Short path evaporators from laboratory to production scale in sizes ranging from 0.04 - to 80 m² and for operating temperatures up to 400 °C.
Short path distillation is a special type of thin film distillation technology, at which even lower working pressures and therefore even lower boiling temperatures can be achieved.
Design
Different from the traditional wiped film evaporator design, the condenser is located inside the short path evaporator body.
Operation
Feed liquid is admitted into still under high vacuum, immediately spread into a very thin film and forced quickly down the evaporation surface. Heated walls and high vacuum drive the more volatile components (distillate) to the external condenser as the less volatile components (residue) continue down the cylinder. The resulting fractions, thus separated, exit through individual discharge outlets. Depending on application, the desired product is either the distillate or the residue fraction. Small amounts of condensable low MW compounds collect in cold trap upstream of vacuum system. For high solvent loads, an optional external condenser may be installed immediately downstream of the still.
Particular features
Continuous distillation process.
Very low operating pressures up to 0.1Pa (100Pa=1mba). (The considerably lower pressure in the short path evaporator is obtained by the short distance for the vapours on their way from the evaporator surface to the condenser. )
The very low operating pressures ensure very low distillation temperatures and therefore a very gentle distillation is possible.
Short residence time. (Thanks to the short residence time, the low evaporation temperature and the immediate cooling of the concentrate, thermal stress and decomposition of the product can be minimized.)
High evaporation rates.
Fields of application
For the thermal separation of high molecular and high-boiling products.
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:260ºC Electric Oil heater ,MAX TEMP:200ºC |
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| Vacuum pressure |
0.1-2000Pa, According to the actual vacuum system configuration. |
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| Condensati on 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 differen materials, including bubble bag, foam board and others.
B. Qualified wooden packge or carton for different products or as customer require
C. Strict packing process to ensure the safety and completeness of the goods
FAQ
1.Could you do design for us?
yes, we can do artwork including printing, logo etc. for you, if you provide us the content and tell us where to put,just tell us how to do in detail.Â
2.How can we place order?Â
After we made agreement on the products and price, we will make Proforma Invoice for your confirmation.When we got your payment (deposit) we will prepare for the goods and sending within 5 working days generally. If you have your own ship forwarder, we will use your ship forwarder to delivery goods. If you don't have ship forwarder, then when the goods arrived at Destination port, you must find a ship forwarder to h elp you clear the custom.
3.What's your payment term?
100% T/T in advance.Western Union. Small amount payment can through Paypal or Escrow. please confirm everything clearly before you make payment.
4.How about the shipping?
For small orders, we will send the goods by International Express like FEDEX, DHL, TNT or UPS. usually it takes 3-7work days to arrive.If big quantity we will ship by Ocean transportation, it takes one month to arrive. If urgent, you can select shipping by Air, but freight charge will be more expensive.
5.what's your products' advantages ?
A. Good quality and competitive prices.
B. Strictly quality control when producing.
C. Professional team work, from design, development, producing,assembling,packing and shipping.
D. After-sale services, if there is quality problem, we will offer you replacement for defective quantity.
6.Which brands you already cooperated with in the past ?
We have already cooperated with so many chemical plants, pharmaceutical factories and so on in our country for more than 3 years. In the foreign markets, we have cooperated with more than 50 wholesalers, also the ultimate users. They are all satisfied with our products' quality.
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Chengdu LST Science&Technology Co., Ltd. , https://www.lstmachinery.com