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: boiler, deep-freeze 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 staff, 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 Department 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.
For the maintenance of industrial gas-fired boilers, here are some common methods and precautions: - Clean the burner: Regularly clean the interior and nozzle of the burner to ensure normal combustion of the gas, and avoid carbon accumulation and blockage. - Inspect the gas supply system: Regularly check the gas supply system, including gas pipes, valves, and pressure regulators, to ensure normal gas supply without leaks or blockages. - Clean the flue and heat exchanger: Regularly clean the flue and heat exchanger to remove dust and dirt, maintain heat exchange efficiency, and avoid overheating and energy loss. - Check water level and pressure: Regularly inspect the boiler's water level and pressure to ensure safe operation within the specified range. Refill water and adjust pressure to avoid issues caused by low or high water levels. - Inspect safety devices: Regularly check the boiler's safety devices, including safety valves, pressure switches, and water level controllers, to ensure proper functioning and safe operation. - Check the control system: Regularly inspect the boiler's control system, including automatic controllers, sensors, and instruments, to ensure accuracy and reliability, and to promptly detect and repair faults. - Scheduled maintenance: Regularly perform maintenance to include lubricating parts, replacing worn components, and checking electrical connections, to extend the boiler's lifespan and stability. - Keep records: Record the boiler's operating parameters, maintenance records, and fault situations to help promptly identify issues and analyze operating conditions. - Train operators: Ensure that operators have sufficient

A gas thermal oil boiler is a device that uses gas as fuel to heat thermal oil through the heat energy produced by combustion. Here are some basic facts about gas thermal oil boilers: Working Principle: The working principle of a gas thermal oil boiler involves mixing gas with air, burning it to produce high-temperature flue gas. This flue gas is then passed through the flue and heat exchanger to exchange heat with the thermal oil, transferring heat energy to the thermal oil and raising its temperature. The thermal oil circulates within the boiler, transferring heat energy to the equipment or process that requires heating. Thermal Oil: The thermal oil used in gas thermal oil boilers is typically an organic heat carrier, such as mineral oil or synthetic oil. It has high thermal conductivity and stability, allowing it to operate stably at high temperatures and transfer heat energy to the heated equipment. Gas Combustion System: Gas thermal oil boilers are equipped with a gas combustion system, including burners, gas supply systems, and control systems. The burners mix gas with air and burn it to produce heat energy. The gas supply system provides gas and adjusts the supply amount as needed. The control system monitors and controls the gas combustion process to maintain a stable operating state. Safety Protection Devices: Gas thermal oil boilers are equipped with various safety protection devices to ensure safe operation of the equipment. Common safety protection devices include overheat protection, overpressure protection, and water level protection. They monitor and control the boiler's operating status to prevent equipment damage and safety accidents. Application Areas: Gas thermal oil boilers are widely used in industrial fields such as chemical, textile, food processing, and papermaking industries. They can provide stable high temperatures for various applications.

Steam boilers produce a certain amount of waste water during operation, which requires drainage treatment. Here are the general steps for steam boiler drainage: Preparation: Before draining, ensure that the steam boiler is turned off and the pressure inside the boiler has been reduced to a safe level. Open the Drain Valve: Locate the appropriate drain valve according to the design of the steam boiler and open it. The drain valve is typically found on the bottom or near the bottom of the boiler's drain pipe. Discharge Waste Water: Once the drain valve is open, waste water will flow out of the drain pipe. Depending on the situation, use a drain pump or gravity to discharge the waste water. Observe the Waste Water: During the drainage process, observe the color, turbidity, and odor of the waste water to determine if there are any abnormalities, such as sediment, impurities, or strange odors. Close the Drain Valve: Close the drain valve when the waste water has been fully discharged or the predetermined drainage target has been reached. Clean the Drain System: Regularly clean the drain system to prevent blockages or accumulations, ensuring the free flow of the drainage system. Note that the specific steps and frequency of steam boiler drainage may vary depending on the model, usage conditions, and operational requirements of the boiler. Therefore, it is advisable to refer to the boiler's operation manual or consult with experts when performing steam boiler drainage operations to ensure proper and safe procedures.

A thermal oil heater is a device that uses thermal oil as a heat medium to transfer heat energy produced by combustion or electric heating to the equipment or process requiring heating. The working principle of a thermal oil heater involves heating the thermal oil to a certain temperature and then circulating it through a pump to the heating equipment or process, transferring the heat energy to the heated object. The thermal oil exchanges heat with the heated object in a heat exchanger, raising the temperature of the object while cooling down the oil, which then returns to the furnace for reheating in a continuous cycle. The heat transfer process in a thermal oil heater primarily relies on the thermal conductivity of the oil. Thermal oil has high thermal conductivity, allowing for rapid transfer of heat energy to the heated object, achieving effective heating. Additionally, it boasts high thermal stability, enabling stable operation at high temperatures without decomposition or oxidation. A thermal oil heater typically consists of the furnace body, combustion system, flue gas system, heat exchanger, circulating pump, and control system. The furnace body is the main part of the heater, housing the thermal oil and combustion system. The combustion system is responsible for burning fuel to produce heat and heat the thermal oil. The flue gas system is used to exhaust the combustion gases. The heat exchanger is the device where the thermal oil exchanges heat with the heated object. The circulating pump is in charge of circulating the thermal oil back to the furnace for reheating. The control system monitors and controls the operation of the thermal oil heater to ensure safe and stable operation. Thermal oil heaters offer advantages such as high temperature control accuracy, fast heating speed, low energy consumption, and easy operation, and are widely used in industries like chemicals, textiles, food processing, papermaking, as well as in specialized heating processes.
Our company attaches great importance to technological innovation and R&D design, boasting one municipal-level enterprise technology center in Heze City. We have established test facilities for non-destructive testing,理化 analysis, welding, hydrostatic testing, and more, equipped with over 600 instruments and equipment such as CNC machine tools, X-ray flaw detectors, digital ultrasonic flaw detectors, mechanical property testing machines, chemical analyzers, spectrometers, tensile testing machines, and plasma welding machines. Our key products and technologies, including 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 innovation projects, Shandong Provincial key projects, and Heze City innovation and excellence projects. We have accumulated 27 authorized utility model patents, 16 authorized invention patents, participated in drafting 2 standards, 2 industry standards, and registered 15 trademarks. The company's technical team, in collaboration with Professor Yajiang Li of Shandong University, has developed deep cryogenic vessel processing technology using the international plasma arc+filling wire argon arc welding (PAW-GTAW) technique, which has been appraised at the provincial level and has reached international standards in the field of deep cryogenic vessel manufacturing.
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