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Help CenterPillow-type Heat Exchanger for Chemical Industry Corrosion Resistant 304 Stainless Steel
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As a leading manufacturer with over 25 years of experience since 1998, Anping County Boli Hardware Wiremesh Products Factory proudly presents our Pillow-type Heat Exchanger for Chemical Industry, crafted from corrosion-resistant 304 stainless steel. This heat exchanger is specifically designed to meet the demanding requirements of chemical processing plants, where durability, thermal efficiency, and resistance to corrosive media are paramount. Our advanced manufacturing techniques and strict quality control ensure that each unit delivers reliable performance, helping you reduce downtime and maintenance costs.
The pillow-type structure, also known as dimple plate or embossed plate heat exchanger, offers a unique combination of high heat transfer area and excellent mechanical strength. The channels are formed by welding two stainless steel sheets together, creating a series of pillow-like pockets that allow fluids to flow in a turbulent manner, significantly enhancing heat transfer efficiency. This design is particularly suitable for applications involving aggressive chemicals, high temperatures, and pressure variations.
Below is a summary of the key technical specifications and available options for our Pillow-type Heat Exchanger:
| Specification | Details |
| Material Grade | 304 Stainless Steel (also available in 316L upon request) |
| Plate Thickness | 0.5 mm – 3.0 mm (customizable) |
| Working Pressure | Up to 2.5 MPa (depending on design, higher available upon request) |
| Working Temperature | -20°C to +300°C (customizable for extreme conditions) |
| Surface Finish | 2B, BA, or pickled finish as per customer requirement |
| Connection Type | Threaded, flanged, or welded connections (optional) |
| Customization | Size, shape, port locations, and channel pattern all customizable |
Key Features and Advantages
- Superior Corrosion Resistance: Made from high-quality 304 stainless steel, our heat exchanger withstands a wide range of aggressive chemicals, including acids, alkalis, and salt solutions, ensuring long service life even in harsh environments.
- Enhanced Heat Transfer Efficiency: The pillow-type design creates turbulent flow patterns, which disrupt the thermal boundary layer and increase the overall heat transfer coefficient by up to 30% compared to conventional plate heat exchangers.
- Compact and Lightweight: The pillow structure allows for a large heat transfer area within a compact footprint, saving valuable floor space in your chemical plant.
- High Pressure and Temperature Tolerance: The robust welded construction can handle high operating pressures and temperatures, making it suitable for demanding processes.
- Easy Maintenance and Cleaning: The smooth interior surfaces and wide channels reduce fouling and scaling, and the unit can be easily cleaned using standard chemical or mechanical methods.
- Customizable Design: We offer full customization in terms of dimensions, channel patterns, port sizes, and material grades to exactly match your process requirements.
- Cost-Effective Solution: Compared to shell-and-tube or spiral heat exchangers, our pillow-type design offers a more economical solution with lower initial investment and reduced operating costs.
Applications in the Chemical Industry
Our Pillow-type Heat Exchanger is widely used in various chemical processes, including:
- Heating or cooling of corrosive liquids and gases
- Condensation of vapors in distillation columns
- Evaporation of solvents and concentration of solutions
- Heat recovery from waste streams
- Reactor temperature control
- Preheating of feed stocks
Each unit is manufactured with precision welding and passes rigorous leak testing to ensure zero defects. Our factory is equipped with advanced CNC laser cutting machines and automatic welding robots, enabling consistent quality and fast turnaround times.
Trust and Reliability
With an annual export value exceeding US$5 million, we have supplied thousands of heat exchangers to clients across North America, South America, Europe, Southeast Asia, Africa, and the Middle East. Our long-standing experience since 1998 has built a reputation for delivering high-quality, durable products that meet international standards. We are committed to providing excellent after-sales service, including technical support, spare parts, and warranty coverage. Choose our Pillow-type Heat Exchanger for a reliable, efficient, and corrosion-resistant solution that will enhance your chemical production processes.
Contact us today for a customized quotation or to discuss your specific requirements. Our team of engineers is ready to assist you in selecting the optimal design for your application.
Frequently Asked Questions (FAQ)
-
What is the typical lead time for a custom Pillow-type Heat Exchanger?
Standard lead time is 15–25 working days depending on complexity and quantity. Rush orders are available upon request. -
Can you provide heat exchangers made of 316L stainless steel or other materials?
Yes, we offer 316L, 304L, and other alloys as per customer requirements. Please specify the material grade when inquiring. -
How do I determine the correct size and channel pattern for my application?
You can provide your process parameters (flow rates, inlet/outlet temperatures, pressure drop limits, fluid properties) and our engineering team will perform a thermal design calculation to recommend the optimal configuration. -
Do you offer testing services such as pressure test or helium leak test?
Yes, each unit is hydrostatically pressure tested. Additional leak tests (e.g., helium) can be performed at extra cost if required. -
What is the maximum working pressure your pillow-type heat exchanger can handle?
Our standard design can handle up to 2.5 MPa. For higher pressure applications, we can reinforce the plates and use thicker materials, achieving up to 4.0 MPa or more (subject to design validation). -
Are your heat exchangers suitable for food-grade applications?
While primarily designed for chemical industry, the 304 stainless steel material and smooth surface finish can be adapted for food processing if additional sanitary requirements are met. Please contact us for details. -
How do you ensure the corrosion resistance of the welds?
We use TIG welding with matching filler wire, followed by pickling and passivation to restore the corrosion-resistant layer. The weld area is inspected for any defects. -
What is the warranty period for your heat exchangers?
We offer a standard 12-month warranty against manufacturing defects. Extended warranty options are available upon negotiation.
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