Baichy Heavy Industrial Machinery Co., Ltd
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VSI7611 sand making machine has become the core equipment of modern sand and gravel production line with its characteristics of efficient crushing, excellent grain shape, energy saving, and durability. It is especially suitable for engineering projects with strict requirements on sand grain shape and gradation (such as sand for high-speed railway and hydropower station concrete).
1. Efficient crushing and stable production capacity
• High-speed rotor: Linear speed reaches 60-80m/s, material impact crushing efficiency is high, and the processing capacity reaches 80-180 tons/hour (depending on the hardness of the material).
• "Stone hitting stone" + "Stone hitting iron" dual mode: Flexible switching of crushing methods to adapt to different materials (such as granite, basalt, pebbles, etc.).
2. Excellent finished sand grain shape and reasonable grading
• Many cubic particles: The impact crushing principle reduces needle-like sand, and the finished sand grain shape is round, which meets the construction sand standard (such as GB/T 14684).
• Adjustable fineness modulus: Control the discharge particle size by adjusting the rotor speed or the gap between the impact plates (adjustable from 0-5mm).
3. Energy saving and environmental protection, low operating cost
• Low energy consumption design: Compared with traditional sand making equipment (such as hammer crusher and roller crusher), energy consumption is reduced by 20%-30%.
• Closed structure: Reduce dust spillage and meet environmental protection requirements with a dust removal device.
4. Wear-resistant and durable, easy maintenance
• Wear-resistant key components: The rotor throwing head and peripheral guard plate are made of high chromium alloy or composite ceramic, and the service life is extended by more than 50%.
• Hydraulic cover design: Convenient maintenance and replacement of wearing parts, reducing downtime.
| Model | VSI-7611 | |
|---|---|---|
| Capacity (t/h) | Cascade and Center Feeding | 120-180 |
| Center Feeding | 60-90 | |
| Feeding Size (mm) | Soft Material | <35 |
| Hard Material | <30 | |
| Rotation Speed (r/min) | 1700-1890 | |
| Power of the Double Motors (kw) | 110-150 | |
| Overall dimension L*W*H (mm) | 3700*2150*2100 | |
| Power Source | 380v:50hz | |
| Vibrating Sensor | Inspection Scope:0.1-20mm/s, it can be adjusted continuously. | |
| Hydraulic Lubrication Station | Power of Double Oil Pump | 2x0.31kw |
| Safety | Double oil pumps make sure supply of oil with; Stop automatically without oil flow or oil pressure; Water cooled; Heating start the motor in winter. | |
| Overall Dimension L*W*H (mm) | 820x520x1270 | |
| Power of Oil-Box Heater | 2kw | |
| NO. | Product Name | Model | Quantity |
|---|---|---|---|
| 1 | Hopper | - | 1 |
| 2 | Vibrating feeder | ZSW9600x3800 | 1 |
| 3 | Jaw Crusher | PE600x900 | 1 |
| 4 | Impact Crusher | PF1214 | 1 |
| 5 | Sand Making Machine | VSI 7611 | 1 |
| 6 | Vibrating Screen | 4YK2160 | 1 |
| 7 | Vibrating Screen | 2YK1548 | 1 |
| 8 | Belt conveyor | B800 | 2 |
| 9 | Belt conveyor | B500 | 7 |
In the 100 t/h granite sand and gravel crushing production line, the selection of VSI7611 vertical shaft impact sand making machine (VSI sand making machine) has the following significant advantages, especially suitable for the processing of high-hardness materials such as granite:
• Granite applicability: VSI7611 adopts the principle of combining "stone hitting stone" and "stone hitting iron", and accelerates the granite particles through the high-speed rotating throwing head to achieve high-energy impact crushing, effectively solving the problem of high hardness (Mohs hardness 6-7) and difficult crushing of granite.
• Cubic particle shape: The finished sand and gravel particles are multi-faceted cubes with continuous grading and less than 5% of needle-like content, which is far higher than traditional hammer crushers or roller crushers, and can be directly used for high-grade concrete or asphalt aggregates.
• Precise adaptation of processing capacity: The processing capacity of VSI7611 is 60-180 tons/hour under standard configuration. By adjusting the feed particle size (≤50mm) and motor power (110- 150 kW), it can easily meet the production capacity demand of 100 tons/hour, and leave 20% excess capacity to cope with peak load.
• Optimization of energy consumption ratio: Compared with traditional sand-making equipment, the unit power consumption is reduced by 30-40%, and the production cost of a ton of sand is controlled at 3-5 yuan/ton (based on an electricity price of 0.8 yuan/kWh).
• One machine with multiple stages of crushing: By adjusting the rotor speed (45-60m/s), feed volume and waterfall/center feed ratio, 0-5mm machine-made sand (fineness modulus 2.6-3.2) or 5-10mm fine crushed stone can be produced without changing the screen, meeting different engineering standards (such as GB/T 14684-2022).
• Life of key components: Adopting high-chromium alloy composite throwing head (service life ≥120 hours) and modular design of peripheral guard plate, the replacement cycle of wearing parts under granite working conditions is extended to 300-400 hours, and the annual maintenance cost can be controlled within 5% of the equipment price.
• Hydraulic cover opening system: The inspection door is hydraulically opened, and the rotor maintenance time is shortened to within 2 hours, reducing downtime losses.
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