The anode and cathode gaskets of the Beihua Machinery electrolyzer were pushed out shortly after power was applied

It might be caused by the gasket not being attached properly or driving before it dried.

Are the new gaskets you replaced from the same manufacturer as the original ones? Perhaps the temperature has not reached the required level, so the gasket has not expanded enough ； Is the oil pressure set correctly?

There are several reasons: new gaskets, make sure the temperature of the electrolyzer is not too high, and the current should not be applied too quickly over a long period of time. For electrolyzers with new gaskets, it is necessary to re-secure them daily. Another factor is the ductility of the gasket itself; its structure and material selection are very important. The way these gaskets are used is roughly the same across different brands, but there are differences in the details of their use. In short, just pay attention to the above 2 points. This post was last edited by limingshuguang on 2009-2-8 at 21:33.]

Are the gasket shims you use in line with the Beihua Machinery standards? When starting up an electrolyzer with a newly installed membrane, it is essential to do so gradually; it is best to maintain a current level of 7–8 KA for 2–3 hours before increasing the current, and this increase should not be too rapid. Secondly, it is important to ensure that the gasket matches the specifications of the groove frame exactly; human error cannot be ruled out, such as carelessness when applying the gasket. This post was last edited by limingshuguang on 2009-2-8 21:34]

Is there a problem with the glue ratio of the gasket you’re using?

Once, during a trial run, the current had risen, but when the temperature reached 82–3 degrees, the operator was not vigilant, which resulted in the gaskets being damaged. . . . . . During the first run, the temperature must be kept under control

After replacing the new gasket, it should remain stable at a slot temperature of 80 degrees for more than 8 hours; thereafter, the current should be increased gradually, with the temperature rise ideally not exceeding 1 degree per hour. The issue described by the original poster is likely caused by too rapid a temperature rise, with other possibilities being quite unlikely

Pay attention to the membrane replacement method: What should be considered when replacing unit cells and ion membranes? (Beihua Machinery data) During operation, it is necessary to reduce the sealing compression force of the electrolyzer to 1 MPa. The first 3–5 unit cells must be fixed together using connecting plates to increase their rigidity. Afterwards, cell removal chains should be used, with all 4 chains tightened. If the pressure is not reduced, the chain will be subjected to tens of tons of pulling force when using the hydraulic device to open the unit slot. First, a link in the chain may break; secondly, the four stress points on the chain will cause severe deformation and structural damage to the slots that have been pulled apart, leading to leaks. Additionally, the ion membrane will be damaged by the bulging electrode mesh, resulting in repeated damage to the ion membrane in the same area, requiring its replacement over and over again. Additionally, when tightening the chains, the upper and lower chains on the side of the movable bracket of the unit slot should be tightened slightly more than those on the other side. This way, when the unit slot is pulled apart, the positioning steps of the fixed bracket and the side rod guide rails will guide the unit slot to slide in a controlled manner, preventing the unit slot from shifting laterally toward the fixed bracket during pulling – an action that could lead to repeated compression and misalignment of the seals of adjacent unit slots, thereby creating potential hazards.

Does the poster mean replacing the gasket of a certain slot unit? If so, I think you should still drive in your usual manner after replacing the gasket! Whether starting up with new gaskets or after replacing the gaskets in a certain cell, the tank temperature should not be too high; special attention must be paid especially after replacing the gaskets in a particular cell! Since the new gaskets have not had sufficient time to expand while the other gaskets have already expanded and taken their final shape, they are subjected to greater forces when the temperature is high. Under such conditions, even if the gaskets are well attached, they can still be easily pushed out! The specific operations shall be carried out in accordance with the startup procedures for installing new gaskets in the entire tank! !