Before diving into details, here’s what you need to know: a medium-pressure steam boiler operates between 1 and 15 bar (15–217 psig) and typically produces steam at 121–204 °C (250–400 °F). These boilers are almost always water-tube designs, offering rapid response and high heat transfer. They serve in process heating, power generation, and a myriad of industrial applications. Our condensing medium-pressure boilers boast NOₓ emissions ≤ 30 mg/Nm³, over 10 % fuel savings, and comprehensive safety protections—all backed by free design, free quoting, and expert gas-cost calculations.
Definition and Classification
Medium-pressure steam boilers are defined by their operating pressure and corresponding steam temperature. In industry practice:
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Pressure range: 1–15 bar (0.1–1.5 MPa)
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Temperature range: approximately 121–204 °C (250–400 °F)
On a typical pressure–temperature saturation curve, these boilers occupy the mid-section, balancing thermal efficiency with manageable mechanical stresses. According to some standards, medium-pressure boilers may even extend up to 25 bar (2.5 MPa) in specialized designs.
Design and Working Principle
Most medium-pressure boilers utilize a water-tube arrangement:
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Water circulation through tubes immersed in the combustion chamber.
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Heat transfer as hot flue gases pass around these tubes.
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Steam generation at the desired pressure and temperature, ready for process use.
Advanced designs may incorporate condensing heat exchangers to recover latent heat from flue gases, further boosting overall thermal efficiency.
Technical Specifications
While capacities vary by model, key parameters include:
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Steam capacity: from a few hundred kg/h up to several tonnes per hour.
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Rated pressure: commonly 1.0–1.5 MPa.
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Steam temperature: up to 204 °C (400 °F).
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Efficiency: base efficiencies of 90–95 %, rising above 100 % on an LHV basis in condensing units.
Principal Applications
Medium-pressure steam is highly versatile. Typical uses encompass:
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Process heating: chemical reactors, food processing, textile finishing.
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Power generation: driving small-scale turbines for onsite electricity.
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Motive fluid: jet pumps, ejectors, and steam turbines in industrial settings.
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Cleaning and sterilization: in pharmaceutical and healthcare equipment.
Advantages of Our Medium-Pressure Steam Boilers
As an A-level boiler manufacturer, our medium-temperature, medium-pressure steam boilers stand out for:
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Free design & quotation: tailored layouts and transparent pricing at no cost.
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Expert gas-cost calculation: professional technical staff optimize fuel usage.
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Energy saving: condensing technology cuts fuel consumption by over 10 % compared to conventional units.
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Ultra-low emissions: NOₓ ≤ 30 mg/Nm³, meeting the strictest environmental standards.
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Long lifespan: corrosion-resistant materials ensure at least 20 years of service.
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Safety & reliability: built-in overpressure warning, scale-level alert, controller fault protection, and overtemperature shutdown.
Safety Features & Technical Services
Our boilers integrate multiple layers of protection and monitoring:
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Overpressure and overtemperature alarms with automatic interlock.
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Water-scale detection alerts to prevent efficiency loss and tube damage.
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Controller fault protection to maintain stable operation.
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Cloud-based monitoring: closed-loop system for discovery, diagnosis, analysis, and corrective action.
Conclusion
Medium-temperature, medium-pressure steam boilers offer an ideal balance of performance, efficiency, and operational safety for a wide range of industries. By choosing our A-level condensing boilers, you gain not only superior thermal performance and ultra-low emissions but also the peace of mind that comes with free design, expert quotation, and comprehensive protections. Contact us today for your bespoke solution!
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