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Underground Mining Ventilation Fan

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K series Underground Mining Ventilation Fan developed by the mine energy-saving promotion station of the Ministry of metallurgical industry in the early 1980s, has the unique advantages of high aerodynamic efficiency

Underground Mining Ventilation Fan

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K series Underground Mining Ventilation Fan developed by the mine energy-saving promotion station of the Ministry of metallurgical industry in the early 1980s, has the unique advantages of high aerodynamic efficiency

Product Details

Product Specification

Underground Mining Ventilation Fan

K series Underground Mining Ventilation Fan developed by the mine energy-saving promotion station of the Ministry of metallurgical industry in the early 1980s, has the unique advantages of high aerodynamic efficiency, good matching with ventilation network, and extremely significant energy-saving effect; moreover, the installation angle of the blade is adjustable, the reverse wind can be reversed, and the operation noise is low. At the same time, the structure of direct connection of the motor and the impeller is adopted, which has good overall stability and installation It is convenient, safe and reliable, easy to maintain, and low local resistance of the device. As the main fan, its civil work volume of the device is very small, which can save a lot of investment. It is suitable for underground installation, and is the most ideal fan in the multistage fan station ventilation system.

K series mining energy-saving fans are widely used in metallurgy, nonferrous metals, gold, chemical industry, building materials, nuclear industry and other system mines. K series mining energy-saving fans mainly include JK, DJK series local fans, K, DK series main fans and auxiliary fans. The new generation of K, DK series mining energy-saving fans are equipped with a steady flow ring device, with no hump on the characteristic curve, higher efficiency, better performance, better specification and wider application range. All kinds of non coal mines, large, medium and small, can be selected from the main fan, auxiliary fan, local fan and fan station fans.

JK series Underground Mining Ventilation partial fans with high efficiency, energy saving and low noise are designed according to the needs of partial ventilation in various non coal mines, such as metallurgy, non ferrous, gold, chemical industry, building materials and nuclear industry. They are applicable to the ventilation of roadway excavation, induced draft of stop and electric harrow, drift ventilation of sublevel mining without bottom pillar, local ventilation and some auxiliary ventilation 。 It can also be used in tunnel construction, underground engineering construction and other occasions requiring air supply by air duct.

The design of JK series local fans comprehensively considers the air volume of dust and coal exhaust, air supply distance of air duct, specifications of commonly used air duct, air resistance value, and service conditions in the mine, etc. required by various local ventilation operations. JK series local fans are divided into three categories: single pole working wheel jk-1no, double stage working wheel jk-2no and counter rotating operation DJK. Among them, jk40 series local fans and djk50 series counter rotating local fans can be directly installed on the roadway floor, or hung on the side wall or under the roof of the roadway.

JK series characteristics

(1) High operation efficiency. The highest total pressure efficiency of single-stage and double-stage working wheels is 92% and 83% respectively, and the highest total pressure efficiency of counter rotating type is 85%, which is 20-30% higher than the original JF series local fans, and has obvious power saving effect.

(2) It has complete regulations and strong adaptability. There are different combinations of air volume and total pressure value of local fans. The air supply distance varies from 80m to 600m (the air supply distance for series operation can be over 1200m), which can meet different needs of users.

(3) Small size, light weight, flexible and convenient movement. When its performance is basically the same as that of JF series local fans, its volume and weight are reduced by 20-30% and 20-30% respectively.

(4) Low noise. The noise of jkno. 4 local fan measured in open space shall not exceed 86db (a). If you have special requirements for the noise of local fans, our factory can provide a complete set of mufflers. Please make an explanation when ordering.

The motors of JK and DJK series local fans are 2 poles, and the speed is 2860~2930r/min.

 

Type Power(kw) Air volume (m³/s) Total pressure(Pa) Mini. air duct diameter

(mm)

Air supply distance(m) Size(mm)
D L H
JK58-1№3 1.5 0.9-1.4 928-575 300 80 390 486 230
JK58-1№3.5 3 1.5-2.4 1263-752 350 150 450 562 260
JK58-1№4 5.5 2.2-3.5 1648-1020 400 200 520 649 290
JK58-1№4.5 11 3.1-5.0 2093-1295 450 300 585 728 320
JK58-2№4 11 2.2-3.5 2923-1811 400 400 520 877 290
JK55-2№4.5 11 3.0-5.2 2276-1811 450 300 543 704 275
JK55-1№5 11 4.2-6.6 1726-1324 450 200 600 535 400
JK56-1№3.15 2.2 1.4-2.1 853-588 300 80 374 634 193
JK56-1№4 4 0.1-3.4 1275-981 400 150 477 682 240
JK67-1№4.5 7.5 2.6-4.2 2256-1177 400 250 540 760 270
JK67-2№4.5 11 2.8-4.3 3237-1471 400 400 540 860 270
BJK67-1№.25 30 4.0-6.3 3776-2648 500 600 620 1364 310
JK40-1№5.5 5.5 4.3-5.1 633-475 550 120 720 3800 337
JK40-1№6.5 11 7.1-8.4 884-663 650 140 742 3800 396
JK40-1№7 15 8.8-10.5 1025-769 700 140 795 4100 425
JK40-1№7.5 22 10.9-12.9 1177-883 750 150 824 4100 455
JK40-1№8 30 13.2-15.6 1339-1005 800 150 848 4350 485
DJK50-№5.5 2×5.5 4.8-5.8 1182-515 550 180 948 3800 337
DJK50-№6.5 2×11 7.9-9.5 1651-719 650 200 1120 3800 396
DJK50-№7 2×15 9.9-11.9 1915-834 700 200 1207 4100 425
DJK50-№7.5 2×22 12.2-14.6 2198-957 750 220 1293 4100 455
DJK50-№8 2×30 14.8-17.8 2501-1089 800 220 1340 4350 485
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