Energy-saving and environment-friendly heat-conducting oil boiler
A heat-conducting oil boiler, energy-saving and environmental protection technology, applied in the field of boilers, can solve problems such as energy waste and low thermal efficiency, and achieve the effects of improving thermal efficiency, increasing heating surface, and increasing the temperature of cold air entering the furnace
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[0041] Example 1:
[0042] Such as figure 1 As shown, an energy-saving and environmentally-friendly heat transfer oil boiler includes a main boiler 1, a waste heat boiler 2, an air preheater 3;
[0043] The waste heat boiler 2 includes a vertical body 21; a plurality of rows of vertical serpentine heat exchange tubes 22 are arranged in the vertical body 21, and the straight pipe sections of the vertical serpentine heat exchange tubes 22 are exchanged along the vertical serpentine shape. The flow direction of the medium in the heat pipe 22 is inclined upward. The inclined tube bundle arrangement allows the steam in the steam-water mixture generated in the vertical serpentine heat exchange tube 22 to quickly enter the upper steam drum 23, preventing the boiler from running , The vertical serpentine heat exchange tube 22 accumulates a large amount of steam, which affects the safe operation of the boiler; the upper outlet of the vertical serpentine heat exchange tube 22 is connected to...
Example Embodiment
[0055] Example 2:
[0056] On the basis of Example 1, such as image 3 As shown, the top and bottom of the air preheater 3 are respectively fixedly provided with horizontal tube plates 36; both ends of the vertical heat exchange tubes 32 pass through the corresponding horizontal tube plates 36 and are fixedly connected to the horizontal tube plates 36; The horizontal tube plate 36 at the lower part is connected to the outer frame 31, and the horizontal tube plate 36 at the upper part is connected to the outer frame 31 through an expansion joint 38.
[0057] Among them, the top of the vertical heat exchange tube 32 communicates with the flue gas outlet of the waste heat boiler 2, and the bottom of the vertical heat exchange tube 32 communicates with the flue gas chamber 5; the arrangement of the horizontal tube plate 36 is used to install the vertical The heat exchange tube 32, on the other hand, also separates the air circulation cavity from the flue gas flow cavity in the vertica...
Example Embodiment
[0060] Example 3:
[0061] On the basis of Example 1 or Example 2, such as figure 2 As shown, the main boiler 1 is arranged in a horizontal arrangement, the front of the main boiler 1 is provided with a burner 12, and the rear of the main boiler 1 is provided with a flue gas outlet 11;
[0062] The main boiler 1 is provided with a spiral inner coil 13 and a spiral outer coil 14; the spiral inner coil 13 encloses the furnace 15 and the spiral inner coil 13 and the spiral outer coil 14 form a first Convection channel 16, the spiral outer coil 14 and the shell of the boiler main body 1 enclose a second convection channel 17; specifically, the inlets of the spiral inner coil 13 and the spiral outer coil 14 are respectively connected to the external oil inlet pipe The outlets of the spiral inner coil 13 and the spiral outer coil 14 are respectively connected with the external oil outlet pipe; in addition, the fixing method of the spiral inner coil 13 and the spiral outer coil 14 inside...
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