CN210512243U - Multi-energy complementary type centralized energy supply system - Google Patents
Multi-energy complementary type centralized energy supply system Download PDFInfo
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- CN210512243U CN210512243U CN201921440060.XU CN201921440060U CN210512243U CN 210512243 U CN210512243 U CN 210512243U CN 201921440060 U CN201921440060 U CN 201921440060U CN 210512243 U CN210512243 U CN 210512243U
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- 230000000295 complement effect Effects 0.000 title claims abstract description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 89
- 239000000779 smoke Substances 0.000 claims abstract description 33
- AMXOYNBUYSYVKV-UHFFFAOYSA-M lithium bromide Chemical group [Li+].[Br-] AMXOYNBUYSYVKV-UHFFFAOYSA-M 0.000 claims abstract description 30
- 238000002485 combustion reaction Methods 0.000 claims abstract description 26
- 238000004378 air conditioning Methods 0.000 claims description 15
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000005265 energy consumption Methods 0.000 abstract description 6
- 238000001816 cooling Methods 0.000 abstract description 5
- 238000010438 heat treatment Methods 0.000 abstract description 4
- 239000007789 gas Substances 0.000 description 44
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 11
- 239000003546 flue gas Substances 0.000 description 11
- 230000005611 electricity Effects 0.000 description 9
- 230000000694 effects Effects 0.000 description 5
- 239000002699 waste material Substances 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- 239000002918 waste heat Substances 0.000 description 4
- 230000008676 import Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000002352 surface water Substances 0.000 description 1
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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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/30—Use of alternative fuels, e.g. biofuels
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- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
The utility model discloses a multi-energy complementary type centralized energy supply system, which mainly comprises three subsystems, namely a power supply system, a cooling system and a heating system, wherein the power supply system mainly comprises a gas internal combustion engine set and a municipal power grid and mainly aims at supplying power to all equipment of the whole system; the heat supply system consists of a water source heat pump unit, a smoke type lithium bromide unit, a water storage tank and a gas-fired hot water boiler, and mainly aims to provide heat source service for energy consumption units. The utility model discloses multiple energy form is complementary, and energy supply stability is good, strong adaptability, and the range of application is wide.
Description
Technical Field
The present invention relates to an energy supply system, and more particularly, to a multi-energy complementary type concentrated energy supply system.
Background
Starting from the birth of a centralized energy supply technology, common technical forms such as a surface water source heat pump, an air-cooled heat pump, a soil source heat pump, combined cooling heating and power supply and the like are adopted, and many centralized energy supply projects only adopt one technical form, so that the energy supply stability is poor. With diversification of building models and complication of energy consumption units in energy supply areas, high requirements are made on energy supply stability, and therefore a multi-energy complementary type centralized energy supply system is rapidly developed. The multi-energy complementary type centralized energy supply system has the advantages of being good in energy supply stability, strong in adaptability and wide in application range due to the adoption of various technical forms.
Disclosure of Invention
1. Technical problem to be solved by the utility model
An object of the utility model is to provide an energy supply system is concentrated to multipotency complementary type, adopts the utility model discloses a technical scheme, simple structure, it is convenient to connect, and multiple energy form is complementary, and energy supply stability is good, strong adaptability, and the range of application is wide.
2. Technical scheme
In order to achieve the above purpose, the utility model provides a technical scheme does:
the utility model discloses a multi-energy complementary type centralized energy supply system, including water source heat pump set and the gas internal combustion engine group that supplies power for each equipment of whole system, the gas entry of gas internal combustion engine group and the afterburning combustor in the flue gas type lithium bromide unit all insert municipal gas pipeline through the gas pipeline, wherein the generating set in the gas internal combustion engine group is connected with municipal power grid through transmission line; the high-temperature smoke outlet of the gas internal combustion engine unit is communicated with the smoke inlet of the smoke type lithium bromide unit through a smoke pump; the cold/hot water outlet of the smoke type lithium bromide unit is respectively communicated with the inlet of the air-conditioning circulating pump and the inlet of the water storage tank through a first electric three-way valve, the cold/hot water outlet of the water source heat pump unit is respectively communicated with the inlet of the air-conditioning circulating pump and the inlet of the water storage tank through a second electric three-way valve, and the outlet of the water storage tank is connected with the inlet of the air-conditioning circulating pump through a first electric two-way valve; the outlet of the air-conditioning circulating pump is connected with the inlet of a plate heat exchanger for supplying energy to a user unit, and the outlet of the plate heat exchanger is respectively connected with a water source heat pump unit and a smoke type lithium bromide unit.
Furthermore, the system also comprises a gas-fired hot water boiler, wherein a gas inlet of the hot water boiler is connected to a municipal gas pipeline through a gas pipeline; and a cold/hot water outlet of the hot water boiler is connected with an inlet of the plate heat exchanger through the second electric two-way valve and the air-conditioning circulating pump, and an outlet of the plate heat exchanger is connected with the gas-fired hot water boiler.
3. Advantageous effects
Adopt the technical scheme provided by the utility model, compare with existing well-known technique, have following beneficial effect:
(1) the utility model discloses a multi-energy complementary type centralized energy supply system, the gas entry of its gas internal combustion engine group inserts municipal gas pipeline through the gas pipeline, makes can drive generating set electricity generation in the gas internal combustion engine group, utilizes the gas, makes the electric energy that generating set of gas internal combustion engine group produced can supply power for each equipment in the centralized energy supply system, and unnecessary electric energy also can merge the municipal electric wire netting into, increases the operation income;
(2) the utility model discloses a multi-energy complementary type centralized energy supply system, its gas internal-combustion engine set's high temperature outlet flue communicates with the smoke inlet of flue gas type lithium bromide unit through the flue gas pump, adopts flue gas type lithium bromide unit to make full use of the high temperature waste heat that gas internal-combustion engine set produced, has effectively prevented the energy waste;
(3) the utility model discloses a multi-energy complementary type centralized energy supply system, the cold/hot water export another way of its flue gas type lithium bromide unit and the cold/hot water export another way of water source heat pump unit are communicated with the import of water storage tank, the export of water storage tank is communicated with the import of air conditioner circulating pump through first electronic two-way valve, night gas internal combustion engine group can normal operating, the high temperature waste heat flue gas that its produced is continuous, flue gas type lithium bromide unit can produce a large amount of hot and cold water in continuous operation, and the demand of energy consumption unit is relatively less night, therefore the hot and cold water that the storage flue gas type lithium bromide unit produced is crucial, control first electronic three-way valve makes the water storage tank store the unnecessary cold/hot water that flue gas type lithium bromide unit produced night, open first electronic two-way valve daytime and carry out heat supply or cold supply, avoid extravagant, because the water storage tank is arranged, the water storage tank supplies cold/heat together with other energy equipment at the peak load time period, and the cold/heat can be supplied independently at the valley load time period without starting the host equipment, so that the peak clipping and valley filling effects are achieved, the energy equipment configuration amount is reduced, the host equipment starting frequency is reduced, and the cost reduction and efficiency improvement effects are finally achieved;
(4) the utility model discloses a multi-energy complementary type centralized energy supply system, it is in the area of implementing peak valley price of electricity, because the electric charge is cheap night, therefore each host computer equipment all can be in operation work night, produce unnecessary cold/hot water and can distribute for the storage tank and store, use low price electricity storage cold/heat quantity when night like this, utilize the storage tank to carry out cooling or heat supply when daytime, reduce the power consumption of high price electricity period host computer, thereby practice thrift the electric charge, reduce the system running cost, realize the operational benefits;
(5) the utility model discloses an energy supply system is concentrated to multipotency complementary type, it still includes boiler, and boiler is as reserve heat source, under the unable condition of operation of water source heat pump under the extreme weather operating mode in electric power is deficient or winter, opens the electronic two-way valve of second, utilizes the gas to pass through boiler and plate heat exchanger and gives the heat supply for the user.
Drawings
Fig. 1 is a connection diagram of a multi-energy complementary concentrated energy supply system according to the present invention.
The reference numerals in the schematic drawings illustrate: 1. a gas internal combustion engine set; 2. a flue gas type lithium bromide unit; 3. a flue gas pump; 4. a municipal gas pipeline; 5. an air-conditioning circulation pump; 6. a second electric three-way valve; 7. a water storage tank; 8. a first electric three-way valve; 9. a plate heat exchanger; 10. a hot water boiler; 11. a second electrically powered two-way valve; 12. a water source heat pump unit; 13. a first electrically powered two-way valve; 14. municipal power grids.
Detailed Description
For a further understanding of the present invention, reference will be made to the following detailed description taken in conjunction with the accompanying drawings and examples.
Examples
With reference to fig. 1, the multi-energy complementary centralized energy supply system of the embodiment mainly includes three subsystems, i.e., a power supply system, a cooling system, and a heating system, wherein the power supply system mainly includes a gas internal combustion engine set 1 and a municipal power grid 14, and mainly aims to supply power to each device of the whole system, wherein electric energy generated by the power set in the gas internal combustion engine set 1 can supply power to each device of the whole system, and redundant electric energy can be incorporated into the municipal power grid; the cooling system mainly comprises a water source heat pump unit 12, a smoke type lithium bromide unit and a water storage tank 7, and the working principle is as follows: when the power supply system normally operates, low-temperature water generated by the normal operation of the water source heat pump unit 12 and the smoke type lithium bromide unit is introduced into the plate heat exchanger 9 through the air-conditioning circulating pump 5 to exchange heat, so that cold source service is provided for energy consumption units, and low-temperature water generated by the normal operation of the water source heat pump unit 12 and the smoke type lithium bromide unit is partially stored in the water storage tank 7 at night so as to be used in the daytime and avoid waste; the heating system mainly comprises a water source heat pump unit 12, a smoke type lithium bromide unit, a water storage tank 7 and a gas-fired hot water boiler 10, and the working principle is as follows: under the normal operation of a power supply system, high-temperature water generated by the normal operation of the water source heat pump unit 12 and the smoke type lithium bromide unit is introduced into the plate heat exchanger 9 through the air conditioner circulating pump 5 to exchange heat, so that heat source service is provided for energy consumption units, and at night, part of the high-temperature water generated by the normal operation of the water source heat pump unit 12 and the smoke type lithium bromide unit is stored in the water storage tank 7 so as to be used in the daytime and avoid waste, and in addition, under the condition of electric power shortage or extreme weather working conditions in winter or the condition that the water source heat pump cannot operate, the gas hot water boiler 10 is used to enable high-temperature water generated by the gas hot water boiler 10 to be introduced into the plate heat exchanger 9 through the air conditioner circulating pump 5 to;
the specific connection relationship of the three subsystems is as follows: the gas inlet of the gas internal combustion engine set 1 and the burner for afterburning in the smoke type lithium bromide unit 2 are connected to the municipal gas pipeline 4 through gas pipelines, wherein the generator set in the gas internal combustion engine set 1 is connected with the municipal power grid 14 through a power transmission line and can drive the generator set in the gas internal combustion engine set to generate power, and by using the gas, the electric energy generated by the generator set of the gas internal combustion engine set can supply power to each device in the centralized energy supply system, and the redundant electric energy can be also merged into the municipal power grid, so that the operation benefit is increased; the high-temperature smoke outlet of the gas internal combustion engine set 1 is communicated with the smoke inlet of the smoke type lithium bromide unit 2 through the smoke pump 3, and the smoke type lithium bromide unit is adopted to fully utilize the high-temperature waste heat generated by the gas internal combustion engine set, so that the energy waste is effectively prevented; the cold/hot water outlet of the smoke type lithium bromide unit 2 is respectively communicated with the inlet of an air-conditioning circulating pump 5 and the inlet of a water storage tank 7 through a first electric three-way valve 8, the gas internal combustion engine unit can normally operate at night, high-temperature waste heat smoke generated by the gas internal combustion engine unit is continuous, the smoke type lithium bromide unit can generate a large amount of cold and hot water in continuous operation, and the demand of energy consumption units at night is relatively small, so that cold and hot water generated by the smoke type lithium bromide unit is stored, the first electric three-way valve is controlled at night to enable the water storage tank to store redundant cold/hot water generated by the smoke type lithium bromide unit, the first electric two-way valve is opened for heat supply or cold supply in daytime, waste is avoided, due to the arrangement of the water storage tank, the water storage tank supplies cold/heat together with other energy equipment at peak load time, and can supply cold/heat alone at low, therefore, the peak clipping and valley filling effects are achieved, the configuration amount of energy equipment is reduced, the starting frequency of host equipment is reduced, and the cost reduction and the efficiency improvement effects are finally achieved; the cold/hot water outlet of the water source heat pump unit 12 is respectively communicated with the inlet of the air conditioner circulating pump 5 and the inlet of the water storage tank 7 through the second electric three-way valve 6, the outlet of the water storage tank 7 is connected with the inlet of the air conditioner circulating pump 5 through the first electric two-way valve 13, in the area where peak and valley electricity prices are implemented, because the electricity fee is low at night, all host equipment can run at night, and the generated redundant cold/hot water can be distributed to the water storage tank for storage, so that the low-price electricity is used for storing cold/heat at night, the water storage tank is used for supplying cold or heat at daytime, the power consumption of the host at high-price electricity time is reduced, the electricity fee is saved, the system running cost is reduced, and the operation benefit is realized; the outlet of the air-conditioning circulating pump 5 is connected with the inlet of a plate heat exchanger 9 for supplying energy to a user unit, and the outlet of the plate heat exchanger 9 is respectively connected with a water source heat pump unit 12 and a smoke type lithium bromide unit 2;
the utility model discloses a multi-energy complementary type centralized energy supply system, which also comprises a gas-fired hot water boiler 10, wherein a gas inlet of the hot water boiler 10 is connected with a municipal gas pipeline 4 through a gas pipeline; the cold/hot water outlet of the hot water boiler 10 is connected with the inlet of the plate heat exchanger 9 through the second electric two-way valve 11 and the air-conditioning circulating pump 5, the outlet of the plate heat exchanger 9 is connected with the gas hot water boiler 10, the hot water boiler is used as a standby heat source, under the condition that the water source heat pump cannot operate under the working condition of electric power shortage or extreme weather working conditions in winter, the second electric two-way valve 11 is opened, and heat is supplied to users through the hot water boiler and the plate heat exchanger by using gas.
The utility model discloses a multi-energy complementary type centralized energy supply system, it is convenient to connect, and multiple energy form is complementary, and energy supply stability is good, strong adaptability, and the range of application is wide
The present invention and its embodiments have been described above schematically, and the description is not limited thereto, and what is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. Therefore, if the person skilled in the art receives the teaching of the present invention, without departing from the inventive spirit of the present invention, the person skilled in the art should also design the similar structural modes and embodiments without creativity to the technical solution, and all shall fall within the protection scope of the present invention.
Claims (2)
1. A multi-energy complementary type centralized energy supply system is characterized in that: the system comprises a water source heat pump unit (12) and a gas internal combustion engine unit (1) for supplying power to all equipment of the whole system, wherein a gas inlet of the gas internal combustion engine unit (1) and a burner for afterburning in a smoke type lithium bromide unit (2) are connected into a municipal gas pipeline (4) through gas pipelines, and a generator set in the gas internal combustion engine unit (1) is connected with a municipal power grid (14) through a power transmission line; the high-temperature smoke outlet of the gas internal combustion engine unit (1) is communicated with the smoke inlet of the smoke type lithium bromide unit (2) through a smoke pump (3); a cold/hot water outlet of the smoke type lithium bromide unit (2) is respectively communicated with an inlet of an air-conditioning circulating pump (5) and an inlet of a water storage tank (7) through a first electric three-way valve (8), a cold/hot water outlet of a water source heat pump unit (12) is respectively communicated with an inlet of the air-conditioning circulating pump (5) and an inlet of the water storage tank (7) through a second electric three-way valve (6), and an outlet of the water storage tank (7) is connected with an inlet of the air-conditioning circulating pump (5) through a first electric two-way valve (13); the outlet of the air-conditioning circulating pump (5) is connected with the inlet of a plate heat exchanger (9) for supplying energy to a user unit, and the outlet of the plate heat exchanger (9) is respectively connected with a water source heat pump unit (12) and a smoke type lithium bromide unit (2).
2. The system according to claim 1, wherein: the water heater also comprises a gas-fired hot water boiler (10), wherein a gas inlet of the hot water boiler (10) is connected to a municipal gas pipeline (4) through a gas pipeline; and a cold/hot water outlet of the hot water boiler (10) is connected with an inlet of the plate heat exchanger (9) through the second electric two-way valve (11) and the air-conditioning circulating pump (5), and an outlet of the plate heat exchanger (9) is connected with the gas-fired hot water boiler (10).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921440060.XU CN210512243U (en) | 2019-09-02 | 2019-09-02 | Multi-energy complementary type centralized energy supply system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921440060.XU CN210512243U (en) | 2019-09-02 | 2019-09-02 | Multi-energy complementary type centralized energy supply system |
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| CN210512243U true CN210512243U (en) | 2020-05-12 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112963989A (en) * | 2021-03-30 | 2021-06-15 | 上海电力大学 | Multi-energy complementary centralized energy supply station with water source heat pump and gas-fired boiler coupled |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112963989A (en) * | 2021-03-30 | 2021-06-15 | 上海电力大学 | Multi-energy complementary centralized energy supply station with water source heat pump and gas-fired boiler coupled |
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