Shandong Zhongjie Special Equipment's main products include: fuel (gas) boilers, organic heat carrier boilers, biomass boilers, waste heat boilers, and other boiler products; vacuum insulation cryogenic pressure vessels such as LNG tanks, oxygen/nitrogen/argon tanks, CO2 tanks; pressure vessel products like denitrification engineering equipment, heat storage and energy storage equipment, complete chemical equipment sets; central air conditioning and ventilation equipment such as ground (water) source heat pumps, air source units, water-cooled screw units, and air-cooled modular units. Planned products include large-scale energy centers, LNG transport vehicles, LNG tank containers, and other green energy equipment.
When installing a gas boiler unit, 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. First, choose an appropriate installation location, away from flammable materials and combustible gases, ensuring good ventilation. Secondly, install according to relevant safety regulations, including the connection of gas pipes and the installation of gas valves. Pipe Connection: A 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 secure connection and prevent gas leaks. Also, conduct a leak test to ensure no leaks occur. Exhaust Duct: Gas boilers produce exhaust gases during combustion and require an appropriate exhaust duct. The exhaust duct should be kept clear to avoid the accumulation of exhaust gases indoors, which can pose safety hazards and air pollution. Electrical Connection: Gas boilers typically require an electrical supply, so electrical connections must be made during installation. Ensure the electrical connections are correct and secure to prevent circuit shorts or other electrical issues. Water System: Gas boilers usually need to be connected to the water system, including supply and drain pipes. During the connection process, ensure the water pipes are securely connected to prevent leaks or unstable water pressure issues. Commissioning and Testing: After installation, commissioning and testing of the gas boiler should be performed. 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. If you do not have the necessary technical knowledge, it is best to have a qualified installer perform the operation to ensure a safe and reliable installation process.

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 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 a flue gas reuse device 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, enhancing thermal energy utilization efficiency and saving energy consumption. - Low Emissions: Due to the condensation process recovering most of the heat from the flue gas, the flue gas temperature is lower, resulting in a reduced emission of pollutants and less environmental impact. - Compact Structure: The condensing steam boiler typically features a compact design, occupying less space and suitable for places with limited space. - Quick Start-up: The condensing steam boiler has the characteristics of quick start-up and shutdown, allowing for flexible adjustments and operations 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, textile factories, etc. It should be noted that maintenance and regular cleaning of the condenser and flue gas reuse device are necessary during the operation of the condensing steam boiler to ensure its normal operation and performance.

When designing a fuel-gas boiler room, the following considerations should be taken into account: Safety Considerations: Ensure that the boiler room design complies with relevant safety standards and regulations. Assess fire risks and install appropriate firewalls, fire doors, and fire-resistant isolation systems. 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 size of the boilers. Ensure there is ample space for operation, maintenance, and cleaning. Arrange the boilers, fuel storage equipment, flue systems, and pipeline layout for ease of operation and maintenance. Fuel Supply and Storage: Consider the needs for fuel supply and storage. Ensure the safety and reliability of fuel supply pipelines and equipment to avoid leaks and contamination. Plan the capacity and location of fuel storage equipment reasonably to ensure adequate fuel supply and compliance with relevant safety requirements. Emission and Exhaust Gas Treatment: Consider the exhaust gas emissions and treatment resulting from combustion. Install suitable flue systems and exhaust gas treatment equipment to reduce the impact of 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 appropriate 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 necessary actions.

Steam boilers produce a certain amount of waste water during operation, which requires drainage treatment. Here are the general steps for steam boiler drainage: Preparation: Before draining, ensure the steam boiler is turned off and the pressure inside the boiler has been reduced to a safe level. Open the Drain Valve: Locate the appropriate drain valve according to the steam boiler's design and open it. The drain valve is typically found on the bottom or near the bottom of the boiler's drain pipe. Drain the Waste Water: Once the drain valve is open, waste water will flow out of the drain pipe. Depending on the situation, use a drain pump or gravity to expel the waste water. Observe the Waste Water: During the drainage process, observe the color, turbidity, and odor of the waste water to determine if there are any abnormalities, such as sediment, impurities, or strange odors. Close the Drain Valve: Close the drain valve when the waste water has been fully drained or the predetermined drainage target has been reached. Clean the Drain System: Regularly clean the drain system to prevent blockages or accumulation of debris, ensuring the free flow of the drainage system. Note that the specific steps and frequency of steam boiler drainage may vary depending on the model, usage conditions, and operational requirements of the boiler. Therefore, when performing steam boiler drainage operations, it is advisable to refer to the boiler's operation manual or consult with experts to ensure proper and safe operation.
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. 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 from Shandong University, has developed deep cryogenic container 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 in deep cryogenic container manufacturing after provincial-level scientific and technological achievement evaluation.
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