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【Case】Xinhai Iron Processing Projects

2021-06-11 XinHai Views (359)

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As the important ferrous metal mineral, Iron has a pivotal position. In recent days, with the change of international situation, the price of iron ores violent fluctuates. The raw materials of related industries rise in price, which sparked heated debate and also stimulated the development of mining industry. In this passage, we will introduce you part of Xinhai iron processing projects.

01Hebei 10000tpd iron processing project

Hebei 10000tpd iron processing project

Project overview:

The raw ore of this project is the ore powder purchased from multiple places. The ore characteristics such as grade and hardness are different. It brought challenges to the processing flow. Through inspection and comparison, the client thought that Xinhai mineral processing EPC+M+O is more competitive. The one-stop customized service of design and research – the whole set equipment manufacturing and purchasing – delivery and commission – mine management and operation guaranteed both the processing efficiency and economic efficiency on the roof. According to the requirement of client, Xinhai finally designed two production lines of 5000tpd, which satisfied the production requirement.

Xinhai solution:

Grinding – magnetic separation – concentrate dewatering – tailing treatment

02Mongolia 3500tpd iron mining-processing-tailing project

Mongolia 3500tpd iron mining-processing-tailing project

Project overview:

Xinhai provided the one-stop mineral processing EPC+M+O service for this project. At the beginning, The clients entrusted Xinhai with the detailed mineral processing experiment. After the experiment, Xinhai mine researcher found that iron was the only valuable element in raw ore of this project. It was low-phosphorus and low-sulfur acid primary magnetite ore. In the deep research of ore characteristics, Xinhai provided the ideal processing flow.

Later, Xinhai sent mine design technics to inspect project site for the correct location. The details of the design plan were optimized repeatedly, and Xinhai Mining handed over the complete design plan of the processing plant in a short time. The clients were moved by the professional technology and service attitude.

Xinhai solution:

In the processing stage, it used three stage closed crushing and screening – stage grinding and stage magnetic separation – concentrates and tailings dewatering processing flow.

03Xinjiang 3300tpd iron processing project

Xinjiang 3300tpd iron processing project

Project overview:

Xinjiang 3300tpd iron processing project was the transformation project of Xinhai Mining. On the basis of the original processing project, Xinhai Mining added new equipment and technology, fully using the present workshop, equipment and basics.

Xinhai solution:

Three stage grinding – six stage closed processing – concentrates and tailings dewatering technology.

04Shanxi 2400tpd iron processing project

Shanxi 2400tpd iron processing project

Project overview:

Xinhai Mining provided one-stop customized mineral processing EPC+M+O service for Shanxi 2400tpd iron processing project. Through mineral processing experiment, Xinhai Mining found that the raw ore of this project is natural sand ore. It was hard to grind. The grain size of iron and gravel inlay was very fine (-325 mesh needs to be more than 90%), and the content of mica was high, which had a great influence on grinding and beneficiation. It belonged to refractory iron ore.

Xinhai solution:

Raw ore aside from tailings and regrinding, magnetic separation processing flow.

05Hebei 2000tpd iron desulfuration processing project

Hebei 2000tpd iron desulfuration processing project

Project overview:

Entrusted by the project company, Xinhai provided mineral processing EPC+M+O service including design and research, whole set of equipment manufacturing and purchasing, commission and delivery, mine management and operation. After the experiment of ore sample, Xinhai mining found that, after mixing the iron ore with one roughing and two scavenging operation, the iron concentrates with 94.54% production rate, TFe grade of 63.91%, 95.08% recovery rate. The Sulphur content of iron ore concentrate was reduced to below 0.15%, and even 0.065%.

Xinhai solution:

Grinding and magnetic separation – one roughing and two scavenging flotation processing flow.

06Yunnan 2000tpd iron processing project

Yunnan 2000tpd iron processing project

Project overview:

Xinhai Mining provided Yunnan 2000tpd iron processing plant mineral processing EPC+M+O service including design and research, whole set of equipment manufacturing and purchasing, commission and delivery, mine management and operation.

According to the ore characteristic of this project, Xinhai carried out targeted mineral processing experiment and gave the suitable mineral processing flow. Strong magnetic separation and verse flotation are used for weak magnetic iron ore. Weak magnetic separation can be used for strong magnetic iron ore.

Xinhai solution:

Weak magnetic iron ore: two stage and a half closed circuit crushing and screening – one stage closed grinding – strong magnetic separation technology, two stage and a half closed circuit crushing and screening – two stage closed grinding – verse flotation technology.

Strong magnetic iron ore: two stage and a half closed circuit crushing and screening – one stage pre-magnetic separation – one stage closed grinding – two stage weak magnetic separation.

07Shanxi 1200tpd iron processing project

Shanxi 1200tpd iron processing project

Project overview:

Shanxi 1200tpd iron processing project is Xinhai mineral processing EPC+M+O project including mineral processing experiment, mine design, equipment manufacturing and delivery, installation and commission, worker training, mine management and operation.

Xinhai solution:

Two stage closed crushing and screening – two stage closed grinding and classification – one roughing, three concentrating magnetic separation – concentrates and tailings filtering and dewatering processing flow.

08Anhui 600tpd iron processing project

Anhui 600tpd iron processing project

Project overview:

The ore composition is complex. Xinhai Mining carried out a series of mineral processing experiments for this project. Through analysis and comparison of multiple mineral processing technologies, the ideal mineral processing flow was customized.

Besides, while providing efficient development and utilization of resources, Xinhai Mining paid great attention to environmental protection, and provided efficient and reasonable solutions to the dust, noise, waste water and tailings generated by the processing plant, realizing the green development and construction of the mining area.

Xinhai solution:

Stage grinding(two stage grinding) – stage processing(six stage magnetic separation) – iron concentrates dewatering – magnetic separation tailings gravity separation – regrinding – flotation to separate sulfur and titanium.

09China iron concentrates desulfuration experiment project

China iron concentrates desulfuration experiment project

Project overview:

Entrusted by the company, Xinhai Mining undertook the iron concentrates desulfuration experiment project,determining the iron concentrate desulfurization process and ideal process indicators. The multi-element analysis test results of the raw ore show that the grade of TFe in the raw ore is 60.92%, and the grade of sulfur is 3.36%.

Xinhai solution:

Under the condition that the grinding particle size was -200 mesh, accounting for 51.1%, one coarse, two scavenging, two fine flotation - two-stage magnetic separation operations can obtain an iron concentrate yield of 69.11%, a TFe grade of 70.44%, and a recovery rate.

79.84% of the iron ore concentrate, the sulfur content in the iron concentrate is 0.16%.

010Malaysia iron processing experiment project

iron-project10.jpg

Project overview:

The main metal minerals of the project were iron oxides, mainly hematite and magnetite, and the gangue minerals were mainly argillaceous with aluminum and silicon, with serious siltification. The raw ore had an iron grade of 40.91% and a sulfur grade of 0.18%, which was a refractory iron ore. Xinhai Mining Research Institute focused on the experimental research and analysis of ore mineral characteristics and beneficiation process characteristics, beneficiation methods, process flow structure, beneficiation indicators, process conditions, etc., and carried out the experimental comparative study of three process schemes: magnetic separation, magnetic separation + reverse flotation, roasting and wet magnetic separation.

Xinhai solution:

After comparative tests of various processes, the yield and grade of the iron concentrate obtained by the weak magnetic separation process are low; the iron concentrate obtained by the magnetic separation + reverse flotation process cannot meet the requirements of industrial iron powder; the raw ore roasting and wet magnetic separation process can be used.

An iron concentrate with a yield of 41.05% and an iron content of 57.75% was obtained, and the iron recovery rate was 57.87%.

011India iron processing experiment project

iron-project11.jpg

Project overview:

After the beneficiation test, Xinhai Mine found that the iron content of the project's original ore is 56.60%, and only iron in the ore has recovery value. Iron minerals mainly exist in the form of magnetic iron minerals. The distribution characteristics of raw iron minerals and ore minerals are not uniform, and the particle size is medium-fine and fine-grained.

Xinhai solution:

The test results show that as long as the iron mineral particles are separated, the iron minerals can be enriched and separated, that is, the coarse ore is subjected to magnetic separation and tailing, so as to achieve the purpose of improving the grade of the iron ore concentrate.

In the end, Xinhai Mine recommends adopting the stage grinding stage magnetic separation and tailing process.

012Iron copper and iron processing experiment project

iron-project12.jpg

Project overview:

Through multi-element analysis of the original ore, Xinhai Mining found that the original ore of the project contains 59.76% of iron and 0.12% of sulfur. The main metal mineral is magnetite, and the main non-metallic minerals are minerals such as aluminosilicate.

Xinhai solution:

Xinhai Mining has carried out systematic condition test and flow test for this iron ore, and it is recommended to adopt stage grinding stage sorting.

The tailings of the raw ore are thrown, and the coarse concentrate is reground. The regrind particle size is -200 mesh accounting for 39.6%. The yield rate can be obtained by weak magnetic separation of 86.15-86.17%.

With the mature and popularization of COVID-19 vaccine, the global enthusiasm for economic recovery is high. Each country gradually restores production capacity. The demand for bulk commodities has also steadily increased. Further promoted the investment and development of the mining industry.

In the future, Xinhai Mining continues to practice "What you need is what we can do" service concept, continuously improve the beneficiation technology, equipment technology innovation and popularization and application, In-depth development of the service path of the factory, Continue to provide one-stop, customized processing plant solutions for global customers!

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