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SVIT flash vacuum chamber driers

Timber industry applies various methods of timber drying. They are stoving, air seasoning, vacuum drying, and flash vacuum drying. All the methods are different in the equipment and drying technology. Nevertheless, all drying methods are based on power-consuming phase evaporation.

Unlike other methods, flash vacuum drying implies vacuum and impulse treatment of timber due to the volume ratio of the drying chamber and the vacuum one. Thereat, a vacuum pump heightens the vacuum in the drying chamber, and 70-80% dehydration of timber takes place without phase transformation (evaporation).

Pressure gradient rate and value are very important for a quicker mass transfer. The higher the rate becomes, the less water evaporates (by 5% less), and the more water to be removed turns into fog.

We produce SVIT chamber driers based on flash vacuum drying. SVIT belongs to flash timber driers.

SVIT characteristics:

1 working chamber can house:

Section, mm Volume, m3
Board
32150 9,6
40 150 10,2
50 150 9,5
Square log
100 150 10,2
220 220 10,3
Round log
d=320 9,76

Today we produce the following options of chamber driers: SVIT-10 (v=10 m3), SVIT-10/2 (v=20 m3), SVIT-10/4 (v=40 m3).

You need 515 m of free space to install SVIT-10, 1020 m for SVIT-10/2, and 1530 m for SVIT-10/4.

There are no specific requirements to communications.

Chamber drier configuration:

It is not obligatory to build a drying plant since a shed will be enough. The surrounding temperature must not go below 0 for proper operation of the drier.


SVIT Specifications

Property SVIT-10 SVIT-10/2 SVIT-10/4
Monthly output when drying softwood 40 150 6100, m3 660 1300 2500
Total capacity, kW

heating

electric

 

81

38

 

162

76

 

324

152


Installation requirements

Property SVIT-10 SVIT-10/2 SVIT-10/4
Overall and connecting dimensions, m (look at the diagram below)

A = 5,2

B = 5

C = 6,6

D = 2,2

H = 3

A = 8,4

B = 5,6

C = 6,6

D = 2,2

H = 3

A = 8,4

B = 5,6

C = 12,5

D = 2,2

H = 3

Concrete platform for a drier, m

A drier weight, t

5 15

20

10 20

34,9

15 30

55,8

Water network

Pressure, not less, atm.

Flow rate, not less, l/hour

Temperature , not less,

 

1,5

1000

20

 

1,5

1400

20

 

1,5

3000

20

Total capacity, kW

heating

electric

115

81

34

227

162

65

450

324

126


Diagram. Overall and connecting dimensions of a SVIT drier

SVIT-10 SVIT-10/2 SVIT-10/4
Diagram. Overall and connecting dimensions of a SVIT-10 drier Diagram. Overall and connecting dimensions of a SVIT-20 drier Diagram. Overall and connecting dimensions of a SVIT-40 drier

We can produce made-to-order hot-water camber driers.


SVIT Flash vacuum driers

SVIT Flash vacuum driers SVIT Flash vacuum driers

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