CN209655621U - A natural gas distributed energy system - Google Patents
A natural gas distributed energy system Download PDFInfo
- Publication number
- CN209655621U CN209655621U CN201920320105.3U CN201920320105U CN209655621U CN 209655621 U CN209655621 U CN 209655621U CN 201920320105 U CN201920320105 U CN 201920320105U CN 209655621 U CN209655621 U CN 209655621U
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- China
- Prior art keywords
- water
- mentioned
- flue gas
- natural gas
- lithium bromide
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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
- 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
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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]
- Y02B30/18—Domestic hot-water supply systems using recuperated or waste heat
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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]
- Y02B30/52—Heat recovery pumps, i.e. heat pump based systems or units able to transfer the thermal energy from one area of the premises or part of the facilities to a different one, improving the overall efficiency
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- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
The utility model discloses a kind of NG Distributed Energy Systems, including gas internal combustion electric generator, fume hot-water type lithium bromide, flue gas waste heat recovery apparatus, water resource heat pump, water cooler, cooling tower, steam boiler and heat exchanger；Wherein, the flue gas emission mouth of above-mentioned gas internal combustion electric generator is connected to the air inlet of above-mentioned fume hot-water type lithium bromide；The high temperature cylinder sleeve water out of above-mentioned gas internal combustion electric generator is connected to the generator water inlet of above-mentioned fume hot-water type lithium bromide；The generator water outlet of above-mentioned fume hot-water type lithium bromide is connected to the high temperature jacket water water inlet of above-mentioned gas internal combustion electric generator；The feed water inlet of above-mentioned fume hot-water type lithium bromide is connected to the water inlet of user terminal；The utility model has accomplished that the refrigerated medium hot season efficiently utilizes to the deep exploitation of fume afterheat, and compared with singly heating residual-heat utilization technology, increase flue gas waste heat recovery apparatus uses the time, shortens the investment payback time of this equipment.
Description
Technical Field
The utility model relates to a natural gas energy field. More specifically, the utility model relates to a natural gas distributed energy system.
Background
With the continuous development of natural gas distributed energy, in recent years, a coupling energy supply system of a heat pump technology and a common distributed energy system is effectively applied, the energy supply system needs to reasonably and effectively combine resources at the location of a project, such as sewage, reclaimed water, seawater, underground water and the like, under the condition of reasonable gas price and electricity price, due to the application of the heat pump technology, the benefit of the project is always improved, so that the energy supply system for coupling the natural gas distributed energy and other heat pump technologies is researched by combining the effective resources and the energy supply requirements at the location of the project aiming at different projects, and has positive demonstration effects on the aspects of improving the comprehensive energy utilization rate, project income, energy conservation and emission reduction of the system.
SUMMERY OF THE UTILITY MODEL
In order to achieve the above purpose, the utility model provides a natural gas distributed energy system, which comprises a gas internal combustion generator, a smoke hot water type lithium bromide, a smoke waste heat recovery device, a water source heat pump, a water chilling unit, a cooling tower, a steam boiler and a heat exchanger; wherein,
the smoke discharge port of the gas internal combustion generator is communicated with the air inlet of the smoke hot water type lithium bromide through a smoke pipeline; a high-temperature cylinder sleeve water outlet of the gas internal combustion generator is communicated with a generator water inlet of the smoke hot water type lithium bromide through a pipeline; the water outlet of the generator of the smoke hot water type lithium bromide is communicated with the high-temperature cylinder sleeve water inlet of the gas internal combustion generator through a pipeline;
the water supply port of the smoke hot water type lithium bromide is communicated with the water inlet of the user end through a water supply pipeline, and the water outlet of the user end is communicated with the water return port of the smoke hot water type lithium bromide through a pipeline;
the smoke outlet of the smoke hot water type lithium bromide is connected with the air inlet of the smoke waste heat recovery device through a smoke pipeline, high-temperature smoke enters the waste heat recovery device to exchange heat with intermediate water of the water source heat pump, then the intermediate water is heated and then enters the water source heat pump through the water supply pipeline to be heated, and the water outlet of the water source heat pump is communicated with the user side through the water supply pipeline.
Preferably, the natural gas distributed energy system is characterized in that a natural gas inlet is arranged on the gas internal combustion generator and connected with a natural gas pipeline, and the natural gas pipeline is provided with a regulating valve.
Preferably, the natural gas distributed energy system, above-mentioned flue gas waste heat recovery device is provided with the chimney, installs silencer and atmospheric pollutants monitoring devices on the chimney pipeline.
Preferably, in the natural gas distributed energy system, a water inlet of the water source heat pump is connected with a cooling water outlet of the water chilling unit through a water supply pipeline, so as to recover heat carried by cooling water.
Preferably, in the natural gas distributed energy system, the cooling water outlet of the water chilling unit is connected to the cooling water inlet of the cooling tower through a water supply pipeline.
Preferably, in the natural gas distributed energy system, the water outlet of the water source heat pump is connected with the water inlet of the steam boiler through a heat exchanger, so that the temperature of the inlet water of the steam boiler is raised.
Preferably, in the natural gas distributed energy system, a water inlet of the heat exchanger is connected to a cooling water outlet of the water chilling unit, and a water outlet of the heat exchanger is connected to a water inlet pipe of the steam boiler.
Preferably, in the natural gas distributed energy system, a transparent observation hole is installed on the boiler body of the steam boiler.
The utility model discloses at least, include following beneficial effect:
1. the utility model discloses the degree of depth to flue gas waste heat utilizes and has accomplished the equal high-efficient utilization in refrigeration heating season, compares with single heating waste heat utilization technique, has increased flue gas waste heat recovery device's live time, has shortened the investment recovery period of this equipment. The smoke temperature of the smoke hot water type lithium bromide unit is generally between 100 ℃ and 120 ℃, the smoke temperature can be reduced to below 50 ℃ through the smoke waste heat recovery device, the recovered waste heat can improve the water supply temperature of medium water in the water source heat pump, so that the water source heat pump unit can generate high-temperature water in winter and summer, and the heating and life hot water loads can be met.
2. The condensation heat of the water chilling unit is preferentially used for heating medium water in the water source heat pump, and can be secondarily used for supplementing water and heating a steam boiler.
3. When the terminal life hot water demand of conventional system reduces, the accessible reduces water source heat pump set's hot water output and adjusts, and water source heat pump set efficiency reduces this moment, moves unstably, and this utility model discloses can change the water supply capacity of allotment water source heat pump according to terminal life hot water demand, make partial hot water be used for heating steam boiler's comdenstion water to guarantee water source heat pump set's high-efficient operation.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
Fig. 1 is a schematic structural diagram of the natural gas distributed energy system of the present invention.
Detailed Description
The present invention is further described in detail below with reference to the drawings so that those skilled in the art can implement the invention with reference to the description.
In the description of the present invention, the terms "lateral", "longitudinal", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
As shown in fig. 1, the utility model provides a natural gas distributed energy system, which is characterized in that the system comprises a gas internal combustion generator 1, a smoke hot water type lithium bromide 2, a smoke waste heat recovery device 3, a water source heat pump 4, a water chilling unit 5, a cooling tower 6, a steam boiler 7 and a heat exchanger 8; wherein,
a smoke discharge port of the gas internal combustion generator 1 is communicated with an air inlet of the smoke hot water type lithium bromide 2 through a smoke pipeline; a high-temperature cylinder sleeve water outlet of the gas internal combustion generator 1 is communicated with a generator water inlet of the smoke hot water type lithium bromide 2 through a pipeline; a generator water outlet of the smoke hot water type lithium bromide 2 is communicated with a high-temperature cylinder sleeve water inlet of the gas internal combustion generator 1 through a pipeline;
a water supply port of the smoke hot water type lithium bromide 2 is communicated with a water inlet of a user end through a water supply pipeline, and a water outlet of the user end is communicated with a water return port of the smoke hot water type lithium bromide 2 through a pipeline; the flue gas hot water type lithium bromide 2 fully utilizes the flue gas of the gas internal combustion engine generator 1 and the waste heat of the cylinder sleeve water and then transmits the energy to users.
The smoke outlet of the smoke hot water type lithium bromide 2 is connected with the air inlet of the smoke waste heat recovery device 3 through a smoke pipeline, high-temperature smoke enters the waste heat recovery device 3 to exchange heat with intermediate water of the water source heat pump 4, the intermediate water is heated and then enters the water source heat pump 4 from the water inlet of the water source heat pump 4 through a water supply pipeline to heat, and the water outlet of the water source heat pump 4 is communicated with a user side through the water supply pipeline.
The utility model discloses in, the natural gas gets into 1 burning of gas internal combustion generator, inflation, the drive generator electricity generation of doing work through natural gas line, and the electric energy of output is absorbed nearby, and the flue gas of output and cylinder liner water waste heat get into 2 refrigeration heats of flue gas hot water type lithium bromide unit. The flue gas enters the flue gas waste heat recovery device 3 for further cooling after passing through the flue gas hot water type lithium bromide unit, so that the final flue gas temperature is about 50 ℃, and the flue gas waste heat recovery device 3 transfers the waste heat to the intermediate water of the water source heat pump 4 through heat exchange, so that the temperature of the intermediate water is raised. The intermediate water with the increased temperature enters the water source heat pump 4 for heating, so that the water outlet temperature of the water source heat pump 4 is increased, and the requirements of terminal equipment in different temperature difference ranges are met.
In one embodiment, the natural gas distributed energy system is characterized in that a natural gas inlet is arranged on the gas internal combustion generator 1 and connected with a natural gas pipeline, and a regulating valve is arranged on the natural gas pipeline.
In one embodiment, the natural gas distributed energy system is characterized in that the flue gas waste heat recovery device 3 is provided with a chimney, and a silencer and an atmospheric pollutant monitoring device are installed on a chimney pipeline.
In one embodiment, in the natural gas distributed energy system, the water inlet of the water source heat pump 4 is connected to the cooling water outlet of the water chilling unit 5 through a water supply pipeline. During the refrigeration operating mode, cooling water of the water chilling unit 5 preferentially enters the intermediate water side of the water source heat pump 4 to recover heat carried in the cooling water, and hot water produced by the water source heat pump is higher in temperature and can meet the requirement of end-life hot water.
In one embodiment, in the natural gas distributed energy system, the cooling water outlet of the water chilling unit 5 is connected to the cooling water inlet of the cooling tower 6 through a water supply pipeline.
In one embodiment, in the natural gas distributed energy system, the water outlet of the water source heat pump 4 is connected to the water inlet of the steam boiler 7 through a heat exchanger 8, so as to heat the inlet water of the steam boiler 7; when the end domestic hot water demand is reduced, in order to ensure the efficient operation of the water source heat pump 4, part of high-temperature water supply can be used for heating the condensed water of the natural gas boiler 7 through the heat exchanger 8.
In one embodiment, in the natural gas distributed energy system, a water inlet of the heat exchanger 8 is connected to a cooling water outlet of the water chilling unit 5, and a water outlet of the heat exchanger 8 is connected to a water inlet pipe of the steam boiler 7. When the requirement of end domestic hot water is reduced or the water source heat pump 4 fails, the condensation heat recovery work of the water chilling unit can be completed through the heat exchanger 8, and the recovered condensation heat is used for heating the water supplement of the natural gas boiler 7 (steam boiler).
While the embodiments of the invention have been described above, it is not intended to be limited to the details shown, or described, but rather to cover all modifications, which would come within the scope of the appended claims, and all changes which come within the meaning and range of equivalency of the art are therefore intended to be embraced therein.
Claims (8)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920320105.3U CN209655621U (en) | 2019-03-12 | 2019-03-12 | A natural gas distributed energy system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920320105.3U CN209655621U (en) | 2019-03-12 | 2019-03-12 | A natural gas distributed energy system |
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| CN209655621U true CN209655621U (en) | 2019-11-19 |
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| CN201920320105.3U Active CN209655621U (en) | 2019-03-12 | 2019-03-12 | A natural gas distributed energy system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112460838A (en) * | 2020-12-07 | 2021-03-09 | 贵州中建建筑科研设计院有限公司 | Natural gas distributed energy source-ground source heat pump energy supply system |
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2019
- 2019-03-12 CN CN201920320105.3U patent/CN209655621U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112460838A (en) * | 2020-12-07 | 2021-03-09 | 贵州中建建筑科研设计院有限公司 | Natural gas distributed energy source-ground source heat pump energy supply system |
| CN112460838B (en) * | 2020-12-07 | 2026-04-24 | 贵州中建建筑科研设计院有限公司 | A natural gas distributed energy - ground source heat pump power supply system |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 2508, 25th Floor, China Gas Building, No. 188 Meiyuan Road, Tianxin Community, Sungang Street, Luohu District, Shenzhen City, Guangdong Province, 518000 Patentee after: Shenzhen China Gas Thermal Development Group Co.,Ltd. Address before: Room 1505, Block B, Union Square, 5022 Binhe Avenue, Futian District, Shenzhen, Guangdong 518000 Patentee before: CHINAGAS ENERGY DEVELOPMENT (SHENZHEN) Co.,Ltd. |
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