Cow Dung Dewatering Machine|Slurry Dewatering Machine|Industrial Dewatering Screw Press, Gujarat, India

Aloe Vera is a succulent, with long narrow leaves similar to Century Plant and agave. The leaves have a dark green outer skin, and a clear gel inside the leaf, like a cactus. It is best known for the pain-killing properties of the juice when it is applied to a burn; we have a plant growing at the factory, and welders cut off a slice and rub it on burns. Commercially it is used in the manufacture of cosmetics, beverages, and nutraceuticals.
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The shredded alfalfa will have a moisture content of 80% to 85%. This is reduced to 65% to 72% in the press cake.
The principal product made from pressing alfalfa is a chicken feed additive. The additive is very high in protein content, and, like marigold extract, it results in yellow egg yolks in layers and yellow skins in broilers.
To make this additive, alfalfa press liquor is run across screens to take out fiber and suspended solids.
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Producers of soluble coffee generate waste that is an excellent boiler fuel.The traditional technology has been to press this waste, spent coffee grounds, as tight as possible and then burn it. This material, at 55% moisture, was burned in stoker grate furnaces.
This press will reduce the moisture content of the spent coffee from 90% to 50 to 55% moisture or less. The dried coffee waste can be allowed to dry naturally under the sun or let the residual liquid trickle of naturally or can be then taken to the a rotary dryer to remove the excess liquid before being used in further processing.
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Corn wet milling is an extremely large,where corn is processed into vital products, of which the four principal ones are corn oil, starch, fructose, and animal feed.
The process used is to first steep the harvested corn kernels in a caustic solution. This allows the corn to be cracked so that the germ can be separated. The germ is the part of the kernel which contains corn oil. Most facilities ship their germ to yet other facilities which specialize in recovering the oil.
After separating the germ, the next step is to separate the starch. Corn starch is converted, in yet another process, into fructose. Fructose is a substitute for sucrose (which is produced from sugar cane and sugar beets).
Screw presses have two important applications in the corn wet milling industry. One of these is in dewatering the residual fiber after the starch has been removed. This fiber is dried to low moisture content and then pelleted for sale as animal feed. To minimize the fuel required by the dryer, screw presses are used, ahead of the dryer, to remove as much water as possible. The industry standard for the output moisture content of the press cake should be in the range of 55% to 58%.
The second screw press application in corn wet milling is removing water from the corn germ. In order to liquefy the fat in the germ, it is run through an oil Expeller to recover the oil. However, before the germ can be pressed in an Oil Expeller, it must be dewatered.That is where the dewaterig screw presses are very efficient. Although the press cake moisture content comes out lower, 50% to 55%, the pressing action must be gentle in order not to squeeze out the oil.
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Dewatering screw press wide range of applicaitons Cranberries.
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Dewatering screw press wide range of applicaitons Grapes.
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Cow Dung Slurry like Raw Cow Dung is a major source of problem for the Dairy Farms, Gaushaala's across the world due to the foul smell and the strict enviornmental laws for the disposal for the same.
This happens in farms where the cow dung is collected along with wash water applied through pressurized water nozzles along the farm. The slurry is collected in slurry pits through small water ways created specially for the transport of the slurry to the pit.
The material is fed from these pits into the dewatering screw press through simple and effective slurry pumps as per the capacity of the machine.
Cow Dung Slurry has a much higher content of liquid as compared to the Raw Cow Dung , it has around more than 80-90% of free water and around 10% of solid content which also contains a certain amount of absorbed moisture.
In the dewatering process for the same , the dewatering screw press shall remove all the free excess water which more than 80-90% and also remove a certain amount of absored moisture of the material.
The dewatering screw press here has to focus more on the drainage of the free excess water than the dewatering of the material as the amount of free excess water is substaincially higher.
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Dewatering screw press wide range of applicaitons Guava Pulp.
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Dewatering screw press wide range of applicaitons Vegetable Waste .
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Dewatering Screw Press for Mango Peel and Stone is a pretty new applicaton in general. It is used at the end of the process where all the pulp has been removed during the process and the pulp and the stone are left. There is still a pretty good amount of residual mango pulp specially on the mango peel , which if recovered can be re-used again.
From the data the mango peel and the stone both come at different moisture levels but after dewatering and removal of excess pulp , the output moisture can be brought to as low as 52% combined.
Here the amount of back pressure required for the same is pretty high as the bonding between the pulp and the peel is pretty high.
The residual peel and the stone can used as an alternate source of fuel in the plant or can be pelleted and sold commercially.
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Dewatering screw press wide range of applicaitons Tea Spent.
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Dewatering screw press wide range of applicaitons Poultry Waste.
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It is one of the major source of waste generated in dairy farms,gaushaala's and animal husbandary farms.
The raw cow dung has around 85-95% of moisture content naturally by weight.
This is a major issue for farms with a larger cattle capacity as the space required to create a heap of the daily cow dung requires a lot of floor space and it also emits foul odour.
The drying rate of the such a heap is also around 21-25 days naturally under extremly dry and hot conditions , and around 40-50 days in moist and cold enviornment.
Using the dewatering screw press machine , the process time is reduced to 1-4 days depending on the climatic conditions at the local set up.
The dried cow dung has a moisture content of around 28-35% depending on a set of variables.

The dried cow dung can used for the following purpose:
1.) Log Making :
using the log making machine to create logs which can be used in place of wood and other sources in processes like cremation , industrial boilers which are run on wood.
2.) Fertilizer :
The dried material reduces the process time for the generation of the high quality , high nutrient fertilizer as it reduces the need for heating and thus retains the natural nutrients.
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Processors who work with seaweed work with red, brown, green, and black varieties. The products manufactured from seaweed are food additives (carrageenan), alginate (a gum), pharmaceuticals, and agricultural fertilizer.
Seaweed, a range multicellular alga, has moisture contents of 79% to 82% when harvested fresh. Processing generally requires that the seaweed first be dried to 18% moisture content. Mechanical removal of the moisture (as with a screw press) has the obvious thermal advantage over using a rotary drum dryer.
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The material to be pressed includes shrimp heads; the shells from the shrimp tail; and both hard-shell and soft-shell crab waste.
The amount of dewatering that can be achieved is limited: the press will knock out the loose water, but most of the water does not separate mechanically because it is bound chemically in the organic material. Only heat will break it loose.
The dry shrimp waste is used as an animal feed. It was used as cattle or poultry feed additive.
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One very old application for a screw press is dewatering spent brewer’s grain.
Beer, of course, can be made from a wide range of grains. Most commonly wheat, barley, corn and rice are used. After the fermentation process, wet fiber, called spent brewer’s grain, is a waste residue. It is used as animal feed.
As spent grain comes from the brewery it is high in moisture content, generally 78% to 86%. Sometimes the spent grain is pumped to a filter screen, like a sidehill, to drain off some of the free water.
At that point the grain can be hauled to a farm, for use as animal feed. Small breweries frequently make arrangements for a farmer to pick up their spent grain. There is little value in the product, and it may be given away for free.
Larger breweries used to dry their spent grain down to 10% moisture and sell it, usually in pellet form spent brewer’s grains which can be pressed to as low at 55% moisture.
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A layer of soft pulp surrounds coffee beans when they are harvested. This pulp is removed with abrasive rollers and a flow of water. The bean that remains is dried and, later, roasted.
The spent coffee has around 92-95% moisture at the feed end of the dewatering screw press machine. The spent coffee is the left over black residual after the the processing of the coffee in the plant.
This material is as of now dumped in the landfills in most of the plants , but these can be dried to an extent of around 48-55% moisture content using the dewatering screw press with high pressure ratio to remove the excess water in the material and can be used as an alternate fuel in the boiler.
This reduces the need for the disposal of the material into open landfills and also the transportation cost of the same and the need for fuel also reduces as a result , which also saves the cost of fuel.
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Spent grain is the name given to material left after the grain is fermented and the alcoholic solution is drawn off. It is used as a cattle feed because of its protein content. The value to the farmer is not great, so smaller breweries are pleased to give the material away for free if the farmer will truck it.
Spent grain is normally wet, with 80% to 85% moisture content. In this state it is heavy to haul, and it is likely to drip while being transported. Furthermore, it will go sour in a few days.
The practice is to run spent grain through a press. Typically a screw press will reduce the moisture content into the range of 61% to 70%. At this point the weight will have been reduced by a third to a half, and the “shelf life” will have been extended.
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Sugar beet chips are small pieces of sugar beets. These pieces are knocked of the fresh beets as they are shipped to, delivered, washed and culled at factories that produce sugar from sugar beets.
The beet chips will be run through a miniature diffuser where some of the sugar content will be extracted. The beet pulp that is removed from this process will be pressed in the Dewatering Screw Press. The press liquor, with its sugar content, will be returned to the diffuser. The press cake will be sold to a feed milling operation where it will be blended with other feedstuffs.
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Dewatering screw press wide range of applicaitons Sugar Cane.
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Amaranthus or Spinach as it is referred to in laymen terms , is a huge agriculutral produce in India and also in South East Asia.
Spinach has a lot of uses in medical as well as household usage. The spinach can be dewatered using the machine and the juice/yield obtained from the same can be used to develop herbal medicines in pharmaceutical companies , packaged and sold in the retail market also.
The yeild obtained from the same is high in ratio to its weight. An approximate of 30-35% of yeild is obtained from the natural raw spinach without addition of any extra water into the process.
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The farming of tabacoo is highly prominent in the western part and southern part of India. Andhra Pradesh and Karnataka are the two largest producers of tobacco which is then used in multiple different formats as per the demand of the products.India being the 2nd largest producer and the exporter of Tobacco in the world , there is always a demand for the dewatering of the tobacco as per the requirement and the processes of different manufacturers.
We have in general dealt the most with waste tobacco ,this tobacco is obtained at the end of the production cycle of the tobacco and is not fit for human consumption. This tobacco has an extremely high amount of free water and also a lot of absorbed moisture which it has picked up during the process part. The challenge here is the removal of the excess free water which is sometimes as high as 3.5 times the actual weight of the tobacco and also the removal of the abosorbed moisture.
The taper conical screw press is preffered here as this is suitable to remove the excess water as well as the absorbed moisture.
The results seen in the process here were pretty satisfactory on the trial machine , which is not customed designed to the specific application , and the moisture in the outlet was observed to be in the range of 55%-60% at the end of the dewatering process.
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Wheatgrass is the freshly sprouted first leaves of the common wheat plant, used as a food, drink, or dietary supplement. Wheatgrass is served freeze dried or fresh, and so it differs from wheat malt, which is convectively dried. Wheatgrass is allowed to grow longer and taller than wheat malt.
Wheatgrass is a source of potassium, dietary fiber, vitamin A, vitamin C, vitamin E (alpha tocopherol), vitamin K, thiamin, riboflavin, niacin, vitamin B6, pantothenic acid, iron, zinc, copper, manganese, and selenium. Wheatgrass is also a source of protein (less than one gram per 28 grams).
The nutrient content of wheatgrass juice is roughly equivalent to that of dark leafy vegetables.
We have a trial with wheat grass at our end with fresh wheat grass as found in the natural enviornment.
The trial was done with Wheat Grass grown in the northern part of India which was transported in a vaccumm packed container to prevent any kind of change in the physical as well as the chemical characterisitc of the material.
Wheat Grass as observed did not have any free water at all and the juice obtained was entirely due to the high amount of pressure applied due to the squeezing mechanism in the machine . The juice yeild as observed was as high as 75% of the feed weight of the material and the material at the output of the end of the system even after squeezing manually with hand we did not see any drop drop of water.
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Fresh Marigold flowers are high in moisture with moisture ranging from 85-95%.
These fresh flowers are ideally shredded first to reduce the size of the flowers to achieve a better dewatering during the process and then fed into the machine.
These flower when squeezed release a juice/slurry type outlet which is fairy pretty clean and devoid of any plant stems or flower petals in the presses we design.
The flowers more or less disintegrate into fine strands due to the extreme pressure generated during the pressing.
As observed with our data during trial and testing , during the most ideal set of dewatering condition the outlet weight is less than 1/3rd of the original fed weight with an outlet moisture in the range of 50%.
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Recycled cotton fibres are a great source of recycling the produced material.
The cotton fibres are treated and shredded to remove their original color and then washed with water for cleaning.
This cotton fibres along with the abundance of water are fed into the Dewatering Screw Press for the removal of exccess water prior to further processing.
Generally this comes with a very high moisture content of almost 95% moisture along with the free water.
The cotton fibre on the outlet side has extremely low percentage of moisture in the range of 30-35% which is ideal and suitable for the process ahead.
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