
High Temperature Certification of Large Tunnel Ventilation Fans
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Extraction-type local ventilator under the mine:
The FCD series includes 18 machine numbers. For detailed information, please refer to the structure diagram of the FCD series of coal mine extraction-type counter-rotating axial flow partial ventilator. The aerodynamic performance parameters under the standard conditions are shown in Table 1.
d, The composition of the model and its representative meaning
For example

When the ventilator is not in use, it should be placed in a place where the air is circulated and dry to prevent the motor from getting damp and corrosion and other damage of the whole machine. If the motor is damp, it must be dried.
Generally, the whole machine is transported. If it is needed to be disassembled for transportation, it should be ensured that the parts of the ventilator are not damaged.
The aerodynamic performance parameters of the FCD series of extraction type counter-rotating partial ventilator under the standard conditions
Serial no. | Machine no. | Air volume (m3/s) | Full pressure (Pa) | Voltage (V) | Power (KW) |
1 | 4 | 136-72 | 241-2021 | 380/660 | 2.2×2 |
2 | 4 | 115-86 | 341-2126 | 3×2 | |
3 | 5 | 174-102 | 231-2203 | 4×2 | |
4 | 5 | 200-120 | 220-2672 | 5.5×2 | |
5 | 5 | 245-155 | 380-3130 | 7.5×2 | |
6 | 5.6 | 270-124 | 354-3565 | 7.5×2 | |
7 | 5.6 | 310-186 | 350-3850 | 11×2 | |
8 | 5.6 | 395-350 | 400-4100 | 15×2 | |
9 | 6.3 | 420-240 | 350-4600 | 15×2 |
Ventilator product implementation standards
No. | Standard number | Standard name | Note |
1 | GB /T1236 | Industrial ventilators Performance testing is processed with standardized air ducts | |
2 | GB/T 2888 | Fan and Roots blower noise measurement method | |
3 | JB/T8690 | Industrial ventilators Noise limit | |
4 | JB/T 4296 | Axial flow ventilators for mine ventilations | |
5 | GB/T10111 | Method for random sampling using random number dice | |
6 | GB/T3235 | Basic type, size parameters, and performance curve of ventilators | |
7 | GB/T13306 | Label | |
8 | GB/T21151 | Axial main ventilators for coal mine technical conditions | |
9 | MT222 | Local ventilator for coal mine technical conditions | |
10 | MT754 | Pull-out axial flow ventilator for small coal mine ground technical conditions | |
11 | Q/BFJ001 | Explosion-proof, compression-type and counter-rotating axial flow local ventilator for FBD series mine technical conditions | |
12 | Q/BFJ002 | Pull-out axial flow ventilator for FBCZ series coal mine ground | |
13 | Q/BFJ003 | Explosion-proof, pull-out type rotary axial flow ventilator for FBCZ series coal mine ground | |
14 | Q/BFJ004 | Explosion-proof, pull-out type rotary axial flow local ventilator for FBCD series mine technical conditions | |
15 | Q/BFJ006 | Axial flow ventilator for K series mine technical conditions | |
16 | JB/T6445 | Ventilator impeller overspeed test | |
17 | JB/T 6885 | Ventilator round flange size | |
18 | JB/T 6886 | Ventilator coating technical conditions | |
19 | JB/T 6887 | Cast iron parts for ventilator technical conditions | |
20 | JB/T 6888 | Cast steel parts for ventilator technical conditions | |
21 | JB/T8689 | Ventilator vibration detection and its limits | |
22 | JB/T7565.5 | Explosion-proof three-phase asynchronous motor technical conditions | |
23 | JB/T9101 | Ventilator rotor balance | |
24 | JB/T10213 | Ventilator welding quality inspection technical conditions | |
25 | JB/T10214 | Ventilator welding technology requirements | |
26 | GB191 | Packaging storage and transportation mark | |
27 | GB755 | Basic technical requirements for rotating electrical machines | |
28 | GB977 | Motor structure and installation form code | |
29 | GB1971 | Motor line end mark and direction of rotation | |
30 | GB4992.1 | Motor housing grading | |
31 | GB7251 | Low-voltage switchgear | |
32 | GB3906 | 3~35KV AC metal-enclosed switchgear |
For the problem of heat dissipation of the motor in the cyclone
The working environment of the fan (containing a large amount of gas and coal dust, gas humidification) determines that the motor cannot be cooled by the air flow of the fan, and the motor must also be isolated from the explosive gas in the extraction-type local ventilator under the mine.

Extraction-type localventilatorsr under the mine can be called the lungs of coal mines "The operation efficiency and reliability of mine fans are the focus of coal mines. Due to the aging of local old mine fans, low operating efficieny, is gradually replaced by high-efficiency and energy-saving fans, a variety of fans came into being, the cyclone is the introduction of foreign 80s new technology after digestion and absorption of mining fans to develop and produce the replacement of products. It is favored by coal mines for its characteristics of high pressure, large flow, high efficiency, compact structure and easy wind resistance.



'Truth and honesty' is our management ideal for High Temperature Certification of Large Tunnel Ventilation Fans. Our quality assurance system operates reliably, and the product quality level and output are at the forefront of the industry. We sincerely hope that we will continue to cooperate with the vast number of users and all walks of life in order to advance hand in hand and develop together from now on.
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