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Product details
K. Application of DK mine energy-saving fan:
This series of fans is specifically designed to meet the needs of various non coal mines such as metallurgy, non-ferrous metals, gold, chemical, building materials, and nuclear industries. They can be used as main and auxiliary fans, and can be installed on the surface or underground. They are suitable for multi fan joint operation and are ideal fans for various levels of fan stations in multi fan series parallel multi-stage ventilation systems. They are also suitable for ventilation and air exchange in large workshops, tunnels, civil defense projects, and other occasions.
Main structural characteristics of the fan:
1. Adopting twisted wing shaped blades, the aerodynamic efficiency is high and the energy-saving effect is extremely significant.
2. Diverse performance and complete specifications, it can be well matched with ventilation networks of various resistance and air volume types, and can maintain long-term efficient operation.
3. Equipped with a stabilizing ring device, the characteristic curve has no hump, no surge danger, and can operate safely and stably under any resistance state, suitable for multi fan joint operation.
4. The structure adopts a direct connection between the electric motor and the impeller, with good overall stability, easy installation, easy maintenance, and low local resistance of the device.
5. Compact structure and good moisture resistance. The main body of the fan adopts a welded structure of steel plate and section steel, and the blades are made of steel plate material, hollow. The blades and the whole machine have high strength and strong resistance to underground blasting shock waves. They can be installed on the surface and are also suitable for installation underground, especially as fan stations for multi-stage ventilation systems.
6. Reversible reverse wind, with a reverse wind rate greater than 60%, does not require the construction of a reverse air duct.
7. The installation angle of the blades can be adjusted, and the fan condition can be adjusted at any time according to the changes in mine production.
8. The amount of civil engineering work is very small, which can save a lot of investment.
9. Low noise
This product consists of mining energy-saving fans such as DK40, DK45, K40, K45, etc. The K40 and K45 series auxiliary fans adopt the simplest transmission structure of direct connection between the motor and the impeller, consisting of components such as the collector, main body, and diffuser. Adopting a new type of high-efficiency wing shaped twisted blade, with adjustable installation angle, and installing a stabilizing ring device to ensure that the aerodynamic performance curve has no hump, the base can be equipped with axially movable wheels. Therefore, it has the advantages of high efficiency, low noise, wide coverage, stable performance, simple structure, easy installation, and convenient use. The DK40 and DK45 series main fans are connected by two K40 and K45 fans of the same model and power, and the two-stage impellers rotate in opposite directions to form a counter rotating structure. Compared with the long axis transmission type main fan, they have the advantages of high operating efficiency, low operating resistance, and saving civil engineering investment, and have significant energy-saving effects.
K. DK series mine energy-saving fan performance:
(1) Serial number: No. 7 to No. 26;
(2) Series speed: 1450, 980, 730 r/min;
(3) Airflow range: 2.0~164.2m3/s;
(4) Full pressure range: 38-3819pa;
(5) Power range: 1.1-500kW;
(6) Fan efficiency: K-type single-stage total pressure efficiency η=94%, DK type counter rotating static pressure efficiency η=86%;
(7) Operating noise: LA≤85dB（A）。
K. DK mine energy-saving fan parameters:
Performance parameter table of K40 mining energy-saving ventilation fan:
|
Machine number
|
Speed r/min
|
Airflow m ³/s
|
Total pressure Pa
|
Power (kW)
|
|
7
|
980
|
2.0～4.3
|
38~174
|
1.1
|
|
8
|
1450
|
4.4～9.5
|
108~497
|
5.5
|
|
980
|
3.0～6.4
|
49~227
|
2.2
|
|
|
9
|
1450
|
6.2～13.5
|
136~629
|
11
|
|
980
|
4.2～9.1
|
62~287
|
3
|
|
|
10
|
1450
|
8.5～18.6
|
168~776
|
15
|
|
980
|
5.8～12.5
|
77~355
|
5.5
|
|
|
11
|
1450
|
11.3～24.7
|
203~9390
|
30
|
|
980
|
7.7～16.7
|
93~429
|
7.5
|
|
|
730
|
5.7～12.4
|
52~238
|
4
|
|
|
12
|
1450
|
14.7～32.1
|
242~1118
|
37
|
|
980
|
9.9～21.7
|
111~510
|
15
|
|
|
730
|
7.4～16.1
|
61~283
|
5.5
|
|
|
13
|
1450
|
18.7～40.8
|
284~1312
|
55
|
|
980
|
12.6～27.5
|
130~599
|
18.5
|
|
|
730
|
9.4～20.5
|
72~332
|
7.5
|
|
|
14
|
1450
|
23.4～50.9
|
329~1521
|
90
|
|
980
|
15.8～34.4
|
150~695
|
30
|
|
|
730
|
11.8～25.6
|
84~386
|
11
|
|
|
15
|
1450
|
28.7～62.6
|
378~1746
|
110
|
|
980
|
19.4～42.3
|
173~798
|
37
|
|
|
730
|
14.5～31.5
|
96~443
|
15
|
|
|
16
|
980
|
23.6～51.4
|
197~908
|
55
|
|
730
|
17.6～38.3
|
109~504
|
22
|
|
|
17
|
980
|
28.3～61.6
|
222~908
|
75
|
|
730
|
21.1～45.9
|
123~568
|
30
|
|
|
18
|
980
|
33.6～73.1
|
249~1149
|
90
|
|
730
|
25.0～54.5
|
138~637
|
37
|
|
|
19
|
980
|
39.5～86.0
|
277~1280
|
110
|
|
730
|
29.4～64.1
|
154~710
|
55
|
|
|
20
|
980
|
46.0～100.3
|
307~1418
|
160
|
|
730
|
34.3～74.7
|
170~787
|
75
|
|
|
21
|
980
|
53.3～116.1
|
339~1563
|
200
|
|
730
|
39.7～86.5
|
188~867
|
90
|
|
|
22
|
980
|
61.3～113.4
|
372~1716
|
250
|
|
730
|
45.7～99.4
|
206~952
|
110
|
|
|
23
|
730
|
52.2～113.6
|
225~1041
|
132
|
|
24
|
730
|
59.3～129.1
|
245~1133
|
160
|
|
25
|
730
|
67.0～146
|
266~1229
|
200
|
|
26
|
730
|
75.4～164.2
|
288~1330
|
250
|
Performance parameter table of K45 mining energy-saving ventilation fan:
|
Machine number
|
Speed r/min
|
Airflow m ³/s
|
Total pressure Pa
|
Power (kW)
|
|
7
|
980
|
3.0～5.7
|
125~240
|
1.5
|
|
8
|
1450
|
6.6～12.5
|
357~685
|
7.5
|
|
980
|
4.5～8.4
|
163~313
|
3
|
|
|
9
|
1450
|
9.5～17.8
|
452~867
|
15
|
|
980
|
6.4～12.0
|
207~396
|
5.5
|
|
|
10
|
1450
|
13.0～24.0
|
558~1071
|
30
|
|
980
|
8.7～16.5
|
255~489
|
7.5
|
|
|
11
|
1450
|
17.3～32.6
|
675~1295
|
45
|
|
980
|
11.6～22.0
|
309~592
|
15
|
|
|
12
|
1450
|
22.5～42.3
|
804~1542
|
75
|
|
980
|
15.1～28.5
|
367~704
|
18.5
|
|
|
13
|
1450
|
28.6～53.8
|
943~1810
|
90
|
|
980
|
19.2～36.3
|
431~827
|
30
|
|
|
14
|
1450
|
35.7～67.2
|
1094~2099
|
132
|
|
980
|
23.9～45.3
|
500~959
|
45
|
|
|
15
|
1450
|
43.9～82.6
|
1256~2409
|
200
|
|
980
|
29.4～55.7
|
574~1101
|
55
|
|
|
16
|
980
|
35.7～67.6
|
653~1252
|
90
|
|
17
|
980
|
42.8～81.1
|
737~1414
|
110
|
|
18
|
980
|
50.9～96.2
|
826~1585
|
160
|
|
19
|
980
|
59.8～113.2
|
920~1766
|
200
|
|
20
|
980
|
69.8～132.0
|
1019~1956
|
250
|
Performance parameter table of DK40 mining energy-saving ventilation fan:
|
Machine number
|
Speed r/min
|
Air volumem³/s
|
Total pressure Pa
|
Power (kW)
|
|
15
|
980
|
18.2～43.6
|
382~1690
|
2×37
|
|
16
|
980
|
22.1～52.9
|
435~1923
|
2×55
|
|
17
|
980
|
26.5～63.5
|
491~2171
|
2×75
|
|
18
|
980
|
31.5～75.4
|
551~2433
|
2×90
|
|
730
|
23.5～56.1
|
306~1350
|
2×37
|
|
|
19
|
980
|
37.0～88.6
|
614~2711
|
2×132
|
|
730
|
27.6～66.0
|
341~1504
|
2×55
|
|
|
20
|
980
|
43.2～103.4
|
680~3004
|
2×160
|
|
730
|
32.2～77.0
|
377~3334
|
2×75
|
|
|
21
|
980
|
50.0～119.7
|
750~3312
|
2×200
|
|
730
|
37.3～89.1
|
416~1838
|
2×90
|
|
|
22
|
730
|
42.8～102.5
|
457~2017
|
2×110
|
|
23
|
730
|
48.9～117.1
|
499~2204
|
2×132
|
|
24
|
730
|
55.6～133.0
|
543~2400
|
2×160
|
|
25
|
730
|
62.9～150.4
|
589~2605
|
2×200
|
Performance parameter table of DK45 mining energy-saving ventilation fan
|
Machine number
|
Speed r/min
|
Airflow m ³/s
|
Total pressure Pa
|
Power (kW)
|
|
12
|
980
|
10.7～27.6
|
698~1374
|
2×22
|
|
13
|
980
|
13.6～35.0
|
819~1613
|
2×37
|
|
14
|
980
|
17.0～43.8
|
950~1871
|
2×55
|
|
15
|
980
|
20.9～53.8
|
1091~2148
|
2×75
|
|
16
|
980
|
25.4～65.3
|
1241~2444
|
2×90
|
|
730
|
18.9～48.7
|
688~1356
|
2×37
|
|
|
17
|
980
|
30.4～78.3
|
1400~2759
|
2×132
|
|
730
|
22.7～58.4
|
777~1531
|
2×55
|
|
|
18
|
980
|
36.1～93.5
|
1570~3093
|
2×160
|
|
730
|
26.9～69.3
|
871~1716
|
2×75
|
|
|
19
|
980
|
42.5～109.4
|
1750~3446
|
2×200
|
|
730
|
31.6～81.5
|
971~1912
|
2×90
|
|
|
20
|
980
|
49.5～127.6
|
1939~3819
|
2×250
|
|
730
|
36.9～95.1
|
1076~2119
|
2×110
|
|
|
21
|
730
|
42.7～110.1
|
1186~2336
|
2×160
|
|
22
|
730
|
49.1～126.6
|
1302~2563
|
2×200
|
Attention: Please confirm and indicate the fan number, air volume, speed, pressure, outlet angle, rotation direction, and motor model specifications when placing an order. If there are special requirements, please specify them.
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