CN208832572U - A kind of coupled system improving earth source heat pump Winter heat supply runnability using combustion gas trilogy supply waste heat - Google Patents
A kind of coupled system improving earth source heat pump Winter heat supply runnability using combustion gas trilogy supply waste heat Download PDFInfo
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- CN208832572U CN208832572U CN201821238341.2U CN201821238341U CN208832572U CN 208832572 U CN208832572 U CN 208832572U CN 201821238341 U CN201821238341 U CN 201821238341U CN 208832572 U CN208832572 U CN 208832572U
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Abstract
A kind of coupled system improving earth source heat pump Winter heat supply runnability using combustion gas trilogy supply waste heat, it includes gas internal combustion electric generator group and earth source heat pump unit；The feeder ear of the combustion gas internal-combustion engine unit is connect with the earth source heat pump unit；The exhanst gas outlet of the combustion gas internal-combustion engine unit is sequentially connected silencer, denitration mixer, Benitration reactor, cold/hot water machine of lithium bromide group and flue gas condenser by pipeline；The ground source water inlet of the earth source heat pump unit is connect with the hot water outlet of the flue gas condenser by pipeline, and the cold water inlet of the flue gas condenser is connect with underground pipe.The utility model uses the coupled modes of combustion gas combined supply system and ground-source heat pump system, is complementary to one another two kinds of energy supplying systems, can be improved the economy of project, stable and reliable operation, highly-safe.
Description
Technical field
The utility model relates to a kind of energy supply coupled systems, especially a kind of to improve ground source heat using combustion gas trilogy supply waste heat
Pump the coupled system of Winter heat supply runnability.
Background technique
Combustion gas cold, heat and electricity triple supply system: the cold and hot Electricity Federation of gas internal-combustion engine and cold/hot water machine of lithium bromide group composition
For device be it is a kind of foundation on the basis of the thermodynamic principles of cascaded utilization of energy, by non-renewable energy according to the quality energy of the energy
Power supply, the heat supply, cooling supply joint supply device for carrying out cascade utilization, follow the first, second law of thermodynamics.In cold and hot Electricity Federation
For in device, the flue gas and jacket water waste heat of jet dynamic control directly feed cold/hot water machine of lithium bromide group, this straight
The mode for connecing docking not only has that structure is simple, energy utilization rate is high, process flow smoothly outstanding advantages, also has to reduce and change
The high feature of hot link, the thermal efficiency.
Smoke waste heat utilization system: 540 DEG C of flue gases are discharged in gas internal-combustion engine in combustion gas cold, heat and electricity triple supply system, into bromine
120 DEG C of flue gases are discharged after changing lithium-absorbing formula water chiller-heater unit, realize temperature counterpart, cascade utilization.
Combustion gas combined supply system provides drive energy by ground-source heat pump system: the electric power that combustion gas combined supply system issues mentions
Earth source heat pump is supplied, while also increasing the power generation hourage of gas internal-combustion engine.Ground-source heat pump system can also undertake trough-electricity rank
The cooling and heating load of section.Two kinds of energy-provision way are complementary to one another, form is more flexible for energy supply, economy more preferably, clean energy resource it is efficient
Utilize the discharge that pollutant can be reduced with renewable energy.
However, in actual implementation, since the exhaust gas temperature of combustion gas combined supply system is 120 degrees Celsius, this partial heat
Since temperature is low, recycles inconvenient and be directly discharged to external environment more, occur the phenomenon that chimney emits white cigarette, a side in winter
Face rings the appearance of the city, on the other hand causes energy waste.Ground-source heat pump system in Winter of Beijing actual motion, design by ground source
Coolant-temperature gage is generally 10 DEG C, when actual motion when end load is lower, often occurs in morning after continuous operation one day
Ground source temperature is too low and stoppage protection, discontinuous unstable.
Utility model content
The operation of earth source heat pump Winter heat supply is improved using combustion gas trilogy supply waste heat the purpose of the utility model is to provide a kind of
The coupled system of performance, by combustion gas trilogy supply waste heat deep exploitation, both can solve combustion gas combined supply system winter emits white cigarette
The problem of, and with the can solve earth source heat pump winter too low bring stoppage protection problem of source temperature, and then improve ground source
The heating performance coefficient of heat pump winter operation.
To achieve the above object, the utility model takes following technical scheme:
A kind of coupled system improving earth source heat pump Winter heat supply runnability using combustion gas trilogy supply waste heat, it includes combustion
Gas internal combustion engine generator group and earth source heat pump unit；The feeder ear of the combustion gas internal-combustion engine unit is connect with the earth source heat pump unit；
The exhanst gas outlet of the combustion gas internal-combustion engine unit is sequentially connected silencer, denitration mixer, Benitration reactor, bromination by pipeline
Lithium-absorbing formula water chiller-heater unit and flue gas condenser；The ground source water inlet of the earth source heat pump unit and the flue gas condenser
Hot water outlet is connected by pipeline, and the cold water inlet of the flue gas condenser is connect with underground pipe.
Further, the cold water flow in the underground pipe be greater than the flue gas condenser in flue gas flow two/
One.
Further, the flue-gas temperature in the gas inlet of the flue gas condenser is 120 DEG C, the flue gas in exhanst gas outlet
Temperature is 30 DEG C.
Further, the cold water temperature in the underground pipe is 10 DEG C, the ground source water inlet of the earth source heat pump unit
Interior cold water temperature is 12-15 DEG C.
The beneficial effects of the utility model are: the utility model uses the coupling of combustion gas combined supply system and ground-source heat pump system
Conjunction mode is complementary to one another two kinds of energy supplying systems, can be improved the economy of project, stable and reliable operation, highly-safe, can
For the power generation of the buildings such as commercial garden, market, hotel, hospital, office building, refrigeration and heating.
Detailed description of the invention
Fig. 1 is the coupled systemes that the utility model improves earth source heat pump Winter heat supply runnability using combustion gas trilogy supply waste heat
The structural schematic diagram of system.
Specific embodiment
In order to which the technical solution of the utility model and beneficial effect is more clearly understood, with reference to embodiments with it is attached
Figure, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain
The utility model is not used to limit the utility model.
As shown in Figure 1, the utility model provides a kind of utilization combustion gas trilogy supply waste heat raising earth source heat pump Winter heat supply fortune
The coupled system of row performance, for energy supply construction area 100,000 square meters~1,000,000 square meters large area energy centre simultaneously
In the case where hot and cold, electricity demanding, the coupled system of three kinds of systems, it includes gas internal combustion electric generator group 1 and earth source heat pump
Unit (meaning not shown).The feeder ear of the combustion gas internal-combustion engine unit 1 is connect with the earth source heat pump unit.The combustion gas internal-combustion engine
The exhanst gas outlet of unit 1 is sequentially connected silencer 2, denitration mixer 3, Benitration reactor 4, lithium bromide absorption cold by pipeline
Hot water units 5 and flue gas condenser 6.The ground source water inlet and the hot water of the flue gas condenser 6 of the earth source heat pump unit go out
Mouth is connected by pipeline, and the cold water inlet of the flue gas condenser 6 is connect with underground pipe 7.In the gas inlet of the flue gas condenser 6
Flue-gas temperature be 120 DEG C, flue-gas temperature in exhanst gas outlet is 30 DEG C.Cold water temperature in the underground pipe 7 is 10 DEG C, the ground
Cold water temperature in the ground source water inlet of source heat pump unit is 12-15 DEG C.
To guarantee that coupled system flue gas is less than or equal to 30 DEG C, and earth source heat pump unit in the temperature that flue gas condenser 6 exports
Cold water temperature is more than or equal to 12 DEG C before middle ground source cold water enters earth source heat pump unit, and the cold water flow in the underground pipe 7 is greater than
The half of flue gas flow in the flue gas condenser 6.
The working-flow of the utility model is as follows: 540 DEG C of flue gases that gas internal combustion electric generator group 1 generates, logical first
It crosses silencer 2 to eliminate the noise, subsequently into denitration mixer 3 and mixing duct and Benitration reactor 4, be carried out with denitrating catalyst
It is sufficiently mixed and reacts, carry out denitration decarburization；It enters back into the heat exchange of cold/hot water machine of lithium bromide group 5 and generates hot water for supplying
Warm, flue-gas temperature is reduced to 120 DEG C at this time；Flue gas after utilization enters back into flue gas condenser 6, with 10 DEG C from underground pipe 7
Cold water sufficiently exchanged heat, such flue-gas temperature can be reduced to 30 DEG C, and a large amount of Water vapor condensations are precipitated in flue gas, winter cigarette
Chimney will can't see white cigarette, and the design temperature that ground-source heat pump ground source enters unit is improved by 10 DEG C to 12~15 DEG C of (sources everywhere
Side cold water flow changes and changes), since ground source water temperature is too low when being run so as to avoid earth source heat pump winter extreme operating condition
And stoppage protection problem is brought, and coefficient of performance in heating when further improving heat pump winter operation.
The advantages of the utility model, is as follows:
1. the utility model uses two kinds of energy supplying systems for combustion gas combined supply system, ground-source heat pump system；Combustion gas trilogy supply
System is a kind of energy-provision way of the cascade utilization of clean energy resource natural gas, and ground-source heat pump system is a kind of to utilize renewable energy
Energy-provision way；Two kinds of systems are the energy supplying system of energy-saving and environmental protection.
2. occur the phenomenon that chimney emits white cigarette in winter since the exhaust gas temperature of combustion gas combined supply system is 120 degrees Celsius,
On the one hand the appearance of the city is influenced, energy waste is on the other hand caused.Using the utility model, to 120 degrees Celsius of flue gas deep exploitations, into
One step reduces temperature to 30 degrees Celsius hereinafter, solving the problems, such as that combustion gas combined supply system winter chimney emits white cigarette.
3. in Winter of Beijing actual motion, often there is ground in morning after continuous operation one day in ground-source heat pump system
Source temperature is too low and stoppage protection, discontinuous unstable.If the coupled modes proposed using the utility model, Ke Yiti
Highland source cold water enters the temperature of unit, improves safety, the stability of earth source heat pump operation.
4. use the utility model, so that combustion gas combined supply system is complementary to one another with ground source heat system, that improves project can
Utilization of regenerative energy rate improves the power generation hourage of generator, solves the problems, such as to emit white cigarette, enhances the safety and stability of unit operation
Property, so that respective advantage has been obtained bigger performance, the economy of project reaches best.
The above descriptions are merely preferred embodiments of the present invention, not makees to the structure of the utility model any
Formal limitation.It is any simple modification made by the above technical examples according to the technical essence of the present invention, equivalent
Variation and modification, in the range of still falling within the technical solution of the utility model.
Claims (4)
1. a kind of coupled system for being improved earth source heat pump Winter heat supply runnability using combustion gas trilogy supply waste heat, feature are existed
In it includes gas internal combustion electric generator group and earth source heat pump unit；The feeder ear and the ground source heat of the combustion gas internal-combustion engine unit
Pump assembly connection；The exhanst gas outlet of the combustion gas internal-combustion engine unit is sequentially connected silencer, denitration mixer, denitration by pipeline
Reactor, cold/hot water machine of lithium bromide group and flue gas condenser；The ground source water inlet of the earth source heat pump unit with should
The hot water outlet of flue gas condenser is connected by pipeline, and the cold water inlet of the flue gas condenser is connect with underground pipe.
2. the coupling according to claim 1 for improving earth source heat pump Winter heat supply runnability using combustion gas trilogy supply waste heat
System, it is characterised in that: the cold water flow in the underground pipe is greater than the half of flue gas flow in the flue gas condenser.
3. according to claim 1 or 2 improve earth source heat pump Winter heat supply runnability using combustion gas trilogy supply waste heat
Coupled system, it is characterised in that: the flue-gas temperature in the gas inlet of the flue gas condenser is 120 DEG C, in exhanst gas outlet
Flue-gas temperature is 30 DEG C.
4. the coupling according to claim 3 for improving earth source heat pump Winter heat supply runnability using combustion gas trilogy supply waste heat
System, it is characterised in that: the cold water temperature in the underground pipe is 10 DEG C, in the ground source water inlet of the earth source heat pump unit
Cold water temperature be 12-15 DEG C.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821238341.2U CN208832572U (en) | 2018-08-02 | 2018-08-02 | A kind of coupled system improving earth source heat pump Winter heat supply runnability using combustion gas trilogy supply waste heat |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821238341.2U CN208832572U (en) | 2018-08-02 | 2018-08-02 | A kind of coupled system improving earth source heat pump Winter heat supply runnability using combustion gas trilogy supply waste heat |
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2018
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