20-Ton Direct Cooling Block Ice Machine

Here’s a detailed technical and commercial overview of a 20-ton direct cooling block ice machine for industrial applications:

20-Ton Direct Cooling Block Ice Machine – Technical Specifications

1. Core Production Parameters

• Daily Capacity: 20 metric tons (20,000 kg/24hrs)

• Standard Block Sizes:

  • 5kg (4000 blocks/day)

  • 12.5kg (1600 blocks/day)

  • 25kg (800 blocks/day)

• Freezing Cycle: 8-16 hours (water at 15°C to -10°C core temp)

2. Refrigeration System

• Cooling Method: Direct expansion (DX) with flooded evaporator

• Refrigerant Options:

  • Standard: R404A (GWP=3922)

  • Low-GWP: R513A (GWP=631)

  • Natural: NH3 (Ammonia) for large installations

• Compressor Package:

  • Type: Semi-hermetic piston or scroll

  • Capacity: 30-45 kW

  • Brands: Bitzer 4J-30.2 or Copeland ZB45KQE

3. Mechanical Components

• Condenser Options:

  • Air-cooled: 180-220 kW rejection capacity

  • Water-cooled: 15 m³/hr flow @ ΔT=5°C

• Ice Mold Details:

  • Material: 304 stainless steel with nano-coating

  • Wall Thickness: 3.5mm for optimal heat transfer

• Harvesting System:

  • Hot gas bypass defrost

  • Pneumatic ejection mechanism

4. Power & Utilities

• Total Connected Load: 38-52 kW

• Peak Starting Current: 280A (requires 100A breaker with soft starter)

• Water Consumption: 22-24 m³/day (1.2:1 ice-to-water ratio)

5. Physical Dimensions

• Machine Footprint: 3.5m(L) × 2.2m(W) × 3.2m(H)

• Weight: 4,200 kg (empty)

• Shipping: Requires 40HQ container (2.35m clearance)

Company Description

We are a leather bag company located in Guangzhou, China. Our brand has been established for 11 years.

Our headoffice is located in the Greater Bay Area, which possesses many quality leather material suppliers, giving us the convenience to develop products and processes that meet the needs of our customers. 11 years of steady development and deep experience in the industry also enable us to successfully provide local support and services to many places.

We follow the green concept of development and reflect the green lifestyle in our products. At the same time, we deeply understand the needs of our customers and polish each product with the unique ingenuity , so that it can meet your pursuit of quality life.