CN220870913U - Impact-resistant coal feeding pipe nozzle - Google Patents
Impact-resistant coal feeding pipe nozzle Download PDFInfo
- Publication number
- CN220870913U CN220870913U CN202322676307.0U CN202322676307U CN220870913U CN 220870913 U CN220870913 U CN 220870913U CN 202322676307 U CN202322676307 U CN 202322676307U CN 220870913 U CN220870913 U CN 220870913U
- Authority
- CN
- China
- Prior art keywords
- nozzle
- resistant
- heat
- impact
- resistant steel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000003245 coal Substances 0.000 title claims abstract description 22
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 23
- 239000010959 steel Substances 0.000 claims abstract description 23
- 229910010271 silicon carbide Inorganic materials 0.000 claims abstract description 9
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 claims abstract description 5
- 230000035939 shock Effects 0.000 claims description 5
- 230000000087 stabilizing effect Effects 0.000 claims description 5
- 238000003466 welding Methods 0.000 claims description 4
- 239000007921 spray Substances 0.000 claims 7
- 230000002035 prolonged effect Effects 0.000 abstract description 4
- 238000012423 maintenance Methods 0.000 abstract description 3
- 238000007599 discharging Methods 0.000 abstract 1
- 239000000463 material Substances 0.000 description 7
- 238000002485 combustion reaction Methods 0.000 description 6
- 238000005299 abrasion Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 1
- 238000004512 die casting Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Compositions Of Oxide Ceramics (AREA)
Abstract
The utility model discloses an impact-resistant coal feeding pipe nozzle which comprises a nozzle body, wherein the nozzle body is tubular, a feeding hole and a discharging hole are respectively formed in two ends of the nozzle body, the nozzle body is made of heat-resistant steel, a silicon carbide layer is coated inside the nozzle body, a plurality of grabbing nails are fixedly arranged on the inner surface of the nozzle, and a heat-resistant steel net is fixedly connected to the grabbing nails. According to the nozzle, the silicon carbide layer is coated in the nozzle, so that the wear resistance of a product is stronger, compared with the service life of the nozzle of the coal pipe made of heat-resistant steel, the service life of the nozzle is greatly prolonged, meanwhile, the heat-resistant steel mesh is fixed through the grabbing nails, the fixing capacity of the heat-resistant steel mesh is improved, the wear resistance of the nozzle is further improved, the boiler efficiency is improved, the maintenance cost is reduced, and the problems that the conventional nozzle of the coal pipe is not wear-resistant, not impact-resistant, easy to burn out, easy to fall off of the wear-resistant layer and the like are solved.
Description
Technical Field
The utility model relates to the technical field of coal pipe protection, in particular to an impact-resistant coal pipe nozzle.
Background
The traditional coal feeding pipe nozzle is made of heat-resistant steel, and has the main effects of conveying combustion materials for a boiler chamber of a circulating fluidized bed and controlling the combustion condition of the boiler. However, the abrasion resistance and impact resistance of the heat-resistant steel at high temperature are not ideal, and the conventional lining abrasion-resistant layer structure is easy to fall off under the impact of material particles, so that the service life is short, and if the lining abrasion-resistant layer structure is suddenly scrapped in the use process, great economic loss can be caused.
Disclosure of utility model
The utility model aims to provide an impact-resistant coal pipe nozzle, which has the advantages of prolonging the service life of the coal pipe nozzle and reducing the maintenance cost.
In order to solve the technical problems, the utility model provides the following technical scheme: the utility model provides a shock-resistant coal pipe spout, includes the spout body, the spout body is tubulose, and both ends are provided with pan feeding mouth and discharge gate respectively, the spout body adopts heat-resistant steel to make, and inside coating has the carborundum layer, spout internal surface is fixed and is provided with a plurality of nails of grabbing, and grabs fixedly connected with heat-resistant steel mesh on the nail.
Further, the grabbing nails are fixedly arranged on the inner surface of the nozzle in a welding mode.
Further, the inner surface of the feed inlet of the spout body is of an arc-shaped structure.
Further, the spout body is externally and fixedly provided with a stabilizing frame.
Further, the spout body is connected with a blanking pipe.
Further, an opening and closing door is arranged on the blanking pipe.
The impact-resistant coal feeding pipe nozzle provided by the utility model has the advantages that:
according to the nozzle, the silicon carbide layer is coated in the nozzle, so that the wear resistance of a product is stronger, compared with the service life of the nozzle of the coal pipe made of heat-resistant steel, the service life of the nozzle is greatly prolonged, meanwhile, the heat-resistant steel mesh is fixed through the grabbing nails, the fixing capacity of the heat-resistant steel mesh is improved, the wear resistance of the nozzle is further improved, the boiler efficiency is improved, the maintenance cost is reduced, and the problems that the conventional nozzle of the coal pipe is not wear-resistant, not impact-resistant, easy to burn out, easy to fall off of the wear-resistant layer and the like are solved.
Drawings
In order to more clearly illustrate the embodiments of the present utility model 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, and it is obvious that the drawings in the following description are some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a cross-sectional view of a spout as described in the first embodiment;
FIG. 2 is a schematic illustration of the connection of the grab nails to the heat resistant steel mesh;
FIG. 3 is a cross-sectional view of the spout described in the second embodiment;
fig. 4 is a cross-sectional view of the spout described in the third embodiment.
Reference numerals in the drawings illustrate: 1. a spout body; 2. a silicon carbide layer; 3. a heat resistant steel mesh; 4. grabbing nails; 5. a stabilizing frame; 6. a blanking pipe; 7. the door is opened and closed.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. All other embodiments, which can be made by one of ordinary skill in the art without inventive faculty, are intended to be within the scope of the present utility model, based on the embodiments of the present utility model.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
Referring to fig. 1-2, a first embodiment of the present utility model is provided: the utility model provides a shock-resistant coal feeding pipe spout, includes spout body 1, spout body 1 is tubulose, and both ends are provided with pan feeding mouth and discharge gate respectively, pan feeding mouth and discharge gate department all are provided with flange (not shown in the figure), through flange and other components and parts fixed connection, buggy gets into spout body 1 from the pan feeding mouth, later flows from the discharge gate.
The spout body 1 adopts integrative die-casting of heat resistant steel to make, the inside coating of spout body 1 has carborundum layer 2, protects heat resistant steel through carborundum layer 2, has solved traditional heat resistant steel through carborundum layer 2 and has not wear-resisting, not shock-resistant for the coal pipe spout, easily burn scheduling problem.
Meanwhile, a plurality of grabbing nails 4 are fixedly arranged on the inner surface of the nozzle along the length direction, the grabbing nails 4 are fixedly connected with a heat-resistant steel mesh 3, the grabbing nails 4 are embedded into the heat-resistant steel mesh 3, so that the heat-resistant steel mesh 3 is fixed through the grabbing nails 4, and the heat-resistant steel mesh 3 is firmly fixed on the inner surface of the nozzle.
Meanwhile, in this embodiment, the grabbing nail 4 is fixedly disposed on the inner surface of the nozzle in a welding manner, so as to improve the firmness of the grabbing nail 4.
Meanwhile, in this embodiment, the inner surface of the feed inlet of the spout body 1 is in an arc structure, so that when the combustion material is poured in, the effect of buffering can be achieved through the arc structure, the whole spout body 1 is protected, and the service life of the spout body 1 is prolonged.
Embodiment two:
As shown in fig. 3, in this embodiment, the spout body 1 is externally and fixedly provided with a stabilizing frame 5, the stabilizing frame 5 includes an integrally formed long side and a short side, and one ends of the long side and the short side are fixedly connected with the outer surface of the spout body 1, so as to form a triangle relationship, and further, a support can be performed on the feed inlet of the spout body 1, so that the strength of the whole spout body 1 is improved, and the service life of the spout is prolonged.
Embodiment III:
As shown in fig. 4, in this embodiment, a through hole is formed in the spout body 1, a blanking pipe 6 is connected to the through hole, specifically, the blanking pipe 6 is fixedly connected to the through hole through a welding manner, so that an effect of sealing and fixing connection can be achieved, meanwhile, an opening door 7 is hinged to the upper end of the blanking pipe 6, the blanking pipe 6 and the opening door 7 are made of the same material as the spout body 1, and when the spout is specifically used, the opening door 7 can be opened to penetrate into the spout body 1, so that when combustion materials are accumulated in the spout body 1, the combustion materials can be in a timely direction, and can be stretched from the blanking pipe 6 through corresponding tools, so that the combustion materials can be correspondingly stirred or removed, and the service efficiency of the spout body 1 is improved.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
The apparatus embodiments described above are merely illustrative, wherein elements illustrated as separate elements may or may not be physically separate, and elements shown as elements may or may not be physical elements, may be located in one place, or may be distributed over a plurality of network elements. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of this embodiment. Those of ordinary skill in the art will understand and implement the present invention without undue burden.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.
Claims (6)
1. An impact-resistant coal pipe nozzle, characterized in that: the spray nozzle comprises a spray nozzle body, wherein the spray nozzle body is tubular, a feed inlet and a discharge outlet are respectively arranged at two ends of the spray nozzle body, the spray nozzle body is made of heat-resistant steel, a silicon carbide layer is coated inside the spray nozzle body, a plurality of grabbing nails are fixedly arranged on the inner surface of the spray nozzle, and a heat-resistant steel mesh is fixedly connected to the grabbing nails.
2. The impact resistant coal pipe nozzle of claim 1, wherein: the grabbing nails are fixedly arranged on the inner surface of the nozzle in a welding mode.
3. The impact resistant coal pipe nozzle of claim 1, wherein: the inner surface of the feed inlet of the spout body is of an arc-shaped structure.
4. A shock resistant coal pipe nozzle according to claim 1 or 3, wherein: the spout body is externally and fixedly provided with a stabilizing frame.
5. A shock resistant coal pipe nozzle according to claim 1 or 3, wherein: and the nozzle body is connected with a blanking pipe.
6. The impact resistant coal pipe nozzle of claim 5, wherein: an opening and closing door is arranged on the blanking pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322676307.0U CN220870913U (en) | 2023-10-08 | 2023-10-08 | Impact-resistant coal feeding pipe nozzle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322676307.0U CN220870913U (en) | 2023-10-08 | 2023-10-08 | Impact-resistant coal feeding pipe nozzle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220870913U true CN220870913U (en) | 2024-04-30 |
Family
ID=90812585
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322676307.0U Active CN220870913U (en) | 2023-10-08 | 2023-10-08 | Impact-resistant coal feeding pipe nozzle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220870913U (en) |
-
2023
- 2023-10-08 CN CN202322676307.0U patent/CN220870913U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN220870913U (en) | Impact-resistant coal feeding pipe nozzle | |
| WO2011105346A1 (en) | Stave and blast furnace | |
| CN106288827A (en) | A kind of integral inclined formula of heat-resistant antifriction fixes grate plate | |
| CN204533722U (en) | A kind of pressure antiwear slag-discharging valve door | |
| CN110940194B (en) | Gas resistance adjusting system and method of limestone rotary kiln preheater | |
| CN211668280U (en) | Heat preservation circulation mechanism for transfer furnace in magnesium alloy production line | |
| CN217154973U (en) | Grate bar capable of conveniently cleaning paste | |
| CN215887101U (en) | Blast furnace distributing chute | |
| CN211012471U (en) | Improved generation ferroalloy charging chute | |
| CN109506474A (en) | A kind of metal recovery charging device | |
| CN210267927U (en) | Alloy heating furnace | |
| CN108087889A (en) | Anti-coking structure of secondary combustion chamber | |
| CN107906966A (en) | A kind of automatic charging equipment of smelting | |
| CN211033754U (en) | High-temperature-resistant, wear-resistant, heat-insulating and efficient hot ore bin | |
| CN207815956U (en) | A kind of full manage-style cold type gravity flow screen with heat-proof device | |
| CN2813606Y (en) | Energy-saving profile steel structural mechanical shaft kiln | |
| CN210885937U (en) | Novel dry quenching environmental protection coke tank | |
| CN207030211U (en) | A kind of new dragveyer scraper plate | |
| CN206642991U (en) | Raw material screening device for abrasion-resistant alloy part Cheng Mo | |
| US8142710B2 (en) | Reduction apparatus, reduction apparatus manufacture method, and vacuum smelting reduction furnace using the same | |
| CN207358140U (en) | A kind of molten aluminum smelting furnace | |
| CN110842183A (en) | Steel ladle cover and manufacturing method thereof | |
| CN206430574U (en) | One kind sintering air blasting belt cooler ventilation unit | |
| CN216786177U (en) | Front round and rear square material grinding type blast furnace distribution chute | |
| CN220339109U (en) | Ferronickel ore electric furnace gross iron adding device and ferronickel ore electric furnace for treating gross iron |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |