Short path evaporators are available in sizes ranging from 0.04 to 80 m² and can operate at temperatures up to 400°C.
Short path distillation is a specialized form of thin film distillation technology that allows for even lower working pressures and consequently, even lower boiling temperatures. This makes it ideal for heat-sensitive materials and high molecular weight compounds.
Unlike traditional wiped film evaporators, the condenser in a short path evaporator is located inside the unit itself. This design helps reduce the distance that vapors must travel, which contributes to more efficient operation and improved performance.
Operation
The feed liquid is introduced into the still under high vacuum and quickly spreads into a very thin film across the evaporation surface. The heated walls and high vacuum environment drive the more volatile components (distillate) toward the external condenser, while the less volatile components (residue) flow down the cylinder. The separated fractions then exit through individual discharge outlets. Depending on the application, either the distillate or residue may be the desired product. Small amounts of condensable low molecular weight compounds collect in a cold trap upstream of the vacuum system. For higher solvent loads, an optional external condenser can be installed downstream of the still.
Key Features
Continuous distillation process.
Very low operating pressures, up to 0.1 Pa (100 Pa = 1 mbar).
Low distillation temperatures ensure gentle processing of sensitive materials.
Short residence time reduces thermal stress and decomposition risks.
High evaporation rates for efficient operation.
Applications
Ideal for the thermal separation of high molecular weight and high-boiling point substances.
Suitable for heat-sensitive materials.
| Model | HSPD-5 | HSPD-10 Â | HSPD-20 Â Â | HSPD-50 Â | HSPD-100 Â | HSPD-200 | |||
| Rotary Flask (L) | 5L | 10L | 20L | 50L | 100L | 200L | |||
| Evaporator heat transfer area(m2) |
0.058 Â | 0.12 | 0.24 Â | Â Â 0.5 Â | 1.0 | Â 2.0Â | |||
| Heating method |
Ceramic electric heating units, MAX TEMP: 260°C Electric Oil heater, MAX TEMP: 200°C |
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| Vacuum pressure |
0.1-2000Pa, Depends on the actual vacuum system configuration. |
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| Condensation transfer area (m2) |
0.086 Â | 0.20 Â | 0.42 Â | 1.1 Â | 2 | Â 4 | |||
| Theoretical evaporation (L/H) |
0.8~ 1.5 |
5~6 Â | 10~12 Â | 25~30 Â | 50~60 | 100~120 | |||
| Occupying space (L*W*H) (m) |
1.1*0.5*1.7 | 1.1*0.8*1.7 | 1.5*1.2*2.5 | 2.0*1.5*3.0 | 2.0*1.5*3.5 | 2.5*2.0*4.0 | |||
Package & Shipping
A. Sufficient inner protection with different materials, including bubble bag, foam board, and others.
B. Qualified wooden package or carton for different products as per customer requirements.
C. Strict packing process to ensure the safety and completeness of the goods.
FAQ
1. Can you do custom design for us?
Yes, we can create artwork, including printing and logos, based on your content and placement instructions. Just let us know what you need and how to proceed.
2. How can we place an order?
After agreeing on the product and price, we will send a Proforma Invoice for your confirmation. Once we receive your payment (deposit), we will prepare and ship the goods within 5 working days. If you have a preferred shipping forwarder, we can use it. Otherwise, you'll need to arrange one upon arrival at the destination port.
3. What are your payment terms?
100% T/T in advance. Western Union is also accepted. Small payments can be made via PayPal or Escrow. Please confirm all details before making any payment.
4. How about shipping options?
For small orders, we ship via international express services like FEDEX, DHL, TNT, or UPS, which usually takes 3–7 business days. For larger quantities, ocean freight is used, taking around one month. If urgent, air freight is an option but will cost more.
5. What are the advantages of your products?
A. High quality and competitive pricing.
B. Strict quality control during production.
C. Professional team handling design, development, manufacturing, assembly, packaging, and shipping.
D. Comprehensive after-sales service, including replacement for defective items if needed.
6. Which brands have you worked with before?
We have collaborated with numerous chemical plants and pharmaceutical factories domestically for over three years. Internationally, we've partnered with more than 50 wholesalers and end users, who are all satisfied with our product quality.
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Zhoushan Putuo BODA Machinery Co., Ltd. & Saga Trading (Zhoushan) Co., Ltd. , https://www.boda-machinery.com