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Bulk Buy Brown Fused Alumina For Abrasive USA

Generally, small blast furnace has one tap hole and two to three tapholes(silicon carbide abrasive), while large and medium blast furnace has two to four tapholes and one to three tapholes. Due to the large scale of commercial furnaces and frequent tapping times, the tapping capacity of each tap sometimes reaches about 3000 tons(aluminum oxide grit), easy to open, high strength, so the total working conditions are harsh.

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Similar mud is used to plug the slag outlet(pink aluminum oxide). Blast furnace gun mud shall have enough high fire resistance, and shall have the following properties: good plasticity and cohesiveness, easy to squeeze in and fill in the voids and cracks; suitable porosity, easy to discharge water when drying(synthetic corundum); small volume shrinkage at high temperature to avoid cracks; good sintering performance, erosion resistance and corrosion resistance.

The blast mud used in the tap hole of medium and small blast furnaces is mainly made of clay clinker particles(green silicon carbide), coke powder and asphalt; while the blast mud used in large and medium blast furnaces is generally made of high alumina materials, and additional materials such as silicon carbide and carbon particles are added to stabilize the tap hole depth(emery abrasive). The two kinds of gun mud have been used satisfactorily.

Generally, the binder is asphalt or resin(brown fused alumina). The former has no pollution and high price, CAC type is composed of high-density coke, carbonation and adhesion, with good erosion resistance; good sintering performance at low temperature, while the latter has some pollution but low price and is widely used(carborundum grit suppliers); to ensure that molten iron and slag can flow out at an average speed, high oxidation resistance and rapid sintering.

No.1, No.2 blast furnaces and No.4 blast furnaces of Nippon Steel Corporation, Japan, adopt resin type combined blast mud(brown aluminum oxide), with 11-14 times of tapping per day and 355-385 tons and 235-255 tons of tapping each time; No.1, No.4 blast furnaces of Huyan plant and No.3 and No.4 blast furnaces of junjin plant adopt coke oil combined blast mud(black silicon carbide), carbon and adhesion, with 595-655 tons and 660-885 tons of tapping each time.

CA type is composed of mullite, carbonated building(brown aluminium oxide), which is characterized by high alumina content, low tar consumption, high strength, good mushroom resistance and erosion resistance; On the basis of C3c type, C3F type system is added with special flux to improve the sintering performance; c3r type system is composed of wax, silicon carbide and chitin(aluminum oxide sandblasting), characterized by fast drying, high strength and corrosion resistance.

The four kinds of gun clay are all made of asphalt as binder(white alumina). They are mixed and milled in advance, packed in plastic bags, each bag is 7kg, and stored in a heat preservation warehouse at 20-45 ℃, which is convenient for use. The first three brands of canni are suitable for large blast furnaces with a height of more than 2500 meters(aluminum oxide abrasive), and the second one is suitable for blast furnaces with a height of less than 2500 meters.

Kawasaki furnace building materials Co., Ltd. produces four kinds of gun mud for blast furnace(black aluminum oxide): The blast furnace with a blast furnace of more than 4000 meters can produce 700-1000 tons of iron each time, so it is required that the blast mud has good corrosiveness(aluminium oxide grit blasting vendor). When the grade of iron ore is high, the amount of slag will be reduced correspondingly, and the outlet of large blast furnace may not be set separately. 

white aluminium oxide
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Brown Fused Alumina And White Fused Alumina MOQ: 1 Ton! 19 Years Manufacturing Experience, 35,000m² Workshop Area, Factory Price, Free Samples, Fast Delivery!