Shandong Zhongjie Special Equipment (formerly Heze Boiler Factory Co., Ltd.) was established in 2001, located at No. 2218 Jinnan Road, Economic and Technological Development Zone, Heze City. With a registered capital of 50 million yuan and total assets of 500 million yuan, the company has seven business centers: boilers, deep-freezing vessels, pressure vessels, central air conditioning, engineering installation, international trade, and Internet of Things. It has three factory sites on Jinnan Road, East Yangtze Road, and Bohai Road, covering a total of 200,000 square meters. The main workshop spans 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 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.
A condensing steam boiler is an energy-saving boiler equipment, with the following working principle 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 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 fully utilize the heat in the steam, enhancing thermal energy utilization efficiency 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 relatively low emissions of pollutants, with minimal environmental impact. - Compact Structure: The condensing steam boiler typically features a compact structural design, occupying less space, making it suitable for places with limited space. - Fast Startup: The condensing steam boiler has the characteristic of fast startup and shutdown, allowing for flexible adjustments and operation according to 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, and textile factories. It should be noted that maintenance and care are required for the condensing steam boiler during use. Regular cleaning of the condenser and flue gas reuse unit is essential to ensure proper operation and performance.

The inspection of heat-conducting oil boiler tube plates is to ensure the safe operation of the boiler and prevent potential issues. The following are general steps for inspecting heat-conducting oil boiler tube plates: Visual Inspection: Conduct a visual inspection to check for any obvious corrosion, cracks, deformation, or other anomalies on the surface of the tube plate. Pay special attention to checking for cracks or leaks at the welds and joints. Cleaning the Tube Plate: Clean the surface of the tube plate thoroughly to remove dirt and deposits for proper inspection. Ultrasonic Testing: Use an ultrasonic testing device to inspect the tube plate to detect any possible cracks or other defects. Ultrasonic testing helps determine the integrity and reliability of the tube plate. Pressure Test: Perform a pressure test to verify the sealing and pressure resistance of the tube plate. Gradually increase the pressure during the test, observe for any leakage, and ensure the tube plate can withstand the designed pressure. Tube Plate Thickness Measurement: Use an ultrasonic thickness gauge to measure the thickness of the tube plate to ensure it meets design requirements. Pay particular attention to the corrosion condition of the tube plate, ensuring it remains within safe limits. Weld Inspection: Inspect the welds of the tube plate to ensure the quality of the welds meets relevant standards and specifications. Check the integrity of the welds, the quality of the weld, and whether the welding process meets requirements. Documentation and Reporting: Document and report the inspection results of the tube plate, including any issues found, corrective measures, and recommendations. These records and reports can serve as references for future maintenance and management. It is important to note that the inspection of heat-conducting oil boiler tube plates should be carried out by qualified personnel and strictly in accordance with relevant standards and specifications. If any issues or anomalies are detected, appropriate repair and maintenance measures should be taken promptly to ensure the safe operation of the boiler.

Steam boiler energy conservation 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 conservation has become a crucial task. Environmental Protection: The emissions and waste smoke from fuel combustion pollute the environment, including air pollution and greenhouse gas emissions. By reducing fuel consumption through energy conservation, the impact on the environment and carbon emissions can be minimized. Economic Benefits: Energy conservation 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 conservation 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, energy conservation for steam boilers is an urgent task. By implementing effective energy-saving measures, energy consumption can be reduced, environmental pollution can be minimized, economic benefits can be improved, and sustainable development can be achieved.

Chemical cleaning of industrial boilers is a common method that effectively removes dirt and sediments inside the boiler, enhancing heat exchange efficiency and extending the boiler's lifespan. Below are the general steps and methods for industrial boiler chemical cleaning: Preparation: Turn off the boiler's power and gas supply, drain the water and steam from the boiler, ensuring the boiler is in a safe condition. Prepare the necessary chemical cleaning agents and cleaning equipment. Cleaning Agent Selection: Choose a suitable chemical cleaning agent based on the boiler's material and the nature of the dirt. Common cleaning agents include acidic cleaners, alkaline cleaners, and chelating agents. Cleaning Agent Circulation: Dissolve the cleaning agent in an appropriate amount of water, then circulate it into the boiler using a pump. Determine the circulation time and temperature of the cleaning agent based on the boiler's size and the extent of dirt. Cleaning Agent Action: During circulation, the cleaning agent reacts chemically with the dirt inside the boiler, dissolving and decomposing it. Acidic cleaners can remove rust and scale, while alkaline cleaners can remove grease and organic matter. Rinsing and Neutralizing: After the cleaning agent circulation is complete, rinse the boiler with clean water to flush out the cleaning agent and dissolved dirt. Simultaneously, use a neutralizer to neutralize any remaining acidic or alkaline substances, ensuring the boiler's neutrality. Inspection and Maintenance: After cleaning, inspect the boiler to ensure the cleaning effectiveness and normal operation. Perform necessary maintenance and upkeep as required. Points to Note When Conducting Industrial Boiler Chemical Cleaning: - Adhere strictly to the instructions and safety operating procedures for chemical cleaning agents to ensure the safety of operators. - Select the appropriate cleaning agent and method based on the boiler's material and the cleaning agent's properties. - Control the concentration, temperature, and circulation time of the cleaning agent to avoid unnecessary damage to the boiler. - Monitor the concentration and pH of the cleaning agent in a timely manner during the cleaning process, adjusting the cleaning conditions. - After cleaning, rinse the boiler to ensure the complete removal of cleaning agents and dirt. - Post-cleaning, promptly perform maintenance and upkeep on the boiler to ensure normal operation and long-term use.
Our company highly values technological innovation and R&D design. We have one city-level technical 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 types of 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 of 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 scientific and technological innovation projects, key projects of Shandong Province, and Heze City innovation and excellence projects. We have accumulated a total of 27 authorized utility models, 16 authorized inventions, 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 developed deep cryogenic vessel processing technology using the international plasma arc + filler wire tungsten inert gas arc welding (PAW-GTAW) technology. The provincial-level scientific and technological achievement identification shows that the technology level has reached an international standard in the field of deep cryogenic vessel manufacturing.
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