JPH0345944Y2 - - Google Patents

Description

[Detailed Description of the Invention] "Technical Field" The present invention relates to a hanging panel applied to a heating furnace or the like.

"Prior art and its problems" In heating furnaces that heat objects such as steel with a flow of high-temperature gas, radiation of the high-temperature gas is primarily used as a means of heat transfer. Due to the low heat transfer efficiency of the furnace. Therefore, in recent years, it has been proposed to improve heat utilization efficiency by installing a radiant panel inside the furnace. It has also been proposed to use a breathable plate-like body as such a radiant panel.

The present applicant proposed in Utility Model Application Publication No. 60-45362 a radiant panel that is suspended and installed in a heating furnace. This radiant panel includes at least two hanging rods suspended from the top of the furnace at a predetermined interval;
A bottom plate connected to the lower part of the hanging rod, a plurality of vertical frames whose lower ends are supported by the bottom plate, stand parallel to each other, and have guides formed on their inner surfaces; The apparatus includes ceramic plate-shaped bodies supported by and arranged between the vertical frames, and a horizontal frame connected to the upper part of the hanging rod and supporting the upper part of the vertical frame.

However, in the above-mentioned radiant panel, for example, a pair of parallel ribs are formed on the inner surface as a guide for the inner surface of the vertical frame, and both side edges of the ceramic plate are inserted between these ribs to be supported. Therefore, when inserting a ceramic plate between the vertical frames, the upper end of the vertical frame must be opened from the horizontal frame. Therefore, when assembling panels or replacing damaged ceramic plates, the vertical frames must be supported parallel to each other by some means, and the ceramic plates are inserted one after the other starting from their upper ends. If the work was not done carefully, the frame would often come apart due to movement or inclination of the vertical frame, causing the ceramic plate to fall off or be damaged.

Furthermore, the inside of the furnace was constructed with ceramic plates, not necessarily with the main purpose of improving heat transfer efficiency through solid radiation, but simply to partition the inside of the furnace or to form a lining layer along the side walls of the furnace. Panels may also be hung, but similar problems arose in this case as well.

``Purpose of the invention'' In view of the above-mentioned problems with conventional hanging panels, the purpose of the invention is to easily insert or repair ceramic plates supported between vertical frames when assembling or repairing panels. To provide a hanging panel that can be pulled out.

"Structure of the invention" The hanging panel according to the invention includes at least two hanging rods suspended from the upper part of the furnace at a predetermined interval, and a bottom plate connected to the lower part of the hanging rods.
A plurality of vertical frames whose lower ends are supported by the bottom plate and are erected parallel to each other and have guides formed on their inner surfaces, and a plurality of vertical frames whose both side edges are supported by the guides and are arranged between the vertical frames. A ceramic plate-like body and a horizontal frame that is connected to the upper part of the hanging rod and supports the upper part of the vertical frame, and a part of the guide of the vertical frame is cut out so that the ceramic plate-like body can be inserted. It is characterized by having a section.

In this way, in the present invention, since the insertion part is provided by cutting out a part of the guide of the vertical frame, the insertion part can be inserted in a state where the upper end of the vertical frame is supported by the horizontal frame, that is, when the framework is completed. Ceramic plate-shaped bodies can be sequentially inserted or extracted. Therefore, when assembling or repairing panels, there is no need to support the vertical frames in parallel using other means, which greatly improves work efficiency and reduces the chance of ceramic plates falling off or being damaged due to carelessness. Become.

"Embodiment of the invention" As shown in FIG. 1, a pair of hanging rods 12, 12 are suspended in parallel through an upper furnace wall 11. A mounting fitting 13 is provided at the upper end of each hanging rod 12, and the length of the lower end of the hanging rod 12 can be adjusted by means of a bolt 10 of the fitting 13. The hanging rod 12 is preferably formed of high-strength ceramic such as pressureless sintered body of silicon carbide or silicon nitride.

A bottom plate 17 is attached to the lower part of the hanging rods 12, 12. As shown in FIG. 2, the bottom plate 17 has holes 15 at both ends through which the hanging rods 12 pass, and a guide groove 16 is formed in the upper surface along the longitudinal direction. Then, the hanging rod 12 is inserted into the hole 15, and as shown in FIG. It's starting to engage. The bottom plate 17 is preferably made of high-strength ceramics similar to the suspension rod 12.

The plurality of vertical frames 19 connect their lower ends to the bottom plate 1.
7 (see FIG. 2) and are supported, and are erected substantially perpendicularly to the bottom plate 17 and parallel to each other at predetermined intervals. Vertical frame 19
Ribs 19a are formed on both edges along the longitudinal direction to form an H-shaped cross section, and a guide groove 18 is formed between the ribs 19a. And this guide groove 1
8 is open toward the adjacent vertical frame 19. These vertical frames 19 can be formed by extrusion molding, casting molding, etc. of mullite, alumina, silicon carbide, silicon nitride, or the like.

Between each vertical frame 19 is a ceramic plate-like body 20.
are arranged in multiple stages in the vertical direction. In this case, the ceramic plate-like body 20 may have, for example, 10 to 30
A honeycomb body having a square or rectangular shape with a thickness of 1 to 3 cm and having a square hole with a partition wall of about 0.5 mm penetrated by a large number of square holes of about 5 mm each with partition walls of about 0.5 mm is preferably used. This ceramic plate-like body 20 is supported by inserting its side edges into the guide grooves 18 of each vertical frame 19, and is arranged in multiple stages in the vertical direction between each vertical frame 19 to form a panel surface.

The horizontal frame 22 has both ends thereof penetrated by the hanging rod 12 and is connected to the upper part of the hanging rod, so that the horizontal frame 22 can be slid up and down. In this embodiment, as shown in FIGS. 4 and 5, the horizontal frame 22 has an H-shaped cross section, but it may also have a U-shaped cross section or a prismatic shape.

The upper end 19b of each vertical frame 19 is connected to the horizontal frame 22.
is supported by. That is, the upper end portion 19b of the vertical frame 19 is reduced in diameter to form a stepped portion 19c, and is shaped into a prismatic or cylindrical shape (see FIG. 5). A hole 22a is formed, and the upper end 19b of the vertical frame 19 is inserted through the hole 22a. And the horizontal frame 22
is placed on the stepped portion 19c of the vertical frame 19, and its vertical position is defined.

Furthermore, in the present invention, as shown in FIGS. 4, 5 and 6, the ribs 19a of the vertical frame 19 are
An insertion portion 23 for the ceramic plate-shaped body 20 is formed by partially cutting out the upper part of the ceramic plate-like body 20 . In this embodiment, the insertion portion 23 is formed on one side of the panel, that is, the rib 19a on one side of the panel is partially cut out. More specifically, the rib 19a is cut out in the upper part of the vertical frame 19, which has an H-shaped cross section, so as to have a T-shaped cross section.

The length L of the notch part is the ceramic plate-shaped body 20.
The height H is the same as or larger than the height H. However, the length L is preferably less than twice the height H. In addition, when the insertion portion 23 is formed by providing a notch in each of the two vertical frames 19 adjacent to each other with the ceramic plate 20 in between, the vertical position and length of the notch are determined. It is preferable that these two vertical frames 19 are the same.

In the above configuration, the hanging rod 12 suspended from the furnace wall 11 supports the bottom plate 17, and
The horizontal frame 22 is supported so as to be vertically slidable. Then, the vertical frame 19 has its lower end inserted into the guide groove 16 of the bottom plate 17.
The upper end portion is inserted into the through hole 22b of the horizontal frame 22 and supported. Moreover, the ceramic plate-like body 20
is supported by inserting its both sides into the guide grooves 18 of each vertical frame 19 to form a panel surface. Therefore, a plurality of ceramic plates 20 can be tightly assembled to form a suspended panel having a large area.

In this case, the ceramic plate-like body 20 has, for example, a honeycomb shape and has air permeability, so that high-temperature gas flows through it, heat is easily transferred, and radiation performance is good. Most of the load of each ceramic plate-like body 20 is applied to the bottom plate 17, and the load of each ceramic plate-like body 20 is applied to the bottom plate 17, and the vertical frame 19 and horizontal frame 2
2, and since almost no bending stress acts, the structure is such that the vertical frame 19 and the horizontal frame 22 are not easily damaged.

A further feature of the present invention is that the ribs 19a of the vertical frame 19 are partially cut out to form the insertion portion 23 of the ceramic plate-like body 20.
This allows the upper end 19a of the vertical frame 19 to be connected to the horizontal frame 22.
With the ceramic plates 20 inserted and supported through the through-holes 22b, the ceramic plates 20 can be inserted from the insertion portion 23 and arranged sequentially in the vertical direction, as shown by the arrow P in FIG. That is, the panel can be constructed by sequentially inserting the ceramic plate-like bodies 20 in a state in which the framework is completed, which greatly improves the work efficiency. Furthermore, when any of the ceramic plates 20 is damaged, in conventional hanging panels, the horizontal frame 22 is removed from the vertical frame 19, and the ceramic plate 20 is inserted and removed from the upper end of the vertical frame 19 to replace it. However, in the present invention, the ceramic plates 20 can be sequentially inserted and removed from the insertion portion 23 while the upper end portion 19a of the vertical frame 19 is supported by the horizontal frame 22, making the work extremely easy. During the work, it is possible to prevent the framework from disassembling and damaging other ceramic plate bodies 20.

Incidentally, in the above embodiment, the insertion part 23 is formed at the upper part of the vertical frame 19, but the insertion part 23 may also be formed at the middle or lower part of the vertical frame 19, as shown in FIG. good. That is, the vertical frame 19
The middle or lower part of the rib 19a may be partially cut out. In this case as well, as shown by the arrow P in FIG.
can be sequentially inserted from the insertion portion 23 and arranged in the vertical direction.

Note that the position of the insertion portion is
It is preferable that when the 0s are piled up from below, their adjacent positions are between the insertion portions. That is, it is preferable that at least a portion of the ceramic plate-shaped body 20 be held between the pair of ribs 19a.

Further, the vertical frame 19 is not limited to the H-shaped cross section,
As shown in the figure, it may have a U-shaped cross section. The vertical frames 19 having a U-shaped cross section can be used as they are on both sides of the panel, but in the middle of the panel it is necessary to arrange two of each in order to support the ceramic plates 20 on both sides. Then, by partially cutting out the ribs 19a on one surface of the panel at corresponding left and right positions, the insertion portions 23 of the ceramic plate-shaped body 20 can be formed.

Furthermore, a rib 19 for forming the insertion portion 23
Various aspects can be considered for the notch state of a. That is, as shown in FIG. 9, the rib 1 on one side
9a may be partially cut out so that the protruding length is shorter than other parts. In this way, if the width for inserting the ceramic plate 20 is secured,
The rib 19a does not necessarily have to be cut out from its base.

Also. As shown in FIG. 10, the insertion section 23 is
It can also be formed by cutting out only one of the left and right ribs 19a. In this case as well, it is necessary to cut out one of the left and right ribs 19a to form a width that allows insertion of the ceramic plate 20.

Further, in the embodiment shown in FIG. 6, the rib 19a on one side of the panel is cut out, and the rib 19a on the other side is not cut out, but as shown in FIG. 11, the rib 19a on both sides of the panel is cut out. It may be cut out, and the same can be applied to the embodiments of FIGS. 8, 9, and 10.

FIG. 12 shows another embodiment in which the structure of the guide of the vertical frame 19 is changed. In other words, vertical frame 1
A protrusion 19d is formed on the inner surface of the ceramic plate 9, and the protrusion 19d is formed on both side edges of the ceramic plate-like body 20.
A groove 20a into which d is fitted is formed. Then, the vertical frame 1 is inserted into the groove 20a of the ceramic plate-like body 20.
The ceramic plate-like body 20 is supported between the vertical frames 19 by fitting the protrusions 19d of 9 into each other. In this case, the insertion portion 23 into which the ceramic plate-like body 20 is inserted is formed by partially cutting out the protrusion 19d.

In addition, in this invention, the number of hanging rods may be three or more as necessary. Further, as the ceramic plate-like body 20, a honeycomb-like one is preferable because it is lightweight and has low air permeability resistance, and among them, cordierite, mullite, silicon carbide,
Those made of silicon nitride, alumina, etc. are more preferable because they have high radioactivity and/or high heat resistance. However, the breathable ceramic plate 20
is not limited to a honeycomb shape, and may have, for example, a three-dimensional network of ventilation holes. Furthermore, although it is preferable that the ceramic plate-like body 20 has air permeability, it may be non-air permeable.

By the way, when applying the hanging panel according to the present invention to a heating furnace as a radiant panel, it is efficient to hang it perpendicular to the high-temperature gas flow.
However, the present invention is not limited thereto, and it may be installed parallel to or obliquely to the high-temperature gas flow, for example. Also,
If the inside of the heating furnace is wide in length or width, a plurality of hanging panels as described above may be arranged in the same plane or in parallel to each other.

Furthermore, although it is preferable that the hanging panel of the present invention be hung approximately vertically, it may be hung at an appropriate inclination within the range that does not impair the purpose or effect of the present invention. In this case, it is preferable that the upper part of the hanging rod has a bendable structure, the lower part of the panel is supported by a different support means, and the insertion part 23 is formed only on one side of the panel facing upward.

"Effect of the invention" As explained above, according to the invention, a part of the guide of the vertical frame is cut out to provide an insertion part for the ceramic plate, so that when the frame is assembled, Ceramic plate-shaped bodies can be inserted between the vertical frames from the insertion part, or pulled out, and assembled or repaired into a panel, greatly improving work efficiency. It is possible to eliminate inconveniences such as damage to the shaped body.

[Brief explanation of the drawing]

Fig. 1 is a front view showing an embodiment of the hanging panel according to the present invention, Fig. 2 is a cross-sectional view taken along line A-A in Fig. 1, and Fig. 3 is a sectional view taken along line B-B in Fig. 1. 4 is a partially enlarged front view showing the structure of the upper part of the vertical frame of the hanging panel, and FIG.
6 is a sectional view taken along line C-C in the figure, FIG. 6 is a sectional view taken along line D-D in FIG. 4, and FIG. 7 is another example of the insertion part in the hanging panel of the present invention. 5, FIG. 8, FIG. 9, FIG. 10, FIG. 11, and FIG. 12 are sectional views similar to FIG. 5, and FIG. This is a similar diagram. In the figure, 11 is an upper furnace wall, 12 is a hanging rod, 17 is a bottom plate, 18 is a guide groove, 19 is a vertical frame, 19a is a rib, 19b is an upper end, 20 is a ceramic plate, 22 is a horizontal frame, 22a is a through hole, and 23 is an insertion portion.

Claims (1)

[Scope of Claim for Utility Model Registration] 1. A hanging panel installed in a furnace, comprising at least two hanging rods suspended from the top of the furnace at a predetermined interval, and the hanging panels. A bottom plate connected to the lower part of the lower rod, a plurality of vertical frames whose lower ends are supported by the bottom plate, stand parallel to each other, and have guides formed on their inner surfaces, and whose side edges are supported by the guides. and a horizontal frame connected to the upper part of the hanging rod and supporting the upper part of the vertical frame, the part of the guide of the vertical frame. 1. A hanging panel characterized in that the panel is cut out to provide an insertion portion for the ceramic plate. 2 Utility Model Registration Claim 1, wherein the guide comprises a pair of parallel ribs formed on the inner surface of the vertical frame, and the ceramic plate is inserted and supported between the ribs. and the insertion portion is formed by partially cutting out the rib. 3 Utility Model Registration Claim Claim 1, wherein the guide comprises a protrusion formed on the inner surface of the vertical frame, and grooves into which the protrusion fits are formed on both side edges of the ceramic plate. and the ceramic plate-like body is supported by inserting the protrusion into the groove, and the insertion portion is formed by partially cutting out the protrusion.