CN107906783A - A kind of energy-storing refrigerating system and its control method - Google Patents
A kind of energy-storing refrigerating system and its control method Download PDFInfo
- Publication number
- CN107906783A CN107906783A CN201711115357.4A CN201711115357A CN107906783A CN 107906783 A CN107906783 A CN 107906783A CN 201711115357 A CN201711115357 A CN 201711115357A CN 107906783 A CN107906783 A CN 107906783A
- Authority
- CN
- China
- Prior art keywords
- control valve
- ammonia
- storage tank
- energy
- refrigerating system
- 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.)
- Granted
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B15/00—Sorption machines, plants or systems, operating continuously, e.g. absorption type
- F25B15/02—Sorption machines, plants or systems, operating continuously, e.g. absorption type without inert gas
- F25B15/04—Sorption machines, plants or systems, operating continuously, e.g. absorption type without inert gas the refrigerant being ammonia evaporated from aqueous solution
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B27/00—Machines, plants or systems, using particular sources of energy
- F25B27/002—Machines, plants or systems, using particular sources of energy using solar energy
- F25B27/007—Machines, plants or systems, using particular sources of energy using solar energy in sorption type systems
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B27/00—Machines, plants or systems, using particular sources of energy
- F25B27/02—Machines, plants or systems, using particular sources of energy using waste heat, e.g. from internal-combustion engines
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/20—Disposition of valves, e.g. of on-off valves or flow control valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B49/00—Arrangement or mounting of control or safety devices
- F25B49/04—Arrangement or mounting of control or safety devices for sorption type machines, plants or systems
- F25B49/043—Operating continuously
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2600/00—Control issues
- F25B2600/25—Control of valves
- F25B2600/2519—On-off valves
-
- 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
-
- 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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/62—Absorption based systems
- Y02B30/625—Absorption based systems combined with heat or power generation [CHP], e.g. trigeneration
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Sorption Type Refrigeration Machines (AREA)
Abstract
The present invention relates to field of energy utilization, discloses a kind of energy-storing refrigerating system and its control method, it includes：Concentrated ammonia liquor storage tank, generator, separator, condenser, liquid ammonia storage tank, throttle valve, evaporator and the absorber for forming circulation loop are sequentially connected, wherein, the condenser is connected with the first outlet at the top of the separator, and generator is connected with low-grade heat source；Further include dilute the ammonia storage tank and heat exchange coil for being sequentially connected and forming dilute ammonia branch, wherein, the heat exchange coil is located in the liquid ammonia storage tank, the both ends of dilute ammonia branch are connected with the separator and the absorber respectively, wherein, dilute ammonia branch is connected with the second outlet of the separator bottom.Energy-storing refrigerating system provided by the present invention is stored in high-pressure liquid ammonia and hot ammonium hydroxide by the use of low grade heat energy as drive energy, and is discharged when needing in the form of cold energy, so as to may advantageously facilitate the comprehensive utilization of low grade heat energy.
Description
Technical field
The present invention relates to technical field of energy utilization, more particularly to a kind of energy-storing refrigerating system, and above-mentioned energy-storing refrigerating
The control method of system.
Background technology
Concern suffered by China's energy and environmental issue increasingly increases, and energy-saving and emission-reduction and Renewable Energy Development become weight
In it is weight.
The utilization of industrial waste heat is a Main way of energy-saving and emission-reduction, but the utilization of current only high temperature heat source is more complete
Kind, middle low-temperature heat source is relatively low due to hot grade, it is difficult to applies.In addition, renewable energy power due to by geographical conditions and
The limitation of natural conditions, it is general that there is intermittent and unstability, its popularization and application is subject to certain obstruction；Network load by
The peak-valley difference caused by the regular production of user terminal or work and rest custom also continues to increase, and the safety and Effec-tive Function of feeder ear are made
Into certain influence；And energy storage technology is to solve renewable energy power consumption, stabilize an important means of load peak-valley difference.
Therefore, the energy storage technology for developing low-grade heat source driving is of great significance the tool that solves the above problems.
The content of the invention
(1) technical problems to be solved
It is an object of the present invention to provide a kind of energy-storing refrigerating system, it is intended at least solves the prior art or correlation technique
Present in one of technical problem.
It is a further object to provide a kind of control method of energy-storing refrigerating system, it is intended at least solves existing skill
One of technical problem present in art or correlation technique.
(2) technical solution
In order to solve the above technical problem, the present invention provides a kind of energy-storing refrigerating system, it includes：It is sequentially connected composition
Concentrated ammonia liquor storage tank, generator, separator, condenser, liquid ammonia storage tank, throttle valve, evaporator and the absorber of circulation loop, its
In, the condenser is connected with the first outlet on the separator top, and the generator is connected with low-grade heat source；Described
The first control valve is provided between concentrated ammonia liquor storage tank and the generator, is set between the condenser and the liquid ammonia storage tank
There is the second control valve, third control valve is provided between the liquid ammonia storage tank and the throttle valve, in the absorber and institute
State and be provided with the 6th control valve between concentrated ammonia liquor storage tank, the first transfer tube is additionally provided with the circulation loop；
The weak aqua ammonia storage tank and heat exchange coil for being sequentially connected and forming dilute ammonia branch are further included, wherein, the heat exchange coil position
In in the liquid ammonia storage tank, the both ends of dilute ammonia branch are connected with the separator and the absorber respectively, wherein, it is described
Dilute ammonia branch is connected with the second outlet of the separator bottom, is provided between the weak aqua ammonia storage tank and the separator
4th control valve, the 5th control valve is provided between the weak aqua ammonia storage tank and the heat exchange coil, in dilute ammonia branch
On be additionally provided with the second transfer tube.
Wherein, controller, first transfer tube, second transfer tube, first control valve, described are further included
Two control valves, the third control valve, the 4th control valve, the 5th control valve and the 6th control valve respectively with institute
State controller connection.
Wherein, the low grade heat energy include middle low temperature photo-thermal, the waste heat produced in underground heat, and process of factory production,
Waste heat.
Wherein, further include the first cooling circulation loop, the condenser is located on the first cooling circulation loop, this
Cooling tower or air cooler are additionally provided with one cooling circulation loop.
Wherein, the second cooling circulation loop is further included, the absorber is located on the second cooling circulation loop, described cold
But tower or the air cooler are also disposed on the second cooling circulation loop.
Wherein, the energy-storing refrigerating system is powered by power grid valley power or renewable energy power.
Wherein, it is both provided with insulating layer outside the tank skin of the liquid ammonia storage tank and the weak aqua ammonia storage tank.
Present invention also offers a kind of control method of energy-storing refrigerating system, it includes energy storage pattern and refrigeration mode:
Under energy storage pattern, the first control valve, the second control valve and the 4th control valve are opened, closes third control valve, the
Five control valves, the 6th control valve, make the concentrated ammonia liquor in concentrated ammonia liquor storage tank enter heating of absorbing heat in generator, then through separator point
From for high pressure ammonia steam and hot weak aqua ammonia, it is stored in after the condensed device cooling liquid of high pressure ammonia steam in liquid ammonia storage tank, the dilute ammonia of heat
Water is stored in weak aqua ammonia storage tank；
In cooling mode, the first control valve, the second control valve and the 4th control valve are closed, opens third control valve, the
Five control valves, the 6th control valve, enter hot weak aqua ammonia and are located in the heat exchange coil of the liquid ammonia storage tank and the liquid ammonia storage tank
Interior liquefied ammonia carries out heat exchange, the evaporation of the liquefied ammonia in the liquid ammonia storage tank is become gas after entering throttle valve expansion cooling after being pressurized
Liquid two-phase, the biphase gas and liquid flow enter back into absorber after entering evaporator heat absorption expansion, in the absorber with from institute
The weak aqua ammonia for stating outflow in heat exchange coil is mixed to form concentrated ammonia liquor and flows back into concentrated ammonia liquor storage tank, and the biphase gas and liquid flow is steaming
Cold is provided while heat absorption in hair device, realizes refrigeration.
(3) beneficial effect
Energy-storing refrigerating system provided by the present invention by the way that low grade heat energy is stored in high-pressure liquid ammonia and hot ammonium hydroxide, and
Discharged when needing in the form of cold energy, so as to may advantageously facilitate the comprehensive utilization of low product thermal energy.
Brief description of the drawings
Fig. 1 is a kind of structure diagram of the preferred embodiment of energy-storing refrigerating system according to the present invention；
In figure, 1：Concentrated ammonia liquor storage tank；2：Generator；3：Separator；4：Condenser；5：Liquid ammonia storage tank；6：Weak aqua ammonia storage tank；
7：Throttle valve；8：Evaporator；9：Absorber；10：Cold-storage water tank；11：Cooling tower；12：First control valve；13：Second control valve；
14：Third control valve；15：4th control valve；16：5th control valve；17：First transfer tube；18：Second transfer tube；19：6th
Control valve；20：Heat exchange coil.
Embodiment
With reference to the accompanying drawings and examples, the embodiment of the present invention is described in further detail.Following instance
For illustrating the present invention, but it is not limited to the scope of the present invention.
In the description of the present invention, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", " on ", " under ", "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outer ", " up time
The orientation or position relationship of the instruction such as pin ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " be based on orientation shown in the drawings or
Position relationship, is for only for ease of and describes the present invention and simplify description, rather than indicates or imply that signified device or element must
There must be specific orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " are only used for description purpose, and it is not intended that instruction or hint relative importance
Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can be expressed or
Implicitly include at least one this feature.In the description of the present invention, " multiple " are meant that at least two, such as two, three
It is a etc., unless otherwise specifically defined.
In the present invention, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " fixation " etc.
Term should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integrally；Can be that machinery connects
Connect or be electrically connected or can communicate each other；It can be directly connected, can also be indirectly connected by intermediary, can be with
It is the interaction relationship of connection inside two elements or two elements, unless otherwise restricted clearly.For this area
For those of ordinary skill, the concrete meaning of above-mentioned term in the present invention can be understood as the case may be.
Fig. 1 shows an a kind of preferred embodiment of energy-storing refrigerating system according to the present invention.As shown in the figure, the energy storage
Refrigeration system includes being sequentially connected the concentrated ammonia liquor storage tank 1 for forming circulation loop, generator 2, separator 3, condenser 4, liquefied ammonia storage
Tank 5, throttle valve 7, evaporator 8 and absorber 9.Wherein, condenser 4 is connected with the first outlet at the top of separator 3, generator 2
It is connected with low-grade heat source.The first control valve 12 is provided between concentrated ammonia liquor storage tank 1 and generator 2, in condenser 4 and liquefied ammonia
The second control valve 13 is provided between storage tank 5, third control valve 14 is provided between liquid ammonia storage tank 5 and throttle valve 7, is being absorbed
The 6th control valve 19 is provided between device 9 and concentrated ammonia liquor storage tank 1, the stream being additionally provided with circulation loop in driving cycle circuit
First transfer tube 17 of logical medium.The energy-storing refrigerating system, which further includes, to be sequentially connected the weak aqua ammonia tank 6 for forming dilute ammonia branch and changes
Hot coil 20, wherein, heat exchange coil 20 is located in liquid ammonia storage tank 5, the both ends of dilute ammonia branch respectively with separator 3 and absorber 9
Connection, wherein, dilute ammonia branch is connected with the second outlet of 3 bottom of separator, is set between weak aqua ammonia storage tank 6 and separator 3
There is the 4th control valve 15, the 5th control valve 16 is provided between weak aqua ammonia storage tank 6 and heat exchange coil 20, on dilute ammonia branch also
It is provided with the second transfer tube 18 of the circulation medium for driving dilute ammonia branch.
The energy-storing refrigerating system includes two kinds of operating modes：Energy storage pattern and refrigeration mode.In use, first turn on energy storage
Pattern, that is, open the first control valve 12, the second control valve 13 and the 4th control valve 15, closes third control valve the 14, the 5th and controls
16 and the 6th control valve 19 of valve, and open the first transfer tube 17 so that the concentrated ammonia liquor in concentrated ammonia liquor storage tank 1 is in the first transfer tube 17
Driving under enter generator 2 in, separator 3 is entered after heat source heats, and high pressure ammonia and heat are separated into separator 3
Weak aqua ammonia, second outlet of the hot weak aqua ammonia through bottom, which is downwardly into weak aqua ammonia storage tank 6, to be stored, high pressure ammonia through top first
Outlet enters in condenser 4, and liquefaction is liquefied ammonia under the cooling of condenser 4, subsequently into being stored in liquid ammonia storage tank 5, energy storage mould
Formula is completed.After energy storage Pattern completion, liquefied ammonia and hot weak aqua ammonia are kept in liquid ammonia storage tank 5 and weak aqua ammonia storage tank 6 respectively.
When needing refrigeration, refrigeration mode is opened, that is, closes the first control valve 12, the second control valve 13 and the 4th control valve
15, third control valve 14, the 5th control valve 16 and the 6th control valve 19 are opened, and the second transfer tube 18 is opened, so that dilute ammonia
The weak aqua ammonia in 6 is filled under the driving of the second transfer tube 18 to enter in the heat exchange coil 20 in liquid ammonia storage tank 5, so that
Enter the expansion cooling of throttle valve 7 after liquefied ammonia evaporation supercharging in liquid ammonia storage tank 5, inhaled after becoming biphase gas and liquid flow into evaporator 8
Thermal expansion, the weary ammonia that evaporator 8 is discharged enter absorber 9, the weak aqua ammonia in absorber 9 with being flowed out out of heat exchange coil 20
It is mixed to form concentrated ammonia liquor and flows back into 1 memory storage of concentrated ammonia liquor storage tank.Liquefied ammonia provides cold in evaporator 8 while heat absorption, real
Now freeze, such as cold can be stored in cold-storage water tank 10 by the form of coolant media (such as water).
Energy-storing refrigerating system provided by the present invention by the way that low-grade heat source is stored in high-pressure liquid ammonia and hot ammonium hydroxide, and
Discharged when needing in the form of cold energy, so as to may advantageously facilitate the comprehensive profit of low product thermal energy and regenerative resource
With.
Preferably, which further includes controller (not shown), the first transfer tube 17, the second transfer tube 18,
First control valve 12, the second control valve 13, third control valve 14, the 4th control valve 15, the 5th control valve 16 and the 6th control valve
19 are connected with controller respectively, to be turned on and off under the control of the controller respectively.
Specifically, low-grade heat source refers herein to the relatively low heat source for being not easy to directly utilize of temperature, such as middle low temperature
Photo-thermal, underground heat, substantial amounts of waste heat, the waste heat produced in process of factory production.
Further, in order to promote weak aqua ammonia of the weary ammonia fully with being flowed out from heat exchange coil 20 discharged from evaporator 8
Concentrated ammonia liquor is mixed to form, preferably the energy-storing refrigerating system further includes the first cooling circulation loop, and condenser 4 is located at first cooling
On circulation loop, cooling tower 11 or air cooler are additionally provided with the first cooling circulation loop.Furthermore it is preferred that the energy-storing refrigerating
System further includes the second cooling circulation loop, and absorber 9, cooling tower 11 or air cooler are located on the second cooling circulation loop.
Preferably, which is powered by power grid valley power or renewable energy power, to assist power grid tune
Peak promotes regenerative resource consumption,.
In addition, heat stored in liquid ammonia storage tank 5 and weak aqua ammonia storage tank 6 produces loss in order to prevent, preferably liquefied ammonia stores up
Insulating layer is both provided with outside the tank skin of tank 5 and weak aqua ammonia storage tank 6.
The invention also discloses a kind of control method of above-mentioned energy-storing refrigerating system, it includes energy storage pattern and refrigeration mould
Formula,
Under energy storage pattern, the first control valve 12, the second control valve 13 and the 4th control valve 15 are opened, closes the 3rd control
Valve 14, the 5th control valve 16 and the 6th control valve 19, make the concentrated ammonia liquor in concentrated ammonia liquor storage tank 1 enter heating of absorbing heat in generator 2,
Then high pressure ammonia steam and hot weak aqua ammonia are separated into through separator 3, liquid is stored in after condensed 4 cooling liquid of device of high pressure ammonia steam
In ammonia storage tank 5, hot weak aqua ammonia is stored in weak aqua ammonia storage tank 6；
In cooling mode, the first control valve 12, the second control valve 13 and the 4th control valve 15 are closed, opens the 3rd control
Valve 14, the 5th control valve 16 and the 6th control valve 19, make hot weak aqua ammonia enter positioned at liquid ammonia storage tank 5 heat exchange coil 20 in and liquid
Liquefied ammonia in ammonia storage tank 5 carries out heat exchange, after the liquefied ammonia evaporation in liquid ammonia storage tank 5 is entered the expansion cooling of throttle valve 7 after being pressurized
As biphase gas and liquid flow, the biphase gas and liquid flow enters absorber 9 after entering the heat absorption expansion of evaporator 8, and from heat exchange coil 20
The weak aqua ammonia of interior outflow is mixed to form concentrated ammonia liquor and flows back into concentrated ammonia liquor storage tank 1；Liquefied ammonia absorbs cold media in evaporator 88
Cold is provided while the heat of matter (such as water), realizes refrigeration.
Driven when using photo-thermal and photovoltaic, energy storage pattern is opened in the daytime, and refrigeration mode is opened at night, when using power grid
When valley power and other thermal energy energize, energy storage pattern is opened at night, and refrigeration mode is opened in the daytime.
The foregoing is merely a prefered embodiment of the invention, is not intended to limit the invention, it is all the present invention spirit and
Within principle, any modification, equivalent replacement, improvement and so on, should all be included in the protection scope of the present invention.
Claims (8)
- A kind of 1. energy-storing refrigerating system, it is characterised in that including：It is sequentially connected and forms the concentrated ammonia liquor storage tank of circulation loop, occurs Device, separator, condenser, liquid ammonia storage tank, throttle valve, evaporator and absorber, wherein, on the condenser and the separator The first outlet connection in portion, the generator are connected with low-grade heat source；Between the concentrated ammonia liquor storage tank and the generator The first control valve is provided with, the second control valve is provided between the condenser and the liquid ammonia storage tank, is stored up in the liquefied ammonia Third control valve is provided between tank and the throttle valve, the 6th is provided between the absorber and the concentrated ammonia liquor storage tank Control valve, is additionally provided with the first transfer tube on the circulation loop；The weak aqua ammonia storage tank and heat exchange coil for being sequentially connected and forming dilute ammonia branch are further included, wherein, the heat exchange coil is located at institute To state in liquid ammonia storage tank, the both ends of dilute ammonia branch are connected with the separator and the absorber respectively, wherein, dilute ammonia Branch is connected with the second outlet of the separator bottom, and the 4th is provided between the weak aqua ammonia storage tank and the separator Control valve, the 5th control valve is provided between the weak aqua ammonia storage tank and the heat exchange coil, on dilute ammonia branch also It is provided with the second transfer tube.
- 2. energy-storing refrigerating system according to claim 1, it is characterised in that further include controller, first transfer tube, Second transfer tube, first control valve, second control valve, the third control valve, the 4th control valve, institute State the 5th control valve and the 6th control valve is connected with the controller respectively.
- 3. energy-storing refrigerating system according to claim 1, it is characterised in that the low grade heat energy includes middle low temperature light Waste heat, the waste heat produced in heat, underground heat, and process of factory production.
- 4. energy-storing refrigerating system according to claim 1, it is characterised in that the first cooling circulation loop is further included, it is described Condenser is located on the first cooling circulation loop, and cooling tower or air cooler are additionally provided with the first cooling circulation loop.
- 5. energy-storing refrigerating system according to claim 4, it is characterised in that the second cooling circulation loop is further included, it is described Absorber is located on the second cooling circulation loop, and the cooling tower or the air cooler are also disposed at described second and supply SAPMAC method On circuit.
- 6. the energy-storing refrigerating system according to any one of claim 1-5, it is characterised in that the energy-storing refrigerating system by Power grid valley power or renewable energy power power supply.
- 7. the energy-storing refrigerating system according to any one of claim 1-5, it is characterised in that the liquid ammonia storage tank and described Insulating layer is both provided with outside the tank skin of weak aqua ammonia storage tank.
- 8. a kind of control method of energy-storing refrigerating system, it is characterised in that including energy storage pattern and refrigeration mode:Under energy storage pattern, the first control valve, the second control valve and the 4th control valve are opened, closes third control valve, the 5th control Valve processed, the 6th control valve, make the concentrated ammonia liquor in concentrated ammonia liquor storage tank enter heating of absorbing heat in generator, are then separated into through separator High pressure ammonia steam and hot weak aqua ammonia, are stored in liquid ammonia storage tank after the condensed device cooling liquid of high pressure ammonia steam, hot weak aqua ammonia storage It is stored in weak aqua ammonia storage tank；In cooling mode, the first control valve, the second control valve and the 4th control valve are closed, opens third control valve, the 5th control Valve processed, the 6th control valve, make hot weak aqua ammonia enter in the heat exchange coil of the liquid ammonia storage tank with the liquid ammonia storage tank Liquefied ammonia carries out heat exchange, the evaporation of the liquefied ammonia in the liquid ammonia storage tank is become gas-liquid two after entering throttle valve expansion cooling after being pressurized Xiang Liu, the biphase gas and liquid flow enters back into absorber after entering evaporator heat absorption expansion, with being changed from described in the absorber The weak aqua ammonia of outflow is mixed to form concentrated ammonia liquor and flows back into concentrated ammonia liquor storage tank in hot coil, and the biphase gas and liquid flow is in evaporator Cold is provided while interior heat absorption, realizes refrigeration.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711115357.4A CN107906783B (en) | 2017-11-13 | 2017-11-13 | A kind of energy-storing refrigerating system and its control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711115357.4A CN107906783B (en) | 2017-11-13 | 2017-11-13 | A kind of energy-storing refrigerating system and its control method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107906783A true CN107906783A (en) | 2018-04-13 |
| CN107906783B CN107906783B (en) | 2018-12-11 |
Family
ID=61845169
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711115357.4A Active CN107906783B (en) | 2017-11-13 | 2017-11-13 | A kind of energy-storing refrigerating system and its control method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107906783B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111911990A (en) * | 2020-07-13 | 2020-11-10 | 东南大学 | Remote absorption type cooling and heating system based on solution energy storage |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101344345A (en) * | 2008-08-14 | 2009-01-14 | 安徽工业大学 | Compression-absorption-diffusion combined refrigerating plant and its refrigeration cycle method |
| CN101865560A (en) * | 2010-06-19 | 2010-10-20 | 海南珍稀农业有限公司 | Fishing boat tail gas refrigerating unit |
| CN101949368A (en) * | 2010-08-24 | 2011-01-19 | 天津大学 | Medium-low temperature geothermal power generation unit with absorbing temperature-increasing system |
| CN202284865U (en) * | 2011-09-13 | 2012-06-27 | 东南大学 | Solution circulation loop of ammonia absorption type refrigeration system |
| CN102721230A (en) * | 2011-03-31 | 2012-10-10 | 中国科学院工程热物理研究所 | Thermodynamic cycle system and method for ammonia water mixed working medium power cooling combined supply |
| CN103542590A (en) * | 2012-07-17 | 2014-01-29 | 中国科学院工程热物理研究所 | Ammonium hydroxide absorption refrigerating system and active regulating and controlling method of concentration of ammonium hydroxide absorption refrigerating system |
| WO2015048858A1 (en) * | 2013-10-06 | 2015-04-09 | Tranquility Group Pty Ltd | System and apparatus for electronic control of an absorption refrigeration system |
-
2017
- 2017-11-13 CN CN201711115357.4A patent/CN107906783B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101344345A (en) * | 2008-08-14 | 2009-01-14 | 安徽工业大学 | Compression-absorption-diffusion combined refrigerating plant and its refrigeration cycle method |
| CN101865560A (en) * | 2010-06-19 | 2010-10-20 | 海南珍稀农业有限公司 | Fishing boat tail gas refrigerating unit |
| CN101949368A (en) * | 2010-08-24 | 2011-01-19 | 天津大学 | Medium-low temperature geothermal power generation unit with absorbing temperature-increasing system |
| CN102721230A (en) * | 2011-03-31 | 2012-10-10 | 中国科学院工程热物理研究所 | Thermodynamic cycle system and method for ammonia water mixed working medium power cooling combined supply |
| CN202284865U (en) * | 2011-09-13 | 2012-06-27 | 东南大学 | Solution circulation loop of ammonia absorption type refrigeration system |
| CN103542590A (en) * | 2012-07-17 | 2014-01-29 | 中国科学院工程热物理研究所 | Ammonium hydroxide absorption refrigerating system and active regulating and controlling method of concentration of ammonium hydroxide absorption refrigerating system |
| WO2015048858A1 (en) * | 2013-10-06 | 2015-04-09 | Tranquility Group Pty Ltd | System and apparatus for electronic control of an absorption refrigeration system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111911990A (en) * | 2020-07-13 | 2020-11-10 | 东南大学 | Remote absorption type cooling and heating system based on solution energy storage |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107906783B (en) | 2018-12-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107388620A (en) | A kind of complex type solar lithium bromide absorption type air conditioner system | |
| CN109114804A (en) | Photovoltaic-alternating current joint driving photovoltaic and photothermal integral double-source heat pump water heating system and its operation method | |
| CN103292513B (en) | Driven by Solar Energy list economic benefits and social benefits coupled mode lithium bromide refrigerator | |
| CN201705400U (en) | Power plant cooling system adopting waste heat refrigeration form to increase cooling efficiency | |
| CN101571330B (en) | Multifunctional frost-free solar-assisted heat pump system | |
| CN101509716A (en) | Electric power plant cooling system for enhancing cooling efficiency by utilizing residual heat refrigeration manner | |
| CN101196351A (en) | High-efficiency low-temperature absorptive refrigerating machine | |
| CN102628624A (en) | Cascade lithium bromide refrigeration and cold storage system | |
| CN206488503U (en) | A kind of heat pump | |
| CN202216448U (en) | Diffusion absorption refrigeration and vapor compression refrigeration combined recycle system | |
| CN201281489Y (en) | Thermal water vapor concurrent heating type lithium bromide absorption type water chilling unit | |
| CN102322705A (en) | Circulating device combining diffusing absorption-type refrigeration and vapor compression refrigeration | |
| CN104454232A (en) | Fuel gas generator set waste heat utilization device | |
| CN108036544A (en) | The energy composite energy system of solar energy/biomass energy integrated driving | |
| CN203011002U (en) | Direct-fired lithium bromide absorption type heating and refrigerating unit with smoke valve and used for recovering smoke waste heat | |
| CN208504785U (en) | The freezer condensation waste heat absorption system complementary with solar energy | |
| CN203177527U (en) | Single-effect cascaded lithium bromide absorption water cooling unit | |
| CN105890211B (en) | A kind of accumulation of energy interconnection heat pump system of suitable cold district heat supply | |
| CN205655526U (en) | Phase -change thermal formula carbon dioxide air source solar thermal energy pump | |
| CN107906783B (en) | A kind of energy-storing refrigerating system and its control method | |
| CN209295435U (en) | A kind of heat pump system guaranteeing water-side heat counterflow heat exchange | |
| CN107905864B (en) | A kind of energy-storing and power-generating system and its control method | |
| CN2525445Y (en) | Two purpose second class lithium bromide absorptice heat pump | |
| CN203053079U (en) | Fuel gas auxiliary heating energy storage type solar energy absorption refrigeration device | |
| CN204285677U (en) | Heat recovery system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190403 Address after: 100084 Tsinghua Yuan, Beijing, Haidian District Co-patentee after: Power Science Research Institute of Anhui Electric Power Co., Ltd. Patentee after: Tsinghua University Co-patentee after: Anhui Electric Power Co., Ltd. Co-patentee after: Wuhu Kang ai Er Electric Co., Ltd. Address before: 100084 Tsinghua Yuan, Beijing, Tsinghua Yuan, Beijing 100084-82 mailbox Patentee before: Tsinghua University |
|
| TR01 | Transfer of patent right |