Split type ultra-low temperature water chiller special for food

Abstract

The utility model discloses a split type ultralow-temperature water chiller special for food, which comprises a chiller body erected on the indoor ground, a refrigerating mechanism used for forming an ultralow-temperature refrigerating structure, a condensing mechanism used for forming an external condensing structure, and a circulating mechanism used for forming a food-grade medium circulating structure, the refrigeration mechanism is assembled inside the machine body, the condensation mechanism is arranged on the outdoor ground corresponding to the refrigeration mechanism, and the circulation mechanism is arranged on one side of the machine body. The temperature of a production workshop is not increased, the influence on the temperature of the working environment is avoided, the circulating mechanism is arranged, the temperature is automatically controlled, the labor cost is saved, the outlet water temperature can reach 2 DEG C, the requirements of customers for lower water temperature can be met, the precise temperature control of 2-20 DEG C can be realized, the temperature control precision reaches + / -0.5 DEG C, and the temperature control precision is high.

Description

TECHNICAL FIELD

[0001] The utility model relates to industrial temperature control equipment technical field especially is related to a split type super low temperature food special ice water machine. BACKGROUND

[0002] In the prior art, modern food processing enterprises pay great attention to the improvement of production efficiency and product quality, and as for the noodle enterprises, when producing products such as noodles and dumpling wrappers, the water temperature for kneading noodles has strict requirements for improving the quality and taste of the products, and some production processes require lower water temperature. Some enterprises add ice blocks to the water in order to lower the water temperature for kneading noodles; although the water is cooled, the water temperature cannot be accurately controlled, and additional material cost and labor cost are increased, the existing ordinary water chiller often uses carbon steel and red copper as the main material of the evaporator, and the part in contact with water has the possibility of polluting the water quality, and cannot be directly used for food processing, the ordinary plate heat exchanger made of stainless steel material, the welding process is mainly brazing, and also cannot be directly used for the food industry, and the ice water is prepared through indirect heat exchange, which increases one heat exchange, reduces the ice water production efficiency, and increases the energy consumption, so an ice water machine that can accurately control the water temperature and does not affect the water quality is needed to serve the food industry, since the water temperature will freeze at 0 DEG C, the evaporator of the refrigeration equipment is the place where water and refrigerant exchange heat, and the evaporation temperature is generally 2-5 DEG C lower than the outlet water temperature, so when the outlet water temperature is 2 DEG C, the water in the evaporator is already below 0 DEG C, therefore, the outlet water temperature of the existing ice water machine cannot be lower than 4 DEG C, and the integral ice water machine will cause the temperature of the production workshop to rise due to the need for heat dissipation of the equipment itself.

[0003] The utility model discloses a kind of ice water unit for food processing with the application No. 202120234309.2 of Chinese utility model discloses a kind of ice water unit for food processing, including seat frame, the top of the seat frame is fixedly installed with condenser and stainless steel evaporator, the top of stainless steel evaporator is fixedly connected with compressor, the top of condenser is fixedly connected with electric control cabinet, the condenser is connected with stainless steel evaporator by first connecting pipe, and filter cartridge, copper ball valve, electromagnetic valve and thermal expansion valve are sequentially installed on the first connecting pipe from the direction of condenser to stainless steel evaporator, the compressor is connected with stainless steel evaporator by third connecting pipe, and evaporation pressure regulating valve is installed on the third connecting pipe, the compressor is connected with condenser by second connecting pipe.However, the ice water unit for food processing of this kind adopts the overall structure layout, since its equipment itself needs heat dissipation, it will cause workshop temperature to rise, influence its working environment, and its outlet water temperature cannot be lower than 4 DEG C, cannot satisfy the demand of lower water temperature of customer, temperature control precision is lower. SUMMARY

[0004] The utility model aims at providing a split type super low temperature food special ice water machine.

[0005] To achieve the above object, the technical scheme of the utility model is:

[0006] A split type super low temperature food special ice water machine, including machine body, the machine body is erected on the indoor ground, it still includes the refrigeration mechanism for constituting the super low temperature refrigeration structure, the condensing mechanism constituting the external condensing structure and the circulating mechanism for constituting food grade medium circulation structure, refrigeration mechanism is assembled in the inside of machine body, condensing mechanism is arranged on the outdoor ground corresponding refrigeration mechanism, circulating mechanism is arranged at one side of machine body.

[0007] Refrigeration mechanism includes compressor, regenerator, shell and tube evaporator and expansion valve, the compressor is set up in the inside lower part of machine body and is fixedly connected with machine body, the regenerator is set up in the lower part of machine body one side and is fixedly connected with machine body, the shell and tube evaporator is set up in the inside lower part of machine body and is fixedly connected with machine body, the shell and tube evaporator is communicated with regenerator through pipeline, the expansion valve is assembled on the pipeline between regenerator and shell and tube evaporator.

[0008] It still includes oil separator, liquid accumulator and drying filter, the oil separator is set up in the lower part of machine body near the regenerator one side and is fixedly connected with machine body, the oil separator is communicated with compressor through pipeline, the liquid accumulator is set up in the upper part of shell and tube evaporator and is fixedly connected with shell and tube evaporator through base, the drying filter is set up between liquid accumulator and regenerator and is connected with liquid accumulator and regenerator through pipeline.

[0009] The outlet of shell and tube evaporator is equipped with target type flow switch, the bottom of machine body is assembled with Foma castor wheel.

[0010] Condensing mechanism includes condensing unit and heat dissipation fan, the condensing unit is arranged on the outdoor ground corresponding machine body and is communicated with oil separator and liquid accumulator through pipeline, the heat dissipation fan is equipped with two groups, two groups of heat dissipation fan are arranged in the upper part of condensing unit and are fixedly connected with condensing unit, and the condensing unit adopts finned condenser.

[0011] Circulating mechanism includes heat preservation water tank and circulating water pump, the heat preservation water tank is arranged on the indoor ground corresponding machine body and is arranged adjacent to machine body, the water inlet of heat preservation water tank is communicated with external water source, the backwater of heat preservation water tank is communicated with shell and tube evaporator through ice water backwater pipe, the circulating water pump is set up in the lower part of machine body near heat preservation water tank one side and is fixedly connected with machine body, the water inlet and water outlet of circulating water pump are communicated with the water outlet of heat preservation water tank and shell and tube evaporator through pipeline respectively.

[0012] The water tank liquid level gauge is arranged on one side of the heat preservation water tank and fixedly connected with the heat preservation water tank, the exhaust hole is arranged on the upper end of the heat preservation water tank and fixedly connected with the heat preservation water tank, and the sewage outlet is arranged on the lower part of the heat preservation water tank and fixedly connected with the heat preservation water tank.

[0013] The ice water outlet pipe is arranged at the outlet of the shell-and-tube evaporator and communicated with the shell-and-tube evaporator.

[0014] The shell-and-tube evaporator, the heat preservation water tank, the circulating water pump, the ice water outlet pipe and other pipelines and pipe fittings in contact with the water body are made of food-grade stainless steel.

[0015] The electric control unit is arranged on one side of the upper part of the machine body and connected with the machine body, and is electrically connected with the compressor, the cooling fan and the circulating water pump.

[0016] The utility model discloses the beneficial effect is:

[0017] The refrigeration mechanism and the condensing mechanism cooperate to form a split refrigeration module, the condensing and radiating unit is placed outdoors, the temperature of the production workshop is not caused to rise, the temperature of the working environment is avoided to influence, the circulating mechanism is equipped with, temperature is automatically controlled, manpower cost is saved, the water temperature can reach 2 DEG C, the demand of customer to lower water temperature can be satisfied, the accurate temperature control of 2-20 DEG C can be realized, the temperature control precision reaches ± 0.5 DEG C, the temperature control precision is high, in addition, the pipeline, valve and part in contact with the water body all adopt food-grade stainless steel material, and water pollution is prevented, the food production demand is satisfied, and the operation and use are convenient, and there is no need to specially watch and manage, after setting water temperature, the equipment is automatically operated, and water can be automatically supplemented when lacking. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is the whole structure schematic diagram of the utility model;

[0019] Figure 2 It is the working principle schematic diagram of the utility model;

[0020] Figure 3 It is the cooperation schematic diagram of the circulating mechanism and the condensing mechanism of the utility model;

[0021] Figure 4 It is the electric connection drawing of the utility model.

[0022] In the figure: 1, the body; 2, compressor; 3, regenerator; 4, shell and tube evaporator; 5, expansion valve; 6, oil separator; 7, reservoir; 8, dry filter; 9, condensing unit; 10, cooling fan; 11, insulation water tank; 12, circulating water pump; 13, water tank liquid level meter; 14, exhaust hole; 15, sewage outlet; 16, ice water outlet pipe; 17, electric control unit. DETAILED DESCRIPTION

[0023] The utility model will be described in further detail below with reference to the drawings,

[0024] A split type ultra-low temperature food special ice water machine, comprising a body 1, the body 1 is erected on the indoor ground, further comprising a refrigeration mechanism for constituting an ultra-low temperature refrigeration structure, a condensing mechanism for constituting an external condensing structure and a circulating mechanism for constituting a food-grade medium circulating structure, the refrigeration mechanism is assembled in the inside of the body 1, the condensing mechanism is arranged on the outdoor ground corresponding to the refrigeration mechanism, and the circulating mechanism is arranged on one side of the body 1, and the overall structure schematic diagram of the utility model is as shown in Figure 1 .

[0025] The refrigeration mechanism comprises a compressor 2, a regenerator 3, a shell and tube evaporator 4 and an expansion valve 5, the compressor 2 is arranged at the inside lower part of the body 1 and is fixedly connected with the body 1, the regenerator 3 is arranged at the lower part of the body 1 and is fixedly connected with the body 1, the shell and tube evaporator 4 is arranged at the inside lower part of the body 1 and is fixedly connected with the body 1, the shell and tube evaporator 4 is communicated with the regenerator 3 through a pipeline, and the expansion valve 5 is assembled on the pipeline between the regenerator 3 and the shell and tube evaporator 4, the refrigeration mechanism is formed by cooperation of the compressor 2, the regenerator 3, the shell and tube evaporator 4 and the expansion valve 5, and the refrigeration mechanism and the condensing mechanism jointly constitute a refrigerant circulating channel, wherein the compressor 2 is used for sucking the refrigerant in the form of steam, compressing the refrigerant into high-temperature and high-pressure steam refrigerant and discharging the refrigerant into the condensing mechanism, the condensing mechanism radiates the steam refrigerant into liquid refrigerant, the regenerator 3 is used for filtering through low-temperature medium to realize heat exchange, the regenerator 3 cools the high-temperature refrigerant at the outlet of the condenser to the low-pressure liquid at the inlet of the shell and tube evaporator 4, so as to reduce throttling loss and prevent liquid hammer, the regenerator 3 can avoid damage of the compressor 2 due to liquid vaporization or high-temperature impact through supercooled liquid and overheated gas, prolongs the service life of the equipment, the shell and tube evaporator 4 is used for completely evaporating and vaporizing the liquid refrigerant flowing therein by absorbing the heat of the water body, and returning to the suction port of the compressor 2, and the expansion valve 5 is used for throttling the liquid refrigerant flowing out through the regenerator 3 to form low-temperature and low-pressure liquid refrigerant.

[0026] The utility model also comprises an oil separator 6, a liquid accumulator 7 and a drying filter 8, the oil separator 6 is arranged at the lower part of the body 1 close to one side of the regenerator 3 and is fixedly connected with the body 1, the oil separator 6 is communicated with the compressor 2 through a pipeline, the liquid accumulator 7 is arranged at the upper part of the shell-and-tube evaporator 4 and is fixedly connected with the shell-and-tube evaporator 4 through a base, the drying filter 8 is arranged between the liquid accumulator 7 and the regenerator 3 and is connected with the liquid accumulator 7 and the regenerator 3 through a pipeline, a target type flow switch is arranged at the outlet of the shell-and-tube evaporator 4, and a Foma castor wheel is arranged at the bottom of the body 1, wherein the oil separator 6 is used for separating lubricating oil and high-pressure steam, so as to guarantee safe and efficient operation of the equipment, the liquid accumulator 7 is used for storing refrigerant liquid coming out of the condensing mechanism and realizes gas-liquid separation, and the drying filter 8 is used for adsorbing moisture in the refrigeration system, so as to protect the expansion valve 5 and the compressor 2 from being affected by moisture, wherein the target type flow switch is used for detecting whether water circulation is smooth, so as to protect the unit, and the Foma castor wheel is used as a moving structure at the bottom of the body 1 to meet the moving requirement of the body 1, and the working principle schematic diagram of the utility model is shown in the figure. Figure 2

[0027] The condensing mechanism comprises a condensing unit 9 and heat dissipation fans 10, the condensing unit 9 is arranged on the outdoor ground corresponding to the body 1 and is communicated with the oil separator 6 and the liquid accumulator 7 through a pipeline, the heat dissipation fans 10 are provided in two groups, the two groups of heat dissipation fans 10 are arranged side by side and are arranged at the upper part of the condensing unit 9 and are fixedly connected with the condensing unit 9, the condensing unit 9 adopts a finned condenser, and the condensing mechanism is formed into an external condensing structure through cooperation of the condensing unit 9 and the heat dissipation fans 10, so as to guarantee that the heat dissipation capacity of the equipment is not affected by the indoor environment temperature, wherein the condensing unit 9 is used for dissipating heat of high-temperature and high-pressure gaseous refrigerant and condensing the high-temperature and high-pressure gaseous refrigerant into liquid refrigerant, and the heat dissipation fans 10 are used for dissipating heat of the condensing unit 9 to meet the heat dissipation requirement of the condensing unit 9.

[0028] The circulating mechanism comprises a heat preservation water tank 11 and a circulating water pump 12, the heat preservation water tank 11 is arranged on the indoor ground corresponding to the body 1 and is arranged adjacent to the body 1, the water inlet of the heat preservation water tank 11 is communicated with an external water source, the water return port of the heat preservation water tank 11 is communicated with the shell-and-tube evaporator 4 through an ice-water return pipe, the circulating water pump 12 is arranged at the lower part of the body 1 close to one side of the heat preservation water tank 11 and is fixedly connected with the body 1, the water inlet end and the water outlet end of the circulating water pump 12 are respectively communicated with the water outlet of the heat preservation water tank 11 and the shell-and-tube evaporator 4 through pipelines, and the circulating mechanism is formed into a medium circulating structure through cooperation of the heat preservation water tank 11 and the circulating water pump 12, wherein the heat preservation water tank 11 is used for storing water, the circulating water pump 12 is used for extracting water in the heat preservation water tank 11 and guiding the water into the shell-and-tube evaporator 4 to exchange heat, and the water returns to the heat preservation water tank 11 after heat exchange, so as to form internal water circulation, and the circulating mechanism and the condensing mechanism are shown in the figure. Figure 3 ​​

[0029] Further comprising a water tank liquid level gauge 13, an exhaust hole 14 and a sewage outlet 15, the water tank liquid level gauge 13 is arranged at one side of the heat preservation water tank 11 and fixedly connected with the heat preservation water tank 11, the exhaust hole 14 is arranged at the upper end of the heat preservation water tank 11 and fixedly connected with the heat preservation water tank 11, and the sewage outlet 15 is arranged at the lower part of the heat preservation water tank 11 and fixedly connected with the heat preservation water tank 11, wherein the water tank liquid level gauge 13 is used for displaying the liquid level of the water body in the heat preservation water tank 11, the exhaust hole 14 is used as an exhaust interface at the upper end of the heat preservation water tank 11 to meet the exhaust requirement of the heat preservation water tank 11, and the sewage outlet 15 is used as a sewage structure at the lower part of the heat preservation water tank 11 to meet the sewage requirement of the heat preservation water tank 11.

[0030] Further comprising an ice water outlet pipe 16, the ice water outlet pipe 16 is arranged at the outlet of the shell and tube evaporator 4 and communicates with the shell and tube evaporator 4, the shell and tube evaporator 4, the heat preservation water tank 11, the circulating water pump 12, the ice water outlet pipe 16 and other pipelines and pipe fittings in contact with the water body are all made of food-grade stainless steel, wherein the ice water outlet pipe 16 is used as a water outlet structure of the ice water machine, and the heat-exchanged cold water is discharged from the ice water machine through the ice water outlet pipe 16, so as to form an external circulation, and the user can connect the ice water outlet pipe 16 with a dough machine or a device requiring ice water through a pipeline, so as to conveniently use water.

[0031] Further comprising an electric control unit 17, the electric control unit 17 is arranged at one side of the upper part of the machine body 1 and connected with the machine body 1, the electric control unit 17 is electrically connected with the compressor 2, the heat dissipation fan 10 and the circulating water pump 12, and the electric control unit 17 is configured with a protection alarm device, and the electric connection diagram of the utility model is shown in Figure 4 .

[0032] In the technical scheme, the shell and the heat exchange pipe of the shell and tube evaporator 4 are all made of food-grade stainless steel, and all the pipelines, valve fittings and water pumps in contact with water are food-grade stainless steel.

[0033] Working principle:

[0034] The heat preservation water tank 11 is communicated with an external water source, a water chiller is started, the high-temperature and high-pressure gaseous refrigerant discharged by the compressor 2 is condensed into liquid refrigerant by the finned condensing unit 9, and then the liquid refrigerant is throttled into low-temperature and low-pressure liquid refrigerant by the expansion valve 5 after flowing through the drying filter 8, and then the liquid refrigerant is completely evaporated by absorbing the heat of water in the shell-and-tube evaporator 4, and then the liquid refrigerant returns to the suction port of the compressor 2, so that the refrigeration system is formed by circulation to refrigerate the water body, the circulating water pump 12 extracts water in the heat preservation water tank 11, and then the water is returned to the heat preservation water tank 11 after heat exchange in the shell-and-tube evaporator 4 to form an internal circulation, and the refrigeration operation is completed, the condensing mechanism is arranged outdoors to form a split refrigeration structure, the heat dissipation capacity of the equipment is not affected by the indoor environment temperature, and the equipment can automatically operate after setting the water temperature, the water is refrigerated to the set temperature through the internal circulation and is kept, the ice water obtained by the equipment can reach 2 DEG C at the lowest, and the temperature control precision reaches ± 0.5 DEG C.

[0035] The utility model discloses the beneficial effect is equipped with refrigeration mechanism and condensing mechanism cooperation, constitute split refrigeration module, its condensing heat dissipation unit is placed in the outdoor, can not cause production workshop temperature to rise, avoid the temperature of its working environment, be equipped with circulation mechanism, its temperature automatic control, save manpower cost, outlet water temperature can reach 2 DEG C, can satisfy the demand of customer to lower water temperature, can realize 2-20 DEG C's accurate temperature control, temperature control precision reaches ± 0.5 DEG C, temperature control precision is high, in addition, the pipeline, valve and parts that it contacts with water body all adopt food -grade stainless steel material, prevent water pollution, satisfy food production demand, convenient operation and use, need not special person to keep watch, set water temperature after equipment automatic operation, water shortage can automatically water.

[0036] The above embodiment of the utility model has been described in detail, but the content is only the preferred embodiment of the utility model, and cannot be considered as limiting the scope of the utility model. Any equivalent change and improvement within the scope of the utility model application shall still belong to the patent coverage range of the utility model.

Claims

1. A split type ultra-low temperature food special ice water machine, comprising a machine body (1), the machine body (1) is erected on the indoor ground, characterized in that, It also includes a refrigeration mechanism for constituting an ultra-low temperature refrigeration structure, a condensing mechanism for constituting an external condensing structure, and a circulating mechanism for constituting a food-grade medium circulating structure. The refrigeration mechanism includes a compressor (2), a regenerator (3), a shell-and-tube evaporator (4), and an expansion valve (5). The compressor (2) is arranged on the inner side of the lower part of the machine body (1) and is fixedly connected with the machine body (1). The regenerator (3) is arranged on one side of the lower part of the machine body (1) and is fixedly connected with the machine body (1). The shell-and-tube evaporator (4) is arranged on the inner side of the lower part of the machine body (1) and is fixedly connected with the machine body (1). The shell-and-tube evaporator (4) is communicated with the regenerator (3) through a pipeline. The expansion valve (5) is arranged on the pipeline between the regenerator (3) and the shell-and-tube evaporator (4). It also includes an oil separator (6), a liquid accumulator (7), and a drying filter (8). The oil separator (6) is arranged on one side of the lower part of the machine body (1) close to the regenerator (3) and is fixedly connected with the machine body (1). The oil separator (6) is communicated with the compressor (2) through a pipeline. The liquid accumulator (7) is arranged on the upper part of the shell-and-tube evaporator (4) and is fixedly connected with the shell-and-tube evaporator (4) through a base. The drying filter (8) is arranged between the liquid accumulator (7) and the regenerator (3) and is connected with the liquid accumulator (7) and the regenerator (3) through a pipeline. A target type flow switch is arranged at the outlet of the shell-and-tube evaporator (4). A Foma caster wheel is arranged at the bottom of the machine body (1).

2. The split type ultra-low food special ice water machine according to claim 1, characterized in that, The condensing mechanism includes a condensing unit (9) and heat dissipation fans (10). The condensing unit (9) is arranged on the outdoor ground corresponding to the machine body (1) and is communicated with the oil separator (6) and the liquid accumulator (7) through a pipeline. The heat dissipation fans (10) are provided in two groups. The two groups of heat dissipation fans (10) are arranged in parallel and at intervals on the upper part of the condensing unit (9) and are fixedly connected with the condensing unit (9). The condensing unit (9) adopts a finned condenser.

3. The split type ultra-low food special ice water machine according to claim 2, characterized in that, The circulating mechanism includes an insulation water tank (11) and a circulating water pump (12). The insulation water tank (11) is arranged on the indoor ground corresponding to the machine body (1) and is arranged adjacent to the machine body (1). The water inlet of the insulation water tank (11) is communicated with an external water source. The water return port of the insulation water tank (11) is communicated with the shell-and-tube evaporator (4) through an ice water return pipe. The circulating water pump (12) is arranged on one side of the lower part of the machine body (1) close to the insulation water tank (11) and is fixedly connected with the machine body (1). The water inlet end and the water outlet end of the circulating water pump (12) are respectively communicated with the water outlet of the insulation water tank (11) and the shell-and-tube evaporator (4) through pipelines.

4. The split type ultra-low food special ice water machine according to claim 3, characterized in that, The water tank level gauge (13) is arranged on one side of the heat preservation water tank (11) and fixedly connected with the heat preservation water tank (11), the exhaust hole (14) is arranged on the upper end of the heat preservation water tank (11) and fixedly connected with the heat preservation water tank (11), and the sewage outlet (15) is arranged on the lower part of the heat preservation water tank (11) and fixedly connected with the heat preservation water tank (11).

5. The split type ultra-low food special ice water machine according to claim 4, characterized in that, The ice water outlet pipe (16) is arranged at the outlet of the shell-and-tube evaporator (4) and communicates with the shell-and-tube evaporator (4).

6. The split type ultra-low food special ice water machine according to claim 5, characterized in that, The shell-and-tube evaporator (4), the heat preservation water tank (11), the circulating water pump (12), the ice water outlet pipe (16) and other pipelines and pipe fittings in contact with water are made of food-grade stainless steel.

7. The split type ultra-low food special ice water machine according to claim 6, characterized in that, The electric control unit (17) is arranged on one side of the upper part of the machine body (1) and connected with the machine body (1), the electric control unit (17) is electrically connected with the compressor (2), the heat dissipation fan (10) and the circulating water pump (12), and the electric control unit (17) is provided with a protection alarm device.

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