Routine maintenance boiler feed pumps Boiler feed pumps is the key to safe and stable operation of the boiler system related to an important part of the use of modern technology design automation and boiler set up automatic level control system. At present, China has more than four hundred thousand sets of boiler equipment, most of which are industrial enterprises in power plant boilers and boiler system, a small part of the business areas for baths and other residents. To the base of the boiler operation and stable pump operation, the system is important to adjust the composition of modern boiler level in this section. Once the feed pump failure would seriously endanger the safe operation of the boiler, it will also lead to serious major accidents. Therefore, the boiler system to strengthen routine maintenance and repair water pumps, has become an important work of modern boiler maintenance department. To fault prevention of routine maintenance: routine maintenance of modern boiler feed pumps must be based on failure prevention purposes, to establish a scientific system and maintenance system to guide routine maintenance work to the pump. Failure to establish a water pump spare parts and replacement records, detailed grasp the parts damaged time so late to be replaced before the life in parts, to avoid parts (such as: bearings, etc.) that is not timely after damage caused by damage to the unit. Also, to strengthen the water pump lubrication system maintenance, regular inspections amount of lubricating oil, lubricating components in a timely manner to avoid the occurrence of dry grinding. Before the addition of the lubricating oil to be noted that the quality and check the cleanliness of the oil addition port, to avoid the process of adding impurities into the bearing damage. Also note that in the conservation of the inspection and maintenance of the system piping to the pump, in a timely manner at plugging leaks, rust-proof coating the outside of the pipeline should always be checked for spray coating peeling off promptly at, in order to ensure that the tube corrosion path. Maintenance also need to pay attention to the inspection and maintenance of pump water treatment system.

2019, Nanjing for more stringent ozone pollution, for volatile organic compounds, governance and control measures nitrogen oxides unabated.

Nanjing Ecological Environment Agency staff members at atmospheric introduction, with the recent temperature increases, there has been a trend in some parts of ozone exceeded. This summer, the environmental protection department will introduce stricter air pollution control measures, starting from the two aspects of governance volatile organic compounds and nitrogen oxides to reduce ozone pollution.

It is understood that Nanjing will be completed this year 44 companies VOCs governance and thermal power, cement, bricks and other building materials industries fugitive emissions-depth treatment in the city in batches with a gas-fired boiler 936 units, the implementation of the nitrogen oxides governance Sector Engineering; city station 475 to achieve ultra-low emission particulate biomass boilers, for the privately polluting fuels blended biomass boilers embodiment eliminated. It is worth mentioning that the revised "Nanjing Atmospheric Pollution Prevention Act," to be implemented next month. Among them, organic solvents, paints use, as well as volatile organic compounds corporate governance and management have put forward new demands.

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10 tph SZS condensing gas-fired boiler for cable industryJiangsu Zhongmei Cable mainly produces power cables, fire-retardant cables for coal mines, various flame-retardant and fire-resistant special wires and cables. Wires and cables project production process requires a lot of steam, in which the extruder heating, mixing rubber equipment preheating process in the drive 1 ~ 2 h need to use 0.3 ~ 0.4 MPa low pressure steam preheating, cable continuous cross-linking process requires a pressure of 2.5 MPa steam as a heating medium. In recent years, through years of sustained and stable development, the company’s scale and overall strength have been continuously improved. In 2016, Jiangsu Zhongmei Cable replaced coal-fired boilers with gas-fired boilers. ZOZEN and Jiangsu Zhongmei Cable are both in the beautiful coast of Taihu Lake. As we all know, ZOZEN boiler has advanced manufacturing technology and complete equipment, the service life of the boiler is very long. After the inspection at ZOZEN boiler, Jiangsu Zhongmei Cable ordered two sets of  6 tph SZS condensing gas-fired boilers, which can fully improve thermal efficiency.