CN202220628U - Combined cycle power generation system for increasing use efficiency of heat source - Google Patents
Combined cycle power generation system for increasing use efficiency of heat source Download PDFInfo
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- CN202220628U CN202220628U CN2011203413898U CN201120341389U CN202220628U CN 202220628 U CN202220628 U CN 202220628U CN 2011203413898 U CN2011203413898 U CN 2011203413898U CN 201120341389 U CN201120341389 U CN 201120341389U CN 202220628 U CN202220628 U CN 202220628U
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- ammoniacal liquor
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Abstract
The utility model provides a combined cycle power generation system for increasing use efficiency of a heat source. The combined cycle power generation system comprises a steam boiler and an ammonia water evaporator, wherein the steam boiler is sequentially connected with a steam turbine, a condenser and a water feeding pump in series, the feed pump is connected with the steam boiler to form a Rankine power cycle; and the ammonia water evaporator is sequentially connected with an ammonia water steam-liquid separator, an ammonia water absorber/condenser, an ammonia water storage tank and an ammonia feeding pump in series to form a Carina power cycle. The combined cycle power generation system is characterized in that the hot side outlet of the steam boiler is connected to the hot side inlet of the ammonia water evaporator, or the cold side outlet of the condenser is connected to the hot side inlet of the ammonia water evaporator. The combined cycle power generation system has the advantages of simple equipment, compact arrangement and low cost and can be produced in complete sets; the Carina power cycle device has mature technology and low cost; the Carina power cycle is in the low-temperature section, and the cycle efficiency is high; the Rankine-Carina combined cycle power generation system is stable, safe and reliable, can realize unmanned operation, has long maintenance period, low maintenance cost, low power generation cost and wide range of application and is particularly suitable for deeply using waste heat of conventional thermal power plants.
Description
Technical field
The utility model relates to a kind of Rankine-Ka Linne association circulating power generation system, to improve the system of steam power plant thermal source utilization efficiency.
Background technique
The power engine that uses the earliest in the industry is the steam power plant with water vapour workmanship matter.In steam power plant during water and be in liquid state, the time and be in gaseous state, produce steam like liquid water vaporizes in steam boiler; After the turbine expansion acting; The entering condenser condenses into water again and returns boiler again, and when gasifying and condensing, can keep constant temperature, because products of combustion is not participated in circulation; Thereby steam power plant various fuel capable of using, like coal, residual oil even combustible refuse.
Rankine cycle is a kind of simple steam power plant circulation; Its flow process is roughly: fuel burns in steam boiler, emits heat, and water is the level pressure heat absorption in steam boiler; Be vaporized into saturated vapour, saturated vapour level pressure in steam superheater is absorbed heat into superheated vapor.The adiabatic expansion acting in steam turbine of the initial steam of HTHP, the work of discharging from steam turbine exhaust steam isobaric condensation in condenser of merit, to the cooling water heat release, this is that constant pressure process also is a constant temperature process simultaneously.Water of condensation is adiabatic compression in feed water pump, and the water after pressure raises gets into boiler once more and accomplishes circulation.
Can find through said process; Water is isothermal evaporation, isothermal condensation in condenser in boiler; Water obtains in the process of heat from thermal source and low-temperature receiver, receives the decalescence of water, the restriction of exothermal character, can't from thermal source/low-temperature receiver, absorb or discharge more/less heat; Promptly the circulation caloric receptivity can't extract more heats in order to generating owing to the decalescence of water, the restriction of exothermal character.
Summary of the invention
The purpose of the utility model provides a kind of power generation system that makes full use of heat in the steam power plant circulation.The further purpose of the utility model is to realize the reorganization and the utilization of the different energy level used heat energy in the process system.
In order to achieve the above object; The technological scheme of the utility model has provided a kind of association circulating power generation system that improves the thermal source utilization efficiency; Comprise steam boiler; Steam boiler connect successively steam turbine, condenser and feed water pump form the Rankine power cycle thereby feed water pump takes back steam boiler, also comprise the ammoniacal liquor vaporizer; Ammoniacal liquor vaporizer once connect ammoniacal liquor vapor-liquid separator, ammoniacal liquor absorption/condenser, tank used for storing ammonia and to ammonia pump; Thereby take back the ammoniacal liquor vaporizer to ammonia pump and form card Linne power cycle, it is characterized in that: the hot side outlet of said steam boiler is connected to the hot side entrance of ammoniacal liquor vaporizer, or the outlet of the cold side of said condenser is connected to the hot side entrance of ammoniacal liquor vaporizer.
The cold side entrance point of said ammoniacal liquor vaporizer is connected to the said ammonia pump of giving, and the cold side outlet end of ammoniacal liquor vaporizer is connected to said ammoniacal liquor vapor-liquid separator.
A kind of power generation system that the utility model provides adopts the general steam electric power technology of Rankine cycle technology relatively; It can utilize low-temperature heat source; Card Linne power cycle efficient in the low-temperature heat source section exceeds 20～50% than conventional Rankine cycle; This is very considerable in the energy utilization, also is that other routine techniques can't the degree of depth obtain.High temperature section adopts conventional Rankine cycle; Low-temperature zone adopts card Linne power cycle; The combination utilization of two kinds of endless form, its technology maturation, economically feasible; And its conversion efficiency of thermoelectric can reach more than 1% than existing conventional thermoelectricity raising in a short time, and this is that other steam power generation technologies institutes are unsurpassable.
The utility model has the advantages that: equipment is simple, arranges compactness, but complete production, cost is lower, and every kilowatt of initial cost is about 1.6 ten thousand yuan; Card Linne power circulating device, technology maturation, cost is lower; Card Linne power cycle is in low temperature (≤150 ℃) section, and cycle efficiency is high, and is higher by 20～50% than conventional Rankine cycle; Rankine-Ka Linne association circulating power generation system is stable, and is safe and reliable, can realize unattendedly, and maintenance period is long, and maintenance cost is low, and cost of electricity-generating is low; Applied widely, be specially adapted to the utilization of the conventional thermal power plant waste heat degree of depth.
Description of drawings
A kind of schematic representation that improves the association circulating power generation system of thermal source utilization efficiency that Fig. 1 provides for embodiment;
The another kind that Fig. 2 provides for embodiment improves the schematic representation of the association circulating power generation system of thermal source utilization efficiency.
Embodiment
For making the utility model more obviously understandable, now with preferred embodiment, and conjunction with figs. elaborates as follows.
Embodiment 1
In the time need carrying out degree of depth comprehensive utilization simultaneously to the thermal source of the heat of cooling water and steam boiler; Can adopt system as shown in Figure 1; Comprise steam boiler 1, steam boiler 1 connect successively steam turbine 2, condenser 3 and feed water pump 4 form circulation thereby feed water pump 4 takes back steam boiler 1; The cooling water intake end of condenser 3 connects to ammonia pump 5; Its coolant outlet end connects ammoniacal liquor vapor-liquid separator 6 (being ammonia steam Turbo-generator Set), thereby ammoniacal liquor vapor-liquid separator 6 is connected to ammonia pump 5 formation circulations through ammoniacal liquor absorption/condenser 7, the hotter side outlet of steam boiler 1 is connected to the hot side of ammoniacal liquor vaporizer 12; The cold side entrance point of ammoniacal liquor vaporizer 12 is connected to ammonia pump 5, and the cold side outlet end of ammoniacal liquor vaporizer 12 is connected to ammoniacal liquor vapor-liquid separator 6.
The work of discharging from steam turbine 2 like this heat of exhaust steam of merit can in condenser 3, ammoniacal liquor be vaporizated into ammonia steam; Utilize ammonia steam to make ammoniacal liquor vapor-liquid separator 6 do work; Simultaneously; Can also utilize the heat that can't extract in the entrained Rankine cycle of the thermal source of steam boiler 1 in ammoniacal liquor absorption/condenser 7, ammoniacal liquor to be vaporizated into ammonia steam, offer ammoniacal liquor vapor-liquid separator 6 equally.
Can also adopt system as shown in Figure 2; This system comprises steam boiler 1; Steam boiler 1 connect successively steam turbine 2, condenser 3 and feed water pump 4 form circulation thereby feed water pump 4 takes back steam boiler 1, and the cooling water intake end of condenser 3 connects to ammonia pump 5; Its coolant outlet end connects ammoniacal liquor vapor-liquid separator 6; Thereby ammoniacal liquor vapor-liquid separator 6 is connected to ammonia pump 5 through ammoniacal liquor absorption/condenser 7 and forms circulation, the hotter side outlet of steam boiler 1 is connected to the hot side of the first ammoniacal liquor vaporizer 8, and the cold side entrance point of the first ammoniacal liquor vaporizer 8 is connected to first and gives ammonia pump 9; The cold side outlet end of the first ammoniacal liquor vaporizer 8 is connected to the first ammoniacal liquor vapor-liquid separator 10 (being ammonia steam Turbo-generator Set), forms circulation for ammonia pump 9 thereby the first ammoniacal liquor vapor-liquid separator 10 is connected to first through the first ammoniacal liquor absorption/condenser 11.
From working procedure, present embodiment and embodiment's 1 difference is, by steam boiler 1 discharge the thermal source vaporization ammonia steam and the work of discharging by steam turbine 2 the ammonia steam of exhaust steam vaporization of merit offer different ammonia steam Turbo-generator Set respectively.
Claims (2)
1. association circulating power generation system that improves the thermal source utilization efficiency; Comprise steam boiler (1); Steam boiler (1) connect successively steam turbine (2), condenser (3) and feed water pump (4); Feed water pump (4) takes back steam boiler (1) thereby forms the Rankine power cycle; Also comprise the ammoniacal liquor vaporizer, ammoniacal liquor vaporizer once connect ammoniacal liquor vapor-liquid separator, ammoniacal liquor absorption/condenser, tank used for storing ammonia and to ammonia pump (5) are given ammonia pump (5) thereby taking back the ammoniacal liquor vaporizer forms and block the Linne power cycle; It is characterized in that: the hot side outlet of said steam boiler (1) is connected to the hot side entrance of ammoniacal liquor vaporizer, or the outlet of the cold side of said condenser (3) is connected to the hot side entrance of ammoniacal liquor vaporizer.
2. a kind of association circulating power generation system that improves the thermal source utilization efficiency as claimed in claim 1; It is characterized in that: the cold side entrance point of said ammoniacal liquor vaporizer device is connected to the said ammonia pump (5) of giving, and the cold side outlet end of said ammoniacal liquor vaporizer is connected to said ammoniacal liquor vapor-liquid separator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203413898U CN202220628U (en) | 2011-09-13 | 2011-09-13 | Combined cycle power generation system for increasing use efficiency of heat source |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203413898U CN202220628U (en) | 2011-09-13 | 2011-09-13 | Combined cycle power generation system for increasing use efficiency of heat source |
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| CN202220628U true CN202220628U (en) | 2012-05-16 |
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| CN2011203413898U Expired - Fee Related CN202220628U (en) | 2011-09-13 | 2011-09-13 | Combined cycle power generation system for increasing use efficiency of heat source |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102337934A (en) * | 2011-09-13 | 2012-02-01 | 上海盛合新能源科技有限公司 | Combined cycle generating system for improving heat source usage efficiency |
| CN103925022A (en) * | 2014-03-21 | 2014-07-16 | 成信绿集成股份有限公司 | Two-stage power generation system and method using low and medium pressure steam |
| CN103953910A (en) * | 2014-05-16 | 2014-07-30 | 中冶南方工程技术有限公司 | Ammonia water waste heat boiler and technology recycling coke oven flue gas |
| CN103968357A (en) * | 2014-05-16 | 2014-08-06 | 中冶南方工程技术有限公司 | Ammonium hydroxide waste heat boiler and process for recycling sintering flue gas |
| CN105484812A (en) * | 2016-01-11 | 2016-04-13 | 苟仲武 | Method and device for generating power by using ultra-low-temperature liquid gas |
| CN108757070A (en) * | 2018-05-15 | 2018-11-06 | 西安交通大学 | A kind of ammonia water mixture power cycle generating system and control method for coordinating |
-
2011
- 2011-09-13 CN CN2011203413898U patent/CN202220628U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102337934A (en) * | 2011-09-13 | 2012-02-01 | 上海盛合新能源科技有限公司 | Combined cycle generating system for improving heat source usage efficiency |
| CN103925022A (en) * | 2014-03-21 | 2014-07-16 | 成信绿集成股份有限公司 | Two-stage power generation system and method using low and medium pressure steam |
| CN103953910A (en) * | 2014-05-16 | 2014-07-30 | 中冶南方工程技术有限公司 | Ammonia water waste heat boiler and technology recycling coke oven flue gas |
| CN103968357A (en) * | 2014-05-16 | 2014-08-06 | 中冶南方工程技术有限公司 | Ammonium hydroxide waste heat boiler and process for recycling sintering flue gas |
| CN103953910B (en) * | 2014-05-16 | 2016-03-02 | 中冶南方工程技术有限公司 | A kind of ammoniacal liquor waste heat boiler and technique reclaiming flue gases of cock oven |
| CN105484812A (en) * | 2016-01-11 | 2016-04-13 | 苟仲武 | Method and device for generating power by using ultra-low-temperature liquid gas |
| CN108757070A (en) * | 2018-05-15 | 2018-11-06 | 西安交通大学 | A kind of ammonia water mixture power cycle generating system and control method for coordinating |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Combined cycle generating system for improving heat source usage efficiency Effective date of registration: 20141219 Granted publication date: 20120516 Pledgee: Shanghai Zhong Sheng finance guarantee Limited by Share Ltd Pledgor: Shanghai Shenghe New Energy Resources Science & Technology Co., Ltd. Registration number: 2014310000088 |
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| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120516 Termination date: 20150913 |
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| EXPY | Termination of patent right or utility model |