CN104075484B - A kind of heating air-conditioner system and operation method fully utilizing solar energy and air energy - Google Patents

A kind of heating air-conditioner system and operation method fully utilizing solar energy and air energy Download PDF

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Publication number
CN104075484B
CN104075484B CN201410297217.3A CN201410297217A CN104075484B CN 104075484 B CN104075484 B CN 104075484B CN 201410297217 A CN201410297217 A CN 201410297217A CN 104075484 B CN104075484 B CN 104075484B
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valve
heat
energy storage
circulating pump
night
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CN201410297217.3A
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CN104075484A (en
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韩宗伟
张艳清
林闽
张艳红
阿不来提.依米提
阴启明
宋晓蓓
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新疆太阳能科技开发公司
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Abstract

Fully utilize heating air-conditioner system and the operation method of solar energy and air energy, belong to heat pump heating air-conditioning technical field.This system by solar thermal collector, seasonal thermal energy storage device, night energy storage equipment, the first heat exchanger, the second heat exchanger, Air Resource Heat Pump Unit and source heat pump water heater group etc. form.Solar thermal collector exists in seasonal thermal energy storage device for collecting solar energy; Air Resource Heat Pump Unit according to the isolated operation of ambient outdoor air temperature situation, or is combined with source heat pump water heater group and is formed double coupling heat pump system and run.Preferentially utilize the heat that night, energy storage equipment stored during system heat supply, the energy that not enough heat is stored by seasonal thermal energy storage device supplements.Present invention achieves the efficiency utilization of solar energy and surrounding air heat energy, utilize trough-electricity accumulation of heat and cold-storage, there is good economy, be suitable for severe cold or cold district comparatively far away and strict area is required to atmospheric environment apart from central heating network pipeline.

Description

A kind of heating air-conditioner system and operation method fully utilizing solar energy and air energy
Technical field
The invention belongs to heat pump heating air-conditioning technical field, the present invention relates to a kind of fully utilize solar energy and air can heating air-conditioner system and operation method, be specially adapted to severe cold or cold district comparatively far away and atmospheric environment is required to the civil buildings, hotel, office building etc. in strict area apart from central heating heat pipeline.
Background technology
At present, because central heating is by the restriction in geographical position, for severe cold or the remote especially place of cold district, central heating is difficult to realize, and the form according to electrothermal furnace or electrothemic floor heats, then can cause the waste that high-grade can change to low-grade energy; Heat according to gas fired-boiler, coal-burning boiler etc., fuel combustion not exclusively can produce the environmentally harmful gas such as CO2, SO2, requires strict area for atmospheric environment, and these heating systems are non-serviceable.Therefore the heat pump type air conditioning system being low-temperature heat source with solar energy, surrounding air heat energy is applied to the civil buildings heating field of cold district gradually, but with single source be the low-temperature heat source of source pump when cold district carries out air conditioning and heating, often there is various problem.If net for air-source heat pump units is when temperature is too low, outdoor heat exchanger surface meeting frosting, causes compressor volumetric efficiency to decline, heating capacity declines, sometimes even cannot start, existing net for air-source heat pump units adopts the mode of electric auxiliary heat to ensure heating effect usually, unit integrated operation hydraulic performance decline.And there is low energy-flux density, intermittence and instable feature due to solar energy, be that the heat pump of thermal source often needs larger heat collector area with solar energy, need auxiliary thermal source simultaneously, although energy saving of system is better, but system complex, initial cost is higher, less economical.In order to overcome the outlying district that can not use central heating and require the problem in strict area and single natural energy resources heat pump Problems existing to atmospheric environment, being utilized by various natural energies source integrated complementary is good solution, and the present invention proposes a kind of the heating air-conditioner system and the operation method that fully utilize solar energy and air energy.
Summary of the invention
For prior art Problems existing, the invention provides a kind of the heating air-conditioner system and the operation method that fully utilize solar energy and air energy, this system achieves the alternately utilization of solar energy, surrounding air energy, and compact conformation, be convenient to install, run and control flexibly.
Technical scheme of the present invention is as follows:
Fully utilize solar energy and air can a heating air-conditioner system, this heating air-conditioner system comprise solar thermal collector 1, first heat exchanger 2, second heat exchanger 3, seasonal thermal energy storage device 4, Air Resource Heat Pump Unit 5, source heat pump water heater group 6 and night the composition such as energy storage equipment 7; The outlet of described solar thermal collector 1 is connected with the hot side entrance of the first heat exchanger 2; The hot side outlet of the first heat exchanger 2 is connected with the entrance of solar thermal collector 1 through the first circulating pump 8; Described seasonal thermal energy storage device 4 accumulation of heat circulation line outlet is connected through the cold side input port of the second circulating pump 9 with the first heat exchanger 2; The cold side outlet port of the first heat exchanger 2 is connected with seasonal thermal energy storage device 4 accumulation of heat circulation line entrance; The heat-obtaining circulation line outlet of described seasonal thermal energy storage device 4 is connected with the hot side entrance of the first valve 15 with the second heat exchanger 3 through the 3rd circulating pump 10; The hot side outlet of the second heat exchanger 3 is connected with the heat-obtaining circulation line entrance of seasonal thermal energy storage device 4 through the second valve 16; The cold side outlet port of the second described heat exchanger 3 is connected with the water supply line of user through the 7th circulating pump 14; The cold side input port of the second heat exchanger 3 is connected with the water return pipeline of user; Described Air Resource Heat Pump Unit 5 condenser side coolant outlet through the 8th valve 22 with night energy storage equipment 7 accumulation of heat loop head be connected; Air Resource Heat Pump Unit 5 condenser side cooling water inlet the 4th circulating pump 11 and the 5th valve 19 export be connected with the accumulation of heat loops of energy storage equipment 7 at night; Described source heat pump water heater group 6 vaporizer side chilled water inlet is connected with Air Resource Heat Pump Unit condenser side coolant outlet; Source heat pump water heater group 6 vaporizer side chilled water outlet is connected with the condenser side cooling water inlet of Air Resource Heat Pump Unit 5 with the 4th circulating pump 11 through the 4th valve 18; Described source heat pump water heater group 6 vaporizer side chilled water inlet to export with the heat-obtaining circulation line of seasonal thermal energy storage device 4 through the 7th valve 21 and the 3rd circulating pump 10 and is connected; Source heat pump water heater group 6 vaporizer side chilled water outlet is connected with the heat-obtaining circulation line entrance of seasonal thermal energy storage device 4 through the 4th valve 18, the 3rd valve 17 and the second valve 16; Source heat pump water heater group 6 condenser side cooling water inlet the 6th valve 20 exports with energy storage equipment 7 accumulation of heat at night loop and is connected; Source heat pump water heater group 6 condenser side coolant outlet is connected with energy storage equipment 7 accumulation of heat at night loop head through the 5th circulating pump 12; Described energy storage equipment 7 accumulation of heat at night loop outlet is connected with the hot side entrance of the tenth valve 24 with the second heat exchanger 3 through the 6th circulating pump 13; Energy storage equipment 7 accumulation of heat at night loop head is connected through the hot side outlet of the 9th valve 23 with the second heat exchanger 3.
Air Resource Heat Pump Unit of the present invention is three operating mode units, can running refrigerating operating mode, low-temperature heating operating mode, high temperature heating condition.
Seasonal thermal energy storage device of the present invention and night energy storage equipment can be open type heat-exchanger rig also can be enclosed heat-exchanger rig.Heat storage medium can be water, soil, sandstone, phase-change material or wherein several combinations.
The second circulating pump be connected with seasonal thermal energy storage device accumulation of heat circulation line of the present invention, the 3rd circulating pump be connected with heat-obtaining circulation line, the 6th circulating pump be connected with energy storage equipment accumulation of heat at night pipeline is immersible pump or ordinary cycle pump; The first circulating pump be connected with solar thermal collector, the 7th circulating pump be connected with user's lateral line, the 4th circulating pump be connected with air source heat pump condenser side, the 5th circulating pump be connected with source heat pump water heater group condensation side is ordinary cycle pump.
The operation method of the heating air-conditioner system of comprehensive utilization solar energy provided by the invention and air energy, is characterized in that: the operation method of the heating air-conditioner system of described comprehensive utilization solar energy and air energy comprises following ten kinds of operational modes:
(1) solar energy-seasonal thermal energy storage device accumulation of heat pattern, this mode operation annual system stop heating or system to utilize night, energy storage equipment heated time, the solar heat collected by solar thermal collector is stored in seasonal thermal energy storage device by the first heat exchanger.
(2) Air Resource Heat Pump Unit single-stage accumulation of heat pattern, this mode operation In The Initial Period Of Heating and latter stage outdoor environment temperature higher, the Air Resource Heat Pump Unit Performance Ratio good night dip electricity period, this pattern utilizes night dip electricity to be stored by air heat energy in night energy storage equipment, using the thermal source as heat supply on daytime.
(3) air-source-water resource heat pump coupling accumulation of heat pattern, this mode operation is in the paddy electricity period at night in outside air temperature lower period, and this pattern utilizes night dip electricity to be stored by air heat energy in night energy storage equipment, using the thermal source as heat supply on daytime.
(4) seasonal thermal energy storage device is as water resource heat pump low-temperature heat source accumulation of heat pattern, this mode operation is in the temperature of the seasonal thermal energy storage device lower paddy electricity period at night be not enough to when meeting consumers' demand, using seasonal thermal energy storage device as the low-temperature heat source of source heat pump water heater group to when night, energy storage equipment carried out accumulation of heat, this pattern utilizes night dip electricity to be stored by the heat energy in seasonal storage device in night energy storage equipment, using the thermal source as heat supply on daytime.
(5) Air Resource Heat Pump Unit single-stage cold-storage pattern, this mode operation is not enough to supply the refrigeration duty of user and the night dip electricity period of good performance of air source heat pump at seasonal thermal energy storage device, this pattern utilizes night dip electricity to be stored by air cold energy in night energy storage equipment, using the low-temperature receiver as cooling on daytime.
(6) seasonal thermal energy storage device is as water resource heat pump low-temperature receiver cold-storage pattern, this mode operation is not enough to the paddy electricity period at night when meeting consumers' demand at the cold of Air Resource Heat Pump Unit single-stage cold-storage, using seasonal thermal energy storage device as the low-temperature receiver of source heat pump water heater group to when night, energy storage equipment carried out cold-storage, this pattern utilizes night dip electricity to be stored by the cold energy in seasonal thermal energy storage device in night energy storage equipment, using the low-temperature receiver as cooling on daytime.
(7) seasonal thermal energy storage device heating mode, this mode operation is lower in outside air temperature, and air source heat pump amount of stored heat is not enough and seasonal thermal energy storage unit temp meets heating when requiring, carries out direct heating to user.
Night energy storage equipment heating mode, this mode operation when night, energy storage equipment temperature met heating condition, because every night all carries out accumulation of heat to energy storage equipment at night, so can daytime the heat stored be used for supplying user.
(9) seasonal thermal energy storage device cooling mode, this mode operation is at the cooling initial stage, long-term from heat-obtaining seasonal storage device due to heating period, make its temperature of cooling initial stage lower, may be used for user's cooling, or when cold period, seasonal storage unit temp can not reach cooling needs in confession, night can carry out cold-storage as the low temperature cold source of source heat pump water heater group to energy storage equipment at night.
Night energy storage equipment cooling mode, this mode operation night energy storage equipment temperature meet for cool condition time, because every night all carries out cold-storage to energy storage equipment at night, so can daytime the cold stored be used for supplying user.
Beneficial effect of the present invention:
1, present invention achieves air can with the mutual supplement with each other's advantages of solar energy, solve that solar energy energy-flux density is low, intermittent, the problem of unstability and net for air-source heat pump units low-temperature heating performance difference, improve the stability of system; Various heating sources complementation utilizes, and effectively make use of regenerative resource, decreases the use of conventional energy resource.
2, present invention achieves single-stage energy accumulation mode and the air-source-water resource heat pump two-stage coupling accumulation of heat pattern of Air Resource Heat Pump Unit, various working switches, and improves flexibility and the high efficiency of system; Two-stage coupling energy accumulation mode reduces compressor pressure ratio, improves the low-temperature heating of air source heat pump, and the energy utilization rate of heat supply in winter pattern is improved greatly.
3, the present invention carries out accumulation of energy by utilizing trough-electricity night, effectively utilizes trough-electricity and carries out peak load shifting, alleviate the contradiction of electric charge peak-valley difference.Because the electricity price is round the clock poor, the operating cost of system is reduced greatly, improves the economy of system.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the heating air-conditioner system of comprehensive utilization solar energy of the present invention and air energy.
Fig. 2 is the schematic diagram of solar energy of the present invention-seasonal thermal energy storage device accumulation of heat.
Fig. 3 is the schematic diagram of Air Resource Heat Pump Unit single-stage of the present invention accumulation of energy.
Fig. 4 is the schematic diagram of air-source of the present invention-water resource heat pump coupling accumulation of heat.
Fig. 5 is the schematic diagram of seasonal thermal energy storage device of the present invention as the accumulation of energy of water resource heat pump Cooling and Heat Source.
Fig. 6 is the schematic diagram of seasonal thermal energy storage device of the present invention heating (cold) mode.
Fig. 7 is the schematic diagram of energy storage equipment heating at night (cold) mode of the present invention.
In Fig. 1-Fig. 7, the title of Reference numeral is as follows: 1-solar thermal collector 2-first heat exchanger 3-second heat exchanger 4-seasonal thermal energy storage device 5-Air Resource Heat Pump Unit 6-source heat pump water heater group 7-energy storage equipment at night 8-first circulating pump 9-second circulating pump 10-the 3rd circulating pump 11-the 4th circulating pump 12-the 5th circulating pump 13-the 6th circulating pump 14-the 7th circulating pump 15-first valve 16-second valve 17-the 3rd valve 18-the 4th valve 19-the 5th valve 20-the 6th valve 21-the 7th valve 22-the 8th valve 23-the 9th valve 24-the tenth valve.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
Fig. 1 be comprehensive utilization solar energy and air can the schematic diagram of heating air-conditioner system, this heating air-conditioner system comprise solar thermal collector 1, first heat exchanger 2, second heat exchanger 3, seasonal thermal energy storage device 4, Air Resource Heat Pump Unit 5, source heat pump water heater group 6 and night the composition such as energy storage equipment 7; The outlet of described solar thermal collector 1 is connected with the hot side entrance of the first heat exchanger 2; The hot side outlet of the first heat exchanger 2 is connected with the entrance of solar thermal collector 1 through the first circulating pump 8; Described seasonal thermal energy storage device 4 accumulation of heat circulation line outlet is connected through the cold side input port of the second circulating pump 9 with the first heat exchanger 2; The cold side outlet port of the first heat exchanger 2 is connected with seasonal thermal energy storage device 4 accumulation of heat circulation line entrance; The heat-obtaining circulation line outlet of described seasonal thermal energy storage device 4 is connected with the hot side entrance of the first valve 15 with the second heat exchanger 3 through the 3rd circulating pump 10; The hot side outlet of the second heat exchanger 3 is connected with the heat-obtaining circulation line entrance of seasonal thermal energy storage device 4 through the second valve 16; The cold side outlet port of the second described heat exchanger 3 is connected with the water supply line of user through the 7th circulating pump 14; The cold side input port of the second heat exchanger 3 is connected with the water return pipeline of user; Described Air Resource Heat Pump Unit 5 condenser side coolant outlet through the 8th valve 22 with night energy storage equipment 7 accumulation of heat loop head be connected; Air Resource Heat Pump Unit 5 condenser side cooling water inlet the 4th circulating pump 11 and the 5th valve 19 export be connected with the accumulation of heat loops of energy storage equipment 7 at night; Described source heat pump water heater group 6 vaporizer side chilled water inlet is connected with Air Resource Heat Pump Unit condenser side coolant outlet; Source heat pump water heater group 6 vaporizer side chilled water outlet is connected with the condenser side cooling water inlet of Air Resource Heat Pump Unit 5 with the 4th circulating pump 11 through the 4th valve 18; Described source heat pump water heater group 6 vaporizer side chilled water inlet to export with the heat-obtaining circulation line of seasonal thermal energy storage device 4 through the 7th valve 21 and the 3rd circulating pump 10 and is connected; Source heat pump water heater group 6 vaporizer side chilled water outlet is connected with the heat-obtaining circulation line entrance of seasonal thermal energy storage device 4 through the 4th valve 18, the 3rd valve 17 and the second valve 16; Source heat pump water heater group 6 condenser side cooling water inlet the 6th valve 20 exports with energy storage equipment 7 accumulation of heat at night loop and is connected; Source heat pump water heater group 6 condenser side coolant outlet is connected with energy storage equipment 7 accumulation of heat at night loop head through the 5th circulating pump 12; Described energy storage equipment 7 accumulation of heat at night loop outlet is connected with the hot side entrance of the tenth valve 24 with the second heat exchanger 3 through the 6th circulating pump 13; Energy storage equipment 7 accumulation of heat at night loop head is connected through the hot side outlet of the 9th valve 23 with the second heat exchanger 3.
Fig. 2-Fig. 7 is respectively the schematic diagram of different operational mode of the present invention.
Below in conjunction with accompanying drawing, use procedure of the present invention is described:
Fig. 2 is solar energy-seasonal thermal energy storage device accumulation of heat pattern schematic diagram, this mode operation annual system stop heating or system to utilize night, energy storage equipment heated time, open solar thermal collector 1 and the first heat exchanger 2, first circulating pump 8 and the second circulating pump 9, close the 3rd circulating pump 10 and the second valve 16, the solar heat collected by solar thermal collector 1 is stored in seasonal thermal energy storage device 4 by the first heat exchanger 2.
Fig. 3 is Air Resource Heat Pump Unit single-stage accumulation of heat pattern schematic diagram, this mode operation is at In The Initial Period Of Heating and outdoor environment temperature in latter stage higher (during as t>t1), the Air Resource Heat Pump Unit Performance Ratio good night dip electricity period, now system opens Air Resource Heat Pump Unit 5, the 4th circulating pump 11, the 5th valve 19 and the 8th valve 22, closes source heat pump water heater group the 6, the 5th circulating pump 12 and the 6th circulating pump 13, the 3rd valve 17, the 4th valve 18, the 6th valve 20, the 7th valve 21, the 9th valve 23.This pattern utilizes night dip electricity to be stored by air heat energy in night energy storage equipment 7, using the thermal source as heat supply on daytime.
Summer, Air Resource Heat Pump Unit single-stage cold-storage pattern schematic diagram was identical with Fig. 3, this mode operation is not enough to supply the refrigeration duty of user and the night dip electricity period of good performance of air source heat pump at seasonal thermal energy storage device (4), now system opens Air Resource Heat Pump Unit 5, the 4th circulating pump 11, the 5th valve 19 and the 8th valve 22, closes source heat pump water heater group the 6, the 5th circulating pump 12 and the 6th circulating pump 13, the 3rd valve 17, the 4th valve 18, the 6th valve 20, the 7th valve 21, the 9th valve 23.This pattern utilizes night dip electricity to store in energy storage equipment at night (7) by air cold energy, using the low-temperature receiver as cooling on daytime.
Fig. 4 is air-source-water resource heat pump coupling accumulation of heat pattern schematic diagram, this mode operation is in the paddy electricity period at night of outside air temperature lower period (during as t2<t<t1), now system opens Air Resource Heat Pump Unit 5 and source heat pump water heater group 6, the 4th circulating pump 11 and the 5th circulating pump 12, the 4th valve 18, the 6th valve 20, closes the 6th circulating pump 13, the 3rd valve 17, the 5th valve 19, the 7th valve 21, the 8th valve 22, the 9th valve 23.This pattern utilizes night dip electricity to be stored by air heat energy in night energy storage equipment 7, using the thermal source as heat supply on daytime.
Fig. 5 is that seasonal thermal energy storage device is as water resource heat pump low-temperature heat source accumulation of heat pattern schematic diagram, this mode operation is at the temperature of seasonal thermal energy storage device lower (during as t'<t3), be not enough to the paddy electricity period at night when meeting consumers' demand, using seasonal thermal energy storage device as the low-temperature heat source of source heat pump water heater group to when night, energy storage equipment carried out accumulation of heat, now system open water source heat pump hot water group 6, 3rd circulating pump 10 and the 5th circulating pump 12, second valve 16, 3rd valve 17, 4th valve 18, 6th valve 20, 7th valve 21, close the 4th circulating pump 11 and the 6th circulating pump 13, 5th valve 19, 8th valve 22, 9th valve 23.This pattern utilizes night dip electricity to be stored by the heat energy in seasonal storage device in night energy storage equipment 7, using the thermal source as heat supply on daytime.
Summer, seasonal thermal energy storage device was identical with Fig. 5 as water resource heat pump low-temperature receiver cold-storage pattern schematic diagram, this mode operation is not enough to the paddy electricity period at night when meeting consumers' demand at the cold of Air Resource Heat Pump Unit single-stage cold-storage, using seasonal thermal energy storage device as the low-temperature receiver of source heat pump water heater group to when night, energy storage equipment carried out cold-storage, now system open water source heat pump hot water group 6, 3rd circulating pump 10 and the 5th circulating pump 12, second valve 16, 3rd valve 17, 4th valve 18, 6th valve 20, 7th valve 21, close the 4th circulating pump 11 and the 6th circulating pump 13, 5th valve 19, 8th valve 22, 9th valve 23.This pattern utilizes night dip electricity to be stored by the heat energy in seasonal storage device in night energy storage equipment 7, using the thermal source as heat supply on daytime.
Fig. 6 is seasonal thermal energy storage device heating mode schematic diagram, this mode operation is at outside air temperature lower (during as t<t2), air source heat pump amount of stored heat is not enough and seasonal thermal energy storage unit temp (as t'>t3) meets heating when requiring, now system opens the second heat exchanger 3, the 3rd circulating pump 10 and the 7th circulating pump 14, first valve 15 and the second valve 16, close the 3rd valve 17, the 7th valve 21, the 9th valve 23 and the tenth valve 24, form heating loop and heat.
Summer, seasonal thermal energy storage device cooling mode schematic diagram was identical with Fig. 6, this mode operation is at the cooling initial stage, long-term from heat-obtaining seasonal storage device 4 due to heating period, make its temperature of cooling initial stage lower, may be used for user's cooling, now system opens the second heat exchanger 3, the 3rd circulating pump 10 and the 7th circulating pump 14, first valve 15 and the second valve 16, close the 3rd valve 17, the 7th valve 21, the 9th valve 23 and the tenth valve 24, form cooling loop and carry out cooling, and condensation heat stores in seasonal storage device 4.
Fig. 7 is energy storage equipment heating mode schematic diagram at night, this mode operation is when night, energy storage equipment temperature met heating condition, because every night all 7 carries out accumulation of heat to energy storage equipment at night, so the heat stored can be used for supplying user by daytime, now system opens the second heat exchanger 3, the 6th circulating pump 13 and the 7th circulating pump 14, the 9th valve 23 and the tenth valve 24, close the 5th circulating pump 12, first valve 15, second valve 16, the 3rd valve 17, the 5th valve 19, the 6th valve 20, the 8th valve 22, form heating loop and user is heated.
Night in summer, energy storage equipment cooling mode schematic diagram was identical with Fig. 7, this mode operation is when night, energy storage equipment temperature met for cool condition, because every night all carries out cold-storage to energy storage equipment at night, so can daytime the cold stored be used for supplying user, now system opens the second heat exchanger 3, 6th circulating pump 13 and the 7th circulating pump 14, 9th valve 23 and the tenth valve 24, close the 5th circulating pump 12, first valve 15, second valve 16, 3rd valve 17, 5th valve 19, 6th valve 20, 8th valve 22, form cooling loop and cooling is carried out to user.
In concrete enforcement, Air Resource Heat Pump Unit can realize three operating mode operational modes, can produce the cold water of 4 ~ 7 DEG C when Air Resource Heat Pump Unit is used for single-stage cold-storage; When the hot water of Air Resource Heat Pump Unit just for 40 ~ 50 DEG C can be produced during single-stage accumulation of heat, and with just just heating as the first order during accumulation of heat of water resource heat pump two-stage coupling, now can produce the hot water of 10 ~ 20 DEG C, water source heat pump units then can produce the hot water of 50 ~ 60 DEG C.
In concrete enforcement, the zone temperature in each period can be determined on a case-by-case basis, such as: in heat supply in winter pattern, and desirable-20 ~-25 DEG C of desirable-5 ~ 0 DEG C of two zone temperature t1 of outdoor temperature t, t2; Desirable 35 ~ 45 DEG C of the zone temperature t3 of the temperature t' stored in seasonal thermal energy storage device.

Claims (5)

1. fully utilize a heating air-conditioner system for solar energy and air energy, this heating air-conditioner system comprises and forms at solar thermal collector (1), the first heat exchanger (2), the second heat exchanger (3), seasonal thermal energy storage device (4), Air Resource Heat Pump Unit (5), source heat pump water heater group (6) and energy storage equipment at night (7); The outlet of described solar thermal collector (1) is connected with the hot side entrance of the first heat exchanger (2); The hot side outlet of the first heat exchanger (2) is connected through the entrance of the first circulating pump (8) with solar thermal collector (1); Described seasonal thermal energy storage device (4) accumulation of heat circulation line outlet is connected through the cold side input port of the second circulating pump (9) with the first heat exchanger (2); The cold side outlet port of the first heat exchanger (2) is connected with seasonal thermal energy storage device (4) accumulation of heat circulation line entrance; The heat-obtaining circulation line outlet of described seasonal thermal energy storage device (4) is connected with the hot side entrance of the first valve (15) with the second heat exchanger (3) through the 3rd circulating pump (10); The hot side outlet of the second heat exchanger (3) is connected with the heat-obtaining circulation line entrance of seasonal thermal energy storage device (4) through the second valve (16); The cold side outlet port of described the second heat exchanger (3) is connected with the water supply line of user through the 7th circulating pump (14); The cold side input port of the second heat exchanger (3) is connected with the water return pipeline of user; Described Air Resource Heat Pump Unit (5) condenser side coolant outlet is connected with the accumulation of heat loop head at energy storage equipment at night (7) through the 8th valve (22); Air Resource Heat Pump Unit (5) condenser side cooling water inlet the 4th circulating pump (11) and the 5th valve (19) export with the accumulation of heat loop at energy storage equipment at night (7) and are connected; Described source heat pump water heater group (6) vaporizer side chilled water inlet is connected with Air Resource Heat Pump Unit condenser side coolant outlet; Source heat pump water heater group (6) vaporizer side chilled water outlet is connected with the condenser side cooling water inlet of Air Resource Heat Pump Unit (5) with the 4th circulating pump (11) through the 4th valve (18); Described source heat pump water heater group (6) vaporizer side chilled water inlet to export with the heat-obtaining circulation line of seasonal thermal energy storage device (4) through the 7th valve (21) and the 3rd circulating pump (10) and is connected; Source heat pump water heater group (6) vaporizer side chilled water outlet is connected with the heat-obtaining circulation line entrance of seasonal thermal energy storage device (4) with the second valve (16) through the 4th valve (18), the 3rd valve (17); Source heat pump water heater group (6) condenser side cooling water inlet the 6th valve (20) exports with energy storage equipment (7) accumulation of heat loop at night and is connected; Source heat pump water heater group (6) condenser side coolant outlet is connected with energy storage equipment (7) accumulation of heat loop head at night through the 5th circulating pump (12); Described energy storage equipment at night (7) accumulation of heat loop outlet is connected with the hot side entrance of the second heat exchanger (3) with the tenth valve (24) through the 6th circulating pump (13); Night, energy storage equipment (7) accumulation of heat loop head was connected with the hot side outlet of the second heat exchanger (3) through the 9th valve (23).
2. a kind of heating air-conditioner system fully utilizing solar energy and air energy according to claim 1, it is characterized in that: Air Resource Heat Pump Unit (5) is three operating mode units, can running refrigerating operating mode, low-temperature heating operating mode, high temperature heating condition.
3. a kind of heating air-conditioner system fully utilizing solar energy and air energy according to claim 1, it is characterized in that: described seasonal thermal energy storage device (4) and energy storage equipment at night (7) are open type heat-exchanger rigs, or enclosed heat-exchanger rig; Heat storage medium is water, soil, sandstone, or wherein several combinations.
4. a kind of heating air-conditioner system fully utilizing solar energy and air energy according to claim 1, it is characterized in that: described the second circulating pump (9) be connected with seasonal thermal energy storage device accumulation of heat circulation line, the 3rd circulating pump (10) be connected with heat-obtaining circulation line is circulating pump with the 6th circulating pump (13) that night, energy storage equipment (7) accumulation of heat loop was connected; Described the first circulating pump (8) be connected with solar thermal collector, the 7th circulating pump (14) be connected with user's lateral line, the 4th circulating pump (11) be connected with air source heat pump condenser side, the 5th circulating pump (12) be connected with source heat pump water heater group condensation side is circulating pump.
5. adopt an operation method for the heating air-conditioner system of comprehensive utilization solar energy as claimed in claim 1 and air energy, it is characterized in that: the operation method of the heating air-conditioner system of described comprehensive utilization solar energy and air energy comprises following ten kinds of operational modes:
(1) solar energy-seasonal thermal energy storage device accumulation of heat pattern, this mode operation annual system stop heating or system to utilize night, energy storage equipment heated time, open solar thermal collector (1) and the first heat exchanger (2), the first circulating pump (8) and the second circulating pump (9), close the 3rd circulating pump (10) and the second valve (16), the solar heat collected by solar thermal collector (1) stores in seasonal thermal energy storage device (4) by the first heat exchanger (2);
(2) Air Resource Heat Pump Unit single-stage accumulation of heat pattern, this mode operation In The Initial Period Of Heating and latter stage outdoor environment temperature higher, the Air Resource Heat Pump Unit Performance Ratio good night dip electricity period, now system opens Air Resource Heat Pump Unit (5), 4th circulating pump (11), 5th valve (19) and the 8th valve (22), close source heat pump water heater group (6), 5th circulating pump (12) and the 6th circulating pump (13), 3rd valve (17), 4th valve (18), 6th valve (20), 7th valve (21), 9th valve (23), this pattern utilizes night dip electricity to store in energy storage equipment at night (7) by air heat energy, using the thermal source as heat supply on daytime,
(3) air-source-water resource heat pump coupling accumulation of heat pattern, this mode operation is in the paddy electricity period at night in outside air temperature lower period, now system open Air Resource Heat Pump Unit (5) and source heat pump water heater group (6), the 4th circulating pump (11) and the 5th circulating pump (12), the 4th valve (18), the 6th valve (20), close the 6th circulating pump (13), the 3rd valve (17), the 5th valve (19), the 7th valve (21), the 8th valve (22), the 9th valve (23); This pattern utilizes night dip electricity to store in energy storage equipment at night (7) by air heat energy, using the thermal source as heat supply on daytime;
(4) seasonal thermal energy storage device is as water resource heat pump low-temperature heat source accumulation of heat pattern, this mode operation is in the temperature of the seasonal thermal energy storage device lower paddy electricity period at night be not enough to when meeting consumers' demand, using seasonal thermal energy storage device as the low-temperature heat source of source heat pump water heater group to when night, energy storage equipment carried out accumulation of heat, now system open water source heat pump hot water group (6), 3rd circulating pump (10) and the 5th circulating pump (12), second valve (16), 3rd valve (17), 4th valve (18), 6th valve (20), 7th valve (21), close the 4th circulating pump (11) and the 6th circulating pump (13), 5th valve (19), 8th valve (22), 9th valve (23), this pattern utilizes night dip electricity to store in energy storage equipment at night (7) by the heat energy in seasonal storage device, using the thermal source as heat supply on daytime,
(5) Air Resource Heat Pump Unit single-stage cold-storage pattern, this mode operation is not enough to supply the refrigeration duty of user and the night dip electricity period of good performance of air source heat pump at seasonal thermal energy storage device (4), now system opens Air Resource Heat Pump Unit (5), 4th circulating pump (11), 5th valve (19) and the 8th valve (22), close source heat pump water heater group (6), 5th circulating pump (12) and the 6th circulating pump (13), 3rd valve (17), 4th valve (18), 6th valve (20), 7th valve (21), 9th valve (23), this pattern utilizes night dip electricity to store in energy storage equipment at night (7) by air cold energy, using the low-temperature receiver as cooling on daytime,
(6) seasonal thermal energy storage device is as water resource heat pump low-temperature receiver cold-storage pattern, this mode operation is not enough to the paddy electricity period at night when meeting consumers' demand at the cold of Air Resource Heat Pump Unit single-stage cold-storage, using seasonal thermal energy storage device as the low-temperature receiver of source heat pump water heater group to when night, energy storage equipment carried out cold-storage, now system open water source heat pump hot water group (6), 3rd circulating pump (10) and the 5th circulating pump (12), second valve (16), 3rd valve (17), 4th valve (18), 6th valve (20), 7th valve (21), close the 4th circulating pump (11) and the 6th circulating pump (13), 5th valve (19), 8th valve (22), 9th valve (23), this pattern utilizes night dip electricity to store in energy storage equipment at night (7) by the cold energy in seasonal thermal energy storage device, using the low-temperature receiver as cooling on daytime,
(7) seasonal thermal energy storage device heating mode, this mode operation is lower in outside air temperature, air source heat pump amount of stored heat is not enough and seasonal thermal energy storage unit temp meets heating when requiring, now system opens the second heat exchanger (3), the 3rd circulating pump (10) and the 7th circulating pump (14), the first valve (15) and the second valve (16), close the 3rd valve (17), the 7th valve (21), the 9th valve (23) and the tenth valve (24), form heating loop and heat;
Night energy storage equipment heating mode, this mode operation is when night, energy storage equipment temperature met heating condition, because every night is all to carrying out accumulation of heat energy storage equipment at night (7), so the heat stored can be used for supplying user by daytime, now system opens the second heat exchanger (3), 6th circulating pump (13) and the 7th circulating pump (14), 9th valve (23) and the tenth valve (24), close the 5th circulating pump (12), first valve (15), second valve (16), 3rd valve (17), 5th valve (19), 6th valve (20), 8th valve (22), form heating loop to heat to user,
(9) seasonal thermal energy storage device cooling mode, this mode operation is at the cooling initial stage, long-term from seasonal storage device (4) heat-obtaining due to heating period, make its temperature of cooling initial stage lower, may be used for user's cooling, now system opens the second heat exchanger (3), 3rd circulating pump (10) and the 7th circulating pump (14), first valve (15) and the second valve (16), close the 3rd valve (17), 7th valve (21), 9th valve (23) and the tenth valve (24), form cooling loop and carry out cooling, and condensation heat stores in seasonal storage device (4),
Night energy storage equipment cooling mode, this mode operation is when night, energy storage equipment temperature met for cool condition, because every night all carries out cold-storage to energy storage equipment at night, so can daytime the cold stored be used for supplying user, now system opens the second heat exchanger (3), 6th circulating pump (13) and the 7th circulating pump (14), 9th valve (23) and the tenth valve (24), close the 5th circulating pump (12), first valve (15), second valve (16), 3rd valve (17), 5th valve (19), 6th valve (20), 8th valve (22), form cooling loop and cooling is carried out to user.
CN201410297217.3A 2014-06-28 2014-06-28 A kind of heating air-conditioner system and operation method fully utilizing solar energy and air energy CN104075484B (en)

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