CN111336628A - Cold and hot energy ring energy supply system of regional energy source - Google Patents
Cold and hot energy ring energy supply system of regional energy source Download PDFInfo
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- CN111336628A CN111336628A CN202010257589.9A CN202010257589A CN111336628A CN 111336628 A CN111336628 A CN 111336628A CN 202010257589 A CN202010257589 A CN 202010257589A CN 111336628 A CN111336628 A CN 111336628A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
- F24F5/0007—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning
- F24F5/0017—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning using cold storage bodies, e.g. ice
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D19/00—Details
- F24D19/10—Arrangement or mounting of control or safety devices
- F24D19/1006—Arrangement or mounting of control or safety devices for water heating systems
- F24D19/1009—Arrangement or mounting of control or safety devices for water heating systems for central heating
- F24D19/1045—Arrangement or mounting of control or safety devices for water heating systems for central heating the system uses a heat pump and solar energy
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D3/00—Hot-water central heating systems
- F24D3/18—Hot-water central heating systems using heat pumps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
- F24F11/83—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers
- F24F11/85—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers using variable-flow pumps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/89—Arrangement or mounting of control or safety devices
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S20/00—Solar heat collectors specially adapted for particular uses or environments
- F24S20/40—Solar heat collectors combined with other heat sources, e.g. using electrical heating or heat from ambient air
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D2200/00—Heat sources or energy sources
- F24D2200/32—Heat sources or energy sources involving multiple heat sources in combination or as alternative heat sources
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D2220/00—Components of central heating installations excluding heat sources
- F24D2220/02—Fluid distribution means
- F24D2220/0207—Pumps
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/40—Solar thermal energy, e.g. solar towers
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/14—Thermal energy storage
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Sustainable Energy (AREA)
- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
The invention provides a cold and hot energy ring energy supply system of regional energy, which comprises a cold energy ring subsystem and a hot energy ring subsystem, wherein a water outlet of refrigeration equipment of the cold energy ring subsystem is connected with one end of a cold energy conveying pipeline, the other end of the cold energy conveying pipeline is connected with a water inlet of waste cold recovery equipment, and a water inlet of cold equipment is connected with the cold energy conveying pipeline; the water outlet of the heating equipment of the thermal energy ring subsystem is connected with one end of a thermal energy conveying pipeline, the other end of the thermal energy conveying pipeline is connected with the water inlet of the waste heat recovery equipment, and the water inlet of the thermal energy ring subsystem is connected with the thermal energy conveying pipeline; the water outlet of the cold equipment is connected with the heat energy conveying pipeline, and the water outlet of the hot equipment is connected with the cold energy conveying pipeline. The invention adopts a cold energy ring and a heat energy ring which are parallel to supply cold and heat; meanwhile, waste heat of the cold energy ring can be transferred to the hot energy ring, and waste cold of the heat energy ring can be transferred to the cold energy ring, so that the waste cold and the waste heat are effectively utilized.
Description
Technical Field
The invention relates to the technical field of regional energy supply, in particular to a cold and hot energy ring energy supply system for regional energy.
Background
With the development of socio-economy, people have higher and higher demands for energy. However, the reserve of energy is not increased with the increase of demand of people, so how to maximize the utilization of effective energy and maintain the sustainability of the whole energy system becomes the focus of attention in recent years.
At present, a multi-heat-source networking is adopted to supply energy to an area, an energy-saving high-efficiency heat source is used as a main heat source, and other heat sources are used as auxiliary heat sources or peak heat sources to operate, so that the effects of economy and energy conservation are achieved. But the waste cold and waste heat at the user side are not effectively utilized, so that the resource waste is caused.
Therefore, there is a need in the art for a new energy source system for a district heating and cooling energy ring to solve the above problems.
Disclosure of Invention
The heat pump system aims to solve the problems in the prior art, namely, the problems that cold and hot energy in an area is effectively utilized and energy waste is reduced are solved. The invention provides a cold and hot energy ring energy supply system of regional energy sources, which comprises:
the system comprises a cold energy ring subsystem and a hot energy ring subsystem, wherein the cold energy ring subsystem comprises a cold filling station, a cold energy conveying pipeline and cold using equipment, the cold filling station comprises refrigerating equipment and waste cold recovery equipment, a water outlet of the refrigerating equipment is connected with one end of the cold energy conveying pipeline, the other end of the cold energy conveying pipeline is connected with a water inlet of the waste cold recovery equipment, a water inlet of the cold using equipment is connected with the cold energy conveying pipeline, and the cold using equipment is used for consuming cold energy and generating hot energy; the heat energy ring subsystem comprises a heat charging station, a heat energy conveying pipeline and a heat utilization device, the heat charging station comprises a heating device and a waste heat recovery device, a water outlet of the heating device is connected with one end of the heat energy conveying pipeline, the other end of the heat energy conveying pipeline is connected with a water inlet of the waste heat recovery device, a water inlet of the heat utilization device is connected with the heat energy conveying pipeline, and the heat utilization device is used for consuming heat energy and generating cold energy; the water outlet of the cold equipment is connected with the heat energy conveying pipeline, and the water outlet of the hot equipment is connected with the cold energy conveying pipeline.
Preferably, the refrigeration equipment comprises a ground source heat pump, a water source heat pump or an ice storage refrigeration unit.
Preferably, the waste cold recovery device is connected with the refrigeration device and used for recovering waste cold from the cold energy transmission pipeline and transmitting the generated cold energy to the refrigeration device.
Preferably, the heating apparatus comprises a ground source heat pump or a water source heat pump.
Preferably, the waste heat recovery device is connected with a heating device, and is used for recovering waste heat from the heat energy transmission pipeline and transmitting generated heat energy to the heating device.
Preferably, the solar water heater is further included, and the solar water heater is connected with the heating preparation device and provides hot water for the heating equipment.
Preferably, a driving pump and a water supplementing and pressure stabilizing device are arranged on the cold energy conveying pipeline and the heat energy conveying pipeline respectively.
Preferably, the water supplementing constant pressure device comprises a constant pressure expansion water tank.
The invention has the advantages that:
the cold and hot energy ring energy supply system of the regional energy provided by the invention adopts the cold energy ring and the hot energy ring which are parallel to supply cold and heat for users in the region; meanwhile, the cold energy ring and the hot energy ring can be interactively shared, waste heat of the cold energy ring can be transmitted to the hot energy ring, waste cold of the hot energy ring can be transmitted to the cold energy ring, and the waste cold and the waste heat can be effectively utilized.
Drawings
Fig. 1 is a schematic diagram of the main structure of a cold and hot energy ring energy supply system of a regional energy source of the invention.
Fig. 2 is a schematic view of the main structure of the cold charging station of the present invention.
Fig. 3 is a schematic view of the main structure of the charging station of the present invention.
Fig. 4 is a schematic view of the main structure of a cold and hot energy ring power supply system of a regional energy source according to another embodiment of the present invention.
Fig. 5 is a schematic view of a connection structure of the charging station and the solar water heater of the present invention.
Detailed Description
Referring to fig. 1 to 3, fig. 1 to 3 schematically illustrate a cold and hot energy ring power system for regional power provided by the present invention. The present invention provides a district energy cold and hot energy ring power supply system comprising a cold energy ring subsystem 10 and a hot energy ring subsystem 20.
The cold energy ring subsystem 10 includes a cold charging station 11, a cold energy transfer pipe 12, and a cold user 13. The cold filling station 11 comprises a refrigerating device 111 and a waste cold recovery device 112 (as shown in fig. 2), wherein a water outlet of the refrigerating device 111 is connected with one end of the cold energy conveying pipeline 12, the other end of the cold energy conveying pipeline 12 is connected with a water inlet of the waste cold recovery device 112, a water inlet of the cold device 13 is connected with the cold energy conveying pipeline 12, and the cold device 13 is used for consuming cold energy and generating heat energy. The refrigerating apparatus 111 may be a ground source heat pump or a water source heat pump or an ice bank refrigerating unit, which is an apparatus capable of manufacturing cold energy. That is, the cold source of the cold energy ring subsystem 10 may be in the form of ground source, water source, valley electricity, ice storage, etc. The water containing cold energy produced by the refrigeration equipment 111 flows into the cold energy transfer pipe 12 through its water outlet. When the refrigeration equipment 13 is an ice storage refrigeration unit, the ice is made and stored by using valley electricity, and the cold energy is released by using a heat exchanger when the peak electricity is generated, and a water outlet of the heat exchanger is connected with a cold energy conveying pipeline. The cold energy in the cold energy transmission pipeline 12 is obtained by the cold equipment 13 through the heat exchanger and is transmitted to devices such as a fan coil and an air conditioner of a cold user 30, and the heat energy is generated after the cold energy is consumed. The water outlet of the cold-using device 13 is connected with the heat energy transmission pipeline 12.
Referring to fig. 4, the user cooling device 13 may be a cooling station 131. The cooling station 131 obtains cold energy from the cold energy transmission pipeline 12 and transmits the cold energy to the cold user 30, the water recovered by the cooling station 131 contains hot energy, and the cooling station 131 is provided with a water outlet and transmits the recovered water to the heat energy transmission pipeline 22. The location and number of cooling stations 131 may be adjusted according to the needs of the cooling user 30. The cooling user 30 can perform cooling from the cooling station 131 at any time. Adjustable valves may be installed on each trunk of the cold energy ring system 10 to facilitate installation and maintenance of the equipment in the event of a failure or other emergency.
The waste cold recovery apparatus 112 is connected to the refrigerating apparatus 111, and recovers waste cold from the cold energy transfer pipe 12 and transfers the generated cold energy to the refrigerating apparatus 111. Be equipped with the actuating pump 40 and moisturizing level pressure equipment 50 on cold energy pipeline 12, the actuating pump 40 provides the drive for the water in the cold energy pipeline 12, makes to include cold energy water entering cold energy pipeline 12, and moisturizing level pressure equipment 50 carries out the level pressure for cold energy pipeline 12, and moisturizing level pressure equipment 50 can be level pressure expansion tank.
The thermal energy ring subsystem 20 includes a charging station 21, a thermal energy delivery conduit 22, and a heat consumer 23. The heating station 21 includes a heating device 211 and a waste heat recovery device 212 (as shown in fig. 3), a water outlet of the heating device 211 is connected to one end of the heat energy transmission pipeline 22, the other end of the heat energy transmission pipeline 22 is connected to a water inlet of the waste heat recovery device 212, a water inlet of the heat device 23 is connected to the heat energy transmission pipeline 22, and the heat device 23 is used for consuming heat energy and generating cold energy. The heating apparatus 211 includes a ground source heat pump or a water source heat pump, and is an apparatus capable of manufacturing heat energy. That is, the heat source of the thermal energy ring subsystem 20 may be in the form of low grade heat, waste heat, light heat, valley electricity. The water containing thermal energy generated by the heating apparatus 211 enters the thermal energy transfer pipe 22 through its water outlet. The heat utilization equipment 23 obtains heat energy in the heat energy transmission pipeline 22 through the heat exchanger, and transmits the heat energy to a radiator, an air conditioner and other devices of the heat user 60, and cold energy is generated after the heat energy is consumed. The water outlet of the heat utilization device 23 is connected with the cold energy transmission pipeline 22.
Referring to fig. 4, the heat using device 23 may be a heat taking station 231. The heat taking station 231 obtains heat energy from the heat energy conveying pipeline 22 and conveys the heat energy to the heat user 60, water recovered by the heat taking station 231 contains cold energy, and the heat taking station 231 is provided with a water outlet and conveys the recovered water to the cold energy conveying pipeline 22. The location and number of the heat extraction stations 231 may be adjusted according to the needs of the hot user 60. The heat consumer 60 can take heat from the heat station 231 at any time. Each trunk of the thermal energy ring subsystem 20 is equipped with an adjustable valve to facilitate installation and maintenance of the equipment in the event of a fault or other emergency.
The waste heat recovery device 212 is connected to the heating device 211, and is configured to recover waste heat from the thermal energy transmission pipe 22 and transmit generated thermal energy to the heating device 211. Be equipped with actuating pump 40 and moisturizing level pressure equipment 50 on heat energy pipeline 22, actuating pump 40 provides the drive for the water in the heat energy pipeline 22, makes to include heat energy water gaging entering heat energy pipeline 22, and moisturizing level pressure equipment 50 carries out the level pressure for heat energy pipeline 22, and moisturizing level pressure equipment 50 can be the level pressure expansion tank.
Referring to fig. 5, the system for supplying hot and cold energy to the regional energy source may further include the solar water heater 70, and the solar water heater 70 is connected to the heating preparation 211 to supply hot water to the heating device 111.
The cold and hot energy ring energy supply system of the regional energy provided by the invention adopts the cold energy ring and the hot energy ring which are parallel to supply cold and heat for users in the region; meanwhile, the cold energy ring and the hot energy ring can be interactively shared, waste heat of the cold energy ring can be transmitted to the hot energy ring, waste cold of the hot energy ring can be transmitted to the cold energy ring, and the waste cold and the waste heat can be effectively utilized. And the comprehensive efficiency of regional energy is improved.
The heat energy ring subsystem can adopt various heat source forms, and the heat source forms can be mutually connected, mutually coordinated, mutually standby and optimally operated. When the thermal energy ring subsystem is started, a heat source with low energy consumption, high efficiency and good economy can be started firstly on the premise of ensuring the heat supply load, and by adopting the mode, the utilization rate of energy can be improved, the optimal configuration between the heat source and the system is achieved, the cost of repeated construction is reduced, and the economic and energy-saving effects are achieved.
The above description is of the preferred embodiment of the present invention and the technical principles applied thereto, and it will be apparent to those skilled in the art that any changes and modifications based on the equivalent changes and simple substitutions of the technical solutions of the present invention are within the protection scope of the present invention without departing from the spirit and scope of the present invention.
Claims (8)
1. A cold and hot energy ring energy supply system of regional energy sources is characterized in that the system comprises a cold energy ring subsystem and a hot energy ring subsystem,
the cold energy ring subsystem comprises a cold filling station, a cold energy conveying pipeline and cold using equipment, wherein the cold filling station comprises refrigerating equipment and waste cold recovery equipment, a water outlet of the refrigerating equipment is connected with one end of the cold energy conveying pipeline, the other end of the cold energy conveying pipeline is connected with a water inlet of the waste cold recovery equipment, a water inlet of the cold using equipment is connected with the cold energy conveying pipeline, and the cold using equipment is used for consuming cold energy and generating heat energy;
the heat energy ring subsystem comprises a heat charging station, a heat energy conveying pipeline and a heat utilization device, the heat charging station comprises a heating device and a waste heat recovery device, a water outlet of the heating device is connected with one end of the heat energy conveying pipeline, the other end of the heat energy conveying pipeline is connected with a water inlet of the waste heat recovery device, a water inlet of the heat utilization device is connected with the heat energy conveying pipeline, and the heat utilization device is used for consuming heat energy and generating cold energy;
the water outlet of the cold equipment is connected with the heat energy conveying pipeline, and the water outlet of the hot equipment is connected with the cold energy conveying pipeline.
2. The system of claim 1, wherein the refrigeration unit comprises a ground source heat pump, a water source heat pump, or an ice bank refrigeration unit.
3. The district energy cold heat energy ring power supply system as claimed in claim 2, wherein said waste cold recovery apparatus is connected to a refrigerating apparatus for recovering waste cold from said cold energy transfer duct and transferring the generated cold energy to the refrigerating apparatus.
4. The system of claim 1, wherein the heating facility comprises a ground source heat pump or a water source heat pump.
5. The system according to claim 4, wherein the waste heat recovery device is connected to a heating device for recovering waste heat from the heat energy transmission pipe and transmitting the generated heat energy to the heating device.
6. The system according to claim 5, further comprising said solar water heater, said solar water heater being connected to said heating preparation for providing hot water to said heating device.
7. The system of claim 1, wherein the cold energy transfer pipe and the hot energy transfer pipe are provided with a drive pump and a water-replenishing constant pressure device.
8. The district energy cold and hot energy ring power system as claimed in claim 7, wherein said water replenishment constant pressure device comprises a constant pressure expansion tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010257589.9A CN111336628A (en) | 2020-04-03 | 2020-04-03 | Cold and hot energy ring energy supply system of regional energy source |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010257589.9A CN111336628A (en) | 2020-04-03 | 2020-04-03 | Cold and hot energy ring energy supply system of regional energy source |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111336628A true CN111336628A (en) | 2020-06-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010257589.9A Pending CN111336628A (en) | 2020-04-03 | 2020-04-03 | Cold and hot energy ring energy supply system of regional energy source |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112628900A (en) * | 2021-01-21 | 2021-04-09 | 中国建筑西北设计研究院有限公司 | Regional cooling system based on partitioned energy source station |
-
2020
- 2020-04-03 CN CN202010257589.9A patent/CN111336628A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112628900A (en) * | 2021-01-21 | 2021-04-09 | 中国建筑西北设计研究院有限公司 | Regional cooling system based on partitioned energy source station |
| CN112628900B (en) * | 2021-01-21 | 2022-02-22 | 中国建筑西北设计研究院有限公司 | Regional cooling system based on partitioned energy source station |
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