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1 The product is wear-resistant, has good low-temperature resistance, and has a long replacement cycle, saving production costs; 2. The sieve hole is uniform, and it is not easy to be blocked during use, which can effectively improve the quality of fine powder and production efficiency; 3. The product structure is reasonable, which saves time and effort in installation and replacement, that is, shortens the time for installation and maintenance, and reduces the labor intensity of workers. Scope of application Coal, mining, sewage treatment and other industries.

Working principle and performance: When the drum screening machine is working, the motor is connected to the drum device through the reducer through multiple sets of couplings, and the drum device is driven to rotate around its axis. When the material enters the drum device, due to the inclination and rotation of the drum device, the material on the screen surface is turned and rolled, and the material that passes through the screen hole is automatically discharged, and the material that does not pass is discharged through the end of the drum. Due to the turning and rolling of the material in the drum, the material stuck in the screen hole is ejected through the anti-blocking screen device, which can prevent the screen hole from being blocked. Scope of application: 1. In the quarry, it is used for grading large and small stones and separating soil and stone powder. 2. It is used to separate sand and gravel in the gravel field. 3. The coal industry is used for the separation of lump coal and coal powder and coal washing (a component of coal washing machinery). 4. In the chemical industry and mineral processing industry, it is used for grading large and small lumps and separating powdery substances. 5. Domestic waste sorting. Features: ①The sieve hole is not easy to be blocked. ②Stable operation and low noise. ③Simple structure and easy maintenance. ④Sieving can be easily closed, easy to seal and collect dust. ⑤ The whole machine has high reliability and less one-time investment. ⑥Using special screen, high screening efficiency and long service life. ⑦Can be customized according to needs, multi-section or single-section. structure: The trommel screen is a kind of machine widely used in the sorting technology. It controls the sorting of garbage by the size of the particles, and the sorting accuracy is high. The simplified form of the rolling sieve is generally divided into several sections, depending on the specific situation, the sieve holes are arranged from small to large, and the sieve holes on each section have the same aperture.

Established nearly 30 years ago, it has been focusing on the research and development and production of mining screens, and has obtained 18 national patents in total. Called "Red Star Screen") an excellent answer sheet. As a private enterprise that only develops and produces screens, why does Hongxing Screen stand out and create its own myth in the screen field? In this regard, a reporter from "China Mining News" recently interviewed Han Feng, the chairman of the company. "China Mining News": In the national screen industry, Red Star Screen is a well-known business card. What are the main products of Red Star Screen? Han Feng: Hongxing Screen was established in the 1980s. It has four large-scale production workshops: wire drawing, woven screen, polyurethane series, and self-cleaning screen workshop. It has a complete set of production and management procedures in line with the ISO9001 quality management system. The company has a variety of products, and its leading products include anti-blocking mesh series products, polyurethane series screens, woven series screens, etc., which have been recognized and praised by customers at home and abroad. "China Mining News": In the sand and gravel aggregate industry, screening is a very important field, and the screen mesh as its main component is the key to ensuring quality and output. How does the Hongxing screen solve the two major problems of screen blocking and non-wear resistance, and help the sand and gravel production line to reduce costs and increase efficiency? Han Feng: The hole blocking of the screen is a very headache for users, and it is also a major problem that restricts the screening efficiency. In order to solve the problem of screen blockage, we will select and adjust the type and structure of the screen according to the customer's on-site production situation, and have launched self-cleaning screens with various structures, which have obvious anti-blocking effects. The screen is not wear-resistant. From the point of view of the product alone, there are three reasons: the first is the raw material. Hongxing screen selects ideal raw materials through screening of well-known raw material factories at home and abroad, and then conducts special customization with steel mills, and processes steel wires with unique technology. The second is the production process. Hongxing Screen has been implementing standardized and process-based management, refining the processing procedures, and strictly controlling the details of the process. It has successively issued "Product Standard Manufacturing Card", "Process Inspection Specification", "Workshop Production Process", etc. to ensure product quality stability and consistency. . The third is product design. Combining the actual situation of customers on site, Red Star develops diversified products in a targeted manner to meet the different needs of different customers. "China Mining News": As an enterprise with a history of more than 30 years, what are the competitive advantages (products, services, after-sales) of Hongxing Screen? Han Feng: After years of cooperation with foreign customers, Hongxing Mine Screen has accumulated experience in dozens of screen machines. With its strong and durable, various weaving types, complete types, high impact resistance and high wear resistance, Hongxing screen can meet the requirements of high-precision screening, and has the advantage of being able to match the world's screening machines. More than 90% of the products are exported to North America, Europe, Australia, the Middle East and other regions, and are widely used in construction waste treatment, mines, road construction, tailings recycling and other related markets. Over the years, Hongxing Screen has established a good reputation relationship with customers. Quality is the foundation of our survival, and research and development is the way of development. Over the years, we have always adhered to the concept of "practicing high quality and creating 'zero defect' with ingenuity". Over the years, with the concept of comprehensive, efficient and sincere service to customers, Hongxing Screen has provided customers with the following services: First, Hongxing Screen provides housekeeping customer service around the clock throughout the year, and all technical engineers will respond within 20 minutes , and conduct related technical issues docking. Second, Hongxing Screen can provide domestic and foreign customers with on-site technical services and on-site after-sales services within 24 hours. The third is that Hongxing Screening can provide on-site technical services for non-customer groups with technical needs. As long as there are technical needs, Hongxing Screening will provide technical services and product consulting services whether it is a cooperative customer or not. The fourth is that Red Star Screen will conduct customer return visit services every month, conduct return visits on product usage, technical problems, etc., and provide targeted technical services. Fifth, Red Star Screen will provide customers with uninterrupted free technical training. "China Mining News": technological innovation is an inexhaustible driving force for enterprise development. In terms of scientific and technological innovation, what efforts has Red Star Screen made? Han Feng: Red Star Screen has its own R&D and technical team, and invests a lot in new product development, equipment update and technology upgrade every year. In 2016, we cooperated with China University of Mining and Technology to establish a postgraduate practice base of China University of Mining and Technology and Hebei Provincial Polymer Materials Engineering Research Center in the company. In terms of hardware, we have established a 3,000-square-meter R&D experiment center equipped with metal detectors, rubber tensile machines, DIN abrasion machines, mesh testing machines, chemical testing machines and a full set of chemical laboratory equipment. In terms of software, we have purchased a full set of 3D drawing software, ANSYS finite element analysis software, EDEM discrete analysis software and other auxiliary products for the research and development of the most professional international first-class software in the industry. In terms of technical cooperation, Red Star Screen has established cooperative relations with well-known institutes and universities across the country. "China Mining News": Affected by the new crown pneumonia epidemic in the past two years, have there been any changes in the international strategy and domestic situation of Red Star Screening Group? What is the company's future development plan in the post-epidemic period? Han Feng: In the past two years, due to the impact of the new crown pneumonia epidemic, the production and processing industry has been greatly impacted. The cost of raw materials is rising every day, and Hongxing Screen and our domestic and foreign customers have suffered a lot. In line with the tenet of taking customers as the foundation and serving customers, Red Star Screen has formulated the "Star Project", and the enthusiasm for customer cooperation and the number of customers have grown steadily. One is that Red Star screens cost tens of millions of dollars to purchase raw materials in large quantities to prevent delays in product production. At the same time, a dedicated overseas warehouse and temporary turnover warehouse are established to produce and reserve in advance for customers with purchasing plans. The second is that Red Star Screen promises annual cooperation customers, as long as the annual cooperation intention is signed, the price of locked products will not increase throughout the year. For customers who have financial difficulties due to the impact of the epidemic, the customer account period will be extended to tide over the difficulties together. Thirdly, due to the epidemic situation, Hongxing Screen provides customers with 24-hour online product technical services throughout the year, and domestic customers can enjoy on-site services throughout the year. The future development goal of Red Star Screening Co., Ltd. is to provide services at the doorstep of customers and make customers into neighbors. The company will establish a large number of overseas warehouses and product service centers at home and abroad, build warehouses and service centers at the doorstep of customers, and provide customers with product technical services anytime and anywhere. (Chief reporter Wang Qiongjie, correspondent Shang Qian and Wang Ziqi)

In recent years, my country's sand and gravel aggregate industry has accelerated the pace of industrial structure adjustment and technological upgrading, the green mine action has continued to deepen, and environmentally friendly and intelligent sand and gravel aggregate crushing and screening equipment has become more and more important. In the sand and gravel aggregate industry that advocates "more screening and less crushing", the requirements for screening efficiency and quality are becoming more and more stringent. As an important part of crushing and screening equipment, the performance and quality of the screen greatly affect the efficiency of the equipment and the quality of the aggregate product. Han Feng, chairman of Anping County Hongxing Wire Mesh Manufacturing Co., Ltd., said that Hongxing Mesh insists on making high-end products, starting from raw materials, insisting on the manufacture of "high-quality, zero-defect" products, strictly controlling every production process, and helping the construction of smart mines and the industry Transform and upgrade to contribute to China's smart manufacturing. Li Hua, founder of Sand and gravel aggregate network, and Han Feng, chairman of Red Star Screen ► Sand and gravel aggregate mesh: Screen mesh is a consumable product, and the price has always been the dominant factor in the sand and gravel market. Hongxing Screen has been taking the high-end route, focusing on the research and development and production of mining screens for more than 30 years. Please share with us how Hongxing Screen maintains its long-term competitive advantage? ► Han Feng: Hongxing Screen was established in 1989. We target the high-end market, and have cooperated with China Resources, Conch, Jinyu Jidong, Tianrui Cement and other enterprises in China. In 2006, a new production base of screens was built, using unique material processing technology and production process, focusing on the research and development and production of mining screens, and has obtained 18 advanced patents. More than 90% of our products are exported, and our products are exported to North America, Australia, Europe and other regions. We have established offices and overseas warehouses in Japan, Australia and other places. I believe that quality is the foundation of an enterprise's survival, and technological innovation is the way of development. Over the years, Hongxing Screen has always adhered to the concept of "high quality, zero defect". From raw materials to product delivery, every process is strictly controlled, striving for excellence, and the product quality is stable and consistent. We learn from foreign advanced technology and combine domestic reality to develop more than ten kinds of products that are durable, diverse in weaving types, complete in variety, strong in impact resistance, and high in wear resistance, meeting the requirements of high-precision screening and shortening the downtime and maintenance of screening machines. Replacement time saves costs in production and helps enterprises achieve cost reduction and efficiency increase. We have our own R&D and technical team, and invest a lot of manpower, material and financial resources every year in new product development, equipment update, technology upgrade, etc. At present, our technical team is developing "smart screen", which can monitor the screening status of the screen machine in real time after the test is completed, and realize the intelligent management of the screen machine equipment. In addition to products and technology, service is a major advantage of Hongxing Screen. First, we provide customers with 24/7 butler-style after-sales service, and all engineers will respond within 20 minutes. Second, we provide customers with uninterrupted free technical training. Third, there will be regular customer return visit services every month, and guidance on product use and technical problems. Fourth, we can also provide on-site technical services, product consulting services, etc. for non-customer groups. ► Sand and gravel aggregate network: Since 2019, the sand and gravel aggregate industry has officially entered a new era of high-quality development, and the construction of smart mines has become an inevitable trend in the development of the industry, which has a great impact on the equipment manufacturing industry. What is your opinion on this? In the face of market changes, what plans does Red Star Screen have? ► Han Feng: With the development and iteration of intelligent systems, smart mines will be based on data, using cloud computing and big data processing to control the production system, realize "intelligent" management and operation, and produce products of different specifications that meet market demand. High quality sand and gravel aggregate. On the one hand, with the continuous accumulation of science and technology, sand and gravel mines are currently applying relatively cutting-edge technologies; on the other hand, the development methods and production processes of sand and gravel mines are relatively simple, and the difficulties of smart mine construction are easy to overcome. It is very feasible to realize complete unmanned precision control in crushing, screening, shipping and other links. Therefore, the construction of sandstone smart mines has great potential in the future. As a mining equipment manufacturing enterprise, Hongxing Screen has accumulated a long history in "smart manufacturing". We firmly believe that on the premise of ensuring high quality, we can better serve customers and prolong the economic benefits of the enterprise by using advanced technology and expanding product diversification functions. Taking the "smart screen" as an example, we use an external machine to collect the impact amplitude of the screen, and transmit the signal to the receiver near the screen. Through accurate data calculation, it is then transmitted to the mobile phone, computer APP, small In terms of program, it is connected to the intelligent mine terminal to update the operating status of the screen, material transportation, screening amount, etc. in real time, and monitor the screen around the clock. The quality of the screened product depends on the characteristics of the screen. Compared with the traditional manual monitoring of material retrieving, the real-time monitoring of the screening status through the cloud, the health management of the screening machine, and the remote completion of equipment inspections reduce labor costs and are more convenient and accurate. ► Sand and gravel aggregate network: According to industry analysis, the current sand and gravel mine construction has gradually entered a shrinking period, while the sand and gravel equipment manufacturing has entered a period of stagflation due to the price increase of steel and other raw materials. Intense, domestic equipment manufacturing enterprises are facing huge challenges. It is estimated that in the next few years, 30% of the gravel equipment manufacturing enterprises will be eliminated from the competition. What do you think of this analysis? Do you have any suggestions for the future development of the equipment manufacturing industry? ► Han Feng: Industry reshuffle and survival of the fittest are inevitable. Not only the equipment manufacturing industry, but many mature industries have experienced multiple reshuffles. For equipment manufacturing enterprises, high-quality products, technological upgrades, and customer services are all indispensable, and if they stagnate, they will be eliminated. Stimulated by many favorable policies, the construction of sand and gravel mines is changing with each passing day, and the equipment manufacturing industry naturally follows suit. Traditional equipment manufacturing companies are busy seizing market share, regardless of product quality; eager to expand scale and increase production capacity, without considering new product research and development, transformation and upgrading, resulting in a mixed bag of good and bad in the equipment manufacturing industry. With the advancement of science and technology and the upgrading of equipment manufacturing, traditional mines with high consumption, high energy consumption, and high pollution are being replaced by large-scale, intelligent, and information-based new digital mines. will be eliminated. In the development of more than 30 years, Red Star Screen has accumulated a certain amount of experience, and I will share it with you as my experience: First, products and services are the lifeline of an enterprise and the foundation of its existence. From the perspective of demand, the demand for personalized products in the new era is increasing, and social production factors are being restructured. Both products and services are beginning to realize the transformation from large-scale production to personalized supply. Traditional mass production has long been unable to meet the development needs of the times. Developing personalized, targeted and constantly updated products for customers is the basis for the survival and development of equipment manufacturing enterprises. Second, the manufacturing of environmental protection equipment is the vane of future development. In January of this year, the "High-quality Development Plan for Environmental Protection Equipment Manufacturing Industry (2022-2025)" was issued, which clearly stated that the supply capacity of high-efficiency, low-carbon, and environmentally friendly technical equipment and products should be improved. The sand and gravel industry has more and more requirements for environmental protection equipment. high. Overall, the demand for environmental protection equipment in the domestic market is relatively strong, the proportion of investment in product research and development is also increasing, and new environmental protection products are constantly emerging. Therefore, driven by the concept of green development, only the environmental protection equipment that meets the needs of green mine construction can occupy a place in the market. Third, keep in mind the direction of high-quality development, and truly realize that the transformation and upgrading of intelligent manufacturing can achieve sustainable operation. Real-time monitoring of the production process through intelligent means to improve efficiency while ensuring product quality. Adhering to the concept of providing customers with services anytime and anywhere, intelligent manufacturing is infiltrated into products to help enterprises reduce costs and increase efficiency. Red Star Screen hopes to bring economic benefits to sand and gravel enterprises, while promoting the high-quality development of the sand and gravel industry, contributing to China's intelligent manufacturing, and accumulating strength to increase China's manufacturing in the global market share.