Shandong Zhongjie Special Equipment (formerly Heze Boiler Factory Co., Ltd.) holds an A-grade boiler manufacturing license, an A2-grade pressure vessel manufacturing license, an A2-grade pressure vessel design license, a B-grade boiler installation license, and GB2/Class GC2 pressure pipeline installation licenses, as well as a qualification for electromechanical equipment installation contracts. It is a member of the China Boiler and Water Treatment Association, the China Chemical Equipment Association, and a council member of the Shandong Equipment Manufacturing Association. The company has also passed certifications for the ISO9001 Quality Management System, ISO14001 Environmental Management System, OHSAS18001 Occupational Health and Safety Management System, and the American ASME/U2 certification.
The Zhongjie Portable Thermal Oil Heater is a common industrial thermal energy equipment featuring the following product characteristics: High thermal efficiency: The Zhongjie Portable Thermal Oil Heater employs advanced combustion technology and heat exchanger design, effectively transferring the heat energy generated by fuel combustion to the thermal oil, achieving energy utilization and improving thermal efficiency. Stable and reliable: The materials used and precise manufacturing process of the heater ensure excellent high-temperature resistance and stable operation, capable of long-term stable operation with high reliability. Temperature control: The Zhongjie Portable Thermal Oil Heater is equipped with a temperature control system that can monitor and adjust the temperature of the thermal oil in real-time, ensuring temperature accuracy and stability during the process. Safety protection: The heater is equipped with multiple safety protection devices such as overheat protection, pressure protection, and burner fault protection, effectively preventing accidents. Additionally, the heater uses clean combustion technology, emitting minimal combustion by-products and being environmentally friendly. Easy operation: The Zhongjie Portable Thermal Oil Heater features an intelligent control system with a user-friendly interface and easy parameter adjustment, making operation simple and reducing operational difficulty and labor costs. Overall, the Zhongjie Portable Thermal Oil Heater is characterized by stability, reliability, and versatility, suitable for various industrial fields such as chemicals, textiles, and food processing, providing users with reliable thermal energy supply and process temperature control.

Safety requirements for steam boiler valves mainly include the following aspects: Valve Selection: Choose the appropriate type and specification of valves for steam boilers. Valves must comply with relevant standards and regulations, and possess characteristics such as high-temperature resistance, pressure resistance, and corrosion resistance. Valve Installation: Valves should be installed correctly in the corresponding positions on the steam boiler. During installation, ensure the connections are secure and sealed reliably to prevent leaks and loosening. Valve Operation: The operation of valves should be convenient, flexible, and capable of accurately controlling steam flow and pressure. Handles or devices should be labeled with the direction of opening and closing, as well as the corresponding operation methods. Valve Sealing: The sealing performance of valves is crucial. Valves should have good sealing properties to prevent steam leakage and energy loss. The sealing surfaces should be flat, smooth, and able to withstand high temperatures and wear. Valve Maintenance: Regularly inspect and maintain valves to ensure their normal operation and safety performance. This includes cleaning valves, inspecting sealing surfaces, lubricating moving parts, and promptly repairing or replacing damaged components. Safety Valves: Safety valves must be installed on steam boilers to protect their safe operation. Safety valves must comply with relevant standards and regulations and should automatically open when exceeding the set pressure, releasing over-pressured steam to prevent boiler explosions. Valve Identification: Valves should be marked with their type, specification, working pressure, and flow rate information. This aids operators in correctly identifying and operating valves, avoiding incorrect operations and accidents. It should be noted that the above safety requirements are general guidelines. Specific safety requirements must be determined according to the type, scale, and operating environment of the steam boiler. When using valves, follow relevant laws, regulations, and safety operation procedures to ensure the safe operation and effective control of valves.

The necessity of flow control in thermal oil heaters is primarily reflected in the following aspects: 1. Heat Transfer Efficiency: The heat transfer efficiency of thermal oil heaters is closely related to the flow rate of the thermal oil. An appropriate flow rate ensures that heat is fully transferred in the heat exchanger, improving the efficiency of heat utilization. An excessively low flow rate may lead to insufficient heat exchange and affect the heat transfer effect; conversely, an excessively high flow rate will increase energy consumption and operating costs. 2. Temperature Control: Flow control in thermal oil heaters 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. An excessively low flow rate may cause temperatures to rise too high, while an excessively high flow rate may cause temperatures to fall too low, both of which can affect the normal operation of the equipment. 3. System Stability: Appropriate flow rates of thermal oil can enhance system stability. Flow control helps balance the supply and demand of heat energy, avoiding overheating or underheating, and maintaining stable system operation. Stable operation contributes to extending the service life of the equipment and reducing the frequency of failures and maintenance. 4. Safety: Flow control in thermal oil heaters is also closely related to 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 system pressure remains within safe limits, avoiding overpressure and other safety issues. In summary, flow control in thermal oil heaters is necessary for improving heat transfer efficiency, temperature control, system stability, and safety. Through reasonable flow control, the operation of thermal oil heaters can be optimized, energy utilization efficiency can be increased, operating costs can be reduced, and the safety and stable operation of the equipment can be ensured.

A condensing steam boiler is an energy-saving boiler equipment, with the following working principle and features: Working Principle: - Steam Generation: The condensing 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), releasing heat from the steam and condensing it back into water. - Flue Gas Reuse: The flue gas after condensation still contains a certain amount of heat, which can be recovered and reused by the flue gas reuse unit to improve the boiler's thermal efficiency. Features: - Energy Saving: The condensing 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 recovery of most of the heat during the flue gas condensation process, the flue gas temperature is lower, resulting in a reduced emission of pollutants and a smaller environmental impact. - Compact Structure: The condensing steam boiler typically features a compact structural design, occupying less space, making it suitable for places with limited space. - Fast Startup: The condensing steam boiler has the characteristics of fast startup and shutdown, allowing for flexible adjustments and operation according to actual needs. - Wide Application Range: The condensing steam boiler is suitable for heating and steam requirements in industrial production processes, such as power plants, chemical factories, textile mills, etc. It should be noted that proper maintenance and care are required for the condensing steam boiler during use to ensure its normal operation and performance, including regular cleaning of the condenser and flue gas reuse unit.
Our company attaches great importance to technological innovation and R&D design. We have one municipal-level enterprise technology center in Heze City, equipped with non-destructive testing, physical and chemical testing, welding testing, hydrostatic testing, and other testing facilities. We have 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, etc. The key products and technologies we have developed, such as temperature and pressure vessel welding, biomass boiler emission reduction, and waste heat utilization, have successively been shortlisted for multiple Shandong Provincial Department of Industry and Information Technology science and technology innovation projects, Shandong Province key projects, and Heze City innovation and excellence projects. We have cumulatively obtained 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 Li Yajiang of 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, our technology level has reached an international standard in the field of deep cryogenic container manufacturing.
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