Shandong Zhongjie Special Equipment (formerly Heze Boiler Factory Co., Ltd.) holds an A-grade boiler manufacturing license, an A2-grade pressure vessel manufacturing license, an A2-grade pressure vessel design license, B-grade boiler installation, and GB2/Class and GC2/Class pressure pipeline installation licenses, as well as equipment and machinery installation contracting qualifications. It is a member of the China Boiler and Water Treatment Association, the China Chemical Equipment Association, and the council member of the Shandong Equipment Manufacturing Association. The company has also passed certifications for the ISO9001 Quality Management System, ISO14001 Environmental Management System, OHSAS18001 Occupational Health and Safety Management System, and the American ASME/U2 certification.
Before starting the heating gas hot water boiler, the following proper procedures must be followed: - Check the gas supply system: Ensure the gas supply system is operating properly, inspect gas pipelines, valves, and pressure regulators, and confirm there are no leaks or blockages in the gas supply. - Check the water system: Inspect the water circulation system of the heating system, including pumps, valves, and pipes, to ensure the waterways are clear of leaks and blockages. - Check the electrical system: Inspect the boiler's electrical system, including power connections, controllers, and sensors, to ensure electrical equipment is functioning correctly. - Check the safety devices: Inspect the boiler's safety devices, including safety valves, pressure switches, and water level controllers, to ensure they are operating properly and guaranteeing safe boiler operation. - Prepare for ignition: Follow the boiler's operating instructions to prepare the tools and equipment needed for ignition, including an igniter and ignition power supply. - Open the gas valve: Gradually open the gas valve to ensure a steady gas supply and avoid gas surges. - Ignition start-up: Follow the boiler's operating instructions for ignition start-up. Perform the corresponding operations based on the boiler model and control system to ensure smooth ignition. - Monitor operating status: After start-up, closely monitor the boiler's operating status, including combustion, water level, and pressure, to ensure normal operation without any anomalies. - Adjust parameters: Adjust the boiler's parameters as needed, including temperature, pressure, and water level, to meet the requirements of the heating system. - Regular maintenance: After start-up, perform regular maintenance, including cleaning the burner, checking water level and pressure, and replacing worn parts, to ensure normal and safe boiler operation. - It is recommended to refer to the boiler's operating manual and manufacturer's guidance before starting the heating gas hot water boiler to ensure correct and safe operation. If necessary, hire personnel for operation and maintenance.

Industrial boilers can accumulate scale and sediment over time, affecting heat exchange efficiency and the normal operation of the boiler. Here are some effective descaling methods: 1. Mechanical Cleaning: Utilizing cleaning equipment and tools, this method involves washing the scale and sediment inside the boiler with high-pressure water or mechanical brushes. It is suitable for lighter scale and sediment. 2. Chemical Cleaning: Employing chemical cleaning agents to dissolve scale and sediment through chemical reactions. Choose the appropriate cleaning agent based on the composition and properties of the scale, and follow the instructions provided. Chemical cleaning requires safe operation to avoid damage to equipment and the environment. 3. Acid Cleaning: A commonly used descaling method for difficult-to-dissolve scale and sediment. Common acid cleaners include (list of specific cleaners), and choose the appropriate cleaner and concentration based on the situation. Acid cleaning requires safe operation to prevent harm to equipment and personnel. 4. Alkaline Cleaning: A descaling method for specific types of scale, suitable for alkaline scale. Common alkaline cleaners include (list of specific cleaners), and select the appropriate cleaner and concentration based on the situation. Alkaline cleaning requires safe operation to avoid harm to equipment and personnel. 5. Physical Descaling: Physical descaling methods include ultrasonic cleaning and electro-dissolution. Ultrasonic cleaning uses the vibration of ultrasound to dislodge scale. Electro-dissolution uses the principle of electrolysis to dissolve scale with the help of electricity. These physical methods are suitable for special situations and specific types of scale. When selecting a descaling method, consider the specific conditions and requirements of the boiler.

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 discharging, ensure the steam boiler is shut down and the pressure inside 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. Discharge waste water: After opening the drain valve, waste water will flow out of the drain pipe. Depending on the need, use a drain pump or gravity to expel 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 abnormalities, such as sediment, impurities, or odors. Close the drain valve: Once the waste water has been discharged or the predetermined effluent target is reached, close the drain valve. Clean the drain system: Regularly clean the drain system to prevent blockages or accumulation of debris, ensuring the system remains clear. It's 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, it's advisable to refer to the boiler's operation manual or consult with experts for proper and safe operation.

The purpose of oxygen removal in industrial boiler feed water is to reduce oxygen corrosion and bubble formation within the boiler, ensuring the safety and proper operation of the boiler and pipeline system. The main methods of oxygen removal include: 1. Mechanical Oxygen Removal: This involves physically removing oxygen from the water. Common mechanical oxygen removal equipment includes deaerators and degassers. Deaerators remove oxygen by atomizing water into a film, utilizing the difference in gas solubility. Degassers, on the other hand, atomize water into fine droplets to remove oxygen using the same principle. 2. Thermal Oxygen Removal: This method takes advantage of the fact that oxygen solubility decreases with increasing temperature by heating the water body. Common thermal oxygen removal equipment includes deaerator pots and deaerators. Deaerator pots release oxygen from the water by heating it to saturation temperature. Deaerators heat the water to reduce oxygen solubility and remove oxygen. 3. Chemical Oxygen Removal: This involves adding chemicals to react with the oxygen in the water, thus removing it. Common chemical oxygen removal agents include salts and reductants. Chemical oxygen removal is often used in high-pressure boiler systems and can effectively remove oxygen from the water. The choice of oxygen removal method depends on the specific boiler system and water quality. In practice, a combination of various oxygen removal methods is often used to achieve the desired effect. The selection and operation of oxygen removal equipment should be assessed and adjusted based on actual conditions to ensure the safety and proper operation of the boiler system.
Our company highly values technological innovation and R&D, boasting 1 municipal-level enterprise technology center in Heze City. We have established testing facilities for non-destructive testing, physical and chemical testing, welding testing, hydrostatic testing, etc., and are equipped with over 600 various instruments and equipment such as CNC machine tools, X-ray flaw detectors, digital ultrasonic flaw detectors, mechanical property testing machines, chemical analyzers, spectrometers, tensile testing machines, and plasma welding machines. The key products and technologies we have developed, including welding of temperature and pressure vessels, emission reduction of biomass boilers, and waste heat utilization, have successively been selected for multiple Shandong Provincial Department of Industry and Information Technology innovation projects, Shandong Provincial key projects, and Heze City innovative and excellent projects. We have accumulated 27 authorized utility model patents, 16 authorized invention patents, participated in drafting 2 standards, 2 industry standards, and registered 15 trademarks. Our technical team, in collaboration with Professor Li Yajiang of Shandong University, has developed deep cryogenic vessel processing technology using the internationally recognized plasma arc + filler wire tungsten inert gas arc welding (PAW-GTAW) technology. The provincial-level scientific and technological achievement identification has confirmed that our technology level in deep cryogenic vessel manufacturing has reached international standards.
Choose ZJET's customized solutions, let's create brilliance together!