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Not a metallurgical non-ferrous enterprise, but a non-ferrous metallurgical enterprise.
Non-ferrous metallurgical enterprises refer to the removal of ferrous metals.
Enterprises other than all metal production enterprises, including non-ferrous metal ore mining, beneficiation, smelting and processing of finished products.
According to the nature of its production, it can be divided into:
Heavy metal production enterprises, such as the production of copper, lead, zinc, nickel, etc.;
production enterprises of light metals, such as the production of aluminum, magnesium and titanium;
of enterprises such as tungsten, copper, silver, uranium, thorium, beryllium, curium, germanium and rare earth metals.
Wait. Due to the unique properties of non-ferrous metals, they have been widely used in modern industrial production and are a very important sector in industrial production. The distribution of non-ferrous metals in China is very uneven, Sichuan Panzhihua iron ore, containing 10 kinds of non-ferrous metals vanadium, titanium, nickel, etc., Jinchang City, Gansu Province.
Jinchuan nickel mine, Baiyun Obo rare earth mine in Inner Mongolia, Hubei Daye.
Jiangxi Dexing, Anhui Tongling.
The copper mine, the tungsten mine in Jiangxi Dayu, the antimony mine in the Hunan tin mine, and the old one in Yunnan.
of tin mines, lead-zinc mines in Shuikou Mountain, Hunan.
In order to make full use of the advantages and avoid the weaknesses, give full play to the resource advantages of a certain region, and build a regional mineral base. For example, non-ferrous metal bases have been established in Hunan, Jiangxi, Guangdong and Guangxi, and rare earth industrial bases have been established in Inner Mongolia.
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Other smelting enterprises other than smelting ferrous metals, iron, cobalt and nickel are called non-ferrous enterprises.
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It is mainly industrial wastewater, waste gas and waste residue.
Wastewater - mainly industrial wastewater excluded in the process of hydrometallurgy (acid leaching, alkaline leaching, extraction, preparation of sulfuric acid, slag washing, etc.), which generally contains heavy metals, such as copper, zinc, lead, cadmium, cobalt, etc., especially cadmium, lead, cobalt and other toxic metals, which will cause pollution to soil and rivers. The soil pollution caused by it is mainly to change the properties of the soil, resulting in the death of plants, the inability to grow crops, etc., or the crops contain excessive heavy metal elements.
The direct discharge of untreated wastewater into rivers to meet discharge standards will cause pollution of rivers, not only causing the death of organisms in them, but also directly affecting human water use. In recent years, there have been very bad metallurgical pollution incidents, such as the sewage discharged from the Zhuzhou smelter directly into the Xiangjiang River.
As a result, the Xiangjiang River is very polluted; The sewage discharged from the Shaoguan smelter caused the heavy metals in the Pearl River water to exceed the standard, which directly affected the drinking water of residents in the lower reaches of the Pearl River, the farmland near the smelter could not grow rice, and the blood lead of residents seriously exceeded the standard. cadmium pollution incident in Longjiang River, Guangxi, and so on. These are all briefed, and there are many that have not been reported.
Exhaust gases - mainly exhaust gases emitted by pyrometallurgy, which mainly contain sulfur dioxide.
and other harmful gases. Sulfur dioxide gases turn into acid rain when it rains.
Acid rain is very harmful to soil, plants, rivers, etc. Because the exhaust gas is fluid, the place where acid rain often falls is not the source of emissions, or even thousands of miles away. There are quite a few reports here, but it is not very clear who emitted the exhaust gases.
Waste slag – Both hydrometallurgy and pyrometallurgy have waste slag. The slag obtained by pyrometallurgy is basically stable, and will not cause pollution because of rain or time that the harmful metals in it will enter the soil or water, but its discharge is large, and the current technology can not make it be used reasonably, and the use occupies a large area, which is also one of the problems to be dealt with at present. The slag obtained in the hydrometallurgical process is used for acid leaching or alkaline leaching, so that the harmful metal compounds such as lead, cadmium and cobalt in the hands become unstable compounds, and the unstable compounds will be decomposed and added to the water after being stacked for a long time or stacked in the open air when exposed to rain, so that lead, cadmium, cobalt, etc. enter the water and pollute the soil and water.
The cadmium pollution incident in the Longjiang River in Guangxi, which had a very bad impact, is one such example.
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Non-ferrous metallurgy technology is a metal smelting technology, mainly for non-ferrous metals, such as copper, aluminum, zinc, lead, etc., using various chemical reactions and physical properties to convert ores or waste materials into useful metal materials. The main goal of non-ferrous metallurgy technology is to extract and manufacture high-quality pure metals, while complying with the two principles of environmental protection and economic benefits, reducing environmental pollution and energy consumption, and improving production efficiency.
Non-ferrous metallurgy technology involves many links, from ore mining to metal refining, including sorting, beneficiation, Li leak smelting, steelmaking, casting and other processes. In the smelting process, non-ferrous metals are processed and activated many times, and separated and purified through reaction processes such as smelting, leaching, extraction and electrochemistry, so as to realize the processing and manufacturing of metals.
Metallurgical technology has a wide range of applications in industry and construction. Non-ferrous metals such as copper and aluminum are widely used in construction, cables, automobile manufacturing, electronic devices, military and other fields. With China's increasing requirements for environmental protection and resource conservation, the recycling and resource-intensive development of non-ferrous metals have also become one of the important topics.
Therefore, the innovation and development of non-ferrous metallurgy technology has become one of the necessary means to adapt to market and economic development, which is different from traditional iron metallurgy technology.
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The non-ferrous metal industry is an industry that explores, mines, smelts and produces upstream bulk raw materials required for national economic construction.
Non-ferrous metals include ***, base metals, small metals, etc., except for iron, manganese, chromium, most of the other metals are non-ferrous metals. The non-ferrous metal industry chain involves the exploration, mining, smelting and processing of mineral oak dust mountain, as well as the sales of downstream related products, scientific research, construction, and finance related to metal mining and metallurgy. Non-ferrous metal enterprises are divided into upstream mining enterprises and downstream smelting and processing enterprises.
In practice, although many upstream mining enterprises will also have both smelting and first-class business, it generally refers to the relatively small proportion of the group, and the self-produced ore business is still the main source of corporate profits.
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Summary. Hello, metallurgical technology belongs to the development of non-ferrous metals; China's metallurgy is the pillar of the national economy, China's steel output is the world's first, and many non-ferrous metal outputs are also the first, so the amount of talent needed is also very large, the employment rate of this major is very good, and the general graduates are more adaptable and easy to find. With the rapid development of modern science and technology, the metallurgical technology major has also put forward higher requirements for the comprehensive quality of practitioners, such as the wide application of computer technology in the field of metallurgical engineering, which makes students gradually get in touch with and master rich and practical computer knowledge in the university.
The employment positions of graduates are mainly for iron and steel metallurgy or non-ferrous metal metallurgical enterprises, engaged in the following jobs: (1) metallurgical production and technical management; (2) Technological transformation and technology development; (3) Metallurgical product analysis and testing and process testing.
Hello, metallurgical technology belongs to the development of non-ferrous metals; China's metallurgy is the pillar of the national economy, China's steel and iron production is the world's first, many non-ferrous metal output is also the first, so the number of talents needed is also very large, the employment rate of this major is very good, the general graduates are more adaptable and resistant, and the job is relatively easy to find. With the rapid development of modern science and technology, the metallurgical technology major has also put forward higher requirements for the comprehensive quality of practitioners, such as the wide application of computer technology in the field of metallurgical engineering, which makes students gradually get in touch with and master rich and practical computer knowledge in the university. Graduates are mainly employed in iron and steel metallurgy or non-ferrous metal metallurgical enterprises, engaged in the following jobs:
1) Metallurgical production and technology management; (2) Technological transformation and technology development; (3) Metallurgical product analysis and testing and process testing.
You can take the exam as a registered intermediate security engineer.
Metallurgical major belongs to the safety of the engineering related majors, you can apply for the intermediate safety engineer, but there are work experience requirements, different academic qualifications for the work of the requirements are different, for example, the college degree needs to work for 5 years, and the undergraduate cover calendar needs to work for 3 years.
Yes. If it is 5 years, it is necessary to have a certificate of social security, and if it is broken in the middle, it can be reviewed later, and it can be paid for five years after payment.
Teacher??? Yes, dear.
Dear sorry didn't see the message that made you wait so long.
It can be paid for five years later.
If you count it by month, you can accumulate it for 5 years.
Yes. Ask when you will register for the Registered Fire Engineer II exam.
At present, only one province in Gansu has issued a notice on the opening of the second-level fire engineer examination, and the registration time is from August 5 to August 12, 2022, which has been postponed.
The registration time for the second-level fire engineer is around September of each change year, and the arrangement of the examination time is susceptible to many influences, such as the epidemic, the change of the examination policy and the content of the examination, which will affect the registration time and examination time of the second-level fire protection engineer for the training of hail destroyers, so the details still depend on the official notice.
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Non-ferrous metals: Non-ferrous metals in the narrow sense, also known as non-ferrous metals, are a general term for all metals except iron, manganese, and chromium. Non-ferrous metals in a broad sense also include non-ferrous alloys.
Non-ferrous alloy is an alloy composed of a non-ferrous metal as a matrix (usually greater than 50%) and the addition of one or several other elements.
Non-ferrous metals generally refer to all metals except iron (and sometimes manganese and chromium) and iron-based alloys. Non-ferrous metals can be divided into heavy metals (such as copper, lead, zinc), light metals (such as aluminum, magnesium), *** (such as gold, silver, platinum) and rare metals (such as tungsten, molybdenum, germanium, lithium, lanthanum, uranium).
Non-ferrous metal smelting is to carry out deep processing of non-ferrous metals and turn them into other prudent synthesis.
Coal is energy, power, not metal.
Non-ferrous metallurgy is mainly copper, aluminum, rare metal and other smelters and research and design units; Iron and steel metallurgy, as the name suggests, is a steel plant. At present, most of the students of non-ferrous metallurgy have changed careers, and the employment rate of iron and steel metallurgy is relatively high due to the scale of 800 million tons of steel in China, more than 4,000 large and small iron and steel plants and nearly 100 scientific research and design units. If you go back to your hometown Yunnan to work, because Yunnan is a weak area of China's iron and steel, in addition to Kunshan Iron and Steel, other steel plants are very small, most of them are private, and non-ferrous metallurgy is relatively developed, and there are electroplating enterprises that can be employed nearby, etc., and it is not impossible to study non-ferrous metallurgy. >>>More
Metallurgy is the process and process of extracting metals or metal compounds from ores and using various processing methods to make metals into metal materials with certain properties. Metallurgical technology mainly includes pyrometallurgy, hydrometallurgy and electrometallurgy, and metallurgy has a long history of development in China, from the Stone Age to the subsequent Bronze Age, and then to the large-scale development of modern iron and steel smelting. The history of human development is integrated with the development of metallurgy. >>>More
Recommended book: "Non-ferrous Metal Metallurgical Technology" combines production practice and scientific research at home and abroad, systematically introduces the basic knowledge and smelting process of important non-ferrous metals such as copper, lead, magnesium, aluminum, gold, silver and titanium, and focuses on the advanced production lines at home and abroad. At the same time, in order to improve the ability of technical personnel to deal with actual production problems, "Non-ferrous Metallurgical Technology" also makes a highly targeted introduction to the metallurgical practice of non-ferrous metals.
It usually refers to the bacterial oxidation or biological oxidation of the ore, which is carried out by microorganisms existing in nature, which are called temperature-appropriate bacteria, which are about 0 5 2 0 microns long and 0 5 microns wide, which can only be seen under the microscope, survive by inorganic matter, and are harmless to life. These bacteria feed on pyrite, arsenic, pyrite and other metal sulphides such as chalcopyrite and copper-uranium mica, and thermosophiles and other bacteria often live in acidic environments resulting from sulfur fixation and oxidation, such as hot springs, volcanic areas and sulfur-rich areas. Temperature-appropriate bacteria, cultured by an Australian company, were first discovered in a mine in Western Australia and have a good accumulation effect on soluble metals at high temperatures in an acidic environment containing sulfur. >>>More
1. Welder is a better type of technical work.
2. Nowadays, young people rarely learn electric welding, and welding is hard work and tiring work in the impression of ordinary people, but in fact, this understanding is one-sided. Modern welders need a lot of theoretical knowledge and rich practical experience, and people with certain knowledge are easy to become good welders. >>>More