lw355 x1257-n high speed centifuge.pdf

8/10/2019 LW355 x1257-N HIGH SPEED CENTIFUGE.pdf

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LW series Centrifuges

709 New Century Building,Fengcheng 2 Road,Xi‘an,ChinaTel: 86-29-81510119 Fax: 86-29-81317349

E-mail:[email protected] Web:www.hlpetro.com

TECHNICAL PARAMETRES

1. Technical Parameters Table

Parameters UnitRated frequency

LW355×1257-N

Tri-frequency

conversion

LW355×1257BP-N

Double frequency

conversion

LW355×1257BP-N

Internal diameter of bowl

straight sectionmm 355

Service length of bowl mm 1257

Rotational speed of bowl

(max.)

r/min 4000(Fresh water)

Service speed of bowl r/min2800、3000

（Replacement of pulley）

Max adjustable 3400 (1600-3200 to be

recommended)

G-force 1780～1550 ≤2296

Differential speed of

conveyor r/min 40 ≤60 Adjustable

Max capacity m3/h 30 0～36（Fresh water 48）

Main

motor

Model YB200L-4

Rated power kW 30

Rated rotational

speedr/min 1470

Back

motor

Model YB160M-6

Rated power kW 7.5

Rated rotational

speedr/min 970

Single screw feed pump

Parameters

Model

XG070B02ZF

（with stepless speed

reducer ）

XG070-0.6

（Frequency conversion

for adjustable speed）

Variable frequency

Rotational

speedr/min 196～366 137～408

Flow m3/h 9.2～18.4 6.2～20.7






Pressure MPa 0.6 0.6

Electrical

power kW 7.5 7. 5

Vertical/horizontal sand pump (patented with resistive device tech)

Parameters

Model LSB23J/SB23J

Rotational

speedr/min

1500（synchronous

rotational speed）

Flow m3/h 30～40

Pressure MPa 0.11～0.16

Electrical

power

kW 4～5.5

Dimensions mm 3000×1476×1620

Total quality (incl. feed

pump)kg 3300

4000（incl. control

cabinet）

3900（incl. control

cabinet）

2. Circumstance Conditions:

Ambient temperature: -20°C～+50°C

Relative humidity of ambient air: ≤95%

Explosion protection mark: ExdⅡBT4

Corrosive environment: No active gas or steam that will destroy the metal

Degree of electrical protection: IP54






Explode Drawing of Unit Assembly

Details of Explode Drawing of Unit Assembly

No. Code/ spec Description Qt. No. Code/ spec Description Qt.

1 L3.1-7.0 transport frame 1 25 M12×40 bolt 4

2 JG4-5 vibration damper 6 26 12 spring washer 4

3 L3.1-3.0 base 1 27 L3.1-12.0 feed tube assy. 1

4 L3.1-3.3.0 back motor plate 1 28 B2032 V-belt 5

5 M12×60 T-bolt 4 29 M16 nut 4

6 M16×40 bolt 4 30 16 spring washer 4

7 16 spring washer 4 31 YOXP-360 hydro-coupling 1

8 16 flat washer 4 32 YB200L-4 main motor 1

9 L3.1-6.0 safety device 1 33 L3.1-13.0 flush pipe 1

10 M8×20 bolt 4 34 M10×25 bolt 2

11 L3.1-4.0 vessel assy. 1 35 M16×40 bolt 4

12 L3.1-9 pulley 1 36 16 spring washer 4






13 YB160M-6 back motor 1 37 M16×40 bolt 4

14 M12 nut 4 38 16 spring washer 4

15 12 spring washer 4 39 16 flat washer 4

16 SPZ1800 V-belt 3 40 M16×60 T-bolt 4

17 L3.1-1.0 rotating assy. 1 41 L3.1-3.7.0 main motor plate 1

18 L3.1-8.0 belt guard 1 42 L3.1-10.0 control cabinet 1

19 M10×30 bolt 7 43 M16×45 bolt 4

20 24 spring washer 8 44 16 spring washer 4

21 M24×100 bolt 8 45 L3.1-14.0 solid groove 1

22 L3.1-11.0 belt guard 1 46 M10×65 bolt 4

23 M10×30 bolt 6 47 M10 nut 4

24 L3.1-12.1.2.0 feed tube support 1

Explode Drawing of Unit Assembly of Revolving Part

Details of Unit Assembly of Revolving Part

No. Code/ spec Description Qt. No Code/ spec Description Qt.

1 M8×25 screw 6 32 δ0.5 gasket 1

2 L3.1-1.1 retainer ring 1 33 L3.1-1.10.5 bearing cover 1

3 L3.1-1.2 main pulley 1 34 M8×25 screw 8

4 M8×20 screw 16 35 3.55×180 O-ring 1

5 L3.1-1.3 baffle ring 2 36 125 retainer ring 1

6 L3.1-1.5 bushing 1 37 L4.3-1.10.2 discharge bushing 10






7 M10×30 screw 12 38 M12×40 screw 18

8 L3.1-1.4 bearing cover 2 39 L3.1-1.9.2 tapered bowl 1

9 L3.1-1.6 thrust ring 2 40 L3.1-1.9.3 straight bowl 1

10 6220 bearing 1 41 L3.1-1.9.6 big end semi-shaft 1

11 L3.1-1.7.0 pillow block 2 42 M12×40 screw 18

12 L3.1-1.7.1 T-bolt 8 43 C14×80 key 1

13 L3.1-1.8 baffle ring 2 44 M16×20 holding screw 2

14 B14×117 key 1 45 M16×20 screw 2

15 L3.1-1.9.1 small end

semi-shaft

1 46 L3.1-1.9.5 mud slinger 1

16 M12×40 screw 16 47 M6×16 screw 2

17 M8×25 screw 6 48 L3.1-1.9.4 dam 6

18 L3.1-1.10.1 cover 1 49 M8×25 screw 30

19 FB90×115×12 lip seal 2 50 A12×60 pin 4

20 6016 bearing 1 51 M10 eyebolt 4

21 L3.1-1.10.6 spacer 1 52 M10×1 grease nipple 2

22 FB75×100×10 lip seal 2 53 M24 nut 8

23 L3.1-1.10.2.0 screw conveyor 1 54 24 spring washer 8

24 M8×25 screw 6 55 NU220 bearing 1

25 L3.1-1.10.3 grease cup 1 56 3.55×170 O-ring 2

26 δ1 gasket 1 57 L3.1-1.11 spline shaft 1

27 L3.1-1.10.4 bearing house 1 58 M16×40 screw 8

28 M12×60 screw 8 59 L3.1-1.12 gearbox adaptor 1

29 7016 bearing 1 60 L3.1-1.13 retainer ring 1

30 NA4918 bearing 1 61 M8×25 screw 6

31 FB105×130×12 lip seal 2 62 300NGW-57 gearbox 1

lw355 x1257-n high speed centifuge.pdf

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