Shandong Zhongjie Special Equipment (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-freezing containers, pressure vessels, central air conditioning, engineering installation, international trade, and Internet of Things. It has three factory sites 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 Ministry of Industry and Information Technology. In June 2022, it was recognized as a "Gazelle Enterprise in Shandong Province" and in August 2022, it was identified as a "Specialized and New Small Giant Enterprise" by the Ministry of Industry and Information Technology.
After the hot water boiler is shut down, here are some common maintenance measures: * Clean the boiler: After shutdown, the boiler should be cleaned first. Dust, dirt, and sediments inside the boiler can be washed with appropriate cleaning tools and detergents. Pay special attention to cleaning the combustion chamber, flue, and heat exchanger, among other critical areas. * Drain the water: Empty the water from the boiler to prevent the accumulation of scale and corrosive substances. Open the drain valve to drain the water until the interior of the boiler is completely empty. * Anti-corrosion treatment: Before shutdown, anti-corrosion treatment can be applied to prevent internal metal corrosion in the boiler. Use suitable anti-corrosion agents or coatings to treat and apply them to key areas inside the boiler. * Inspection and maintenance: During shutdown, regularly inspect the various components and connections of the boiler to ensure there are no loose, damaged, or leaking issues. If problems are found, repair or replace them promptly. * Keep dry: After shutdown, maintain the dryness inside the boiler. Open the ventilation and exhaust ports of the boiler to maintain air circulation, preventing moisture and mold growth. * Regular inspections: Regularly check the condition of the boiler to ensure no abnormal situations. Develop a corresponding inspection plan based on the boiler's usage and requirements, such as a comprehensive check every quarter or year. * Preparations before startup: Before restarting the boiler, appropriate preparations should be made. This includes cleaning the boiler, checking the connections of equipment and pipelines, and inspecting fuel supply.

Industrial boiler thermal deoxygenation is a commonly used deoxygenation method, featuring: - Deoxygenation: Thermal deoxygenation involves heating the boiler feedwater to release dissolved oxygen from the water through heat. As the water temperature rises during the process, the solubility of oxygen decreases, enabling effective removal of oxygen from the water. - No Chemicals Required: Unlike other deoxygenation methods, thermal deoxygenation does not require chemicals, thereby avoiding environmental pollution and equipment corrosion caused by chemicals. It also reduces operating costs and complexity. - Automated Control: Thermal deoxygenation can be achieved through automated control systems, which adjust the feedwater temperature and flow rate based on the boiler's operating status and water quality to achieve optimal deoxygenation. - Wide Application Range: Thermal deoxygenation is suitable for various types of industrial boilers, including coal-fired, gas-fired, and oil-fired boilers. Whether it's a small or large boiler, thermal deoxygenation can be employed for deoxygenation treatment. - Increased Boiler Efficiency: Removing dissolved oxygen from the water reduces corrosion and oxidation reactions within the boiler, extending its lifespan. Additionally, reducing oxygen presence can enhance the boiler's thermal efficiency and lower energy consumption. - Note: While thermal deoxygenation effectively removes oxygen from the water, it may not address other water quality issues such as hardness and alkalinity, which may require alternative water treatment methods. Therefore, in practical applications, it is necessary to consider water quality characteristics and boiler requirements to select the appropriate deoxygenation method.

Steam boilers produce a certain amount of waste water during operation, which requires effluent treatment. Here are the general steps for steam boiler effluent discharge: Preparation: Before effluent discharge, ensure the steam boiler is shut down and the pressure inside the boiler has been reduced to a safe level. Open the Drain Valve: Locate the corresponding drain valve according to the design of the steam boiler and open it. The drain valve is usually found on the bottom or near the bottom of the boiler's drain pipe. Discharge 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 discharge the waste water. Observe the Waste Water: During the discharge process, observe the color, turbidity, and odor of the waste water to determine if there are any abnormal conditions, such as sediment, impurities, or odors. Close the Drain Valve: Close the drain valve when the effluent discharge is complete or reaches the predetermined target. Clean the Drain System: Regularly clean the drain system to prevent blockages or accumulation of debris, ensuring the smooth operation of the drain system. It is important to note that the specific steps and frequency of steam boiler effluent discharge may vary depending on the model, usage conditions, and operational requirements of the boiler. Therefore, when performing steam boiler effluent discharge operations, it is advisable to refer to the boiler's operation manual or consult with experts to ensure proper and safe operation.

When a gas steam boiler experiences overpressure, the following immediate measures must be taken: 1. Shut off gas supply: First, immediately close the gas supply to cut off the fuel source and stop the combustion process to prevent further increase in steam pressure. 2. Open the pressure relief device: Open the boiler's pressure relief device, typically a safety valve. The safety valve is a crucial safety feature of the boiler that automatically opens when the internal pressure exceeds the set value, releasing overpressure steam to lower the boiler pressure. 3. Reduce the burner load: If the overpressure is due to excessive burner load, reducing the burner load can decrease steam production and thus lower the boiler pressure. Adjust the gas supply to the burner or the burner's adjustment method to match the current load requirements. 4. Inspection and maintenance: After an overpressure event, the boiler should be inspected and maintained to identify the cause of the overpressure and make repairs. Possible causes include burner failure, control system failure, valve malfunction, etc. If necessary, a boiler maintenance professional can be called in for inspection and maintenance. It is important to note that overpressure is a dangerous condition during boiler operation and must be addressed promptly. When dealing with overpressure, operators should remain calm, follow safety operating procedures, and ensure their own safety. If unsure how to handle an overpressure situation, immediately contact a boiler maintenance or relevant technical support personnel for assistance.
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