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自动化集中供粉系统


自动化集中供粉系统在节约人员成本、材料成本、保证食品安全食品质量等方面具有优良的优势,下面就某食品企业供粉系统为例具体说明自动化供粉系统工艺
面粉主要通过散装自卸车运输,并用其自带的压运系统将面粉压送至面粉仓。面粉通过振动仓底卸料器和变频喂料绞龙根据生产需要将一定量的面粉运送至单仓筛,
经过单仓筛的筛理以保证原料的质量,如有外来袋装面粉,也可通过人工投料斗将面粉输送至单仓筛。面粉在经过单仓筛筛理和磁选器磁选后,经过一套简单的压运系统将面粉输送至循环分离仓暂存,以备后续工段的使用。当用粉点需要面粉时,面粉通过振动仓底卸料器和变频喂料绞龙输送至配料秤,根据生产需要,准确称量,并将面粉通过喂料绞龙输送至各个用粉点。整个系统中,在易产生粉尘的工作点均已设置除尘系统,以保证人员安全。
2.2自动化集中供粉系统 各个系统的优势说明2.2.1 面粉接收系统
散装自卸车采用简单的机械和气力输送,具有结构简单、配置灵活、设备数量少,占地空间小、投资省、维护方便、去向灵活等优点,适用于周边大、中型
食品厂的供粉自动化集中供粉系统食品加工业已经开始淘汰传统的手工模式,正朝着健康、 营养、专业、方便快捷的自动化方向发展,自动化供粉系统的应用可以将人们从繁重的工作中解脱出来。自动化供粉系统就是通过先进的PLC系统控制机械设备运行,以实现用*少的人员成本将面粉安全、准确、稳定、高效的运送至各个工作点。随着社会的进步,人民的生活逐渐朝方便快捷的方向发展,越来越多的人不愿意花费大量的时间在厨房,新一代的消费群体不断增加,人们对方便食品的需求会越来越大, 方便食品类的加工厂应运而生,如挂面、方便面、馒头、包子、面条、水饺、锅贴、馅饼、披萨、春卷、油条、麻花、烧饼、烙饼、面包、饼干、炒面、油茶等等,这些现代化的食品加工企业均以面粉为加工原料,足以说明供粉系统在食品行业的重要性传统供粉系统现状传统的供粉系统采用的人工供粉,而且原料均为袋装面粉,供粉量都是根据一定单位时间内投入面粉的袋数计量。

此自动化集中供粉系统在食品加工行业持续相当长的一段时间,但是随着商品经济的发展,人们工作效率、生活水平的提高,健康生活的饮食的概念已经的深入人心,此供粉方式终将被行业所淘汰。传统的供粉方式存在以下弊端。1.1 人工成本太高随着社会的发展,中国传统的低劳动力成本优势已经慢慢减弱,在传统的生产过程中面粉原料的反复装卸、搬运及投放都增加了劳动强度,必然会导致人工成本的不断增长,而且人们对工作环境的要求越来越高。传统的投料方式必然会产生大量的粉尘既危害劳动者的身体健康,又存在很大的安全生产隐患。人工成本的增加必然提高食品加工的成本,降低市场竞争力,直接影响企业的效益

材料成本太高传统的加工企业采用的原料均为25 kg的面粉小包装,假如加工厂1 d使用面粉量为30 t,则每天需要1 200个面粉包装袋,每个包装袋的成本按照平均1元/个计算,则每天包材的支出成本为1 200元。对于部分自有面粉加工厂的食品企业来说,短距离的包装运输无疑是一种浪费和损耗。1.3 食品安全难以控制随着《食品安全法》的推出,人们对食品安全越来越重视,在传统的供粉工艺中,人工投料过程中工作环境是开放式的,面粉直接与外界接触,难免在搬运及拆袋过程中造成二次污染,面粉质量难以控制。1.4 食品质量难以控制传统的人工供粉以面粉袋数作为依据,与实际重量存在一定的误差,很难保证食品的质量的可靠与稳定。2 自动化集中供粉系统的应用与传统供粉系统相比,


1]
。散装运输可节约材料及包装成本,并且运输方便灵活,在整个接收系统中面粉没有与外界接触,避免二次污染,具有良好的经济效益。2.2.2 面粉出仓系统
两个面粉仓可存放不同的品种,根据生产需要,通过调节变频喂料绞龙的频率,已达到面粉粗配的目的,可保证面粉质量的稳定,使生产更加灵活、方便、可操作性强。2.2.3
 面粉筛理系统
面粉在进入生产车间之前必须经过筛理,以防止面粉结块、生虫污染食品原料,也可防止在人工拆袋过程中绳头等异物掉入。磁选系统可以筛选出面粉中的磁性物质,保证面粉品质和食品安全。2.2.4 面粉输送系统
物料输送的管道化、密闭化和自动化,是现在散状物料输送技术的发展方向,而气力输送无疑是实
现这种物流技术的*佳方式之一[
2]
。自动化集中供粉系统面粉输送采用气力正压输送,与其他输送装置相比更安全,有利于环境和卫生,可避免物料受潮、混入异物,也可降低劳动强度,大大提高生产效率。2.2.5 卸料系统

由于暂存仓体积较小,压运入仓后,直接吸风除尘,会产生大量的吸风粉,对生产造成不便,本系统采用专业的循环分离仓,可有效的减少吸风粉的产生,
减少人工成本及原料的浪费,提高经济效益。2.2.6 称量系统
本系统采用高精度型称重模块,结合称重控制仪表对物料进行**称量,在整个PLC系统的控制下,准确、稳定的为用粉点提供原料,大大提高了工作效率。配料秤量计算准确,全无人自动化操作同时使生产率提高,为企业带来了可观的经济效益和良好的社会效益,同时该系统中PLC控制充分发挥了其抗干扰能力强、配置灵活、控制可靠、编程方便、易于维护和可现场调试的优点,给整个系统的稳定
性带来较大的益处[
3]
。2.2.7 除尘系统
在人工投料斗、压运关风器、配料秤等易产生粉尘的作业点均设置了吸风点,并经过布袋除尘器后排出室外,大大改善了工作环境,防止粉尘爆炸,保证生产安全。
2.2.8 控制系统
本系统是通过PLC控制各个设备按照设计的流程稳定运行,
并且在相应位置设置料位器等报警装置,以达到在无人监控的情况下,可保证设备的正常运行。配料秤的加料与放料也是通过PLC控制来完成,整个系统大大减少了人工成本的投入,并且大大提高了生产效率和经济效益。在整个系统中,所有设备均设置现场检修及急停开关,可以有效保证工作人员的人身安全。

3 结语自动化集中供粉系统是每个食品可供人类食用或饮用的物质,包括加工食品,半成品和未加工食品。   企业的重中之重,供粉环节的生产安全是保证后续产品质量的关键。人工供粉系统主要靠人工作业方式投料,
人为因素大大降低了投料的精度及物料的安全性,已远远不能满足现代化食品企业的生产需要,
而自动化集中供粉系统在面粉接受、面粉出仓、面粉输送、面粉称量等环节均有很大优势,可以给企业带来良好的经济效益,现已在多个大型食品企业得到应用。系统自动化供粉系统与人工供粉系统相比,具有运行稳定、操作简单、性价比高等特点,故是食品行业发展的必然趋势采用的膜过滤器具有孔径小(0.2μm)
、膜表面光滑、滤液通透阻力小、易于反冲和清洗、膜孔不宜
堵塞、过滤能力大(1.5~2.0m3/m

·h)、过滤效率高;采用该膜制造的装置可以对钙盐法工艺废水进行强制分离,既能净化废水(0~20 

NTU)又能及时充分回收钙盐法工艺废水中柠檬酸盐类物质;另外,利用压缩空气对滤膜进行清洗,使滤膜孔径始终保持*大。此装置完全自动控制,无人操作,生产单元时间可以按来料情况设定,该设备中所使用的零部件均可以从市场       市场 交易市场  市场源于古时人类对固定时段或地点进行交易的场所,指买卖双方进行交易的场所.

Automated centralized supply of powder system in the cost savings, material costs, to ensure food safety food quality and so has the absolute advantage, the following a food business for the powder system as an example to specify the automated supply system

The flour is transported mainly through bulk dump trucks and is fed to the flour silts with its own pressure system. Flour through the vibration of the bottom of the unloader and variable frequency feed the dragon according to the production needs of a certain amount of flour transported to the single screen sieve,
After screening through a single sieve to ensure the quality of raw materials, such as foreign bags of flour, but also through the artificial hopper to the flour transported to the single sieve. Flour after a single sieve screening and magnetic separation after magnetic separation, through a simple pressure system will be transported to the circulation of temporary storage tank temporary storage, to prepare for the use of subsequent sections. When flour needs flour, flour through the vibration of the bottom of the unloader and variable frequency feed conveyor belt to the batching scales, according to production needs, accurate weighing, and the flour through the feed dragon to the various powder points. The entire system, easy to produce dust at the operating point have been set up dust removal system to ensure the safety of personnel.
2.2 Advantages of each system of centralized centralized supply system 2.2.1 Flour receiving system
Bulk dump truck with simple mechanical and pneumatic transmission, with a simple structure, flexible configuration, the number of equipment, small footprint, investment, easy maintenance, flexible to the advantages of the surrounding large and medium
The food processing industry has begun to eliminate the traditional manual mode, is moving in the health, nutrition, professional, convenient and automated direction of automation, automated supply of powder system can be people from the heavy work In the freed. Automated supply system is through the advanced PLC system to control the operation of machinery and equipment to achieve the minimum cost of personnel to flour safe, accurate, stable and efficient delivery to the various operating points. With the progress of society, the people's life gradually toward the direction of rapid development, more and more people do not want to spend a lot of time in the kitchen, a new generation of consumer groups continue to increase, people demand for convenience food will be more and more Large and convenient food processing plants such as noodles, instant noodles, steamed buns, buns, noodles, dumplings, fried dumplings, pies, pizza, spring rolls, fried dough sticks, twist, biscuits, pancakes, bread, biscuits, fried noodles And so on, these modern food processing enterprises are flour for the processing of raw materials, enough to explain the importance of the supply system in the food industry The traditional system of powder supply system The traditional supply of powder system for the use of artificial powder, and raw materials are bagged flour, The amount of powder is based on a certain amount of time into the flour of the number of bags.

This process of automatic centralized supply of powder in the food processing industry for a long period of time, but with the development of commodity economy, people work efficiency, improve the standard of living, the concept of healthy living diet has been deeply rooted in the people, Will be eliminated by the industry. The traditional way of supplying powder is the following malpractice. 1.1 Labor costs are too high With the development of society, China's traditional low labor cost advantage has been gradually weakened in the traditional production process of repeated processing of flour raw materials, handling and delivery have increased labor intensity, will inevitably lead to artificial The cost of the growing, and people on the working environment requirements are getting higher and higher. The traditional way of feeding is bound to produce a lot of dust not only endanger the health of workers, but also a lot of safety production hidden dangers. The increase in labor costs will inevitably increase the cost of food processing, reduce market competitiveness, a direct impact on business efficiency
Material costs are too high The traditional processing enterprises are using 25 kg of flour raw materials, if the processing plant 1 d use of flour for 30 t, then need 1 200 per day flour bags, the cost of each bag in accordance with the average 1 yuan / month calculation, the daily cost of packaging materials for the package of 1,200 yuan. For some of its own flour processing plant food companies, short-distance packaging and transportation is undoubtedly a waste and loss. 1.3 Food safety is difficult to control With the introduction of "Food Safety Law", people pay more and more attention to food safety, in the traditional powder supply process, the artificial feeding process of working environment is open, flour direct contact with the outside world , Inevitably in the handling and unpacking process caused by secondary pollution, flour quality is difficult to control. 1.4 food quality is difficult to control the traditional artificial powder to the number of flour bags as a basis, and the actual weight there is a certain error, it is difficult to ensure the quality and stability of food quality. 2 automatic centralized supply of powder system applications Compared with the traditional supply system,


1]
The Bulk transport can save material and packaging costs, and transport convenient and flexible, in the entire receiving system, no contact with the outside world, to avoid secondary pollution, with good economic benefits. 2.2.2 flour out of the warehouse system
Two flour ware can be stored in different varieties, according to production needs, by adjusting the frequency of feeding the dragon, has reached the purpose of flour with coarse, to ensure the stability of flour quality, making production more flexible, convenient, operable The 2.2.3 Flour screening system
Flour must be sifted before entering the production workshop to prevent flour agglomeration, raw insects contaminated food raw materials, but also to prevent the process of manual bagging and other foreign objects fall into the bag. Magnetic separation system can filter out the flour in the magnetic material to ensure the quality of flour and food safety. 2.2.4 flour conveying system
Material piping, sealing and automation, is now the bulk material transport technology development direction, and pneumatic conveying is undoubtedly real
Is one of the best ways of this logistics technology [
2]
The Automated centralized supply of powder system The use of pneumatic conveying pressure, compared with other conveyor devices more secure, is conducive to the environment and health, to avoid the material damp, mixed with foreign matter, but also reduce labor intensity, greatly improving production efficiency. 2.2.5 Discharge system
As the temporary storage warehouse volume is small, pressure into the warehouse, the direct suction dust, will produce a lot of suction powder, inconvenience to the production, the system uses a professional cycle of the warehouse, can effectively reduce the production of suction powder ,
Reduce labor costs and waste of raw materials, improve economic efficiency. 2.2.6 weighing system
The system uses high-precision weighing module, combined with the weighing control instrument on the material accurately weighed in the entire PLC system under the control of accurate and stable for the use of powder to provide raw materials, greatly improving the work efficiency. The amount of material weighing calculation is accurate, no unmanned operation at the same time to improve productivity, for the enterprise has brought considerable economic benefits and good social benefits, while the system PLC control to give full play to its anti-interference ability, flexible configuration, reliable control , Easy programming, easy maintenance and the advantages of field commissioning, to the stability of the entire system
Sex brings greater benefits [
3]
The 2.2.7 Dust removal system
In the artificial hopper, pressure off the wind, batching scales and other easy to produce dust at the operating point are set up suction points, and after the bag filter discharged from the outdoor, greatly improving the working environment, to prevent dust explosion, to ensure production safety.
2.2.8 control system
The system is controlled by PLC equipment in accordance with the design process of stable operation,
And in the corresponding position to set the level device and other alarm devices, in order to achieve unsupervised circumstances, can guarantee the normal operation of equipment. The feeding and discharging of the batching is also carried out by PLC control. The whole system greatly reduces the input of labor cost, and greatly improves the production efficiency and economic efficiency. In the whole system, all the equipment are set on-site maintenance and emergency stop switch, can effectively ensure the safety of the staff.
3 Conclusion
Automated centralized supply systems are substances that are available for human consumption or consumption, including processed foods, semi-finished products and unprocessed food. The top priority of the enterprise, the supply chain for the production of safety is the key to ensure the quality of follow-up products. Artificial powder supply system mainly by manual operation feeding,
Human factors greatly reduce the accuracy of feeding and material safety, has been far from being able to meet the needs of modern food production enterprises,
The automatic centralized supply of powder system in the flour to accept, flour out of the warehouse, flour transport, flour weighing and other sectors have great advantages, can give enterprises a good economic benefits, is now in a number of large food enterprises have been applied. System automation supply powder system compared with the artificial powder system, with stable operation, simple operation, cost-effective features, it is the inevitable trend of the development of the food industry membrane filter with a small aperture (0.2μm)
, The film surface is smooth, the filtrate permeability is small, easy to recoil and cleaning, membrane hole should not be
Blocking, filtering capacity (1.5 ~ 2.0m3 / m
2
H), high filtration efficiency; the use of the film manufacturing device can be calcium salt process wastewater for forced separation, both purification of wastewater (0 ~ 20
NTU) can be timely and timely recovery of calcium salt process wastewater citrate substances; In addition, the use of compressed air to filter the filter, so that the membrane aperture remains the maximum. This device is fully automatic control, no operation, the production unit time can be set according to the incoming situation, the equipment used in the market can be used from the market market trading market from ancient people on a fixed period of time or place to trade Place, refers to the place where the buyer and seller trade.

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