CN215063717U - Fluidized bed furnace firebrick wall maintenance reinforced structure - Google Patents
Fluidized bed furnace firebrick wall maintenance reinforced structure Download PDFInfo
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- CN215063717U CN215063717U CN202120856168.8U CN202120856168U CN215063717U CN 215063717 U CN215063717 U CN 215063717U CN 202120856168 U CN202120856168 U CN 202120856168U CN 215063717 U CN215063717 U CN 215063717U
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Abstract
The utility model discloses a fluidized bed furnace firebrick wall maintenance reinforced structure, including the red brick wall in the outside, the inside wall fixedly connected with heat preservation of the red brick wall in the outside, the heat preservation is kept away from the inboard firebrick wall of a lateral wall fixedly connected with of the red brick wall in the outside, the inside of the red brick wall in the outside is provided with the pull rod of a plurality of tip area screw threads, the pull rod of tip area screw thread is close to the one end fixed connection steel sheet of lateral wall in the red brick wall in the outside, the one side that the red brick wall in the outside was kept away from to the steel sheet evenly is provided with a plurality of raking nails. The utility model discloses in, solve the fluidized bed furnace and damage, lose after the overlap joint brick between red brick wall in the outside and the inboard firebrick wall, maintain once more, interior outer wall can't form wholly, easily takes place to warp, problem that life cycle is short, the invention is damaged with the firebrick wall, does not establish the firebrick wall that the overlap joint layer was directly built by laying bricks or stones and compares, slows down wall body deformation speed, the firebrick wall life more than 3 months after the extension was built by laying bricks or stones.
Description
Technical Field
The utility model relates to a firebrick wall technical field especially relates to a fluidized bed furnace firebrick wall maintenance reinforced structure.
Background
There are many enterprises that use the boiling furnace as the equipment that provides the heat source, and the boiling furnace is in the use, and the red brick wall in outside is almost rare to take place to damage, but along with running time, start-stop furnace's cold and hot alternation and slag erosion, the refractory brick wall can take place to warp, fall the brick, even collapse, needs to build the maintenance again. At the moment, the overlapped bricks of the outer red brick wall and the inner refractory brick wall are broken and damaged when the outer red brick wall and the inner refractory brick wall are built at first, the inner refractory station wall and the outer red brick wall which are maintained and built again lose the overlapped joints, the service life is shorter in the using process, the deformation and the damage are easier to occur, and the cost is too high if the outer red brick wall and the undamaged outer red brick wall are maintained together.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a maintenance and reinforcement structure for a refractory brick wall of a fluidized bed furnace.
In order to achieve the above purpose, the utility model adopts the following technical scheme: including the red brick wall in the outside, the inside wall fixedly connected with heat preservation of the red brick wall in the outside, the inboard firebrick wall of a lateral wall fixedly connected with of the red brick wall in the outside is kept away from to the heat preservation, the inside of the red brick wall in the outside is provided with the pull rod of a plurality of tip area screw threads, the pull rod of tip area screw thread is close to the one end fixed connection steel sheet of the inside wall of the red brick wall in the outside, the one side that the red brick wall in the outside was kept away from to the steel sheet evenly is provided with a plurality of raking nails.
As a further description of the above technical solution:
the outer side wall of the outer side red brick wall is provided with a channel steel, one end of the pull rod with the screw thread at the end part penetrates through the channel steel, and the channel steel is fixed with a nut through the pull rod with the screw thread at the end part.
As a further description of the above technical solution:
the outer side wall of the outer red brick wall is provided with a metal frame, and the metal frame is arranged on the inner side of the channel steel and fixedly connected with the channel steel.
As a further description of the above technical solution:
a plurality of refractory castable materials are arranged between the outer red brick wall and the inner refractory brick wall, and the refractory castable materials penetrate through the heat preservation layer and stretch into the inner refractory brick wall.
As a further description of the above technical solution:
and one surface of the steel plate, which is far away from the red brick wall on the outer side, is fixedly connected with the refractory castable.
As a further description of the above technical solution:
the harrow nails are arranged in the refractory castable, and the openings of the harrow nails face to the inner refractory brick wall.
As a further description of the above technical solution:
the central line of the channel steel is aligned with the central line of the pull rod with the screw thread at the end part.
As a further description of the above technical solution:
the pull rods with the screw threads at the end parts are provided with a plurality of rows, and the distance between the adjacent pull rods with the screw threads at the end parts in the pull rods with the screw threads at the end parts in each row is set to be 500-1000 mm.
The utility model discloses following beneficial effect has:
compared with the prior art, the maintenance and reinforcement structure for the refractory brick wall of the fluidized bed furnace is designed, and the steel plate is fixed on the channel steel welded with the frame of the fluidized bed furnace through the nut by the pull rod with the screw thread at the end part; the method comprises the steps of welding the raker nails on the steel plate, pouring materials to replace overlapping bricks to be overlapped on the refractory brick wall, enabling the outer red brick wall and the inner refractory brick wall to form an integral structure, solving the problems that the inner wall and the outer wall cannot form an integral body, are easy to deform and have short service life after the fluidized bed furnace is damaged and the overlapping bricks between the outer red brick wall and the inner refractory brick wall are lost, and maintaining again.
Drawings
FIG. 1 is a side sectional view of a refractory brick wall of a fluidized bed furnace according to the present invention;
FIG. 2 is a schematic view of the outer wall of the fluidized bed furnace of the refractory brick wall maintenance reinforcement structure of the fluidized bed furnace of the present invention;
fig. 3 is a top sectional view of a wall of a fluidized bed furnace of the refractory brick wall maintenance and reinforcement structure of the fluidized bed furnace of the present invention.
Illustration of the drawings:
1. an outer red brick wall; 2. an inner refractory brick wall; 3. a heat-insulating layer; 4. a metal frame; 5. channel steel; 6. a steel plate; 7. raking nails; 8. refractory castable; 9. a pull rod with screw threads at the end part; 10. and (4) a nut.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-3, the present invention provides an embodiment: including the red brick wall in the outside 1, the inside wall fixedly connected with heat preservation 3 of the red brick wall in the outside 1, the inboard firebrick wall 2 of a lateral wall fixedly connected with of the red brick wall in the outside 1 is kept away from to heat preservation 3, the lateral wall of the red brick wall in the outside 1 is provided with channel-section steel 5, channel-section steel 5 is passed to the one end of the pull rod 9 of tip area screw thread, channel-section steel 5 is fixed with nut 10 through the pull rod 9 of tip area screw thread, the lateral wall of the red brick wall in the outside 1 is provided with metal framework 4, metal framework 4 sets up at the inboard of channel-section steel 5 and with 5 fixed connection of channel-section steel, be provided with a plurality of refractory castable 8 between red brick wall in the outside 1 and the inboard firebrick wall 2, refractory castable 8 runs through heat preservation 3 and stretches into inside firebrick wall 2 inside, the one side and the refractory castable 8 fixed connection of the red brick wall in the outside are kept away from to steel sheet 6.
The inside of outside red brick wall 1 is provided with the pull rod 9 of a plurality of tip area screw threads, the pull rod 9 of tip area screw threads is close to the one end fixed connection steel sheet 6 of the 1 inside wall of outside red brick wall, the one side that outside red brick wall 1 was kept away from to steel sheet 6 evenly is provided with a plurality of brazes 7, brazes 7 set up the inside at refractory castable 8, the opening of brazes 7 is towards inboard refractory brick wall 2, the central line of channel-section steel 5 aligns with the central line of the pull rod 9 of tip area screw threads, the pull rod 9 of tip area screw threads is provided with a plurality of rows, the pull rod 9 interval of adjacent tip area screw threads sets up to 500 and adds 1000mm in the pull rod 9 of every row of tip area screw threads.
The working principle is as follows: the invention mainly solves the problem that when the inner side refractory brick wall 2 of the fluidized bed furnace is maintained and constructed, the lap bricks are broken, and the inner side refractory brick wall 2 and the outer side red brick wall 1 cannot form a whole, so that the service life is short.
When in maintenance construction, firstly, the damaged inner refractory brick wall 2 is built to the position of the first layer of overlapping bricks of the original inner and outer walls;
secondly, filling the heat-insulating layer 3 in place according to the construction requirements;
thirdly, drilling holes in the red brick wall 1 on the outer side of the position, about the thickness of a refractory brick, above the first layer of overlapped brick layer, wherein the diameter of the drilled holes is selected according to the actual requirement, the diameter is recommended to be 14-18mm, and the diameter of the pull rod 9 with the screw thread at the end part selected for maintenance is 16 mm;
fourthly, drilling holes on the basis of the drilling plane selected in the third step, wherein the hole distance is 500 plus 1000mm, the distance between the maintenance and the end of the wall is 500mm, and the hole distance between the middle part of the maintenance and the wall is 1000 mm;
fifthly, aligning the center line of the channel steel 5 with the center line of the hole, and welding the channel steel 5 with the model of 100 on the metal frame 4 of the fluidized bed furnace;
sixthly, drilling holes at positions on the channel steel 5 corresponding to the holes on the red brick wall 1 on the outer side of the boiling furnace;
seventhly, manufacturing the steel plate 6 into small sections with the width of 150mm and the length of 1000mm, so that construction is facilitated, and the thickness of the steel plate 6 is 10 mm;
eighthly, a pull rod 9 with screw threads at the end part penetrates into the inner side of the outer red brick wall 1 through the channel steel 5 and holes in the outer red brick wall 1, and the screw thread part of the pull rod is positioned outside the outer red brick wall 1;
ninth, welding the end part of a pull rod 9 with screw threads at the end part with the steel plate 6 at the inner side of the outer red brick wall 1, wherein the welding position is positioned on the central line of the steel plate 6 as far as possible;
step ten, welding adjacent steel plates 6 into a whole;
step ten, fixing the steel plate 6 firmly by using a nut 10;
step ten, welding the brads 7 on the central line of the steel plate 6, wherein the length of the Y brads 7 is 100mm, the opening width is less than 80mm, the brads 7 can be determined according to the thickness of the actual refractory wall of the fluidized bed furnace and the thickness of the set lap layer, and the distance between the brads 7 is 200 mm and 300 mm;
sixthly, transversely building two layers of refractory bricks on the inner side surfaces of the inner refractory brick walls 2 at the lap joint layer, and pouring refractory castable 8 on the side surfaces, close to the heat preservation layer 3, of the two layers of refractory bricks, wherein the pouring height is 130mm and is flush with the top surfaces of the two layers of refractory bricks;
fourteenth, the inner refractory brick wall 2 is continuously and normally constructed on the lapping layer to the next lapping layer, and the step is repeated.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.
Claims (8)
1. The utility model provides a fluidized bed furnace firebrick wall maintenance reinforced structure, includes red brick wall in outside (1), its characterized in that: inside wall fixedly connected with heat preservation (3) of outside red brick wall (1), a lateral wall fixedly connected with inboard refractory brick wall (2) of outside red brick wall (1) are kept away from in heat preservation (3), the inside of outside red brick wall (1) is provided with pull rod (9) of a plurality of tip area screw threads, one end fixed connection steel sheet (6) that pull rod (9) of tip area screw thread are close to outside red brick wall (1) inside wall, the one side that outside red brick wall (1) was kept away from in steel sheet (6) evenly is provided with a plurality of brads nail (7).
2. The repair and reinforcement structure for the refractory brick wall of the boiling furnace as claimed in claim 1, wherein: the outer side wall of the outer red brick wall (1) is provided with channel steel (5), one end of a pull rod (9) with screw threads at the end part penetrates through the channel steel (5), and the channel steel (5) is fixed with a nut (10) through the pull rod (9) with screw threads at the end part.
3. The repair and reinforcement structure for the refractory brick wall of the boiling furnace as claimed in claim 1, wherein: the outer side wall of the outer red brick wall (1) is provided with a metal frame (4), and the metal frame (4) is arranged on the inner side of the channel steel (5) and fixedly connected with the channel steel (5).
4. The repair and reinforcement structure for the refractory brick wall of the boiling furnace as claimed in claim 1, wherein: a plurality of refractory castable materials (8) are arranged between the outer red brick wall (1) and the inner refractory brick wall (2), and the refractory castable materials (8) penetrate through the heat preservation layer (3) and stretch into the inner refractory brick wall (2).
5. The repair and reinforcement structure for the refractory brick wall of the boiling furnace as claimed in claim 1, wherein: and one surface of the steel plate (6) far away from the red brick wall (1) on the outer side is fixedly connected with the refractory castable (8).
6. The repair and reinforcement structure for the refractory brick wall of the boiling furnace as claimed in claim 1, wherein: the harrow nails (7) are arranged inside the refractory castable (8), and the openings of the harrow nails (7) face the inner refractory brick wall (2).
7. The repair and reinforcement structure for the refractory brick wall of the boiling furnace as claimed in claim 2, wherein: the central line of the channel steel (5) is aligned with the central line of the pull rod (9) with screw threads at the end part.
8. The repair and reinforcement structure for the refractory brick wall of the boiling furnace as claimed in claim 1, wherein: the pull rods (9) with the screw threads at the end parts are provided with a plurality of rows, and the distance between the adjacent pull rods (9) with the screw threads at the end parts in the pull rods (9) with the screw threads at the end parts in each row is set to be 500mm and 1000 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120856168.8U CN215063717U (en) | 2021-04-25 | 2021-04-25 | Fluidized bed furnace firebrick wall maintenance reinforced structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120856168.8U CN215063717U (en) | 2021-04-25 | 2021-04-25 | Fluidized bed furnace firebrick wall maintenance reinforced structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215063717U true CN215063717U (en) | 2021-12-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120856168.8U Active CN215063717U (en) | 2021-04-25 | 2021-04-25 | Fluidized bed furnace firebrick wall maintenance reinforced structure |
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| CN (1) | CN215063717U (en) |
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2021
- 2021-04-25 CN CN202120856168.8U patent/CN215063717U/en active Active
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