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Design Instructions for Airborne Smallpox in the Cleansing Surgery

Ventilation smallpox: design instructions for a clean operating room

In the design process of the clean room, the amount of air sent is generally determined by the number of air exchange times. For the first-level operating room, the requirements are strict. For clean one-way flow, it is generally not determined by the number of air exchange times. Its air supply is: 2.6 × 2.4 × 0.45 × 3600(wind outlet specification is 2.6 × 2.4, wind speed is generally 0.2 m/s ~ 0.3 m/s, considering attenuation, generally take 0.4 m/s ~ 0.45 m/s[ 1] The air outlet of the operating room is generally used for wind ceiling). Secondary operating room: 30 to 36 / H,[ 2] Level 3 operating room: 18 to 22 / H, Level 4 operating room: 12 to 15 / H.

Taking a hospital clean operating room summer once wind system as an example, the design parameters are as follows:

Table 1 Design Parameters for a Cleaner Operating Room


room

area

Layer height

level

Ventilation

Residual heat

Moisture

Heat to humidity ratio

New wind volume

New wind load

Total load

m2

m

m3/h

kw

g/s

m3/h

kw

kw

OR1

42

3

1

10100

8.6

3.64

8600

1000

14.74

23.34

OR2

36

3

2

3888

6.4

2.77

8312

800

11.8

18.2

OR3

36

3

3

2376

5.8

2.5

8286

800

11.8

17.6

OR4

36

3

4

1620

5.2

2.33

8000

600

8.84

14.04

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