Yangzijiang Petrochemical is becoming a leader in domestic power plant flue gas denitrification technology to accelerate the pace of environmental protection throughout the industry

In today's active promotion of environmental protection, energy-saving and environmental protection boilers are the inevitable development of the market. What are the future trends in the development of boilers? Because the more subdivided industries of boilers currently are, the higher the technical requirements are, and therefore, the industry leaders of their respective subdivisions are formed. For example, Huaguang shares in the field of waste-to-energy boilers, Huaxi energy produced by waste heat boilers, Hangcha shares in natural gas power generation boilers, and Dongfang Electric of large-scale thermal power station boilers. In their respective segments, their respective products have higher gross margins. However, no matter how it is subdivided, no matter how many areas it is divided into, it is always the case that various energy-saving and environmental-protection boilers should continuously improve their technological capabilities, increase their energy-saving and emission-reduction capabilities more efficiently, and win their opportunities in the future development of the industry.

Yangzijiang Petrochemical is becoming the leader in domestic new technologies for power plant flue gas denitrification. On November 30th, the single largest No. 9 boiler flue gas denitrification retrofit of Yangzi Petrochemical Power Plant was successfully put into operation. At this point, Yangzi Petrochemical Thermal Power Plant has completed the denitrification renovation of 7 boilers, accounting for more than 80% of all denitrification projects. According to calculations, the first 10 months, Yangzi Petrochemical thermal power plant denitrification amounted to 2488.85 tons, part of the denitrification amount completed the government identified procedures. After the boilers of the seven boilers were rebuilt, they reached the latest denitrification national standards of less than 100 mg/cubic cubic meters, and Yangzi Petrochemical is becoming the leader in the new technology of flue gas denitrification in domestic power plants.

The thermal power plant has a total of 9 coal-fired boilers, of which No. 9 has a steam output of 410 tons/hour and the rest are 220 tons. In 2010, 9 boilers in thermal power plants were successfully used to achieve thermal desulphurization in thermal power plants. The desulfurization efficiency exceeded the design standard of 95%, and the best level reached 99%. The level of plant operation also increased with the continuous improvement of the technology level and the increasing number of devices. Familiar and prolonged, in which the single tower operating cycle has reached the best level in the country.

Yangzi Petrochemical's denitrification reforms are at the forefront of the industry. Starting in 2011, the boiler denitrification project was started. Flue gas denitrification is a new environmental protection project promoted by the state following the mandatory implementation of flue gas desulfurization. It is mandatory, and it also specifies the total amount of emissions that cannot be broken.

The Yangzi Petrochemical denitrification project is functioning on existing facilities. After fully investigating some domestic denitrification enterprises, according to the site environment of Yangzi Petrochemical Thermal Power Plant, it was decided to use a low-nitrogen burner, selective non-catalytic reduction method, selective catalytic reduction. The triple denitrification combined process procedure, such as the reaction method, begins with the use of a low-nitrogen burner to reduce the amount of combustion nitrides, and then performs a reduction reaction to the catalysts that have generated nitrides to achieve a reduction in the fractionation, and finally reduces the nitrogen oxides to Environmentally stable air components that are completely harmless to the environment reduce the content of nitrogen oxides in flue gas to the national standard of 100 mg/cubic meter or less in the eastern part of China to achieve environmental protection.

The project was formally started on the No. 2 furnace in the thermal power plant on November 1, 2011, and achieved successful experience. According to the characteristics of continuous operation of chemical production, Yangzi Petrochemical has formulated a plan for renovating the shutdown furnaces, which not only guarantees the need for chemical power production and the use of steam, but also completes the transformation of denitrification projects according to the plan to achieve emission reduction targets. The single largest No. 9 furnace of this time completed the denitrification reform and successfully connected to the grid, which has the effect of reducing the environmental impact of the emissions and also creating the conditions for stabilizing the steam and electricity balance of the winter chemical production equipment. According to the arrangement, the denitration and transformation of the remaining two boilers will be completed in early 2014. At that time, Yangzi Petrochemical will become the first company in the system to complete the transformation of thermal and electric denitrification, and will contribute to Sinopec's efforts to reduce nitrogen oxide emissions.

It is reported that the total amount of flue gas denitrification and emission reduction has been linked to the development of enterprises and has become a constraint factor for sustainable development.

The smooth progress of the denitrification transformation of Jiuhua Power Generation went smoothly On November 30th, the denitration reactor of the second unit of the Jiuhua Power Generation Corporation, the denitrification reactor of #1 furnace, was successfully capped. The installation of the denitrification retrofitting project was completed and it was about to enter the commissioning stage. The boiler flue gas denitrification transformation is the company's key technological transformation project in 2013, and it is also an environmental protection project that responds to the national call and promotes energy conservation and emission reduction. After the project is completed and put into production, the company can reduce its annual nitrogen oxide emissions by more than 5,000 tons.

Yanshan Petrochemical's boiler flue gas denitrification test project was completed. On November 15th, Yanshan Petrochemical's boiler flue gas denitrification test project was successfully completed as a key environmental protection project in the “Clearwater Blue Sky” project of Sinopec Group Company, and a hot state commissioning was conducted on the 18th. The newly installed six low-nitrogen burners completed the first manual ignition test.

Yanshan Petrochemical's boiler flue gas denitrification test project is mainly to install a low-nitrogen burner on a No. 3 oil-gas boiler in a thermal workshop and a thermal workshop. The successful installation of six low-nitrogen burners was completed, marking the completion of construction of the pilot project of Yanshan Petrochemical's nitrogen oxide emission reduction project. After the project is formally put into use, the nitrogen oxides emitted from the No. 3 oil and gas boiler will be better than the standards set by Beijing Municipality, and will also provide a new path for Yanshan Petrochemicals to explore the total emission reduction of nitrogen oxides.

It is understood that during the trial burn, Yanshan Petrochemical Ministry of Environmental Protection, thermal plant related technical personnel will be on the boiler nitrogen oxide emission reduction effect of research and testing, in order to promote the technology to accumulate experience.

According to the technical personnel of Yanshan Petrochemical Thermal Power Plant, this oil and gas boiler flue gas denitrification treatment project selected a No. 3 oil and gas boiler of a thermal workshop as a model for retrofitting and adopted the patented technology of Xi’an Thermal Power Institute to install 6 units in the oil and gas boiler body. Nitrogen burner. Because the performance of low-nitrogen burners is superior to that of burners in general boilers, and has multistage air distribution and staged combustion, it can control combustion flame temperature and other functions, and can effectively reduce the generation of nitrogen oxides in the boiler during combustion, thereby realizing boilers. Nitrogen oxide emission reduction targets.

According to the relevant person in charge of the Yanshan Petrochemical Environmental Protection Department and Development Planning Department, after the successful trial operation of a No. 3 oil-gas boiler in a thermal workshop, Yanshan Petrochemical will complete the reconstruction of another 14 oil-gas boilers by the end of October 2014. To further promote low-nitrogen burners and flue gas denitrification equipment, to fundamentally improve the Yanshan Petrochemical Company's oil and gas boiler clean production levels.

According to the company's "Clear Water Blue Sky" environmental protection plan, Yanshan Petrochemical reported 36 environmental protection projects involving odor control in the East and West plant areas, prevention of water risk, construction of sewage treatment system for the refinery system, sampling and monitoring system, and emission reduction of pollutants. After the evaluation and screening of the group company, it was finally determined that 27 of the environmental protection projects will be included in the “Clearwater” environmental protection plan of the group company. At present, the other 26 "Clearwater Blue Sky" environmental protection projects are steadily advancing, and the reform programs have been determined one after another. Compatible research reports and commissioned designs are being prepared.

Therefore, it can be seen that the future development of environmental protection boilers tends to expand energy efficiency by further increasing the thermal efficiency of boilers and power plants; lowering the unit cost of boilers and power plants; and increasing the flexibility and automation of boiler units. Level; develop more boiler types to suit different fuels; improve the operational reliability of boiler units and their auxiliary equipment; and reduce environmental pollution.

Product name:CNC Machinery parts

Material:stainless steel 304,316,brass,copper,aluminum,carbon steel

Surface treatment:anodizing,polishing,powder coating,passivation,sandblasting,nickle plating,zinc plating,chrome plating,heat treatment.oxidation

Application:electronic,auto,electric appliance,electrical machine,toy,medical treatment,furniture

Equipment:CNC punching machine,CNC Milling Machine,CNC turning machine,CNC Machining center,automatic lathe,linear cutting,grinding machine

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