CN209246458U - Double thermal source complementary formula heat pump units - Google Patents
Double thermal source complementary formula heat pump units Download PDFInfo
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- CN209246458U CN209246458U CN201822148603.2U CN201822148603U CN209246458U CN 209246458 U CN209246458 U CN 209246458U CN 201822148603 U CN201822148603 U CN 201822148603U CN 209246458 U CN209246458 U CN 209246458U
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Abstract
The double thermal source complementary formula heat pump units of the utility model, including coolant circulating system, control system, water system, coolant circulating system includes air source heat pump system and water source heat pump system, it includes compressor, four-way valve, condenser, liquid storage device, the first expansion valve, the second expansion valve, third expansion valve, economizer, the first evaporator, the second evaporator, gas-liquid separator, water system includes hot-water supply system and sewerage, hot-water supply system and condenser carry out heat exchange, water temperature increases, and provides hot water；Sewerage exchanges heat with the second evaporator as heat source side, makes full use of sewage remaining energy.The double thermal source complementary formula heat pump units of the utility model, air source heat pump system is organized into thermal source complementary formula heat pump unit in pairs in conjunction with water source heat pump system, it realizes that air-source and the complementary of water source heat pump system utilize using control system, source side system is automatically selected according to use condition difference or two systems are operated together.
Description
Technical field
The utility model relates to a kind of double thermal source complementary formula heat pump units, especially band double evaporators, region can be broken through
Limitation, the double heat source heat pump hot-water heating system for improving unit efficiency.
Background technique
As the depth of world energy sources and economic structure adjusts, efficient, energy conservation, no pollution become the weight of processing environment problem
Index is wanted, heat is flowed to high temp objects from cryogenic object in a looping fashion by heat pump techniques working principle, can effectively be utilized
Low grade heat energy reaches energy saving purpose.
In the prior art, or using only air source heat pump supply of technology bath hot water, or using only water resource heat pump skill
Art supplies hot water, and two ways has limitation.Using air source heat pump supply of technology bath hot water, due to it is affected by environment compared with
Greatly, system fluctuation of service, inefficiency；Hot water is supplied using water source heat pump technology, it need to be in water resource than more rich place
It uses, use is by territory restriction.Therefore being badly in need of one kind can break through territorial environment limitation, stablizes offer hot water and save energy
The system in source.
Utility model content
The technical problem to be solved by the present invention is to provide a kind of double thermal source complementary formula heat pump units, and heat pump can be improved
The stability and operational efficiency of unit, and the heat for making full use of sewage to have, it is energy saving.
A kind of double thermal source complementary formula heat pump units, including it is coolant circulating system, hot for air source heat pump system and water source
Control system, the water system of switching between pumping system, the coolant circulating system include the air source heat pump circulatory system and water
Source heat pump circulating system, the coolant circulating system include compressor, four-way valve, condenser, liquid storage device, the first expansion valve,
Two expansion valves, third expansion valve, economizer, the first evaporator, the second evaporator, gas-liquid separator, the exhaust end of compressor with
The A mouth of four-way valve is connected, and the B mouth of four-way valve is connected with the import of condenser, and the outlet of condenser is connected with the import of liquid storage device,
The outlet of liquid storage device is connected with the entrance of the entrance of the first expansion valve, the second entrance of economizer, the second expansion valve respectively, and first
The outlet of expansion valve is connected with the first entrance of economizer, and the first outlet of economizer is connected with the gas supplementing opening of compressor, economical
The second outlet of device is connected with the entrance of third expansion valve, and the outlet of third expansion valve is connected with the import of the first evaporator, the
The outlet of two expansion valves is connected with the import of the second evaporator, the outlet of the first evaporator, the outlet of the second evaporator and four-way
The D mouth of valve is connected, and the C mouth of four-way valve is connected with the entrance of gas-liquid separator, the outlet of gas-liquid separator and the air-breathing of compressor
End is connected, and the water system includes hot-water supply system, sewerage, and hot-water supply system and condenser carry out heat exchange, sewage system
System is used as heat source side, exchanges heat with the second evaporator.
The double thermal source complementary formula heat pump units of the utility model, wherein first evaporator uses finned heat exchanger.
The double thermal source complementary formula heat pump units of the utility model, wherein second evaporator uses plate heat exchanger.
The double thermal source complementary formula heat pump units of the utility model, wherein the finned heat exchanger has blower.
The double thermal source complementary formula heat pump units of the utility model, wherein first expansion valve, the second expansion valve, third are swollen
Swollen valve is all made of electric expansion valve.
The double thermal source complementary formula heat pump unit differences from prior art of the utility model are, the double heat sources of the utility model
Complementary heat pump unit includes coolant circulating system, control system, coolant circulating system include compressor, four-way valve, condenser,
Liquid storage device, the first expansion valve, the second expansion valve, third expansion valve, economizer, the first evaporator, the second evaporator, gas-liquid separation
Device, water system include hot-water supply system and sewerage, and hot-water supply system and condenser carry out heat exchange, and sewerage is as heat
Source exchanges heat with the second evaporator, and air source heat pump system is organized thermal source complementary formula in pairs in conjunction with water source heat pump system
Heat pump unit realizes that air source heat pump system and the complementary of water source heat pump system utilize using control system, according to use condition
Difference selection source side system or two systems are operated together, and have both avoided the limitation in use condition and region, guarantee to stablize offer
Hot water, and improve unit overall operation efficiency.
Double thermal source complementary formula heat pump units of the utility model are described further with reference to the accompanying drawing.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the double thermal source complementary formula heat pump units of the utility model；
Wherein: 1, compressor；2, four-way valve；3, condenser；4, liquid storage device；5, the first expansion valve；6, the second expansion valve；7,
Third expansion valve；8, economizer；9, the first evaporator；10, the second evaporator；11, gas-liquid separator；100, refrigerant circulation system
System；200, hot-water supply system；300, sewerage.
Specific embodiment
As shown in Figure 1, the double thermal source complementary formula heat pump units of the utility model include coolant circulating system 100, for air
The control system of switching between source heat pump system and water source heat pump system, coolant circulating system include air source heat pump system with
Water source heat pump system, coolant circulating system include compressor 1, four-way valve 2, condenser 3, liquid storage device 4, the first expansion valve 5, second
Expansion valve 6, third expansion valve 7, economizer 8, the first evaporator 9, the second evaporator 10, gas-liquid separator 11.
As shown in Figure 1, the exhaust end of compressor 1 is connected with the A of four-way valve 2 mouth, the B mouth of four-way valve 2 and condenser 3 into
Mouth is connected, and the outlet of condenser 3 is connected with the import of liquid storage device 4, and the outlet of liquid storage device 4 is connected with throttle system.Throttle system
Be divided into three: first systematic is that the first expansion valve 5 is connected with economizer 8, and economizer 8 is connected with the gas supplementing opening of compressor 1；The
Two systems are that economizer 8, third expansion valve 7, the first evaporator 9 are sequentially connected；Third system is the second expansion valve 6 and
Two evaporators 10 are connected；The second system D mouth that enters four-way valve 2 in parallel with third system.Specific connection type are as follows:
The outlet of liquid storage device 4 respectively with the entrance of the first expansion valve 5, the second entrance of economizer 8, second expansion valve 6
Entrance is connected, and the outlet of the first expansion valve 5 is connected with the first entrance of economizer 8, the first outlet and compressor 1 of economizer 8
Gas supplementing opening be connected, the second outlet of economizer 8 is connected with the entrance of third expansion valve 7, the outlet of third expansion valve 7 and first
The import of evaporator 9 is connected, and the outlet of the second expansion valve 6 is connected with the import of the second evaporator 10, and the first evaporator 9 goes out
The outlet of mouth, the second evaporator 10 is connected with the D of four-way valve 2 mouth, and the C mouth of four-way valve 2 is connected with the entrance of gas-liquid separator 11,
The outlet of gas-liquid separator 11 is connected with the suction end of compressor 1, and water system includes hot-water supply system 200, sewerage 300,
Hot-water supply system 200 and condenser 3 carry out heat exchange, and sewerage 300 is used as heat source side, is changed with the second evaporator 10
Heat.
In the present embodiment, the first evaporator 9 uses finned heat exchanger, and finned heat exchanger has blower, the second evaporation
Device 10 uses plate heat exchanger, and the first expansion valve 5, the second expansion valve 6, third expansion valve 7 are electric expansion valve.
The refrigerant circulation process of this system is as follows:
(1) unit initial operating stage, the water temperature of cesspool start air source heat pump lower than 10 DEG C or when water level is lower than setting value
System, unit refrigerant operational process: compressor 1 → four-way valve, 2 → condenser, 3 → liquid storage device, 4 → economizer, 8 → third expansion valve
7 → the first 11 → compressors of evaporator 9 → four-way valve, 2 → gas-liquid separator 1.
Refrigerant passes through compressor 1, and 1 power consumption of compressor acting makes low-temp low-pressure cold media gas become high temperature and high pressure gas,
By in the A mouth of four-way valve 2, B mouthfuls of inflow condensers 3, in condenser 3 with the tap water in the pipeline of hot-water supply system 200
It exchanges heat, release high temperature heat heats tap water, and refrigerant becomes liquid from gaseous state, and the liquid refrigerant of high temperature and pressure passes through
Liquid storage device 4 is divided into two parts: a part enters in economizer 8, and entering back into third expansion valve 7 reduces refrigerant pressure, adjustment
Refrigerant flow makes refrigerant become low temperature and low pressure liquid, and flowing through the heat absorbed in air in the first evaporator 9 makes refrigerant
Gaseous state is become from liquid, after the D of four-way valve 2 mouth, C mouthfuls of inflow gas-liquid separators 11 carry out gas-liquid separation, enters back into compressor 1
In, complete a circulation；Another part passes through the first expansion valve 5, plays the role of reducing pressure by regulating flow, is changed using economizer 8
Heat, then compressor gas supplementing opening is flowed into, play the role of the delivery temperature for reducing compressor 1, while improving compressor air-discharging amount, reaches
The purpose of heating capacity is promoted under to low temperature environment.
(2) when cesspool water temperature is higher than 10 DEG C and water level is higher than setting value, start water source heat pump system, unit operation stream
Journey: 4 → the second expansion valve of compressor 1 → four-way valve, 2 → condenser, 3 → liquid storage device, 6 → the second evaporator 10 → four-way valve, 2 → gas
11 → compressor of liquid/gas separator 1.Refrigerant passes through compressor 1, and power consumption acting makes low-temp low-pressure cold media gas become high temperature and pressure
Gas, by the A mouth of four-way valve 2, B mouthfuls of inflow condensers 3, in condenser 3 in the pipeline of hot-water supply system 200 from
Water exchanges heat, and release high temperature heat heats tap water, provides hot water, refrigerant becomes liquid from gaseous state, high temperature and pressure
Liquid refrigerant passes through liquid storage device 4, and the blower of third expansion valve 7 and the first evaporator 9 is all in closed state at this time；Refrigerant
Enter the second expansion valve 6 by liquid storage device 4, becomes low-temp low-pressure liquid refrigerant, then flow into the second evaporator 10, with sewage
Water in the cesspool of system 300 exchanges heat, and refrigerant becomes gaseous state from liquid, into four-way valve 2, the D through four-way valve 2
Mouthful, C mouthful flow into gas-liquid separator 11 again, enter back into compressor 1, complete one recycle.
The double thermal source complementary formula heat pump units of the utility model, by air source heat pump system in conjunction with water source heat pump system, benefit
It with control system, controls air source heat pump system and water source heat pump system switches, realize the mutual of air-source and water source heat pump system
Mend utilize, source side system is automatically selected according to use condition difference or two systems are operated together, both avoided use condition and
The limitation in region, and unit overall operation efficiency is improved, reduce the initial cost of equipment.Wherein, hot-water supply system 200 and condensation
Device 3 carries out heat exchange, and water temperature increases, and achievees the purpose that provide hot water；Sewerage 300 is used as heat source side, with plate heat exchanger
I.e. the second evaporator 10 exchanges heat, and takes full advantage of sewage remaining energy.
When unit initial operating stage, it is less that bathing is drained into the water in cesspool, is not available water source heat pump system, at this time
Start air source heat pump system；With the operation of unit, water and temperature in cesspool are continuously increased, and are reached water resource heat pump and are opened
Dynamic condition, starts water source heat pump system, the operational efficiency of unit is relatively high at this time, and using the sewage after bathing as water source
The heat source side of heat pump system reduces the water consumption of system；Unit uses air injection enthalpy-increasing technology, even if in cold, severe cold area
Also it can normally absorb heat from air side, ensure that unit safety, efficient, reliability service.
Embodiment described above is only that preferred embodiments of the present invention are described, not practical to this
Novel range is defined, and under the premise of not departing from the spirit of the design of the utility model, those of ordinary skill in the art are to this
The various changes and improvements that the technical solution of utility model is made should all fall into the protection that the utility model claims book determines
In range.
Claims (5)
1. a kind of double thermal source complementary formula heat pump units, it is characterised in that: including coolant circulating system (100), for air-source heat
Control system, the water system of switching between pumping system and water source heat pump system, the coolant circulating system include air-source heat
Pump circulation system and the water resource heat pump circulatory system, the coolant circulating system includes compressor (1), four-way valve (2), condenser
(3), liquid storage device (4), the first expansion valve (5), the second expansion valve (6), third expansion valve (7), economizer (8), the first evaporator
(9), the second evaporator (10), gas-liquid separator (11), the exhaust end of compressor (1) are connected with the A mouth of four-way valve (2), four-way
The B mouth of valve (2) is connected with the import of condenser (3), and the outlet of condenser (3) is connected with the import of liquid storage device (4), liquid storage device
(4) outlet respectively with the entrance of the first expansion valve (5), the second entrance of economizer (8), the entrance phase of the second expansion valve (6)
Even, the outlet of the first expansion valve (5) is connected with the first entrance of economizer (8), the first outlet and compressor of economizer (8)
(1) gas supplementing opening is connected, and the second outlet of economizer (8) is connected with the entrance of third expansion valve (7), third expansion valve (7)
Outlet is connected with the import of the first evaporator (9), and the outlet of the second expansion valve (6) is connected with the import of the second evaporator (10),
Outlet, the outlet of the second evaporator (10) of first evaporator (9) are connected with the D mouth of four-way valve (2), the C mouth of four-way valve (2) with
The entrance of gas-liquid separator (11) is connected, and the outlet of gas-liquid separator (11) is connected with the suction end of compressor (1), the water system
System includes hot-water supply system (200), sewerage (300), and hot-water supply system (200) and condenser (3) carry out heat exchange, sewage
System (300) is used as heat source side, exchanges heat with the second evaporator (10).
2. double thermal source complementary formula heat pump units according to claim 1, it is characterised in that: first evaporator (9) is adopted
Use finned heat exchanger.
3. double thermal source complementary formula heat pump units according to claim 2, it is characterised in that: second evaporator (10) is adopted
Use plate heat exchanger.
4. double thermal source complementary formula heat pump units according to claim 3, it is characterised in that: the finned heat exchanger has
Blower.
5. double thermal source complementary formula heat pump units according to claim 4, it is characterised in that: first expansion valve (5),
Two expansion valves (6), third expansion valve (7) are all made of electric expansion valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822148603.2U CN209246458U (en) | 2018-12-20 | 2018-12-20 | Double thermal source complementary formula heat pump units |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822148603.2U CN209246458U (en) | 2018-12-20 | 2018-12-20 | Double thermal source complementary formula heat pump units |
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| Publication Number | Publication Date |
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| CN209246458U true CN209246458U (en) | 2019-08-13 |
Family
ID=67533783
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| Application Number | Title | Priority Date | Filing Date |
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| CN201822148603.2U Active CN209246458U (en) | 2018-12-20 | 2018-12-20 | Double thermal source complementary formula heat pump units |
Country Status (1)
| Country | Link |
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| CN (1) | CN209246458U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112628850A (en) * | 2020-12-21 | 2021-04-09 | 广州市城市规划勘测设计研究院 | Split type double-source heat pump air conditioning unit and operation method thereof |
| CN115077130A (en) * | 2022-05-31 | 2022-09-20 | 上海交通大学 | Double-heat-source heat pump type air carbon direct trapping system |
-
2018
- 2018-12-20 CN CN201822148603.2U patent/CN209246458U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112628850A (en) * | 2020-12-21 | 2021-04-09 | 广州市城市规划勘测设计研究院 | Split type double-source heat pump air conditioning unit and operation method thereof |
| CN115077130A (en) * | 2022-05-31 | 2022-09-20 | 上海交通大学 | Double-heat-source heat pump type air carbon direct trapping system |
| CN115077130B (en) * | 2022-05-31 | 2023-03-10 | 上海交通大学 | Double-heat-source heat pump type air carbon direct trapping system |
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