How is water temperature controlled?

Temperature is controlled automatically using probes, float devices, and solenoid valves, maintaining 82°C or 95°C depending on requirements.

Crate Washing Machine | Automated Cleaning for Food Containers

Q: What is the difference between HE-3600 and HE-4800?

HE-3600 uses a 3-stage cleaning system with 2 water tanks and capacity of 300–600 pcs/h. HE-4800 uses a 4-stage system with 3 water tanks and capacity of 600–1,000 pcs/h, adding an extra rinsing stage.

Q: What types of containers can the machine clean?

The machine can clean crates, plastic baskets, trays, boxes, pallets, waste bins, and egg trays with adjustable side rails up to 650 mm width.

Q: Should I choose PLC control or button control?

PLC control is recommended for automated operation and data monitoring in large facilities. Button control is suitable for simpler manual operation in smaller facilities.

Q: Is the air drying function included?

No. Air drying is optional and uses a 2,200 mm tunnel with high-pressure blowers to remove water droplets for immediate reuse.

Q: Can the machine be customized?

Yes. Machine size, cleaning stages, pump configuration, drying section, voltage, and control system can all be customized according to facility requirements.

Crate Washing Machine

Product Introduction:

The Crate Washing Machine is an industrial-grade cleaning system designed for food processing facilities that require efficient, hygienic cleaning of turnover containers. Built entirely from SUS304 food-grade stainless steel, it integrates multi-stage washing, high-temperature sterilization, and optional air drying into a single continuous process — replacing labor-intensive manual cleaning with reliable, automated performance.

The series includes two models tailored to different throughput requirements: the HE-3600 with a three-stage cleaning system processing 300–600 crates per hour, and the HE-4800 with a four-stage system handling 600–1,000 crates per hour. Both models are compatible with plastic baskets, crates, trays, boxes, pallets, and egg trays, making them suitable for meat, poultry, seafood, vegetable, and prepared food processing operations. Machine dimensions, cleaning stages, pump configurations, and control systems can all be customized to meet specific facility requirements and local standards.

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PRODUCT DETAILS

Key Highlights

Highlight	Description
SUS304 Food-Grade Construction	Entire machine frame, tanks, chains, and nozzles built from SUS304 stainless steel for corrosion resistance and food safety compliance
Multi-Stage Cleaning System	HE-3600: 3-stage (Pre-wash → Main-wash → Washing); HE-4800: 4-stage (Pre-wash → Main-wash → Rinsing → Washing) for progressively thorough cleaning
Dual-Track Chain Conveyor	Unique dual-track loop chain design keeps crates stable and centered; adjustable side rails accommodate different container sizes
Two-Layer Filtration System	Pull-out double filtration boxes trap debris and maintain water quality, enabling water recycling between stages to reduce consumption
Automatic Temperature Control	Float devices and temperature probes regulate water level and mixing; solenoid valves maintain set temperature at 82°C or 95°C for energy-efficient operation
Adjustable Nozzle System	Each cleaning stage uses nozzles of different sizes and pressures; 304 stainless steel with double-buckle mounting for easy replacement
PLC or Button Control	Two control options available: PLC smart control with touchscreen HMI, or standard push-button panel — both with real-time temperature and status display
High-Temperature Sterilization	Steam heating raises wash water to sanitizing temperatures, meeting food facility hygiene standards without chemical disinfectants
Optional Air Drying Section	Add-on drying tunnel (2,200 mm) equipped with scroll high-pressure blowers removes residual water droplets for immediate crate reuse
Modular Pipe Assembly	Stainless steel piping uses modular loop-joint connections and waterproof gaskets for easy disassembly and maintenance
Customizable Configuration	Machine dimensions, cleaning stages, pump power, electrical voltage, and other specifications can be tailored to specific facility requirements

Technical Specifications

Machine Models Comparison

Parameter	HE-3600	HE-4800
Max. Box Size (W × H)	650 × 350 mm	650 × 350 mm
Washing Capacity	300–600 pcs/h (adjustable)	600–1,000 pcs/h (adjustable)
Overall Size (L × W × H)	3,600 × 1,700 × 1,600 mm	4,800 × 1,700 × 1,600 mm
Number of Water Tanks	2	3
Cleaning Stages	3 — Pre-wash, Main-wash, Washing	4 — Pre-wash, Main-wash, Rinsing, Washing
Water Recycle Flow	Washing → Main-wash → Pre-wash	Washing → Rinsing → Main-wash → Pre-wash
Main-wash Pump	7.5 kW	7.5 kW
Pre-wash Pump	5.5 kW	5.5 kW
Rinsing Pump	—	2.2 kW
Drive Motor	0.37 kW	0.75 kW
Total Power	13.37 kW	15.95 kW
Power Supply	380V / 50Hz / Three Phase Five Wire	380V / 50Hz / Three Phase Five Wire
Conveyor Chain	Stainless Steel Cycle Chain	Stainless Steel Cycle Chain
Sterilization Type	High-Temperature Sterilization	High-Temperature Sterilization
Heating Method	Steam Heating (Intelligent Control)	Steam Heating (Intelligent Control)
Water Interface	1" Outer Wire or Clamp Joint	1" Outer Wire or Clamp Joint
Steam Interface	DN32 Stainless Steel Flange	DN32 Stainless Steel Flange
Exhaust Outlet	Φ180 mm × 2	Φ180 mm × 2
Water Outlet	Φ89 mm	Φ89 mm
Overflow Opening	Φ89 mm	Φ89 mm

Optional Air Drying Section

Parameter	Specification
Drying Section Size (L × W × H)	2,200 × 1,700 × 1,600 mm
Number of Fans	2
Fan Power	5.5 kW / unit
Fan Type	Scroll High-Pressure Blower

Control System Options

Option	Description
PLC Smart Control	Touchscreen HMI with PLC programming — real-time display of water temperature and working status; scientific internal logic for stable, automated operation
Button Control	Push-button control panel — real-time display of water temperature and working status; simple and reliable for straightforward operation

Application Scenarios

Application	Function	Suitable For
Meat & Poultry Processing Crates	Remove blood, fat, and organic residue from slaughterhouse turnover crates	Poultry and pork slaughter plants, cutting rooms
Seafood Containers	Clean fish scales, slime, and salt deposits from processing tubs and crates	Seafood processing facilities, fish markets
Vegetable & Fruit Baskets	Wash soil, debris, and pesticide residue from harvest crates	Vegetable processing plants, fresh produce distribution
Egg Tray Cleaning	Remove egg residue and sanitize tray surfaces for reuse	Egg grading and packing facilities
Food Delivery Boxes	Clean and sanitize distribution containers for food safety compliance	Central kitchens, meal delivery operations, prepared food factories
Pallet & Waste Bin Cleaning	Heavy-duty cleaning for larger containers and sanitary bins	Large-scale food logistics centers, cold storage facilities

Working Principle

Turnover crates loaded onto dual-track conveyor

↓

Stage 1: Pre-wash

High-flow water simulates traditional soaking —

softens and loosens surface residue on crates

↓

Stage 2: Main-wash

High-pressure spray detaches stubborn stains

and organic buildup from crate surfaces

↓

Stage 3: Rinsing (HE-4800 only)

Circulating clean water flushes away remaining

detergent residue from previous stages

↓

Stage 4: Clean Water Wash

Fresh water performs a final thorough rinse,

leaving crate surfaces clean with zero residue

↓

(Optional) Air Drying

Crates enter drying tunnel — scroll high-pressure

blowers remove residual water droplets for

immediate reuse

↓

Clean, sanitized crates exit the machine

FAQ

Q1: What is the difference between HE-3600 and HE-4800?

A: The HE-3600 uses a three-stage cleaning process (Pre-wash → Main-wash → Washing) with 2 water tanks, suitable for medium-volume operations at 300–600 crates per hour. The HE-4800 uses a four-stage process (Pre-wash → Main-wash → Rinsing → Washing) with 3 water tanks, offering higher throughput of 600–1,000 crates per hour with an additional rinsing stage for improved cleanliness. The model selection depends on your daily crate volume and cleanliness requirements.

Q2: What types of containers can the machine clean?

A: The machine is designed to handle a wide range of turnover containers including plastic baskets, crates, trays, boxes, pallets, waste bins, and egg trays. The adjustable side rails accommodate different container widths up to 650 mm, making it versatile for various food processing applications.

Q3: Should I choose PLC control or button control?

A: Both options display water temperature and working status in real time. The PLC smart control with touchscreen HMI is recommended for larger facilities that benefit from programmable cleaning cycles, automated monitoring, and data logging. The button control panel is a cost-effective choice for smaller operations where straightforward manual operation is sufficient. Both can be configured to your specific requirements.

Q4: Is the air drying function included as standard?

A: No, the air drying section is an optional add-on. It consists of a 2,200 mm drying tunnel with two scroll high-pressure blowers (5.5 kW each) that remove residual water droplets from cleaned crates. It is recommended for operations where crates need to be reused immediately after washing without manual drying.

Q5: How is the water temperature controlled?

A: Each water tank is equipped with a float device and a temperature probe connected to a solenoid valve system. The valve automatically mixes cold and hot water (supplied via steam heating) to maintain the set temperature — typically 82°C or 95°C depending on the sanitization requirements. This intelligent control minimizes energy consumption while ensuring consistent sterilization performance.

Q6: Can the machine be customized for my specific needs?

A: Yes. We offer full customization options including machine dimensions, number of cleaning stages, pump configurations, water tank capacity, drying section length, electrical voltage (to match local standards), and control system selection. Share your facility layout, container types, and throughput requirements with us, and we will recommend or design the most suitable configuration for your operation.

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Crate Washing Machine

Crate Washing Machine

Product Introduction:

PRODUCT DETAILS

Key Highlights

Technical Specifications

Machine Models Comparison

Optional Air Drying Section

Control System Options

Application Scenarios

Working Principle

FAQ

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