Shandong Zhongjie Special Equipment Co., Ltd. (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 7 business centers: boilers, deep-freeze containers, pressure vessels, central air conditioning, engineering installation, international trade, and the Internet of Things. It has three factory areas on Jinnan 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 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.
A gas thermal oil furnace is a device that uses gas as fuel and transfers heat energy through thermal oil. Its features include:  - High thermal efficiency: The gas thermal oil furnace uses thermal oil as the heat transfer medium, offering a high heat transfer efficiency. The thermal oil has high thermal conductivity and stability, enabling rapid heat transfer and improving energy utilization efficiency. - Temperature control: By controlling the gas supply and the circulation of thermal oil, the gas thermal oil furnace can achieve temperature control for the working process. Temperature control can meet different process and production requirements, enhancing production efficiency and product quality. - Safety and reliability: The gas thermal oil furnace employs a closed-loop system, with the combustion process taking place in an enclosed environment, reducing the risk of gas leakage. Additionally, the thermal oil has a high flash point and ignition point, making the combustion process relatively safe and reliable. - Flexibility: The gas thermal oil furnace is suitable for various industrial fields such as chemicals, textiles, and food processing. It can adapt to different process requirements and working conditions, offering strong flexibility. - Environmental protection and energy saving: The gas thermal oil furnace emits relatively low amounts of exhaust during combustion, causing minimal environmental pollution. Thanks to its high thermal efficiency and temperature control, it can save energy consumption and reduce energy costs. - It is important to note that regular inspection and maintenance are required for the gas thermal oil furnace during use to ensure its normal operation and prolong its service life. Moreover, selecting the appropriate model and supplier of the gas thermal oil furnace is crucial to ensuring its features and performance.

Chemical cleaning of industrial boilers is a common method that effectively removes dirt and deposits 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 inside the boiler, ensuring the boiler is in a safe condition. Prepare the required chemical cleaning agents and 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, etc. Cleaning Agent Circulation: Dissolve the cleaning agent in an appropriate amount of water, and circulate it into the boiler using a pump. 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 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 the necessary maintenance and upkeep as required. Points to Note When Conducting Industrial Boiler Chemical Cleaning: 1. Strictly follow the instructions for the use of chemical cleaning agents and safety operating procedures to ensure the safety of the operators. 2. Choose the appropriate cleaning agent and method based on the boiler's material and the properties of the cleaning agent. 3. Control the concentration, temperature, and circulation time of the cleaning agent to avoid unnecessary damage to the boiler. 4. Monitor the concentration and pH value of the cleaning agent in a timely manner during the cleaning process, and adjust the cleaning conditions accordingly. 5. Flush the boiler after cleaning to ensure that all cleaning agents and dirt are completely removed. 6. Perform boiler maintenance and upkeep promptly after cleaning to ensure normal operation and long-term use.

Steam boiler drain systems generally include the following types: Drain Valves: Typically, steam boilers are equipped with drain valves for discharging wastewater and impurities from within the boiler. These valves are usually located at the bottom or side of the boiler, and by opening the drain valve, wastewater can be expelled to maintain the cleanliness of the boiler interior. Drain Pumps: For large steam boilers or situations requiring long-distance wastewater discharge, drain pumps may be used. Drain pumps can extract wastewater from the boiler and transport it through pipes to designated discharge points. Automatic Drain Systems: Some steam boilers may be fitted with automatic drain systems. These systems can automatically discharge wastewater from the boiler based on predetermined time intervals or wastewater concentrations, enhancing the efficiency and accuracy of drainage. Wastewater Treatment Equipment: In certain cases, steam boilers may require wastewater treatment equipment. These units process discharged wastewater to remove impurities and pollutants, meeting environmental protection standards. It is important to note that the selection and use of steam boiler drain systems should be determined based on the specific type, scale, and operating environment of the boiler. When using drain systems, relevant operational procedures and safety requirements should be followed to ensure a safe and effective drainage process.

When designing a fuel-gas boiler room, the following points should be taken into account: Safety Considerations: Ensure the design of the boiler room complies with relevant safety standards and regulations. Consider fire risks and set up appropriate firewalls, fire doors, and fire isolation facilities. Ensure good ventilation in the boiler room with 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 according to the number and dimensions of the boilers. Ensure there is ample space for operation, maintenance, and cleaning. Arrange the placement of boilers, fuel storage equipment, flue systems, and pipelines for ease of 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 to prevent leaks and contamination. Reasonably plan the capacity and location of fuel storage equipment to ensure adequate fuel supply and compliance with safety requirements. Emission and Exhaust Gas Treatment: Consider the exhaust gas emissions and treatment from combustion. Set up appropriate flue systems and exhaust gas treatment equipment to minimize the environmental impact of emissions. Ensure the design and layout of the flue system effectively expels smoke and exhaust gases. Control and Monitoring Systems: Design suitable control and monitoring systems to ensure the safety and operation of the boilers. This includes monitoring and control equipment for parameters such as temperature, pressure, and flow, as well as alarm and automatic shutdown devices. Ensure operators can promptly understand the operational status of the boiler and take appropriate actions.
Our company attaches great importance to technological innovation and research and development. We have one municipal-level enterprise technology center in Heze City, equipped with testing facilities for non-destructive testing, physical and chemical testing, welding testing, hydrostatic testing, etc. 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, and more. The key products and technologies we have developed, such as temperature and 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 in 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 from Shandong University, has developed deep cryogenic container 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 container manufacturing.
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