CN103306763A - Cooling power combined supplying system with ammonium hydroxide medium - Google Patents
Cooling power combined supplying system with ammonium hydroxide medium Download PDFInfo
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- CN103306763A CN103306763A CN2013102079032A CN201310207903A CN103306763A CN 103306763 A CN103306763 A CN 103306763A CN 2013102079032 A CN2013102079032 A CN 2013102079032A CN 201310207903 A CN201310207903 A CN 201310207903A CN 103306763 A CN103306763 A CN 103306763A
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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
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P80/00—Climate change mitigation technologies for sector-wide applications
- Y02P80/10—Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier
- Y02P80/15—On-site combined power, heat or cool generation or distribution, e.g. combined heat and power [CHP] supply
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Abstract
The invention relates to a cooling power combined supplying system with ammonium hydroxide medium, which is characterized by comprising Kalina circulating power generating equipment and cooling equipment, wherein the Kalina circulating power generating equipment comprises an evaporator, a heat regenerator, a condenser, a separator, an ammonia supplying pump and a turbonator; and the cooling equipment comprises a cooling machine, a throttle valve and an ammonia steam ejector. Relative to the conventional power generating technology and cooling technology, the system, provided by the invention, adopts a Kalina circulating technology and utilizes middle-low temperature heat sources; the circulating efficiency is 20 to 50 % lager than the conventional Rankine circulation in the middle-low temperature range which is quite considerable on the energy utilization; the run reliability and the power generating efficiency are improved; meanwhile an eject-type cooling technology is adopted; the power generating technology and the cooling technology are combined in an optimizing manner; and the technology is mature, economic and feasible.
Description
Technical field
The present invention relates to a kind of aqueous ammonia medium combined cooling and power system, belong to low-temperature electricity-generating, refrigeration technology field.
Background technique
Waste heat is under certain economic technology condition, the energy that is not utilized in using energy source equipment, namely unnecessary, the discarded energy.It comprises seven kinds of high-temp waste gas waste heat, cooling medium waste heat, waste vapour waste water residual heat, high-temperature product and afterheat of slags, chemical reaction waste heat, combustible exhaust gas waste liquid and waste material waste heat and high-pressure liquid overbottom pressure etc.According to investigation, the waste heat total resources of every profession and trade account for 17%～67% of its fuel consumption total amount, and the residual heat resources of recoverable are about 60% of waste heat total resources.
Cogeneration technology refers to utilize thermal power transfer unnecessary in the production process to be the technology of electric energy.Cogeneration is not only energy-conservation, also helps environmental protection.
Technique of Utilizing Waste Heat For Refrigeration refers to thermal power transfer unnecessary in the production process to be the technology of cold.Recyclable waste heat, energy efficient reduces cost.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of aqueous ammonia medium combined cooling and power system of the cheap and high operation simple and stable of cycle efficiency.
In order to solve the problems of the technologies described above, technological scheme of the present invention has provided a kind of aqueous ammonia medium combined cooling and power system, it is characterized in that: comprise card Linne circulation generating equipment and chiller plant, card Linne circulation generating equipment comprises vaporizer, regenerator, condenser, separator, to ammonia pump and steam turbine generator; Chiller plant comprises cooling machine, throttle valve and ammonia steam jet ejector, wherein:
Thermal source circulates via the hot media channel of vaporizer, thermal source enters behind this hot media channel the medium of the cold medium channel of vaporizer that heat transferred flowed through, the entry end of the cold medium channel of vaporizer connects the outlet end of the cold medium channel of regenerator, by giving ammonia pump and ammonia steam jet ejector fed sheet of a media in the cold medium channel of regenerator, the outlet end of the cold medium channel of vaporizer connects separator, separator has gas outlet end and liquid outlet end, the liquid outlet end of separator connects the entry end of the hot media channel of regenerator, after drawing, the gas outlet end of separator is divided into two-way, one the road is connected to steam turbine generator, another road then is connected to the entry end of ammonia steam jet ejector, the entry end of ammonia steam jet ejector also connects the gaseous phase outlet end for cooler, the outlet end of the hot media channel of regenerator, the outlet end of steam turbine generator and for the conflux entry end of hot media channel of rear connection condenser of the liquid-phase outlet end of cooler, after drawing, the outlet end of this hot media channel is divided into two-way, one the tunnel connects to ammonia pump, another road connects the entry end of cooling machine via throttle valve, cooling water circulates via the cold medium channel of condenser, is taken away the heat of medium of the hot media channel of the condenser of flowing through by cooling water.
Preferably, the medium of the cold medium channel of the medium of the hot media channel of the described condenser of flowing through and the described vaporizer of flowing through is identical, is ammoniacal liquor.
With respect to traditional generation technology and refrigeration technology, the present invention adopts card Linne circulating technology, low-temperature heat source in the utilization, and its cycle efficiency exceeds 20～50% in the conventional Rankine cycle of middle low temperature range internal ratio, this is very considerable in the energy utilization, has improved operational reliability and generating efficiency.Adopt simultaneously the spray type refrigerating technology, generation technology and refrigeration technology are optimized combination, its technology maturation, economically feasible.
Advantage of the present invention is: 1, first ammoniacal liquor generating and ammoniacal liquor refrigeration are optimized combination, combined cooling and power is provided, be applicable to various low temperature exhaust heats, be conducive to protection of the environment, energy saving; 2, refrigeration, power generation system have shared vaporizer, and vapour condenser to equipment such as ammonia pumps, has shared station service electrical system simultaneously, control system, overall cost decrease; 3, refrigeration, power generation system have adopted same media, compare with autonomous system, and total commissioning test maintenance cost is low; 4, refrigeration, generation load can be adjusted with season or user's request, reach best state with energy; 5, equipment is simple, characteristics of compact layout, but complete production, and cost is lower; 6, the card Linne circulates in low temperature (≤150 ℃) section, and cycle efficiency is high, and is higher by 20～50% than conventional Rankine cycle.
Description of drawings
Fig. 1 is the connection block diagram of a kind of aqueous ammonia medium combined cooling and power provided by the invention system.
Embodiment
For the present invention is become apparent, hereby with preferred embodiment, and cooperate accompanying drawing to be described in detail below.
As shown in Figure 1, a kind of aqueous ammonia medium combined cooling and power provided by the invention system, comprise card Linne circulation generating equipment and chiller plant, card Linne circulation generating equipment comprises vaporizer 3, regenerator 2, condenser 1, separator 5, to ammonia pump 7 and steam turbine generator 6; Chiller plant comprises cooling machine 9, throttle valve 8 and ammonia steam jet ejector 10, wherein:
Thermal source circulates via the hot media channel of vaporizer 3, thermal source enters behind this hot media channel the medium of the cold medium channel of vaporizer 3 that heat transferred flowed through, the entry end of the cold medium channel of vaporizer 3 connects the outlet end of the cold medium channel of regenerator 2, by giving ammonia pump 7 and ammonia steam jet ejector 10 fed sheet of a media in the cold medium channel of regenerator 2, the outlet end of the cold medium channel of vaporizer 3 connects separator 5, separator 5 has gas outlet end and liquid outlet end, the liquid outlet end of separator 5 connects the entry end of the hot media channel of regenerator 2, after drawing, the gas outlet end of separator 5 is divided into two-way, one the road is connected to steam turbine generator 6, another road then is connected to the entry end of ammonia steam jet ejector 10, the entry end of ammonia steam jet ejector 10 also connects the gaseous phase outlet end for cooler 9, the outlet end of the hot media channel of regenerator 2, the outlet end of steam turbine generator 6 and for the conflux entry end of hot media channel of rear connection condenser 1 of the liquid-phase outlet end of cooler 9, wherein can be as shown in Figure 1, outlet end at the hot media channel of regenerator 2 increases a valve, after drawing, the outlet end of this hot media channel is divided into two-way, one the tunnel connects to ammonia pump 7, another road connects the entry end of cooling machine 9 via throttle valve 8, cooling water circulates via the cold medium channel of condenser 1, is taken away the heat of medium of the hot media channel of the condenser 1 of flowing through by cooling water.
In the present embodiment, the medium of the cold medium channel of the medium of the hot media channel of the condenser 1 of flowing through and the vaporizer 3 of flowing through is identical, is ammoniacal liquor.
During use, thermal source enters the vaporizer 3 of card Linne cycle power cycle system, with cycle fluid---the ammonia water mixture of heat transferred card Linne power system.Out ammoniacal liquor of vaporizer 3-ammonia two-phase steam enters separator 5 and carries out vapor-liquid separation; The ammonia steam of separating enters steam turbine generator 6 expansion workings, drives steam turbine generator 6 generatings; The weak aqua ammonia of separating enters regenerator 2 heating, enters at last condenser 1 and is condensed by water quench.The ammoniacal liquor that condenses carries out the backheat heating through delivering to regenerator 2 for ammonia pump 7, again enters the heat that vaporizer 3 absorbs geothermal water.
Enter ammonia steam jet ejector 10 through separator part ammonia steam out, ammonia steam expands in nozzle, obtains very large steam flow speed.Because at this moment pressure energy becomes kinetic energy, produce low pressure even vacuum, make for the evaporation of the medium in the cooler 9, a large amount of heat absorptions produce refrigeration effect.
The present invention has fully used the characteristics of aqueous ammonia medium at generating and refrigerating field, and makes it combination, has formed more economical, efficient, simple system.
What card Linne system itself utilized is exactly the characteristics that ammonia water mixture has inconstant boiling temperature, can dwindle the heat transfer temperature difference with thermal source.On thermal curve, the heat absorption evaporator section, ammonia water mixture does not have the level pressure endothermic process, it can than the pure water of routine Duo the suction a part of heat.At condensating section, in like manner ammoniacal liquor does not have fixing condensation point, and at the heat release condensating section, it just can put a part of heat less.Many heat absorptions, few heat release, efficiency of thermal cycle can obtain raising.
Claims (2)
1. aqueous ammonia medium combined cooling and power system, it is characterized in that: comprise card Linne circulation generating equipment and chiller plant, card Linne circulation generating equipment comprises vaporizer (3), regenerator (2), condenser (1), separator (5), to ammonia pump (7) and steam turbine generator (6); Chiller plant comprises cooling machine (9), throttle valve (8) and ammonia steam jet ejector (10), wherein:
Thermal source circulates via the hot media channel of vaporizer (3), thermal source enters behind this hot media channel the medium of the cold medium channel of vaporizer (3) that heat transferred flowed through, the entry end of the cold medium channel of vaporizer (3) connects the outlet end of the cold medium channel of regenerator (2), by giving ammonia pump (7) and ammonia steam jet ejector (10) to the interior fed sheet of a media of the cold medium channel of regenerator (2), the outlet end of the cold medium channel of vaporizer (3) connects separator (5), separator (5) has gas outlet end and liquid outlet end, the liquid outlet end of separator (5) connects the entry end of the hot media channel of regenerator (2), after drawing, the gas outlet end of separator (5) is divided into two-way, one the road is connected to steam turbine generator (6), another road then is connected to the entry end of ammonia steam jet ejector (10), the entry end of ammonia steam jet ejector (10) also connects the gaseous phase outlet end for cooler (9), the outlet end of the hot media channel of regenerator (2), the outlet end of steam turbine generator (6) and for the conflux entry end of hot media channel of rear connection condenser (1) of the liquid-phase outlet end of cooler (9), after drawing, the outlet end of this hot media channel is divided into two-way, one the tunnel connects to ammonia pump (7), another road connects the entry end of cooling machine (9) via throttle valve (8), cooling water circulates via the cold medium channel of condenser (1), is taken away the heat of medium of the hot media channel of the condenser of flowing through (1) by cooling water.
2. a kind of aqueous ammonia medium combined cooling and power as claimed in claim 1 system, it is characterized in that: the medium of the cold medium channel of the medium of the hot media channel of the described condenser (1) of flowing through and the described vaporizer (3) of flowing through is identical, is ammoniacal liquor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN2013102079032A CN103306763A (en) | 2013-05-29 | 2013-05-29 | Cooling power combined supplying system with ammonium hydroxide medium |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2013102079032A CN103306763A (en) | 2013-05-29 | 2013-05-29 | Cooling power combined supplying system with ammonium hydroxide medium |
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| CN103306763A true CN103306763A (en) | 2013-09-18 |
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| CN2013102079032A Pending CN103306763A (en) | 2013-05-29 | 2013-05-29 | Cooling power combined supplying system with ammonium hydroxide medium |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104153834A (en) * | 2014-07-15 | 2014-11-19 | 天津大学 | Power generation and cooling hybrid system based on Kalina cycle |
| CN114370719A (en) * | 2022-01-13 | 2022-04-19 | 山东大学 | Multi-combined supply system fully utilizing photovoltaic heat and geothermal energy and working method thereof |
Citations (8)
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| US4869069A (en) * | 1987-04-09 | 1989-09-26 | Frank J. Scherer | Integrated cascade refrigeration system |
| US4942734A (en) * | 1989-03-20 | 1990-07-24 | Kryos Energy Inc. | Cogeneration of electricity and liquid carbon dioxide by combustion of methane-rich gas |
| JPH10238368A (en) * | 1996-10-12 | 1998-09-08 | Yoshihide Nakamura | Combined cycle system |
| CN1940254A (en) * | 2005-09-29 | 2007-04-04 | 罗桂荣 | Composite thermodynamic engine of power circulation system and refrigerating circulation system |
| GB2432205A (en) * | 2005-10-28 | 2007-05-16 | Repsole Ltd | Internal combustion engine intercooler utilising absorption cooling. |
| CN102242985A (en) * | 2010-05-12 | 2011-11-16 | 中国科学院工程热物理研究所 | Mixed working medium thermal circulating system and method for power and refrigeration cogeneration |
| CN102435000A (en) * | 2011-10-25 | 2012-05-02 | 西安交通大学 | Solar energy system combined cooling and electricity based on ammonia water mixed refrigerant |
| CN203347861U (en) * | 2013-05-29 | 2013-12-18 | 上海盛合新能源科技有限公司 | of cooling and power generating functions of ammonia medium |
-
2013
- 2013-05-29 CN CN2013102079032A patent/CN103306763A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4869069A (en) * | 1987-04-09 | 1989-09-26 | Frank J. Scherer | Integrated cascade refrigeration system |
| US4942734A (en) * | 1989-03-20 | 1990-07-24 | Kryos Energy Inc. | Cogeneration of electricity and liquid carbon dioxide by combustion of methane-rich gas |
| JPH10238368A (en) * | 1996-10-12 | 1998-09-08 | Yoshihide Nakamura | Combined cycle system |
| CN1940254A (en) * | 2005-09-29 | 2007-04-04 | 罗桂荣 | Composite thermodynamic engine of power circulation system and refrigerating circulation system |
| GB2432205A (en) * | 2005-10-28 | 2007-05-16 | Repsole Ltd | Internal combustion engine intercooler utilising absorption cooling. |
| CN102242985A (en) * | 2010-05-12 | 2011-11-16 | 中国科学院工程热物理研究所 | Mixed working medium thermal circulating system and method for power and refrigeration cogeneration |
| CN102435000A (en) * | 2011-10-25 | 2012-05-02 | 西安交通大学 | Solar energy system combined cooling and electricity based on ammonia water mixed refrigerant |
| CN203347861U (en) * | 2013-05-29 | 2013-12-18 | 上海盛合新能源科技有限公司 | of cooling and power generating functions of ammonia medium |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104153834A (en) * | 2014-07-15 | 2014-11-19 | 天津大学 | Power generation and cooling hybrid system based on Kalina cycle |
| CN104153834B (en) * | 2014-07-15 | 2015-08-19 | 天津大学 | A kind of generating based on the circulation of card Linne, cooling association system |
| CN114370719A (en) * | 2022-01-13 | 2022-04-19 | 山东大学 | Multi-combined supply system fully utilizing photovoltaic heat and geothermal energy and working method thereof |
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Application publication date: 20130918 |