A fiber roof and a construction method thereof

By combining fiber insulation units with hoisting steel frames and connecting components, the problems of self-tapping screw detachment and complex maintenance of module splice seams are solved, achieving stability and efficient construction of the fiber furnace roof, and improving the service life and maintenance convenience of the heating furnace.

CN120846081BActive Publication Date: 2026-04-10JIANGSU SOUTH ENERGY SAVING TECHNOLOGY CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2025-08-22
Publication Date
2026-04-10

AI Technical Summary

Technical Problem

The self-tapping screws on the existing flat regenerative furnace roof are prone to falling off, making maintenance cumbersome. The inspection of the module splicing seams is complicated, affecting the stability and maintenance efficiency of the heating furnace.

Method used

The fiber insulation unit adopts a combination structure of a hoisting steel frame and fiber insulation modules, and is fixed with connecting components and limiting components. The hoisting method is improved to be from top to bottom, and the connection strength and stability are improved by combining metal grid and anchors.

Benefits of technology

It improves the service life and construction efficiency of fiber furnace roofs, simplifies the maintenance process, enhances the stability and convenience of connections, and reduces heat loss.

✦ Generated by Eureka AI based on patent content.

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Abstract

The application discloses a kind of fibre roof and its construction method, including a plurality of mutually spliced fibre insulation units, the fibre insulation unit is connected by being provided with first connecting structure between, the fibre insulation unit includes fibre insulation module and hoisting steel frame, the fibre insulation module is installed in the hoisting steel frame bottom by being provided with second connecting structure;The roof of the application is formed by splicing a plurality of fibre insulation units, convenient and fast for construction, can reduce construction period, at the same time, the fixed mode of fibre insulation structure is simple and stable, can increase the service life of fibre roof, reserve maintenance groove in the process of lap joint, facilitate detection maintenance of splicing place in later period.
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Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of heating furnace roof application, in particular to a fiber furnace roof and a construction method thereof. BACKGROUND

[0002] The heating furnace is the core thermal equipment in the steel rolling production line, which is specially used for heating the billet (square billet, slab, flat billet, etc.) to a uniform and suitable plastic deformation high temperature state (usually between 1100°C - 1300°C) before rolling. Its performance directly determines the stability of the rolling process, the quality of the rolled material, the energy consumption and the output. The heating furnace has relatively high requirements for high temperature resistance and heat preservation effect. Poor heat preservation effect will cause a large amount of heat loss.

[0003] Disadvantages of the prior art:

[0004] The application number 201610054237.7 and a flat plate regenerative furnace roof are disclosed, which discloses a flat plate regenerative furnace roof. Although the patent discloses that the flat plate regenerative furnace roof is composed of a plurality of modules arranged side by side, it is mainly used for the application of full-fiber furnace roof of large industrial furnace such as hot rolling heating furnace. Although the sealing performance is effectively guaranteed, the use effect is remarkable and the service life is long, the processing technology is simple, the manufacturing efficiency is high, the U-shaped anchor and the self-tapping screw can be used, the U-shaped anchor and the full-thread nut can also be used, the structural connection stability is enhanced, the overall structure design is reasonable and compact, the channel for fixing the self-tapping screw needs to be reserved in the heat preservation module, the process is complex, the self-tapping screw is screwed from bottom to top, and it is easy to fall off after long-term use. It is difficult to maintain and disassemble the self-tapping screw. At the same time, the modules are installed compactly, the widths of the two sides of the module are the same, and the module needs to be disassembled from the furnace wall during the detection and maintenance of the splicing joint, so the maintenance process is complex. SUMMARY

[0005] The present application aims to provide a fiber furnace roof and a construction method thereof to solve the problems in the background art.

[0006] To achieve the above-mentioned purpose, the present application provides the following technical scheme: a fiber furnace roof, comprising a plurality of fiber heat preservation units connected to each other, wherein the fiber heat preservation units are connected through a first connecting structure, the fiber heat preservation unit comprises a hoisting steel frame and a fiber heat preservation module, and the fiber heat preservation module is installed at the bottom of the hoisting steel frame through a second connecting structure.

[0007] Preferably, the first connecting structure comprises:

[0008] A connecting assembly, one end of the connecting assembly is arranged on one side of the hoisting steel frame, and the other end is arranged on one side of the adjacent hoisting steel frame, for fixing between the adjacent fiber heat preservation units;

[0009] A limiting component is arranged at one end of the lifting steel frame at the bottom of one side and at the other end of the lifting steel frame at the bottom of the other side, for supporting the adjacent lifting steel frame and preventing deformation of the joint between the two adjacent fiber insulation units.

[0010] Preferably, the lifting steel frame comprises a steel frame hoisted on the furnace wall and a metal grid for fixing a plurality of fiber insulation modules, the lower end of the steel frame is connected with the upper end of the metal grid, and the width of the steel frame and the metal grid is the same and smaller than the width of the fiber insulation module.

[0011] Preferably, the second connecting structure comprises:

[0012] An anchor is arranged inside the fiber insulation module, and a crossbar is arranged on the anchor, and the crossbar is used for connecting the fiber insulation module.

[0013] A lifting assembly is connected with the metal grid at the upper end and connected with the anchor at the lower end, so as to fix the fiber insulation module on the lifting steel frame.

[0014] Preferably, the fiber insulation module is formed by cutting, stacking and extruding the fiber cloth on the crossbar.

[0015] Preferably, a compensation blanket for filling the gap is arranged between the fiber insulation units.

[0016] The application also provides a construction method of the fiber furnace top, and the construction method specifically comprises the following steps:

[0017] S1, forming a fiber insulation module;

[0018] S2, forming a fiber insulation unit;

[0019] S3, forming a fiber furnace top.

[0020] Preferably, the step S1 comprises the following steps:

[0021] a1, cutting the fiber cloth, then stacking a plurality of fiber pieces of the same specification to form a fiber block, and stacking the fiber block into a corresponding specification;

[0022] a2, pressing the fiber block into one end of the crossbar by the press, then pressing another fiber block stacked by another piece of fiber cloth into the other end of the crossbar, and fixing a piece of wood plate on both sides for pressing.

[0023] Preferably, in the step S2, the metal grid is welded at the lower end of the lifting steel frame, then the fiber insulation module is fixed on the lifting steel frame by the lifting assembly, and the wood plates on both sides are pulled out when lifting the fiber insulation module.

[0024] Preferably, the step S3 comprises the following steps:

[0025] b1, the fiber insulation unit is lapped on the furnace wall, and a compensation fiber blanket is inserted between two fiber insulation units needing splicing;

[0026] b2, the adjacent hoisting steel frame is fixed by using the limiting assembly;

[0027] b3, the two adjacent hoisting steel frames are connected by using the connecting assembly, and splicing is sequentially performed.

[0028] b4, the limiting assembly is disassembled, and the furnace top splicing is completed.

[0029] Compared with the prior art, the beneficial effects of the present application are:

[0030] 1. The fiber furnace top, by the fiber insulation unit comprising a hoisting steel frame and a fiber insulation module, the fiber insulation module is installed at the bottom of the hoisting steel frame through the second connecting structure, and the width of the steel frame and the metal grid is the same and smaller than the width of the fiber insulation module, the furnace top is formed by splicing a plurality of fiber insulation units, which is convenient and fast to construct, can reduce the construction period, and the fixing mode of the fiber insulation structure is simple and stable, which can increase the service life of the fiber furnace top, and the maintenance groove is reserved in the lapping process, which is convenient for detection and maintenance of the splicing part in the later period.

[0031] 2. The construction method of the fiber furnace top, the metal grid is welded at the lower end of the hoisting steel frame, then the fiber insulation module is fixed on the hoisting steel frame through the hoisting assembly, the two side boards are pulled out when hoisting the fiber insulation module, the hoisting plate and the fiber insulation module are connected as a whole, the connection strength of the hoisting plate and the fiber insulation module is strengthened, the fiber insulation module can be effectively prevented from loosening or even falling off, and at the same time, the upward hoisting mode is changed into the downward hoisting mode, the fixing is more convenient, and the assembly efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS

[0032] Figure 1 It is a perspective view of the furnace top of the present application;

[0033] Figure 2 It is a splicing schematic diagram of the hoisting steel frame of the present application;

[0034] Figure 3 It is a Figure 2 enlarged schematic diagram of A in the present application;

[0035] Figure 4 It is a perspective view of the hoisting steel frame of the present application;

[0036] Figure 5 It is a hoisting schematic diagram of the fiber insulation module of the present application;

[0037] Figure 6 Figure 2 is a perspective view of a second connecting structure of the present application.

[0038] In the figure: 1, fiber insulation unit; 101, hoisting steel frame; 1011, steel frame; 1012, metal grid; 102, fiber insulation module; 2, first connecting structure; 21, connecting assembly; 211, socket; 212, fixing bolt; 213, locking nut; 214, two first gaskets; 22, limiting assembly; 221, through hole; 222, limiting bolt; 223, limiting nut; 224, two second gaskets; 3, second connecting structure; 31, anchor; 32, hoisting assembly; 4, crossbar; 5, compensation blanket. DETAILED DESCRIPTION

[0039] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present application.

[0040] In the description of the present application, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0041] In the description of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "setting" should be understood broadly, for example, it can be fixedly connected, set, or detachably connected, set, or integrally connected, set. For those skilled in the art, the specific meanings of the above terms in the present patent can be understood according to the specific circumstances.

[0042] In addition, the terms "first" and "second" are only for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined with "first" and "second" can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "several" is two or more, unless otherwise explicitly specified and limited.

[0043] Example 1

[0044] Please refer toFigures 1-6 As shown, the present application provides a kind of fiber roof technical solutions: a kind of fiber roof, including a plurality of mutually spliced fiber insulation unit 1, fiber insulation unit 1 between by setting first connecting structure 2 connection, fiber insulation unit 1 includes hoisting steel frame 101 and fiber insulation module 102, fiber insulation module 102 is installed in the bottom of hoisting steel frame 101 by setting second connecting structure 3.

[0045] First connecting structure 2 includes connecting assembly 21 and limiting assembly 22;

[0046] The one end of connecting assembly 21 is set to one side of hoisting steel frame 101, and the other end is set to one side of adjacent hoisting steel frame 101, for the fixing between adjacent fiber insulation unit 1, connecting assembly 21 includes jack 211, fixed bolt 212 and locking nut 213, jack 211 is opened in the both sides of the upper end of hoisting steel frame 101, fixed bolt 212 passes through the jack 211 on the two adjacent hoisting steel frame 101 and is connected with locking nut 213, to realize the fixing of adjacent two fiber insulation units 1;Connecting assembly 21 further includes two first gaskets 214, two first gaskets 214 are sleeved on the both ends of fixed bolt 212, for ensuring that hoisting steel frame 101 is stressed evenly after fixed bolt 212 is tightened;Jack 211 is waist hole, and the number is several, when fixing hoisting steel frame 101, first, fixed bolt 212 is passed through the jack 211 on the two spliced hoisting steel frame 101, then locking nut 213 is tightened on the one end of fixed bolt 212, fixed by locking fixed bolt 212, simultaneously, first gasket is sleeved before fixed bolt 212 passes through jack 211, another first gasket is sleeved when locking nut 213 is screwed on;

[0047] One end of the limiting assembly 22 is arranged at the bottom of one side of the hoisting steel frame 101, and the other end is arranged at the bottom of one side of the adjacent hoisting steel frame 101, which is used for supporting the adjacent hoisting steel frame 101, preventing deformation of the joint of the two adjacent fiber insulation units 1, and limiting the assembly 22 includes a through hole 221, a limiting bolt 222 and a limiting nut 223, the through hole 221 is arranged on both sides of the lower end of the hoisting steel frame 101, the limiting bolt 222 passes through the through hole 221 on the two adjacent hoisting steel frames 101 and is connected with the limiting nut 223, realizing the support of the middle part of the two adjacent fiber insulation units 1; the limiting assembly 22 further comprises two second gaskets 224, the two second gaskets 224 are sleeved on both ends of the limiting bolt 222, which is used to ensure that the hoisting steel frame 101 is evenly stressed after the limiting bolt 222 is tightened; the through hole 221 is a waist hole, and the number is several, when the two spliced fiber insulation units 1 are pre-fixed, first pass the limiting bolt 222 through the through hole 221 on the two spliced hoisting steel frames 101, then tighten the limiting nut 223 at one end of the limiting bolt 222, and fix it by locking the limiting bolt 222, and a first gasket is sleeved before the limiting bolt 222 passes through the through hole 221, and another first gasket is sleeved when the limiting nut 223 is screwed.

[0048] The hoisting steel frame 101 includes a steel frame 1011 hoisted on the furnace wall and a metal grid 1012 used for fixing a plurality of fiber insulation modules 102, the lower end of the steel frame 1011 is connected with the upper end surface of the metal grid 1012, and the width of the steel frame 1011 and the metal grid 1012 is the same and smaller than the width of the fiber insulation module 102.

[0049] The second connecting structure 3 includes an anchor 31 and a hoisting assembly 32.

[0050] The anchor 31 is installed inside the fiber insulation module 102, the anchor 31 is provided with a crossbar 4 for connecting the fiber insulation module 102, the anchor 31 includes a support part and a connecting part, the connecting part is integrally formed on both sides of the support part, and the support part and the connecting part are formed by stamping, which is fast and simple in processing mode and low in manufacturing cost, the support part is used for connecting the hoisted steel structure, the steel structure is overlapped on the furnace wall, and the connecting part is used for connecting with the metal piece inserted into the fiber cloth. The support part is provided with a fixing assembly. The fixing assembly includes a first connecting hole with a thread, the first connecting hole is arranged on the support part, and the hoisted steel structure is fixed with the support part through a bolt, which is simple and fast in fixing mode and better in stability. The connecting part is provided with a plurality of second connecting holes. The cross section of the support part is arrow-shaped, which can ensure sufficient connection strength and prevent compression deformation after long-term use. The connecting part is shaped as a rhombus, which is convenient for insertion into the interval of the fiber cloth and has sufficient strength to stably hoist the fiber cloth.

[0051] The upper end of the hoisting assembly 32 is connected with the metal grid 1012, and the lower end of the hoisting assembly 32 is connected with the anchor 31, so as to fix the fiber thermal insulation module 102 on the hoisting steel frame 101. The hoisting assembly 32 comprises a hoisting screw which is passed through the through hole in the metal grid 1012 from top to bottom, the lower end of the hoisting screw is screwed into the threaded hole in the anchor 31 and the hoisting nut, and the lower end of the hoisting nut is fixed with the anchor 31 by tightening the hoisting nut, so that the hoisting and fixing of the fiber thermal insulation module 102 are completed.

[0052] The fiber thermal insulation module 102 is formed by cutting, stacking and extruding the fiber cloth on the cross rod 4.

[0053] The fiber thermal insulation unit 1 is provided with a compensation blanket 5 for filling the gap.

[0054] Embodiment 2

[0055] The application provides a fiber furnace top technical scheme: a construction method of a fiber furnace top, characterized in that the construction method specifically comprises the following steps:

[0056] S1, forming a fiber thermal insulation module 102;

[0057] a1, cutting the fiber cloth, then stacking a plurality of fiber pieces of the same specification together to form a fiber block, and stacking the fiber block into a corresponding specification;

[0058] a2, extruding the fiber block into one end of the cross rod 4 by a press, then extruding another fiber block stacked by another piece of fiber cloth into the other end of the cross rod 4, and fixing a piece of wood plate on each side for pressing.

[0059] S2, forming a fiber thermal insulation unit 1;

[0060] The metal grid 1012 is welded at the lower end of the hoisting steel frame 101, and then the fiber thermal insulation module 102 is fixed on the hoisting steel frame 101 by the hoisting assembly 32, and the wood plates on both sides are pulled out when the fiber thermal insulation module 102 is hoisted.

[0061] S3, forming a fiber furnace top;

[0062] b1, overlapping the fiber thermal insulation unit 1 on the furnace wall, and inserting the fiber compensation blanket 5 between two fiber thermal insulation units 1 to be spliced;

[0063] b2, fixing the adjacent hoisting steel frames 101 by using the limiting assembly 22;

[0064] b3, connecting two adjacent hoisting steel frames 101 by using the connecting assembly 21, and splicing in sequence.

[0065] b4, disassembling the limiting assembly 22, and completing the splicing of the furnace top.

[0066] The above shows and describes the basic principles, main features and advantages of the present application. Those skilled in the art should understand that the present application is not limited to the above-mentioned embodiments, and the above-mentioned embodiments and descriptions in the specification are only preferred examples of the present application and are not intended to limit the present application. Various changes and improvements can be made to the present application without departing from the spirit and scope of the present application, and these changes and improvements all fall within the scope of the claimed present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A fiber furnace roof, characterized in that: It includes several interconnected fiber insulation units (1), which are connected by a first connecting structure (2). Each fiber insulation unit (1) includes a hoisting steel frame (101) and a fiber insulation module (102). The fiber insulation module (102) is installed at the bottom of the hoisting steel frame (101) by a second connecting structure (3). The first connection structure (2) includes: A connecting component (21) is provided at one end on one side of the hoisting steel frame (101) and at the other end on one side of the adjacent hoisting steel frame (101) for fixing adjacent fiber insulation units (1); Limiting component (22), one end of the limiting component (22) is set at the bottom of one side of the hoisting steel frame (101), and the other end is set at the bottom of one side of the adjacent hoisting steel frame (101), for supporting the adjacent hoisting steel frames (101) and preventing deformation at the splice of two adjacent fiber insulation units (1); The hoisting steel frame (101) includes a steel frame (1011) hoisted on the furnace wall and a metal grid (1012) for fixing a number of fiber insulation modules (102). The lower end of the steel frame (1011) is connected to the upper surface of the metal grid (1012) around the perimeter. The steel frame (1011) and the metal grid (1012) have the same width and are both smaller than the width of the fiber insulation module (102). The second connection structure (3) includes: Anchor (31), the anchor (31) is installed inside the fiber insulation module (102), and a crossbar (4) is provided on the anchor (31), the crossbar (4) is used to connect the fiber insulation module (102). The upper end of the hoisting assembly (32) is connected to the metal grid (1012), and the lower end of the hoisting assembly (32) is connected to the anchor (31) to fix the fiber insulation module (102) on the hoisting steel frame (101).

2. The fiber furnace roof according to claim 1, characterized in that: The fiber insulation module (102) is formed by cutting, laying, and pressing fiber cloth onto a crossbar.

3. The fiber furnace roof according to claim 1, characterized in that: A compensating blanket (5) for filling gaps is provided between the fiber insulation units (1).

4. A construction method for a fiber furnace roof according to any one of claims 1-3, characterized in that: This construction method specifically includes the following steps: S1, forming a fiber insulation module (102); S2, forming a fiber insulation unit (1); S3, forming a fiber furnace top.

5. The construction method for a fiber furnace roof according to claim 4, characterized in that: Step S1 includes the following steps: a1. Cut the fiber cloth, then stack several fiber sheets of the same size together to form a fiber block, stacking them into the corresponding size; a2. Press the fiber block into one end of the crossbar (4) using a press machine, and then press another fiber block made of fiber cloth into the other end of the crossbar (4). Fix a wooden board on each side to press it tightly.

6. The construction method for a fiber furnace roof according to claim 4, characterized in that: In step S2: the metal grid (1012) is welded to the lower end of the steel frame (1011), and then the fiber insulation module (102) is fixed on the lifting steel frame (101) by the lifting assembly (32). When lifting the fiber insulation module (102), the wooden boards on both sides are pulled out.

7. The construction method for a fiber furnace roof according to claim 4, characterized in that: Step S3 includes the following steps: b1. Overlap the fiber insulation unit (1) onto the furnace wall and insert the compensation blanket (5) between the two fiber insulation units (1) that need to be spliced. b2. Use the limiting component (22) to fix the adjacent hoisting steel frame (101); b3. Then use the connecting component (21) to connect two adjacent hoisting steel frames (101) and splice them in sequence; b4. Disassemble the limiting component (22) to complete the furnace top splicing.

Citation Information

Patent Citations

  • Flat plate heat accumulating type furnace top

    CN105526803A

  • Hard-faced insulating refractory fiber linings

    US5759663A