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, a B-grade boiler installation license, and GB2/Class and GC2/Class pressure pipeline installation licenses, as well as a qualification for the installation and contracting of electromechanical equipment. It is a member of the China Boiler and Water Treatment Association, the China Chemical Equipment Association, and a director unit 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.
Industrial boilers, during their long-term operation, can accumulate scale and deposits, affecting heat exchange efficiency and the normal operation of the boiler. Here are some effective descaling methods: 1. Mechanical Cleaning: This involves using cleaning equipment and tools to wash away scale and deposits inside the boiler with high-pressure water or mechanical brushes. This method is suitable for lighter scale and deposits. 2. Chemical Cleaning: Utilizing chemical cleaning agents to dissolve scale and deposits through chemical reactions. Choose the appropriate cleaning agent based on the composition and nature of the scale, and follow the instructions for use. Chemical cleaning requires safe operation to avoid damage to equipment and the environment. 3. Acid Cleaning: A common descaling method for difficult-to-dissolve scale and deposits. Commonly used acid cleaning agents include, etc., select the appropriate cleaning agent and concentration based on the specific situation. Acid cleaning requires safe operation to avoid harm to equipment and personnel. 4. Alkaline Cleaning: A descaling method for specific types of scale, suitable for alkaline scale. Commonly used alkaline cleaning agents include, etc., select the appropriate cleaning agent and concentration based on the specific 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 effect of ultrasound to shake the scale into fragments. Electro-dissolution uses the principle of electrolysis to dissolve scale with the help of an electric current. These physical descaling methods are suitable for special cases and specific types of scale. When selecting a descaling method, consider the specific conditions of the boiler.

When selecting a thermal oil heater for the rubber industry, pay attention to the following aspects:  Temperature requirements: Determine the required working temperature range based on the process needs of the rubber industry. Ensure that the thermal oil heater can stably provide the required working temperature. Heat load: Calculate the required heat load based on the production scale and process requirements of the rubber industry. Ensure that the heat load of the thermal oil heater meets the needs of the rubber industry. Thermal efficiency: The thermal efficiency of the thermal oil heater directly affects energy consumption and operating costs. Consider the thermal efficiency and choose energy-saving products when selecting a thermal oil heater. Safety: The safety of the thermal oil heater is crucial. Choose a thermal oil heater with complete safety protection devices and an automatic control system to ensure safe and reliable operation. Maintenance: Proper maintenance is vital for extending the service life and ensuring normal operation of the thermal oil heater. Consider the ease and cost of maintenance when selecting a thermal oil heater. Manufacturer's reputation: Choose a thermal oil heater manufacturer with a good reputation and extensive experience to ensure the reliability of product quality and after-sales service. Cost-effectiveness: Consider the price, energy consumption, and maintenance costs of the thermal oil heater, and choose products with good cost-effectiveness. When purchasing a thermal oil heater, it is recommended to consult and communicate with heating equipment suppliers or engineers, make a selection based on specific needs, and follow relevant industry standards and regulations.

When a gas steam boiler experiences overpressure, the following immediate measures must be taken: 1. Shut off the 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. Release pressure: Open the boiler's pressure relief device, typically a safety valve. The safety valve is a critical safety feature of the boiler that automatically opens when internal pressure exceeds the set value, releasing overpressure steam to reduce the boiler pressure. 3. Reduce the burner load: If the overpressure is due to an excessive burner load, reduce the burner load to decrease steam generation and thereby lower the boiler pressure. Adjust the gas supply to the burner or the burner's control method to match the current load requirements. 4. Inspection and maintenance: After an overpressure event, inspect and maintain the boiler to identify the cause of overpressure and make necessary repairs. Possible causes include burner failure, control system issues, valve malfunctions, etc. If necessary, call in a boiler maintenance technician for inspection and maintenance. Note that overpressure is a dangerous condition during boiler operation and must be addressed promptly. When dealing with overpressure, operators should remain calm and follow safety procedures to ensure their own safety. If unsure how to handle an overpressure situation, immediately contact a boiler maintenance technician or relevant technical support personnel for assistance.

The gas steam boiler's gas consumption over a year depends on various factors, including the efficiency, load conditions, and operating hours of the boiler. Generally, it can be estimated using the following formula: Gas Consumption (m) = Boiler Efficiency × Rated Thermal Power × Operating Hours. Here, the boiler efficiency refers to the boiler's heat utilization efficiency, typically expressed as a percentage; the rated thermal power is the boiler's rated thermal output, usually in kilowatts (kW); and the operating hours are the time the boiler is in operation, typically measured in hours. It's important to note that the boiler's efficiency and rated thermal power can be determined based on the specific model and parameters, while the operating hours need to be estimated based on actual usage. Therefore, for an accurate calculation of the 1-ton gas steam boiler's annual gas consumption, it is recommended to refer to the technical specifications and operating records of the boiler, or consult the boiler manufacturer or engineer.
Our company attaches great importance to technological innovation and research and development, with 1 municipal enterprise technology center in Heze City. We have established test facilities for non-destructive testing, physical and chemical testing, welding testing, hydrostatic testing, and more, equipped with over 600 units of various instruments and equipment including 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 we have developed, such as thermal pressure vessel welding, biomass boiler emission reduction, and waste heat utilization, have successively been shortlisted for multiple Shandong Province Industrial and Information Technology Department scientific and technological innovation projects, Shandong Province key projects, and Heze City innovative and excellent projects. We have cumulatively obtained 27 authorized utility models, 16 authorized inventions, 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 container processing technology, utilizing the international plasma arc + wire-inert gas arc welding (PAW-GTAW) technique. The provincial technological achievement evaluation has confirmed that the technology level in the field of deep cryogenic container manufacturing has reached international standards.
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