Water inlet problem and solution of elevator bottom pit

As an indispensable means of transportation in the modern city life, the safety and reliability of the elevator directly affect people's daily life and work efficiency. However, the problem of water intake in the elevator bottom pit has long plagued the elevator installation and maintenance industry. The water intake in the bottom pit will not only affect the stable operation of the elevator equipment, but also may lead to equipment damage and even safety accidents. Therefore, how to effectively solve the water intake problem of the elevator bottom pit has become a big problem for the elevator industry to solve.

The Cause of The Water Intake in The Bottom Pit

The water intake of the elevator bottom pit is mainly caused by the following reasons:

●High groundwater level or more precipitation：after the groundwater level rises or after heavy rain, the groundwater enters the bottom pit through infiltration or catchment.

●Sewage pipe leakage：the surrounding sewage pipe aging or rupture, resulting in sewage leakage to the bottom into the pit.

●Building structural defects：there are cracks or defects in the building structure around the bottom pit, causing the groundwater or rainwater to enter the bottom pit along the cracks.

Hazards of Water Intake in The Bottom Pit

The inflow of the bottom pit not only affects the normal operation of the elevator equipment, but also may cause the following hazards to the elevator system:

●Equipment corrosion：the water intake causes the rust or corrosion of the metal parts of the elevator equipment, which affects the structural strength and life of the equipment.

●Electrical part failure：Water can cause short circuit or damage to the electrical parts of the elevator, which will affect the electrical control system of the elevator.

●Safety risks：the water in the bottom pit may lead to the instability of the elevator equipment, and even cause elevator accidents in serious cases, endangering the safety of passengers and operators.

Technical Solutions

●Optimization of waterproof design：In the elevator installation and design stage, the waterproof measures around the bottom pit should be optimized, including the use of efficient waterproof materials and construction technology, to ensure that there is no water leakage around the bottom pit.

●Lift the drainage system：Improve the drainage system of the bottom pit of the elevator to ensure that the water in the bottom pit is quickly removed during the precipitation process, so as to avoid the rise of water level affecting the operation of the elevator equipment.

●Monitoring and early warning system：Install the water inlet monitoring device and alarm system in the bottom pit to timely find the water inlet situation in the bottom pit and give early warning, and improve the efficiency and accuracy of accident response.

●Waterproof coating and material application：Using efficient waterproof coating and material coating the surface of the bottom pit structure to enhance its water resistance and effectively prevent groundwater leakage.

Managed Solution

●Regular inspection and maintenance：establish a system of regular inspection of the bottom pit of the elevator, find and deal with the water problems in the bottom pit in time, and reduce the possibility of accidents.

●Strengthen the control of the surrounding environment：strengthen the control of the surrounding environment of the bottom pit, including checking the structural health status of the surrounding buildings, and preventing the water from the bottom pit caused by the structural problems of the surrounding buildings.

●Training and emergency drill：Regular training for elevator operation and maintenance personnel, strengthen emergency drill, and improve the ability and efficiency of dealing with water intake events in the bottom pit.

Detailed Explanation of Technical Scheme

●Optimization of the waterproof design：The waterproof design of the elevator bottom pit is the first measure to prevent the water intake in the bottom pit. In the design stage, the changes of groundwater level and surrounding environment should be fully considered, and appropriate waterproof materials and technologies should be selected for construction. Commonly used waterproof materials include polymer waterproof coil, waterproof coating and hard waterproof materials. Attention should be paid to the quality of materials and construction technology to ensure the integrity and waterproof performance of the walls and ground of the bottom pit.

●Lift the drainage system：The design and operation state of the drainage system directly affect the waterproof effect of the elevator bottom pit. Modern elevator bottom pits are usually designed with drainage Wells or drainage pipes to remove water from the bottom pits. The drainage system shall have sufficient drainage capacity to remove rainwater and groundwater quickly and effectively. In the operation of the drainage system, it is necessary to regularly check and maintain the drainage equipment, to ensure that it is unimpeded, and to avoid the water intake in the bottom pit due to poor drainage.

●Monitoring and early warning system：The installation of the pit inlet monitoring device and alarm system is the key to find the pit inlet and take countermeasures. The monitoring device can monitor the change of water level in the bottom pit in real time. Once the abnormal rise of water level is detected, an alarm can be issued through the alarm system and notify the relevant maintenance personnel to deal with it. The response speed and accuracy of the early warning system are crucial to prevent the loss of water entering into the bottom pit, so the sensitivity of the monitoring equipment and the stability of the alarm system should be ensured.

●Waterproof coating and material application：In addition to the waterproof design, the waterproof coating and material on the surface of the bottom pit structure is also an effective means to prevent the bottom pit water. Waterproof coating usually uses polymer coating or silicate waterproof coating, with good adhesion and impermeability performance, can effectively prevent the leakage of groundwater. In the selection and application of waterproof coating, it is necessary to consider the durability and environmental adaptability of the material, to ensure that its long-term and stable waterproof role.

Detailed Explanation of Management Plan

●Regular inspection and maintenance：Regular inspection and maintenance is one of the important means to prevent the water intake in the elevator bottom pit. Through the establishment of regular inspection system, the waterproof condition of the elevator bottom pit and the operation state of the drainage system can be regularly checked regularly, and then the potential problems can be found and dealt with in time. The inspection includes the health of the building structure around the bottom pit, the aging of the waterproof material and the working effect of the drainage equipment. After the problem is found, it is necessary to be repaired and replaced in time to ensure the long-term waterproof effect and safe operation of the elevator bottom pit.

●Strengthen the surrounding environment control：The water intake problem of the elevator bottom pit is sometimes closely related to the surrounding environment, especially the stability of the surrounding building structures and the operation condition of the sewage pipes. Therefore, strengthening the control of the surrounding environment is one of the keys to prevent the water intake in the bottom pit. Establish a regular inspection system to check the structural health status of the surrounding buildings, and timely find and deal with the potential factors that may affect the bottom pit of the elevator. In addition, the regular cleaning of the surrounding garbage and weeds, to keep the surface drainage system unblocked, can also effectively prevent the water intake problem in the bottom pit caused by rainwater.

●Training and emergency drills：Training and emergency drill of elevator operation and maintenance personnel are crucial to deal with water incidents in the bottom pit. Organize elevator operation and maintenance personnel to conduct operation training of waterproof equipment and drainage system regularly to improve their understanding and mastery of equipment performance and working principle. At the same time, regular emergency drills are conducted to simulate the emergency treatment of the water in the bottom pit, and to cultivate the emergency response ability and teamwork spirit of the operators. Through training and drills, the ability and efficiency of operators to deal with emergencies can be improved, and the impact of water intake events in the elevator bottom pit on equipment and passengers can be reduced.

The water intake problem of the elevator bottom pit is a complex problem that needs comprehensive technology and management means to solve. Through the dual means of technology and management, it can effectively prevent and reduce the equipment damage and safety accidents caused by the water in the elevator bottom pit, and ensure the life safety and property safety of passengers and operators. In the future, with the continuous improvement of science and technology and management level, it is believed that the water intake problem in the elevator bottom pit will be more effectively and comprehensively solved, and contribute greater guarantee to the safety and reliability of the urban elevator operation.

Through the analysis and discussion of this paper, we hope to attract the attention of relevant industries and experts, promote the technical innovation and management practice to solve the problem of water intake in the elevator bottom pit, and provide more safe and convenient elevator services for the future urban traffic and residents' life. The solution of the water intake problem in the elevator bottom pit is not only related to the development and progress of the elevator industry, but also related to the improvement of the quality of life of the general public and the realization of security.

The Importance of Elevator Safety

As an indispensable means of transportation in the modern city, the elevator provides the convenience for people's life and work. However, the safety problems existing in the use of elevators often cause people's attention. Ensuring the safe operation of elevators is not only related to the safety of passengers' lives and property, but also an important part of urban management and construction. This paper will discuss the importance of elevator safety, analyze the challenges of elevator safety and its coping strategies, and aim to enhance the public awareness and attention of elevator safety issues.

●Life and safety guarantee of passengers：Elevators are one of the daily vehicles used by most people, especially in high-rise buildings. Once the elevator breaks down or has an accident, it may pose a serious threat to the life safety of the passengers. Therefore, it is very important to ensure the safe operation of elevators and to prevent and reduce the occurrence of accidents.

●Avoid property losses:Elevator accidents may not only lead to casualties, but also may cause property damage. For example, accidents such as elevator equipment failures or fire and explosion can cause serious damage to buildings and equipment, and repair and reconstruction are expensive. Therefore, the elevator safety is directly related to the maintenance cost and management efficiency of the property.

●Improve the city's image and residents' satisfaction：The degree of modernization and development of a city is often closely related to the safety and convenience of its public facilities. A safe and efficient elevator system not only improves the image of the city, but also enhances the quality of life and satisfaction of residents. Residents' attention to and trust in elevator safety issues is also an important factor that city managers and elevator manufacturers need to consider and pay attention to.

The Danger of Elevator Safety

●Equipment aging and untimely maintenance：With the growth of elevator use time, the equipment may appear aging and wear, such as the aging of electrical parts, wear of mechanical parts, etc. Without regular maintenance and maintenance, these problems can lead to unstable or malfunctioning elevators.

●Improvement and adaptation of technical safety standards：With the progress of science and technology and the development of elevator technology, the safety standards and requirements are also constantly improving. Elevator manufacturers and maintenance companies need to constantly adapt and adopt new safety technologies and standards to ensure that elevators meet higher safety requirements during design, manufacture and operation.

●Lack of human factors and safety awareness：The safety of the elevator not only depends on the quality and performance of the equipment itself, but also is affected by the safety awareness of the users and maintenance personnel. Misbehavior or errors by passengers and operators may lead to elevator accidents. Therefore, improving the safety awareness and training level of the public and practitioners is one of the keys to prevent elevator accidents.

As an important part of urban traffic and building management, the safety of elevator is directly related to the life safety of passengers and the image of the city. To ensure the safe operation of elevators not only needs technical innovation and management improvement, but also needs the joint efforts and attention of all sectors of society. By improving the quality and safety of the elevator equipment, strengthening the management and maintenance, and cultivating the safety awareness of the public and practitioners, can the safe operation of the elevator be better guaranteed and provide a more safe and convenient travel experience for urban residents.