Dual Conveyor Line Selection Guide: Explanation of Applicable Solutions for Streaming/Manufacturing/Food Industries

Basic knowledge: the core value of a two-lane conveyor line

​What is the essential difference between a two-lane conveyor line and a traditional single line?​
Dual-channel conveying line realises synchronous conveying and return circulation of materials through upper and lower double-layer structure or parallel channel design. The core values areSpace utilisation upgraded by 50% or more(Compare with single layer layout), especially suitable for plant height limitation scenario. Typical structure includes upper conveyor belt, lower return belt and vertical lifting module, with servo motors to achieve ±0.5mm precision material handover.

​Which parameters determine system suitability?​
Three main parameters need to be prioritised for selection:

  1. ​load capacityFor the logistics industry, PVC anti-static belts of 300-500kg/m² are commonly used; for the manufacturing industry, heavy-duty scenarios require chain plates or heavy-duty roller lines (load capacity ≥1t/m); and for the food industry, stainless steel racks are required to be used with food-grade PU belts.
  2. ​environmental toleranceHigh-temperature workshops (e.g. injection moulding) require Teflon material with 120°C resistance; corrosive environments (chemical/food) come standard with 316L stainless steel; cleanrooms require IP54 protection.
  3. ​Layout FreedomThe spiral structure fits into a compact space of 5m x 5m; the circular layout enhances the efficiency of cross-process connection.

Matching Industry Scenario Pain Points and Solutions

Logistics Industry: Sorting Efficiency and Resilience Expansion

​How do you solve peak hour blowouts?​
testimonialsAdjustable layer spacing + RFID sorting system::

  • The double-deck belt line layer spacing support 800-1500mm dynamic adjustment, to cope with different volumes of express delivery (such as document bags and home appliance boxes mixed flow).
  • RFID identifiers to achieve automatic parcel sorting, a logistics centre in Suzhou after the application of sorting error rate down to 0.2%.

​How can old warehouses be retrofitted at low cost?​
adoptionModular aluminium frame, supports the expansion of the existing single line into a dual-channel system. Case shows: an e-commerce warehouse after the transformation of the average daily handling capacity increased by 40%, the payback period <14 months.

Manufacturing: Heavy Duty and Process Synergy

​How can heavy parts conveying avoid downtime?​

  • ​Double-channel chain plate line + regenerative braking technology: Chain plate thickness ≥3mm, with hydraulic buffer device; descending potential energy into electrical energy, energy consumption reduced by 35%.
  • ​Fault self-diagnosis system: Vibration sensors anticipate bearing wear, reducing maintenance response time to 2 hours.

​How do you interface with automation equipment?​

  • ​Servo lifter with positioning accuracy ±0.5mmTo ensure that the robotic arm accurately grips the automotive parts (case in point: 22% of beat improvement in the welding line of an automotive company).

Food industry: hygiene safety and cleaning efficiency

​How to meet FDA & HACCP certification?​

  • ​Seamless welded stainless steel frame + food grade PU belt: The diamond checkered surface is designed to prevent bacterial residue and is 3A hygiene certified.
  • ​CIP In-Line Cleaning System: 90 ℃ hot lye automatic circulation rinse, compared with manual cleaning efficiency increased 300%.

​How can liquid food transport be drip-proofed?​

  • ​Double sealing structure: Inner Conveyor Belt + Outer Liquid Receiving Tank, Sauce Filling Line Cross Contamination Complaints Decrease by 90% after Application.

Cost optimisation and risk avoidance

​How do you balance performance on a budget?​
Phased implementation strategy:

  1. ​basic version: Fixed-layer spacing dual-channel line (15% cost savings) with reserved interfaces.
  2. ​updated version: Intelligent modules (e.g. energy monitoring sensors) are added at a later stage.

​How to avoid common selection mistakes?​

  • ​Load Calculation Myths: Material weight x 1.5 safety factor (to avoid overload shutdown).
  • ​Maintenance cost traps: Selection of automatic lubrication bearings, the average annual maintenance time <8 man-hours (compared with the traditional structure to save 60% manpower).

Decision-making flowchart

Image Code
graph TD
A[Type of industry] --> B{Space limitations?}
B -->|Yes C[Select spiral/suspension compact]
B -->|No D[Linear/circular layout selected]
A --> E{Hygiene requirements?}
E -->|Yes F[Food grade stainless steel + PU belt]
E -->|No G[Carbon steel + PVC tape]
A --> H{Load>1t/m?}
H -->|Yes I[Heavy-duty chain line]
H -->|No J[Standard drum line]
C & D & F & G & I & J --> K[Confirmation of degree of automation]
K --> L[Add servo positioning/IoT module]


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Industry Type




Space limitations?




Selection of screw/suspension compacts




Select Linear/Ring Layout




Hygiene requirements?




Food grade stainless steel + PU belt




Carbon steel + PVC belt




Load > 1t/m?




Heavy Duty Chain Plate Line




Standard drum line




Confirmation of the degree of automation




Add Servo Positioning/IoT Module






​Implementation tipsThe electronics industry gives priority to the configuration of anti-static system; high-temperature scenarios require heat-resistant belt (-30 ℃ ~ 120 ℃). Selection of the essence of space, efficiency, cost of dynamic balance - clear core bottlenecks can be precise input.

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