Construction safety management of coal preparation plant?

Construction safety management of coal preparation plant is very important. Management is formulated to better ensure safety, and every detail is handled to make the construction more reasonable. Zhong Da Consulting will explain the construction safety management of coal preparation plant for you.

1 the core development idea of construction safety management in coal preparation plant

1. 1 The construction party strictly controls the safety factor.

Human factor is the main and key factor that affects the safety management of construction and the safety of construction process. In the process of coal preparation plant construction, each construction participant is the core issue of the whole safety management. Therefore, the safety management of construction personnel is the primary task to realize the construction safety management of coal preparation plant. In this regard, the project department of the construction party should first consider and screen from many aspects such as responsibility, work ability, quality and work attitude, and select the project manager who meets the project construction standards; At the same time, with the project manager as the core of the construction team, a site project construction department with both safety and working ability was established.

1.2 Be fully prepared and controlled.

Preparation control is the basic guarantee for the implementation of construction safety, also known as pre-construction control. Its main task is to fully consider the planning before the project construction. The project department will thoroughly check every project procedure and construction link in the project planning, ensure that the safety measures in each project are reasonable and targeted, and strive to implement the safety measures. We should focus on reviewing the corresponding safety equipment, and check whether its functions and adaptation conditions meet the construction links. Those that do not meet the requirements of the state and relevant departments should be re-planned and reviewed. Ensure that the safety management before construction has proceeded from reality.

1.3 Improve the importance attached to the inspection of construction equipment.

The quality of construction equipment is the key factor to determine the construction quality and construction safety management. Therefore, after the construction planning and construction safety planning of the coal preparation plant are completed, the project department should also check the quality and safety of construction equipment. For coal preparation plant construction projects, we should check scaffolding, construction elevators, tower cranes, Sambo four-mouth, five-limb and other equipment that are often used and prone to safety accidents. Only by ensuring the quality and reliable safety of the equipment can the safety accidents in the construction process be effectively prevented.

1.4 strengthening the process safety precontrol of construction projects.

Every working procedure in the construction project is closely linked, which ensures the completion speed of the construction project. Therefore, the safety management required for each process should also be associated with the previous process and the latter process, which has higher requirements for the safety pre-control of the whole construction project. Only by satisfying the safety pre-control of each working procedure can the safety of the whole construction project be predicted and controlled. Therefore, when the project team carries out the safety pre-control of the construction project, it is necessary to refine this step into every working procedure in order to provide strong safety guarantee for the construction link.

2 details of safety work in the early stage of construction

From construction to operation, every link of coal preparation plant is very dangerous, so the construction safety management should also start from scratch and provide reliable safety guarantee for the follow-up work. Doing a good job in the early stage of safety work is inseparable from the reliable analysis of the construction site and construction equipment by the project team. Safety analysts should record and analyze the internal and external environment of the construction site according to the site conditions, including the necessary hazard identification and environmental identification of high and low voltage lines and other dangerous places and objects on site, and formulate corresponding safety management regulations. Project managers must seriously study the knowledge of on-site safety management to ensure the safety of the whole project construction process and ensure that the project can be carried out safely and stably. The Project Department conducts safety training for managers, technicians and site construction personnel in accordance with national regulations and industry norms, and establishes and improves safety education records and employee safety files.

3 Analysis of specific safety management measures during construction

3. 1 In the process of civil engineering foundation

Civil engineering is the first step in the construction of coal preparation plant, and all processes must be carried out on the basis of civil engineering. However, it is quite difficult to establish the foundation. Due to its harsh environment and numerous large-scale equipment, there are many safety factors to be considered. In order to improve the safety of civil foundation construction, the construction department should install safety protection facilities with a height of at least 1.5M around the foundation, such as railings or baffles, and post eye-catching notices around the facilities to remind passers-by or construction workers to be vigilant and prevent the dangerous situation of falling into the foundation. In the operation of filling the foundation pit filler, the construction personnel should prohibit the use of direct blanking from a height or throwing from a distance to avoid potential safety hazards caused by material sputtering. During the operation of tower crane, experienced technicians and signalmen shall be required to assist the operation of tower crane.

3.2 Strengthen steel structure construction

Steel structure construction runs through the whole construction process of coal preparation plant, and the scaffold with the highest frequency of use is taken as the analysis object. The scaffolding required for many links must be designed independently by the technical department, and the scaffolding structure and components should be adjusted according to the requirements of the construction environment and conditions. In addition, in high-risk construction environment, the safety factor of scaffolding should be increased. At the same time, the construction department should provide training and safety education for scaffold users to ensure that the construction personnel can use the equipment correctly and reasonably. In addition, the scaffolding location should be marked with eye-catching notice or fenced for safekeeping.

3.3 Safety measures for silo construction

Silo in coal preparation plant is an important part of coal preparation system. High silo can effectively store coal and ensure its quality, but during construction, it is more important to ensure safe construction. Therefore, the project team should make the division of labor of the silo construction team more detailed, and strengthen the safety and reliability of the platform structure and tower crane during the sliding mode construction, the safety and reliability of the support system in the silo and the safety and reliability of the power distribution system during the conical shell construction, strictly implement the relevant national regulations, and improve the construction quality of the silo while ensuring the safety of the construction personnel.

3.4 Construction temporary electricity safety protection management

Among the safety accidents in the construction stage of coal preparation plant, electric power accidents account for a considerable proportion. The main reason is that temporary electricity is mostly used in the construction process, and wires and cables are often on the ground, which will aggravate the wear of local wires and lead to very low safety. To this end, the construction party should strengthen the management of safe electricity use by construction personnel and establish necessary management regulations and files; Bury cables and wires as much as possible. According to the requirements, the trench depth of temporary power lines should be no less than 600 mm. Fine sand with a thickness of not less than 50 mm should be laid on the top and bottom of the cable, and a hard protective layer should be laid on the upper surface. For the power input, security protection should be strengthened, three-level distribution and two-level protection should be implemented, and a five-wire zero protection system should be adopted to reduce the influence of external environment on each power supply through the protection of important nodes. For example, the welding machine should be equipped with a separate switch, and the shell of the welding machine should be equipped with zero connection or grounding protection. The length of the primary line should be less than 5m, the length of the secondary line should be less than 30m, the wiring on both sides should be firmly connected, and reliable protective covers should be installed at the same time.

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