CN213869987U - 10kW ORC waste heat utilization system - Google Patents
10kW ORC waste heat utilization system Download PDFInfo
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- CN213869987U CN213869987U CN202023160490.1U CN202023160490U CN213869987U CN 213869987 U CN213869987 U CN 213869987U CN 202023160490 U CN202023160490 U CN 202023160490U CN 213869987 U CN213869987 U CN 213869987U
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Abstract
A10 kW ORC waste heat utilization system relates to the field of heat energy recovery. The utility model relates to a solve the problem that the recovery of low-grade heat lacks the small capacity heat recovery mode. The utility model discloses waste heat exchanger's cold water entry and the cold water export intercommunication of evaporimeter, waste heat exchanger's hot water entry and electric heating boiler's water inlet intercommunication, electric heating boiler's delivery port and the hot water entry intercommunication of evaporimeter, the organic working medium export of the cooling of condenser and the organic working medium entry intercommunication of evaporimeter, the steam outlet of evaporimeter and turbine steam inlet intercommunication, the pivot of turbine links to each other with the pivot of generator, the steam outlet of turbine and the steam inlet intercommunication of condenser.
Description
Technical Field
The utility model belongs to the heat energy field especially relates to heat recovery.
Background
Compared with high-grade energy sources such as coal, petroleum, natural gas and the like, the low-grade waste heat has low energy contained in the same unit and great utilization difficulty. However, from the energy utilization pattern, the low-grade waste heat is used as a key link of energy production and energy utilization, and plays an important role in the strategy of energy conservation and emission reduction. At present, the recovery of low-grade heat is mainly focused on a large-capacity heat recovery mode, and an effective means is not available for small-capacity heat recovery.
SUMMERY OF THE UTILITY MODEL
The utility model relates to a solve the problem that the recovery of low-grade heat lacks the small capacity heat recovery mode, provide a 10kW ORC waste heat utilization system now.
A10 kW ORC waste heat utilization system, includes: hot water system and ORC power generation system, the hot water system includes: waste heat exchanger 1 and electric heating boiler 2, ORC power generation system includes: an evaporator 3, a turbine 4, a generator 5 and a condenser 6,
a cold water inlet of the waste heat exchanger 1 is communicated with a cold water outlet of the evaporator 3, a hot water inlet of the waste heat exchanger 1 is communicated with a water inlet of the electric heating boiler 2, a water outlet of the electric heating boiler 2 is communicated with a hot water inlet of the evaporator 3,
the cooling organic working medium outlet of the condenser 6 is communicated with the organic working medium inlet of the evaporator 3, the steam outlet of the evaporator 3 is communicated with the steam inlet of the turbine 4, the rotating shaft of the turbine 4 is connected with the rotating shaft of the generator 5, and the steam outlet of the turbine 4 is communicated with the steam inlet of the condenser 6.
Further, the cooled organic working medium from the condenser 6 is pumped into the evaporator 3 by means of a circulation pump 7.
Further, the condenser 6 is further provided with a cold water inlet and a warming water outlet, the cold water inlet is communicated with the cold water outlet of the cooling tower, and the warming water outlet is communicated with the warming water inlet of the cooling tower.
Further, valves are provided on a path between the waste heat exchanger 1 and the electric heating boiler 2, a path between the electric heating boiler 2 and the evaporator 3, a path between the waste heat exchanger 1 and the evaporator 3, a path between the evaporator 3 and the turbine 4, a path between the evaporator 3 and the condenser 6, and a path between the turbine 4 and the condenser 6.
Further, the 10kW ORC waste heat utilization system further includes two temperature sensors, one temperature sensor is located on a path between the waste heat exchanger 1 and the electric heating boiler 2 and is used for collecting the temperature of the hot water heated by the waste heat exchanger 1, and the other temperature sensor is located on a path between the electric heating boiler 2 and the evaporator 3 and is used for collecting the temperature of the hot water heated by the electric heating boiler 2.
Further, the 10kW ORC waste heat utilization system further includes a pressure sensor, and the pressure sensor is located inside the turbine 4 and is used for collecting the pressure of steam inside the turbine 4.
A10 kW ORC waste heat utilization system, be a low-grade heat recovery system, can satisfy the unit that has low capacity low-grade heat and the regional requirement that carries out waste heat recovery, promote the quality of low capacity low-order article waste heat, realize waste heat utilization's purpose through ORC (Organic Rankine Cycle, source Organic Rankine Cycle system) power generation system to realize energy saving and emission reduction.
Drawings
FIG. 1 is a schematic structural diagram of a 10kW ORC waste heat utilization system.
Detailed Description
Specifically, the present embodiment is described with reference to fig. 1, and the 10kW ORC waste heat utilization system according to the present embodiment includes: hot water system and ORC power generation system, the hot water system includes: waste heat exchanger 1 and electric heating boiler 2, ORC power generation system includes: evaporator 3, turbine 4, generator 5, condenser 6, two temperature sensors and a pressure sensor.
A cold water inlet of the waste heat exchanger 1 is communicated with a cold water outlet of the evaporator 3, a hot water inlet of the waste heat exchanger 1 is communicated with a water inlet of the electric heating boiler 2, and a water outlet of the electric heating boiler 2 is communicated with a hot water inlet of the evaporator 3.
The cooling organic working medium outlet of the condenser 6 is communicated with the organic working medium inlet of the evaporator 3, the steam outlet of the evaporator 3 is communicated with the steam inlet of the turbine 4, the rotating shaft of the turbine 4 is connected with the rotating shaft of the generator 5, and the steam outlet of the turbine 4 is communicated with the steam inlet of the condenser 6.
In practical application, the residual heat source enters the residual heat exchanger 1 through the residual heat inlet pipe 8, the residual heat source exchanges heat with cold water from the evaporator 3, and the residual heat source after heat exchange and temperature reduction is discharged out of the residual heat exchanger 1 through the residual heat outlet pipe 9. The hot water after heat exchange enters the electric heating boiler 2 to continuously improve the temperature quality, then the hot water with the improved temperature quality enters the evaporator 3 to exchange heat with the cooling organic working medium, and the cold water after heat exchange returns to the waste heat heater 1 to carry out the next circulation of the hot water system.
Cooling organic working medium is pumped into the evaporator 3 through the circulating pump 7, the evaporator 3 utilizes the cooling organic working medium and hot water heat exchange for improving quality, the organic working medium generates steam, the steam enters the turbine 4 to push the turbine to rotate, the turbine 4 can drive the generator 5 to rotate, and the purpose of power generation is finally achieved. Then, the steam which drives the turbine 4 to rotate enters the condenser 6. The condenser 6 is also provided with a cold water inlet and a temperature rising water outlet, the cold water inlet of the condenser 6 is communicated with the cold water outlet of the cooling tower, and the temperature rising water outlet of the condenser 6 is communicated with the temperature rising water inlet of the cooling tower. The steam entering the condenser 6 is cooled by cold water to a liquid cooled organic working medium and pumped into the evaporator 3 by the circulation pump 7, thereby performing the next cycle of the ORC power generation system.
One temperature sensor is located on a passage between the waste heat exchanger 1 and the electric heating boiler 2 and used for collecting the temperature of hot water heated by the waste heat exchanger 1, and the other temperature sensor is located on a passage between the electric heating boiler 2 and the evaporator 3 and used for collecting the temperature of the hot water heated by the electric heating boiler 2. The application of the temperature sensor can monitor the water temperature difference before and after heating in real time, and further adjust the heating power of the electric heating boiler 2.
The pressure sensor is located inside the turbine 4 and used for collecting the pressure of steam inside the turbine 4 in real time and preventing the turbine 4 from being damaged due to overlarge pressure.
Furthermore, in actual operation, in order to have better flexibility, valves are arranged on a passage between the waste heat exchanger 1 and the electric heating boiler 2, a passage between the electric heating boiler 2 and the evaporator 3, a passage between the waste heat exchanger 1 and the evaporator 3, a passage between the evaporator 3 and the turbine 4, a passage between the evaporator 3 and the condenser 6, and a passage between the turbine 4 and the condenser 6.
Claims (6)
1. A10 kW ORC waste heat utilization system, characterized by includes: a hot water system and an ORC power generation system,
the hot water system includes: a waste heat exchanger (1) and an electric heating boiler (2),
the ORC power generation system includes: an evaporator (3), a turbine (4), a generator (5) and a condenser (6),
a cold water inlet of the waste heat exchanger (1) is communicated with a cold water outlet of the evaporator (3), a hot water inlet of the waste heat exchanger (1) is communicated with a water inlet of the electric heating boiler (2), a water outlet of the electric heating boiler (2) is communicated with a hot water inlet of the evaporator (3),
the cooling organic working medium outlet of the condenser (6) is communicated with the organic working medium inlet of the evaporator (3), the steam outlet of the evaporator (3) is communicated with the steam inlet of the turbine (4), the rotating shaft of the turbine (4) is connected with the rotating shaft of the generator (5), and the steam outlet of the turbine (4) is communicated with the steam inlet of the condenser (6).
2. A 10kW ORC waste heat utilization system according to claim 1, characterised in that the cooled organic working medium of the condenser (6) is pumped into the evaporator (3) by means of a circulation pump (7).
3. A10 kW ORC waste heat utilization system according to claim 1, wherein the condenser (6) is further provided with a cold water inlet and a warm water outlet,
the cold water inlet is communicated with the cold water outlet of the cooling tower, and the warming water outlet is communicated with the warming water inlet of the cooling tower.
4. A10 kW ORC waste heat utilization system according to claim 1, 2 or 3,
valves are arranged on a passage between the waste heat exchanger (1) and the electric heating boiler (2), a passage between the electric heating boiler (2) and the evaporator (3), a passage between the waste heat exchanger (1) and the evaporator (3), a passage between the evaporator (3) and the turbine (4), a passage between the evaporator (3) and the condenser (6) and a passage between the turbine (4) and the condenser (6).
5. The 10kW ORC waste heat utilization system of claim 1, 2 or 3, further comprising two temperature sensors,
a temperature sensor is positioned on a passage between the waste heat exchanger (1) and the electric heating boiler (2) and is used for collecting the temperature of hot water heated by the waste heat exchanger (1),
and the other temperature sensor is positioned on a passage between the electric heating boiler (2) and the evaporator (3) and is used for collecting the temperature of the hot water heated by the electric heating boiler (2).
6. A 10kW ORC waste heat utilization system according to claim 1, 2 or 3 further comprising a pressure sensor located inside the turbine (4) for collecting the pressure of the steam inside the turbine (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023160490.1U CN213869987U (en) | 2020-12-24 | 2020-12-24 | 10kW ORC waste heat utilization system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023160490.1U CN213869987U (en) | 2020-12-24 | 2020-12-24 | 10kW ORC waste heat utilization system |
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| Publication Number | Publication Date |
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| CN213869987U true CN213869987U (en) | 2021-08-03 |
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| CN202023160490.1U Active CN213869987U (en) | 2020-12-24 | 2020-12-24 | 10kW ORC waste heat utilization system |
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