the preheating unit with the working fluid of the gas component discharged from the power generation unit. 6. The method of claim 5,
Further comprising a heat transfer unit that exchanges heat between the working fluid pressurized by the compression unit and the working fluid discharged from the absorption unit,
Wherein the condensing unit condenses the working fluid heat exchanged with the pressurized working fluid. 6. The method of claim 5,
A buffer member for absorbing vibration of the power generation unit; And
Further comprising a vibration absorbing device including a housing formed to surround an outer periphery of the buffer member. 6. The method of claim 5,
A condensing drum in which the working fluid condensed by the condensing unit is stored; And
Further comprising an installation member composed of a plurality of frames for installing the waste heat power generation system in a multi-layered structure,
Wherein the condensing drum is installed in a first stage frame of the plurality of frames and the power generating unit and the condensing unit are installed in a second stage frame disposed on the first stage frame among the plurality of frames A waste heat power generation system comprising a vibration absorbing device. 10. The method of claim 9,
A support structure for supporting the power generation unit at a lower portion of the power generation unit; And
Further comprising a vibration absorbing device installed between the two-stage frame and the support structure for absorbing vibration of the power generating unit. 11. The method of claim 10,
Further comprising a rubber pad disposed between the support structure and the vibration absorbing device. 11. The method of claim 10,
The vibration absorbing device includes:
A first coupling member coupling an upper portion of a buffer member for absorbing vibration of the power generation unit to a lower portion of the support structure; And
And a second coupling member coupling an upper portion of the buffer member to the second stage frame. 10. The method of claim 9,
Further comprising a plurality of vibration absorbing devices installed on the second stage frame at predetermined intervals to absorb vibration of the power generating unit.

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