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Screenless pneumatic sand making building
  • Screenless pneumatic sand making building

Screenless pneumatic sand making building

The AF sieveless air reaction dry sand making plant, developed by Jiangsu Jinengda Company, utilizes aerodynamic principles and combines dispersed polarization technology to create a new type of manufactured sand system. Its core production equipment includes a shaping machine and an AF pneumatic air separation sand and gravel classifier. It comprises a feeder, a wet mixer, a dust collector, a mud and powder collector, and an intelligent control system. This closed-loop control system utilizes online fineness modulus adjustment as its core technology. This plant is currently available with various production capacities: 1000 t/h, 750 t/h, 500 t/h, 350 t/h, 250 t/h, and 150 t/h. It can process not only artificially mined rock and natural pebbles, but also tailings with high mud and water contents into high-performance manufactured sand. This high-end manufactured sand production line offers high production capacity, reliable performance, increased energy efficiency, and improved environmental performance.

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Product AdvantagesWorking PrincipleTechnical Specifications

Product Advantages

  1. Large processing capacity, with a sand production capacity of up to 1,000 tons/hour.
  2. High adaptability, capable of processing high-moisture and high-mud content tailings, waste materials, and industrial waste.
  3. Low vibration, reliable performance.
  4. Centralized equipment, small footprint, and more environmentally friendly.
  5. Low investment, high economic benefits.

Working Principle

  1. Screenless pneumatic grading technology replaces small-diameter 2.5mm and 1.25mm vibrating screens, combining de-dusting and grading in one go for high efficiency.
  2. Adjustable rotor speed and air volume separate five particle sizes: 0-0.075, 0.075-0.63, 0.63-1.18, 1.18-2.36, 2.36-4.75, and >4.75.
  3. Cascade feeder precisely controls the ratio of central feed to cascade feed, adjusting sand and gravel shape and controlling fines content.
  4. High-speed shaping machine produces cubic sand and gravel particles with low flake content, resulting in excellent particle shape.
  5. Grading controller enables online blending of sand and gravel with any desired gradation and fineness modulus.

Technical Specifications
JQM-N×32 (64) air box pulse bag dust collector technology

Technical Parameter Model JQM3×32 - A JQM4×32 - A JQM5×32 - A JQM6×32 - A JQM4×32 - A  JQM5×32 - A JQM6×32 - A JQM7×32 - A JQM8×32 - A
Handling Air Volume (m³/h) 6900 8930 11200 13390 17800 22300 26700 31200 35700
Filtering Speed (m/min) 1.0 - 2.0}
Total Filter Area (m²) 93 124 155 186 248 310 372 434 496
Number of Dust Collector Units 3 4 5 6 4 5 6 7 8
Total Number of Filter Bags 96 128 160 192 256 320 384 448 512
Dust Collector Resistance (Pa) 1470 - 1770
Inlet Gas Dust Concentration (g/Nm³) <1000
Outlet Gas Dust Concentration (g/Nm³) <0.05
Dust Collection Efficiency (%) 99.5 - 99.999
Pressure (Pa) Dust Cleaning Compressed Air (5 - 7)×10⁵
Consumption (Nm³/min) Dust Cleaning Compressed Air 0.27 0.37 0.46 0.55 1.2 1.5 1.8 2.1 2.4
Number (pieces) Electromagnetic Pulse Valve 3 4 5 6 4 5 6 7 8
Specification (inch) Electromagnetic Pulse Valve 1 1/2" 2 1/2"
Quantity (pieces) Lifting Valve 3 4 5 6 4 5 6 7 8
Specification Ash Discharge Valve 300×300mm, Motor Power 1.1kw
Specification Screw Conveyor Φ315mm
Reducer Motor Power Screw Conveyor 2.2kw
Dust Cleaning Program Controller Input and output voltage are both 220V, controllers are supplied by manufacturers as matching parts
Filter Bag Specification Φ130×2450mm
Insulation Layer Area 26.5 34 41 48.5 70 94 118 142 176

JQM-N×96 air box pulse bag dust collector technical performance table

Technical Parameter Model JQM3×32 - A JQM4×32 - A JQM5×32 - A JQM6×32 - A  JQM4×32 - A JQM5×32 - A JQM6×32 - A JQM7×32 - A JQM8×32 - A
Handling Air Volume (m³/h) 6900 8930 11200 13390 17800 22300 26700 31200 35700
Filtering Speed (m/min) 1.0 - 2.0
Total Filter Area (m²) 93 124 155 186 248 310 372 434 496
Number of Dust Collector Units 3 4 5 6 4 5 6 7 8
Total Number of Filter Bags 96 128 160 192 256 320 384 448 512
Dust Collector Resistance (Pa) 1470 - 1770
Inlet Gas Dust Concentration (g/Nm³) <1000
Outlet Gas Dust Concentration (g/Nm³) <0.05
Dust Collection Efficiency (%) 99.5 - 99.999
Pressure (Pa) Dust Cleaning Compressed Air (5 - 7)×10⁵
Consumption (Nm³/min) Dust Cleaning Compressed Air 0.27 0.37 0.46 0.55 1.2 1.5 1.8 2.1 2.4
Number (pieces) Electromagnetic Pulse Valve 3 4 5 6 4 5 6 7 8
Specification (inch) Electromagnetic Pulse Valve 1 1/2" 2 1/2"
Quantity (pieces) Lifting Valve 3 4 5 6 4 5 6 7 8
Specification Ash Discharge Valve 300×300mm, Motor Power 1.1kw
Specification Screw Conveyor Φ315mm
Reducer Motor Power Screw Conveyor 2.2kw
Dust Cleaning Program Controller Input and output voltage are both 220V, controllers are supplied by manufacturers as matching parts
Filter Bag Specification Φ130×2450mm}
Insulation Layer Area 26.5 34 41 48.5 70 94 118 142 176

JQM-N×128 air box pulse bag dust collector technical performance table

Technical Parameter Model JQM6×128 - A JQM9×128 - A JQM10×128 - A JQM12×128 - A JQM14×128 - A JQM16×128 - A JQM18×128 - B JQM20×128 - B JQM22×128 - B JQM24×128 - B JQM24×128 - B JQM28×128 - B
Handling Air Volume (m³/h) 67300 100900 112100 134600 157000 179400 201900 224300 247600 269100 291600 314000
Filtering Speed (m/min) 1.0 - 2.0
Total Filter Area (m²) 935 1402 1558 1869 2181 2492 2804 3115 3427 3738 4050 4361
Number of Dust Collector Units 6 9 10 12 14 16 18 20 22 24 26 28
Total Number of Filter Bags 768 1152 1280 1530 1792 2048 2304 2560 2816 3072 3328 3584
Dust Collector Resistance (Pa) 1470 - 1770
Inlet Gas Dust Concentration (g/Nm³) <1300
Outlet Gas Dust Concentration (g/Nm³) <0.05
Dust Collection Efficiency (%) 99.5 - 99.999
Pressure (Pa) Dust Cleaning Compressed Air (5 - 7)×10⁵
Air Consumption (m³/min) Dust Cleaning Compressed Air 3.6 5.4 6 7 8.3 9.5 10.7 12 13.1 14.3 15.5 16.7
Number (pieces) Electromagnetic Pulse Valve 12 18 20 24 28 32 36 40 44 48 52 56
Specification (inch) Electromagnetic Pulse Valve 2 1/2"
Quantity (pieces) Lifting Valve 6 9 10 12 14 16 18 20 22 24 26 28
Specification Ash Discharge Valve 400×400mm, Motor Power 2.2kw
Specification Screw Conveyor Φ400mm Φ400mm
Reducer Motor Power Screw Conveyor 5.5KW 5.5KW
Air Conveyor If the inlet gas dust concentration is greater than 700g/Nm³, use dust collectors with air inclined troughs or larger - specification screw conveyors
Dust Cleaning Program Controller Input and output voltage are both 220V, controllers are supplied by manufacturers as matching parts
Filter Bag Specification Φ130×3060mm
Insulation Layer Area 125 196 205 223 247 262 277 292 307 322 337 352
Relevant Cases

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Jiangsu JND Environmental & Energy Technology Co., Ltd.
Jiangsu JND Environmental & Energy Technology Co., Ltd.
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