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.
A gas boiler is a heating equipment that uses gas or similar fuels. It generates heat by burning gas to heat water into steam or hot water, which is used for heating, hot water supply, or industrial production, among other applications. The working principle of a gas boiler involves mixing gas with air, igniting it to produce high-temperature combustion gases, and then transferring the heat to the water through a heat exchanger, thereby raising the water temperature. Gas boilers offer advantages such as environmental friendliness, safety, and are widely used in residential, commercial, and industrial sectors.
The reasons for uneven heat distribution in steam boilers may include the following aspects: Inconsistent combustion: Uneven mixing of fuel and air during combustion, or an impractical design and adjustment of the burner, can lead to inconsistent combustion. This results in some areas producing more heat while others produce less. Pipe blockage: The presence of blockages or scaling in the transmission pipes of steam boilers can cause uneven heat transfer. Blockages or scaling hinder steam flow, limiting heat transfer in some areas while allowing it to flow relatively better in others. Heat exchanger issues: If there are problems such as scaling, corrosion, or blockage in the heat exchangers of steam boilers, they can cause uneven heat transfer. These issues can affect the heat conduction efficiency of the heat exchangers, impacting heat transfer in certain areas. Water level issues: Inaccurate or unstable water level control in steam boilers can lead to uneven steam production. Both high and low water levels can affect steam generation and distribution, resulting in uneven heat distribution. Boiler load changes: Changes in boiler load can also cause uneven heat distribution. When the load suddenly increases or decreases, the boiler may not be able to adjust the heat generation and distribution in time, leading to uneven heat distribution. To address the issue of uneven heat distribution in steam boilers, regular inspection and maintenance of the boiler equipment are necessary to ensure the normal operation of combustion and heat exchange processes. Additionally, it is important to adjust the burner and control systems reasonably, maintain stable water levels, clean pipes and heat exchangers, and improve...
A thermal oil furnace is a device that uses thermal oil as a heat medium to transfer heat energy generated by combustion or electric heating to the equipment or process requiring heating. The working principle of a thermal oil furnace involves heating the thermal oil to a certain temperature and then circulating it through a pump to the heating equipment or process, transferring heat energy to the heated object. The thermal oil exchanges heat with the heated object in the heat exchanger, raising the temperature of the object while cooling down the oil, which then returns to the furnace for reheating. The heat transfer process in the thermal oil furnace mainly relies on the thermal conductivity of the thermal oil. With high thermal conductivity, the oil can quickly transfer heat energy to the heated object, achieving efficient heating. Additionally, thermal oil has high thermal stability, allowing it to operate stably at high temperatures without decomposition or oxidation.
A thermal oil furnace typically consists of the furnace body, combustion system, flue gas system, heat exchanger, circulating pump, and control system. The furnace body is the main part of the thermal oil furnace, used to contain the thermal oil and the combustion system. The combustion system is responsible for burning fuel to produce heat and heat the thermal oil. The flue gas system is used to exhaust the flue gas produced by combustion. The heat exchanger is the equipment where the thermal oil exchanges heat with the heated object. The circulating pump is responsible for circulating the thermal oil back to the furnace for reheating. The control system is used to monitor and control the operation of the thermal oil furnace, ensuring safe and stable operation.
Thermal oil furnaces offer high temperature control accuracy, fast heating speed, low energy consumption, and simple operation, and are widely used in industrial fields such as chemicals, textiles, food processing, papermaking, as well as in some special heating processes.
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. 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, and ensure the boiler is in a safe condition. Prepare the required chemical cleaning agents and cleaning equipment.
Cleaning Agent Selection: Choose suitable chemical cleaning agents 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 through 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 the 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 for using cleaning agents and safety operation procedures to ensure the safety of operators.
- Choose appropriate cleaning agents and methods based on the boiler's material and the nature of the cleaning agents.
- 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, adjusting the cleaning conditions as needed.
- Flush the boiler after cleaning to ensure that the cleaning agent and dirt are completely removed.
- After cleaning, perform boiler maintenance and upkeep promptly to ensure normal operation and long-term use.
ZJ Special Equipment upholds the grand vision of "realizing employees' dreams, creating value for customers, and striving for the prosperity and strength of our motherland," and is dedicated to the development of the green energy equipment industry. We offer products and services with high cost-performance to contribute to society!




































