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Liquid Tea Filtration

360° discharge separator & horizontal vibrating sieve for instant tea process

Overview

360° discharge separator & horizontal vibrating sieve for instant tea process

Globally known Food & beverage as well as FMCG Company who were also into manufacturing of instant teas, liquid ice teas & premix tea powder were looking for efficient screening & filtration solution.

Among the varieties of tea they manufactured, few teas hold on very strong market globally. Ice tea peach, ice tea lemon, ice tea mango, ice tea raspberry, ice tea green mint lime were among their most sold out products along with green tea sachets.

Requirement & Challenges

To summarize mechanical making process of instant teas in simple words, fresh or processed tea leaves are well mixed in hot water to extract solids from tea, extracted liquor is then clarified, filtered, concentrated & dried to powder.

During the manufacturing process of instant teas & liquid ice teas, requirement for filtration, screening & separation arises at various stages.

Client wanted filtration equipment after extraction process & screening machine after spray drying & before packaging.

They were looking out for effective filtration that could help them to remove solid substances from extracted liquor obtained during aqueous extraction.

One more requirement was of screening tea powder after spray drying & before packaging to make sure tea powder is free from any foreign contaminations & also no oversized particles go into packaging.

After the continuous extraction process, the extracted liquor is passed through decanter machine to remove insoluble solid leftovers like tea leaves from liquor. The company was looking for pre-filtration before clarification of extracted liquor so the burden on decanter machine could be lower down.

Currently with competitor made conventional round sifter, issues they were facing while pre-filtration was of low flow rate & output because of tea solids like squeezed leaves, etc. blocking &chocking the mesh while filtration process. Due to blockage of mesh screen, efficient & optimum filtration was not achieved.

Another requirement they quoted while briefing was of a robust screening machine that could help them after spray drying & before packaging in order to remove oversized particles, lumps or any foreign particles from final instant tea powder. Currently competitor made round vibro separator was installed for check screening the instant tea powder before packaging. The technical head of the unit stated that with round vibro separator, the primary problems were space it used to occupied and frequent maintenance that lead to more down times.

TEA
SORTING
WITH
360
DISCHARGE
SEPARATOR

Solution

After understanding the problems, expert from Galaxy Sivtek requested for sample. On request, samples of liquid (extracted liquor) & instant tea powder were received & a detailed research & analysis were done with few of the filtration & screening machines at Galaxy Sivtek’s research & development lab.

While doing research & analysis it was found that Sivtek 360° Discharge Separator® would b the best solution for filtration of extracted liquor and for screening instant tea powder linear motion screening machine i.e. Linea Sivtek would be beneficial.

– Why Sivtek 360° Discharge Separator® for filtering & clarifying extracted juice?

The prime reason for replacing & installing 360° Discharge Separator with conventional vibro separator is it’s built up.

360° Discharge Separator comes with 360° periphery around the screen. When extracted liquor would pass from separator, all the solid waste would be thrown aside in periphery & liquid will pass through screen with ease.

This process minimizes the blockage of mesh screen while filtration & in return helps in achieving required flow rate & output along with other benefits like less wear & tear of mesh, longer life span of mesh & less to minimal maintenance.

– Why Linea Sivtek® for safety screening instant tea powder before packaging?

The first & and the foremost reason for replacing our highest quality food grade horizontal vibrating sieve i.e. Linea Sivtek® with competitor made round vibro separator was of space. Our Linea Sivtek occupies 6 times lesser space than any round vibro sifter in market.

Secondly, while screening on horizontal sieves; the efficiency & accuracy obtained is way higher than any other round vibration screeners.

Wear & tear is less due to horizontal vibration pattern & hence the life span of machine & its accessories are higher than round sieves.

Results

After a successful trial for their both requirements, a brief summary & analysis report was sent to technical head of the unit. They agreed to proposed solution, Sivtek 360° Discharge separator & Linea Sivtek® were installed in their instant tea production plannnt.

As a part of client feedback & review system, our after sales representative approached the technical head of the unit to seek for their genuine feedback. We were delighted to receive positive feedback as client stated that our machines have helped them to yield quality product & lower the down time.

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