CN202928179U - High-efficiency heat exchange refrigeration system - Google Patents
High-efficiency heat exchange refrigeration system Download PDFInfo
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- CN202928179U CN202928179U CN 201220652852 CN201220652852U CN202928179U CN 202928179 U CN202928179 U CN 202928179U CN 201220652852 CN201220652852 CN 201220652852 CN 201220652852 U CN201220652852 U CN 201220652852U CN 202928179 U CN202928179 U CN 202928179U
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Abstract
The utility model discloses a high-efficiency heat exchange refrigeration system. The system comprises a compressor (1), a condenser (2), a backheating device (3), an evaporation device and a heat exchange device (6), which are sequentially connected. The heat exchange device is arranged between the condenser and the backheating device. The evaporation device comprises a plate type evaporator (5) and a first expansion valve (8). The plate type evaporator comprises an evaporation area (5a) and an overheating area for carrying out backheating on a gas refrigerant flowing from the evaporation area (5a) and a liquid refrigerant flowing from the condenser. The evaporation area is formed by closely connecting a plurality of evaporation heat exchange plates (51), and the overheating area is formed by closely connecting a plurality of overheating heat exchange plates (52). The evaporation area and the overheating area are integrally formed, so that the whole refrigeration system is compact in overall structure, the heat exchange efficiency is improved, and own heat of the high-pressure intermediate-temperature refrigerant flowing from the condenser is recycled more effectively.
Description
Technical field
The utility model relates to field of refrigeration, particularly, relates to a kind of high efficient heat exchanging refrigeration system for handpiece Water Chilling Units.
Background technology
Refrigerant-cycle systems is by cold-producing medium and four large parts, i.e. compressor, and condenser, expansion valve, evaporimeter forms.The refrigeration principle of general refrigeration machine is by compressor, the lower vapour pressure of pressure to be shortened into the higher steam of pressure, the volume of steam is reduced, pressure raises, compressor sucks the working substance steam from evaporimeter lower pressure out, make it to send into condenser after pressure raises, be condensed into the higher liquid of pressure in condenser, after the choke valve throttling, after becoming the lower liquid of pressure, send into evaporimeter, heat absorption is evaporated and is become the lower steam of pressure in evaporimeter, then sends into the entrance of compressor, thereby completes kind of refrigeration cycle.Cold-producing medium constantly circulates in refrigerant-cycle systems, state variation occurs and carry out exchange heat with the external world.
In prior art, a kind of propane refrigerant aircondition with regenerator of air conditioner refrigerating technical field is disclosed in Chinese patent literature CN102095268, comprise condenser, regenerator, compressor, expansion valve and evaporimeter, wherein: the inner tube of compressor, condenser, regenerator, expansion valve and evaporimeter are connected successively, and the outer tube of regenerator is connected with compressor with evaporimeter respectively.The prior art utilizes the temperature of evaporator outlet gaseous refrigerant lower than the temperature of the liquid refrigerant that flows into regenerator, both carry out exchange heat in regenerator, make the liquid refrigerant temperature that enters expansion valve reduce, the temperature that enters simultaneously the gaseous refrigerant of compressor raises, reduce the energy consumption of expansion valve and compressor, improved to a certain extent the refrigeration performance of this aircondition.
But, the exchange heat of the prior art does not reach desirable state, the liquid refrigerant that its expansion valve flows out directly enters evaporimeter heat absorption evaporation, the heat of the liquid refrigerant that expansion valve is not flowed out is recycled, lost heat energy, the thermal effect excessively of evaporimeter can not meet the demands, and the temperature that the while exports by evaporimeter the gaseous refrigerant that enters compressor is also on the low side, has increased the compressor operating power consumption.
Be to solve the bad problem of evaporator superheat effect, Chinese patent file CN2604667Y discloses a kind of preheating, sterilization, cooling plate type heat exchanger of integrating.For solve sterilization and quick cooling employing two cover autonomous devices in prior art move simultaneously the using energy source of existence insufficient, waste water and problem that equipment investment is large.This heat exchanger is that the multi-disc plate type heat exchanger is closely connected, set up flow deflector in the centre and formed waste heat exchange area and high-temperature sterilization district, it is by pre-backing 1, sterilization sheet 4, fin 2, flow deflector 3 and high-temperature heating sheet 5 form, cold liquid is through preheating and sterilization, flows out emit heat in fin after, and high-temperature medium can be with hot water or superheated vapor, emit heat in heating plate, can fully exchange because they connect tight heat.But the interior shape of the deflector 3 in this plate type heat exchanger is parallelogram, can cause rate of flow of fluid too small during fluid process deflector 3, finally causes heat exchange efficiency lower, can not satisfy the requirement of the evaporimeter heat exchanging efficient in central air-conditioning.
The utility model content
For this reason, technical problem to be solved in the utility model is the problem that the evaporimeter of existing refrigeration system takes up room greatly, heat exchange efficiency is low, thereby a kind of high-efficiency refrigerating system with evaporimeter that dutycycle is little, the thermal efficiency is high is provided.
Further provide a kind of compressor oil is increased the refrigerant-cycle systems that gas is mended the enthalpy function.
to achieve these goals, the utility model provides a kind of high efficient heat exchanging refrigeration system, comprise the compressor that connects successively, condenser, regenerative apparatus and vaporising device, also comprise heat-exchanger rig, be located at described condenser, between described compressor and described regenerative apparatus, and be provided with the second expansion valve between the refrigerant outlet end of described heat-exchanger rig and described condenser, described heat-exchanger rig has the first refrigerant inlet, the first refrigerant outlet, second refrigerant entrance and second refrigerant outlet, wherein, described the first refrigerant inlet is connected with the refrigerant outlet end of described the second expansion valve, described the first refrigerant outlet is connected with the air entry end at described compressor middle part, described second refrigerant entrance is connected with the refrigerant outlet end of described condenser, described second refrigerant outlet is connected with described regenerative apparatus, liquid refrigerant heat exchange in described heat-exchanger rig that the liquid refrigerant that described the first refrigerant inlet enters and described second refrigerant entrance enter, the gaseous refrigerant that forms is by in described the first described compressor of refrigerant outlet input, the liquid refrigerant that forms enters in described regenerative apparatus, described regenerative apparatus is used for realizing through the liquid refrigerant of described heat-exchanger rig output and the gaseous refrigerant heat exchange of described evaporimeter output, and with in the described compressor of gaseous refrigerant input that forms after heat exchange, it has the 3rd refrigerant inlet, the 3rd refrigerant outlet, the 4th refrigerant inlet and the 4th refrigerant outlet, described the 3rd refrigerant inlet is connected with the second refrigerant outlet of described heat-exchanger rig, and described the 4th refrigerant outlet is connected in the air entry end of described compressor, described vaporising device comprises plate-type evaporator and the first expansion valve, described plate-type evaporator comprises for the evaporating area of liquid refrigerant evaporation and is used for the overheated zone that described the evaporating area gaseous refrigerant that flows out and the liquid refrigerant that is flowed out by described regenerative apparatus carry out backheat, the evaporation and heat-exchange sheet is stacked is formed by connecting by several for described evaporating area, overheated heat exchanger fin is stacked is formed by connecting by several in described overheated zone, described overheated zone has the 5th refrigerant inlet, the 5th refrigerant outlet, the 6th refrigerant inlet and the 6th refrigerant outlet, described the 5th refrigerant inlet is connected in described the 3rd refrigerant outlet of described regenerative apparatus, described the 5th refrigerant outlet is connected in described the 6th refrigerant inlet by the first expansion valve, described the 6th refrigerant outlet is connected in the 4th refrigerant inlet of described regenerative apparatus.
Described evaporating area and described overheated zone are by a deflector isolation, described deflector is provided with for the cold-producing medium after described evaporating area heating being guided to the diversion groove of described overheated zone, and the area of passage of the water conservancy diversion interface at the sectional area of described diversion groove and two ends about equally.
The area difference of the area of passage of the sectional area of described diversion groove and described water conservancy diversion interface is no more than 10%.
Form pod apertures and a plurality of regularly arranged heat exchange groove for the conducting cold-producing medium on the plate face of described evaporation and heat-exchange sheet and described overheated heat exchanger fin.
Described heat exchange groove is herringbone, and the described heat exchange groove on adjacent heat exchanger fin is positive herringbone and the setting of falling the herringbone.
Described pod apertures place's employing seal gasket of adjacent described evaporation and heat-exchange sheet and described overheated heat exchanger fin is connected and sealed.
The two ends of described evaporimeter arrange the heat exchange end cap.
Be welded to connect between described heat exchange end cap, described evaporation and heat-exchange sheet, described deflector, described overheated heat exchanger fin.
Described cold-producing medium directly is circulated in described evaporating area through the described cold-producing medium that forms low-temp low-pressure after described the first expansion valve behind described overheated zone again and carries out heat exchange with freezing liquid.
Also be connected with gas-liquid separator between the second refrigerant outlet of described regenerative apparatus and the air entry of described compressor.
Also be provided with the tonifying Qi pipeline between the refrigerant outlet end of described condenser and described compressor air suction mouth.
Technique scheme of the present utility model has the following advantages compared to existing technology:
1, in the utility model, between described condenser and described regenerative apparatus, heat-exchanger rig is set, the liquid refrigerant of condenser output can be realized the heat transfer process of self in described heat-exchanger rig before entering described regenerative apparatus, the temperature that both had been conducive to reduce the liquid refrigerant that enters described expansion valve has realized again compressor is increased the effect that gas is mended enthalpy to reduce the energy consumption of described expansion valve.described evaporimeter is the integrated plate-type evaporator of evaporating area and overheated zone, the refrigerant liquid of the cryogenic high pressure that regenerative apparatus flows out flows into flows through the overheated zone after evaporimeter and is evaporated to the refrigerant gas of low-temp low-pressure in evaporating area, the refrigerant gas of this low-temp low-pressure is back to the overheated zone and carries out heat exchange with the refrigerant liquid of cryogenic high pressure, make the refrigerant liquid release heat of cryogenic high pressure reduce temperature, itself absorbs heat rising temperature and flows out into compressor from evaporimeter, thereby the effective recycling of realization to the self heat of the cryogenic high pressure refrigerant liquid of condenser outflow, improve the Energy Efficiency Ratio of cold-producing medium, simultaneously, due to evaporimeter with backheat district and the one-body molded setting of evaporating area, make the refrigerant-cycle systems compact overall structure, the flow resistance of cold-producing medium has been simplified and reduced to pipe arrangement.
2, in the utility model, the overheated zone of evaporimeter and evaporating area separate by a deflector, and the compact conformation of whole evaporimeter is lower with respect to existing split type evaporimeter floor space; Simultaneously, the sectional area of the sectional area of the diversion groove that deflector is offered and two end interfaces about equally, make the flow velocity of refrigerant stable in air deflector, thereby make the compact overall structure of whole refrigerant-cycle systems, heat exchange efficiency improves greatly, the more effective recycling of realization to the self heat of the cryogenic high pressure refrigerant liquid of condenser outflow.
3, in the utility model, described high efficient heat exchanging refrigeration system, it also comprises the heat-exchanger rig that is connected between condenser and evaporimeter, carries out heat exchange for the first time with the refrigerant liquid of cryogenic high pressure that the refrigerant outlet end of condenser is flowed out and reclaims, and improves the Energy Efficiency Ratio of cold-producing medium.
4, in the utility model, also be provided with the tonifying Qi pipeline between the air entry of described heat-exchanger rig and compressor, make the gas part in the refrigerant liquid of the cryogenic high pressure that described first refrigerant outlet of heat-exchanger rig flows out to enter compressor, thereby compressor is played the effect that tonifying Qi increases enthalpy.
5, in the utility model, also be provided with reflux line between the refrigerant outlet end of described condenser and described compressor air suction mouth, make the part low-temperature refrigerant of condenser output be back in compressor, compressor is played cooling effect, effectively reduce the operating temperature of compressor, extended the service life of compressor, improved simultaneously from the heat utilization ratio of the cold-producing medium of condenser output.
Description of drawings
For content of the present utility model is more likely to be clearly understood, the below is described in further detail the utility model, wherein according to specific embodiment of the utility model also by reference to the accompanying drawings
Fig. 1 is the structural principle schematic diagram of high efficient heat exchanging refrigeration system of the present utility model;
Fig. 2 is the structural representation of plate-type evaporator of the present utility model;
Fig. 3 is the perspective view of deflector of the present utility model.
in figure, Reference numeral is expressed as: the 1-compressor, the 2-condenser, the 3-regenerative apparatus, 301-the 3rd refrigerant inlet, 302-the 3rd refrigerant outlet, 303-the 4th refrigerant inlet, 304-the 4th refrigerant outlet, the 5-plate-type evaporator, the 5a-evaporating area, the 5b-overheated zone, 51-evaporation and heat-exchange sheet, the overheated heat exchanger fin of 52-, 501-the 5th refrigerant inlet, 502-the 5th refrigerant outlet, 503-the 6th refrigerant inlet, 504-the 6th refrigerant outlet, the 6-heat-exchanger rig, 601-the first refrigerant inlet, 602-the first refrigerant outlet, 603-second refrigerant entrance, the outlet of 604-second refrigerant, 7-the second expansion valve, 8-the first expansion valve, the 53-deflector, the 53a-diversion groove, 53b-water conservancy diversion interface, the import of 55-freezing liquid, the outlet of 56-freezing liquid, the 57-pod apertures, 58-heat exchange groove, 59-heat exchange end cap, 901-the first end cap, 902-the second end cap.
The specific embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present utility model is elaborated.Should be understood that, the specific embodiment described herein only is used for description and interpretation the utility model, is not limited to the utility model.
as shown in Figure 1, a kind of high efficient heat exchanging refrigeration system of the present utility model, comprise the compressor 1 that connects successively, condenser 2, regenerative apparatus 3 and vaporising device, also comprise heat-exchanger rig 6, be located at described condenser 2, between described compressor 1 and described regenerative apparatus 3, heat exchange for the refrigerant liquid self of realizing the high pressure temperature that described condenser flows out, make the refrigerant liquid temperature that described heat-exchanger rig flows out reduce, be conducive to the further heat exchange that cold-producing medium enters described regenerative apparatus, described regenerative apparatus is located between described heat-exchanger rig and described evaporimeter, be used for realizing through the liquid refrigerant of described heat-exchanger rig 6 outputs and the gaseous refrigerant heat exchange of described evaporimeter output, make the liquid refrigerant temperature of the first expansion valve in the described vaporising device that enters next step further reduce, be conducive to reduce the power consumption of described the first expansion valve, simultaneously, gaseous refrigerant by evaporimeter output passes through the heat exchange of described regenerative apparatus before circulation enters described compressor, temperature raises, reduced the power consumption of described compressor, improved the effectiveness of regenerator of whole refrigeration system.described vaporising device comprises plate-type evaporator 5 and the first expansion valve 8, described plate-type evaporator 5 comprises for the evaporating area 5a of cold-producing medium evaporation and is used for the overheated zone 5b that refrigerant gas that described evaporating area 5a flows out and the refrigerant liquid of described condenser outflow carry out backheat, described evaporating area 5a and described overheated zone 5b are by 53 isolation of a deflector, described deflector 53 is provided with for the cold-producing medium after described evaporating area 5a heating being guided to the diversion groove 53a of described overheated zone 5b, the area of passage of the water conservancy diversion interface 53b at the sectional area of described diversion groove 53a and two ends about equally, the flow velocity that makes cold-producing medium is more stable at described deflector 53 places, heat exchange efficiency improves greatly, thereby improve from the rate of recovery of the refrigerant liquid self heat of described condenser 2 outflows.
Need to prove, the area of passage of the water conservancy diversion interface 53b at the sectional area of described diversion groove 53a and two ends refers to that about equally the area of passage of the water conservancy diversion interface 53b at the sectional area of described diversion groove 53a and two ends can have the difference of certain limit, and the difference of this certain limit should be flowed through on cold-producing medium, and stablizing of described deflector 53 flow velocitys is capable not to exert an influence or produce very slight impact.
Preferably, the area difference of the area of passage of the sectional area of described diversion groove 53a and described water conservancy diversion interface 53b is no more than 10%, is preferably 5%, and more preferably, the sectional area of described diversion groove 53a is identical with the area of passage of described water conservancy diversion interface 53b.
Described compressor 1 is magnetic suspension centrifuge or centrifugal compressor, is preferably the magnetic suspension centrifuge, is not restricted at this particular type to compressor.
As shown in Figure 2, described evaporating area 5a closely is formed by connecting by a plurality of evaporation and heat-exchange sheets 51, described overheated zone 5b closely is formed by connecting by a plurality of overheated heat exchanger fins 52, forms pod apertures 57 and a plurality of regularly arranged heat exchange groove 58 for the conducting cold-producing medium on the plate face of described evaporation and heat-exchange sheet 51 and described overheated heat exchanger fin 52.Described heat exchange groove 58 is herringbone, and the described heat exchange groove 58 on adjacent heat exchanger fin is positive herringbone and the setting of falling the herringbone.This kind is arranged so that heat exchange area increases greatly, and heat exchange efficiency is further enhanced.
In addition, adjacent described evaporation and heat-exchange sheet 51 and the described pod apertures of described overheated heat exchanger fin 52 57 places employing seal gasket are connected and sealed, and are used for described pod apertures 57 isolated with the described heat exchange groove 58 of described overheated heat exchanger fin 52.
In addition, the two ends of described evaporimeter 5 arrange heat exchange end cap 59, described heat exchange end cap 59 comprises the first end cap 901 that is arranged on described overheated zone 5b, the second end cap 902 that is arranged on described evaporating area 5a, is welded to connect between two end cap and described evaporation and heat-exchange sheet 51, described deflector 53, described overheated heat exchanger fin 52.
Also be provided with the tonifying Qi pipeline between the refrigerant outlet end of described condenser 2 and described compressor 1 air entry, the cold-producing medium of described condenser output is the gas-liquid mixed refrigerant of temperature in high pressure, gaseous refrigerant is back in described compressor 1 by the tonifying Qi pipeline, compressor is play increase the effect of gas benefit enthalpy.
Also have, described heat-exchanger rig 6 has the first refrigerant inlet 601, the first refrigerant outlet 602, second refrigerant entrance 603 and second refrigerant outlet 604, wherein, be provided with the second expansion valve 7 between described the first refrigerant inlet 601 and described condenser 2 and described heat-exchanger rig 6, with will by in the high pressure of this second expansion valve 7 temperature the liquid refrigerant decrease temperature and pressure.
described the first refrigerant outlet 602 is connected in the air entry end at described compressor 1 middle part, described second refrigerant entrance 603 is connected in the refrigerant outlet end of described condenser 2, described second refrigerant outlet 604 is connected with described regenerative apparatus 3, described regenerative apparatus 3 has the 3rd refrigerant inlet 301, the 3rd refrigerant outlet 302, the 4th refrigerant inlet 303 and the 4th refrigerant outlet 304, described the 3rd refrigerant inlet 301 is connected with the second refrigerant outlet 604 of described heat-exchanger rig 6, described the 4th refrigerant outlet 304 is connected in the air entry end of described compressor 1, described overheated zone 5b has the 5th refrigerant inlet 501, the 5th refrigerant outlet 502, the 6th refrigerant inlet 503 and the 6th refrigerant outlet 504, described the 5th refrigerant inlet 501 is connected in described the 3rd refrigerant outlet 302, described the 5th refrigerant outlet 502 is connected in described the 6th refrigerant inlet 503 by the first expansion valve 8, and described the 6th refrigerant outlet 504 is connected in the 4th refrigerant inlet 303 of described regenerative apparatus 3.
The following circulation process that cold-producing medium in a kind of high efficient heat exchanging refrigeration system that detailed the utility model specific embodiment provides is described according to above-mentioned structure.The flow direction of cold-producing medium is as shown in arrow in Fig. 1 or Fig. 2.
as shown in Figure 1, described compressor 1 sucks the refrigerant gas of low-temp low-pressure, be delivered to after refrigerant gas with its boil down to HTHP in described condenser 2, the refrigerant gas of HTHP carries out with external heat exchange medium the refrigerant liquid that heat exchange is condensed into cryogenic high pressure in described condenser 2, wet attitude and liquid mix refrigerant in the high pressure that the refrigerant outlet end of described condenser 2 flows out, wherein, gaseous refrigerant enters compressor 1 gas through the tonifying Qi pipeline and increases the effect of gas benefit enthalpy, in high pressure, warm liquid refrigerant is divided into two-way, one tunnel refrigerant liquid that becomes low-pressure low-temperature after described the second expansion valve 7 throttlings enters described heat-exchanger rig 6 by described the first refrigerant inlet, the described second refrigerant entrance 603 of another route directly enters described heat-exchanger rig, both carry out heat exchange in described heat-exchanger rig 6, the former absorbs heat of vaporization is that gaseous refrigerant enters the air entry end at described compressor 1 middle part from described the first refrigerant outlet 602 outputs, latter's release heat temperature reduces described the 3rd refrigerant inlet 301 that flows out by described regenerative apparatus 3 from described second refrigerant outlet 604 and enters described regenerative apparatus 3, this moment, liquid refrigerant was the liquid refrigerant of high pressure low temperature, it is entered the overheated zone 5b of described plate-type evaporator 5 by the liquid refrigerant that described the 3rd refrigerant outlet 302 flows out by described the 5th refrigerant inlet 501 of described the first end cap 901 that is arranged on described overheated zone 5b, described overheated zone 5b closely is formed by connecting by several overheated heat exchanger fins 52, be somebody's turn to do the pod apertures 57 and a plurality of regularly arranged heat exchange groove 58 that form on the plate face that hangs down described overheated heat exchanger fin 52 for the conducting cold-producing medium, this kind layout makes heat exchange area increase, described overheated zone 5b has the 5th refrigerant inlet 501, the 5th refrigerant outlet 502, the 6th refrigerant inlet 503 and the 6th refrigerant outlet 504, this low-pressure low-temperature cold-producing medium flows out from described overheated zone 5b by described the 5th refrigerant outlet 502, flowing through, this liquid refrigerant temperature further reduces after described the first expansion valve 8 throttlings, again enter described overheated zone 5b by described the 6th cold-producing medium 503, described evaporating area 5a and described overheated zone 5b are by 53 isolation of a deflector, described deflector 53 is provided with for the cold-producing medium after described evaporating area 5a heating being guided to the diversion groove 53a of described overheated zone 5b, liquid refrigerant enters described evaporating area 5a by the described water conservancy diversion interface 53b described diversion groove 53a that flows through, , the area of passage of the water conservancy diversion interface 53b at the sectional area of described diversion groove 53a and two ends about equally, be preferably 10%, also form pod apertures 57 and a plurality of regularly arranged heat exchange groove 58 for the conducting cold-producing medium on the plate face of described evaporation and heat-exchange sheet 51, described the second end cap 901 of described evaporating area 5a, on form chilled water import 55 and chilled water outlet 56, the low-pressure low-temperature liquid refrigerant carries out heat exchange with the outside chilled water of inputting and is evaporated to gaseous refrigerant, flow back to described overheated zone by described deflector 57, because there are the temperature difference in gaseous refrigerant and the low-pressure low-temperature cold-producing medium that just enters described overheated zone 5b, gaseous refrigerant absorbs the heat temperature and further raises by described the 6th refrigerant outlet 504 outputs, low-pressure low-temperature liquid refrigerant release heat temperature further reduces, reduced the power consumption of described the first expansion valve 8, improved refrigerating capacity, and gaseous refrigerant enters the air entry end of described compressor 1, complete circulation, temperature raises and has reduced the power consumption of described compressor 1, further improved the refrigerating capacity of system.
Obviously, above-described embodiment is only for example clearly is described, and is not the restriction to embodiment.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here need not also can't give all embodiments exhaustive.And the apparent variation of being extended out thus or change still are among the protection domain of the utility model creation.
Claims (12)
1. a high efficient heat exchanging refrigeration system, comprise the compressor (1), condenser (2), regenerative apparatus (3) and the vaporising device that connect successively, it is characterized in that:
also comprise heat-exchanger rig (6), be located at described condenser (2), between described compressor (1) and described regenerative apparatus (3), and be provided with the second expansion valve (7) between the refrigerant outlet end of described heat-exchanger rig (6) and described condenser (2), described heat-exchanger rig (6) has the first refrigerant inlet (601), the first refrigerant outlet (602), second refrigerant entrance (603) and second refrigerant outlet (604), wherein, described the first refrigerant inlet (601) is connected with the refrigerant outlet end of described the second expansion valve (7), described the first refrigerant outlet (602) is connected with the air entry end at described compressor (1) middle part, described second refrigerant entrance (603) is connected with the refrigerant outlet end of described condenser (2), described second refrigerant outlet (604) is connected with described regenerative apparatus (3), liquid refrigerant heat exchange in described heat-exchanger rig (6) that the liquid refrigerant that described the first refrigerant inlet (603) enters and described second refrigerant entrance (603) enter, the gaseous refrigerant that forms is inputted in described compressor (1) by described the first refrigerant outlet (602), the liquid refrigerant that forms enters in described regenerative apparatus (3),
described regenerative apparatus (3) is used for realizing through the liquid refrigerant of described heat-exchanger rig (6) output and the gaseous refrigerant heat exchange of described evaporimeter output, and with in the gaseous refrigerant described compressor of input (1) that forms after heat exchange, it has the 3rd refrigerant inlet (301), the 3rd refrigerant outlet (302), the 4th refrigerant inlet (303) and the 4th refrigerant outlet (304), described the 3rd refrigerant inlet (301) is connected with the second refrigerant outlet (604) of described heat-exchanger rig (6), described the 4th refrigerant outlet (304) is connected in the air entry end of described compressor (1),
described vaporising device comprises plate-type evaporator (5) and the first expansion valve (8), described plate-type evaporator (5) comprises for the evaporating area (5a) of liquid refrigerant evaporation and is used for the overheated zone (5b) that described evaporating area (5a) gaseous refrigerant that flows out and the liquid refrigerant that is flowed out by described regenerative apparatus (3) carry out backheat, described evaporating area (5a) is by stacked being formed by connecting of several evaporation and heat-exchange sheets (51), described overheated zone (5b) is by stacked being formed by connecting of several overheated heat exchanger fins (52), described overheated zone (5b) has the 5th refrigerant inlet (501), the 5th refrigerant outlet (502), the 6th refrigerant inlet (503) and the 6th refrigerant outlet (504), described the 5th refrigerant inlet (501) is connected in described the 3rd refrigerant outlet (302) of described regenerative apparatus (3), described the 5th refrigerant outlet (502) is connected in described the 6th refrigerant inlet (503) by the first expansion valve (8), described the 6th refrigerant outlet (504) is connected in the 4th refrigerant inlet (303) of described regenerative apparatus (3).
2. high efficient heat exchanging refrigeration system according to claim 1, it is characterized in that: described evaporating area (5a) is isolated by a deflector (53) with described overheated zone (5b), described deflector (53) is provided with for the cold-producing medium after described evaporating area (5a) heating being guided to the diversion groove (53a) of described overheated zone (5b), and the area of passage of the water conservancy diversion interface (53b) at the sectional area of described diversion groove (53a) and two ends about equally.
3. high efficient heat exchanging refrigeration system according to claim 2, it is characterized in that: the area difference of the area of passage of the sectional area of described diversion groove (53a) and described water conservancy diversion interface (53b) is no more than 10%.
4. refrigerant-cycle systems according to claim 3, it is characterized in that: described compressor (1) is the magnetic suspension centrifuge.
5. according to claim 1-4 described high efficient heat exchanging refrigeration systems, is characterized in that: form pod apertures (57) and a plurality of regularly arranged heat exchange groove (58) for the conducting cold-producing medium on the plate face of described evaporation and heat-exchange sheet (51) and described overheated heat exchanger fin (52).
6. high efficient heat exchanging refrigeration system according to claim 5 is characterized in that:
Described heat exchange groove (58) is herringbone, and the described heat exchange groove (58) on adjacent heat exchanger fin is positive herringbone and the setting of falling the herringbone.
7. high efficient heat exchanging refrigeration system according to claim 6 is characterized in that:
Adjacent described evaporation and heat-exchange sheet (51) and the described pod apertures (57) of described overheated heat exchanger fin (52) locate to adopt seal gasket to be connected and sealed.
8. high efficient heat exchanging refrigeration system according to claim 7 is characterized in that:
The two ends of described evaporimeter (5) arrange heat exchange end cap (59).
9. high efficient heat exchanging refrigeration system according to claim 8 is characterized in that:
Be welded to connect between described heat exchange end cap (59), described evaporation and heat-exchange sheet (51), described deflector (53), described overheated heat exchanger fin (52).
10. high efficient heat exchanging refrigeration system according to claim 9 is characterized in that:
Described cold-producing medium passes through the described cold-producing medium that forms low-temp low-pressure after described the first expansion valve (8) again and directly is circulated to described evaporating area (5a) in and freezing liquid carries out heat exchange after described overheated zone (5b).
11. high efficient heat exchanging refrigeration system according to claim 10 is characterized in that: also be connected with gas-liquid separator between the second refrigerant outlet (604) of described regenerative apparatus (3) and the air entry of described compressor (1).
12. high efficient heat exchanging refrigeration system according to claim 11 is characterized in that: also be provided with the tonifying Qi pipeline between the refrigerant outlet end of described condenser (2) and described compressor (1) air entry.
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CN103851814A (en) * | 2012-11-30 | 2014-06-11 | 苏州必信空调有限公司 | Efficient heat exchange refrigerating system |
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CN109579332A (en) * | 2017-09-29 | 2019-04-05 | 松下知识产权经营株式会社 | Refrigeration system |
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2012
- 2012-11-30 CN CN 201220652852 patent/CN202928179U/en not_active Withdrawn - After Issue
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CN103851814B (en) * | 2012-11-30 | 2016-08-17 | 苏州必信空调有限公司 | A kind of high efficient heat exchanging refrigeration system |
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CN104006588A (en) * | 2014-06-09 | 2014-08-27 | 南通四方冷链装备股份有限公司 | Three-stage separated efficient horizontal type oil distribution device |
CN105783354A (en) * | 2014-12-22 | 2016-07-20 | 珠海格力节能环保制冷技术研究中心有限公司 | Compressor dispenser, compressor and air conditioning system |
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