CN210568322U - Flue gas waste heat ORC power generation system - Google Patents
Flue gas waste heat ORC power generation system Download PDFInfo
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- CN210568322U CN210568322U CN201921445079.3U CN201921445079U CN210568322U CN 210568322 U CN210568322 U CN 210568322U CN 201921445079 U CN201921445079 U CN 201921445079U CN 210568322 U CN210568322 U CN 210568322U
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- flue gas
- power generation
- heat
- cooling tower
- orc power
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- 238000010248 power generation Methods 0.000 title claims abstract description 36
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract description 34
- 239000003546 flue gas Substances 0.000 title claims abstract description 34
- 239000002918 waste heat Substances 0.000 title claims abstract description 19
- 238000001816 cooling Methods 0.000 claims abstract description 30
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 13
- 238000005516 engineering process Methods 0.000 description 3
- 238000011084 recovery Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000003020 moisturizing effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000002440 industrial waste Substances 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
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Abstract
The utility model discloses a flue gas waste heat ORC power generation system, which comprises a flue gas-heat transfer oil heat exchange system and an ORC power generation device, wherein the flue gas-heat transfer oil heat exchange system comprises a flue gas-heat transfer oil heat exchanger, an oil circulating pump and an oil tank, the ORC power generation device comprises an evaporator, a turbine generator, a closed cooling tower, a water replenishing pump and a working medium pump, the utility model reduces the working pressure of the intermediate heat transfer link by adopting heat transfer oil as an intermediate heat exchange medium, so that the system can run under normal pressure, increases the system reliability, simultaneously cancels a complex constant pressure system, and has simpler system and control, the utility model adopts the closed cooling tower as an ORC device condenser, integrates the original condenser and the cooling tower into a whole, cancels a complex circulating water system with larger power consumption, and improves the power generation efficiency of the ORC power generation device, the whole investment is reduced, and the system and the control are simpler.
Description
Technical Field
The utility model relates to a power equipment technical field specifically is a flue gas waste heat ORC power generation system.
Background
The flue gas waste heat widely exists in industrial sites, and in industries such as power generation, cement, glass, metallurgy and the like, the heat taken away by the flue gas emission accounts for a large part, and the flue gas waste heat recovery method is also the key direction of waste heat recovery of industrial enterprises. The most ideal mode of flue gas waste heat recovery is to adopt the steam power generation scheme of waste heat boiler + steam turbine, but this scheme needs the flue gas temperature high, the flow is big, to the flue gas waste heat that the temperature is lower or the flow is less, steam power generation scheme suitability greatly reduced.
At present, in the field of lower-temperature industrial waste heat utilization, an Organic Rankine Cycle (ORC) power generation technology is a reasonable utilization scheme, and due to the characteristics of the ORC power generation technology, compared with the traditional steam Rankine cycle, the ORC power generation technology has the characteristics of simple system and high heat utilization rate in the field of low-temperature power generation.
The system for driving the ORC power generation equipment by using the flue gas waste heat needs the intervention of an intermediate heat exchange medium, and at present, pressure water is commonly used as the intermediate heat exchange medium, but the scheme needs water to work under higher pressure and needs a complex constant pressure system.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a flue gas waste heat ORC power generation system to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: an ORC power generation system utilizing flue gas waste heat comprises a flue gas-heat transfer oil heat exchange system and an ORC power generation device, wherein the flue gas-heat transfer oil heat exchange system comprises a flue gas-heat transfer oil heat exchanger, an oil circulating pump and an oil tank, the ORC power generation device comprises an evaporator, a turbine generator, a closed cooling tower, a water replenishing pump and a working medium pump, the flue gas-heat transfer oil heat exchanger comprises a flue gas inlet, a flue gas outlet, a heat transfer oil inlet and a heat transfer oil outlet, the flue gas inlet of the flue gas-heat transfer oil heat exchanger is communicated with a flue gas pipeline, the flue gas outlet of the flue gas-heat transfer oil heat exchanger is directly exhausted to the atmosphere, the heat transfer oil outlet of the flue gas-heat transfer oil heat exchanger is connected to a heat source inlet of the evaporator through a pipeline, a heat source, the turbine generator is connected with the closed cooling tower through a working medium pipeline, and the closed cooling tower and the evaporator are connected with the working medium pump through the working medium pipeline.
Preferably, the closed cooling tower is connected with a water replenishing pump through a pipeline.
Preferably, the flue gas-heat conducting oil heat exchanger, the oil circulating pump, the water replenishing pump and the working medium pump are electrically connected with an external power supply.
Preferably, the ORC power generation device adopts a closed cooling tower as a condenser, and a cooling circulation system is omitted.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses an adopt the conduction oil as middle heat transfer medium, reduced the operating pressure of middle heat conduction link, make it can move under the ordinary pressure, increased system reliability, also cancelled complicated level pressure system simultaneously, the system is simpler with control.
2. The utility model discloses an adopt the closed cooling tower as ORC device condenser, unite two into one former condenser and cooling tower, cancelled complicated and the great circulating water system of power consumption, ORC power generation facility's generating efficiency improves, and whole investment volume reduces, and the system is simpler with control.
Drawings
FIG. 1 is a schematic diagram of the ORC power generation system using waste heat of flue gas;
in the figure: the method comprises the following steps of 1-flue gas-heat conducting oil heat exchanger, 2-oil circulating pump, 3-oil tank, 4-evaporator, 5-turbine generator, 6-closed cooling tower, 7-water replenishing pump and 8-working medium pump.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1, the present invention provides a technical solution: an ORC power generation system utilizing flue gas waste heat comprises a flue gas-heat transfer oil heat exchange system and an ORC power generation device, wherein the flue gas-heat transfer oil heat exchange system comprises a flue gas-heat transfer oil heat exchanger 1, an oil circulating pump 2 and an oil tank 3, the ORC power generation device comprises an evaporator 4, a turbine generator 5, a closed cooling tower 6 and a working medium pump 8, the flue gas-heat transfer oil heat exchanger 1 comprises a flue gas inlet, a flue gas outlet, a heat transfer oil inlet and a heat transfer oil outlet, the flue gas inlet of the flue gas-heat transfer oil heat exchanger 1 is communicated with a flue gas pipeline, the flue gas outlet of the flue gas-heat transfer oil heat exchanger 1 is directly exhausted to the atmosphere, the heat transfer oil outlet of the flue gas-heat transfer oil heat exchanger 1 is connected to a heat source inlet of the evaporator, 3 exit linkage oil circulating pump 2 entrys of oil tank, and the conduction oil is sent to 1 conduction oil entry of flue gas-conduction oil heat exchanger through oil circulating pump 2 pump, accomplishes oil circulation, ORC power generation facility includes evaporimeter 4, turbo generator 5, closed cooling tower 6, working medium pump 8, turbo generator 5 connects closed cooling tower 6 and evaporimeter 4 respectively through working medium pipeline, closed cooling tower 6 and evaporimeter 4 link to each other with working medium pump 8 through working medium pipeline and form working medium circulation system, closed cooling tower 6 has moisturizing pump 7 through the pipe connection, turbo generator 5, flue gas-conduction oil heat exchanger 1, oil circulating pump 2, moisturizing pump 7 and working medium pump 8 all carry out electric connection with external power source, ORC power generation facility adopts closed cooling tower 6 as the condenser, has cancelled cooling circulation system.
The working principle is as follows: the flue gas-heat transfer oil heat exchanger 1 is connected with an oil circulating pump 2 connected with the flue gas-heat transfer oil heat exchanger, an oil tank 3 is arranged at an inlet of the oil circulating pump 2, sufficient oil supply is guaranteed, heat is released by the heat transfer oil in an ORC power generation equipment evaporator 4, the evaporator 4 is connected with a turbine generator 5 through a working medium pipeline, an organic working medium absorbs heat in the evaporator 4 and evaporates into a gas state, the turbine generator 5 is driven to generate electricity, the turbine generator 5 is connected with a closed cooling tower 6, steam discharged by the turbine generator 5 enters the closed cooling tower 6 to be condensed into liquid, the closed cooling tower is provided with a water replenishing pump 7, cooling of the working medium is achieved, an outlet of the closed cooling tower 6 is connected with a working medium pump 8, the working medium pump 8 boosts the liquid working.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (4)
1. The utility model provides a flue gas waste heat ORC power generation system, includes flue gas-conduction oil heat transfer system, ORC power generation facility, its characterized in that: the flue gas-heat conduction oil heat exchange system comprises a flue gas-heat conduction oil heat exchanger (1), an oil circulating pump (2) and an oil tank (3), the ORC power generation equipment comprises an evaporator (4), a turbine generator (5), a closed cooling tower (6), a water replenishing pump (7) and a working medium pump (8), the flue gas-heat conduction oil heat exchanger (1) comprises a flue gas inlet, a flue gas outlet, a heat conduction oil inlet and a heat conduction oil outlet, the flue gas inlet of the flue gas-heat conduction oil heat exchanger (1) is communicated with a flue gas pipeline, the flue gas outlet of the flue gas-heat conduction oil heat exchanger (1) is directly exhausted to the atmosphere, the heat conduction oil outlet of the flue gas-heat conduction oil heat exchanger (1) is connected to a heat source inlet of the evaporator (4) through a pipeline, a heat source outlet of the evaporator (4) is connected to an inlet, the evaporator (4) is connected with the turbine generator (5) through a working medium pipeline, the turbine generator (5) is connected with the closed cooling tower (6) through the working medium pipeline, and the closed cooling tower (6) and the evaporator (4) are connected with the working medium pump (8) through the working medium pipeline.
2. The flue gas waste heat ORC power generation system of claim 1, wherein: and the closed cooling tower (6) is connected with a water replenishing pump (7) through a pipeline.
3. The flue gas waste heat ORC power generation system of claim 1, wherein: the flue gas-heat conducting oil heat exchanger (1), the oil circulating pump (2), the water replenishing pump (7) and the working medium pump (8) are electrically connected with an external power supply.
4. The flue gas waste heat ORC power generation system of claim 1, wherein: the ORC power generation device adopts a closed cooling tower (6) as a condenser, and a cooling circulation system is omitted.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201921445079.3U CN210568322U (en) | 2019-09-02 | 2019-09-02 | Flue gas waste heat ORC power generation system |
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Application Number | Priority Date | Filing Date | Title |
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CN201921445079.3U CN210568322U (en) | 2019-09-02 | 2019-09-02 | Flue gas waste heat ORC power generation system |
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Publication Number | Publication Date |
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CN210568322U true CN210568322U (en) | 2020-05-19 |
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CN201921445079.3U Expired - Fee Related CN210568322U (en) | 2019-09-02 | 2019-09-02 | Flue gas waste heat ORC power generation system |
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2019
- 2019-09-02 CN CN201921445079.3U patent/CN210568322U/en not_active Expired - Fee Related
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200519 |