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  1. Home
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  3. 澁谷工業 メカトロ統轄本部
  4. What causes clumping when adding powder? Design points for preventing and addressing poor dispersion.
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  • Apr 14, 2026
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Apr 14, 2026

What causes clumping when adding powder? Design points for preventing and addressing poor dispersion.

澁谷工業 澁谷工業 メカトロ統轄本部
In dispersion processes, the occurrence of agglomerates (clumps) during powder addition, which cannot be resolved in subsequent dispersion stages, is a common issue in many settings. The cause of this is that the powder does not wet uniformly in the liquid, leading to the formation of localized high-concentration areas. These agglomerates are also referred to as "fisheyes," and due to their internal unwetted structure, they are difficult to break apart. Once an agglomerate forms during powder addition, liquid has difficulty penetrating its interior, resulting in only the outer layer being wetted, which makes it hard for the internal particles to be disintegrated. Additionally, depending on the addition position and speed, the powder may float on the liquid surface or remain stagnant without following the flow within the equipment, promoting the formation of agglomerates. Particularly under conditions of high viscosity or high solid content, the low fluidity makes it challenging to achieve uniformity in the initial dispersion stage, leading to a higher likelihood of agglomerates remaining. Such agglomerates may not be completely resolved even with strong shear in subsequent processes, causing variations in the quality of the final product and introducing foreign substances. To prevent the formation of agglomerates, it is crucial to improve wettability during powder addition, ensure appropriate addition positions and flow design, and optimize the initial dispersion. By performing shear and mixing simultaneously right after addition, as in inline powder addition and simultaneous dispersion, it is possible to suppress the formation of agglomerates and achieve stable dispersion quality.
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This is the powder input and dispersion integrated system to prevent agglomeration.
The occurrence of lumps during powder input significantly affects the subsequent dispersion quality. Our solid-liquid mixing system achieves a uniform dispersion state from the initial stage by performing shearing and dispersion simultaneously with the powder input. We offer a stable process design that accommodates high viscosity and high solid content conditions while minimizing the formation of lumps.

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Protein dispersion test service

Resolve issues of not dissolving and clumping in advance. Test the dispersibility of the protein.

The quality of protein products is greatly influenced by their dispersion state. In particular, powdered protein often faces challenges such as clumping during dissolution in water or solvents, uneven dispersion, and poor mouthfeel. Additionally, changes in formulation or raw materials can alter viscosity and dispersibility, leading to cases where there are no issues during prototyping but quality becomes unstable during mass production. This service conducts dispersion tests tailored to raw material characteristics and formulation conditions, verifying the suppression of clumping, improvement of dispersibility, and enhancement of mouthfeel. Furthermore, through process design aimed at scaling up from the lab to small machines and mass production equipment, we establish reproducible manufacturing conditions. We can support evaluations from the prototyping stage to pre-mass production verification.

  • Emulsifier/Disperser
  • Dispersion/emulsification equipment/homogenizer
  • Vacuum degassing machine

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Protein dispersion and mixing system for beverage manufacturing (solid-liquid mixing)

Suppressing sedimentation and evenly dispersing the protein.

In the manufacturing of protein drinks, issues such as "clumping," "residue," and "sedimentation/separation" are not merely due to insufficient stirring, but are caused by factors such as powder input conditions, wettability, and the design of mixing and dispersion processes. Particularly during high-concentration formulations or the addition of functional materials, variations in quality and reduced reproducibility become problematic. Shibuya Kogyo's solid-liquid mixing and dispersion system is designed as an integrated solution from powder supply to mixing, dispersion, and formulation, enhancing the solubility and dispersion stability of proteins. Through process optimization tailored to material properties and viscosity conditions, it achieves clump suppression, uniform dispersion, and prevention of sedimentation. We provide consistent support from the research and development stage to mass production equipment, ensuring quality reproducibility during scale-up. This contributes to stable production and quality improvement in food applications. Please consult us about your current challenges.

  • Beverage Production Equipment
  • Powder Supply Device
  • Dispersion/emulsification equipment/homogenizer

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Dispersion machine (solid-liquid mixing dispersion system) slurry dispersion line

Dispersion is not determined by the equipment. It is determined by the process design of the solid-liquid mixing dispersion system.

The occurrence of "agglomeration," "cohesion," and "viscosity increase" in dispersion processes is caused not by the equipment but by the design of the process. Poor wetting during powder input and unsuitable dispersion conditions lead to quality variations and poor redispersion, significantly compromising stability during mass production. Additionally, during scale-up, it is often impossible to reproduce the same conditions, resulting in unexpected troubles. Furthermore, every time there is a change in materials or formulations, new conditions must be established, increasing the burden of development and mass production. Shibuya Kogyo's solid-liquid mixing and dispersion system is designed to provide a consistent process from powder supply to dispersion, formulation, and CIP cleaning. By optimizing the entire process, including material properties, input conditions, and fluid design, we stabilize dispersion quality and reproducibility. Moreover, optimization across the entire line contributes to reducing losses between processes and lowering equipment load. It is not just a dispersion machine but a dispersion system that governs the entire process. By building quality from the design stage, we achieve shorter startup times and improved yields. We also provide consistent support from equipment selection to startup, reducing the burden on the site. We propose the optimal dispersion process tailored to your materials and process conditions. Please consult us about your current challenges. We support you from initial considerations to mass production startup.

  • Emulsifier/Disperser
  • Dispersion/emulsification equipment/homogenizer
  • Emulsifying and dispersing machine

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High-Performance Plastics Exhibition - Invitation to Exhibit at Plastic Japan

From October 29 (Tuesday) to 31 (Thursday), 2024! We will be exhibiting small ultrasonic dispersion devices and ultrasonic generators!

We are pleased to hear that you are doing well. Thank you very much for your continued support. We are excited to announce that our company will be exhibiting at the "13th High-Performance Plastics Exhibition - Plastic Japan" (Makuhari Messe). We will be showcasing the following equipment at our booth, and we would be delighted if you could stop by despite your busy schedule. * Inline Continuous Powder-Liquid Mixing and Dispersion System * Tabletop Inline Dispersion Device * Small Ultrasonic Dispersion Device * Ultrasonic Generator These products utilize continuous mixing and dispersion technology, which dramatically improves production efficiency compared to traditional batch methods. All of our staff are looking forward to welcoming you to our booth. 【Event Information】 * Dates: October 29 (Tuesday) to October 31 (Thursday), 2024 10:00 AM to 6:00 PM (until 5:00 PM on the last day) * Booth Number: Hall 6, Booth Number 35-26 (Plastic Japan Area) * For more details about the exhibition, please refer to the related links. You can download the PDF for more information or feel free to contact us.

  • Emulsifier/Disperser
  • Powder Supply Device
  • Dispersion/emulsification equipment/homogenizer

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CNT disperser for continuous dispersion of nanomaterials.

Supports CNT aggregation prevention and uniform dispersion. Assists in stabilizing the quality of conductive material slurry through continuous processing.

This is a solid-liquid mixing system for conductive material slurries utilizing CNT dispersers. Carbon nanotubes (CNTs) tend to agglomerate easily, and their conductivity and slurry quality are significantly affected by dispersion conditions. This system addresses CNT agglomeration through high-shear dispersion and stabilizes quality through uniform dispersion. Additionally, inline continuous processing reduces dispersion variability, improves reproducibility, and stabilizes production. It also accommodates process design that includes powder supply, dispersion, defoaming, and transfer, allowing for system proposals that combine inline dispersers, batch dispersers, static mixers, etc., according to material properties and viscosity conditions. It is utilized for improving process challenges in applications involving nano materials such as CNT conductive material slurries, battery materials, electronic materials, and high-performance materials. It is capable of supporting everything from lab tests to scale-up and mass production line construction.

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  • Powder Supply Device
  • Dispersion/emulsification equipment/homogenizer

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Inline solid-liquid mixing dispersion system

Inline solid-liquid mixing dispersion system

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Metal Crack Repair: MS Method for Repairing Cracks and Fractures in Machinery Equipment

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Metal cracks are one of the concerns in equipment maintenance operations. Conventional welding repair methods can cause changes in the base material around the crack due to heat, leading to residual stress and deformation, which always carries the risk of "crack recurrence" and "secondary damage." Hinode Water Supply Equipment Co., Ltd.'s "Mechanical Stitching Method" is a new technique that allows for the repair of metal cracks without applying heat. By using special bolts and reinforcement plates, the crack is physically removed without affecting the base material with heat. Repairs can be made even in environments where open flames cannot be used. Since no heat is applied, the disassembly of equipment is minimized. For more details, please contact us or download the catalog.

Jun 10, 2026

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Casting sand mold 3D printer prototype production

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● The production time for casting prototypes can be shortened! Since model production is not required, the time needed to create prototypes, which previously took about a month, can be significantly reduced. ● Model costs can be reduced! By directly producing sand molds from 3D data, there is no need for model production costs. If changes to the model are necessary, they can be addressed by modifying the 3D data. ● Similar products with different shapes and dimensions can be prototyped simultaneously! Different products, such as similar shapes or variations in dimensions, can be molded at the same time in one molding process. This allows for the verification of multiple types in a short period.

Jun 10, 2026

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Non-contact light beam touch sensor "HA-T Series"

【Catalog now available!】Energy-saving automatic door sensors "HA-T401/HA-T520"

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The "HA-T Series" is an energy-saving automatic door sensor that opens only for those who wish to enter, whether on a busy street or in a narrow passageway. The automatic door opens simply by bringing your hand close, addressing hygiene concerns even in facilities used by a large number of people. You can choose between "Non-vision Mount Type/HA-T401" and "Non-vision Built-in Type/HA-T520" depending on the application and installation location. 【Recommended for such places!】 ☑ Entrance facing a busy corridor ☑ Presence of counters or signs near the door ☑ Buildings facing narrow passages ☑ Buildings that prioritize aesthetics ☑ Hospitals and facilities that consider hygiene ☑ Large facilities with many doors 【Features】 ● Adaptable to various door types with four detection spot settings ● Reduces unnecessary opening and closing, contributing to energy-saving by minimizing wasteful power consumption ● Equipped with a light touch function, allowing the door to open and close just by waving your hand, ensuring hygiene ● Can also be used as a wide detection range non-vision infrared sensor ◎ For more details, please download the materials or contact us.

Jun 09, 2026

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■■ Air Leak Tester | FLA-0200 / FLA-0201 series ■■ Fukuda's new flagship model. Equipped with mastering correction function, it enables high-precision measurements in a short time.

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Fukuda's new flagship model. - Masterless type (FLA-0200 series) - General type (FLA-0201 series) Two models of air leak testers. With the mastering correction function, high-precision measurements can be achieved in a short time. Please take a look at the catalog.

Jun 09, 2026

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[Free Materials Available] Introducing Useful Information on Vehicle Detection Sensors!

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To customers considering the introduction of vehicle detection sensors for parking lot construction, design, and management: Are you facing any issues with the challenges you currently have or selecting the right sensors for parking lot management? Hotron offers free materials that explain how to utilize vehicle detection sensors and the benefits of their introduction! ▽ Here is the lineup of materials ◉ Basic Guide to Vehicle Detection Sensors This guide focuses on the challenges and solutions in parking lot operations, introducing the overview of vehicle detection sensors. ◉ Key Points for Introducing Vehicle Detection Sensors This material discusses the benefits of introduction based on installation locations and specific challenges. ◉ Case Studies of Vehicle Detection Sensor Implementation This document introduces the challenges before implementation and the results after introduction. For more details, please download from our website and check it out. https://www.hotron.co.jp/download/

Jun 09, 2026

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