基于可编程控制器的猪胴体喷淋冷却作业控制系统设计
喷淋冷却是一种可以有效降低猪胴体预冷干耗的方法,但由于缺乏相关设备,生产中多采用人工作业的方式进行喷淋。针对人工作业中存在的劳动繁重、效果不稳定等问题,该文设计了一种以PLC(programmable logic controller)为处理器、触摸屏为人机界面的猪胴体喷淋冷却控制系统,该系统可实现猪胴体喷淋冷却作业的自动启停,并支持在触摸屏上人工调整喷淋作业参数等功能。干耗试验表明:人工喷淋的猪胴体24 h冷却干耗均值分别为:夏季1.59%±0.14%,冬季1.34%±0.10%,采用该控制系统分别为:夏季1.25%±0.07%,冬季1.19%±0.05%,相比于人工喷淋分别降低了21.4%...
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Published in | 农业工程学报 Vol. 34; no. 3; pp. 273 - 278 |
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Main Author | |
Format | Journal Article |
Language | Chinese |
Published |
南京农业大学工学院,南京 210031
2018
南京农业大学,农业部畜产品加工重点实验室,教育部肉品加工与质量控制重点实验室,南京 210095%南京农业大学工学院,南京,210031%南京农业大学,农业部畜产品加工重点实验室,教育部肉品加工与质量控制重点实验室,南京 210095 |
Subjects | |
Online Access | Get full text |
ISSN | 1002-6819 |
DOI | 10.11975/j.issn.1002-6819.2018.03.036 |
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Summary: | 喷淋冷却是一种可以有效降低猪胴体预冷干耗的方法,但由于缺乏相关设备,生产中多采用人工作业的方式进行喷淋。针对人工作业中存在的劳动繁重、效果不稳定等问题,该文设计了一种以PLC(programmable logic controller)为处理器、触摸屏为人机界面的猪胴体喷淋冷却控制系统,该系统可实现猪胴体喷淋冷却作业的自动启停,并支持在触摸屏上人工调整喷淋作业参数等功能。干耗试验表明:人工喷淋的猪胴体24 h冷却干耗均值分别为:夏季1.59%±0.14%,冬季1.34%±0.10%,采用该控制系统分别为:夏季1.25%±0.07%,冬季1.19%±0.05%,相比于人工喷淋分别降低了21.4%、11.2%(喷淋参数:高频喷淋2 h、高频喷淋间歇时长30 min、低频喷淋4 h、低频喷淋间歇时长60 min、单次喷淋时长20 s)。该参数下,人工喷淋作业结束后,猪胴体需在预冷库内继续静置12 h才能将温度降至4℃,采用该系统完成喷淋作业后,继续静置7 h即可达到相同效果,减少了27.7%的冷却时间。该系统的猪胴体24 h降耗稳定性显著高于人工作业(P〈0.05)且不受季节影响(P〉0.05),且具有操作简单,工作稳定可靠等特点,能够免除繁重劳动,降低人力成本。可适用于与生猪屠宰有关的降温降耗领域。 |
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Bibliography: | Chen Yulun1,2 , Sun Chenyang1 , Lu Zhongshan1 , Fan Leiming1 , Li Yinian 1,2, Li Chunbao 2 (1. College of Engineering, Nanjing Agricultural University, Nanjing 210031, China; 2. Key Laboratory of Animal Products Processing of Ministry of Agriculture, Key Laboratory of Meat Processing and Quality Control, Ministry of Education, Nanjing Agricultural University, Nanjing 210095, China) 11-2047/S spraying; cooling; design; pig carcass; water loss rate; PLC The temperature of pig carcass rises after slaughtering, so the carcass needs to be cooled immediately to reduce the water loss and improve the quality of meat. Currently, spray chilling is considered as an effective method to reduce the weight loss of pig carcass during the cooling process. Nevertheless, manual operation is generally used for implementing a way of spray chilling in productive process, as a result of lacking the research on the equipment for spray chilling. To solve the problem that manual operation of spray chilling inevitably results in onerous l |
ISSN: | 1002-6819 |
DOI: | 10.11975/j.issn.1002-6819.2018.03.036 |