CN106678947A - Water-vapor energy heat pump air conditioning system capable of achieving ultralow temperature heating - Google Patents
Water-vapor energy heat pump air conditioning system capable of achieving ultralow temperature heating Download PDFInfo
- Publication number
- CN106678947A CN106678947A CN201710105470.8A CN201710105470A CN106678947A CN 106678947 A CN106678947 A CN 106678947A CN 201710105470 A CN201710105470 A CN 201710105470A CN 106678947 A CN106678947 A CN 106678947A
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- Prior art keywords
- water
- heat pump
- main frame
- heat
- low
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D15/00—Other domestic- or space-heating systems
- F24D15/04—Other domestic- or space-heating systems using heat pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B30/00—Heat pumps
- F25B30/06—Heat pumps characterised by the source of low potential heat
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28C—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA COME INTO DIRECT CONTACT WITHOUT CHEMICAL INTERACTION
- F28C1/00—Direct-contact trickle coolers, e.g. cooling towers
- F28C1/02—Direct-contact trickle coolers, e.g. cooling towers with counter-current only
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2500/00—Problems to be solved
- F25B2500/31—Low ambient temperatures
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Other Air-Conditioning Systems (AREA)
Abstract
The invention provides a water-vapor energy heat pump air conditioning system capable of achieving ultralow temperature heating and relates to the technical field of energy conservation and energy utilization. The water-vapor energy heat pump air conditioning system capable of achieving ultralow temperature heating is composed of a water-vapor energy collector, a low-temperature cold water main machine, a heat exchanger, a water-to-water heat pump main machine and a user system. According to the purpose of the system, the water-vapor energy collector is used for absorbing heat in air, the low-temperature cold water main machine is used for collecting low-grade heat, primarily improving the low-grade heat and supplying the heat serving as a heat source to the water-to-water heat pump main machine, the water-to-water heat pump main machine is used for secondarily improving the heat and supplying the heat serving as a heat source to the user system, stable heat supplying can be achieved in an ultralow temperature environment (minus 20 DEG C), the energy efficiency of the system is improved, the energy consumption of the system is reduced, the defects of existing air conditioning system cold and heat sources are avoided, more energy is saved, and the application regions and time of the air conditioning system are greatly expanded. The water-vapor energy heat pump air conditioning system capable of achieving ultralow temperature heating is simple in structure, convenient to operate and easy to construct, install and maintain in the later period, and reduces initial investment and operation cost.
Description
Technical field
The steam energy heat pump type air conditioning system that a kind of ultralow temperature of the present invention is heated is related to China's air-conditioning technical application
With the big field of energy-conservation two.
Background technology
In the current winter heating system of China, mainly there are fossil energy incendiary type, all kinds of heat pump type air conditioning system classes
Type, city thermal pipe network heating type etc..Wherein, fossil energy incendiary type is primarily referred to as all kinds of fire coals, combustion gas, oil burning boiler
The combusts fossil energy, so as to produce heat to be supplied to user；Heat pump type air conditioning system type refers to water resource heat pump, earth source heat pump, dirt
Water resource heat pump, air source heat pump etc. absorb all kinds of tow taste heats and are lifted and then provided heat to user using heat pump；City
The heating of city heat distribution pipe network refer to the thermal source such as large-scale Thermal Plant and thermal substation, thermal power station, by the use of its waste heat or used heat as
Supply the thermal source of user.
In this few class heat-supplying mode, environment was not only polluted using the method for the combusts fossil energy but also non-renewable energy had been reduced
Source, is most worthless mode；Require nearby there is large-scale thermal substation or steam power plant by the way of city thermal pipe network heating,
So as to be limited use condition；Using the heating of all kinds of heat pump modes be by the way of current most energy-conservation is also most environmentally friendly.And
All kinds of heat pumps have its limitation, as water source heat pump air conditioning system need to be close to water source, geothermal heat pump air-conditioning system need to
Lower well-digging, the easy frosting of air source heat pump etc., heat pump has certain limitation on using region and use time.
It is now widely used for heating of the steam energy heat pump type air conditioning system of In Middle And Lower Reaches of Changjiang River to area cold in winter and hot in summer
And refrigeration has obvious system advantage, its system is mainly using the steam energy collector similar to former cooling tower device in summer
To the tow taste heat carried out in air in high efficiency and heat radiation, winter absorption air, so that for water resource heat pump main frame provides Cooling and Heat Source,
Its system footprint area is small, adaptability is good, using in extensive range, but due to heat exchange medium temperature in steam energy collector in the winter time
It is relatively low（It is more less than -7 DEG C of situations）, accordingly enter and the medium temperature of outflow water resource heat pump main frame is lower, and heat pump main frame
Leaving water temperature is still required that and is maintained at more than 45 DEG C, so as to cause difficult water resource heat pump host-initiated, Energy Efficiency Ratio reduction, host work
Abnormal situations such as, occurs.
To avoid such situation from occurring, while enabling steam energy heat pump type air conditioning system in cold district, winter condition, low
Effec-tive Function in the case of warm high humidity, especially normally runs in the case of ultralow temperature, and spy proposes the steam that a kind of ultralow temperature is heated
Can heat pump type air conditioning system.
The content of the invention
The purpose of the steam energy heat pump type air conditioning system that a kind of ultralow temperature of the present invention is heated is using steam energy collector, low
, as one-level thermal source for water-water heat pump main frame provides heat, water-water heat pump main frame is as secondary source of heat for user is for warm cold water main unit
System provides heat, so as to provide the user heat by the low-grade heat source that step is lifted in air be heated, improves system
Efficiency, guarantee normal operation at low temperatures, it is to avoid the defect of existing all kinds of air-conditioning systems, more energy-conservation.
The technical scheme is that：The system is by steam energy collector 1, low-temperature cold water main frame 2, heat exchanger 3, water hydro-thermal
Pump main frame 4, custom system 5 are constituted.
Steam energy collector 1 is made up of tower body 1-1, blower fan 1-2, spray assemblies 1-3, water-collecting tray 1-4, and tower body 1-1 is provided with
Air intake 1-5, air outlet slit 1-6；
The spray assemblies 1-3 of steam energy collector 1 is connected by pipeline with the evaporator outlet of low-temperature cold water main frame 2；Water-collecting tray
1-4 is connected by pipeline with the evaporator inlet of low-temperature cold water main frame 2；In water-collecting tray 1-4 and the evaporator of low-temperature cold water main frame 2
Circulating pump B1 is housed on the pipeline between entrance；
The condensator outlet of low-temperature cold water main frame 2 is connected by pipeline with the high temperature side entrance of heat exchanger 3, in low-temperature cold water main frame
Circulating pump B2 is housed on the pipeline between 2 condensator outlet and the high temperature side entrance of heat exchanger 3；Low-temperature cold water main frame 2 it is cold
Condenser entrance is connected by pipeline with the high temperature side outlet of heat exchanger 3；
The low temperature side outlet of heat exchanger 3 is connected by pipeline with the evaporator inlet of water-water heat pump main frame 4, in heat exchanger 3
Circulating pump B3 is housed on the pipeline between the evaporator inlet of low temperature side outlet and water-water heat pump main frame 4；The low temperature side of heat exchanger 3
Entrance is connected by pipeline with the evaporator outlet of water-water heat pump main frame 4；
The condensator outlet of water-water heat pump main frame 4 is connected by pipeline with the entrance of custom system 5, in water-water heat pump main frame 4
Condensator outlet and the entrance of custom system 5 between pipeline on be equipped with circulating pump B4；The condenser of water-water heat pump main frame 4 enters
Mouth is connected by pipeline with the outlet of custom system 5.
The low-temperature cold water main frame for being used can be screw cold water main unit, or vortex cold water main unit, piston
Formula cold water main unit.
The water-water heat pump main frame for being used can be centrifugal water source heat pump, screw type water source heat pump, electromagnetic levitation type water water
Heat pump main frame.
The heat exchanger for being used can be plate type heat exchanger, it would however also be possible to employ pipe-clip type heat exchanger, double pipe heat exchanger etc.
All kinds of water water dividing wall type heat exchangers.
The antifreeze circulatory mediator of low temperature for being used requires that its solution does not occur icing phenomenon within -50 DEG C.
The steam energy heat pump type air conditioning system that a kind of ultralow temperature of the present invention is heated, compared with prior art, its feature is main
Have：
1. use steam energy collector using air middle-low grade heat extraction out as the thermal source of low-temperature cold water main frame；
2. thermal source of the tow taste heat as heat exchanger is lifted using low-temperature cold water main frame；
3. using heat exchanger as the heat-exchanger rig between low-temperature cold water main frame and water-water heat pump main frame；
4. the heat for being exchanged for using heat exchanger as water-water heat pump main frame thermal source；
5. the taste of water-water heat pump main frame lifting heat, heats as thermal source to custom system.
The system has the following advantages that：
1. low-temperature cold water main frame, the work of water-water heat pump main frame tandem as air-conditioning system thermal source, more acclimatization condition,
With strong adaptability, heat capacity adjustable range it is big, whole machine Energy Efficiency Ratio is high the characteristics of；
2. operating cost of the present invention is low, initial cost is low；
3. winter low temperature operating mode can adapt to, the stable operation under worst cold case, there is provided system effectiveness higher.
Brief description of the drawings
The present invention is described in further detail below in conjunction with the accompanying drawings.
Fig. 1 is schematic diagram of the present invention：
In figure, steam energy collector 1, low-temperature cold water main frame 2, heat exchanger 3, water-water heat pump main frame 4, custom system 5.
Single lined arrows represent the flow direction of flow media in pipeline in figure.
Fig. 2 is steam energy collector structure schematic diagram：
In figure, steam energy collector 1, tower body 1-1, blower fan 1-2, spray assemblies 1-3, water-collecting tray 1-4, air intake 1-5, air
Outlet 1-6.
Single lined arrows represent the flow direction of flow media in pipeline in figure, and double-lined arrow represents air-flow direction.
Specific embodiment
As shown in figure 1, a kind of steam energy heat pump type air conditioning system that heats of ultralow temperature of the invention is by steam energy collector 1, low
Warm cold water main unit 2, heat exchanger 3, water-water heat pump main frame 4, custom system 5 are constituted.
As shown in Fig. 2 steam energy collector 1 is made up of tower body 1-1, blower fan 1-2, spray assemblies 1-3, water-collecting tray 1-4, tower
Body 1-1 is provided with air intake 1-5, air outlet slit 1-6；
The described spray assemblies 1-3 of described steam energy collector 1 passes through the evaporation of pipeline and described low-temperature cold water main frame 2
Device outlet is connected；Described water-collecting tray 1-4 is connected by pipeline with the evaporator inlet of described low-temperature cold water main frame 2；Institute
Circulating pump B1 is housed on the pipeline between the water-collecting tray 1-4 and the evaporator inlet of described low-temperature cold water main frame 2 that state；
The condensator outlet of described low-temperature cold water main frame 2 is connected by pipeline with the high temperature side entrance of described heat exchanger 3,
It is equipped with pipeline between the high temperature side entrance of the condensator outlet of described low-temperature cold water main frame 2 and described heat exchanger 3 and is followed
Ring pump B2；The condenser inlet of described low-temperature cold water main frame 2 passes through the high temperature side outlet phase of pipeline and described heat exchanger 3
Even；
The low temperature side outlet of described heat exchanger 3 is connected by pipeline with the evaporator inlet of described water-water heat pump main frame 4,
It is equipped with pipeline between the low temperature side outlet of described heat exchanger 3 and the evaporator inlet of described water-water heat pump main frame 4
Circulating pump B3；The low temperature side entrance of described heat exchanger 3 passes through the evaporator outlet phase of pipeline and described water-water heat pump main frame 4
Connection；
The condensator outlet of described water-water heat pump main frame 4 is connected by pipeline with the entrance of described custom system 5, in institute
Circulating pump B4 is housed on the pipeline between the entrance of the condensator outlet of the water-water heat pump main frame 4 stated and described custom system 5；
The condenser inlet of described water-water heat pump main frame 4 is connected by pipeline with the outlet of described custom system 5.
The steam energy heat pump type air conditioning system workflow that a kind of ultralow temperature of the present invention is heated is as follows：
Low temperature winter condition：
1st, blower fan 1-2 is started working, and outdoor air is drawn into tower body 1-1 by air intake 1-5, is flowed through after tower body by air
Outlet 1-6 discharges；
2nd, spray assemblies 1-3 sprays the antifreeze circulatory mediator of low temperature, is contacted with each other with the air for flowing through in tower body 1-1, and low temperature is prevented
The heat frozen in circulatory mediator absorption air, temperature is raised, and the antifreeze circulatory mediator of low temperature after heat exchange is fallen into drip tray 1-4；
3rd, in the presence of circulating pump B1, the antifreeze circulatory mediator of low temperature is by being flowed into the steaming of low-temperature cold water main frame in water-collecting tray 1-4
In hair device, by refrigerant suction, the temperature of the antifreeze circulatory mediator of low temperature drops the heat of the antifreeze circulatory mediator of low temperature in evaporator
It is low, to flow through and spray again in the spray assemblies 1-3 that steam energy collector 1 is entered into after evaporator, formation is circulated；
4th, the refrigerant of low-temperature cold water main frame absorbs heat evaporation, the exothermic condensation in condenser, evaporator Inlet and outlet water in evaporator
Temperature passes in and out coolant-temperature gage at 20 DEG C or so in -50 DEG C and the above, condenser；
5th, circulating pump B2 driving cycles water is circulated between the condenser of low-temperature cold water main frame and the high temperature side of heat exchanger, is followed
Ring water absorbs heat in condenser, the heat release in heat exchanger；
6th, circulating pump B3 driving cycles water is in heat exchanger low temperature side and the evaporator internal circulation flow of water-water heat pump main frame, recirculated water
Heat release, the heat absorption in heat exchanger in evaporator；
7th, the refrigerant of water-water heat pump main frame absorbs heat evaporation, the exothermic condensation in condenser, evaporator Inlet and outlet water in evaporator
Temperature passes in and out coolant-temperature gage at 45 DEG C or so in 12 DEG C and the above, condenser；
8th, circulating pump B4 driving cycles water water-water heat pump main frame condenser and custom system internal circulation flow, recirculated water with
The heat release of family system, absorb heat in condenser.
Because outside air temperature is relatively low, cause the temperature of low-temperature circulating medium relatively low, master is heated hence into outflow
The low-temperature circulating medium temperature of machine is well below 0 DEG C, if the water outlet for heating main condenser side stills remain in more than 45 DEG C,
The great reduction of low-temperature cold water engine efficiency can then be caused.Lifted with water-water heat pump main frame two-stage using cold water main unit in the present invention
The mode of heat taste, the working range of low-temperature cold water main frame and water-water heat pump main frame all in optimum scope, therefore both
Operating efficiency is highest, and system whole efficiency is also highest.
The above, specific embodiment only of the invention, but protection scope of the present invention is not limited thereto, and it is any
Those of ordinary skill in the art disclosed herein technical scope in, the change that can expect without creative work or
Replace, should all be included within the scope of the present invention.Therefore, protection scope of the present invention should be limited with claims
Fixed protection domain is defined.
Claims (5)
1. the steam energy heat pump type air conditioning system that a kind of ultralow temperature is heated, it is characterised in that：
By steam energy collector (1), low-temperature cold water main frame (2), heat exchanger (3), water-water heat pump main frame (4), custom system (5) group
Into；Described steam energy collector (1) is made up of tower body (1-1), blower fan (1-2), spray assemblies (1-3), water-collecting tray (1-4),
Tower body (1-1) is provided with air intake (1-5), air outlet slit (1-6)；
The described spray assemblies (1-3) of described steam energy collector (1) pass through pipeline and described low-temperature cold water main frame (2)
Evaporator outlet be connected；Described water-collecting tray (1-4) passes through the evaporator inlet of pipeline and described low-temperature cold water main frame (2)
It is connected；The condensator outlet of described low-temperature cold water main frame (2) passes through the high temperature side entrance phase of pipeline and described heat exchanger (3)
Even；The condenser inlet of described low-temperature cold water main frame (2) passes through the high temperature side outlet phase of pipeline and described heat exchanger (3)
Even；
The low temperature side outlet of described heat exchanger (3) passes through the evaporator inlet phase of pipeline and described water-water heat pump main frame (4)
Connection；The low temperature side entrance of described heat exchanger (3) passes through the evaporator outlet phase of pipeline and described water-water heat pump main frame (4)
Connection；The condensator outlet of described water-water heat pump main frame (4) is connected by pipeline with the entrance of described custom system (5)
Connect；The condenser inlet of described water-water heat pump main frame (4) is connected by pipeline with the outlet of described custom system (5).
2. the steam energy heat pump type air conditioning system that a kind of ultralow temperature as claimed in claim 1 is heated, it is characterised in that：Described
Circulating pump B1 is housed, described on the pipeline between the evaporator inlet of water-collecting tray (1-4) and described low-temperature cold water main frame (2)
The condensator outlet of low-temperature cold water main frame (2) and the high temperature side entrance of described heat exchanger (3) between pipeline on equipped with following
Ring pump B2, between the low temperature side outlet of described heat exchanger (3) and the evaporator inlet of described water-water heat pump main frame (4)
Circulating pump B3 is housed, in the described condensator outlet of water-water heat pump main frame (4) and entering for described custom system (5) on pipeline
Circulating pump B4 is housed on the pipeline between mouthful.
3. the steam energy heat pump type air conditioning system that a kind of ultralow temperature as claimed in claim 1 is heated, it is characterised in that：Used
Low-temperature cold water main frame is screw cold water main unit or vortex cold water main unit or piston type cold water main unit；The water-water heat pump for being used
Main frame is centrifugal water resource heat pump or screw type water source heat pump or electromagnetic levitation type water-water heat pump main frame.
4. the steam energy heat pump type air conditioning system that a kind of ultralow temperature as claimed in claim 1 is heated, it is characterised in that：Used
Heat exchanger can be all kinds of water water dividing wall type heat exchangers such as plate type heat exchanger or pipe-clip type heat exchanger or double pipe heat exchanger.
5. the steam energy heat pump type air conditioning system that a kind of ultralow temperature as claimed in claim 1 is heated, it is characterised in that：Used
There is no icing phenomenon within -50 DEG C in the antifreeze circulatory mediator solution of low temperature.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710105470.8A CN106678947A (en) | 2017-02-26 | 2017-02-26 | Water-vapor energy heat pump air conditioning system capable of achieving ultralow temperature heating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710105470.8A CN106678947A (en) | 2017-02-26 | 2017-02-26 | Water-vapor energy heat pump air conditioning system capable of achieving ultralow temperature heating |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106678947A true CN106678947A (en) | 2017-05-17 |
Family
ID=58862095
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710105470.8A Pending CN106678947A (en) | 2017-02-26 | 2017-02-26 | Water-vapor energy heat pump air conditioning system capable of achieving ultralow temperature heating |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106678947A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107367088A (en) * | 2017-06-22 | 2017-11-21 | 湖南省德沃普储能有限公司 | A kind of cold, heat and power triple supply system based on energy-storage system and steam energy heat pump |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104990176A (en) * | 2015-08-05 | 2015-10-21 | 黄国和 | Air-conditioning system based on coupling of water vapour energy and sewage source |
| CN205049004U (en) * | 2015-08-06 | 2016-02-24 | 黄国和 | Upwards fountain removes haze steam ability collector |
| CN206683049U (en) * | 2017-02-26 | 2017-11-28 | 黄国和 | A kind of steam energy heat pump type air conditioning system of ultralow temperature heating |
-
2017
- 2017-02-26 CN CN201710105470.8A patent/CN106678947A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104990176A (en) * | 2015-08-05 | 2015-10-21 | 黄国和 | Air-conditioning system based on coupling of water vapour energy and sewage source |
| CN205049004U (en) * | 2015-08-06 | 2016-02-24 | 黄国和 | Upwards fountain removes haze steam ability collector |
| CN206683049U (en) * | 2017-02-26 | 2017-11-28 | 黄国和 | A kind of steam energy heat pump type air conditioning system of ultralow temperature heating |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107367088A (en) * | 2017-06-22 | 2017-11-21 | 湖南省德沃普储能有限公司 | A kind of cold, heat and power triple supply system based on energy-storage system and steam energy heat pump |
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