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Condensate Fault and high speed mixed bed


Of water caps and the resin trap, the resistance is too large, run the traffic impact; b. Of water caps} Kun bed entrance was covered by debris. Such as corrosion particles, metal components of waste, scrap and other sealed packing; C. Mixed bed top thickness of the porous plate 5mnl, running fibrillation, leading to stress fracture bolts. 2 Analysis 2.1 has broken resin produced a. Mechanical damage caused by external forces, such as the resin remain in the valve, the valve frequently switch. Resin is extruded broken; b. Resin mechanical strength is not enough. Fat mass fat mass when the resin and the wall friction, the resin particle size failed; Received date :2004-10-21 Author: Yang Wu (1972 a). Male. Technician. Chemical plants are Shuangliao breakout work. * 53.2005 on April 1 O2 (Total 176) Feb. 2005N0.1 (Ser.NO.176) C. Abnormal changes in temperature, the resin decomposition, degradation, accelerated resin broken; d. Resin, the resin trap broken plug, the water resistance of up to increase the working pressure of the resin to accelerate the resin broken. 2.2 The unit starts with a lot of impurities water frequently start and stop units, condensing water turbidity, in the mixed bed operation, the condensate water, suspended solids remain in the water cap, perforated plate, the formation of sludge, blocking holes. 2.3 The improper use of compressed air pressure relief lipid transfer operation, the pressure should be strictly controlled within prescribed limits, fat mass after the relief should not be eager to avoid excessive pressure plate caused by deformation (upper Therefore, porous plate damage more reasons). Debris in the water with a 2.4 start the unit frequently, making the mixed bed cap covering the entrance of water to increase debris, such as the large particles of corrosion products, scrap metal parts, sealing and packing of scrap off the coating material and so on. 2.52 difference between the flow of the mixed bed units increases with time during system operation,[link widoczny dla zalogowanych], 2 to run the mixed bed flow difference increases over time (> 100t / h), the failure of a mixed bed units, so that compression After the air in fat mass, on the cap and the upper porous plate water damage increased, resulting in a mixed bed with the normal operation of the flow of poor increases. For the above reasons make the mixed-bed condensate run bias and the flow is too small, this operation mode is bound to the unit's operation and safety implications, must be early detection, and elimination of fault flow values in the 80 ~ 150t / h mixed bed. 3.1 3 improvements large and small repair overhaul operation points of the mixed bed short construction period due to minor repairs to equipment inspection to eliminate defects in the main, the main device and check the water drainage, mixed bed Simplified wall coating,[link widoczny dla zalogowanych], mixed bed resin to capture export device and whether the foreign components of the dead, mixed bed belongs valves. Overhaul project run mixed bed, water maintenance equipment,[link widoczny dla zalogowanych], cylinder wall antivirus eq. q expansion, \bed belongs to the valve, according to the design of highly complementary resin layer resin; drainage branch of the filter update. 3.2 Points to note a. operational aspects Regular cleaning resin trap and remove broken inside the resin capture resin; b. Fat mass, fat mixed with a good air pressure to control and prevent the pressure is too high, damage to the resin and the bed body parts; C. With pressure relief when the mixed bed. Should be required to slowly vent, △, more than 30rain, try not to pressure a short time back to zero, to prevent damage to water, hat, water drainage; d. When fat mass, fat mass ensure pipeline, mixed bed, recycled resin transfer inside the net, and careful washing of mass fat pipe to prevent the valve opening and closing crushed resin; e. Mixed bed should not be running out to run. Compaction to prevent resin agglomeration; f. New start of the unit,[link widoczny dla zalogowanych], mixed bed into,[link widoczny dla zalogowanych], it should be stopped within 1 week, Kai standby mixed bed, the backwash, regeneration. To prevent dirt stuck in the resin and the flow path (such as water caps, etc.) inside. After a mixed bed condensate handling equipment, and reasonable. Change the structure of multi-sub-L board, eliminating the negative stress of the porous plate, eliminating the bias of the mixed bed and equipment flow abnormalities too small. Since 2004, there has not been Shuangliao mixed bed plants drift and flow abnormalities. 100% of the condensate processing system. Condensate flow abnormalities have occurred, the performance of the turbine hot well water level rises to the alarm value, setting the door open enough water to the mixed bed operation of the valves are open enough, but this time much larger than the design value of the condensate flow. Another difference between the flow of the mixed bed 100t / h or more, that there is a run-bed flow is less than 150t / h, should be bold and the standby condensate mixed bed, mixed bed condensate abnormal stop running, find the reasons can be put into treatment to ensure crew safety, stability, economic operation. (Editor Li Jianping) ~ TV production one by one board one by one
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