CN205717461U - A kind of compound clean energy resource central energy supply, domestic hot-water supply and electric power system - Google Patents
A kind of compound clean energy resource central energy supply, domestic hot-water supply and electric power system Download PDFInfo
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- CN205717461U CN205717461U CN201620350094.XU CN201620350094U CN205717461U CN 205717461 U CN205717461 U CN 205717461U CN 201620350094 U CN201620350094 U CN 201620350094U CN 205717461 U CN205717461 U CN 205717461U
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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
- Y02A30/272—Solar heating or cooling
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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
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/20—Solar thermal
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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
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/70—Hybrid systems, e.g. uninterruptible or back-up power supplies integrating renewable energies
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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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- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
This utility model discloses a kind of compound clean energy resource central energy supply, domestic hot-water supply and electric power system, including solar water heater, water pump one, water intaking valve one, hot water thermal insulating water tank, gas turbine, gas pump, gas control valve；This utility model comprises 3 subsystems: energy supplying system, domestic hot-water supply system, electricity generating and supplying system；This utility model utilizes natural gas and solar energy both clean energy resourcies, and the waste heat flue gas producing natural gas is used, and improves the utilization ratio of the energy, good energy-conserving effect；Hot water is produced, it is possible to meet zone user demand by waste heat flue gas heat exchange and solar water heater；Can be that whole system equipment component provides electric energy by Gas Turbine Generating Units generating, it is also possible to be incorporated to outside main electrical network, effectively reduce the operating cost of whole system.
Description
Technical field
This utility model belongs to central energy supply, domestic hot-water supply and supplies electrical domain, is specifically related to a kind of compound clean energy resource
Central energy supply, domestic hot-water supply and electric power system.
Background technology
Along with the appearance of " instruction about advancing " the Internet+" wisdom energy development ", it is mentioned that " encourage user
Side is built the comprehensive energy such as cold, heat and electricity triple supply, heat pump, industrial exhaust heat overbottom pressure utilization and is utilized infrastructure, promote distributed can be again
The raw energy and Distribution of Natural formula energy cooperative development, improve distribution type renewable energy level of comprehensive utilization ", this is conducive to pushing away
The fast development in the fields such as dynamic distributed energy, clean energy resource, central energy supply.Common central energy supply technology type have river (river,
Lake) water resource heat pump, air-cooled heat pump, earth source heat pump and cold, heat and electricity triple supply etc., natural gas and solar energy clean energy as one
Source, is widely used in fields such as central cooling (hot), generatings.Along with the diversified development of user's request and technology type
The most progressive, the system of function singleness cannot meet the demand of user, on the premise of objective condition allows, uses multiple
The multifunction system of clean energy resource had both met energy-conserving and environment-protective requirement, also can meet the diversified demand of user, collection cooling (hot), confession
The several functions such as domestic hot-water and power supply arises at the historic moment in the system of one.
But the energy form that existing centralized energy supply system provides is single, generally provides only low-temperature receiver, thermal source, it is impossible to meet user
Multiple demand；Air-cooled heat pump centralized energy supply system is limited relatively big by air themperature, and winter, Energy Efficiency Ratio was low；Earth source heat pump is concentrated and is supplied
Can system be retrained big by the objective condition such as geology, policy, cost be high；The hot water amount that single solar water heater system provides has
Limit, it is impossible to meet the demand of multiple user；Common electrical heating hot-water heating system operating cost is high, less economical；Great majority are concentrated and are supplied
Energy and domestic hot-water supply system need to connect external power source, and operating cost is higher.
Utility model content
For the problems referred to above, this utility model provides one to utilize natural gas and two kinds of clean energy resourcies of solar energy, possesses confession
The system of three kinds of functions such as energy, domestic hot-water supply and power supply, the technical solution of the utility model is as follows:
A kind of compound clean energy resource central energy supply, domestic hot-water supply and electric power system, including solar water heater, water pump
One, water intaking valve one, hot water thermal insulating water tank, gas turbine, gas pump, gas control valve；
Described water pump one is connected with solar water heater, and described water intaking valve one is connected with water pump one；
Described solar water heater is connected with hot water thermal insulating water tank by hot water inlet regulating valve one；
Described gas pump is connected with gas turbine, and described gas control valve is connected with gas pump；
Described smoke gas afterheat heat exchanger is connected with gas turbine by smoke regulating valve one, more than the high temperature that gas turbine produces
Heat smoke can be entered by smoke regulating valve one and carry out heat exchange in smoke gas afterheat heat exchanger；
Described smoke gas afterheat heat exchanger is connected with hot water thermal insulating water tank by hot water inlet regulating valve two；
The water inlet of described smoke gas afterheat heat exchanger is connected with water pump two, and water pump two is connected with water intaking valve two；
Described gas turbine is connected with flue gas type lithium bromide chiller also by smoke regulating valve two and Smoke pump；
Flue gas type lithium bromide chiller is connected with the air conditioning terminal of user side by air-conditioning side circulating pump, cold (hot) water regulating valve
Connect；
Hot water thermal insulating water tank is connected with the hot water end of user side by hot water regulating valve and hot water circulating pump；
In addition gas turbine is also connected with grid-connecting apparatus.
Compound clean energy resource central energy supply of the present utility model, domestic hot-water supply and electric power system comprise 3 subsystems:
Energy supplying system, domestic hot-water supply system, electricity generating and supplying system；
Wherein energy supplying system includes gas turbine, gas pump, gas control valve, smoke regulating valve two, Smoke pump, flue gas type
Lithium bromide chiller, air-conditioning side circulating pump, cold (hot) water regulating valve, air conditioning terminal, user side.The operation principle of energy supplying system is:
Running gas pump, start gas turbine, natural gas runs past gas control valve, gas pump enters in gas turbine and fires
Burning, restart Smoke pump, the high-temperature residual heat flue gas produced after combustion of natural gas will pass through smoke regulating valve two, Smoke pump enters
Flue gas type lithium bromide chiller drives it freeze (hot), restart air-conditioning side circulating pump, flue gas type lithium bromide chiller process and produce
Raw cold (hot) water will enter in the air conditioning terminal being installed in user side through air-conditioning side circulating pump, cold (hot) water regulating valve be
User side provides cold (hot) service.
Wherein domestic hot-water supply system comprise solar water heater, water pump one, water intaking valve one, hot water inlet regulating valve one,
Hot water thermal insulating water tank, hot water inlet regulating valve two, water intaking valve two, water pump two, smoke gas afterheat heat exchanger, smoke regulating valve one, combustion
Gas-turbine, gas pump, gas control valve, hot water end, user side, hot water circulating pump, hot water regulating valve.Within the system, raw
The source one of hot water alive has two: (1) solar water heater produces hot water；(2) smoke gas afterheat heat exchanger is produced by heat exchange
Hot water.The operation principle of domestic hot-water supply system is: (1) starts water pump one, solar water heater, and cold water will be by water intaking valve
One, water pump one enters in solar water heater and heats, and hot water is flowed in hot water thermal insulating water tank by hot water inlet regulating valve one and protects
Deposit；(2) starting gas pump and gas turbine, natural gas will be entered in gas turbine by gas control valve, gas pump and fire
Burning, the high-temperature residual heat flue gas that combustion of natural gas produces will be entered in smoke gas afterheat heat exchanger by smoke regulating valve one and change
Heat, thus the cold water entered in smoke gas afterheat heat exchanger by water intaking valve two, water pump two is heated, the hot water of generation is again by warm
Water inlet regulating valve two flows in hot water thermal insulating water tank and preserves；Hot water is all collected in by the hot water of (1) and (2) two groups of equipment generations
In attemperater, when user side needs to use hot water, starting hot water circulating pump, the hot water in hot water thermal insulating water tank will be by warm
Water regulating valve, hot water circulating pump flow into the hot water end being installed in user side and provide domestic hot-water service for user side.Generally
In the case of, hot water thermal insulating water tank can be arranged on the high point position of building, according to the particular location of each equipment, Ke Yi
Water pump is installed in the middle of hot water thermal insulating water tank and smoke gas afterheat heat exchanger, installs in the middle of solar water heater and hot water thermal insulating water tank
Water pump.In a word, in actual application, the particular location can installed according to each equipment increase or reduce water pump and
The equipment such as valve, thus meet cold (hot) and domestic hot-water's demand of user.
Wherein electricity generating and supplying system comprises grid-connecting apparatus, gas turbine, gas pump, gas control valve.Operation principle is: fortune
Row gas pump and gas turbine, natural gas will be entered in gas turbine by gas control valve, gas pump and burn, natural gas
Burn the in the gas turbine high temperature that produces, high pressure flue gas can drive generating set generate electricity, then by transmission line of electricity and grid-connected dress
The equipment such as put is incorporated to outside main electrical network；In addition, the electric energy that generating set produces can be additionally used in the solar energy in whole system
The part such as water heater, water pump, electrically operated valve needs in the equipment of electricity consumption.
The beneficial effects of the utility model are as follows: utilize natural gas and solar energy both clean energy resourcies, and to natural gas
The waste heat flue gas produced is used, and improves the utilization ratio of the energy, good energy-conserving effect；By waste heat flue gas heat exchange and too
Sun can produce hot water by water heater, it is possible to meets zone user demand；Can be whole system by Gas Turbine Generating Units generating
System equipment component provides electric energy, it is also possible to is incorporated to outside main electrical network, effectively reduces the operating cost of whole system.
(1) composite system, function is more, it is possible to meet users on diversity.This utility model has been provided simultaneously with supplying
3 functions such as cold (hot), domestic hot-water supply and generating power supply, it is possible to cold (hot) and domestic hot-water's clothes are provided for user simultaneously
Business, it is also possible to the electric energy that Gas Turbine Generating Units produces is used for whole system part electrical equipment or with outside major network also
Net.
(2) clean energy resource is utilized, energy-conserving and environment-protective, utilize waste heat flue gas, energy utilization rate is high.Natural gas with solar energy is all
Clean energy resource, uses both energy forms to meet energy-conserving and environment-protective requirement；Additionally, the waste heat flue gas producing combustion of natural gas enters
Row sufficiently utilizes, and the utilization rate of the energy is the highest.
Accompanying drawing explanation
Fig. 1 is this utility model overall structure principle schematic；
Drawing reference numeral illustrates: sun can water heater 1, water pump 1, water intaking valve 1, hot water inlet regulating valve 1, hot water thermal insulating
Water tank 5, hot water inlet regulating valve 26, water intaking valve 27, water pump 28, smoke gas afterheat heat exchanger 9, smoke regulating valve 1, grid-connected
Device 11, gas turbine 12, gas pump 13, gas control valve 14, smoke regulating valve 2 15, Smoke pump 16, flue gas type lithium bromide
Unit 17, air-conditioning side circulating pump 18, cold (hot) water regulating valve 19, hot water end 20, air conditioning terminal 21, user side 22, hot water follow
Ring pump 23, hot water regulating valve 24.
Detailed description of the invention
Below in conjunction with the accompanying drawings specific embodiment of the utility model is described in detail, as it is shown in figure 1, a kind of compound
Clean energy resource central energy supply, domestic hot-water supply and electric power system, including solar water heater 1, water pump 1, water intaking valve 1, heat
Water attemperater 5, gas turbine 12, gas pump 13, gas control valve 14；
Water pump 1 is connected with solar water heater 1, and water intaking valve 1 is connected with water pump 1；Solar water heater 1 is by warm
Water inlet regulating valve 1 is connected with hot water thermal insulating water tank 5；Gas pump 13 is connected with gas turbine 12, described gas control valve 14
It is connected with gas pump 13；Smoke gas afterheat heat exchanger 9 is connected with gas turbine 12 by smoke regulating valve 1, and gas turbine 12 produces
Raw high-temperature residual heat flue gas can be entered in smoke gas afterheat heat exchanger 9 by smoke regulating valve 1 and carry out heat exchange；Fume afterheat
Heat exchanger 9 is connected with hot water thermal insulating water tank 5 by hot water inlet regulating valve 26；The water inlet of smoke gas afterheat heat exchanger 9 and water pump
28 connect, and water pump 28 is connected with water intaking valve 27；Gas turbine 12 is also by smoke regulating valve 2 15 and Smoke pump 16 and flue gas
Type lithium bromide chiller 17 connects；Flue gas type lithium bromide chiller 17 is by air-conditioning side circulating pump 18, cold (hot) water regulating valve 19 and uses
The air conditioning terminal 21 of family end 22 connects；Hot water thermal insulating water tank 5 is by hot water regulating valve 24 and hot water circulating pump 23 and user side 22
Hot water end 20 connect；In addition gas turbine 12 is also connected with grid-connecting apparatus 11.
Seeing Fig. 1, filled arrows represents natural gas or flue gas conveying direction, and hollow arrow represents cold (hot) water conveying side
To, dotted line hollow arrow represents transmission of electricity direction.The one compound clean energy resource central energy supply of this utility model offer, confession life
Hot water and electric power system possess three functions, i.e. comprise three subsystems: one is energy supplying system；Two is domestic hot-water supply system；
Three is electricity generating and supplying system.
Seeing Fig. 1, for energy supplying system, it mainly includes gas turbine 12, gas pump 13, gas control valve 14, cigarette
Controlled atmosphere joint valve 2 15, Smoke pump 16, flue gas type lithium bromide chiller 17, air-conditioning side circulating pump 18, cold (hot) water regulating valve 19, air-conditioning
End 21, user side 22.The operation principle of energy supplying system is: running gas pump 13, start gas turbine 12, natural gas will be through
Cross gas control valve 14, gas pump 13 enters in gas turbine 12 and burns, and restarts Smoke pump 16, produces after combustion of natural gas
Raw high-temperature residual heat flue gas will pass through smoke regulating valve 2 15, Smoke pump 16 enters in flue gas type lithium bromide chiller 17 and drives it
Refrigeration (hot), restarts air-conditioning side circulating pump 18, flue gas type lithium bromide chiller 17 cold (hot) water processing generation will be through sky
Adjust side circulating pump 18, cold (hot) water regulating valve 19 to enter in the air conditioning terminal 21 being installed in user side 22 to provide for user side 22
Cold (hot) services.
Seeing Fig. 1, for domestic hot-water supply system, it mainly contains solar water heater 1, water pump 1, water intaking valve one
3, more than hot water inlet regulating valve 1, hot water thermal insulating water tank 5, hot water inlet regulating valve 26, water intaking valve 27, water pump 28, flue gas
Heat exchanger 9, smoke regulating valve 1, gas turbine 12, gas pump 13, gas control valve 14, hot water end 20, user side
22, hot water circulating pump 23, hot water regulating valve 24.Within the system, the source one of domestic hot-water has two: (1) solar heat
Hydrophone produces hot water；(2) smoke gas afterheat heat exchanger produces hot water by heat exchange.The operation principle of domestic hot-water supply system is: (1)
Starting water pump 1, solar water heater 1, cold water will be entered in solar water heater 1 by water intaking valve 1, water pump 1 and heat,
Hot water is flowed in hot water thermal insulating water tank 5 by hot water inlet regulating valve 1 and preserves；(2) gas pump 13 and gas turbine 12 are started,
Natural gas will be entered in gas turbine 12 by gas control valve 14, gas pump 13 and burn, the height that combustion of natural gas produces
Temperature waste heat flue gas will be entered in smoke gas afterheat heat exchanger 9 by smoke regulating valve 1 and carry out heat exchange, thus to by water intaking valve
27, the cold water during water pump 28 enters smoke gas afterheat heat exchanger 9 heats, and the hot water of generation is again by hot water inlet regulating valve two
6 flow into preservation in hot water thermal insulating water tank 5；All collected in hot water thermal insulating water tank 5 by the hot water of (1) and (2) two groups of equipment generations,
When user side 22 needs to use hot water, starting hot water circulating pump 23, the hot water in hot water thermal insulating water tank 5 will be regulated by hot water
Valve 24, hot water circulating pump 23 flow into the hot water end 20 being installed in user side 22 provides domestic hot-water to service for user side 22.
Under normal circumstances, hot water thermal insulating water tank 5 can be arranged on the high point position of building, according to the particular location of each equipment,
Water pump can be installed in the middle of hot water thermal insulating water tank 5 and smoke gas afterheat heat exchanger 9, at solar water heater 1 and hot water thermal insulating water
Water pump is installed in the middle of case 5.In a word, in actual application, the particular location can installed according to each equipment increase or
Reduce the equipment such as water pump and valve, thus meet cold (hot) and domestic hot-water's demand of user.
Seeing Fig. 1, for electricity generating and supplying system, it mainly comprises grid-connecting apparatus 11, gas turbine 12, gas pump 13, combustion
Controlled atmosphere joint valve 14.Operation principle is: running gas pump 13 and gas turbine 12, natural gas will be by gas control valve 14, combustion gas
Pump 13 enters in gas turbine 12 and burns, natural gas burn in gas turbine 12 produce high temperature, high pressure flue gas can drive
Dynamic generating set generating, then it is incorporated to outside main electrical network by equipment such as transmission line of electricity and grid-connecting apparatus 11；In addition, electromotor
The electric energy that group produces can be additionally used in the parts such as the solar water heater in whole system, water pump, electrically operated valve needs setting of electricity consumption
In Bei.
It is above this utility model has been carried out exemplary description, it is clear that realization of the present utility model is not by above-mentioned side
The restriction of formula is as long as have employed the various improvement that technical solutions of the utility model are carried out or the most improved by of the present utility model
Design and technical scheme directly apply to other occasion, all in protection domain of the present utility model.
Claims (1)
1. a compound clean energy resource central energy supply, domestic hot-water supply and electric power system, it is characterised in that include solar heat
Hydrophone (1), water pump one (2), water intaking valve one (3), hot water thermal insulating water tank (5), gas turbine (12), gas pump (13), combustion gas are adjusted
Joint valve (14)；
Described water pump one (2) is connected with solar water heater (1), and described water intaking valve one (3) is connected with water pump one (2)；
Described solar water heater (1) is connected with hot water thermal insulating water tank (5) by hot water inlet regulating valve one (4)；
Described gas pump (13) is connected with gas turbine (12), and described gas control valve (14) is connected with gas pump (13)；
Smoke gas afterheat heat exchanger (9) is connected with gas turbine (12) by smoke regulating valve one (10), and gas turbine (12) produces
High-temperature residual heat flue gas can be entered in smoke gas afterheat heat exchanger (9) by smoke regulating valve one (10) and carry out heat exchange；
Described smoke gas afterheat heat exchanger (9) is connected with hot water thermal insulating water tank (5) by hot water inlet regulating valve two (6)；
The water inlet of described smoke gas afterheat heat exchanger (9) is connected with water pump two (8), and water pump two (8) is connected with water intaking valve two (7)；
Described gas turbine (12) is also by smoke regulating valve two (15) and Smoke pump (16) and flue gas type lithium bromide chiller (17)
Connect；
Flue gas type lithium bromide chiller (17) is by air-conditioning side circulating pump (18), cold (hot) water regulating valve (19) and user side (22)
Air conditioning terminal (21) connects；
Hot water thermal insulating water tank (5) is by hot water regulating valve (24) and hot water circulating pump (23) and the hot water end of user side (22)
(20) connect；
In addition gas turbine (12) is also connected with grid-connecting apparatus (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620350094.XU CN205717461U (en) | 2016-04-25 | 2016-04-25 | A kind of compound clean energy resource central energy supply, domestic hot-water supply and electric power system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620350094.XU CN205717461U (en) | 2016-04-25 | 2016-04-25 | A kind of compound clean energy resource central energy supply, domestic hot-water supply and electric power system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205717461U true CN205717461U (en) | 2016-11-23 |
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ID=57295600
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| CN201620350094.XU Active CN205717461U (en) | 2016-04-25 | 2016-04-25 | A kind of compound clean energy resource central energy supply, domestic hot-water supply and electric power system |
Country Status (1)
| Country | Link |
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| CN (1) | CN205717461U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105757763A (en) * | 2016-04-25 | 2016-07-13 | 中节能先导城市节能有限公司 | Compound clean energy centralized energy supply, domestic hot water supply and power supply system |
-
2016
- 2016-04-25 CN CN201620350094.XU patent/CN205717461U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105757763A (en) * | 2016-04-25 | 2016-07-13 | 中节能先导城市节能有限公司 | Compound clean energy centralized energy supply, domestic hot water supply and power supply system |
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