Special Filter Press for Granite Wastewater Treatment

Special Filter Press for Granite Wastewater Treatment

The full automatic filter press with PLC control, with membrane system and filter cloth washing and auto drip tray system.

Product Details

I. Introduction

The full automatic filter press with PLC control, with membrane system and filter cloth washing and auto drip tray system.


About cake washing

There are two possible methods of washing that are being employed, the "simple washing" and the "thorough washing". For simple washing, the wash liquor flows through the same channel as the slurry with high velocity, causing erosion of the cakes near the point of entry. Thus the channels formed are constantly enlarged and therefore uneven cleaning is normally obtained. A better technique is by thorough washing in which the wash liquor is introduced through a different channel behind the filter cloth called washing plates. It flows through the whole thickness of the cakes in opposite direction first and then with the same direction as the filtrate. The wash liquor is normally discharged through the same channel as the filtrate. After washing, the cakes can be easily removed by supplying compressed air to remove the excess liquid.


Nowadays filter presses are widely used in many industries, they would also produce different types of wastes. Harmful wastes such as toxic chemical from dye industries, as well as pathogen from waste stream might accumulate in the waste cakes; hence the requirement for treating those wastes would be different. Therefore, before discharge waste stream into the environment, application of post-treatment would be an important disinfection stage. It is to prevent health risks to the local population and the workers that are dealing with the waste (filter cakes) as well as preventing negative impacts to our ecosystem. Since filter press would produce large amount of waste, if it was to be disposed by land reclamation, it is recommended to dispose to the areas that are drastically altered like mining areas where development and fixation of vegetation are not possible. Another method is by incineration, which would destroy the organic pollutants and decrease the mass of the waste. It is usually done in a closed device by using a controlled flame


II. Interpretation of Model Type

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1.Filter press type: X: Chamber filter press

2.Maximum filtration pressure: 10:1.0 Mpa    

3.Filtrate discharge type: A: close discharge

4.Plate shifting type: Z: automatic

5.Filter plate type: G: membrane

6.Drip collection device type: F: auto drip collection drip tray  

7.Auxiliary function: Q: auto cleaning filter cloth

8.Filtration area: Unit: 240㎡

9.Filter plate dimensions: length*width: 1500*1500; unit: mm

10.Filter plate materials: U for reinforced PP

11.Cake washing type: K: cake washable


III. Technical Part

Item

Name

X10AZGFQ240/1500-UK

1

Filter area(M2)

240

2

Filter pressure(MPa)

≤ 0.6

3

Squeezing pressure(MPa)

≤ 1.0

4

Filter temperature (℃)

-10~80

5

Total chamber volume (m3)

4.86

6

Qty of filter/membrane plate (pc)

30/31+1 head+1 tail

7

External size of filter /membrane plate (mm)

1500*1500*80/80

8

Designed depth of chamber(mm)

40

9

Type of filter plate

Chamber membrane

10

Material of filter plate

 FRPP+PP elastomer type

11

Hydraulic protection pressure  (Mpa)

29

12

Hydraulic pressing pressure  (Mpa)

25

13

The effective stroke of the cylinder(mm)

750

14

The diameter of cylinder(mm)

380

15

Inlet hole diameter(mm)

DN125

16

Wash and drain hole diameter (mm)

DN65

17

Material of cylinder sleeve

27 silicon-manganese alloy seamless steel pipe

18

Material of piston rod

Quenched and tempered 45# steel with chrome

19

Material of pressing plate

Welded Q235 constructional steel

20

Material of thrust plate and supporting

Welded Q235 constructional steel

21

Material of cylinder block and supporting

Welded Q235 constructional steel

22

Material of main frame

Solid steel of Q345

23

The length of main frame (mm)

8300

24

Dimensions (L*W*H)  (mm)

9580*2070*1900

25

Weight (Kg)

15500


IV.Functional description

Name

Technical description

Hydraulic system

Function: to provide pressing power and ensure oil cylinder open/close and manipulator normally work
Makeup: oil tank, oil pump system, manifold block, hydraulic valves, oil pipes, pressure displayer and driving system.
Max oil pressure:29 MPa; Rated pressure: 25MPa

Electrical control system

Function: to ensure filter press. oil cylinder, hydraulic system and squeezing system normally and orderly work
Makeup: main electrical components are from Schnieder.

PLC control system

Equipped with touch screen, Control the filter press and valves, pumps and other accessories, To achieve full automatic control, easy and safe to operate.

Automatic drip tray

Turn plate motor power :0.55KW
The Material of the panel:SS304

Cloth washing system

Function: The cloth washing system, automatically clean filter cloth,makes filtering more efficient and reduces labor.
Water washing motor power:4.0KW

Filter cloth

Function: solid-liquid separation; Model:750A
Max tolerable temperature is above 80℃  Material: polypropylene fiber


V. Filter cloth  parameters

Item No.

Material

Fabric Texture

Weight
(g/㎡)±5%

Density
(PCS/10cm)

Thickness
(mm)±2%

Rupture Strength
F(N/5*20cm)

Elongation at Break(%)

Air Permeability
(L/㎡  S)±25%





Warp±5%

Across Warp±5%


Warp±2%

Across Warp±2%

Warp

Across Warp


750A

PP

Plain weave

370

204

110

0.75

4166

2905

43

31.83

13.56


X1500 PP Filter Plate

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X1500 PP membrane Filter Plate

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Hydraulic station

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Hydraulic station


Stainless steel Protective pull plate machine hand

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