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Pork carcass atomized spraying cooling system and atomized spraying cooling method

A technology of atomization spraying and cooling system, which is applied in the direction of carcass cooling, slaughtering accessories, slaughtering, etc. It can solve the problems of large water marks on the surface of the carcass, uneven spraying, and no atomization spraying, etc., so as to improve the sensory properties , Improve the uniformity, reduce the effect of pre-cooling loss

Active Publication Date: 2016-10-26
NANJING AGRICULTURAL UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Some enterprises in my country have introduced atomizing spraying equipment, which can effectively control the pre-cooling loss of pig carcasses in the early stage, and reduce the 24-hour pre-cooling loss to about 1.2%, but there are uneven spraying, serious dripping and leakage, and fog There is no unified standard operating procedure for chemical spraying, and there are problems such as large water marks on the surface of the carcass

Method used

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  • Pork carcass atomized spraying cooling system and atomized spraying cooling method
  • Pork carcass atomized spraying cooling system and atomized spraying cooling method
  • Pork carcass atomized spraying cooling system and atomized spraying cooling method

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Effect test

example 1

[0043] Materials: 1440 pig halves, each weighing about 40kg.

[0044]Method: Adjust the water pressure, air pressure and flow rate of the spray. The values ​​are: the spray water pressure is 0.35Mpa, the air pressure is 0.2Mpa, and the flow rate is 13L / h.

[0045] Set up the program of the intelligent control system, select the carcass placement track (select the spray track according to the actual production situation), spray time, and the spray frequency of each time period. Before the sample enters the warehouse, pre-spray for 30 minutes, humidify and cool down. After the pig carcass enters the warehouse, intermittent spraying is carried out, and the anti-drip nozzle is used for atomization spraying treatment, and the spraying is carried out according to the previously set parameters.

[0046] Different treatment groups were tested for 6 consecutive days, and 240 pig half-carcasses were placed in each batch of treatment groups, and put into the same pre-cooling room. The t...

example 2

[0063] Materials: 19,200 pig halves, each weighing about 40kg.

[0064] method:

[0065] 1. In the four seasons (January, March, July, November), 4800 pig half-carcasses were selected and divided into three treatment groups (atomized spray, no spray, traditional spray in enterprises) ).

[0066] 2. Pre-spray for 30 minutes before entering the warehouse in treatment group 1, humidify and cool down. After the pig carcass enters the warehouse, the pig carcass is intermittently sprayed, and the anti-drip nozzle is used for atomized spraying treatment. The spray water is 0°C-5°C, and the first 4h is sprayed every 5min for 30s, and the subsequent spraying 6h is spraying for 30s every 30min. The spray water pressure is 0.35Mpa, the air pressure is 0.2Mpa, and the flow rate is 13L / h; After the treatment group 2 enters the pre-cooling room, no spray treatment is performed on the carcass; after the treatment group 3 enters the pre-cooling room, the artificial method currently used by...

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Abstract

The present invention discloses a pork carcass atomized spraying cooling system and an atomized spraying cooling method. The system comprises a pre-cooling storage, a water storage tank, a screw air compressor, an intelligent control system, a water pump, an atomizing nozzle and a plurality of control valves. The screw air compressor is connected with two air path spraying branched pipelines through a spraying main pipeline. The two air path spraying branched pipelines are connected with the atomizing nozzle. The atomizing nozzle is connected with the water pump via a third water path spraying pipeline. The water pump is connected with the water storage tank via a forth spraying pipeline. The first control valve is arranged on the spraying main pipeline, the second control valve is arranged on the forth spraying pipeline, and the first control valve and the second control valve are respectively connected with the intelligent control system. The pork carcass atomized spraying cooling system optimizes the previous atomized spraying system, can significantly reduces the pre-cooling loss of the pork carcasses, can also improve the uniformity of the atomized spraying, reduces the dripping phenomena of the atomizing nozzle, improves the color and luster, and sensory characteristics of the pork carcasses, and enhances the consumers' purchase desires.

Description

technical field [0001] The invention relates to the field of pork processing, in particular to a pig carcass atomization spray cooling system and an atomization spray cooling method. Background technique [0002] In recent years, cooling technology has been widely used in chilled meat processing. This technology can effectively inhibit microorganisms on the surface of carcass and improve meat quality, but it also causes carcass weight loss. Research at home and abroad shows that the weight loss of pig, cattle and sheep carcasses is particularly obvious during the pre-cooling process, which is about 1.75%-2.6% in North America, about 1.8%-2.7% in the United Kingdom, and about 2.3%-3.0% in my country , resulting in huge economic losses to the enterprise. [0003] Atomizing spray technology is a technology that atomizes cold water at 0-5°C into fine particles through the shear force of the airflow in the atomizing nozzle, and sprays it on the surface of the pig carcass to reduc...

Claims

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Application Information

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IPC IPC(8): A22B5/00
CPCA22B5/0076
Inventor 周光宏李春保车海栋陈玉伦徐幸莲张楠朱良齐
Owner NANJING AGRICULTURAL UNIVERSITY
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