Let's trace the development footprint of domestic cocoa pressing equipment and explore its development history regarding the development of cocoa butter press. In the late 1970s in China, the processing of cocoa butter mainly fell on the shoulders of some large state-owned oil factories, such as Shanghai Industrial Grain and Oil Company and Wuxi Vegetable Oil Factory, which were like shining pearls in the cocoa butter field. However, at that time, the pressing technology still needed to rely on the transformation of equipment in the domestic oil industry. Therefore, the high fat content of the cocoa powder produced hinders the improvement of cocoa butter (cocoa oil) yield.

On the other hand, in foreign countries, cocoa butter press equipment has entered a mature stage, and cocoa equipment manufacturers have sprung up like mushrooms on the international stage, competing to bloom. However, domestically, this field is still in its infancy, and professional manufacturers are rare and difficult to find.

In the 1980s, foreign hydraulic press technology entered China, injecting a new vitality into the domestic cocoa pressing industry. Shanghai Grain and Oil Industry Company, in collaboration with numerous large oil and fat factories, has jointly designed a cocoa oil press that belongs to China, pioneering the domestic cocoa industry. Under the design thinking at that time, this hydraulic press adopted a structure of four cylinders.

Four column cocoa butter press ↑

At that time, more than ten horizontal presses were produced. Distributed in units such as Shanghai No.4 Oil and Fat Factory and Wuxi Vegetable Oil Factory, it is also applied to the pressing of other high-fat materials: sesame, walnut, peanut and other industries. The product quality is superior to other pressing methods. The main parameters of the equipment are: total pressure of the press: 1400 tons, main cylinder oil pressure of 350kg/cm ², 10 press cylinders, and a weight of up to 40t. The daily processing capacity can reach 8-10 tons. Residual oil can be controlled below 12%. With the changes in the domestic cocoa industry, in the early 1920s, Wuxi Cocoa Factory began designing and manufacturing hydraulic presses with two cylinders, which were successfully applied in the cocoa processing industry.

The main performance of this device is:

Working pressure, size, pressing capacity, cylinder number, weight

500Mpa 5660x1700x1850 140kg/time 10 cylinders 23t

This greatly improves the performance of the original press in all aspects.

14 cylinder hydraulic press ↑

In 2011, based on the complete production line of Shanghai Shende Cocoa, Wuxi Cocoa Factory designed and manufactured a 14 cylinder hydraulic press, which was successfully applied in the factory and greatly improved production efficiency.

At present, domestic cocoa hydraulic presses are mainly distributed in Jiangsu, Zhejiang, Anhui, Zhenjiang and other places.

Currently, domestic enterprises such as CHOCOMACH can produce fully automatic hydraulic oil presses with 6, 8, 10, 12, 20, and 22 cylinders, which are used in various high-fat industries.

cocoa butter press ↑

Modern cocoa butter press adopt advanced hydraulic technology and control systems to ensure the stability and accuracy of the pressing process.

1. The automation level of equipment continues to improve, reducing manual operation costs and ensuring production.

2. With the increasing global awareness of environmental protection, cocoa hydraulic presses are paying more and more attention to energy conservation and environmental protection in their design and manufacturing processes. For example, adopting energy-saving hydraulic systems and optimizing equipment structures to reduce energy consumption.

3. Intelligent development: Currently, intelligence has become an important trend in the development of cocoa hydraulic presses. By introducing technologies such as the Internet of Things and big data, real-time monitoring and intelligent control of the pressing process can be achieved, further improving production quality and efficiency. The cocoa hydraulic press has gone through the entire process from early development to specialized design for cocoa, and then to modern technological progress and intelligent development. This process not only reflects the continuous innovation of industrial technology, but also the vigorous development of the cocoa industry and the continuous pursuit of efficient and high-quality production equipment.

Nowadays, cocoa butter presses not only occupy an important position in the domestic market, but also gradually move towards the international stage, demonstrating the strong competitiveness of Chinese manufacturing in the field of food machinery. Some companies have started developing customized presses that can adapt to the characteristics of raw materials in different countries and regions, in order to meet the diverse needs of cocoa producers worldwide.

The new breakthroughs in the field of materials science have also brought innovation to cocoa oil presses. The application of new wear-resistant and corrosion-resistant materials has significantly extended the service life of equipment and reduced maintenance costs. At the same time, these materials also improve the extraction efficiency of cocoa beans' oils and flavor components by the press, optimizing the quality of the final product.

In addition, as consumers' attention to the health attributes of cocoa products continues to increase, cocoa hydraulic presses are also paying more attention to nutrient retention and food health in their design. By optimizing the pressing process and parameter settings, we aim to minimize the damage caused by heat treatment to the nutritional components in cocoa, while ensuring that the product meets international food standards.

Looking ahead to the future, the development of cocoa butter press will continue to move towards greater efficiency, intelligence, and environmental friendliness. With the continuous advancement and innovation of technology, we believe that the domestic cocoa pressing equipment industry will usher in a more brilliant tomorrow, contributing more "Chinese wisdom" and "Chinese strength" to the prosperous development of the global cocoa industry.

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