Maintenance of Gas Boilers
1. During operation, pay attention to the following points for gas boilers: (1) Gas boilers are not allowed to burn under positive pressure or have smoke in the furnace, as it can easily damage the coal hole cover; (2) No water should accumulate on the horizontal surface at the bottom of the gas boiler to prevent damp corrosion.
2. The gas boiler should be inspected every 2-3 weeks during operation.
3. After every 3 to 6 months of operation, the gas boiler should be shut down for a comprehensive inspection and maintenance: (1) Inspect the interior and exterior of the gas boiler, including the welds in the pressure parts and the presence of corrosion on the inside and outside of the steel plates. If severe defects are found, they should be repaired immediately. If the defects are not severe, they can be repaired during the next shutdown. If any suspicious areas are found that do not affect safe production, a record should be made for future reference; (2) After the inspection, apply boiler bottom paint to the waterline to prevent corrosion.
4. Gas boiler and boiler base should be painted at least once a year.
5. Maintenance for gas boilers not used for an extended period: There are two methods, dry and wet. For boilers not used for more than a month, dry maintenance should be adopted. For those not used for less than a month, wet maintenance can be used.
(1) Dry Maintenance Method: After the boiler is shut down, drain the boiler water, thoroughly clean the internal dirt, and rinse it clean. Dry the furnace chamber with a low flame (be cautious not to use high flame). Then, place blocks of unslaked lime, ranging from 10-30 mm in diameter, in separate trays inside the boiler drum, ensuring they do not touch the metal. The weight of the unslaked lime should be calculated at 8 kg per cubic meter of drum volume. Close all manholes, handholes, and pipeline valves. Check every three months; if the unslaked lime has crumbled, replace it immediately. When the boiler restarts, remove the lime and trays.
(2) Wet Storage Method: After the boiler is shut down, drain the boiler water, thoroughly clean the internal dirt, flush it clean, then refill it with treated water to the full, heat the boiler water to 100°C to expel the gas from the water, close all valves, and do not use the moisture preservation method in cold climates to prevent the boiler water from freezing and damaging the boiler.
Huzhou Boiler FactoryThe YY(Q)W type gas heat-conducting oil boiler produced by our company is a new type of special boiler with low pressure and high-temperature operating characteristics. Its heating temperature can reach 340℃ in the liquid phase or 400℃ in the vapor phase. It can serve as a high-temperature heat source for temperatures below 350℃, and is widely used in various industries that require high-temperature heating or drying. It features high temperature, low pressure, precise temperature control, and high thermal energy utilization. An optional steam generator can also be fitted to produce saturated steam below 1.3MPa for the user's needs. Organic heat carriers can be used for heating in various production scenarios where uniform and stable heating is required and direct flame heating is not permitted, with heating temperatures ranging from 150℃ to 380℃.。The gas-fired organic heat carrier boiler typically uses oil or gas as fuel, with thermal oil as the medium. It employs a thermal oil circulating pump to force the medium into a liquid-phase circulation, transferring heat to the heating equipment and then returning it to the boiler for reheating. It offers high working temperatures at low pressure and allows for high-precision control of the medium's operation. The system has a high thermal utilization rate, is easy to operate and maintain, and is an ideal, safe, efficient, and energy-saving heating equipment of choice.。
Primary Applications:
Chemical Industry - Oil Chemicals, Polymer Industry, Reactor Vessels, Distillation, Concentration. Plastic Industry - Plastic Blowing, Extrusion Molding.
Textile Industry - Resin setting machines, dyeing machines, drying rooms, high-temperature machines, roller machines. Rubber Industry - Vulcanization heating of rubber.
Food Industry - Steam cooking, drying, and vegetable oil extraction. Forest Product Industry - Heating and shaping of plywood, MDF, and particleboard.
Paper Products Industry - Multi-layer cardboard for packaging boxes, drying, dehydration. Other - Heating of metal electroplating tanks, curing of coatings, drying, pharmaceutical industry distillation, reduction, concentration, dehydration, etc.
Key Features:
The product's design, manufacturing, and inspection are strictly conducted in accordance with the "Technical Supervision Regulations for Organic Heat Carrier Boilers," the "Technical Supervision Regulations for Hot Water Boilers," GB/T17410-1998 "Organic Heat Carrier Boilers" standard, and procedures. It has also passed inspections by the national special equipment safety supervision authority, ensuring safety and reliability.
2. The boiler heating surface is焊接with argon gas shielded full penetration welding, and has passed X-ray inspection and hydrostatic pressure testing to maintain pressure, ensuring the welding quality exceeds national standards.
3. The diameter and length of the radiant fin tube are fully matched to the flame of the matching burner to ensure reliable operation and adequate cooling of the fin tube.
4. The heating surface employs a higher yet reasonable gas velocity, based on rigorous calculations, to ensure adequate heat exchange within the furnace and maintain a high thermal efficiency of the boiler system.
5. The boiler body is constructed with rational structural design and high-quality refractory and thermal insulation materials, ensuring the external surface temperature of the boiler does not exceed 50℃, which exceeds the national standard requirements.
6. Boilers are fully assembled for factory shipment. Once on-site at the customer's location, installation of the combustion system, piping system, and electrical control system can be initiated, featuring a notably shorter installation period and lower costs.
7. Utilizing internationally renowned imported burners, guaranteed quality and reliability.
Safety protection features and main control points:
Thermal oil export temperature display: Can be displayed on-site and transmitted to the control cabinet for meter display. Users can set this temperature value, and it can be interlocked with the induced draft fan to achieve automatic operation adjustment and high-temperature alarm.
2. Thermal oil import temperature display: Can be displayed on-site and remotely transmitted to the control cabinet for instrument display.
3. Exported thermal oil pressure display: Available for on-site display and remote transmission to the control cabinet for仪表 display, with over-pressure alarm function.
4. Thermal oil import pressure display: Can be locally displayed and remotely transmitted to the control cabinet for instrument display.
5. Expansion Tank Liquid Level Control: Achieve low liquid level alarms in the expansion tank, promptly reminding the boiler operator to inject oil into the system, ensuring the safe and reliable operation of the boiler system.
