CN213514538U - Aseptic ice machine with fretwork cooling bath - Google Patents

Abstract

The utility model discloses an aseptic ice machine with fretwork cooling bath. The aseptic ice maker can include a body; the cooling tank is arranged in the top of the main body and comprises an inner layer and an outer layer, the inner layer and the outer layer are welded together to form a cavity, the inner layer is provided with a plurality of hollowed holes communicated with the cavity, the outer wall of the inner layer is surrounded by a cooling pipe, the outer layer is sealed, and the outer wall of the outer layer is wrapped by a heat insulation layer; the ice making basin is placed in the cooling tank, and a refrigerating medium is filled between the ice making basin and the cooling tank when the ice making basin is used; and a refrigeration unit in fluid communication with the cooling tube. The utility model discloses can improve heat exchange efficiency, shorten the required time of making the ice slush greatly, improve production efficiency to the ice slush quality that makes is better.

Description

Aseptic ice machine with fretwork cooling bath

Technical Field

The utility model relates to the field of medical equipment, specifically relate to an aseptic ice machine that has fretwork cooling bath for making the ice slush that uses in the operation.

Background

At present, in the medical field, the sterile physiological saline ice slurry is more and more widely applied, such as in the aspects of organ transplantation operation and the like. In the organ transplantation operation, the temporary preservation of organs needs to be in a sterile low-temperature environment, in the traditional operation application, the sterile normal saline ice slurry is frozen by normal saline and then is used, and a process is needed for taking out the sterile normal saline ice slurry from a refrigerator and then forming the sterile normal saline ice slurry again, so that the operation is complex and is easy to pollute; in addition, ice with edges and corners exists in ice slush formed by the existing ice making machine, so that the ice slush is very easy to damage organism soft tissues.

CN106247715A discloses a system ice mud machine, including body, cooling tank, evaporimeter, condenser, desicator, compressor and the control unit, the control unit includes low voltage relay, the compressor starts relay, terminal and one-way control electric capacity, the cooling tank is installed on the outside top of body and is provided with the system ice basin in the cooling tank, the evaporimeter is installed and is provided with automatic expansion valve on the inside upper end of body and the evaporimeter, the condenser is installed at the inside lower extreme of body and the condenser links to each other with radiator fan, the lower extreme at the evaporimeter is installed to the desicator, the compressor is located the below of desicator and is provided with pressure switch and air valve on the compressor, the desicator passes through the pipeline and links to each other with the condenser, the control unit passes through the wire respectively with the compressor, desi.

CN2715068Y discloses a slush ice machine, including refrigerating unit, its characterized in that: the refrigerating well is installed in the upper shell of the refrigerating unit, the refrigerating pipe is installed on the outer wall of the refrigerating well, the base pad for fixedly supporting the refrigerating container is arranged on the inner wall of the refrigerating well, a conducting medium is filled between the refrigerating well and the refrigerating container, the heat insulator is arranged on the outer side of the refrigerating well, the input end of the refrigerating pipe is connected with the refrigerating unit, and the output end of the refrigerating pipe is connected with the refrigerating unit.

US4393659 discloses a method and apparatus for manufacturing sterile ice slush, the refrigeration apparatus comprising a cabinet having a heat transfer basin at the top and a refrigeration mechanism in the cabinet for cooling the heat transfer basin. A separate sterile product basin is positioned in the heat transfer basin and cooled by the heat transfer medium in the product basin. The sterile liquid is deposited in the product basin and the ice is scraped from the walls of the product basin with a sterile scraper. A sterile hood including a liquid-impermeable cover sheet is provided for covering the heat transfer basin and the heat exchange medium therein and the upper portion of the refrigeration unit.

Although the ice slush manufacturing device disclosed above can obtain the required sterile ice slush, the cooling of the cooling tank (the cooling well or the heat transfer basin) is performed by the contact of the cooling pipe and the outer wall of the cooling tank, because the contact area of the cooling pipe and the outer wall is limited, the heat exchange is not uniform and the heat exchange efficiency is low, the quality of the manufactured ice slush is poor, for example, the particle size of the ice slush is not uniform, and the time required for manufacturing the ice slush is long.

Disclosure of Invention

The utility model aims at providing an aseptic ice machine with fretwork cooling bath to solve current ice mud machine and have the heat transfer inhomogeneous, heat exchange efficiency is lower, the relative and long problem of ice mud manufacturing time of ice mud quality. Therefore, the utility model discloses a specific technical scheme as follows:

an aseptic ice maker having an openwork cooling tank, the aseptic ice maker comprising:

a main body;

the cooling tank is arranged in the top of the main body and comprises an inner layer and an outer layer, the inner layer and the outer layer are welded together to form a cavity, the inner layer is provided with a plurality of hollowed holes communicated with the cavity, the outer wall of the inner layer is surrounded by a cooling pipe, the outer layer is sealed, and the outer wall of the outer layer is wrapped by a heat insulation layer;

the ice making basin is placed in the cooling tank, and a refrigerating medium is filled between the ice making basin and the cooling tank when the ice making basin is used;

and a refrigeration unit in fluid communication with the cooling tube.

Further, the cooling groove is in a circular basin shape with a wide upper part and a narrow lower part.

Further, the hollow holes are radially arranged.

Furthermore, the number of the hollow holes in each circle is 8-16.

Furthermore, the diameter of the hollow hole is 0.5-1.0 cm.

Further, the cooling tank is made of stainless steel.

Further, the cooling tank further comprises a discharge pipe provided at the bottom, the discharge pipe communicating with the chamber for discharging the refrigerant medium in the cooling tank.

Further, the thickness of heat preservation is 10 ~ 50 millimeters.

Further, the heat-insulating layer comprises a polyurethane foam layer, a polyethylene heat-insulating plate and a heat-insulating adhesive tape which are sequentially arranged from inside to outside.

Further, the thickness ratio of the polyurethane foam layer to the polyethylene insulation board to the heat insulation tape is 3:3: 1.

Further, the refrigerating medium is alcohol.

Further, the refrigerating unit comprises a compressor, a condenser and a restrictor, wherein one end of the compressor is connected with the return port of the cooling pipe, one end of the compressor is connected with the inlet of the condenser, and the outlet of the condenser is connected with the inlet of the cooling pipe through the restrictor.

The above technical scheme is adopted in the utility model, the beneficial effect who has is, the utility model discloses not only fully contact with the cooling tube in the secondary refrigerant, fully contact with the cooling tank wall moreover, consequently the heat transfer is even, and heat exchange efficiency is high to make the required time of making the ice slush shorten greatly, improved production efficiency, and the ice slush particle diameter of making is even, and is soft, does not have the ice sediment.

Drawings

To further illustrate the various embodiments, the invention provides the accompanying drawings. The accompanying drawings, which are incorporated in and constitute a part of this disclosure, illustrate embodiments of the invention and, together with the description, serve to explain the principles of the embodiments. Those skilled in the art will appreciate still other possible embodiments and advantages of the present invention with reference to these figures. Elements in the figures are not drawn to scale and like reference numerals are generally used to indicate like elements.

Fig. 1 is a schematic view of an aseptic ice maker according to an embodiment of the present invention;

FIG. 2 shows a top perspective view of the cooling slot of FIG. 1;

fig. 3 illustrates a cross-sectional view of an insulation layer of the aseptic ice maker shown in fig. 1.

Detailed Description

The invention will now be further described with reference to the accompanying drawings and detailed description.

In the following description, for the purposes of illustrating various disclosed embodiments, certain specific details are set forth in order to provide a thorough understanding of the various disclosed embodiments. One skilled in the relevant art will recognize, however, that the embodiments may be practiced without one or more of the specific details.

Throughout the specification and claims, the word "comprise" and variations thereof, such as "comprises" and "comprising," are to be understood as an open, inclusive meaning, i.e., as being interpreted to mean "including, but not limited to," unless the context requires otherwise.

As used in this specification and the appended claims, the singular forms "a", "an", and "the" include plural referents unless the context clearly dictates otherwise. It should be noted that the term "or" is generally employed in its sense including "and/or" unless the context clearly dictates otherwise.

As shown in fig. 1, an aseptic ice maker 1 for making ice slush from aseptic physiological saline. The aseptic ice maker 1 may include a main body 10, a cooling bath 20, an ice making tub 30, a cooling pipe 40, an insulation layer 50, a refrigerator set (a condenser 60, a compressor 70, and a restrictor 80), and the like. The main body 10 is a substantially rectangular box, and may be made of a metal material such as stainless steel, aluminum, or an alloy thereof, or a non-metal material such as hard plastic. The bottom of the main body 10 is mounted with a ground caster 110 to facilitate the movement of the ice maker.

The cooling bath 20 is provided in the top opening of the main body 10 in a shape of a circular tub having a wide upper portion and a narrow lower portion. The cooling bath 20 is a double-layered hollow structure, and specifically, the cooling bath 20 includes an inner layer 210 and an outer layer 220, and a chamber 230 between and welded to the inner layer 210 and the outer layer 220. The inner layer 210 is provided with a plurality of hollowed-out holes 211 communicating with the chamber 230 and has an outer wall surrounded by a cooling pipe 40, the cooling pipe 40 being in fluid communication with the refrigerator group to cool the cooling bath 20. The outer layer 220 is sealed and the outer wall thereof is wrapped with the insulating layer 50 to isolate the cooling tank 20 from the surrounding environment, thereby preventing the surrounding environment from exchanging heat with the cooling tank 20 and achieving the purpose of saving energy consumption. The aseptic ice making tray 30 is placed in the cooling tank 20 and filled with a refrigerant medium 90 therebetween in use so that the aseptic ice making tray 30 can be cooled to make a desired ice slush from a sterilized liquid (e.g., physiological saline) within the aseptic ice making tray 30. Since the refrigeration medium 90 enters the cavity 230 through the hollow hole 211, the refrigeration medium 90 can be sufficiently contacted with the cooling tube 40, which can improve the heat exchange efficiency between the cooling tube 40 and the cooling tank 20, thereby increasing the ice making speed; on the other hand, the temperature distribution of the cooling tank 20 is more uniform, so that the quality of the prepared ice slurry is better, the particle size of the ice slurry is uniform and soft, and no ice slag exists.

As shown in fig. 2, the holes 211 are radially arranged. The number and size of the cooling grooves can be set according to the size of the cooling grooves. Generally, the number of the holes 211 in each circle is 8 to 16. The diameter of the hollow-out holes 211 is 0.5-1.0 cm. Preferably, the hollowed-out holes 211 are round holes.

The refrigeration medium 90 is preferably a non-toxic fluid, such as pure alcohol or 75% medical grade alcohol, having a freezing point substantially below that of the sterile liquid used to make the ice slush.

Further, the bottom of the cooling bath 20 is provided with a discharge pipe 240, and the discharge pipe 240 communicates with the chamber 230 for discharging the refrigerant medium 90 inside the cooling bath 20. The drain pipe 240 may be blocked or drained by a plug or a switching valve. The discharge pipe 240 may be generally in communication with the refrigerant medium recovery vessel through a hose to allow the refrigerant medium to be discharged into the refrigerant medium recovery vessel.

Preferably, the cooling bath 20 may be made of a good heat conductive material such as copper, aluminum, stainless steel, or an alloy thereof. The aseptic ice-making basin 30 may be made of stainless steel, which must be sterilized by a sterilizing device before use.

Preferably, the cooling tube 40 is a coil made of copper. The refrigerating unit may include a compressor 60, a condenser 70, a restrictor 80, and the like, wherein one end of the compressor 60 is connected to the return port of the cooling pipe 40, and the other end is connected to the inlet of the condenser 70, and the outlet of the condenser 70 is connected to the inlet of the cooling pipe 40 via the restrictor 80. The compressor 60, condenser 70 and restriction 80 are well known to those skilled in the art and their specific construction will not be described further herein.

In a preferred embodiment, as shown in fig. 3, the insulation layer 50 may include a polyurethane foam layer 510, a polyethylene insulation board 520, and an insulation tape 530, which are sequentially arranged from the inside to the outside. Preferably, the thickness ratio among the polyurethane foam layer 510, the polyethylene insulation board 520, and the thermal insulation tape 530 is 3:3: 1. The structure is stable and reliable, and the heat preservation performance is good. The thickness of the insulating layer 50 may be, for example, 10 to 50 mm.

In addition, the aseptic ice maker 1 may further include a temperature sensor and a temperature display device. The temperature sensor is used for detecting the temperature of the ice making basin or the refrigerating medium and transmitting a signal to the temperature display device for displaying. The temperature sensor may be a resistance temperature sensor, a thermocouple temperature sensor, a thermistor, or the like. The temperature display means is generally installed at a position convenient for a user to see on the top or upper side of the main body 10. The temperature display device can also set an early warning temperature, namely, when the set temperature is reached, the temperature display device prompts by sound, sound and light, or twinkling and the like.

Now briefly explain the utility model discloses an in-service use process:

the first step is as follows: material preparation, including providing a sterile ice maker 1, a blending tool, and sterile saline as described above. The stirring tool may be, for example, a polycarbonate spatula previously fumigated with formaldehyde for future use. Of course, the stirring tool can also be sterilized in other ways. The sterile physiological saline is, for example, 0.9% NaCl sterile physiological saline (in bags or bottles), and the sterile physiological saline can be placed in a 4-degree freezer in advance for standby, so as to reduce the preparation time of ice slush.

The second step is that: the ice making tray is removed for sterilization, and may be sterilized, for example, at a high temperature.

The third step: a quantity of refrigerant medium (e.g., about 1.2L of 50% alcohol) is placed in the cooling tank.

The fourth step: the sterile ice maker is turned on to bring the temperature of the refrigeration medium down to a predetermined temperature (e.g., 4 degrees).

The fifth step: and placing the ice making basin which is sterilized and cooled to normal temperature into a cooling tank.

And a sixth step: sterile saline solution was poured into a sterile ice making tray for cooling and stirred with a polycarbonate spatula as ice began to form the desired ice slush.

While the invention has been particularly shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims (10)

1. The utility model provides an aseptic ice machine with fretwork cooling trough which characterized in that: the sterile ice maker comprises

A main body;

the cooling tank is arranged in the top of the main body and comprises an inner layer and an outer layer, the inner layer and the outer layer are welded together to form a cavity, the inner layer is provided with a plurality of hollowed holes communicated with the cavity, the outer wall of the inner layer is surrounded by a cooling pipe, the outer layer is sealed, and the outer wall of the outer layer is wrapped by a heat insulation layer;

the ice making basin is placed in the cooling tank, and a refrigerating medium is filled between the ice making basin and the cooling tank when the ice making basin is used;

and a refrigeration unit in fluid communication with the cooling tube.

2. The aseptic ice-making machine of claim 1, wherein: the cooling tank is in a round basin shape with a wide upper part and a narrow lower part.

3. The aseptic ice-making machine of claim 2, wherein: the hollow holes are radially arranged.

4. The aseptic ice-making machine of claim 3, wherein: the number of the hollow holes in each circle is 5-10.

5. The aseptic ice-making machine of claim 1, wherein: the diameter of the hollow hole is 0.5-1.0 cm.

6. The aseptic ice-making machine of claim 1, wherein said cooling tank is made of stainless steel.

7. The aseptic ice-making machine of claim 1, wherein: and a discharge pipe is arranged at the bottom of the cooling tank, is communicated with the cavity and is used for discharging the refrigerating medium in the cooling tank.

8. The aseptic ice-making machine of claim 1, wherein: the thickness of the heat preservation layer is 10-50 millimeters.

9. The aseptic ice-making machine of claim 8, wherein: the heat preservation layer comprises a polyurethane foam layer, a polyethylene heat preservation plate and a heat insulation adhesive tape which are sequentially arranged from inside to outside.

10. The aseptic ice-making machine of claim 1, wherein: the refrigerating medium is alcohol.

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