Shandong Zhongjie Special Equipment (formerly Heze Boiler Factory Co., Ltd.) was established in 2001, located at No. 2218 Jinnan Road, 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 vessels, pressure vessels, central air conditioning, engineering installation, international trade, and the Internet of Things. It has three manufacturing 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 middle-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 of Shandong Province" by the Ministry of Industry and Information Technology. In June 2022, it was recognized as a "Gazelle Enterprise of 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.
Selecting the right gas steam boiler requires considering the following factors: - Steam Demand: First, determine your steam requirements, including steam pressure and evaporation rate. Choose a boiler with a rated evaporation capacity and steam pressure that align with your actual needs, ensuring the boiler can meet your production or heating requirements. - Fuel Type: Gas steam boilers use gas as fuel, with common types including natural gas, LPG, etc. Select the appropriate gas type based on available resources and cost considerations. - Boiler Efficiency: Boiler efficiency directly impacts energy utilization and operating costs. Opt for a high-efficiency gas steam boiler to reduce energy consumption and operational expenses. Pay attention to the boiler's thermal and combustion efficiencies. - Boiler and Manufacturer Quality: Choose a gas steam boiler produced by a reputable manufacturer to ensure product quality and reliability. Understand the manufacturer's production capabilities, after-sales service, and technical support, and select a reliable supplier. - Safety and Environmental Compliance: Focus on the safety and environmental performance of the boiler. Ensure the boiler is equipped with necessary safety protection devices and monitoring systems, as well as a combustion system that meets environmental standards to minimize environmental impact. - Cost-Effectiveness: In addition to purchase costs, consider the operating and maintenance costs of the boiler. Evaluate the overall energy consumption of the boiler.

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. Release pressure: Open the boiler's pressure release 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 excess pressure steam to lower the boiler pressure. 3. Reduce burner load: If the overpressure is caused by excessive burner load, reduce the burner load to decrease steam production and 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, inspect and maintain the boiler to identify the cause of overpressure and make repairs. Possible causes include burner failure, control system failure, valve malfunction, etc. If necessary, consult a boiler maintenance technician 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, contact a boiler maintenance or technical support personnel immediately for assistance.

Regular inspections of industrial boilers are crucial for ensuring safe operation, improving efficiency, and extending service life. Here are the key reasons for the importance of regular inspections: Safety Assurance: Industrial boilers are high-temperature, high-pressure equipment. Without regular inspections, there may be hidden safety risks. Regular inspections can identify and rectify potential issues within the boiler, such as combustion system failures, water level control malfunctions, and failed safety valves, ensuring safe boiler operation. Efficiency Enhancement: Regular inspections can uncover dirt and sediments within the boiler, maintain the cleanliness of heat exchangers, and enhance thermal conduction efficiency, improving the boiler's thermal and energy utilization efficiency. This helps to reduce energy consumption and operating costs. Extended Service Life: Regular inspections allow for timely detection and treatment of corrosion, wear, and fatigue within the boiler, preventing further damage and failures, thus extending the boiler's service life. Regular maintenance can also help prevent and reduce boiler damage and failures. Legal and Regulatory Requirements: Many regions have established laws and regulations, as well as standards for boiler safety management, requiring regular inspections and maintenance of industrial boilers. Regular inspections are a critical part of meeting legal and regulatory requirements. Insurance Requirements: Some insurance companies have specified insurance requirements for industrial boilers, mandating regular inspections and maintenance. Regular inspections can meet these requirements, protecting the insurance interests of the enterprise. In summary, regular inspections of industrial boilers are vital for ensuring safety, improving efficiency, extending service life, complying with laws and regulations, and meeting insurance requirements. Regular inspections should be conducted by qualified institutions or individuals, following relevant laws, regulations, and standards. Timely inspections and maintenance can ensure the safe and efficient operation of industrial boilers.

The purpose of oxygen removal from boiler feed water in industrial boilers is to reduce oxygen corrosion and bubble formation within the boiler, ensuring the safety and proper operation of the boiler and piping system. The main methods of oxygen removal include: 1. Mechanical Oxygen Removal: Removing oxygen from water using physical methods. Common mechanical oxygen removal equipment includes deaerators and degassers. Deaerators remove oxygen by atomizing water into a film, utilizing the difference in solubility of gases. Degassers, on the other hand, remove oxygen by atomizing water into fine droplets, also taking advantage of the difference in solubility. 2. Thermal Oxygen Removal: Removing oxygen from water by heating the water body, utilizing the property that the solubility of oxygen decreases with increasing temperature. Common thermal oxygen removal equipment includes deaerator pots and deaerators. Deaerator pots release oxygen from water by heating it to saturation temperature. Deaerators heat the water to reduce the solubility of oxygen, thereby removing oxygen. 3. Chemical Oxygen Removal: Removing oxygen from water by adding chemicals that react with the oxygen, eliminating it from the water. Common chemical oxygen removal agents include salts and reducers. Chemical oxygen removal is often used in high-pressure boiler systems and can effectively remove oxygen from water. The choice and method of oxygen removal depend on the specific boiler system and water quality. In practice, a combination of various oxygen removal methods is often employed 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 attaches great importance to technological innovation and R&D design. We have one municipal-level enterprise technology center in Heze City, equipped with testing facilities for non-destructive testing, physical and chemical testing, welding testing, hydrostatic testing, etc. We have over 600 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, plasma welding machines, and more. The key products and technologies we have developed, such as welding for temperature and pressure vessels, emissions reduction for biomass boilers, and waste heat utilization, have successively been included in multiple Shandong Provincial Department of Industry and Information Technology science and technology innovation projects, key projects of Shandong Province, and Heze City innovation and excellence projects. We have accumulated a total of 27 authorized utility models, 16 authorized inventions, participated in drafting 2 standards, 2 industry standards, and registered 15 trademarks. The technical team of our company, in collaboration with Professor Yajiang Li of Shandong University, has developed deep cryogenic container processing technology using the international plasma arc + filler wire tungsten inert gas arc welding (PAW-GTAW) technology. The provincial-level scientific and technological achievement identification has confirmed that the technology level in the field of deep cryogenic container manufacturing has reached an international standard.
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