Introduction
The special filter press for coal washing is an important equipment for the coal preparation plant to realize the recycling and washing closed cycle in the coal sludge plant.
The filter press has many unique features in design: firstly adopt chain drive to close, then use five cylinders to compact, which greatly shortens the length of the cylinder, which is beneficial to the enlargement of the equipment. The filtrate adopts the open and close flow discharge mode to improve the filtration speed; based on the liquid level meter, can adapt to different concentrations of coal slurry water, using PLC to control, can automatically complete the feeding, filtering, unloading, reduce the labor intensity of workers, and the filter cake moisture can be adjustments within a certain range according to needs.
The special filter press for washing coal has the characteristics of high technical content, fully automatic operation, safe and reliable equipment, fast adaptability of high pressure filter material, low moisture content of filter cake, strong production capacity and good economic effect. The special filter press for coal washing is mainly used for dewatering of clean coal, tail coal and primary slime, which has high promotion and application value.
Therefore, the slime filter press is the first choice for the special filter press of the coal washing plant.
II. Interpretation of Model Type
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: 250㎡
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 | X10AZG250/1500-UK |
1 | Filter area(M2) | 250 |
2 | Filter pressure（MPa） | ≤ 0.6 |
3 | Squeezing pressure（MPa） | ≤ 1.0 |
4 | Filter temperature (℃) | -10~80 |
5 | Total chamber volume (m3) | 5.02 |
6 | Qty of filter/membrane plate (pc) | 31/32+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) | 8410 |
24 | Dimensions (L*W*H) (mm) | 9740*2070*1900 |
25 | Weight (Kg) | 15164 |
IV.Functional description
| Name | Technical description |
Auto shifting system | Function: to ensure that shift plate one by one |
Electrical control system | Function: to ensure filter press. oil cylinder, hydraulic system and squeezing system normally and orderly work |
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 |
Cloth washing system | Function: The cloth washing system, automatically clean filter cloth,makes filtering more efficient and reduces labor. |
Filter cloth | Function: solid-liquid separation Model:750A |
V. Filter cloth parameters
Item No. | Material | Fabric Texture | Weight | Density | Thickness | Rupture Strength | Elongation at Break(%) | Air Permeability | |||
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 |
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X1500 PP membrane Filter Plate
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