HELLO! WELCOME TO YIFIL PURIFICATION CO.LTD!

COLLECT PAGE |WEBSITE MAP


Email 

tony.liu@yifil.com

图片展示

NEWS

+86 0769 88087947

How to calculate the ventilation rate of fresh air system and fresh air volume?

Click:476 Time:2018-10-25 10:39:43

As the quality of the overall living environment declines, it becomes more and more difficult to breathe fresh and healthy air, so we have to resort to fresh air system to improve indoor air quality.The number of ventilation times of fresh air will be evaluated according to the specific environment and living habits according to different living environments. The calculation method of ventilation times of fresh air system and new air standards under different building environments will be introduced below.  

Calculation example of fresh air ventilation:

Computer room area S=60 (m2), net height h=3 (m), staff n=10(persons)

1. New air volume Q1=n.q=10*70=700(m3/h) if calculated according to the required new air volume per person.(q=70(m3/h) per person);

2. If the number of ventilation times of room fresh air is calculated, the number of ventilation times of room fresh air is p=5(times /h), then the new air quantity Q2=q.n=5*60*3=900(m3/h).

Due to Q2>Q1, Q2 is taken as the basis of equipment selection.

 

Indoor fresh air standards for different types of buildings

Hotel building

Entertainment building

office building

residential building

room type

air volume

room type

air volume

room type

air volume

room type

air volume

 Hotel Room

30~50

fitness room

60~80

office

30

apartment

30

antechamber

30~50

Tennis room

40

High-level office

30~50

High-level apartment

50

Restaurant/banquet hall

15~30

Card Room/ Billiard Room

40~50

reception room

30~50

shopping mall

15~25

Coffee House

20~50

Swimming Pool

50

Telephone room

30

inpatient ward

50

function hall

15~25

game center

40~50

Computer room

30

classroom

11~30

Commercial area

10~20

Video halls

20

Copy room

30

exhibition hall

20~30

lobby

10

massage room

30

laboratory

20~30

Theaters

15~25

Beauty Salon

35

locker room

30

dance hall

30



KTV

30~50

nightclub

20

Bar

17~50



  

 

Refer to the frequency of fresh air ventilation table

Room type

No smoking

small amount of smoking

Heavy smoking

apartment

shopping mall

Computer room

inpatient ward

apartment

office

dining room

KTV
/Bar
/Hotel

Meeting room

ventilation rate

0.4~0.7

1.6~3.9

1.1~2.7

0.5~1.3

0.5~1.0

1.1~2.7

1.3~3.1

1.9~4.7

2.1~7.8

  

Fresh air requirement/[m3/(h·Person)]

Smoking Level

Room Type

Fresh air volume

recommended value

 least value

A lot

Trading venues

85 m3

51 m3

The Newsroom

85 m3

51 m3

Meeting room

85 m3

51 m3

Many

Bar

51 m3

42.5 m3

General

Office

25.5 m3

17 m3

Restaurant

25.5 m3

20 m3

Few

shopping mall

25.5 m3

17 m3

No

Theaters

25.5 m3

17 m3

Hospital

34 m3

25.5 m3

  

Fresh air ventilation is the key to determine the selection of fresh air units. The fresh air system is normally open 24 hours. If the fresh air volume is too large, it may cause waste, and if it is too small, it may not reach the air exchange effect.

 

Yifil purification has professional fresh air system designers who will design new air system solutions according to users' usage habits and building environment. No matter what type of house/useable area, we can provide you with perfect solutions.

 


  


Home | About us |News| Products | Case | Contact

Address:5th Floor ,Jingye Ind, NO 288 Lanyuan Road, Xin'an Community, Chang'an Town, Dongguan, Guangdong, China (Mainland)   E-mail: tony.liu@yifil.com 

Copyright © 2018 Guangdong Yifil Purification Technology Co., Ltd..备案号:粤ICP备15032656号-1