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Reaction kettle reconstruction construction plan

2026-07-02 01:35
2026-07-02 06:18

The following are some common construction plans for the reactor: ** I. Electromagnetic heating modification plan for the reactor ** 1. ** Power calculation and selection ** - First of all, the known conditions must be clear, such as the material, size (diameter, height, thickness, etc.), weight, effective volume, material weight, material mixing heat, heating temperature requirements, time requirements, etc. - According to the heat calculation formula,[Q = cm/Delta t+km](where [c] is the specific heat capacity,[m] is the mass, and [Delta t] is the temperature difference), the specific heat capacity [J/(KG* ° C)], the temperature difference [° C], and the mass [KG] are substituted into the formula and divided by the time [S] to obtain the power [W]. - For example, the known atmospheric pressure reactor, material 304, the external dimensions of the kettle body are 2 meters in diameter * 3 meters in height (8mm in thickness), the weight is about 1000kg, the effective volume is 7 m3, the material weight is 7 tons, the reaction material is a certain liquid material mixed specific heat according to the requirements of 4200J/kg* ° C, and it is required to be heated from 20 ° C to 280 ° C within 3 hours. After calculating the theoretical power, it is necessary to consider the loss (generally increase the loss by 20%) to determine the actual matching power. For example, the theoretical power of the above example is 708KW, and the actual matching is 708KW *1.2 = 850KW. Seven sets of 120KW electromagnetic heater can be used for parallel heating. 2. ** Steps to design the plan ** - Understand the original structure and working principle of the reactor, including the size, shape, material, working temperature and other parameters of the reactor. Then, according to the actual situation and needs of the reactor, the electromagnetic heating scheme was designed. ** II. Upgrade plan for the support and foam plug at the bottom of the reactor ** 1. ** Selection of Upgrade Materials ** - High-quality steel was used to ensure the bearing capacity and corrosion resistance of the lower support and foam plug. 2. ** Pre-construction preparation ** - The original lower support and foam plug were first cleaned, and then disassembled to facilitate the installation of new materials. 3. ** installation process ** - After determining the size of the new material, he drilled a hole and installed it gently. Then, he adjusted the reaction kettle to ensure that the new support and foam plug were stable. ** 3. Cleaning and replacement of paint containers ** 1. ** Clean paint container ** - Clean up the old paint container, use professional equipment to heat and spray it with high pressure to ensure that it is thoroughly cleaned. 2. ** Change paint container ** - A new paint container was installed, and the corresponding clamp was used to fix the container to ensure safety and reliability. ** IV. Replacing the valve and sensor ** 1. ** Replacing the valve ** - First of all, determine which valve needs to be replaced, then use professional equipment to disassemble it, and choose a suitable position for the new valve to install. 2. ** Replacing the sensor ** - Clean the original sensor, then remove it and mark it according to the location where the new sensor is to be installed. For the modification of the reactor involving the key supervision of dangerous chemical processes (such as the modification of the internal heat-conducting oil-injected electric heating reactor without cooling measures): 1. ** For the atmospheric pressure reaction process using heat medium heating ** - The reaction kettle should be equipped with automatic control valve for feed and heat medium, and the reaction temperature can be adjusted by changing the feed flow or heat medium flow. - The reaction kettle shall be equipped with a high reaction temperature alarm and interlocked to cut off the feed or the heat medium. The parallel lock shall be used to open the emergency cooling system (including the cooling medium) and emergency discharge facilities. 2. ** For the pressure reaction process using heat medium heating ** - The reaction kettle should be equipped with an automatic feed or heat medium flow control valve, which can adjust the reaction temperature and pressure by changing the feed flow or heat medium flow. Read more exciting novels for free

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