High Quality Aluminum Oxide Manufacturers Iran

The new anode of the production tank must be replaced with a new anode for 16 hours, and the current capacity must be measured, and the anode height setting must be checked for adjustment(high quality aluminum oxide manufacturers iran). Return the tool to the original position, place the tank cover in the original place, and reset the exhaust air volume conversion valve(white fused alumina make company). If it exceeds the qualified range, it should be adjusted according to the situation.

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After connecting the wire to the positive pole of the voltmeter and the terminal of 5OmV, place it in the center of the furnace surface(aluminum oxide grit mesh size f16). Operate the exhaust air volume conversion valve (increase the air volume of the electrolytic cell). Therefore, insert the positive electrode measuring rod on the anode explosive welding piece, and place the negative electrode measuring rod at the bottom of the idle electrode(high quality aluminum oxide manufacturers iran). 

Circumstances where the measurement must be terminated include(white fused aluminum oxide refractory), when measuring the pole effect of planting, when the voltage to ground is abnormal, when the current is reduced, when the aluminum is tapped, when the idle pole is replaced, and when the bus is lifted(brown fused alumina for abrasive). Place the spirit level on the measuring porch, insert the head into the furnace bottom, keep the spirit level level, and let it stand for 5 seconds(high quality aluminum oxide manufacturers iran).

Submit the measurement records to the relevant personnel and enter them into the computer system according to the regulations(high quality aluminum oxide manufacturers iran). During the electrolysis firing, the omnipolar current distribution must be measured every day to check the anode conductivity(aluminum oxide polish). Once the production tank has abnormal tank conditions (voltage pin vibration) or anode lesions, the first item to be checked is the anode current distribution.

Take out the measuring needle and place it on a relatively flat ground (or planting edge board), and use a spirit level to keep it level. state(aluminium oxide grit blasting vendor). Generally, the measurement data is processed, and the average value of all anode measurement values in the whole cell is calculated(46 grit aluminum oxide blast media). Take an interval at both ends of the average value as the qualified range(high quality aluminum oxide manufacturers iran). If the measured value is below 20mV, check the time to exchange the pole.

Take a 160kA electrolytic cell in a factory as an example, each cell has 24 anodes, the area of the guide rod is 130×1.30mm(high quality aluminum oxide manufacturers iran). The distance between the two measuring rods is 4cm, and the lead wire is 5m. Add the voltage of each contact The average voltage of the measured distance is about 7mV, and 6-8nV is taken as the qualified interval(brown aluminum oxide 120 grit blast media). For a new anode replacement for 16 hours, the current distribution should be 4~mV.

The main purpose of measuring anode voltage drop is to provide information for technological improvement, so it is only measured when needed(white corundum powder). Confirm the situation of the measurement, prepare and check the measurement tools (voltmeter, equidistant pressure drop measuring rod, wire, broom, aluminum target, carbon slag arc, multi-function crane, recording paper)(high quality aluminum oxide manufacturers iran); preheat tools that require preheating. 

When the voltmeter is stable, the reading will be recorded in the unit of 5mV(silicon carbide grinding). When the measuring cell has an effect, or when the voltage to ground is abnormal, or when the current drops, or when aluminum is discharged, or when the cell voltage is abnormal, the measurement is suspended(aluminum oxide polishing powder). generally start from the zero position of the voltmeter, read and record with the unit of Q.lmV (record clearly according to the pole number)(high quality aluminum oxide manufacturers iran).

It can be used again later(white grain aluminum oxide a 220). Connect the positive and negative pole measuring rods to the positive and negative poles of the voltmeter with wires. Calculate the total value and average value of the measured anode voltage drop of all anodes. Measure all anodes at sides a and B(brown fused alumina bfa grade a manufaturer). The negative electrode measuring rod must be replaced after 2 times of use, and then completely cooled(high quality aluminum oxide manufacturers iran). The visual reference is shown in the figure.

After the measurement, return the tool to the designated position, block the measurement hole with a crusted block, clean the edge plate, cover the groove plate, and operate the exhaust air volume conversion valve to reset(increase the extraction air volume of the electrolytic cell)(aluminium oxide abrasive powder). The measurement of anode voltage drop must be performed at the same time as the measurement of anode current distribution(high quality aluminum oxide manufacturers iran).

The measured value of anode current density distribution of each anode (i.e. equidistant voltage drop) is used as the weighting coefficient, and the weighted average value of anode voltage drop of Electrolytic detection is calculated as the anode voltage drop of the tested cell(aluminum oxide powder). The target value of alumina height is generally 16cm(high quality aluminum oxide manufacturers iran). For example, if 4 parts are buried, the height will be 445cm-l8cm, and so on. 

Taking 24 anodes in the whole cell as an example, the anode pressure drop is(white aluminum oxide dental): the height of insulating material on the anode has a significant impact on the heat balance, energy consumption and even the shape of the cell face, so it needs to be measured more often(aluminium oxide material for blasting). The measurement method is generally visual(high quality aluminum oxide manufacturers iran). During visual inspection, open the slot to observe the center O of a and bury the height of the steel claw (and beam).

Operate the exhaust air volume change-over valve(white aluminum oxide lapping compound), remove the cover plate at the measuring position, remove the lead oxide at the measuring position with an aluminum handle, open a hole with a diameter of about 20cm between each pair of material poles at the measuring position with a multifunctional crown block striking head(white aluminum oxide non-skid grit), and salvage the carbon residue with a carbon fishing department(high quality aluminum oxide manufacturers iran).

Open the groove cover plate at three places on both sides of a and B (the position is the cover plate corresponding to the full length V4, 1 / 2 and 34 of the large surface)(brown fused aluminum oxide sandblasting abrasive). For the super large groove with a large number of anodes (such as 40), open the groove cover plate at five places on both sides of a and B (the position is the cover plate corresponding to the full length 1w6, 1 / B, 1 / 2, 2 / 3 and 6 of the large surface)(high quality aluminum oxide manufacturers iran).

Visually check the alumina height at all steel claws of the whole tank and record it(high quality aluminum oxide manufacturers iran). Number of visual inspection points of the whole tank = number of anodes of the whole tank x number of steel claws of each anode(80 grit aluminum oxide for cerakote). Make the positive end of the measuring rod face the upper part of the aluminum guide rod, and then make the positive and negative ends fully contact with the aluminum guide rod.

Open the cover plate in the center of the large surface on both sides of a and B(white aluminum oxide crystals), visually measure and record the alumina height of 4 anode steel claws in the center of each side (for example, for the electrolytic cell with 12 anodes on each side, open the cover of No. 6 ~ 7 anode cell and measure No. 5, 6, 7 and 8 anode carbon blocks)(aluminium oxide polishing compound). Operate the exhaust change-over valve (increase the extraction air volume)(high quality aluminum oxide manufacturers iran).

Since the height from the surface of anode carbon block to the surface of steel beam is certain (e.g. 31.5cm). Divide the height into 7 parts, 45cm each(high quality aluminum oxide manufacturers iran). Operate the exhaust change-over valve. Calculate the total alumina height of each measuring point: calculate the (average) alumina height from the following formula(aluminum oxide 80-90 grit): oxidation junction height = (the total alumina height of each measuring point) 4.5/daily measuring points.