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Brown Fused Alumina BFA Grade A Manufaturer Oman

The clamp head can always hook the upper edge of the guide rod hole to prevent the positioning error caused by the relative movement of the hook in the guide rod when the anode falling is blocked(brown fused alumina bfa grade a manufaturer oman), so as to ensure that its bottom palm is in the same plane with the bottom palm of other anodes when reaching the normal conductivity value.

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Considering the hysteresis of the new electrode conductivity, the installation of the new electrode cannot be flush with the bottom surface of the residual electrode, and the consumption for 1 day (non corner electrode) or 2 days (corner electrode) shall be increased than the residual electrode, i.e. 15mm or 30mm(glass bead abrasive). When the residual electrode is lifted at a point, some large crust blocks will fall into the tank(brown fused alumina bfa grade a manufaturer oman). 

When using this method, in order to ensure the installation accuracy, the pole should be positioned during the gradual rise of the clamp head(garnet abrasive price). The basic method is to measure the insulation of each fastening screw with a megger(brown fused alumina bfa grade a manufaturer oman). The first step for the operator is to change the pole and open the furnace surface once a day, which is a good opportunity to check the situation in the tank. Pour into the slag box.

Press the pole change notification key on the grid controller corresponding to the plant 5 minutes before the pole change operation, and first send out the pole change operation information(100 grit aluminum oxide). If the anode change is not notified after the specified time (e.g. 40 minutes), the operation log and sleeve controller will automatically cancel the notification(brown fused alumina bfa grade a manufaturer oman). In this way, inform the slot controller of pole change. 

If necessary(46 grit aluminum oxide), the bow clamp of the pole soft connection can be forced or precisely loosened by air blowing through the air duct (if no soft coupling is used(brown fused alumina bfa grade a manufaturer oman), Adjust the tightness of the fixture to reduce the current passing through the pole(black silicon carbide). Therefore, if the specified time is exceeded from the notification time to the actual anode exchange time, the anode replacement shall be notified again.

Practice shows that the fastening screw shall be put back in a loose state, the short circuit piece shall be pried off with a wooden pass or long iron bar, the insulating plate shall be inserted, and attention shall be paid to its position(alumina abrasive). Fasten the medium rod with a pneumatic wrench. The iron gasket shall be placed in the right position to make the insulating plate tightly clamped and not easy to loosen and slide out(brown fused alumina bfa grade a manufaturer oman).

Pay attention to the tightening process(180 grit aluminum oxide). If it does not meet the requirements, the cause must be found out and dealt with(brown fused alumina bfa grade a manufaturer oman). Install the style plate on side B according to the original position, check and confirm that the splitter plate is not in contact with the shell and style plate, and the two splitter plates are not in contact with each other(green silicon carbide). If there is a problem with the adjacent poles, deal with it immediately. 

The contents of residual electrode inspection records are as follows(white aluminum oxide grit): whether the residual electrode is cracked, whether the residual electrode falls off blocks and corners, whether the steel claw is melted, whether the residual electrode passes through the bottom, and whether the residual electrode is long wrapped(brown fused alumina bfa grade a manufaturer oman). Also use a big hook to check the left and right adjacent poles for cracks, claws, long wraps, and missing corners.

Take this opportunity to check the molten aluminum(30 grit aluminum oxide), electrolyte height (measured with a right angle needle), furnace bottom precipitation, working state of adjacent poles and carbon measurement in the tank. Before the residual pole is shipped out, check whether it is abnormal(120 grit aluminum oxide blasting media). When the anode current distribution is too large or the anode steel bearing is red, grasp the materials on the anode to expose the steel claw(brown fused alumina bfa grade a manufaturer oman). 

See the space height calibration of the residual electrode on the cell for details(brown fused alumina bfa grade a manufaturer oman). The electrolytic worker uses large hooks, multi tooth handles and other tools to clean the crusts in the electrolytic ellipse and clean the crusts stuck on the adjacent electrode and the middle seam(pink aluminum oxide). To ensure that the splitter blades do not contact each other, the length of each splitter blade in the same splitter is different. 

Count calcium chloride evenly on the artificial lifting slope (some companies sprinkle calcium chloride, magnesium chloride(brown fused alumina grit), cryolite mixture, and direct PTM to pull out the residual products to the operation surface of the electrolysis workshop (do not hit the upper phase shell plate of the vertebrae) And the column bus)(aluminium oxide blasting), visually inspect the residue of the PTM when it is lifted and pulled out(brown fused alumina bfa grade a manufaturer oman).

Lower the small box clamp and rotate the wrench to reach the base of the clamp(150 grit aluminum oxide), slowly lower the material electrode, use the anode positioning method to put the new pole in place (see the space height calibration of the residual pole on the machine for details), and tighten the small box clamp(brown fused alumina bfa grade a manufaturer oman). After the anode slips off the new anode upper tank, it will fall, and it must be lifted back to the aluminum guide rod.

After the new pole is installed, it is covered with a certain thickness (140~180mm) of alumina(black aluminum oxide). One is to prevent positive oxidation, the other is to strengthen the insulation of the upper part of the electrolytic cell, and the third is to quickly increase the temperature of the copper-carbon contact to reduce the contact voltage drop(220 grit aluminum oxide blast media). The electrolyte level is low(brown fused alumina bfa grade a manufaturer oman). This opportunity should be created to replenish the ice stone.

If there is a lot of slag, you should take it out(brown fused alumina bfa grade a manufaturer oman). You can use the PTM's own mechanical grab to build blocks, or manually use carbon consumption to remove the carbon slag and remove the slag(alumina grit). The crust block (grain size below 50mm) that is picked up to the edge of the groove is manually covered at the edge of the edge, and the material is shoveled to the new pole, and it is reshaped to keep the natural slope.

and make a record, find that the furnace bottom has a lot of precipitation, the feeding interval and the tank voltage can be adjusted appropriately(high purity fused aluminum oxide). Clean the dust on the crimping surface of the circular pole guide rod and the beam bus bar(corundum sand). Hang the new anode on the electrolytic cell where the electrode is changed, and put the aluminum guide rod against the bus bar of the material maximum and lightly touch it(brown fused alumina bfa grade a manufaturer oman).

Replace the falling pole with a high residual pole(white fused alumina). If the voltage drop on the equidistant guide rod after 16 hours of the new pole is 50~80% of the normal, and the corner is 30~50%, it is deemed that the installation is qualified, otherwise it needs to be adjusted(brown fused alumina bfa grade a manufaturer oman). When installing the pole, you can only use the big hook to touch the aluminum pole and the bottom palm of the anode to roughly determine the installation position.

Affect the normal operation of the electrolyzer, check and replace the anode periodic table, make sure to install a high residual electrode or a new anode(60 grit aluminum oxide), use a new anode for the dropped electrode within 10 days or more than 24 days, and use a new anode for more than 10 days or within 24 days(brown fused alumina bfa grade a manufaturer oman). The falling-off pole cannot be positioned by the anode positioning method used in normal pole change(fused aluminium oxide). 

This crust block will affect the installation accuracy of the new electrode (the large crust block covers the anode and cannot be installed in place), and then forms a furnace bottom deposit under the new electrode, Anode long bag(steel shot abrasive): When the anode is long bag, the operator should let the crane operator know: After the long bag is cleaned, the material electrode will be set(brown fused alumina bfa grade a manufaturer oman). The position of the underline.

white aluminium oxide
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