SUMMER INTRENSHIP –I (4330001) 2024
GUJARAT TECHNOLOGICALUNIVERSITY
SHREE MAHUVA PRADESH SHAKARI KHAND
UDYOG MANDALI LIMITED
SUBMITTED BY: -
PATEL SMITKUMAR NAVINBHAI
236560319071
GUIDED BY-
PROOF: VATSAL MAISURIYA
BHULABHAIVANMALIBHAIPATELINSTITUTETECHNOLOGY [D.S]
UMRAKH
2024-DepartmentOfMechanicalEngineering
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SUMMER INTRENSHIP –I (4330001) 2024
CERTIFICATE
This is to certify that work embodied in MECHANICAL entitled “INDUSTRIAL TRAINING
REPORT wascarriedoutby Mr.PATEL SMITKUMAR NAVINBHAI(enrolmentno236560319071)
studying at BHULABHAI VANMALIBHAI PATEL INSTITUTE OF TECHNOLOGY(656) this work has
beencarried outunder myguidance ands upervision andit isup to my satisfaction.
DATE:
PLACE:
Signatureandnameofcoordinator signatureandnameofHOD/principal
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SUMMER INTRENSHIP –I (4330001) 2024
ACKNOWLEDGEMENT
The industrial opportunity I had with SHREE MAHUVA PRADESH SAHAKARI KHAND
UDYOG MANDALI LIMITED was a great privilege and honor for learning and professional
development. Therefore, I would like to offer my deep gratitude and thanks.
I convey my heartiest thanks to all sir/mam for their most valuable suggestions, constant
encouragement, and affectionate guidance during the period of this training.
Iowe,Iamgreatlythankfulto SHREE MAHUVA PRADESH SAHAKARI KHAND
UDYOG MANDALI LIMITED for extendingtheir constant which went a long way towards the
completion of this training and report’s
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SUMMER INTRENSHIP –I (4330001) 2024
Industry Certificate
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SUMMER INTRENSHIP –I (4330001) 2024
SUBMITTED BY: - .............................................................................. Error! Bookmark not defined.
PATEL SMITKUMAR NAVINBHAI ....................................................... Error! Bookmark not defined.
GUIDED BY-Mr.VATSAL MAISURIYA .................................................. Error! Bookmark not defined.
CERTIFICATE ...................................................................................................................................... 3
VISION AND MISSION............................................................................................................................5
CHAPTER 1..............................................................................................................................................6
INTRODUCTION......................................................................................................................................6
1.1 COM PANY DETAIL....................................................................................................................6
1.2 Core Values.................................................................................................................................6
1.3 Harvesting..................................................................................................................................7
1.4 Purification of Juice....................................................................................................................7
1.5 Crystallization.............................................................................................................................8
1.6 Juice Extraction...........................................................................................................................8
CHAPTER 2..............................................................................................................................................9
1.1 PRODUCT& PROCESS LAYOUT.....................................................................................................9
CHAPTER 3 ...........................................................................................................................................10
DETAIL SUMMARY...............................................................................................................................11
3.1 raw sugarcane collection.............................................................................................................11
3.2 Sugar cane juice attraction...........................................................................................................11
3.3 Sugar cane juice is further sterilized............................................................................................12
3.4 Sugar crystal made from juice......................................................................................................12
3.5 sugar collected.............................................................................................................................13
3.6 Sugar packed in bags by means of conveyor................................................................................13
3.7 Final dispatch...............................................................................................................................14
CONCLUSION ................................................................................................................................15
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SUMMER INTRENSHIP –I (4330001) 2024
Table
Fig no. 1.1: Significance of sugar industry.................................................................................8
Fig no.3.1: Raw sugarcane collection.......................................................................................12
Fig no.3.1:Sugar cane juice attraction.....................................................................................12
Fig no.3.3: Sugar cane juice is further sterilized........................................................................13
Fig 3.4: Sugar crystal made from juice.....................................................................................1
Fig3.5: Final dispatch..............................................................................................................15
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SUMMER INTRENSHIP –I (4330001) 2024
VISION AND MISSION
Mission:
The mission mode project under sugar production technologies aims towardssharper and
focused technological up gradation in selected sugar factories to accomplish,interlaid the cost
effectiveness of sugar production through improvement in plant efficiency, energy saving, etc. In
addition to the above, the focus is also on improving the capital outputratio through
optimization and identification of user friendly technologies.
Vision:
To be one of the top five sugar producers in India to be one of the top auto component
manufacturers in India to be leading producers of alcohol and allied energy producers.To have
the best possible alternative power producers in the country.To maximize the trade in raw sugar
so as to maximize the earning of the company.
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SUMMER INTRENSHIP –I (4330001) 2024
INTRODUCTION
CHAPTER :-1
1.1 COMPANY DETAIL
Core Values
The following list of core values reflects what is truly important to us as an organization. These
are all the underpinning of our company culture.
Manufacturing Products By Following Highest Quality Standards
Selling The Best Products Available
Providing Growth And Prosperity For Our Employees
Following Good Business Ethics With Associates
Winning Customers’ Trust
Creating Wealth Through Profits & Growth
Caring About Our Communities, Environment & Farmer’s Upliftment
Leading The Industry For Good Cause
Abiding The Law of the Land
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SUMMER INTRENSHIP –I (4330001) 2024
Fig:1.1:Significance of sugar industry
Harvesting: Sugar cane and sugar beets are typically harvested from fields mechanically. The
harvested plant materials are frequently sieved to remove dirt and rocks before being loaded
onto trucks and taken to the factory for processing. Washing and Initial Preparation. As soon as
the sugar cane or sugar beets arrive at the factory, they are washed extensively. Washing can
occur on belts that are sprayed with water or in flues that are full of water. Rotating drums are
often used as washing stations. Water is sprayed into the drum and product rotates within the
drum, rubbing against itself to remove dirt. After washing, the sugar cane or sugar beets are
conveyed into the factory using screws or belts. The sugar cane is crushed using swing-hammer
shredders or heavily grooved crusher rollers. Sugar beets are cut using slicing machines, which
tear them into strips smaller than French fries, called cossettes. The cossettes are soaked in hot
water tanks, while the crushed sugar cane is sprayed with hot water. Both processes serve to
swell the plant cells in preparation for extraction.
Purification of Juice:Tall towers, 10 to 20 meters high, are used to purify and lighten the color of
the cane juice. The juice is introduced at the top of the tower and sulfur dioxide vapor is
introduced at the bottom. The sulfur dioxide rises up through the tower in a process called
sulfitation. Gas is added at 120 to 200 pounds per million pounds of juice. Carbonation or
alkalization is used to further separate the soluble non-sugar materials from the sugar juice.
Carbonation employs calcium carbonate or calcium sulfite to aid in precipitation. The juice is
heated to denature the protein content and is then mixed with a slurry of calcium hydroxide,
called milk of lime. Carbon dioxide gas bubbles can also be introduced in this step to lower the
alkalinity and precipitate the carbonation sludge, which is filtered to purify the juice.
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SUMMER INTRENSHIP –I (4330001) 2024
The clarification process typically takes several hours. At the end, the sludge is removed from
the bottom of the tank and the juice is removed from the top. Secondary filtration is used to
extract any remaining sugar from the sludge. This produces a material called mud, which can be
used later to fertilize fields. The clarified juice is then boiled in a series of vacuum evaporators
until it reaches a concentration of 50%–65% sugar. Each subsequent evaporator in the series has
a higher vacuum pressure than the previous evaporator, resulting in the sugar syrup boiling at
progressively lower temperatures as it moves through the process. Sediment is skimmed off the
top of the evaporators using paddle skimmers, producing a thick, nearly colourless sugar syrup.
Crystallization:- During the next step in the manufacturing process, a single-stage vacuum pan is
used to evaporate the syrup until it is saturated with sugar crystals, which are formed through a
process called seeding. A milky solution of pure sucrose suspended in alcohol and glycerin is the
seed that is slowly added to the syrup. The small grains of sugar present in the solution serve as
nuclei, helping to draw out the sugar in solution and convert it into crystals. As the mixture is
boiled in a vacuum pan, water evaporates and sugar crystals continue to grow into a paste called
massecuite, a dense mixture of syrup and sugar crystals. This mixture is then transferred into a
large container called a crystallizer, where the massecuite is slowly stirred and cooled,
continuing the crystallization process.
Juice Extraction.:- The sugar cossettes are pumped into the bottom of 10- to 20-meter-tall
tanks. A rotating shaft in the center transports the sugar beet strips upwards against the
downward flow of water as the sugar is extracted. For sugar cane, milling is used to extract the
juice. A series of five mills compresses the sugar cane fibers and separates the juice from the
bagasse, which can be used later as a fuel source. The initial juice is dark green in colour and is
acidic and turbid. The juice is collected in large vats and the sugar concentration is
measured.Drying and Packaging. The damp sugar crystals are dried in large, hot air dryers,
reaching a moisture content of as low as 0.02%. Next, the sugar is gently tumbled through heated
air in a granulator. The dried crystals are then separated into different sizes through vibrating
screens and placed into storage bins. Finally, the sugar is packaged for the consumer.
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SUMMER INTRENSHIP –I (4330001) 2024
CHAPTER 2
PROCESS LAYOUT
Sugar cane
Milling Boiler
Pre -treatment
Filtration
Fermentation
Distillation
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SUMMER INTRENSHIP –I (4330001) 2024
Rectification
Dehydration
Anhydrous
Ethanol
Overall, the production of sugar involves seven stage processes, that begin with
growing the sugar cane in farms. And culminates in drying nates in drying and
cooling the syrup from to sugar. Furthermore, the sugarcane that grows in 18
months is harvested and send to machinery. After that, the sugar cane stalks are
crushed in grinder, resulting in to formstion of sugar cane juice. Lastly the juice is
purified by going to a lime stone filter. Subsequently, the juice is heated in an
evaporate and by veporasion of water it became s a syrup. The syrup is than poured
into a centrifuges were it separate sugar crystal from syrup which is packed in a bag.
Apart from this, several maintenance works is being done there by many aspirants of
internship who acquired the knowledge of mechanical parts reparation process.
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SUMMER INTRENSHIP –I (4330001) 2024
CHAPTER 3
DETAILS
3.1 raw sugarcane collection
Sugarcane is harvested by mechanical harvester which move along the row of cane removing the
leafy tops of the cane and cutting the stalk into short pieces or billets .billets are loaded into bins
which are towed alongside the harvester.
Fig no.3.1: raw sugarcane collection
3.2 Sugar cane juice attraction
Sugarcane juice has excellent diuretic properties that help eliminate toxins and infection from
your body. Drinking sugarcane juice will halp to prevent urinary tract infections and kidney
stones.
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SUMMER INTRENSHIP –I (4330001) 2024
Fig 3.1:Sugar cane juice attraction
3.3 Sugar cane juice is further sterilized
Enhanced the shelf life of sugarcane juice by 60 days through a pasteurization process at 75 for
10 min,after addition of 3ml lemon and 1g salt,0.6 ml ginger par 100 ml of sugarcane juice, and
the addition of KMS at 225 ppm.
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SUMMER INTRENSHIP –I (4330001) 2024
Fig3.3:Sugar cane juice is further sterilized
3.4 Sugar crystal made from juice
Crystallization takes place in a vacuum boiling pan. Think juice or syruo is fes to the vacuum pans
and evaporated unit saturated .seed crystals are added during a strike to grow sugar crystals.
Fig 3.4:Sugar crystal made from juice
3.5 sugar collected
Sugar is made in the leaves of the sugarcane plant through photosynthesis and stores as a sweet
juice in sugarcane stalks. Sugarcane is cut down and harvested then sent to a factory.
3.6 Sugar packed in bags by means of conveyor
A sugar mill conveyor is used in producing sugar from beet and sugarcane, and it is mainly used
to handle raw materials and sugar. the sugar mill conveyor can be belt conveyor and screw
conveyor.
3.7 Final dispatch
India has notified the export of 5841 tonnes of sugar to the European union (EU) under the
tariff-rate quota (TRQ) scheme for the period of October 2023 to September 2024.
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SUMMER INTRENSHIP –I (4330001) 2024
Fig3.7: Final Dispatch
Objectives of internship (What we learn)
Help the student develop written communication skill. Serve as an archival record of the
internship experience. Give the student an opportunity to reflect on the professional aspects of
the internship experience and the skills that were learned.
Providing seed cane to farmers by establishing nurseries of high yielding improved cane varieties
in sugar mill areas.ensuring availability of pesticides and providing information to farmers to
control diseases and pests of sugarcane crop.
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SUMMER INTRENSHIP –I (4330001) 2024
SUMMARY
In cessation, as per the aforementioned description it can be observed that the remarkable
growth of the Indian sugar industry from the early 90 s till date and its transformation into a
major sugar producing nation with a strong global presence. The Indian sugar industry in
particular, is far ahead in this journey and has the potential to lend a helping hand to the sugar
producing countries of the region so that the sugar industry in the Asia and South East Asian
Region can be trailblazers in their march towards a self-reliant, sustainable, bio-based economy.
In this industry, one can learn several basic concepts of product manufacturing process.
Hence,sugar industry, this journey towards self-reliance and sustainability is a continuous one,
along with it the various stakeholders, investors, employees and other clientele, for the welfare
and economic prosperity of the overall community.
STANKO7M4 SLOTTING MACHINE :-
Diameter of the table :- 630mm
Maximum table load :- 2400 kg
Maximum angle of the slider :- 10
st
Maximum longitudinal travel of X-
axis
( power feed ) :- 650 mm
Maximum transversal travel of Y
axis
( power feed) :- 500mm
Maximum vertical travel of Z axis
(power feed) :- 320mm
Total power demand :- 7kw
Machine height :- 2890 mm
Machine length :- 2650 mm
Machine width :- 1810 mm
Machine weight :- 5200 mm
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SUMMER INTRENSHIP –I (4330001) 2024
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SUMMER INTRENSHIP –I (4330001) 2024
Steam boilers are a vital part of sugar mill processing, generating
steam for various stages of sugar production. These stages include
juice extraction, evaporation, clarification, crystallization, and sugar
drying. The boilers can use a variety of fuels, such as bagasse, coal,
biomass, fuel oil, and gas, and can vary in capacity and pressure to
suit different sugar mills.
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