[General Description]
- Melting Capacity: max 300kg/batch
- Hybrid Atomizing Powder Production Speed: max 15kg/min
- Atomizer: Gas&Water Hybrid Type
- Powder Median Size (D50): <20㎛
- Powder Geometric Standard Deviation (σg): <1.8

1. Induction Melting Furnace Unit
1) Melting Power Supply #1
가) Capacity : 300kg Melting for Steel,
나) Dual Output Switching Selector

2) Induction Melting Furnace #1
가) Capacity : 300kg Melting for Steel
나) Crucible : Alumina , Operating Temperature : max. 1900°C
다) Top Lid for Inert Atmosphere
라) Melt Upper Pouring Type towards One Spot
마) T/C Port. View Port, Gas Purging Port, Door Port.

3) Induction Melting Furnace #2
가) Capacity : 100kg Melting for Steel
나) Crucible : Alumina, Operating Temperature: max. 1900°C
다) Top Lid for Inert Atmosphere
라) Melt Upper Pouring Type towards One Spot
마) T/C Port. View Port, Gas Purging Port, Door Port.

4) Furnace Tilting & Moving Device
가) The ability to pour molten metal into an area within 50x50mm
나) Double Tilting of Melting Furnace
다) Horizontal Moving for Melting Furnaceand Position Control
라) Hydraulic Servo System

5) Furnace Cooling Device
가) EVACON Type

6) Bus-bar & Power cable
가) Bus-bar
나) Water Cooling Cable

7) Control
가) T/C :Thermometer (600~2500℃)
나) Tilting Control
다) Hydraulic Servo System Control

2. Induction Melting Tundish Unit
1) Melting Power Supply #2
가) Capacity : 50kg Melting for Steel
나) Dual Output Switching Selector

2) Induction Melting Tundish #1
가) Capacity : 50kg Melting for Steel
나) Case : STS304
다) Crucible :Silica or Alumina , Operating Temperature : max. 1900°C
라) Stopper : BN Rod, Air Cylinder, Guide Rail
마) Melt Bottom Pouring Type through Orifice
바) Gas Purging Flow Control (Ar/N2)
사) T/C :Thermometer (600~2500℃)

3) Induction Melting Tundish #2
가) Capacity : 15kg Melting for Steel
나) Pressurized Melting Chamber with Upper Chamber & Lower Chamber
다) Chamber Pressure : max 10 bar
라) Stopper :High pressure chamber buried type, BN Rod
마) Crucible : Alumina
바) Chamber Size : STS304
사) Opening & Closing Action of Upper Chamber with Stopper
아) Operating Temperature: max. 1900°C
자) Melt Bottom Pouring Type through Orifice
차) Gas Purging Flow Control (Ar/N2)
카) T/C :Thermometer (600~2500℃)

4) Control
가) PC Base Control : HMI (PC) & Manual Operator Panel
나) Melting Power Supply to RS-485 Communication
다) Melting Temperature Control
라) T/C :Thermometer (600~2500℃)

3. Ultra-Pressure Water Pump Unit
1) Ultra-Pressure Water Pump
가) Pressure >1200bar, Discharge Capacity >130L/min
나) Main Inverter Control Panel-HMI Control
다) Safety Valve 1300 bar, PN-valve 1200 bar
라) Filter 10-50mm, Pressure Gauge 2500bar
마) Frame & Anti-Vibration Pad
바) Soundproof Construction Housing
2) Driving Motor (1ea)
3) Feeding Pump (2ea)
가) Pressure 5bar, Flow Capacity 170L/min

4. Water Circulating Unit
1) Supply & Settling Tank
- Supply Water Tank #1
- Level Sensor (LT), RS-485 ,Steel Band, Stairs, Nozzles
- Level S/W (Upper & Lower Limit)

- Supply Water Tank #2
- Level Sensor (LT), RS-485 , Steel Band, Stairs, Nozzles
- Level S/W (Upper & Lower Limit)

- Settling Water Tank #1
- Level Sensor (LT), RS-485 , Steel Band, Stairs, Nozzles
- Level S/W (Upper & Lower Limit)

- Settling Water Tank #2
- Level Sensor (LT), RS-485 , Steel Band, Stairs, Nozzles
- Level S/W (Upper & Lower Limit)

2) Circulating Piping Unit
- Circulating Pump :Pressure 5 bar, Flowrate 150L/min (3ea)
- Electronic On/Off Valve, Water Flowmeter, Piping &Manual Valve

3) High Pressure Washer
- 10HP, 250bar, 15L/min, Spray Nozzle 5ea, Guide Pipe 3M

5. Water Purifying Unit
1) Ion-Free Water Generator (1ea)
가) Capacity : 1000 L/hr, Microprocess Type
나) Resistivity 15MΩ/cm, TOC :<10ppb

2) Reducing Water Generator (1ea)
가) Capacity : 300 L/hr for total Electrolyzed Water
나) Alkaline Electrolyzed Water 160 L/hr

6. High Pressure Gas Supply Unit
1) Liquid Nitrogen Tank (1ea)
가) Tank Capacity :5ton, D.P. 33bar
나) Auxiliary Vaporizer : Capacity : 200m3/hr, D.P. 33bar

2) Nitrogen Vaporizer (1ea)
가) Main Vaporizer: Capacity : 2500m3/hr, D.P. 33bar
나) Pressure Vessel : Volume 2m3, D.P. 33bar
3) High Pressure Gas pipeInstallation

4) HMI - Status Monitoring

7. Gas Control System Unit
: Must be adjustable to stabilize to target gas pressure within 1 second
1) High Pressure SUS Pipe

2) Main Line : Gas Atomizer Line
가) Electronic On/Off Valve, Welding Type
나) Multilevel Manual Valve
다) Pressure Sensor / Mass Flowmeter Type, Analog Pressure Gage

3) Line A : Main Gas Atomizer Line
가) Electronic On/Off Valve, Welding Type,
나) Multilevel Manual Valves
다) Pressure Sensor / Analog Pressure Gage

4) Line B : Sub Gas Atomizer Line
가) Electronic On/Off Valve, Welding Type
나) Multilevel Manual Valves
다) Pressure Sensor / Analog Pressure Gage

5) Line C : Output Line
가) Pipe Extension, Pipe Conversion Divider, Multilevel Manual Valves

6) Panel Control ->Parent HMI Remote / Local Control

7) Control Mode : Auto / Manual

8. Gas-Water Hybrid Atomizing Unit
: design for hollow swirl water jet atomizer combined with supersonic gas jet
: design for continuous conic water jet atomizer coupled with supersonic gas jet
: design to reduce the oxygen content of the powder to 0.15% or less
: design to improve the sphericity of the powder during water atomizing
: Powder Median Size (D50): <20㎛
: Powder Geometric Standard Deviation (σg): <1.8

1) Sonic Gas-Swirling Water Hybrid Atomizer (1ea)
가) Primary Nozzle :
- STS304 (Main) + STS310 (Center)
- Fluid Media : N2 Gas, Slit-Jet Type
- Gas Jet Velocity :Supersonic
- Tangentialto radial change gas input along double directions
나) Major Nozzle :
- STS630 (Main) + STS630 (Center)
- Fluid Media : Water
- Hollow Swirling Jet Type
- Ultra-Pressure Water Supply Tube and Fitting
- Tangential water input along double directions
다) Mounting Frame : STS304
라) Atomizing Nozzle Back Pressure Measure Module
마) Automatic storage of pressure based on vertical height
바) With vertical height adjustment device

2) Supersonic Gas-Conical Water Hybrid Atomizer (1ea)
가) Primary Nozzle :
- STS304 (Main) + STS310 (Center)
- Fluid Media : N2 Gas, Slit-Jet Type
- Gas Jet Velocity : Supersonic
- Tangentialto radial change gas input along double directions
나) Major Nozzle :
- STS630 (Main) + STS630 (Center)
- Fluid Media : Water
- Continuous Conical Jet Type
- Ultra-Pressure Water Supply Tube and Fitting
- Tangentialto radial change water input along double directions
다) Mounting Frame : STS304

9. Gas-Plasma Hybrid Atomizing Unit
: design for plasma jet atomizer coupled with supersonic gas jet
: design to improve the sphericity of the powder during gas atomizing

1) Supersonic Gas-Hot Plasma Hybrid Atomizer (1ea)
가) Primary Nozzle :
- STS304 (Main) + STS310 (Center)
- Fluid Media : N2 Gas, Slit-Jet Type
- Gas Jet Velocity :Supersonic
- Tangentialto radial change gas input along double directions
나) Major Nozzle :
- Triple Supersonic Hot-Gas Plasma Gun Nozzles arranged radially
- Fluid Media : N2 Gas
- Maximum Output : 60kW per Gun Nozzle
- Discharging Gas Jet Temperature : max 5000°C
- Gas Jet Designed Velocity :Supersonic
다) Triple Gun Nozzle Adapter :
- Impact Angle Adjustment
- Focal Length Variation
라) Mounting Frame : STS304

2) Hot-Gas Plasma Generator (3ea)
가) Triple Power Supplies for each Plasma Gun Nozzle
나) Remote & Local Mode : Providing Analog I/O and Parallel Operation Function

10. Atomizing Chamber Unit
: design for one device to be used for both water atomizing, gas atomizing, and plasma atomizing
1) Upper Chamber Cover (1ea)
가) Dual Wall Cover & Water Cooling, STS304

2) Main Atomizing Chamber (1ea)
가) Dual Wall Chamber & Water Cooling, STS304
나) Chamber Interior Cooling Gas Nozzle
다) Chamber Interior Cooling Water Nozzle
라) Gas Sprayed Window, Measuring Port,
마) Water Overflow Outlet, Cyclone Exhaust Port
바) Chamber VacuumTightness :50 torr, Vacuum Sensor : 1~760 torr

3) Lower Chamber Hopper (1ea)
가) Dual Wall Hopper & Water Cooling, STS304

4) Water Buffer Chamber (1ea)
가) STS304

11. Powder Collecting Unit
1) Dry Powder Collector #1 (1ea)
가) STS304, Dual Wall & Water Cooling
나) Gas Cooling of Powder inside Collector
다) For collecting 300kg steel powder

2) Dry Powder Collector #2 (1ea)
가) STS304, Dual Wall & Water Cooling
나) Gas Cooling of Powder inside Collector
다) For collecting 100kg steel powder

3) Dry Powder Collector #3 (1ea)
가) STS304, Dual Wall & Water Cooling
나) Gas Cooling of Powder inside Collector
다) For collecting 30kg steel powder

4) Wet Powder Collector #1 (1ea)
가) STS304
나) For collecting 300kg steel powder

5) Wet Powder Collector #2 (1ea)
가) STS304
나) For collecting 100kg steel powder

6) Wet Powder Collector #3 (1ea)
가) STS304
나) For collecting 20kg steel powder

7) Collector Moving Device (1ea)
가) Up-and-down motion, Horizontal Motion with Wheel

12. Dewatering & Drying Unit
1) Vacuum Dehydrator (1ea)
가) Vacuum Filter Dewatering Type
나) Separable Particle Size: >0.05μm
다) Final Water Content : 8%
라) Feeding Capacity : 100kg/Batch (10min)

2) Powder Mixing Dryer (1ea)
가) Double Cone Mixer Type, rpm <120
나) Drying Capacity 100kg/batch (30min), STS304
다) Heated Nitrogen Gas Flow rate : max. 200C 100L/min

13. Powder Classifying Unit
1) Coarse Powder Classifier (1ea)
가) Ultrasonic Screen Sieving Type, Cut Particle Size 45 to 500μm
나) Ultrasonic Sieving System
다) Ultrasonic Screen & Resonator
라) Control Panel

2) Fine Powder Classifier (1ea)
가) Turbo Air Classifying Type, Cut Particle Size 1 to 45μm
나) Capacity : 150kh/Hr, Material : STS304 (Housing, Rotor, Cyclone, Frame)
다) Inlet Hopper, Inlet Bin &Structure, Supply Feeder : Capacity 150kg
라) Cyclone, Vent Bag ,Turbo Blower

14. Cyclone Separating Unit
1) Cyclone Separator (1ea)
- Cyclone Main Cylinder :Dual Wall & Water Cooling
- Cyclone Lower Hopper : Dual Wall & Water Cooling

2) Turbo Blower (1ea)
- Inverter, Control Panel
- Filters

15. PC Base Process Control Panel
1) PC Base Control Mode :Part별 운용HMI 구성

2) 각 Part별 PLC Network 구성

3) Sensor류 (Pressure, flow, Temp … etc) : RS-485통신으로 구성

4) 각 Part 별 Touch Panel 구성.

5) Control Mode : Auto/Manual 전환운전 및 제어위치 선택이 가능하도록 구성

6) Melting & Hot-Gas Control Panel
가) PLC Control, Touch Panel Type
나) Hydraulic Servo Motion Control
다) Melting Furnace Power Control
라) Melting Tundish Power Control
마) Hot-Gas Power Control
바) Hydraulic &Evacon Control
사) Gas Atomizing Control Panel
아) Water Atomizing Control Panel
자) Dewatering & Drying Unit Control Panel
차) Fine Powder Classifier Control Panel
카) Process Data Viewing & Saving Unit
- Water Hybrid Atomizer &Gas Atomizer Process AI/AO 전체 가동Data 저장
(온도, 산소농도, 압력, 유량, 공정 영상 저장)
- UHD CCD & 모니터
타) Workstation급 PC 2set, 32”Monitor컨트롤 터치스크린
파) UHD CCD& Monitor

16. Platform & Utility
1) Main Frame
가) 각 층별 작업공간 확보
나) Control Room (현장사정에 맞게 크기 가변적), PC데스크, Monitoring
다) Ultra-Pressure Water Pump Room (방음/방진)
라) 안전 관련 펜스 설치 (안전규격) 및 미끄럼 방지시설 확보
마) 유지보수가 편리한 구조로 프레임 제작
바) 구조재 : H Beam구조
사) 바닥판 : 무늬판
아) 핸드레일 &계단 : SS41 Pipe

2) Utility
가) 전원용량 : 3Φ, 440V, 400kw / 3Φ, 380V, 250kw 이내로 설계
나) 전원설계 시 필요한 저압부분은 장비제작업체에서 별도의 변압기를 설치
다) 각 Part 전원공급용 MCCB 분전반을 설치

17. 현장 조립 및 설치