Hóa chất

Hóa chất là lĩnh vực rộng nhất của SINOTHERMO, bao gồm máy sấy chân không, đối lưu và tầng sôi, máy trộn, máy tạo hạt và máy nghiền mịn dành cho hóa chất khối lượng lớn, hóa chất chuyên dụng và các chất trung gian. Dòng sản phẩm này đáp ứng từ vật liệu nhạy cảm với dung môi cần sấy tuần hoàn kín, chống cháy nổ, đến bột khoáng có tính mài mòn cần nghiền giảm kích thước từ thô đến mịn và trộn lực cắt cao.

Máy sấy CD

Máy sấy CD

Danh mục: Máy sấy dẫn nhiệt và chân không

Continuous Drying for Liquid and Paste-like Materials:

The CD Dryer is designed for continuous drying of liquids and pastes. Utilizing indirectly heated discs, the dryer efficiently transfers heat to the material, creating a thin layer for rapid evaporation. This method ensures effective drying and consistent product quality.

Input:
Liquid and Pasty Materials
Output:
Dried Solids (flake or powder, depending on application)
Heat Transfer Coefficient:
Overall heat transfer coefficient: 2,300W/m²k
Thermal Efficiency:
80 to 85% thermal efficiency
Máy sấy phun ly tâm LPG

Máy sấy phun ly tâm LPG

Danh mục: Máy sấy đối lưu, Máy sấy phun

Advanced Liquid-to-Powder Process:

A high-speed centrifugal atomizer at the tower's peak transforms materials into super fine liquid drops that dry quickly upon contact with hot air — perfect for precise particle size, moisture, density and shape standards.

Input:
Solutions, Emulsions, Suspensions
Output:
Powder with 3%-5% moisture content
Temperature:
Inlet air temperature range of 150°C to 500°C
Máy sấy phun áp lực YPG

Máy sấy phun áp lực YPG

Danh mục: Máy sấy đối lưu, Máy sấy phun

High-Pressure Nozzle Atomization:

The Pressure Spray Dryer atomizes feed liquid through high-pressure nozzles, producing coarser and denser granules with excellent flowability — widely used for foods, chemicals and dairy powders.

Input:
Solutions, Emulsions, Suspensions
Output:
Coarse powder or granules with 3%-5% moisture content
Temperature:
Inlet air temperature range of 150°C to 350°C
Máy sấy Spin Flash XSG

Máy sấy Spin Flash XSG

Danh mục: Máy sấy đối lưu, Máy sấy Flash

One-Step Continuous Flash Drying:

The Spin Flash Dryer dries pastes and filter cakes in a single continuous step. Hot air and mechanical agitation break up material while drying — no pre-crushing needed.

Input:
Pastes, Filter Cakes, Thick Slurries
Output:
Powder with 3%-8% moisture content
Temperature:
Inlet air temperature range of 150°C to 350°C
ZPG-Máy Sấy Cào Chân Không

ZPG-Máy Sấy Cào Chân Không

Danh mục: Máy sấy dẫn nhiệt và chân không

Rake Agitator Vacuum Conduction Dryer:

The Rake Dryer comes with a large-area jacket heating system and a rake agitator that increases the heating surface area, making it easier to move and heat materials. Operating under vacuum, it is perfect for handling flammable, organic solvent-based and heat-sensitive materials.

Input:
Pastes, Slurries, Viscous Materials
Output:
Powder with 3%-8% moisture content
Temperature:
Heat source temperature <150°C
KJG-Máy sấy cánh khuấy chân không

KJG-Máy sấy cánh khuấy chân không

Danh mục: Máy sấy dẫn nhiệt và chân không

Vacuum Conduction Dryer with Hollow Paddle Agitator:

With its heating surface and wedge-shaped hollow paddle agitators, the Vacuum Paddle Dryer outperforms conventional rake vacuum dryers in heating effectiveness. It aids in the movement and heating of materials under vacuum, suitable for flammable, explosive, organic solvent-based and heat-sensitive materials.

Input:
Liquids, Slurries, Pastes, Mashes
Output:
Powder with 3%-10% moisture content
Temperature:
Heat source temperature range of 50°C to 200°C
Additional Feature:
Mixing, Mild Crushing
Máy sấy đĩa thẳng đứng chân không PLG

Máy sấy đĩa thẳng đứng chân không PLG

Danh mục: Máy sấy dẫn nhiệt và chân không

Effective Continuous Vacuum Conduction Dryer:

The Vacuum Plate Dryer incorporates discs for efficient heating, providing a generous heating surface in a compact layout. It excels in vacuum operations, ideal for managing flammable, explosive and heat-sensitive materials.

Input:
Loose powder, Granules
Output:
Powder, Granules with 3%-8% moisture content
Temperature:
Heat source temperature <200°C
SZG-Máy sấy chân không thùng quay nón đôi

SZG-Máy sấy chân không thùng quay nón đôi

Danh mục: Máy sấy dẫn nhiệt và chân không

Dependable Vacuum Conduction Drying Solution:

The Double Cone Rotary Vacuum Dryer includes a heating system and an interior free of dead angles, making it highly adaptable. With its barrel rotation it effectively blends the contents — suitable for low-temperature vacuum operation with organic solvent-based and heat-sensitive materials.

Input:
Powders, Granules
Output:
Powder with 3%-5% moisture content
Temperature:
Heat source temperature <150°C
Additional Feature:
Rotating blending
DZLG-Máy sấy chân không hình nón dạng dải băng

DZLG-Máy sấy chân không hình nón dạng dải băng

Danh mục: Máy sấy dẫn nhiệt và chân không

Conical Vacuum Dryer with Hollow Ribbon Technology:

With its jacket and ribbon design, the Conical Vacuum Dryer provides a large heating surface, efficient material loading and smooth discharge without any dead angles. The ribbon facilitates mixing for heating and blending — perfect for low-temperature vacuum conditions with explosive and heat-sensitive materials.

Input:
Loose powdery, granular solids
Output:
Powder with 3%-5% moisture content
Temperature:
Heat source temperature <200°C
Additional Feature:
Stirring and mixing
Máy trộn vít xoắn hình nón DSH

Máy trộn vít xoắn hình nón DSH

Danh mục: Máy trộn, Máy trộn hình nón, Máy trộn vít tải

Gentle Conical Screw Blending:

The Conical Screw Mixer combines a rotating screw with a conical vessel for gentle, low-shear blending of powders and granules — fast discharge with minimal residue.

Input:
Powders, Granules
Output:
Homogeneous blends
Additional Feature:
Fast discharge, minimal residue
DW-Máy sấy băng tải

DW-Máy sấy băng tải

Danh mục: Máy sấy đối lưu

Continuous Convection Dryer with Mesh Belt:

The Belt Dryer can be configured with single or multiple mesh-belt layers, spreading material evenly for directional hot-air drying. Belt speed adjusts to each material's temperature and moisture content, so it runs at comparatively low temperatures while continuously processing large batches.

Input:
Permeable solids in sheets, strips, granules or blocks
Output:
Sheet, strip, granule or block solids with 3%–8% moisture content
Temperature:
Inlet air temperature < 200°C
Additional Feature:
Cooling
Máy Tạo Hạt Tầng Sôi Wurster FLP-Wurster

Máy Tạo Hạt Tầng Sôi Wurster FLP-Wurster

Danh mục: Máy tạo hạt và đùn, Máy tạo hạt tầng sôi

All-in-One Mixing, Granulating, Coating, and Drying:

After the main material forms a fluidized bed at the bottom, granules are created with the aid of adhesive sprayed from the top nozzles in the granulating chamber. Subsequently, coating material is sprayed onto the granules from bottom or side nozzles within the chamber for effective coating.

Input:
Main ingredient as powder (for granulation) or granules and pellets (for coating), with adhesive or coating material in liquid form
Output:
Solid medium-sized granules with 3%–5% moisture content
Type:
Spray Fluidized Bed, Wet Granulation
Additional Features:
Mixing, Coating, Drying, Cooling
ZLG-Máy sấy tầng sôi rung nằm ngang

ZLG-Máy sấy tầng sôi rung nằm ngang

Danh mục: Máy sấy đối lưu, Máy sấy tầng sôi, Máy sấy rung

Continuous Drying Solution for Granular Materials:

Operating on the principle of fluidization combined with vibration, the Vibrating Fluid Bed Dryer processes granules by circulating them on heated air that dries them evenly. This approach minimizes surface damage, prevents pollution thanks to its enclosed design, and gives granules time to settle — facilitating stable, continuous production.

Input:
Granules with moisture content < 20%
Output:
Granules with 1%–5% moisture content
Temperature:
Inlet air temperature < 200°C
Additional Feature:
Cooling
Máy Tạo Hạt Đùn Vít SET

Máy Tạo Hạt Đùn Vít SET

Danh mục: Máy tạo hạt và đùn

Wet Granulation with Screw Extrusion Process:

By utilizing an extrusion process, this wet-granulation machine leverages the self-viscosity of a solid-liquid dispersion to bond powder particles, producing granules of consistent shape and size. The screw-extrusion mechanism generates enough force to form pellets without always requiring a binder — particularly suitable for high-viscosity materials. Optional water cooling is available.

Input:
Solid-liquid mixture (predominantly solid)
Output:
Moist cylindrical granules
Type:
Extrusion Granulation, Wet Granulation
GHL-Máy tạo hạt trộn ướt nhanh

GHL-Máy tạo hạt trộn ướt nhanh

Danh mục: Máy tạo hạt và đùn

Cutting-Edge Wet Granulation Technology:

A paddle at the base swiftly mixes powders and sticky binders within a cylindrical bowl, while a rapid chopper on the side breaks the mixture into wet granules to prevent clumping. This fast process combines mixing and granule formation within minutes, and the Wet Rapid Mixing Granulator can provide heating or cooling as needed.

Input:
Main material in powder form, binding agent as paste
Output:
Solid, loose granules with approximately 15% moisture content
Type:
Mixing Granulation, Wet Granulation
Additional Features:
Mixing, Mild Crushing, Heating, Cooling
Máy Trộn Thùng Quay

Máy Trộn Thùng Quay

Danh mục: Máy trộn, Máy trộn thùng quay

Innovative Multi-Axis Motion Rotary Drum Mixer:

The Rotary Drum Mixer transforms the mixing process by moving and combining motions on the x, y and z axes. This method guarantees thorough mixing of powders and granules with simplicity and effectiveness, making it an ideal choice for dry-mixing applications.

Input:
Solid powders, Granules
Type:
Dry Mixing
Máy nghiền búa

Máy nghiền búa

Danh mục: Máy nghiền mịn

Versatile Pulverizing Technology:

With its versatile pulverizing technology, the Hammer Mill finds applications across industries. Its adaptable design features customizable blades, collection systems, cooling mechanisms and dust-removal systems, making it suitable for processing a wide range of materials.

Input:
Brittle solids (< 15mm)
Output:
50 to 150 mesh
CSJ-Máy Nghiền Thô

CSJ-Máy Nghiền Thô

Danh mục: Máy nghiền mịn

Primary Crushing Solution:

Typically used for processing hard, large-sized solid materials, the Coarse Pulverizer effectively serves as a preliminary step before further fine pulverization, optimizing subsequent crushing processes.

Input:
Brittle Solids (< 100mm)
Output:
0.5 to 20 mesh
Máy Nghiền Va Đập WFJ

Máy Nghiền Va Đập WFJ

Danh mục: Máy nghiền mịn

Optimal Choice for Ultra-Fine Granularity:

The Impact Pulverizer grinds materials to a particle size of 400 mesh or even finer, streamlining manufacturing processes. It can additionally be equipped with a cyclone collector and bag-type dust remover for cleaner processing.

Input:
Brittle Solids (up to 10mm)
Output:
80 to 450 mesh
HZG-Lò nung thùng quay

HZG-Lò nung thùng quay

Danh mục: Máy sấy đối lưu

Perfect for Large-Scale, Continuous Drying:

Wet material enters at one end of the Rotary Kiln, where internal flights agitate it and blend it thoroughly with hot air. This elongated drum dryer, spanning many metres, can process hundreds of tons per hour, and its drum speed adjusts from 1 to 10 RPM to suit different requirements.

Input:
Granular materials
Output:
Granules with 3%–5% moisture content
Temperature:
Inlet air temperature range of 40°C to 350°C
Additional Feature:
Mixing
Máy sấy cào thùng quay chân không HG/GT

Máy sấy cào thùng quay chân không HG/GT

Danh mục: Máy sấy dẫn nhiệt và chân không

Continuous Drying for Paste-like Materials:

In operation, the rotating drum picks up material as a thin film. Heat transfers from the inner to the outer wall, effectively evaporating moisture, while an internal scraper continuously converts the dried film into flake-like product in a short time.

Input:
Pasty, Viscous and Thick Materials
Output:
Flake-like Solids with 5%–8% moisture content
Temperature:
Inlet air temperature range of 120°C to 260°C
Additional Feature:
Cooling
Máy sấy phun tuần hoàn kín GXP

Máy sấy phun tuần hoàn kín GXP

Danh mục: Máy sấy đối lưu, Máy sấy phun

Optimal Drying for Sensitive Materials:

This explosion-proof spray dryer operates in a sealed environment, using inert gas as the drying medium to fully recover solvents from raw materials. The recyclable drying medium provides superior protection for sensitive materials.

Input:
Solutions, Emulsions, Suspensions
Output:
Powder with 3%–8% moisture content
Temperature:
Inlet air temperature range of 100°C to 300°C
Suitability:
Anaerobic, explosion-proof and low-temperature conditions
Máy Sấy Khí Động Flash

Máy Sấy Khí Động Flash

Danh mục: Máy sấy đối lưu, Máy sấy Flash

Integrated Handling for Heat-Sensitive, Loose Solid Materials:

Designed for temperature-sensitive and slightly viscous materials, this equipment offers a wide range of uses for loose solid materials. Its modular design allows drying and grinding stages to be added to meet varying customer requirements.

Input:
Non-viscous, loose solid materials
Output:
Powder, granules, with 3%–6% moisture content
Temperature:
Inlet temperature < 200°C
Additional Feature:
Grinding
FG-Máy Sấy Tầng Sôi Thẳng Đứng

FG-Máy Sấy Tầng Sôi Thẳng Đứng

Danh mục: Máy sấy đối lưu, Máy sấy tầng sôi

Solution for Batch Drying of Granules and Powder:

The Vertical Fluid Bed Dryer fluidizes materials with an upward air stream that promotes contact for quick drying or cooling. Designed specifically for batch production, it allows taller bed heights than horizontal fluidized bed dryers and is commonly paired with wet granulation machines.

Input:
Powders and Granules, moisture < 20%
Output:
Powders and Granules, moisture 3%–5%
Temperature:
Inlet air temperature < 100°C
Additional Feature:
Convertible to a spray fluidized bed granulator
Máy sấy tầng sôi nằm ngang XF

Máy sấy tầng sôi nằm ngang XF

Danh mục: Máy sấy đối lưu, Máy sấy tầng sôi

Versatile Continuous Drying for Granules and Powder:

The Horizontal Fluidized Bed Dryer aerates damp materials with an upward air stream to dry or cool them. Built for continuous manufacturing, it offers residence times from a few seconds to minutes, ensuring effective processing.

Input:
Powders and Granules, moisture < 20%
Output:
Powders and Granules, moisture 3%–5%
Temperature:
Inlet air temperature < 100°C
Additional Feature:
Cooling
GFG-Máy Sấy Tầng Sôi Trộn Thẳng Đứng

GFG-Máy Sấy Tầng Sôi Trộn Thẳng Đứng

Danh mục: Máy sấy đối lưu, Máy sấy tầng sôi

Fluidized Bed Drying with Built-In Mixing:

The Vertical Blending Fluidized Bed Dryer is equipped with a mixing mechanism that helps form a fluidized bed inside the vessel when handling heavy loads. Ideal for mass production, it can process thick materials and is typically paired with wet granulation setups.

Input:
Powder and Granules, moisture < 20%
Output:
Powder and Granules, moisture 3%–5%
Temperature:
Inlet air temperature < 100°C
Additional Feature:
Stirring, Cooling
FL-Máy Tạo Hạt Tầng Sôi

FL-Máy Tạo Hạt Tầng Sôi

Danh mục: Máy tạo hạt và đùn, Máy tạo hạt tầng sôi

All-in-One Mixing, Granulating, and Drying:

Materials form a fluidized bed at the bottom, where granules are created in the granulation chamber with the help of spray nozzles dispensing binder. The hopper allows several raw materials to be added and mixed during the fluidization process.

Input:
Main ingredient as powder, adhesive in liquid form
Output:
Solid medium-sized granules with 3%–5% moisture content
Type:
Spray Fluidized Bed, Wet Granulation
Additional Features:
Mixing, Drying, Cooling
Máy sấy rung xoắn ốc LZG

Máy sấy rung xoắn ốc LZG

Danh mục: Máy sấy đối lưu, Máy sấy rung

Method for Drying Pellets and Granules:

The Spiral Vibrating Dryer dries materials by using centrifugal vibration and gravity to move them in a bouncing path from top to bottom along a spiral bed. Fresh hot air enters from below, interacting thoroughly with the material for heat and mass transfer before leaving through the top — ensuring even drying.

Input:
Granular, short-rod and spherical solids with < 20% moisture
Output:
Granules, short rods and spheres with 3%–5% moisture
Temperature:
Inlet air temperature < 100°C
Additional Feature:
Cooling
Máy trộn hình chữ V

Máy trộn hình chữ V

Danh mục: Máy trộn, Máy trộn thùng quay

Multifunctional and Efficient Blender:

The V Blender's unique V-shaped chamber and rotation use gravity to gently mix materials, ensuring even distribution without damage.

Input:
Solid powders, Granules
Type:
Dry Mixing
Máy trộn nón đôi

Máy trộn nón đôi

Danh mục: Máy trộn, Máy trộn hình nón, Máy trộn thùng quay

Mixer with Multiple Motion Options:

Available in single-cone or double-cone designs, the Double Cone Blender features a sealed chamber that rocks back and forth along the X axis in repeated cycles to mix materials, ensuring high-quality results.

Input:
Solid Powders, Granules
Type:
Dry Mixing
GHJ-Máy trộn tốc độ cao

GHJ-Máy trộn tốc độ cao

Danh mục: Máy trộn

Rapid Mixing Capability:

By using high-speed chopper blades positioned on the sides of the machine, the High Speed Mixer stirs materials and boosts their movement, enhancing mixing efficiency. The collaborative action of these blades gives consistent blending, with each blend taking only a few minutes.

Input:
Powders, Granules, Minor Liquids
Type:
Dry Mixing, Mild Wet Mixing
Additional Features:
Mild Crushing
Máy trộn CH-Sigma

Máy trộn CH-Sigma

Danh mục: Máy trộn, Máy trộn nằm ngang

Straightforward Design, Eliminating Awkward Corners:

The Sigma Mixer comes with a trough-shaped mixing chamber and sigma-shaped paddles mounted on the shaft, providing both sealing and mixing capabilities. Perfect for blending powders, granules and small amounts of liquid.

Input:
Powders, Granules, Small Amounts of Liquid
Type:
Dry Mixing, Mild Wet Mixing
Máy trộn lưỡi cày LDH

Máy trộn lưỡi cày LDH

Danh mục: Máy trộn, Máy trộn nằm ngang

Great for Processing Materials That Require Breaking Down:

The Ploughshare Mixer consists of a transmission system, a cylinder, ploughshares and flying blades. The ploughshares promote movement along the cylinder wall while high-speed flying blades disperse materials efficiently, ensuring quick and even mixing.

Input:
Powders, Granules, Small amounts of liquids
Type:
Dry Mixing, Mild Wet Mixing
Additional Feature:
Mild Crushing
WLDH-Máy trộn dải băng nằm ngang

WLDH-Máy trộn dải băng nằm ngang

Danh mục: Máy trộn, Máy trộn nằm ngang, Máy khuấy trộn dải băng

Equipped with Horizontal Screw Belts:

The Horizontal Ribbon Mixer offers efficient material blending. Its cylinder holds a shaft with surrounding ribbon belts that rotate at equal speed: the outer belts move material from both ends toward the center while the inner belts move it from the center back out, folding the batch together for thorough mixing.

Input:
Powders, Granules, Small amounts of liquid
Type:
Dry Mixing, Mild Wet Mixing
Máy Khuấy Trộn Vít Tải Dải Băng Hình Nón DLH

Máy Khuấy Trộn Vít Tải Dải Băng Hình Nón DLH

Danh mục: Máy trộn, Máy trộn hình nón, Máy khuấy trộn dải băng, Máy trộn vít tải

Equipped with Rotating Spiral Belt:

A screw encased in a ribbon rotates simultaneously to create a swirling motion, lifting material upward in a spiral from the base of the cone before it descends by gravity. Optional features such as spray atomization and jacket heating or cooling are also available.

Input:
Solids, Powders, Granules, Liquids
Type:
Dry Mixing, Wet Mixing
Additional Features:
Humidifying, Drying, Cooling
Máy Tạo Hạt Dao Động YK

Máy Tạo Hạt Dao Động YK

Danh mục: Máy tạo hạt và đùn

Efficient, Versatile Oscillating Granulator:

The Oscillating Granulator uses a special back-and-forth motion to softly turn moist powder into even, round granules. Variable oscillation frequency and amplitude allow precise control of particle size and density, in a compact design with simple operation and low maintenance requirements.

Input:
Moist powder mixed with a binder
Output:
Wet cylindrical granules
Type:
Dry Granulation, Wet Granulation
Additional Feature:
Mixing
ZLB-Máy tạo hạt dạng rổ

ZLB-Máy tạo hạt dạng rổ

Danh mục: Máy tạo hạt và đùn

Efficient Wet Extrusion Granulator:

Moist powder is pushed through a mesh by rotating blades during extrusion to form quality granules. The Basket Granulator offers steady granulation rates, visually appealing particles, an automated discharge process and high output levels.

Input:
Moist powder mixed with a binder
Output:
Wet cylindrical granules
Type:
Extrusion Granulation, Wet Granulation
Additional Feature:
Mixing
Máy tạo hạt nén khô GKDH

Máy tạo hạt nén khô GKDH

Danh mục: Máy tạo hạt và đùn

Additive-Free Dry Granulation Process:

Dry raw materials are compressed under pressure to form solid flakes, which are then processed into granules of the desired size — forming granules through pressure alone, with no liquid binder or added moisture.

Input:
Powder
Output:
Solid Granules
Type:
Dry Granulation
Additional Features:
Crushing, Screening
ZYG-Máy sấy đĩa nằm ngang chân không

ZYG-Máy sấy đĩa nằm ngang chân không

Danh mục: Máy sấy dẫn nhiệt và chân không

Vacuum Conduction Dryer with Hollow Disc Stirrers:

The Vacuum Horizontal Disc Dryer has a large-area jacket for heating and hollow disc stirrers that enhance the heating surface. It performs better than rake and paddle vacuum dryers in heating efficiency for many materials, is suited to low-temperature vacuum operation, and is ideal for handling flammable, explosive, organic-solvent-based and heat-sensitive materials.

Input:
Liquids, Slurries, Pastes, and Mashes
Output:
Powder with 3%–10% moisture content
Temperature:
Heat source temperature 50°C to 200°C
Additional Feature:
Stirring, Mild Crushing
Máy sấy đông khô dạng tủ

Máy sấy đông khô dạng tủ

Danh mục: Máy sấy thăng hoa, Máy sấy đông khô công nghiệp

State-of-the-Art Cabinet Freeze Dryer for Industrial Use:

This Cabinet Freeze Dryer is crafted to extract moisture efficiently from a wide array of products. Using a freeze-drying technique, it lowers temperatures to optimal levels and converts moisture directly from solid to vapor — ensuring top-notch preservation and quality without a liquid phase.

Input:
Pharmaceutical ingredients, food products, chemical compounds
Output:
Stably dried and preserved materials
Temperature:
-50°C to -80°C

Thiết Bị Bao Phủ Toàn Bộ Chuỗi Quy Trình Hóa Chất

Máy sấy chân không xử lý các chất trung gian hóa học nhạy cảm với dung môi và nhiệt; máy sấy đối lưu và tầng sôi xử lý bột khối lượng lớn ở quy mô lớn; máy trộn phối trộn các công thức hóa chất từ bột chảy tự do đến dạng paste có độ nhớt cao; máy nghiền mịn và máy tạo hạt kiểm soát kích thước hạt ở cả hai đầu của quy trình.

Các Nhu Cầu Chế Biến Hóa Chất Phổ Biến Mà Dòng Sản Phẩm Này Đáp Ứng

Sấy tuần hoàn kín, chống cháy nổ cho dung môi hữu cơ và vật liệu dễ cháy. Các tùy chọn kết cấu chống ăn mòn cho nguyên liệu hóa chất có tính ăn mòn mạnh. Trộn lực cắt cao cho dạng paste có độ nhớt cao, kết hợp với trộn nhẹ nhàng cho bột chảy tự do. Giảm kích thước từ nghiền thô đến nghiền mịn cấp micron.

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