Shandong Zhongjie Special Equipment (formerly Heze Boiler Factory Co., Ltd.) was established in 2001, located at No. 2218 Jinnan Road, 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 containers, pressure vessels, central air conditioning, engineering installation, international trade, and 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 engineering and technical staff and 82 intermediate-level technicians. Recognized as a "High-tech Enterprise" by the Science and Technology Department in December 2016, as a "Shandong Specialized and New Enterprise" by the Ministry of Industry and Information Technology in June 2021, as a "Shandong Gazelle Enterprise" in June 2022, and as a "Specialized and New Small Giant Enterprise" by the Ministry of Industry and Information Technology in August 2022.
The temperature control methods for gas boilers typically include: Manual Adjustment: The temperature of a gas boiler is controlled by manually operating valves or regulators. Adjust the valve opening or regulator settings as needed to reach the desired temperature. Automatic Adjustment: Gas boilers can be equipped with an automatic control system that uses sensors and controllers for temperature regulation. Sensors detect the boiler's temperature and send signals to the controller, which then automatically adjusts the gas supply and burner status to maintain the set temperature. Proportional Control: Temperature regulation in gas boilers can also be achieved through proportional control. Adjust the valve or regulator opening based on temperature changes for proportional regulation, ensuring a certain proportional relationship between gas supply and burner status and the temperature. PID Control: PID control is a commonly used temperature regulation method. The PID controller adjusts the gas supply and burner status based on temperature deviation, rate of change, and integral values to achieve temperature control. It should be noted that different gas boilers may employ different temperature control methods. The specific method and operation should be determined according to the boiler model and control system. When adjusting the temperature, follow safety operating procedures to ensure normal boiler operation and safety.

To optimize and improve the planning of gas boiler systems, consider the following aspects: 1. Energy Audit and Assessment: Conduct a comprehensive energy audit and assessment to understand the energy consumption of the gas boiler system and identify potential energy-saving opportunities. Through data analysis and energy measurement, determine the main sources of energy consumption and bottlenecks, providing a basis for subsequent optimization. 2. Combustion System Optimization: Optimize the combustion system of the gas boiler, including adjustments and cleaning of burners, control of the ratio of gas to air, and maintenance of the combustion chamber. Ensure high combustion efficiency and high gas utilization, reducing energy waste. 3. Heat Recovery Utilization: Consider installing heat recovery devices such as waste heat recovery units or flue gas heat exchangers. These devices can utilize the excess heat from the flue gas emitted by the gas boiler to heat water or other equipment requiring heat, enhancing energy efficiency. 4. Pipe Insulation and Leak Inspection: Ensure that the insulation of gas and hot water pipes is effective to reduce energy loss. Regularly inspect for pipe leaks and repair them promptly to avoid energy waste and safety hazards. 5. Control System Upgrade: Consider upgrading the control system of the gas boiler to adopt automated control technology. Through precise control and adjustment, achieve optimal operation of the gas boiler.

When designing a fuel-gas boiler room, the following points should be considered: Safety Considerations: Ensure the design of the boiler room complies with relevant safety standards and regulations. Account for fire risks and install appropriate firewalls, fire doors, and fire isolation facilities. Ensure good ventilation in the boiler room, and set up suitable ventilation equipment and flue systems to expel harmful gases produced by combustion. Space and Layout: Plan the space and layout of the boiler room according to the number and size of the boilers. Ensure there is enough space for operation, maintenance, and cleaning. Arrange the placement of boilers, fuel storage equipment, flue systems, and piping for ease of operation and maintenance. Fuel Supply and Storage: Consider the requirements for fuel supply and storage. Ensure the safety and reliability of fuel supply pipelines and equipment to prevent leaks and contamination. Plan the capacity and location of fuel storage equipment reasonably to ensure an adequate fuel supply and compliance with relevant safety requirements. Emission and Exhaust Gas Treatment: Consider the emission and treatment of exhaust gases produced by combustion. Install appropriate flue systems and exhaust gas treatment equipment to minimize the impact of emissions on the environment. Ensure the design and layout of the flue system are reasonable and can effectively expel smoke and exhaust gases. Control and Monitoring Systems: Design appropriate control and monitoring systems to ensure the safety and operation of the boiler. This includes monitoring and control equipment for parameters such as temperature, pressure, and flow, as well as alarm and automatic shutdown devices. Ensure operators can promptly understand the operating status of the boiler and take appropriate actions.

The key to maintaining a hot water boiler is regular maintenance and inspections. Here are some common maintenance steps and precautions: - Clean the burner and flue: Regularly clean the burner and flue to remove accumulated ash and dirt, maintaining combustion and heat exchange efficiency. Use cleaning tools and equipment as per the operation manual. - Check water level and pressure: Regularly inspect the water level and pressure of the hot water boiler to ensure safe operation within the specified range. Top up water and adjust pressure to avoid issues caused by either low or high water levels. - Inspect water quality: Conduct regular water quality tests to check hardness, alkalinity, oxygen content, and other indicators. Take appropriate water treatment measures based on test results, such as descaling and replenishing missing chemicals, to prevent scale and corrosion damage to the boiler. - Check safety devices: Regularly inspect the safety devices of the hot water boiler, including safety valves, pressure switches, and level controllers, to ensure proper functioning and guarantee safe boiler operation. - Inspect the electrical system: Regularly check the electrical system of the boiler, including power connections, controllers, and sensors, to ensure the proper operation of electrical equipment and prevent electrical faults. - Regularly drain: Regularly drain waste water and impurities from the boiler to avoid their impact on the boiler. Develop a reasonable drainage plan based on the boiler's usage and water quality conditions. - Keep records and monitor: Record the boiler's operating parameters, maintenance records, and fault situations, and regularly monitor and analyze them to identify and address issues promptly. - Train operators: Ensure that operators are adequately trained.
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. Our key products and technologies, such as thermal 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 innovation projects, Shandong Provincial key projects, and Heze City innovation and excellence 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, 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 (PAW-GTAW) welding technology, which has been appraised as reaching international standards in the field of deep cryogenic container manufacturing at the provincial level.
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