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FGD Pump

DSC(R) Series FGD Pump

General

Type DsC(R) FGD pump is a single-stage, single-suction, horizontal, centrifugal pump. It is mainly used as the circulating pump for the absorbent tower in FGD applications. It has such features: wide range capacity, high efficiency, etc . This series of pumps with a compact structure can save much space. Meanwhile, our company develops many kinds of materials targeted at the pump for FGD.

General

Type DsC(R) FGD pump is a single-stage, single-suction, horizontal, centrifugal pump. It is mainly used as the circulating pump for the absorbent tower in FGD applications. It has such features: wide range capacity, high efficiency, etc . This series of pumps with a compact structure can save much space. Meanwhile, our company develops many kinds of materials targeted at the pump for FGD.

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Product Details

Model Implication

 

Features

Wetted parts of the pump adopt an advanced hydraulic model.lt is optimised by CFD flow simulation analysis technology for design reliability and high running efficiency.
Adjusting the bearing assembly can change the impeller position in the volute, which can keep the pump unit in a state of high-efficiency operation.
The pump is a back-pullout construction, it has easy construction and simplifies maintenance. It can be disassembled without dismantling the suction & discharge pipes.
Double-row taper roller bearings are fitted on the pump end, and roller bearings are fitted on the drive end. Bearings are
lubricated by oil, which can modify bearing working conditions and increase the wear life of bearings.
A special cartridge mechanical seal is used for the FGD process with reliable operation.

Material Adopted
Our company developed a special kind of new material, duplex phase stainless white iron on the FGD device. The material has anti-corrosive properties of duplex stainless steel and anti-abrasive properties of high chrome white iron, so that it has remarkable anti-abrasive and anti-corrosive properties in the FGD process.
Pump casing, pump cover, and joint plate are bearing pressure parts that are made of ductile iron.
Rubber-lined pump: Impeller, cover plate, and liner insert are made of duplex phase stainless white iron. Front liner, back liner, frame plate liner insert material is natural rubber, which has good anti-corrosive property with lightweight, low cost.
Metal-lined pump: impeller, volute liner, cover plate liner insert, frame plate liner insert are made of duplex stainless steel. The suction cover is made of ductile iron with rubber stuck.
 

Construction of Type DSC(R) FGD Pump

Table 1

Item No. Part Name Material Item No. Part Name Material
1 Base ------- 7 Suction Cover QT500-7+Rubber or H59
2 Impeller Release Collar Stainless Steel 8 Impeller H59
3 Shaft Sleeve ZG0Cr18Ni12Mo2Ti 9 Pump Cover QT500-7
4 Mechanical Seal ----- 10 Back Liner N.R.+A3
5 Frame Plate Liner Insert A3N.R.+A3 11 Pump Casing QT500-7
6 Front Liner A3N.R.+A3 12 Joint Plate QT500-7

Table 2

Item No. Part Name Material Item No. Part Name Material
1 Base ------ 7 Cover Plate Liner Insert H59
2 Impeller Release Collar Stainless Steel 8 Impeller H59
3 Shaft Sleeve ZG0Cr18Ni12Mo2Ti 9 Suction Cover QT500-7+Rubber or H59
4 Mechanical Seal ------ 10 Pump Cover QT500-7
5 Frame Plate Liner Insert H59 11 Pump Casing QT500-7
6 Volute Liner H59 12 Joint Plate QT500-7

 

Section Chart of Type DSC(R) FGD Pump

 

 

 

Performance Parameter of Type DSC(R) FGD Pump

Type Capcity(Q) Head(H) Speed(n) Efficiency ŋ NPSH Discharge Dia./suction Dia.
m3/h L/s m R/min. % m (mm/mm)
500DSC(R) 3900 1083 26 740 85 5 500/500
600DSC(R) 6300 1750 26 650 88 4.1 600/700
700DSC(R) 7600 2111 27 560 87 4.3 700/800
800DSC(R) 9800 2722 27 550 90 5.2 800/900

Outline and Installation Dimension of Type DSC(R) FGD Pump

 
 
 
Type A BB B D E1 E2 F* h1 h2 J K M* L1 L2 d Weight(kg)
500DSC(R) 1773 1000/960 850 652 110 51 595 35 40 120 210 421 150 400 f42/f40 4000
600DSC(R) 1855 960 850 670 110 50 667 35 40 120 284 525 330 610 f39 4580
700DSC(R) 2315 1300 1100 895 130 75 768 40 45 150 355 583 375 720 f51 7280
800DSC(R) 2460 1300 1100 885 135 75 933 40 45 150 355 712 550 800 f51 8300

 

Type N P1 P2 Q* T1* T2* U1 U2 DO2 DI2 n2 d2 DPC2 DO1 DI1 n1 d1 DPC1
500DSC(R) 580 950 500 665 60 44 735 946 715 500 20 33 650 715 500 18 33 350
600DSC(R) 700 1050 500 775 48 40 901 1155 910 600 24 30 840 840 600 18 36 770
700DSC(R) 780 1290 700 930 68 60 1080 1350 1025 768 24 40 950 1025 700 22 40 950
800DSC(R) 930 1400 700 985 62 62 1141 1493 1125 900 28 40 1050 1125 800 26 40 1050
 

Model Implication

 

Features

Wetted parts of the pump adopt an advanced hydraulic model.lt is optimised by CFD flow simulation analysis technology for design reliability and high running efficiency.
Adjusting the bearing assembly can change the impeller position in the volute, which can keep the pump unit in a state of high-efficiency operation.
The pump is a back-pullout construction, it has easy construction and simplifies maintenance. It can be disassembled without dismantling the suction & discharge pipes.
Double-row taper roller bearings are fitted on the pump end, and roller bearings are fitted on the drive end. Bearings are
lubricated by oil, which can modify bearing working conditions and increase the wear life of bearings.
A special cartridge mechanical seal is used for the FGD process with reliable operation.

Material Adopted
Our company developed a special kind of new material, duplex phase stainless white iron on the FGD device. The material has anti-corrosive properties of duplex stainless steel and anti-abrasive properties of high chrome white iron, so that it has remarkable anti-abrasive and anti-corrosive properties in the FGD process.
Pump casing, pump cover, and joint plate are bearing pressure parts that are made of ductile iron.
Rubber-lined pump: Impeller, cover plate, and liner insert are made of duplex phase stainless white iron. Front liner, back liner, frame plate liner insert material is natural rubber, which has good anti-corrosive property with lightweight, low cost.
Metal-lined pump: impeller, volute liner, cover plate liner insert, frame plate liner insert are made of duplex stainless steel. The suction cover is made of ductile iron with rubber stuck.
 

Construction of Type DSC(R) FGD Pump

Table 1

Item No. Part Name Material Item No. Part Name Material
1 Base ------- 7 Suction Cover QT500-7+Rubber or H59
2 Impeller Release Collar Stainless Steel 8 Impeller H59
3 Shaft Sleeve ZG0Cr18Ni12Mo2Ti 9 Pump Cover QT500-7
4 Mechanical Seal ----- 10 Back Liner N.R.+A3
5 Frame Plate Liner Insert A3N.R.+A3 11 Pump Casing QT500-7
6 Front Liner A3N.R.+A3 12 Joint Plate QT500-7

Table 2

Item No. Part Name Material Item No. Part Name Material
1 Base ------ 7 Cover Plate Liner Insert H59
2 Impeller Release Collar Stainless Steel 8 Impeller H59
3 Shaft Sleeve ZG0Cr18Ni12Mo2Ti 9 Suction Cover QT500-7+Rubber or H59
4 Mechanical Seal ------ 10 Pump Cover QT500-7
5 Frame Plate Liner Insert H59 11 Pump Casing QT500-7
6 Volute Liner H59 12 Joint Plate QT500-7

 

Section Chart of Type DSC(R) FGD Pump

 

 

 

Performance Parameter of Type DSC(R) FGD Pump

Type Capcity(Q) Head(H) Speed(n) Efficiency ŋ NPSH Discharge Dia./suction Dia.
m3/h L/s m R/min. % m (mm/mm)
500DSC(R) 3900 1083 26 740 85 5 500/500
600DSC(R) 6300 1750 26 650 88 4.1 600/700
700DSC(R) 7600 2111 27 560 87 4.3 700/800
800DSC(R) 9800 2722 27 550 90 5.2 800/900

Outline and Installation Dimension of Type DSC(R) FGD Pump

 
 
 
Type A BB B D E1 E2 F* h1 h2 J K M* L1 L2 d Weight(kg)
500DSC(R) 1773 1000/960 850 652 110 51 595 35 40 120 210 421 150 400 f42/f40 4000
600DSC(R) 1855 960 850 670 110 50 667 35 40 120 284 525 330 610 f39 4580
700DSC(R) 2315 1300 1100 895 130 75 768 40 45 150 355 583 375 720 f51 7280
800DSC(R) 2460 1300 1100 885 135 75 933 40 45 150 355 712 550 800 f51 8300

 

Type N P1 P2 Q* T1* T2* U1 U2 DO2 DI2 n2 d2 DPC2 DO1 DI1 n1 d1 DPC1
500DSC(R) 580 950 500 665 60 44 735 946 715 500 20 33 650 715 500 18 33 350
600DSC(R) 700 1050 500 775 48 40 901 1155 910 600 24 30 840 840 600 18 36 770
700DSC(R) 780 1290 700 930 68 60 1080 1350 1025 768 24 40 950 1025 700 22 40 950
800DSC(R) 930 1400 700 985 62 62 1141 1493 1125 900 28 40 1050 1125 800 26 40 1050
 
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