CN106546029A - A kind of low-temperature enthalpy-increasing system and its method of work - Google Patents
A kind of low-temperature enthalpy-increasing system and its method of work Download PDFInfo
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- CN106546029A CN106546029A CN201610945968.0A CN201610945968A CN106546029A CN 106546029 A CN106546029 A CN 106546029A CN 201610945968 A CN201610945968 A CN 201610945968A CN 106546029 A CN106546029 A CN 106546029A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B13/00—Compression machines, plants or systems, with reversible cycle
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/30—Expansion means; Dispositions thereof
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B43/00—Arrangements for separating or purifying gases or liquids; Arrangements for vaporising the residuum of liquid refrigerant, e.g. by heat
Abstract
The invention discloses a kind of low-temperature enthalpy-increasing system and its method of work, increasing enthalpy system includes compressor, cross valve, condenser, throttle part, increasing enthalpy heat exchanger assembly and gas-liquid separator, wherein, the increasing enthalpy heat exchanger assembly is divided into first area and second area, the first area is provided with several heat exchangers, the second area is provided with several heat exchangers, and the heat exchanger of first area is all connected with the heat exchanger of second area, and the cross valve is provided with tetra- interfaces of C, D, E, S.The present invention improves low-temperature enthalpy-increasing system coolant evaporating completely as far as possible in the increasing enthalpy heat exchanger assembly, improve the circulating load of system coolant, system is made normally to run at low ambient temperatures, increasing enthalpy heat exchanger assembly is made up of multiple heat exchangers simultaneously, each heat exchanger can be used to absorb a kind of thermal source or while absorbing same thermal source, so as to realize that multi-heat source is heated, the heating capacity of system is also improved.
Description
Technical field
The present invention relates to technical field of air-conditioning heat pumps, more particularly, to a kind of low-temperature enthalpy-increasing system and its method of work.
Background technology
With requirement more and more higher of the people to living standard, air-source water heater occurs therewith, especially in recent years, empty
The market fast development of gas energy water heater, a band particularly on the south the Changjiang river（Such as Guangdong, Guangxi, Fujian, Hunan, Zhejiang etc.
Ground）, but due to the impact of ambient temperature, air-source water heater using effect where North of Yangtze River is not good（When running into ring temperature
During environment less than -20 DEG C, the Energy Efficiency Ratio of air energy heat pump is very low, can low-voltage variation when some products are run at low ambient temperatures
Or aerofluxuss are protected, unit normally cannot run）, therefore air-source water heater utilization rate where North of Yangtze River is relatively low, big portion
Place not even sale is divided to use air-source water heater.
But as energy-saving and emission-reduction and coal change the enforcement of the national policies such as the planning of electricity, many related air-conditionings, the enterprise of heat pump
Numerous and confused active response, actively research and development release the hot pump in low temp product that can be used in the north；And existing hot pump in low temp product is by increasing
Condensator outlet coolant is divided into two by enthalpy technology, and branch road coolant absorbs primary flow path coolant waste heat and carrys out increasing enthalpy, so as to increase low temperature
Increasing enthalpy system refrigerant circulation, improves delivery temperature.But this increasing enthalpy technology will reduce stream to the coolant quantity of outdoor evaporator,
And with the reduction of ambient temperature, system increasing enthalpy stream cold medium flux is stepped up, therefore stream can be caused cold to outdoor evaporator
Matchmaker's amount is gradually reduced, and the heat of low-temperature enthalpy-increasing Systemic absorption heat source side tails off, and affects unit efficiency.
The content of the invention
For the deficiencies in the prior art, it is an object of the invention to a kind of high energy efficiency ratio, can be reliable steady at low ambient temperatures
The low-temperature enthalpy-increasing system and its method of work of fixed operation.
For achieving the above object, the scheme of present invention offer is：A kind of low-temperature enthalpy-increasing system, including compressor, cross valve,
Condenser, throttle part, increasing enthalpy heat exchanger assembly and gas-liquid separator, wherein, the increasing enthalpy heat exchanger assembly is divided into the firstth area
Domain and second area, the first area are provided with several heat exchangers, and the second area is provided with several heat exchangers, and first
The heat exchanger in region is all connected with the heat exchanger of second area, and the cross valve is provided with tetra- interfaces of C, D, E, S；
The compressor connects the interface D of the cross valve, and the interface C of the cross valve connects the condenser, condenser connection
The throttle part, throttle part connect the heat exchanger of the first area, the heat exchanger connection described four of the second area
The interface E of port valve, the interface S of the cross valve connect the gas-liquid separator, and the gas-liquid separator connects the compressor, are formed
Low-temperature enthalpy-increasing system.
Preferred version one, each heat exchanger of the second area include the first heat exchanger tube and the second heat exchanger tube, described
First heat exchanger tube is provided with a and two interfaces of b, and second heat exchanger tube is provided with c and two interfaces of d；The compressor connects the four-way
The interface D of valve, the interface C connections condenser of the cross valve, the interface a of condenser connection first heat exchanger tube, first
The interface b of heat exchanger tube connects the throttle part, and throttle part connects the heat exchanger of the first area, the heat exchange of first area
Device connects the interface c of second heat exchanger tube, and the interface d of the second heat exchanger tube connects the interface E of the cross valve, the cross valve
Interface S connects the gas-liquid separator, and the gas-liquid separator connects the compressor.
Preferred version two, each heat exchanger of the second area include the first heat exchanger tube and the second heat exchanger tube, described
First heat exchanger tube is provided with a and two interfaces of b, and second heat exchanger tube is provided with c and two interfaces of d；The compressor connects the four-way
The interface D of valve, the interface C of the cross valve connect the condenser, and condenser connects the throttle part, throttle part connection institute
The heat exchanger of first area is stated, the heat exchanger of first area connects the interface b of first heat exchanger tube, second heat exchanger tube
Interface c connects auxiliary heat pipe for auxiliary heat is discharged in the second heat exchanger tube from interface c, the interface d connection heat exhausting pipes of the second heat exchanger tube
For the auxiliary heat of the second heat exchanger tube is discharged in heat exhausting pipe from interface d, the interface a of the first heat exchanger tube connects connecing for the cross valve
Mouth E, the interface S of the cross valve connect the gas-liquid separator, and the gas-liquid separator connects described compressor.
Preferred version three, each heat exchanger of the second area include the 3rd heat exchanger tube with heat exchange groove, the heat exchange
Auxiliary heat is placed with groove, the 3rd heat exchanger tube is immersed in the auxiliary heat of heat exchange groove；The compressor connects the cross valve
Interface D, the interface C of the cross valve connect the condenser, and condenser connects the throttle part, throttle part connection described the
The heat exchanger in one region, the heat exchanger of first area connect the 3rd heat exchanger tube, the heat exchange groove connect respectively auxiliary heat pipe with
For auxiliary heat to be discharged in heat exchange groove and be drained by heat exhausting pipe, the 3rd heat exchanger tube connects connecing for the cross valve to heat exhausting pipe
Mouth E, the interface S of the cross valve connect the gas-liquid separator, and the gas-liquid separator connects described compressor.
The present invention also provides the method for work of preferred version one, after low-temperature enthalpy-increasing system is started, the coolant of High Temperature High Pressure
Flow out and flow to the interface D of the cross valve from the compressor, then flow out from the interface C of the cross valve, cocurrent is to described cold
Condenser carries out heat release cooling, the interface a of the coolant stream after heat release cooling to first heat exchanger tube, from connecing for first heat exchanger tube
Mouth b flows to the throttle part and is throttled, and the coolant after throttling flows to the heat exchanger of the first area, and coolant absorbs first
The heat of vaporization of area heat source, the coolant of evaporation of not yet absorbing heat flow to the interface c of second heat exchanger tube, and coolant is in the second heat exchange
The coolant waste heat absorbed in pipe in the first heat exchanger tube is evaporated, and the coolant after heat absorption evaporation is flowed from the interface d of the second heat exchanger tube
Go out, and flow to the interface E of the cross valve, then flow out from the interface S of the cross valve, and flow through the gas-liquid separator and flow back to institute
Compressor is stated, the utilization waste heat of condensation enthalpy-increasing function of low-temperature enthalpy-increasing system is completed.
The present invention also provides the method for work of preferred version two, and after low-temperature enthalpy-increasing system is started, auxiliary heat is from auxiliary heat pipe stream
To second heat exchanger tube interface c and enter the second heat exchanger tube, then flow out cocurrent to heat exhausting pipe from the interface d of the second heat exchanger tube
Inside drain, now the coolant of High Temperature High Pressure flows out from the compressor and flows to the interface D of the cross valve, then from the cross valve
Interface C flow out, cocurrent to the condenser carries out heat release cooling, and the coolant stream after heat release is lowered the temperature is carried out to the throttle part
Throttling, the coolant after throttling flow to the heat exchanger of the first area and absorb the heat of vaporization of first area thermal source, not yet inhale
The coolant of thermal evaporation flows to the interface b of first heat exchanger tube and enters in the first heat exchanger tube, and is absorbed in the first heat exchanger tube
Auxiliary heat in second heat exchanger tube is evaporated, and the coolant after heat absorption evaporation is flowed out from the interface a of the first heat exchanger tube, and is flowed to
The interface E of the cross valve, then flow out from the interface S of the cross valve, and flow through the gas-liquid separator and flow back to the compressor,
Complete the auxiliary thermal convection current heat exchange enthalpy-increasing function of utilization of low-temperature enthalpy-increasing system.
The present invention also provides the method for work of preferred version three, and after low-temperature enthalpy-increasing system is started, auxiliary heat is from auxiliary heat pipe stream
To in the heat exchange groove, then from being drained auxiliary heat by heat exhausting pipe, now the coolant of High Temperature High Pressure is flowed out simultaneously from the compressor
The interface D of the cross valve is flowed to, then is flowed out from the interface C of the cross valve, cocurrent carries out heat release cooling to the condenser, puts
Coolant stream after heat drop temperature is throttled to the throttle part, and the coolant after throttling flows to the heat exchanger of the first area simultaneously
Absorb the heat of vaporization of first area thermal source, the coolant stream of evaporation of not yet absorbing heat in the 3rd heat exchanger tube, and in heat exchanger tube
The interior auxiliary heat absorbed in the heat exchange groove is evaporated, and the coolant after heat absorption evaporation flows to the interface E of the cross valve, then
Flow out from the interface S of the cross valve, and flow through the gas-liquid separator and flow back to the compressor, complete the profit of low-temperature enthalpy-increasing system
With auxiliary heat soaking heat exchange enthalpy-increasing function.
This programme has the beneficial effect that：1st, low-temperature enthalpy-increasing system refrigerant circulation, this programme increasing enthalpy heat exchanger assembly are improved
It is made up of multiple heat exchangers, the system coolant of making absorbs heat evaporation as far as possible, improves low-temperature enthalpy-increasing system refrigerant circulation；2nd, improve
Heating capacity, this programme are connected with each other with second area heat exchanger by first area heat exchanger, and system coolant all flows through heat exchange
Device carries out repeatedly heat absorption evaporation, so as to improve heat-exchange system heating capacity and Energy Efficiency Ratio；3rd, it is stable under low temperature environment, this programme
Low-temperature enthalpy-increasing heat exchanger assembly is provided with, in the increasing enthalpy heat exchanger assembly, is also associated with making coolant continue heat absorption after a heat exchanger
Another heat exchanger of evaporation, makes system coolant evaporating completely as far as possible in the increasing enthalpy heat exchanger assembly, improves system coolant
Circulating load, system is normally run at low ambient temperatures；4th, multi-heat source is heated, and the increasing enthalpy heat exchanger assembly of this programme is by multiple
Heat exchanger is constituted, and each heat exchanger can be used to absorb a kind of thermal source or while absorb same thermal source, so as to realize that multi-heat source is heated.
Description of the drawings
Fig. 1 is the schematic diagram of the present invention.
Fig. 2 is the fundamental diagram of the present invention.
Fig. 3 is the utilization waste heat of condensation enthalpy-increasing function schematic diagram of the present invention.
Fig. 4 is the auxiliary thermal convection current heat exchange enthalpy-increasing function schematic diagram of utilization of the present invention.
Fig. 5 is the auxiliary heat soaking heat exchange enthalpy-increasing function schematic diagram of utilization of the present invention.
Wherein, 1 is compressor, and 2 is cross valve, and 3 is condenser, and 4 is throttle part, and 5 is increasing enthalpy heat exchanger assembly, and 51 are
First area, 52 is second area, and 521 is the first heat exchanger tube, and 522 is the second heat exchanger tube, and 523 is the 3rd heat exchanger tube, and 524 is to change
Heat channel, 6 is gas-liquid separator.
Specific embodiment
With reference to specific embodiment, the invention will be further described：
Referring to accompanying drawing 1, a kind of low-temperature enthalpy-increasing system and its method of work, and low-temperature enthalpy-increasing system include compressor 1, cross valve 2,
Condenser 3, throttle part 4, increasing enthalpy heat exchanger assembly 5 and gas-liquid separator 6, wherein, 5 points of increasing enthalpy heat exchanger assembly is the firstth area
Domain 51 and second area 52, first area 51 are provided with several heat exchangers, and second area 52 is provided with several heat exchangers, and first
The heat exchanger in region 51 is all connected with the heat exchanger of second area 52, and cross valve 2 is provided with tetra- interfaces of C, D, E, S.
To the annexation of this present embodiment low-temperature enthalpy-increasing system it is：Compressor 1 connects the interface D of cross valve 2, the four-way
The interface C connection condensers 3 of valve 2, the connection throttle part 4 of condenser 3, throttle part 4 connect the heat exchanger of first area 51, the
The heat exchanger in two regions 52 connects the interface E of cross valve 2, the interface S connection gas-liquid separators 6 of the cross valve 2, the gas-liquid separation
Device 6 connects compressor 1.
Referring to accompanying drawing 2, it is seen that the method for work of low-temperature enthalpy-increasing system, it is：The coolant of High Temperature High Pressure is flowed out simultaneously from compressor 1
The interface D of cross valve 2 is flowed to, then is flowed out from the interface C of the cross valve 2, cocurrent to condenser 3 carries out heat release cooling, heat release drop
Coolant stream after temperature is throttled to throttle part 4, and the coolant after throttling flows to the heat exchanger of first area 51 and absorbs first
The heat of vaporization of 51 thermal source of region, the coolant of evaporation of not yet absorbing heat flow to second area 52 and absorb the heat of 52 thermal source of second area
Amount evaporation, the coolant after heat absorption evaporation flow to the interface E of cross valve 2, then flow out from the interface S of the cross valve 2, and flow through gas-liquid
Separator 6 flows back to compressor 1.
If the heat exchanger of first area 51 is left and right arrangement with the heat exchanger of second area 52, coolant is from increasing enthalpy heat exchanger
The left side of assembly 54 enters increasing enthalpy heat exchanger assembly 5, flows out from the right side of increasing enthalpy heat exchanger assembly 54；If first area 51 is changed
Hot device is to arrange up and down with the heat exchanger of second area 5242, then coolant enters this enforcement from the upside of increasing enthalpy heat exchanger assembly 5
The heat exchanger assembly of example, flows out from the downside of increasing enthalpy heat exchanger assembly 5；If the heat exchanger of first area 51 and second area 52
To arrange in front and back, then coolant enters the heat exchanger assembly of the present embodiment from the front side of increasing enthalpy heat exchanger assembly 5 to heat exchanger, from increasing enthalpy
The rear side of heat exchanger assembly 5 flows out.
Coolant can pass through single stream or many streams flow into arbitrary heat exchanger of first area 51 and second area 52, tool
A style such as wherein heat exchanger of first area 51 is connected in series with a wherein heat exchanger of second area 52；First area 51
Wherein two heat exchangers be connected in parallel with each other, and two heat exchangers connect a wherein heat exchanger of second area 52 jointly.
By the structure for changing the heat exchanger of heat exchanger and the second area 52 of first area 51, also can again by changing the
The heat exchanger in one region 51 and the heat exchanger connected mode of second area 52, make the low-temperature enthalpy-increasing system of the present embodiment have difference
Function.
The invention will be further described to have listed three kinds of preferred embodiments to this in the present embodiment；
Embodiment one：Referring to accompanying drawing 3, each heat exchanger of second area 52 includes the first heat exchanger tube 521 and the second heat exchanger tube
522, the first heat exchanger tube 521 is provided with a and two interfaces of b, and the second heat exchanger tube 522 is provided with c and two interfaces of d.
And the low-temperature enthalpy-increasing system annexation of the present embodiment one is as follows：Compressor 1 connects the interface D of cross valve 2, and this four
The interface C connection condensers 3 of port valve 2, condenser 3 connect the interface a, the interface b of the first heat exchanger tube 521 of the first heat exchanger tube 521
Connection throttle part 4, throttle part 4 connect the heat exchanger of first area 51, and the heat exchanger connection second of first area 51 exchanges heat
The interface c of pipe 522, the interface d of the second heat exchanger tube 522 connect the interface E of cross valve 2, the interface S connection gas-liquids of the cross valve 2
Separator 6, the gas-liquid separator 6 connect compressor 1.The present embodiment one is only that the part connection for enumerating low-temperature enthalpy-increasing system is closed
System.
Low-temperature enthalpy-increasing system is made to have using waste heat of condensation enthalpy-increasing function by above-mentioned connection, and the method for work of the function
For：
After low-temperature enthalpy-increasing system is started, the coolant of High Temperature High Pressure flows out and flows to the interface D of cross valve 2 from compressor 1, then from
The interface C of the cross valve 2 flows out, and cocurrent to condenser 3 carries out heat release cooling, and the coolant stream after heat release cooling is to the first heat exchanger tube
521 interface a, flows to throttle part 4 from the interface b of first heat exchanger tube 521 and is throttled, and the coolant after throttling flows to first
The heat exchanger in region 51, coolant absorb the heat of vaporization of 51 thermal source of first area, and the coolant of evaporation of not yet absorbing heat flows to second and changes
The interface c of heat pipe 522, coolant in the second heat exchanger tube 522 absorb the coolant waste heat in the first heat exchanger tube 521 and are evaporated, and inhale
Coolant after thermal evaporation is flowed out from the interface d of the second heat exchanger tube 522, and flows to the interface E of cross valve 2, then from the cross valve 2
Interface S flows out, and flows through gas-liquid separator 6 and flow back to compressor 1, completes the utilization waste heat of condensation increasing enthalpy work(of low-temperature enthalpy-increasing system
Energy.
Embodiment two：Referring to accompanying drawing 4, each heat exchanger of second area 52 is changed with second including the first heat exchanger tube 521
Heat pipe 522, the first heat exchanger tube 521 are provided with a and two interfaces of b, and the second heat exchanger tube 522 is provided with c and two interfaces of d.
And the low-temperature enthalpy-increasing system annexation of the present embodiment two is as follows：Compressor 1 connects the interface D of cross valve 2, and this four
The interface C connection condensers 3 of port valve 2, the connection throttle part 4 of condenser 3, throttle part 4 connect the heat exchanger of first area 51,
The heat exchanger of first area 51 connects the interface b of the first heat exchanger tube 521, and the interface c of the second heat exchanger tube 522 connects auxiliary heat pipe to be used for
Auxiliary heat is discharged in the second heat exchanger tube 522 from interface c, the interface d of the second heat exchanger tube 522 connects heat exhausting pipe for second is exchanged heat
The auxiliary heat of pipe 522 is discharged in heat exhausting pipe from interface d, and the interface a of the first heat exchanger tube 521 connects the interface E of cross valve 2, the four-way
The interface S connection gas-liquid separators 6 of valve 2, the gas-liquid separator 6 connect compressor 1.The present embodiment two simply enumerates low-temperature enthalpy-increasing
The part annexation of system.
Low-temperature enthalpy-increasing system is made to have using auxiliary thermal convection current heat exchange enthalpy-increasing function by above-mentioned connection, and the work of the function
Method is：
After low-temperature enthalpy-increasing system is started, auxiliary heat is from auxiliary heat pipe stream to the interface c of the second heat exchanger tube 522 and enters the second heat exchanger tube
522, then drain in heat exhausting pipe from the interface d outflows cocurrent of the second heat exchanger tube 522, now the coolant of High Temperature High Pressure is from compressor
The 1 interface D for flowing out and flowing to cross valve 2, then flow out from the interface C of the cross valve 2, cocurrent carries out heat release cooling to condenser 3,
Coolant stream after heat release cooling is throttled to throttle part 4, and the coolant after throttling flows to the heat exchanger of first area 51 and inhales
The heat of vaporization of 51 thermal source of first area is received, the coolant of evaporation of not yet absorbing heat flows to the interface b of the first heat exchanger tube 521 and enters first
In heat exchanger tube 521, and the auxiliary heat being absorbed in the second heat exchanger tube 522 in the first heat exchanger tube 521 is evaporated, and heat absorption is steamed
Coolant after sending out is flowed out from the interface a of the first heat exchanger tube 521, and flows to the interface E of cross valve 2, then from the interface of the cross valve 2
S flows out, and flows through gas-liquid separator 6 and flow back to compressor 1, and the auxiliary thermal convection current of utilization for completing low-temperature enthalpy-increasing system exchanges heat increasing enthalpy work(
Energy.
Embodiment three：Referring to accompanying drawing 5, each heat exchanger of second area 52 is including the 3rd heat exchanger tube 523 and heat exchange groove
524, auxiliary heat is placed with heat exchange groove 524, the 3rd heat exchanger tube 523 is immersed in the auxiliary heat of heat exchange groove 524.
And the low-temperature enthalpy-increasing system annexation of the present embodiment three is as follows：Compressor 1 connects the interface D of cross valve 2, and this four
The interface C connection condensers 3 of port valve 2, the connection throttle part 4 of condenser 3, throttle part 4 connect the heat exchanger of first area 51,
The heat exchanger of first area 51 connects the 3rd heat exchanger tube 523, and heat exchange groove 524 connects auxiliary heat pipe and heat exhausting pipe respectively for by auxiliary heat
It is discharged in heat exchange groove 524 and is drained by heat exhausting pipe, the 3rd heat exchanger tube 523 connects the interface E of cross valve 2, the cross valve 2 connects
Mouth S connection gas-liquid separators 6, the gas-liquid separator 6 connect compressor 1.The present embodiment three simply enumerates low-temperature enthalpy-increasing system
Part annexation.
Low-temperature enthalpy-increasing system is made to have using auxiliary heat soaking heat exchange enthalpy-increasing function by above-mentioned connection, and the work of the function
Method is：
When start low-temperature enthalpy-increasing system after, it is auxiliary heat from auxiliary heat pipe stream to heat exchange groove 524 in, then from by heat exhausting pipe by it is auxiliary heat arrange
Walk, now the coolant of High Temperature High Pressure flows out and flow to the interface D of cross valve 2 from compressor 1, then flows from the interface C of the cross valve 2
Go out, cocurrent to condenser 3 carries out heat release cooling, and the coolant stream after heat release cooling is throttled to throttle part 4, cold after throttling
Matchmaker flows to the heat exchanger of first area 51 and absorbs the heat of vaporization of 51 thermal source of first area, and the coolant stream of evaporation of not yet absorbing heat is arrived
In 3rd heat exchanger tube 523, and the auxiliary heat in absorption heat-exchange groove 524 in heat exchanger tube is evaporated, cold after heat absorption evaporation
Matchmaker flows to the interface E of cross valve 2, then flows out from the interface S of the cross valve 2, and flows through gas-liquid separator 6 and flow back to compressor 1, complete
Into the auxiliary heat soaking heat exchange enthalpy-increasing function of utilization of low-temperature enthalpy-increasing system.
The principle of work and power of the present embodiment is：
Multi-heat source heats principle, and increasing enthalpy heat exchanger assembly 5 is made up of multiple heat exchangers, and each heat exchanger can absorb a kind of thermal source,
So as to realize multi-heat source heat-production functions.
Increasing enthalpy principle, the multiple heat exchangers for constituting increasing enthalpy heat exchanger assembly 5 are connected with each other, under low temperature environment, coolant Jing its
The arbitrary heat exchanger flowed in second area 52 after arbitrary heat exchanger heat absorption evaporation in middle first area 51 then absorbs heat evaporation,
More heats, the system coolant of making evaporating completely as far as possible are provided for coolant heat absorption evaporation, it is to avoid by between traditional heat exchangers
Distributary phenomenon and the pipeline that causes to connect between the heat exchanger of part is arranged at low ambient temperatures, slow down the flowing velocity of coolant,
Ensure that the flowing velocity of coolant in pipeline is normal, heat exchanger assembly normally can be heated at low ambient temperatures, improve low
Warm increasing enthalpy system refrigerant circulation, realizes enthalpy-increasing function.
Above are only part composition form, function that the present invention illustrates low-temperature enthalpy-increasing system and increasing enthalpy heat exchanger assembly 5
Principle and function are implemented, and are not limited to the change of structure, stream, heat exchanger quantity and variety of energy sources, every with common profit of the invention
Absorb one or more thermal source to increase the methods of low-temperature enthalpy-increasing system refrigerant evaporation amount with one or more heat exchangers,
In the protection domain of the application.
Claims (7)
1. a kind of low-temperature enthalpy-increasing system, it is characterised in that：Including compressor（1）, cross valve（2）, condenser（3）, throttle part
（4）, increasing enthalpy heat exchanger assembly（5）With gas-liquid separator（6）, wherein, the increasing enthalpy heat exchanger assembly（5）It is divided into first area
（51）With second area（52）, the first area（51）It is provided with several heat exchangers, the second area（52）It is provided with some
Individual heat exchanger, and first area（51）Heat exchanger be all connected with second area（52）Heat exchanger, the cross valve（2）Be provided with C,
Tetra- interfaces of D, E, S；The compressor（1）Connect the cross valve（2）Interface D, the cross valve（2）Interface C connection institute
State condenser（3）, condenser（3）Connect the throttle part（4）, throttle part（4）Connect the first area（51）Change
Hot device, the second area（52）Heat exchanger connect the cross valve（2）Interface E, the cross valve（2）Interface S connection
The gas-liquid separator（6）, the gas-liquid separator（6）Connect the compressor（1）, form low-temperature enthalpy-increasing system.
2. a kind of low-temperature enthalpy-increasing system according to claim 1, it is characterised in that：The second area（52）Each change
Hot device includes the first heat exchanger tube（521）With the second heat exchanger tube（522）, first heat exchanger tube（521）A and two interfaces of b are provided with,
Second heat exchanger tube（522）It is provided with c and two interfaces of d；The compressor（1）Connect the cross valve（2）Interface D, this four
Port valve（2）Interface C connect the condenser（3）, condenser（3）Connect first heat exchanger tube（521）Interface a, first
Heat exchanger tube（521）Interface b connect the throttle part（4）, throttle part（4）Connect the first area（51）Heat exchange
Device, first area（51）Heat exchanger connect second heat exchanger tube（522）Interface c, the second heat exchanger tube（522）Interface d
Connect the cross valve（2）Interface E, the cross valve（2）Interface S connect the gas-liquid separator（6）, the gas-liquid separator
（6）Connect the compressor（1）.
3. a kind of low-temperature enthalpy-increasing system according to claim 1, it is characterised in that：The second area（52）Each change
Hot device includes the first heat exchanger tube（521）With the second heat exchanger tube（522）, first heat exchanger tube（521）A and two interfaces of b are provided with,
Second heat exchanger tube（522）It is provided with c and two interfaces of d；The compressor（1）Connect the cross valve（2）Interface D, this four
Port valve（2）Interface C connect the condenser（3）, condenser（3）Connect the throttle part（4）, throttle part（4）Connection
The first area（51）Heat exchanger, first area（51）Heat exchanger connect first heat exchanger tube（521）Interface b,
Second heat exchanger tube（522）Interface c connect auxiliary heat pipe for auxiliary heat is discharged into the second heat exchanger tube from interface c（522）It is interior, the
Two heat exchanger tubes（522）Interface d connection heat exhausting pipes for by the second heat exchanger tube（522）Auxiliary heat be discharged in heat exhausting pipe from interface d,
First heat exchanger tube（521）Interface a connect the cross valve（2）Interface E, the cross valve（2）Interface S connect the gas-liquid
Separator（6）, the gas-liquid separator（6）Connect the compressor（1）.
4. a kind of low-temperature enthalpy-increasing system according to claim 1, it is characterised in that：The second area（52）Each change
Hot device includes the 3rd heat exchanger tube（523）With heat exchange groove（524）, the heat exchange groove（524）Auxiliary heat is placed with inside, the described 3rd changes
Heat pipe（523）It is immersed in heat exchange groove（524）It is auxiliary heat in；The compressor（1）Connect the cross valve（2）Interface D, this four
Port valve（2）Interface C connect the condenser（3）, condenser（3）Connect the throttle part（4）, throttle part（4）Connection
The first area（51）Heat exchanger, first area（51）Heat exchanger connect the 3rd heat exchanger tube（523）, the heat exchange
Groove（524）Connect auxiliary heat pipe respectively with heat exhausting pipe for auxiliary heat is discharged to heat exchange groove（524）It is interior and drained by heat exhausting pipe, it is described
3rd heat exchanger tube（523）Connect the cross valve（2）Interface E, the cross valve（2）Interface S connect the gas-liquid separator
（6）, the gas-liquid separator（6）Connect the compressor（1）.
5. a kind of method of work of low-temperature enthalpy-increasing system as claimed in claim 2, it is characterised in that：When startup low-temperature enthalpy-increasing system
After system, the coolant of High Temperature High Pressure is from the compressor（1）Flow out and flow to the cross valve（2）Interface D, then from the cross valve
（2）Interface C flow out, cocurrent is to the condenser（3）Heat release cooling is carried out, the coolant stream after heat release cooling is changed to described first
Heat pipe（521）Interface a, from first heat exchanger tube（521）Interface b flow to the throttle part（4）Throttled, after throttling
Coolant flow to the first area（51）Heat exchanger, coolant absorb first area（51）The heat of vaporization of thermal source, not yet inhales
The coolant of thermal evaporation flows to second heat exchanger tube（522）Interface c, coolant is in the second heat exchanger tube（522）Interior absorption first is changed
Heat pipe（521）Interior coolant waste heat is evaporated, and the coolant after heat absorption evaporation is from the second heat exchanger tube（522）Interface d flow out, and
Flow to the cross valve（2）Interface E, then from the cross valve（2）Interface S flow out, and flow through the gas-liquid separator（6）Stream
Return the compressor（1）, complete the utilization waste heat of condensation enthalpy-increasing function of low-temperature enthalpy-increasing system.
6. a kind of method of work of low-temperature enthalpy-increasing system as claimed in claim 3, it is characterised in that：When startup low-temperature enthalpy-increasing system
After system, auxiliary heat is from auxiliary heat pipe stream to second heat exchanger tube（522）Interface c and enter the second heat exchanger tube（522）, then from second
Heat exchanger tube（522）Interface d flow out cocurrent drain in heat exhausting pipe, now the coolant of High Temperature High Pressure is from the compressor（1）Stream
Go out and flow to the cross valve（2）Interface D, then from the cross valve（2）Interface C flow out, cocurrent is to the condenser（3）Enter
Row heat release is lowered the temperature, and the coolant stream after heat release cooling is to the throttle part（4）Throttled, the coolant after throttling flows to described
One region（51）Heat exchanger and absorb first area（51）The heat of vaporization of thermal source, the coolant flow direction of evaporation of not yet absorbing heat are described
First heat exchanger tube（521）Interface b enter the first heat exchanger tube（521）It is interior, and in the first heat exchanger tube（521）Inside it is absorbed in second to change
Heat pipe（522）Interior auxiliary heat is evaporated, and the coolant after heat absorption evaporation is from the first heat exchanger tube（521）Interface a flow out, and
Flow to the cross valve（2）Interface E, then from the cross valve（2）Interface S flow out, and flow through the gas-liquid separator（6）Stream
Return the compressor（1）, complete the auxiliary thermal convection current heat exchange enthalpy-increasing function of utilization of low-temperature enthalpy-increasing system.
7. a kind of method of work of low-temperature enthalpy-increasing system as claimed in claim 4, it is characterised in that：When startup low-temperature enthalpy-increasing system
After system, auxiliary heat is from auxiliary heat pipe stream to the heat exchange groove（524）It is interior, then from being drained auxiliary heat by heat exhausting pipe, now High Temperature High Pressure
Coolant from the compressor（1）Flow out and flow to the cross valve（2）Interface D, then from the cross valve（2）Interface C stream
Go out, cocurrent is to the condenser（3）Heat release cooling is carried out, the coolant stream after heat release cooling is to the throttle part（4）Saved
Stream, the coolant after throttling flow to the first area（51）Heat exchanger and absorb first area（51）The heat of vaporization of thermal source,
Not yet absorb heat evaporation coolant stream to the 3rd heat exchanger tube（523）It is interior, and the heat exchange groove is absorbed in heat exchanger tube（524）It is interior
Auxiliary heat be evaporated, heat absorption evaporation after coolant flow to the cross valve（2）Interface E, then from the cross valve（2）'s
Interface S flows out, and flows through the gas-liquid separator（6）Flow back to the compressor（1）, complete the auxiliary heat of utilization of low-temperature enthalpy-increasing system
Immersion heat exchange enthalpy-increasing function.
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| GB169996A (en) * | 1920-10-07 | 1922-12-14 | Koppers Co Inc | Apparatus and process for purifying gases |
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| CN101979938A (en) * | 2010-11-29 | 2011-02-23 | 四川长虹空调有限公司 | Backheating method and backheating structure for heat pump air conditioner |
| CN103574969A (en) * | 2013-11-04 | 2014-02-12 | 美的集团武汉制冷设备有限公司 | Air conditioning system |
| CN105387658A (en) * | 2015-10-13 | 2016-03-09 | 珠海格力电器股份有限公司 | Water-cooling cold air type air conditioning equipment and operation method based on equipment |
| CN206522944U (en) * | 2016-11-02 | 2017-09-26 | 广东高而美制冷设备有限公司 | A kind of low-temperature enthalpy-increasing system with increasing enthalpy heat exchanger |
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- 2016-11-02 CN CN201610945968.0A patent/CN106546029A/en active Pending
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|---|---|---|---|---|
| GB169996A (en) * | 1920-10-07 | 1922-12-14 | Koppers Co Inc | Apparatus and process for purifying gases |
| DE2924307A1 (en) * | 1979-06-15 | 1980-12-18 | Hans Guenter Ing Gra Friedrich | Heat recuperator for central heating cycle - has motor driven bladed rotor compressing liquid circulated through heat exchanger closed cycle |
| CN101979938A (en) * | 2010-11-29 | 2011-02-23 | 四川长虹空调有限公司 | Backheating method and backheating structure for heat pump air conditioner |
| CN103574969A (en) * | 2013-11-04 | 2014-02-12 | 美的集团武汉制冷设备有限公司 | Air conditioning system |
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