CN202119164U - Water cooling heat exchanger and ice cream machine assembled with same - Google Patents
Water cooling heat exchanger and ice cream machine assembled with same Download PDFInfo
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- CN202119164U CN202119164U CN2011200751479U CN201120075147U CN202119164U CN 202119164 U CN202119164 U CN 202119164U CN 2011200751479 U CN2011200751479 U CN 2011200751479U CN 201120075147 U CN201120075147 U CN 201120075147U CN 202119164 U CN202119164 U CN 202119164U
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Abstract
A water cooling heat exchanger and an ice cream machine assembled with the same particularly belong to freezing equipment and relate to the water cooling heat exchanger and the ice cream machine assembled with the water cooling heat exchanger. The water cooling heat exchanger comprises an inner coil pipe and an outer coil pipe, and the inner coil pipe is connected in series in a working substance circulating loop of a heat pump system of the ice cream machine. The water cooling heat exchanger is connected with a condensation pressure controller, a main channel of the condensation pressure controller is connected with the outer coil pipe in series in a water cooling loop of the ice cream machine, the pressure sensing end of the condensation pressure controller is connected onto the working substance circulating loop of the heat pump system of the ice cream machine, and the condensation pressure controller changes the opening degree of the main pump through the pressure sensed by the pressure sensing end to change the quantity of water flowing through the outer coil pipe. The water cooling heat exchanger has the advantages that the condensation pressure controller automatically adjusts and controls flowing quantity of cooling water, is capable of stabilizing working conditions of the heat pump system and achieving the aim of low water consumption and high efficiency, thereby being suitable for various kinds of ice cream machines, snow melting machines, ice water machines and ice lolly machines.
Description
Technical field
The utility model belongs to freezing equipment, and particularly a kind of water cooling heat exchanger and device have the ice cream maker of this water cooling heat exchanger.
Background technology
Common ice cream mixer is lowered the temperature to the mixing drum that holds ice cream materials through refrigeration system and is produced ice cream, perhaps through heat-pump-type heat/refrigeration system adds gentle cooling to mixing drum and produces the ice cream through sterilization.The heat exchanger of prior art ice cream mixer uses air-cooled mode to dispel the heat mostly, and there is following shortcoming in this radiating mode: the one, and influenced by ambient temperature big, the season heat exchange efficiency high at temperature is lower; The 2nd, the hot blast of producing by boasting from heat exchanger is bigger to the ice cream maker surrounding environment influence; There is a kind of heat exchanger of ice cream mixer to use the mode of water-cooled to dispel the heat; The water that has absorbed heat is got to another cooling tower cooling recirculation use later on water pump; The heat exchange effect of this ice cream maker is better, but has increased the installation difficulty and the investment of equipment.These weak points of prior art have much room for improvement.
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Summary of the invention
The purpose of the utility model provides a kind of water cooling heat exchanger with automatic regulatory function, and it need not dispose cooling tower and carry out work; Provide simultaneously and dispose can heating up and lowering the temperature of this water cooling heat exchanger, during intensification ice cream materials is carried out pasteurization, during cooling ice cream materials is carried out freezing water-cooled ice cream maker.
The water cooling heat exchanger of the utility model comprises inner coil pipe and outer coil pipe, and inner coil pipe is serially connected in the working medium closed circuit of ice cream maker heat pump; It is characterized in that water cooling heat exchanger is connected with a condensing pressure controller; The main channel of this condensing pressure controller is serially connected in the chilled(cooling) water return (CWR) of ice cream maker with outer coil pipe; The pressure sensitive end of this condensing pressure controller is connected on the working medium closed circuit of ice cream maker heat pump, thereby the open degree of the pressure change main channel that the condensing pressure controller is experienced according to the pressure sensitive end changes the discharge that flows through outer coil pipe.
The pressure sensitive end of condensing pressure controller is connected to a mouth of pipe of the inner coil pipe of water cooling heat exchanger.
A kind of ice cream maker that makes up with the water cooling heat exchanger of the utility model comprises accumulator, mixing drum, compressor, four-way change-over valve, capillary, device for drying and filtering, first bidirectional electromagnetic valve, second bidirectional electromagnetic valve, first check valve and second check valve; Accumulator and mixing drum all are equipped with heat exchange cover, two water cooling heat exchangers and chilled(cooling) water return (CWR), and two water cooling heat exchangers are respectively first water cooling heat exchanger and second water cooling heat exchanger, and the chilled(cooling) water return (CWR) comprises water inlet pipe and drainpipe; The high-pressure mouth P of four-way change-over valve is connected to the high-pressure side of compressor, and the low pressure port S of four-way change-over valve is connected to the low-pressure side of compressor; The first switching port C of four-way change-over valve is connected to A port capillaceous after being connected in series inner coil pipe and the device for drying and filtering of first water cooling heat exchanger; B port capillaceous is connected to the V1 mouth of first bidirectional electromagnetic valve and the V1 mouth of second bidirectional electromagnetic valve after forward being connected in series first check valve simultaneously, and the V2 mouth of first bidirectional electromagnetic valve and the V2 mouth of second bidirectional electromagnetic valve are contacted respectively and together be connected to the first switching port E of four-way change-over valve behind the heat exchange cover that connects accumulator and mixing drum; From the tie point of first check valve and the first bidirectional electromagnetic valve V1 mouth and the second bidirectional electromagnetic valve V1 mouth, through the inner coil pipe of second water cooling heat exchanger and forward the serial connection second check valve after be connected to B port capillaceous; The outer coil pipe of first water cooling heat exchanger is connected across between water inlet pipe and the drainpipe after being connected in series the main channel of the first condensing pressure controller, and the outer coil pipe of second water cooling heat exchanger is connected across between water inlet pipe and the drainpipe after being connected in series the main channel of the second condensing pressure controller; The pressure sensitive end of the first condensing pressure controller is connected to A port capillaceous, and the pressure sensitive end of the second condensing pressure controller is connected to the tie point of the second water cooling heat exchanger inner coil pipe and second check valve; The two ends, main channel that also have an electric two-way valve and a gate valve polyphone back and receive the first condensing pressure controller.
The another kind of ice cream maker that makes up with the water cooling heat exchanger of the utility model comprises two accumulator, two mixing drums, cover cooling/heating systems, a cover or two cover refrigeration systems; The heat exchange cover is arranged on the accumulator, the heat exchange cover and the second heat exchange cover are arranged on each mixing drum; Heat exchange cover on two accumulator is parallel with one another, and the heat exchange cover on two mixing drums is parallel with one another.
Cooling/heating system comprises first water cooling heat exchanger, second water cooling heat exchanger, the first condensing pressure controller, the second condensing pressure controller, chilled(cooling) water return (CWR), compressor, four-way change-over valve, capillary, device for drying and filtering, first check valve, second check valve, the 3rd check valve and the 4th check valve; Heat exchange cover on the accumulator and the cover of the heat exchange on the mixing drum also connect; The high-pressure mouth P of four-way change-over valve is connected to the high-pressure side of compressor, and the low pressure port S of four-way change-over valve is connected to the low-pressure side of compressor; The first switching port C of four-way change-over valve is connected to capillary A port after being connected in series inner coil pipe and the device for drying and filtering of first water cooling heat exchanger, B port capillaceous forward be connected in series first check valve oppositely be connected in series again be connected to two mixing drum heat exchange covers behind second check valve and contact; The tie point of first check valve and second check valve is connected to the also contact of two accumulator heat exchange covers simultaneously; Another of two accumulator heat exchange covers and contact are connected to the first switching port E of cross valve; Another of two mixing drum heat exchange covers and contact also are connected to the first switching port E of cross valve; From the tie point of first check valve and second check valve, through the inner coil pipe of second water cooling heat exchanger and forward the serial connection the 3rd check valve after tie point B port capillaceous; The outer coil pipe of first water cooling heat exchanger is connected across between the water inlet pipe and drainpipe of chilled(cooling) water return (CWR) after being connected in series the main channel of the first condensing pressure controller, and the outer coil pipe of second water cooling heat exchanger also is connected across between the water inlet pipe and drainpipe of chilled(cooling) water return (CWR) after being connected in series the main channel of the second condensing pressure controller; The pressure sensitive end of the first condensing pressure controller is connected to A port capillaceous, and the pressure sensitive end of the second condensing pressure controller is connected to the tie point of the second water cooling heat exchanger inner coil pipe and the 3rd check valve; The two ends, main channel that also have an electric two-way valve and a gate valve polyphone back and receive the first condensing pressure controller.
Every cover refrigeration system comprises one the 3rd water cooling heat exchanger, the 3rd condensing pressure controller, with shared chilled(cooling) water return (CWR), second compressor, second device for drying and filtering, the expansion valve of cooling/heating system be positioned at the second heat exchange cover on one or two mixing drum; The high-pressure side of second compressor is connected in series the low-pressure side that is connected to second compressor behind inner coil pipe, second device for drying and filtering, expansion valve and second heat exchange cover of the 3rd water cooling heat exchanger successively; The pressure sensitive end of the 3rd condensing pressure controller is connected to the tie point of second device for drying and filtering and second device for drying and filtering; The outer coil pipe of the 3rd water cooling heat exchanger is connected across between the water inlet pipe and drainpipe of chilled(cooling) water return (CWR) after being connected in series the main channel of the 3rd condensing pressure controller.
The advantage of the utility model is to utilize the municipal tap water water cooling heat exchanger of flowing through to carry out heat exchange, the flow of the automatic regulatory function control cooling water through the condensing pressure controller, and the operating mode of steady heat pumping system realizes low water consumption high efficiency better.
Description of drawings
Fig. 1 is the structural representation of the water cooling heat exchanger of the utility model;
Fig. 2 is the structural representation of the embodiment 1 of the utility model;
Fig. 3 is the structural representation of the embodiment 2 of the utility model;
Fig. 4 is the structural representation of the embodiment 3 of the utility model;
Fig. 5 is the structural representation of the embodiment 4 of the utility model.
The specific embodiment
Below in conjunction with embodiment and accompanying drawing the utility model is carried out further detailed explanation.
Referring to Fig. 1; The water cooling heat exchanger of the utility model has inner coil pipe 12 made of copper and stainless steel or outer coil pipe 13 made of copper; Respectively there is the interface 34 that crosses out at two of outer coil pipe 13; Refrigeration working medium flows in inner coil pipe 12 the insides, and water coil pipe 13 the insides outside flows, and refrigeration working medium and water carry out heat exchange; There is discharging valve 20 position that outer coil pipe 13 is in the bottom.Water cooling heat exchanger cooperates a condensing pressure controller 35 to carry out work; The main channel of this condensing pressure controller 35 is serially connected in the chilled(cooling) water return (CWR) of ice cream maker with outer coil pipe 13; The pressure sensitive end 37 of this condensing pressure controller 35 is connected on the working medium closed circuit of ice cream maker heat pump, thereby the open degree of the pressure change main channel that condensing pressure controller 35 is experienced according to pressure sensitive end 37 changes the discharge that flows through outer coil pipe.
Referring to Fig. 2, embodiment 1 has accumulator 1 that the traditional ice cream mixer had and mixing drum 2, compressor 3, four-way change-over valve 4, capillary 5, device for drying and filtering 6, first bidirectional electromagnetic valve 7, second bidirectional electromagnetic valve 27, first check valve 8 and second check valve 28; Accumulator 1 and mixing drum 2 all are equipped with the heat exchange cover or carry out heat exchange with the coil pipe of copper pipe coiling, and heat exchange cover 19 is housed in the embodiment of the utility model, and it is closed chambers that air inlet/outlet is arranged that heat exchange overlaps 19.
Embodiment 1 also has two water cooling heat exchangers, two condensing pressure controller and chilled(cooling) water return (CWR)s that the hydrous water cold heat exchanger is worked together; Two water cooling heat exchangers are respectively first water cooling heat exchanger 9 and second water cooling heat exchanger 29; Two condensing pressure controllers are respectively the first condensing pressure controller 16 and the second condensing pressure controller 26, and the chilled(cooling) water return (CWR) comprises the water inlet pipe 14 and open drainpipe 15 that is connected to the municipal tap water pipe.
The high-pressure mouth P of four-way change-over valve 4 is connected to the high-pressure side 10 of compressor 3, and the low pressure port S of four-way change-over valve 4 is connected to the low-pressure side 11 of compressor 3; Be connected to the A port of capillary 5 behind the inner coil pipe 12 that the first switching-over mouthful C of four-way change-over valve 4 is connected in series first water cooling heat exchanger 9 and the device for drying and filtering 6; The B port of capillary 5 is connected to the V1 mouth of first bidirectional electromagnetic valve 7 and the V1 mouth of second bidirectional electromagnetic valve 27 after forward being connected in series first check valve 8 simultaneously, and the V2 mouth of the V2 mouth of first bidirectional electromagnetic valve 7 and second bidirectional electromagnetic valve 27 is contacted respectively and together is connected to second a switching-over mouthful E of cross valve 4 behind the heat exchange cover 19 of the heat exchange cover 19 that connects accumulator 1 and mixing drum 2; From the tie point of the V1 mouth of the V1 mouth of first check valve 8 and first bidirectional electromagnetic valve 7 and second bidirectional electromagnetic valve 27, through the inner coil pipe 12 of second water cooling heat exchanger 29 with forward be connected to the B port of capillary 5 behind second check valve 28 of serial connection; Be connected across between water inlet pipe 14 and the drainpipe 15 behind the main channel of the outer coil pipe 13 serial connections first condensing pressure controller 16 of first water cooling heat exchanger 9, be connected across between water inlet pipe 14 and the drainpipe 15 behind the main channel of the outer coil pipe 13 serial connections second condensing pressure controller 26 of second water cooling heat exchanger 29; The pressure sensitive end of the first condensing pressure controller 16 is connected to the A port of capillary 5, and the pressure sensitive end of the second condensing pressure controller 26 is connected to the tie point of second water cooling heat exchanger, 29 inner coil pipes 12 and second check valve 28; The two ends, main channel that also have an electric two-way valve 18 a serial connections gate valve 40 backs in addition and receive the first condensing pressure controller 16.
Compressor 3, capillary 5, device for drying and filtering 6, four-way change-over valve 4, check valve 10, first check valve 8, second check valve 28, first bidirectional electromagnetic valve 7, second bidirectional electromagnetic valve 27, first water cooling heat exchanger 9, second water cooling heat exchanger 29, the first condensing pressure controller 16, the second condensing pressure controller 26 and shroud have been formed the two warm work systems of a cover heat-pump-type at the heat exchange cover 19 of accumulator 1 and agitator 2 outsides.
When four-way change-over valve 4 moved with bidirectional electromagnetic valve 7, the high-pressure mouth P of four-way change-over valve 4 and second a switching-over mouthful E communicated, and the low pressure port S of four-way change-over valve 4 and first a switching-over mouthful C communicate; Working medium flows back to the low-pressure side 11 of compressor 3 from high-pressure side 10 starting flows of compressor 3 through the inner coil pipe 12 of the inner coil pipe of the heat exchange cover 19 of accumulator 1, bidirectional electromagnetic valve 7, the second condensing pressure controller 26 12, second check valve 28, capillary 5, device for drying and filtering 6, first water cooling heat exchanger 9 again from the first switching-over mouthful C of four-way change-over valve 4; This moment, the heat exchange cover 12 of accumulator 1 used as condenser; First water cooling heat exchanger, 9 evaporimeters use; Second water cooling heat exchanger 29 uses as subcooler; Whole circulation system is in heating condition, and accumulator 1 is heated up.When the temperature of accumulator 1 arrives 80 ° of C and kept 1 minute, or arrive 65 ° of C and kept 30 minutes when the temperature of accumulator 1, can accomplish the pasteurization operation the ice cream materials in the accumulator 1.
The pressure sensitive end of the second condensing pressure controller 26 changes the aperture of its main channel according to the outlet pressure of second water cooling heat exchanger, 29 inner coil pipes 12; The discharge of second water cooling heat exchanger, 29 outer coil pipes 13 is flow through in increase and decrease in real time, reaches the purpose of constant system operating mode.When the circulatory system was in heating condition, the first condensing pressure controller 16 was not worked, and at this moment electric two-way valve 18 is opened, can be through the aperture control discharge of adjustment gate valve 40, to satisfy the heat exchange requirement of first water cooling heat exchanger 9.
When four-way change-over valve 4 and electric two-way valve 18 are failure to actuate; The high-pressure mouth P of four-way change-over valve 4 communicates with first a switching-over mouthful C; The low pressure port S of four-way change-over valve 4 communicates with second a switching-over mouthful E; Working medium gets into the heat exchange cover 19 of accumulator 1 or gets into the heat exchange cover 19 of mixing drum 2 through the inner coil pipe 12 of first a switching-over mouthful C of four-way change-over valve 4, first water cooling heat exchanger 9, device for drying and filtering 6, capillary 5, first check valve 8, first bidirectional electromagnetic valve 7 and second bidirectional electromagnetic valve 27 from high-pressure side 10 starting flow of compressor 3; Heat exchange cover 19 uses as evaporimeter in this case, and first water cooling heat exchanger 9 uses as condenser, and whole circulation system is in cooling condition; The situation of opening according to the bidirectional electromagnetic valve 7 and second bidirectional electromagnetic valve 27 can make accumulator 1 or mixing drum 2 coolings separately, and both are lowered the temperature simultaneously.When opening bidirectional electromagnetic valve 7 separately to being cooled in advance near 0 ° of C through the ice cream materials of pasteurization in the accumulator 1, for be transported to mixing drum 2 further processing prepare; When opening bidirectional electromagnetic valve 27 separately the ice cream materials in the mixing drum 2 is lowered the temperature again, produce finished ice cream; Accumulator 1 was lowered the temperature with mixing drum 2 together when the bidirectional electromagnetic valve 7 and second bidirectional electromagnetic valve 27 were opened simultaneously, was fit to the quantity-produced situation.
The pressure sensitive end of the first condensing pressure controller 16 is according to the aperture of its main channel of outlet pressure change of first water cooling heat exchanger, 9 inner coil pipes 12, and the discharge of first water cooling heat exchanger, 9 outer coil pipes 13 is flow through in increase and decrease in real time, reaches the purpose of constant system operating mode.
Pressure switch 25 and pressure release needle-valve 30 also are installed on the high-pressure side pipeline of the compressor 3 of embodiment 1, and these two devices carry out monitoring and protection to the outlet pressure of compressor.Embodiment 1 also has a hot gas bypass valve 17 and one the 3rd check valve 38; Be connected across after hot gas bypass valve 17 and the 3rd check valve 38 forward are connected in series between the tie point of inner coil pipe 12 and device for drying and filtering 6 of high-pressure side and first water cooling heat exchanger 9 of compressor 3, play the effect of inner coil pipe 12 outlet pressures of constant first water cooling heat exchanger 9.
Referring to Fig. 3, embodiment 2 is that with the difference of embodiment 1 accumulator 1 has two, and mixing drum 2 also has two; The heat exchange of two accumulator 1 cover 19 can connected with each other or serial connection, and 19 connected with each other or serial connections are overlapped in the heat exchange of two mixing drums 2; In Fig. 3, the heat exchange of two accumulator 1 cover 19 also connects, and the heat exchange cover 19 of two mixing drums 2 is not the person yet and connects.
Referring to Fig. 4, the difference of embodiment 3 and embodiment 2 is that the water-cooled ice cream maker also has second compressor 23, expansion valve 32, the 3rd water cooling heat exchanger 39, the 3rd condensing pressure controller 36 and is positioned at second heat exchange cover 31 on the mixing drum 2; Second compressor 23, expansion valve 32, the 3rd water cooling heat exchanger 39, the 3rd condensing pressure controller 36 and second heat exchange cover 31 are formed a cover and are strengthened refrigeration system; The high-pressure side 10 of second compressor 23 is connected in series the low-pressure side 11 that is connected to second compressor 23 behind inner coil pipe 12, expansion valve 32 and second heat exchange cover 31 on two agitators 2 of the 3rd water cooling heat exchanger 39 successively; The pressure sensitive end of the 3rd condensing pressure controller 36 is connected to the tie point of the 3rd water cooling heat exchanger 39 inner coil pipes 12 and expansion valve 32; Be connected across between the water inlet pipe 14 and drainpipe 15 of chilled(cooling) water return (CWR) behind the main channel of outer coil pipe 13 serial connections the 3rd condensing pressure controller 36 of the 3rd water cooling heat exchanger 39.
In addition, first bidirectional electromagnetic valve and second bidirectional electromagnetic valve that the cooling/heating system of embodiment 3 does not have embodiment 1 to be installed have correspondingly used a check valve more.Referring to Fig. 4: the B port of capillary 5 forward be connected in series be connected to two accumulator 1 heat exchange covers 19 behind first check valve 8 and contact, another of two accumulator 1 heat exchange covers 19 and contact are connected to second a switching-over mouthful E of four-way change-over valve 4; Heat exchange cover 19 another and the interface that the second switching-over mouthful E is connected to two mixing drums 2,19, two mixing drums 2 of heat exchange cover connected with each other simultaneously forward is connected in series and is connected to first check valve 8 behind second check valve 28 and overlaps 19 tie point with two accumulator 1 heat exchange; From the tie point of first check valve 8 and second check valve 28, through the inner coil pipe 12 of second water cooling heat exchanger 29 with forward be connected to the B port of capillary 5 behind the 3rd check valve 38 of serial connection.Make like this cooling/heating system following of refrigerating state to the accumulator cooling, under the state of heating simultaneously to accumulator and mixing drum intensification.The same with embodiment 1; The two ends, main channel that also have an electric two-way valve 18 a serial connections gate valve 40 backs and receive the first condensing pressure controller 16; Through the aperture control discharge of adjustment gate valve 40, the heat exchange requirement of first water cooling heat exchanger 9 when satisfying heating condition.
Referring to Fig. 5, embodiment 4 has disposed the identical refrigeration system of two covers on the basis of embodiment 3 structures, and they are connected respectively to second heat exchange cover 31 of two mixing drums 2, mixing drum of promptly every cover refrigeration system burden.Two cover refrigeration systems reach alternately through circuit control or work simultaneously, have improved the effect and the flexibility of ice cream maker greatly.
Claims (5)
1. a water cooling heat exchanger comprises inner coil pipe (12) and outer coil pipe (13), and inner coil pipe (12) is serially connected in the working medium closed circuit of ice cream maker heat pump; It is characterized in that: said water cooling heat exchanger is connected with a condensing pressure controller (35); The main channel of this condensing pressure controller (35) is serially connected in the chilled(cooling) water return (CWR) of ice cream maker with outer coil pipe (13); The pressure sensitive end (34) of this condensing pressure controller is connected on the working medium closed circuit of ice cream maker heat pump, the condensing pressure controller according to pressure sensitive end (37) thus the aperture of the pressure change main channel of being experienced changes the discharge flow through outer coil pipe.
2. according to the described water cooling heat exchanger of claim 1, it is characterized in that: the pressure sensitive end (37) of said condensing pressure controller (35) is connected to a mouth of pipe of the inner coil pipe (12) of water cooling heat exchanger.
3. an ice cream maker that disposes the described water cooling heat exchanger of claim 1 comprises accumulator (1), mixing drum (2), compressor (3), four-way change-over valve (4), capillary (5), device for drying and filtering (6), first bidirectional electromagnetic valve (7), second bidirectional electromagnetic valve (27), first check valve (8) and second check valve (28); Accumulator (1) and mixing drum (2) all are equipped with heat exchange cover (19);
It is characterized in that: it has two water cooling heat exchangers and chilled(cooling) water return (CWR), and two water cooling heat exchangers are respectively first water cooling heat exchanger (9) and second water cooling heat exchanger (29), and the chilled(cooling) water return (CWR) comprises water inlet pipe (14) and drainpipe (15); The high-pressure mouth P of said four-way change-over valve (4) is connected to the high-pressure side (10) of said compressor (3), and the low pressure port S of four-way change-over valve (4) is connected to the low-pressure side (11) of compressor (3); The first switching port C of four-way change-over valve (4) is connected in series the A port that is connected to capillary (5) behind inner coil pipe (12) and the device for drying and filtering (6) of first water cooling heat exchanger (9); The B port of capillary (5) is connected to the V1 mouth of first bidirectional electromagnetic valve (7) and the V1 mouth of second bidirectional electromagnetic valve (27) after forward being connected in series first check valve (8) simultaneously, and the V2 mouth of the V2 mouth of first bidirectional electromagnetic valve (7) and second bidirectional electromagnetic valve (27) is contacted respectively and together is connected to the first switching port E of four-way change-over valve (4) behind the heat exchange cover (19) that connects accumulator (1) and mixing drum (2); From the tie point of first check valve (8) and first bidirectional electromagnetic valve (7) V1 mouth and second bidirectional electromagnetic valve (27) V1 mouth, through being connected to the B port of capillary (5) behind the inner coil pipe (12) of second water cooling heat exchanger (29) and second check valve (28) that forward is connected in series; Be connected across between water inlet pipe (14) and the drainpipe (15) behind the main channel of outer coil pipe (13) the serial connection first condensing pressure controller (16) of first water cooling heat exchanger (9), be connected across between water inlet pipe (14) and the drainpipe (15) behind the main channel of the outer coil pipe (13) of second water cooling heat exchanger (29) the serial connection second condensing pressure controller (26); The pressure sensitive end of the first condensing pressure controller (16) is connected to the A port of capillary (5), and the pressure sensitive end of the second condensing pressure controller (26) is connected to the tie point of second water cooling heat exchanger (29) inner coil pipe (12) and second check valve (28); The two ends, main channel that also have an electric two-way valve (18) and a gate valve (40) to contact the back and receive the first condensing pressure controller (16).
4. according to the described ice cream maker of claim 3; It is characterized in that: this ice cream maker also comprises a hot gas bypass valve (17) and one the 3rd check valve (38), is connected across after hot gas bypass valve (17) and the 3rd check valve (38) forward are connected in series between the tie point of inner coil pipe (12) and device for drying and filtering (6) of high-pressure side and first water cooling heat exchanger (9) of compressor (3).
5. an ice cream maker that disposes the described water cooling heat exchanger of claim 1 comprises two accumulator (1), two mixing drums (2), a cover cooling/heating system, a cover or two cover refrigeration systems; Heat exchange cover (19) is arranged on the accumulator (1), the heat exchange cover (19) and the second heat exchange cover (31) are arranged on each mixing drum (2); Heat exchange cover (19) on two accumulator (1) is parallel with one another, and the heat exchange cover (19) on two mixing drums (2) is parallel with one another;
It is characterized in that: cooling/heating system comprises first water cooling heat exchanger (9), second water cooling heat exchanger (29), the first condensing pressure controller (16), the second condensing pressure controller (26), chilled(cooling) water return (CWR), compressor (3), four-way change-over valve (4), capillary (5), device for drying and filtering (6), first check valve (8), second check valve (28), the 3rd check valve (38) and the 4th check valve (48); Heat exchange cover (19) on heat exchange cover (19) on the accumulator (1) and the mixing drum (2) also connects; The high-pressure mouth P of four-way change-over valve (4) is connected to the high-pressure side (10) of compressor (3), and the low pressure port S of four-way change-over valve (4) is connected to the low-pressure side (11) of compressor (3); The first switching port C of four-way change-over valve (4) is connected to capillary (5) A port after being connected in series inner coil pipe (12) and the device for drying and filtering (6) of first water cooling heat exchanger (9), the B port of capillary (5) forward be connected in series first check valve (8) oppositely be connected in series again be connected to two mixing drums (2) heat exchange covers (19) behind second check valve (28) and contact; The tie point of first check valve (8) and second check valve (28) is connected to the also contact of two accumulator (1) heat exchange covers (19) simultaneously; Another of two accumulator (1) heat exchange covers (19) and contact are connected to the first switching port E of cross valve (4); Another of two mixing drums (2) heat exchange covers (19) and contact also are connected to the first switching port E of cross valve (4); From the tie point of first check valve (8) and second check valve (28), through the inner coil pipe (12) of second water cooling heat exchanger (29) and the B port of the 3rd check valve (38) the back tie point capillary (5) of serial connection forward; Be connected across between the water inlet pipe (14) and drainpipe (15) of chilled(cooling) water return (CWR) behind the main channel of outer coil pipe (13) the serial connection first condensing pressure controller (16) of first water cooling heat exchanger (9), also be connected across between the water inlet pipe (14) and drainpipe (15) of chilled(cooling) water return (CWR) behind the main channel of the outer coil pipe (13) of second water cooling heat exchanger (29) the serial connection second condensing pressure controller (26); The pressure sensitive end of the first condensing pressure controller (16) is connected to the A port of capillary (5), and the pressure sensitive end of the second condensing pressure controller (26) is connected to the tie point of second water cooling heat exchanger (29) inner coil pipe (12) and the 3rd check valve (38); The two ends, main channel that also have an electric two-way valve (18) and a gate valve (40) to contact the back and receive the first condensing pressure controller (16);
Every cover refrigeration system comprises one the 3rd water cooling heat exchanger (39), the 3rd condensing pressure controller (36), with shared chilled(cooling) water return (CWR), second compressor (23), second device for drying and filtering (24), the expansion valve (32) of cooling/heating system be positioned at the second heat exchange cover (31) on the mixing drum (2); The high-pressure side (10) of second compressor (23) is connected in series the low-pressure side (11) that is connected to second compressor (23) behind inner coil pipe (12), second device for drying and filtering (24), expansion valve (32) and the second heat exchange cover (31) of the 3rd water cooling heat exchanger (39) successively; The pressure sensitive end of the 3rd condensing pressure controller (36) is connected to the tie point of second device for drying and filtering (24) and second device for drying and filtering (24); Be connected across between the water inlet pipe (14) and drainpipe (15) of chilled(cooling) water return (CWR) behind the main channel of outer coil pipe (13) serial connection the 3rd condensing pressure controller (36) of the 3rd water cooling heat exchanger (39).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200751479U CN202119164U (en) | 2011-03-21 | 2011-03-21 | Water cooling heat exchanger and ice cream machine assembled with same |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011200751479U CN202119164U (en) | 2011-03-21 | 2011-03-21 | Water cooling heat exchanger and ice cream machine assembled with same |
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| CN202119164U true CN202119164U (en) | 2012-01-18 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102692098A (en) * | 2011-03-21 | 2012-09-26 | 江门市新会区康美制品有限公司 | Water cooling heat exchanger and ice cream machine equipped with same |
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2011
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102692098A (en) * | 2011-03-21 | 2012-09-26 | 江门市新会区康美制品有限公司 | Water cooling heat exchanger and ice cream machine equipped with same |
| CN102692098B (en) * | 2011-03-21 | 2014-12-10 | 江门市新会区康美制品有限公司 | Water cooling heat exchanger and ice cream machine equipped with same |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20120118 Effective date of abandoning: 20141210 |
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| RGAV | Abandon patent right to avoid regrant |