CN209295316U - A kind of series-parallel heat pump is double to store energy supplying system - Google Patents
A kind of series-parallel heat pump is double to store energy supplying system Download PDFInfo
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- CN209295316U CN209295316U CN201821300508.3U CN201821300508U CN209295316U CN 209295316 U CN209295316 U CN 209295316U CN 201821300508 U CN201821300508 U CN 201821300508U CN 209295316 U CN209295316 U CN 209295316U
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Abstract
The utility model discloses a kind of double storage energy supplying systems of series-parallel heat pump, and the utility model makes full use of annual night dip electric, and power grid installation load can be effectively reduced, and reduces power grid peak period air conditioning electricity load, alleviation power department power supply pressure；Using time-of-use tariffs difference, operation of air conditioner expense is greatly reduced；Cold-storage or accumulation of heat use same set of equipment, by different combinations, achieve the purpose that economical and efficient is run.Furthermore, chilled water temperature can be reduced to 1~4 DEG C or so using ice storage and water cold storage, it is combined with low temperature air supply system, big different transfer of heat not only may be implemented, reduce cost, preferable economic benefit is obtained, and the relative humidity of room air can be reduced, the level of comfort of air-conditioned room can be improved.
Description
Technical field
The utility model relates to a kind of energy supplying systems, realize that summer stores by series-parallel heat pump more particularly to one kind
Cold, winter accumulation of heat energy supplying system.
Background technique
The year power consumption total amount of China's air-conditioning is more than 40,000,000,000 kilowatt hours at present, with the lasting propulsion that urbanization is gone down town with
And the increasingly raising of Living consumption, this numerical value also will be further increased, air-conditioning early has become that energy consumption is high family.In summer,
The power consumption of especially southern some city air-conditionings accounts for the 30%~40% of urban power consumption.Although China's electric utility is quick
Development, national capacity of installed generator have leapt to the first in the world, but certain contradiction is still had between the supply and demand of China's electric power.Electricity
Power consumption has apparent timeliness, i.e., the peak period for being power load daytime, night is the trough period of power load.To meet
Power supply, the installation load for the department that generates electricity must satisfy the requirement of summer high temperature weather peak load, and to night
The low power consumption phase, electric power only some obtain using causing a large amount of wastes of electric power.It is asked to alleviate shortage of electric power with deficiency
Topic, country encourages peak load shifting, and has put into effect time-of-use tariffs policy, opens the upsurge of domestic energy accumulating technique research.Currently, state
It is interior to have obtained more concern and research to using ice storage technology transfer summer power load, and winter is stored using trough-electricity
Thermal technology concern is less.To make full use of annual night dip electricity, domestic energy accumulating technique development is further pushed, it is necessary to develop
Cold and hot double storage technologies.
Utility model content
To solve the deficiencies in the prior art, the purpose of this utility model is to provide a kind of double store of series-parallel heat pump to energize system
System, which can realize cold-storage or accumulation of heat in the low power consumption phase by carrying out serial or parallel connection to heat pump unit, in peak of power consumption
Phase released cold quantity or heat greatly reduce power grid burden and user power utilization cost.
Technical solution provided by the utility model is:
A kind of cold and hot double storage energy supplying systems of series-parallel heat pump, including Double-working-condition cooling/heating unit, solenoid valve one, triple valve
One, ice-accumulating device of ice coil pipe, ethylene glycol solution slot, eg pump, solenoid valve two, triple valve two, chilled water pump, plate-type heat-exchange
Device, end are for water end (W.E.), end backwater end, solenoid valve three, water pump, water source heat pump units, triple valve three, cold-storage/hot water storage tank, electricity
Magnet valve four, Double-working-condition cooling/heating unit, solenoid valve one, triple valve one, ice-accumulating device of ice coil pipe, ethylene glycol solution slot, ethylene glycol
Pump constitutes ice storage circuit, and water source heat pump units, triple valve three, cold-storage/hot water storage tank constitute water cold storage/hot loop, solenoid valve
Two, triple valve two, chilled water pump, plate heat exchanger, end are released cold heat and are returned for water end (W.E.), end backwater end, the composition of solenoid valve four
Road,
System uses following mode operation:
1), in the summer night dip electric period, system runs cold-storage mode, be divided into again under the mode only ice storage mode,
The only double storage modes of water cold storage mode, ice water,
When Double-working-condition cooling/heating unit is opened, solenoid valve one is opened, triple valve one is adjusted to AB and opens to, eg pump,
It is only ice storage mode when remaining device is in closed state, ethylene glycol enters under the action of eg pump under the mode
The evaporator of Double-working-condition cooling/heating unit exchanges heat, and obtains the ethylene glycol of cooling capacity in ice-accumulating device of ice coil pipe and in device
Water heat exchange released cold quantity after enter ethylene glycol solution slot and complete circulation, the water into next cycle period, in ice storage unit
Ice cube is made outside coil pipe after obtaining the cooling capacity of ethylene glycol release；
When water source heat pump units are opened, triple valve three is adjusted to AB to remaining device is only when being in closed state
Water cold storage mode is produced water at low temperature using water source heat pump units under the mode, and is stored in cold-storage water tank；
When the closing of solenoid valve three, water pump closing, the same only ice storage mode of remaining unit state and only water cold storage mode, i.e.,
For the double storage modes of ice water, Double-working-condition cooling/heating unit and water source heat pump units are in parallel operation state under the mode, transport respectively
Row ice storage and water cold storage operating mode；
2), in the high peak potential period of summer day, cold mode is released in system operation, be divided into again under the mode only ice-melt release it is cold, only
Water at low temperature releases cold, ice water while releasing cold and Double-working-condition cooling/heating unit cooling mode,
When solenoid valve two is opened, triple valve two is adjusted to AB and opens to, chilled water pump, remaining device is in closed state
When be only ice-melt release cold mode, the mode lower end backwater end return water and plate heat exchanger heat exchange after enter melt ice on coil ice-reserving fill
It sets middle ice-melt and releases cold acquisition low temperature chilled water, end is supplied under the action of chilled water pump for water end (W.E.)；
When solenoid valve three is opened, water pump is opened, as only water at low temperature releases cold mode when remaining device is in closed state,
Be stored under the mode water at low temperature in cold-storage water tank under the action of water pump terminad for water end (W.E.) cooling supply；
When solenoid valve two is opened, triple valve two is adjusted to that AB is opened to, chilled water pump and solenoid valve three is opened and water pump
When device in the open state and other is in close state, system is in ice water while releasing cold state；
When ice water release simultaneously it is cold be not still able to satisfy end cooling needs when, open Double-working-condition cooling/heating unit, while electromagnetism
Valve one is opened, triple valve one is adjusted to AC and is adjusted to CB to making up the deficiency for refrigeration duty to, triple valve two；
3), night dip electric period in winter
Night dip electric period, system run accumulation of heat mode, specially water accumulation of heat mode in winter,
When Double-working-condition cooling/heating unit is opened, solenoid valve three is opened, water source heat pump units are opened, triple valve three is adjusted to
AB is closed to, solenoid valve four, as water accumulation of heat mode when remaining device is in closed state, and Double-working-condition refrigeration under the mode/
Heat engine group produces low-temperature water heating, and low-temperature water heating enters water source heat pump units under the action of water pump and is promoted to high-temperature-hot-water, high temperature
Hot water storage is in hot water storage tank；
4), peak of power consumption on daytime period system runs heat release mode in winter, can be divided into hot water storage tank again under the mode and release
Heat, unit heat supply mode,
When solenoid valve four is opened, chilled water pump is opened, as hot water storage tank heat release when remaining device is in closed state
Mode under the mode, preferentially discharges heat using the hot water that night dip electric power stores, meets end for the need of water end (W.E.) heat supply
It asks；
When hot water storage tank heat release is not able to satisfy end thermal load demands, Double-working-condition cooling/heating unit, water resource heat pump are opened
Unit, while three unlatching of solenoid valve, water pump, triple valve three are adjusted to AC and are adjusted to AC to, triple valve one to adjust to, triple valve two
It is opened for CB to, water pump, supplements end for water end (W.E.) delayed heat workload demand.
A kind of cold and hot double storage energy supplying systems of series-parallel heat pump, including Double-working-condition cooling/heating unit, solenoid valve one, triple valve
One, ice-accumulating device of ice coil pipe, ethylene glycol solution slot, eg pump, solenoid valve two, triple valve two, chilled water pump, plate-type heat-exchange
Device, end are for water end (W.E.), end backwater end, solenoid valve three, water pump, earth source heat pump unit, triple valve three, cold-storage/hot water storage tank, electricity
Magnet valve four, subcooler, water circulating pump and degree of supercooling release device, Double-working-condition cooling/heating unit, solenoid valve one, triple valve one,
Ice-accumulating device of ice coil pipe, ethylene glycol solution slot, eg pump, subcooler, water circulating pump, degree of supercooling release device and constitute supercooling
Water-ice cold-storage circuit, earth source heat pump unit, triple valve three, cold-storage/hot water storage tank constitute water cold storage/hot loop, solenoid valve two, three
Cold heat circuit is released for water end (W.E.), end backwater end, the composition of solenoid valve four in port valve two, chilled water pump, plate heat exchanger, end,
System uses following mode operation:
1), in the summer night dip electric period, system runs cold-storage mode, be divided into again under the mode only ice storage mode,
The only double storage modes of water cold storage mode, ice water,
When double duty chiller unit is opened, solenoid valve one is opened, triple valve one is adjusted to AB to, eg pump and recirculated water
Pump is opened, and is only ice storage mode when remaining device is in closed state, work of the ethylene glycol in eg pump under the mode
It is exchanged heat with the lower evaporator into double duty chiller unit, obtains the ethylene glycol of cooling capacity in subcooler and ice storage unit
Enter ethylene glycol solution slot after interior water heat exchange released cold quantity and complete circulation, into next cycle period, in ice storage unit
The cooling capacity that water obtains ethylene glycol release forms ice slurry under the action of supercooling releases device after forming subcooled water, and ice slurry is stored in storage
In ice production apparatus,
Local source heat pump unit is opened, triple valve three is adjusted to AB to remaining device is only when being in closed state
Water cold storage mode is produced water at low temperature using earth source heat pump unit under the mode, and is stored in cold-storage water tank；
When the closing of solenoid valve three, water pump closing, the same only ice storage mode of remaining unit state and only water cold storage mode, i.e.,
For the double storage modes of ice water, Double-working-condition ice making unit and earth source heat pump unit are in parallel operation state under the mode, are separately operable
Ice storage and water cold storage operating mode；
2), in the high peak potential period of summer day, cold mode is released in system operation, be divided into again under the mode only ice-melt release it is cold, only
Water at low temperature releases cold, ice water while releasing cold and double duty chiller unit cooling mode,
When solenoid valve two is opened, triple valve two is adjusted to AB and opens to, chilled water pump, remaining device is in closed state
When be that cold mode is released in only ice-melt, into melting in ice storage unit after the mode lower end backwater end return water and plate heat exchanger heat exchange
It disappears cold acquisition low temperature chilled water without a trace, end is supplied under the action of chilled water pump for water end (W.E.)；
When solenoid valve four is opened, water pump is opened, as only water at low temperature releases cold mode when remaining device is in closed state,
Be stored under the mode water at low temperature in cold-storage water tank under the action of water pump terminad for water end (W.E.) cooling supply；
When solenoid valve two is opened, triple valve two is adjusted to that AB is opened to, chilled water pump and solenoid valve four is opened and water pump
When device in the open state and other is in close state, system is in ice water while releasing cold state；
When ice water release simultaneously it is cold be not still able to satisfy end cooling needs when, open double duty chiller unit, while solenoid valve
One opens, triple valve one is adjusted to AC and is adjusted to CB to making up the deficiency for refrigeration duty to, triple valve two；
3), night dip electric period in winter
Night dip electric period, system run accumulation of heat mode, specially water accumulation of heat mode in winter,
When heating machine set is opened, solenoid valve three is opened, earth source heat pump unit is opened, triple valve three is adjusted to AB to, electromagnetism
Valve four is closed, as water accumulation of heat mode when remaining device is in closed state, and heating machine set produces low-temperature water heating under the mode,
Low-temperature water heating enters earth source heat pump unit under the action of water pump and is promoted to high-temperature-hot-water, and high-temperature-hot-water is stored in hot water storage tank
In；
4), peak of power consumption on daytime period system runs heat release mode in winter, can be divided into hot water storage tank again under the mode and release
Heat, unit heat supply mode；
When solenoid valve four is opened, chilled water pump is opened, as hot water storage tank heat release when remaining device is in closed state
Mode under the mode, preferentially discharges heat using the hot water that night dip electric power stores, meets end for the need of water end (W.E.) heat supply
It asks,
When hot water storage tank heat release is not able to satisfy end thermal load demands, heating machine set, earth source heat pump unit are opened, simultaneously
Three unlatching of solenoid valve, water pump, triple valve three are adjusted to AC, triple valve one is adjusted to AC and is adjusted to CB to, water pump to, triple valve two
It opens, supplements end for water end (W.E.) delayed heat workload demand.
The beneficial effects of the utility model are: making full use of annual night dip electricity, power grid installation load can be effectively reduced,
Power grid peak period air conditioning electricity load is reduced, power department power supply pressure is alleviated；Using time-of-use tariffs difference, can be greatly reduced
Operation of air conditioner expense；Cold-storage or accumulation of heat use same set of equipment, by different combinations, reach economical and efficient operation
Purpose.In addition, chilled water temperature can be reduced to 1~4 DEG C or so using ice storage and water cold storage, by itself and cold air distribution system
System combines, and big different transfer of heat not only may be implemented, reduce cost, obtains preferable economic benefit, and can reduce interior
The level of comfort of air-conditioned room can be improved in the relative humidity of air.
Detailed description of the invention
Fig. 1 is the flow diagram of the utility model embodiment one.
Fig. 2 is the flow diagram of the utility model embodiment two.
Specific embodiment
The utility model feature and operation reserve are described in further detail by embodiment below in conjunction with attached drawing:
As shown in the picture, label respectively indicates: Double-working-condition cooling/heating unit 1, solenoid valve 1, triple valve 1, ice-reserving dress
Set 4, ethylene glycol solution slot 5, eg pump 6, solenoid valve 27, triple valve 28, chilled water pump 9, plate heat exchanger 10, end confession
Water end (W.E.) 11, end backwater end 12, solenoid valve 3 13, water pump 14, water source heat pump units 15, triple valve 3 16, cold-storage/hot water storage tank
17, solenoid valve 4 18, subcooler 19, water circulating pump 20, degree of supercooling release device 21, earth source heat pump unit 22.
Embodiment one:
Cold source uses melt ice on coil exo-melting ice+water resource heat pump, and heat source is water resource heat pump.
The cold and hot double storage energy supplying systems of the series-parallel heat pump of the present embodiment, including Double-working-condition cooling/heating unit 1, solenoid valve one
2, triple valve 1, ice-accumulating device of ice coil pipe 4, ethylene glycol solution slot 5, eg pump 6, solenoid valve 27, triple valve 28, freezing
Water pump 9, plate heat exchanger 10, end are for water end (W.E.) 11, end backwater end 12, solenoid valve 3 13, water pump 14, water source heat pump units
15, triple valve 3 16, cold-storage/hot water storage tank 17, solenoid valve 4 18, it is characterised in that double duty chiller unit 1, solenoid valve 1,
Triple valve 1, ice-accumulating device of ice coil pipe 4, ethylene glycol solution slot 5, eg pump 6 constitute ice storage circuit, water source heat pump units
15, triple valve 3 16, cold-storage/hot water storage tank 17 constitute water cold storage/hot loop, solenoid valve 27, triple valve 28, chilled water pump 9,
Cold heat circuit is released for water end (W.E.) 11, end backwater end 12, the composition of solenoid valve 4 18 in plate heat exchanger 10, end.
The present embodiment is in use, system uses following mode operation:
1, in the summer night dip electric period, system runs cold-storage mode, can be divided into again under the mode only ice storage mode,
The only double storage modes of water cold storage mode, ice water.
When double duty chiller unit 1 is opened, solenoid valve 1 is opened, triple valve 1 is adjusted to AB and opens to, eg pump 6
It opens, is only ice storage mode when remaining device is in closed state.Ethylene glycol is under the action of eg pump 6 under the mode
Evaporator into double duty chiller unit exchanges heat, and obtains the ethylene glycol of cooling capacity in ice-accumulating device of ice coil pipe 4 and device
Enter ethylene glycol solution slot after interior water heat exchange released cold quantity and complete circulation, into next cycle period.In ice storage unit
Ice cube is made after obtaining the cooling capacity that ethylene glycol discharges in water outside coil pipe.
When water source heat pump units 15 are opened, triple valve 3 16 is adjusted to when AB is in closed state to, remaining device i.e.
For only water cold storage mode.Water at low temperature is produced using water source heat pump units under the mode, and is stored in cold-storage water tank 17.
When the closing of solenoid valve 3 13, the closing of water pump 14, remaining unit state water cold storage mode with only ice storage mode and only
When, as double storage modes of ice water.Double-working-condition ice making unit 1 and water source heat pump units 15 are in parallel operation state under the mode,
It is separately operable ice storage and water cold storage operating mode.
2, in the high peak potential period of summer day, cold mode is released in system operation, can be divided into again under the mode only ice-melt release it is cold, only
Water at low temperature releases cold, ice water while releasing cold and 1 cooling mode of double duty chiller unit.
When solenoid valve 27 is opened, triple valve 28 is adjusted to AB and opens to, chilled water pump 9, remaining device is in closing
It is that cold mode is released in only ice-melt when state.12 return water of mode lower end backwater end and plate heat exchanger 10 enter ice pan after exchanging heat
Cold acquisition low temperature chilled water is released in ice-melt in pipe ice storage unit 4, and end is supplied under the action of chilled water pump 9 for water end (W.E.) 11.
When solenoid valve 4 18 is opened, chilled water pump 9 is opened, as only water at low temperature is released when remaining device is in closed state
Cold mode.Terminad under the action of chilled water pump 9 of the water at low temperature in cold-storage water tank 17 is stored under the mode to supply for water end (W.E.) 11
It is cold.
When solenoid valve 27 is opened, triple valve 28 is adjusted to that AB is opened to, chilled water pump 9 and solenoid valve 4 18 is opened
When being in close state with the device in the open state and other of chilled water pump 9, system is in ice water while releasing cold state.
When ice water release simultaneously it is cold be not still able to satisfy end cooling needs when, open double duty chiller unit 1, while solenoid valve
One 2 open, triple valve 1 is adjusted to AC and is adjusted to CB to making up the deficiency for refrigeration duty to, triple valve 28.
The operating status of each mode lower valve of the system to clearly illustrate, is now listed in table 1.
1 valve control table of table
3, night dip electric period in winter
Night dip electric period, system run accumulation of heat mode, specially water accumulation of heat mode in winter.
When water cooler 1 is opened, solenoid valve 3 13 is opened, water source heat pump units 15 are opened, triple valve 3 16 is adjusted to AB
It is closed to, solenoid valve 4 18, as water accumulation of heat mode when remaining device is in closed state.Refrigeration unit 1 is made under the mode
20 DEG C or so of low-temperature water heating is taken, 20 DEG C or so of low-temperature water heating enters water source heat pump units 15 under the action of water pump 14 and promoted
To 60 DEG C or so of high-temperature-hot-water, high-temperature-hot-water is stored in hot water storage tank.
4, peak of power consumption on daytime period system runs heat release mode in winter, can be divided into hot water storage tank again under the mode and release
Heat, unit heat supply mode.
When solenoid valve 4 18 is opened, chilled water pump 9 is opened, as hot water storage tank is released when remaining device is in closed state
Heat pattern.Under the mode, heat is preferentially discharged using the hot water that night dip electric power stores, meets end for 11 heat supply of water end (W.E.)
Demand.
When 17 heat release of hot water storage tank is not able to satisfy end thermal load demands, water cooler 1, water source heat pump units are opened,
Unlatchings of solenoid valve 3 13, water pump 14, triple valve 3 16 are adjusted to AC simultaneously, triple valve 1 is adjusted to AC to, the tune of triple valve 28
Whole to open for CB to, chilled water pump 9, supplement end is for the remaining thermal load demands of water end (W.E.) 11.
The operating status of each mode lower valve of the system to clearly illustrate, is now listed in table 2.
2 valve control table of table
Embodiment two:
Cold source uses dynamic freezing of supercooled water device+earth source heat pump, and heat source uses earth source heat pump.
The cold and hot double storage energy supplying systems of the series-parallel heat pump of the present embodiment, including Double-working-condition cooling/heating unit 1, solenoid valve one
2, triple valve 1, ice storage unit 4, ethylene glycol solution slot 5, eg pump 6, solenoid valve 27, triple valve 28, chilled water pump 9,
Plate heat exchanger 10, end are for water end (W.E.) 11, end backwater end 12, solenoid valve 3 13, water pump 14, earth source heat pump unit 22, threeway
Valve 3 16, cold-storage/hot water storage tank 17, solenoid valve 4 18, subcooler 19, water circulating pump 20 and degree of supercooling release device 21,
It is characterized in that double duty chiller unit 1, solenoid valve 1, triple valve 1, ice storage unit 4, ethylene glycol solution slot 5, eg pump
6, subcooler 19, water circulating pump 20, the degree of supercooling releasing composition of device 21 droxtal cold-storage circuit, earth source heat pump unit 22,
Triple valve 3 16, cold-storage/hot water storage tank 17 constitute water cold storage/hot loop, solenoid valve 27, triple valve 28, chilled water pump 9, plate
Cold heat circuit is released for water end (W.E.) 11, end backwater end 12, the composition of solenoid valve 4 18 in formula heat exchanger 10, end.
The present embodiment is in use, system uses following mode operation:
1, in the summer night dip electric period, system runs cold-storage mode, can be divided into again under the mode only ice storage mode,
The only double storage modes of water cold storage mode, ice water.
When double duty chiller unit 1 is opened, solenoid valve 1 is opened, triple valve 1 is adjusted to AB to, eg pump 6 and is followed
Ring water pump 20 is opened, and is only ice storage mode when remaining device is in closed state.Ethylene glycol is in ethylene glycol under the mode
The evaporator for entering double duty chiller unit under the action of pump 6 exchanges heat, and obtains the ethylene glycol of cooling capacity in subcooler 19
It completes to recycle with ethylene glycol solution slot is entered after the water heat exchange released cold quantity in ice storage unit 4, into next cycle period.It stores
The cooling capacity that water in ice production apparatus obtains ethylene glycol release forms ice slurry under the action of supercooling releases device 21 after forming subcooled water,
Ice slurry is stored in ice storage unit 4.
Local source heat pump unit 22 is opened, triple valve 3 16 is adjusted to when AB is in closed state to, remaining device i.e.
For only water cold storage mode.Water at low temperature is produced using earth source heat pump unit under the mode, and is stored in cold-storage water tank 17.
When the closing of solenoid valve 3 13, the closing of water pump 14, remaining unit state water cold storage mode with only ice storage mode and only
When, as double storage modes of ice water.Double-working-condition ice making unit 1 and earth source heat pump unit 22 are in parallel operation state under the mode,
It is separately operable ice storage and water cold storage operating mode.
2, in the high peak potential period of summer day, cold mode is released in system operation, can be divided into again under the mode only ice-melt release it is cold, only
Water at low temperature releases cold, ice water while releasing cold and 1 cooling mode of double duty chiller unit.
When solenoid valve 27 is opened, triple valve 28 is adjusted to AB and opens to, chilled water pump 9, remaining device is in closing
It is that cold mode is released in only ice-melt when state.12 return water of mode lower end backwater end and plate heat exchanger 10 enter ice-reserving after exchanging heat
Cold acquisition low temperature chilled water is released in ice-melt in device 4, and end is supplied under the action of chilled water pump 9 for water end (W.E.) 11.
When solenoid valve 4 18 is opened, chilled water pump 9 is opened, as only water at low temperature is released when remaining device is in closed state
Cold mode.Terminad under the action of chilled water pump 9 of the water at low temperature in cold-storage water tank 17 is stored under the mode to supply for water end (W.E.) 11
It is cold.
When solenoid valve 27 is opened, triple valve 28 is adjusted to that AB is opened to, chilled water pump 9 and solenoid valve 4 18 is opened
When being in close state with the device in the open state and other of chilled water pump 9, system is in ice water while releasing cold state.
When ice water release simultaneously it is cold be not still able to satisfy end cooling needs when, open double duty chiller unit 1, while solenoid valve
One 2 open, triple valve 1 is adjusted to AC and is adjusted to CB to making up the deficiency for refrigeration duty to, triple valve 28.Under different mode
The operating status of valve is the same as table 1.
3, night dip electric period in winter
Night dip electric period, system run accumulation of heat mode, specially water accumulation of heat mode in winter.
When heating machine set 1 is opened, solenoid valve 3 13 is opened, earth source heat pump unit 22 is opened, triple valve 3 16 is adjusted to AB
It is closed to, solenoid valve 4 18, as water accumulation of heat mode when remaining device is in closed state.Heating machine set 1 is made under the mode
20 DEG C or so of low-temperature water heating is taken, 20 DEG C or so of low-temperature water heating enters earth source heat pump unit 22 under the action of water pump 14 and promoted
To 60 DEG C or so of high-temperature-hot-water, high-temperature-hot-water is stored in hot water storage tank.
4, peak of power consumption on daytime period system runs heat release mode in winter, can be divided into hot water storage tank again under the mode and release
Heat, unit heat supply mode.
When solenoid valve 4 18 is opened, chilled water pump 9 is opened, as hot water storage tank is released when remaining device is in closed state
Heat pattern.Under the mode, heat is preferentially discharged using the hot water that night dip electric power stores, meets end for 11 heat supply of water end (W.E.)
Demand.
When 17 heat release of hot water storage tank is not able to satisfy end thermal load demands, heating machine set 1, earth source heat pump unit are opened
22, while the unlatching of solenoid valve 3 13, water pump 14, triple valve 3 16 are adjusted to AC, triple valve 1 is adjusted to AC to, triple valve 28
It is adjusted to CB to open to, chilled water pump 9, supplement end is for the remaining thermal load demands of water end (W.E.) 11.The operation of different mode lower valve
State is the same as table 2.
Ice storage energy accumulating technique is to utilize the existing time-of-use tariffs difference in China, will by refrigeration unit by night cheap electric power
Cooling capacity is stored in ice, in peak of power consumption or spike period with tail end air conditioner return water ice-melt released cold quantity, meets terminal temperature difference
Refrigeration duty demand can not only reduce installation cost, realize electric power " peak load shifting ", balancing power network load, and can be use
A large amount of operating costs are saved at family.Notably, ice storage low temperature chilled water can be combined with supply air system, Interior Space can be reduced
The relative humidity of gas improves the level of comfort of air-conditioned room, therefore has good Social benefit and economic benefit.
Water resource heat pump or ground source heat pump technology are by heat-pump apparatus and surface water, underground water, sewage (middle water) or soil etc.
Renewable resource exchanges heat, and substantially reduces primary energy consumption, not only realizes making full use of for possession resource, optimizes
Energy resource structure, and water resource is not consumed, it will not be polluted, protect environment, be the energy conservation currently just widelyd popularize
Technology.
Claims (1)
1. a kind of series-parallel heat pump is double to store energy supplying system, which is characterized in that including Double-working-condition cooling/heating unit (1), solenoid valve one
(2), triple valve one (3), ice-accumulating device of ice coil pipe (4), ethylene glycol solution slot (5), eg pump (6), solenoid valve two (7), three
Port valve two (8), chilled water pump (9), plate heat exchanger (10), end are for water end (W.E.) (11), end backwater end (12), solenoid valve three
(13), water pump (14), water source heat pump units (15), triple valve three (16), cold-storage/hot water storage tank (17), solenoid valve four (18), it is double
Operating condition cooling/heating unit (1), solenoid valve one (2), triple valve one (3), ice-accumulating device of ice coil pipe (4), ethylene glycol solution slot (5),
Eg pump (6) constitutes ice storage circuit, and water source heat pump units (15), triple valve three (16), cold-storage/hot water storage tank (17) are constituted
Water cold storage/hot loop, solenoid valve two (7), triple valve two (8), chilled water pump (9), plate heat exchanger (10), end are for water end (W.E.)
(11), end backwater end (12), solenoid valve four (18) composition release cold heat circuit；Double-working-condition cooling/heating unit (1) connects electromagnetism
Valve one (2), solenoid valve one (2) connect triple valve one (3), triple valve one (3) be connected to the coil pipe of ice-accumulating device of ice coil pipe (4) into
Mouthful, the coil outlets of ice-accumulating device of ice coil pipe (4) connect ethylene glycol solution slot (5), and ethylene glycol solution slot (5) connects eg pump
(6), eg pump (6) is connected to Double-working-condition cooling/heating unit (1), and ice-accumulating device of ice coil pipe (4) passes through solenoid valve two (7), three
Port valve two (8) and chilled water pump (9) are connected to plate heat exchanger (10), and plate heat exchanger (10) connects end for water end (W.E.) (11),
Enter in ice storage unit (4) after end backwater end (12) return water and plate heat exchanger (10) heat exchange, Double-working-condition cooling/heating unit
(1) by solenoid valve three (13), water pump (14) connection water source heat pump units (15), water source heat pump units (15) pass through triple valve three
(16) cold-storage/hot water storage tank (17) are connected, cold-storage/hot water storage tank (17) is connected to triple valve two (8) by solenoid valve four (18)
Between chilled water pump (9), one end of triple valve three (16) is also connected between solenoid valve one (2) and triple valve one (3).
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108895587A (en) * | 2018-08-14 | 2018-11-27 | 中节能城市节能研究院有限公司 | A kind of series-parallel heat pump is double to store energy supplying system |
| CN113432175A (en) * | 2021-06-21 | 2021-09-24 | 中国科学院电工研究所 | Compact composite building heat and cold storage system |
-
2018
- 2018-08-14 CN CN201821300508.3U patent/CN209295316U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108895587A (en) * | 2018-08-14 | 2018-11-27 | 中节能城市节能研究院有限公司 | A kind of series-parallel heat pump is double to store energy supplying system |
| CN108895587B (en) * | 2018-08-14 | 2023-09-26 | 中节能城市节能研究院有限公司 | Series-parallel connection heat pump double-storage energy supply system |
| CN113432175A (en) * | 2021-06-21 | 2021-09-24 | 中国科学院电工研究所 | Compact composite building heat and cold storage system |
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