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Conveyor Dishwasher Selection Guide: The Ultimate Solution for High-Volume Canteens & Chain Restaurants

2026-06-18


Conveyor Dishwasher Selection Guide: The Ultimate Solution for High-Volume Canteens & Chain Restaurants

CHINENG Commercial Kitchen Equipment  |  June 2026  |  7 min read

 

  Table of Contents

  1. Does Your Operation Need a Conveyor Dishwasher

  2. Three Configurations: Pass-Through, Flat-Bed, Slant-Rack

  3. The Labour Cost Equation

  4. CHINENG Conveyor Series: Core Specifications

  5. Sizing Guide: 1.6 m to 6.2 m

  6. Site Requirements & Maintenance

  7. FAQ

  8. Request a Customised Proposal

 

If your facility processes several thousand dishes per day and your dishwashing staff are running three shifts just to keep up — you do not need more staff. You need a conveyor dishwasher.

Unlike ultrasonic or hood-type machines, a conveyor system allows dishes to be placed directly onto the belt without racking. They enter at one end and emerge washed and dried at the other. Throughput: approximately 1,000 pieces per hour. That is equivalent to four full-time dishwashers working an entire shift — accomplished by one machine in approximately 21 hours.

1. Does Your Operation Need a Conveyor Dishwasher

Three qualification criteria:

· Daily covers exceed 500: School canteens, corporate dining facilities, large-scale chain central kitchens.

· Meal service is concentrated within narrow time windows: Several thousand dishware items require processing within a 1-2 hour peak period.

· Hygiene compliance requirements are stringent: Hospital catering, airline meal services, high-speed rail food supply.

If two or more criteria apply to your operation, a conveyor system is the correct specification decision.

2. Three Configurations

Type

Loading Method

Optimal For

Key Advantage

Target Application

Pass-Through (Tunnel)

Dishes racked → pushed through → exit opposite end

Standard plates, bowls, cups

Dual-station capability doubles throughput (60→120→240 racks/hr)

Large canteens, standard dishware

Flat-Bed

Dishes placed face-down directly on conveyor belt

Fast-food trays, cafeteria trays, irregular items

Eliminates racking labour; fan-shaped spray nozzles provide 360° coverage

Chain QSR, tray-based operations

Slant-Rack

Dishes inserted at an angle into dedicated slots

Deep bowls, soup bowls, irregular vessels

Angled positioning prevents water pooling; superior rinse coverage

Noodle restaurants, soup-based cuisine

 

3. The Labour Cost Equation

Example: corporate canteen serving 3,000 covers per day.


Manual Washing

Conveyor System

Dishwashing staff

4 persons (3 shifts)

1-2 operators

Monthly wages (¥3,500/person)

¥14,000

¥3,500-7,000

Daily throughput

~7,000 pieces

~7,000 pieces (well within capacity)

Monthly throughput

210,000 pieces

210,000 pieces (requires only 21 machine-hours)

Annual labour cost

¥168,000

¥42,000-84,000

Annual savings

¥84,000-126,000

 

Equipment investment recovery period: 6-12 months. This calculation excludes reduced dishware breakage (manual handling causes higher attrition) and utility savings from the waterfall-style water recirculation system.

4. CHINENG Conveyor Series: Core Specifications

CHINENG conveyor dishwashers employ a modular architecture — configure wash, rinse, and drying modules to match your exact requirements.

Component

Specification

Function

Wash Module

55-65°C recirculated hot water, 4+2 fan-nozzle array

High-pressure spray removes food residue and grease

Rinse Module

85°C fresh hot water rinse

Thermal sanitisation; detergent residue removal

Drying Module (optional)

100°C+ forced hot air

Dishes exit dry, ready for immediate use

Conveyor System

Food-grade plastic belt, corrosion-resistant, heat-tolerant

Direct dish placement; zero dishware breakage

Safety Interlock

Auto-stop on door/panel opening

Operator protection

Water Recirculation

Cascade-type inter-tank flow; single inlet, single drain

Approximately 30% water savings vs. conventional conveyor systems

Construction

SUS304 stainless steel throughout; 2.0 mm frame

GB4806.7/9 food-contact compliant

 

5. Sizing Guide: 1.6 m to 6.2 m

Daily Covers

Recommended Configuration

Machine Length

300-500

1 wash + 1 rinse

2.6-3.4 m

500-1,000

2 wash + 1 rinse

4.2-5.2 m

1,000-2,000

2 wash + 1 rinse + drying

5.2-5.9 m

2,000+

Pre-wash + 2 wash + rinse + dual drying

5.8-6.2 m

 

6. Site Requirements & Maintenance

Pre-Installation Checklist

· Electrical: 380 V three-phase supply. Verify panel capacity.

· Water: Adequate inlet pressure. Hard water areas require a softening system.

· Drainage: Floor drain or trench with sufficient gradient.

· Clearance: Machine length + minimum 1.5 m operational space at both ends.

· Ventilation: Drying-equipped models require consideration of hot air exhaust.

Routine Maintenance

· Daily: Clear conveyor belt of food debris. Inspect spray nozzles for blockages.

· Weekly: Clean filtration screens. Verify detergent and rinse-aid levels.

· Monthly: Inspect pump and heating element operation. Descale if indicated.

7. FAQ

Q: What are the utility consumption figures?

CHINENG's cascade water recirculation delivers approximately 30% water savings versus conventional conveyor designs. A standard 5.2 m configuration draws approximately 30-40 kW at full load. At industrial electricity rates, operating cost is approximately ¥20-30 per hour.

Q: Is pre-soaking or pre-scraping required?

Standard post-meal dishware does not require pre-treatment. Scrape off bulk food waste and place directly onto the conveyor. Heavily soiled items with dried-on residue may benefit from brief pre-soaking.

Q: Can irregular-shaped items be washed?

Flat-bed and slant-rack configurations accommodate irregular dishware well. Pass-through configurations require racking and are optimised for standard-dimension items. Select the configuration based on your primary dishware type.

Q: What is the service protocol if the unit requires maintenance?

CHINENG provides a 12-month comprehensive warranty with lifetime maintenance support. The "104" service standard applies: 10-minute response acknowledgement, 4-hour on-site dispatch. The modular design allows individual module repair without affecting other sections.

8. Request a Customised Proposal

A conveyor dishwasher represents the largest equipment investment in your kitchen — and the highest-return. Correct specification delivers six-figure annual labour savings. Incorrect specification wastes valuable floor space with inadequate performance.

CHINENG provides complimentary site survey and configuration consulting. Our engineers assess your floor plan, calculate throughput requirements, and recommend the optimal machine configuration.

  Contact CHINENG for a complimentary site assessment and commercial quotation

  Sales enquiries: +86 135-2862-7820

 

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