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-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 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.
The main benefits of installing expansion tanks in a thermal oil furnace are as follows: - Alleviate thermal expansion and contraction: During operation, the thermal oil furnace experiences thermal expansion and contraction due to temperature changes. The expansion tank provides 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 it. - Protect equipment and pipes: The expansion tank absorbs the expansion and contraction of the thermal oil, reducing shock and vibration on equipment and pipes. This helps extend the lifespan of equipment and pipes, reducing the frequency of maintenance and replacements. - Reduce leakage risk: The expansion tank provides a sealed space, minimizing the risk of thermal oil leakage. When the thermal oil expands, excess oil can be accommodated through the expansion tank, preventing leaks and environmental pollution. - Facilitate maintenance and repairs: The presence of an expansion tank makes it easier to maintain and repair the thermal oil furnace system. When equipment or pipes need to be repaired or replaced, the flow and shutdown of the thermal oil can be controlled through the expansion tank, reducing downtime and maintenance difficulty. In summary, the expansion tank plays a role in alleviating thermal expansion and contraction, protecting equipment and pipes, reducing leakage risk, and facilitating maintenance and repairs in the thermal oil furnace system. It is an important design element that contributes to the safety and reliability of the thermal oil furnace system.

The purpose of deoxygenation in industrial boiler make-up water is to reduce oxygen corrosion and bubble formation within the boiler, ensuring the safety and normal operation of the boiler and pipeline systems. The main methods of deoxygenation include: 1. Mechanical Deoxygenation: This involves physically removing oxygen from the water. Common mechanical deoxygenation equipment includes deaerators and degassers. Deaerators remove oxygen by spraying water into a thin film, utilizing the difference in solubility between gases to extract oxygen. Degassers do the same by atomizing water into tiny droplets. 2. Thermal Deoxygenation: This method uses the property of oxygen solubility decreasing with temperature to remove oxygen from water. Common thermal deoxygenation equipment includes deaerating pots and deaerators. Deaerating pots release oxygen from water by heating it to saturation temperature. Deaerators remove oxygen by heating the water, taking advantage of the reduced solubility of oxygen. 3. Chemical Deoxygenation: This involves adding chemicals to react with the oxygen in the water, thereby removing it. Common chemical deoxygenating agents include salts and reductants. Chemical deoxygenation is often used in high-pressure boiler systems and can effectively remove oxygen from water. The choice of deoxygenation method and its application depend on the specific boiler system and water quality. In practice, a combination of deoxygenation methods is often used to achieve optimal results. The selection and operation of deoxygenation equipment must be assessed and adjusted based on the actual situation to ensure the safety and normal operation of the boiler system.

Selecting the appropriate gas steam boiler requires considering the following factors: - Steam Demand: First, determine your steam requirements, including steam pressure and capacity. Select a boiler with the appropriate rated evaporation capacity and steam pressure to ensure it meets your production or heating needs. - Fuel Type: Gas steam boilers utilize gas as fuel, with common types including natural gas, LPG, etc. Choose a suitable fuel type based on available resources and costs. - Boiler Efficiency: Boiler efficiency directly impacts energy utilization and operational costs. Opt for a high-efficiency gas steam boiler to reduce energy consumption and running costs. Pay attention to the boiler's thermal and combustion efficiencies. - Boiler and Manufacturer Quality: Select a gas steam boiler from a reputable manufacturer to ensure product quality and reliability. Understand the manufacturer's production capacity, after-sales service, and technical support before choosing a reliable supplier. - Safety and Environmental Friendliness: Focus on the safety and environmental performance of the boiler. Ensure the boiler has necessary safety protection devices and monitoring systems, as well as a combustion system that meets environmental standards to minimize environmental impact. - Cost-effectiveness: In addition to purchase cost, consider the boiler's operational and maintenance costs. Consider the overall energy consumption and cost efficiency of the boiler.

When installing a gas boiler system, the following points should be noted: Safety: A gas boiler is a device that uses gas as fuel, so safety must be ensured during installation. Firstly, choose an appropriate installation location, away from flammable materials and combustible gases, and ensure good ventilation. Secondly, install according to relevant safety regulations, including the connection of gas pipes and the installation of gas valves. Pipe Connection: The gas boiler needs to be connected to the gas pipeline to ensure a smooth gas supply. During the connection process, use appropriate pipes and joints to ensure a firm connection and prevent gas leaks. At the same time, conduct a leak test to ensure there are no leaks. Exhaust Duct: During the combustion process, gas boilers produce exhaust gas, requiring a suitable exhaust duct. The exhaust duct must be kept clear to avoid the accumulation of exhaust gas indoors, which can pose safety hazards and cause air pollution. Electrical Connection: Gas boilers typically require electrical power, so electrical connections must be made during installation. Ensure the electrical connections are correct and secure to prevent circuit short-circuit or other electrical issues. Water System: Gas boilers usually need to be connected to the water system, including water supply and drainage pipes. During the connection process, ensure the water pipes are securely connected to prevent leaks or unstable water pressure. Commissioning and Testing: After installation, the gas boiler should be commissioned and tested. This includes ignition tests, combustion effect tests, and temperature control tests to ensure the boiler operates normally and is safe and reliable. It is recommended to follow relevant installation specifications and requirements when installing a gas boiler system. If you do not have the relevant technical knowledge, it is best to have a qualified installer perform the operation to ensure a safe and reliable installation process.
Our company highly values technological innovation and R&D design. We possess 1 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 welding for 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 science and 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 of Shandong University, has developed deep cryogenic container processing technology using the international plasma arc + filler wire tungsten inert gas arc welding (PAW-GTAW) technique. The provincial-level 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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