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 Posted: Fri 23:08, 17 Dec 2010 Post subject: ugg milano FCC main air blower repair _3758 |
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FCC Main Air Blower repair
Residual activity,[link widoczny dla zalogowanych], so the rotor under the cylinder has no problem free. Figure 22.2 rotor repair after the accident,[link widoczny dla zalogowanych], the cleaning of the rotor inspection machine repair shop in the C650 lathe measurements, only the 9,10 level at one point between the wheel radial 0.08mm, the rest were 0. 55mm below the maximum bending of the rotor does not exceed 0.04mm,[link widoczny dla zalogowanych], the maximum side beat 0.04mm,[link widoczny dla zalogowanych], the maximum thrust plate beat 0. Olmm,[link widoczny dla zalogowanych], fluorescence detection of the rotor surface and hardness tests were no problem. So buy only the I-R moving sets produced leaves and spear films, assembled by Nanjing Turbine Works and dynamic balance test. (1) I-R 1515 rotor balancing requirements of the company: the maximum allowed imbalance in the rotor after assembly about 18000g · mm. (2) equilibrium requires, above the surface of the residual balance 300r/min unbalance ≤ 72og · mm. (3) the results of the rotor assembly of the restored after the original balance of the amount of unbalance: 464g · mm (intake side) +10788 g · mm (outlet side) of a 15252g. mm <1800g'mm. The final residual unbalance: intake side to 297.6g · mm; outlet end is 409.2g · mm reached the factory requirements, in order to secure, and high-speed dynamic balancing machine for authentication. (4) test results (a) at 5340r/min under the intake side bearing vibration velocity (rms) of 0.62mm / s. Exhaust end is 0.2mm / s, consistent with IsO flexible rotor balancing test (1.8 × 0.63-1.134mm / s) ● first 25 Fluid Machinery Volume 6 ((b)) rotor 405Of / rain during the first critical speed 0.1ram. Speed, the maximum velocity 1.507minis. 2.3 vanes and air seal repair on the first l3, l4, 15 static leaf-level damage serious ring, I-R Corporation to buy replacement parts, repair and re-use of the remaining levels, all levels were mounted between the gas insert installed after turning , when the rotor to the scraping under the cylinder, leaving a gap. Installation at the site level on the carved surface of the cylinder ring gap is too small movement at the local made with hand-held grinding wheel, the depth of not more than 3 Conclusion of the main fan repaired, re-installation, operation has been good, the performance index the original design requirements, to meet stable catalytic cracking unit in our factory production. CHEN Ming-Xin 3320. Jiujiang Jiujiang Petrochemical Complex 2 {4, I magnetic pump condition monitoring technology. Summary of failure analysis. Guangdong Petrochemical College. Wong Ken 6n2} from the base point of view on a magnetic field magnetic pump condition monitoring principle, test equipment and test mantis Island villa falling stone fruit and key words of silt I1 i dagger 【Introduction magnetic pump its good sealing performance, the oil at home and abroad chemical industry has been more widely used, by itself, has also been great progress in a number of magnetic pump is often used to transport flammable, explosive and toxic media, free of leaks, although certainly not to achieve magnetic pump leak But at the same time, due to the structure of magnetic pump, magnetic pump field how to achieve safe and reliable operation, but also become the subject to be solved. Magnetic drive pump is used as closed structures, relying on the pump bearings within the transmission medium to achieve its lubrication and cooling, and magnetic media pumping lubrication is often poor, often bearing wear due to poor lubrication and serious, all this from the pump outside and hard to find, even when serious cause serious accidents. Basic equipment is shielded magnetic pump, the current has not yet been set for its ideal site condition monitoring systems, field operations staff in addition to the magnetic pump was able to make subjective judgments of failure, the hard running and sliding bearings of their replacement cycle Received Date made ,1906-7-3l clear that, if there are problems, it will be very serious. To ensure the normal operation of magnetic pump and daily maintenance, improve management, is necessary to set the pump in the magnetic state of monitoring systems. 2 magnetic drive pump magnetic structure of the typical structure of the magnetic pump. The key component is the magnetic actuator, which generally consists of three parts: the magnetic rotor. External magnetic rotor and sealed sets of the structure shown in Figure 13, there is often asked the deer and fault structure and magnetic pump field from the use of point of view. Bearing wear is the main magnetic pump failure is caused by magnetic pump accidents. Bearing wear, bearing radial clearance with the shaft increases, the rotor turning loose parts, while the magnetic rotor outside the magnet rotor by the magnetic force due to the role of deviation from the axis of the rotor geometric center of the center line, causing uneven gaps within and outside the magnetic rotor, The external magnetic
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