CN212157756U

CN212157756U - Novel super-cooled ice slurry generator

Info

Publication number: CN212157756U
Application number: CN201922247824.XU
Authority: CN
Inventors: 范志广
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-12-13
Filing date: 2019-12-13
Publication date: 2020-12-15
Anticipated expiration: 2029-12-13

Abstract

The utility model relates to a novel super-cooled ice slurry generator, including sealed cowling, upper end cover, heat transfer barrel, rotation axis, stirring paddle, lower extreme cover, heat preservation inoxidizing coating etc.. The heat exchange cylinder body isolates the refrigerant and the ice slurry working medium and carries out heat exchange by taking the cylinder body as a medium. The wall of the heat exchange cylinder is provided with a dense vertical channel structure, and the refrigerant enters the heat exchange channel through the refrigerant inlet pipe, absorbs heat and is discharged through the refrigerant outlet pipe to return to the refrigerating system. The center of the heat exchange cylinder is provided with a rotating shaft which can be driven by an external motor to rotate, and stirring paddles are symmetrically distributed on the rotating shaft. Water or solution enters the inner side of the heat exchange cylinder from the water inlet of the lower end cover, is driven by the stirring paddle to carry out rapid spiral motion along the inner wall of the cylinder, and is discharged from the ice outlet of the sealing cover after the released heat reaches a supercooled state, so that ice slurry is formed. The utility model discloses an integrated into one piece's microchannel heat transfer barrel technique has improved heat exchange efficiency and reliability, reduces the cost of manufacture.

Description

Novel super-cooled ice slurry generator

Technical Field

The utility model relates to an ice slurry preparation technology especially relates to a novel super-cooled ice slurry generator.

Background

The ice slurry generator is a core component for preparing ice slurry, and the existing ice slurry generator is mainly manufactured by welding a heat exchange cylinder body and a refrigerant flow channel and obtaining ice crystals in a scraping mode. The ice slurry generator manufactured by the method has the advantages that the heat exchange barrel directly bears the pressure of the refrigerant, so that the thickness of the material used by the barrel is increased, the temperature difference between the refrigerant and the ice slurry working medium is increased in the heat transfer process, the energy loss of ice slurry production is increased, and the production cost is increased. In addition, the refrigerant flow channel is integrally welded with the heat exchange barrel, so that the barrel is easy to deform in a welding manner, and the gap between the barrel wall and the ice slurry stirring part after deformation is reduced, so that the accidents of blockage of the stirring part and burning of an external motor are easily caused.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model provides a make simply, need not a large amount of welding process, heat exchange efficiency is high, operational reliability is high ice thick liquid generating device.

In order to achieve the above purpose, the utility model provides a following technical scheme:

a novel supercooling type ice slurry generator comprises a sealing cover, an upper end cover, a heat exchange cylinder body, a rotating shaft, stirring blades, a lower end cover and a heat preservation protective layer. The heat exchange cylinder body isolates the refrigerant and the ice slurry working medium and carries out heat exchange by taking the cylinder body as a medium. The wall of the heat exchange cylinder is provided with a dense vertical channel structure, and the refrigerant enters the heat exchange channel through the refrigerant inlet pipe, absorbs heat and is discharged through the refrigerant outlet pipe to return to the refrigerating system. The center of the heat exchange cylinder is provided with a rotating shaft which can be driven by an external motor to rotate, and stirring paddles are symmetrically distributed on the rotating shaft. Water or solution enters the inner side of the heat exchange cylinder from the water inlet of the lower end cover, is driven by the stirring paddle to carry out rapid spiral motion along the inner wall of the cylinder, and is discharged from the ice outlet of the sealing cover after the released heat reaches a supercooled state, so that ice slurry is formed.

Further, the heat exchange cylinder is made of aluminum or aluminum alloy materials.

Further, the upper end cover and the lower end cover are made of aluminum or aluminum alloy materials.

Further, the sealing cover is made of aluminum material or plastic.

Furthermore, the stirring blades are symmetrically distributed and fixed on the middle shaft, and are divided into a plurality of sections from top to bottom and are arranged in a staggered mode.

Further, the stirring blades are connected to the rotating shaft through an elastic tensioning mechanism, and the gap distance between the blades and the wall of the heat exchange barrel can be adjusted.

Further, the agitating blade and the rotary shaft are made of plastic.

Further, the sealing cover is made of plastic.

Furthermore, the outer part of the ice slurry generator is coated by a metal plate, and a polyurethane foaming heat-insulating material is filled between the outer plate and the cooling plate.

Compared with the prior art, the beneficial effects of the utility model are that:

1. by adopting the integrally formed micro-channel heat exchange cylinder technology, a large amount of welding and machining operations are cancelled, the production efficiency is greatly improved, the production cost is reduced, and the product safety is higher.

2. The heat exchange cylinder made of aluminum materials has higher heat conductivity coefficient than steel materials, the heat exchange with small temperature difference is easier to realize, and the reduction of energy consumption is facilitated.

3. The multi-section stirring blade adopting elastic connection replaces the traditional spiral ice skate blade, so that the assembly precision requirement of the stirring device and the barrel body is reduced, a large amount of production workload can be reduced, the production efficiency is improved, and the production cost is reduced.

4. The stirring paddle and the rotating shaft are made of plastic materials, so that the self weight of components and the power of an external motor are reduced, the production cost is greatly reduced, the use energy consumption is reduced, and the use reliability is improved.

Drawings

Fig. 1 is a cross-sectional view of the novel super-cooling ice slurry generator of the present invention.

Fig. 2 is a horizontal cross-sectional view of the heat exchange cylinder of the novel super-cooling ice slurry generator of the present invention.

Fig. 3 is a plan view and a partial sectional view of an upper end cover of the novel supercooling type ice slurry generator of the present invention.

Description of reference numerals: 1-sealing cover, 2-ice outlet, 3-upper end cover, 4-rotating shaft, 5-stirring paddle, 6-refrigerant outlet pipe, 7-heat exchange barrel, 8-heat preservation protective layer, 9-water inlet, 10-refrigerant inlet pipe, 11-support leg, 12-lower end cover, 13-fixed bearing

Detailed Description

The present invention will be further explained with reference to the accompanying drawings:

as shown in figure 1, the utility model discloses a novel super-cooled ice slurry generator, which comprises an ice slurry barrel main body, a stirring device and a heat preservation protective layer 3 functional modules.

The ice slurry barrel body consists of a sealing cover 1, an upper end cover 3, a heat exchange barrel body 7, a lower end cover 12 and supporting legs 11. The middle of the wall of the heat exchange cylinder 7 is provided with a plurality of flow channels which are arranged in a circular ring shape and are connected with the upper end cover 3 and the lower end cover 12, the inner side of the heat exchange cylinder forms a closed refrigerant channel, and the outer side of the heat exchange cylinder forms an ice slurry working medium flow channel. Refrigerant or secondary refrigerant from an external refrigerating system enters a refrigerant channel through a refrigerant inlet pipe 10, exchanges heat with ice slurry working medium by taking the cylinder wall as a medium, is discharged through a refrigerant outlet pipe 6 after absorbing heat, and returns to the external refrigerating system for circulation. Water or solution as ice slurry working medium enters the ice slurry working medium flow passage from the water inlet 9 of the lower end cover 12, and is discharged from the ice outlet 2 after being cooled.

In a further scheme, the heat exchange cylinder 7 is made of aluminum or aluminum alloy materials, and has better ductility and heat exchange effect.

In a further scheme, the upper end cover 3 and the lower end cover 12 are made of aluminum or aluminum alloy materials and are welded with the heat exchange cylinder 7, so that the overall strength is higher, and the production cost can be further reduced.

In a further scheme, the sealing cover 1 is made of aluminum materials or plastics, so that the product weight is lighter, and the production cost is lower.

The stirring means is composed of a rotating shaft 4 and stirring paddles 5. The upper end and the lower end of the rotating shaft 4 are respectively fixed on the sealing cover 1 and the lower end cover 12 and are driven to rotate by an external motor. The stirring paddles 5 are of a multi-block sheet structure, are symmetrically distributed by taking the rotating shaft 4 as a center, and are arranged in a staggered manner at the upper section and the lower section. The stirring paddle rotates rapidly to drive the ice slurry working medium to perform rapid spiral motion along the inner wall of the heat exchange cylinder 7. The ice slurry working medium is continuously cooled in the process of rapid movement to reach a supercooled state.

In a further scheme, the stirring blades 5 are connected and fixed with the rotating shaft 4 through an elastic tensioning mechanism, so that the gap distance between the blades and the wall of the heat exchange barrel can be adjusted, a large amount of machining work is reduced, and the production cost is reduced.

In a further scheme, the stirring blades 5 and the rotating shaft 4 are made of plastics, so that the stirring device is lighter in weight, the power consumption can be reduced, the production cost can be reduced, and the service life can be prolonged.

The heat preservation protective layer 8 is made of foaming heat preservation materials, and is coated on the outer surface of the barrel body, so that heat transfer between the outside and the barrel body is reduced.

In a further scheme, the heat-insulating protective layer 8 is composed of a polyurethane foaming heat-insulating material and a metal plate, so that the heat-insulating effect is achieved, and an internal structural part can be effectively protected.

Claims

1. The utility model provides a novel super-cooled ice slurry generator which characterized in that: the device consists of a sealing cover, an upper end cover, a heat exchange cylinder, a rotating shaft, stirring blades, a lower end cover and a heat-insulating protective layer; the wall of the heat exchange cylinder is provided with a dense vertical channel structure, and a refrigerant enters the heat exchange channel through a refrigerant inlet pipe, absorbs heat and is discharged through a refrigerant outlet pipe; the sealing cover is a disc-shaped cover body with one end having a structure similar to that of the flange; the upper end cover is a fixing piece with a structure similar to that of the flange at the upper end of the heat exchange cylinder; the rotating shaft is arranged in the center of the heat exchange cylinder body, and stirring blades are symmetrically distributed on the rotating shaft; the upper end cover is a fixing piece with a structure similar to that of the flange at the lower end of the heat exchange cylinder; the heat preservation protective layer is made of materials with heat insulation characteristics and enough strength and covers the outer side of the heat exchange cylinder.

2. The novel supercooled ice slurry generator as claimed in claim 1, wherein: the heat exchange cylinder is made of aluminum or aluminum alloy materials.

3. The novel supercooled ice slurry generator as claimed in claim 1, wherein: the upper end cover and the lower end cover are made of aluminum or aluminum alloy materials.

4. The novel supercooled ice slurry generator as claimed in claim 1, wherein: the sealing cover is made of aluminum material or plastic.

5. The novel supercooled ice slurry generator as claimed in claim 1, wherein: the stirring paddles are symmetrically distributed and fixed on the middle shaft, and are divided into a plurality of sections from top to bottom and are arranged in a staggered mode.

6. The novel supercooled ice slurry generator as claimed in claim 1, wherein: the stirring blades are connected to the rotating shaft through an elastic tensioning mechanism, and the gap distance between the blades and the wall of the heat exchange barrel can be adjusted.

7. The novel supercooled ice slurry generator as claimed in claim 1, wherein: the agitating blade and the rotary shaft are made of plastic.

8. The novel supercooled ice slurry generator as claimed in claim 1, wherein: the ice slurry generator is coated by a metal plate, and polyurethane foaming heat-insulating materials are filled between the surface plate and the cooling plate.