Product Description
The Graphite Block Heat Exchanger is a highly efficient corrosion-resistant heat transfer solution designed for demanding chemical and pharmaceutical processes involving aggressive acidic media. Manufactured from high-density impervious graphite blocks, it provides excellent thermal conductivity together with outstanding resistance to hydrochloric acid, sulfuric acid, phosphoric acid, and other corrosive chemicals.
Its compact block structure integrates multiple precision-machined flow channels to maximize heat transfer efficiency while minimizing installation space. Compared with conventional metal heat exchangers, graphite block heat exchangers offer superior corrosion resistance, reduced scaling, and longer operational life under severe chemical working conditions.
The equipment is widely used in acid recovery systems, chlor-alkali plants, pharmaceutical production, fertilizer manufacturing, fine chemical processing, and corrosive gas cooling applications. It is suitable for heating, cooling, condensing, and heat recovery processes where stainless steel or other metallic heat exchangers may fail due to corrosion.
Customized heat transfer area, pressure rating, nozzle arrangement, and connection type are available according to process requirements.
Features & Advantages
- Excellent resistance to corrosive chemical media
- High thermal conductivity for efficient heat transfer
- Compact block structure with space-saving design
- Suitable for hydrochloric acid and acid recovery systems
- Low maintenance and long service life
- Customizable structure and heat transfer area
Typical Applications
- Hydrochloric acid cooling systems
- Sulfuric acid heat recovery
- Acid gas condensation
- Chemical reactor circulation systems
- Pharmaceutical process cooling
- Chlor-alkali industry
- Fine chemical processing
Technical Specifications
| Item | Specification |
|---|---|
| Heat Transfer Area | 1–100 m² (customizable) |
| Design Pressure | ≤ 0.6 MPa |
| Working Temperature | -20°C to 200°C |
| Material | Impervious graphite / Resin-impregnated graphite |
| Connection Type | Flanged, threaded, or customized |
| Structure Type | Block Hole Type |
| Application | Heating / Cooling / Condensation / Heat Recovery |
FAQ
Q1: What media are suitable for graphite block heat exchangers?
Graphite block heat exchangers are suitable for highly corrosive media such as hydrochloric acid, sulfuric acid, phosphoric acid, and acidic gases used in chemical and pharmaceutical industries.
Q2: What is the difference between graphite and silicon carbide heat exchangers?
Graphite heat exchangers provide excellent corrosion resistance and cost efficiency for acid applications, while silicon carbide heat exchangers offer higher mechanical strength and wear resistance under more demanding operating conditions.
Q3: Can the heat exchanger be customized according to process requirements?
Yes. Heat transfer area, pressure rating, nozzle arrangement, flow channel configuration, and connection type can all be customized according to customer process conditions.
Q4: What industries commonly use graphite block heat exchangers?
They are widely used in chemical processing, pharmaceutical manufacturing, chlor-alkali plants, fertilizer production, acid recovery systems, and corrosive gas treatment applications.
