Shandong Zhongjie Special Equipment (formerly Heze Boiler Factory Co., Ltd.) was established in 2001, located at No. 2218 Jinnan Road, Economic and Technological Development Zone, Heze City. With a registered capital of 50 million yuan and total assets of 500 million yuan, the company has 7 business centers: boilers, deep-freezing vessels, pressure vessels, central air conditioning, engineering installation, international trade, and the Internet of Things. It has three factory sites on Jinnan Road, East Changjiang Road, and Bohai Road, covering a total of 200,000 square meters, with the main workshop spanning 83,000 square meters. It currently employs 710 people, including 247 engineers and technicians, and 82 intermediate-level technicians. In December 2016, it was recognized as a "High-tech Enterprise" by the Science and Technology Department. In June 2021, it was identified as a "Specialized and New Enterprise in Shandong Province" by the Ministry of Industry and Information Technology. In June 2022, it was recognized as a "Gazelle Enterprise in Shandong Province" and in August 2022, it was identified as a "Specialized and New Small Giant Enterprise" by the Ministry of Industry and Information Technology.
When operating a gas boiler, there are three important points to keep in mind: 1. Safe Operation: A gas boiler is a thermal energy device, and safety must be a priority. First, ensure that the operator has the relevant skills and knowledge, understanding the boiler's working principle and operating procedures. Second, strictly prohibit storing flammable materials around the boiler and maintain good ventilation. Additionally, regularly inspect and maintain the safety valve, pressure gauge, and other safety devices to ensure they function properly. 2. Proper Gas Supply Adjustment: The combustion of a gas boiler requires an appropriate amount of gas supply. During operation, adjust the gas supply according to actual needs to ensure stable combustion. At the same time, regularly check the sealing of the gas pipeline and valves to prevent gas leaks. 3. Regular Maintenance and Cleaning: Regular maintenance and cleaning of a gas boiler are crucial for maintaining proper operation and extending its lifespan. Regularly inspect all components of the boiler, clean the burner, flue, and heat exchanger to remove dust and dirt, ensuring efficient heat transfer and combustion. Moreover, regularly replace filters and clean water treatment equipment to ensure clean water quality and prevent scale and corrosion. It should be noted that these three points are only basic operational guidelines, and specific operational and maintenance requirements may vary depending on the model and specifications of the gas boiler. Therefore, it is advisable to refer to the boiler's operation manual or consult with experts before operating a gas boiler to ensure correct and safe operation.

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 should comply with relevant standards and specifications, and possess characteristics such as high-temperature resistance, pressure resistance, and corrosion resistance. Valve Installation: Valves should be installed correctly at the corresponding positions on the steam boiler. During installation, ensure that the connections are secure and the seals are reliable to prevent leaks and loosening. Valve Operation: The operation of the valve should be convenient, flexible, and capable of accurately controlling steam flow and pressure. The handle or device should indicate the direction of opening and closing, as well as the corresponding operation methods. Valve Sealing: The sealing performance of the valve is crucial. Valves should have good sealing properties to prevent steam leaks and energy loss. The sealing surface 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 the valves, checking the sealing surfaces, lubricating moving parts, and promptly repairing or replacing damaged components. Safety Valve: A safety valve must be installed on the steam boiler to protect its safe operation. The safety valve should comply with relevant standards and specifications and be capable of automatically opening and releasing overpressure steam when the pressure exceeds the set value, preventing boiler explosions. Valve Identification: Valves should be marked with their type, specification, working pressure, and flow rate information. This helps operators correctly identify and operate the valves, avoiding incorrect operations and accidents. It should be noted that the above safety requirements are general guidelines, and specific safety requirements should be determined based on 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 the valves.

The necessity of flow control in thermal oil heaters is mainly reflected in the following aspects: Thermal energy transfer efficiency: The efficiency of thermal energy transfer in thermal oil heaters is closely related to the flow rate of the thermal oil. An appropriate flow rate of thermal oil ensures that thermal energy is fully transferred in the heat exchanger, improving the efficiency of energy utilization. An excessively low flow rate may result in insufficient heat exchange and affect the thermal energy transfer effect; an excessively high flow rate will increase energy consumption and operating costs. Temperature control: The flow control of thermal oil heaters is also closely related to temperature control. By adjusting the flow rate of 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 lead to excessively high temperatures, while an excessively high flow rate may cause temperatures to drop too low, both affecting the normal operation of the equipment. System stability: An appropriate flow rate of thermal oil can enhance system stability. Through flow control, the supply and demand of thermal energy can be balanced, avoiding overheating or undercooling and maintaining stable system operation. Stable operation helps to extend the service life of the equipment and reduce the frequency of failures and repairs. Safety: The flow control of thermal oil heaters is also closely related to safety. Appropriate flow control can prevent excessive accumulation of thermal oil in the system, reducing the risk of leaks and explosions. Additionally, flow control can ensure that the system pressure remains within a safe range, avoiding overpressure and other safety issues. In summary, flow control in thermal oil heaters is necessary for improving thermal energy 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.

The management system for gas conduction oil furnace equipment incidents primarily includes the following aspects: 1. Equipment Safety Management System: Establish and improve the safety management system for gas conduction oil furnace equipment, define responsibilities and authorities, and ensure the safe operation of the equipment. This includes safety operation procedures, emergency response plans, equipment inspection and maintenance schedules, etc. 2. Equipment Maintenance Management System: Establish an equipment maintenance management system, define equipment maintenance responsibilities and plans. This includes regular equipment inspections, maintenance, and repairs to ensure normal and safe operation of the equipment. 3. Equipment Operation Management System: Establish an equipment operation management system, define operation procedures and requirements. This includes start-up, shutdown, adjustment, and monitoring processes to ensure the safety and operation of the equipment. 4. Equipment Incident Management System: Establish an equipment incident management system, define incident reporting, investigation, and handling procedures. This includes incident reporting requirements, responsibility追究, root cause analysis, and improvement measures to reduce incidents and minimize losses. 5. Equipment Training and Assessment System: Establish a training and assessment system for equipment operators to ensure they possess the necessary skills and knowledge. This includes equipment operation training, safety training, and technical training, with regular assessments and evaluations of operators. 6. Equipment Record and Management System: Establish an equipment record and management system to document equipment operation, maintenance, and incident records. This includes equipment record management, maintenance record completion and preservation, and incident record organization and analysis for equipment management and issue tracing. The above are some basic contents of the management system for gas conduction oil furnace equipment incidents. Specific management systems should be formulated and improved based on actual conditions. At the same time, relevant laws, regulations, and standards must be followed to ensure the safety and environmental performance of the equipment.
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 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 welding of temperature and pressure vessels, biomass boiler emission reduction, and waste heat utilization, have successively been selected for multiple Shandong Provincial Department of Industry and Information Technology scientific and technological innovation projects, Shandong Provincial key projects, and Heze City innovative and excellent projects. We have accumulated 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 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 the provincial-level scientific and technological achievement evaluation, the technology level has reached an international standard in the field of deep cryogenic container manufacturing.
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