Shandong Zhongjie Special Equipment Co., Ltd. (formerly Heze Boiler Factory Co., Ltd.) was established in 2001, located at No. 2218 Jinan 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 container, pressure vessel, central air conditioning, engineering installation, international trade, and Internet of Things. It has three factory sites on Jinan Road, East Changjiang Road, and Bohai Road, covering a total area 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 middle-level technical personnel. In December 2016, it was recognized as a "High-tech Enterprise" by the Science and Technology Department. In June 2021, it was named a "Specialized and New Enterprise of Shandong Province" by the Ministry of Industry and Information Technology. In June 2022, it was identified as a "Gazelle Enterprise of Shandong Province" and in August 2022, it was recognized as a "Specialized and New Small Giant Enterprise" by the Ministry of Industry and Information Technology.
A gas heat transfer oil furnace is a device that uses gas as fuel and transfers heat energy through heat transfer oil. Its features include: High thermal efficiency: The gas heat transfer oil furnace uses heat transfer oil as the heat conduction medium, which has a high heat conduction efficiency. The heat transfer oil has high thermal conductivity and thermal stability, enabling rapid heat transfer and improving energy utilization efficiency. Temperature control: The gas heat transfer oil furnace can control the working temperature by regulating the gas supply and the circulation of heat transfer oil. Temperature control can meet various process and production requirements, enhancing production efficiency and product quality. Safety and reliability: The gas heat transfer oil furnace employs a closed-loop system, with the combustion process occurring in an enclosed environment, reducing the risk of gas leakage. Additionally, the heat transfer oil has a high flash point and ignition point, making the combustion process relatively safe and reliable. Flexibility: The gas heat transfer oil furnace is suitable for various industrial fields such as chemical, textile, and food processing. It can adapt to different process requirements and working conditions, offering strong flexibility. Environmental protection and energy saving: The gas heat transfer oil furnace emits relatively low amounts of exhaust during combustion, causing minimal environmental pollution. Due to its high thermal efficiency and temperature control, the furnace can save energy consumption and reduce energy costs. It is important to note that regular inspections and maintenance are required for the gas heat transfer oil furnace during use to ensure proper operation and extend its service life. Moreover, selecting the appropriate model and supplier of the gas heat transfer oil furnace is crucial to ensuring its features and performance.

Chemical cleaning of industrial boilers is a common cleaning method that effectively removes dirt and sediments inside the boiler, enhancing heat exchange efficiency and extending the boiler's lifespan. The following are general steps and methods for chemical cleaning of industrial boilers: Preparation: Turn off the power and gas supply to the boiler, drain the water and steam inside the boiler, and ensure the boiler is in a safe condition. Prepare the required 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, alkaline, and chelating agents. Cleaning Agent Circulation: Dissolve the cleaning agent in an appropriate amount of water and pump it into the boiler in a cyclic manner. Determine the circulation time and temperature of the cleaning agent based on the size of the boiler and the extent of the dirt. Cleaning Agent Action: During circulation, the cleaning agent reacts chemically with the dirt inside the boiler, dissolving and decomposing it. Acidic cleaning agents can remove rust and scale, while alkaline cleaning agents can remove grease and organic matter. Rinsing and Neutralization: After the cleaning agent circulation is complete, rinse the boiler with clean water to flush out the cleaning agent and dissolved dirt. At the same time, 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 the necessary maintenance and upkeep as required. When conducting chemical cleaning of industrial boilers, pay attention to the following points: Strictly follow the instructions for use and safety operating procedures for chemical cleaning agents to ensure the safety of the operators. Choose the appropriate cleaning agent and cleaning method based on the boiler's material and the properties of the cleaning agent. Control the concentration, temperature, and circulation time of the cleaning agent to avoid unnecessary damage to the boiler. Monitor the concentration and pH value of the cleaning agent in a timely manner during the cleaning process and adjust the cleaning conditions. Rinse the boiler after cleaning to ensure the complete removal of the cleaning agent and dirt. After cleaning, perform maintenance and upkeep on the boiler promptly to ensure its normal operation and long-term use.

Steam boiler blowdown devices mainly include the following types: Blowdown Valve: A blowdown valve is commonly installed on steam boilers to discharge wastewater and impurities inside the boiler. The valve is typically located at the bottom or side of the boiler, and by opening the valve, wastewater can be expelled from the boiler to maintain internal cleanliness. Blowdown Pump: For large steam boilers or situations requiring long-distance wastewater discharge, a blowdown pump may be used. The pump can extract wastewater from the boiler and transport it through pipes to designated discharge points. Automatic Blowdown System: Some steam boilers may be equipped with an automatic blowdown system. These systems can automatically discharge wastewater from the boiler based on pre-set time intervals or wastewater concentration, enhancing the efficiency and accuracy of blowdown. Wastewater Treatment Equipment: In certain special cases, steam boilers may require wastewater treatment equipment. These units process the discharged wastewater to remove impurities and pollutants, meeting environmental protection requirements. It is important to note that the selection and use of steam boiler blowdown devices should be determined according to the specific type, scale, and operating environment of the boiler. When using blowdown devices, relevant operational procedures and safety requirements should be followed to ensure a safe and effective blowdown process.

When designing a fuel-gas boiler room, the following considerations should be taken into account: Safety Considerations: Ensure that the design of the boiler room complies with relevant safety standards and regulations. Consider fire risks and install appropriate firewalls, fire doors, and isolation facilities. Ensure good ventilation in the boiler room and set up suitable ventilation equipment and flue systems to expel harmful gases produced by combustion. Space and Layout: Plan the space and layout of the boiler room based on the number and size of the boilers. Ensure there is sufficient space for operation, maintenance, and cleaning. Arrange the boilers, fuel storage equipment, flue systems, and pipe layouts in a manner that is convenient for operation and maintenance. Fuel Supply and Storage: Consider the requirements for fuel supply and storage. Ensure the safety and reliability of fuel supply pipelines and equipment, avoiding leaks and contamination. Plan the capacity and location of fuel storage equipment reasonably, ensuring adequate fuel supply and compliance with relevant safety requirements. Emission and Exhaust Gas Treatment: Consider the exhaust gas emissions and treatment resulting from combustion. Set up appropriate flue systems and smoke treatment equipment to minimize the impact of exhaust emissions on the environment. Ensure that the design and layout of the flue system are reasonable and can effectively expel smoke and exhaust gases. Control and Monitoring Systems: Design suitable control and monitoring systems to ensure the safety and operation of the boiler. This includes monitoring and control equipment for parameters such as temperature, pressure, and flow, as well as alarm and automatic shutdown devices. Ensure that operators can promptly understand the operating status of the boiler and take appropriate actions.
Our company places great emphasis on technological innovation and R&D, boasting one city-level enterprise technology center in Heze City. We have established testing facilities for non-destructive testing, physical and chemical tests, welding tests, hydrostatic tests, and more, equipped with over 600 instruments and equipment such as CNC machines, X-ray flaw detectors, digital ultrasonic flaw detectors, mechanical property test machines, chemical analyzers, spectrometers, tensile testing machines, plasma welding machines, and others. The key products we have developed, including temperature-pressure vessels for welding, biomass boiler emissions reduction, and waste heat recovery, have successively been selected for multiple Shandong Provincial Department of Industry and Information Technology science and technology innovation projects, Shandong 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. Our technical team, in collaboration with Professor Yajiang Li from Shandong University, has developed deep cryogenic vessel processing technology using the international plasma arc + filler wire tungsten inert gas arc welding (PAW-GTAW) technique, which has been appraised as an internationally competitive level of technology in the deep cryogenic vessel manufacturing field by the provincial science and technology achievement evaluation.
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