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-nitrogen-argon tanks, and CO2 tanks; pressure vessel products like 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 modular units. Planned products include large-scale energy centers, LNG transport vehicles, LNG tank containers, and other green energy equipment.
Common faults of gas boiler burners and their solutions are as follows: 1. Lack of flame or unstable flame: Check if the gas supply is normal and ensure the gas valve is open. Clean the burner nozzle to ensure the passage is clear. Check if the ignition electrode is clean and free of carbon deposits or dirt. Adjust the gas-to-air ratio to ensure proper mixture. 2. Incomplete combustion or black smoke: Verify if the gas supply is sufficient and adjust the gas pressure. Clean the burner nozzle and combustion chamber to ensure the passage is clear. Adjust the gas-to-air ratio to ensure proper mixture. Check for carbon deposits or dirt in the burner and clean or replace damaged parts. 3. Difficulty or failure to ignite: Check if the ignition electrode is clean and free of carbon deposits or dirt. Adjust the position and gap of the ignition electrode to ensure normal spark generation. Check if the ignition transformer or controller is working properly, and repair or replace damaged parts. 4. Abnormal noise from the burner: Check if the gas supply is normal and ensure the gas valve is open. Inspect the burner and combustion chamber for loose parts and tighten or replace damaged parts. Clean the burner and combustion chamber to ensure no carbon deposits or dirt. If the above methods do not solve the problem, it is recommended to contact a gas boiler maintenance technician for inspection and maintenance. Additionally, to ensure safety, follow relevant safety operation procedures when using a gas boiler.

Industrial boiler thermal deaeration is a commonly used deaeration method, featuring: - Deaeration: Thermal deaeration involves heating the boiler feed water to release dissolved oxygen from the water using heat. As the water temperature increases during the thermal deaeration process, the solubility of oxygen decreases, allowing for effective removal of oxygen from the water. - No Chemicals Required: Unlike other deaeration methods, thermal deaeration does not require chemicals, thus avoiding environmental pollution and equipment corrosion caused by chemicals. It also reduces operating costs and complexity. - Automated Control: Thermal deaeration can be achieved through an automated control system, which adjusts the feed water temperature and flow rate based on the boiler's operating status and water quality to achieve optimal deaeration results. - Wide Application Range: Thermal deaeration is suitable for various types of industrial boilers, including coal-fired, gas-fired, and oil-fired boilers. Whether for small or large boilers, thermal deaeration can be used for deaeration treatment. - Improves Boiler Efficiency: Removing dissolved oxygen from the water reduces corrosion and oxidation reactions within the boiler, extending its lifespan. Additionally, reducing oxygen presence can enhance boiler thermal efficiency and reduce energy consumption. - Note: While thermal deaeration effectively removes oxygen from water, it may not address other water quality issues such as hardness and alkalinity. Therefore, in practical applications, it is necessary to consider the characteristics of water quality and the requirements of the boiler to select an appropriate deaeration method.

The inspection contents and requirements for gas boilers typically include the following aspects: Safety Valve and Pressure Gauge: Check the installation and fastening of the safety valve and pressure gauge to ensure proper operation and accurate pressure display. Combustion System: Inspect the operating status of the burner, including ignition, combustion, and combustion stability. Check the connections of the gas supply pipes and valves to ensure no leaks. Chimney and Heat Exchanger: Examine the cleanliness of the chimney and heat exchanger, for any accumulated dust and dirt, to ensure heat exchange efficiency and smoke emissions meet requirements. Water Level Control System: Check the operation of the water level controller and gauge to ensure accurate and reliable water level control, preventing excessive or insufficient water levels. Gas Supply System: Inspect the installation and connections of the gas supply pipes and valves to ensure normal gas supply and no leaks. Electrical System: Check the wiring and connections of the electrical system, including power supply, controllers, and sensors, to ensure normal operation of electrical equipment and avoid electrical failures. Safety Devices: Verify the operational status of safety devices, including safety valves, pressure switches, and temperature controllers, to ensure they operate properly and ensure the safe operation of the boiler. Records and Documents: Review the boiler's operating records, maintenance records, and inspection reports, ensuring the completeness and accuracy of the operation and maintenance records. Inspections of gas boilers should be conducted by qualified institutions or individuals, adhering to relevant laws, regulations, and standards. The frequency and specific requirements for inspections can be determined based on the boiler's usage and local regulations. Timely inspections and maintenance ensure the safe operation and performance of gas boilers.

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 rate to meet the boiler's water requirements. The flow rate depends on the boiler's rated evaporation capacity 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 fluid to a certain height. In industrial boilers, pumps need to have adequate head to ensure smooth flow to all parts of the boiler, including the feedwater 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 must be determined based on the flow rate and head to meet the system's needs. Efficiency: The efficiency of a pump is the ratio of the energy input to the energy of the output fluid. 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. Pumps should be able to run stably for long periods without being affected by external interference or fluctuations, and they 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. At the same time, the selection and operation of the pump must comply with relevant standards and regulations to ensure safe and reliable operation.
Our company highly values technological innovation and R&D design, boasting one municipal-level enterprise technology center in Heze City. We have established testing facilities for non-destructive testing, physical and chemical testing, welding testing, hydrostatic testing, and more. We are equipped with over 600 various instruments and 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. Our developed key products and technologies, such as welding for temperature and pressure vessels, biomass boiler emissions reduction, and waste heat utilization, have successively been shortlisted for multiple Shandong Provincial Department of Industry and Information Technology science and technology innovation projects, key provincial projects, and Heze City innovation and excellence projects. We have cumulatively obtained 27 authorized utility model patents, 16 authorized invention patents, participated in drafting 2 standards, 2 industry standards, and registered 15 trademarks. Our technical team, in collaboration with Professor Yajiang Li from Shandong University, has developed deep cryogenic vessel processing technology using the international plasma arc + filler wire tungsten inert gas arc welding (PAW-GTAW) technique. After provincial-level scientific and technological achievement appraisal, our technology level in deep cryogenic vessel manufacturing has reached international standards.
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