Factory Directly 85% also3 1-3mm Calcined Bauxite with Low Price

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Tianjin
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10 m.t.
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6000 m.t./month

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Product Description:

Calcined Bauxite for aluminate cement

1.Introduction

Calcined bauxite is one of the principal ore of aluminum. Calcined bauxite contains hydrous aluminum oxides and aluminum hydroxides, formed through the laterization of aluminous rocks in tropical and subtropical areas .Calcined bauxite is obtained by calcining (heating)superior grade bauxite at high temperature (from 85OC to 1600C) .This removes moisture there.By increasing the alumina content,compared to an alumina content of about 57%to 58% in raw bauxite, calcined bauxite has an alumina content of 84%to88%.The heating is carried out in rotary kilns. 

2.Grade

gradeAl2O3 contentFe2O3 contentTiO2 contentK2O+Na2O contentCaO+MgO contentbulk density
7575%min ≤ 3.0% 4.0% 0.3% 0.5% 2.70
8080%min 3.0% 4.0% 0.3% 0.5% 2.80
8585%min 2.0% 4.0% 0.3% 0.5% 3.00
8686%min 2.0% 4.0% 0.3% 0.5% 3.10
8787%min 2.0% 4.0% 0.3% 0.5% 3.20
8888%min 1.8% 4.0% 0.25% 0.5% 3.25
9090%min 1.8% 4.0% 0.25% 0.5% 3.30

3.Application

mainly used in  aluminium metallurgy,aiso used in  abrasive ,cement ,chemical,  refractory

Factory Directly 85% also3 1-3mm Calcined Bauxite with Low Price

Factory Directly 85% also3 1-3mm Calcined Bauxite with Low Price

Factory Directly 85% also3 1-3mm Calcined Bauxite with Low Price

Factory Directly 85% also3 1-3mm Calcined Bauxite with Low Price

Factory Directly 85% also3 1-3mm Calcined Bauxite with Low Price

Factory Directly 85% also3 1-3mm Calcined Bauxite with Low Price

Factory Directly 85% also3 1-3mm Calcined Bauxite with Low Price

Factory Directly 85% also3 1-3mm Calcined Bauxite with Low Price

Factory Directly 85% also3 1-3mm Calcined Bauxite with Low Price

Factory Directly 85% also3 1-3mm Calcined Bauxite with Low Price

Factory Directly 85% also3 1-3mm Calcined Bauxite with Low Price

Factory Directly 85% also3 1-3mm Calcined Bauxite with Low Price


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Q:Why does casting coke require phosphorus?
Foundry coke is used in cupola melting iron will fuel. Because the blast furnace cupola and metallurgical industry is different, only melting effect, without reduction reaction, the furnace is not so dephosphorization, the phosphorus in coke, some will come back to this in the metallurgical molten iron, called "Rephosphorized", this is decided by the principle of thermodynamics and kinetics. To make the original low phosphorus iron phosphorus increased harmful phosphorus. Therefore, the general foundry to buy Coke require low phosphorus coke. Some foundry with part of lime and dolomite in dephosphorization of iron in cupola, in the process, can relax the requirements for coke. However, this is suitable for large-scale, continuous production of iron.
Q:It was concluded that the following two facts: coke can not be used to restore aluminum ore, but can be used to restore copper and iron ore
K, Ca, Na, C, Mg, Al is not able to use C, CO, H2 and so on to restore the preparation of metal, because these metals are very active, can be used to restore copper and iron ore, indicating that the reduction of strong;
Q:What is the essential difference between coal and coke?
(1) power coal(2) coking coal (bituminous coal)(3) coal used in coal chemical industry, which mainly includes gasification coal, coal for low temperature carbonization, hydrogenation of liquefied coal and so on.
Q:What chemical plant used to coke
In order to achieve better technical and economic indexes of blast furnace operation, the coke (metallurgical coke) must have proper chemical and physical properties. In addition to a large number of coke used in iron smelting and non-ferrous metal smelting (metallurgical coke), but also for casting, chemical, calcium carbide and iron alloy, the quality requirements are different. Such as foundry coke, generally require large size, low porosity, high fixed carbon and low sulfur; chemical gasification, strict requirements for strength, but requires good response, high ash melting point; calcium carbide and coke production requirements to improve the fixed carbon content.
Q:Braised meat burning coke, iron black layer, I do not know how to clean, please help answer
Shanlihong to paste potIf the bottom of the pot cooking, cooking paste, can put a few shanlihong put the pot, add a little cold water boil (not dry), paste pot bottom will soon get rid of.
Q:Why use coke instead of carbon in blast furnace ironmaking
The reaction of the blast furnace ironmaking is the reduction reaction: the coke produces CO in the furnace, the CO reduces the iron oxide, and the part of CO burns, and the whole process will release a lot of heatCheck information, combined with the knowledge of the professional knowledge, for reference purposes only!
Q:Coke belongs to the coal industry
Classification and code (2002 Edition) code 25 petroleum processing, coking and nuclear fuel processing industry classification and code (2002 Edition) A agriculture, forest, animal husbandry and fishery 23 printing and record medium reproduction 4900 building decoration 01 24 agricultural stationery and sporting goods manufacturing 50 other building 02 forestry 25 oil processing and coking and nuclear fuel processing F transportation
Q:Coke and coal is one thing
How coal is formedCoal has been hailed as the black gold, the food industry, it is one of the main sources of energy used in the human world since eighteenth Century. Although its important position has been replaced by oil, but in the future for a long period of time, due to the exhaustion of petroleum, inevitable decline, but because of the huge reserves of coal, coupled with the rapid development of science and technology, the new technology of coal gasification is becoming more mature and widely used, coal will become one of the human production life cannot substitute energy.
Q:How much coal can a kilogram of coal weigh?
This made the better quality of coke and coking coal can be saved!. if it is reality, and generally not numerical said a meal how much coke coking coal, coking coal is mixed because the values of various uncertain coal
Q:Sulphur content of coal and coke,
The sulfur content of coking coal basically all into the coke, only a small number into the gas but the number is very limited. How much coal is the amount of sulfur in the general coal is the sulfur. It should be said that coke is basically a little lower and a little bit limited.In the process of coking volatile will be a lot of consumption, ash will increase 2-3%.

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