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Solids Dewatering Machine

MDS 311 Solids Dewatering Machine Introduction Lifeng Environmental Equipment are always focusing on independent technology innovation of themselves.Under the cooperation with Nanjing Agriculture University, we have successfully developed the new generation of sludge dewatering technology,...

MDS311 Solids Dewatering Machine Introduction

Lifeng Environmental Equipment are always focusing on independent technology innovation of themselves.Under the cooperation with Nanjing Agriculture University, we have successfully developed the new generation of sludge dewatering technology, multi-disk screw press, a screw type sludge dehydrator that is much more advanced in very aspects than belt presses, centrifues, plate-and-frame filter presses, etc. It features clogging-free, wide range of applications, low energy consumption, simple operation & maintenance.  201709051615279225166.jpg

 

MDS311 Solids Dewatering Machine Model Reference

 

 

Model

Dried Sludge Standard Capacity(kg/h)

Sludge Treatment Capacity(m³/h)

 

Low Concentration

High Concentration

2000mg/L

4000mg/L

10000mg/L

20000mg/L

25000mg/L

50000mg/L

 

MDS 101

~ 3

~ 6

~ 1.5

~ 0.75

~ 0.6

~ 0.3

~ 0.24

~ 0.12

 

MDS 131

~ 6

~ 12

~ 3

~ 1.5

~ 1.2

~ 0.6

~ 0.48

~ 0.24

 

MDS 132

~ 12

~ 24

~ 6

~ 3

~ 2.4

~ 1.2

~ 0.96

~ 0.48

 

MDS 201

~ 12

~ 20

~ 6

~ 3

~ 2

~ 1

~ 0.8

~ 0.4

 

MDS 202

~ 24

~ 40

~ 12

~ 6

~ 4

~ 2

~ 1.6

~ 0.8

 

MDS 311

~ 30

~ 60

~ 15

~ 7.5

~6

~ 3

~ 2.4

~ 1.2

 

MDS 312

~ 60

~ 120

~ 30

~ 15

~ 12

~6

~ 4.8

~ 2.4

 

MDS 313

~ 90

~ 180

~ 45

~ 22.5

~ 18

~ 9

~ 7.2

~ 3.6

 

MDS 314

~ 120

~ 240

~ 60

~ 30

~24

~ 12

~ 9.6

~ 4.8

 

MDS 411

~ 60

~ 120

~ 30

~ 15

~ 12

~6

~ 4.8

~ 2.4

 

MDS 412

~ 120

~ 240

~ 60

~ 30

~ 24

~ 12

~ 9.6

~ 4.8

 

MDS 413

~ 180

~ 360

~ 90

~ 45

~ 36

~ 18

~ 14.4

~ 7.2

 

MDS 414

~ 240

~ 480

~ 120

~ 60

~ 48

~24

~ 19.2

~ 9.6

 

MDS 511

~90

~ 150

~ 45

~ 22.5

~15

~7.5

~ 6

~ 3.5

 

MDS 512

~ 180

~ 300

~ 90

~ 45

~30

~15

~12

~ 7

 

MDS 513

~ 270

~ 450

~ 135

~ 67.5

~45

~22.5

~ 18

~ 10.5

 

MDS 514

~ 360

~ 600

~ 180

~ 90

~60

~30

~ 24

~ 14


① Use three letters and three digits to represent the Model. The letter MDS means machine type—Multi-Disk Screw. Two former digits means the MDS cylinder diameter, the last digit shows the number of the screw shafts, such as MDS 312, it means the MDS cylinder diameter is 310mm, the number of the screw shafts is two.
② Sludge Treatment Capacity=DS Standard Capacity÷Sludge Concentration (DS stands for Dried Sludge, 0% moisture.)
* 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.

 

MDS311 Solids Dewatering Machine Case Study

Sludge Dewatering in Paper Making

Model: MDS312                  
Location: Shandong,China
Sludge Type: chemically precipitated sludge      
Sludge Concentration : 1.97%                 
Sludge Flow Rate : 7.0m3/h
Ds Throughput : 138kg-DS/h
Polymer Add Rate: 6g/kg DS
Cake Solid: 23%                   
Capture Rate: 96%

201709051616188701808.jpg


Sludge Dewatering in Food Processing         

Model: MDS311              
Location: Guangdong, China                     
Sludge Type: 70%chemical sludge+30% biosludge
Sludge Concentration : 1.40%
Sludge Flow Rate : 3.0m3/h
Ds Throughput : 42kg-DS/h
Polymer Add Rate: 8g/kg DS
Cake Solid: 18%                    
Capture Rate: >94%

201709051616451422493.jpg


Sludge Dewatering in BLue Algea

Model: MDS412                       
Location: Jiangsu, China
Sludge Type: biosludge
Sludge Concentration : 1.10%
Sludge Flow Rate : 13.0m3/h
Ds Throughput : 143g/kg-DS/h
Polymer Add Rate: 8g/kg DS
Cake Solid: 14%                        

Capture Rate: >90%

201709051617128532037.jpg


Sludge Dewatering in Petrochemical Industry

Model: MDS413               
Location: Sinkiang
Sludge Type: 70%chemical sludge+30% biosludge
Sludge Concentration : 2.10%
Sludge Flow Rate : 18.3m3/h
Ds Throughput : 143g/kg-DS/h
Polymer Add Rate: 384g/kg DS
Cake Solid: 17%                   
Capture Rate: >90%
MDS detailed images

201709051617403697121.jpg


MDS311 Solids Dewatering Machine Details


Name: Over All Unit
Materials: SUS304
The over all unit is made up of SUS304 material, with smooth surface. Laser cutting technical ensures the evenness of machine surface.
201709051700086144561.jpg


Name: Rings
Materials: SUS304
First of all, mechanical shaping is done to the rings by imported processing equipment from Switzerland. Then manual shaping is done to control the deviation of evenness under 0.01mm.
图片1.jpg


Name: Screw Shaft
Materials: SUS304
Tungsten carbide coating are done to the screw shaft surface. The hardness can reach HRC 71. The blade of screw shaft also get chamfering process treatment, to match with the ring.
图片5.jpg


Name: Spray Tube and Nozzle 

Materials: SUS304
Spray tube uses SS304 steel, mirror polished.
Its nozzles can achieve well-distributed spray, can achieve solid cone effect,which is better than stainless steel nozzle suppliers
图片3.jpg


MDS311 Solids Dewatering Machine FAQ

Question 1: Can the machine be placed outdoors?
Yes, the corresponding cabinet, motor protection performance needs to be improved. If the motor needs to add rain cover, motor protection IP55, IP65 and so on.


Question 2: Dewatering machine bracket carbon steel will be cheaper, do not have stainless steel place replaced by carbon steel?
The working conditions of the machine are relatively corrosive places, carbon steel stent corrosion is poor, and the cost of the entire machine is not great, replaced by carbon steel and can not reduce the cost. Standing on the end user's point of view, do not want a machine with 2 years after the stent is rusty, affecting the company's image.

 

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