CN215113326U - Novel multi-energy complementary cold and heat source process system - Google Patents
Novel multi-energy complementary cold and heat source process system Download PDFInfo
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- CN215113326U CN215113326U CN202120174519.7U CN202120174519U CN215113326U CN 215113326 U CN215113326 U CN 215113326U CN 202120174519 U CN202120174519 U CN 202120174519U CN 215113326 U CN215113326 U CN 215113326U
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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
- 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]
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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
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Abstract
The utility model discloses a novel complementary cold and heat source process systems of multipotency, a serial communication port, include: the system comprises a gas combined cooling heating and power system, an electric refrigerating system, an air source heat pump system and a user side, wherein the gas combined cooling heating and power system comprises a gas generator set, a flue gas waste heat utilization unit connected with the gas generator set and a cooling tower connected with the flue gas waste heat utilization unit; the electric refrigerating system comprises an electric refrigerating unit and a cooling tower connected with the electric refrigerating unit; the air source heat pump system comprises an air source heat pump unit, and the flue gas waste heat utilization unit, the electric refrigerating unit and the air source heat pump unit are connected with the user side; the system has high energy utilization efficiency, high energy saving performance and good environmental protection benefit; the systems are complementary, and when one system has a problem, the other system can still operate normally.
Description
Technical Field
The utility model relates to an energy engineering field, more specifically relate to a novel cold and hot source process systems of multipotency complementation.
Background
In the world, while the economy develops at a high speed, the pressure on energy and environment is continuously increased, and particularly in the aspect of energy consumption in the fields of buildings, aviation, industry and the like, the continuous improvement of the requirements of people on the environment and the continuous development of production processes bring about the problems of large energy consumption and environmental pollution. Due to the existence of energy crisis, the requirement of human beings on energy consumption is higher and higher, and high energy efficiency, high energy conservation and high environmental protection are pursued.
Among various energy consumption systems, cooling and heating systems occupy a certain proportion, and along with the continuous improvement of energy-saving requirements of various countries, higher requirements are provided for the design of cooling and heating energy systems. However, the traditional cooling and heating system is relatively simple and single, cannot fully utilize the available part of the traditional energy, and less adopts a renewable energy system.
In recent years, along with the construction and development of industrial parks in China, the popularization of micro-grid and new energy power generation and the continuous upgrade of new investment modes, the concept of paying attention to reliable technology and economic return is deepened. In order to meet the requirements under new supply and demand situations, the development of a terminal integrated energy supply system and a wind, light, water, fire and energy storage multi-energy complementary system under the multi-energy complementary concept becomes a great choice. China has wide territory, rich and various natural environments and rich hydraulic resources, and resources such as water sources, soil sources, industrial waste heat, solar energy and the like can be used as cold and heat sources.
Therefore, new energy utilization techniques and devices are needed to overcome the problems of the prior art.
SUMMERY OF THE UTILITY MODEL
In order to overcome the not enough of existence among the prior art, the utility model provides a novel complementary cold and heat source process systems of multipotency aims at improving energy system efficiency, increases effective supply, satisfies reasonable demand, drives the effective investment, promotes economic stable growth.
More specifically, the utility model provides a novel cold and heat source process systems of multipotency complementation, its characterized in that includes: a gas combined cooling heating and power system, an electric refrigeration system, an air source heat pump system and a user side,
the gas cooling, heating and power combined supply system comprises a gas generator set, a flue gas waste heat utilization unit connected with the gas generator set and a cooling tower connected with the flue gas waste heat utilization unit; the electric refrigerating system comprises an electric refrigerating unit and a cooling tower connected with the electric refrigerating unit; the air source heat pump system comprises an air source heat pump unit, and the flue gas waste heat utilization unit, the electric refrigerating unit and the air source heat pump unit are connected with the user side.
According to the utility model discloses an embodiment, flue gas waste heat utilization unit includes condenser, evaporimeter, generator and absorber.
According to an embodiment of the present invention, the electric refrigerator set includes a condenser and an evaporator.
According to an embodiment of the present invention, the air source heat pump unit includes a condenser and an evaporator.
According to the utility model discloses an embodiment, the complementary cold and heat source process systems of multipotency still includes the boiler, the boiler is connected with the user side directly or is connected with the user side through the heat exchanger.
According to an embodiment of the present invention, the boiler is a gas boiler or an oil boiler.
The system selects clean energy, fully utilizes renewable energy, can recycle waste heat in the system, and has a plurality of advantages, such as good energy-saving effect, meeting the requirement of environmental protection and complementation of various energy forms.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other technical solutions can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a novel multi-energy complementary cold and heat source process system according to an embodiment of the present invention.
Fig. 2 is a schematic structural diagram of a heat supply system in a novel multi-energy complementary cold and heat source process system structure according to an embodiment of the present invention.
Fig. 3 is a schematic structural diagram of a cooling system in a novel multi-energy complementary cold and heat source process system structure according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the following will explain in detail each embodiment of the present invention with reference to the accompanying drawings. However, it will be appreciated by those of ordinary skill in the art that in various embodiments of the invention, numerous technical details are set forth in order to provide a better understanding of the present application. However, the technical solutions claimed in the claims of the present application can be implemented without these technical details and with various changes and modifications based on the following embodiments.
Fig. 1 is a schematic structural diagram of a novel multi-energy complementary cold and heat source process system according to an embodiment of the present invention. Fig. 2 is a schematic structural diagram of a heat supply system in a novel multi-energy complementary cold and heat source process system structure according to an embodiment of the present invention. Fig. 3 is a schematic structural diagram of a cooling system in a novel multi-energy complementary cold and heat source process system structure according to an embodiment of the present invention.
Referring to fig. 1 to 3, the multi-energy complementary cold and heat source process system of the present embodiment may include a gas combined cooling heating and power system, an electric refrigeration system, an air source system, a boiler, a heat exchanger, and a user side, wherein the gas combined cooling heating and power system includes a gas generator set, a flue gas waste heat utilization set connected to the gas generator set, and a cooling tower connected to the flue gas waste heat utilization set; the electric refrigerating system can comprise an electric refrigerating unit and a cooling tower connected with the electric refrigerating unit; the air source heat pump system can comprise an air source heat pump unit and other auxiliary equipment, and the flue gas waste heat utilization unit, the electric refrigerating unit and the air source heat pump unit are connected with the user side. The boiler is connected with the user end through a heat exchanger (plate exchange system). The flue gas waste heat utilization unit can comprise a condenser, an evaporator, a generator and an absorber. The electric refrigeration unit may include a condenser and an evaporator; the air source heat pump unit can comprise a condenser and an evaporator.
The matching operation of the multi-energy complementary cold and heat source process system of the present invention is further described in detail below.
(1) Gas combined cooling heating and power system
1. Power supply: the gas internal combustion generator generates power for self power consumption of the system, and the part with insufficient power supply can be supplemented by municipal power.
2. Cooling: the gas internal combustion generator set is in butt joint with the flue gas waste heat utilization unit, high-temperature flue gas of the generator enters the flue gas waste heat utilization unit to serve as a high-temperature generator heat source of the flue gas waste heat utilization unit, cylinder sleeve water serves as a low-temperature generator heat source of the flue gas waste heat utilization unit, and the flue gas waste heat utilization unit utilizes waste heat for cooling. When the residual heat is not enough, peak shaving refrigeration can be carried out through the air source heat pump unit and the electric refrigerator.
3. Heat supply: the gas internal combustion generator set is in butt joint with the flue gas waste heat utilization unit, high-temperature flue gas of the generator enters a high-temperature generator of the flue gas waste heat utilization unit to serve as a heat source of the high-temperature generator of the flue gas waste heat utilization unit, and the flue gas waste heat utilization unit utilizes the flue gas waste heat to supply hot water for an air conditioner. And the cylinder sleeve water exchanges heat with warm water backwater through the heat exchanger to provide the heating load requirement of the project air conditioner. When the waste heat is not enough, peak shaving heat supply can be carried out through the gas boiler.
(2) Electric refrigeration system
The conventional electric refrigerating system is composed of four parts, namely a compressor, an expansion valve, an evaporator and a condenser, and the principle is that a certain high-grade energy is input to the compressor, the compressor improves the grade of the energy through an equal moisture process, and the energy is transferred from a low-temperature body (the evaporator) to a high-temperature body (the condenser).
The refrigeration process is a reverse Carnot cycle, the specific process is that the low-temperature low-pressure refrigerant gas-liquid mixture in the evaporator absorbs the heat in the air-conditioning circulating water in the evaporator, the air-conditioning circulating water is cooled, the refrigerant absorbs heat and vaporizes to perform an isothermal and isobaric process, the refrigerant gas is sucked into a compressor after being changed into superheated gas at the outlet of the evaporator, the compressor promotes the refrigerant gas with low temperature and low pressure into the refrigerant gas with high temperature and high pressure under the action of electric drive (energy enters the high temperature body from the low temperature body), the refrigerant gas with high temperature and high pressure in the condenser transfers heat to cooling water, the cooling water is heated, the refrigerant is changed into refrigerant liquid with high temperature and high pressure after an isothermal and isobaric heat exchange process, after being properly subcooled, the refrigerant gas-liquid mixture is changed into a low-temperature and low-pressure refrigerant gas-liquid mixture through a throttling device and enters an evaporator, and then a refrigeration cycle is finished.
(3) Air source heat pump system
An air source heat pump is an energy-saving device which utilizes high-level energy to enable heat to flow from low-level heat source air to a high-level heat source. The air source heat pump system has no cooling water system, no cooling water consumption and no power consumption of the cooling water system, and the system is safe and reliable and has no pollution to the environment.
The process system combines the gas combined cooling heating and power, the renewable energy technology, the clean energy technology and the flue gas waste heat recycling technology, and designs a set of multi-energy complementary cold and heat source process system. The renewable energy air source heat pump and the flue gas waste heat of the gas generator are preferentially utilized as heat sources, so that the use of fossil energy is reduced, energy is saved, emission is reduced, and the environment is protected.
In winter, the gas combined cooling heating and power system is preferentially used for supplying heat (see fig. 2). The gas generator set is connected with the flue gas waste heat utilization heat pump set, high-temperature flue gas enters a high-temperature generator of the flue gas waste heat utilization heat pump set and directly supplies heat as a heat source of the high-temperature generator, and cylinder sleeve water can exchange heat with partial warm water backwater through the heat exchanger to provide project heating load requirements. When the waste heat is not enough, the gas boiler can be used for supplying heat. The fuel utilized by the gas boiler is clean energy, namely gas, and the boiler can be used at the end where high-temperature water (or steam) is supplied with high-temperature water (or steam) or used at the end where low-temperature water is supplied by replacing high-temperature water (or steam) with low-temperature water through a heat exchanger, such as an air conditioner end, a radiator end and the like. The system is also provided with a set of renewable energy system, namely an air source heat pump system, and the air source heat pump unit absorbs heat from the air source side during operation in winter to generate hot water for the air conditioner.
In summer, the gas combined cooling heating and power system is preferentially used for cooling (see fig. 3). The gas internal combustion generator set is in butt joint with the flue gas waste heat utilization unit, high-temperature flue gas of the generator enters the flue gas waste heat utilization unit to serve as a high-temperature generator heat source of the flue gas waste heat utilization unit, cylinder sleeve water serves as a low-temperature generator heat source of the flue gas waste heat utilization unit, and the flue gas waste heat utilization unit utilizes waste heat for cooling. When the residual heat is insufficient, the air-conditioning cold water can be provided for the tail end by utilizing a renewable energy source system, namely an air source heat pump system. When the refrigerating capacity is not enough, the peak shaving refrigeration can be carried out through the electric refrigerator.
The system preferentially utilizes the gas combined cooling heating and power system during operation, and when the gas combined cooling heating and power system is insufficient in cooling and heating, the gas boiler, the air source heat pump system and the electric refrigerator are adopted for cooling and heating according to the load change demand.
The utility model discloses a profitable technological effect, for example
(1) The three energy system forms can complement each other in a multi-energy mode to form a complementary function; clean energy, renewable energy and waste heat recovery technology are fully utilized, the energy efficiency for system arrangement is high, the energy conservation performance is good, and energy conservation and environmental protection are realized to the maximum extent.
(2) The comprehensive energy utilization efficiency can reach more than 90 percent, the heat supply cost using gas as fuel can be reduced, and the operation cost is reduced
(3) The distributed energy is adopted for cooling and heating, so that the comprehensive benefits of saving energy, improving the environment, increasing the power supply and the like are achieved, the urban air pollution treatment is facilitated, the comprehensive utilization rate of energy is improved, and the national sustainable development strategy is met.
(4) The system is complementary, and the energy utilization guarantee is good. When a problem occurs in one system, the other system can still operate normally.
In light of the above, it is to be understood that various changes and modifications may be made by the skilled practitioner without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (6)
1. A novel multi-energy complementary cold and heat source process system is characterized by comprising: a gas combined cooling heating and power system, an electric refrigeration system, an air source heat pump system and a user side,
the gas cooling, heating and power combined supply system comprises a gas generator set, a flue gas waste heat utilization unit connected with the gas generator set and a cooling tower connected with the flue gas waste heat utilization unit; the electric refrigerating system comprises an electric refrigerating unit and a cooling tower connected with the electric refrigerating unit; the air source heat pump system comprises an air source heat pump unit, and the flue gas waste heat utilization unit, the electric refrigerating unit and the air source heat pump unit are connected with the user side.
2. The multi-energy complementary cold and heat source process system according to claim 1, wherein the flue gas waste heat utilization unit comprises a condenser, an evaporator, a generator and an absorber.
3. The multiple energy complementary cold and heat source process system according to claim 1, wherein said electric chiller comprises a condenser and an evaporator.
4. The system of claim 1, wherein the air source heat pump unit comprises a condenser and an evaporator.
5. The multi-energy complementary cold and heat source process system according to claim 1, further comprising a boiler, wherein the boiler is connected to the user side directly or through a heat exchanger.
6. The multiple energy complementary cold and heat source process system according to claim 5, wherein said boiler is a gas boiler or an oil boiler.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120174519.7U CN215113326U (en) | 2021-01-22 | 2021-01-22 | Novel multi-energy complementary cold and heat source process system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120174519.7U CN215113326U (en) | 2021-01-22 | 2021-01-22 | Novel multi-energy complementary cold and heat source process system |
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| CN215113326U true CN215113326U (en) | 2021-12-10 |
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| CN202120174519.7U Active CN215113326U (en) | 2021-01-22 | 2021-01-22 | Novel multi-energy complementary cold and heat source process system |
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- 2021-01-22 CN CN202120174519.7U patent/CN215113326U/en active Active
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