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 such as 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.
Steam boiler equipment water treatment refers to the process of treating water in steam boilers to ensure normal operation and extend the lifespan of the equipment. Below is basic knowledge about steam boiler equipment water treatment: Water Quality Requirements: The water quality in steam boilers is of high standard, usually requiring the removal of impurities, dissolved oxygen, and hardness substances. Impurities and hardness substances can lead to scaling and corrosion on the boiler's inner walls, while dissolved oxygen can cause corrosion and the formation of bubbles. Removal of Impurities: Common methods for removing water impurities include sedimentation, filtration, and ion exchange. Sedimentation involves adding chemicals to make impurities settle, filtration removes impurities through filtering media, and ion exchange uses resin to adsorb and exchange ions to remove impurities from the water. Adjusting Hardness: The hardness substances in water are mainly calcium and magnesium salts, which can cause scaling on the boiler's inner walls. Hardness can be adjusted by adding chemicals or using water softening equipment to prevent scaling issues. Removing Dissolved Oxygen: Dissolved oxygen can cause corrosion and the formation of bubbles. It can be removed by adding oxidizing agents or using deaeration equipment. Controlling pH Level: The pH level of water in steam boilers affects equipment corrosion and scaling. It is usually necessary to control the water pH within an appropriate range, using buffers or regulators to adjust the pH level. Regular Testing and Maintenance: Regular water quality testing of steam boiler equipment, including measuring hardness, dissolved oxygen, and pH levels, should be conducted. Appropriate water treatment measures and maintenance should be carried out based on the test results. Steam boiler equipment water treatment is a crucial aspect for ensuring normal boiler operation and extending equipment lifespan. Rational water treatment measures can effectively prevent scaling, corrosion, and malfunctions on the boiler's inner walls.

A gas boiler is a heating equipment that uses gas or similar gases as fuel. It generates heat by burning the gas, heating water into steam or hot water, and is used in heating, hot water supply, and industrial production fields. The working principle of a gas boiler involves mixing the gas with air, igniting it, and producing high-temperature combustion gases. These gases then transfer heat to the water through a heat exchanger, raising the water temperature. Gas boilers offer advantages such as environmental friendliness, safety, and are widely used in residential, commercial, and industrial applications.

The necessity of flow control in thermal oil furnaces is primarily reflected in the following aspects: 1. Heat Transfer Efficiency: The efficiency of heat transfer in thermal oil furnaces is closely related to the flow rate of the thermal oil. An appropriate flow rate ensures that heat is fully transferred within the heat exchanger, enhancing the efficiency of heat utilization. Insufficient flow can lead to inadequate heat exchange and affect the heat transfer effect, while excessive flow increases energy consumption and operating costs. 2. Temperature Control: Flow control in thermal oil furnaces is also closely related to temperature control. By adjusting the flow rate of the thermal oil, the temperature inside the furnace can be controlled, ensuring stable operation within the set working temperature range. Inadequate flow can cause temperatures to rise too high, and excessive flow can cause temperatures to fall too low, both impacting normal equipment operation. 3. System Stability: Appropriate thermal oil flow rates contribute to system stability. Flow control helps balance the supply and demand of heat energy, avoiding overheating or cooling, and maintaining stable system operation. Stable operation aids in extending the lifespan of equipment and reducing the frequency of malfunctions and repairs. 4. Safety: Flow control in thermal oil furnaces is also critical for safety. Proper flow control can prevent excessive accumulation of thermal oil in the system, reducing the risk of leaks and explosions. Additionally, flow control ensures that the system pressure remains within safe limits, avoiding overpressure and other safety issues. In summary, flow control in thermal oil furnaces is necessary for improving heat transfer efficiency, temperature control, system stability, and safety. Through reasonable flow control, the operation of thermal oil furnaces can be optimized, enhancing energy utilization efficiency, reducing operating costs, and ensuring safe and stable equipment operation.

To extend the service life of steam boilers, the following measures can be taken: Regular maintenance: Conduct regular maintenance on the boiler, including cleaning the burner, flue, and heat exchanger, inspecting and replacing worn parts, to ensure normal operation and efficiency. Water quality control: Maintain good water quality in the boiler to prevent scale and corrosion from damaging the boiler. Regularly test water quality and take appropriate water treatment measures based on test results, such as descaling and replenishing missing chemicals. Control the combustion process: Reasonably control the combustion process to ensure the normal operation and efficiency of the burner. Regularly inspect the working condition of the burner and adjust combustion parameters to avoid overheating or cooling issues. Regularly clean the flue and heat exchanger: Regularly clean the flue and heat exchanger to remove accumulated dust and dirt, maintain heat exchange efficiency, and avoid overheating and energy loss. Regularly inspect safety devices: Regularly inspect the safety devices of the boiler, including safety valves, pressure switches, and water level controllers, to ensure their normal operation and ensure safe boiler operation. Keep records and monitor: Record the operating parameters, maintenance records, and fault conditions of the boiler, regularly monitor and analyze them, and address problems and take corrective actions in a timely manner. Train operators: Ensure that operators have sufficient knowledge of boiler operation and maintenance, operate and maintain the boiler correctly, and avoid damage caused by operational errors and improper maintenance. Regularly carry out inspections: Based on the boiler's usage and the manufacturer's recommendations, regularly perform major repairs and inspections, replace aging components, and extend the service life of the boiler. These measures can help extend the service life of steam boilers; however, please note that for safety and effectiveness, maintenance and inspections should be performed by qualified personnel.
Our company attaches great importance to technological innovation and R&D design. We possess 1 municipal-level enterprise technology center in Heze City, with testing facilities for non-destructive testing, physical and chemical testing, welding testing, hydrostatic testing, etc. We are equipped with over 600 types of 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. The key products and technologies we have developed, such as temperature and pressure vessel welding, biomass boiler emission reduction, and waste heat recovery, have successively been selected for multiple Shandong Provincial Department of Industry and Information Technology science and technology innovation projects, Shandong Provincial key projects, and Heze City innovation and excellence projects. We have accumulated a total of 27 authorized utility models, 16 authorized inventions, 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 jointly developed deep cryogenic container processing technology, utilizing the international plasma arc + filler wire tungsten inert gas arc combination welding (PAW-GTAW) technology. After the provincial-level scientific and technological achievement appraisal, the technology level has reached an international standard in the field of deep cryogenic container manufacturing.
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