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Yueqing Chuanwang Electric Technology Co., Ltd. didirikan pada tahun 2014, perusahaan ini terletak di Kota Liushi yang indah dan kaya, Kota Yueqing, ibukota listrik Cina.
Setelah lebih dari 10 tahun berjuang, perusahaan telah berkembang menjadi perusahaan entitas nasional non-regional saat ini, dan jaringan penjualannya mencakup semua provinsi dan kota di seluruh negeri, serta Timur Tengah, Asia Timur, dan Amerika Utara. Saat ini, grup ini memiliki lebih dari 200 karyawan, dan kini telah berkembang menjadi perusahaan non-regional yang terdiversifikasi yang mengintegrasikan penelitian dan pengembangan produk, desain, produksi, operasi, dan layanan. Total area bengkel perusahaan adalah 15.000 meter persegi, total nilai aset sekitar 100 juta yuan, dan kapasitas produksi tahunan adalah 200 juta yuan. Perusahaan pendukung profesional untuk kipas, peralatan listrik tahan ledakan, pencahayaan bergerak, pencahayaan tetap dan produk seri lainnya, pemasok berkualitas tinggi dari produk pendukung tahan ledakan seperti PetroChina, Sinopec, China Coal, dll. Mitra ideal untuk pemeliharaan air, pemerintah dan unit lainnya.
Perusahaan telah memperoleh serangkaian produk "Sertifikat Tahan Ledakan", "Lisensi Industri Nasional", "Sertifikasi Keselamatan Batubara", "Sertifikasi 3C" dan lulus "Sertifikasi Sistem Mutu ISO9001: 2008" dan Amerika Serikat FM / UL, Uni Eropa ATEX, IECEx Internasional, sertifikasi standar kualitas internasional seperti sertifikasi Russia Cu TR dan Brazil Inmetro. Kami juga terus meningkatkan kualitas produk dan memperluas spesifikasi baru untuk memenuhi persyaratan yang berbeda.
The scope of use of explosion-proof fans
It is mainly used in special occasions and can be used to "transport flammable, explosive and non-corrosive gases".
At the same time, it can also be widely used in "general factories, warehouses, offices, and residences" for ventilation or strong heating and heat dissipation. It can also be installed in series with long exhaust pipes to increase the pressure in the pipes. Remove the motor to make a free fan.
Advantages of explosion-proof fans
1. The impeller blade installation angle of the explosion-proof fan is adjustable, and the blade angle can be adjusted according to production needs. The fan is specially designed, the performance curve has no hump, and can run stably under any network resistance.
2. The fan installed outside the motor is fully enclosed, and has a certain compressive strength of the closed heat shield and the air pressure balance pipe, so that the motor can always run in a gas-free environment, which proves the regulations.
3. The simplest structure of the fan with the direct connection between the motor and the impeller changes the axial ventilation and exhaust of the coal mine shaft, and adopts the complex structure of belt drive or long shaft drive, which is beneficial to operation and maintenance.
4. Some explosion-proof fans are of single-stage working wheel structure. The fan and diffuser are arranged between the rear guide vanes to increase the static pressure efficiency.
5. The fan is reversible wind, and the wind resistance can reach 65% to 85% of the positive wind volume. There is no need to set up another air duct, which saves infrastructure investment and wind speed.
How to choose explosion-proof fan?
1. In addition to hard indicators such as air pressure and air volume, explosion-proof fans must use explosion-proof motors, explosion-proof switches, and increase explosion-proof casings.
2. There are requirements for the material of the impeller and the material of the inner wall of the casing corresponding to the impeller, and they are required to not produce sparks in case of friction, such as using aluminum fan blades and iron inner walls, or iron fan blades and adding them to the inner wall. Aluminum ring.
3. The explosion-proof fan has lower limit requirements for the clearance between the impeller and the casing. In order to pursue efficiency, fans often have upper limit requirements for clearance, which are contradictory.
4. Explosion-proof fans have stricter requirements for safety protection at the inlet and outlet.
Pertanyaan yang sering diajukan
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The reason: explosion proof design requires isolation from the potentially explosive air. By nature of the way a fan operates, a potentially explosive air stream will always be in contact with the interior of the fan housing and the fan impeller.
To be explosion proof, it must say class one, division one. I believe what you have is a totally enclosed fan cooled motor known as a TEFC motor. As long as the fan motor is outside the airflow you can use either an open, TEFC, or exp proof motor.
When these combustible materials are present in an environment in high concentrations, they may ignite and cause an explosion. As such, you want to install an explosion proof fan if you operate in a dangerous area where flammable particles or gases are in the air or passing through ventilation systems.