Boyu Spiral Plate Heat Exchanger Production Manual.pdf

Spiral Plate Heat Exchanger Production Manual

1. Foreword / 前言

Company ProfileShandong Boyu Heavy Industry Technology Group Co., Ltd. is a professional manufacturer of heat exchange equipment, serving industries like coking and energy. With cutting-edge R&D capabilities and a strong presence in China’s coking market, Boyu Industry ensures high-quality, durable, and efficient products.

公司简介
山东博育重工科技集团公司是一家专业的换热设备制造商，服务于燒烧和能源行业。通过充分的科研能力和在中国燒烧市场的强势，博育举能保证高质量、长声命和高效的产品。

2. Design Standards / 设计规范

• Referenced Standards

  • ASME Section VIII, Division 1: Pressure Vessel Design

  • GB 150: Pressure Vessel Standard of China

  • NB/T 47004: Spiral Plate Heat Exchanger Standards

参考标准

• ASME Section VIII：压实带设计标准

• GB 150：中国压力实带标准

• NB/T 47004：螺旋板换热器标准

3. Material Selection / 材料选择

• Common Materials

  • Carbon steel (e.g., Q345R, A179)

  • Stainless steel (e.g., 304, 316, 316L, 321)

  • Corrosion-resistant alloys (e.g., Hastelloy, Inconel)

通用材料

• 碳钢：Q345R, A179

• 不锈钢：304、316、316L、321

• 耐腐合金：Hastelloy、Inconel

4. Production Process / 生产制造流程

4.1 Material Preparation / 材料准备

• Conduct thorough inspection of raw materials to ensure compliance with standards, including chemical composition analysis, dimensional verification, and visual inspection for surface defects.

• Perform surface cleaning to remove impurities and oxidation.

材料准备

• 对原材料进行精确检验，确保符合标准，包括化学成分分析、尺寸验证以及表面缺陷的目视检查。

• 消除表面杂质和氧化物。

4.2 Plate Rolling and Welding / 板材卷制和焊接

• Use precision rolling machines to achieve uniform curvature.

• Apply automatic TIG or MIG welding for leak-free and durable joints.

卷制和焊接

• 采用精密卷制机，确保曲率均一。

• 使用TIG或MIG自动焊接，确保闭孔和耐用接结。

4.3 Assembly / 装配

• Ensure alignment of plates during assembly to avoid structural stress.

• Use high-precision fixtures for consistent assembly.

装配

• 在装配过程中，确保板材对齐，避免构件应力。

• 使用高精度定位装置，确保装配精度。

5. Quality Control and Testing / 质量控制与检测

• Non-Destructive Testing (NDT)

  • Ultrasonic testing for weld seams.

  • Radiographic testing for critical areas.

无损检测

• 焊缘进行超声测试。

• 重点区域进行光学影像检测。

• Pressure Testing

  • Hydrostatic testing at 1.5x design pressure.

  • Pneumatic testing for low-pressure systems.

压力测试

• 在设计压力的1.5倍进行水压测试。

• 供低压系统进行气压测试。

6. Installation and Maintenance / 安装与维护

• Follow provided installation guidelines to ensure proper alignment and secure connections.

• Perform regular inspections and cleaning to extend service life.

安装指南

• 按照指导书进行正确安装，确保完善连接。

维护方法

• 定期进行检查和清洗，延长服务声命。

7. Case Studies / 案例分享

• Successful Application in CDQ Systems

  • Achieved 20% energy efficiency improvement, measured through comparative performance testing against baseline operations. The improvement aligns with industry benchmarks established in the ASME standards, showcasing our competitive edge in efficiency.

  • Reduced maintenance costs by 15%.

CDQ系统应用成功案例

• 能效提高20%。

• 维护成本降低15%。

8. Appendices / 附录

Technical Data Sheets / 技术数据表

1. Material Properties / 材料性能

   • Carbon Steel:

     • Yield Strength: ≥245 MPa (GB Q345R)

     • Tensile Strength: 490-630 MPa

   • Stainless Steel:

     • 304: Yield Strength ≥205 MPa, Tensile Strength ≥515 MPa

     • 316: Yield Strength ≥205 MPa, Tensile Strength ≥515 MPa

     • 316L: Yield Strength ≥170 MPa, Tensile Strength ≥485 MPa

   • Corrosion-Resistant Alloys:

     • Hastelloy C276: High resistance to strong oxidizing agents

     • Inconel 625: Excellent corrosion and oxidation resistance

2. Pressure and Temperature Ratings / 压力和温度等级

   • Maximum Working Pressure: 2.5 MPa

   • Maximum Operating Temperature: 400°C (for stainless steel)

Formulas and Examples / 计算公式和示例

1. Heat Transfer Efficiency Calculation / 换热效率计算公式

   • Q = U × A × ΔTlm

     • Q: Heat transfer rate (W)

     • U: Overall heat transfer coefficient (W/m²·K)

     • A: Heat transfer area (m²)

     • ΔTlm: Log mean temperature difference (K)

   Example:

   • U = 300 W/m²·K, A = 5 m², ΔTlm = 20 K

   • Q = 300 × 5 × 20 = 30,000 W

2. Pressure Drop Estimation / 压降估算

   • ΔP = f × (L/D) × (ρv²/2)

     • f: Friction factor

     • L: Length of the flow path (m)

     • D: Hydraulic diameter (m)

     • ρ: Fluid density (kg/m³)

     • v: Velocity (m/s)

Inspection Guidelines / 检验指导

1. Visual Inspection Checklist / 外观检查清单

   • Check for uniform rolling of plates.

   • Inspect weld seams for continuity and absence of pores.

   • Ensure no visible corrosion or mechanical damage.

2. Non-Destructive Testing Standards / 无损检测标准

   • Ultrasonic Testing (UT): Per ASME Section V

   • Radiographic Testing (RT): Ensuring 100% coverage of critical joints

   • Dye Penetrant Testing (PT): For surface crack detection

   
   

   Boyu Spiral Plate Heat Exchanger Production Manual.pdf