CN220959523U - Metal refractory material composite prefabricated member for rotary kiln - Google Patents
Metal refractory material composite prefabricated member for rotary kiln Download PDFInfo
- Publication number
- CN220959523U CN220959523U CN202322681929.2U CN202322681929U CN220959523U CN 220959523 U CN220959523 U CN 220959523U CN 202322681929 U CN202322681929 U CN 202322681929U CN 220959523 U CN220959523 U CN 220959523U
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- China
- Prior art keywords
- rotary kiln
- frame
- prefabricated member
- metal refractory
- preform
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- 239000002184 metal Substances 0.000 title claims abstract description 20
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 20
- 239000002131 composite material Substances 0.000 title claims abstract description 17
- 239000011819 refractory material Substances 0.000 title claims abstract description 10
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 16
- 239000010959 steel Substances 0.000 claims abstract description 16
- 239000000835 fiber Substances 0.000 claims abstract description 8
- 239000000945 filler Substances 0.000 claims abstract description 3
- 238000000034 method Methods 0.000 claims description 16
- 239000004033 plastic Substances 0.000 claims description 5
- 238000005266 casting Methods 0.000 abstract description 7
- 238000010276 construction Methods 0.000 abstract description 6
- 238000001035 drying Methods 0.000 abstract description 6
- 238000009434 installation Methods 0.000 abstract description 3
- 239000000463 material Substances 0.000 abstract description 3
- 229910001018 Cast iron Inorganic materials 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 abstract 1
- 238000000465 moulding Methods 0.000 abstract 1
- 238000009417 prefabrication Methods 0.000 abstract 1
- 238000012423 maintenance Methods 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 230000003628 erosive effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Muffle Furnaces And Rotary Kilns (AREA)
Abstract
The utility model discloses a metal refractory material composite prefabricated member for a rotary kiln, which comprises a prefabricated member body composed of casting materials, wherein a plurality of frames which are parallel to each other are arranged in the prefabricated member body, steel fiber fillers are arranged in and around the frames, and an adapter plate used for being connected with the rotary kiln is arranged on the upper surface of the prefabricated member body. The technology solves the time problem of site construction and drying, replaces a kiln tail cast iron guard plate, adopts the technical means of prefabrication molding, in-plant drying and the like to produce the refractory material with high temperature resistance, strong wear resistance and metal characteristics, and solves the problem of long installation period which cannot be solved objectively on site.
Description
Technical Field
The utility model relates to the field of rotary kilns in the industries of environmental protection, chemical industry, energy sources, cement and the like, and particularly discloses a metal refractory material composite prefabricated member for a rotary kiln.
Background
The kiln tail castable has poor high temperature resistance, wear resistance and erosion resistance, and generally needs to be reinforced or replaced within 6 months. In the prior art, the kiln tail product is mainly formed by combining castable with kiln tail guard plates and casting in situ. The construction process is divided into four to five periods, the time interval of each period is at least 24 hours, and after the construction of the kiln tail castable is finished, the kiln tail castable needs to be heated and dried for at least 7 to 10 days in order to ensure the performance of the kiln tail castable. When the casting material does not reach the demolding strength, the next working procedure is not allowed in the maintenance time. So the construction period is longer. Because the castable and the kiln tail are directly poured, when the kiln tail castable is replaced, the original castable is removed, and the method is a time-consuming and labor-consuming project.
Disclosure of utility model
Aiming at the problems, the utility model discloses a metal refractory composite prefabricated member for a rotary kiln, which solves the time problems of site construction and drying, replaces a kiln tail cast iron guard plate, adopts the technical means of prefabricated forming, in-plant drying and the like to produce a refractory material with high temperature resistance, strong wear resistance and metal characteristics, and solves the problem of installation period which cannot be solved objectively on site.
The utility model provides a metal refractory composite prefabricated member for rotary kiln, includes the prefabricated member body that the castable constitutes, this internal multichannel frame that is parallel to each other of arranging of prefabricated member, steel fiber filler has all been arranged in the inside and the surrounding of frame, the upper surface of prefabricated member body is provided with the keysets that is used for being connected with the rotary kiln.
Preferably, the multi-channel frames are distributed in the preform body in a fan-shaped configuration.
Preferably, the multipass frame comprises a first frame located at two boundaries of the fan-shaped structure and a second frame located inside the fan-shaped structure.
Preferably, the first frame and the second frame are both L-shaped structures with cavities, the transverse cavities of the L-shaped structures are rectangular, and the vertical cavities of the L-shaped structures are horizontally arranged trapezoids.
Preferably, the transverse cavity length of the first frame is greater than the transverse cavity length of the second frame.
Preferably, the multi-channel frame is positioned by tie-down of the connecting bars.
Preferably, the adapter plate is detachably connected with the rotary kiln through bolts.
Preferably, the lower surface of the adapter plate is welded with the frame, and the upper surface of the adapter plate is provided with a plurality of connecting holes for connecting the rotary kiln.
Preferably, a process hole for penetrating the bolt is formed in the prefabricated member.
Preferably, the process holes are filled with sealing plastic after the prefabricated member is arranged in the rotary kiln shell.
The beneficial effects are that:
The prefabricated member is cast and molded in the mold frame, and is organically combined with the kiln body in the installation process in a bolt mechanical connection mode, so that the prefabricated member is easy and convenient to maintain and replace, the installation period is shortened, and the baking link is avoided.
Drawings
In order to more clearly illustrate the embodiments of the application or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic top view of the present utility model.
FIG. 2 is a cross-sectional view A-A of FIG. 1.
FIG. 3 is a section B-B of FIG. 1.
Fig. 4 is a cross-sectional view of fig. 1 taken along line C-C.
Fig. 5 is a block diagram of the preform of the present utility model after it has been connected to the rotary kiln shell.
In the figure: 1. the prefabricated member comprises a prefabricated member body, 2, a first frame, 3, a second frame, 4, connecting ribs, 5, steel fibers, 6, a mold frame, 7, an adapter plate, 8, a rotary kiln steel shell, 9, a process hole, 10 and sealing plastic.
Detailed Description
Reference will now be made in detail to embodiments of the present utility model, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements throughout or elements having like or similar functionality. The embodiments described below by way of the drawings are exemplary only and should not be construed as limiting the utility model.
As shown in fig. 1-5, the utility model discloses a metal refractory composite prefabricated member for a rotary kiln, wherein a plurality of frames which are parallel to each other are arranged in a left-right trend in a mold frame 6, the plurality of frames are distributed in a fan-shaped structure, the plurality of frames are welded into an integral structure through connecting ribs 4 for preventing the frames from moving during pouring, the positioning of the frames by mutually pulling the frames is realized, and the connecting ribs are round steel. The inside and the surrounding of the frame are filled with steel fibers 5, the upper surface of the prefabricated member body is welded with an adapter plate 7 on the frame, connecting holes are processed on the adapter plate, and the adapter plate 7 is detachably connected with a rotary kiln steel shell 8 through bolts through the connecting holes.
The multipass frame comprises a first frame 2 at the two boundaries of the sector structure and a second frame 3 inside the sector structure. The first frame and the second frame are similar to L-shaped structures with cavities formed by bending round steel or strip steel, the transverse cavities of the L-shaped structures are rectangular, and the vertical cavities of the L-shaped structures are transverse trapezoids. The transverse cavity length of the first frame is greater than the transverse cavity length of the second frame. The frame sets up vertical support in horizontal cavity upper surface, in the one end that keeps away from vertical cavity, and the upper end of vertical support is bent into horizontal support for with keysets 7 welding. The transverse support, the vertical support and the frame are made of a section steel through bending.
In order to smoothly penetrate bolts into the prefabricated parts, the prefabricated parts are connected with the rotary kiln shell, three process pipes are arranged in each prefabricated part before prefabricated casting, the axes of the process pipes are parallel to the vertical cavity, the process pipes are disassembled after the prefabricated parts are cast, process holes 9 with two open ends are formed in the prefabricated parts, one ends of the bolts, which are positioned on the inner surfaces of the prefabricated parts, penetrate into the prefabricated parts through the process holes 9 and protrude out of the outer surfaces of the prefabricated parts for being connected with the rotary kiln steel shell 8, and the process holes are plugged by sealing plastic 10 after connection is completed. The plastic is a refractory material prepared from 80-90% of granular and powdery materials, 3-10% of an equal binder and a proper amount of plasticizer, has higher plasticity at normal temperature, reaches the use strength at high temperature, and is integrated with a prefabricated part.
The manufacturing process of the prefabricated part is as follows:
1. Before pouring, placing the embedded metal frame structure into a mold frame, and fixing by using connecting ribs after angle adjustment is completed; and placing the process pipe at a corresponding position in the mold frame, and filling the steel fibers into the whole mold frame in a layered and layered manner until the steel fibers are filled. And then slowly adding the adjusted casting solution into the mold frame, adding the casting solution into the mold frame for multiple times on a vibration platform until the casting solution completely submerges all steel fibers after multiple times of vibration, standing for 24 hours, and removing the mold frame after the mold removing strength at normal temperature is achieved.
2. Drying through a specific drying system to reach the high-temperature use degree.
3. The organic combination with the kiln body is realized by a bolt mechanical connection mode.
The kiln tail prefabricated member is fixed on the rotary kiln steel shell by using matched bolts and nuts, the bolts are SS310 high-strength bolts, and the strength grade reaches more than 10.9 grade.
The kiln tail prefabricated member has superior high temperature resistance, wear resistance and erosion resistance, and does not need to be replaced in 12 months. After the construction of the kiln tail prefabricated member is finished through a plurality of projects, the baking process is finished during production, and the kiln tail prefabricated member can be immediately put into use. More packaging bags are generated when the kiln tail castable is installed, time and labor are wasted when the kiln tail castable is removed, tailings are wasted, and the environment is polluted; the kiln tail prefabricated member is packaged in a whole, so that waste phenomenon is avoided, and the kiln is clean and tidy. The kiln tail prefabricated member is mechanically connected through bolts, and the disassembly is simple, convenient and quick. Overcomes the severe working condition of the kiln tail, improves the maintenance efficiency of the customer and saves a great amount of maintenance cost for the customer.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. The utility model provides a metal refractory material composite prefabricated member for rotary kiln, its characterized in that includes the prefabricated member body that the castable constitutes, the internal frame that is parallel to each other of arranging of prefabricated member, the inside of frame and all have arranged steel fiber filler around, the upper surface of prefabricated member body is provided with the keysets that is used for being connected with the rotary kiln.
2. A composite preform of metal refractory for a rotary kiln according to claim 1, wherein the plurality of frames are distributed in a fan-like configuration within the preform body.
3. A composite preform of metal refractory for a rotary kiln according to claim 2, wherein the multipass frame comprises a first frame at two boundaries of the fan-shaped structure and a second frame inside the fan-shaped structure.
4. A metal refractory composite preform for a rotary kiln according to claim 3, wherein the first and second frames are each of an L-shaped structure with cavities, the lateral cavities of the L-shaped structure are rectangular, and the vertical cavities of the L-shaped structure are laterally trapezoidal.
5. A metal refractory composite preform for a rotary kiln according to claim 4, wherein the transverse cavity length of the first frame is greater than the transverse cavity length of the second frame.
6. A composite preform of metal refractory for a rotary kiln according to claim 1, wherein the plurality of frames are positioned by tie-down of tie bars.
7. The composite prefabricated metal refractory material member for rotary kiln according to claim 1, wherein the adapter plate is detachably connected with the rotary kiln through bolts.
8. The composite prefabricated metal refractory material member for rotary kiln of claim 7, wherein the lower surface of the adapter plate is welded with the frame, and the upper surface of the adapter plate is provided with a plurality of connecting holes for connecting the rotary kiln.
9. A metal refractory composite preform for a rotary kiln according to claim 7, wherein process holes for threading bolts are provided in the preform.
10. A metal refractory composite preform for a rotary kiln according to claim 9, wherein the process holes are filled with a sealable plastic after the preform is installed in the rotary kiln shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322681929.2U CN220959523U (en) | 2023-10-08 | 2023-10-08 | Metal refractory material composite prefabricated member for rotary kiln |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322681929.2U CN220959523U (en) | 2023-10-08 | 2023-10-08 | Metal refractory material composite prefabricated member for rotary kiln |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220959523U true CN220959523U (en) | 2024-05-14 |
Family
ID=91004972
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322681929.2U Active CN220959523U (en) | 2023-10-08 | 2023-10-08 | Metal refractory material composite prefabricated member for rotary kiln |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220959523U (en) |
-
2023
- 2023-10-08 CN CN202322681929.2U patent/CN220959523U/en active Active
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