Traveling grate steam stoker boiler hard coal which also called chain grate steam boiler, can be divided into two types according to the fuels, one is traveling grate biomass fired steam boiler and the other is traveling grate coal fired steam boiler. In Zimbabwe, there is a rich coal reserve, therefore, traveling grate coal fired steam boiler for sale in Zimbabwe is popular and has earned good reputation.

Unlike conventional pulverized coal (PC) technology, CFBs allow for the use of lower calorie coal - 4,000 kcal/kg compared to 6,000 kcal/kg typically used in a power plant coal fuel CFB stoker boiler hard coal - plus five percent biomass (woodchips), therefore helping reduce fuel costs and widen its procurement possibilities, without requiring add-on flue gas desulfurization equipment.

1, compared to the traditional coal-fired stoker boiler hard coal, gas boiler higher cost low nitrogen

Conventional coal-fired boilers is generally filled manually directly into the coal combustion furnace, this method results in very large combustion sulfide, soot and other harmful substances discharged into the atmosphere pollution index high; but also need to manually plus fuel, time-consuming and labor-intensive, more harm than good.

To protect the economic development of enterprises, production safety running smoothly, according to Qingyang County in Anhui Chizhou municipal government air pollution control requirements, coal-fired stoker boiler hard coal inspection pull the plug on a regular basis in October 2018.

Qingyang County Market Supervisory Authority for the county a number of companies were visited research to understand the company's current production operating conditions and problems, start from regulatory functions, for enterprise development to provide quality services, reduce business costs.

Special equipment boiler pressure is high risk, than a regular inspection cycle must immediately stop using, but they are also necessary for the production of business equipment, once the shutdown enterprises will face shutdown. Looking at business owners anxious eyes and counties actively discussing with the city center expert special inspection, and according to regulations, to quickly determine a set of effective programs and promptly inform each enterprise.

Through contact with the surrounding counties and cities to understand the relevant units of the boiler fuel change fees and counties take the initiative and boiler companies approached agreed upon with the use of rehabilitation programs, a significant reduction in transformation costs. Up to now, Qingyang County has completed 12 boiler fuel change work, the cumulative cost of more than 60 million.