CN205425500U - Heat accumulation solar thermal energy pump gasification liquefied petroleum gas system - Google Patents

Heat accumulation solar thermal energy pump gasification liquefied petroleum gas system Download PDF

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CN205425500U
CN205425500U CN201620094413.5U CN201620094413U CN205425500U CN 205425500 U CN205425500 U CN 205425500U CN 201620094413 U CN201620094413 U CN 201620094413U CN 205425500 U CN205425500 U CN 205425500U
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valve
heat
phase transition
accumulation unit
condenser
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时国华
田胜楠
李丹
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North China Electric Power University
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North China Electric Power University
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Abstract

The utility model relates to a heat accumulation solar thermal energy pump gasification liquefied petroleum gas system. The formula of directly expanding solar thermal energy pump includes two closed refrigerant cycle passageways, first condenser and second condenser are parallelly connected, and first condenser is arranged in heating heat storage tank's water and heat accumulation, and the second condenser is arranged in heating phase transition heat accumulation unit's water and heat accumulation, heat storage tank and phase transition heat accumulation unit are parallelly connected to with first bypass pipe parallel connection on the vaporizer, form three closed hot -water circulation passageways, provide LPG gasification required heat, even have the second bypass pipe between heat storage tank's delivery pipe and phase transition heat accumulation unit's the wet return, lower and when the temperature was higher in the phase transition heat accumulation unit, the interior water of heat storage tank can pass through phase transition heat accumulation unit and further absorb heat for the temperature when heat storage tank in. The utility model provides the high year operating duration of the formula solar thermal energy pump of directly expanding, make full use of solar energy, reduced auxiliary heat source's operating duration and energy resource consumption, good economy and social have.

Description

A kind of heat-storage solar-heat pump gasification Liquefied Petroleum Gas System
Technical field
This utility model belongs to liquefied petroleum gas (LPG) gasification technology field, particularly to a kind of heat-storage solar-heat pump gasification Liquefied Petroleum Gas System.
Background technology
Owing to having a focus energy-conservation, efficient, that utilize the plurality of advantages such as regenerative resource, solar heat pump technology to study and apply in having become world wide.But the range of application of solar heat pump is concentrated mainly on building and heating, provides the fields such as domestic hot-water, refrigeration and desalinization, and range of application is narrow.nullIn order to widen the application of solar heat pump,In patent " liquefied petroleum gas gasification system based on direct expanding solar heating pump and the application " (People's Republic of China (PRC),The patent No. 201110388936.2,Authorized announcement date on March 27th, 2013) in elaborate to use the gasification system of direct expanding solar heating pump hot water preparing gasification liquefied petroleum gas,Reduce the gasification energy consumption of liquefied petroleum gas,And solar heat pump is applied to gas field,But this technology has a following problems: 1. solar radiation、Contradiction is there is in outdoor temperature and user's use gas load on Annual distribution,The most in the winter time,Solar radiation and outdoor temperature are relatively low,And it is higher with gas load,In summer,Solar radiation and outdoor temperature are higher,And it is relatively low with gas load,This solar radiation causing summer too much cannot utilize and winter too much to run auxiliary thermal source,The heat that this system needs auxiliary thermal source to provide the whole year reaches 33%,Solar use degree is the most abundant;2. when condenser breaks down or overhauls, direct expanding solar heating pump needs out of service, needs to be provided the gasification heat of liquefied petroleum QI-insufficiency by auxiliary thermal source.
Utility model content
Not enough for prior art, this utility model provides a kind of heat-storage solar-heat pump gasification Liquefied Petroleum Gas System.
A kind of heat-storage solar-heat pump gasification Liquefied Petroleum Gas System, this system includes direct expanding solar heating pump, hot water storage tank 6, phase transition heat accumulation unit 7, circulating pump 12, gasifier 8 and LPG steel cylinder group 9;
Described direct expanding solar heating pump includes solar energy heating-vaporizer 1, compressor the 2, first condenser the 3, second condenser 4 and expansion valve 5, described compressor 2, solar energy heating-vaporizer 1 and expansion valve 5 are sequentially connected with, it is connected between compressor 2 and expansion valve 5 after first condenser 3 is in parallel with the second condenser 4, forms the refrigerant circulation passage of two Guan Bis;Wherein, the cold-producing medium input of the first condenser 3 is connected to compressor 2 by the first valve 13, and the cold-producing medium outfan of the first condenser 3 is connected to expansion valve 5 through the second valve 14 and the 5th check-valves 30;The cold-producing medium input of the second condenser 4 is connected to compressor 2 by the 6th valve 18, and the cold-producing medium outfan of the second condenser 4 is connected to expansion valve 5 by the 7th valve 19 and the 6th check-valves 31;First condenser 3 water in heat storage water tank 6, the second condenser 4, for heating the water in phase transition heat accumulation unit 7, is filled with phase-change material in phase transition heat accumulation unit 7;
The entrance being communicated to feed pipe 33 for water end (W.E.) by the first check-valves 26 and the 3rd valve 15 of hot water storage tank 6, the entrance being communicated to feed pipe 33 for water end (W.E.) by the 3rd check-valves 28 and the 8th valve 20 of phase transition heat accumulation unit 7, the outlet of feed pipe 33, to the water inlet of gasifier 8, feed pipe 33 sets gradually the 4th check-valves the 29, the tenth valve 22, heat control valve 11 and auxiliary thermal source 10 along water (flow) direction;The outlet of gasifier 8 is respectively communicated to the backwater end of hot water storage tank 6 and the backwater end of phase transition heat accumulation unit 7 through circulating pump the 12 and the 11st valve 23 successively, it is connected with the first bypass pipe 35 between the port of export and the heat control valve 11 of circulating pump 12, forms the water circulation channel of three Guan Bis;The water return pipeline of hot water storage tank 6 is provided with the 4th valve 16, and the water return pipeline of phase transition heat accumulation unit 7 is provided with the 9th valve 21, and the arrival end of circulating pump 12 connects has filling pipe 37, filling pipe 37 to be provided with the 12nd valve 24;
The LPG entrance of described gasifier 8 is communicated to the liquid-phase outlet of LPG steel cylinder group 9 by gas electromagnetic valve 32, and the LPG outlet of gasifier 8 and the gaseous phase outlet of LPG steel cylinder group 9 are respectively communicated to air supply pipe 36.
It is connected with the second bypass pipe 34 between confession water end (W.E.) and the backwater end of phase transition heat accumulation unit 7 of described hot water storage tank 6, second bypass pipe 34 is provided with the 5th valve 17 and the second check-valves 27, described 5th valve 17 controls the keying of the second bypass pipe 34, and the second check-valves 27 prevents water from flowing to the supply channel of hot water storage tank 6 from the water return pipeline of phase transition heat accumulation unit 7.
Described first condenser 3 is directly immersed in hot water storage tank 6;Described second condenser 4 is arranged in phase transition heat accumulation unit 7.
Described hot water storage tank 6 is pressure-bearing type attemperater;Described phase transition heat accumulation unit 7 is cylindrical, is packaged into the spherical inside that is evenly distributed on paraffin for phase-change material, and the space between the shell of accumulation of heat spheroid and phase transition heat accumulation unit 7 is filled with water.
Described auxiliary thermal source 10 is electric heater.
Described solar energy heating-vaporizer 1 is provided with intensity of solar radiation sensor;Described hot water storage tank 6 is provided with temperature sensor with the water temperature in detection hot water storage tank 6;Described phase transition heat accumulation unit 7 is provided with the temperature sensor water temperature with detection phase transition heat accumulation unit 7, is additionally provided with temperature sensor to detect the temperature of phase-change material;It is provided with temperature sensor between described tenth valve 22 and heat control valve 11 and enters the water temperature of heat control valve 11 with detection;Described air supply pipe 36 is provided with pressure transducer to detect the outlet pressure of air supply pipe 36.
During with gas low ebb, the LPG capacity of vaporization in LPG steel cylinder group 9 meets uses gas load.If now intensity of solar radiation is not zero, direct expanding solar heating pump heats, and by heat storage: if the water temperature of hot water storage tank 6 is less than the lower limit of set water temperature, first valve 13 is opened, 6th valve 18 is closed, cold-producing medium flows through the cold-producing medium closed circulation passage that the first condenser 3 is constituted, and the water in release heat hot water storage tank 6 stores heat;If the water temperature of hot water storage tank 6 exceedes that in the lower limit of design temperature and phase transition heat accumulation unit 7, phase-change material is less than phase transition temperature, first valve 13 is closed, 6th valve 18 is opened, cold-producing medium flows through the cold-producing medium closed circulation passage that the second condenser 4 is constituted, and release heat is also stored in phase transition heat accumulation unit 7;
During with upward adverse flow of QI peak, LPG capacity of vaporization in LPG steel cylinder group 9 is insufficient for using gas load, gasifier 8 starts, circulating pump 12 starts, LPG in LPG steel cylinder group 9 enters gasifier 8, absorbs from hot water storage tank 6 and/or the heat of the hot water of phase transition heat accumulation unit 7 forced gasification with satisfied gas load;With upward adverse flow of QI peak but during illumination deficiency, the shortage of heat that direct expanding solar heating pump is produced, LPG capacity of vaporization, hot water storage tank 6 and 7 amount of stored heat of phase transition heat accumulation unit in LPG steel cylinder group 9 cannot meet LPG gasification institute calorific requirement, and auxiliary thermal source 10 runs the gasification institute calorific requirement with supplementary deficiency;When first condenser 3 and the second condenser 4 break down simultaneously or overhaul, closing hot water storage tank 6 and the backwater of phase transition heat accumulation unit 7 and water supply valve, the first bypass pipe 35 is opened, and auxiliary thermal source 10 runs provides heat of gasification with satisfied gas load;In Guan Bi water loop during water shortage, the 12nd valve 24 is opened, by filling pipe 37 toward water loop moisturizing.
The beneficial effects of the utility model are:
1. use phase transition heat accumulation unit to carry out seasonal storage, it is arranged in parallel with hot water storage tank and supplements as accumulation of heat, the year that improve direct expanding solar heating pump runs the time, take full advantage of solar energy, decrease operation time and the energy resource consumption of auxiliary thermal source, more energy-conserving and environment-protective, have good economic and social benefit;
2. the first condenser and the second condenser are arranged in parallel, and when arbitrary condenser breaks down or needs maintenance, do not affect the operation of direct expanding solar heating pump, advantageously reduce operation time and the energy resource consumption of auxiliary thermal source;
3. bypass pipe is set between hot water storage tank feed pipe and phase transition heat accumulation unit return pipe, when in hot water storage tank water temperature relatively low and time in phase transition heat accumulation unit, water temperature is higher, water in hot water storage tank can absorb heat further through phase transition heat accumulation unit, advantageously reduces operation time and the energy resource consumption of auxiliary thermal source;
4. devise the operation control strategy of heat-storage solar-heat pump gasification Liquefied Petroleum Gas System, it is possible to the reliability of supply is effectively ensured, and meet gas user uses gas load.
Accompanying drawing explanation
Fig. 1 is the flow chart of a kind of heat-storage solar-heat pump gasification Liquefied Petroleum Gas System;
Label declaration: 1-solar energy heating-vaporizer;2-compressor;3-the first condenser;4-the second condenser;5-expansion valve;6-hot water storage tank;7-phase transition heat accumulation unit;8-gasifier;9-LPG steel cylinder group;10-auxiliary thermal source;11-heat control valve;12-circulating pump;13-the first valve;14-the second valve;15-the 3rd valve;16-the 4th valve;17-the 5th valve;18-the 6th valve;19-the 7th valve;20-the 8th valve;21-the 9th valve;22-the tenth valve;23-the 11st valve;24-the 12nd valve;25-the 13rd valve;26-the first check-valves;27-the second check-valves;28-the 3rd check-valves;29-the 4th check-valves;30-the 5th check-valves;31-the 6th check-valves;32-gas electromagnetic valve;33-feed pipe;34-the second bypass pipe;35-the first bypass pipe;36-air supply pipe;37-filling pipe.
Detailed description of the invention
With detailed description of the invention, this utility model is described further below in conjunction with the accompanying drawings.It is emphasized that it is that the description below is merely exemplary rather than in order to limit scope of the present utility model and application thereof.
This utility model one heat-storage solar-heat pump gasification Liquefied Petroleum Gas System as shown in Figure 1, this system includes direct expanding solar heating pump, hot water storage tank 6, phase transition heat accumulation unit 7, circulating pump 12, gasifier 8 and LPG steel cylinder group 9;Described hot water storage tank 6 is pressure-bearing type attemperater;Described phase transition heat accumulation unit 7 is cylindrical, is packaged into the spherical inside that is evenly distributed on paraffin for phase-change material, and the space between the shell of accumulation of heat spheroid and phase transition heat accumulation unit 7 is filled with water.
Described direct expanding solar heating pump includes solar energy heating-vaporizer 1, compressor the 2, first condenser the 3, second condenser 4 and expansion valve 5, described solar energy heating-vaporizer 1 is connected between compressor 2 and expansion valve 5, first condenser 3 is in parallel with the second condenser 4, wherein, the cold-producing medium input of the first condenser 3 is connected to compressor 2 by the first valve 13, and the cold-producing medium outfan of the first condenser 3 sequentially passes through the second valve 14 and the 5th check-valves 30 is connected to expansion valve 5;The cold-producing medium input of the second condenser 4 is connected to compressor 2 by the 6th valve 18, and the cold-producing medium outfan of the second condenser 4 passes sequentially through the 7th valve 19 and the 6th check-valves 31 is connected to expansion valve 5, forms the refrigerant circulation passage of two Guan Bis;Described 5th check-valves 30 ensures that cold-producing medium flows to expansion valve 5 from the first condenser 3, and described 6th check-valves 31 ensures that cold-producing medium flows to expansion valve 5 from the second condenser 4;First condenser 3 is directly immersed in the water in hot water storage tank 6, in heat storage water tank 6;Second condenser 4 is arranged in phase transition heat accumulation unit 7, for heating the water in phase transition heat accumulation unit 7;
The confession water end (W.E.) of hot water storage tank 6 passes sequentially through the first check-valves 26 and the 3rd valve 15 is communicated to feed pipe 33, the confession water end (W.E.) of phase transition heat accumulation unit 7 passes sequentially through the 3rd check-valves 28 and the 8th valve 20 is communicated to feed pipe 33, described first check-valves 26 ensures that hot water can not flow into hot water storage tank 6 by the supply channel of hot water storage tank 6, and described 3rd check-valves 28 ensures that hot water can not flow into phase transition heat accumulation unit 7 by the supply channel of phase transition heat accumulation unit 7;Feed pipe 33 is communicated to the water inlet of gasifier 8, and feed pipe 33 sets gradually the 4th check-valves the 29, the tenth valve 22, heat control valve 11 and auxiliary thermal source 10 along water (flow) direction;The outlet of gasifier 8 is respectively communicated to the backwater end of hot water storage tank 6 and the backwater end of phase transition heat accumulation unit 7 through circulating pump the 12 and the 11st valve 23 successively, it is connected with the first bypass pipe 35 between the port of export and the heat control valve 11 of circulating pump 12, forms the water circulation channel of three Guan Bis;It is connected with the second bypass pipe 34 between confession water end (W.E.) and the backwater end of phase transition heat accumulation unit 7 of described hot water storage tank 6, second bypass pipe 34 is provided with the 5th valve 17 and the second check-valves 27, described 5th valve 17 controls the keying of the second bypass pipe 34, second check-valves 27 ensures that water flows to the water return pipeline of phase transition heat accumulation unit 7 from the supply channel of hot water storage tank 6, when in hot water storage tank 6 water temperature relatively low and time in phase transition heat accumulation unit 7, water temperature is higher, the water in hot water storage tank 6 can absorb heat further through phase transition heat accumulation unit 7;The water return pipeline of hot water storage tank 6 is provided with the 4th valve 16, and the water return pipeline of phase transition heat accumulation unit 7 is provided with the 9th valve 21, and the arrival end of described circulating pump 12 connects has filling pipe 37, filling pipe 37 to be provided with the 12nd valve 24;
The LPG entrance of described gasifier 8 is communicated to the liquid-phase outlet of LPG steel cylinder group 9 by gas electromagnetic valve 32, and the LPG outlet of gasifier 8 and the gaseous phase outlet of LPG steel cylinder group 9 are respectively communicated to air supply pipe 36.
Described auxiliary thermal source 10 is electric heater.
Described solar energy heating-vaporizer 1 is provided with intensity of solar radiation sensor to detect intensity of solar radiation IS;Described hot water storage tank 6 is provided with temperature sensor with the water temperature T in detection hot water storage tank 6ST1;Described phase transition heat accumulation unit 7 is provided with temperature sensor to detect the water temperature T of phase transition heat accumulation unit 7ST2, it is additionally provided with temperature sensor to detect temperature T of accumulation of heat ball centrePCMC;It is provided with temperature sensor between described tenth valve 22 and heat control valve 11 and enters the water temperature T of heat control valve 11 with detectionST3;Described air supply pipe 36 is provided with pressure transducer to detect the outlet pressure P of air supply pipe 36.
Below in conjunction with accompanying drawing 1, the operation control strategy of heat-storage solar-heat pump gasification Liquefied Petroleum Gas System is described:
For convenience of description, the water temperature upper limit set in regulation hot water storage tank 6 in the present embodiment is as TSTUIt is T with water temperature lower limitSTL, the phase transition temperature of accumulation of heat spheroid be TPCAnd the outlet pressure set in air supply pipe 36 is as PSET
Direct expanding solar heating pump open/stop control: work as IS≠ 0, TST< TSTLTime, direct expanding solar heating pump runs and heats, the water in heat storage water tank 6;Work as IS≠ 0, TSTL≤TST≤TSTUAnd TPCMC< TPCTime, direct expanding solar heating pump runs and heats, and phase transition heat accumulation unit 7 carries out accumulation of heat.
Gasifier 8 open/stop control: as P < PSETTime, circulating pump 12 starts, and gasifier 8 runs;As P >=PSETTime, circulating pump 12 closes down, and gasifier 8 is out of service.
Auxiliary thermal source 10 open/stop control: when circulating pump 12 is opened and P < PSETTime, auxiliary thermal source 10 is opened and is run;When circulating pump 12 is opened and P >=PSETTime, auxiliary thermal source 10 is out of service.
Below in conjunction with accompanying drawing 1, the operation principle of heat-storage solar-heat pump gasification Liquefied Petroleum Gas System is described:
When system brings into operation, when intensity of solar radiation is not zero, direct expanding solar heating pump runs, and the first valve 13 is opened, and the 6th valve 18 is closed, direct expanding solar heating pump heats the water in heat storage water tank 6, when in hot water storage tank 6, water temperature reaches the temperature upper limit set, the first valve 13 is closed, and the 6th valve 18 is opened, hot water storage tank 6 stops accumulation of heat, and phase transition heat accumulation unit 7 starts accumulation of heat;When in hot water storage tank 6, water temperature is prescribed a time limit less than at a temperature of setting, and the 6th valve 18 is closed, and phase transition heat accumulation unit 7 stops accumulation of heat, and the first valve 13 is opened, and hot water storage tank 6 continues accumulation of heat.
During with gas low ebb, circulating pump 12 stops, gas electromagnetic valve the 32 and the 13rd valve 25 is closed, and after liquid LPG in LPG steel cylinder group 9 absorbs the sensible heat of self and the heat spontaneous vaporization of steel cylinder outside environment, uses gas load through what air supply pipe 36 entered that gas transmission pipeline net work meets user.
During with upward adverse flow of QI peak, liquid LPG in LPG steel cylinder group 9 relies on what spontaneous vaporization cannot meet gas user to use gas load, circulating pump 12 is opened, gas electromagnetic valve the 32 and the 13rd valve 25 is opened, gasifier 8 works, 5th valve 17 and the 9th valve 21 are closed, liquid LPG in LPG steel cylinder group 9 relies on pressure itself to enter gasifier 8 through gas electromagnetic valve 32, hot water in hot water storage tank 6 enters gasifier 8 through feed pipe 36, after both heat exchange, hot water returns hot water storage tank 6 after circulating pump 12 pressurizes, the LPG of gasification enters gas transmission pipeline net work supply gas user through air supply pipe 36.
During by upward adverse flow of QI peak and illumination deficiency, water temperature in hot water storage tank 6 is less than the design inflow temperature lower limit of gasifier 8, if the water temperature in phase transition heat accumulation unit 7 is higher than the design inflow temperature lower limit of gasifier 8, 3rd valve 15 is closed, 5th valve 17 and the 8th valve 20 are opened, gas electromagnetic valve 32 is opened, circulating pump 12 and gasifier 8 work, liquid LPG in LPG steel cylinder group 9 relies on pressure itself to enter gasifier 8 through gas electromagnetic valve 32, after water in hot water storage tank 6 enters phase transition heat accumulation unit 7 heating by the second bypass pipe 34, gasifier 8 is entered again through feed pipe 36, after both heat exchange, hot water returns hot water storage tank 6 after circulating pump 12 pressurizes, the liquefied petroleum gas of gasification enters gas transmission pipeline net work supply gas user through air supply pipe 36;
When circulating pump 12 open, gasifier 8 work time, if the design inflow temperature being below gasifier 8 for the hot water temperature in water end (W.E.) supplying water end (W.E.) and phase transition heat accumulation unit 7 of hot water storage tank 6, then opening auxiliary thermal source 10, hot water enters gasifier 8 after being heated to design inflow temperature;If the hot water temperature for water end (W.E.) of hot water storage tank 6 is higher than the design inflow temperature upper limit of gasifier 8, or the water in hot water storage tank 6 enters the design inflow temperature upper limit higher than gasifier 8 of the hot water temperature after phase transition heat accumulation unit 7 heats by the second bypass pipe 34, then utilize heat control valve 11 and the first bypass pipe 35, mix a part of backwater, it is ensured that supply water temperature is equal to the design inflow temperature of gasifier 8.
When the first condenser 3 or hot water storage tank 6 break down or overhaul, first valve the 13, second valve the 14, the 3rd valve the 15, the 4th valve 16 and the 5th valve 17 are closed, and the 6th valve the 18, the 7th valve the 19, the 8th valve the 20, the 9th valve 21 is opened.During with upward adverse flow of QI peak, liquid LPG in LPG steel cylinder group 9 relies on what spontaneous vaporization cannot meet gas user to use gas load, circulating pump 12 is opened, gas electromagnetic valve the 32 and the 13rd valve 25 is opened, gasifier 8 works, liquid LPG in LPG steel cylinder group 9 relies on pressure itself to enter gasifier 8 through gas electromagnetic valve 32, hot water in phase transition heat accumulation unit 7 enters gasifier 8 through feed pipe 36, after both heat exchange, hot water returns phase transition heat accumulation unit 7 after circulating pump 12 pressurizes and heats, and the LPG of gasification enters gas transmission pipeline net work supply gas user through air supply pipe 36.
When the second condenser 4 or phase transition heat accumulation unit 7 break down or overhaul, the 5th valve the 17, the 6th valve the 18, the 7th valve the 19, the 8th valve 20 and the 9th valve 21 are closed, and first valve the 13, second valve the 14, the 3rd valve 15 and the 4th valve 16 are opened.During with upward adverse flow of QI peak, liquid LPG in LPG steel cylinder group 9 relies on what spontaneous vaporization cannot meet gas user to use gas load, circulating pump 12 is opened, gas electromagnetic valve the 32 and the 13rd valve 25 is opened, gasifier 8 works, liquid LPG in LPG steel cylinder group 9 relies on pressure itself to enter gasifier 8 through gas electromagnetic valve 32, hot water in hot water storage tank 6 enters gasifier 8 through feed pipe 36, after both heat exchange, hot water returns hot water storage tank 6 after circulating pump 12 pressurizes, and the LPG of gasification enters gas transmission pipeline net work supply gas user through air supply pipe 36.
When the miscellaneous part in direct expanding solar heating pump, when breaking down such as solar energy heating-vaporizer 1, compressor 2 or expansion valve 5 or overhaul, first valve the 13, second valve the 14, the 6th valve 18 and the 7th valve 19 are closed, and the valve opening and closing of hot water line is consistent with system situation time properly functioning.
If the water yield is inadequate in Guan Bi water loop, the 12nd valve 24 is opened, by filling pipe 37 toward moisturizing in water loop.

Claims (6)

1. a heat-storage solar-heat pump gasification Liquefied Petroleum Gas System, it is characterized in that, this system includes direct expanding solar heating pump, hot water storage tank (6), phase transition heat accumulation unit (7), circulating pump (12), gasifier (8) and LPG steel cylinder group (9);
Described direct expanding solar heating pump includes solar energy heating-vaporizer (1), compressor (2), the first condenser (3), the second condenser (4) and expansion valve (5), described compressor (2), solar energy heating-vaporizer (1) and expansion valve (5) are sequentially connected with, it is connected between compressor (2) and expansion valve (5) after first condenser (3) is in parallel with the second condenser (4), forms the refrigerant circulation passage of two Guan Bis;Wherein, the cold-producing medium input of the first condenser (3) is connected to compressor (2) by the first valve (13), and the cold-producing medium outfan of the first condenser (3) is connected to expansion valve (5) through the second valve (14) and the 5th check-valves (30);The cold-producing medium input of the second condenser (4) is connected to compressor (2) by the 6th valve (18), and the cold-producing medium outfan of the second condenser (4) is connected to expansion valve (5) by the 7th valve (19) and the 6th check-valves (31);First condenser (3) water in heat storage water tank (6), the second condenser (4) is used for heating the water in phase transition heat accumulation unit (7), and phase transition heat accumulation unit is filled with phase-change material in (7);
The entrance being communicated to feed pipe (33) for water end (W.E.) by the first check-valves (26) and the 3rd valve (15) of hot water storage tank (6), the entrance being communicated to feed pipe (33) for water end (W.E.) by the 3rd check-valves (28) and the 8th valve (20) of phase transition heat accumulation unit (7), the outlet of feed pipe (33), to the water inlet of gasifier (8), feed pipe (33) sets gradually the 4th check-valves (29), the tenth valve (22), heat control valve (11) and auxiliary thermal source (10) along water (flow) direction;The outlet of gasifier (8) is respectively communicated to the backwater end of hot water storage tank (6) and the backwater end of phase transition heat accumulation unit (7) through circulating pump (12) and the 11st valve (23) successively, it is connected with the first bypass pipe (35) between the port of export and the heat control valve (11) of circulating pump (12), forms the water circulation channel of three Guan Bis;The water return pipeline of hot water storage tank (6) is provided with the 4th valve (16), the water return pipeline of phase transition heat accumulation unit (7) is provided with the 9th valve (21), the arrival end of circulating pump (12) connects has filling pipe (37), filling pipe (37) to be provided with the 12nd valve (24);
The LPG entrance of described gasifier (8) is communicated to the liquid-phase outlet of LPG steel cylinder group (9) by gas electromagnetic valve (32), and the LPG outlet of gasifier (8) and the gaseous phase outlet of LPG steel cylinder group (9) are respectively communicated to air supply pipe (36).
A kind of heat-storage solar-heat pump gasification Liquefied Petroleum Gas System, it is characterized in that, it is connected with the second bypass pipe (34) between confession water end (W.E.) and the backwater end of phase transition heat accumulation unit (7) of described hot water storage tank (6), second bypass pipe (34) is provided with the 5th valve (17) and the second check-valves (27), described 5th valve (17) controls the keying of the second bypass pipe (34), and the second check-valves (27) prevents water from flowing to the supply channel of hot water storage tank (6) from the water return pipeline of phase transition heat accumulation unit (7).
A kind of heat-storage solar-heat pump gasification Liquefied Petroleum Gas System, it is characterised in that described first condenser (3) is directly immersed in hot water storage tank (6);Described second condenser (4) is arranged in phase transition heat accumulation unit (7).
A kind of heat-storage solar-heat pump gasification Liquefied Petroleum Gas System, it is characterised in that described hot water storage tank (6) is pressure-bearing type attemperater;Described phase transition heat accumulation unit (7) is cylindrical, is packaged into the spherical inside that is evenly distributed on paraffin for phase-change material, and the space between the shell of accumulation of heat spheroid and phase transition heat accumulation unit (7) is filled with water.
A kind of heat-storage solar-heat pump gasification Liquefied Petroleum Gas System, it is characterised in that described auxiliary thermal source (10) is electric heater.
A kind of heat-storage solar-heat pump gasification Liquefied Petroleum Gas System, it is characterised in that described solar energy heating-vaporizer (1) is provided with intensity of solar radiation sensor;Described hot water storage tank (6) is provided with temperature sensor with the water temperature in detection hot water storage tank (6);Described phase transition heat accumulation unit (7) is provided with the temperature sensor water temperature with detection phase transition heat accumulation unit (7), is additionally provided with temperature sensor to detect the temperature of phase-change material;It is provided with temperature sensor between described tenth valve (22) and heat control valve (11) and enters the water temperature of heat control valve (11) with detection;Described air supply pipe (36) is provided with the pressure transducer outlet pressure with detection air supply pipe (36).
CN201620094413.5U 2016-01-29 2016-01-29 Heat accumulation solar thermal energy pump gasification liquefied petroleum gas system Expired - Fee Related CN205425500U (en)

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CN109253552A (en) * 2017-10-10 2019-01-22 珠海格力电器股份有限公司 System for heating water tank and swimming pool by using solar energy and linkage control method
CN109959041A (en) * 2019-04-17 2019-07-02 山东建筑大学 A kind of oil smoke heat recovery integrated system and method
CN111156696A (en) * 2020-01-08 2020-05-15 北京建筑大学 Solar instant heating heat pump water heater

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107449027A (en) * 2017-07-31 2017-12-08 西安交通大学 A kind of solar energy couples hot-water heating system with air source heat pump
CN109253552A (en) * 2017-10-10 2019-01-22 珠海格力电器股份有限公司 System for heating water tank and swimming pool by using solar energy and linkage control method
CN109959041A (en) * 2019-04-17 2019-07-02 山东建筑大学 A kind of oil smoke heat recovery integrated system and method
CN109959041B (en) * 2019-04-17 2023-10-10 山东建筑大学 Comprehensive system and method for recycling waste heat of oil smoke
CN111156696A (en) * 2020-01-08 2020-05-15 北京建筑大学 Solar instant heating heat pump water heater

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