Vacuum Extraction Equipment for Dewar Containers

Vacuum Extraction Equipment Categories:

Low-vacuum Vacuum Pump Units (for vacuum conveying, immersion, drying, etc.)

2. Medium vacuum pump sets (for applications such as coating, chemical industry, etc.)

3. High-vacuum Pumping Unit

4. Dedicated Equipment for Storage Tanks (LNG Low-Temperature Storage Tanks)

6. Truck-mounted, Tanker Equipment (LNG Tanker)

7. Vacuum Extraction Equipment for Gas Bottles (LNG Dewar)

Our company specializes in the research and development of vacuum extraction equipment for LNG, utilizing multi-stage vacuum pump sets (mechanical pumps + molecular pumps) technology, with an ultimate vacuum degree of

Achieves 0.005 Pa (national standard requirement), rapidly recovers vacuum in LNG storage tanks and gas cylinders, significantly enhancing insulation performance. Equipped with digital

Display composite vacuum gauge, supporting both manual and computer dual-mode operation, real-time monitoring of vacuum data, and setting test pressure through a human-machine interface.

Parameters such as power and environmental temperature are managed智能化ly. Provide one-stop service from production to maintenance.

‌Molecular Pump Units (e.g., STFJ-300 Model): Specifically designed for LNG vehicle cylinders, with a 30% increased vacuum recovery efficiency and achieving vacuum standards in just a few hours._‌

Patented Cold Recovery Technology: Integrates LNG gasification cold energy, achieving a utilization rate of 50%, while saving energy, reducing consumption, and cutting carbon emissions.

Modular portable design: Compact in size, versatile in movement, and supports quick on-site installation and debugging, suitable for various settings such as factories and gas stations.

Our product line includes vacuum testing and refilling equipment for LNG storage tanks, vehicle gas cylinders, low-temperature liquid transport vehicles, and tank containers, catering to needs from raw materials to finished products.

Full lifecycle needs from production manufacturing to operation and maintenance.

‌储罐制造环节‌：提供真空绝热层检测设备，确保焊缝探伤合格，并通过洁净车间工艺避免油脂

Residual impact on vacuum level.

‌Vehicle Gas Cylinder Maintenance: To address the frequent exhaust issue of LNG vehicle safety valves, we introduce a portable recharging and extracting unit, extending the cylinder's thermal insulation effect by 5 years after vacuum restoration._‌

Low-Temperature Transportation Equipment: Compatible with 52.7M³ semi-trailers and tank containers, utilizing multi-layer vacuum insulation technology to ensure safe transportation of LNG by road and sea.

Core Application Fields:

Public Bus and Heavy Duty Truck Industry: Solve the problem of LNG vehicle gas cylinders leakage, reduce gas loss by over 30%, and lower operational costs.

‌储罐制造企业‌：通过真空检测设备确保内外胆夹层真空达标，提升储罐安全性与使用寿命‌。

Energy Transportation Field: Provide high vacuum insulation solutions for low-temperature liquid transport vehicles and tank containers, reducing the risk of cold energy loss.

High Efficiency & Energy Saving: Cold energy recovery technology reduces reliance on diesel refrigeration, with each refrigerated truck saving over 10,000 yuan in fuel costs annually.

‌Safety & Compliance: Equipment is certified by ISO 9001 and holds a pressure vessel manufacturing license, in compliance with national special equipment safety standards.‌

Service Advantages & Quality Assurance

Full Process Support: Offer one-stop service for equipment installation, debugging, and training, with 24/7 response to customer needs.

Quality Commitment: Utilizing advanced testing methods such as spectrometer analyzers and high-pressure test gas sources to ensure product quality upon shipment.

Industry Outlook and Innovation Directions

As carbon neutrality policies advance, the company continues to develop green vacuum technology:

Oil-Free Vacuum Pump Applications: Utilizes dry screw pumps and Roots blowers to prevent oil contamination, suitable for food-grade low-temperature storage and transportation scenarios.

Intelligent Interlock System: Integrates pressure sensors with automated control to achieve zero human error in the vacuum recovery process.