CN103266926B - A kind of device and method utilizing middle-low temperature heat used heat to realize cool and thermal power multiple-supplying - Google Patents
A kind of device and method utilizing middle-low temperature heat used heat to realize cool and thermal power multiple-supplying Download PDFInfo
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- CN103266926B CN103266926B CN201310190013.5A CN201310190013A CN103266926B CN 103266926 B CN103266926 B CN 103266926B CN 201310190013 A CN201310190013 A CN 201310190013A CN 103266926 B CN103266926 B CN 103266926B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/27—Relating to heating, ventilation or air conditioning [HVAC] technologies
- Y02A30/274—Relating to heating, ventilation or air conditioning [HVAC] technologies using waste energy, e.g. from internal combustion engine
Abstract
The invention discloses a kind of device utilizing middle-low temperature heat used heat to realize cool and thermal power multiple-supplying, it is characterized in that: this device comprises steam generator (1), steam turbine or decompressor (2), generator (3), hot water heat exchanger (4), solution heater (5), condenser (6), liquid container (7), working medium pump (8), solution reheater (9), liquid desiccant air conditioning unit (10); This system comprises three loops, hot-fluid loop, power cycle loop and solution loop; Wherein, in hot-fluid loop, hot-fluid is introduced in steam generator (1), enters afterwards in solution reheater (9) again.The present invention carries out high efficiente callback and cascade utilization to middle-low temperature heat used heat, and comprehensive utilization ratio is high.
Description
Technical field
The invention belongs to energy recovery efficient technique of rainwater utilization scope, is cool and thermal power multiple-supplying method and the device that a kind of middle-low temperature heat used heat etc. carries out reclaiming comprehensive cascade utilization, is specifically related to the system of middle-low temperature heat used heat comprehensive utilization.
Background technique
In current AND ENERGY RESOURCES CONSUMPTION IN CHINA structure, industrial energy consumption accounting reaches about 70%, and this 50-65% wherein is all converted into carrier difference, waste heat used heat etc. that temperature is different.The wherein substantial amounts of middle-low temperature heat, a large amount of low temperature exhaust heats is created in the industry production processes such as iron and steel, cement, truth, glass, pottery sugaring, comprise hot water, low-grade flue gas and steam etc., these amount of heat are large, grade is low, substantially can not be recycled by production process.And in some industry production process, need the process gas of certain quality, need drying apparatus etc. in its producing process.And organic Rankine bottoming cycle technology is the power cycle technology of low-temperature heat source in a kind of can effectively utilization, utilize decompressor or steam turbine to be power by the converting heat drawn from thermal source, drive electrical generators generates electricity.Working medium after overexpansion usually directly enters condenser and carries out condensation, then becomes liquid, and the medium belt that is directly condensed of condenser heat is wherein walked to discharge, and this mode means waste to a certain extent for the energy.And liquid desiccant air conditioning technology will realize continuous operation, need to regenerate solution, and need the thermal source of uniform temperature in regenerative process to drive.In view of the feature that the regeneration of waste liquor temperature range of this kind of air-conditioning technical is wider, the heat of the working medium after expansion is used for the regeneration of solution, realize the running of liquid desiccant air conditioning unit, the output of dehumidifying with refrigeration is provided, may be used for the function such as the refrigeration of plant area and the drying of process gas.This kind of technology can realize high efficiente callback to middle-low temperature heat used heat and cascade utilization, promotes the effect of energy-saving and emission-reduction.
Summary of the invention
Goal of the invention: the device that the object of this invention is to provide a kind of refrigeration of efficiency utilization middle-low temperature heat used heat, generating, dehumidifying, heat supply, can reclaim total low temperature exhaust heat used heat efficiently, and for generating electricity and realizing the output of cold and hot amount, realizes cold-hot electirc linking.
Technological scheme: for solving the problems of the technologies described above, the invention provides a kind of device utilizing middle-low temperature heat used heat to realize cool and thermal power multiple-supplying, this device comprises steam generator, steam turbine or decompressor, generator, hot water heat exchanger, solution heater, condenser, liquid container, working medium pump, solution reheater, liquid desiccant air conditioning unit;
This system comprises three loops, hot-fluid loop, power cycle loop and solution loop;
Wherein, in hot-fluid loop, hot-fluid is introduced in steam generator, enters in solution reheater afterwards again;
In power cycle working medium loop, the working medium side outlet end of steam generator is connected with the entrance point of steam turbine or decompressor, the axle head of steam turbine or decompressor is connected with the axle head of generator, the outlet end of steam turbine or decompressor is connected with the entrance point of solution heater with the entrance point of hot water heat exchanger respectively, hot water heat exchanger is connected with the entrance point of condenser respectively with the sender property outlet end of solution heater, the outlet end of condenser is connected with the entrance point of liquid container, the outlet end of liquid container is connected with the entrance point of working medium pump, the outlet end of working medium pump is connected with the working medium side entrance point of steam generator,
In solution loop, the solution inlet port end of solution heater is connected with the taphole end of liquid desiccant air conditioning unit, the taphole end of solution heater is connected respectively with the entrance point of liquid desiccant air conditioning unit with solution reheater, and the taphole end of solution reheater is connected with the solution inlet port end of liquid desiccant air conditioning unit.
Present invention also offers a kind of method utilizing middle-low temperature heat used heat to realize cool and thermal power multiple-supplying, the method comprises the steps: that the heat in middle-low temperature heat or used heat passes to power cycle working medium in a vapor generator, makes it temperature rising and becomes steam; The working substance steam produced enters steam turbine or decompressor, makes it drive electrical generators generating of externally doing work, exports electric energy; By switch valve, make the exhaust of steam turbine or decompressor enter hot water heat exchanger, realize producing of hot water, export for domestic hot-water or heating; Or make the exhaust of steam turbine or decompressor enter solution heater, then enter in solution reheater solution temperature is raised, enter drive train in liquid desiccant air conditioning unit afterwards and realize the output of cold.
Beneficial effect:
1. this device carries out high efficiente callback and cascade utilization to middle-low temperature heat used heat, and comprehensive utilization ratio is high;
2. binding soln dehumidifier/air-conditioning system, carries out recovery Appropriate application to the high temperature section heat of condensation that should emit, realizes the output of system dehumidification and cold;
3. the waste heat used heat after can effectively utilizing heat of condensation and flowing through steam generator realizes supplying hot water and winter heating.
Accompanying drawing explanation
Fig. 1 is device and the structural representation of the embodiment of the present invention.
Wherein have: steam generator 1, steam turbine or decompressor 2, generator 3, hot water heat exchanger 4, solution heater 5, condenser 6, liquid container 7, working medium pump 8, solution reheater 9, liquid desiccant air conditioning unit 10.
Embodiment
Below in conjunction with accompanying drawing and embodiment, the present invention will be further described.
The recovery that the present invention utilizes steam generator and solution reheater or hot water reheater to realize middle-low temperature heat used heat.In organic Rankine power cycle, acting working medium becomes gas after absorbing heat in a vapor generator, and pushing turbine or decompressor acting, drive electrical generators exports electric energy.Working medium after expansion, first through solution heater or hot water heat exchanger, then flows through condenser and to be condensed liquefy after medium condenses, be pressed and delivered to steam generator, form complete power cycle after flowing to liquid container afterwards through working medium pump.In liquid desiccant air conditioning unit, utilize organic Rankine bottoming cycle working medium heat be with upon inflation to carry out heat dilute solution, and flow through solution reheater dilute solution temperature is promoted further.Entered in liquid desiccant air conditioning unit by the dilute solution heated and realize regeneration and dehumidifying, realize the output of refrigerating capacity and dehumidification function; Also organic Rankine bottoming cycle working medium heat be with upon inflation can be utilized to obtain the hot water of uniform temperature, and carry out heat exchange with waste heat used heat etc. further, be used to provide domestic hot-water and heat supply heating.This system is by effectively reclaiming and cascade utilization middle-low temperature heat used heat etc., high temperature section is used for organic Rankine bottoming cycle generating, working medium after expansion is still with a certain amount of low-temperature heat quantity, recycle this part heat energy at the regeneration of waste liquor for solution dehumidifying air-conditioning system, or direct heat transfer produces certain hot water and is used for realizing domestic hot-water or heat supply heating function.
Cooling medium in described condenser can be air or water, adopts during water and the thermal source of condensed water as low-temperature water heating can be used.
This device adopts low boiling organic working medium absorb the heat of middle-low temperature heat heat sources and become working substance steam driving steam turbine or the generating of decompressor drive electrical generators, exports electric energy.And utilizing the working medium heat after expanding and used heat etc. to realize regeneration to solution heating, and drive solution dehumidifying air-conditioning system to obtain certain cold and dehumidification function simultaneously; Also hot water heat exchanger directly can be utilized to produce hot water, provide heat energy to export for hot water supply and Winter heat supply heating.
A kind of device utilizing middle-low temperature heat used heat to realize cool and thermal power multiple-supplying provided by the invention, this device comprises steam generator 1, steam turbine or decompressor 2, generator 3, hot water heat exchanger 4, solution heater 5, condenser 6, liquid container 7, working medium pump 8, solution reheater 9, liquid desiccant air conditioning unit 10;
This system comprises three loops, hot-fluid loop, power cycle loop and solution loop;
Wherein, in hot-fluid loop, hot-fluid is introduced in steam generator 1, enters in solution reheater 9 afterwards again;
In power cycle working medium loop, the working medium side outlet end of steam generator 1 is connected with the entrance point of steam turbine or decompressor 2, the axle head of steam turbine or decompressor 2 is connected with the axle head of generator 3, the outlet end of steam turbine or decompressor 2 is connected with the entrance point of solution heater 5 with the entrance point of hot water heat exchanger 4 respectively, hot water heat exchanger 4 is connected with the entrance point of condenser 6 respectively with the sender property outlet end of solution heater 5, the outlet end of condenser 6 is connected with the entrance point of liquid container 7, the outlet end of liquid container 7 is connected with the entrance point of working medium pump 8, the outlet end of working medium pump 8 is connected with the working medium side entrance point of steam generator 1,
In solution loop, the solution inlet port end of solution heater 5 is connected with the taphole end of liquid desiccant air conditioning unit 10, the taphole end of solution heater 5 is connected respectively with the entrance point of liquid desiccant air conditioning unit 10 with solution reheater 9, and the taphole end of solution reheater 9 is connected with the solution inlet port end of liquid desiccant air conditioning unit 10.
Present invention also offers a kind of method utilizing middle-low temperature heat used heat to realize cool and thermal power multiple-supplying, the method comprises the steps: that the heat in middle-low temperature heat or used heat passes to power cycle working medium in steam generator 1, makes it temperature rising and becomes steam; The working substance steam produced enters steam turbine or decompressor 2, and the drive electrical generators 3 that makes it externally to do work generates electricity, and exports electric energy; By switch valve, make the exhaust of steam turbine or decompressor 2 enter hot water heat exchanger 4, realize producing of hot water, export for domestic hot-water or heating; Or make the exhaust of steam turbine or decompressor 2 enter solution heater 5, then enter in solution reheater 9 solution temperature is raised, enter drive train in liquid desiccant air conditioning unit 10 afterwards and realize the output of cold.
Embodiment 1: as shown in Figure 1, middle-low temperature heat used heat is utilized to realize method and the device of cool and thermal power multiple-supplying, primarily of steam generator 1, steam turbine or decompressor 2, generator 3, hot water heat exchanger 4, solution heater 5, condenser 6, liquid container 7, working medium pump 8, solution reheater 9, liquid desiccant air conditioning unit 10 forms.The working medium side outlet of described steam generator 1 is connected with described steam turbine or decompressor 2, described steam turbine or decompressor 2 are connected with described generator 3, the sender property outlet of described steam turbine or decompressor 2 is connected with described hot water heat exchanger 4 or solution heater 5, the working medium side outlet of described hot water heat exchanger 4 or solution heater 5 is connected successively with condenser 6, liquid container 7, working medium pump 8, the outlet of last described working medium pump 8 is connected with the import of described steam generator 1, forms an organic Rankine power cycle.Be connected to liquid desiccant air conditioning unit after the solution side outlet of described solution heater 5 is connected with solution reheater 9 and put 10 or be directly connected to liquid desiccant air conditioning unit 10.The water side outlet of described hot water heat exchanger 4 is directly connected with domestic hot-water's device or heat supply heating end equipment, or be connected to corresponding device after again carrying out heat exchange by pipeline to the waste heat waste heat flux flow through after steam generator 1, import is then connected with domestic water supply channel or heating water return pipeline.
In power cycle, working medium in steam generator 1 through heating after, form high temperature and high pressure gas, enter into steam turbine or decompressor 2 carries out expansion work, drive electrical generators 3, then flow through solution heater 5 or hot water heat exchanger 4 successively, then flow through condenser 6 and be cooled into liquid state, be connected to liquid container 7 and working medium pump 8 afterwards, after pressurization, get back to steam generator 1, thus form whole power cycle.When condenser 6 is using water as cooling medium, the thermal source of heat of condensation as low-temperature water heating can be used.Solution dehumidification device part, dilute solution out flows through solution heater 5 through heating from device, can also flow through when the duty ratio that dehumidifies is larger time solution reheater 9 to be undertaken by waste heat used heat etc. further heating raw after, turn back in liquid desiccant air conditioning unit again, realize dehumidifying and the output of freezing.
As mentioned above, although represented with reference to specific preferred embodiment and described the present invention, it shall not be construed as the restriction to the present invention self.Under the spirit and scope of the present invention prerequisite not departing from claims definition, can make a variety of changes in the form and details it.
Claims (2)
1. the device utilizing middle-low temperature heat used heat to realize cool and thermal power multiple-supplying, it is characterized in that: this device comprises steam generator (1), steam turbine or decompressor (2), generator (3), hot water heat exchanger (4), solution heater (5), condenser (6), liquid container (7), working medium pump (8), solution reheater (9), liquid desiccant air conditioning unit (10);
This device comprises three loops, hot-fluid loop, power cycle loop and solution loop;
Wherein, in hot-fluid loop, hot-fluid is introduced in steam generator (1), enters in solution reheater (9) afterwards again;
In power cycle working medium loop, the working medium side outlet end of steam generator (1) is connected with the entrance point of steam turbine or decompressor (2), the axle head of steam turbine or decompressor (2) is connected with the axle head of generator (3), the outlet end of steam turbine or decompressor (2) is connected with the entrance point of solution heater (5) with the entrance point of hot water heat exchanger (4) respectively, hot water heat exchanger (4) is connected with the entrance point of condenser (6) respectively with the sender property outlet end of solution heater (5), the outlet end of condenser (6) is connected with the entrance point of liquid container (7), the outlet end of liquid container (7) is connected with the entrance point of working medium pump (8), the outlet end of working medium pump (8) is connected with the working medium side entrance point of steam generator (1),
In solution loop, the solution inlet port end of solution heater (5) is connected with the taphole end of liquid desiccant air conditioning unit (10), the taphole end of solution heater (5) is connected respectively with the entrance point of liquid desiccant air conditioning unit (10) with solution reheater (9), and the taphole end of solution reheater (9) is connected with the solution inlet port end of liquid desiccant air conditioning unit (10).
2. the cool and thermal power multiple-supplying method utilizing middle-low temperature heat used heat to realize cool and thermal power multiple-supplying device as claimed in claim 1, it is characterized in that, the method comprises the steps: that the heat in middle-low temperature heat or used heat passes to power cycle working medium in steam generator (1), makes it temperature rising and becomes steam; The working substance steam produced enters steam turbine or decompressor (2), makes it drive electrical generators (3) generating of externally doing work, exports electric energy; By switch valve, make the exhaust of steam turbine or decompressor (2) enter hot water heat exchanger (4), realize producing of hot water, export for domestic hot-water or heating; Or make the exhaust of steam turbine or decompressor (2) enter solution heater (5), entering in solution reheater (9) makes solution temperature raise again, and enters drive train in liquid desiccant air conditioning unit (10) afterwards and realizes the output of cold.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310190013.5A CN103266926B (en) | 2013-05-20 | 2013-05-20 | A kind of device and method utilizing middle-low temperature heat used heat to realize cool and thermal power multiple-supplying |
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| CN201310190013.5A CN103266926B (en) | 2013-05-20 | 2013-05-20 | A kind of device and method utilizing middle-low temperature heat used heat to realize cool and thermal power multiple-supplying |
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| CN103266926B true CN103266926B (en) | 2015-09-09 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103362578A (en) * | 2013-08-05 | 2013-10-23 | 江苏万奇电器集团有限公司 | Method for comprehensively utilizing heat of low-heat waste water |
| CN103670970A (en) * | 2013-12-05 | 2014-03-26 | 东南大学 | Combined cooling, heating and power device and method for gradient utilization of solar energy |
| CN105352079B (en) * | 2015-11-24 | 2018-02-06 | 东南大学 | A kind of humiture independent treating air-conditioning system of Lowlevel thermal energy driving |
| CN108036383A (en) * | 2018-01-12 | 2018-05-15 | 思安新能源股份有限公司 | Waste heat heat accumulation recovery system |
| CN108731296B (en) * | 2018-06-14 | 2023-11-10 | 南京林业大学 | Solar power device system coupled with building air conditioning system |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1043975A (en) * | 1989-12-06 | 1990-07-18 | 青岛捷能动力集团公司 | Cold-hot electirc linking device |
| CN101701737A (en) * | 2009-10-28 | 2010-05-05 | 东南大学 | Heat-pump-driven solution dehumidifying air-conditioning device |
| CN102797522A (en) * | 2012-08-28 | 2012-11-28 | 西安交通大学 | Medium-and-low-temperature waste-heat recovery system for realizing combined cold-power/ heat-power generation |
| CN103089349A (en) * | 2013-01-27 | 2013-05-08 | 南京瑞柯徕姆环保科技有限公司 | Combined cooling, heating and power device of distributed type industrial boiler |
| CN203257493U (en) * | 2013-05-20 | 2013-10-30 | 东南大学 | Device for achieving cooling and heating power multi-generation by using low-and-medium temperature waste heat |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080127665A1 (en) * | 2006-11-30 | 2008-06-05 | Husky Injection Molding Systems Ltd. | Compressor |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1043975A (en) * | 1989-12-06 | 1990-07-18 | 青岛捷能动力集团公司 | Cold-hot electirc linking device |
| CN101701737A (en) * | 2009-10-28 | 2010-05-05 | 东南大学 | Heat-pump-driven solution dehumidifying air-conditioning device |
| CN102797522A (en) * | 2012-08-28 | 2012-11-28 | 西安交通大学 | Medium-and-low-temperature waste-heat recovery system for realizing combined cold-power/ heat-power generation |
| CN103089349A (en) * | 2013-01-27 | 2013-05-08 | 南京瑞柯徕姆环保科技有限公司 | Combined cooling, heating and power device of distributed type industrial boiler |
| CN203257493U (en) * | 2013-05-20 | 2013-10-30 | 东南大学 | Device for achieving cooling and heating power multi-generation by using low-and-medium temperature waste heat |
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