Large Barrel / Top Cake Hydraulic Oil Press
This is an scaled-up version of the HN325 cylinder model, equipped with two independent hydraulic systems. Each can operate independently. Single/double barrel top-ejection cake design means the main cylinder can press one barrel while the other barrel can be unloaded and reloaded simultaneously — significantly boosting throughput.
Suitable for materials requiring large single-batch capacity without extremely high pressing force: various animal/plant oil sludge and residues, textile sludge, fruit/vegetable dehydration and juicing, oil field sludge, etc.
- 630mm × 1000mm extra-large barrel — biggest in our lineup
- Dual independent hydraulic systems — each operates separately
- Top-ejection cake design — load/unload while other barrel is pressing
- 60-ton auxiliary cylinder (30 Mpa) for cake ejection
- Ideal for: oil sludge, textile sludge, fruit/veg dehydration, juicing
- Single barrel ~2.5T / Double barrel ~3.5T weight options
- 10.64 Mpa/cm² cake surface pressure — optimized for bulk materials
Large Barrel Specifications
| Parameter | Single Barrel | Double Barrel / Dual Top-Cake |
|---|---|---|
| Motor Power | 2.2 KW | 2.2 KW |
| Cylinder Outer Diameter | 325 mm | 325 mm |
| Cylinder Stroke | 850 mm | 850 mm |
| System Pressure | 60 Mpa | 60 Mpa |
| Cake Surface Pressure | 10.64 Mpa/cm² | 10.64 Mpa/cm² |
| Barrel Inner Diameter | 630 mm | 630 mm |
| Barrel Height | 1000 mm | 1000 mm |
| Machine Weight | ~2.5 Tons | ~3.5 Tons |
| Overall Dimensions | 1400×2100×2900 mm | 2700×2100×2900 mm |
| Top Cake Cylinder | 60 Tons / 30 Mpa | 60 Tons / 30 Mpa |
Typical Applications
Industrial Oil Sludge Processing
Recover residual oil from refinery waste streams. 630mm barrel processes large volumes per batch. Top-ejection cake design enables continuous operation.
Fruit & Vegetable Dehydration
Extra-large 630×1000mm barrel handles bulk produce. Juice extraction + solid dewatering on same machine.
How the Large Capacity Oil Press Machine Works
The large capacity oil press is an industrial-scale hydraulic press built on an enlarged HN325 cylinder platform, featuring the largest barrel in the HaoNuo lineup — 630 mm inner diameter × 1000 mm height. Each barrel can hold a massive volume of material, and the system operates with two independent hydraulic systems delivering 60 Mpa of system pressure, translating to 10.64 Mpa/cm² of pressing pressure on the cake surface. The dual independent hydraulic circuit means each barrel can be operated separately — one barrel can be pressing while the other is being unloaded and reloaded. This top-ejection cake design dramatically improves work efficiency because there is no idle time waiting for cake ejection and barrel reloading.
What makes this industrial hydraulic press unique is its versatility beyond traditional oilseed processing. The extra-large barrel accommodates bulky, fibrous, or high-moisture materials that would overwhelm standard oil presses. A dedicated 60-ton auxiliary cylinder (operating at 30 Mpa) powers the top-ejection cake ejection mechanism, pushing the pressed cake upward and out of the barrel cleanly — even for sticky materials like oil sludge, textile waste, or fruit pulp. For traditional oilseed applications, the large barrel processes whole batches of pre-crushed or steamed seeds, making it suitable for mills prioritizing high single-batch throughput over rapid cycle times. The machine is available in single-barrel configuration (~2.5 tons) or dual-barrel top-ejection cake configuration (~3.5 tons). The massive 1400×2100×2900 mm footprint (single barrel) requires dedicated floor space with a reinforced concrete foundation rated for the machine's weight and dynamic pressing forces. Applications extend well beyond edible oil: oil field sludge dewatering, textile industry sludge pressing, fruit and vegetable juice extraction and dehydration, and any industrial process requiring high-pressure liquid-solid separation at large batch volumes.
Application Scenarios & Use Cases
Oil Sludge & Residue Recovery (Industrial Refineries)
The primary industrial application of this large capacity oil press is recovering residual oil from refinery waste streams — animal/plant oil sludge, tank bottoms, and filter residues. The 630 mm barrel processes large sludge volumes per batch, and the 10.64 Mpa/cm² pressure squeezes every recoverable drop from the waste.
Textile Sludge Dewatering
Textile mills in India, Bangladesh, and China use this industrial hydraulic press to dewater textile sludge before disposal. Large single-batch capacity (630×1000 mm barrel) handles the high volumes textile operations generate, reducing sludge weight by 40-60% for lower disposal costs.
Fruit & Vegetable Juice Extraction
The extra-large barrel accommodates whole or chopped produce for juice extraction and solid dehydration. Coconut processors and fruit juice operations in Southeast Asia use the dual-barrel version for continuous production — one barrel pressing while the other is being loaded.
Oil Field & Industrial Sludge Processing
Oil field sludge, drilling mud, and industrial waste containing recoverable oil or requiring volume reduction before disposal are ideal applications. The high-pressure system separates liquid from solid efficiently in large batches.
Operation Tips & Best Practices
- Foundation preparation: The single-barrel machine weighs ~2.5 tons; the dual-barrel ~3.5 tons. Install on a level, reinforced concrete pad at least 200 mm thick. Anchor bolts prevent shifting under dynamic pressing loads. This is NOT a machine you place on a standard workshop floor without preparation.
- Material pre-treatment: For oil sludge and industrial waste, pre-screen to remove large debris (stones, metal fragments) that could damage the barrel wall or hydraulic seals. For fruit/vegetable processing, chop or crush material for even pressure distribution inside the barrel.
- Loading technique: Fill the barrel evenly — avoid loading more material on one side. Uneven loading creates lateral forces on the cylinder rod that accelerate seal wear and can cause rod bending over time. Use a leveling tool to check material distribution before engaging pressure.
- Pressure ramp-up: Gradually increase hydraulic pressure rather than applying full 60 Mpa immediately. A 3-5 minute ramp allows liquid to begin flowing through the material matrix before maximum compaction, improving extraction efficiency and reducing cylinder stress.
- Dual-barrel workflow: In the top-ejection cake configuration, establish a rhythm where one barrel is under pressure, the other is being unloaded and reloaded. The 60-ton top-ejection cake cylinder ejects the pressed cake cleanly. Time your cycles so the pressing barrel finishes as the loading barrel is ready — approximately 8-12 minutes per barrel for sludge, 15-25 minutes for produce.
- Hydraulic oil maintenance: Check hydraulic oil level and quality weekly. Contaminated hydraulic oil is the leading cause of pump and valve failure in industrial presses. Replace hydraulic oil every 6-12 months depending on operating hours and environmental conditions (dusty environments require more frequent changes).
- Cylinder seal inspection: Inspect the main cylinder rod for scoring or pitting monthly. Any surface damage to the rod accelerates seal wear and leads to hydraulic oil leaks. Keep the rod clean and protected from corrosive materials (salt, acidic fruit juices) during processing.
Frequently Asked Questions
What is the barrel capacity?
630 mm diameter × 1000 mm height — largest in our lineup. Batch weight varies by material. System pressure 60 Mpa, cake surface pressure 10.64 Mpa/cm².
What materials can it process?
Oil sludge, textile sludge, fruit/vegetable dehydration, oil field sludge, drilling mud, plus traditional oil seeds. Any high-volume liquid-solid separation.
What are the dimensions and weight?
Single barrel: ~2.5T, 1400×2100×2900 mm. Dual barrel: ~3.5T, 2700×2100×2900 mm. Requires reinforced concrete foundation.
How does dual hydraulic improve efficiency?
One barrel presses while the other unloads/reloads — near-continuous operation. The 60-ton top-ejection cake cylinder ejects cake cleanly. Nearly doubles effective throughput.
What is the price and delivery?
Contact HaoNuo via WhatsApp for a quote. Lead time: 20-35 working days. Shipping: 15-35 days. Pricing varies by configuration and destination.
What foundation is required?
Reinforced concrete pad, minimum 200 mm thick, with anchor bolts. We provide foundation drawings. On-site installation support available on request.
Equipment Comparison: Standard vs. Large Capacity Press
Large Capacity / Top-Cake Press (HN-LC)
- Barrel: 630×1000 mm — extra large, industrial scale
- Pressure: 60 Mpa system, 10.64 Mpa/cm² on cake
- Design: Dual independent hydraulic, top-ejection cake ejection
- Weight: 2.5-3.5 tons — requires foundation
- Primary use: Sludge, industrial waste, produce processing
- Best for: High-volume bulk materials, non-seed applications
Standard Hydraulic Oil Press (HN325-HN500)
- Barrel: 350-450 mm — optimized for oil seeds
- Pressure: Higher per-unit-area for maximum oil extraction
- Design: Single hydraulic system, traditional cake design
- Weight: 800-1500 kg — standard floor installation
- Primary use: Oil seed pressing — sesame, groundnut, mustard, etc.
- Best for: Traditional edible oil production, higher oil yield per seed