Shandong Zhongjie Special Equipment specializes in products such as fuel (gas) boilers, organic heat carrier boilers, biomass boilers, waste heat boilers, and other boiler products; vacuum insulation deep-freeze pressure vessels like LNG tanks, oxygen-nitrogen-argon tanks, and CO2 tanks; pressure vessel products including denitrification engineering equipment, heat storage and energy storage equipment, and complete chemical equipment sets; central air conditioning and HVAC equipment such as ground (water) source heat pumps, air-source units, water-cooled screw units, and air-cooled modules. Planned products include large-scale energy centers, LNG transport vehicles, LNG tank containers, and other green energy equipment.
Excessive exhaust gas temperature in a thermal oil boiler may be due to several reasons: Incomplete combustion: During the combustion process, if the fuel is not fully combusted in a thermal oil boiler, it results in a large amount of unburned fuel and harmful substances in the flue gas, leading to higher exhaust gas temperatures. Possible causes include insufficient fuel supply, incorrect burner adjustment, and burner wear. Excess air: Excessive air can lower the combustion temperature, making the heat in the flue gas insufficient to reduce the flue gas temperature to a reasonable range. Causes may include incorrect burner adjustment and excessively open air doors. Chimney blockage: The accumulation of ash, slag, or other impurities in the chimney can obstruct flue gas flow, increasing the flue gas residence time and consequently raising the exhaust gas temperature. Abnormal thermal oil flow: Abnormal thermal oil flow, either too high or too low, can lead to uneven heat transfer, causing the flue gas temperature to rise. Boiler overheating: If the temperature control of the thermal oil boiler is improper, leading to overheating, it can raise the exhaust gas temperature. Boiler design issues: Issues with the boiler design, such as a small chimney or poor flue gas flow, may also result in excessive exhaust gas temperatures. To address the issue of high exhaust gas temperature, a comprehensive inspection and analysis of the thermal oil boiler is necessary. Solutions may include adjusting burner parameters, cleaning the chimney, checking thermal oil flow and temperature control. For severe issues, boiler system modifications or repairs may be required. Additionally, regular maintenance and inspections are crucial preventive measures against excessive exhaust gas temperatures.

A condensing gas steam boiler is an energy-saving boiler equipment with the following working principle and features: Working Principle: Steam Generation: The condensing gas steam boiler produces high-temperature flue gas by burning gas, which then exchanges heat with the water pipes inside the boiler, heating the water into steam. Steam Condensation: After steam is generated, it enters the condenser, where it exchanges heat with the condensing medium (usually cold water or recycled water) to release heat from the steam and condense it back into water. Flue Gas Reuse: The flue gas after condensation still contains some heat, which can be recovered and reused by the flue gas reuse device to improve the boiler's thermal efficiency. Features: Energy-saving: The condensing gas steam boiler utilizes the principle of steam condensation to make full use of the heat in the steam, enhancing the thermal energy utilization efficiency and saving energy consumption. Low Emissions: Due to the heat recovery during flue gas condensation, the flue gas temperature is lower, resulting in lower emissions of pollutants, and a smaller environmental impact. Compact Structure: The condensing gas steam boiler usually features a compact design, occupying less space and suitable for areas with limited space. Fast Start-up: The condensing gas steam boiler has the characteristic of fast start-up and shutdown, allowing for flexible adjustments and operations based on actual needs. Wide Application Range: The condensing gas steam boiler is suitable for heating and steam requirements in industrial production processes, such as power plants, chemical factories, and textile factories, etc. It should be noted that maintenance and care are required for the condensing gas steam boiler during use to ensure its normal operation and performance. Regular cleaning of the condenser and flue gas reuse device is necessary.

In industrial boiler systems, the key functional parameters of pumps include the following aspects: - Flow Rate: The flow rate of a pump refers to the volume of liquid pumped per unit of time. In industrial boilers, pumps need to provide sufficient flow rate to meet the water requirements of the boiler. The size of the flow rate depends on the rated evaporation capacity of the boiler and the design requirements of the circulating water system. - Head: The head of a pump is the ability of the pump to overcome liquid resistance and lift the liquid to a certain height. In industrial boilers, pumps need to have enough head to ensure that water can flow smoothly to all parts of the boiler, including the feed water system and circulating water system. - Power: The power of a pump is the electrical or mechanical energy required to drive the pump. In industrial boilers, the power of the pump needs to be determined based on flow rate and head to meet the requirements of the boiler system. - Efficiency: The efficiency of a pump is the ratio of the input energy to the output fluid energy. High-efficiency pumps can reduce energy consumption and operating costs. In industrial boilers, choosing high-efficiency pumps can improve the energy efficiency performance of the system. - Stability and Reliability: Pumps in industrial boiler systems need to have good operational stability and reliability. Pumps should be able to run stably for a long time without being affected by external interference or fluctuations, and should be able to adapt to different operating conditions. - It is necessary to select the appropriate pump based on the specific industrial boiler system and design requirements, and ensure that the functional parameters of the pump meet the system's needs. At the same time, the selection and operation of the pump should also follow relevant standards and specifications to ensure safe and reliable operation.

The main benefits of installing expansion tanks in a thermal oil furnace are as follows: - Alleviate thermal expansion and contraction: During operation, the thermal oil furnace experiences thermal expansion and contraction due to temperature changes. The expansion tank provides space for the thermal oil to expand, mitigating the impact of thermal expansion and contraction on equipment and pipelines, and preventing stress concentration and equipment deformation caused by it. - Protect equipment and pipelines: The expansion tank absorbs the expansion and contraction of the thermal oil, reducing impacts and vibrations on equipment and pipelines. This helps extend the lifespan of equipment and pipelines, reducing the frequency of maintenance and replacements. - Reduce leakage risk: The expansion tank provides a sealed space, minimizing the risk of thermal oil leakage. When the thermal oil expands, excess oil can be accommodated through the expansion tank, preventing leaks and environmental pollution. - Facilitate maintenance and repairs: The presence of the expansion tank makes it easier to maintain and repair the thermal oil furnace system. When equipment or pipelines need maintenance or replacement, the flow and shutdown of the thermal oil can be controlled through the expansion tank, reducing downtime and repair complexity. In summary, the expansion tank plays a role in alleviating thermal expansion and contraction, protecting equipment and pipelines, reducing leakage risk, and facilitating maintenance and repairs in the thermal oil furnace system. It is an important design element that contributes to the safety and reliability of the thermal oil furnace system.
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