Drawer type furnace lining structure of vertical high-temperature furnace

Abstract

The utility model belongs to the technical field of vertical high-temperature furnaces, and particularly relates to a drawer type furnace lining structure of a vertical high-temperature furnace, which comprises an inner shell and three outer shells, the inner shell is an uncovered barrel, and the three outer shells are sequentially connected to the outer wall of the inner shell in a sleeving mode from top to bottom. The high-temperature furnace has the beneficial effects that the heating pipe is fixedly connected to the inner side of the drawing support plate, the heating pipe can be taken out along with the drawing support plate during maintenance, the shell of the whole high-temperature furnace does not need to be disassembled and then installed, and the electric heating pipe is convenient to maintain; the multiple heating pipes are externally connected to the positive electrode and the negative electrode of the power source, so that the multiple heating pipes are connected in parallel, when one heating pipe is damaged, other heating pipes can still operate normally, only the damaged heating pipe needs to be detached during maintenance, and at the moment, the high-temperature furnace can still operate normally; a detection hole is formed in the drawing supporting plate and communicated with the wire, and a worker can detect whether the wire is electrified or not through the detection hole, so that whether the heating pipe connected with the wire needs to be maintained or not is judged.

Description

Technical Field

[0001] The utility model belongs to the technical field of vertical high-temperature furnaces, and particularly relates to a drawer-type furnace lining structure of a vertical high-temperature furnace. Background Art

[0002] In the prior art, the outer shell of a vertical high-temperature furnace is a whole, and all the heating tubes inside the outer shell are connected in series to the power supply. If one heating tube fails, the entire circuit will stop working and all the heating tubes will stop running. When repairing, the whole outer shell needs to be removed, which is rather difficult to repair. Moreover, it is difficult to detect the faulty heating tube, reducing the repair efficiency and thus reducing the operation duration of the high-temperature furnace. Content of the Utility Model

[0003] The utility model provides a drawer-type furnace lining structure of a vertical high-temperature furnace for the above problems.

[0004] The utility model relates to a drawer-type furnace lining structure of a vertical high-temperature furnace, which includes an inner shell and three outer shells; the inner shell is an uncovered round barrel, and the three outer shells are sleeved on the outer wall of the inner shell in sequence from top to bottom.

[0005] Preferably, the outer shell includes a first annular frame and a second annular frame, and the first annular frame and the second annular frame are sleeved on the outer wall of the inner shell in sequence from top to bottom.

[0006] Preferably, the outer shell further includes a plurality of arc-shaped support plates, the inner arc surface of the arc-shaped support plate is closely attached to the outer wall of the inner shell, the upper and lower sides of the arc-shaped support plate are respectively fixedly connected to the first annular frame and the second annular frame, and two sliding grooves are respectively formed on both sides of the arc-shaped support plate.

[0007] Preferably, the outer shell further includes a plurality of arc-shaped limiting plates I, the inner arc surface of the arc-shaped limiting plate I is closely attached to the outer wall of the inner shell, the upper part of the arc-shaped limiting plate I is fixedly connected to the lower part of the first annular frame, and both sides of the arc-shaped limiting plate I are respectively fixedly connected to two adjacent arc-shaped support plates.

[0008] Preferably, the outer shell further includes a plurality of arc-shaped limiting plates II, the inner arc surface of the arc-shaped limiting plate II is closely attached to the outer wall of the inner shell, the lower part of the arc-shaped limiting plate II is fixedly connected to the upper part of the second annular frame, and both sides of the arc-shaped limiting plate II are respectively fixedly connected to two adjacent arc-shaped support plates.

[0009] Preferably, the outer shell further includes a plurality of draw support plates, the draw support plates are slidably connected between adjacent arc-shaped support plates, the upper and lower sides of the draw support plates are respectively slidably connected to the first annular frame and the second annular frame, two sliders are respectively arranged on both sides of the draw support plate, and the sliders slide in the sliding grooves.

[0010] Preferably, the thickness of the arc-shaped support plate is equal to the sum of the thicknesses of the first arc-shaped limiting plate and the drawable support plate, and the first arc-shaped limiting plate and the second arc-shaped limiting plate have the same thickness.

[0011] Preferably, the outer shell further includes a plurality of heating tubes, which are fixedly connected to the side of the drawable support plate close to the inner shell, and the heating tubes are connected to wires provided inside the drawable support plate.

[0012] Preferably, a handle is provided on the side of the drawable support plate away from the inner shell, a detection hole is opened above the handle on the drawable support plate, the detection hole communicates with the wire, and a drawable hole cover is provided in the detection hole.

[0013] Preferably, the plurality of heating tubes are all externally connected to the positive and negative electrodes of the power supply.

[0014] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0015] Compared with the prior art, by using the drawer-type furnace lining structure of the vertical high-temperature furnace of the present utility model,

[0016] (1) The heating tubes are fixedly connected to the inner side of the drawable support plate. During maintenance, the heating tubes can be taken out together with the drawable support plate, without the need to remove and reinstall the outer shell of the entire high-temperature furnace, which is convenient for maintaining the electric heating tubes, improves the maintenance efficiency, and increases the operating time of the high-temperature furnace;

[0017] (2) The plurality of heating tubes are all externally connected to the positive and negative electrodes of the power supply, so that the plurality of heating tubes are in parallel connection. When one of the heating tubes is damaged, the other heating tubes can still operate normally, and during maintenance, only the damaged heating tube needs to be removed, and at this time, the high-temperature furnace can still operate normally;

[0018] (3) A detection hole communicating with the wire is provided on the drawable support plate, and the staff can detect whether there is electricity in the wire through the detection hole, so as to judge whether the heating tube connected to the wire needs to be maintained, improving the efficiency of overhauling the high-temperature furnace. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following will briefly introduce the drawings required for the description of the embodiments:

[0020] Figure 1 Schematic diagram of the drawer-type furnace lining structure of the vertical high-temperature furnace provided in Embodiment 1;

[0021] Figure 2 Front view of the drawer-type furnace lining structure of the vertical high-temperature furnace provided in Embodiment 1;

[0022] Figure 3Rear view of the drawer - type furnace lining structure of the vertical high - temperature furnace provided for Example 1;

[0023] Figure 4 Side view of the drawer - type furnace lining structure of the vertical high - temperature furnace provided for Example 1;

[0024] Figure 5 Top view of the drawer - type furnace lining structure of the vertical high - temperature furnace provided for Example 1.

[0025] Explanation of reference numerals:

[0026] 1 - inner shell, 2 - outer shell, 3 - first annular frame, 4 - second annular frame, 5 - arc - shaped support plate, 6 - sliding groove, 7 - first arc - shaped limiting plate, 8 - second arc - shaped limiting plate, 9 - pull - out support plate, 10 - slider, 11 - heating tube, 12 - handle, 13 - detection hole, 14 - pull - out hole cover. Detailed implementation manners

[0027] In order to more clearly understand the above - mentioned objects, features and advantages of the present utility model, the present utility model will be further described below with reference to the drawings and embodiments.

[0028] In the following description, many specific details are set forth in order to fully understand the present utility model. However, the present utility model can also be implemented in other ways different from those described herein. Therefore, the present utility model is not limited by the specific embodiments disclosed in the following specification.

[0029] Example 1

[0030] The following combines Figures 1 - 5 to further describe the present utility model. As Figures 1 - 5 shown, a drawer - type furnace lining structure of a vertical high - temperature furnace includes an inner shell 1 and three outer shells 2; the inner shell 1 is a lidless cylinder, and the three outer shells 2 are sleeved on the outer wall of the inner shell 1 in sequence from top to bottom.

[0031] As Figures 1 - 5 shown, the outer shell 2 includes a first annular frame 3 and a second annular frame 4, and the first annular frame 3 and the second annular frame 4 are sleeved on the outer wall of the inner shell 1 in sequence from top to bottom.

[0032] As Figures 1 - 5 shown, the outer shell 2 further includes a plurality of arc - shaped support plates 5. The inner arc - shaped surface of the arc - shaped support plate 5 closely adheres to the outer wall of the inner shell 1. The upper and lower sides of the arc - shaped support plate 5 are respectively fixedly connected to the first annular frame 3 and the second annular frame 4. Two sliding grooves 6 are respectively opened on both sides of the arc - shaped support plate 5.

[0033] As Figures 1 - 5As shown in the figure, the outer shell 2 further includes a plurality of first arc-shaped limiting plates 7. The inner arc-shaped surface of the first arc-shaped limiting plate 7 is closely attached to the outer wall of the inner shell 1. The upper part of the first arc-shaped limiting plate 7 is fixedly connected to the lower part of the first annular frame 3, and both sides of the first arc-shaped limiting plate 7 are respectively fixedly connected to two adjacent arc-shaped supporting plates 5.

[0034] As Figures 1 - 5 shown in the figure, the outer shell 2 further includes a plurality of second arc-shaped limiting plates 8. The inner arc-shaped surface of the second arc-shaped limiting plate 8 is closely attached to the outer wall of the inner shell 1. The lower part of the second arc-shaped limiting plate 8 is fixedly connected to the upper part of the second annular frame 4, and both sides of the second arc-shaped limiting plate 8 are respectively fixedly connected to two adjacent arc-shaped supporting plates 5.

[0035] As Figures 1 - 5 shown in the figure, the outer shell 2 further includes a plurality of pull-out supporting plates 9. The pull-out supporting plates 9 are slidably connected between adjacent arc-shaped supporting plates 5. The upper and lower sides of the pull-out supporting plates 9 are respectively slidably connected to the first annular frame 3 and the second annular frame 4. Two sliders 10 are respectively arranged on both sides of the pull-out supporting plates 9, and the sliders 10 slide in the sliding grooves 6.

[0036] As Figures 1 - 5 shown in the figure, the thickness of the arc-shaped supporting plate 5 is equal to the sum of the thicknesses of the first arc-shaped limiting plate 7 and the pull-out supporting plate 9, and the first arc-shaped limiting plate 7 and the second arc-shaped limiting plate 8 have the same thickness.

[0037] As Figures 1 - 5 shown in the figure, the outer shell 2 further includes a plurality of heating tubes 11. The heating tubes 11 are fixedly connected to the side of the pull-out supporting plate 9 close to the inner shell 1, and the heating tubes 11 are connected to the wires arranged inside the pull-out supporting plate 9.

[0038] As Figures 1 - 5 shown in the figure, a handle 12 is arranged on the side of the pull-out supporting plate 9 away from the inner shell 1. A detection hole 13 is opened above the handle 12 on the pull-out supporting plate 9. The detection hole 13 communicates with the wire, and a pull-out hole cover 14 is arranged in the detection hole 13.

[0039] The positive and negative electrodes of a plurality of heating tubes 11 are all externally connected to the power supply.

[0040] Working principle: When repairing the vertical high-temperature furnace, the general position of the faulty heating tube 11 is determined through the heating situation. For each heating tube 11 at this position, it is detected whether there is current in the wire through the detection hole 13. The heating tube 11 without current in the wire is the faulty heating tube 11. The pull-out supporting plate 9 at this position is pulled out, and the faulty heating tube 11 is repaired.

[0041] The above are only the preferred embodiments of the present utility model, and are not intended to limit the present utility model in other forms. Any person skilled in the art may use the technical content disclosed above to make changes or modifications into equivalent embodiments with equivalent changes and apply them to other fields. However, as long as it does not depart from the technical solution content of the present utility model, any simple modification or equivalent change made to the above embodiments based on the technical essence of the present utility model still belongs to the protection scope of the technical solution of the present utility model.

Claims

1. A drawer-type furnace lining structure for a vertical high-temperature furnace, characterized in that It includes an inner shell (1) and three outer shells (2); the inner shell (1) is an uncovered round barrel, and the three outer shells (2) are sleeved on the outer wall of the inner shell (1) in sequence from top to bottom.

2. The drawer-type furnace lining structure of the vertical high-temperature furnace according to claim 1, characterized in that, The outer shell (2) includes a first annular frame (3) and a second annular frame (4), and the first annular frame (3) and the second annular frame (4) are sleeved on the outer wall of the inner shell (1) in sequence from top to bottom.

3. The drawer-type furnace lining structure of the vertical high-temperature furnace according to claim 2, characterized in that, The outer shell (2) further includes a plurality of arc-shaped support plates (5), the inner arc surface of the arc-shaped support plate (5) closely adheres to the outer wall of the inner shell (1), the upper and lower sides of the arc-shaped support plate (5) are respectively fixedly connected to the first annular frame (3) and the second annular frame (4), and two sliding grooves (6) are respectively opened on both sides of the arc-shaped support plate (5).

4. The drawer-type furnace lining structure of the vertical high-temperature furnace according to claim 3, characterized in that, The outer shell (2) further includes a plurality of first arc-shaped limiting plates (7), the inner arc surface of the first arc-shaped limiting plate (7) closely adheres to the outer wall of the inner shell (1), the upper part of the first arc-shaped limiting plate (7) is fixedly connected to the lower part of the first annular frame (3), and both sides of the first arc-shaped limiting plate (7) are respectively fixedly connected to two adjacent arc-shaped support plates (5).

5. The drawer-type furnace lining structure of the vertical high-temperature furnace according to claim 4, characterized in that, The outer shell (2) further includes a plurality of second arc-shaped limiting plates (8), the inner arc surface of the second arc-shaped limiting plate (8) closely adheres to the outer wall of the inner shell (1), the lower part of the second arc-shaped limiting plate (8) is fixedly connected to the upper part of the second annular frame (4), and both sides of the second arc-shaped limiting plate (8) are respectively fixedly connected to two adjacent arc-shaped support plates (5).

6. The drawer-type furnace lining structure of the vertical high-temperature furnace according to claim 5, characterized in that, The outer shell (2) further includes a plurality of drawable support plates (9), the drawable support plates (9) are slidably connected between adjacent arc-shaped support plates (5), the upper and lower sides of the drawable support plates (9) are respectively slidably connected to the first annular frame (3) and the second annular frame (4), two sliders (10) are respectively arranged on both sides of the drawable support plates (9), and the sliders (10) slide in the sliding grooves (6).

7. The drawer-type furnace lining structure of the vertical high-temperature furnace according to claim 6, characterized in that, The thickness of the arc-shaped support plate (5) is equal to the sum of the thicknesses of the first arc-shaped limiting plate (7) and the drawable support plate (9), and the first arc-shaped limiting plate (7) and the second arc-shaped limiting plate (8) have the same thickness.

8. The drawer-type furnace lining structure of the vertical high-temperature furnace according to claim 7, characterized in that, The outer shell (2) further includes a plurality of heating tubes (11), the heating tubes (11) are fixedly connected to the side of the drawable support plate (9) close to the inner shell (1), and the heating tubes (11) are connected to the wires provided inside the drawable support plate (9).

9. The drawer-type furnace lining structure of the vertical high-temperature furnace according to claim 8, characterized in that, A handle (12) is arranged on the side of the drawable support plate (9) away from the inner shell (1), a detection hole (13) is opened above the handle (12) on the drawable support plate (9), the detection hole (13) communicates with the wire, and a drawable hole cover (14) is arranged in the detection hole (13).

10. The drawer-type furnace lining structure of the vertical high-temperature furnace according to claim 9, characterized in that, A plurality of the heating tubes (11) are all externally connected to the positive and negative poles of a power supply.

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