Short path evaporators are available from laboratory to production scale, with sizes ranging from 0.04 to 80 m² and operating temperatures up to 400°C.
Short path distillation is a specialized thin film distillation technology that allows for even lower working pressures, resulting in lower boiling points. This makes it ideal for heat-sensitive materials.
Unlike traditional wiped film evaporators, the condenser in short path evaporators is located inside the unit, which reduces the distance vapors travel and enhances efficiency.
Operation
The feed liquid enters the still under high vacuum, where it spreads into a very thin film and is rapidly moved down the evaporation surface. Heated walls and high vacuum cause the more volatile components (distillate) to move to the external condenser, while the less volatile components (residue) continue down the cylinder. The separated fractions 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 high solvent loads, an optional external condenser can be installed downstream of the still.
Particular Features
Continuous distillation process.
Very low operating pressures, up to 0.1 Pa (100 Pa = 1 mbar).
Low distillation temperatures due to the short vapor path, ensuring gentle processing.
Short residence time minimizes thermal stress and decomposition.
High evaporation rates.
Fields of Application
Thermal separation of high molecular weight and high-boiling products.
Suitable for heat-sensitive materials.
| Model | HSPD-5 | HSPD-10 Â | HSPD-20 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, According to 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. Inner protection with bubble bags, foam boards, etc.
B. Customized wooden packaging or cartons as per customer requirements.
C. Strict packing process to ensure safe delivery of goods.
FAQ
1. Can you do design for us?
Yes, we can create artwork including printing, logos, etc., if you provide the content and specify placement details.
2. How can we place an order?
After confirming product and price, we will send a Proforma Invoice. Once payment (deposit) is received, we prepare and ship within 5 working days. If you have your own forwarder, we use it. Otherwise, you must find one at the destination port.
3. What's your payment term?
100% T/T in advance. Western Union and small payments via PayPal or Escrow. Confirm everything before payment.
4. How about shipping?
Small orders shipped via FEDEX, DHL, TNT, or UPS (3–7 days). Large orders by ocean (about 1 month). Urgent shipments by air at higher cost.
5. What are your product advantages?
Good quality, competitive prices, strict quality control, professional team, and reliable after-sales service.
6. Which brands have you worked with?
We’ve collaborated with numerous chemical plants, pharmaceutical factories, and over 50 wholesalers globally for more than 3 years, with all customers satisfied.
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Zhoushan Putuo BODA Machinery Co., Ltd. & Saga Trading (Zhoushan) Co., Ltd. , https://www.boda-machinery.com