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QDT Series Submersible Flow Propeller

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Introduction

QDT type Submersible flow propeller is extensively used for the oxidizing flow propelling and agitation in various types of biochemical tanks during the water treatment process, also can be used for river frost protection and, landscape water circulation etc.. The low-speed flow propeller consists of submersible motor, speed-reducing device, blades, and installation system etc. The product is characterized by low power (1.5-9KW), low rotate speed (34~85rpm), large diameter of the blades (1100-3000mm),low- speed rotation, production of large-volume flow field and wide scope of service. The sweptback, banana-shaped blades have self- cleaning function, which is finishing cast with PU or glass fibre reinforced plastics and highlighted by light weight, high strength, and good anticorrosion etc. The excellent frictional property can ensure the a good damping effectiveness with the fluid in low speed movement status to produce gradual water flow.


Structure

Besides the flow propelling and producing water flow, this series of products also have mixing function as shown in the drawing:

Application

The submersible mixers are mainly used for mixing, agitating and making ring flows in the process of municipal and industrial sewage treatment and can also be used for equipment maintenance of the landscape water circulation; through agitation, they can achieve the function of creating water flow, improving water quality, increasing oxygen content in the water and effectively preventing the sedimentation of the suspended substances. 


Performance Parameters

The performance parameters of the submersible mixer are shown in the following table with the rated voltage of 380v and the frequency of 50Hz: 

Model 

Motor Power 

Rated Current

rpm of Impeller

Diameter of Impeller

Thrust 

Weight 

(kW)

(A)

r/min

(mm )

(N )

(Kg) 

QDT2.2/4-1100/2-87/P

2.2

5.3

87

1100

1970

184

QDT3/4-1100/2-115/P

3

7.2

115

1100

2410

184

QDT4/4-1100/2-135/P

4

9.2

135

1100

2930

184

QDT1.5/4-1400/2-48/P

1.5

3.9

48

1400

1200

180

QDT2.2/4-1400/2-56/P

2.2

5.3

56

1400

1640

180

QDT3/4-1400/2-63/P

3

9.2

63

1400

2180

180

QDT1.5/4-1600/2-48/P

1.5

3.98

48

1600

1320

184

QDT3/4-1600/2-56/P

3

7.2

56

1600

2140

184

QDT4/4-1600/2-/63/P

4

9.2

63

1600

2520

184

QDT1.1/4-1800/2-38/P

1.1

3

38

1800

1160

186

QDT1.5/4-1800/2-42/P

1.5

3.9

42

1800

1480

186

QDT2.2/4-1800/2-48/P

2.2

5.3

48

1800

1880

186

QDT3/4-1800/2-56/P

3

7.2

56

1800

2365

186

QDT4/4-1800/2-63/P

4

9.2

63

1800

2750

186

QDT1.5/4-2200/2-38/P

1.5

3.9

38

2200

1400

210

QDT2.2/4-2200/2-42/P

2.2

5.3

42

2200

1810

210

QDT3/4-2200/2-48/P

3

7.2

48

2200

2140

210

QDT4/4-2200/2-56/P

4

9.2

56

2200

2780

210

QDT5/4-2200/2-63/P

5

11.9

63

2200

2960

210

QDT1.5/4-2500/2-36/P

1.5

3.9

36

2500

1430

220

QDT3/4-2500/2-38/P

3

7.2

38

2500

2090

220

QDT4/4-2500/2-42/P

4

9.2

42

2500

2850

220

QDT5/4-2500/2-56/P

5

11.9

56

2500

3090

220

QDT7.5/4-2500/2-63/P

7.5

16.6

63

2500

4330

270

Notes:

1 Winding insulation class of the motor: Class F; Protective grade; IP68;Operating mode of the motor:Operation for 24 hours. 

2 We can supply the motor with class H winding insulation. 


Installation Diagram


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