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MDS Sludge Dehydrator

Brief Introduction

Multi-Disk Screw Press( Hereinafter referred as MDS ) belongs to the screw press, it's clog-free and can reduce the sedimentation tank and sludge thickening tank, saving the cost of sewage plant construction. MDS using screw and the moving rings to clean itself as clog-free structure, and controlled by the PLC automatically, it's a new technology that can replace the traditional filter press like belt press and frame press, the screw speed is very low, so it cost low power and water consumption in contrast to the centrifuge, it is a cutting edge sludge dewatering machine.


The Sludge Dewatering Press is an enclosed high performance sludge dewatering system. It utilizes a central screw auger and a slowly oscillating multi-disk filter to gradually increase pressure on flocculated sludge to produce an exceptionally dry sludge cake. With electrical, water and polymer usage, and high capture rates the system is very cost effective.



The Sludge Dewatering Press can be provided with all equipment required for dewatering included and factory mounted, piped and wired on a single stainless steel skid. This equipment includes the sludge pump, wash water pump, polymer dosing system and control panel. The system features fully automated one pushbutton startup and shutdown. Once started up the system can run unattended and can be set to shutdown automatically with no operator intervention.


The Sludge Dewatering Press is constructed entirely of stainless steel.undefined


The Sludge Dewatering Press features:
• Enclosed to minimize odors and noise
• Very low wash water usage(1/8 compared with belt press)
• Very low power consumption(1/20 compared with centrifuge)
• High cake solids • Minimal operator requirement
• Easy to operate and maintain
• Auto start-up, run and shutdown
• Touch screen operation optional
• Sludge Flow and Cake Monitoring System
• Available with many other options like Dairy, Palm Oil, etc.

The Sludge Dewatering Press offers a completely operational, skid mounted and self-contained system which can include:
• Screw Press
• PLC Controls
• Sludge Pumps
• Back Wash System
• Flocculation System
• Polymer Dosing Unit
• Sludge Cake Conveyor

  Running Conditions





Replacement time of vulnerable part is an estimated time, in the actual operation process, the types of sludge, the means of processing, operation adjustment status and the running time of the day, will affect the replacement time.( Replacement cycle of vulnerable part is calculated as 365 days per year, 8 hours/day of running time.)

  Models Reference


* Throughput of each model is based on sludge cake with 85% water content.
* There is no certain upper limitation on inlet sludge concentration, however, the target sludge must be flowable.
* Throughput of DAF Sludge is based on sludge containing much fat, oil, and grease such as meat processing applications etc.
* Throughput of Mixed Sludge (Primary Sludge and Waste Activated Sludge) and Aerobically Digested Sludge is based on sludge containing more than 30% fiber (200 mesh) against Total Solids.

  Specifications





  Case Study Reference

 Multi-Disk Screw Press can be widely used for various wastewater treatment systems such as municipal, petrochemical, chemical fiber, paper making, pharmaceutical, leather and oythr industrial water treatment system. Also it can be used for Dairy Farm Manure Treatment, Palm Oil Sludge, Septic Sludge, etc. The practical operation shows that Multi-Disk Screw Press can bring considerable economic and social benefits for users.
 MDS dewatering screw press covers almost all industries. Please send us sewage sample for chemical determining, we will provide with the most detailed report and optimal solution.

  Municipal Wastewater

Project:SAJ-WWTP TREATMENT PLANT 

Region:Kota Bahru, Malaysia

MDS Model:MDS 413Sludge 

Type:Municipal / WAS Sludge

            


  Food Processing

Project:GARNIER Slaughter House

Region:Nantes, France

MDS Model:MDS 202

Sludge Type:Food Processing / DAF Sludge



Project:CP Thai Food Group(Vietnam)

Region:Ho Chi Minh, Vietnam

MDS Model:MDS 311

Sludge Type:Food Processing / Mixed WAS and DAF Sludge



  Chemical Industry

Project:Surdeshan Chemical Group

Region:Dahod, India

MDS Model:MDS 312

Sludge Type:Chemical Sludge / Chemical Precipitation


Project:Ganurn Chemical Products

Region:Belo Horizonte, Brazil

MDS Model:MDS 131

Sludge Type:Chemical Sludge / Chemical Precipitation


  Mechanical

Project:ANSTEEL GROUP

Region:Liaoning, China

MDS Model:MDS 413

Sludge Type:Mechanical / Precipitation Sludge


  Pharmaceutical

Project:YANGTZE RIVER PHARMACEUTICAL GROUP

Region:Jiangsu, China

MDS Model:MDS 313

Sludge Type:Pharmaceutical / Precipitation+WAS Sludge


  Petrochemical

Project:Oriental Petrochemical

Region:Taiwan

MDS Model:MDS 412

Sludge Type:Petrochemical / DAF Sludge


  Dairy Farm Manure Treatment

Project:Fair Oaks Farm- Nutrient Recovery Project

Region:Indiana, USA

MDS Model:MDS 413 / 3 Sets

Sludge Type:Dairy Farm / DAF Sludge(Digested Manure)


Project:Maple Leaf Farm

Region:Great Columbia, Canada

MDS Model:MDS 312

Sludge Type:Dairy Farm / DAF Sludge(Digested Manure)


  Palm Oil Industry

Project:Palm Oil Plant in Kuala Lumpur

Region:Kuala Lumpur, Malaysia

MDS Model:MDS 413

Sludge Type:Palm Oil / Precipitation Sludge


  Septic Tank / River Slit Clean

Project:Shenzhen City Clean Co., Ltd.

Region:Shenzhen, China

MDS Model:MDS 312 / 60 Sets / Integrated Sludge Treatment System

Sludge Type:Septic Sludge / River Slit Clean


Domestic Projects Videos

Mobile Unit for Septic Sludge Or see this video from Youtube:
https://www.youtube.com/watch?v=DTSwLouNbCU

AnGang Stainless Steel Industry Or see this video from Youtube:
https://www.youtube.com/watch?v=4O0KAdeQLvY

COFCO Wine Industry Aerobic Sludge Or see this video from Youtube:
https://www.youtube.com/watch?v=b60xWXZEvuc

New Era Pharmacy Industry Or see this video from Youtube:
https://www.youtube.com/watch?v=1bd3BoWrYzQ

Shaobozhen WWTP Municipal Sludge Or see this video from Youtube:
https://www.youtube.com/watch?v=lrzqfVrsUMM

Zhejiang Zhuoyue Biochemistry Sludge Or see this video from Youtube:
https://www.youtube.com/watch?v=3RUopdZQ0ak

Overseas Projects Videos

Poultry Slaughter House-Poland Or see this video from Youtube:
https://www.youtube.com/watch?v=W8Pi9AE1fiM

Kirin Beer-Indonesia Or see this video from Youtube:
https://www.youtube.com/watch?v=L1eKVmfAbS8

Kalmah Oleo Food-Vietnam Or see this video from Youtube:
https://www.youtube.com/watch?v=2ttfGzKyXPM

Jagalime WWTP-Philippines Or see this video from Youtube:
https://www.youtube.com/watch?v=dtgiKTokxrQ

SPJ Sludge Treatment Center-Malaysia Or see this video from Youtube:
https://www.youtube.com/watch?v=cj_3CQpdTYE

Maple Leaf Dairy-Canada Or see this video from Youtube:
https://www.youtube.com/watch?v=0dpiS4tCY4E

CHEMMEX Chemical-Thailand Or see this video from Youtube:
https://www.youtube.com/watch?v=uqDJ6Kdeyv8

Cattle Slaughter House-France Or see this video from Youtube:
https://www.youtube.com/watch?v=jqIsfXwX5os
  Best Choice for Sludge Dewatering

- Direct Dewatering from Oxidation Ditch -

 In the past times, sludge was commonly thickened before dewatering, but when MDS Dewatering Press was introduced to the world, it's a cutting-edge technology, MDS is consisted of a filtering drum with both thickening and dewatering zone, changed this notion.
 Due to the unique structure, MDS Dewatering Press can handle low concentrated sludge at 0.2% directly without any pre-thickening stage and is used in a great number of small-scale sewage treatment plants in China for dewatering sludge directly 


- Advantages of Direct Dewatering from Oxidation Ditch -

* Reduction of investment costs for thickening and storage equipment
* Reduction of running cost
* Removing odor by dewatering fresh aerobic sludge
* Reduction of the load of Phosphorus in the wastewater treatment

  Widely Use

 Can be widely used in municipal sewage, food, slaughtering breeding, printing and dyeing, oil chemical industry, paper making, leather, pharmaceutical and other industries of sludge dewatering;
 Exclusive pre-concentration design, applicable sludge concentration of 2000mg/L-50000mg/L;
 Due to the innovation of the structure design, it is highly suitable to various high and low concentration sludge, most especially for the oily ones.


  Clog-free

 Due to rotation of helical axis, the moving rings begin detaching from the fixed rings while continuously starting the self-cleaning process. As a result, the ubiquitous clogging is avoided. Therefore, it can handle oily sludge without any trouble while separating the water from the sludge easily. In addition, there is no need to add large quantity of flushing water and there is no odor and no secondary pollution during the dewatering process.


  Fully Automatic Control

 There are no easily blocked pieces such as belt and filtration pore in Multi-Disk Screw Press. Combining with the auto control system, the machine runs very safely and simply and can be programmed according to the requirement of the users. It can operate automatically for 24 hours, unmanned.


  Save Running Cost

 Multi-Disk Screw Press works by the machine’s internal pressure and needs no large scale integrations like rollers. It saves energy and water and has very minimal noise because of low running speed (2-4 r/min). The average unit power consumption is only 0.1-0.01kwh/kg-DS (1/8 of Belt Press and 1/20 of Centrifuge), and can greatly reduce the running cost of wastewater treatment system.


  Contactless, Wear Free Structure Design

 Multi-Disk Screw Press uses the contactless wear free structure between the disks and screw shafts, thus the service life of the Screw shafts and the rings will be greatly extended. The treatment capacity of equipment and processing effects can be improved in combination with other optimization design.


  Decrease Capital Investment

 Multi-Disk Screw Press can treat sludge in aeration tank and secondary sedimentation tank without setting sludge thickeners. Therefore, this can decrease the total investment, avoid phosphorus release from the sludge thickeners and sludge storage tanks and enhance phosphorus removal effect of the wastewater treatment system.


  High Resistance to Oily Sludge

 The self-cleaning mechanism and stainless steel structure enables MDS to be ideal to dewater oily sludge, which easily causes clogging and is difficult to treat with other types of dewatering equipment.


  Small Footprint

 MDS dewatering press can be installed in places where placement would not be possible with other technologies.This makes MDS suitable to customers who are considering the replacement of existing dewatering equipment.


* The indicated dimensions above
The shown dimensions for the belt press and centrifuge are for the main bodies only. For other dewatering equipment, the dimensions of attachments, such as PLC control panels, flocculation tank, etc. are also included.

  Comparison Chart

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