CN211475889U - Total heat recovery gas cogeneration system - Google Patents
Total heat recovery gas cogeneration system Download PDFInfo
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- CN211475889U CN211475889U CN201922188941.3U CN201922188941U CN211475889U CN 211475889 U CN211475889 U CN 211475889U CN 201922188941 U CN201922188941 U CN 201922188941U CN 211475889 U CN211475889 U CN 211475889U
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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
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/14—Combined heat and power generation [CHP]
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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
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/30—Technologies for a more efficient combustion or heat usage
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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
- Y02T10/12—Improving ICE efficiencies
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Abstract
A total heat recovery gas cogeneration system comprises a gas internal combustion engine unit, a waste heat steam boiler, a high-temperature water plate type heat exchanger, a low-temperature water plate type heat exchanger, a high-temperature water tank, a low-temperature water tank, a heat storage water tank, a grid-connected power distribution cabinet, a steam distribution cylinder and a vacuum heat insulation pipeline; the high-temperature water output end of the gas internal combustion engine set is connected with the input end of the high-temperature water plate type heat exchanger, and the low-temperature water output end of the gas internal combustion engine set is connected with the input end of the low-temperature water plate type heat exchanger; the output end of the high-temperature water plate type heat exchanger is connected with the input end of the high-temperature water tank; the output end of the low-temperature water plate type heat exchanger is connected with the input end of the low-temperature water tank; the output ends of the high-temperature water tank and the low-temperature water tank are both connected with the heat storage water tank; in the utility model, a heat dissipation cooling tower is not needed, and the initial investment of the system is reduced; the stable operation time of the system is increased by arranging the heat storage water tank; and a vacuum heat insulation pipeline is adopted, so that the energy utilization rate is improved.
Description
Technical Field
The utility model relates to a cogeneration system field especially relates to a full heat recovery gas cogeneration system.
Background
The combined cooling heating and power system is an energy supply system which takes gas as energy and utilizes hot water and high-temperature waste gas generated by the gas to meet the cold-heat-electricity requirements.
SUMMERY OF THE UTILITY MODEL
Objects of the invention
In order to solve the technical problems existing in the background technology, the utility model provides a total heat recovery gas cogeneration system, which can continuously perform heat storage operation after a high-temperature water tank and a low-temperature water tank are full through arranging a heat storage water tank, thereby increasing the stable operation time of the system; and a vacuum heat insulation pipeline is adopted, so that the heat loss of a pipe network is reduced, and the primary energy utilization rate of the system is improved.
(II) technical scheme
The utility model provides a total heat recovery gas cogeneration system, which comprises a gas internal combustion engine unit, a waste heat steam boiler, a high-temperature water plate type heat exchanger, a low-temperature water plate type heat exchanger, a high-temperature water tank, a low-temperature water tank, a heat storage water tank, a grid-connected power distribution cabinet, a steam distribution cylinder and a vacuum heat insulation pipeline;
the electric energy output end of the gas internal combustion engine set is connected to a power distribution network through a grid-connected power distribution cabinet, and the power distribution network is connected with a power consumer; the waste heat output end of the gas internal combustion engine unit is connected with the input end of the waste heat steam boiler, the high-temperature water output end of the gas internal combustion engine unit is connected with the input end of the high-temperature water plate type heat exchanger, and the low-temperature water output end of the gas internal combustion engine unit is connected with the input end of the low-temperature water plate type heat exchanger;
the output ends of the steam boiler and the waste heat steam boiler are both connected with a steam cylinder, and the steam cylinder is connected with a steam user;
the output end of the high-temperature water plate type heat exchanger is connected with the input end of the high-temperature water tank; the output end of the low-temperature water plate type heat exchanger is connected with the input end of the low-temperature water tank; the output ends of the high-temperature water tank and the low-temperature water tank are both connected with a heat storage water tank, and the heat storage water tank is connected with a domestic hot water user.
Preferably, the output end of the steam boiler is also connected with a heat storage water tank.
Preferably, the gas internal combustion engine set, the high-temperature water plate type heat exchanger, the low-temperature water plate type heat exchanger, the high-temperature water tank, the low-temperature water tank and the heat storage water tank are connected through vacuum heat insulation pipelines.
The above technical scheme of the utility model has following profitable technological effect: a heat dissipation cooling tower is not required to be arranged, and the initial investment of the system is reduced; the gas internal combustion engine set is used for generating electricity, the generated electric energy is used by users, the waste heat of the flue gas is recovered through the waste heat steam boiler, and the generated steam is used by steam users. The system is provided with three water tanks, low-temperature circulating water of the unit enters a low-temperature water tank after being subjected to overheating recovery, high-temperature water of the unit enters a high-temperature water tank after being subjected to overheating recovery, a heat storage water tank is a domestic hot water tank, the water in the low-temperature water tank is injected into the heat storage water tank after reaching a certain temperature, and the water in the heat storage water tank exchanges heat with the high-temperature water tank to reach the temperature required by the domestic hot water; by arranging the heat storage water tank, the system can continue to operate in a heat storage manner after the high-temperature water tank and the low-temperature water tank are full of heat, so that the stable operation time of the system is increased; and a vacuum heat insulation pipeline is adopted, so that the heat loss of a pipe network is reduced, and the primary energy utilization rate of the system is improved.
Drawings
Fig. 1 is a schematic structural diagram of a total heat recovery gas cogeneration system provided by the present invention.
Reference numerals: 1. a gas internal combustion engine set; 2. a waste heat steam boiler; 3. a steam boiler; 4. a high temperature water plate heat exchanger; 5. a low temperature water plate heat exchanger; 6. a high temperature water tank; 7. a low temperature water tank; 8. a heat storage water tank; 9. a grid-connected power distribution cabinet; 10. steam is divided into cylinders; 11. a vacuum insulated duct.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
As shown in fig. 1, the utility model provides a total heat recovery gas cogeneration system, including gas internal combustion engine group 1, exhaust-heat steam boiler 2, steam boiler 3, high temperature water plate heat exchanger 4, low temperature water plate heat exchanger 5, high temperature water tank 6, low temperature water tank 7, heat storage water tank 8, grid-connected power distribution cabinet 9, steam cylinder 10 and vacuum heat insulation pipeline 11;
the electric energy output end of the gas internal combustion engine set 1 is connected to a power distribution network through a grid-connected power distribution cabinet 9, and the power distribution network is connected with a power consumer; the waste heat output end of the gas internal combustion engine set 1 is connected with the input end of a waste heat steam boiler 2, the high-temperature water output end of the gas internal combustion engine set 1 is connected with the input end of a high-temperature water plate type heat exchanger 4, and the low-temperature water output end of the gas internal combustion engine set 1 is connected with the input end of a low-temperature water plate type heat exchanger 5;
the output ends of the steam boiler 3 and the waste heat steam boiler 2 are both connected with a steam cylinder 10, and the steam cylinder 10 is connected with a steam user;
the output end of the high-temperature water plate type heat exchanger 4 is connected with the input end of the high-temperature water tank 6; the output end of the low-temperature water plate type heat exchanger 5 is connected with the input end of the low-temperature water tank 7; the output ends of the high-temperature water tank 6 and the low-temperature water tank 7 are both connected with a heat storage water tank 8, and the heat storage water tank 8 is connected with a domestic hot water user.
The utility model discloses in, generate electricity through gas internal combustion engine group 1, the electric energy of production supplies the user to use, and the flue gas waste heat carries out heat recovery through exhaust-heat steam boiler 2, and the steam of production supplies the steam user to use. The system is provided with three water tanks, low-temperature circulating water of the unit enters a low-temperature water tank 7 after being subjected to overheating recovery, high-temperature water of the unit enters a high-temperature water tank 6 after being subjected to overheating recovery, a heat storage water tank 8 is a domestic hot water tank, the water in the low-temperature water tank 7 is injected into the heat storage water tank 8 after reaching a certain temperature, and the water in the heat storage water tank 8 exchanges heat with the high-temperature water tank 6 to reach the temperature required by the domestic; through setting up hot water storage tank 8, make the system hold after high temperature water tank 6 and low temperature water tank 7 are full, can continue the heat accumulation operation, increase the steady operation duration of system.
In an alternative embodiment, the output end of the steam boiler 3 is also connected with the heat storage water tank 8; steam is produced by the waste heat boiler and is used by steam users, and the redundant part is used for preparing domestic hot water and enters the heat storage water tank, so that the energy utilization rate is improved.
In an alternative embodiment, the gas internal combustion engine unit 1, the high-temperature water plate type heat exchanger 4, the low-temperature water plate type heat exchanger 5, the high-temperature water tank 6, the low-temperature water tank 7 and the heat storage water tank 8 are connected by a vacuum heat insulation pipeline 11; reducing heat loss of pipeline
It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.
Claims (3)
1. A total heat recovery gas cogeneration system is characterized by comprising a gas internal combustion engine unit (1), a waste heat steam boiler (2), a steam boiler (3), a high-temperature water plate type heat exchanger (4), a low-temperature water plate type heat exchanger (5), a high-temperature water tank (6), a low-temperature water tank (7), a heat storage water tank (8), a grid-connected power distribution cabinet (9), a steam distribution cylinder (10) and a vacuum heat insulation pipeline (11);
the electric energy output end of the gas internal combustion engine set (1) is connected to a power distribution network through a grid-connected power distribution cabinet (9), and the power distribution network is connected with a power consumer; the waste heat output end of the gas internal combustion engine set (1) is connected with the input end of the waste heat steam boiler (2), the high-temperature water output end of the gas internal combustion engine set (1) is connected with the input end of the high-temperature water plate type heat exchanger (4), and the low-temperature water output end of the gas internal combustion engine set (1) is connected with the input end of the low-temperature water plate type heat exchanger (5);
the output ends of the steam boiler (3) and the waste heat steam boiler (2) are both connected with a steam cylinder (10), and the steam cylinder (10) is connected with a steam user;
the output end of the high-temperature water plate type heat exchanger (4) is connected with the input end of the high-temperature water tank (6); the output end of the low-temperature water plate type heat exchanger (5) is connected with the input end of a low-temperature water tank (7); the output ends of the high-temperature water tank (6) and the low-temperature water tank (7) are connected with a heat storage water tank (8), and the heat storage water tank (8) is connected with a domestic hot water user.
2. The cogeneration system according to claim 1, wherein the output end of the steam boiler (3) is further connected to the hot water storage tank (8).
3. The total heat recovery gas cogeneration system according to claim 1, wherein the gas internal combustion engine unit (1), the high-temperature water plate heat exchanger (4), the low-temperature water plate heat exchanger (5), the high-temperature water tank (6), the low-temperature water tank (7) and the heat storage water tank (8) are connected by vacuum heat insulation pipes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922188941.3U CN211475889U (en) | 2019-12-06 | 2019-12-06 | Total heat recovery gas cogeneration system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922188941.3U CN211475889U (en) | 2019-12-06 | 2019-12-06 | Total heat recovery gas cogeneration system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211475889U true CN211475889U (en) | 2020-09-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922188941.3U Expired - Fee Related CN211475889U (en) | 2019-12-06 | 2019-12-06 | Total heat recovery gas cogeneration system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211475889U (en) |
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2019
- 2019-12-06 CN CN201922188941.3U patent/CN211475889U/en not_active Expired - Fee Related
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200911 Termination date: 20211206 |