News

2025-10-24

Gangue Resource Utilization:3-stage Suspension + Rotary Kiln Calcined Kaolin Process

Gangue, a major industrial solid waste generated during coal mining, typically contains 30%–60% kaolin, with impurities primarily consisting of carbon, quartz, and iron and titanium oxides. The combined process of "three-stage suspension pre-calcination followed by deep calcination in a rotary kiln" allows for high-value utilization of gangue, transforming it into high-quality calcined kaolin.…

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2025-10-23

Choose ZK's Reduction Roasting Rotary Kiln to Help Enterprises Achieve Stable Production and Create Profits Effectively

For Barite Reduction Roasting Enterprises, A Reliable and High-performance Rotary Kiln is the Core to Ensure Stable Production and Enhance Market Competitiveness. With years of in-depth experience in the mining equipment sector, Zhengzhou Mining Machinery has developed the Reduction Roasting Rotary Kiln.…

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2025-10-23

ZK's Dual-Strategy for 800M Tons of Phosphogypsum: Safe Treatment & High-Value Recycling

ZK has established a research and development team and equipped a pilot production workshop, which enables conducting incoming material tests and process validations to ensure the feasibility of the technical solutions. Through continuous research and development, the company has made several breakthroughs in the field of solid waste resource utilization. The related technologies and equipment have been successfully applied to multiple projects both at home and abroad, and the products have been exported to countries such as Russia, South Korea, the United States, and Canada, earning wide recognition.…

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2025-10-21

Delivery of Two Custom-made Twin-roll Crushers to Russia

Recently, Henan Zhengzhou Mining Machinery Co., LTD (hereinafter referred to as ZK) successfully manufactured and shipped two custom-made 2PG(C) 500×820 twin-roll crushers to a Russian customer. The equipment includes one toothed roll crusher and one smooth roll crusher. The crusher shafts were manufactured using the ribbed shaft technology, meeting the customer's specific production requirements.…

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2025-09-25

Lime Vertical Kiln Tray Unloader Maintenance and Inspection Procedures

This manual covers the maintenance and inspection procedures for the lime vertical kiln tray unloader, including scheduled tasks and a diagnostic guide for potential faults.…

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2025-09-25

Guidelines For The Batching Of LECA Raw Materials

Stable and qualified raw materials are necessary for the continuous and stable production of qualified LECA.…

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2025-07-08

Cup Mill: An Efficient and Reliable Solution for Laboratory Sample Preparation

The Cup Mill, with its rational design, compact structure, convenient operation, and environmentally clean characteristics, is widely used in laboratories for geological exploration, metallurgical analysis, coal quality testing, building material inspection, mine evaluation, chemical research and development, as well as various universities and research institutes. Its efficient and reliable performance provides robust support for the sample pre-processing stage in laboratories.…

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2025-07-08

Pneumatic Conveying System Project

Spanish customer wants to purchase a set of pneumatic conveying system for bauxite grinding conveying.…

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2025-07-08

ZK Rotary Dryer Helps Yellow Phosphorus Enterprises Overcome Low-Grade Phosphate Ore Drying Challenges

ZK has developed an energy-saving rotary dryer specifically for phosphate concentrate. With the core advantages of enriching ore, reducing costs, increasing efficiency, and meeting environmental standards, it helps yellow phosphorus enterprises achieve production upgrades!…

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2025-01-11

Innovation Drives Development: Henan ZK Corp Awarded High-Tech Enterprise Certification!

In today's highly competitive industrial manufacturing sector, innovation and technological advancement are the core drivers of enterprise development. At the beginning of 2025, Henan Zhengzhou Mining Machinery Co., Ltd. achieved a significant milestone—being awarded the "High-Tech Enterprise Certificate." This honor not only recognizes Henan ZK Corp's long-term commitment to technological innovation but also solidifies its position as a leader in advanced technology within the industry.…

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2025-01-16

ZK Corp Assists in Compiling the "Technical Specifications for Coprocessing Solid Waste in Ceramsite Kiln"

Henan Zhengzhou Mining Machinery Co., Ltd., as a pioneer in the industry, actively responded to the national call and participated in the compilation of the "Technical Specifications for Coprocessing Solid Waste in Ceramsite Kiln".…

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2024-10-31

New Zealand Vibration Grizzly Feeder Equipment

A well-known mine owner in New Zealand needs to crush and screen the extracted limestone to a qualified particle size for the production of building aggregates. Due to the scattered mineral resources in the local area, it is necessary to consider the flexibility of overall equipment movement, that is, after mining is completed in one area, it needs to be transferred to another area.…

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2024-08-27

Application of Single Drum Screen Equipment in Petroleum Coke Screening in Lanzhou, Gansu

Henan Zhengzhou Mining Machinery Co., Ltd. will take an actual project in Lanzhou, Gansu as an example to introduce in detail the application of GS1660 drum screen in the screening and grading process of petroleum coke, and show its technical advantages and actual benefits.…

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2024-08-22

Zirconium Sand Grinding Project

Henan Zhengzhou Mining Machinery Co., Ltd. is a professional manufacturer of grinding equipment, and has strong process design capabilities. It can provide customers with a complete set of production line solutions, and provide customers with one-stop services from project feasibility study, process flow design, equipment site layout, equipment manufacturing, equipment installation and commissioning, after-sales training and other aspects.…

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2024-07-27

Pilot Test on Grinding and Calcining of Petalite

In order to meet customer process requirements, reduce R&D costs, and improve the success rate of industrial production, Henan Zhengzhou Minning Machinery Co., Ltd. has designed and built a pilot production line based on the test conditions of different production processes. It can carry out process research such as crushing, grinding, mixing, granulation, calcination, etc. of various raw materials and is equipped with dust and exhaust gas treatment devices.…

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2024-07-10

Warmly Congratulate the Completion of the Installation of Iran's 200tpd Active Lime Calcining Equipment!

Recently, the 200tpd active lime calcining equipment customized for Iran owner has been successfully shipped, arrived at the Iranian port recently, and completed installation. The equipment will be used in Iran's local limestone processing industry to meet the growing industrial demand.…

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2024-07-27

Warmly congratulate the successful delivery of ZJ250×2.1m twin-shaft mixer equipment!

Recently, China's leading environmental protection industry company joined hands with Henan Zhengzhou Mining Machinery Co., Ltd. to witness the successful application of the ZJ250×2.1m twin-shaft mixer.…

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2024-07-15

New Breakthrough in the Resource Utilization of Phosphogypsum: Successful Implementation of Henan ZK Corp’s PQ45 Disc Granulator

This technological innovation by ZK not only addresses key technical challenges in the resource utilization process of phosphogypsum but also contributes to the environmentally friendly use of solid waste. It is a vivid practice of the company's response to the national sustainable development strategy and support for ecological civilization construction.…

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2024-06-29

Spanish Pneumatic Conveying System Project

Spanish customer wants to purchase a set of pneumatic conveying system for bauxite grinding conveying. After further implementation of the detailed requirements of the process and site layout, a complete set of pneumatic conveying system including Roots fan, elbow, pipe, screw conveyor and electrical control cabinet is recommended to the customer.…

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2024-06-29

Disc granulator for Zimbabwe

The customer inquired about the granulation equipment, and after communicating with the customer to implement technical parameters and requirements, the customer's raw material is gold mine tailings, with a feed particle size of 200 mesh and a discharge requirement of 10-20mm.…

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