Note industrial boiler water quality testing of water quality testing what are the considerations which industrial boilers (1) pay attention to scaling problems boiler. When carrying out inspections of the boiler water quality, pay attention to the problem of scale boilers. Boiler heating surface scaling, will not only affect the thermal conductivity of the boiler, but also can disrupt the normal structure of the boiler, affecting the normal operation of the boiler. Fouling will too concentrated so that the temperature of the steel sheet, the steel sheet could afford once over, will produce accidents. Moreover, the scale problem is a common cause of boiler accident, we need to attach great importance to staff fouling problems, do water quality testing. (2) pay attention to water treatment and work-related training of personnel. First, we must strengthen the progress of the work of the boiler water treatment, understand the importance of water treatment. Second, we must strengthen the training of staff so that it can fully understand the water treatment process. To make it have the necessary knowledge of water treatment. In particular, to strengthen the natural water, the impurities in the water for effective treatment to improve water quality. To pay attention when handling method, common in two ways, first, filtration, and second precipitation. In personnel training, to ensure that staff can master the common water quality testing methods and treatment, to master the professional knowledge, and constantly improve the quality of personnel. First, to ensure accurate test results of water quality, so as to smoothly guide the follow-up by the correct data. Second, we must strengthen the technical quality of the staff increase, so do the theory with practice. Third, the development of sound, a sound regulatory framework, the rule-based quality inspection can reduce boiler performance problems caused by poor water quality. (3) prevent boiler corrosion problems. Boiler corrosion problems need attention, which need to focus on sensitive monitoring of the boiler, the weak link in the water quality testing, monitoring whether it is corrosive. If the monitoring to corrosive media, to fully, completely clear. Taking into account the protection of the cold parts of the corrosion-prone parts of timely protection, corrosion has been the site for processing, so that you can effectively avoid the boiler cause further corrosion. (4) strengthen the supervision of water treatment. To further strengthen the supervision of the water treatment process, so as to improve the performance of the boiler, saving operating costs, reduce the occurrence of accidents. First of all, to supervise water quality around the normal operation of the boiler, to avoid adverse water quality. Second, we must strictly examine the quality of treated water in accordance with the relevant requirements, the supervision carried out, to achieve the quality supervision and inspection of the entire process. Only strengthen supervision, the implementation of routine inspections in order to truly improve the effectiveness of water quality tests.
Direct contact condensing heat exchanger flue gas purification effect Test: flue gas condensation may reduce harmful substances in exhaust gas, but the purifying effect is affected by many factors. These factors include the amount of condensate, fuel type, temperature heat exchange medium. Studies have found that : NOx flue gas condensation and purification effect of the presence or absence of SO2 in the flue gas related. When no presence of SO2 in the flue gas, flue gas condensation is better purification effect on NOx, the NOx absorption rate generally can reach 10% to 20%; presence of flue gas with a SO2, NOx purification efficiency of the flue gas condensation decreased, the NOx absorption rate is generally 10% or less. SO2 due to the more hydrophilic than NOx, SO2 present in the flue gas there is, the role of SO2 and NOx water inhibits the action of the water, so that the flue gas condensation to reduce the NOx purification effect. For the system shown, the system described herein the exhaust gas temperature is lower than the conventional gas boiler, a greater amount of condensate, which requires purification effect experimental study. Experimental system used in direct contact with the flue gas condensing heat exchanger, the advantages of this approach is that: the contact area greatly increased flue gas two-phase flow of water, instantaneous heat and mass transfer to achieve enhanced heat transfer effect .
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