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SED-10ZD-A

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SED-10ZD-A

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SED-10ZD-A — PSA Nitrogen Generator System

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SED-10ZD-A PSA (Pressure Swing Adsorption) nitrogen generator. Twin-tower carbon-molecular-sieve system that produces 10 m³/h of nitrogen at 99.9% purity, outlet pressure ≤0.6 MPa, on 220 V/50 Hz single-phase power (only

GB150-1998 Pressure Vessel Safety Technical Supervision RegulationGB150-1998 Steel Pressure VesselsGB/T 3277-91 General compressed air quality gradesGB10893-89 Compressed air drying specifications and testingGB-4706.1-92 General safety requirements for household and similar electrical appliancesGB/T 12243-91 Spring direct-load safety valves

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Fonctionnement

Compressed air from screw compressor passes through buffer tank, refrigerated dryer, three-stage precision filtration (T/AH/HT) and an activated-carbon micro-oil de-oiler, then enters one of two adsorption towers filled with carbon molecular sieve (Takeda CMS-260). At pressure, O2 and CO2 diffuse faster into the sieve micropores than N2, so N2 enriches and exits to the nitrogen buffer tank. The two towers alternate (PLC + Toolmate pneumatic angle-seat valves with >3 million cycle life): one adsorbs while the other depressurizes and regenerates. Pressure equalization between towers recovers residual N2. Online purity analyzer (ChangAi) monitors outlet; off-spec gas is auto-vented; N2 is auto-resumed once purity recovers.

Processus de fonctionnement

1Compressed air from screw compressor passes through buffer tank, refrigerated dryer, three-stage precision filtration (T/AH/HT) and an activated-carbon micro-oil de-oiler, then enters one of two adsorption towers filled with carbon molecular sieve (Takeda CMS-260).

2At pressure, O2 and CO2 diffuse faster into the sieve micropores than N2, so N2 enriches and exits to the nitrogen buffer tank.

3The two towers alternate (PLC + Toolmate pneumatic angle-seat valves with >3 million cycle life): one adsorbs while the other depressurizes and regenerates.

4Pressure equalization between towers recovers residual N2.

5Online purity analyzer (ChangAi) monitors outlet; off-spec gas is auto-vented; N2 is auto-resumed once purity recovers.

Caractéristiques techniques

Caractéristiques de la variante : Bundled package SKUs: SED-10ZD-A-10AM (7.5 kW screw compressor

Caractéristiques

Modèle

SED-10ZD-A

Tension

AC 220V 50Hz single-phase (PSA controller); compressor needs AC 380V 50Hz three-phase, 7.5 kW

Fluides et énergie

Compressed air: 0.8 Nm³/min at 0.8 MPa(G), oil ≤5 ppm, dust ≤1 mg/m³, particle size ≤3 μm, temperature ≤Amb+8 °C; Cooling water (recirculating); Electricity 220V/50Hz, ≤0.1 kW for the PSA skid; Indoor ambient ≤38 °C with good ventilation

Détails de conformité

Built and inspected per Chinese GB pressure vessel and compressed-air standards (see certifications). Pressure vessels supplied with safety valves, pressure gauges and drainage devices, plus pressure-vessel qualification certificates. Indoor installation, ambient -10 to 40 °C, RH ≤80%. Equipment must be ≥1000 mm from walls or other equipment; sewage outlet must be piped outside the equipment. Cabinet noise ~40 dB(A).

Puissance

0.12 kW

Pression d’air

Inlet compressed air 0.8 MPa(G), 0.8 Nm³/min (incl instrument air); outlet N2 ≤0.6 MPa

Dimensions

Emprise au sol

Skid-mounted; equipment must sit ≥1000 mm from walls or other equipment; compressor exhaust and PSA silencer outlets piped outside the room

Matériaux

Matériaux en contact

Q345 carbon steel (pressure vessels and tanks); activated alumina (protection layer); CMS-260 carbon molecular sieve (adsorbent)

Matériaux du bâti

Carbon steel main body; skid-mounted base frame

Caractéristiques principales

PSA twin-tower architecture, 24/7 unattended operation

Reaches spec ~30 minutes after start

Skid-mounted, plug-and-play installation

Online N2 purity, flow and pressure monitoring with audio-visual alarm

Auto-vent of off-spec N2; auto-stop after sustained off-spec (time-configurable)

Pneumatic-cylinder + spring molecular sieve top compaction (auto-tightens, alarms if loose)

Toolmate pneumatic angle-seat valves rated >3 million cycles

Special silencer keeps noise around 40 dB(A)

Self-diagnostic fault system

Load-following energy saver: PLC adjusts tower switching period to actual N2 demand

Labyrinth gas distributor + activated alumina protection layer + tree-root center gas collector + 'snowstorm' molecular-sieve loading method

PLC RS485/RS232 dual-channel MODBUS-RTU interface to customer DCS, plus dry-contact alarm/run/remote-stop signals (220 VAC, 2 A)

Lower per-m³ N2 cost than cryogenic air separation

Single-source from a manufacturer that also makes the compressed-air purification skid (clean turnkey responsibility)

Pulse-tested twin-tower valves rated >3 million cycle life

Energy-saving load-following control (cuts compressed air use proportionally when N2 demand drops)

Total bundled price USD 7000 for the full skid (includes compressor, buffer tanks, refrigerated dryer, filtration set, PSA generator and N2 buffer tank)

Applications

Pharmaceutical raw material protection and N2-flushed packaging

Food / agricultural produce N2 modified-atmosphere storage (fruits, vegetables, rice, tea, dried fruit, seeds, herbs)

Chemical / petrochemical inerting, purging, blanketing (polyolefin, plastics processing, synthetic fibre, resins)

Petroleum tank, vessel and pipeline purging

Tyre and rubber product manufacturing protection

Metallurgy: dry coke quenching, hot-metal desulfurization injection

Metal heat treatment: bright annealing, sintering, quenching, gas carburizing

Electronics and electronic component manufacturing line N2 protection

Secteurs

Pharmaceutique

Agroalimentaire et boissons

Chemical and petrochemical

Metallurgy and machinery

Electronics manufacturing

Marques des composants

Takeda Japan — carbon molecular sieve CMS-260

Toolmate — pneumatic angle-seat valves (>3 million cycle life), gate valves, needle control valves

Hankson — precision filters

Delta — PLC

AirTAC — solenoid valves and pneumatic fittings (PL/PC/PM/PE/PY/PEG/PLF series)

ChangAi — N2 purity analyzer

Changzhou Instruments — flowmeter

Aomeng — illuminated power switches

Shun Huan — silicone-oil pressure gauges

Bonit — chassis, AB towers, N2 buffer tank, manual/auto switch, door switch, BUC hand valve, PV08 elbow, 165/219 brown gaskets

Wangao — universal casters

Jinyunyang — pressure controller

Delixi — pressure regulating valve,oil-water separator

Jayand — regulating valve,M8 regulating valve

Bull — power cord,waterproof cap

BangYang — check valve

Xin Lei — silencer,brass ball valve

Sharp/USA — flange

Yueqing — PU tubing

Submarine — 7-valve mixing plate,2-point plug,1.2-inch plug,2-point thread

Wei Star — high-voltage tube

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Conformité

GB150-1998 Pressure Vessel Safety Technical Supervision Regulation

GB150-1998 Steel Pressure Vessels

GB/T 3277-91 General compressed air quality grades

GB10893-89 Compressed air drying specifications and testing

GB-4706.1-92 General safety requirements for household and similar electrical appliances

GB/T 12243-91 Spring direct-load safety valves

JB4730-94 Pressure vessel non-destructive testing

JB4700-4707-92 Pressure vessel flange standards

Compressed-air output to ISO 8573.1 Class 1 quality