Bloc Type NMP Fully Welded Plate Heat Exchanger Copper-Free Plate-and-Block Compabloc Alternative Heat Exchanger for High Pressure Chemical Thermal Energy
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| Warranty: | 1 Year |
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Basic Info.
- Model NO.
- Welded Plate-and-Block Heat Exchanger
- Certification
- CE, ISO
- Application
- Heater, Cooler, Vaporizer, Condenser, Customized
- Principle
- Recuperative Heat Exchanger
- Style
- Plate Type
- Material
- 304, 316L, 904L, C2000, Smo254, C-276, Ti, 2205
- Product Name
- Welded Plate-and-Block Heat Exchanger
- Frame Type
- Four-Side or Six-Side Removable Structure
- Standard Pressure
- up to 3.0 MPa
- Cleaning Method
- High-Pressure Water Jet Via Removable Panels
- Transport Package
- Plywood Case
- Specification
- Customized
- Trademark
- Aibao
- Origin
- China
- HS Code
- 8419500090
- Production Capacity
- 50000 PCS/Years
Packaging & Delivery
- Package Size
- 80.00cm * 50.00cm * 200.00cm
- Package Gross Weight
- 1000.000kg
Product Description
Product Description
Welded Plate-and-Block Heat Exchanger
The Welded Plate-and-Block Heat Exchanger is a high-efficiency thermal transfer device that combines the superior high-temperature and high-pressure resistance of fully welded heat exchangers with the easy maintenance advantages of detachable designs. It is engineered for demanding industrial applications requiring stable, compact, and long-lasting heat exchange performance.
Structural Features
Plate Structure
The exchanger typically uses a square plate pack formed from thin metal sheets (0.6–1.0 mm). Standard materials include stainless steel 304 and 316L, while titanium, Hastelloy, and other alloys can be selected for harsh operating conditions.
The exchanger typically uses a square plate pack formed from thin metal sheets (0.6–1.0 mm). Standard materials include stainless steel 304 and 316L, while titanium, Hastelloy, and other alloys can be selected for harsh operating conditions.
The surfaces of the plates are embossed with corrugated patterns that induce turbulence, significantly enhancing the heat transfer coefficient.
Welding Technology
Plates are joined using fully automated laser welding or TIG welding, ensuring high weld integrity and eliminating the need for gaskets. This design prevents leakage caused by gasket aging, corrosion, or failure.
Frame Design
The welded plate pack is installed in a robust frame with four-sided or six-sided removable panels, allowing convenient access for inspection and high-pressure water cleaning. This hybrid design preserves the strength of a welded exchanger while offering the serviceability of a gasketed unit.
The welded plate pack is installed in a robust frame with four-sided or six-sided removable panels, allowing convenient access for inspection and high-pressure water cleaning. This hybrid design preserves the strength of a welded exchanger while offering the serviceability of a gasketed unit.
Working Principle
Hot and cold media flow through alternating channels between the plates in counter-flow or cross-flow arrangement. The corrugated plate geometry disrupts laminar boundary layers, generating turbulence even at low flow rates—and thereby greatly increasing heat transfer performance.
Application
The welded plate-and-block heat exchanger is widely used in industries requiring high thermal efficiency and strong mechanical reliability, including:
- Petroleum refining
- Natural gas processing
- Organic chemical industry
- Pharmaceutical and oil/fat industry
- Power generation and energy systems
- Metallurgy
- Heat recovery systems
- Natural gas processing
- Organic chemical industry
- Pharmaceutical and oil/fat industry
- Power generation and energy systems
- Metallurgy
- Heat recovery systems
Typical applications include crude oil heating, solvent recovery, waste heat recovery, quenching fluid cooling, and other process heating or cooling duties.
NMP-Compatible Fully Welded Plate Heat Exchanger for Polar Chemical Processes
"NMP Fully Welded Plate Heat Exchanger" is not a universally standardized term. Its core meaning refers to a fully welded plate heat exchanger specifically designed for NMP (N-Methyl-2-Pyrrolidone), a highly polar solvent, and engineered to meet the heat-transfer requirements of NMP media.
It adopts a fully welded, gasket-free structure, making it suitable for high temperature, high pressure, strong corrosiveness, and operating conditions where NMP tends to accelerate gasket aging and failure.
It adopts a fully welded, gasket-free structure, making it suitable for high temperature, high pressure, strong corrosiveness, and operating conditions where NMP tends to accelerate gasket aging and failure.
The following explanation is organized around the core definition, key features, NMP-specific design considerations, and application scenarios.
Core Definition and Structure
Fundamentals of Fully Welded Plate Heat Exchangers
A fully welded plate heat exchanger uses corrugated plates made of special stainless steels or titanium alloys as the heat-transfer elements. The plate edges are laser-welded or TIG-welded into an integrated plate pack, eliminating non-metallic sealing gaskets and forming a fully metallic, sealed flow channel.
A fully welded plate heat exchanger uses corrugated plates made of special stainless steels or titanium alloys as the heat-transfer elements. The plate edges are laser-welded or TIG-welded into an integrated plate pack, eliminating non-metallic sealing gaskets and forming a fully metallic, sealed flow channel.
This design offers a wide operating range, with temperature resistance from –195 °C to 538 °C and pressure resistance from full vacuum up to 8.2 MPa, combining high heat-transfer efficiency with excellent sealing reliability.
NMP-Specific Adaptation
NMP is a widely used solvent in the chemical industry, characterized by strong solvency and a tendency to accelerate rubber gasket aging at elevated temperatures, while often operating under high-temperature and high-pressure conditions.
NMP is a widely used solvent in the chemical industry, characterized by strong solvency and a tendency to accelerate rubber gasket aging at elevated temperatures, while often operating under high-temperature and high-pressure conditions.
By adopting a fully welded structure, this type of heat exchanger eliminates gasket-related failure risks. Corrosion-resistant materials compatible with NMP (such as 316L stainless steel and duplex stainless steel) are selected, and the flow-channel design is optimized to suppress NMP decomposition or fouling during heat-exchange processes.
Specification
Product Name | Welded Plate-and-Block Heat Exchanger |
Plate Thickness | 0.6–1.0 mm (depending on model) |
Welding Method | Laser welding / TIG welding |
Frame Type | Four-side or six-side removable structure |
Materials Available | Stainless Steel 304, Stainless Steel 304L, Stainless Steel 316L, Stainless Steel 904L, Stainless Steel C2000, SMO254, Hastelloy C-276, Titanium Grade 1, Titanium-Palladium alloy, Nickel, Duplex 2205 |
Standard Pressure | Up to 3.0 MPa |
Enhanced Pressure (Optional) | Up to 6.0 MPa |
Standard Temperature | Up to 300°C |
Enhanced Temperature (Optional) | Up to 400°C |
Cleaning Method | High-pressure water jet via removable panels |
Typical Heat Transfer Efficiency | 3–5× shell-and-tube exchangers |
Size Advantage | 1/3–1/5 the volume of shell-and-tube units |
Pricing & Customization Notice
Multiple specifications are available, and products can be customized based on actual working conditions. The listed price is for reference only. Please contact us for an accurate quotation.
Our Main Products
Welded Plate-and-Block Heat Exchanger
Spiral Plate Heat Exchangers
Stainless Steel Tube Heat Exchanger
Heat Exchanger Plate
Heat Exchanger Gasket
Plate Heat Exchangers
Wound Spiral Heat Exchanger
Stainless Steel Plate Heat Exchanger
Brazed Plate Heat Exchanger
Note
Multiple specifications are available, and products can be customized based on actual working conditions. The listed price is for reference only. Please contact us for an accurate quotation.
Company Profile
Shanghai Aibao Industrial Co., Ltd. is committed to the production of heat exchangers. The manufacturer specializes in the design, production, customization, technical improvement, product upgrading, sales, maintenance, testing, and repair of heat exchange equipment, including stainless steel plate heat exchangers, fully welded plate heat exchangers, brazed plate heat exchangers, and asphalt ammonia steam heat exchanger units. The company has strong technical expertise and advanced manufacturing capabilities, utilizing key equipment such as 6,000-10,000-ton hydraulic presses. It continuously develops new products that meet international standards. Adhering to the principle of "customer first," we provide high-quality services to our clients. We warmly welcome customers to contact us for cooperation and business negotiations.
Our Advantages
• 1. Uncompromising Quality
With our ISO certification and TMQ management, plus a rigorous quality check, we embody the belief that 'quality is our culture.' Partnering with us ensures that your investments are secure and your business is protected.
With our ISO certification and TMQ management, plus a rigorous quality check, we embody the belief that 'quality is our culture.' Partnering with us ensures that your investments are secure and your business is protected.
• 2. Empowered Team
We boast a stronger and highly professional team of technicians and a dedicated R&D department.
• 3. Innovative Design
Our new design in plate heat exchangers features vibrant color brilliance, delivering reliable performance with extensive varieties and complete specifications.
• 4. Competitive Pricing
Outshine your competitors with our dependable quality, superior materials, cutting-edge technology, and meticulous craftsmanship. Complete specifications with guaranteed quality and quantity, all backed by our esteemed reputation.
• 5. Efficient Shipping & Packaging
Typically delivered in 7 working days, accepting MQQ for your testing needs.
Goods are protected with sturdy plywood cases and cartons.
• 6. Flexible Payment Terms
We accept T/T, Visa, Western Union, and PayPal.
• 7. Exceptional Service, Exceptional You: We deliver not just heat transfer solutions but also personal guidance to ensure our products and services exceed your expectations, a commitment to eternal customer satisfaction.
Our Customers
Certifications
FAQ
1.Can I have your samples?
Yes, we can provide samples for you to check our quality.
Yes, we can provide samples for you to check our quality.
2. What is your leading time for the products I need?
Generally 7 working days. lt depends on the quantities you request.
Generally 7 working days. lt depends on the quantities you request.
3. Do you have your own factory?
Yes, welcome to visit our factory and check our products.
Yes, welcome to visit our factory and check our products.
4.What is the warranty for your products?
We provide one year warranty for all the items we sold.
We provide one year warranty for all the items we sold.
5.What payment terms do you accept?
Trade Assurance/TT/ Letter of Credit/ Western Union.
Trade Assurance/TT/ Letter of Credit/ Western Union.
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