BD основные узлы. Давление продувки

1. BD структурная схема

Oil-free Air Division
Service Department

2.

BD основные узлы
Давление продувки
16
овратный клапан
продувки
A
B
12
вентилятор
3 входной 3-х ходовой клапан
Oil-free Air Division
PS1
Service Department

3.

ВD основные узлы
нагреватель
6 выходной клапан А
Диссикант
влагопоглотитель
8 клапан продувка А
PS1
A
B
ТS3
4,5 клапан выходной
регенераации А
Oil-free Air Division
В
Service Department

4.

ВD основные узлы
14 клапан продувки
17 глушитель
Y6 выходной
соленоидный клапан
PS1
A
B
Y5
Oil-free Air Division
Service Department

5.

STEP 1. Adsorption A
40 C
35 C
7 bar
0
77 bar
bar
A
B
0 mbar
35 C
35 C
Oil-free Air Division
Service Department

6.

STEP 2. Adsorption A, regenerating B: Pressure relief
40 C
35 C
7 bar
0
77 bar
bar
A
B
0 mbar
35 C
35 C
Oil-free Air Division
Service Department

7.

STEP 3. Adsorption A, regenerating B: BLOWER
40 C
35 C
0 bar
77 bar
bar
A
B
800 -mbar
100 mbar
35 C
40-60 C
Oil-free Air Division
Service Department

8.

STEP 4. Adsorption A, regenerating B: HEATING
40 C
150 C
0 bar
77 bar
bar
A
B
80 - 100 mbar
35 C
40-60 C
Oil-free Air Division
Service Department

9.

STEP 5. Adsorption A, regenerating B: COOLING 1
40 C
90 C
0 bar
77 bar
bar
A
B
80 - 100 mbar
35 C
60 C
Oil-free Air Division
Service Department

10.

STEP 6. Adsorption A, regenerating B: COOLING 2
40 C
50 C
0 bar
77 bar
bar
A
B
0 mbar
35 C
60 C
Oil-free Air Division
Service Department

11.

STEP 7. Adsorption A, Pressurization B
40 C
30 C
0 bar
7
77 bar
bar
A
B
0 mbar
30 C
Oil-free Air Division
Service Department

12.

STEP 8. Adsorption A, …WAITING…
40 C
45 C
0 bar
7
77 bar
bar
A
B
0 mbar
30 C
Oil-free Air Division
Service Department

13.

BD SEQUENCE 01
TOWER “B” ADSORBING
START
N
Работа начинается с адсорбции одной колоны ,
другая ждет
Y
PWR
POWER ON
N
Y
PT2
TOWER “B”
> 5 bar(e)
N
OPEN
Y6
TOWER “A”
PRESSURE BLOW-OFF
TIME
Y
> 5 min
(8 min BD>1050)
N
PT1
Y2
TOWER “B”
ADSORBING
GL2
Y
LIMIT SWITCH INLET
VALVE ACTIVATED
Y
“A” < 0.5 bar
Oil-free Air Division
N
Service Department
OPEN
Y3
TOWER “A”
REGEN. EXH. VALVE OPEN

14.

BD SEQUENCE 02
REGENERATING TOWER “A”
Y3
OPEN
TOWER “A”
REGEN. VALVE OPEN
TOWER “A”
N
GL3
Y
LIMIT SWITCH
REGEN EXH VALVE
ACTIVATED
START
BLOWER
?? Когда TS3 разомкнут нагрев не начнется
N
PS1
Y
> 25mbar
HEATING
TOWER “A”
OR
N
TIME
> 3 hrs
Y
N
TS3
Y
REG. OUT > 70°C
STOP
HEATING
Oil-free Air Division
Service Department

15.

BD SEQUENCE 03
COOLING TOWER “A”
STOP
TOWER “A”
HEATING
N
TIME
Y
> 2 min
N
TT11
Y
PT1000
dropped with 20°C
STOP
BLOWER
N
TIME
Y
> 2 min
Y5
COOLING
TOWER “A”
Oil-free Air Division
Service Department

16.

BD SEQUENCE 04
PRESSURISING TOWER “A”
COOLING
TOWER “A”
Y5
Y
N
TIME
> 1 hr
(1:15 for BD>1050)
Y3
CLOSES
REG EXH. VALVE CLOSED
PRESSURISATION
TOWER “A”
N
TIME
5 mins
(BD>1050: 8 mins)
Y
N
DP A-B
Y
< 0.5 bar
WAITING
TOWER “A”
Oil-free Air Division
Service Department

17.

Время цикла
1/2 CYCLE TIME
4 часа
ADSORPTION/DRYING
VESSEL A
COOLING WAITING
HEATING
1
2
3
4
Нагрев не начнется если TS3 разомкнут ( Т > 70 )
Oil-free Air Division
Service Department
REGENERATION
SENSOR TS3

18.

BD -70°C SEQUENCE 01
TOWER “B” ADSORBING
START
-70°C option
N
Y
PWR
POWER ON
N
Y
PT2
TOWER “B”
> 5 bar(e)
N
OPEN
Y6
TOWER “A”
PRESSURE BLOW-OFF
TIME
Y
Y2
TOWER “B”
ADSORBING
PT1
Y
“A” < 0.5 bar
Oil-free Air Division
GL2
LIMIT SWITCH G2
ACTIVATED
> 5 min
N
N
Service Department
OPEN
Y3
TOWER “A”
REGEN. EXH. VALVE OPEN
Y

19.

BD -70°C SEQUENCE 02
REGENERATING TOWER “A”
Y3
OPEN
TOWER “A”
REG. EXH. VALVE OPEN
TOWER “A”
N
GL3
Y
LIMIT
SWITCH
ACTIVATED
START
BLOWER
N
PS1
Y
TOWER “A”
> 25mbar
HEATING
SEQ. 1
OR
N
> 2:40 h
TIME
Y
N
TS3
Y
REG. OUT > 130°C
STOP
HEATING
Oil-free Air Division
Service Department

20.

BD -70°C SEQUENCE 03
EXTRA REGEN. TOWER “A”
STOP
BLOWER
N
TIME
> 2 min.
Y
Y5
“COOLING AIR”
TO TOWER “A”
HEATING
SEQ. 2
N
TIME
Y
> 25 min
STOP
TOWER “A”
HEATING
Oil-free Air Division
Service Department

21.

BD -70°C SEQUENCE 04
PRESSURISING TOWER “A”
Y5
Still COOLING
TOWER “A”
N
TIME
Y
> 1:55 hr
Y3
CLOSES
REG. EXH. VALVE CLOSED
PRESSURISATION
TOWER “A”
N
DP A-B
Y
< 0.5 bar
WAITING
TOWER “A”
Oil-free Air Division
Service Department