ZOZEN coal-fired boiler successfully meets the environmental protection standards in Afghanistan
Facing the increasingly series environmental problems, relevant department in Afghanistan put forward higher requirements for boiler exhaust gas emission and actively took measures to ban coal-fired boilers that were unable to meet the environmental protection standards. As a well-known industrial boiler manufacturer in Asia, ZOZEN has always optimized various boiler structures and systems according to the characteristics of different fuels. This time, ZOZEN SZL series coal-fired boiler successfully met the exhaust gas emission standards in Afghanistan.
ZOZEN coal-fired boiler in a good operating state won the praise of customers
ZOZEN coal-fired boiler helped Baheer paper factory pass the environmental inspection
In order to comprehensively control the air pollution and reduce the emission of harmful substances, Afghan government formulated a series of environmental protection policies which put forward higher requirements for the exhaust gas emission and strictly controlled the Ringelman emittance of boilers. On November 14, a large-scale environmental protection inspection of coal-fired boilers was carried out in Afghanistan and a large number of factories whose emissions did not meet the standards were closed.
However, ZOZEN SZL series coal-fired boiler customized for Baheer paper factory successfully passed the environmental protection inspection by virtue of sufficient output, high combustion efficiency and ultra clean exhaust gas emission. According to the on-site situation, there was almost no exhaust gas could be seen in the normal operation of the boiler and only a little exhaust gas could be seen after the boiler was shut down.
ZOZEN coal-fired boiler is featured with ultra clean exhaust gas emission
ZOZEN designed and optimized the coal-fired boiler system to realize ultra clean exhaust gas emission
According to the coal characteristics, ZOZEN technical team optimized and reasonably arranged the furnace arch, furnace and furnace heating surface, adjusted the ratio of primary to secondary air and optimized the secondary air layout to make the fuel combustion more sufficient. What's more, ZOZEN also set the reasonable coal layer thickness and grate rotate speed to improve the fuel burn-off rate and protect the grate to extend the boiler's service life.
In addition, ZOZEN also customized a set of more cost-effective boiler exhaust gas treatment system for Baheer. It adopted cyclone + wet scrubber dust removal method. After filtration, ash removal and dust cleaning, the dust removal efficiency could reach over 98% and the desulfurization efficiency could reach over 85%, which lowered the dust emission concentration to 250mg/Nm3 and made the Ringelman emittance lower than 1 degree.
At the product launch conference, Baheer's CEO expressed gratitude to ZOZEN Boiler for its coal-fired boiler product with good combustion effects, clean emission and high level of automation, which directly affected the products of Baheer Group.
ZOZEN after-sales service engineer Hao (right 2, back row)
With the successful eco-friendly boiler project experience in Afghanistan, ZOZEN Boiler will continue to develop the clean coal combustion technology to jointly create a clean and comfortable environment with users.
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SZL series coal-fired steam boiler6-35 t/h1-2.5 MPa
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DZL series coal-fired steam boiler2-10 t/h1-2.5 MPa
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ZOZEN SZL series steam boiler project cooperating with Baheer Group in Afghanistan officially began to provide steam supply on October 15. After 24 hours of trial operation, ZOZEN steam boiler kept the normal combustion, stable grate operation and normal work of warning device, pressure parts and valves. Since then, ZOZEN steam boiler will provide the stable and highly efficient steam support for the paper production line of Baheer Group.22 Oct 2020
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In the production base of ZOZEN Boiler, the shipment of three sets of SZL series steam boilers was ready. They were for the EFFORT Group's comprehensive production plant project with an annual production capacity of 60,000 tons of PVC resin located in Mekele, Ethiopia.10 Nov 2020
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