CN203403912U - Power generation device of low temperature heat pump power generation system - Google Patents
Power generation device of low temperature heat pump power generation system Download PDFInfo
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- CN203403912U CN203403912U CN201320386296.6U CN201320386296U CN203403912U CN 203403912 U CN203403912 U CN 203403912U CN 201320386296 U CN201320386296 U CN 201320386296U CN 203403912 U CN203403912 U CN 203403912U
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Abstract
The utility model belongs to the technical field of low temperature power generation equipment, and particularly relates to a power generation device of a low temperature heat pump power generation system. The power generation device of the low temperature heat pump power generation system comprises a double-screw expander, a cycle working medium condenser, a working medium circulating pump, a cycle working medium evaporator and a heat pump, wherein the double-screw expander, the cycle working medium condenser, the working medium circulating pump and the cycle working medium evaporator are sequentially connected in series through a pipeline to form an airtight circulation loop; a mechanical output shaft of the double-screw expander is fixedly connected with an input shaft of a generator set; the cycle working medium evaporator is provided with a heat source water inlet and a heat source water outlet; the heat pump is arranged between the heat source water inlet and the heat source water outlet. According to the power generation device of the low temperature heat pump power generation system, a heat pump technology and a low temperature power generation technology are combined, low temperature heat energy can be effectively utilized, generating efficiency is improved, energy consumption is lowered, and therefore the power generation device of the low temperature heat pump power generation system has great significance in energy conversation, emission reduction and environmental protection.
Description
Technical field
The utility model belongs to low-temperature electricity-generating equipment technical field, relates in particular to a kind of hot pump in low temp power generation system electricity generating device.
Background technique
Low-temperature electricity-generating is to adopt screw expander to drive generator generating, its principle is to utilize organic rankie cycle, adopt organic working medium as the working medium of thermodynamic cycle, carry out waste heat heat exchange with the low-temperature heat source of 60～100 ℃, after organic working medium heat absorption, produce high pressure steam, lead-screw decompressor drives generator generating.But the problem that low-temperature generating system exists is: when the temperature of low-temperature heat source is during lower than 60 ℃, low-temperature generating system can not generate electricity substantially, and therefore, the efficiency of low-temperature generating system is very low, and the utilization ratio of low-temperature heat source is very low.
Heat pump techniques refers to by inputting a small amount of high-grade energy, as electric energy, realizes and being shifted to high potential temperature heat energy by low-temperature heat energy, and heat pump techniques is a kind of power-saving technology of low temperature heat.The heat pump that utilizes heat pump techniques to make can extract heat for heat supply from low-temperature heat source, and its heating load is far longer than the mechanical energy that it consumes.
Heat pump is incorporated in low-temperature generating system to being necessary very.
Model utility content
The technical problems to be solved in the utility model is: a kind of hot pump in low temp power generation system electricity generating device is provided, to realize, efficiently utilizes low temperature heat energy, improve generating efficiency, reduce energy consumption, protection of the environment.
The utility model is to realize like this, a power generation system electricity generating device, described hot pump in low temp power generation system electricity generating device comprises: the twin-screw expander, cycle fluid condenser, working medium circulating pump and the cycle fluid vaporizer that by pipeline, are connected in series and are connected into successively sealing and circulating loop; The mechanical output shaft of described twin-screw expander is fixedly connected with the input shaft of generator set; Described cycle fluid vaporizer is provided with heat source water import and heat source water outlet; Between described heat source water import and the outlet of described heat source water, be provided with heat pump.
As a kind of improvement, described heat pump comprises heat pump condenser, heat pump expansion valve, evaporator with heat pump, the heat pump compressor that is connected in series and is connected into successively sealing and circulating loop by pipeline; Described heat pump condenser is connected by pipeline with heat source water outlet, the heat source water import of described cycle fluid vaporizer respectively; Described evaporator with heat pump is connected by pipeline with the heat source water outlet of described cycle fluid vaporizer.
As further improvement, between the outlet of the heat source water of described cycle fluid vaporizer and described heat pump condenser, be provided with modulating valve.
Owing to adopting technique scheme, during hot pump in low temp power generation system electricity generating device operation of the present utility model, what heat source water was supplied with is that temperature is the low-temperature heat source of 60～100 ℃, heat source water enters cycle fluid vaporizer and cycle fluid carries out heat exchange, cycle fluid becomes the gaseous state for High Temperature High Pressure, enter twin-screw expander, drive twin-screw expander is rotated, by twin-screw expander, drive generator set work to generate electricity, enter again cycle fluid condenser, after the heat release of gaseous state cycle fluid, become liquid state, under the drive of working medium circulating pump, be back to cycle fluid vaporizer, so circulation.
When the temperature of heat source water is during lower than 60 ℃, its shortage of heat is to supply with the required heat of generating, now by heat pump, increase additional heat, part heat source water carries out with it heat exchange temperature rising when the heat source water outlet of cycle fluid vaporizer is flowed out through heat pump condenser, flow into again afterwards the heat source water import of cycle fluid vaporizer, for cycle fluid vaporizer provides the thermal source that reaches generating temperature; Another part heat source water flows into the import of evaporator with heat pump from the heat source water outlet of cycle fluid vaporizer is flowed out, and for the refrigeration agent in heat pump cycle pipeline provides thermal source, refrigeration agent absorbs heat of vaporization, reaches heat pump condenser heat release after compressor.
Hot pump in low temp power generation system electricity generating device of the present utility model adopts heat pump techniques to be combined with low-temperature electricity-generating technology, can effectively utilize low temperature heat energy, improves generating efficiency, reduces energy consumption, has important energy-saving and emission-reduction and protection of the environment meaning.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of hot pump in low temp power generation system electricity generating device of the present utility model;
Wherein, 1, twin-screw expander, 2, generator set, 3, cycle fluid condenser, 4, working medium circulating pump, 5, cycle fluid vaporizer, 6, modulating valve, 7, heat pump condenser, 8, heat pump expansion valve, 9, evaporator with heat pump, 10, heat pump compressor.
Embodiment
In order to make the purpose of this utility model, technological scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.
As shown in Figure 1, this hot pump in low temp power generation system electricity generating device comprises: the twin-screw expander 1, cycle fluid condenser 3, working medium circulating pump 4 and the cycle fluid vaporizer 5 that by pipeline, are connected in series and are connected into successively sealing and circulating loop; The mechanical output shaft of this twin-screw expander 1 is fixedly connected with the input shaft of generator set 2; Cycle fluid condenser 3 is provided with cooling water intake and coolant outlet; Cycle fluid vaporizer 5 is provided with heat source water import and heat source water outlet; Be arranged on the heat pump between heat source water import and heat source water outlet, this heat pump comprises heat pump condenser 7, heat pump expansion valve 8, evaporator with heat pump 9, the heat pump compressor 10 that is connected in series and is connected into successively sealing and circulating loop by pipeline; This heat pump condenser 7 is connected by pipeline with the heat source water outlet of cycle fluid vaporizer 5, and this heat pump condenser 7 is connected by pipeline with the heat source water import of cycle fluid vaporizer 5; This evaporator with heat pump 9 is connected by pipeline with the heat source water outlet of cycle fluid vaporizer 5.
In the present embodiment, cycle fluid refers to stabilizer, and that conventional is R-245fa, and in Fig. 1, double-head arrow refers to the flow direction of cycle fluid, and solid line list arrow refers to the flow direction of heat pump refrigerant, and dotted arrow refers to the flow direction of heat source water.
In the present embodiment, what heat source water was supplied with is that temperature is the low-temperature heat source of 60～100 ℃, heat source water enters cycle fluid vaporizer 5 and carries out heat exchange with cycle fluid, cycle fluid becomes the gaseous state for High Temperature High Pressure, enter twin-screw expander 1, drive twin-screw expander 1 to rotate, by twin-screw expander 1, drive generator set 2 work to generate electricity, enter again cycle fluid condenser 3, from cycle fluid condenser 3, gaseous state cycle fluid is become to liquid state, under the drive of working medium circulating pump 4, be back to cycle fluid vaporizer 5, so circulation.
When the temperature of heat source water is during lower than 60 ℃, its shortage of heat is to supply with the required heat of generating, now by heat pump, increase additional heat, part heat source water flows out from the heat source water outlet of cycle fluid vaporizer 5, through heat pump condenser 7, also carry out with it heat exchange temperature rising, flow into again afterwards the 5 heat source water imports of cycle fluid vaporizer, for cycle fluid vaporizer 5 provides the thermal source that reaches generating temperature.Another part heat source water flows out from the heat source water outlet of cycle fluid vaporizer 5, flows into evaporator with heat pump 9, and for the refrigeration agent in heat pump cycle pipeline provides thermal source, refrigeration agent absorbs heat of vaporization, arrives heat pump condenser 7 heat releases after heat pump compressor 10.
Hot pump in low temp power generation system electricity generating device of the present utility model adopts heat pump techniques to be combined with low-temperature electricity-generating technology, can effectively utilize low temperature heat energy, improves generating efficiency, reduces energy consumption, has important energy-saving and emission-reduction and protection of the environment meaning.
In the utility model, between the outlet of the heat source water of cycle fluid vaporizer 5 and heat pump condenser 7, be provided with modulating valve 6.This modulating valve 6 can regulate and enter heat pump condenser 7 flows.
The hot pump in low temp power generation system electricity generating device that the utility model provides comprises: the twin-screw expander, cycle fluid condenser, working medium circulating pump and the cycle fluid vaporizer that by pipeline, are connected in series and are connected into successively sealing and circulating loop; The mechanical output shaft of this twin-screw expander is fixedly connected with the input shaft of generator set; Cycle fluid vaporizer is provided with heat source water import and heat source water outlet; Be arranged on the heat pump between heat source water import and heat source water outlet; Hot pump in low temp power generation system electricity generating device of the present utility model adopts heat pump techniques to be combined with low-temperature electricity-generating technology, can effectively utilize low temperature heat energy, improves generating efficiency, reduces energy consumption, has important energy-saving and emission-reduction and protection of the environment meaning.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all any modifications of doing within spirit of the present utility model and principle, be equal to and replace and improvement etc., within all should being included in protection domain of the present utility model.
Claims (3)
1. a hot pump in low temp power generation system electricity generating device, it is characterized in that, described hot pump in low temp power generation system electricity generating device comprises: the twin-screw expander, cycle fluid condenser, working medium circulating pump and the cycle fluid vaporizer that by pipeline, are connected in series and are connected into successively sealing and circulating loop; The mechanical output shaft of described twin-screw expander is fixedly connected with the input shaft of generator set; Described cycle fluid vaporizer is provided with heat source water import and heat source water outlet; Between described heat source water import and the outlet of described heat source water, be provided with heat pump.
2. hot pump in low temp power generation system electricity generating device according to claim 1, is characterized in that, described heat pump comprises heat pump condenser, heat pump expansion valve, evaporator with heat pump, the heat pump compressor that is connected in series and is connected into successively sealing and circulating loop by pipeline; Described heat pump condenser is connected by pipeline with heat source water outlet, the heat source water import of described cycle fluid vaporizer respectively; Described evaporator with heat pump is connected by pipeline with the heat source water outlet of described cycle fluid vaporizer.
3. hot pump in low temp power generation system electricity generating device according to claim 2, is characterized in that, between the heat source water outlet of described cycle fluid vaporizer and described heat pump condenser, is provided with modulating valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320386296.6U CN203403912U (en) | 2013-06-28 | 2013-06-28 | Power generation device of low temperature heat pump power generation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320386296.6U CN203403912U (en) | 2013-06-28 | 2013-06-28 | Power generation device of low temperature heat pump power generation system |
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| CN203403912U true CN203403912U (en) | 2014-01-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201320386296.6U Expired - Fee Related CN203403912U (en) | 2013-06-28 | 2013-06-28 | Power generation device of low temperature heat pump power generation system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104863651A (en) * | 2015-05-15 | 2015-08-26 | 同济大学 | Low-temperature waste heat-driven heat and electricity parallel supply method and system implementing same |
| WO2021248289A1 (en) * | 2020-06-08 | 2021-12-16 | 孙诚刚 | Transducing method and system |
| CN116181596A (en) * | 2023-04-27 | 2023-05-30 | 山东省科学院能源研究所 | Ocean temperature difference energy power generation system with auxiliary heat of air source heat pump |
-
2013
- 2013-06-28 CN CN201320386296.6U patent/CN203403912U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104863651A (en) * | 2015-05-15 | 2015-08-26 | 同济大学 | Low-temperature waste heat-driven heat and electricity parallel supply method and system implementing same |
| WO2021248289A1 (en) * | 2020-06-08 | 2021-12-16 | 孙诚刚 | Transducing method and system |
| CN116181596A (en) * | 2023-04-27 | 2023-05-30 | 山东省科学院能源研究所 | Ocean temperature difference energy power generation system with auxiliary heat of air source heat pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: SHANDONG HONGLI HOT PUMP ENERGY CO., LTD. Free format text: FORMER NAME: SHANDONG HONGLI AIR CONDITIONING EQUIPMENT CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 261205 Shandong Province, Weifang city high tech Development Zone Hui Yin Road No. 2751 Patentee after: SHANDONG HONGLI PUMP ENERGY CO., LTD. Address before: 261205 Shandong Province, Weifang city high tech Development Zone Hui Yin Road No. 2751 Patentee before: Shandong Hongli Air-Conditioning Equipment Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140122 Termination date: 20180628 |
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| CF01 | Termination of patent right due to non-payment of annual fee |