KJG Hollow Paddle Dryer for Chemical and Mineral Processing: Precipitated Silica Powder
KJG Hollow Paddle Dryer is evaluated for precipitated silica powder in chemical and mineral processing. The defined feed is dewatered precipitated silica cake. Match this duty to the material checks below and the unchanged original equipment parameters.
Precipitated Silica Powder: Application and Process Requirements
For precipitated silica powder, manage high water load, abrasive wear and agglomeration. Begin with dewatered precipitated silica cake and confirm how the incoming grade varies before defining the drying cycle.
Feed, Product Quality and Downstream Handling
| Review item | Precipitated Silica Powder |
|---|---|
| Defined feed | dewatered precipitated silica cake |
| Material-specific focus | manage high water load, abrasive wear and agglomeration |
| Product checks | moisture, particle size, surface-related quality and residual salts |
| Downstream handling | enclosed transfer to milling or filler blending |
Material Movement and Drying Control
Include moisture, particle size, surface-related quality and residual salts in the trial record. Fix the sampling locations and analytical methods before comparing trials; feed preparation and cooling can affect the measured result.
Drying Endpoint and Product Acceptance
After acceptance, arrange enclosed transfer to milling or filler blending. Review discharge, temporary holding and packaging exposure as part of the moisture-control plan.
Application-Specific Equipment Selection
KJG Hollow Paddle Dryer selection for precipitated silica powder starts with Hollow Paddle Dryer requirements and the defined feed. Assess Contact Dryer and conductive drying together with indirect contact dryers; the chemical powder drying duty must be demonstrated using representative material and the required finished-product specification.
View the KJG Hollow Paddle Dryer range and original equipment specifications
Technical References for This Application
Obtain the SDS for the actual grade and residual process liquor. HSE safety-data-sheet guidance.
Assess charging, sampling, cleaning and discharge for the selected material. HSE exposure-assessment guidance.
Review the dust characteristics of the collected dry material. HSE combustible-dust guidance.
Review operation and maintenance around the specified equipment configuration. HSE work-equipment guidance.
Review the thermal duty and utilities for the actual feed. U.S. DOE process-heat reference.
Equipment Reference Parameters
These are the KJG Hollow Paddle Dryer model specifications. The operating duty for precipitated silica powder must be established from the feed and the finished-product requirements above.
| Specitem | KJG-3 | KJG-9 | KJG-13 | KJG-18 | KJG-29 | KJG-41 | KJG-52 | KJG-68 | KJG-81 | KJG-95 | KJG-110 | KJG-125 | KJG-140 |
| Heat transferring area(m²) | 3 | 9 | 13 | 18 | 29 | 41 | 52 | 68 | 81 | 95 | 110 | 125 | 140 |
| Effective volume(m³) | 0.06 | 0.32 | 0.59 | 1.09 | 1.85 | 2.8 | 3.96 | 5.21 | 6.43 | 8.07 | 9.46 | 10.75 | 12.18 |
| Range of rotating speed(rmp) | 15–30 | 10–25 | 10–25 | 10–20 | 10–20 | 10–20 | 10–20 | 10–20 | 5–15 | 5–15 | 5–10 | 1–8 | 1–8 |
| Power(kw) | 2.2 | 4 | 5.5 | 7.5 | 11 | 15 | 30 | 45 | 55 | 75 | 95 | 90 | 110 |
| Width of vessel(mm) | 306 | 584 | 762 | 940 | 1118 | 1296 | 1474 | 1652 | 1828 | 2032 | 2210 | 2480 | 2610 |
| total width(mm) | 736 | 841 | 1066 | 1320 | 1474 | 1676 | 1854 | 2134 | 1186 | 2438 | 2668 | 2732 | 2935 |
| Length of vessel(mm) | 1956 | 2820 | 3048 | 3328 | 4114 | 4724 | 5258 | 5842 | 6020 | 6124 | 6122 | 7500 | 7860 |
| Total length(mm) | 2972 | 4876 | 5486 | 5918 | 6808 | 7570 | 8306 | 9296 | 9678 | 9704 | 9880 | 11800 | 129000 |
| Distance of material inlet&outlet(mm) |
1752 | 2540 | 2768 | 3048 | 3810 | 4420 | 4954 | 5384 | 5562 | 5664 | 5664 | 5880 | 5880 |
| Height of center(mm) | 380 | 380 | 534 | 610 | 762 | 915 | 1066 | 1220 | 1220 | 1430 | 1560 | 1650 | 1856 |
| Total height(mm) | 762 | 838 | 1092 | 1270 | 1524 | 1778 | 2032 | 2362 | 2464 | 2566 | 2668 | 2769 | 2838 |
| Steam inlet“N”(inch) | 3/4 | 3/4 | 1 | 1 | 1 | 1 | 11/2 | 11/2 | 11/2 | 11/2 | 2 | ||
| water outlet”O”(inch) | 3/4 | 3/4 | 1 | 1 | 1 | 1 | 11/2 | 11/2 | 11/2 | 11/2 | 2 |
Equipment Views
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