DW-120/8 நைட்ரஜன் அமுக்கி – சவாலான தொழில்துறை எரிவாயு உள்கட்டமைப்பிற்கான, மிக அதிக கொள்ளளவு கொண்ட எண்ணெய் இல்லாத N2 பூஸ்டர்

Engineered to deliver an exceptional 120 m³/min at 0.80 MPa discharge pressure, the DW-120/8 is a two-stage, two-row oil-free piston nitrogen compressor purpose-built for mega-scale cryogenic air separation, high-pressure VPSA booster stations, and extensive petrochemical pipeline distribution networks. Zero lubricant contamination, continuous-duty rated, and optimized for 24/7 operation at the highest industrial throughput levels.

தயாரிப்பு கண்ணோட்டம்

தி DW-120/8 nitrogen compressor represents the pinnacle of our oil-free piston compressor engineering, occupying the ultra-high-capacity segment of our industrial nitrogen booster portfolio. With an extraordinary rated capacity of 120 m³/min and a robust 0.80 MPa discharge pressure, this unit is engineered to serve the most demanding nitrogen distribution requirements in mega-scale industrial gas infrastructure worldwide.

What distinguishes the DW-120/8 from all conventional alternatives is its completely oil-free compression pathway utilizing self-lubricating PTFE composite piston rings and rider bands. These advanced sealing elements operate without any hydrocarbon lubricants, ensuring the nitrogen product stream remains entirely free of oil contamination. This intrinsic oil-free characteristic delivers ISO 8573-1 வகுப்பு 0 சான்றிதழ் natively, eliminating the capital expenditure, maintenance burden, and energy penalty of downstream oil-removal filtration systems. For operators in food processing, pharmaceutical manufacturing, semiconductor fabrication, and petrochemical processing, this native purity is non-negotiable.

The compressor architecture employs a two-stage, two-row (二列二级) configuration that optimally distributes the substantial pressure ratio across two compression cylinders. This staged approach is essential for managing the thermal loads associated with compressing 120 m³/min to 0.80 MPa while preserving the integrity of the PTFE sealing elements. Each stage features a high-efficiency intercooler, ensuring gas temperatures remain within safe operating envelopes even during sustained maximum-capacity operation. The massive cast-iron frame and dynamically balanced forged steel crankshaft are rated for a minimum service life of 120,000 மணிநேரம் under rigorous maintenance protocols.

Technical Specifications – DW-120/8

* அனைத்து விவரக்குறிப்புகளும் தரநிலை குறிப்பு நிபந்தனைகளின் (ISO 1217, இணைப்பு C) அடிப்படையில் மதிப்பிடப்பட்டுள்ளன. உண்மையான செயல்திறன், தளத்தின் உயரம், சுற்றுப்புற வெப்பநிலை மற்றும் உள்ளீட்டு நிலைமைகள் ஆகியவற்றைப் பொறுத்து மாறுபடலாம்.

முக்கிய அம்சங்கள் மற்றும் பொறியியல் நன்மைகள்

1. Ultra-High-Capacity Oil-Free Compression

The DW-120/8 employs a proprietary self-lubricating piston ring and rider band system manufactured from high-performance PTFE composites reinforced with glass fiber and bronze particulates. This advanced material formulation achieves a coefficient of friction below 0.06 without any external hydrocarbon lubrication, completely eliminating the risk of oil vapor carryover into the nitrogen product stream. At 120 m³/min capacity, even trace oil contamination would represent a massive cumulative contamination burden—making the DW-120/8’s native oil-free design absolutely critical. For industrial gas operators, this delivers native ISO 8573-1 Class 0 compliance without the capital cost, maintenance burden, or energy penalty of downstream oil-filtration equipment that would be required for a lubricated compressor of this scale.

2. Two-Stage Thermodynamic Optimization for High Pressure

தி two-stage compression architecture of the DW-120/8 is thermodynamically optimized for the demanding 0.80 MPa discharge pressure target while managing the enormous flow volume of 120 m³/min. By dividing the overall pressure ratio between a low-pressure cylinder and a high-pressure cylinder, the compressor achieves a significantly lower mean effective temperature per stage. A dedicated high-capacity shell-and-tube intercooler between stages removes the substantial heat of compression, maintaining discharge temperatures below 155°C even at maximum continuous load. This thermal management is essential for preserving PTFE ring integrity at this scale and extends valve plate service life by approximately 40% compared to single-stage designs operating at equivalent pressure ratios.

3. Massive Cast-Iron Frame with Superior Force Balance

பிரதான சட்டகம் இதிலிருந்து வார்க்கப்படுகிறது GG25 சாம்பல் வார்ப்பிரும்பு (equivalent to ASTM A48 Class 30B) with integral cooling water passages. The two-row opposed-cylinder arrangement provides natural first-order force cancellation, reducing the unbalanced inertia forces transmitted to the foundation by over 80% compared to single-row designs. Despite the massive 15.00-tonne weight, this mechanical advantage permits installation on a reinforced concrete inertia block of 25–30 tonnes—proportionally lighter than the foundation requirements for single-row compressors of equivalent capacity. This foundation efficiency is particularly valuable for retrofit installations in existing compressor houses where civil modifications are costly and disruptive.

4. High-Power Medium-Voltage Motor Drive

The DW-120/8 is driven by a 710 kW medium-voltage induction motor available in either 6kV or 10kV configurations, conforming to IEC 60034-1 efficiency class IE3. At this power level, medium-voltage drive is essential—a 380V motor would require impractical cable sizes and switchgear ratings. The medium-voltage configuration integrates directly into industrial medium-voltage distribution networks, minimizing I²R losses in power cabling and improving overall energy efficiency. For large industrial facilities with 6kV or 10kV bus systems, the DW-120/8 offers seamless electrical compatibility without additional infrastructure investment.

பயன்பாட்டு சூழ்நிலைகள்

Mega-Scale Cryogenic Air Separation Plants

In mega-scale cryogenic ASU facilities producing 5,000–15,000 Nm³/h of gaseous nitrogen, the DW-120/8 serves as the primary high-capacity nitrogen booster between the cold box and the extensive distribution network. Its 120 m³/min capacity matches the output of the largest standalone ASUs, while the 0.80 MPa discharge pressure provides sufficient head for long-distance pipeline distribution to multiple downstream consumers across an integrated industrial complex. The oil-free design is critical in these applications because any oil contamination would compromise nitrogen purity across the entire distribution network, affecting sensitive processes in semiconductor, pharmaceutical, and food manufacturing facilities served by the same header.

Large-Scale VPSA Nitrogen Booster Stations

For large VPSA nitrogen generator installations producing 99.5–99.9% purity nitrogen at near-atmospheric pressure, the DW-120/8 nitrogen booster compresses the low-pressure product to 0.80 MPa for high-pressure distribution across extensive industrial sites. The 120 m³/min capacity can serve multiple large VPSA generators operating in parallel, creating a centralized nitrogen supply hub. The oil-free compression path is absolutely essential in VPSA service because hydrocarbon contamination would irreversibly poison the carbon molecular sieve adsorbent, degrading separation efficiency across all generators and necessitating costly adsorbent replacement on a massive scale.

Integrated Petrochemical Complex Nitrogen Distribution

In integrated petrochemical complexes, the DW-120/8 provides high-pressure nitrogen for reactor inerting, catalyst preservation, pipeline purging, emergency nitrogen injection, and tank farm blanketing across multiple process units. The 0.80 MPa discharge pressure is sufficient to overcome the pressure ratings of typical process vessels, distillation columns, and reactor systems, allowing direct nitrogen injection without intermediate boosting. The 120 m³/min capacity can simultaneously serve an entire complex through a centralized high-pressure nitrogen header, eliminating the need for multiple smaller compressors and reducing overall maintenance complexity. The oil-free certification is mandatory for petrochemical applications where nitrogen contacts catalyst beds or enters process streams.

LNG Regasification Terminal Inerting

LNG regasification terminals require massive volumes of nitrogen for storage tank inerting, pipeline purging, and emergency gas displacement during maintenance and upset conditions. The DW-120/8’s 120 m³/min capacity can rapidly inert large LNG storage tanks and maintain positive nitrogen pressure during product withdrawal cycles. The 0.80 MPa discharge pressure provides adequate head for distribution across the terminal’s extensive piping network. The oil-free design prevents oil contamination of LNG product, which would create off-specification gas and compromise downstream combustion equipment.

பொருள் மற்றும் கட்டுமானம்

The DW-120/8 is constructed from premium materials selected for nitrogen compatibility, high-pressure service, and extended operational life at massive scale:

அனைத்து அழுத்தம் தாங்கும் கூறுகளும் கண்டிப்பாக விதிமுறைகளுக்கு இணங்க வடிவமைக்கப்பட்டு தயாரிக்கப்படுகின்றன. ASME BPVC பிரிவு VIII பிரிவு 1 or Chinese GB 150 standards. Every weld joint undergoes 100% radiographic inspection (RT) per ASME Section V, Article 2, and each completed pressure vessel is subjected to a hydrostatic pressure test at 1.5 times the maximum allowable working pressure (MAWP) for a minimum hold period of 30 minutes.

நிறுவல் மற்றும் பராமரிப்பு வழிகாட்டுதல்கள்

அடித்தளம் மற்றும் கட்டமைப்புத் தேவைகள்

The DW-120/8 has a dry weight of 15.00 tonnes and a center of gravity approximately 1,000 mm above the baseplate. Despite the massive scale, the two-row opposed-cylinder design minimizes unbalanced forces, permitting installation on a reinforced concrete inertia block of 25–30 tonnes. The block should be mounted on heavy-duty elastomeric vibration isolators (natural frequency 5–7 Hz) to prevent vibration transmission to adjacent structures and sensitive instrumentation. Minimum clearance requirements: 2.0 m on the non-drive side for valve access, 1.5 m on the drive side for motor maintenance, and 2.5 m overhead for crane access during major overhauls. The foundation must be designed to support the full static weight plus a dynamic factor of 1.5.

குளிரூட்டும் நீர் அமைப்பு வடிவமைப்பு

குளிரூட்டும் நீரின் தேவை தோராயமாக 120 m³/h at an inlet temperature not exceeding 32°C. The water distribution circuit supplies the cylinder jackets, intercooler, and aftercooler in parallel branches with individual flow control valves. Water quality specifications: pH 6.5–8.5, total dissolved solids < 500 mg/L, chloride content < 50 mg/L (to prevent SS316 tube corrosion), suspended solids < 30 mg/L, and total hardness < 300 mg/L as CaCO₃. For sites with marginal water quality, a dedicated closed-loop cooling tower with side-stream filtration, water softening, and chemical treatment is mandatory to prevent scale formation and corrosion in the high-capacity coolers.

தடுப்பு பராமரிப்பு அட்டவணை

The oil-free design of the DW-120/8 dramatically reduces maintenance complexity compared to lubricated alternatives of equivalent capacity. There are no oil changes to schedule, no lubricating oil samples to analyze, no oil filter elements to replace, and no oil separator cartridges to monitor. The primary consumable wear items are the PTFE பிஸ்டன் வளையங்கள் மற்றும் ரைடர் பேண்டுகள், which typically achieve 4,000–6,000 hours of service life under clean nitrogen conditions. At this scale, the elimination of oil-related maintenance represents annual savings of $15,000–$25,000 in labor and consumables alone.

இணக்கம் மற்றும் பாதுகாப்புச் சான்றிதழ்கள்

The DW-120/8 nitrogen compressor is designed, manufactured, and tested to meet or exceed the following international standards and regulatory frameworks:

செயல்திறன் மற்றும் திறன் பகுப்பாய்வு

The DW-120/8 achieves a specific power consumption of approximately 5.92 kW per m³/min of nitrogen delivered at 0.80 MPa discharge pressure. This efficiency metric is exceptional for an ultra-high-capacity oil-free piston compressor operating at an elevated pressure ratio, positioning the unit in the top tier of the 100+ m³/min capacity class. For comparison, oil-lubricated screw compressors in similar high-pressure, high-flow applications typically consume 6.2–7.0 kW/m³/min, while legacy piston designs may exceed 7.5 kW/m³/min at equivalent discharge pressures.

Over a standard 8,000-hour annual operating schedule, the DW-120/8’s efficiency advantage generates approximately 240,000–480,000 kWh of annual energy savings compared to less efficient alternatives. At an average industrial electricity tariff of $0.08/kWh, this represents $19,200–$38,400 in direct operating cost reduction per year. When combined with the complete elimination of oil-related consumables (lubricating oil, filter elements, separator cartridges, waste oil disposal, and oil analysis), the total cost of ownership for nitrogen compression is reduced by an estimated 22–32% over a 10-year operational life.

The absence of oil in the compression path also eliminates the energy penalty associated with downstream oil-removal equipment. A typical oil-lubricated compressor of this size would require massive coalescing filter systems, activated carbon adsorber beds, and continuous oil monitoring instrumentation that collectively consume 3–5% of the compressor’s power output—equivalent to 21–35 kW of parasitic load. The DW-120/8’s oil-free design removes this parasitic load entirely, further improving effective system efficiency and reducing the electrical infrastructure requirements.

தனிப்பயனாக்கம் மற்றும் OEM திறன்கள்

We offer comprehensive customization options to adapt the DW-120/8 to specific site conditions, integration requirements, and end-user specifications:

• சறுக்குப்பலகை பொருத்தப்பட்ட முழுமையான தொகுப்புகள்: The compressor, motor, intercooler, aftercooler, instrumentation, and control panel are pre-assembled on a heavy structural steel skid with integrated lifting lugs and anchor bolt templates. Factory pre-testing of all systems reduces field installation time by approximately 60% and minimizes commissioning risks.
• அபாயகரமான பகுதி உள்ளமைவுகள்: ATEX Zone 2 and IECEx compliant motor and electrical enclosures are available for installations in petrochemical facilities where explosive atmospheres may occasionally be present. Integrated gas detection and automatic ventilation interlocks can be incorporated into the control system.
• மேம்பட்ட செயல்முறைக் கட்டுப்பாடு: Optional Siemens S7-1500 or Allen-Bradley ControlLogix PLC with 15-inch HMI touchscreen, remote monitoring via Modbus TCP/IP or OPC-UA, and seamless integration with plant DCS/SCADA systems. Automatic load/unload control, variable frequency drive (VFD) compatibility, and predictive maintenance algorithms optimize part-load efficiency and reduce mechanical wear.
• Environmental Protection Systems: C5-M marine-grade coating systems for coastal or offshore installations; tropicalized electrical components for ambient temperatures up to 55°C; and IP54-rated acoustic enclosures that reduce noise emission from 88 dB(A) to 74 dB(A) at 1 meter, suitable for installations near administrative buildings or residential areas.
• OEM & Private Label Programs: Custom paint colors, branded nameplates, and localized documentation packages are available for gas equipment distributors and system integrators. Technical manuals, spare parts lists, and maintenance procedures can be supplied in multiple languages.

தனிப்பயன் உள்ளமைவுகள் இங்கிருந்து கிடைக்கின்றன குறைந்தபட்ச ஆர்டர் அளவு 1 அலகு. Engineering review and proposal generation typically require 7–10 business days due to the complexity of ultra-high-capacity systems. Standard delivery time is 14–16 weeks; repeat orders are delivered in 10–12 weeks from order confirmation.

Case Study: Integrated Petrochemical Complex Nitrogen Hub

வாடிக்கையாளர்: A major integrated petrochemical complex in the Middle East with ethylene crackers, polyethylene plants, and aromatics units

சவால்: The complex was operating three aging oil-lubricated nitrogen compressors (combined capacity 100 m³/min at 0.60 MPa) that were experiencing frequent oil carryover into the nitrogen distribution network. Oil contamination was fouling catalyst beds in the ethylene crackers, causing unplanned shutdowns costing $500,000 per event. The 0.60 MPa pressure was also insufficient for new high-pressure reactor inerting requirements. Maintenance costs across the three compressors had escalated to $220,000/year, and spare parts availability was becoming problematic due to the age of the equipment.

தீர்வு: We supplied a single DW-120/8 oil-free nitrogen compressor to replace all three aging units, configured on a custom skid with integrated intercooler, aftercooler, and a Siemens S7-1500 PLC control panel with full SCADA integration. The 0.80 MPa discharge pressure met all new high-pressure inerting requirements, while the 120 m³/min capacity provided a 20% margin above peak demand. A 10 m³ surge vessel was installed upstream to buffer demand fluctuations across the complex. The oil-free design eliminated catalyst bed fouling entirely.

Quantified Results After 30 Months:

• Nitrogen oil content: Reduced from 5.8 mg/m³ to <0.01 mg/m³, achieving ISO 8573-1 Class 0 certification
• Catalyst bed fouling incidents: முற்றிலுமாக அகற்றப்பட்டது, saving $500,000 per avoided shutdown
• Annual maintenance cost: Reduced by 48% ($220,000 to $114,400) through elimination of oil-related repairs across three units
• Energy consumption: Improved by 8.2% versus the three replaced units, saving approximately $42,000/year
• Footprint reduction: Replaced three compressors with one, freeing 40 m² of compressor house space
• Unplanned downtime: Zero events in 30 months of continuous operation

“The DW-120/8 has been a game-changer for our nitrogen supply. Eliminating oil contamination saved us from two catalyst bed replacements that would have cost $2.5 million each. The single-unit simplicity has reduced our maintenance team workload by 60%, and the energy savings are a welcome bonus.” — Chief Operations Officer, Petrochemical Complex

அடிக்கடி கேட்கப்படும் கேள்விகள் மற்றும் தேர்வு வழிகாட்டி

தொடர்புடைய தயாரிப்புகள் மற்றும் தீர்வுகள்

எங்கள் விரிவான கண்ணோட்டத்திற்கு தொழில்துறை நைட்ரஜன் அமுக்கி எண்ணெய் இல்லா ஆக்சிஜன் அமுக்கிகள், ஹைட்ரஜன் அமுக்கிகள், கார்பன் டை ஆக்சைடு அமுக்கிகள் மற்றும் பிரத்யேகமாக வடிவமைக்கப்பட்ட சிறப்பு வாயுத் தீர்வுகள் உள்ளிட்ட எங்கள் தயாரிப்புத் தொகுப்பைப் பற்றி அறிய, எங்கள் பயன்பாட்டுப் பொறியியல் குழுவைத் தொடர்பு கொள்ளவும் அல்லது எங்கள் இணையதள தயாரிப்புப் பட்டியலைப் பார்வையிடவும்.

Ready to Transform Your Mega-Scale Nitrogen Infrastructure?

உங்கள் நைட்ரஜன் பாய்வுத் தேவைகள், உறிஞ்சும் நிலைமைகள், வெளியேற்ற அழுத்த இலக்குகள் மற்றும் ஒருங்கிணைப்புக் கட்டுப்பாடுகளை மதிப்பிடுவதற்கு எங்கள் பயன்பாட்டுப் பொறியாளர்கள் தயாராக உள்ளனர். உங்கள் விசாரணையைப் பெற்ற 48 மணி நேரத்திற்குள், நாங்கள் இலவச தொழில்நுட்ப முன்மொழிவுகள், அடித்தள தளவமைப்பு வரைபடங்கள், குழாய் மற்றும் கருவியமைப்பு வரைபடங்கள் (P&IDs) மற்றும் விரிவான மொத்த உரிமையாளர் செலவு (TCO) பகுப்பாய்வுகளை வழங்குகிறோம்.

மின்னஞ்சல்: [email protected] 24 மணி நேரத்திற்குள் பதில் அளிக்கப்படும்