Reflection on Electric Welder Accident in Factory

#<Reflection on Electric Shock Accident in Factory> In the process of electric welding in the factory, electric shock is an extremely serious safety hazard, which is worthy of our deep reflection and summary. * * I. Accident course ** Electric shock accidents often occur due to a variety of complex factors during electric welding operations in the factory. For example, in an accident, the welders were working in a relatively closed and poorly vented space, and soon they were drenched in sweat. At that time, he was not fully aware of the dangerous factors in the surrounding environment, such as the possible damage of the welding wire. During the welding process, due to the movement or leaning of the body, the damaged welding wire came into contact with the body. He was wearing sweaty ordinary welding gloves, which greatly reduced the insulation performance. The no-load voltage of the welding machine entered the human body in this way, causing an electric shock accident. * * II. Cause of the accident ** 1. * * Personnel factor ** - * * Weak safety awareness **: The welders did not have enough awareness of the danger of the second electric shock of the electric welding machine, and did not fully assess the potential risks during the operation. For example, not realizing that sweaty gloves would reduce insulation and increase the risk of electric shock. - * * Irregular operation **: During the operation, there was no careful inspection of the work site, including the inspection of the electric welding equipment and the surrounding environment. If they did not discover the damage of the welding wire in time, they did not pay attention to whether there was a hidden danger of electrical conductivity in their environment. 2. * * Equipment factor ** - * * Equipment aging and insufficient maintenance **: The electric welding machine has been used for a long time without effective purging and maintenance. There is too much dust accumulated inside, which leads to the decrease of insulation, causing the no-load voltage to be higher than the safety range. - * * Equipment defects **: The handle wire was damaged in many places at a certain distance from the welding pliers. This was a safety hazard of the equipment itself, which was not discovered and dealt with before the operation. 3. * * environmental factors ** - * * Special environment increases risks **: In some special working environments in the factory, such as enclosed spaces with poor ventilation, the welders will sweat more and their work clothes will be wet. This will increase the electrical conductivity of the human body and make people tired, thus affecting the accuracy of the operation and the ability to sense danger. * * 3. Protective measures ** 1. * * Personnel training and awareness enhancement ** - * * Enhancing safety training **: Electric welders must attend safety training according to the regulations to raise their awareness of the risk of electric shock during electric welding and enhance their safety awareness. For example, understand the voltage characteristics of different electric welding equipment, and master the principles and precautions of various types of electric shocks (such as direct and indirect electric shocks). - * * Strictly abide by the operating procedures **: During the operation, strictly abide by various safety operating procedures, such as wearing qualified protective equipment, including insulated shoes, insulated gloves, etc., and ensure that the protective equipment is dry and intact. When changing the welding rod and adjusting the welding current, be extra careful to avoid direct contact with the live parts. 2. * * Equipment inspection and maintenance ** - * * Pre-operation inspection **: Before each electric welding operation, the electric welding equipment must be thoroughly inspected. Check the insulation between the conducting parts of the electric welding machine to ensure that the insulation resistance between the primary and secondary circuits is not less than 5 M Omega, and the insulation resistance between the live parts and the casing and frame is not less than 2.5 M Omega. At the same time, check the terminal of the power input line and the secondary output line to ensure that they have a complete isolation shield and that the terminal is firm and not loose. He also had to check if the welding wire was damaged and replace it in time if any problems were found. - * * Regular maintenance **: Regular maintenance of the electric welding machine, such as blowing away the dust inside, to ensure its good performance. The electric welding pliers should also be checked to ensure that they can clamp the welding rod at any angle, that the handle has good insulation and heat insulation performance, that the connection with the welding cable is simple and reliable, that the contact is good, and that the quality meets the requirements. 3. * * Management of the environment ** - * * To improve the working conditions in special environments **: For working environments with poor ventilation, effective ventilation measures should be taken to reduce the temperature and humidity of the working space, reduce the amount of perspiration of welders, and reduce the risk of electric shock. When working in special environments, specific safety measures should be formulated. For example, when working in humid environments, additional insulation protection measures should be taken. Through the reflection of the electric welding electric shock accident in the factory, we deeply realized that only by taking effective preventive measures from the aspects of personnel, equipment, environment, etc., can we minimize the occurrence of electric welding electric shock accidents and ensure the safety of the electric welding workers and the normal production activities of the factory. <a href="/?from=ask_words" style="color:red" target="_blank">Read more exciting novels for free</a>

The following is a reflection on the Lanxin railway accident: The Lanxin railway accident sounded a heavy alarm for railway safety. This incident revealed many things worthy of deep reflection. First of all, the accident reflected a serious loophole in safety management. From the person in charge of the operation to the shift leader, they failed to strictly abide by the safety regulations when directing and organizing the operation. For example, the person in charge of the operation illegally arranged for personnel to cross the upstream line to transfer the work site. This mistake in decision-making was the beginning of the accident. The shift leader blindly organized the personnel to cross the line without confirming the traffic condition of the train on the upper line, which reflected the lack of rigor and responsibility at the field operation command level. Secondly, the failure of the security guards to perform their duties was also a factor that could not be ignored. Safety guards were supposed to be the key line of defense to ensure the safety of construction workers, but in the Lanxin railway accident, the guards failed in many aspects. When they received the news that the train was approaching, they did not stop the construction workers from crossing the line even after confirming the train's location with the middle protection officer. This highlighted the indifference of the safety protection officer to his own responsibility and the lack of safety awareness. Moreover, the workers 'lack of safety awareness was also one of the reasons for the accident. When the line of sight was blocked by the tamper stabilizing vehicle, the cross-line personnel did not notice the approaching passenger train, which indicated that the operation personnel lacked sufficient observation of the surrounding environment and alertness to potential dangers during the operation. On the whole, this accident warned us that railway safety is a systematic project. Every link and every post must be deeply aware of the importance of safety. Safety awareness must be deeply rooted in the hearts of every participating employee. Not only must they know the safety regulations, but they must also strictly abide by them in actual operations. The management level should strengthen the management and training of personnel, improve the quality of the workers, strengthen the safety management, and ensure that every instruction and every operation complied with the safety regulations. At the same time, safety measures and emergency response mechanisms should be constantly improved so that they could respond in time to minimize the occurrence of similar tragedies. <a href="/?from=ask_words" style="color:red" target="_blank">Read more exciting novels for free</a>

The Thunderbolt Electric Wires Factory's prototype was the Little Thunder Village Electric Wires Factory.

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The 2011 Shanghai subway line 10 rear-end collision incident reflected many problems. From a technical and operational perspective, signal failure was the direct cause of the accident. The loss of power at Xintiandi Station disrupted the normal command and dispatching system of train operation, resulting in errors in the subsequent manual dispatching, which eventually led to a train collision. This indicated that the subway system had extremely high requirements for the reliability and stability of key technical equipment such as signals. Any technical failure could trigger a chain reaction and threaten the lives of many passengers. From a management perspective, the accident exposed a loophole in dispatching management. After the signal failure, although the telephone block method was used, it was obvious that the train dispatching process could not accurately coordinate the operation status of each train, causing the No. 1005 train to collide with the No. 1016 train in front of it after the departure of the ticket. This reflected that in an emergency situation, the dispatching and commanding ability of the subway operation management department, the response plan for special situations, and the coordination and communication ability between various departments were insufficient. From the perspective of the safety system, the accident also indicated that the entire subway safety system needed to be further improved. This included the daily maintenance and inspection mechanism of the equipment to ensure the stability of key equipment such as the UPS to avoid major accidents caused by minor faults such as loose lines. At the same time, in terms of personnel training, whether it was the dispatcher or the station staff, they needed to strengthen the safety awareness and emergency response ability to improve the response ability of the entire subway operation system in the face of emergencies and ensure the safety of passengers. In addition, this accident also reminded the community to pay enough attention to the safety of public transport infrastructure. The subway operator should constantly review and improve its own operation management system, the supervision department should strengthen the supervision of subway operation safety, and the public should also strengthen their self-protection awareness and pay attention to subway safety issues, so as to jointly promote the improvement of subway safety operation level. <a href="/?from=ask_words" style="color:red" target="_blank">Read more exciting novels for free</a>