Flue for electric furnace
A flue and electric furnace technology, which is applied in the treatment of combustion products, combustion methods, exhaust gas devices, etc., can solve the problems of short life, poor thermal conductivity, complex flue structure, etc., to increase the service life, ensure production efficiency, The effect of improving thermal conductivity
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Embodiment 1
[0039] Such as Figure 1-6 As shown, the electric furnace flue in this embodiment includes a first flue assembly 1 , a second flue assembly 2 and a third flue assembly 3 . The first flue assembly 1 , the second flue assembly 2 , and the third flue assembly 3 are respectively made of copper plates 4 , and water passages 5 are opened in each copper plate 4 . In this way, the number of welding seams can be greatly reduced, and the structure becomes simple and easy to manufacture.
[0040] The first flue assembly 1 includes four copper plates 4, and all the copper plates 4 are spliced into the first flue assembly 1, and the cross section of the first flue assembly 1 is a closed quadrilateral. Two water channels 5 are opened in the copper plate 4, and each water channel 5 is provided with a water channel inlet 6 and a water channel outlet 7 on the outer surface of the copper plate. The two water channels 5 are sequentially connected by connecting pipes 8 to form a cooling water...
Embodiment 2
[0046] Such as Figure 7 As shown, the difference between the electric furnace flue in the present embodiment and embodiment 1 is:
[0047] The water passages in any two adjacent copper plates of the same flue assembly are connected sequentially through connecting pipes, and the water passages in all the copper plates of the same flue assembly are connected to form a cooling water circulation system.
[0048] The cross section of the water channel 5' is a composite hole, the composite hole is partially overlapped by two circular holes with the same diameter (diameter is 40 mm), and the distance between the centers of the two circular holes is 31.5 mm.
[0049] Compared with the round hole water channel, the composite hole type water channel has two advantages: one is strong heat transfer capacity, and the composite hole type cooling channel has improved heat transfer capacity and more uniform cooling effect compared with the round hole type; The thickness of the copper plate ...
Embodiment 3
[0051] Such as Figure 8 As shown, the difference between the electric furnace flue in the present embodiment and embodiment 1 is:
[0052] The two ends of the water channel 5" in each copper plate 4 are separately connected to a water inlet pipe (not shown) and a water outlet pipe (not shown) to form independent cooling water circulation systems.
[0053] The cross-section of the waterway 5" is a composite hole, which is formed by overlapping three circular holes (35 mm in diameter) with the same diameter. The centers of the three circular holes are located on a straight line, and any two The distance between the centers of the adjacent circular holes is 21.5 millimeters, and the distance from the center of the first circular hole to the center of the third circular hole is 43 millimeters. The diameters of each circular hole can also be different; or there are two circles The diameter of the hole is the same, and the diameter of the remaining circular hole is different from ...
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