Máy nén khí nitơ LW-16.5/13 – Máy tăng áp N2 lưu lượng trung bình, áp suất cao, không dầu, dành cho các ứng dụng công nghiệp đòi hỏi cao.

Engineered to deliver 16.5 m³/min at 1.30 MPa discharge pressure, the LW-16.5/13 is a two-stage, two-row oil-free piston nitrogen compressor purpose-built for high-pressure nitrogen injection, chemical synthesis, and specialized industrial gas distribution where elevated pressure and uncompromised purity converge. Zero lubricant contamination, continuous-duty rated, and optimized for 24/7 operation in the most demanding process environments.

Tổng quan sản phẩm

Cái LW-16.5/13 nitrogen compressor occupies a specialized niche within our oil-free piston compressor portfolio, bridging the gap between medium-flow capacity and high-pressure discharge requirements. With a rated capacity of 16.5 m³/min and an elevated discharge pressure of 1.30 MPa, this unit is engineered for process applications where nitrogen must be delivered at pressures substantially higher than conventional distribution headers.

What distinguishes the LW-16.5/13 from standard nitrogen compressors is its ability to achieve 1.30 MPa discharge pressure while maintaining complete oil-free integrity throughout the compression path. The piston rings and rider bands are fabricated from high-performance self-lubricating PTFE composites specifically formulated for elevated pressure and temperature conditions. This ensures the nitrogen stream remains completely free of hydrocarbon contamination, achieving Chứng nhận ISO 8573-1 Loại 0 without any downstream purification equipment. For chemical synthesis, high-pressure reactor inerting, and specialty gas applications, this native purity is non-negotiable.

The compressor utilizes a hai giai đoạn, hai hàng configuration that is thermodynamically essential for managing the substantial pressure ratio required to reach 1.30 MPa. The pressure ratio is optimally distributed between a low-pressure cylinder and a high-pressure cylinder, with an inter-stage cooler removing the heat of compression between stages. This staged approach limits the discharge temperature of each stage to below 160°C, preserving the dimensional stability of the PTFE sealing elements and extending valve plate service life. The robust cast-iron frame and precision-balanced forged steel crankshaft are rated for a minimum operational life of 120.000 giờ theo các quy trình bảo trì tiêu chuẩn.

Technical Specifications – LW-16.5/13

* Tất cả các thông số kỹ thuật được đánh giá theo điều kiện tham chiếu tiêu chuẩn (ISO 1217, Phụ lục C). Hiệu suất thực tế có thể thay đổi tùy thuộc vào độ cao của địa điểm, nhiệt độ môi trường và điều kiện đầu vào.

Các tính năng chính và ưu điểm kỹ thuật

1. Công nghệ làm kín PTFE không dầu áp suất cao

The LW-16.5/13 employs an advanced Hệ thống vòng piston tự bôi trơn và đai dẫn động manufactured from high-density PTFE composites reinforced with glass fiber, carbon fiber, and bronze particulates. This specialized formulation is engineered for the elevated pressures and temperatures associated with 1.30 MPa discharge operation, achieving a coefficient of friction below 0.06 without any hydrocarbon lubrication. The rings maintain dimensional stability up to 190°C, ensuring reliable sealing performance even during sustained high-pressure operation. For chemical process operators, this delivers Tuân thủ tiêu chuẩn ISO 8573-1 Loại 0 gốc. without downstream oil-filtration capital expenditure or maintenance burden.

2. Nén hai giai đoạn cho tỷ lệ áp suất cực cao

Cái kiến trúc nén hai giai đoạn is not merely beneficial but essential for achieving 1.30 MPa discharge pressure from near-atmospheric inlet conditions. The pressure ratio is divided between a low-pressure cylinder and a high-pressure cylinder, with a high-efficiency shell-and-tube intercooler removing the heat of compression between stages. This staged approach limits the discharge temperature of each stage to below 160°C, preventing thermal degradation of the PTFE sealing elements and extending valve plate service life by approximately 50% compared to single-stage designs attempting equivalent pressure ratios. The intercooler is oversized for the duty, providing a safety margin during ambient temperature excursions.

3. Compact Yet Robust Frame Construction

Khung chính được đúc từ... Gang đúc màu xám GG25 (equivalent to ASTM A48 Class 30B) with integral cooling water passages. Despite the high-pressure capability, the LW-16.5/13 maintains a relatively compact footprint of 2675 × 1550 × 2520 mm and a weight of just 3.00 tonnes. The two-row opposed-cylinder arrangement provides inherent first-order force cancellation, reducing vibration transmission and permitting installation on a modest reinforced concrete inertia block of 5–6 tonnes. This compactness is particularly advantageous for retrofit installations in existing chemical plants and process facilities where space and foundation capacity are limited.

4. Standard 380V Industrial Motor Drive

The LW-16.5/13 is driven by a Động cơ cảm ứng ba pha, công suất 160 kW, điện áp 380V, tần số 50Hz conforming to IEC 60034-1 efficiency class IE3. The standard low-voltage configuration integrates directly into existing 380V industrial distribution panels without requiring medium-voltage infrastructure, step-down transformers, or specialized switchgear. This electrical simplicity reduces both capital expenditure and commissioning complexity, making the LW-16.5/13 an attractive upgrade path for facilities transitioning from bottled high-pressure nitrogen or hydraulic gas boosters to continuous on-site compression.

Các kịch bản ứng dụng

High-Pressure Chemical Synthesis & Reactor Inerting

In chemical manufacturing facilities, the LW-16.5/13 provides high-pressure nitrogen for reactor inerting, catalyst bed preservation, and emergency nitrogen injection into process vessels operating at elevated pressures. The 1.30 MPa discharge pressure is sufficient to overcome the internal pressure of most batch reactors, autoclaves, and high-pressure synthesis loops, allowing direct nitrogen injection without intermediate boosting. The oil-free design is absolutely critical in chemical synthesis because any hydrocarbon contamination would poison precious metal catalysts, initiate unwanted side reactions, or compromise product purity in fine chemical and pharmaceutical manufacturing.

Tăng áp suất cao VPSA bằng khí nitơ

Đối với máy tạo khí nitơ VPSA sản xuất khí nitơ tinh khiết cao ở áp suất gần bằng áp suất khí quyển, thì... LW-16.5/13 nitrogen booster compresses the low-pressure product to 1.30 MPa for high-pressure distribution to demanding process consumers. The 16.5 m³/min capacity is well-matched to medium-scale VPSA installations serving chemical plants, specialty gas facilities, and high-pressure blanketing applications. The oil-free compression path protects the carbon molecular sieve from hydrocarbon poisoning, preserving adsorbent life and maintaining nitrogen purity.

Oil & Gas Pipeline Purging & Pressure Testing

In oil and gas pipeline construction and maintenance, nitrogen is used for pipeline purging, hydrostatic test displacement, and dried-inert gas packing before commissioning. The LW-16.5/13’s 1.30 MPa discharge pressure is adequate for purging medium-diameter pipelines (up to 24-inch nominal bore) and for hydrotest displacement in pipelines operating at pressures up to 10 MPa. The oil-free design prevents hydrocarbon contamination of pipeline interiors, which is essential for gas transmission pipelines where even trace oil residues could foul gas quality meters, compressor stations, and end-user equipment.

Specialty Gas & Cylinder Filling Operations

Specialty gas facilities and industrial gas distributors require high-pressure nitrogen for cylinder filling, bundle charging, and gas mixture preparation. The LW-16.5/13’s 1.30 MPa discharge pressure is sufficient to fill high-pressure nitrogen cylinders (typically 15 MPa working pressure) through a multi-stage gas booster or compressor cascade. The oil-free certification ensures that filled cylinders meet the purity specifications of analytical grade, ultra-high purity, and research-grade nitrogen without requiring additional purification steps.

Vật liệu & Xây dựng

The LW-16.5/13 is constructed from premium materials selected for high-pressure nitrogen compatibility, elevated temperature resistance, and extended operational life:

Tất cả các bộ phận chịu áp lực đều được thiết kế và chế tạo theo đúng tiêu chuẩn. ASME BPVC Phần VIII Phân khu 1 hoặc tiêu chuẩn GB 150 của Trung Quốc. Mỗi mối hàn đều trải qua kiểm tra chụp X-quang (RT) theo tiêu chuẩn ASME Mục V, Điều 2, và mỗi bình áp lực hoàn chỉnh đều được thử nghiệm áp suất thủy tĩnh ở mức 1,5 lần áp suất làm việc tối đa cho phép (MAWP) trong thời gian giữ tối thiểu 30 phút.

Hướng dẫn lắp đặt và bảo trì

Yêu cầu về nền móng và không gian

The LW-16.5/13 has a dry weight of 3.00 tonnes and a center of gravity approximately 800 mm above the baseplate. The two-row opposed-cylinder design provides excellent force balance, allowing installation on a reinforced concrete inertia block of 5–6 tonnes. The block should be mounted on elastomeric vibration isolators (natural frequency 8–12 Hz) to prevent vibration transmission. Required clearances: 1.2 m on the non-drive side for valve access, 1.0 m on the drive side for motor maintenance, and 1.5 m overhead for crane access during major overhauls. The compact footprint makes the LW-16.5/13 suitable for installation in existing machinery rooms with limited floor space.

Thiết kế hệ thống nước làm mát

Nhu cầu nước làm mát xấp xỉ 18 m³/h at an inlet temperature not exceeding 32°C. The water distribution circuit supplies the cylinder jackets and intercooler in parallel branches. 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 compact closed-loop cooling tower with side-stream filtration is recommended to prevent scale formation and corrosion in the high-pressure cooling circuits.

Lịch trình bảo trì phòng ngừa

The oil-free design of the LW-16.5/13 dramatically simplifies maintenance compared to lubricated alternatives. 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 only consumable wear items are the vòng piston PTFE và vòng dẫn hướng, which typically achieve 4,000–6,000 hours of service life under clean nitrogen conditions. At 1.30 MPa discharge pressure, ring wear rates are slightly elevated compared to low-pressure operation, and we recommend adhering to the 4,000-hour replacement interval for optimal reliability.

Chứng nhận tuân thủ và an toàn

The LW-16.5/13 nitrogen compressor is designed, manufactured, and tested to meet the following international standards and regulatory frameworks:

Phân tích hiệu suất và hiệu quả

The LW-16.5/13 achieves a specific power consumption of approximately 9.70 kW per m³/min of nitrogen delivered at 1.30 MPa discharge pressure. This specific power reflects the thermodynamic penalty associated with the high pressure ratio required to reach 1.30 MPa from near-atmospheric inlet conditions. While higher than low-pressure compressors, this efficiency is competitive within the high-pressure oil-free piston compressor segment. For comparison, oil-lubricated screw compressors operating at equivalent pressure ratios typically consume 10.5–12.0 kW/m³/min, and hydraulic gas boosters (often used for high-pressure nitrogen) can exceed 15 kW/m³/min.

Over a standard 8,000-hour annual operating schedule, the LW-16.5/13’s efficiency advantage versus less efficient alternatives yields approximately 66,000–132,000 kWh of annual energy savings. At $0.08/kWh, this represents $5,280–$10,560 in direct electricity cost reduction per year. However, the primary economic justification for the LW-16.5/13 typically stems from the loại bỏ các vật tư tiêu hao liên quan đến dầu mỏ và tránh sử dụng thiết bị lọc dầu ở khâu sau. rather than marginal energy savings. The Tổng chi phí sở hữu cho hệ thống nén khí nitơ áp suất cao is reduced by an estimated 25–35% over a 10-year operational life when compared to oil-lubricated alternatives requiring extensive downstream purification.

The oil-free design also eliminates the energy penalty of downstream oil-removal equipment. A typical oil-lubricated high-pressure compressor requires multi-stage coalescing filters, activated carbon adsorbers, and continuous oil monitoring instrumentation that collectively consume 4–6% of the compressor’s power output. The LW-16.5/13’s native oil-free certification removes this parasitic load entirely, improving effective system efficiency and reducing electrical infrastructure requirements.

Khả năng tùy chỉnh và sản xuất theo đơn đặt hàng (OEM)

We offer comprehensive customization options to adapt the LW-16.5/13 to specific process requirements, site conditions, and integration constraints:

• Gói giải pháp trọn gói lắp đặt trên khung trượt: Máy nén, động cơ, bộ làm mát trung gian, bộ làm mát sau, thiết bị đo áp suất cao và bảng điều khiển được lắp ráp sẵn trên một khung thép kết cấu với các móc nâng tích hợp và các mẫu bu lông neo. Việc kiểm tra trước tại nhà máy đối với tất cả các hệ thống giúp giảm thời gian vận hành tại hiện trường khoảng 60% và giảm thiểu rủi ro khi khởi động.
• Cấu hình khu vực nguy hiểm: ATEX Zone 2 and IECEx compliant motor and electrical enclosures are available for installations in chemical facilities where explosive atmospheres may occasionally be present. Integrated gas detection and automatic ventilation interlocks can be incorporated into the control system.
• Kiểm soát quy trình nâng cao: Optional Siemens S7-1200 or Allen-Bradley CompactLogix PLC with 10-inch HMI touchscreen, remote monitoring via Modbus TCP/IP or OPC-UA, and seamless integration with plant DCS/SCADA systems. Automatic load/unload control and variable frequency drive (VFD) compatibility optimize part-load efficiency and reduce mechanical stress during startup.
• Các tùy chọn gói áp suất cao: Integrated high-pressure nitrogen receivers (up to 2.0 m³ at 1.6 MPa), pressure regulation stations, and distribution manifolds can be supplied on the common skid, creating a complete high-pressure nitrogen supply system.
• Bảo vệ môi trường: C5-M marine-grade coating systems for coastal installations; tropicalized electrical components for ambient temperatures up to 55°C; and IP54-rated acoustic enclosures reducing noise from 84 dB(A) to 70 dB(A) at 1 meter.
• Sản xuất theo đơn đặt hàng (OEM) & Nhãn hiệu riêng: Màu sơn tùy chỉnh, bảng tên thương hiệu và bộ tài liệu địa phương hóa dành cho các nhà phân phối thiết bị khí đốt và các nhà tích hợp hệ thống.

Bạn có thể tùy chỉnh cấu hình theo ý muốn. Số lượng đặt hàng tối thiểu: 1 đơn vịCác đề xuất kỹ thuật thường được gửi trong vòng 3-5 ngày làm việc. Thời gian giao hàng tiêu chuẩn là 10-12 tuần; giao hàng nhanh trong vòng 8 tuần có sẵn cho các đơn đặt hàng đủ điều kiện.

Case Study: Chemical Plant Reactor Inerting System Upgrade

Khách hàng: A specialty chemical manufacturer in Eastern China operating batch reactors for pharmaceutical intermediates

Thử thách: The client’s existing nitrogen supply relied on a bank of high-pressure cylinders (15 MPa) manifolded together to feed reactor inerting systems at 1.20 MPa. Monthly cylinder consumption reached 120 cylinders, with handling labor, delivery scheduling, and cylinder rental fees consuming $180,000 annually. The cylinder supply was also unreliable during peak demand periods, causing production delays. Additionally, residual oil contamination from the cylinder filling station was detected in the nitrogen stream, compromising catalyst performance in hydrogenation reactors.

Giải pháp: Chúng tôi đã cung cấp một LW-16.5/13 oil-free nitrogen compressor paired with a small VPSA nitrogen generator (99.9% purity, 18 m³/min) on a common skid. The LW-16.5/13 compresses the VPSA product to 1.30 MPa, feeding the reactor inerting header directly. A 1.5 m³ high-pressure receiver was integrated on the skid to buffer demand fluctuations during batch reactor cycles. The oil-free design eliminated catalyst contamination, while the on-site generation eliminated cylinder dependency.

Kết quả định lượng sau 18 tháng:

• Chi phí cung cấp nitơ: Reduced by 58% ($180,000 to $75,600/year) versus cylinder supply
• Cylinder handling labor: Đã loại bỏ hoàn toàn, saving 480 man-hours/year
• Catalyst contamination incidents: Reduced from 3 per year to zero, improving batch yield consistency
• Production delays due to gas shortage: Đã bị loại bỏ, improving on-time delivery from 92% to 99.5%
• Độ tinh khiết của nitơ: Luôn đạt >99,9% with oil content <0.01 mg/m³, achieving ISO 8573-1 Class 0
• Thời gian hoàn vốn: 2.1 years based on gas cost and labor savings alone

“The LW-16.5/13 has eliminated our cylinder dependency and improved our process reliability dramatically. The oil-free certification gives us confidence that our catalysts are protected, and our production schedule is no longer hostage to gas delivery trucks.” — Plant Manager, Specialty Chemical Facility

Câu hỏi thường gặp & Hướng dẫn lựa chọn

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