Now condensing gas boiler can be divided into commercial gas condensing boilers and industrial gas condensing boilers, mainly for hotels, shopping malls and other commercial establishments and food, chemical, pharmaceutical and other industrial processing industries.

important facility for urban public utilities. As the purchase purpose of Heilongjiang Taoshan Forestry Bureau is regional central heating, ZOZEN boiler provided a SHX series circulating fluided bed hot water boiler for them.

Since 2017, Yongji County, Jilin Province to respond positively to the State Council issued the "Air Pollution Prevention Action Plan" to carry out corresponding work strictly in accordance with national, provincial and municipal environmental requirements.

It is reported that out of Yongji County vigorously promote the renovation work of small coal-fired boilers, promulgated and implemented the "little out of Yongji County boiler work program" to develop "a furnace policy" policy, no longer approve new steam 10 t / h coal-fired boiler , while promoting the phase-out of small coal-fired boilers.

For small coal-fired boiler phase-out program has been effectively implemented, Yongji County Government has formulated "Yongji County eliminate small coal-fired boiler renovation award up approach", the county built area of ​​active users to carry out remediation work out of coal-fired boilers by small standard for financial awards complement, after the introduction of premium policy, and in the mouth before the town government to convene Yongji economic Development Zone, the area held a small coal-fired boilers user related meetings, arrangements for specific phase-out management work, and to a great extent to promote the progress of small coal-fired boilers eliminated.

Since the initial carry out small coal-fired boiler renovation work in 2017 to the present day, Yongji county built-up areas out of a total of 59 small coal-fired boiler units, a total of 16 sets of 20 tons of steam / hour non-electric and coal-fired boilers intention has been completed to upgrade pollution control facilities renovation work.

The need for the country to promote low nitrogen boiler What? Issued from the national emission reduction policies and monitoring efforts, the state vigorously promote low nitrogen determination boiler unabated. Reduce NOx emissions is to improve the ambient air quality monitoring data needs in recent years shows that the typical features of a larger pollutant PM2.5 exceeded the proportion of long seriously overweight and regional situation, to improve ambient air quality is facing enormous challenges. Domestic and international research and management experience shows that regional PM2.5 pollution control is a very difficult system engineering, must be analyzed on a consolidated basis, we propose targeted control measures in order to effectively alleviate the region PM2.5 pollution. PM2.5 including primary and a secondary discharge section two generating particles, Beijing, for example, a high proportion of secondary particles, particularly PM2.5 weight ratio of the secondary particle contamination significantly increase over regular time periods. There are observations indicate heavy contamination with environmental changes PM2.5 NOx concentration exhibits a strong correlation, characterized in that changes in synchronization. NOx is an important precursor PM2.5, two roles in the formation process: First, the reaction of chemical components NO3- are important secondary particles; photolysis through two chain reaction O3-, increased an oxidizing atmosphere, providing SOx, NOx oxidation NO3- and SO42- oxidant. California CAMQ use simulation models to cut NOx emissions once the impact of PM2.5, the result is every tonne of NOx emissions can be reduced by about 0.13 tons PM2.5.