How to choose the right wheat processing plant?

Flour is a food that everyone often uses, and the processing equipment for producing flour is very important to us. It can meet our needs and produce flour that suits our taste, but there are many flour processing equipment on the market. How to choose the wheat processing plant suitable for us?

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From the perspective of production volume: due to the size problem, the voltage and power parts used are the same, and their processing capacity is also different. It is only suitable for small workshops and not suitable for large processing plants. If you want to process more, you can only buy large flour processing equipment.

In terms of price: everyone can compare this, and large-scale flour machinery and equipment must be more expensive.

In terms of processing: the shape is relatively small, and it is not easy to produce over-torque or bonded flour. However, compared with large-scale flour equipment, its flour extraction rate is relatively low, and its efficiency is relatively low.

In terms of size: the small flour mill machinery has a simple structure and a small footprint. Whether it is processing or installation, the operation is relatively simple and the process performance is relatively good. Large-scale wheat processing machine is more suitable for large-scale production lines and is more intelligent and convenient.

Considering the structure: the small flour machine is composed of feeding, conical mill, and separation system. It integrates crushing, flour grinding, and feed processing machines. It is suitable for rural and small-scale grain and feed processing operations. Simple structure. Large-scale wheat flour milling machine is composed of cleaning equipment, grinding, sieving, packaging, and other equipment, which is relatively more complicated.

Hanzhong Burt 20 tons wheat flour milling machine is very popular with foreign customers, It mainly includes a cleaning sieve, wheat threshing machine, destroyer, washing machine, magnetic selector, wheat milling machine, high-efficiency plansifter, bran brusher, flour elevator, fans, airlocks, and so on.

If you have any questions about choosing a wheat flour processing plant, you can always consult the staff of Fire Phoenix Flour Machine. We have 30 years of experience in processing flour machines and sincerely look forward to cooperating with you.

Page Content

Xingfeng are exported all over the world and different industries with quality first. Our belief is to provide our customers with more and better high value-added products. Let's create a better future together.

Elieser S. Posner, ESP International, Savyon, Israel

WHEAT: Chemistry and Technology, Fourth Edition
Pages 119-152
DOI: https://doi.org/10./.005
ISBN: 978-1--55-7

Abstract

This chapter is, to a large extent, a continuation of the wheat flour milling chapter contributed by Bass () and is not intended to repeat all the information documented previously. Although the basic principles regarding wheat milling are described, the reader and student of milling should regard the information as additional information based on new research and development generated since the last edition. This chapter also includes new ideas regarding methods and technology, which are generated continuously in research institutions and in practice by flour millers.

Since the dawn of civilization, wheat has been ground to flour for baking using various technologies. The common denominator or objective of all &#;wheat processors&#; or millers was to crush the kernels to such a form that, when mixed with water, it would create dough to be leavened and baked by heat. As human taste evolved and therefore the products demanded from millers changed, objectives such as the separation of endosperm, bran, and germ became important. Various manuscripts describing the history of human civilization deal with the development of milling, from crushing wheat kernels by stones to the modern roller milling technology (Bass ). Since the end of the eighteenth century, when Oliver Evans set up the continuous flour milling process, many different control and automation levels have been implemented in the system, from wheat blending, cleaning, and grinding to flour blending and warehouse stock inventory.

However, most of the control and automation devices do not control the technological parameters of milling, which are based on the miller's knowledge, experience, and intervention skills. The twenty-first-century concepts of mill adjustments and fine tuning of equipment in the modern high-capacity flour mill are very precise, expressed in micrometers (μm) and milligrams (mg). New wheat varieties with different characteristics, even very minute ones, are reaching the mill, and the miller needs to observe the changes and make the necessary adjustments in the technical aspects of the operation. Since wheat is a commodity, the standards for it relate only to appearance and purity, neither of which affects its processing characteristics. Present and future trends of increased plant capacities, automation, and sophistication require a change in the wheat marketing system so that it is based also on processing quality characteristics. To create a market for wheat based on milling quality, proper evaluation and segregation must start at the first collection point, at the country elevator. Around the world, differences in wheat trading specifications still exist that differ in methods for grade evaluation and require different test results, such as for moisture content. Many countries report wheat and flour at dry basis. Canadians report wheat at 13.5% and flour and semolina at 14%, and the United States reports wheat at 12% and flour and semolina at 14%. Similar quality classification and reporting systems should be agreed upon among countries and will be an advantage to traders and processors.

The technological challenge of separating the three main parts of the wheat kernel (endosperm, germ, and bran) as efficiently as possible is complex because of the kernel shape, the crease, and the aleurone layer (the latter is considered botanically as endosperm but is difficult to separate from the bran). The efficiency of separation is estimated by calculating the amounts of the various end products. The amount of flour recovered while its qualities are kept at specified levels is usually expressed as &#;flour extraction&#; and can be expressed in a number of ways. The more common methods of calculating flour extraction are based on dirty wheat to the mill, wheat to first break, or the total products from the milling operation. All values can be expressed on an &#;as is&#; moisture basis or corrected to a dry moisture basis. Periodically, flour extraction is calculated based on measurements with a full accounting of all stocks on the premises, &#;all wheat in,&#; and &#;all mill products out&#; during that period. Each of the methods has its merits and advantages in flour milling and generates information for different purposes. Determination of total product extraction is advantageous in controlling and evaluating technical adjustments and changes in the process.

With the dry milling process, it is not possible to achieve optimum separation of the endosperm, bran, and germ parts. Accordingly, the objective remains to get as close as possible to the optimum. The miller needs to consider wheat shape, size, texture, density, and chemical content among the characteristics that dictate the adjustments needed in the milling process in order to achieve the best possible results. The milling is also substantially different when different kinds of wheat (e.g., soft, hard, or durum) are ground, and the process is designed and adjusted differently for each of the wheat varieties. In the last few decades, new white and especially hard white wheat varieties have been grown and have gained popularity because they provide millers with a higher extraction rate than red wheat does.

Globalization of wheat milling technology is developing and is exemplified in the similar design concepts of new mills around the world. Machine designs from different engineering companies vary mainly in hygiene, special adjustment and control features, ease of access and maintenance, noise level, and durability. This chapter does not include milling equipment pictures but only schematic drawings of machines and processes where it is necessary to understand their function or a process that needs elaboration. The reader is encouraged to use the websites listed at the end of this chapter to get firsthand information and pictures of the equipment from various mill engineering companies.

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