Shandong Zhongjie Special Equipment's main products include: fuel (gas) boilers, organic heat carrier boilers, biomass boilers, waste heat boilers, and other boiler products; vacuum insulation cryogenic pressure vessels such as LNG tanks, oxygen-nitrogenargon tanks, CO2 tanks; pressure vessel products such as denitrification engineering equipment, heat storage and energy storage equipment, complete chemical equipment sets; central air conditioning and ventilation equipment like ground (water) source heat pumps, air source units, water-cooled screw units, and air-cooled modular units. Planned products include large-scale energy centers, LNG transport vehicles, LNG tank containers, and other green energy equipment.
When addressing issues with gas boilers during the heating process, consider the following aspects: - Check the gas supply: Ensure the gas supply is normal and inspect for any blockages or leaks in the gas pipeline. If issues are found, promptly repair or replace the gas pipeline. - Clean the burners and combustion chamber: Regularly clean the burners and combustion chamber to remove accumulated dust and dirt. This enhances combustion efficiency and reduces gas wastage. - Check and adjust the ratio of gas to air: Ensure the proper ratio of gas to air for optimal combustion. An incorrect ratio can lead to incomplete combustion or excessive waste gas production. - Inspect and clean the heat exchanger: Regularly check and clean the heat exchanger to remove dust and dirt. This improves heat exchange efficiency and ensures heat is effectively transferred to the heating system. - Inspect and maintain the circulating pump and valves: Ensure the circulating pump and valves are operating correctly to allow smooth flow of hot water or steam through the heating system. - Inspect and maintain the control system: Ensure the gas boiler's control system is functioning properly, with accurate control of parameters like temperature, pressure, and flow. Promptly repair or replace the controller if issues arise. - Regular maintenance: Conduct regular maintenance on the gas boiler, including cleaning, lubricating, and securing bolts, to extend its lifespan and reduce breakdowns. - Training and awareness: Provide staff training to enhance their awareness of operating and maintaining gas boilers. Improved knowledge and skills help in managing and resolving issues during the heating process. - If the problem cannot be resolved or safety concerns persist...

If there's an issue with the thermal oil furnace circulating pump, follow these steps for troubleshooting: Shut down and inspect: First, stop the thermal oil furnace and disconnect the power source. Check for any obvious signs of failure in the pump, such as unusual noises, oil leaks, or leaks. Inspect the motor for proper operation and any abnormal heat generation. Clean the pump body: If sediment or debris are found in the pump body, clean them. Use appropriate tools and cleaning agents to remove dirt and obstructions from within the pump. Ensure safe operation to avoid damaging the pump body. Inspect the pump connections: Check the pump's connections, including inlet and outlet pipes, valves, and seals. Ensure they are securely fastened, valves operate smoothly, and seals are intact. Repair or replace any loose or damaged parts promptly. Inspect the pump motor: Check if the motor is operating normally, for any unusual sounds or overheating. Inspect the power lines and control system of the motor to ensure normal power supply and correct control signals. Check the pump's lubrication and cooling system: Ensure the pump's lubrication and cooling system are functioning properly. Check the supply of lubricating oil or grease, and inspect the circulation and temperature control of cooling water or coolant. Adjust pump parameters: Depending on the situation, you may need to adjust the pump parameters, such as flow rate and head. Adjust the pump speed or valve opening according to equipment requirements and operating conditions to meet the thermal oil furnace's energy needs. Seek repair if necessary: If the above steps do not resolve the issue or if more in-depth repair and inspection are needed, it is recommended to seek repair services. Contact a repair technician or manufacturer's technical support for further troubleshooting and repair. It is crucial to prioritize safety when dealing with thermal oil furnace circulating pump issues and follow relevant operational procedures and safety requirements. If unsure about the process or if there are safety concerns, seek assistance immediately.

In the burner of a thermal oil furnace, adjusting the air shutter during low flame conditions is crucial. Here are some common knowledge and precautions: The function of the air shutter: The air shutter is a key component in the burner that controls the supply of combustion air. By adjusting the opening of the air shutter, the flow of combustion air can be controlled, thereby affecting the oxygen supply and combustion effect during the combustion process. Adjustment in low flame conditions: In low flame conditions, the burner needs to maintain stable combustion to ensure combustion efficiency and heat output. In this case, the opening of the air shutter should be appropriately adjusted to maintain an adequate supply of combustion air. Typically, the opening of the air shutter is relatively small during low flame conditions to maintain an appropriate oxygen supply, avoiding incomplete combustion or instability. Ratio of combustion air to fuel: In low flame conditions, it is necessary to ensure that the ratio of combustion air to fuel is appropriate. Too much combustion air leads to incomplete combustion and energy waste, while too little combustion air results in unstable combustion and the production of harmful gases. By adjusting the opening of the air shutter, the ratio of combustion air to fuel can be controlled to achieve a stable combustion effect. Burner tuning and optimization: During the installation and tuning of the burner in a thermal oil furnace, proper tuning and optimization are required. Through actual operation and monitoring, adjust the opening of the air shutter and other parameters to achieve the best combustion effect and energy efficiency performance. This requires bas

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 must provide sufficient flow to meet the boiler's water requirements. 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 its ability to overcome liquid resistance and lift the liquid to a certain height. In industrial boilers, pumps must have adequate head to ensure smooth flow to all parts of the boiler, including the feed water and circulating water systems. 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 the flow rate and head to meet the system's requirements. 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, selecting high-efficiency pumps can improve the energy efficiency of the system. Operational Stability and Reliability: Pumps in industrial boiler systems must have good operational stability and reliability. They should be able to run stably for long periods without being affected by external disturbances or fluctuations and should be adaptable to different operating conditions. Pumps should be selected based on the specific industrial boiler system and design requirements, ensuring that the functional parameters meet the system's needs. Additionally, the selection and operation of pumps must comply with relevant standards and regulations to ensure safe and reliable operation.
Our company attaches great importance to technological innovation and R&D design. We possess one municipal-level enterprise technology center in Heze City, equipped with testing facilities for non-destructive testing, physical and chemical testing, welding testing, hydrostatic testing, etc. We have over 600 types of equipment, including CNC machine tools, X-ray flaw detectors, digital ultrasonic flaw detectors, mechanical property testing machines, chemical analyzers, spectrometers, tensile testing machines, plasma welding machines, and more. The key products and technologies we have developed, such as temperature-pressure vessel welding, biomass boiler emission reduction, and waste heat utilization, have successively been selected for multiple Shandong Provincial Department of Industry and Information Technology science and technology innovation projects, key projects in Shandong Province, and Heze City innovation and excellence projects. We have accumulated 27 authorized utility model patents, 16 authorized invention patents, participated in drafting 2 standards, 2 industry standards, and registered 15 trademarks. The technical team of our company, in collaboration with Professor Yajiang Li from Shandong University, has developed deep cryogenic container processing technology using the international plasma arc + filler wire tungsten inert gas arc welding (PAW-GTAW) technology. After being appraised as a provincial-level scientific and technological achievement, the technology level has reached an international standard in the field of deep cryogenic container manufacturing.
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