CN110285572A - A kind of Gas-supplying enthalpy-increasing double-source heat pump water heater system - Google Patents
A kind of Gas-supplying enthalpy-increasing double-source heat pump water heater system Download PDFInfo
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- CN110285572A CN110285572A CN201910499805.8A CN201910499805A CN110285572A CN 110285572 A CN110285572 A CN 110285572A CN 201910499805 A CN201910499805 A CN 201910499805A CN 110285572 A CN110285572 A CN 110285572A
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- pipeline
- gas
- supplying enthalpy
- heat exchanger
- increasing
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H4/00—Fluid heaters characterised by the use of heat pumps
- F24H4/02—Water heaters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/20—Arrangement or mounting of control or safety devices
- F24H9/2007—Arrangement or mounting of control or safety devices for water heaters
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
The present invention announces a kind of Gas-supplying enthalpy-increasing double-source heat pump water heater system, and the double-source heat pump that solves the problems, such as commonly to connect is unable to reasonable distribution refrigerant flow, realizes the automatic distribution of supplying thermal condition low-pressure end refrigerant flow.Being additionally arranged an economizer in systems realizes the supercooling in hot end simultaneously, the gas phase in low pressure stage level-one evaporator in refrigerant stream has been extracted simultaneously, to enhance the heat transfer effect in secondary evaporimeter, the superiority of Gas-supplying enthalpy-increasing system has been played simultaneously, enhance the low temperature adaptability of the system, its use scope is expanded, and energy-efficient.System is added to a regenerator, and another step increases heat exchange, and the coefficient of performance is higher.
Description
Technical field
The present invention relates to a kind of novel Gas-supplying enthalpy-increasing double-source heat pump water heater systems, belong to solar energy, air-source, tonifying Qi increasing
Enthalpy art of heat pumps.
Background technique
Currently, solar energy, air-source double-source heat pump water heater system are there are two kinds of connection types of parallel connection and serial connection, it is in parallel
System has been more common in pertinent literature, and system is more mature, however building for train, there is a problem of more, assignment of traffic
Be unevenly to influence a big reason of its heat exchange property, and the presence of gas phase seriously presses down in the two-phase heat exchange of conventional evaporator
The coefficient of heat transfer of system is made, and there are heating performance decline, pressure ratio raising, efficiency in worst cold case for regular air source heat pump
The problem of deterioration, and Gas-supplying enthalpy-increasing technology can then solve the problems, such as it is this.Thus by Gas-supplying enthalpy-increasing technology and double-source heat pump water heater
System combines, and can solve the above problems.
Gas-supplying enthalpy-increasing Gas-supplying enthalpy-increasing compressor is the intermediate gas jet technique that throttled using two-stage, carries out gas-liquid point using flash vessel
From realization enthalpy-increasing effect.Edge injection combination cooling is compressed on side when it passes through mesolow, then normally compresses when high pressure, improves and mends
Gas enthalpy-increasing compressor capacity achievees the purpose that promote heating capacity under low temperature environment.In general domestic air source heat pump air-conditioning
In device use process, with the reduction of outdoor environment temperature when heat supply in winter, the heating load of air conditioner has apparent decaying, and
Air-conditioning Gas-supplying enthalpy-increasing compressor compression ratio under ultralow temperature operation will become larger, and cause delivery temperature constantly to increase, longtime running will
Security risk is constituted to unit.The operation frosting of heat pump low temperature and high relative humidity environment is fast, and normal working hours is short, and defrosting can be to room conditioning
Room is blown a cold wind over, and comfort is deteriorated.Therefore Gas-supplying enthalpy-increasing technology is proposed to improve the operating condition of system at low temperature.Tonifying Qi
The novel system that increasing enthalpy is made of Gas-supplying enthalpy-increasing Gas-supplying enthalpy-increasing compressor, Gas-supplying enthalpy-increasing technology, efficient subcooler, these three
The combination of technology can provide efficient performance.This is an organic whole, i.e., efficient Gas-supplying enthalpy-increasing Gas-supplying enthalpy-increasing compressor,
Economizer, the high-performance heat exchanger that efficient subcooler and electric expansion valve are formed together constitute energy-efficient air compensating system.
Gas-supplying enthalpy-increasing technology can effectively improve the heating capacity under system hypothermia operating condition, prevent Gas-supplying enthalpy-increasing compressor exhaust temperature
It is excessively high, guarantee the operation stability of Unit Low operating condition.
To clean the effective energy be one of the important means of the utilization of new energy resources advocated of country to solar energy as a kind of, and hot
It pumps winter low efficiency and needs additional defrosting power consumption.So if can be solar energy heating and generation technology and heat pump techniques
In conjunction with raising heat pump winter efficiency simultaneously stablizes system, then both having met requirement and one of the modern society to indoor thermal environment
Plant means of increasing income and decreasing expenditure.
Existing air-conditioning system object focuses mostly in enclosed space, and it is only utilized using the air-conditioning system of solar energy
Photo-thermal part, utilization efficiency is low, and system power consumption is big.
Therefore, photovoltaic and photothermal solar and Gas-supplying enthalpy-increasing technology are introduced heat pump system and realized and stablize height under bad working environments
Effect operation, designing the novel Gas-supplying enthalpy-increasing double-source heat pump water heater system of one kind, there is an urgent need to solve as those skilled in the art
Technical problem certainly.
Summary of the invention
The technical problem to be solved in the invention is that in view of the above shortcomings of the prior art, and it is double to provide a kind of Gas-supplying enthalpy-increasing
Source heat pump water heater system.
In order to solve the above technical problems, the technical solution adopted by the present invention is that:
A kind of Gas-supplying enthalpy-increasing double-source heat pump water heater system, including Gas-supplying enthalpy-increasing compressor, four-way reversing valve, gas-liquid separator,
First fluorine water plate heat exchanger, regenerator, the second fluorine water plate heat exchanger, economizer, air cooling fin coil heat exchanger, axis stream wind
Machine, the first pipeline, the second pipeline, third pipeline, the 4th pipeline, the 5th pipeline, the 6th pipeline, the 7th pipeline, the 8th pipeline, institute
Stating economizer includes import b, import c, import d, outlet a, outlet e, outlet f;The four-way reversing valve, the first fluorine water is board-like changes
Hot device, regenerator are successively set on the first pipeline, and one end of the first pipeline connects gas-liquid separator, second pipeline and the
One end of three pipelines is separately connected the other end of the first pipeline, the import b of the other end connection economizer of the second pipeline, third pipe
The import c of the other end connection economizer on road, the import d of one end connection economizer of the 4th pipeline, other end connection warp
The outlet f of Ji device, the second fluorine water plate heat exchanger are arranged on the 4th pipeline, and the 5th pipeline one end connects Gas-supplying enthalpy-increasing compression
Machine, the other end connect the outlet a of economizer, and Gas-supplying enthalpy-increasing compressor is located on the 6th pipeline, and the 6th pipeline one end connects gas-liquid
Separator, the other end connect four-way reversing valve, the four-way reversing valve piping connection regenerator, the air cooling fin coil heat exchange
Device is located on the 7th pipeline, and the 7th pipeline one end connects regenerator, and the other end connects the outlet e of economizer, the 8th pipeline
One end is connected to the 4th pipeline, and the other end is connected on the 7th pipeline between air cooling fin coil heat exchanger and economizer;Axis
Flow fan is located on the outside of air cooling fin coil heat exchanger.
Scheme as a further preference is provided with fluid reservoir and drier, fluid reservoir and drying on first pipeline
Device is between the first fluorine water plate heat exchanger and regenerator.
Scheme as a further preference is provided with throttle valve on second pipeline.
Scheme as a further preference is provided with the first electric expansion valve on the 4th pipeline.
Scheme as a further preference is provided with the first by-passing valve on the 5th pipeline.
Scheme as a further preference is provided with the second by-passing valve, third electric expansion valve on the 7th pipeline.
Scheme as a further preference is provided with the second electric expansion valve on the 8th pipeline.
Scheme as a further preference, is provided with the first return on the first fluorine water plate heat exchanger, and first
The first water pump and hot water storage tank are disposed on return.
Scheme as a further preference, is provided with second servo loop pipeline on the second fluorine water plate heat exchanger, and first
The second water pump and photovoltaic and photothermal plate are disposed on return.
Compared with prior art, the beneficial effects of the present invention are:
1. utilizing photovoltaic and photothermal plate, networking solves the energy consumption issues of power part in system.
2. utilizing economizer, the Gas-supplying enthalpy-increasing of system is realized, the low temperature applicability of system is improved.
3. utilizing economizer, the gas phase in refrigerant is purified, the heat exchange property of heat exchanger is improved.
4. utilizing Gas-supplying enthalpy-increasing technology, the power consumption of Gas-supplying enthalpy-increasing compressor is reduced.
5. utilizing economizer, refrigerant is subcooled, improves the coefficient of performance of system.
6. electric expansion valve is utilized, refrigerant flow in reasonable distribution heat exchanger improves the heat exchange of heat exchanger
Performance.
7. utilizing backheat gas, waste heat is recycled while having also improved the performance of system.
Detailed description of the invention
Fig. 1 is system schematic of the invention.
Specific embodiment
With reference to the accompanying drawings and detailed description, the present invention is furture elucidated, it should be understood that following specific embodiments are only
For illustrating the present invention rather than limiting the scope of the invention.
The principle of the invention is that system has used double evaporators structure, and the second fluorine water of photovoltaic and photothermal plate connection is board-like to be changed
Hot device 8 and air cooling fin coil heat exchanger 11, and joined the economizer 10 for being equivalent to gas-liquid separator between two evaporators,
It is added to a regenerator 7 in high pressure section simultaneously, so that high-low pressure gas phase is mutually exchanged heat and carries out recuperation of heat, while go out regenerator 7
The refrigerant of mouth is divided into two-way, enters economizer by throttle valve 18 all the way, and another way is divided after being directly entered the cooling of economizer 10
Two heat exchangers are separately connected for two-way, i.e., the second fluorine water plate heat exchanger 8 and air cooling fin disk being connected with photovoltaic and photothermal plate 9
Heat exchange of heat pipe 11.And second the outlet of fluorine water plate heat exchanger 8 be also connected with economizer 10, the gas after throttling and it is mixed
Gas-liquid separation after conjunction, gas phase enter Gas-supplying enthalpy-increasing Gas-supplying enthalpy-increasing compressor, and liquid phase and the two-phase gas for passing through electric expansion valve are mixed
Enter air cooling fin coil heat exchanger through electric expansion valve 20 after conjunction.
On first return, the first fluorine water plate heat exchanger 4, return water side is connected with the first water pump 14, and then access stores
The water inlet of boiler 13, water inlet side connect the water outlet of hot water storage tank 13.Fluorine side one terminates four-way reversing valve 2, another termination storage
Flow container 5.
On second servo loop pipeline, the second fluorine water plate heat exchanger 8, water inlet side connects the second water pump 15, then connects photovoltaic and photothermal
Plate 9, water outlet flank 9 other side of photovoltaic and photothermal plate.
The high temperature side one of regenerator 7 terminates liquid storage device 5, a termination throttle valve 18, and low temperature side one terminates four-way reversing valve 2,
The other end is given a dinner for a visitor from afar cold finned coil heat exchanger 11;Refrigerant pipe road is equipped with throttle valve 18 and is used for and economizer d end entrance low pressure
Two-phase gas mixing, which is extracted gas phase jointly and entered in Gas-supplying enthalpy-increasing Gas-supplying enthalpy-increasing compressor 1, undertakes medium pressure gas role;Refrigerant
Pipeline is equipped with regenerator 7 and exchange heat between high-low pressure gas, improves coefficient of performance.
It is respectively b, c, d that the import that economizer 10 is described economizer, which has 3, and it is respectively a, e, f that outlet, which has 3,.The end import b
It connects throttle valve and connects regenerator 7, import d terminates the second fluorine water plate heat exchanger 8, and the end import c also connects regenerator 7.A termination is exported to mend
Gas enthalpy-increasing compressor Gas-supplying enthalpy-increasing mouth 1, outlet e termination throttle valve 20 are given a dinner for a visitor from afar cold finned coil heat exchanger 11, outlet f termination first
Electric expansion valve 16.
Electric energy needed for first water pump 14, the second water pump 15 and axial flow blower 12 is by grid-connected neutralization.
Hot water storage tank 13, accumulation of heat water in heating condition, hot water, which can be used for living, also can be used for fan coil and floor heating end.
Refrigerant pipe road is equipped with the first electric expansion valve 16 and the second electric expansion valve 17, enters the second fluorine for adjusting
Refrigerant flow in water plate heat exchanger 8 and air cooling fin coil heat exchanger 11, makes full use of heat exchange area, puts system suction
Heat is more abundant.
Throttle valve 18 makes it into for reducing the pressure of condensator outlet refrigerant in economizer 10 and from the second fluorine water
Low-pressure gas mixing in plate heat exchanger 8, then separates liquid phase, while improving into Gas-supplying enthalpy-increasing Gas-supplying enthalpy-increasing compressor
1 gas pressure.
When summer operating mode, throttle valve 18 on Gas-supplying enthalpy-increasing pipeline, the first by-passing valve 19 is closed, the first electric expansion valve 16,
Second electric expansion valve 17, the second by-passing valve 21, axial flow blower 12, the first water pump 14, the second water pump 15 are opened, high temperature and pressure
Refrigerant vapour is from Gas-supplying enthalpy-increasing compressor outlet, will be hot into the first fluorine water plate heat exchanger 4 after four-way reversing valve 2
Amount is transmitted in hot water storage tank, then successively passes through fluid reservoir 5, drier 6, in regenerator 7 and from air cooling fin coil heat exchanger
The 11 low-temperature low-pressure refrigerant steam heat-exchangings come out, then successively pass through economizer 10, and the throttling of the first electric expansion valve 16 enters
The heat gasification in photovoltaic and photothermal plate 9 is absorbed in second fluorine water plate heat exchanger 8, is then throttled with through the second electric expansion valve 17
Two phase refrigerant afterwards is converged further to be gasified in air cooling fin coil heat exchanger 11 by the second by-passing valve 21, and after pass through back
Hot device 7, four-way reversing valve 2, gas-liquid separator 3 return to Gas-supplying enthalpy-increasing compressor.
When winter condition, throttle valve 18 on Gas-supplying enthalpy-increasing pipeline, the first by-passing valve 19, the first electric expansion valve 16, second
Electric expansion valve 17, third electric expansion valve 20, axial flow blower 12, the first water pump 14, the second water pump 15 are opened, and high temperature is high at this time
The refrigerant vapour of pressure is from Gas-supplying enthalpy-increasing compressor outlet, after four-way reversing valve 2, into the first fluorine water plate heat exchanger 4
Heat is transmitted in hot water storage tank, fluid reservoir 5 is then successively passed through, drier 6 is changed with from air cooling fin coil pipe in regenerator 7
Hot device 11 come out low-temperature low-pressure refrigerant steam heat-exchanging, then all the way through throttle valve 18 enter economizer 10, pass through all the way through
The device 10 that helps is subcooled, and is divided into two-way after this road, passes through the first electric expansion valve 16 all the way, into the second fluorine water plate heat exchanger 8,
Enter economizer 10 and the two-phase working substance gas-liquid mixture point by throttle valve 18 after absorbing the heat gasification in photovoltaic and photothermal plate 9
From gaseous state is by the first by-passing valve 19 into the realization tonifying Qi of Gas-supplying enthalpy-increasing compressor, liquid and by the second electric expansion valve 17
Two-phase working substance mixing through third electric expansion valve 20 throttling after enter air-cooled finned coil heat exchanger 11, then pass through backheat gas
7, gas-liquid separator 3 returns to Gas-supplying enthalpy-increasing compressor 1, moves in circles.
A kind of novel Gas-supplying enthalpy-increasing double-source heat pump water heater system disclosed by the invention provides electric energy using solar energy and mentions
Supplying heat source, adding economizer in systems reduces the input work of system using Gas-supplying enthalpy-increasing technology, while making condensator outlet system
Cryogen supercooling makes the two phase refrigerant gas-liquid separation by fluorine water plate heat exchanger using gas-liquid separation technology, improves under entering
The ingredient of liquid phase in the refrigerant of one air cooling fin coil heat exchanger, and then improve the heat exchange property of heat exchanger.Warp knuckle simultaneously
It is purified after stream into the middle pressure two phase refrigerant of economizer and the low pressure two-phase gas mixing entered in economizer, ensure that middle pressure
The pressure of gas improves the stability of Gas-supplying enthalpy-increasing Gas-supplying enthalpy-increasing compressor.Entered using two electronic expansion valve controls
The refrigerant flow of the double evaporators of low pressure stage takes full advantage of the heat exchange area of heat exchanger, improves the low-temperature adaptation of system
Property.
Above-described specific embodiment has carried out further in detail the purpose of the present invention, technical scheme and beneficial effects
Illustrate, it should be understood that be not intended to restrict the invention the foregoing is merely a specific embodiment of the invention, it is all
Within the spirit and principles in the present invention, any modification, equivalent substitution, improvement and etc. done should be included in guarantor of the invention
Within the scope of shield.
Claims (9)
1. a kind of Gas-supplying enthalpy-increasing double-source heat pump water heater system, it is characterised in that: changed including Gas-supplying enthalpy-increasing compressor (1), four-way
To valve (2), gas-liquid separator (3), the first fluorine water plate heat exchanger (4), regenerator (7), the second fluorine water plate heat exchanger (8),
Economizer (10), air cooling fin coil heat exchanger (11), axial flow blower (12), the first pipeline (22), the second pipeline (23), third
Pipeline (24), the 4th pipeline (25), the 5th pipeline (26), the 6th pipeline (27), the 7th pipeline (28), the 8th pipeline (29), institute
Stating economizer (10) includes import b, import c, import d, outlet a, outlet e, outlet f;The four-way reversing valve (2), the first fluorine
Water plate heat exchanger (4), regenerator (7) are successively set on the first pipeline (22), and one end of the first pipeline (22) connects gas-liquid
One end of separator (3), second pipeline (23) and third pipeline (24) is separately connected the other end of the first pipeline (22), the
The import b of other end connection economizer (10) of two pipelines (23), other end connection economizer (10) of third pipeline (24)
Import c, the import d of one end connection economizer (10) of the 4th pipeline (25), the other end connect the outlet of economizer (10)
F, the second fluorine water plate heat exchanger (8) are arranged on the 4th pipeline (25), and the 5th pipeline (26) one end connects Gas-supplying enthalpy-increasing compression
Machine (1), the other end connect the outlet a of economizer (10), and Gas-supplying enthalpy-increasing compressor (1) is located on the 6th pipeline (27), the 6th pipe
Road (27) one end connects gas-liquid separator (3), and the other end connects four-way reversing valve (2), four-way reversing valve (2) piping connection
Regenerator (7), the air cooling fin coil heat exchanger (11) are located on the 7th pipeline (28), and the 7th pipeline (28) one end connects back to
Hot device (7), the other end connect the outlet e of economizer (10), and described 8th pipeline (29) one end is connected to the 4th pipeline (25), separately
One end is connected on the 7th pipeline (28) between air cooling fin coil heat exchanger (11) and economizer (10);Axial flow blower (12)
On the outside of air cooling fin coil heat exchanger (11).
2. a kind of Gas-supplying enthalpy-increasing double-source heat pump water heater system according to claim 1, it is characterised in that: first pipe
Fluid reservoir (5) and drier (6) are provided on road (22), fluid reservoir (5) and drier (6) are located at the first fluorine water plate heat exchanger
(4) between regenerator (7).
3. a kind of Gas-supplying enthalpy-increasing double-source heat pump water heater system according to claim 1, it is characterised in that: second pipe
Throttle valve (18) are provided on road (23).
4. a kind of Gas-supplying enthalpy-increasing double-source heat pump water heater system according to claim 1, it is characterised in that: the 4th pipe
The first electric expansion valve (16) are provided on road (25).
5. a kind of Gas-supplying enthalpy-increasing double-source heat pump water heater system according to claim 1, it is characterised in that: the 5th pipe
The first by-passing valve (19) are provided on road (26).
6. a kind of Gas-supplying enthalpy-increasing double-source heat pump water heater system according to claim 1, it is characterised in that: the 7th pipe
It is provided on road (28) the second by-passing valve (21), third electric expansion valve (20).
7. a kind of Gas-supplying enthalpy-increasing double-source heat pump water heater system according to claim 1, it is characterised in that: the 8th pipe
The second electric expansion valve (17) are provided on road (29).
8. a kind of Gas-supplying enthalpy-increasing double-source heat pump water heater system according to claim 1, it is characterised in that: first fluorine
It is provided with the first return on water plate heat exchanger (4), the first water pump (14) is disposed on the first return and stores
Boiler (13).
9. a kind of Gas-supplying enthalpy-increasing double-source heat pump water heater system according to claim 1, it is characterised in that: second fluorine
It is provided with second servo loop pipeline on water plate heat exchanger (8), the second water pump (15) and light are disposed on the first return
It lies prostrate photo-thermal plate (9).
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CN201910499805.8A CN110285572B (en) | 2019-06-11 | 2019-06-11 | Air-supplying and enthalpy-increasing double-source heat pump water heater system |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN115234963A (en) * | 2022-06-28 | 2022-10-25 | 浙江中广电器集团股份有限公司 | EVI heat pump trigeminy supplies system |
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