Shandong Zhongjie Special Equipment (formerly Heze Boiler Factory Co., Ltd.) holds an A-grade boiler manufacturing license, A2-grade pressure vessel manufacturing license, A2-grade pressure vessel design license, B-grade boiler installation license, GB2 and GC2 class pressure pipeline installation licenses, and equipment and machinery installation contracting qualifications. It is a member of the China Boiler and Water Treatment Association, the China Chemical Equipment Association, and the Council Member of the Shandong Equipment Manufacturing Association. The company has also passed the ISO9001 Quality Management System, ISO14001 Environmental Management System, OHSAS18001 Occupational Health and Safety Management System certifications, and the ASME/U2 certification.
Steam boiler energy saving is an urgent mission, for the following reasons: Energy Consumption: Steam boilers typically use fuel to produce steam, and the consumption of fuel directly impacts energy usage. With the increasing scarcity of energy resources and rising energy prices, energy saving has become a crucial task. Environmental Protection: The emissions and smoke from fuel combustion pollute the environment, including air pollution and greenhouse gas emissions. By reducing fuel consumption through energy saving, the impact on the environment and carbon emissions can be minimized. Economic Benefits: Energy saving can lower energy consumption and operational costs, enhancing energy utilization efficiency. By implementing energy-saving measures, companies can reduce energy expenses and improve economic benefits. Sustainable Development: Energy saving is a vital component of sustainable development. By reducing energy consumption, the lifespan of energy resources can be extended, providing more energy reserves for future development. Legal and Regulatory Requirements: Many regions have established laws, regulations, and policies on energy conservation and emission reduction, requiring companies to adopt energy-saving measures and reduce energy consumption and environmental pollution. Therefore, steam boiler energy saving is an urgent task. By implementing effective measures, energy consumption can be reduced, environmental pollution minimized, economic benefits improved, and sustainable development achieved.

The flow rate standard for thermal oil in the oil pipes of a thermal oil furnace typically varies depending on specific application and equipment requirements, with no fixed, universal value. Generally, the flow rate of thermal oil within the pipes should be maintained within a reasonable range to ensure proper equipment operation and heat transfer efficiency. Excessive flow rate of thermal oil may lead to issues such as increased system pressure loss and pump power consumption, increased friction loss in pipes leading to energy loss, and increased system noise and vibration. On the other hand, a low flow rate of thermal oil can cause problems such as insufficient heat transfer affecting equipment efficiency, prolonged residence time in the pipes leading to oxidation and thermal decomposition, and the formation of carbon deposits in the pipes, increasing resistance and affecting fluid flow. Therefore, when designing and operating a thermal oil furnace system, it is necessary to consider specific equipment parameters, the properties of the thermal oil, and pipeline layout, among other factors, to determine an appropriate flow rate. Typically, the flow rate of thermal oil should be between 0.5-2.0 m/s, but the exact figures should be adjusted and optimized based on实际情况. In practice, the flow rate can be controlled by monitoring and adjusting the pump flow and pipeline resistance to meet the equipment's heat energy needs and operational requirements.

Key benefits of installing expansion grooves in thermal oil heaters include: - Alleviating thermal expansion and contraction: During operation, thermal oil heaters experience thermal expansion and contraction due to temperature changes. The expansion grooves provide space for the thermal oil to expand, mitigating the impact of thermal expansion and contraction on equipment and pipes, and preventing stress concentration and equipment deformation caused by these effects. - Protecting equipment and pipes: The expansion grooves absorb the expansion and contraction of the thermal oil, reducing shock and vibration on equipment and pipes. This helps extend the service life of both equipment and pipes, reducing the frequency of maintenance and replacements. - Reducing leakage risks: The expansion grooves provide an enclosed space, reducing the risk of thermal oil leakage. When the thermal oil expands, excess oil can be accommodated through the expansion grooves, preventing leaks and environmental pollution. - Facilitating maintenance and repairs: The presence of expansion grooves makes it easier to maintain and repair the thermal oil heater system. When repairs or replacements of equipment and pipes are needed, the flow and shutdown of thermal oil can be controlled through the expansion grooves, reducing downtime and the difficulty of maintenance. -In summary, the expansion grooves in thermal oil heaters play a role in alleviating thermal expansion and contraction, protecting equipment and pipes, reducing leakage risks, and facilitating maintenance and repairs. They are an important design element that contributes to the safety and reliability of the thermal oil heater system.

A condensing steam boiler is an energy-saving boiler equipment with the following working principles 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, improving the efficiency of heat utilization and saving energy consumption. Low Emission: Due to the recovery of most of the heat during the flue gas condensation process, the flue gas temperature is lower, resulting in lower emissions of pollutants, which has a smaller impact on the environment. Compact Structure: The condensing steam boiler typically uses a compact structural design, occupying less space, making it suitable for places with limited space. Fast Startup: The condensing steam boiler features rapid startup and shutdown, allowing for flexible adjustments and operation based on 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 factories, etc. It is important to note that maintenance and regular cleaning of the condenser and flue gas reuse unit are necessary during the operation of the condensing steam boiler to ensure its normal and efficient operation.
Our company places great importance on technological innovation and R&D design. We possess 1 municipal enterprise technology center in Heze City, with testing facilities for non-destructive testing, physical and chemical experiments, welding tests, hydrostatic tests, etc. We are equipped with 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, and more. The key products and technologies we have developed, such as temperature-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 Science and Technology Innovation projects, key projects of Shandong Province, 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. The technical team of our company, in collaboration with Professor Yajiang Li of Shandong University, has jointly developed deep cryogenic container processing technology, which employs the international plasma arc + filled wire argon arc welding (PAW-GTAW) technology. The provincial scientific and technological achievement assessment has determined that the technology level in deep cryogenic container manufacturing has reached an international standard.
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