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Automatic LNG Cylinder Pass-Through Polishing Line

The LNG vehicle cylinder polishing system is located at the rear end of the flexible production line, featuring a multi-station grinding head assembly that polishes welds, cylinder bodies, and heads.

Automatic LNG Cylinder Pass-Through Polishing Line XYD-LNG-1

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Introduction
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1. Product Overview

The LNG Cylinder Pass-Through Polishing System is an automated polishing solution designed for liquefied natural gas storage cylinders. It performs high-precision polishing and brushing on cylinder bodies and end caps. The system features enclosed grinding covers and a dust collection system, ensuring safe, environmentally friendly operation while enhancing production efficiency and surface quality.

2. Product Features

Feature	Description
Fully Automated Pass-Through	Automatic loading and sequential processing through weld seam polishing, cylinder polishing, brushing, and end cap polishing stations
High-Precision Polishing	Achieves surface roughness Ra ≤ 0.8μm, ensuring cylinder aesthetics and weld smoothness
Enclosed Safety Design	Enclosed grinding area with dust collection system to minimize dust and operational risks
High Efficiency	Production cycle time of 20 minutes per piece, significantly improving throughput
Flexible Adaptation	Suitable for LNG cylinders with diameter 580~1500mm and length ≤2500mm

3. Technical Specifications

Parameter	Specification
Effective Polishing Length	≤2500mm
Effective Polishing Diameter	580~1500mm
Surface Roughness	Ra ≤0.8μm
Production Cycle	20 minutes per piece
Key Stations	Loading, weld seam polishing, cylinder polishing, brushing, end cap polishing, unloading
Safety Measures	Enclosed cover + Dust collection system

4. Processing Scope & Applications

Applicable for LNG cylinders, pressure vessels, and similar metal cylinders requiring surface polishing and brushing. Widely used in petrochemical, energy, and gas storage industries, especially where high surface finish, weld aesthetics, and safety standards are required.

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