Talking about the use and maintenance of lead battery

Lead-acid batteries play a crucial role in the electrical systems of agricultural vehicles and tractors. Their lifespan is closely tied to proper usage and maintenance. Neglecting these aspects can lead to premature failure, making it essential to follow correct procedures for battery care. In addition, unexpected damage may occur during operation. Prompt temporary fixes and timely repairs are vital to avoid delays in farming activities and minimize financial losses. Proper Use and Maintenance of Lead-Acid Batteries 1. Correctly install the ground poles. Most modern agricultural vehicles use a negative ground system with silicon-rectifying generators, while older models with DC generators typically use a positive ground. Reversing the polarity can cause serious damage, such as burning out diodes or damaging regulator contacts. The positive terminal is usually marked with a “+” sign, and the negative with a “-”. If no markings are present, you can identify them by size, color, or by testing in an acid solution—bubbles indicate the negative pole. 2. Avoid over-discharging the battery. When using the starter motor, each attempt should not exceed 5 seconds. If the engine does not start on the first try, wait 2–3 minutes before trying again. Do not attempt more than three starts consecutively without checking the issue. 3. During winter, preheat the engine coolant and oil to reduce the load on the battery during starting. Also, avoid forcing the clamps if they are tight, as this could loosen the terminals. 4. Regular maintenance includes: (1) Keeping the battery clean. Spilled electrolyte, dirt, or dust can cause short circuits. Clean the terminals with vaseline to prevent oxidation, and ensure the vent hole remains unobstructed. (2) Secure the battery firmly on the vehicle with shock-absorbing pads to prevent damage from vibration. Repair any cracks or leaks immediately. (3) Check the electrolyte level regularly. Use glass tubes to measure the level, and add distilled water when needed. For leaks, replace with electrolyte of the same density and recharge after adding water. (4) Monitor the battery’s condition using a hydrometer or discharge fork. Avoid checking by short-circuiting, and never place metal objects on the battery to prevent sparks. Emergency Repairs for Common Battery Issues During operation, various issues may arise. Here are some quick fixes: 1. Pole pile damage or breakage: Cut the damaged section, drill a hole, and secure with a bolt. Then pour molten lead into a copper tube and let it cool. 2. Cracked case or cover: Seal small cracks with adhesive after heating the area. For larger cracks, use a hacksaw to create a V-groove and fill with resin. 3. Plate short circuit: Replace damaged separators or clean excessive deposits. If necessary, drain and rinse the battery before recharging. 4. Active material shedding: Remove debris and reuse the plates if the damage is minimal. 5. Plate sulfation: Charge with a low current for extended periods. Repeat the process until the electrolyte density stabilizes. 6. Cracked sealing compound: Small cracks can be repaired with heat; larger ones require replacement and proper bonding. 7. Disconnected cells: Temporarily connect the open cell with a thick wire to maintain functionality. By following these guidelines, users can extend battery life, ensure reliable performance, and handle emergencies effectively. Proper care not only saves money but also ensures that farming operations run smoothly even under challenging conditions.

Fluorine-Containing Benzonitrile

Most products of Fluorine-containing Benzonitrile is a colorless transparent liquid and has a pungent odor. It was widely used in pesticides, pharmaceuticals liquid crystal material manufacturing. High efficiency, low toxicity and residue characteristics. Through extensive research and production practice, we have found some good manufacturing processes of fluoro-containing cyanophenyl products. In addition, we have groundbreaking research on ratio of raw materials, solvent selection, the choice of solvent concentration, related use of catalysts..

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