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Food Processing Commons™

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2016

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Articles 361 - 390 of 659

Full-Text Articles in Food Processing

Research Progress Of Open Food Refrigerated Display Cabinets, Wu Xuehong, Wang Chunxu, Li Weiping, Zhang Jun Jun 2016

Research Progress Of Open Food Refrigerated Display Cabinets, Wu Xuehong, Wang Chunxu, Li Weiping, Zhang Jun

Food and Machinery

Refrigerated display cabinets as the terminal device of the food cold chain logistics play an important role in ensuring the food quality and safety. In this paper a brief overview of recent progress is presented in the open food refrigerated display cabinets from the aspect of air curtain performance, the environment temperature and humidity, the structure optimization of the cabinet body, the problems of evaporator frosting and defrosting, the system energy saving and the application of phase change materials for cool storage, et al. Analyzes the related factors on velocity field and temperature field distribution of food refrigerated display cabinets, …

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Progress On Cleaning And Packaging Of Postharvest Fresh Vegetables, Lei Hao, Xie Jing Jun 2016

Progress On Cleaning And Packaging Of Postharvest Fresh Vegetables, Lei Hao, Xie Jing

Food and Machinery

For its rich nutrients vitamins and minerals, fresh vegetables have become one of the most important indispensable ingredients of daily life. Based on different cleaning and packaging methods, physical cleaning, chemical cleaning, film packaging, coating packaging, modified atmosphere packaging and vacuum packaging of fresh vegetables were introduced. The research direction of vegetables processing after harvest was forecasted, and mixing cleaning and comprehensive atmosphere package were proposed as the future research focuses.

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Present Situation And Future Prospect Of Aerobic Solid-State Fermentation, Liu Jingran, Li Guanhua Jun 2016

Present Situation And Future Prospect Of Aerobic Solid-State Fermentation, Liu Jingran, Li Guanhua

Food and Machinery

Aerobic solid-state fermentation, with a long history, has played a pivotal role in human society. In this paper the development history, the advantages and the application fields of aerobic solid-state fermentation were introduced. Moreover, the recent research achievements of solid state fermentation bio-reactor and other auxiliary technologies were summarized. In end of the paper, the future development of of aerobic solid-state was also prospected.

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Establishment Of Real-Time Quantitative Pcr Assay For The Detection Of Enterobacter Sakazakii Based On Internal Amplification Control, Wang Jinfeng, Wang Jianchang, Hu Lianxia, Sun Xiaoxia, Chen Zhimin, Jiang Yanfen Jun 2016

Establishment Of Real-Time Quantitative Pcr Assay For The Detection Of Enterobacter Sakazakii Based On Internal Amplification Control, Wang Jinfeng, Wang Jianchang, Hu Lianxia, Sun Xiaoxia, Chen Zhimin, Jiang Yanfen

Food and Machinery

Based on ompA gene sequence of Enterobacter sakazakii, the specific primer and probe were designed. An internal amplification control (IAC) was added and used to monitor the performance of reaction system. The assay could be used reliably to detect E. sakazakii genome DNA with the sensitivity of 1 pg. The detection limit for E. sakazakii was 1×104 CFU when used the DNA extracted by water boiling as the template. With the use of ompA, the detection limit can reach 103 copies. Through the standard curves of ompA, the quantification was linear between Ct and template copy number (R …

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Analysis Bacterial Diversity In Drinking Water Of O3-Bac Water Treatment Technology By Illumina Miseq Sequencing, Ge Yingliang, Yu Shuili, Shi Wenxin, Yin Qi, Weng Weipeng Jun 2016

Analysis Bacterial Diversity In Drinking Water Of O3-Bac Water Treatment Technology By Illumina Miseq Sequencing, Ge Yingliang, Yu Shuili, Shi Wenxin, Yin Qi, Weng Weipeng

Food and Machinery

Enriched the drinking water by using tangential flow ultrafiltration (TFF), extracted the genomic DNA, amplified 16S rDNA V4+V5 region, a total of 45 093 sequences and the average length of the 395.65 bp sequence were got. After high throughput sequencing bioinformatics analysis including annotation, evaluation, species composition analysis, β- diversity analysis, species difference analysis, RDA analysis etc., the bacterial diversity and the abundance in drinking water was got. In the result, the bacterial diversity is uncertainty and randomness in drinking water, the water quality parameters of turbidity and residual chlorine are biggest influence on the bacterial diversity in drinking water, …

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Discussion On Detection Method Of Potassium Permanganate Consumption In Hygienic Standard Of Epoxy Phenolic Coatings For Inner Wall Of Food Cans, Zuo Aidong, Gao Yuli, Zhao Shunge, Du Jiangmei Jun 2016

Discussion On Detection Method Of Potassium Permanganate Consumption In Hygienic Standard Of Epoxy Phenolic Coatings For Inner Wall Of Food Cans, Zuo Aidong, Gao Yuli, Zhao Shunge, Du Jiangmei

Food and Machinery

The potassium permanganate consumption of the tin cans coated with epoxy phenolic coatings as the protective layer was detected according to the national standard of GB/T 5009.60-2003 method for analysis of hygienic standard of products of polyethylene, polystyrene and polypropyrene for food packaging. The method required accurate titer of potassium permanganate standard solution, and was not suitable for daily rapid detection. The test method adjusted the concentration of potassium permanganate solution and determined the value of f instead of the titration process of the standard solution. By the data analysis of two kinds of test conditions, the creditability and feasibility …

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Analysis On Drying Box Exergy And Variable Air Velocity Drying Of Autumn Rice, Zhao Xihe, Long Chengshu, Zhang Jinjiang, Liu Qinghua, Gong Li Jun 2016

Analysis On Drying Box Exergy And Variable Air Velocity Drying Of Autumn Rice, Zhao Xihe, Long Chengshu, Zhang Jinjiang, Liu Qinghua, Gong Li

Food and Machinery

In order to solve the problem of temperature rise in heat pump drying rice in autumn. Two drying test scheme were been set, for the low temperature constant rate drying and variable wind speed drying. Both the total energy consumption and exergy analysis were been taken comparison of the drying process of rice. Experimental results show that the drying rate increases with wind speed and temperature go up in constant speed drying process. However, both the exergy efficiency and total energy consumption decrease with the increase of the wind speed. The total energy consumption of the variable wind speed drying …

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Design And Performance Tests Of A New Portable Roaster, Lv Zhongming, Rouzi Amuti, Shi Yong, Ma Bin Jun 2016

Design And Performance Tests Of A New Portable Roaster, Lv Zhongming, Rouzi Amuti, Shi Yong, Ma Bin

Food and Machinery

Aiming at problems such as heavy environmental pollution, great losses in heart as well as inconvenient cleaning and carrying during the roasting process of current roasters, this thesis designs a kind of new portable roaster taking outdoor flat gas tank as heat source and combining with infrared flame burner and rotary roasting roaster. In the meanwhile, by using ANSYS software, the thesis builds a model to analyze the temperature distribution of the roaster and the meat. The simulated analysis shows that the overall temperature distribution of the roaster is reasonable and the heat preservation effect is good. At last, through …

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Optimization Of Extraction Conditions Of Freshwater Snail Salt Soluble Protein And Its Processing Properties, Wang Bohua, Zhu Baohong, Yang Pinhong, Cao Zhen, Wang Tingyun, Chen Huimin Jun 2016

Optimization Of Extraction Conditions Of Freshwater Snail Salt Soluble Protein And Its Processing Properties, Wang Bohua, Zhu Baohong, Yang Pinhong, Cao Zhen, Wang Tingyun, Chen Huimin

Food and Machinery

The resource of freshwater snail is very rich in China, but its processed products are not very much. Using salt soluble protein as a natural food additive in meat products can improve its quality. Extraction conditions were optimized using salt soluble protein yield, and determined the main processing properties such as emulsification capability, foaming capability and water-holding capability. The Results showed that freshwater snail salt soluble protein yield can reach 13.6％ when NaCl concentration was 0.7 mol/L, pH 8.0, extraction time and solid-liquid ratio of 1∶6 for 24 hours. The best emulsification ability and emulsification stability index were 27.67 m …

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Fabrication And Characterization Of Polyglycerol Fatty Acid Ester/Biaxially Oriented Polypropylene Antifogging Film, Wei Lijuan, Yang Fuxin, Wu Jun, Xu Guangqian, Chen Jiyu, Wang Haili, Du Yunpeng Jun 2016

Fabrication And Characterization Of Polyglycerol Fatty Acid Ester/Biaxially Oriented Polypropylene Antifogging Film, Wei Lijuan, Yang Fuxin, Wu Jun, Xu Guangqian, Chen Jiyu, Wang Haili, Du Yunpeng

Food and Machinery

Objective The surfactant polyglycerol fatty acid ester (PGFE) was used for surface modification of biaxially oriented polypropylene film (BOPP) to perfect antifogging performance. Methods Used PGFE as an antifogging agent to prepared PGFE/BOPP antifogging film using a coating method. The present study was conducted to investigate the influence of different levels of PGFE on the antifogging performance, mechanical, optical, air and moisture permeability of BOPP film. Results Different levels of PGFE were coated on the film increased its tensile strength and haze, but reduced its light transmittance, oxygen permeability and water vapor permeability. The results showed that the PGFE/BOPP film …

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Optimization Of Microwave Assisted Extraction Process Of Lignans In Cinnamomum Camphora Leaf, Zhou Haixu, Li Zhonghai, Zhan Ghui, Lai Yongjiao Jun 2016

Optimization Of Microwave Assisted Extraction Process Of Lignans In Cinnamomum Camphora Leaf, Zhou Haixu, Li Zhonghai, Zhan Ghui, Lai Yongjiao

Food and Machinery

An efficient microwave assisted extraction procedure for the lignans from the leaves of Cinnamomum camphora was investigated and optimized. Response surface methodology (RSM) based on a three-level four-factor Box Behnken Design (BBD) was employed to optimize the extraction conditions. The best extraction conditions were as follows: microwave time 5 min, ratio of material to ethanol 1∶26 (g/mL), ethanol concentration 80%, microwave temperature 60 ℃. Under the optimization conditions, the experimental yield of lignans was 42.69%, which was well matched with the predictive yield of 42.95%.

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On Establishment Of The“Co-Governance”Mechanism For Food Safety With Chinese Characteristics——“The Fifth National Science And Technology And Public Policy Forum·2016” Verview, Cao Yu, Dai Xin, Jiang Meishi, Zhu Wenpei, Zhu Xiangdong, Liu Xiaoqiong Jun 2016

On Establishment Of The“Co-Governance”Mechanism For Food Safety With Chinese Characteristics——“The Fifth National Science And Technology And Public Policy Forum·2016” Verview, Cao Yu, Dai Xin, Jiang Meishi, Zhu Wenpei, Zhu Xiangdong, Liu Xiaoqiong

Food and Machinery

At the Fifth National S&T and Public Policy Forum-Food Safety Risk Management and Public Policy, particlpating experts based on their professional background, reference the methods and tools of philosophy, law, management, sociology and so on, food safety and science and technology, food safety and philosophical reflection, food safety and policy response, food safety and social participation and other issues were discussed in depth. The conference reflects the latest thinking and research on the subject of domestic food safety strategy and scientific and technological innovation mechanism with Chinese characteristics, criticized “the only government theory”, “the only technical theory”, “the only industry …

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Physicochemical Properties And Molecular Structure Characterization Of Digestion-Resistant Components In Enzymatic Branch-Chain Elongated Waxy Corn Starch, He Jian, Wang Ren, Zhang Hao, Zhou Xing, Chen Zhengxing May 2016

Physicochemical Properties And Molecular Structure Characterization Of Digestion-Resistant Components In Enzymatic Branch-Chain Elongated Waxy Corn Starch, He Jian, Wang Ren, Zhang Hao, Zhou Xing, Chen Zhengxing

Food and Machinery

The resistant starch (RS) in enzymatic branch-chain elongated waxy corn starch (WCS) was separated by using in vitro digestion method. Then, the physicochemical properties and molecular structure of RS were characterized. The results showed that the morphology of starch was significantly changed after digestion, and irregular cracks appeared on the surface of RS. Moreover, the improvement of thermal stabilities of RS wasalso observed. These results revealed that the amorphous regions of modified starches were preferably to be hydrolyzed during digestion. Compared to modified WCS, the molecular weight of RS was profoundly decreased (6.03×106～1.13×108 g/mol). In addition, the …

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Study On Oxidation Degradation Products Of Linoleic Acid, Wang Jianhui, Wang Xiu, Chen Qi, Wang Faxiang, Li Xianghong, Yu Jian, Liu Yongle May 2016

Study On Oxidation Degradation Products Of Linoleic Acid, Wang Jianhui, Wang Xiu, Chen Qi, Wang Faxiang, Li Xianghong, Yu Jian, Liu Yongle

Food and Machinery

GC—MS was applied to identify the acceleration of oxidative products formed from linoleic acid stored at 60 ℃. Both volatile and non-volatile oxidates were focus on in the present study. The results showed that the oxidative products formed in the primary oxidation stage were continuously oxidized into volatiles (such as aldehydes, ketones, alcohols, furan, etc.) during the course of accelerated oxidation. The relative contents of Hexanal, (E)-2-Heptena, (E)-2-Nonena, (E)-3-Nonene-2-one, 2-pentyl Furan changed obviously before 12 h and they could be used as evaluation indices of the primary autoxidation of linoleic acid. However, the relative contents of (E, E)-2, 4-Nonadienal, (E, …

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Study On Antioxidant And Anti-Aging Analysis Of Blueberry Wine In C.Elegans, Wei Tao, Zeng Min, Li Ke, Wang Yuanliang May 2016

Study On Antioxidant And Anti-Aging Analysis Of Blueberry Wine In C.Elegans, Wei Tao, Zeng Min, Li Ke, Wang Yuanliang

Food and Machinery

In order to determine the concentration of essential substances and functional properties of blueberry wine, antioxidant activity and anti-apoptosis of blueberry wine were analyzed with Caenorhabditis elegans (C. elegans) by feeding different kinds of blueberry wines. Based on blueberry wine, six feeding groups with different proanthocyanidin (PC) concentration and 14% alcohol were set. In same way, another seven feeding groups with different alcohol concentration and 3 mg/mL PC were also set. And the control group C. elegans only fed with E. coli OP50. All results were defined by testing the activity of antioxidant enzyme and apoptosis in C. elegans. It …

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Nutrition Evaluation And Solubility Analysis Of Hydrolysate From Urechis Unicinctus Body Wall Muscle, Liu Haimei, Wang Miaomiao, Zhao Qin May 2016

Nutrition Evaluation And Solubility Analysis Of Hydrolysate From Urechis Unicinctus Body Wall Muscle, Liu Haimei, Wang Miaomiao, Zhao Qin

Food and Machinery

Nutrition and solubility were evaluated by assaying amino acids composition, AAS, EAAI, NSI and TCA-NSI of hydrolysate from Urechis unicinctus body wall muscle. The results showed that there were all of 18 types of amino acids, and umami amino acids were rich. In umami amino acids, the highest was Glu, 218.263 mg/100 mL, followed by Gly and Ala, third for Asp. Hydrolysate had strong delicious taste and it was a good seafood seasoning base. AAS of EAA was at range of 96～141, and EAAI was 86.50. They showed that EAA was rich and hydrolysate had a high nutritional value. When …

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Hybrid Neural Network Based On Software Measurement For Dm423 Biomass During Batch Cultivation, Zeng Xiangyan, Zhao Liangzhong, Li Bing, Li Lin May 2016

Hybrid Neural Network Based On Software Measurement For Dm423 Biomass During Batch Cultivation, Zeng Xiangyan, Zhao Liangzhong, Li Bing, Li Lin

Food and Machinery

The biomass concentration estimated by the static feedforward multiplayer neural network of 5-5-1 topology and hybrid neural network - microbe growth model with five inputs of culture time, temperature, pH and dissolved oxygen and glucose concentration. The result showed that the static feedforward multiplayer neural network mean squared error (MSE) of testing samples 1.73×10-3. And hybrid neural network - microbe growth model offered a much better generalization accuracy than that of single neural network model, with MSE of testing samples of 0.25×10-3, it was found that there was some deviation between estimated biomass and actual values …

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Study On Functional Properties Of Camelina Sativa Gum, Li Zezhen, Chen Min May 2016

Study On Functional Properties Of Camelina Sativa Gum, Li Zezhen, Chen Min

Food and Machinery

The viscosity, foaming properties, emulsifying capabilitiy and synergetic action of Camelina sativa gum were studied by comparison to other gums. The results showed Camelina sativa gum solution in low concentration exhibited high apparent viscosity and good emulsifying and foaming properties. The viscosity of the compound gum increased sharply and the optimum ratio was 5∶5 of Camelina sativa gum to xanthan gum, and 9∶1 of Camelina sativa gum to guar gum. Camelina sativa gum improved the shear resistance and it could be well co-opperated with other gums. Meanwhile, the additive Camelina sativa gum had good properties.

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Apreliminary Inquiry Into Causes Of Dark Spots In Egg Shell, Zhang Mingrong, Ye Jinsong, Li Xinyang, Zhang Zili, Han Jingjing, Wang Yuhan May 2016

Apreliminary Inquiry Into Causes Of Dark Spots In Egg Shell, Zhang Mingrong, Ye Jinsong, Li Xinyang, Zhang Zili, Han Jingjing, Wang Yuhan

Food and Machinery

In order to preliminarily explore the causes of eggshell dark spots, the thickness, hardness, moisture and protein content of calcareous hard eggshell, and the thickness and protein content of shell membrane were measured in the normal eggshell and dark spots portion as well as no spots portion of dark spots eggshell, and the ultra structure was also studied results: The hardness of calcareous hard eggshell of dark spots eggshell was minimum, and its water content was maximum, which were highly significant (P<0.01) compared with other groups; However, there with no difference between spots group and the normal group. The thickness of calcareous hard shell was similar among the three groups, while that of shell membrane was highly significant (P < 0.05). In addition, protein content of calcareous hard shell of three groups had no significant difference (P > 0.05), while that of shell membrane of dark spots egg was much lower than the normal egg (P < 0.01). The result of scanning electron microscope showed that both the calcareous hard shell and shell membrane of dark spots group had more significant loose texture and porosity features than other groups. In conclusion, the formation of dark spots was mainly due to that the shell membrane under eggshell dark spots was thin with large mesh, resulting in moisture of the egg permeated through the shell membrane into the calcareous hard shell easily, and then the moisture was absorbed by calcareous hard shell, resulting in the formation of dark spots gradually.

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Optimization Of Heat Process Parameters And Mass Transfer Characteristic Of Alkaloids From Areca, Gong Yinyin, Yang Dawei, Gao Xiaoting May 2016

Optimization Of Heat Process Parameters And Mass Transfer Characteristic Of Alkaloids From Areca, Gong Yinyin, Yang Dawei, Gao Xiaoting

Food and Machinery

In order to reduce loss of alkaloids to improve chewing quality during the heat treatment process of areca, the dried areca were used as test materials to investigate the effect of factors about boiling wash and drying after wash as well as drying after flavoring on mass transfer of alkaloids in the shell of betel nut. Based on the mass transfer characteristics of alkaloids, the optimum parameters of heat treatment process were designed. The results showed that alkaloids from nuclear of areca will be dissolved out and transfer in the shell, then diffusing from the shell to the surface, the …

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Optimization On Hplc Detection And Pre-Treatment Conditions Of Patulin In Fresh Apple, Sun Lihua, Qian Huiping, Li Zhiwen, Chen Jiluan, Pang Xuequn, Yan Shijie May 2016

Optimization On Hplc Detection And Pre-Treatment Conditions Of Patulin In Fresh Apple, Sun Lihua, Qian Huiping, Li Zhiwen, Chen Jiluan, Pang Xuequn, Yan Shijie

Food and Machinery

A rapid and sensitive method was established for the accurate determination of patulin in fresh apples. Experimental parameters including extraction methods, mobile phase composition and flow rate for HPLC which always affect the sensitivity and analysis efficiency of the method were optimized systemically. The results indicated that solid phase extraction (SPE) techniques using functionalized polystyrene-divinylbenzene column (PEP) exhibited satisfactory recoveries comparing with other extraction methods. Under the optimized chromatographic conditions, patulin could be well separated from other impurities within 4 min, and detected with a wide linear range between 10-25 000 μg/L and a detection limit of 10 μg/L (S/N=3) …

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Study On Enhancing Antibacteial Activity Of Lactobacillus Plantarum Fmb10 Through Composite Mutagenesis, Chen Yunyun, Lu Zhaoxin, Dang Lijuan, Gao Yuqi May 2016

Study On Enhancing Antibacteial Activity Of Lactobacillus Plantarum Fmb10 Through Composite Mutagenesis, Chen Yunyun, Lu Zhaoxin, Dang Lijuan, Gao Yuqi

Food and Machinery

Induced mutation of Lactobacillus plantarum fmb10 divided from pineapple was performed by Co60γ, low-energy N+ beam irradiation, DES, EMS and composite mutagenesis, respectively, to enhance the antibacterial activity. The results showed that Lactobacillus plantarum fmb10 was sensitive to low-energy N+ beam and EMS irradiation, and a high-activity strain fmb10-Z with stable inheritance and forward mutation was obtained after the treatment of EMS-low-energy N+ beam composite mutagenesis. The bacteriostatic diameter against E.coli was increased by 23%, and the antibacterial activity of the mutant fmb10-Z was increased 1.5 times compared with original strain.

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Determination Of Cd In Shrimps By Microwave Digestion And Inductively Coupled Plasma Mass Spectrometry, Li Qianyun, Zhou Guoyan, Cao Lei May 2016

Determination Of Cd In Shrimps By Microwave Digestion And Inductively Coupled Plasma Mass Spectrometry, Li Qianyun, Zhou Guoyan, Cao Lei

Food and Machinery

The orthogonal array design methods were applied to analyze the influence of H2O2 volume/HNO3 volume/microwave digestion time three factors and their interaction on the extraction of Cd，select an optimized progress to extract Cd from shrimps. The experimental results showed that when H2O2 volume was 1.0 mL, HNO3 volume is 5.0 mL, microwave digestion time was 13 minutes and 46 seconds, under these conditions，the contents of Cd reached 0.497 mg/kg. Determination of GBW10050 (big shrimps) showed that contents of Cd have the same results with standards values. Method limits of detection were obtained …

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Nondestructive Detection Of Internal Quality Of Loquat By Near Infrared Spectroscopy, Wang Xi, Wu Xiyu, Pang Lan, Xu Dan May 2016

Nondestructive Detection Of Internal Quality Of Loquat By Near Infrared Spectroscopy, Wang Xi, Wu Xiyu, Pang Lan, Xu Dan

Food and Machinery

Spectra data of the 101 loquat samples were obtained by using NIRS and the TSS, titratable acid, Vc of the samples were determined by conventional chemical methods. The mathematical pretreatment methods were used as spectral preprocessing options, and then the calibration models of TSS, titratable acid and Vc were established respectively by PLS. By using these models, the TSS, titratable acid and Vc in the validation sets can be predicted. The Rp2 are 0.906, 0.745, 0.554, RMSEP are 0.628, 0.048, 2.23 respectively, and the RPD of TSS is 3.31. Thus, the calibration model of TSS can be used for the …

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Effect And Application Of On-Line Payment Consumption Way On Food Safety Traceability At Tourist Area, Liu Wenbin May 2016

Effect And Application Of On-Line Payment Consumption Way On Food Safety Traceability At Tourist Area, Liu Wenbin

Food and Machinery

The mode of on-line payment consumption has already entered the public life, bringing a lot of convenience for us. The process of payment usually carries vital deal information, and online payment is easily to get and convert this information. Food safety traceability of tourist areas can make full use of the characteristics of online consumer payment, from which we can overcome the problems of safety information flow is easily broken and difficult to carry caused by cash transactions. Based on the convergence of online payment, tourism food safety and feedback information, we should complete food supervisory platform, use big data …

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Functions And Route Of Food Safety In The Financial Performance Of Enterprises, Wang Laigen May 2016

Functions And Route Of Food Safety In The Financial Performance Of Enterprises, Wang Laigen

Food and Machinery

Food enterprises have the ability to guarantee food safety, will inevitably lead to the interests of the stakeholders to make a choice of behavior, which can affect the interests of enterprises, and ultimately reflect the financial performance of enterprises. By examining the function of food safety in the financial performance of enterprises, it can be found that the food safety affects the attitude of the consumers, the government and the public opinion, so that food companies can improve the financial performance. Therefore, financial performance has the function of promoting food enterprises to fulfill their food safety guarantee responsibilities. However, due …

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Design Of A New-Type Continuous Stack-Up Juice Press And Proof On Experimental Machine, Ma Songbai, Zhang Shaoying, Wang Jing May 2016

Design Of A New-Type Continuous Stack-Up Juice Press And Proof On Experimental Machine, Ma Songbai, Zhang Shaoying, Wang Jing

Food and Machinery

Based on the analysis on demands of fruit-vegetable juice processing, and advantages and disadvantages of some typical industrial press machines, the technical solution of a new-type continuous stack-up juice press was presented. The mechanical structure and working principle of the juice press were illustrated in details. Besides that, based on the basic filter-press unit, an experimental machine was created to proof this technological solution. And then experiments with pressing Ralls apples juice were done in the experimental machine. The experimental results show that when the driving motor rotates around 600 r/min, the juice yield rate is 81.16%, and the average …

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Research On Self-Navigation System Of Material Grabbing Robot Based On The Inverse Kinematics Analysis, Li Feng, Zhang Xuesong, Yue Yun, Zhang Zhongmei May 2016

Research On Self-Navigation System Of Material Grabbing Robot Based On The Inverse Kinematics Analysis, Li Feng, Zhang Xuesong, Yue Yun, Zhang Zhongmei

Food and Machinery

In order to achieve robot self-navigation, based on the inverse kinematics solution of D-H method, the navigation analysis of food material grabbing robot is carried out and the robot navigation positioning solutions were obtained. Through the combination of hardware and software of the robot, the automatic navigation control principle of the robot is described in the form of STL statement, realizing the robot positioning calculation. The efficiency and stability of robot navigation system are verified by practical production, which proves that it was well suited to food material grabbing production line.

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Study On Elastic And Plastic Strain Strength For Housing Of Flour Pressure Spray Dryer, Wang Zhencheng, Liu Airong, Wei Jinying, Zhao Yongjie May 2016

Study On Elastic And Plastic Strain Strength For Housing Of Flour Pressure Spray Dryer, Wang Zhencheng, Liu Airong, Wei Jinying, Zhao Yongjie

Food and Machinery

The axisymmetric thin walled housing model for the thin-walled housing of YPG-22500 flour pressure spray dryer was established, and the typical equation of energy method based on the thin-walled housing theory under the elastic-plastic deformation was listed, and the calculation method and condition on strain strength and deformation stiffness were also given. According to the assuming boundary condition on both ends of the housing and to the working environment of cycle fatigue and to the actual situation of materials line hardening, integrated the typical equation successively by the computer to obtain the numerical approximate solution matched the requirement and the …

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Discrete Element Simulation And Experiment Research Of Material Flow In Rubber Roller Husker Vibrating Feeder, Jia Lele, Ruan Jinglan May 2016

Discrete Element Simulation And Experiment Research Of Material Flow In Rubber Roller Husker Vibrating Feeder, Jia Lele, Ruan Jinglan

Food and Machinery

The models of Rubber Roller Husker Vibrating Feeder and rice particle are obtained through the discrete element analysis software EDEM. Simulate the movement of material flow in the vibrating feeder by setting up the corresponding parameters. The average speed of single particle is 0.22 m/s roughly under the theoretical parameters, and the average velocity of material flow is around 0.24 m/s. The trajectory is achieved and the feeding uniformity is discussed. In order to verify the feasibility of the simulation results, adopt vibration meter GM63B to measure the actual velocity of material flow under the different amplitude in the experimental …

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