Ice cream mixing drum

A technology of ice cream and mixing drum, which is applied in the field of food processing machinery, can solve the problems of small effective contact area, difficult to achieve high-temperature pasteurization, prolong the cooling speed of ice cream, etc., and achieve the effect of high heat exchange efficiency

Inactive Publication Date: 2010-06-23
黎永雄
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The structure that surrounds the cylinder with a coil has the disadvantage of a small effective contact area between the coil and the cylinder, and the structure that surrounds the cylinder with a hollow sleeve has the disadvantage of freon taking a shortcut in the hollow sleeve, both of which are greatly Red...

Method used

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  • Ice cream mixing drum
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Examples

Experimental program
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Embodiment Construction

[0015] see figure 1 A traditional ice cream mixer with a coil heat exchanger has a cylinder body 1, a drive shaft 2, and a propeller 3. A coil pipe 12 made of copper pipe is wound outside the cylinder body 1. The working medium inlet 7 of the coil pipe 12 and the working medium The mass outlet 8 is connected to the refrigeration system. Freon vaporizes and absorbs heat in the coil 12 to cool the coil 12 and the cylinder 1. Since the contact between the coil 12 and the cylinder 1 is only point contact, the heat exchange effect is very low.

[0016] see figure 2 , the traditional ice cream stirrer equipped with a heat-absorbing sleeve has a cylinder body 1, a drive shaft 2, and a propeller 3, and the cylinder body 1 is surrounded by a heat-absorbing sleeve 13, and the working medium inlet 7 of the heat-absorbing sleeve 13 is connected to the working medium outlet 8 In the refrigeration system, Freon vaporizes and absorbs heat in the heat-absorbing jacket 13 to cool the cylinde...

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PUM

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Abstract

The invention relates to an ice cream mixing drum belonging to food processing machinery. The ice cream mixing drum comprises a cylinder body, a drive shaft, a propeller and a heat exchange sleeve, wherein a raw material inlet is arranged at one side of the cylinder body, an ice cream output valve is arranged at the other side of the cylinder body, the propeller is installed in the cylinder body, the drive shaft is connected with the propeller, the heat exchange sleeve encircles the cylinder body and is provided with a working medium inlet and a working medium outlet, and a continuous inside spiral groove is arranged between the working medium inlet and the working medium outlet on the inner wall of the heat exchange sleeve and forms a continuous spiral channel with the outer wall of the cylinder body. In the invention, a working medium channel in a continuous spiral shape combined by the inside spiral groove of the heat exchange sleeve and the outer wall of the cylinder body forces working medium to flow along the spiral channel; the working medium exchanges heat with the cylinder body with longer time and larger contact area when flowing, thereby having the advantage of high heat exchange efficiency; and pasteurization is carried out on ice cream in a stirring cylinder body when heated to 60-80 DEG C. The invention is suitable for use on various ice cream freezers and slush machines.

Description

technical field [0001] The invention belongs to food processing machinery, in particular to an ice cream mixer. Background technique [0002] Generally, ice cream mixing devices common in the market use a set of refrigeration system to cool down the mixing drum containing the ice cream raw materials, and continuously stir the ice cream raw materials in a low temperature environment to produce ice cream. There are two common structures; one uses a coil Surrounding the cylinder of the mixing drum, Freon flows through the coil to cool the cylinder, and the other surrounds the cylinder of the mixing drum with a hollow sleeve, and Freon flows through the hollow sleeve to cool the cylinder. The structure that surrounds the cylinder with a coil has the disadvantage of a small effective contact area between the coil and the cylinder, and the structure that surrounds the cylinder with a hollow sleeve has the disadvantage of freon taking a shortcut in the hollow sleeve, both of which ...

Claims

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Application Information

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IPC IPC(8): A23G9/12
Inventor 黎永雄
Owner 黎永雄
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