CN211233489U

CN211233489U - Drum-type ice maker

Info

Publication number: CN211233489U
Application number: CN201922167375.8U
Authority: CN
Inventors: 雍永庆
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-12-05
Filing date: 2019-12-05
Publication date: 2020-08-11
Anticipated expiration: 2029-12-05

Abstract

The utility model relates to a drum-type ice maker, which comprises a rotatable drum shell and a conveying pipe for conveying a refrigerant; the method is characterized in that: the drum shell is provided with a heat exchange sleeve, and at least part of the conveying pipe is covered by the heat exchange sleeve; one end or two ends of the conveying pipe are coaxially matched with the roller shell, and one end or two ends of the conveying pipe are exposed out of the roller shell and connected with the rotary joint. The conveying pipe of the structure is embedded in the heat exchange sleeve, the refrigerant passes through different positions on the heat exchange sleeve under the guidance of the conveying pipe, the conveying track of the refrigerant is controllable, the refrigerant utilizes the heat exchange sleeve to uniformly absorb heat and make ice, the uniformity of making ice is effectively ensured, and the area of the roller shell capable of making ice is larger; the energy loss of the refrigerant in the process of the previous conveying is less, so that the utilization rate of the refrigerant is improved, and the ice making effect is improved; the refrigerant is transmitted through the conveying pipe, and the flux of the conveying pipe is less, so that the demand of the refrigerant is less, the load of the compressor is reduced, the overall size of the ice maker is effectively reduced, and the requirement for household or commercial use is met.

Description

Drum-type ice maker

Technical Field

The utility model relates to an ice making equipment specifically is a drum-type ice machine.

Background

Chinese patent document CN201007586Y discloses a drum evaporator for making snow and ice, which specifically discloses: the device comprises a roller body, a shaft, an air suction port and a nozzle, wherein the shaft comprises a liquid inlet and an air return port, a cavity from the liquid inlet to the nozzle and a cavity from the air return port to the air suction port are isolated from each other, the nozzle is fixed on the shaft, and the air return port and the air suction port are connected into a whole; the cavity from the liquid inlet to the nozzle and the cavity from the air return port to the air suction port are isolated from each other through sealing elements. When the rotary drum is powered on, high-pressure refrigerant liquid flows into the shaft through the liquid inlet, is divided into low-pressure and low-temperature steam through the nozzle, is sprayed on the inner wall of the rotary drum body to absorb heat and cool, so that filtered water directly contacted with the outer surface of the rotary drum body is rapidly cooled and frozen, meanwhile, gaseous refrigerant in the rotary drum body is communicated with the air return port through the right plug through the air suction port, is sucked by the compressor, is compressed again by the compressor, is cooled by the condenser, and continuously circulates in a closed refrigeration system. In the structure, the refrigerant liquid needs to be sprayed to the inner wall of the roller body by the nozzle, and the spraying mode is difficult to ensure that the refrigerant liquid is uniformly sprayed to the inner wall of the roller body, so that the refrigerating effect of the outer surface of the roller body is poor; if the uniformity of the spray is ensured, a plurality of nozzles are generally required to be arranged, which causes high manufacturing cost and high damage rate of the nozzles; in addition, the cavity space in the roller body is large, and the refrigerant liquid can reach the inner wall of the roller body only through a long stroke, so that the refrigerant liquid has large energy damage, the refrigeration effect is poor, and the demand of the refrigerant liquid is large.

Therefore, further improvement is needed to address the above drawbacks.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome the not enough of above-mentioned prior art existence, and provide a drum-type ice machine, this drum-type ice machine's refrigeration effect is good and even, low in manufacturing cost, and the refrigerant demand is few.

The purpose of the utility model is realized like this:

a roller type ice maker comprises a rotatable roller shell and a conveying pipe for conveying a refrigerant; the method is characterized in that: the drum shell is provided with a heat exchange sleeve, and at least part of the conveying pipe is covered by the heat exchange sleeve; one end or two ends of the conveying pipe are coaxially matched with the roller shell, and one end or two ends of the conveying pipe are exposed out of the roller shell and connected with the rotary joint.

The conveying pipe is arranged on the inner side of the heat exchange sleeve in a coil pipe manner. Or the conveying pipe is arranged on the inner side of the heat exchange sleeve in a tubular mode. Or a heat exchange cavity is arranged on the inner side of the heat exchange sleeve; the delivery pipe comprises a liquid inlet pipe and a liquid outlet pipe; the inlet end of the liquid inlet pipe is connected with the rotary joint, and the outlet end of the liquid inlet pipe is communicated with the heat exchange cavity; the inlet end of the liquid outlet pipe is communicated with the heat exchange cavity, and the outlet end of the liquid outlet pipe is connected with the rotary joint.

The heat exchange sleeve is made of a material with good heat conductivity. Specifically, the heat exchange jacket is made of a metal material; the conveying pipe and the heat exchange sleeve are integrally formed by die casting or casting, or the conveying pipe is assembled on the heat exchange sleeve by a pipe expansion method or a pipe contraction method.

The surface of the heat exchange sleeve is covered with a heat exchange layer with good heat conductivity, and the inner wall of the heat exchange layer is attached to the surface of the heat exchange sleeve.

The inner cavity of the drum shell is filled with heat insulation materials, and the part, which is not covered by the heat exchange sleeve, of the conveying pipe is covered by the heat insulation materials.

The heat insulating material is foam.

And one end or two ends of the roller shell are provided with a driving gear for driving and connecting the motor.

The end part of the conveying pipe is inserted into the rotary joint, and a joint bearing and a sealing element are arranged between the conveying pipe and the rotary joint.

The utility model has the advantages as follows:

the conveying pipe is embedded in the heat exchange sleeve, the refrigerant passes through different positions of the heat exchange sleeve under the guidance of the conveying pipe, the conveying track of the refrigerant is controllable, the refrigerant utilizes the heat exchange sleeve to uniformly absorb heat and make ice, the uniformity of making ice is effectively ensured, and the area of the roller shell capable of making ice is larger; the energy loss of the refrigerant in the process of the previous conveying is less, so that the utilization rate of the refrigerant is improved, and the ice making effect is improved; the refrigerant is transmitted through the conveying pipe, and the flux of the conveying pipe is less, so that the demand of the refrigerant is less, the load of the compressor is reduced, the overall size of the ice maker is effectively reduced, and the requirement for household or commercial use is met.

Drawings

Fig. 1 is a schematic view of a drum type ice maker according to a first embodiment of the present invention.

Fig. 2 is a sectional view of a drum type ice maker according to a first embodiment of the present invention.

Fig. 3 is a partial sectional view of a drum type ice maker according to a first embodiment of the present invention.

Fig. 4 is a schematic view of a drum type ice maker according to a second embodiment of the present invention.

Fig. 5 and fig. 6 are sectional views of a drum type ice maker according to a second embodiment of the present invention.

Fig. 7 is a schematic view of a drum type ice maker according to a third embodiment of the present invention.

Fig. 8 and 9 are sectional views of a drum type ice maker according to a third embodiment of the present invention.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and examples.

First embodiment

Referring to fig. 1-3, the drum-type ice maker includes a drum housing rotatable around its axis and a duct 6 for conveying a refrigerant; a sleeve-shaped heat exchange sleeve 7 is arranged on the inner side of the roller shell, and at least part of the conveying pipe 6 is coated by the heat exchange sleeve 7, so that the heat absorption effect of the refrigerant is better reflected on the heat exchange sleeve 7, and the heat exchange sleeve 7 is used for uniformly absorbing heat of liquid on the outer surface of the roller shell; two ends of the conveying pipe 6 are respectively and coaxially matched with the roller shell, and two ends of the conveying pipe 6 are respectively exposed out of two ends of the roller shell and connected with the corresponding rotary joints 1, so that the roller shell rotates around two ends of the conveying pipe 6. In the structure, the conveying pipe 6 effectively guides the refrigerant to swim inside the heat exchange sleeve 7, so that the heat absorption performance of the refrigerant acts on the heat exchange sleeve 7 and uniformly absorbs the heat of the liquid on the outer surface of the roller shell, the ice making effect is uniform, the ice making area is larger, the ice making performance is more reliable, and the ice making efficiency is greatly improved; the delivery pipe 6 has less flux, and compared with the traditional ice making equipment, the required amount of the refrigerant is relatively less under the same ice making effect, and the whole volume of the ice making machine is smaller, so that the ice making machine is suitable for household or commercial use and has wide application range.

Further, the delivery pipe 6 is arranged inside the heat exchange jacket 7 in a coil type; specifically, for the extension refrigerant at the inboard transport stroke of heat transfer cover 7, conveyer pipe 6 middle part spirals with the spiral, and whole shape cooperatees with heat transfer cover 7 to pre-buried 7 inboards at the heat transfer cover, realize comprehensive contact between conveyer pipe 6 and the heat transfer cover 7, and then promote the heat absorption effect of heat transfer cover 7.

Further, the heat exchange jacket 7 of the present embodiment is made of a metal material with good thermal conductivity; the conveying pipe 6 and the heat exchange sleeve 7 are integrally formed by die casting or casting, or the conveying pipe 6 is assembled in the heat exchange sleeve 7 by a pipe expansion method or a pipe contraction method. The heat exchange sleeve 7 made of metal can conduct heat effectively, the heat absorption effect of a refrigerant is reflected on the heat exchange sleeve 7 better, and therefore the ice making effect on the outer surface of the roller shell is more uniform, the ice making effect is better, and the ice making area is larger.

Further, the heat exchange sleeve 7 is arranged in the middle of the roller shell, the heat exchange layer 5 with good heat conductivity covers the outer surface of the heat exchange sleeve 7, and the inner wall of the heat exchange layer 5 is attached to the surface of the heat exchange sleeve 7 so as to ensure the heat transfer effect between the heat exchange layer and the heat exchange sleeve; specifically, heat transfer layer 5 is the cover barrel that is enclosed by the corrosion resistant plate, and this corrosion resistant plate surface carries out food level and handles to guarantee edible safety.

Further, the inner cavity of the drum shell is filled with an insulating material 4, and the insulating material 4 is foam with poor thermal conductivity; the part of the delivery pipe 6 which is not covered by the heat exchange jacket is covered by the heat insulating material 4. The heat insulating material 4 can effectively fill the inner cavity of the roller shell, so that the overall strength of the roller shell is improved, the structure is more stable and reliable, and the heat absorption phenomenon of the refrigerant reaching the heat exchange sleeve 7 in the early stage of transportation (not reaching the heat exchange sleeve 7) and the surrounding environment can be avoided, so that the heat absorption effect of the refrigerant reaching the heat exchange sleeve 7 is reduced.

Further, one end of the drum shell is provided with a driving gear 2 for driving and connecting a motor (not shown), the driving gear 2 is made of a material with poor thermal conductivity, such as plastic, and the driving gear 2 with poor thermal conductivity can avoid generating condensed water. The two ends of the roller shell are respectively provided with a roller bearing 3, so that the roller shell can rotate more smoothly.

Furthermore, two ends of the conveying pipe 6 are respectively inserted into the corresponding rotary joints 1, the conveying pipe 6 is communicated with a channel on the inner side of the rotary joint 1, and the conveying pipe 6 is communicated with the corresponding end part of the compressor through the rotary joint 1; a joint bearing 8 and a seal 9 are provided between the delivery pipe 6 and the rotary joint 1. Specifically, two rotary joints 1 are respectively connected with two ends of the compressor, and the rotary joints 1 are fixedly arranged; the end of the conveying pipe 6 is inserted into the rotary joint 1, and a joint bearing 8 and a sealing piece 9 are arranged between the outer wall of the conveying pipe 6 and the inner wall of the rotary joint 1.

Second embodiment

Referring to fig. 4 to 6, the present drum type ice maker is different from the first embodiment in that: conveyer pipe 6 sets up in heat exchange sleeve 7 inboardly with the shell and tube, specifically is, for the extension refrigerant at the inboard transport stroke of

heat exchange sleeve

7, 6 circuitous winding of conveyer pipe, whole shape and heat exchange sleeve 7 cooperate to pre-buried in heat exchange sleeve 7 inboardly, realize comprehensive contact between conveyer pipe 6 and the heat exchange sleeve 7, and then promote heat exchange sleeve 7's endothermic effect.

Other parts not described above are the same as those of the first embodiment, and are not explained in detail here.

Third embodiment

Referring to fig. 7 to 9, the present drum type ice maker is different from the first embodiment in that: a sleeve-shaped heat exchange cavity 701 is integrally formed on the inner side of the heat exchange sleeve 7, and a liquid inlet and a liquid outlet which are respectively communicated with the heat exchange cavity 701 are formed in the inner wall of the heat exchange sleeve 7; the delivery pipe 6 comprises a liquid inlet pipe 61 and a liquid outlet pipe 62; the inlet end of the liquid inlet pipe 61 is coaxially matched with the heat exchange sleeve 7 and is connected with the rotary joint 1, the outlet end of the liquid inlet pipe 61 is inserted into the liquid inlet to be communicated with the heat exchange cavity 701, and the part of the liquid inlet pipe 61 inserted into the liquid inlet is coated by the heat exchange sleeve 7, so that liquid leakage is effectively avoided; the inlet end of the liquid outlet pipe 62 is inserted into the liquid outlet to be communicated with the heat exchange cavity 701, the part of the liquid outlet pipe 62 inserted into the liquid outlet is coated by the heat exchange sleeve 7, liquid leakage is effectively avoided, and the outlet end of the liquid outlet pipe 62 is coaxially matched with the heat exchange sleeve 7 and is connected with the rotary joint 1.

The foregoing is a preferred embodiment of the present invention showing and describing the basic principles, main features and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are intended to illustrate the principles of the invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention, and the scope of the invention is to be protected. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A roller type ice maker comprises a rotatable roller shell and a conveying pipe (6) for conveying a refrigerant; the method is characterized in that: the roller shell is provided with a heat exchange sleeve (7), and at least part of the conveying pipe (6) is coated by the heat exchange sleeve (7); one end or two ends of the conveying pipe (6) are coaxially matched with the roller shell, and one end or two ends of the conveying pipe (6) are exposed out of the roller shell and connected with the rotary joint (1).

2. The drum type ice maker as claimed in claim 1, wherein: the conveying pipe (6) is arranged on the inner side of the heat exchange sleeve (7) in a coil type.

3. The drum type ice maker as claimed in claim 1, wherein: the conveying pipe (6) is arranged on the inner side of the heat exchange sleeve (7) in a tubular mode.

4. The drum type ice maker as claimed in claim 1, wherein: a heat exchange cavity (701) is arranged on the inner side of the heat exchange sleeve (7); the delivery pipe (6) comprises a liquid inlet pipe (61) and a liquid outlet pipe (62); the inlet end of the liquid inlet pipe (61) is connected with the rotary joint (1), and the outlet end of the liquid inlet pipe (61) is communicated with the heat exchange cavity (701); the inlet end of the liquid outlet pipe (62) is communicated with the heat exchange cavity (701), and the outlet end of the liquid outlet pipe (62) is connected with the rotary joint (1).

5. The drum type ice maker as claimed in claim 1, wherein: the heat exchange sleeve (7) is made of a material with good heat conductivity.

6. The drum type ice maker as claimed in claim 5, wherein: the heat exchange sleeve (7) is made of a metal material; the conveying pipe (6) and the heat exchange sleeve (7) are integrally die-cast or cast and formed, or the conveying pipe (6) is assembled on the heat exchange sleeve (7) by a pipe expansion method or a pipe contraction method.

7. The drum type ice maker as claimed in claim 1, wherein: the surface of the heat exchange sleeve (7) is covered with a heat exchange layer (5) with good heat conductivity, and the inner wall of the heat exchange layer (5) is attached to the surface of the heat exchange sleeve (7).

8. The drum type ice maker as claimed in claim 1, wherein: the inner cavity of the drum shell is filled with heat insulation materials (4), and the part, which is not coated by the heat exchange sleeve, of the conveying pipe (6) is coated by the heat insulation materials (4).

9. The drum type ice maker as claimed in claim 1, wherein: and one end or two ends of the roller shell are provided with a driving gear (2) for driving and connecting a motor.

10. The drum type ice maker as claimed in claim 1, wherein: the end part of the conveying pipe (6) is connected with the rotary joint (1) in an inserting mode, and a joint bearing (8) and a sealing piece (9) are arranged between the conveying pipe (6) and the rotary joint (1).