The document discusses vacuum drying and its applications. It describes vacuum drying experiments that use a vacuum chamber and pump to remove moisture from materials without damaging them. Vacuum drying is used in food, pharmaceutical, and biological industries to dry products while keeping them intact. It also details how vacuum drying can be applied to dry pipelines after they are dewatered by removing residual moisture through application of a vacuum.

1. Vacuum drying
Nguyễn Quang Minh
Mechanical Engineer
Ho ChiMinh City – Vietnam
minha4k47@yahoo.com.vn
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2. Content
I. Water’s property
II. Experiment of Vacuum drying
III. Application of Vacuum drying
IV. Application for Example Pipeline
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3. I. Water’s property
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4. II. Experiment of Vacuum drying
Please watch video clip
https://www.youtube.com/watch?v=Ti9C_cLSR0A&t=12s
In experiment, necessary tools are:
- Vacuum chamber
- Vacuum pump
- Instrument equipment
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5. III. Application of Vacuum drying
- Food, pharmaceuticals, biological industries use
vacuum drying equipment to eliminate moisture but
not be disintegrated during product processing
- Drying of a pipeline after dewatering
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6. IV. Application for CRD Pipeline
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- Drying of a pipeline involve one or more of the
following techniques: pigging, methanol/glycol
swabbing, air drying, vacuum drying and nitrogen
packing.

7. IV. Application for CRD Pipeline
Equipment tie-in
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8. IV. Application for Example pipeline
Plot plan
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9. IV. Application for Example pipeline
Vacuum Pump 9

10. IV. Application for Example pipeline
Pressure Recorder
& Recorder Controller
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11. IV. Application for Example pipeline
Vacuum drying process (Ideal Process)
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12. IV. Application for Example pipeline
Necessary calculation for Vacuum Drying Spread
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Quantity and Capacity of
Nitrogen Production Unit

13. IV. Application for Example pipeline
Necessary calculation for Vacuum Drying Spread
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14. IV. Application for Example pipeline
Real vacuum drying process (Real Process)
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15. Thank for your attention
Nguyễn Quang Minh
Mechanical Engineer
Ho ChiMinh City – Vietnam
minha4k47@yahoo.com.vn
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