Unlike traditional wiped film evaporators, the condenser in a short path evaporator is located inside the evaporator body itself.
Operation
The feed liquid is introduced into the still under high vacuum, where it spreads into a very thin film and is quickly forced down the evaporation surface. Heated walls and the high vacuum drive the more volatile components (distillate) to the external condenser, while the less volatile components (residue) continue down the cylinder. The resulting fractions are then discharged through individual 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 immediately downstream of the still.
Particular Features
Continuous distillation process.
Fields of Application
For the thermal separation of high molecular and high-boiling products.
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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 and consequently, even lower boiling temperatures.
Very low operating pressures up to 0.1 Pa (100 Pa = 1 mbar). (The significantly lower pressure in the short path evaporator is achieved due to the short distance vapors travel from the evaporator surface to the condenser.)
The very low operating pressures ensure very low distillation temperatures, allowing for a gentle distillation process.
Short residence time. (Thanks to the short residence time, low evaporation temperature, and immediate cooling of the concentrate, thermal stress and decomposition of the product can be minimized.)
High evaporation rates.
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
  0.5 Â
1.0
 2.0Â
Heating
methodCeramic electric heating units, MAX TEMP: 260°C
Electric Oil heater, MAX TEMP: 200°C
Vacuum
pressure0.1–2000Pa,
Depending on the actual vacuum system configuration.
Condensation
transfer
area
(m2)0.086 Â
0.20 Â
0.42 Â
1.1 Â
2
 4
Theoretical
evaporation
(L/H)0.8~
1.55~6 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
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. Could you do design for us?
Yes, we can create artwork including printing, logo, etc., for you. Just provide the content and tell us where to place it. Let us know the details so we can proceed accordingly.
2. How can we place an order?
After we agree on the products and price, we will issue 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 your own shipping forwarder, we can use them. Otherwise, once the goods arrive at the destination port, you must find a shipping forwarder to handle customs clearance.
3. What's your payment term?
100% T/T in advance. Western Union. Small payments can be made via PayPal or Escrow. Please confirm everything clearly before making any payment.
4. How about the shipping?
For small orders, we will send the goods via international express services like FEDEX, DHL, TNT, or UPS, usually arriving within 3–7 business days. For larger quantities, we ship by ocean, which takes about one month. If urgent, air shipping is an option, though it will cost more.
5. What are your product advantages?
A. High quality and competitive pricing.
B. Strict quality control during production.
C. Professional team from design, development, manufacturing, assembly, packaging, and shipping.
D. Post-sale service: if there is a quality issue, we will replace defective items.
6. Which brands have you worked with in the past?
We have collaborated with numerous chemical plants, pharmaceutical factories, and other clients in our country for over three years. In foreign markets, we've partnered with more than 50 wholesalers and end users, all of whom are satisfied with the quality of our products.
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Canabis Refine Laboratory Vacuum Short Path Distillation
Model NO.: HSPD5
Rotary Flask: 5L
Application Industries: Bio-Chemical, Pharmaceutical, Chemical Industry
Operating Temp. Range: Rt~300°C
Main Uses: Concentration, Refining, Separation
Film System: Self-Clean Roll Filming System
Temperature: Max: 260°C
Vacuity: Min: 0.001 mbar
Trademark: BETTER
Transport Package: Standard Solid Wooden Case for Export
Specification: 5L
Origin: China
HS Code: 8419409090