CN213178882U - Water chiller device - Google Patents
Water chiller device Download PDFInfo
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- CN213178882U CN213178882U CN202022012649.9U CN202022012649U CN213178882U CN 213178882 U CN213178882 U CN 213178882U CN 202022012649 U CN202022012649 U CN 202022012649U CN 213178882 U CN213178882 U CN 213178882U
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Abstract
The embodiment of the utility model discloses ice and water machine device relates to ice and water machine equipment technical field. The ice water machine device comprises a refrigerant refrigeration system, a cooling water system, a chilled water system and a central control system, wherein the cooling water system is connected with the refrigerant refrigeration system, and the refrigerant refrigeration system is connected with the chilled water system; the refrigerant refrigerating system comprises a condenser, a primary compressor and a secondary compressor, wherein the primary compressor and the secondary compressor are connected with the condenser in parallel, a gas-liquid separator and an oil separator are connected at two ends of the primary compressor in series, the condenser is further connected with a liquid storage device and a plate-changing evaporator, and the plate-changing evaporator is further connected with a shell-and-tube evaporator and a coil evaporator in series.
Description
Technical Field
The utility model relates to an ice water machine equipment technical field, in particular to can realize that big difference in temperature once only circulates directly to prepare ice water machine device of 0.5 degrees centigrade frozen water.
Background
At present, ice water with the temperature of about 1 ℃ is prepared in a continuous circulation cooling mode on the market, the technical difficulty is mainly the problems of icing and ice blockage of a heat exchanger and difficult oil return of a compressor, and some manufacturers research and develop a 2 ℃ ammonia water-separating cooling unit, but the system is huge, the energy-saving effect is poor, the energy loss of pipelines is large, and the safety is poor. The existing method for directly preparing ice water at 0.5 ℃ in a one-time circulating manner cannot be realized.
SUMMERY OF THE UTILITY MODEL
In view of this, an object of the embodiment of the present invention is to provide an ice water machine device to solve the above-mentioned problems that the existing ice water machine device has poor energy saving effect, is bulky in system and cannot prepare ice water at one time.
The utility model provides an above-mentioned technical problem adopted technical scheme as follows:
according to an aspect of an embodiment of the present invention, there is provided an ice water machine device, including a refrigerant refrigeration system, a cooling water system, a chilled water system, and a central control system, wherein the cooling water system is connected to the refrigerant refrigeration system, and the refrigerant refrigeration system is connected to the chilled water system; the refrigerant refrigeration system, the cooling water system and the chilled water system are respectively in control connection with the central control system;
the refrigerant refrigeration system comprises a condenser, a primary compressor and a secondary compressor, wherein the primary compressor and the secondary compressor are connected with the condenser in parallel, a gas-liquid separator and an oil separator are connected with two ends of the primary compressor in series, the condenser is also connected with a liquid reservoir and a plate-exchange evaporator, and the plate-exchange evaporator is connected with a shell-and-tube evaporator and a coil evaporator in series.
The shell-and-tube evaporator and the coil evaporator are respectively connected to the liquid reservoir through an electromagnetic valve and a dry filter.
The shell-and-tube evaporator and the coil evaporator are respectively connected with the gas-liquid separator through an evaporation pressure regulating valve.
The refrigerant refrigerating system further comprises an oil cooler, and the oil cooler is arranged and connected between the oil separator and the condenser.
The refrigerant refrigeration system also comprises a refrigerant, and the refrigerant is arranged in the primary compressor and the secondary compressor.
Wherein, the refrigerant adopts any one of R134a, R407C and R404A.
Wherein, cooling water system includes condenser fan, cooling water supply water pump, cold water tank valve, the cooling water supply water pump passes through cold water tank valve connects the cold water jar, the condenser fan sets up in the condenser.
The chilled water system comprises a chilled circulating water pump, an ice water supply pump, an ice water tank valve and an ice water tank; the refrigeration circulating water pump is connected with the cold water tank valve, and water entering from the cooling water supply pump passes through the refrigeration circulating water pump and the cold water tank valve and then enters the refrigerant refrigeration system.
The central control system comprises a central control cabinet and a PLC (programmable logic controller) arranged on the central control cabinet, wherein the PLC controls the motors of the freezing circulating water pump, the cooling water supply pump and the ice water supply pump to rotate.
The refrigerant refrigeration system further comprises a liquid viewing mirror, and the liquid viewing mirror is arranged on the refrigerant refrigeration system pipeline.
Compared with the problems that the ice water machine device cannot directly prepare ice water at 0.5 ℃ in a one-time circulation mode and is poor in refrigeration effect in the prior art, the ice water machine device provided by the embodiment of the application comprises a refrigerant refrigeration system, a cooling water system, a chilled water system and a central control system, wherein the cooling water system is connected with the refrigerant refrigeration system, and the refrigerant refrigeration system is connected with the chilled water system; the refrigerant refrigeration system, the cooling water system and the chilled water system are respectively in control connection with the central control system; the refrigerant refrigeration system comprises a condenser, a primary compressor and a secondary compressor, wherein the primary compressor and the secondary compressor are connected with the condenser in parallel, a gas-liquid separator and an oil separator are connected at two ends of the primary compressor in series, the condenser is further connected with a liquid storage device and a plate-changing evaporator, and the plate-changing evaporator is further connected with a shell-and-tube evaporator and a coil evaporator in series, so that ice water with the temperature of 0.5 ℃ can be directly prepared in a one-time circulation mode.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.
Fig. 1 is a block diagram of a structure of an ice water making machine device provided by an embodiment of the present invention;
fig. 2 is a schematic structural diagram of an ice water chiller device according to an embodiment of the present invention;
fig. 3 is a schematic diagram of a refrigeration system of an ice water making machine device according to an embodiment of the present invention.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects of the present invention to be solved clearer and more obvious, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Please refer to fig. 1 to fig. 3, which are schematic structural diagrams of an ice water making apparatus according to an embodiment of the present invention. Only the portions related to the present embodiment are shown for convenience of explanation.
Please refer to fig. 1, which is a block diagram of an ice water machine device according to an embodiment of the present disclosure, the embodiment of the present disclosure provides an ice water machine device, which includes a refrigerant refrigeration system 1, a cooling water system 2, a chilled water system 3, and a central control system 4, wherein the refrigerant refrigeration system 1, the chilled water system 2, and the cooling water system 3 are respectively connected to the central control system 4 in a control manner, and receive a control instruction of the central control system 4 and execute corresponding action control.
Please refer to fig. 2 and fig. 3, which are schematic structural diagrams of an ice and water machine device and a refrigeration schematic diagram of a refrigerant refrigeration system according to an embodiment of the present application.
Refrigerant refrigerating system 1 includes condenser 11 and the primary compressor 12 and the secondary compressor 13 of being connected with condenser 11, primary compressor 12 and secondary compressor 13 parallel connection, the both ends series connection of primary compressor 12 has vapour and liquid separator 15 and oil separator 14, condenser 11 still is connected with reservoir 17 and board and trades evaporimeter 19. The secondary compressor 13 is connected with the plate evaporator 19 through an electronic expansion valve 18, the plate evaporator 19 is further connected with a shell-and-tube evaporator 20, and the shell-and-tube evaporator 20 is connected with a coil evaporator 210 and is connected to the cooling water supply water pump 10 through the coil evaporator 210. The shell-and-tube evaporator 20 is connected to the reservoir 17 through a solenoid valve 150 and a dry filter 140. The coil evaporator 210 is connected to the accumulator 17 through the solenoid valve 150 and the dry filter 140. The shell-and-tube evaporator 20 is connected to the gas-liquid separator 150 via an evaporation pressure regulating valve 231, and the coil evaporator 210 is connected to the gas-liquid separator 150 via an evaporation pressure regulating valve 231.
In one embodiment, a flow meter 161 is connected between the plate evaporator 19 and the shell and tube evaporator 20, and the flow rate of the liquid in the pipe can be measured by the flow meter 161.
This application embodiment, the board is traded the evaporimeter series connection of evaporimeter 19, shell and tube evaporator 20 and three kinds of different structures of coil evaporator 210, cools down the cooling water in the system loop, the evaporating temperature of two way freons in one-level compressor 12 and the secondary compressor 13 is different, and the evaporating pressure of freon realizes in the accessible evaporating pressure governing valve 231 control compressor, and the confession liquid volume of controlling coolant freon through electronic expansion valve 18 to the freon evaporating temperature of every section keeps stable in making the compressor.
In an embodiment, the refrigerant refrigeration system 1 further includes an oil cooler, an angle valve, a liquid viewing mirror, a refrigerant, and the like. The oil cooler is arranged and connected between the oil separator and the condenser, the angle valve can be arranged at a place where a system pipeline needs according to needs, the liquid viewing mirror can be arranged at any position in the ice water machine device on the system pipeline according to needs, and bubbles or flash evaporation gas in the system can be observed by viewing a refrigerant in the system through the viewing mirror with a wide angle of the liquid viewing mirror, so that whether the refrigerant is filled properly or not can be determined. The refrigerant is provided in a circuit of the refrigerant refrigeration system 1 such as the primary compressor 12, the secondary compressor 13, and the condenser. In the embodiment, the refrigerant is R134a or R407C or R404A.
The cooling water system 2 comprises a condenser fan 21, a cooling water supply pump 22 and a cold water tank valve 23, wherein the cooling water supply pump 22 is connected with the cold water tank through the cold water tank valve 23. The condenser fan 21 is provided in the condenser 11 for circulating the water in the system. In this embodiment, the condenser fan 21 is an evaporative condenser fan.
The chilled water system 3 includes a chilled water circulation pump 31, an ice water supply pump 32, an ice water tank valve 33, and an ice water tank 34. The freezing circulating water pump 31 is connected with the cold water tank valve 23, water from the cooling water supply pump 22 passes through the freezing circulating water pump 31 and the cold water tank valve 33 and then enters the refrigerant refrigeration system 1 for one-time circulating refrigeration to obtain ice water with the temperature of 0.5 ℃, and the ice water prepared by the refrigerant refrigeration system 1 can be stored in the ice water tank 34 or flows into the process water pump 8 or the water distribution station 10 for use through the ice water supply pump 32.
The central control system 4 includes a central control cabinet 41, a PLC controller disposed on the central control cabinet, a frequency converter, a cable, upper unit configuration software, and corresponding electrical control elements (not shown). The control of other system components can be realized through the central control system.
In this embodiment, the refrigeration circulating water pump 31, the cooling water supply pump 22 and the ice water supply pump 32 all adopt a variable frequency PLC controller to control the motor rotation speed thereof; the motor of the condenser fan 21 is also controlled to rotate by frequency conversion.
The working process of the water chiller device for preparing ice water comprises the following steps: the raw water is conveyed by the cooling water supply pump 22 to enter the refrigerant refrigeration system 1 for cooling, and then the cooled water is stored in the ice water tank 34 and conveyed to the process water diversion station by the refrigeration circulating water pump 31.
The ice water machine device is integrated with the refrigerant refrigeration system 1, the cooling water system 2, the chilled water system 3 and the central control system 4, and the central control system 4 controls linkage work of other devices.
When the ice water machine device is started to operate, firstly, the evaporative condenser fan 21 and the cooling water supply pump 22 of the refrigerant refrigeration system 1 are started to circulate cooling water, then the refrigeration circulating water pump 31 in the chilled water system 3 is started, the ice water tank valve 33 is started to circulate water in the ice water tank 34, and then the refrigerant refrigeration system 1, the primary compressor 12 and the secondary compressor 13 are started to prepare ice water with the temperature of 0.5 ℃. For the ice water tank 34, when the refrigerant refrigeration system 1 is just started, the water temperature in the ice water tank 34 is high and cannot reach the water temperature of 2 ℃, the ice water tank valve 33 on the communicating pipe of the cold water tank 34 is opened, the freezing circulating water pump 31 is started to pump water in the ice water tank 34, the water enters the refrigerant refrigeration system 1 again, the temperature is reduced circularly, the water temperature in the ice water tank 34 is reduced to 0.5 ℃, at this time, the freezing circulating water pump 31 on the communicating pipe is started again, the ice water tank valve 33 is closed, and the freezing circulating water pump 31 pumps raw water in the raw water tank to prepare ice water with the temperature of 0.5 ℃. The prepared ice water with the temperature of 0.5 ℃ can be supplied to users through a water distribution station.
The ice water machine device can directly prepare ice water at 0.5 ℃ in a one-time circulating mode, and the plate-exchange evaporator 19 is adopted in the embodiment, so that the heat exchange coefficient is high, the evaporation efficiency of a refrigerant in a loop in the refrigeration system 1 can be effectively improved, and the refrigeration efficiency of the refrigerant refrigeration system 1 is greatly improved.
In the embodiment of the application, the shell-and-tube evaporator 20 and the coil evaporator 210 are linked in series, so that stable oil return of the refrigerant refrigeration system 1 can be ensured; the oil return problem of the compressor is solved, and the reliability of the ice water machine device is improved;
the utility model adopts the design of the coil water tank and the ice water tank, which can play the functions of energy storage and ice water preparation at night, thus saving the operation cost; meanwhile, the cooling water supply pump 22, the cold freezing circulating water pump 31 and the ice water supply pump 32 are controlled in a frequency conversion mode in the embodiment of the application, and the rotating speed of a water pump motor is controlled in a frequency conversion mode through a frequency converter, so that constant-pressure frequency conversion conveying of each water path is realized; the motor of the condenser fan 21 is controlled by frequency conversion, so that the rotating speed is adjusted according to the heat quantity of the cooling water, the electric equipment of the whole ice and water machine device is more energy-saving in operation, and the damage to the whole equipment caused by frequent starting and stopping of the motor is also prevented.
The preferred embodiments of the present invention have been described above with reference to the accompanying drawings, without thereby limiting the scope of the invention. Any modification, equivalent replacement and improvement made by those skilled in the art without departing from the scope and spirit of the present invention should be within the scope of the claims of the present invention.
Claims (10)
1. The ice and water machine device is characterized by comprising a refrigerant refrigeration system, a cooling water system, a chilled water system and a central control system, wherein the cooling water system is connected with the refrigerant refrigeration system; the refrigerant refrigeration system, the cooling water system and the chilled water system are respectively in control connection with the central control system;
the refrigerant refrigeration system comprises a condenser, a primary compressor and a secondary compressor, wherein the primary compressor and the secondary compressor are connected with the condenser in parallel, a gas-liquid separator and an oil separator are connected with two ends of the primary compressor in series, the condenser is also connected with a liquid reservoir and a plate-exchange evaporator, and the plate-exchange evaporator is connected with a shell-and-tube evaporator and a coil evaporator in series.
2. An ice and water machine as claimed in claim 1, wherein the shell and tube evaporator and the coil evaporator are connected to the reservoir through a solenoid valve, a dry filter, respectively.
3. An ice and water machine as claimed in claim 1, wherein said shell and tube evaporator and coil evaporator are connected to said gas-liquid separator through evaporation pressure regulating valves, respectively.
4. The ice-water machine arrangement as claimed in claim 3, wherein the refrigerant refrigeration system further comprises an oil cooler disposed between the oil separator and the condenser.
5. The ice-water machine arrangement as claimed in claim 3, wherein the refrigerant refrigeration system further comprises a refrigerant disposed in the primary compressor and the secondary compressor.
6. The ice-water machine arrangement as claimed in claim 5, characterized in that the refrigerant is any one of R134a, R407C and R404A.
7. An ice and water machine as claimed in claim 1, wherein said cooling water system comprises a condenser fan, a cooling water supply pump, and a cold water tank valve, said cooling water supply pump is connected to the cold water tank through said cold water tank valve, said condenser fan is disposed in said condenser.
8. The ice-water machine arrangement as claimed in claim 7, characterized in that the chilled water system comprises a chilled circulating water pump, an ice water supply pump, an ice water tank valve and an ice water tank; the refrigeration circulating water pump is connected with the cold water tank valve, and water entering from the cooling water supply pump passes through the refrigeration circulating water pump and the cold water tank valve and then enters the refrigerant refrigeration system.
9. The ice-water machine device as claimed in claim 8, wherein the central control system comprises a central control cabinet and a PLC controller arranged on the central control cabinet, and the PLC controller controls the motors of the freezing circulating water pump, the cooling water supply pump and the ice water supply pump to rotate.
10. The water chiller apparatus of claim 9 wherein the refrigerant refrigeration system further comprises a sight glass, the sight glass being disposed on the refrigerant refrigeration system piping.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022012649.9U CN213178882U (en) | 2020-09-15 | 2020-09-15 | Water chiller device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022012649.9U CN213178882U (en) | 2020-09-15 | 2020-09-15 | Water chiller device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213178882U true CN213178882U (en) | 2021-05-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022012649.9U Active CN213178882U (en) | 2020-09-15 | 2020-09-15 | Water chiller device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213178882U (en) |
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2020
- 2020-09-15 CN CN202022012649.9U patent/CN213178882U/en active Active
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