Introduction
A dual shaft high speed disperser is an industrial mixing and dispersing machine with two shafts, used for the high-speed dispersion, the mixing, and the homogenization of the materials, and it is used in the paint, the coating, the ink, the chemical, and the many other industries. The dual shaft high speed disperser consists of two shafts, typically a high-speed dispersing shaft with the dispersing disc, and a slow-speed mixing shaft with the anchor or the paddle, and it operates by the high-speed rotation of the dispersing disc, which disperses and breaks up the agglomerates, and the slow-speed mixing of the anchor, which scrapes the vessel walls and provides the overall mixing, and it processes the materials with the high shear, with features such as the adjustable speeds of the two shafts, the lifting of the shaft assembly, and the vacuum operation in some models; the dual shaft high speed disperser is used for the dispersion of the pigments and the fillers, for the mixing of the paints and the coatings, for the preparation of the pastes and the slurries, for the homogenization, for the dissolution, and for many other applications, and it is available in various capacities, from the laboratory models to the large production models; the dual shaft high speed disperser is an essential equipment for the dispersion and the mixing in the industry. Dual shaft high speed dispersers are used in the paint and the coating industry, in the ink industry, in the chemical industry, in the adhesive industry, and for many other applications. With their dual shafts, dual shaft high speed dispersers are essential for the efficient dispersion.
Dual-shaft High Speed Disperser LDSH-T2014
Dual-shaft High Speed Disperser features an adjustable speed of 0 to 1450 rpm, providing precise control over mixing intensity to suit different material viscosities. It is equipped with...
Dual-shaft High Speed Disperser LDSH-T2013
Dual-shaft High Speed Disperser offers a working travel of 1000mm, allowing the mixing shafts to move vertically across a wide range. It is constructed from high-grade stainless steel, e...
Dual-shaft High Speed Disperser LDSH-T2012
Dual-shaft High Speed Disperser offers dispersing blades of 230mm or 250mm for efficient shearing and mixing action for a wide range of material viscosities. It has an integrated digital...
Dual-shaft High Speed Disperser LDSH-T2011
Dual-shaft High Speed Disperser offers an adjustable speed of 0 to 1450 rpm, providing precise control over mixing intensity to suit different material viscosities. It includes a hydraul...
Dual-shaft High Speed Disperser LDSH-T2010
Dual-shaft High Speed Disperser features a working travel of 800mm, allowing the mixing shafts to move vertically across a wide range. It includes an integrated cooling system, preventin...
Standards
Complies with the above standards, but is not limited to them.
Features
1. Dual shaft high speed disperser for high-viscosity and high-solids dispersion with independent agitator shafts.
2. Multi-shaft disperser combining high-speed saw-tooth disc with slow-speed anchor/auger for viscous pastes and compounds.
3. Suitable for paint, coating, adhesive, sealant, cosmetic, pharmaceutical, chemical and composite manufacturing.
4. Includes dual drive motors, two shafts (high-speed disc + slow-speed anchor), vessel, controls, stand and operation manual.
5. Supports dispersion and mixing of high-viscosity paints, coatings, adhesives, sealants, pastes and filled compounds.
FAQ
Q1: What testing scenarios is this disperser mainly applied to?
A: The dual shaft high speed disperser is used in paint and coating manufacturing, adhesive and sealant production, cosmetics, pharmaceuticals, chemical processing, food, and composite manufacturing to disperse and mix high-viscosity, high-solids materials that cannot be effectively processed by a single-shaft disperser, using two independent agitator shafts: a high-speed saw-tooth (cowles) disc for high-shear dispersion and a slow-speed anchor/auger/scraper for bulk flow and heat transfer in viscous materials. It supports high-solids coatings (high-solids paints, 100% solids coatings, epoxy coatings, polyurethane coatings - high viscosity with high pigment/filler loading; single shaft cannot circulate material to disc), adhesives and sealants (caulks, adhesives (epoxy, polyurethane, silicone), sealants (acrylic, butyl, polysulfide), filled compounds (high filler loading: calcium carbonate, talc, fumed silica, carbon black - very viscous, thixotropic), cosmetics (creams, lotions, pastes, foundations, lipsticks, mascaras - high viscosity, shear-sensitive ingredients, need gentle but thorough mixing), pharmaceuticals (ointments, creams, gels, pastes, suspensions - GMP/sanitary design, controlled shear for API dispersion), chemical and specialty (pesticide suspensions, ceramic slurries, casting compounds, BMC/SMC, pigment pastes, carbon black dispersions, mastics, roofing compounds), food (pastes, spreads, confectionery, sauces, dough-like materials - food-grade construction), and QC/R&D (pilot-scale dual-shaft for formulation development, scale-up studies, small batch production of high-viscosity products).
Q2: What standards does the disperser comply with?
A: The dual shaft high speed disperser follows relevant IEC, ISO, ATEX and GB/T standards including IEC 61010 (lab models), IEC 60204 (machine electrical), ISO 13849 (machine safety), ATEX/IECEx for explosive environments (if processing flammable solvents), and GB/T standards for mixers/dispersers. For production models, comply with OSHA/CE machinery directives. For pharma/food, follow GMP (316L stainless, sanitary design, cleanability, IQ/OQ/PQ) and FDA/EMA/3-A standards. Calibration includes speed (RPM) verification for both shafts and timer accuracy. For paint/coating, equipment must meet electrical and safety codes.
Q3: What is the warranty period for the whole disperser and key components?
A: The whole dual shaft disperser is covered by a 12-24 month warranty. Both drive motors, gearboxes, shafts, agitators (disc, anchor), frame/stand, and controller are covered, while disperser disc (wear), anchor/scraper blades (wear - especially Teflon scrapers), seals/gaskets, bearings, vessel, and fuses are consumables/accessories. Damage from overloading (exceeding viscosity/power - motor burnout, shaft bending), abrasive filler wear (silica, calcium carbonate wear disc/anchor), running dry, liquid ingress, or unauthorized repair is excluded. Extended warranty/service contracts available. Motors last 10-20 years; agitators/seals need periodic replacement (1-5 years depending on usage/abrasiveness).
Q4: Is this device difficult to operate? Is professional training required?
A: Operation requires trained operators (dual-shaft machines are more complex than single-shaft). We provide manuals, installation, and training. Proper setup (position shafts in vessel (high-speed disc centered, anchor close to vessel walls/bottom with scraper clearance), clamp vessel, verify electrical (dual motors - dedicated circuits, explosion-proof if solvents), material loading (pre-mix liquid components, add fillers gradually while both shafts running at low speed, ensure material covers both agitators), operation (run both shafts simultaneously: high-speed disc for dispersion/shear, slow-speed anchor for bulk circulation (constantly moves material to disc, prevents dead zones, improves heat transfer); set speeds independently (high shaft: 500-3000 RPM depending on disc size; low shaft: 10-100 RPM anchor); monitor temperature (viscous materials generate heat - use jacketed cooling; monitor viscosity), monitor fineness (grind gauge for pigment dispersion), post-operation (clean immediately (viscous materials harden - use solvent/water, disassemble agitators for thorough cleaning; anchor with scrapers requires careful cleaning), maintenance (daily: clean, inspect scrapers/disc for wear, check seals; weekly: gearbox oil, belts, lubrication; monthly: speed calibration, bearing temp; annually: professional PM), troubleshooting (poor circulation (anchor speed too low, material too viscous, wrong anchor size - increase anchor speed, reduce batch, use appropriate anchor), motor overload (too viscous, overfilled, wrong disc - reduce load, adjust), excessive heat (high speed too long, no cooling - reduce, cool), seal leakage (worn seals - replace), and safety (dual rotating shafts (entanglement, shear - guards, lockout/tagout, never reach in while running), dust (pigment/filler - dust collection), solvents (explosion-proof, fume extraction, grounding), noise (hearing protection), high torque (anchor can jam in viscous material - ensure proper viscosity, do not overload)) are important for safe, effective processing.
Q5: What is the typical lead-time for order delivery?
A: Standard models require 7-30 working days. In-stock units can ship within 3-7 working days. Custom configurations or large built-to-order systems may require additional time, and we confirm the exact schedule before order confirmation.
Q6: Is regular calibration required? What is the recommended calibration cycle?
A: Speed calibration for both shafts every 6-12 months with tachometer (verify high and low shaft at multiple settings). Timer accuracy every 6-12 months. Agitator wear inspection (disc saw teeth, anchor scrapers - replace when worn; scrapers affect wall scraping/heat transfer). Bearing/gearbox maintenance per schedule. For GMP/pharma/food, follow equipment maintenance schedules and maintain records. Dual-shaft dispersers are industrial machines - regular maintenance ensures consistent dispersion and prevents downtime.
Q7: Are supporting consumables universal?
A: Disperser disc (replacement, specific to shaft/diameter), anchor/scraper blades (Teflon/HDPE scrapers - wear part, specific), seals/gaskets (specific), bearings (standard or specific), vessels (jacketed, baffled - specific), and cleaning supplies are available from industrial/lab supply, though agitators and seals are machine-specific. Long-term cost includes agitator/scraper replacement and bearings/seals.
Q8: Can I customize parameters or supporting accessories?
A: Customization includes shaft configuration (high-speed disc + anchor (most common), high-speed disc + auger (for vertical circulation), high-speed disc + gate anchor (for very high viscosity), triple shaft (add rotor-stator for emulsification)), capacity (lab (2-20 L), pilot (20-100 L), production (100-5000+ L)), motor (variable speed on both shafts (VFD), explosion-proof, washdown/sanitary), vessel (jacketed (heating/cooling), vacuum (degassing, oxygen-sensitive), pressure, baffled, sanitary 316L polished), lift (hydraulic/electric/pneumatic), controls (PLC, touchscreen, recipe storage, data logging, 21 CFR Part 11), accessories (extra agitators, vessels, scrapers, cooling/heating circulator, vacuum pump, calibration certificate), certifications (CE, UL, ATEX, 3-A, ISO 13485). Additional accessories can be ordered separately.
Q9: Does the purchase include on-site installation and commissioning service?
A: Standard delivery includes dual-shaft disperser, vessel, agitators, controls, power cord, and manual. On-site installation, commissioning, and training ARE typically included for production dual-shaft dispersers (complex industrial machines requiring electrical hookup, mechanical installation, and user training). For lab models, self-installation feasible but training recommended. Always verify before production use.
Q10: What types of materials are compatible with this equipment?
A: The dual shaft disperser processes high-viscosity, high-solids materials including high-solids coatings (100% solids, high-build, epoxy, polyurethane), adhesives/sealants (caulks, adhesives, sealants, filled compounds), cosmetics (creams, pastes, foundations, lipsticks), pharma (ointments, creams, gels, suspensions), chemicals (pesticide suspensions, ceramic slurries, mastics, pigment pastes), food (pastes, spreads, confectionery), and composites (BMC/SMC, casting compounds). NOT suitable for: very high viscosity (>100,000-1,000,000 cP, e.g., rubber compounds, heavy dough - use kneader/extruder/double planetary), very low viscosity (single shaft sufficient - dual shaft is overkill), fine sub-micron/nano dispersion (use bead mill after pre-dispersion), and shear-sensitive materials (high-speed disc may degrade - use only anchor or low-shear mixer). The dual shaft design excels where single shaft fails: viscous materials where bulk circulation is needed to bring material to the high-shear disc, preventing dead zones and improving heat transfer.
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