Slag discharging boot leg

Abstract

The utility model discloses a slag discharge boot leg, which belongs to the technical field of discharge system auxiliary equipment and comprises a boot leg shell, a support plate, a lining protective layer, an air cooling layer and a scouring layer, the lining protective layer is arranged on the inner side of the boot leg shell, the air cooling layer is arranged on the inner side of the lining protective layer, two diameter air pipes are welded in the air cooling layer, and the scouring layer is arranged on the inner side of the air cooling layer. The inner diameter of the washing layer is 273 mm, the washing layer is made of white steel, the diameter of the air pipe is 40 mm, the thickness of the lining protective layer is 150 mm, the lining protective layer is filled with magnesium powder, the outer diameter of the boot leg is 630 mm, the boot leg is made of carbon steel, and the length of the boot leg is 1400 mm; by adopting the mode that the thickness of the lining magnesium powder ramming material in the iron plate winding drum is 150mm, the Australian slag washing part adopts the double-layer baffle made of steel, and the middle is ventilated and cooled to prolong the service life, the device can be used for about 40 days, the effect is good, the manufacturing cost is about 6500 yuan, the service life is prolonged, and the cost is saved.

Description

Technical Field

[0001] The utility model belongs to the technical field of auxiliary equipment of a discharge system, in particular to a slag discharge boot. Background Art

[0002] The slag produced during the production process of the Ausmelt furnace needs to be discharged to the settling furnace through a chute and a boot. The slag discharge boot plays a buffering role and is used in a high temperature and strong scouring environment. It has very high requirements for its material and quality. The smelter has been using graphite boots made of high-power graphite electrodes. Each boot has a service life of 20 days and a unit price of about 20,000 yuan, which has a high production cost. Utility Model Content

[0003] In view of the above problems, the utility model provides a slag discharge boot, including a boot shell, a support plate, an air-cooling layer, a scouring layer and an inner lining protective layer, the inner lining protective layer is arranged on the inner side of the boot shell, the air-cooling layer is arranged on the inner side of the inner lining protective layer, two diameters of air ducts are welded in the air-cooling layer, the scouring layer is arranged on the inner side of the air-cooling layer, the inner diameter of the scouring layer is 273mm, which is white steel, the diameter of the air duct is 40mm, the thickness of the inner lining protective layer is 150mm, which is filled with magnesium powder, the outer diameter of the boot is 630mm, which is carbon steel, and the length of the boot is 1400mm; the utility model adopts an iron plate drum with an inner lining of magnesium powder ramming material with a thickness of 150mm, and the Australian slag scouring part is made of steel into a double-layer baffle, and the middle ventilation cooling is used to increase the service life. It can be used for about 40 days with good effect, and the production cost is about 6,500 yuan, which not only prolongs the service life but also saves costs.

[0004] The technical solution of the utility model is as follows: a slag discharge boot comprises a boot shell, an air-cooling layer, a scouring layer and an inner lining protective layer, the inner lining protective layer is arranged on the inner side of the boot shell, the air-cooling layer is arranged on the inner side of the inner lining protective layer, two diameter air ducts are welded in the air-cooling layer, and the scouring layer is arranged on the inner side of the air-cooling layer.

[0005] Furthermore, an opening is provided on one side of the end of the boot shaft, the longest part of the opening is 500 mm, and the opening is 500 mm deep.

[0006] Furthermore, a support plate is provided on the outer side of the boot shell, and the distance between the ends of the two support plates is 850 mm.

[0007] Furthermore, the inner diameter of the scour layer is 273 mm and is made of white steel.

[0008] Furthermore, the diameter of the air duct is 40 mm.

[0009] Furthermore, the thickness of the inner lining protective layer is 150 mm and is filled with magnesium powder.

[0010] Furthermore, the outer diameter of the boot is 630 mm and is made of carbon steel.

[0011] Furthermore, the boot shaft is 1400 mm in length.

[0012] The beneficial effects of the utility model are:

[0013] The utility model adopts an iron plate drum lined with magnesium powder ramming material with a thickness of 150mm. The Australian slag scouring part is made of steel into a double-layer baffle. The middle ventilation and cooling method increases the service life. It can be used for about 40 days with good effect. The production cost is about 6,500 yuan, which not only extends the service life but also saves costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the cross-sectional structure of the utility model.

[0015] Figure 2 for Figure 1 Middle AA cross section.

[0016] Figure 3 for Figure 1 Middle BB cross section.

[0017] Figure 4 It is a schematic diagram of the structure of the utility model from top view.

[0018] In the figure:

[0019] 1 boot shell, 2 air cooling layer, 3 flushing layer, 401 air duct inlet, 402 air duct outlet, 5 lining protection layer, 6 opening, 7 support plate. DETAILED DESCRIPTION

[0020] It should be noted that in the description of the present invention, the terms "center", "up", "down", "left", "right", "vertical", "horizontal", "inside", "outside", "clockwise", "counterclockwise", etc. indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction.

[0021] In the present invention, unless otherwise clearly specified and limited, the terms "set", "install", "connect", "connection", etc. should be understood in a broad sense. For example, "fixed" can be a fixed connection, a detachable connection, or an integral connection; the connection can be a mechanical connection or an electrical connection; the connection can be a direct connection or an indirect connection through an intermediate medium, and can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0022] A slag discharge boot comprises: a boot shell 1, an air cooling layer 2, a scouring layer 3 and an inner lining protective layer 5.

[0023] The boot shell 1 is made of carbon steel, with an outer diameter of 630 mm and a length of 1400 mm.

[0024] The inner lining protective layer 5 is arranged on the inner side of the boot shaft outer shell 1, has a thickness of 150 mm, and is filled with magnesium powder ramming material.

[0025] The air cooling layer 2 is arranged inside the inner lining protection layer 5, and two air ducts with a diameter of 40 mm are welded thereon, one being the air inlet and the other being the air outlet.

[0026] The scouring layer 3 is arranged inside the air-cooling layer 2, has an inner diameter of 273 mm, and is made of stainless steel.

[0027] An opening 6 is provided at one side of the end of the boot shaft, and the longest part of the opening 6 is 500 mm and the depth is 500 mm.

[0028] A support plate 7 is also provided on the outer side of the boot shell, and the distance between the ends of the two support plates 7 is 850 mm.

[0029] Air cooling layer, air duct diameter 40mm, incoming air pressure 0.6~0.65MPa.

[0030] The above is only a specific implementation of the utility model, but the protection scope of the utility model is not limited thereto. Any modification, equivalent replacement and improvement made by any technician familiar with the technical field within the technical scope disclosed by the utility model and within the spirit and principle of the utility model shall be covered by the protection scope of the utility model. At the same time, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

[0031] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

Claims

1. A slag discharge boot, characterized in that: include: The boot shell, the air cooling layer, the flushing layer and the lining protective layer, the lining protective layer is arranged on the inner side of the boot shell, the air cooling layer is arranged on the inner side of the lining protective layer, two diameter air ducts are welded in the air cooling layer, and the flushing layer is arranged on the inner side of the air cooling layer.

2. The slag discharge shoe according to claim 1, characterized in that: The inner diameter of the scouring layer is 273mm and is made of white steel.

3. The slag discharge boot according to claim 1, characterized in that: The diameter of the air duct is 40mm.

4. The slag discharge boot according to claim 1, characterized in that: The thickness of the lining protective layer is 150mm.

5. The slag discharge boot according to claim 4, characterized in that: The inner protective layer is filled with magnesium powder.

6. A slag discharge boot according to any one of claims 1 to 5, characterized in that: The outer diameter of the boot is 630mm and is made of carbon steel.

7. The slag discharge boot according to claim 6, characterized in that: The boot shaft is 1400mm long.

8. The slag discharge boot according to claim 7, characterized in that: An opening is arranged on one side of the end of the boot shaft, the longest part of the opening is 500mm, and the opening depth is 500mm.

9. The slag discharge boot according to claim 8, characterized in that: A support plate is also provided on the outside of the boot shell, and the distance between the ends of the two support plates is 850mm.

Images