dispersion de gases

8/15/2019 Dispersion de Gases

1/16

RELEASE TO ATMOSPHERE

METHOD: BODURTHA (1988)

Donde:

Critical stack gas exit velocity, m/s

D Stack exit diameter, mm

Stack exit concentracion, % v/v

L Lower flammability limit (LFL, vol!men %

! "ean wind s#eed, m/s

S$ S#ecific gravity of vented gas (air &

Donde:

Stack 'eig't re!ired, or elevation of disc'arge above areas accesible to #ersonnel, m

ᵝ "!lti#lier to give momentary concentrations) commonly *+ to

LOWER FLAMMABLE LIMIT DETERMINATION (NFPA 325)

Donde:

LFL Lower flammable limit, com#osition ex#ressed as vol!me #ercent in air m -!mber of carbon atoms in t'e molec!le

x -!mber of 'ydrogen atoms in t'e molec!le

.S,crit

xs

's


2/16

y -!mber of oxygen atoms in t'e molec!le


3/16

CASO: .-01 D 23D41C546741S .1L503LS 8058

FLUIDO: C9 (25-1

8.44 m! 1;

D 1"1.#" mm Diametro de 0!beria >

L 1.19

$ &+>> m/s

5 1.#%

S& 3.2"3

3.59 m 1;

ᵝ 2.5

8-05-1 25-1 2805-1 1C05-1

LFL 1.19 1.41 1.19 1."3 ".91m #."" 5."" #."" %."" 8.""

' 14."" 12."" 14."" 1#."" 18.""

C92

&<

S*+,-

xs4eferencia: Lees= Loss 8revention in t'e 8rocess 3nd!stries 2a?ard

3dentification, 5ssessment and Control

4eferencia: Lees= Loss 8revention in t'e 8rocess 3nd!stries 2a?ard3dentification, 5ssessment and Control

Fl!ido C92

&<

!

C92

&<C

2

&*C

92

&<C

@2

&9C

A2

&A


4/16

/ "."" "."" "."" "."" ".""

3".48 m!

152.4 m!


5/16

ANALISIS

PARAMETROSTUBERIA

200 300 400 #00

DIAMETRO (mm) >+A @9+* &>&+9 &*+<

ELOCIDAD (m!) +* 9+B A+A

&+&> *+> *+@*

&+& *+>@ *+A@<

&+*> &+B +>A

&+* &+A< +* &+@A +9*

&+ &+@ + +>

&+ &+9 +9@

&+ &+9 +9@

&+9> &+9* +@>

&+9 &+9& +@*B&+@> &+9> +@ +@9*

&+A> &+B +@@

&+A &+B +@A&

&+B> &+B +@A9

&+B &+B +@AB

*+>> &+B +@B>

C2 *+> &+B +@AB

C3 *+@ &+9> +@&

C4 *+@>C# +*> &+9@ +B

C% +


6/16

"."" ".""


7/16



Donde:




L Lower flammability limit (LFL, vol!men %

! "ean wind s#eed, m/s


Donde:




Donde:

LFL Lower flammable limit, com#osition ex#ressed as vol!me #ercent in air m -!mber of carbon atoms in t'e molec!le


.S,crit

xs

's


8/16



9/16

CASO: .-01 D 23D41C546741S .1L503LS 8058

FLUIDO: C9 (25-1

8.44 m! 1;

D 1"1.#" mm Diametro de 0!beria >

L 1.19

$ &+>> m/s

5 1.#%

S& 3.2"3

3.59 m 1;

ᵝ 2.5

8-05-1 25-1 2805-1 1C05-1

LFL 1.19 1.41 1.19 1."3 ".91m #."" 5."" #."" %."" 8.""

' 14."" 12."" 14."" 1#."" 18.""

C92

&<

S*+,-

xs4eferencia: Lees= Loss 8revention in t'e 8rocess 3nd!stries 2a?ard

3dentification, 5ssessment and Control

4eferencia: Lees= Loss 8revention in t'e 8rocess 3nd!stries 2a?ard3dentification, 5ssessment and Control

Fl!ido C92

&<

!

C92

&<C

2

&*C

92

&<C

@2

&9C

A2

&A


10/16

/ "."" "."" "."" "."" ".""

3".48 m!

152.4 m!


11/16

ANALISIS

PARAMETROSTUBERIA

200 300 400 #00

DIAMETRO (mm) >+A @9+* &>&+9 &*+<

ELOCIDAD (m!) +* 9+B A+A

&+&> *+> *+@*

&+& *+>@ *+A@<

&+*> &+B +>A

&+* &+A< +* &+@A +9*

&+ &+@ + +>

&+ &+9 +9@

&+ &+9 +9@

&+9> &+9* +@>

&+9 &+9& +@*B&+@> &+9> +@ +@9*

&+A> &+B +@@

&+A &+B +@A&

&+B> &+B +@A9

&+B &+B +@AB

*+>> &+B +@B>

C2 *+> &+B +@AB

C3 *+@ &+9> +@&

C4 *+@>C# +*> &+9@ +B

C% +


12/16

"."" ".""


13/16



Donde:




L Lower flammability limit (LFL, vol!men %! "ean wind s#eed, m/s


Donde:




Donde:

LFL Lower flammable limit, com#osition ex#ressed as vol!me #ercent in air

m -!mber of carbon atoms in t'e molec!le



.S,crit

xs

's


14/16


15/16

CASO: .-01 D 23D41C546741S .1L503LS 8058

FLUIDO: C@ (2805-1S

A+BBBB9B

D 249."4 mm

&>>

L 2.2"$ 1."" m/s

5 1.#3

S& 1.5%

9+


16/16

3".48 m!

152.4 m!

dispersion de gases

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