Discussion on heating surface combination structure of boiler shell pyrotechnic tube in Shandong Boiler Fittings Factory
[ Shandong Boiler Fittings Factory] Shandong Liaocheng Rongbao Boiler Fittings Casting Factory http://se346.com is located in Liaocheng Industrial Development Zone, a famous "Jiangbei Water City" at home and abroad. The communication is timely. Our company was founded in 1991 and has more than ten years of professional product production experience.
At present, the main types of large-scale chain grate hot water boilers are three series: single (double) drum water-tube hot water boilers, water-fire tube hot-shell water heaters and angle-tube hot water boilers. Various problems have occurred to varying degrees during operation, but it is still the main furnace type of central heating boilers in China. The boiler adopts the combined structure of the heating surface of the boiler shell pyrotechnic tube and the heating surface of the water pipe, which gives full play to the technical advantages of the two heating surfaces. The drum adopts a quasi-elastic combination structure of arched tube sheet and threaded smoke pipe, which not only makes the boiler structure compact, but also has good low cycle fatigue resistance.
The water cooling wall on the boiler side and the convection heating surface of the water pipe adopt a parallel structure! When installing, pay attention to whether the active grate piece meshes well with the sprocket, and the minimum clearance between the active grate piece and the side sealing block on both sides, the sealing angle is not less than 4㎜, but the unilateral tilt of the grate piece can cause a variety of reasons The grate piece was stuck.
If it is a misalignment of the grate, adjust the parallelism of the front and rear axles. If the furnace is damaged, replace it with damage. Replace the bearing (copper sleeve) if it is damaged. The mechanic and boiler worker inspect at any time. Avoid equipment safety accidents.
Chain furnace is a kind of fire hearth furnace which is widely used. It has a history of more than 100 years. The chain boiler series is the first large furnace designed and developed by Zhengguo since its establishment. Due to its advantages of simple operation, long pressing time, convenient starting and stopping, and relatively low power consumption, it is widely used in coal mine heating and urban concentration. Heating, chemical, pharmaceutical, small captive power plants, etc.
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