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V Blender

V-Shell Blenders are commonly used in pharmaceutical, nutriceutical, chemical, food and related industries to mix dried powder and granules.

This Mixer has the following distinguishing features: No blind angle in the V-Shells, no accumulation of materials, high speed I-bar, efficient and short mixing time. The housing are made of stainless steel.  The V-Shells have elegant appearance the charging of materials can be made either by manual operation or through pneumatic vacuum system. For discharging, rotating valves and rapid swivel heads are adopted.

V-Shell Blenders:

It consists of two V-Shells of different or same altitudes, and through mechanical transmission, the materials in these shells are made to move back and forth, crossed over and rotate 360° to achieving ultimate uniform mixing.  SaintyCo’s V-Shell Blenders are rugged in designed and construction, 304 S.S. (optional 316L) mirror polished of inner and outer shell to meet the cGMP Standard.  We offer the most affordable V-Blenders in the marketplace from laboratory to large scale production batch.

V Blender:

Technical DataV-100V-180V-300V-500
Vessel Volume (L)100180300500
Max. Mixing Weight (kg/batch)354060100
Charge-in Time(min)4-6
Mixing Time Recommend (min)4-64-86-106-10
Mixing Rotation (rpm)12121212
Mixing Power (kW)1.11.11.12.2
Dimension(mm)1680×680×17001780×680×17001880×680×17002500×1350×2450
Working Height(mm)1870187018702450
Weight (kg)280290300550

V Blender: The Ultimate FAQ Guide

In this guide, you will find all information you are looking for about V blender machines.

Whether you want to learn about specifications, features, specifications or working principle – you will find all information right here.

Keep reading to learn more.

1.  What Is V-blender?

V-Blender-Mixer

A V Blender Machine

It is a blending machine which is productive and all-round that homogeneously mix and lubricate dry powder.

Like the name suggest, this blending machine structure takes the shape of letter “V”.

2.  What Are The Main Parts Of V-Blender?

  • Cylindrical Twin Shells

Blending of material takes place in a container system formed by the shells.

The cylinders are 70° to 90° inclined and hollow.

For easy tumbling, join the container to trunnions.

Monitoring, loading materials and cleaning access points are on both cylindrical arms.

In the inside parts, it has a morror shinning finishing.

  • System For Discharge

At the bottom around 24 inches from floor or extra of cylindrical V shape shells is mixer’s discharge system.

The valves are enough for products withdrawal regulation.

To prevent wastage of material through spillage, secure seal is provided by the valves thus a neat environment to work on is maintained.

One of the valve mechanisms is manual operation, where valve is openned and closed manually.

The second mechanism is pneumatic operation which is for unloading and electric.

  • Control System Full Kit

It is made up of programmable logic control and control panel.

Numerous operations of machines are programmed by the PLC system.

In mixer operations, control system is key.

It includes; main power supply, start button, fuse, stop button incase of emergency.

Safety button, frequency drives that are different just incase the load in the mixer is full, soft start is initiated.

  • Drive System

With this part, enough operation machine thrust is guaranteed.

Constant cylindrical shells rotational force and enough resolution is provided by DC motor.

Are of different kinds e.g saving energy, high efficiency, frequency variables, resistant to explosion and general motos.

Apart from machine use step down voltage, power supply is converted from AC to DC by the system.

Depending on the method of starting the machine, material or processing degree, driver unit and power consumption can be altered.

  • Standing Support

During rotation, a strong stand made of stainless steel supports the machine and huge weight of mixer base is accommodated.

The whole machine is supported structurally by a profile made of stainless steel.

To prevent users operational physical injuries, rotating segments are covered with safety guards.

A Standing Support Is A Crucial Part Of A V Blender
A Standing Support Is A crucial Part Of A V Blender Machine

3.  How Does V-Blender Work?

Connect the machine accurately before you start operation and ensure effective functioning of the system.

With straight forward and simple operation of blending using either of the two shells, load the materials.

A charging system bin may be included to get an operation that is free from dust.

If working with a PLC machine, it is an automatic style of loading drum.

Loading same shape, size and density powders care must be taken.

To attain a mixture that is homogenous, materials of equal portion is loaded in each cylinder arm.

Process of tumbling begins after completion of loading. Acting vessels for mixing are the shells.

Regular splitting and combining of the materials in the cylinders into two arms.

Under gravity action, material fall inside cylinder freely where the mixing take place.

Diverging and converging force is continuously produced on the component due to the gravity motion.

Interior walls with large vessels get in contact increasingly with the content leading to a blending that is uniform and smooth.

Diffusion is a significant technique during operation of blending in the vessel for a viable mixture achievement.

An Illustration Of How A V Blender Works

An Illustration Of How A V Blender Works

In a random motion engagement of solid particles in the shells is on as vessel goes on rotating.

Particles movement rise equally due to increase in rotation thus diffusive blending.

Depending on the blending material, there might be time variation, between 5 minutes to 15 minutes is the standard blending time.

Technique of diffusion under normal conditions leads to formulation which is precise and highly uniform.

Through the discharge port unload your desired product.

To release formulation, engage it accordingly considering the discharge valve used.

Use equipment that are preferred like barrel or drums for product collection.

The vessels V shape makes unloading easier.

Factors to consider when using a V blender machine:

  • The whole mixer capacity in the blender should be approximately 50% to 70% load volume.
  • To enable you take a short duration to achieve a mixture that is homogenous, capacity regulation is recommended by the manufacturers. These minimizes time hike.
  • Lower rate blending speed is recommended regulate speed to the rate of 50% to 80%, higher rates produce a lot of dust.
  • Inside the V blender there is no agitation. Rotation of the shell is caused by movement of powder until you obtain an optimum mixing.

4.  Where Can You Use V Blender Machine?

  • In food processing industries flavors and ingredients must be mixed properly to get good food.

Consistency of colour, appearance, texture and taste in what people consume daily is the key.

For processing of various food products e.g. juices, candy and syrups, V blender is what most companies prefer.

  • V blenders are used in preparation of granular blends and homogenous powder in pharmaceutical industries for generic drugs and medicines.

Quality compliance and testing are strict techniques adhered to in production in pharma industries where V blender is favorite.

  • High viscosity mixing is relied upon in chemical industries where V blender does precisely dry blending, homogenization, deagglomeration and reduce particles.

In abrasives manufacturing, formulation of mineral powder, epoxy hardeners, lubricant oils, fertilizers and explosives, technique of blending is crucial.

  • Power of emulsion is attributed from texture and pleasant consistency of cosmetic products like cream, lotion and make-up from cosmetic industries.

To get decreased particle size and emulsification, V blander is needed.

In products like skin care creams, powder foundation, gels, toothpaste and lipsticks manufacturing mixer is valuable.

In Pharmaceutical Industries The V Blender Is Used To Produce Homogenous Particles

In Pharmaceutical Industries The V Blender Is Used To Produce Homogenous Particles

5.  Why Use V Blender Machines?

Within brief cycles blending high precision is achieved easily in a V blender.

2% blending variation with components minimal trace is given by the mixer from intermittent cylindrical shells movement and the working principle.

Blending is achieved in a little time possible.

Precautionary measures are less due to more effortless charging and discharging of materials offered.

Both port and cylindrical ends are used for content introduction and discharge valve for material discharge.

Variety of products e.g granules and dry powder are processed in V blender.

It is worth blending fragile materials due to its low impact without their properties being compromised.

Reduction in particle size of material is minimal or zero because of the cylindrical shells of the V blender mixing vessel.

Hollow shapes movement of material with no breakdowns hence no particle size reduction.

Complete discharge of material is offered due to the 70° to 90° angle V shaped blender arms inclination.

Non free-flowing and sticky products are delivered since the positioning is enhanced.

Disassemble and leave open the discharge section for easy cleaning of the blender.

Cleaning is enhanced because the surface of inside and outside grit are polished thus no gluing of materials.

Blender is simply constructed and designed to avoid problems and mechanical damages.

Chances of product contamination externally are very minimal as compared to the internal where all operations take place.

At a superior rate loading and proper sealing is excellent due to inclination of mixing cylinders depending on operation.

Unlike like other blenders, it has a capacity of mixing up to ten elements and has a dust free operation.

6.  Are There Limitations Of V Blender Machines?

During installation and operation of V blender machine, a high and large specious room is required.

Blending materials with physical distinct properties which during dichrge may separate is not advisable in this machine.

Reliability of the machine in blending is never questionable except in size reduction problem and densities.

7.  How Do You Determine Maximum Capacity Of V Blender Machine?

V blender is calibrated 40% to 50% recommended with 70% max for certain materials.

Never put small ingredients at the bottom.

Fill it in symmetric layers.

8.  Which Materials Can You Process Using V Blender?

Dry bulk solids are mixed using V blenders.

In food processing premixing, coffee mixes, cereals, dairy powders, spices, soups, vitamin complements and in pharmaceuticals prior to granulation.

9.  Which Safety Measures Should You Consider When Handling/Using V Blender Machine?

For Safety Never Approach An Operating V Blender Machine

For Safety Never Approach An Operating V Blender Machine

Never approach too close when operation a blender.

To prevent entrance of people in a mixing area safety cage is implemented high enough around the mixer.

When mixer is rotating always lock the door and when door is open, never start the machine.

Proximity switches are necessary for detecting connections if flexible are used to load and discharge mixer.

This is to prevent startups when with flexible on.

10.  How Can You Select Good V Blender?

A Good V Blender Should Be Efficient ANd Easy To Use

A Good V Blender Should Be Efficient And easy In Use

  • Method Of Charging And Discharging Materials

Loading and unloading of materials in a V blender are of different techniques.

They use either automatic or manual loading system.

Automatic method is PLC programmed while manual is a valve that opens and closes.

  • Efficiency Of The Machine

It is easy to grade.

Homogenous mixture is achieved and lamps eliminated.

For lamps break down, one with intensifier bar is preferred.

Short cycles caused by high critical speed is the best.

  • Machine Design

For sanitation easily accessible mixture is the best.

Go for vacuum rated and a jacketed mixing vessel for dry application.

Vacuum drying demands less drying heat when compared to conventional atmospheric conditioning due to its heat sensitive products.

  • Type Of Material

Adjustments will come in depending on the material that you will use.

In terms of specialty both granules and standard powder are flexible.

For agglomerates forming products an intensifier bar introduction is needed.

A jacketed vessel is suitable for vacuum drying incase drying is necessary.

  • System Control

Basic control is used to start, stop and to jog the drive of the mixer.

For soft starting with full capacity of the mixing vessel, a variable frequency is included to optimize the machine.

When it comes to most operation programming, sophisticated PLC is suitable.

  • Quality Compliance Of The Machine

Check for measures and validate and making sure FDA tests are passed e.g valves and vessels for mixing.

  • Blender Capacity

Sizes of the mixers are different.

Before purchasing, volumes need to be evaluated.

Most mixers working capacity of the total mixer capacity is 50% to 70%.

  • Capability Of Mixing

V blender mixes slurry production, low viscous and dry powder.

Via the cylinder cover, solids and liquids are introduced.

If the minor element is liquid, intensifier bar spray nozzles spray it as the blender rotates across the solids.

  • Mixing Speed Of A V Blender

Depending on the machines the rotation speed varies from 5rpm to 45rpm and more.

Blending duration is determined by the speed.

Before placing a quotation with the manufacturer, discuss with them about the device critical speed.

  • Configuration Of A V blender

Your process will determine a perfect mixer that compliments it.

With one primary anchor a cantilevered design makes the shells hang out thus easy removing of mixing vessel.

Choosing whether manual or automatic cylinder fixing ease clamping.

V-lift Design Cantilevered

Protruding lift system joins the mixing vessel.

The lift attaches the coil firmly but it is free to rotate

Loading and unloading the product is easy.

V-Lift Design Cantilevered V Blender

V-lift design cantilevered

Laboratory Design V blender

It is designed specifically for the lab.

Components of this mixer are customizable to fit the environment.

The shapes of the shells are different e.g cone shape, V shape and bin shape.

Working volume of different batches e.g. 4, 8 or 16 quarts can be processed by various models.

Portable Design V blender

It is very flexible to change your working station location.

Different working volume of the quarts are available depending with the customer’s request.

Production V Blender Design

Capacities range of production blenders are available up to 4247 liters.

Customizable components fits their harsh working conditions.

To optimize your blending be in touch with your manufacturer always due to the distinct models of the mixers.

Before placing quotations, machine specifications are there for reference.

For application comparison always request user manual all critical information of the machine is listed.

11.  Which Material Is Best For V Blender Machine Construction?

SS 304, SS316 or SS316L are the best material for construction of the whole body of a V blender machine.

Customer’s requirement determines the individual material.

Internal and external surfaces are both polished with 240 grit and 150 grit respectively.

The rotating vessel is covered with safety rails to prevent injuries during operation and potential physical harm to the user.

Overall machine structure is supported by a support stand made of board.

The V shape design dual cylindrical vessels enhances materials intermixing.

Cleaning is easy and faster.

Products unloading is completely facilitated.

If agglomerates requires adequate sheers to break down and reduce lumps, the best option is an intensifier bar.

Introducing fluid into the mixing, an addition of pipesarean is prayed into the bar.

Intensifier bar is installed by the manufacturer at the axis of blander rotation.

An extensive support framework is required to hold massive base in position.

Inclination of the angle of about 60°-90° of the double cylindrical shells gives interior flowing products a free flow.

12.  How Should You Maintain V Blender?

  • Record must be used always before and after machine use.
  • Regularly lubricate all greasing parts of the machine.
  • Properly clean oil and grease residues before re-assembling the V blender.
  • Before, during and after use examine loose nut and bolts.
  • Cover machine with neat plastic sheet if not in use for a week or more.
  • Maintain oiling of drive chain to obtain good V blender performance.
  • Take special care to avoid accidents when moving the machine.

13.  Is V Blender Same As V Cone Mixer?

Cohesive and adhesive powder excipients ordered dry mixing are specially handled by intensive mixing system design called cone blender.

FX400-10000-Souage-Cone-Mixing-Machine

A Cone Blender or Mixer

V blender is a V shaped container with no packing glands to ensure total elimination of cross contamination around shafts entering chamber.

14.  How Does V Blender Compare To Ribbon Mixer?

Literally placed trough U shaped designed machine is a ribbon blender.

Has inner and outer agitator helical ribbons to move materials in a counter direction both axially and radially.

The U shape ribbon blender shows clear difference from V shaped constructed blender.

At about 300fpm high tip speeds ribbon rotates to mix the dry powder.

At processing abrasive solids, the efficiency of ribbon type is more than that of the V blender.

V blender processes components that are fragile and Powder products while ribbon does not process fragile.

To mix dry powder ribbon rotates at about 300fpm high tip speed, depending on the factor rates might vary.

To cope with abrasive customizing can be done in construction of ribbon blender by switching to unique abrasion-resistant material.

Considering compatibility of product that is involved.

Ribbon blander is economical friendly and versatile compared to V blender.

Ribbon mixer

U Shaped Ribbon Blenders

15.  Which Factors Determine Mixing Efficiency Of V Blender?

Type Of Material

10 to 15 minutes is the typical time for mixing.

Overfilling blender causes long mixing time leading to non-homogeneity.

Not free flowing, density difference or materials with large particles also leads to long mixing time.

Another high influence is how loading of the mixer is done.

Batch Size

Standard mixer total volume is 40% to 70%.

Leaving free space in a rotary is very important, space for solids to roll over.

Organize trials to optimize blender filling rate for some mixtures when filling at 70%.

Mixer overfill will require high increase mixing time.

Speed Of Mixing

Supplier’s recommendation should be followed, instructions differ depending with the size of the blender.

Rotation rate and mixing rate doesn’t influence each other much more so when mixing speed and critical speed are far apart.

Homogeneous blend is determined by the total number of rotations for free flowing powders.

16.  How Do You Control Mixing Speed Of V Blender?

Speed recommended is 10-25rpm for a medium size blender.

Homogenous blend is influenced by the total number of rotation of free-flowing powder.

17.  Why Is V Blender User Requirements Specification (URS) Important? And What Are The Key Sections Of URS?

Specific machinery experts’ dealers prepared a technical document called V –blender user requirement specification.

The document is made up of all the information about the V blender.

It defines the design, states inspection protocols, and regulatory conditions of quality standardization, testing and end-user issues.

During quotation making URS is very important, it helps compare and contrast your application requirements with information in the document.

Thus possible miscommunication are limited.

URS Sections Include:-

  • Approval – Specialist confirmation and certification is needed for authenticity.
  • Introduction – The design, purpose, scope, manufacturers’ details, validation, practicability and description are covered in introduction section.
  • Overview – Use, products, capacity and mechanisms of working are specified.
  • Specification of machine – Comprises operation, cleaning, physical parameters, material of construction, utility needs, spare parts, maintenance and safety measures.
  • Documents and plans – Involves qualification design, service manual, drawings, proposals, reports, several certificates and compliance.
  • Tests samples of materials
  • Responsibilities – Description of roles in detail for all relevant parties.
  • Acceptance tests for the factory.
  • Commissioning, validation, site acceptance test and owners personnel training.
  • Documents for quality standards.
  • Export packaging, delivery FOB, insurance and protection.

18.  How Do You Increase Efficiency Of V Blender Working Principle?

  • Avoid filling blender past the recommended volume 50 to 60% to avoid doubling blending time hence wear and tear.
  • Always ensure blending speed is low to avoid provision of more shear leading to more dust.

19.  Is V Blender Same As V Mixer?

A Vertical Mixer

A Vertical Mixer

An auger system screw is featured in vertical mixer which turns as it moves around the conical mixing vessel wall unlike in V blender.

The material is lifted upward while turning in a cone shape form but a vertical direction is assumed.

For a V blender the material fall back slowly when they reach batch’s top level opposite the now rotating screw areas.

Vertical blender’s blending action results into a minimal shear compared to the V blender thus less friction generated on wall surface.

Vertical mixer is the best when it comes to application of several abrasive.

Auger screw and valves are plated with hard chromium due to their contact with product and moving thus reduction in wear and tear.

Vertical blender is perfect in handling mixing of powder, granules and pellets.

A Vertical Blender

An Illustration Of A Vertical Blender

While bottom part auger screw is void of bearing, it is a fully supported at its top.

20.  How Does Bin Blender Vs V Blender Machine Compare?

Free fall type property makes bin blender unique.

Predetermined capacity or volume of a specific kind of a container is crucial to use with this mixer type.

The unique Intermediate bulk container serves the functions of blending, storage and feeding.

Customizing to any shape that suits a customer is very easy e.g. cone shape, V shape container, square etc.

For any batch with inadequate volume of the container bin blender is very flexible even for small batches.

A Bin Blender

21.  How Does V Blender Achieve Homogenous Blending?

The entire powders move in convective motion by rotating the V shaped vessel to get homogenous blending quickly.

V blender blends gentle without giving the powders forced stress.

In the blending vessel total quantity of loaded product can be discharged hence no dead space.

Cleaning and maintenance of the vessel in easy.

Batch operation in V blender is suitable and good for quality control keeping.

22.  Which Mixing Parameters Should You Consider In V Blender Machine?

Type Of Material

10 to 15 minutes is the typical time for mixing.

Overfilling blender causes long mixing time leading to non-homogeneity.

Not free flowing, density difference or materials with large particles also leads to long mixing time.

Another high influence is how loading of the mixer is done.

Mixing Batch Size

Standard mixer total volume is 40% to 70%.

Leaving free space in a rotary is very important, space for solids to roll over.

Organize trials to optimize blender filling rate for some mixtures when filling at 70%.

Mixer overfill will require high increase mixing time.

Speed Of Mixing

Supplier’s recommendation should be followed, instructions differ depending with the size of the blender.

23.  How Do You Calculate V Blender Capacity?

In the sense of the throughput the capacity of a V blender is in kg/h.

40-70% is the max filling rate of the blender water volume, time to load, mixing and discharge the blender.

Calculation of total cycle time (t) =L+M+D

The throughput (m) =V*r*ρ*60/t

With:
t = total cycle time in min

L = loading time in min

M = Mixing time in min

D = Discharge time in min

m = throughput in kg/h

V = volume of water in m3

r = ratio of filling (0.4 to 0.7)

ρ = bulk density mix in kg/m3

Loading And Discharge

Disconnect the mixer from the rest of the process during mixing while the entire shell rotates.

To load and discharge the mixer manual operation is involved.

Located the blender to tipping station and discharge hopper to avoid dust emissions thanks to flexible.

Discharge Valves

Manually operated butterfly valve is the V blender discharge valve.

Instrumentation

Mixer is not equipped by many instruments while rotating.

Mixing time and rotation speed control are limited.

24.  Which Are The Common V Blender Designs?

Asymmetrical design

Consider 2 possible cylindrical shells which differ in length hence asymmetrical blender.

Mixing from one shell to another by asymmetric design decreases mixing time thus reduce segregation.

Baffles positioned in the mixer help in asymmetric achievement taking note of drawbacks.

An Asymetric V Blender

An Asymmetric V Blender

Intensifier Bar

An agitator installed along the axis of the mixer and rotating at high speed is proposal of some manufacturers.

Mixing performance can be improved by intensifier bar bringing shear mixing with cohesive powders or mix having the tendency to agglomerate.

Mixer operator must take into consideration that product breakage will be created with such intensifier.

More Resources:

V Blending Machine

Ribbon Blender And Mixer

Double Cone Blender

Bench Top Blender

Post Bin Blender

For all your V blender machines, contact SaintyCo now.

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