THE SLUDGE DEWATERING BY TEFSA BELT FILTER PRESSES

What is the sludge dewatering ?

Sludge generated in the final stages of the wastewater treatment system, suspensions with a very high water content and low solids concentration of 1-3%, so the sludge treatment in the next step very expensive cream. Thus sludge dewatering is essential. Sludge dewatering process is to reduce the volume and mass of mud to the lowest level possible, by means of mechanical or manual.

Why should dewatering of sludge ?

Transportation costs and sludge treatment are calculated based on the volume of sludge. The sludge dewatering can make volume and sludge volume by 10 times which means the cost of the company you hire units to collect and treat sewage sludge will be reduced to 10 times respectively.

TEFSA belt filter presses :

TEFSA belt filter presses is made of special materials to frame filter presses are made of 304 stainless steel should be able to work in an environment with chemical corrosion as well as high mechanical. TEFSA belt filter presses are equipped with concentrated sludge conveyor before pressing, molding design multilayer conveyor saves installation area, the conveyor system automatic calibration with compressed air. The belt filter presses operates automatically and continuously, pressed mud after reaching a high dryness. Sludge dewatering with wide power range, conveyor widths from 0.5 – 3 meters, and the capacity to treat up to 35m3/h (calculated according to the sludge concentration of 3%).

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OPERATIONING PRINCIPLE OF THE TEFSA BELT PRESSES

Sludge is flocculation to improve water separation before being TEFSA belt filter presses. After flocculation sludge is pumped sludge conveyor transported to parts of the machine. Here, the sludge is distributed evenly over the conveyor and under the effect of gravity will be dewatered sludge and sludge concentration preliminary solid increases from 1 to 3%. The length of the conveyor accessories from 1-2m depending on the design.

Next, the slurry is sandwiched between two conveyors and the compression force is generated by a system of rollers for axial rotation. The water will be removed gradually as conveyors go through the low pressure compression to the high pressure compression (compression pressure depending on the diameter and density and layout of the rollers). By the end of the compression process, the mud reached to the high dry solids concentration >25% and reducing sludge volume >10 times.

After pressing residue is separated from the conveyor by razor mud system is designed to last the machine and the system is washed with high-pressure hose nozzle to continue the process of separation. TEFSA belt filter presses runs automatically and continuously calibrated with conveyor systems Pneumatic automation.

 

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THE PRODUCTS OF BELT FILTER PRESSES

 

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MODEL BS

The BS belt filter presses is a versatile and high capacity unit and gives the best dewatering possible. It can be supplied in special construcions as in the case of the KS closed model. The modular design allows the adaptations such as the addition off gravity belt thickening decks and post-pressing systems in order to meet the most demanding conditions.

Available belt widths: 0.5 to 3.0 meter for a capacity between 2 to 35 m3/h.

 

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MODEL BSPP

The BSPP belt filter presses has the same construction and characteristics as the BS model but with an increased filtration area of 20% through the addition of a post- pressing module with six additional roller. Depending an the application, two pressure rollers supported by pneumatic cylinders will increase the pressure on the area. The BSPP model gives a higher output and lower cake residual moisture.

Available belt widths: 1.5 to 3.0 meter for a capacity between 10 to 35 m3/h.

 

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MODEL OS

The BS belt filter presses has been developed in oder to handle inorganic sluges as well as for broad use in the industrial area with more stable types of sludges. The OS model operates at lower pressures in relation to  the BS and BSPP model as the dewatering areas are somewhat shorter and has fewer rollers.

Available belt widths: 0.5 to 3.0 meter for a capacity between 2 to 30 m3/h. Special widths of 0.8 and 1.2 also available.

 

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MODEL OSC

The OSC belt filter presses has been specially developed to satisfy the following three basic demand: small capacities to dewater, equipment with compact dimensions, and good quality equipment at reduced investment costs. This mid pressure unit with rigid frame includes all characteristics ang materials as in the previously mentioned models characteristics and materials as in the previously mentioned models and includes the automatic control devices.

Available belt widths: 0.5 to 2.0 meter for a capacity between 2 to 15 m3/h

 

 

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MODEL MS

The MS belt filter presses has been developed to suit low capacity requirements such as small sewage plants or as mobile units within a plant or for service purpose. This low pressure unit with rigid frame includes charaterisics and meterials as in the higher pressure series and includes the automatic control devices; the attraction being its excellent investment level.

Available belt widths: 0.5 to 1.0 meter for a capacity between 1 to 10 m3/h.

 

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PDH SERIES (BELT PREDEWATERING TABLES)

The gravity belt thickeners are independent units from the belt filter presses which can be installed and integrated on top of belt presses when the inlet solids concentration is too low, or they can be used as stand-alone thickeners for particular applications. In all cases the unit has been provided withs its own independend belt, drive and belt guide system, tensioning and washing systems.

Available belt widths: 0.5 to 3.0 meter and belt lengths of 1.0 to 6.0 meter for a capacity between 2 to 150 m3/h

 

 

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Why do you use TEFSA belt filter presses ?

  • TEFSA belt filter presses and automatic operation continuously, without the head machine
  • Investment costs, operation and maintenance of sludge dewatering conveyor low TEFSA
  • Save energy by using a high-performance motor and low power consumption.
  • Wide range of capacity to meet all of the projects in all the different fields
  • It has a compact design and use of high quality materials, which saves installation area while maintaining processing power design

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