CN105318655A - Refrigeration system capable of achieving quick precooling and ice cream machine - Google Patents
Refrigeration system capable of achieving quick precooling and ice cream machine Download PDFInfo
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- CN105318655A CN105318655A CN201410310653.XA CN201410310653A CN105318655A CN 105318655 A CN105318655 A CN 105318655A CN 201410310653 A CN201410310653 A CN 201410310653A CN 105318655 A CN105318655 A CN 105318655A
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- refrigeration system
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Abstract
The invention discloses a refrigeration system capable of achieving quick precooling. The refrigeration system comprises a compressor, a condenser, precooling heat exchange parts, a first control valve, refrigeration heat exchange parts, a second control valve, an expansion valve and a drying and filtering device, and the compressor is in sequential series connection with the condenser, the drying and filtering device, the expansion valve, the first control valve and the refrigeration heat exchange parts, so that a refrigeration loop of closed circulation is formed; the compressor is in sequential series connection with the condenser, the drying and filtering device, the expansion valve, the second control valve and the precooling heat exchange parts, so that a precooling loop of closed circulation is formed. According to the refrigeration system, the precooling heat exchange parts and the refrigeration heat exchange parts are in parallel connection, and the single high power compressor is utilized for conducting independent precooling on slurry in a slurry storage basin, the precooling speed of the ice cream slurry is greatly raised, cold storage and freshness preservation of the slurry are guaranteed, ice cream fabrication time is remarkably shortened, the ice cream output is increased, and the refrigeration system has the advantages of being simple in structure, convenient to operate, good in precooling effect and the like. In addition, the invention further discloses an ice cream machine.
Description
Technical field
The present invention relates to food refrigeration technical field, particularly relate to a kind of refrigeration system of fast precooling.The invention still further relates to a kind of ice cream maker being equipped with this refrigeration system.
Background technology
The refrigeration system of ice cream maker is generally by compressor compresses cold-producing medium and drives it to circulate in refrigeration system pipeline, to realize congealing to ice-cream slurry.In order to ensure the freshness of ice-cream slurry, and be convenient to frozen ice-cream slurry better, much high-end soft ice-cream machine is general all with precooling function, by arranging a small-sized pre-cold compressor and supporting pre-cool condenser, precooling capillary forms a set of chilldown system, but the chilldown system increased not only can make all corresponding increase of the volume and weight of ice cream maker, also can produce extra energy consumption and affect the heat dispersion of ice cream maker.For this reason, market occurs the single refrigeration compressor of employing carries out the ice cream maker of precooling to the storing basin storing ice-cream slurry, but this kind of chilldown system is the surplus after utilizing ice cream maker self refrigeration system supply freezing jar freezing lowers the temperature to the ice-cream slurry in storing basin, ice-cream slurry could be dropped to required suitable temperature (2 ~ 12 DEG C) by usual needs longer time (4 hours), there is the problem that pre-coo time is long and precooling effect is not good, especially concerning the client being located in tropical and subtropical zone area, shortening pre-coo time and improving precooling effect is active demand.
Summary of the invention
The technical problem that the present invention mainly solves is to provide a kind of refrigeration system of fast precooling, greatly can accelerate the precooling speed of ice cream maker, shortens pre-coo time, improves precooling effect, at short notice the ice-cream slurry in storing basin is dropped to suitable temperature.
For solving the problems of the technologies described above, the technical scheme that the present invention adopts is: comprise compressor, condenser, precool heat exchanger part, the first control valve, cooling heat exchange part, the second control valve, expansion valve and device for drying and filtering, described compressor is connected successively with described condenser, described device for drying and filtering, described expansion valve, described first control valve and described cooling heat exchange part, forms the refrigerating circuit of closed circulation; Described compressor is connected successively with described condenser, described device for drying and filtering, described expansion valve, described second control valve and described precool heat exchanger part, forms the pre-cold loop of closed circulation; Wherein, the arrival end of described cooling heat exchange part is connected with the port of export of described expansion valve through described first control valve, and the arrival end of described precool heat exchanger part is connected with the port of export of described expansion valve through described second control valve; The port of export of described cooling heat exchange part and the port of export of described precool heat exchanger part are all connected with the low-pressure side of described compressor.
Preferably, described precool heat exchanger part is coil pipe.
Preferably, described coil pipe comprises many arms, and arm described in every root is wound around four circles.
Preferably, described precool heat exchanger part is Heat exchange jacekt.
Preferably, described compressor is the compressor of two power.
Preferably, the area of dissipation of described condenser is 15m
2.
Preferably, the quantity of described precool heat exchanger part and described cooling heat exchange part be one, two or more.
Preferably, described refrigeration system comprises high voltage protective switch and low-voltage protective switch further, and the high-pressure side of described compressor is located at by described high voltage protective switch, and described low-voltage protective switch is located at the low-pressure side of described compressor.
For solving the problems of the technologies described above, another technical solution used in the present invention is: provide a kind of ice cream maker, and described ice cream maker is equipped with the refrigeration system according to above-mentioned fast precooling, for precooling ice-cream slurry.
Preferably, described ice cream maker comprises storing basin and freezing jar, and described precool heat exchanger part shroud is in the outer wall of described storing basin, and described cooling heat exchange part shroud is in the outer wall of described freezing jar.
The invention has the beneficial effects as follows: the situation being different from prior art, the refrigeration system of fast precooling of the present invention is in parallel with cooling heat exchange part and utilize single high-power compressor to carry out independent precooling to the slurry in storing basin by precool heat exchanger part, slurry in two feed basins can be cooled to less than 10 DEG C opening precooling function key in 30 minutes, thus greatly accelerate the precooling speed of ice-cream slurry, shorten pre-coo time.In addition, the present invention is wound around many group coil pipe arms at the outer wall of storing basin, and effective contact area of carrying out heat exchange between cold-producing medium and storing basin obviously increases, and increases the effective refrigerating capacity in the unit interval, thus effectively improve refrigerating efficiency, further shorten pre-coo time.The present invention has the features such as simple, the easy to operate and precooling effect of structure is good, substantially reduces the pre-coo time of ice-cream slurry in storing basin, both ensure that the cold storing and fresh-keeping of slurry, significantly shorten again the cake time processed, add ice-cream output.
Accompanying drawing explanation
Fig. 1 is the refrigeration principle structural representation of one embodiment of the invention.
Detailed description of the invention
Refer to Fig. 1, the invention provides a kind of refrigeration system of fast precooling, comprise compressor 1, condenser 2, precool heat exchanger part 3, first control valve 4, cooling heat exchange part 5, second control valve 6, expansion valve 7 and device for drying and filtering 8, compressor 1 is connected successively with condenser 2, device for drying and filtering 8, expansion valve 7, first control valve 4 and cooling heat exchange part 5, forms the refrigerating circuit of closed circulation; Compressor 1 is connected successively with condenser 2, device for drying and filtering 8, expansion valve 7, second control valve 6 and precool heat exchanger part 3, forms the pre-cold loop of closed circulation.Wherein, the arrival end of cooling heat exchange part 5 is connected with the port of export of expansion valve 7 through the first control valve 4, the arrival end of precool heat exchanger part 3 is connected with the port of export of expansion valve 7 through the second control valve 6, and the port of export of cooling heat exchange part 5 and the port of export of precool heat exchanger part 3 are all connected with the low-pressure side of compressor 1.
In the present invention, refrigeration system comprises high voltage protective switch 9 and low-voltage protective switch 10 further, and the high-pressure side of compressor 1 is located at by high voltage protective switch 9, and low-voltage protective switch 10 is located at the low-pressure side of compressor, for guarding the outlet pressure of compressor 1.
For solving the problems of the technologies described above, another technical solution used in the present invention is: provide a kind of ice cream maker, and ice cream maker is equipped with the refrigeration system according to above-mentioned fast precooling, for precooling ice-cream slurry.Wherein, ice cream maker comprises storing basin 11 and freezing jar 12, and precool heat exchanger part 3 shroud is in the outer wall of storing basin 11, and cooling heat exchange part 5 shroud is in the outer wall of freezing jar 12.Precool heat exchanger part 3, for the heat exchange between the ice-cream slurry in low-temp low-pressure liquid refrigerant and storing basin 11, makes ice-cream slurry lower the temperature less than 10 DEG C.
In the present invention, the quantity of precool heat exchanger part 3 and cooling heat exchange part 5 is one, two or more, respectively the storing basin 11 of corresponding equal number and freezing jar 12.Especially, in the present embodiment, precool heat exchanger part 3, storing basin 11, cooling heat exchange part 5 are two with the quantity of freezing jar 12.
In addition, in the present invention, precool heat exchanger part 3 is coil pipe, is preferably copper tube coil.Coil pipe 3 comprises many arms, especially, in the present embodiment, coil pipe 3 comprises eight arms, and four arms form the first arm group 301, first arm group 301 shroud in the outer wall of a storing basin 11, another four arms form the second arm group 302, second arm group 302 shroud, in the outer wall of another storing basin 11, wherein, is often organized arm and is all wound around four circles.
In the present invention, cooling heat exchange part 5 is Heat exchange jacekt, congeals to the ice-cream slurry in freezing jar 12 as evaporimeter.
In the present embodiment, compressor 1 is the compressor of two power, is preferably the safe or KK compressor (220V, 50Hz/60Hz) of France, adopts R22 or R404A refrigerant type.Condenser 2 is copper pipe fin type condenser, also can select micro-channel condenser, for high temperature and high pressure gaseous refrigerant is condensed into liquid refrigerant.The area of dissipation of condenser 2 is 15m
2.Device for drying and filtering 8 selects corresponding suitable types by flow, for carrying out dry filter to cold-producing medium.Expansion valve 7 is preferably Danfoss heating power expansion valve, for being low-temp low-pressure liquid refrigerant by liquid for HTHP cold-producing medium throttling.First control valve 4 and the second control valve 6 are the magnetic valve of open type, control the opening and closing of refrigerating circuit and pre-cold loop respectively.
The course of work of the refrigeration system of fast precooling of the present invention is as follows:
In the present embodiment, the flow direction of refrigerant in refrigerating circuit is: the low-pressure side of high-pressure side → condenser 2 → device for drying and filtering 8 → expansion valve 7 → the first control valve 4 → cooling heat exchange part 5 → compressor 1 of compressor 1, in refrigerating circuit, refrigerant continues to congeal refrigeration to the ice-cream slurry in freezing jar 12.
The flow direction of refrigerant in pre-cold loop is: the low-pressure side of high-pressure side → condenser 2 → device for drying and filtering 8 → expansion valve 7 → the second control valve 6 → precool heat exchanger part 3 → compressor 1 of compressor 1, in pre-cold loop, refrigerant continues to carry out precooling to the ice-cream slurry in storing basin 11.
When needing at short notice the ice-cream slurry in storing basin 11 to be dropped to suitable temperature, close the first control valve 4, make refrigerant without cooling heat exchange part 5, refrigerating circuit is closed, now, pre-cold loop is normally opened, compressor 1 carries out independent precooling by the ice-cream slurry in precool heat exchanger part 3 pairs of storing basins 11, owing to have employed powerful compressor, the outer wall of storing basin 11 is wound around many group coil pipe 3 arms in addition, increase effective contact area of heat exchange, thus substantially reduce pre-coo time, slurry in two storing basins 11 can be cooled to less than 10 DEG C opening precooling function key in 30 minutes.In the present embodiment, through test, in the high hot house of 38 DEG C of environment temperatures, the ice-cream slurry filling up storing basin 11 dropped to 9.5 DEG C in 35 minutes.After precooling is complete, close the second control valve 6, open the first control valve 4, the ice-cream slurry in freezing jar is congealed.
It is pointed out that in the present invention, precool heat exchanger part 3 can be also Heat exchange jacekt, can also be the big coils be coiled in by multiple storing basin 11 together, and to enforcement, the present invention does not produce substantial effect.
The refrigeration system of fast precooling of the present invention is in parallel with cooling heat exchange part and utilize single high-power compressor to carry out independent precooling to the slurry in storing basin by precool heat exchanger part, slurry in two feed basins can be cooled to less than 10 DEG C opening precooling function key in 30 minutes, thus greatly accelerate the precooling speed of ice-cream slurry, shorten pre-coo time.In addition, the present invention is wound around at the outer wall of storing basin and organizes brass pipe coil pipe more, and effective contact area of carrying out heat exchange between cold-producing medium and storing basin obviously increases, and increases the effective refrigerating capacity in the unit interval, thus effectively improve refrigerating efficiency, further shorten pre-coo time.The present invention has the features such as simple, the easy to operate and precooling effect of structure is good, substantially reduces the pre-coo time of ice-cream slurry in storing basin, both ensure that the cold storing and fresh-keeping of slurry, significantly shorten again the cake time processed, add ice-cream output.
The foregoing is only embodiments of the invention; not thereby the scope of the claims of the present invention is limited; every utilize description of the present invention and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (10)
1. the refrigeration system of a fast precooling, it is characterized in that, comprise compressor, condenser, precool heat exchanger part, the first control valve, cooling heat exchange part, the second control valve, expansion valve and device for drying and filtering, described compressor is connected successively with described condenser, described device for drying and filtering, described expansion valve, described first control valve and described cooling heat exchange part, forms the refrigerating circuit of closed circulation; Described compressor is connected successively with described condenser, described device for drying and filtering, described expansion valve, described second control valve and described precool heat exchanger part, forms the pre-cold loop of closed circulation; Wherein, the arrival end of described cooling heat exchange part is connected with the port of export of described expansion valve through described first control valve, and the arrival end of described precool heat exchanger part is connected with the port of export of described expansion valve through described second control valve; The port of export of described cooling heat exchange part and the port of export of described precool heat exchanger part are all connected with the low-pressure side of described compressor.
2. a kind of refrigeration system according to claim 1, is characterized in that, described precool heat exchanger part is coil pipe.
3. a kind of refrigeration system according to claim 2, is characterized in that, described coil pipe comprises many arms, and arm described in every root is wound around four circles.
4. a kind of refrigeration system according to claim 1, is characterized in that, described precool heat exchanger part is Heat exchange jacekt.
5. a kind of refrigeration system according to claim 3 or 4, is characterized in that, described compressor is the compressor of two power.
6. a kind of refrigeration system according to claim 3 or 4, is characterized in that, the area of dissipation of described condenser is 15m
2.
7. a kind of refrigeration system according to claim 3 or 4, is characterized in that, the quantity of described precool heat exchanger part and described cooling heat exchange part is one, two or more.
8. a kind of refrigeration system according to claim 1; it is characterized in that; described refrigeration system comprises high voltage protective switch and low-voltage protective switch further, and the high-pressure side of described compressor is located at by described high voltage protective switch, and described low-voltage protective switch is located at the low-pressure side of described compressor.
9. an ice cream maker, is characterized in that, described ice cream maker is equipped with the refrigeration system of the fast precooling according to any one of claim 1-8.
10. ice cream maker according to claim 9, is characterized in that, described ice cream maker comprises storing basin and freezing jar, and described precool heat exchanger part shroud is in the outer wall of described storing basin, and described cooling heat exchange part shroud is in the outer wall of described freezing jar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201410310653.XA CN105318655A (en) | 2014-07-01 | 2014-07-01 | Refrigeration system capable of achieving quick precooling and ice cream machine |
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| CN201410310653.XA CN105318655A (en) | 2014-07-01 | 2014-07-01 | Refrigeration system capable of achieving quick precooling and ice cream machine |
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| CN105318655A true CN105318655A (en) | 2016-02-10 |
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Cited By (2)
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| CN109099608A (en) * | 2018-08-31 | 2018-12-28 | 江门市新会区康美制品有限公司 | A kind of refrigerating system of ice cream maker |
| CN110692798A (en) * | 2019-11-08 | 2020-01-17 | 天津市特斯达食品机械科技有限公司 | Intelligent ice cream aging and freezing integrated machine |
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| CN204006957U (en) * | 2014-07-01 | 2014-12-10 | 深圳海川生态食品科技有限公司 | A kind of refrigeration system of fast precooling and ice cream maker |
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2014
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| CN1394487A (en) * | 2002-07-31 | 2003-02-05 | 钟万臣 | Peach fruit storage device and method by water logging method |
| CN1586265A (en) * | 2004-10-20 | 2005-03-02 | 进洋食品机械（昆山）有限公司 | Full automatic quick refrigerating and defrosting ice cream machine |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109099608A (en) * | 2018-08-31 | 2018-12-28 | 江门市新会区康美制品有限公司 | A kind of refrigerating system of ice cream maker |
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Application publication date: 20160210 |