Bag Sludge Dewatering System

Bag sludge dewatering unit is used in ETP/STP for dewatering of sludge.

The sludge is fed to the flocculator installed on the dewatering equipment. At the same time, liquid poly is mixed in the flocculator. As a result, well flocculated sludge is fed to bags for approximately 2 to 3 hours, then kept idle for another 4 to 5 hours for further dripping. The cycle depends on sludge characteristics. Filtrate is collected in the bottom tank and drained via nozzle. After operation, bags are removed using a trolley, sealed, and kept in open space for drying. Dry solids up to 90% can be achieved in 4-5 days during summer.

Features

Decanter Centrifuge

DECANTER CENTRIFUGE is used in ETP/STP for dewatering of sludge.

A centrifuge decanter consists of a solid cylindrical bowl rotating at high speed, a scroll rotating at a slightly different speed, and a drive group to control this difference. The liquid is fed to the distribution room and accelerated into the bowl. Centrifugal force separates the solids to the bowl wall, and clarified liquid exits through adjustable plates. It is widely used for separation, dewatering, thickening, classification, and extraction.

Features

Screw Filter Press/ Multidisc Screw Press

SCREW PRESS is used in ETP/STP for dewatering of sludge.

The CCP Screw Press is a unique product That offers many advantages over current sludge management practices. The key to the process is the “dewatering drum.” This drum can achieve both thickening and pressing (dewatering) of the sludge in a single, compact operation. Thus the CCP Screw Press can take sludge as dilute as 0.2% to 5% solids directly from a treatment process, such as bottom of clarifier, and produce a cake of over 20 to 35% solids. depend on sludge characteristic. Separate thickening, storage, and conditioning processes are eliminated. In addition, it eliminate operators, continuous use of wash water, and high power consumption.

Features

Sludge Dryer/Paddle Dryer

PADDLE DRYER is used in ETP/STP/MUNICIPAL/INDUSTRIAL for of sludge drying.

The twin shaft design of the CCP paddle dryer ensure a perfect mixing in a radial direction of the shaft where as the transportation of the product through machine is achieved by gravity which results from an inclination of the machine due to its very narrow particles residence time distribution, the CCP paddle dryer is often used as a continues reactor where heat treatment can be combined with a time –depending reaction in a fully continues process The machine has a heated through, containing rotating heated paddle shaft. Specially shaped paddle are designed for maximum heat transfer. This result in an excellent control of the temperature of the product and enable a uniform product quality at the outlet side the product moves out of the machine via an adjustable overflow weir.

Features

CCP Zero Hold Up Filter Press Machine

Structural Specifications :-

Details Of PUMP (SWASTIK Make OR ALFA LAWAL Make):-

Dissolved Air Flotation Unit/ AiroDAF Clarifier

Airo-Dissolved air flotation (AiroDAF) is water treatment equipment that clarifies wastewater (or other waters) by the removal of suspended matter such as oil or solids. The removal is achieved by dissolving air in the water or wastewater under pressure and then releasing the air at atmospheric pressure in a flotation tank or basin. The released air forms tiny bubbles which adhere to the suspended matter causing the suspended matter to float to the surface of the water where it may then be removed by a skimming device.Dissolved air flotation is very widely used in treating the industrial wastewater effluents from oil refineries, petrochemical and chemical plants, natural gas processing plants, dairy industry, automobile industry, food industry, paper mills, general water treatment and similar industrial facilities. A very similar process known as induced gas flotation is also used for wastewater treatment.

Process Description :-

The feed water to the AiroDAF float tank is often (but not always) dosed with a coagulant to coagulate the colloidal particles and/or a flocculants to conglomerate the particles into bigger clusters.A portion of the clarified effluent water leaving the Airo-DAF tank is pumped into a small pressure vessel (called the Air Saturation Vessel) into which compressed air is also introduced. This results in saturating the pressurized effluent water with air. The air-saturated water stream is recycled to the inlet of the float tank and flows through a pressure reduction valve just as it enters the inlet of the float tank, which results in the air being released in the form of tiny bubbles. Bubbles form at nucleation sites on the surface of the suspended particles, adhering to the particles. As more bubbles form, the lift from the bubbles eventually overcomes the force of gravity. This causes the suspended matter to float to the surface where it forms a froth layer which is then removed by a skimmer. The froth-free water exits the float tank as the clarified effluent from the DAF unit.

Features

Industry

Fine Screw Screen

The fine screw screen will be manufactured in SS304 or SS316 with an hole opening of 2 mm to 5 mm punched hole. The Rotating screw will have a spiral welded to it with brush on lower end to clean the filtration media and suitably so as to convey the suspended solids in the forward direction. Moc of screw is carbon steel hot deep galvanized or Epoxy painted. as shaft rotates brushes wipe the solids from perforated area and travel to the outlet of the screens Simultaneously clean the perforated filter media.

System is designed to remove Oil droplet size of upto 50 micron.

Parts

Screw Press Cow Dung Dewatering Machine

Working Principles :-

1.When the cow manure dewater machine is working,the dung slurry pump will pump the animal manure into the main body of the cow manure dewater machine.

2.In the body of the cow manure dewater machine,there are a screw and screen. As the cow manure enter into the cow manure dewater machine,the screw will pull the manure from the left to the right at the speed of 45r/min.

3.When cow manure are transported the right of cow manure dewater machine,the screen will continuous press the manure to dewater the manure.

4.The manure is dewatered and discharged by the cow manure dewater machine.

Application :-

The moisture of the manure can reach as less as 40%,you can not press any water by hand.

1.The dewatered manure can be enpacked at once,after fermenting,it can be directly used as farmyard manure.

2.The dewater manure can be deep processed as the material of industrial fertilizer.

3.The dewater manure can be made as feed in the fishery industry.

Performance & Technical Features-Benefits

Function

This Cattle Farming Equipment is a solids-liquid separating machine including a screw conveyor. Using both principles of separation,by gravity and by mechanical pressing,the machine is designed to separate the liquid phase from the solid phase in a wide range of substances such as sludge, sewage, manure, solids-liquid mixtures, vegetables, processing waste and others, where the percentage of liquid inside the solid may be considerably different.

The separated solid and liquid phases can be handled in an easier and cheaper way. In some sectors this can even become a source of income.

Operation

The machine receives the material to be separated and conveys it using the screw conveyor inside the separator casing.The liquid phase is separated through the mesh of the cylindrical screen which encloses the screw conveyor. Along its path toward the exit, the material gradually separates progressively the less linked liquid and then the more strongly linked liquid until a plug of almost dry material has formed before the outlet. The plugis continuously expelled through the outlet diaphragm. The machine will automatically find its balance of squeezing force depending on the material. Consequently, it can be used for a wide range of materials without the need for any manual adjustments.

FLOCCULATOR

To get good ferformance from sludge dewatering machine the sludge has to be conditioned with suitable polyelectrolyte/ flocculant by using  technology of bottom inlet and top outlet it has been forund that a slow agitation tank with a residence time up to 3 to 4 minutes is normally sufficient to do a good job of flocculation after the mixing of sludge and polyelectrolyte strong large size flocks will be obtained which are fed to the dewatering machine available  size from 20 lit to 1500 lit.

Features

AUTOMATIC POLY PREPARATION UNIT

The automatic polyelectrolyte preparation and dosing unit consists of a rectangular tank divided into three compartments. The first compartment, for mixing Powdered polyelectrolyte with water polyelectrolyte loading hopper installed on top of the machine, micro-screw batcher and relevant variable speed drive ( VFD) , fast stirrer for the polyelectrolyte mixing, inflow system for the dilution water and relevant solenoid valve, flow meter; the second compartment, for the polyelectrolyte mixture ageing, is equipped with slow stirrer and bottom suction and drain system. The third compartment, for ageing and storage, is used for the mixture storing and is provided with slow stirrer and suction and delivery system for the polyelectrolyte solution.it also provided low and high level sensor to automatic start and stop of water flow and powder polyelectrolyte. Every stirrer has impellers fitted on its shaft, each one with four sloping blades. The polyelectrolyte preparation occurs automatically: in fact, once the concentration (from 0.05% to 0.5% by weight) has been established, the dosing of dilution water and polyelectrolyte starts automatically. The solution at the automatic polyelectrolyte preparation unit outlet can be further diluted in the network, if required. The preparation unit is provided with alarms activated by the failure of the dosing screw or shortage of dilution water, insufficient level of polyelectrolyte in the hopper, faulty operation of the stirrer. The standard construction is in stainless steel.

Applications as

BELT OIL SKIMMER

A belt skimmer is a very simple product to remove the floating oil. A belt skimmer is mounted on tank tops. The unit consists of two (2) pulleys. Care is taken that the bottom pulley is below fluid surface level. The top pulley is connected to a geared drive. An endless belt of polyurethane material rotates on the pulleys. Bottom pulley has a self-tensioning arrangement to compensate expansion of belt over time. Fluid flows slowly over the belt leaving the floating oil on the surface of the belt. The belt scrapes through a pair of nylon scarpers near the top pulley. The scraped fluid is collected a tank. The separator tank is specially design with adjustable baffles. This separates the additional water content and diverts it back to the main tank.

Applications as

HALF DRUM ROTATING ARM/BRUSH SCREEN

The Half Drum rotating arm/brush fine screen is used for filtration in ETP /STP Half Drum Rotating arm fine screen consists of filtration media available from 2 mm to 10 mm in hole and bar spacing which arm rotates consist of brush or comb which cleans the filtration media and screen is collected in bin. Rotating arm is supported by suitable bearing shaft and is operated by geared motor. The effluent entered in the channel consist of screen filtration takes from inside to outside, Equipment is completely closed by canopy.

Features