소개.PDF

Size: px

Start display at page:

Download "소개.PDF"

병선 신
5 years ago
Views:

1 (c) Process Pressure Measurement 1 Process Pressure Measurement Flow, Level, Temperature Flow, Level, Temperature, 2, 1) ( ),, A F F/A 2), 3 (a) (b) (a) (b) (c) 1

2 (a) (ABSOLUTE PRESSURE), 10 kg/cm 2 abs = + (b) (GAUGE PRESSURE), 10 kg/cm 2 G kg/cm 2 (c) (DIFFERENTIAL PRESSURE),, kg/cm 2 diff 3) o Pa (PASCAL) 1[m 2 ] 1[N] 1[Pa] 1 pa = 1 N/ m 2 o 1 kg W/m 2 1[m 2 ] 1[kg W] 1[kg W] 1kg m/s 2 o mh 2 O ( ) 1 mh 2 O = N/ m 2 o mhg ( ) 1 mhg = / 076 = N/ m 2 o 1 atm ( ) 1 atm = N/m cm/ s g/cm 2 760mm o 1 torr 1 1 torr = 1 / 1000 mhg o 1 bar 1 bar = N/ m 2 2

3 bar Kg/cm 2 psi atm mhg inhg maq ftaq kpa [ 1-1] ) : a 2) : b 3) ( ) : c 4),,, ( ) : d [ 1-2] 3

4 Process Pressure Instrument, 1 Pressure Instrument Pressure Instrument Type Type, 1) Indicating - Pressure Gauge : Indicating Local - Pressure Transmitter : Pressure Air Signal Control Room Panel Pressure Transmitter Pneumatic Type Electric Type (1) Pneumatic Pressure Transmitter: Pressure Air Signal / (2)Electric Pressure Transmitter: Pressure Electric Signal / - Pressure Switch: Pressure Limit Set Limit 2) Sensing Element - Bourdon Tube: 1kg/cm 2 g Pressure Gauge Type - Bellows Type : ~ PDI(Differential Pressure Indicator) - Diaphragm Type: ~ Pressure Gauge 3), Pressure Transmitter Sensing Element Gauge Diaphragm Type Chamber Type - Diaphragm Seal Pressure Gauge: Viscous, Corrosive Process Connection Liquid Fill Diaphragm Pressure Element Gauge - Diaphragm Seal Pressure Transmitter: Viscous, Corrosive Process Connection Flange Diaphragm Pressure Transmitter Element Type Direct Mounting Type Capillary Type 1

5 2 Pressure Instrument Element 1) Bourdon Tube Type Bourdon Tube Design Low Cost Pressure Gauge Type C, Spiral, Helical Type C-Type Spiral, Helical Type (1) C - Bourdon - [ 2-1] C-Type Bourdon Tube Pressure Element 2-1 C Type Bourdon Tube 250º C C-Bourdon Tube Socket, Bourdon Tube, Tip, Link, Movement Sector, Pointer 316SS Tube Tube Tube Tip Nonlinear, Gear Pinion Movement Sector Linear Accuracy ± 05 ~ ±2 % Accuracy ± 1% of Full Scale 2

6 (2) Spiral 2-2 Spiral Bourdon Tube C-Type Tip movement Tip C-Type [ 2-2] Spiral Bourdon Pressure Element (3) Helical [ 2-3] Helical Bourdon Pressure Element 2-3 Helical Bourdon Element Spiral Element, Tip Travel Bourdon Element Helical Element Pointer System Tip Pointer, Accuracy Bourdon Tube 3

7 2) Bellows Type [ 2-4] Simple Bellows Element [ 2-5] Spring Loading Bellows [ 2-6] Double Bellows Assembly [ 2-7] Schematic of a Pneumatic Controller Bellows Element Seamless Tube 2-4 Bellows Element Simplied Diagram Bellows Accuracy 2-5 Calibrated Spring Type Spring-Loaded Bellows Bellows Element,,, 2-6 Double Bellows Type PDI(Differential Pressure Indicator) Element Bellows Element Receiver Element Pneumatic Element Controlle Bellows Pneumatic Controller One for Measurement, one for set point, one for proportional, one for reset function 4

8 3) Diaphragm Type [ 2-8] Single diaphragm element may utilize flat or corrugated surfaces [ 2-9] Two types of diaphragm capsules - Convex and Nested [ 2-10] Two or more capsules are often used together to form a single multiple-capsule element [ 2-11] An evacuated diaphragm element Diaphragm Element 2-8 Disc Pressure Type 2-10 Sensing Element Capsule Capsule Element 2-9 Convex Type Nested Type Type Diaphragm Element Bellows Pressure Diaphragm Diaphragm Diaphragm movement, Diaphragm, Diaphragm Bellows Calibrated Spring 5

9 Capsule, 6-24 Motion Balance Instrument Capsule Diaphragm Element Motion Balance Instrument Force Balance Instrument Diaphragm Gauge 0 ~ mmh 2 O, Diaphragm Type Chamber Type Diaphragm Element Pressure Transmitter DP(Differential Pressure) Transmitter Element 4) Manometer Manometer, Flow Level Test [ 2-12] Changes in atmospheric pressure are indicated on this simple barometer [ 2-13] U - Tube Manometer Manometer Gravity Balance Pressure Device Liquid Manometer,, Manometer Liquid, Test Type U-Tube Tube 0 ~ 1000mmH2O, Gauge Low Side 6

10 Pressure Transmitter (Pressure Transmitter) (Differential Pressure Transmitter) Plant,,, Level,,,, 2-14 [ 2-14] 2-14 (a) PH PL PH PL 2-14 (b) PH PA 2-14 (c) 2 1

11 1) (Pneumatic), Plant,, Plant (FORCE BALANCE) Indicating 2) (Electric), Sensing Element Diaphragm Diaphragm Coil (Force Balance Type),, Machanism,,,, (Force Balance Type) Open-Loop Open-Loop 2-30 Diaphragm Capacitance, Resistance, Inductance, (4~20 madc) P P Diaphragm C R L Io (4 ~ 20 madc) C: Capacitance R: Resistance L: Inductance [ 2-15] Open-Loop (µ-processor) Smart Type Digital Signal Calibrator Calibration Scale Range 2

12 Maker Digital Signal Protocol 2-1 Maker Fisher Rosemount Yokogawa Yamatake Honeywell Protocol Hart Protocol Brain Protocol DE Protocol [ 2-1] Maker Protocol (Electric Transmitter) ( ) (Piezo) (1), [ 2-16] 2-16, (a) 3

13 2-16 (b) Diaphragm,, Diaphragm Diaphragm Diaphragm PH PL ( P = PH PL) Diaphragm (4~20 madc) = K (PH PL) K : PH : Diaphragm PL : Diaphragm,,, 2-16 (2) ( ), Silicon Diaphragm (Piezo), Carrier, [ 2-17] Sensor 4

14 Sensor 2-17 Silicon 4 Bridge Sensor,, R/ P = GF ε R/ P : GF : ε : 2 ~ ~ 500 [ 2-18]

15 , Diaphragm, Silicon Diaphragm Silicon Diaphragm,,, Bridge (4~ 20 ma) Accuracy ±02 ~ 05 % FS Silicon Diaphragm, O Ring,, (a) (b) [ 2-18], 6

16 Pressure Instrument 1 Pressure Gauge 1) Bourdon Tube Type Pressure Gauge 4-1 C01 SWAGE NIPPLE (3/4" x 1/2") G02 GATE VALVE(1/2") D02 PIPE TEE(1/2") F02 PIPE PLUG(1/2") B02 PIPE NIPPLE(1/2" x 3"L) [ 4-1] Pressure Gauge 2) Diaphragm Seal Type Pressure Gauge ) 4-4 Syphone Tube Pressure Element 1

17 F01 FLANGE(1") P04 PIPE NIPPLE (1" x 3L") G06 GASKET(1") P32 PIPE TEE(1") N01 BOLT & NUTS(1/2" x 2 1/2"L) S02 SWAGE NIPPLE (1" x 1/2") P03 PIPE PLUG(1/2") V01 GATE VALVE(1/2") [ 4-2] Diaphragm Seal Type Pressure Gauge (A) N01 BOLT & NUTS(1/2" x 2 1/2"L) Q01 SYPHONE TUBE(1/2") G01 GASKET(1") [ 4-3] Diaphragm Seal Pressure Gauge (B) [ 4-4] 2

18 2 Pressure Transmitter 1) Impulse Line Pressure Transmitter TUBE(1/2") 4 GATE VALVE(1/2") 2 MALE CONNECTOR(1/2") 6 PIPE TEE(1/2") 3 TUBE TEE(1/2") 7 DRAIN PLUG(1/2") [ 4-5] Diaphragm Seal Type Pressure Gauge (A) Impulse Line Tap (Service Tap ) - Gas, HP Steam : ~ 45 - MP, LP Steam : ~ 45 - Liquid : ~ 45 3

19 2) Corrosive, High Viscosity, High Pour Point, Slurry Service Element Diaphragm Remote Seal Type 4-6 [ 4-6] Diaphragm Remote Seal Type 3) Transmitter Conduit Connection FLEXIBLE CONDUIT(16 mm) 5 CONDUIT TEE(22mm) 2 FLUSH REDUCER(22mm x 16mm) 4 6 DRAIN PLUG(16 mm) 3 SEALING FITTING(16 mm) 7 CONDUIT NIPPLE(16 mm) 4 UNION(16 mm) [ 4-7] Transmitter Conduit Connection

20 Pressure Gauge, (Transmitter), (Impulse Line), 2) ( ) 2-2 m 1 1 < L 7 7 < L 15 ± 10 mmh 2 O 1 B 1 B ± 100 mmh 2 O 8/ 6 ± 100 ~ ± / 10 8/ 6 mmh 2 O 1/4 B 8/ 6 1/4 B 2 B 2B 1/2 B 1/2 B 12/ 10 1/2 B ± 05 kg/cm 2 1/4 B 1/4 B 8/ 6 12/ 10 1/4 B 12/ 10 1/2 B 8/ 6 12/ 10 1/4 B 1 B 1/2 B 1/2 B 1/2 B 1/2 B (1) 1B 1 inch Pipe (2) 8/ 6 8mm/ 6mm (3) 7m [ 2-2] ( ) 3) Maintenance Remote Diaphragm Seal 316SUS Tube 3) (1) (2), (Ambient Temp ) (3) Maintenance, 4) Conduit, Conduit Flexible Conduit Cable CVV-AMS 125SQ (#16 AWG) Signal Cable 2" Stanchion Blacket 5

기능.PDF

기능.PDF 1 1) 1 2) SK COMPLEX 1 Heating Cooling 3) 1 2 2 3 1) 2 2) 3 4 1) Floating Type Heat Exchanger 8 2) Fixed Type Heat Exchanger 11 3) U-Type Heat Exchanger 13 4) Air Fan Cooler 15 5) Double Pipe Heat Exchanger