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MCR Counter-Rotating Blenders

MCR Counter-Rotating Blenders

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MCR Counter-Rotating Blenders

Counter-rotating blenders are used for mixing and homogenizing dispersed products at a controlled temperature with an optimum performance, regardless of the product viscosity.
These units are intended primarily for pharmaceutical, cosmetics, food and personal care products industries.
They are ideal for processes which require heating, vacuum, premixing, additions, vigorous agitation, emulsion or dispersion, as well as pressure and temperature. The skid can work at -1 to 0.5 bar and the double jacket - up to 3 bar. The operating temperature is between -7 a 120 ºC.
It is possible to control the following parameters: temperature, pressure, pH, weight and viscosity.
The unit is provided with a cleaning system with rotating spray balls in order to be connected to a CIP and SIP cleaning system.
Some examples of products that can be treated with these units are all kinds of creams, gels, sunscreens, depilatories, makeup, deodorants, sauces, pates, pastes, shoe creams, emulsions, paraffin mixtures, wax mixtures, carbopol dispersions, tooth pastes, products intended for drugstores and parapharmacies.

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MCR Counter-Rotating Blenders

Operating principle

The unit has a sealed tank where mixing takes place by means of an anchor type agitator, a central shaft with counter-rotating blades that move in the opposite direction to the anchor, and an emulsifying disperser located at the bottom of the shaft.
The unit normally operates under vacuum during the entire duration of the mixing process. When the agitation starts, the anchor and the central blades rotate slowly while the bottom mixer is put into operation.
Subsequently, the product to be dispersed or emulsified is added and the speed of the blades on the central shaft is increased.
When the mixing is complete, the agitator speed decreases and the bottom mixer is stopped; at the same time the chamber begins to cool down. When the product reaches the desired temperature, any required additives are added to the mixture, typically when cold; depending on the process, the speed of the agitators may be increased slightly. It is possible to recirculate the product and, if necessary, an emulsifier can be added to the process.
The product discharge system can be by gravity or with a pump and, if necessary, using positive pressure.
Finally, the tank is cleaned by the CIP system.

Design and features

These units are available in 3 arrangements: on support base, on support feet and a metal structure, or on concrete floor, with or without automatic lid lifting. The units with support bases are designed to accept all auxiliary equipment necessary for the unit to operate autonomously.
These units are built to FDA standards.
For good temperature control, the system includes a PT100 or 4-20 mA temperature probe located on one end of the central shaft of the agitator in order to obtain product temperature data. Its reliability is excellent because of its distance from the boiler walls in contact with the hot and cold chamber. It has a second probe located in the heating and cooling chamber to control the latter.

Materials

Parts in contact with the product AISI 316 (EN 14404)
Other stainless steel parts AISI 304 (EN 14301)
Interior surface finish bright polish, Ra ≤ 0.8 μm
Exterior surface finish bright polish, Ra ≤ 0.8 μm

Options

Weighing system.
Cleaning system.
Support system and lid lifting system.

Documents

Operating principle

The unit has a sealed tank where mixing takes place by means of an anchor type agitator, a central shaft with counter-rotating blades that move in the opposite direction to the anchor, and an emulsifying disperser located at the bottom of the shaft.
The unit normally operates under vacuum during the entire duration of the mixing process. When the agitation starts, the anchor and the central blades rotate slowly while the bottom mixer is put into operation.
Subsequently, the product to be dispersed or emulsified is added and the speed of the blades on the central shaft is increased.
When the mixing is complete, the agitator speed decreases and the bottom mixer is stopped; at the same time the chamber begins to cool down. When the product reaches the desired temperature, any required additives are added to the mixture, typically when cold; depending on the process, the speed of the agitators may be increased slightly. It is possible to recirculate the product and, if necessary, an emulsifier can be added to the process.
The product discharge system can be by gravity or with a pump and, if necessary, using positive pressure.
Finally, the tank is cleaned by the CIP system.

Materials and Options

Parts in contact with the product AISI 316 (EN 14404)
Other stainless steel parts AISI 304 (EN 14301)
Interior surface finish bright polish, Ra ≤ 0.8 μm
Exterior surface finish bright polish, Ra ≤ 0.8 μm

Weighing system.
Cleaning system.
Support system and lid lifting system.

Document № FTsolMCR.1_FR
Title Mélangeur à Contre Rotatif MCR
File type .pdf
Summary Les mélangeurs à contre rotatif sont utilisés pour le mélange des produits à des fins de dispersion et d'homogénéisation à température contrôlée. Ils offrent un rendement optimal quelle que soit la viscosité du produit.
    Download
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Document № FTsolMCR.1_ES
Title Mezclador a Contra Rotación MCR
File type .pdf
Summary Los mezcladores a contra rotación se utilizan para la mezcla de productos en dispersión y homogeneización a temperatura controlada, obteniendo un óptimo rendimiento, independientemente de la viscosidad del producto.
    Download
  • E-mail
Document № FTsolMCR.1_EN
Title Counter-Rotating Blenders MCR
File type .pdf
Summary Counter-rotating blenders are used for mixing and homogenizing dispersed products at a controlled temperature with an optimum performance, regardless of the product viscosity.
    Download
  • E-mail
Document № FTsolMCR.1_IT
Title Miscelatori con Controrotazione MCR
File type .pdf
Summary I miscelatori con controrotazione si utilizzano per la miscelazione dei prodotti in dispersione ed omogenizzazione a teperatura controllata, ottenendo un elevato rendimento, indipendentemente dalla viscosità del prodotto
    Download
  • E-mail
Document № MCR - Cuestionario
Title MCR - Cuestionario
File type .docx
Summary Recogida de datos para mezclador a contra rotación
    Download
  • E-mail
Document № MCR - Questionnaire
Title MCR - Questionnaire
File type .docx
Summary Information required for selection of a blender with counter-rotating agitator
    Download
  • E-mail

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