CN202675738U - Spray evaporation system for air source heat pump and air conditioner low temperature heating - Google Patents
Spray evaporation system for air source heat pump and air conditioner low temperature heating Download PDFInfo
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- CN202675738U CN202675738U CN 201220346065 CN201220346065U CN202675738U CN 202675738 U CN202675738 U CN 202675738U CN 201220346065 CN201220346065 CN 201220346065 CN 201220346065 U CN201220346065 U CN 201220346065U CN 202675738 U CN202675738 U CN 202675738U
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Abstract
Disclosed is a spray evaporation system for an air source heat pump and air conditioner low temperature heating. The spray evaporation system for the air source heat pump and the air conditioner low temperature heating comprises a compressor, a heat exchanger, a liquid storage pot, an expansion valve, a spray evaporator and an evaporator. The spray evaporation system for the air source heat pump and the air conditioner low temperature heating utilizes heat energy of normal heat dissipation of a compressor exhaust pipe through sandwich evaporation atomized droplets of the evaporator and without need for adding other auxiliary energy such as electrical heating, and evaporation cost is reduced. At the same time, primary evaporator evaporation of the existing systems is changed into secondary evaporation by means of adding primary spray evaporation. The secondary evaporation enables gas-liquid refrigerant media under low temperature to be fully evaporated, and thereby evaporation efficiency is enhanced. Enough refrigerant gas is supplied for the heating of the air conditioner compressor under the low temperature, and therefore normal and stable heating of the compressor under the low temperature (below -5 degrees) is achieved and heating efficiency of the air conditioner heat pump under the low temperature (below -5 degrees) is guaranteed.
Description
Technical field
The utility model relates to air source heat pump, air-conditioner low-temperature heating field, is a kind of spray evaporation system for air source heat pump, air-conditioner low-temperature heating specifically.
Background technology
The operation principle of air source heat pump and air-conditioning be utilize the characteristic of coolant media low-temperature evaporation (as R22 under-46 ℃ low temperature with regard to start vaporizer), by the air-introduced machine on the evaporimeter airborne heat being sucked evaporimeter enters in the evaporator fin setting-in, coolant media in the copper pipe absorbs airborne heat and evaporates, making the liquid evaporation in the refrigerant gas liquid mixture is that gas enters compressor, the gas that compressed machine compression produces HTHP heats, and this moment, high temperature and high pressure gas was commonly referred to as air-conditioning through the equipment that the condenser heat radiation produces hot blast or cold wind; If this high temperature and high pressure gas is commonly referred to air source heat pump through the equipment of heat exchanger heat exchange generation hot water or cold water.
Present air source heat pump and air-conditioning are lower than-5 ℃ and just can not normally heat in environment temperature, its reason is: the heat that absorbs from air of common air-conditioning evaporimeter is few at low temperatures, needed capacity refrigerant tolerance when being not enough to evaporate compressor and normally heating, thereby can't reach condition and the requirement that compressor normally heats, so below low temperature-5 ℃, do not heat, in addition, at present the low-temperature air energy heat pump for increase evaporation capacity must be corresponding increase system disengagement area, thereby increased product cost.
Summary of the invention
In view of above-mentioned, the purpose of this utility model is to provide the spray evaporation system of a kind of air source heat pump, air conditioner low temperature heating.
The utility model is achieved through the following technical solutions:
A kind of spray evaporation system for air source heat pump, air-conditioner low-temperature heating is comprised of compressor, heat exchanger, fluid reservoir, expansion valve, spray evaporator and evaporimeter, and coolant media is passed to heat exchanger via the outlet of spray evaporator outer tube; Be passed to capillary by heat exchanger; Be passed to evaporimeter by capillary; Be passed to fluid reservoir by evaporimeter; Be passed to compressor by fluid reservoir; Be passed to the outer tube inlet of spray evaporator, circulating transfer by compressor at last; Another road coolant media is passed to heat exchanger via the outlet of spray evaporator outer tube; Be passed to tube inlet in the spray evaporator by heat exchanger; Via the pressure nozzle in the spray evaporator gas-liquid mixed coolant media is sprayed into the microatomization drop; Be passed to fluid reservoir by the outlet of spray evaporator inner tube again; Be passed to compressor by fluid reservoir; Be passed to the outer tube inlet of spray evaporator, circulating transfer by compressor at last.
Cyclic high-temperature coolant media in the outer pipeline of above-mentioned spray evaporator;
Circulating refrigerant medium in the interior pipeline of above-mentioned spray evaporator.
Advantage of the present utility model and beneficial effect:
1, spray evaporator utilization of the present utility model is the heat energy of the normal heat radiation of compressor exhaust pipe, and the interlayer evaporation atomized drop by evaporimeter does not need other supplementary energies such as newly-increased electrical heating, reduces the evaporation cost.
2, spray evaporator of the present utility model utilizes the shower nozzle effect, and the gas-liquid mixed coolant media atomizing with high pressure low temperature is conducive to or has accelerated the gasification of moment refrigerant drop.
3, the utility model divides two-way the high pressure low temperature gas-liquid mixed coolant media through heat radiation or heat exchange, one the tunnel through spray evaporator, evaporate through normal system on another road, thereby reduced the evaporation coolant quantity by evaporimeter, equal in a disguised form to have increased the disengagement area of evaporimeter, reduced system cost.
4, the utility model is the heat pump type air conditioning system that spray evaporator has been installed, and does not need to dispose the dedicated compressor of the higher three special hole low-temperature heatings of price, has simplified technique, has reduced product cost.
5, the utility model is with the flush distillation device evaporation of existing system, increased again a spray evaporation, become twice evaporation, twice evaporation is evaporated the gas-liquid coolant media under the low temperature fully, improved evaporation performance, heat at low temperatures the cold media gas that capacity is provided for compressor of air conditioner, thereby realized at low temperatures (below 5 ℃) normal stable heating of compressor, guaranteed the usefulness that (below 5 ℃) heat under the low temperature of air-conditioning heat pump.
Description of drawings
Fig. 1 is equipment flowsheet of the present utility model.
Among the figure: 1-spray evaporator 2-compressor 3-heat exchanger 4-capillary 5-fluid reservoir 6-evaporimeter 7-pressure nozzle
The specific embodiment
The present invention is described further below in conjunction with description of drawings:
As shown in Figure 1, a kind of spray evaporation system for air source heat pump, air-conditioner low-temperature heating, be comprised of compressor 2, heat exchanger 3, fluid reservoir 5, expansion valve 4, spray evaporator 1 and evaporimeter 6, it is characterized in that: coolant media is passed to heat exchanger 3 via the outlet of spray evaporator 1 outer tube; Be passed to capillary 4 by heat exchanger 3; Be passed to evaporimeter 6 by capillary 4; Be passed to fluid reservoir 5 by evaporimeter 6; Be passed to compressor 2 by fluid reservoir 5; Be passed to spray evaporator 1 outer tube inlet, circulating transfer by compressor 2 at last; Another road coolant media is passed to heat exchanger 3 via the outlet of spray evaporator 1 outer tube; Be passed to spray evaporator 1 interior tube inlet by heat exchanger 3; Via the pressure nozzle 7 in the spray evaporator 1 the gas-liquid mixed coolant media is sprayed into the microatomization drop; Be passed to fluid reservoir 5 by the outlet of spray evaporator 1 inner tube again; Be passed to compressor 2 by fluid reservoir 5; Be passed to spray evaporator 1 outer tube inlet, circulating transfer by compressor 2 at last.
Embodiment
At first, under the duty of compressor 2 low-temperature heatings, the gas after process compressor 2 heats up is entered after heat exchanger 3 heat exchange by blast pipe, becomes the coolant media of gas-liquid mixed.
In this moment system via the gas-liquid mixed coolant media of the high pressure low temperature of capillary 4, herein with it through distributing T-pipe, a part behind spray evaporator 1, under system high pressure, pressure nozzle 7 in the spray evaporator 1 forms vaporific refrigerant drop with the ejection of gas-liquid mixed refrigerant; Because the high-temperature gas that compressor 2 produces has entered the interlayer of spray evaporator 1 through blast pipe, in moment the refrigerant drop that has atomized is directly entered fluid reservoir 5 behind endothermic gasification, enters compressor 2 again.
The gas-liquid mixed coolant media that becomes low-pressure low-temperature after another road capillary 4 step-downs enters evaporimeter 6, and being absorbed heat from air by evaporimeter 6 is evaporated to gas to it and enters fluid reservoir 5 and enter compressor 2 again.
So just there is two parts gas to enter compressor 2, thereby increased the air inflow of compressor 2, improved evaporation performance, heat at low temperatures the cold media gas that capacity is provided for compressor 2, thereby realized at low temperatures (below 5 ℃) normal stable heating of compressor 2, guaranteed the usefulness that (below 5 ℃) heat under the low temperature of air-conditioning heat pump.
Claims (2)
1. spray evaporation system that is used for air source heat pump, air-conditioner low-temperature heating, be comprised of compressor (2), heat exchanger (3), fluid reservoir (5), expansion valve (4), spray evaporator (1) and evaporimeter (6), it is characterized in that: coolant media is passed to heat exchanger (3) via the outlet of spray evaporator (1) outer tube; Be passed to capillary (4) by heat exchanger (3); Be passed to evaporimeter (6) by capillary (4); Be passed to fluid reservoir (5) by evaporimeter (6); Be passed to compressor (2) by fluid reservoir (5); Be passed to the outer tube inlet of spray evaporator (1), circulating transfer by compressor (2) at last; Another road coolant media is passed to heat exchanger (3) via the outlet of spray evaporator (1) outer tube; Be passed to the interior tube inlet of spray evaporator (1) by heat exchanger (3); Via the pressure nozzle (7) in the spray evaporator (1) the gas-liquid mixed coolant media is sprayed into the microatomization drop; Be passed to fluid reservoir (5) by the outlet of spray evaporator (1) inner tube again; Be passed to compressor (2) by fluid reservoir (5); Be passed to the outer tube inlet of spray evaporator (1), circulating transfer by compressor (2) at last.
2. a kind of spray evaporation system for air source heat pump, air-conditioner low-temperature heating as claimed in claim 1 is characterized in that: cyclic high-temperature coolant media in the outer pipeline of described spray evaporator (1); Circulating refrigerant medium in the interior pipeline of described spray evaporator (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220346065 CN202675738U (en) | 2012-07-17 | 2012-07-17 | Spray evaporation system for air source heat pump and air conditioner low temperature heating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220346065 CN202675738U (en) | 2012-07-17 | 2012-07-17 | Spray evaporation system for air source heat pump and air conditioner low temperature heating |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202675738U true CN202675738U (en) | 2013-01-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220346065 Expired - Lifetime CN202675738U (en) | 2012-07-17 | 2012-07-17 | Spray evaporation system for air source heat pump and air conditioner low temperature heating |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202675738U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102748901A (en) * | 2012-07-17 | 2012-10-24 | 辛钟杰 | Atomizing evaporating system for low-temperature heating of air source heat pump and air conditioner |
-
2012
- 2012-07-17 CN CN 201220346065 patent/CN202675738U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102748901A (en) * | 2012-07-17 | 2012-10-24 | 辛钟杰 | Atomizing evaporating system for low-temperature heating of air source heat pump and air conditioner |
| CN102748901B (en) * | 2012-07-17 | 2014-10-08 | 辛钟杰 | Atomizing evaporating system for low-temperature heating of air source heat pump and air conditioner |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130116 |
|
| CX01 | Expiry of patent term |