CN103775141A - Improved steam condensing type steam turbine electricity generation system with pump assisting in cooling and electricity generation method of electricity generation system - Google Patents
Improved steam condensing type steam turbine electricity generation system with pump assisting in cooling and electricity generation method of electricity generation system Download PDFInfo
- Publication number
- CN103775141A CN103775141A CN201210549959.1A CN201210549959A CN103775141A CN 103775141 A CN103775141 A CN 103775141A CN 201210549959 A CN201210549959 A CN 201210549959A CN 103775141 A CN103775141 A CN 103775141A
- Authority
- CN
- China
- Prior art keywords
- steam
- cooling
- heat
- steam turbine
- electricity generation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Abstract
The invention discloses an improved steam condensing type steam turbine electricity generation system with a pump assisting in cooling and an electricity generation method of the electricity generation system. The improved steam condensing type steam turbine electricity generation system with the pump assisting in cooling comprises a boiler, a steam turbine, a steam condenser, a heat pump compressor, an evaporator, a condensator and a cooling tower, wherein the evaporator and the cooling tower are respectively provided with a cold water pipeline and a hot water pipeline so as to form a circulating loop. According to the improved steam condensing type steam turbine electricity generation system with the pump assisting in cooling and the electricity generation method of the electricity generation system, waste steam and hot steam discharged by the steam turbine are simultaneously cooled and condensed by means of the heat pump technology and the cooling tower, cooling and condensing efficiency is improved, the heat pump is used for transferring heat in the hot steam discharged by the steam turbine, and the heat is used for converting steam turned into liquid into high-temperature liquid or low-pressure steam which is supplied into the boiler; thus, the heat is fully used, heat emission is reduced, the cooling effect is improved, the condensing effect of the steam condenser can be enhanced, the output power of the steam turbine is improved, and electricity generation cost is reduced by increasing the thermoelectric conversion rate and recycling the heat.
Description
Technical field
The present invention relates to a kind of steamer power generation system, particularly relate to the auxiliary cooling steamer power generation system of the solidifying gas formula heat pump of modified model.
The invention still further relates to the method that uses the auxiliary cooling steamer power generation system generating of the solidifying gas formula heat pump of above-mentioned modified model.
Background technique
Power generation system is a kind of machine that mechanical energy is changed into electric energy, conventionally by steam turbine, water turbine or internal combustion engine drive.By the power generation system of Steam Turbine Driven, the superheated vapor being produced by boiler enters in steam turbine and expands and do work, make blade rotation and drive power generation system generating, the waste vapour after acting through vapour condenser, circulating water pump, condensate pump, send boiler back to water heater etc. and recycle.
The high temperature hot steam of discharging for steamer power generation system in prior art generally adopts water-cooled or air cooling.Cooling procedure is the process of changing between the used heat of system discharge and the energy of environment.The heat-transfer coefficient of water-cooled is 1762W(m
2k), to do the heat-transfer coefficient of cooling medium be 62W(m to air
2k).Heat-transfer coefficient has characterized the intensity of diabatic process, and the larger diabatic process of numerical value is stronger.Because air cooling system heat-transfer coefficient is little, economic efficacy is poor, therefore mainly adopts at present water cooling system.
Water cooling system need to consume a large amount of Water Energy as cooling water, and the heat in water-cooled or the air-cooled high-temperature steam that all steam turbine can be discharged be taken away, the thermal efficiency of thermal power generation on average only has 35%-40% according to statistics, and a large amount of used heat is taken away and produced to the energy major part system of being cooled, reduce the utilization ratio of heat.Although can utilize by collection for the used heat of discharging, but power station is often distant apart from urban district, need to be by waste heat to very high temperature of discharge, and then from be transported to urban district heat exchange station from power station, because transport temperature is a lot of higher than ambient temperature, therefore serious heat loss in transportation process, and thermal expansion is cooling has relatively high expectations to pipeline and relevant device, thereby causes the used heat that cannot effectively utilize discharge.
In addition because the design for cooling tower in prior art does not take into full account ambient temperature effect, often cause during the broiling summer, cooling effect declines, in vapour condenser, overpressure causes generating efficiency to decline, build new cooling system if redesigned, spend higher, thereby and the long economic loss that causes of engineering time, if do not transformed, thus waste mass energy under generating efficiency.
Summary of the invention
The present invention completes in order to solve above deficiency of the prior art, the present invention lowers the temperature to the hot steam of discharge by heat pump techniques auxiliary cooling tower, and by heat pump by the transfer of heat in the hot steam of discharging in steam turbine, use this heat by the concurrent heating of condensation after heat steam condensate, and again add in boiler, thereby make full use of heat in the steam of steam turbine discharge, reduce hot driving, improved cooling effect and thermoelectric conversion rate, the cost of electricity-generating that reduced.And because power generation system structure of the present invention is simple, therefore can form by existing cooling system being carried out to simple transformation, and greatly improve the cooling effectiveness of existing cooling system.Thereby degradation series of problems under the generating efficiency that efficiently solve power plant in the situation that cost is lower in, cooling tower is aging, designed capacity is not enough to be caused.
By suitable increasing heat pump compressor group power, reduce the effect of cooling tower heat radiation, can realize full heat recovery recycling, until realize heat energy zero-emission.
The auxiliary cooling steamer power generation system of modified model condensed steam type heat pump of the present invention is characterized in that: the auxiliary cooling steamer power generation system of described modified model condensed steam type heat pump comprises boiler, steam turbine, vapour condenser, heat pump compressor, vaporizer, condenser, cooling tower, wherein said boiler, steam turbine, vapour condenser, condenser is connected successively by pipeline, described vaporizer and cooling tower all have the circulation loop of cold water pipes and hot water pipeline formation, after converging, the cold water pipes of described vaporizer and cooling tower enters vapour condenser, and be divided into two hot water pipelines and return to respectively cooling tower and vaporizer from vapour condenser is discharged.
Described heat pump compressor is arranged between condenser and vaporizer, connects by pipeline, forms compression heat pump system.
The present invention also comprises the electricity-generating method that uses the auxiliary cooling steamer power generation system of the solidifying gas formula heat pump of above-mentioned modified model, it is characterized in that: comprise the following steps:
Step 1, heating boiler, makes water in the boiler generation steam that is heated, and steam enters steam turbine by pipeline, and steam turbine outputting power makes generator produce electric power;
Step 2, the hot steam of discharging in steam turbine enters in vapour condenser by pipeline, recirculated cooling water enters vapour condenser after the cold water pipes of vaporizer and the cold water pipes of cooling tower converge, and by the heat absorption of the hot steam of discharge and take away, a cooling water part after the intensification of discharging enters cooling tower by hot water pipeline and carries out cooling, a part enters vaporizer by hot water pipeline, heat in cooling water after heating up in heat pump absorption hot water pipeline in vaporizer also passes to the backwater that condenses that carries out heat exchange through condenser in condenser, then the cooling water temperature in vaporizer continues to enter vapour condenser by cold water pipes after reducing, also enter vapour condenser by cold water pipes from the cooling water of the cooled cooling of cooling tower simultaneously, continue to absorb hot exhaust steam, the heat of steam,
Step 3, enters boiler after the heat being transmitted heating through the backwater that condenses in condenser by heat pump again, by again becoming hot steam after heating, enters steam turbine by pipeline, the generating of steam turbine outputting power.
The present invention passes through with heat pump techniques heat generation transportation, the auxiliary hot steam to discharge is lowered the temperature, and by heat pump by the transfer of heat in the hot steam of discharging in steam turbine, use this heat by the concurrent heating of condensation after heat steam condensate, and again add in boiler, thereby make full use of heat in the steam of steam turbine discharge, reduce hot driving, cooling effect improves also can strengthen the solidifying gas effect of vapour condenser, improve steam turbine output power, reduced cost of electricity-generating by improving thermoelectricity conversion ratio and two aspects of heat energy recycle.
Accompanying drawing explanation
The auxiliary cooling steamer power generation system of the solidifying gas formula heat pump of Fig. 1 hot modified model of the present invention
Figure number explanation
1 ... boiler 2 ... steam turbine 3 ... vapour condenser
4 ... cooling tower 5 ... cold water pipes 6 ... hot water pipeline
7 ... hot water pipeline 8 ... cold water pipes 9 ... heat pump compressor
10 ... condenser 11 ... vaporizer
Embodiment
Heat pump compressor described in the present invention is arranged between condenser and vaporizer, is connected with condenser by pipeline with vaporizer, forms typical compression heat pump system, belongs to conventional heat pump in related domain, is no longer described in detail in this article.
Be described in further detail below in conjunction with the auxiliary cooling steamer power generation system of the solidifying gas formula heat pump of Fig. 1 improvement of the present invention type of accompanying drawing and the method for utilizing this power generation system to generate electricity.
The auxiliary cooling steamer power generation system of the solidifying gas formula heat pump of hot modified model of the present invention, please refer to Fig. 1, the auxiliary cooling steamer power generation system of modified model condensed steam type heat pump of the present invention is characterized in that: the auxiliary cooling steamer power generation system of described modified model condensed steam type heat pump comprises boiler 1, steam turbine 2, vapour condenser 3, heat pump compressor 9, vaporizer 11, condenser 10, cooling tower 4, wherein said boiler 1, steam turbine 2, vapour condenser 3, condenser 10 is connected successively by pipeline, described vaporizer 11 and cooling tower 4 all have the circulation loop of cold water pipes and hot water pipeline formation, after converging, the cold water pipes of described vaporizer 11 and cooling tower 4 enters vapour condenser 3, and from vapour condenser 3 is discharged, be divided into two hot water pipelines and return to respectively cooling tower 4 and vaporizer 11.
In further preferred embodiment, described heat pump compressor 9 is arranged between condenser 10 and vaporizer 11, connects (not shown in FIG.) by pipeline, forms compression heat pump system.
The invention also discloses the method for utilizing the auxiliary cooling steamer power generation system of the solidifying gas formula heat pump of above-mentioned modified model to generate electricity, with reference to figure 1, it comprises the following steps:
Step 1, heating boiler 1, makes water in the boiler 1 generation steam that is heated, and steam enters steam turbine 2 by pipeline, and steam turbine 2 outputting powers make generator produce electric power;
Step 2, the hot steam of discharging in steam turbine 2 enters in vapour condenser 3 by pipeline, recirculated cooling water enters vapour condenser 3 after the cold water pipes 8 of vaporizer 11 and the cold water pipes 5 of cooling tower converge, and by the heat absorption of the hot steam of discharge and take away, a cooling water part after the intensification of discharging enters cooling tower by hot water pipeline 6 and carries out cooling, a part enters vaporizer by hot water pipeline 7, heat in cooling water after heating up in heat pump absorption hot water pipeline 7 in vaporizer also passes to the backwater that condenses that carries out heat exchange through condenser 10 in condenser 10, then the cooling water temperature in vaporizer 11 continues to enter vapour condenser 3 by cold water pipes 8 after reducing, also enter vapour condenser 3 by cold water pipes 5 from the cooling water of cooling tower 4 cooled coolings simultaneously, continue to absorb hot exhaust steam, the heat of steam,
Step 3, enters boiler 1 after the heat being transmitted heating through the backwater that condenses in condenser 10 by heat pump again, by again becoming hot steam after heating, enters steam turbine 2 by pipeline, steam turbine 2 outputting power generatings.
From above-mentioned mode of execution, the present invention passes through with heat pump techniques heat generation transportation, the auxiliary hot steam to discharge is lowered the temperature, and by heat pump by the transfer of heat in the hot steam of discharging in steam turbine, the water of condensation recycling that uses this heat that vapour condenser is discharged is heated into high-temperature-hot-water or steam, and adds in boiler.Because the present invention assists coolingly by heat pump, therefore can fill better cooling effect is provided, effectively reduce the pressure in vapour condenser, improve the generating efficiency of steam turbine generator.And make full use of heat, reduce hot driving two kinds of method synthesis and reduced cost of electricity-generating.
Above-mentionedly only several specific embodiments in the present invention are illustrated; but can not serve as protection scope of the present invention; every equivalence variation of having done according to the design spirit in the present invention or modification or equal proportion zoom in or out etc., all should think and fall into protection scope of the present invention.
Claims (3)
1. the auxiliary cooling steamer power generation system of the solidifying gas formula heat pump of modified model, it is characterized in that: the auxiliary cooling steamer power generation system of described modified model condensed steam type heat pump comprises boiler, steam turbine, vapour condenser, heat pump compressor, vaporizer, condenser, cooling tower, wherein said boiler, steam turbine, vapour condenser, condenser is connected successively by pipeline, described vaporizer and cooling tower all have the circulation loop of cold water pipes and hot water pipeline formation, after converging, the cold water pipes of described vaporizer and cooling tower enters vapour condenser, and be divided into two hot water pipelines and return to respectively cooling tower and vaporizer from vapour condenser is discharged.
2. the auxiliary cooling steamer power generation system of the solidifying gas formula heat pump of modified model according to claim 1 is characterized in that: described heat pump compressor is arranged between condenser and vaporizer, connects by pipeline, forms compression heat pump system.
3. the electricity-generating method of the auxiliary cooling steamer power generation system of the solidifying gas formula heat pump of the modified model described in claim 1 or 2, is characterized in that: comprise the following steps:
Step 1, heating boiler, makes water in the boiler generation steam that is heated, and steam enters steam turbine by pipeline, and steam turbine outputting power makes generator produce electric power;
Step 2, the hot steam of discharging in steam turbine enters in vapour condenser by pipeline, recirculated cooling water enters vapour condenser after the cold water pipes of vaporizer and the cold water pipes of cooling tower converge, and by the heat absorption of the hot steam of discharge and take away, a cooling water part after the intensification of discharging enters cooling tower by hot water pipeline and carries out cooling, a part enters vaporizer by hot water pipeline, heat in cooling water after heating up in heat pump absorption hot water pipeline in vaporizer also passes to the backwater that condenses that carries out heat exchange through condenser in condenser, then the cooling water temperature in vaporizer continues to enter vapour condenser by cold water pipes after reducing, also enter vapour condenser by cold water pipes from the cooling water of the cooled cooling of cooling tower simultaneously, continue to absorb hot exhaust steam, the heat of steam,
Step 3, enters boiler after the heat being transmitted heating through the backwater that condenses in condenser by heat pump again, by again becoming hot steam after heating, enters steam turbine by pipeline, the generating of steam turbine outputting power.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210549959.1A CN103775141A (en) | 2012-12-18 | 2012-12-18 | Improved steam condensing type steam turbine electricity generation system with pump assisting in cooling and electricity generation method of electricity generation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210549959.1A CN103775141A (en) | 2012-12-18 | 2012-12-18 | Improved steam condensing type steam turbine electricity generation system with pump assisting in cooling and electricity generation method of electricity generation system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103775141A true CN103775141A (en) | 2014-05-07 |
Family
ID=50567829
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210549959.1A Pending CN103775141A (en) | 2012-12-18 | 2012-12-18 | Improved steam condensing type steam turbine electricity generation system with pump assisting in cooling and electricity generation method of electricity generation system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103775141A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106979044A (en) * | 2017-04-21 | 2017-07-25 | 重庆大学 | Pump type heat turbine condenser condensing heating system |
| CN109281808A (en) * | 2018-11-30 | 2019-01-29 | 南京工业职业技术学院 | A kind of energy-saving cooling system of wind-driven generator |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2615346Y (en) * | 2002-11-28 | 2004-05-12 | 江苏双良空调设备股份有限公司 | Heating, electric and cooling triple combined supply system with steam type bromine cooling machine and thermal pump as cold and heat sources |
| CN201059819Y (en) * | 2007-07-12 | 2008-05-14 | 北京开源铭典技术有限公司 | Steam turbine driven open-type heat pump device |
| CN101793171A (en) * | 2009-12-21 | 2010-08-04 | 江苏双良空调设备股份有限公司 | Combined heat and power system for directly recovering exhaust afterheat of power station steam turbine by absorption heat pump |
| CN101967999A (en) * | 2010-09-25 | 2011-02-09 | 北京联合优发能源技术有限公司 | Combined heat and power generation energy saving device using afterheat to supply heat and energy saving method |
| CN202092374U (en) * | 2011-06-02 | 2011-12-28 | 杨贻方 | Heat pump special for power station |
| CN203067045U (en) * | 2012-12-18 | 2013-07-17 | 苟仲武 | Improved condensed-steam type turbine generation system with heat pump assisting in cooling |
-
2012
- 2012-12-18 CN CN201210549959.1A patent/CN103775141A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2615346Y (en) * | 2002-11-28 | 2004-05-12 | 江苏双良空调设备股份有限公司 | Heating, electric and cooling triple combined supply system with steam type bromine cooling machine and thermal pump as cold and heat sources |
| CN201059819Y (en) * | 2007-07-12 | 2008-05-14 | 北京开源铭典技术有限公司 | Steam turbine driven open-type heat pump device |
| CN101793171A (en) * | 2009-12-21 | 2010-08-04 | 江苏双良空调设备股份有限公司 | Combined heat and power system for directly recovering exhaust afterheat of power station steam turbine by absorption heat pump |
| CN101967999A (en) * | 2010-09-25 | 2011-02-09 | 北京联合优发能源技术有限公司 | Combined heat and power generation energy saving device using afterheat to supply heat and energy saving method |
| CN202092374U (en) * | 2011-06-02 | 2011-12-28 | 杨贻方 | Heat pump special for power station |
| CN203067045U (en) * | 2012-12-18 | 2013-07-17 | 苟仲武 | Improved condensed-steam type turbine generation system with heat pump assisting in cooling |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106979044A (en) * | 2017-04-21 | 2017-07-25 | 重庆大学 | Pump type heat turbine condenser condensing heating system |
| CN109281808A (en) * | 2018-11-30 | 2019-01-29 | 南京工业职业技术学院 | A kind of energy-saving cooling system of wind-driven generator |
| CN109281808B (en) * | 2018-11-30 | 2023-09-05 | 南京工业职业技术学院 | Energy-saving cooling system of wind driven generator |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101586513B (en) | Method and device for recycling waste heat in discharged smoke of marsh gas power generation | |
| CN202851099U (en) | Improved absorption-heat-pump-type steam-extraction-type steamer power generation system | |
| CN203757825U (en) | Heat supply unit with compression heat pump and water heating device combined | |
| CN101832158A (en) | Steam-organic Rankine cascade power cycle generating system and method | |
| CN107905897B (en) | Gas turbine circulating flue gas waste heat recovery and inlet air cooling combined system and method | |
| CN206487517U (en) | A kind of heating system of waste heat recovery | |
| CN104763553A (en) | Stirling heat regenerator-organic Rankine cycle system and use method thereof | |
| CN202176380U (en) | Comprehensive utilization device of waste steam latent heat of turbine | |
| CN203717051U (en) | Combined cycling low-temperature exhaust heat recycling device | |
| CN203067045U (en) | Improved condensed-steam type turbine generation system with heat pump assisting in cooling | |
| CN108036384A (en) | A kind of energy source station system and operation method based on thermoelectricity unit steam extraction | |
| CN102094772A (en) | Solar energy-driven cogeneration device | |
| CN206539381U (en) | A kind of supercritical carbon dioxide cycle generating system based on combustion gas and solar heat | |
| CN110552750B (en) | Non-azeotropic organic Rankine-dual-injection combined cooling, heating and power system | |
| CN110078904B (en) | Polyester esterification steam waste heat utilization method and device | |
| CN103775140A (en) | Improved electricity generation system with pump assisting in condensing and cooling and electricity generation method of electricity generation system | |
| CN202914146U (en) | Improved vacuum exhaust heat pump type steam turbine generating system | |
| CN102809144B (en) | Device and method for using two-stage jet absorption heat pump to improve thermal cycle efficiency | |
| CN102620478A (en) | Method and device for improving thermal circulation efficiency | |
| CN203067039U (en) | Improved type generation system with heat pump assisting in cooling condensed steam | |
| CN103775141A (en) | Improved steam condensing type steam turbine electricity generation system with pump assisting in cooling and electricity generation method of electricity generation system | |
| KR101603253B1 (en) | Condenser Waste-heat Recovery System | |
| CN207776921U (en) | A kind of CHP Heating System based on absorption heat pump cycle | |
| CN207715201U (en) | A kind of double ORC afterheat utilizing systems of Vehicular internal combustion engine | |
| CN109488401A (en) | Heat-pump-type afterheat utilizing system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20140507 |