A cold disinfection method for cip central control system of dairy product production line

A central control system, cold disinfection technology, applied in cleaning methods and utensils, chemical instruments and methods, cleaning methods using liquids, etc. Stability and other issues, to achieve the effect of excellent flushing effect, avoiding excess energy consumption, shortening working time and waiting time

Active Publication Date: 2017-11-10
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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  • A cold disinfection method for cip central control system of dairy 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 the central control system of a dairy product production line, which is used for cold disinfection treatment of milk collection pipelines, milk tank cars, raw material storage tanks and homogenizing machines, comprising the following steps: (1) opening the CIP central control system Carry out original cleaning of the production line, (2) empty the acid solution in the pickling tank in the CIP central control system, and input cold disinfectant; (3) adjust the pickling temperature to normal temperature through the CIP central control system, set the acid The washing process takes 8 to 15 minutes; the CIP central control system is turned on for a separate pickling process. (4) After the pickling in step 3, rinse with water for 3 to 5 minutes; (5) Drain the cold disinfectant in the pickling tank, rinse it, and then transport the acid solution discharged in step 2 back to the pickling tank . The cold disinfection method of the central control system of the present invention realizes automatic cold disinfection, greatly reduces the waiting time and disinfection time of the disinfection process, and improves the efficiency of CIP disinfection in the production process.

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 Patents(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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