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Cold disinfection method for cip center control system of milk product production line

A central control system and cold disinfection technology, applied in cleaning methods and utensils, chemical instruments and methods, cleaning methods using liquids, etc., can solve the problems of long manual control of the CIP system, poor coordination of the CIP cleaning process, and poor disinfection effect Stability and other issues, to achieve the effect of excellent flushing effect, shortened working time and waiting time, and reduced waiting time and disinfection time

Active Publication Date: 2015-10-14
四川新华西乳业有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This leads to the defect that the synergy between the disinfection process and the CIP cleaning process is extremely poor, the disinfection effect is unstable, and there are problems such as long time and low efficiency of manual control of the CIP system

Method used

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  • Cold disinfection method for cip center control system of milk product production line

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] Such as figure 1 The production line of the CIP central control system shown is subjected to cold disinfection according to the following steps: (1) Turn on the CIP central control system to clean and disinfect the production line: first rinse with clean water for 3 minutes. Then circulate with hot alkaline detergent at 75°C for 15 minutes, and rinse with water for 5 minutes after the cycle of hot alkaline detergent is completed. Then circulate the acid solution at 70°C for 15 minutes, and rinse with warm water at 50-55°C for 5 minutes after the acid solution cycle is completed. (2) Empty the acid solution in the pickling tank in the CIP central control system, and input 500ppm peracetic acid cold disinfectant. (3) Adjust the temperature of the pickling program to room temperature through the CIP central control system without additional heat treatment; set the rinse time of the pickling program to 15 minutes. Then, turn on the CIP central control system to implement...

Embodiment 2

[0034] The cold disinfection of the pasteurized pure milk production line is as follows: (1) Turn on the CIP central control system to perform original cleaning on the production line: first, rinse with water for 5 minutes, then stop the clean water rinse in the CIP central control, and use 75°C with a concentration of 0.8%~ 1.2% sodium hydroxide solution circulates as alkaline detergent for 10-15 minutes. After the cycle of alkaline detergent is completed, rinse with water for 3 to 5 minutes, then circulate with dilute nitric acid with a concentration of 0.8% to 1.0% at 65 to 70°C for 10 to 15 minutes, and after the cycle of acid solution is completed, rinse with hot water at 90°C for 3 to 5 minutes 5min. (2) Transfer the acid solution in the pickling tank in the CIP central control system to an idle tank for storage, and then input 500ppm peracetic acid solution as a cold disinfectant. (3) Set the flushing degree of the pickling tank in the CIP system through the CIP centra...

Embodiment 3

[0036] Similar to Example 2, only a filter is set on the solution output pipeline of the CIP system, and a filter screen with a pore size of 0.21 to 0.75 microns is arranged in the filter.

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Abstract

The invention discloses a cold disinfection method for a cip center control system of a milk product production line. The cold disinfection method is used for carrying out cold disinfection on a milk collecting pipeline, a milk tank car, a raw material storage tank and a homogenizing machine and comprises the following steps of (1) starting the cip center control system to primarily clean a production line; (2) emptying an acid liquor in an acid pickling tank in the cip center control system, and inputting a cold disinfectant; (3) regulating the acid pickling temperature to normal temperature through the cip center control system, and setting the acid pickling process time within 8-15 minutes; starting the cip center control system to carry out an independent acid pickling process; (4) flushing with water for 3-5 minutes after ending the acid pickling operation in the step (3); and (5) emptying the cold disinfectant in the acid pickling tank, flushing to be clean, and then, conveying the acid liquor discharged in the step (2) to the acid pickling tank. By using the cold disinfection method for the center control system, automatic cold disinfection is realized, both the disinfection process waiting time and the disinfection time are greatly shortened, and the cip disinfection efficiency in the production process is increased.

Description

technical field [0001] The invention relates to a disinfection method, in particular to a cold disinfection method for a central control system of a dairy product production line. Background technique [0002] Clean in Pleace (CIP for short) is to use a certain temperature and concentration of cleaning solution to continuously and powerfully wash the equipment without disassembling the equipment or parts, so that the surface of the equipment that is in contact with food A method of cleaning and sterilizing. [0003] In the prior art, it is generally believed that the method of high-temperature disinfection is better, because there are many pipelines operating at temperature in various dairy product production lines, and the corresponding possible bacterial contamination has a certain heat resistance. to effectively kill bacteria. However, for some types of dairy production equipment, the assembly precision is high, and the material selection is extremely demanding. As a re...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61L2/18B08B3/04A61L101/36A61L101/20A61L101/02
Inventor 王俊峰杨兵袁强杨仁伟铁红林刘丹
Owner 四川新华西乳业有限公司
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