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Ventilation EquipmentVentilation FanCoal Mine Ventilation FanMine Ventilation Fan
Zibo Hengding Fan Co., Ltd.
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Product Description Product DescriptionIntroductionTo meet the needs of coal mines, the mine energy-saving promotion station of the Ministry of Metallurgy invented the explosion-proof patent technology of the extraction type main fan of the coal mines. The materials used in the machine have passed the friction spark test of the Test Center of China Coal Research Institute Chongqing Branch and achieved the explosion-proof requirements. The explosion-proof performance of the whole machine has passed the explosion-proof inspection of the China National Quality Supervision and Test Centre for Explosion-Protected Electrical Products. It introduces the FBCDZ (formerly BDK62) series of coal mine ground explosion-proof extraction-type counter-rotating axial flow ventilator, which has better performance, more specifications, and larger coverage. The product is subject to the standards of Q / ZFJ001-2004 the Technical Conditions of the FBCDZ (formerly BDK62) Series of Coal Mine Ground Explosion-proof Extraction Type Counter-rotating Axial Flow ventilator.Characteristics1. To meet the resistance requirements of the coal mine ventilation network and ensure the efficiency of the ventilator, the machine adopts the counter-rotating structure, that is, two sets of the same model of fans are connected, and the rotation direction of the impellers of the two machines is opposite, which can save the middle guide vane and reduce the loss of the guide vane, thus improving the efficiency.2. The form of the direct connection between the motor and the impeller is adopted, which changes the traditional structure of the long shaft of the mine main fan or the pulley drive, avoiding damage, and accidentsapipeokisTheThis several-outa short of the transmission device, and also eliminates the energy loss of the transmission device and improves the efficiency of the fan device. Due to its simple structure, in addition to regularly filling fuel to the motor bearings, it generally does not require maintenance and can be operated continuously for a long time.3. When the motor power of this series of fans is less than 200 KW, it is equipped with the YBF series with an explosion-proof type motor of the derived series of YB series, and the voltage is 380V, 660V, or 1140V. When the power is above 200 KW, it can be equipped with YBF series of 6000V high voltage explosion-proof energy-saving type motor according to the needs of the mine. The motor is installed in an airtight, cover in the main air duct. The airtight, cover has a certain pressure resistance. It can isolate the motor from the gas contained in the fan flow passage and also has a certain effect of heat dissipation. The airtight, cover is equipped with two rows of the streamlined air pipe, which are interlinked with the ground atmosphere through the main air duct so that fresh air flows into the airtight cover, and at the same time, the air in the cover can maintain a positive pressure state during the operation of the fan. Due to the use of various technical measures in the design, the motor is always working under the condition that the gas concentration is less than 1%, which meets the safety and explosion-proof requirements.4. The highest unit of this series of fans can achieve a static pressure efficiency of 86%, the high-efficiency area is wide, and the static pressure efficiency is more than 70% of 70% or more working area. It can ensure that the efficiency of the main fan of the mine in the three mining stages is all above 75%, which has reversed the low operation efficiency of the main fan of large mines in China and saves a large amount of electric energy.5. A steady flow ring is installed in the main air duct, the performance curve of the fan has no hump, no surge, and it can run stably under any resistance condition. The noise is low. Most models of this product have a noise of less than 90 dB (A) without a muffler. If the user has stricter requirements on noise, the product can be equipped with a muffler when leaving the factory.6. All the blades of this series of fans can be adjusted, which can be divided into five working angles: 45°, 40°, 35°, 30 and 25°. The installation angles of the front and rear stages can be the same, or different, or can be adjusted to run at any angle below 45o. One of the fans can be operated separately, so the adjustable range is extremely wide. In the initial stage of production of the mine, it is ok to run only one class of the fan of it.7. This series of fans are stable in operation and low in machine vibration. And the fans and diffusers are installed on the flatbed truck with wheels, which can run continuously for a long time.8. The reverse wind can be reversed. In various working conditions, the reverse wind rate is all above 60%. There is no need for the reverse air duct, and only a need to build a simple ventilation machine room and an electric control duty room, which can save a lot of infrastructure investment.Specifications and models1. FBCDZ (formerly BDK62) series of fans have a total of 24 machine numbers of NO.14-NO.44. To meet the needs of large and medium-sized mines with various kinds of ventilation network parameters, this series of fans are respectively equipped with 6, 8, 10, 12-pole three-phase asynchronous motors, and two different types of blade number gradations are adopted: that is, the total number of FBCDZ (formerly BDK62) (A) blades is Z = 32 pieces, and the total number of FBDCZ (formerly BDK62) (B) blades is Z = 24 pieces. Through the above combination, the FBCDZ (formerly BDK62) series of fans have a total of 90 specifications. It solves the problem that the main fan model of the mine is small and the selection is difficult.2. The working range of the static pressure efficiency of this series of fans above 70% is Q = 10.1~462.1 m3/S (that is, Q = 606 ~ 2772 m3/min), and the static pressure is Pst = 57.0 ~ 705.7 mmH2O (that is, Pst = 559~ 6921Pa), which can cover the large and medium-sized mines with various kinds of mine ventilation network parameters, the operation static pressure efficiency of which can be all above 75%.3. The representation method of the fan model 4. The explosion-proof type of fan: the explosion-proof type for coal mineThe fan model and the matching motor power determinationIn general, the fan model should be selected according to the most difficult period of ventilation in each stage of mine mining. At the same time, it is also necessary to consider the initial stage of mine, mining which is under the condition of low negative pressure and small air volume, so it should also obtain more than 70% of the operation static pressure efficiency. In this way, it can give full play to the high-efficiency and energy-saving role of the FBCDZ (formerly BDK) series of fans.In the mines with a very great difference in the mine ventilation network parameters in the three stages of mining, in the initial stage of the mining, it is ok to run only one class of the FBCDZ (formerly BDK) series of fans, and the other class can be used as the backup.Under normal circumstances, when the FBCDZ (formerly BDK) fan is selected according to the three stages of mining, the operation efficiency of each stage should be above 75%, of which the most difficult period should be above 80%. Suppose the fan with the above-mentioned operating efficiency cannot be found in the sample. In that case, you can contact our factory to adjust the parameters of the fan to achieve the conditions mentioned above.The motor power marked in Sample Table 2 is the maximum power of this type of fan. In general mine selection, the motor power should be equipped according to the actual ventilation parameters. The calculation method is:N=.K(KW)In which: N- the required motor power, refers to the total power (KW) of the I, II class fans;Pst -the total resistance (Pa) in the most difficult period of the mine;Q-the total air volume (m3/s) in the most difficult period of the mine;ηst - check the actual operation condition efficiency of this sample according to the Pst and Q parameters;K-the power reserve coefficient, generally K = 1.1~1.15;Calculate the total power N according to the above, according to the value of N / 2, and refer to the motor power class series, select and equip with two sets of the same power motor, and must make N+N≤N. It is important to specifically point out that: when a certain model of the fan is selected and is calculated the N value according to the above formula, after selecting the motor N=N, it should be compared with the maximum power of the single motor power given in Table 2. If the value of N=Nis greater than the maximum power of the single motor given in Table 2, then this model of the fan is not applicable, and a larger size of the fan must be selected.If the motor power required in the early and the later stages of the mine are greatly different, it can be compared economically. In the early stage, two motors with smaller power are equipped, and in the later stage, the motors are replaced with high-power ones. In this way, the motors can be operated under the condition of a higher power factor and higher efficiency, to reduce electricity consumption and save electricity costs.The design service life of the FBCDZ (formerly BDK) series of fans is 20 years.InstallationWhen the machine is shipped from the factory, it is the four pieces of the whole machine that leave the factory, which include the I-class fan, -the class fan, the diffuser, and the diffusion tower. The pressure test of the airtight, cover has been carried out by the manufacturer by the technical standard requirements before leaving the factory. Therefore, it is generally not suitable for disassembly. If there is difficulty in moving it and must be disassembled, it can be installed by the on-site guidance of the manufacturer.During the installation, the collector must be placed in fresh air, so that the air inside the airtight cover does not contain gas.The ground of the fan installation site should be flat, and according to the gauge in the sample schematic diagram, the auxiliary steel rail should be set, and the 24-38 Kg /M light rail can be selected and used. The steel rail can be pre-embedded on the cement floor surface or fixed on the sleeper.Test run and operationBefore the fan is installed, the blade should be adjusted first according to the required angle, and all the screws should be tightened. The motor can be refueled at any time during operation. When in operation, the current, the voltage, the motor bearing, and the temperature indicating the instrument of the motor stator should be frequently observed and recorded well. If it exceeds the required index of the technical requirements, it should be immediately stopped for checking.During the overhaul of the machine, the sealing gasket of the airtight, cover should be carefully kept and must not be damaged. Once damaged, it should be purchased from the manufacturer. Product Parameters The performance range and main technical parameters table of the FBCDZ (formerly BDK62) series of explosion-proof axial flow ventilator Series No. Air volume (m3/s)Air volume (m3/s)(Pa)Full pressure(Pa)Motor model Power (KW) FBCDZ(B)- 4(n=1450r/min)129.6-29.0860-3400YBF250M-42×551312.2-37.01010-4000YBF280M-42×901415.2-45.61170-4630YBF315M-42×132FBCDZ(A)-6(n=980r/min)1410.1-31.7918-2888YBF280M-62×551512.4-39.01054-3315YBF315S-62×751615.0-47.31199-3772YBF315L1-62×1101718.0-56.81353-4258YBF315L2-62×1321821.4-67.41517-4774YBF355M2-62×1851925.1-79.31690-5319YBF355L1-62×2202029.3-92.51873-5893YBF355L2-62×2502133.9-107.02065-6497YBF450M1-62×355FBCDZ(A)-8(n=740r/min)1713.6-42.9772-2428YBF315S-82×551816.1-50.9865-2722YBF315M-82×751919.0-60.0964-3033YBF315L2-82×1102022.1-69.81068-3360YBF355M1-82×1322125.6-80.81177-3705YBF355M2-82×1602229.5-92.91292-4066YBF355L2-82×2002333.7-106.21412-4444YBF450S3-82×2502438.2-120.71538-4839YBF450M2-82×3152543.2-136.41669-5250YBF450M2-82×3152648.6-153.41805-5679YBF560M2-82×4502754.4-171.81946-6124YBF560M2-82×4502860.7-191.62093-6586YBF630M2-82×710FBCDZ(A)-10(n=590r/min)2017.6-55.7679-2136YBF315L-102×752120.4-64.4748-2355YBF355M1-102×902223.5-74.1821-2585YBF355M2-102×1102326.8-84.7898-2825YBF355L1-102×1322430.5-96.2978-3076YBF355L2-102×1602534.5-108.71061-3338YBF355L3-102×1852638.8-122.31147-3610YBF450M2-102×2502743.4-137.01237-3893YBF450M2-102×2502848.4-152.81331-4187JBO710M1-102×3152953.8-169.71427-4491JBO710M2-102×355 Series No.Air volume (m3/s)Full pressure(Pa)Motor model Power (KW) FBCDZ(A)-10(n=590r/min)3059.5-187.91527-4806JBO800S2-102×4503272.3-228.01738-5468JBO900S1-102×5603486.7-273.41962-6173JBO900S3-102×80036102.9-324.72199-6921JBO900M2-102×1000FBCDZ(A)-12(n=490r/min) 2425.3-79.9674-2122JBO355S2-122×1102528.6-90.3732-2302JBO355S2-122×1102632.2-101.6791-2490JBO400S-122×1322736.1-113.8853-2685JBO400M-122×1602840.2-126.9918-2888JBO710S1-122×2002944.7-140.9985-3098JBO710S1-122×2003049.5-156.01054-3315JBO710M1-122×2503260.0-189.41199-3772JBO800S2-122×3553472.0-227.11353-4258JBO900S1-122×4503685.5-269.61517-4774JBO900M1-122×56038100.5-317.11690-5319JBO900L1-122×80040171.2-370.01873-5893JBO900L2-122×1000FBCDZ(B)-6(n=980r/min) 1514.5-36.6805-2335YBF280M-62×551617.6-44.4916-2656YBF315S-62×751721.1-53.31035-2999YBF315M-62×901825.0-63.31160-3362YBF315L2-62×1321929.4-74.41292-3746YBF355M1-62×1602034.3-86.81432-4150YBF355L1-62×2202139.7-100.51579-4576YBF450S2-62×280FBCDZ(B)-8(n=740r/min) 1818.9-47.8661-1917YBF315S-82×551922.2-56.2737-2136YBF315M-82×752025.9-65.5816-2367YBF315L1-82×902130.0-75.9900-2609YBF355M1-82×1322234.5-87.2988-2863YBF355M2-82×1602339.4-99.71080-3130YBF355L1-82×1852444.8-113.21176-3408YBF355L3-82×2202550.6-128.01276-3698YBF450M1-82×2802656.9-144.01380-3999YBF560S2-82×355 Series No. Air volume (m3/s)Full pressure(Pa)Motor model Power (KW) FBCDZ(B)-8(n=740r/min)2763.7-161.01488-4313YBF560S2-82×3552871.1-179.81600-4638YBF560M2-82×450FBCDZ(B)-10(n=590r/min) 2123.9-60.5572-1659YBF315L-102×752227.5-69.5628-1820YBF315L-102×752331.4-79.5686-1990YBF355M1-102×902435.7-90.3747-2166YBF355M2-102×1102540.3-102.1811-2351YBF355L2-102×1602645.4-114.8877-2542YBF355L3-102×1852750.8-128.6946-2742YBF450S3-102×2002856.7-143.41017-2949YBF450M2-102×2502963.0-159.31091-3163YBF450M2-102×2503069.7-176.41168-3385JBO710M1-102×3153284.6-214.01329-3851JBO800S2-102×45034101.5-256.71500-4348JBO900S1-102×56036120.4-304.71682-4874JBO900M1-102×710FBCDZ(B)-12(n=490r/min) 2533.5-84.8559-1621JBO355S2-122×1102637.7-95.3605-1754JBO355S2-122×1102742.2-106.8652-1891JBO400S-122×1322847.1-119.1702-2034JBO400M-122×1602952.3-132.3753-2182JBO400M-122×1603057.9-146.5806-2335JBO710S1-122×2003270.3-177.7916-2656JBO710M1-122×2503484.3-213.21035-2999JBO800S1-122×31536100.0-253.11160-3362JBO900S1-122×45038117.6-297.61292-3746JBO900M1-122×56040137.2-347.21432-4150JBO900M2-122×71042158.8-401.91579-4576JBO900L2-122×100044182.6-462.11733-5022JBO900L3-122×1250 Detailed Photos Certifications Packaging & Shipping1) The equipment is equipped with a number of signs such as a product nameplate, rotation direction sign, wind direction sign, grounding sign, lifting sign, safety warnings, and so on.2) Product nameplate mainly includes the contents of the equipment: main technical parameters (flow, pressure, motor power, Revolutions Per Minute), product number, manufacturing date, and so on, which is convenient for users to check at any time3) Small equipment adopts the type of export wood packaging and large equipment, and the steel frame transports large cargo transportation.4) All equipment is waterproof and rainproof. Company Profile Zibo Hengding Fan Co., Ltd. Is located in Industrial Park, Beijiao Town, Zhoucun District, Zibo City, Shandong Province, China. The company covers an area of 12,000 square meters and a construction area of 8,000 square meters. The company has total assets of 27 million RMB and 186 employees, 46 engineers, and technicians. It has passed ISO9001 quality management system certification and maintained long-term technical cooperation relationships with many colleges and universities, such as Xi'an Jiaotong University, Tianjin Nankai University, etc. Now, it has developed into a modern ventilation equipment manufacturing enterprise with first-class testing and producing equipment, high-quality and excellent production molds, strong scientific research and development strength, a strict quality management system, and gradually perfected development. The company has 15 years of production experience, with an annual output of 5,000 sets of ventilators Our Advantages Strict quality standards, precision machining, and other spare parts and design maintain product stability, strictly select product parts suppliers, and perfect after-sales service system to allow customers to enjoy a new experienceOur company has introduced the latest research results of the Chinese Academy of Sciences, C4-II ternary flow wing twisted blades, which have high aerodynamic efficiency.The surface of the ventilator impeller blade is sprayed with advanced super-resistant (CN) metal material to form a wear-resistant, anti-corrosion protection layer on the surface of the blade. The wear resistance of the blade surface is 10 to 50 times higher than that of the ordinary carbon steel material, thereby greatly prolonging the service life of the blade. Quality assurance measures:In long-term production management, our company has formed a set of standardized process control measures and control points, which can provide users with high-quality products in all directions. Our company has a good reputation and is an enterprise that users can trust.Our company has obtained the IS09001 certification from the International Organization for Standardization (see Enterprise Qualification Materials for details). We strictly standardize the operation process and control points of product manufacturing After Sales Service When the equipment of the buyer is installed, our company is responsible for on-site installation guidance, personnel training and commissioning of test-drive, The separately purchased fan accessories can be used for telephone connection guidance and debuggingOur company guarantees that the structural safety, aerodynamic performance, running noise, and appearance, quality of the supplied ventilators can be checked and accepted by relevant departments.The quality assurance period for the supplied ventilator equipment, except for special provisions, is 18 months from the final acceptance of the ventilator. FAQ Q. What information should I provide when inquiring?A: Fan name/model, KW, Air pressure, Flow rate Air Volume, and temperatureQ. What is your warranty?A. Our warranty is 18 months after receiving the fans. During the warranty period, replace the damaged parts free of charge. Out warranty period, to provide timely, high-quality technical services and price concessions spare parts to ensure.continuous safe and high-quality equipment operation.Q. How does your factory control product quality?A. We have a quality inspection department. All fans are running more than 3 hours before delivery to test the quality. If there is a quality problem, we will produce a new one.Q. What are your terms of payment?A. TT 40% AS THE ADVANCE PAYMENT AND TT 60% AFTER INSPECTION BEFORE SHIPPING.B. 100% IRREVOCABLE L/C AT STGHT.Q. What products do you produce?A. Centrifugal fan, tunnel fan, axial fan, jet fan, mining fan, exhaust fan,anti-corrosion blower, high-pressure blower, explosion proof fan, fan accessories, etc, welcome to contact us to learn more details.Q. Where is your factory? Can I visit your factory?A. Zibo Hengding Fan Co., Ltd. Is located in Industrial Park, Beijiao Town, Zhoucun District, Zibo City, Shandong Province, China.Q. How long will it take to ship after the order?A. 10-15 Days if you need it urgently, we can discuss it for shorting time.Q. Is the product customizable?A. Various types can be customizable.https://hengdingfan.en.made-in-china.com/contact-info.html
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