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Mining Press-in Local Ventilator

  • Price:

    Negotiable

  • minimum:

  • Total supply:

  • Delivery term:

    The date of payment from buyers deliver within days

  • seat:

    Shandong

  • Validity to:

    Long-term effective

  • Last update:

    2018-08-17 03:11

  • Browse the number:

    228

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Company Profile

Zibo Hengding Fan Co.,Ltd

By certification [File Integrity]

Contact: hengdingfengji(Mr.)  

Email:

Telephone:

Phone:

Area: Shandong

Address: Shandong

Website: http://www.hengdingfan.com/ http://hengdingfengji.haidajc.com/

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Product details

Mining press-in local ventilator

The structural characteristics and working principle

a, The overall structure and its working principle, working characteristics

This product has two impellers installed close to each other, which are respectively driven by two explosion-proof motors to rotate them in opposite directions. The air flow enters the I-class impeller from the collector end along the axial direction, and after being accelerated, the direction of the air flow is deflected and then flows into theⅡ-class main engine. After being accelerated again by the Ⅱ-class impeller, the direction of the air flow is reversely deflected, and then is discharged from the diffuser end along the axial direction.

b, Main parts, work and working principle

Before starting the ventilator, the gas content within 10m near the ventilator and the switch should be checked. Only when the gas concentration does not exceed 0.5% can the ventilator be started. If the gas exceeds the limit, corresponding measures should be taken.

If the ventilator stops running due to the malfunction during operation, before restarting, the gas concentration in the air duct should be detected. If the gas concentration exceeds the standard, it should be treated according to the“Safety Regulations for Coal Mines”.


The cause analysis and elimination method expression of the malfunction 

Malfunction symptom

Cause analysis

Elimination methods

Remarks

There are friction sounds, impact sounds.

The impeller is loose or the motor is loose, and it deviates from the normal working position.

Reposition and tighten the bolts of the impeller gland or the motor fixed cylinder, and replace the bolts in time once it is found to be damaged.


There is an unusual noise.

The motor bearings are worn and lack of lubricating grease.

Remove the motor, replace with the new bearing, and add the lubricating grease.


The vibration of the casing suddenly increases.

The impeller is with too much dust and soil so it loses balance, or the motor bearing is seriously deficient in oil.

Shut down to clean the impeller surface or clean the motor bearings and add the lubricating grease.


The current suddenly increases.

The air inlet of the fan has foreign objects attached, blocked or the air duct is bent and compressed.

Shut down to clean the foreign objects in the air inlet or straighten out the air duct.


 

Serial no.

Machine no.

Air volume (m3/min)

Full pressure (Pa)

Power (KW)

1

3.5/4.4

133-90

715-1320

2.2×2

2

4/3

111-56

172-1800

1.5×2

3

4/4.4

136-72

251-1880

2.2×2

4

4/6

150-86

351-1956

3×2

5

5/8

210-120

331-2503

4×2

6

5/11

228-132

371-2950

5.5×2

7

5/15

245-150

380-3524

7.5×2

8

5.6/15

274-164

375-3750

7.5×2

9

5.6/22

340-210

405-4418

11×2

10

5.6/30

395-250

450-4470

15×2

11

6.3/30

420-260

413-4950

15×2

12

6.3/37

486-292

513-5130

18.5×2

13

6.3/44

525-310

600-5263

22×2

14

6.3/60

590-390

760-5800

30×2

15

7.1/60

620-396

603-6450

30×2

16

7.1/74

672-480

800-6500

37×2

17

7.1/90

738-400

1100-6700

45×2

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