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, and CO2 tanks; pressure vessel products such as denitrification engineering equipment, heat storage and energy storage equipment, and complete chemical equipment; central air conditioning and HVAC 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.
Hot water boilers and steam boilers are two common types of boilers, differing in their working principles, application scenarios, and operating parameters: Working Principle: Hot water boilers provide heat by heating water, which is then distributed to the heating system. Steam boilers generate steam by heating water and distribute it to the heating system. Operating Temperature and Pressure: Hot water boilers typically operate at temperatures between 60℃ and 100℃, with lower pressure. Steam boilers usually operate at temperatures between 100℃ and 200℃, with higher pressure, generally between 0.7MPa and 2.5MPa. Heating Method: Hot water boilers use a circulating pump to distribute hot water to the heating system, with heating primarily through conduction and convection. Steam boilers distribute steam through steam pipes to the heating system, with heating mainly through steam convection. Application Scenarios: Hot water boilers are suitable for heating, bathing, swimming pool heating, and other scenarios where hot water is needed in industrial production processes. Steam boilers are used in industrial production processes requiring steam, such as power plants, chemical factories, and textile mills. Equipment Structure: Hot water boilers are usually simpler, with a smaller size and less space required. Steam boilers are typically more complex, larger in size, and require more space. It should be noted that hot water and steam boilers may overlap in some special application scenarios, such as industrial processes that require both hot water and steam. Therefore, when selecting a boiler type, it is necessary to consider specific needs and application scenarios.

Steam boiler equipment water treatment refers to the process of treating water in steam boilers to ensure normal operation and extend the lifespan of the equipment. Here are some basic knowledge points about steam boiler equipment water treatment: Water Quality Requirements: The water quality in steam boilers is of high standard, typically requiring the removal of impurities, dissolved oxygen, and hardness substances. Impurities and hardness substances can cause scaling and corrosion on the interior walls of the boiler, while dissolved oxygen can lead to corrosion and the formation of bubbles. Removal of Impurities: Common methods for removing water impurities include sedimentation, filtration, and ion exchange. Sedimentation involves adding chemicals to make impurities settle, filtration removes impurities through filtering media, and ion exchange removes impurities by adsorption and ion exchange with resins. Adjusting Hardness: The hardness substances in water are mainly calcium and magnesium salts, which can cause scaling on the interior walls of the boiler. Hardness can be adjusted by adding chemicals or using water softening equipment to prevent scaling issues. Removing Dissolved Oxygen: Dissolved oxygen can cause corrosion and the formation of bubbles. It can be removed by adding oxidizing agents or using deoxygenation equipment. Controlling pH: The pH of water in steam boilers affects equipment corrosion and scaling. It is usually necessary to control the water pH within an appropriate range, using buffers or regulators to adjust the pH. Regular Testing and Maintenance: Regular water quality testing of the steam boiler equipment, including measuring hardness, dissolved oxygen, and pH levels, is essential. Appropriate water treatment measures and maintenance should be conducted based on the test results. Steam boiler equipment water treatment is a crucial aspect for ensuring normal boiler operation and extending the lifespan of the equipment. Rational water treatment measures can effectively prevent scaling, corrosion, and malfunctions on the interior walls of the boiler.

The necessity of flow control in thermal oil furnaces is primarily reflected in the following aspects: 1. Heat Transfer Efficiency: The efficiency of heat transfer in thermal oil furnaces is closely related to the flow rate of the thermal oil. An appropriate flow rate ensures that heat is fully transferred in the heat exchanger, enhancing the efficiency of heat utilization. Too low a flow rate may result in incomplete heat exchange and affect the heat transfer effect; conversely, too high a flow rate will increase energy consumption and operating costs. 2. Temperature Control: Flow control in thermal oil furnaces is also closely related to temperature control. By adjusting the flow rate of the thermal oil, the temperature within the furnace can be controlled, ensuring stable operation within the set working temperature range. Too low a flow rate may lead to excessively high temperatures, while too high a flow rate may result in excessively low temperatures, both of which can affect the normal operation of the equipment. 3. System Stability: Appropriate thermal oil flow rates can enhance system stability. Flow control helps balance the supply and demand of heat energy, avoiding overheating or cooling, and maintaining stable system operation. Stable operation contributes to extending the service life of the equipment and reducing the frequency of failures and maintenance. 4. Safety: Flow control in thermal oil furnaces is also crucial for safety. Proper flow control can prevent excessive accumulation of thermal oil in the system, reducing the risk of leaks and explosions. Additionally, flow control ensures the system pressure remains within safe limits, avoiding overpressure and other safety issues. In summary, flow control in thermal oil furnaces is necessary for improving heat transfer efficiency, temperature control, system stability, and safety. Through reasonable flow control, the operation of thermal oil furnaces can be optimized, enhancing energy utilization efficiency, reducing operating costs, and ensuring safe and stable operation of the equipment.

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 fire separation facilities. Ensure adequate 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 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 pipeline layouts 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 prevent leaks and contamination. Reasonably plan the capacity and location of fuel storage equipment to ensure an adequate fuel supply and compliance with relevant safety requirements. Emission and Waste Gas Treatment: Consider the emission and treatment of waste gases produced by combustion. Install suitable flue systems and flue gas treatment equipment to minimize the impact of emissions on the environment. Ensure that the design and layout of the flue system are reasonable and can effectively expel flue gases and waste gases. Control and Monitoring Systems: Design appropriate 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 that operators can promptly understand the operating status of the boilers and take appropriate actions.
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