Efficient and automatic preserved egg pickling and feed liquid copper ion concentration real-time monitoring equipment and a preserved egg processing method

A technology of real-time monitoring and copper ions, applied in color/spectral characteristic measurement, food science, etc., can solve the problems of high equipment cost, difficulty in configuring equipment and personnel, and inability to guide production in time, so as to reduce slag, increase reflux, The effect of mixing evenly

Active Publication Date: 2020-04-10
INST OF ANIMAL SCI & VETERINARY HUBEI ACADEMY OF AGRI SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The purpose of the present invention is to solve the problem that the existing preserved egg pickling process is manually operated, and the atomic absorption method is used for conventional detection of copper ion content. The disadvantages are: special atomic absorption equipment must be used, and the equipment cost is high. It is difficult for general processing enterprises to configure equipment and personnel. If it is sent to the testing unit for measurement, it will be delayed and cannot guide production in time to avoid the problem of protein alkali damage or eggshell spots caused by too high or too low copper ion content, resulting in In order to solve the problem of economic loss, a kind of high-efficiency automatic pickling of preserved eggs and real-time monitoring equipment for copper ion concentration in feed liquid are proposed

Method used

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  • Efficient and automatic preserved egg pickling and feed liquid copper ion concentration real-time monitoring equipment and a preserved egg processing method
  • Efficient and automatic preserved egg pickling and feed liquid copper ion concentration real-time monitoring equipment and a preserved egg processing method
  • Efficient and automatic preserved egg pickling and feed liquid copper ion concentration real-time monitoring equipment and a preserved egg processing method

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Effect test

Embodiment 1

[0041] In the present invention, 1000 pieces of fresh duck eggs are pickled, the average weight of eggs is 68g, 68kg in total, and the marinating material liquid is configured: the mother liquor for pickling is prepared: according to the total egg weight, the water-egg weight ratio is 1.5:1 and pours cold boiled water into the batching tank 100kg, add 5.4kg of edible grade sodium hydroxide 5.4% in terms of water quality, stir and let stand, add 3kg of edible salt and 0.5kg of quicklime of 0.5% in water respectively after cooling, stand and cool for subsequent use; metal salt mother liquor preparation : Prepare a metal salt mother liquor containing edible-grade copper sulfate and zinc sulfate, wherein 0.32kg of edible-grade copper sulfate and 0.08kg of zinc sulfate, the total mass of edible-grade copper sulfate and zinc sulfate is 0.36% of the pickling mother liquor, in batching pool 1 Pour the marinade liquid into it, code the cleaned duck eggs into a stainless steel mesh baske...

Embodiment 2

[0043] The analysis step of Cu2+ ion concentration of the present invention is accomplished through the following steps:

[0044] The manipulator 24 starts to send the cuvette 28 into the sample chamber 26;

[0045] Start detector 25 to detect, process data by data processor 16, come the concentration of copper ion in real-time fast detection feed liquid by ultraviolet spectrophotometry;

[0046] According to the preset value, once the copper ion concentration is greater than the preset value, the electromagnetic valve on the first pipeline 2 is controlled to open the passage through computer program control, and the metal salt mother liquor is input into the tank body 5 to make the metal salt in the tank body 5 The copper ion concentration of the mother liquor increases, while adding the metal salt mother liquor in the tank body 5, the metal salt mother liquor is input into the cuvette 28 as above, and is detected again, and when the copper ion concentration required for pick...

Embodiment 3

[0048] Through conventional (manual) detection, detection by this device and detection by other devices on the market, the concentration change curve of copper ions in a certain period during the processing can be obtained. It can be seen from Figure 3 that the concentration change trend of copper ions detected by this device is The results obtained from routine testing are obviously more accurate than other devices.

[0049] Note: The principle of this device to detect the concentration of copper ions is actually to use the BCA colorimetric method to detect the concentration of copper ions through a spectrophotometer. The function of the metal mother liquid, the second is that the operation means in the colorimetric process is automatically controlled by the set device (manipulator, pipeline, etc.).

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Abstract

The invention discloses efficient and automatic preserved egg pickling and feed liquid copper ion concentration real-time monitoring equipment and a preserved egg processing method. The equipment comprises a tank body, a batching pool, a feed liquid pretreatment box, a detection box, a sample chamber, a pure water pool and a waste liquid cylinder; a tank cover is arranged at the upper end of the tank body, supporting legs are arranged at the lower end of the tank body, a mounting plate is fixed between the supporting legs, and an equipment controller and a data processor are fixed at the upperend of the mounting plate. According to the efficient and automatic preserved egg pickling and feed liquid online detection device, full-automatic pickling of duck eggs is realized; the pickling efficiency of the duck eggs is improved; the content of metal copper ions in the pickling liquid is automatically detected; a computer control program can take corresponding measures in time; if the copper ion concentration is lower than a set value, the computer program can automatically control a metal salt mother liquor to be added into a set value range, so protein alkali damage liquefaction is effectively avoided, and if the copper ion concentration is higher than the set value, the program can prompt that preserved eggs need to be taken out of the tank in advance to prevent excessive eggshell spots.

Description

technical field [0001] The invention relates to the technical field of preserved egg production, in particular to a device for efficient automatic pickling of preserved eggs and real-time monitoring of copper ion concentration in feed liquid. Background technique [0002] Preserved eggs, also known as preserved eggs and bien eggs, are traditional flavored egg products in my country. The pickling process of preserved eggs is formed by the combined action of duck egg contents with alkali substances and other auxiliary materials, among which sodium hydroxide plays a major role, which gradually penetrates into the protein during processing to promote the coagulation of the protein. During the pickling process, metal compounds are added, the main purpose of which is to combine with the sulfur ions produced by the decomposition of protein in the egg to form insoluble salt sulfide and block the eggshell pores, hindering the continuous penetration of OH- into the egg, resulting in p...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23L15/00G01N21/33
CPCA23L15/00A23L15/30G01N21/33
Inventor 孙静吴艳张巍杜金平皮劲松梁振华申杰潘爱銮张昊黄涛
Owner INST OF ANIMAL SCI & VETERINARY HUBEI ACADEMY OF AGRI SCI
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