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High Quality Abrasive Blast Media Suppliers Indonesia

In the past, small and medium capacity electrolytic combs usually used frame type vertebral shell structure, that is, the reinforcement structure outside the steel shell is a frame made of section steel(high quality abrasive blast media suppliers indonesia). The disadvantage of this kind of tank shell is that it uses a large amount of steel and has a large degree of deformation, which can not well meet the strength requirements(aluminum oxide blast media canada). 


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The large pre culture comb adopts a very rigid swing cover tank shell(vietnam aluminum oxide), the so-called cradle structure, I-beam is welded into several groups of "mouth" beam frames, that is, swing basket frames, which tightly clamp the groove body. Therefore, the tank shell must have great stiffness and strength(sandblasting abrasive). Part drawing of ship shaped groove shell of large swing basket(high quality abrasive blast media suppliers indonesia).


For example(white fused alumina suppliers), the lattice shell of sy350 30ka pre culture tank designed by Shenyang Aluminum Magnesium Design and Research Institute is designed as(high quality abrasive blast media suppliers indonesia): large cradle structure (the cradle is full-length to the groove edge plate, and large cradle spacing is adopted). The two outermost groups are welded into a whole with the tank body, and the rest are connected with the second layer coaming of the fine shell with bolts(green silicon carbide).


After the basic type of lining is determined, the specific structure will be designed according to the principle of optimal physical field distribution(brown fused alumina suppliers). It is not only a container containing the masonry of neicun, but also plays a role in supporting the weight of electrolytic comb and overcoming the deformation of the shell caused by thermal stress and chemical stress of lining material at high temperature(high quality abrasive blast media suppliers indonesia). 


Modern large-scale pre culture tank shell design uses advanced mathematical model and computer software to analyze and deal with the stress(80 grit aluminum oxide blasting media), strength, stress concentration point and local deformation of the vertebral shell, so as to reduce the deformation of the lattice shell, and strengthen the heat dissipation at the side of the tank shell to facilitate the formation of the inspection cavity(high quality abrasive blast media suppliers indonesia). 


In the world(brown aluminum oxide sandblasting), not only the overall dimensions of the refined shell should be repaired, but also the structure of the shell should be updated regularly(high quality abrasive blast media suppliers indonesia). The scrapping system should be implemented for the shell with end deformation and steel water-induced deformation, and the whole tank shell should be updated. And neicun is the most concerned part in the design and construction of electrolytic cell(wholesale brown fused alumina). Some people think.


Compared with the triangular type, the internal angle ship structure has better stress on the groove shell, and can more effectively reduce the stress concentration at the bottom of both sides of the groove(aluminum oxide blast media 60 grit). The improvement of service life requirements is reflected in the overhaul of electrolytic vertebral body, which is the improvement of repair requirements for shell deformation(high quality abrasive blast media suppliers indonesia). The bowl-building technique is widely used(brown corundum).


The basic structure of the wrong electrolytic cell lining can be divided into "overall tamping type", "semi overall tamping type" and "masonry type"(high quality abrasive blast media suppliers indonesia): overall tamping type: all carbon bodies of the internal material are tamped locally with plastic carbon paste, and the lower part is alumina used as thermal insulation and refractory material, or refractory brick and thermal insulation brick(aluminium oxide grit suppliers). 


However(garnet abrasive suppliers), once the large scheme of cathode structure design is determined (for example, select the "masonry type of uncovering and pasting joints"), according to the different treatment methods of the gaps between the bottom block and its periphery, the masonry type is divided into "fixing and pasting joints" and "bonding", whether it is small or large(white aluminium oxide powder), the basic structure of the lining can be similar(high quality abrasive blast media suppliers indonesia). 


The former type is to leave gaps between the bottom block and its side block during masonry, and then change the park with separated materials(how to choose white fused alumina), The latter type does not leave gaps, and the blocks are bonded with carbon glue paste(high quality abrasive blast media suppliers indonesia). In addition, a large amount of tar fumes and polycyclic aromatic hydrocarbons are discharged during electrolysis and burnt, which pollutes the environment, so they have been eliminated(aluminum oxide sand). 


Furthermore(white aluminum oxide abrasive 220 grit), this indicates that the energy required to overcome the gravitational force between the particles is not as large as the liquid state becomes a gas state, that is, the binding force between the particles does not change much when the solid state becomes a liquid state(high quality abrasive blast media suppliers indonesia). The difference is often reflected in the specific structural parameters (especially large-scale hard culture cells)(aluminum oxide sandblasting sand). 


Therefore(sandblasting sand), if the design is unreasonable or the thermal abdominal expansion and sodium absorption expansion of the block are too large, it is easy to cause serious cathode deformation or cracking(high quality abrasive blast media suppliers indonesia). Therefore, the cathode design and the cell bus bar structure design are regarded as the most important and critical design content in the computer simulation design of modern aluminum reduction cells(china aluminum oxide sandblasting).


The three-layer coaming at the end of the tank and the vertical ribs are added(aluminum oxide suppliers usa). The large surface adopts a boat-shaped structure to reduce the stress concentration at the vertical right angle. A heat sink is welded on the shell to increase the heat dissipation area, and the cradle frame is separated from the regular body, so that the basket frame can work below 300°C(or on the refractory brick)(high quality abrasive blast media suppliers indonesia).


Masonry type(aluminum oxide blast media): the difference in the structural parameters is often caused by the difference in the design concept, now the bottom is built with carbon blocks, the sides are built with blocks made of carbon blocks or silicon carbide, and the lower part is made of refractory phosphorus and thermal insulation bricks and other refractory(white aluminum oxide blast media), thermal insulation and impermeable materials(high quality abrasive blast media suppliers indonesia). 


Because there is no carbon in the cracks during the sintering start-up process of the electrolytic cell to increase the buffer for the film expansion of the carbon block (tamping may shrink during the carbonization process)(high quality abrasive blast media suppliers indonesia). The above-mentioned integral solid-carrying type and semi-solid-removing solid type have been proved by industry practice to have poor chair life(aluminum oxide wholesale). 


Dry two layers of 65mm thermal insulation bricks (total thickness 130mm) on the thermal insulation board(black silicon carbide), or dry three layers of 6mm thermal insulation bricks to strengthen thermal insulation (a design plan is to spread a layer of 5mm thick fire powder on the thermal insulation board, Used to protect the thermal insulation board(china brown fused alumina manufacturers), and then dry-lay thermal insulation bricks on it)(high quality abrasive blast media suppliers indonesia).


For the electrolytic gun of the same precision and capacity(aluminium oxide suppliers south africa), physical field optimization design tools and the performance of the cotton material, and then two layers of 66mm refractory bricks with mortar are used: install the full-length cathode carbon with the assembled cathode steel rod on the dry-type auxiliary material Block group(aluminum oxide abrasive suppliers), the wrong layer of 1mm thick steel plate is used to prevent leakage(high quality abrasive blast media suppliers indonesia).


Lay a layer of dry impermeable material with a thickness of 130~195mm (the specific thickness depends on the number of layers of insulation bricks(aluminium oxide blasting media), that is, two layers of insulation bricks correspond to a thickness of 195mm, and three layers of insulation bricks correspond to a thickness of 130mm), or on three layers of insulation bricks After leveling with refractory powder(high quality abrasive blast media suppliers indonesia).


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