CN110440365A - A kind of multi-source complementation heat pump system having both hot water preparation and air conditioning function - Google Patents

A kind of multi-source complementation heat pump system having both hot water preparation and air conditioning function Download PDF

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Publication number
CN110440365A
CN110440365A CN201910734110.3A CN201910734110A CN110440365A CN 110440365 A CN110440365 A CN 110440365A CN 201910734110 A CN201910734110 A CN 201910734110A CN 110440365 A CN110440365 A CN 110440365A
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China
Prior art keywords
port
heat exchanger
water
connect
valve
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Granted
Application number
CN201910734110.3A
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Chinese (zh)
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CN110440365B (en
Inventor
李岩
孙林娜
张淑彦
郑海武
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Zhongke Huirong Hebei Energy Technology Co ltd
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Yanshan University
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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/62Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
    • F24F11/63Electronic processing
    • F24F11/65Electronic processing for selecting an operating mode
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/70Control systems characterised by their outputs; Constructional details thereof
    • F24F11/80Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
    • F24F11/83Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers
    • F24F11/84Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers using valves
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/70Control systems characterised by their outputs; Constructional details thereof
    • F24F11/80Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
    • F24F11/83Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers
    • F24F11/85Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers using variable-flow pumps
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/30Arrangement or mounting of heat-exchangers
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F5/00Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
    • F24F5/0046Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater using natural energy, e.g. solar energy, energy from the ground
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24HFLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H4/00Fluid heaters characterised by the use of heat pumps
    • F24H4/02Water heaters
    • F24H4/04Storage heaters
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24HFLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H9/00Details
    • F24H9/0005Details for water heaters
    • F24H9/0042Cleaning arrangements
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24HFLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H9/00Details
    • F24H9/16Arrangements for water drainage 
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24HFLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H9/00Details
    • F24H9/18Arrangement or mounting of grates or heating means
    • F24H9/1809Arrangement or mounting of grates or heating means for water heaters
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/12Hot water central heating systems using heat pumps

Abstract

The present invention discloses a kind of multi-source complementation heat pump system for having both hot water preparation and air conditioning function, comprising: heating water tank, fan coil, First Heat Exchanger, the second heat exchanger, third heat exchanger, compressor, electric expansion valve, foul water tank, sewage heat exchanger, tap-water preheater and underground pipe;The present invention is complementary by the application of the low-temperature heat sources such as air, sewage and soil or heat sink, flexibly switched by all kinds of operating conditions and meets the needs of prepared by the annual stable heating of building, air conditioner refrigerating and domestic hot-water, it realizes a tractor serves several purposes, improves utilization rate of equipment and installations, energy saving preparation cost.

Description

A kind of multi-source complementation heat pump system having both hot water preparation and air conditioning function
Technical field
The present invention relates to water heating, refrigeration, heating equipment technical fields, have both hot water preparation and sky more particularly to one kind The multi-source complementation heat pump system of conditioning function.
Background technique
Building heat supplying, to freeze and prepare hot water be civil buildings and the indispensable a part of public building, existing building Hot water heating, air conditioner refrigerating and water heater is mostly used to prepare the mode of hot water.
In terms of heating, it is big to directly adopt the Electric heatings power consumption such as electric boiler, water heater, higher cost.And it is electronic Compression heat pump heats power is high, and heating cost only has the 1/3~1/4 of electric boiler, and can meet cooling in summer simultaneously It is required that being a kind of more energy-efficient heating mode.
Common electric heat pump includes air source heat pump, soil source heat pump, sewage source heat pump etc., and air source heat pump is with air Low-temperature heat source or heat sink have broad applicability, but winter outside air temperature is too low, and heating effect is bad;Soil source heat pump Using underground heat as low-temperature heat source or heat sink, annual ground temperature is more stable, but since the soil moisture is lower, needs to lay a large amount of buried Pipe, investment is larger, and there are the unbalanced problems of Summer and winter soil heat;Sewage source heat pump using sanitary sewage as low-temperature heat source or Heat sink, waste water temperature many places are in 20 DEG C or more and annual fluctuation is smaller, but heat pump heating capacity is limited by wastewater flow rate, and heat supply can It is poor by property;In addition to this, the method for operation that above-mentioned heat pump mostly uses purpose single not only causes the significant wastage of condensation heat, and Annual heating and refrigeration cannot be met simultaneously to require, need to assist with other heat source ways such as floor heating, electric heater etc., and The heat pump system for having there is heat supply, having freezed and preparing hot water, system are merely able to meet the requirement for preparing hot water in winter, summer There is still a need for pipe auxiliary electric water heater, shortage system flexibly switches adaptability to changes.
Summary of the invention
The object of the present invention is to provide a kind of multi-source complementation heat pump system for having both hot water preparation and air conditioning function, Neng Gouman The demand of the annual required heat supply of foot building, air conditioner refrigerating and domestic hot-water's preparation, really realizes a tractor serves several purposes, builds reducing The utilization rate of equipment is improved while the energy consumption of heat supply and refrigeration.
To achieve the above object, the present invention provides the following technical scheme that
It is a kind of have both hot water preparation and air conditioning function multi-source complementation heat pump system, comprising: heating water tank, fan coil, First Heat Exchanger, the second heat exchanger, third heat exchanger, compressor, electric expansion valve, sewage heat exchanger, tap-water preheater and Underground pipe;
The first circulation mouth of the heating water tank is connect with the first tap water port of the second heat exchanger, heats the of water tank Two circulation ports are connect with the second tap water port of the second heat exchanger, heat the outlet of the water supplement port and tap-water preheater of water tank Connection;
First tap water port of the first circulation mouth of the fan coil and First Heat Exchanger connects, and the of fan coil The connection of second tap water port of two circulation ports and First Heat Exchanger;
First working medium port of the First Heat Exchanger respectively with electric expansion valve first port and electric expansion valve second Port connection;Second working medium port of First Heat Exchanger is connect with compressor inlet and compressor outlet respectively;
First working medium port of second heat exchanger is connect with electric expansion valve first port;The second of second heat exchanger Working medium port is connect with compressor outlet;
First working medium port of the third heat exchanger respectively with electric expansion valve first port and electric expansion valve second Port connection;Second working medium port of third heat exchanger is connect with compressor inlet and compressor outlet respectively;Third heat exchanger The first tap water port connect with underground pipe import and sewage heat exchanger import;Second tap water port of third heat exchanger with Underground pipe outlet connection and sewage heat exchanger outlet connection.
Optionally, further include the first four-way valve, the second four-way valve, the first triple valve, the second triple valve, third triple valve and 4th triple valve;
The first port of first four-way valve is connect with the first working medium port of third heat exchanger, and the of the first four-way valve Two-port netwerk is connect with the second port of the first triple valve, the third port of the first four-way valve and the first working medium end of First Heat Exchanger Mouth connection, the 4th port of the first four-way valve is connect with electric expansion valve second port;
The first port of second four-way valve is connect with the second working medium port of third heat exchanger, and the of the second four-way valve Two-port netwerk is connect with the second port of the second triple valve, the third port of the second four-way valve and the second working medium end of First Heat Exchanger Mouth connection, the 4th port of the second four-way valve is connect with compressor inlet;
The first port of first triple valve and the first port of electric expansion valve connect, and the of first triple valve Three ports are connect with the first working medium port of the second heat exchanger;
The outlet of the first port of second triple valve and compressor connects, the third port of second triple valve with Second working medium port of the second heat exchanger connects;
The first port of the third triple valve is connect with sewage heat exchanger import, the second port of the third triple valve It is connect with underground pipe import, the third port of the third triple valve is connect with the first tap water port of third heat exchanger;
First port and the sewage heat exchanger outlet of 4th triple valve connect, the second port of the 4th triple valve It is connect with the outlet of underground pipe, the third port of the 4th triple valve is connect with the second tap water port of third heat exchanger.
It optionally, further include foul water tank, the foul water tank is for containing filtered sewage.
It optionally, further include sewage pump, the water outlet of the sewage pump and the import of foul water tank connect.
It optionally, further include filter, the water outlet of described filter one end and sewage pump connects, the other end and foul water tank Import connection.
It optionally, further include drain valve, the outlet connection of the drain valve and foul water tank.
It optionally, further include feed pump, the water outlet of the feed pump and the import of tap-water preheater connect.
It optionally, further include gate valve, the water outlet connection of described gate valve one end and feed pump, the other end and tap water preheat The import of device connects.
The specific embodiment provided according to the present invention, the invention discloses following technical effects:
The present invention by will heat water tank, fan coil, heat exchanger, compressor, electric expansion valve, underground pipe, foul water tank, Sewage heat exchanger, tap-water preheater and underground pipe carry out pipeline and connect, and can satisfy building annual heat supply, refrigeration and heating Water demand realizes a tractor serves several purposes, improves energy utilization rate, in addition, the present invention is using underground heat as main heating source, while having both free Gas source and source of sewage realize that soil takes the balance of heat with accumulation of heat as auxiliary thermal source, by switching operating condition, reduce building energy consumption at This.
Detailed description of the invention
It in order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, below will be to institute in embodiment The attached drawing used is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, right For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings His attached drawing.
Fig. 1 is a kind of structural schematic diagram for the multi-source complementation heat pump system for having both hot water preparation and air conditioning function of the present invention;
Fig. 2, which is that heat supply of the embodiment of the present invention is simultaneous, prepares hot-water mode circulation loop schematic diagram;
Fig. 3, which is that refrigeration of the embodiment of the present invention is simultaneous, prepares hot-water mode circulation loop schematic diagram;
Fig. 4 is that hot-water mode circulation loop schematic diagram is prepared separately in the embodiment of the present invention;
Fig. 5 is separate refrigeration of embodiment of the present invention cycle of modes circuit diagram;
Fig. 6 is the independent heat supply mode circulation loop schematic diagram of the embodiment of the present invention;
Description of symbols: 1- heating water tank, 2- fan coil, 3- First Heat Exchanger, the second heat exchanger of 4-, 5- third are changed Hot device, 6- compressor, 7- electric expansion valve, 8- foul water tank, 9- sewage heat exchanger, 10- tap-water preheater, 11- underground pipe, 12- drain valve, 13- gate valve, 14- feed pump, 15- filter, 16- sewage pump, the first four-way valve of 17-, the second four-way valve of 18-, The first triple valve of 19-, the second triple valve of 20-, 21- third triple valve, the 4th triple valve of 22-.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other Embodiment shall fall within the protection scope of the present invention.
The object of the present invention is to provide a kind of multi-source complementation heat pump system for having both hot water preparation and air conditioning function, Neng Gouman The demand of the annual required heat supply of foot building, refrigeration and domestic hot-water's preparation, while the energy consumption of building heat supplying and refrigeration is reduced, it is real Existing a tractor serves several purposes, improves the utilization rate of equipment.
In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, with reference to the accompanying drawing and specific real Applying mode, the present invention is described in further detail.
Fig. 1 is a kind of structural schematic diagram for the multi-source complementation heat pump system for having both hot water preparation and air conditioning function of the present invention, As shown in Figure 1, a kind of multi-source complementation heat pump system for having both hot water preparation and air conditioning function, comprising: heating water tank 1, fan unit Pipe 2, First Heat Exchanger 3, the second heat exchanger 4, third heat exchanger 5, compressor 6, electric expansion valve 7, foul water tank 8, sewage heat change Device 9, tap-water preheater 10, underground pipe 11, drain valve 12, gate valve 13, feed pump 14, filter 15, sewage pump the 16, the 1st Port valve 17, the second four-way valve 18, the first triple valve 19, the second triple valve 20, third triple valve 21, the 4th triple valve 22.
Wherein, it is connected by pipeline between above-mentioned all parts, specific:
The first circulation mouth of heating water tank 1 is connect with the first tap water port of the second heat exchanger 4, heats the of water tank 1 Two circulation ports are connect with the second tap water port of the second heat exchanger 4, heat the water supplement port and tap-water preheater 10 of water tank 1 Outlet connection, the water outlet of heating water tank 1 are connected to bathing for water end (W.E.), and the import of tap-water preheater 10 connects the one of gate valve 13 End, the water outlet of the other end connection feed pump 14 of gate valve 13;The of the first circulation mouth of fan coil 2 and First Heat Exchanger 3 The connection of one tap water port, the second circulation mouth of fan coil 2 are connect with the second tap water port of First Heat Exchanger 3;First First working medium port of heat exchanger 3 is connect with the third port of the first four-way valve 17, the second working medium port of First Heat Exchanger 3 with The third port of second four-way valve 18 connects;First working medium port of the second heat exchanger 4 and the third port of the first triple valve 19 Connection, the third port connection of second the second triple valve of working medium port 20 of the second heat exchanger 4;First work of third heat exchanger 5 Matter port is connect with the first port of the first four-way valve 17, the second working medium port and the second four-way valve 18 of third heat exchanger 5 First port connection;First tap water port of third heat exchanger 5 is connect with the third port of third triple valve 21, third heat exchange Second tap water port of device 5 is connect with the third port of the 4th triple valve 22;The second port and first of first four-way valve 17 The second port of triple valve 19 connects, and the 4th port of the first four-way valve 17 is connect with the second port of electric expansion valve 7;Second The second port of four-way valve 18 is connect with the second port of the second triple valve 20, the 4th port of the second four-way valve 18 and compressor 6 import connection;The first port of first triple valve 19 is connect with the first port of electric expansion valve 7;Second triple valve 20 First port is connect with the outlet of compressor 6;The first port of third triple valve 21 is connect with 9 import of sewage heat exchanger, third The second port of triple valve 21 is connect with the import of underground pipe 11;The first port of 4th triple valve 22 goes out with sewage heat exchanger 9 Mouth connection, the second port of the 4th triple valve 22 are connect with the outlet of underground pipe 11;Sewage heat exchanger 9 and tap-water preheater 10 It is placed in foul water tank 8, foul water tank 8 is also used to contain sewage, the outlet of the import connection filter 15 of foul water tank 8, foul water tank Outlet connect drain valve 12, filter 15 import connection sewage pump 16 water outlet.
Wherein, the effect of underground pipe 11 is the pipeline that soil takes heat and backheat, can be realized soil whole year thermal balance;Sewage For pump 16 for the sewage that trunk sewer is collected to be drawn into foul water tank 8, the sewage in foul water tank 8 can heat sewage heat exchanger 9 and tap-water preheater 10 in tap water, then by open drain valve 12 can by foul water tank cool down after sewage arrange Out;So the low-temperature heat source that the present invention uses is respectively the source of sewage and wind of the soil source of underground pipe acquisition, foul water tank acquisition The air-source of machine coil pickup, when system heat supply, third heat exchanger is equivalent to evaporator, using soil source and source of sewage as low Temperature-heat-source, while First Heat Exchanger, the second heat exchanger are equivalent to condenser;When cooling system, First Heat Exchanger is equivalent to steaming Device is sent out, using air-source as low-temperature heat source, while the second heat exchanger, third heat exchanger are equivalent to condenser.
Present invention tool is there are five types of cycle of modes circuit: heat supply is simultaneous to prepare that hot water, refrigeration is simultaneous prepares hot water, heat is prepared separately Water, separate refrigeration, independent heat supply.
Specific work process of the invention is as follows:
Heat supply is simultaneous to be prepared hot-water mode and is divided into and be as low-temperature heat source, with soil-sewage as low-temperature heat source, using soil using sewage Low-temperature heat source Three models, as shown in Figure 2:
(1) using sewage as low-temperature heat source operational mode: opening compressor 6, sewage pump 16, feed pump 14, refrigerant flowing Process: refrigerant is flowed out by compressor 6, enters First Heat Exchanger 3 through the second triple valve 20, the second four-way valve 18 respectively, through the Two triple valves 20 enter the second heat exchanger 4, and the refrigerant that First Heat Exchanger 3 flows out is through the first four-way valve 17 and the second heat exchanger 4 The refrigerant of outflow meets at the first triple valve 19, enters third heat exchanger 5 using electric expansion valve 7, the first four-way valve 17, The refrigerant that third heat exchanger 5 flows out is back in compressor 6 through the second four-way valve 18;Fan coil 2 and First Heat Exchanger 3 connect Water in adapter tube road enters the room fan coil 2, exchanges heat with room air, reaches heating effect, heats water tank 1 and the second heat exchange Water in the connecting pipe of device 4 enters heating water tank 1, exchanges heat with the cold water in water tank, reaches and prepare hot water purpose;Third is changed The water that hot device 5 flows out enters sewage heat exchanger 9 through third triple valve 21, is directly heated by sewage, the water after heating is through the four or three Port valve 22 enters third heat exchanger 5;Tap water enters tap-water preheater 10, tap-water preheater 10 through the pressurization of feed pump 14 In water directly heated by sewage after enter water heating case 1, heat water tank 1 in hot water can be directly used for taking a shower;Sewage is through sewage 16 pressurization of pump enters in filter 15, and foul water tank 8 is entered after filter sewage impurity, heats sewage heat exchanger 9 and tap water heat exchange Trunk sewer is discharged to through drain valve 12 after water in device 10;
(2) using soil as low-temperature heat source operational mode: opening compressor 6, feed pump 14, close sewage pump 16, refrigerant Flow process: refrigerant is flowed out by compressor 6, enters First Heat Exchanger 3 through the second triple valve 20, the second four-way valve 18 respectively, Enter the second heat exchanger 4 through the second triple valve 20, the refrigerant that First Heat Exchanger 3 flows out is through the first four-way valve 17 and the second heat exchange The refrigerant that device 4 flows out meets at the first triple valve 19, enters third using electric expansion valve 7, the first four-way valve 17 and exchanges heat Device 5, the refrigerant that third heat exchanger 5 flows out are back in compressor 6 through the second four-way valve 18;Fan coil 2 and the first heat exchange Water in 3 connecting pipe of device enters fan coil 2, exchanges heat with room air, reaches heating effect, and heating water tank 1 is changed with second Water in the connecting pipe of hot device 4 enters heating water tank 1, exchanges heat with the cold water in water tank, reaches and prepare hot water purpose;Third The water that heat exchanger 5 flows out enters underground pipe 11 through third triple valve 21, enters the through the 4th triple valve 22 after being heated by soil Three heat exchangers 5;Tap water enters tap-water preheater 10 through the pressurization of feed pump 14, and the water in tap-water preheater 10 is not heated It is directly entered heating water tank 1, heating hot water in water tank 1 can be directly used for taking a shower;
(3) using soil-sewage as low-temperature heat source operational mode: opening compressor 6, sewage pump 16, feed pump 14, refrigerant Flow process: refrigerant is flowed out by compressor 6, enters First Heat Exchanger 3 through the second triple valve 20, the second four-way valve 18 respectively, Enter the second heat exchanger 4 through the second triple valve 20, the refrigerant that First Heat Exchanger 3 flows out is through the first four-way valve 17 and the second heat exchange The refrigerant that device 4 flows out meets at the first triple valve 19, enters third using electric expansion valve 7, the first four-way valve 17 and exchanges heat Device 5, the refrigerant that third heat exchanger 5 flows out are back in compressor 6 through the second four-way valve 18;Fan coil 2 and the first heat exchange Water in 3 connecting pipe of device enters fan coil 2, exchanges heat with room air, reaches heating effect, and heating water tank 1 is changed with second Water in the connecting pipe of hot device 4 enters heating water tank 1, exchanges heat with the cold water in water tank, reaches and prepare hot water purpose;Third The water that heat exchanger 5 flows out enters sewage heat exchanger 9 through third triple valve 21 respectively, is directly heated by sewage;Through third triple valve 21 enter underground pipe 11, can be directly heated by ground, and the water that the water and underground pipe 11 that sewage heat exchanger 9 exports export meets at the 4th Triple valve 22 enters third heat exchanger 5;Tap water enters tap-water preheater 10, tap water preheating through the pressurization of feed pump 14 Tap water in device 10 enters water heating case 1 after being directly heated by sewage, and heating hot water in water tank 1 can be directly used for taking a shower;It is dirty Water enters in filter 15 through the pressurization of sewage pump 16, and foul water tank 8 is entered after filter sewage impurity, and foul water tank 8 heats sewage heat change Trunk sewer is discharged to through drain valve 12 after water in device 9 and tap-water preheater 10;
Freeze it is simultaneous prepare hot-water mode be divided into ground can not accumulation of heat and ground can accumulation of heat both of which, as shown in Figure 3:
It (1) can not regenerative operation mode: opening compressor 6, feed pump 14, close sewage pump 11, refrigerant flows over Journey: 4 → the first 19 → electric expansion valve of triple valve of compressor 6 → the second triple valve, 20 → the second heat exchanger, 7 → the first four-way valve 17 → First Heat Exchanger, 3 → the second 18 → compressor of four-way valve 6;;Water in fan coil 2 and 3 connecting pipe of First Heat Exchanger It into fan coil 2, exchanges heat with room air, reaches refrigeration effect, in the connecting pipe for heating water tank 1 and the second heat exchanger 4 Water enter heating water tank 1, in water tank cold water exchange heat, reach and prepare hot water purpose;Tap water pressurizes through feed pump 14 Not heated to be directly entered heating water tank 1 into tap-water preheater 10, heating hot water in water tank 1 can be directly used for taking a shower;
It (2) can regenerative operation mode: compressor 6, feed pump 14 are opened, closes sewage pump 11, refrigerant flow process: Refrigerant is flowed out by compressor 6, enters third heat exchanger 5 through the second triple valve 20, the second four-way valve 18 respectively;Through the second threeway Valve 20 enters the second heat exchanger 4, and the refrigerant that third heat exchanger 5 flows out is flowed out through the first four-way valve 17 and the second heat exchanger 4 Refrigerant meets at the first triple valve 19, enters First Heat Exchanger 3 using electric expansion valve 7, the first four-way valve 17, first changes The refrigerant that hot device 3 flows out is back in compressor 6 through the second four-way valve 18;Company between fan coil 2 and First Heat Exchanger 3 Water in adapter tube road enters the room fan coil 2, exchanges heat with room air, reaches refrigeration effect, heats water tank 1 and the second heat exchange Water in the connecting pipe of device 4 enters heating water tank 1, exchanges heat with the cold water in water tank, reaches and prepare hot water purpose;Third is changed The water that hot device 5 flows out enters underground pipe 11 through third triple valve 21, heat is discharged into accumulation of heat in soil, after accumulation of heat in underground pipe 11 Water enter third heat exchanger 5 through the 4th triple valve 22;Tap water enters tap-water preheater 10 through the pressurization of feed pump 14, from The water come in water preheater 10 is not heated to be directly entered heating water tank 1, and heating hot water in water tank 1 can be directly used for taking a shower;
Be prepared separately hot-water mode be divided into using sewage as low-temperature heat source, using soil as low-temperature heat source, with soil-sewage be low Temperature-heat-source Three models, as shown in Figure 4:
(1) using sewage as low-temperature heat source operational mode: opening compressor 6, sewage pump 16, feed pump 14, refrigerant flowing Process: 4 → the first 19 → electric expansion valve of triple valve of compressor 6 → the second triple valve, 19 → the second heat exchanger, 7 → the first four-way 17 → third of valve heat exchanger, 5 → the second 18 → compressor of four-way valve 6;In the connecting pipe for heating water tank 1 and the second heat exchanger 4 Water enters heating water tank 1, exchanges heat with the cold water in water tank, reaches and prepare hot water purpose;The water that third heat exchanger 5 flows out is through the Three triple valves 21 enter sewage heat exchanger 9, are directly heated by sewage, enter third heat exchanger through the 4th triple valve 22 after heating 5;Tap water enters tap-water preheater 10 through the pressurization of feed pump 14, and heating water tank 1, system are directly entered after being directly heated by sewage Hot water can be directly used for taking a shower in boiler 1;Sewage enters in filter 15 through the pressurization of sewage pump 16, and sewage is filtered impurity Enter foul water tank 8 afterwards, heats and be discharged to trunk sewer through drain valve 12 after the water in sewage heat exchanger 9 and tap-water preheater 10;
(2) using soil as low-temperature heat source operational mode: opening compressor 6, feed pump 14, close sewage pump 16, refrigerant Flow process: 6 → the second triple valve of compressor, 20 → the second heat exchanger, 4 → the first 19 → electric expansion valve of triple valve 7 → the first 17 → third of four-way valve heat exchanger, 5 → the second 18 → compressor of four-way valve 6;Heat the connecting pipe of water tank 1 and the second heat exchanger 4 In water enter heating water tank 1, in water tank cold water exchange heat, reach and prepare hot water purpose;The water that third heat exchanger 5 flows out Enter underground pipe 11 through third triple valve 21, enters First Heat Exchanger 5 through the 4th triple valve 22 after being heated by soil;Tap water Enter tap-water preheater 10 through the pressurization of feed pump 14, the water in tap-water preheater 10 is not heated to be directly entered heating water tank 1, heating hot water in water tank 1 can be directly used for taking a shower;
(3) using soil-sewage as low-temperature heat source operational mode: opening compressor 6, sewage pump 16, feed pump 14, refrigerant Flow process: 6 → the second triple valve of compressor, 20 → the second heat exchanger, 4 → the first 19 → electric expansion valve of triple valve 7 → the first 17 → third of four-way valve heat exchanger, 5 → the second 18 → compressor of four-way valve 6;Heat the connecting pipe of water tank 1 and the second heat exchanger 4 In water enter heating water tank 1, in water tank cold water exchange heat, reach and prepare hot water purpose;The water that third heat exchanger 5 flows out Enter sewage heat exchanger 9 through third triple valve 21 respectively, directly heated by sewage, enters underground pipe 11 through third triple valve 21, It can be directly heated by ground, the water that the water and underground pipe 11 that sewage heat exchanger 9 exports export meets at the 4th triple valve 22, enters Third heat exchanger 5;Tap water enters tap-water preheater 10 through the pressurization of feed pump 14, and system is directly entered after being directly heated by sewage Boiler 1, heating hot water in water tank 1 can be directly used for taking a shower;Sewage enters in filter 15 through the pressurization of sewage pump 16, sewage quilt Enter foul water tank 8 after impurity screening, foul water tank 8 heats after the water in sewage heat exchanger 9 and tap-water preheater 10 through drain valve 12 are discharged to trunk sewer;
Separate refrigeration operational mode, as shown in Figure 5: opening compressor 6, close feed pump 14, sewage pump 11, refrigerant stream Dynamic process: 6 → the second triple valve of compressor, 20 → the second 18 → third of four-way valve heat exchanger, 5 → the first four-way valve the 17 → the 1st 19 → electric expansion valve of port valve, 7 → the first 17 → First Heat Exchanger of four-way valve, 3 → the second 18 → compressor of four-way valve 6;Fan unit The water in connecting pipe between pipe 2 and First Heat Exchanger 3 enters the room fan coil 2, exchanges heat with room air, reaches refrigeration Effect;The water that third heat exchanger 5 flows out enters sewage heat exchanger 9 through third triple valve 21 respectively, rejects heat to sewage, passes through Third triple valve 21 enters underground pipe 11, heat is discharged into accumulation of heat in soil, the water that sewage heat exchanger 9 exports goes out with underground pipe 11 The water of mouth meets at the 4th triple valve 22, enters third heat exchanger 5;Sewage enters in filter 15 through the pressurization of sewage pump 16, Sewage is entered foul water tank 8 after impurity screening, foul water tank 8 passes through after heating the water in sewage heat exchanger 9 and tap-water preheater 10 Drain valve 12 is discharged to trunk sewer;
Independent heat supply is divided into using sewage as low-temperature heat source, using soil as low-temperature heat source, using soil-sewage as low-temperature heat source three Kind mode, as shown in Figure 6:
(1) using sewage as low-temperature heat source operational mode: opening compressor 6, sewage pump 16, close feed pump 14, refrigerant Flow process: 6 → the second triple valve of compressor, 20 → the second 18 → First Heat Exchanger of four-way valve, 3 → the first four-way valve 17 → the first 19 → electric expansion valve of triple valve, 7 → the first 17 → third of four-way valve heat exchanger, 5 → the second 18 → compressor of four-way valve 6;Blower Water in coil pipe 2 and 3 connecting pipe of First Heat Exchanger enters the room fan coil 2, exchanges heat with room air, reaches heating effect Fruit;The water of third heat exchanger outflow enters sewage heat exchanger 9 through third triple valve 21, is directly heated by sewage, the water after heating Third heat exchanger 5 is entered through the 4th triple valve 22;Sewage enters in filter 15 through the pressurization of sewage pump 16, and sewage is filtered Enter foul water tank 8 after impurity, through sewage after the water heating sewage heat exchanger 9 in foul water tank 8 and the water in tap-water preheater 10 Valve 12 is discharged to trunk sewer;
(2) using soil as low-temperature heat source operational mode: opening compressor 6, close feed pump 14, sewage pump 16, refrigerant Flow process: 6 → the second triple valve of compressor, 20 → the second 18 → First Heat Exchanger of four-way valve, 3 → the first four-way valve 17 → the first 19 → electric expansion valve of triple valve, 7 → the first 17 → third of four-way valve heat exchanger, 5 → the second 18 → compressor of four-way valve 6;Blower Water in coil pipe 2 and 3 connecting pipe of First Heat Exchanger enters the room fan coil 2, exchanges heat with room air, reaches heating effect Fruit;The water that third heat exchanger 5 flows out enters underground pipe 11 through third triple valve 21, through the 4th triple valve after being heated by soil heat source 22 enter third heat exchanger 5;
(3) using soil-sewage as low-temperature heat source operational mode: opening compressor 6, sewage pump 16, close feed pump 14, system Cryogen flow process: 6 → the second triple valve of compressor, 20 → the second 18 → First Heat Exchanger of four-way valve, 3 → the first four-way valve 17 → First 19 → electric expansion valve of triple valve, 7 → the first 17 → third of four-way valve heat exchanger, 5 → the second 18 → compressor of four-way valve 6; Water in fan coil 2 and 3 connecting pipe of First Heat Exchanger enters fan coil 2, exchanges heat with room air, reaches heating effect Fruit;The water that third heat exchanger 5 flows out enters sewage heat exchanger 9 through third triple valve 21 respectively, is directly heated by sewage;Through third Triple valve 21 enters underground pipe 11, can be directly heated by ground, and the water that the water that sewage heat exchanger 9 exports is exported with underground pipe 11 converges In the 4th triple valve 22, third heat exchanger 5 is entered;Sewage enters in filter 15 through the pressurization of sewage pump 16, and filter sewage is miscellaneous Enter foul water tank 8 after matter, foul water tank 8 is discharged to after heating the water in sewage heat exchanger 9 and tap-water preheater 10 through drain valve 12 Trunk sewer;
The invention also discloses following technical effects:
The present invention is complementary using the application of the low-temperature heat sources such as air, sewage and soil or heat sink, by each low-temperature heat source or Flexible switching between heat sink can satisfy the demand of stable heating in building, air-conditioning cooling supply and domestic hot-water's preparation, wherein Winter using soil source and source of sewage as low-temperature heat source, to indoor heating and prepares hot water;Summer using room air as low-temperature heat source, Using sewage as the medium for adjusting backheat amount to soil concurrent heating, realize that cooling in summer and domestic hot-water's preparation, the present invention can drop The energy consumption of low building heat supplying and cooling supply, and can be realized a tractor serves several purposes, improve the utilization rate of equipment.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with other The difference of embodiment, the same or similar parts in each embodiment may refer to each other.
Used herein a specific example illustrates the principle and implementation of the invention, and above embodiments are said It is bright to be merely used to help understand method and its core concept of the invention;At the same time, for those skilled in the art, foundation Thought of the invention, there will be changes in the specific implementation manner and application range.In conclusion the content of the present specification is not It is interpreted as limitation of the present invention.

Claims (8)

1. a kind of multi-source complementation heat pump system for having both hot water preparation and air conditioning function characterized by comprising heating water tank, Fan coil, First Heat Exchanger, the second heat exchanger, third heat exchanger, compressor, electric expansion valve, foul water tank, sewage heat change Device, tap-water preheater and underground pipe;
The first circulation mouth of the heating water tank is connect with the first tap water port of the second heat exchanger, and heat water tank second follows Collar extension is connect with the second tap water port of the second heat exchanger, and the outlet for heating the water supplement port and tap-water preheater of water tank connects It connects;
The first circulation mouth of the fan coil and the first tap water port of First Heat Exchanger connect, and the second of fan coil follows The connection of second tap water port of collar extension and First Heat Exchanger;
First working medium port of the First Heat Exchanger respectively with electric expansion valve first port and electric expansion valve second port Connection;Second working medium port of First Heat Exchanger is connect with compressor inlet and compressor outlet respectively;
First working medium port of second heat exchanger is connect with electric expansion valve first port;Second working medium of the second heat exchanger Port is connect with compressor outlet;
First working medium port of the third heat exchanger respectively with electric expansion valve first port and electric expansion valve second port Connection;Second working medium port of third heat exchanger is connect with compressor inlet and compressor outlet respectively;The of third heat exchanger One tap water port is connect with underground pipe import and sewage heat exchanger import respectively;Second tap water port of third heat exchanger point It is not connected with underground pipe outlet and sewage heat exchanger outlet.
2. the multi-source complementation heat pump system according to claim 1 for having both hot water preparation and air conditioning function, which is characterized in that It further include the first four-way valve, the second four-way valve, the first triple valve, the second triple valve, third triple valve and the 4th triple valve;
The first port of first four-way valve is connect with the first working medium port of third heat exchanger, the second end of the first four-way valve Mouth is connect with the second port of the first triple valve, and the third port of the first four-way valve and the first working medium port of First Heat Exchanger connect It connects, the 4th port of the first four-way valve is connect with electric expansion valve second port;
The first port of second four-way valve is connect with the second working medium port of third heat exchanger, the second end of the second four-way valve Mouth is connect with the second port of the second triple valve, and the third port of the second four-way valve and the second working medium port of First Heat Exchanger connect It connects, the 4th port of the second four-way valve is connect with compressor inlet;
The first port of first triple valve and the first port of electric expansion valve connect, the third end of first triple valve Mouth is connect with the first working medium port of the second heat exchanger;
The first port of second triple valve and the outlet of compressor connect, the third port and second of second triple valve Second working medium port of heat exchanger connects;
The first port of the third triple valve is connect with sewage heat exchanger import, the second port and ground of the third triple valve Pipe laying import connection, the third port of the third triple valve are connect with the first tap water port of third heat exchanger;
First port and the sewage heat exchanger outlet of 4th triple valve connect, the second port and ground of the 4th triple valve The outlet of pipe laying connects, and the third port of the 4th triple valve is connect with the second tap water port of third heat exchanger.
3. the multi-source complementation heat pump system according to claim 1 for having both hot water preparation and air conditioning function, which is characterized in that It further include foul water tank, the foul water tank is for containing filtered sewage.
4. the multi-source complementation heat pump system according to claim 3 for having both hot water preparation and air conditioning function, which is characterized in that It further include sewage pump, the water outlet of the sewage pump and the import of foul water tank connect.
5. the multi-source complementation heat pump system according to claim 4 for having both hot water preparation and air conditioning function, which is characterized in that It further include filter, the water outlet connection of described filter one end and sewage pump, the import connection of the other end and foul water tank.
6. the multi-source complementation heat pump system according to claim 3 for having both hot water preparation and air conditioning function, which is characterized in that It further include drain valve, the outlet connection of the drain valve and foul water tank.
7. the multi-source complementation heat pump system according to claim 1 for having both hot water preparation and air conditioning function, which is characterized in that It further include feed pump, the water outlet of the feed pump and the import of tap-water preheater connect.
8. the multi-source complementation heat pump system according to claim 7 for having both hot water preparation and air conditioning function, which is characterized in that It further include gate valve, the water outlet connection of described gate valve one end and feed pump, the import connection of the other end and tap-water preheater.
CN201910734110.3A 2019-08-09 2019-08-09 Multi-source complementary heat pump system with hot water preparation and air conditioning functions Active CN110440365B (en)

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0957002A (en) * 1995-08-25 1997-03-04 Konica Corp Heat pump type evaporating concentrator and treatment using same
CN1587872A (en) * 2004-08-02 2005-03-02 于永辉 City sewage central heat supply (cold supply) device
CN201864721U (en) * 2010-03-03 2011-06-15 刘军林 Air energy, solar energy and ground source heat pump methane tank
CN205372878U (en) * 2016-02-03 2016-07-06 山东金智成建设有限公司 Energy -conserving concurrent heating device of ground -source heat pump
CN108954908A (en) * 2018-06-25 2018-12-07 燕山大学 A kind of multi-source complementation heat pump air conditioning system having both bath hot water preparation function

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0957002A (en) * 1995-08-25 1997-03-04 Konica Corp Heat pump type evaporating concentrator and treatment using same
CN1587872A (en) * 2004-08-02 2005-03-02 于永辉 City sewage central heat supply (cold supply) device
CN201864721U (en) * 2010-03-03 2011-06-15 刘军林 Air energy, solar energy and ground source heat pump methane tank
CN205372878U (en) * 2016-02-03 2016-07-06 山东金智成建设有限公司 Energy -conserving concurrent heating device of ground -source heat pump
CN108954908A (en) * 2018-06-25 2018-12-07 燕山大学 A kind of multi-source complementation heat pump air conditioning system having both bath hot water preparation function

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