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. The company 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, as a "Specialized and New Small Giant Enterprise" by the Ministry of Industry and Information Technology.
Switching from a conventional boiler to a gas boiler can significantly enhance energy efficiency and energy-saving effects. Here are some insights into the energy-saving efficiency of switching to a gas boiler: - High combustion efficiency: Gas boilers use gas as fuel and typically have higher combustion efficiency. Compared to traditional coal-fired or oil-fired boilers, gas boilers can achieve a higher level of combustion efficiency, reducing energy waste. - Low emissions: Gas boilers produce less exhaust emissions during combustion, causing less environmental pollution. The combustion technology and emission control devices used in gas boilers can effectively reduce the emissions of nitrogen oxides and other harmful substances. - Fast start and stop: Gas boilers have a quick start-up and shutdown, allowing for flexible adjustments based on actual needs. Compared to coal-fired boilers, gas boilers have shorter start-up and shutdown times, avoiding prolonged preheating and cooling processes, and reducing energy waste. - High thermal efficiency: Gas boilers generally have higher thermal efficiency, achieving a higher level of heat energy conversion. The heat exchange technology and energy-saving design used in gas boilers maximize the utilization of the heat energy from gas, improving heating performance. - Intelligent control and management: Gas boilers are often equipped with intelligent control systems that can automatically adjust operating conditions based on actual needs. Through precise control and regulation, gas boilers can achieve stable heating and avoid unnecessary energy waste. - It is important to note that switching to a gas boiler requires consideration of the reliability and safety of the gas supply, as well as the suitability and installation requirements of the gas boiler. It is recommended to consult with engineers or relevant institutions before making the conversion to ensure

Excessive exhaust gas temperature in a thermal oil boiler may be due to several reasons: Incomplete combustion: If the fuel is not fully combusted during the boiler's combustion process, it leads to a high concentration of unburned fuel and harmful substances in the flue gas, raising the exhaust gas temperature. Possible causes include insufficient fuel supply, improper adjustment of the burner, and burner wear. Excessive air: An excess of air can lower the combustion temperature, making the heat in the flue gas insufficient to reduce the flue gas temperature to a reasonable level. Causes of excessive air may include improper burner adjustment and excessively open air doors. Flue blockage: Accumulated ash, slag, or other impurities in the flue can obstruct the flow of flue gas, increasing the residence time of the flue gas and raising the exhaust gas temperature. Abnormal thermal oil flow: Abnormal thermal oil flow, either too high or too low, can lead to uneven heat transfer, increasing the flue gas temperature. Overheating of the boiler: Improper temperature control in the thermal oil boiler can cause overheating, raising the exhaust gas temperature. Design issues of the boiler: Design problems such as a small flue or poor flue gas flow can also lead to high exhaust gas temperature. To address the issue of high exhaust gas temperature, a comprehensive inspection and analysis of the thermal oil boiler is required. Solutions may include adjusting burner parameters, cleaning the flue, checking thermal oil flow and temperature control. In severe cases, boiler system modification or repair may be necessary. Additionally, regular maintenance and inspections are important preventive measures against high exhaust gas temperature.

To achieve sensitive and energy-efficient performance in gas-fired hot water boilers, the following measures can be taken: Regular maintenance and cleaning: Perform regular maintenance and cleaning of the gas-fired hot water boiler, including cleaning the burner, flue, and heat exchanger components. This ensures the efficiency of the combustion process and heat transfer, reducing energy waste. Intelligent control system: Install an intelligent control system that regulates temperature and pressure to automatically adjust and optimize the operation of the gas-fired hot water boiler. The intelligent control system can adjust the burner's operating status based on actual demand, avoiding excessive heating and energy waste. Energy-saving equipment and technology: Implement energy-saving equipment and technology, such as heat recovery units and flue gas waste heat utilization systems. These equipment and technologies can recover and utilize the excess heat in the flue gas emitted by the boiler, enhancing energy utilization efficiency. Water quality management: Manage the water quality of the gas-fired hot water boiler appropriately to prevent the accumulation of scale and dirt. Scale and dirt reduce the heat transfer efficiency of the heat exchanger and increase energy consumption. Regular water quality testing and treatment help maintain clean water quality, improving the boiler's energy efficiency performance. Good insulation and sealing: Ensure that the boiler has good insulation and sealing properties. The selection and maintenance of insulation materials, as well as the sealing of pipes and valves, can reduce heat loss and improve the boiler's energy efficiency performance. Regular monitoring and optimization: Regularly monitor the operating conditions of the gas-fired hot water boiler and analyze energy consumption and efficiency indicators. Based on the monitoring results, make optimization adjustments to improve the boiler's energy efficiency performance. By applying a comprehensive set of these measures, gas-fired hot water boilers can achieve sensitive energy efficiency, enhancing energy utilization.

If there's an issue with the thermal oil furnace circulating pump, follow these steps for troubleshooting: - Shut down and inspect: First, halt the thermal oil furnace's operation and disconnect the power source. Check for any obvious signs of failure in the pump, such as unusual noises, oil leaks, or leaks. Inspect the motor for proper operation and for any abnormal heat generation. - Clean the pump body: If sediment or impurities are found, clean the pump body. Use appropriate tools and cleaning agents to remove dirt and blockages inside the pump. Exercise caution to avoid damaging the pump body. - Check pump connections: Inspect the pump's connections, including inlet and outlet pipes, valves, and seals. Ensure connections are tight, valves operate smoothly, and seals are intact. Repair or replace any loose or damaged parts promptly. - Inspect the pump motor: Check the motor for normal operation, any abnormal noises, or heating. Inspect the power lines and control system of the motor to ensure proper power supply and correct control signals. - Check the lubrication and cooling system: Ensure the pump's lubrication and cooling system are functioning properly. Check the supply of lubricating oil or grease, and inspect the circulation and temperature control of cooling water or coolant. - Adjust pump parameters: Depending on the situation, you may need to adjust pump parameters such as flow rate and head. Adjust the pump's speed or valve opening according to equipment requirements and operating conditions to meet the thermal oil furnace's energy needs. - Seek repair if necessary: If these steps do not resolve the issue or if further repair and inspection are needed, it is recommended to seek repair services. Contact a repair technician or manufacturer's technical support for further troubleshooting and repairs. - Safety is paramount: When dealing with thermal oil furnace circulating pump issues, always prioritize safe operation and follow relevant operational procedures and safety requirements. If unsure about how to proceed or if there are safety concerns, seek assistance immediately.
Our company highly values technological innovation and R&D design. We possess 1 city-level enterprise technology center in Heze City, with facilities for non-destructive testing, physical and chemical testing, welding testing, hydrostatic testing, etc. We are equipped with over 600 pieces of various equipment such as 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 we have developed, including temperature and 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 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 + wire filling tungsten inert gas arc welding (PAW-GTAW) technique, which has been appraised as reaching international standards in the field of deep cryogenic vessel manufacturing at the provincial level.
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