CN207316354U - A kind of boiler tube protective device - Google Patents
A kind of boiler tube protective device Download PDFInfo
- Publication number
- CN207316354U CN207316354U CN201721439378.7U CN201721439378U CN207316354U CN 207316354 U CN207316354 U CN 207316354U CN 201721439378 U CN201721439378 U CN 201721439378U CN 207316354 U CN207316354 U CN 207316354U
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- Prior art keywords
- boiler tube
- protective device
- metal profile
- protective plate
- cement
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- Protection Of Pipes Against Damage, Friction, And Corrosion (AREA)
Abstract
The utility model discloses a kind of boiler tube protective device.The boiler tube protective device includes protective plate and metal profile, and the protective plate is fixed on the outer surface of the metal profile, and the protective plate material is ceramics or carborundum.The boiler tube protective device structure is simple, highly practical, safe, has heat-resisting quantity, and corrosion resistance, wear-resisting abrasion resistance, can reduce boiler tube erosion corrosion speed, improve the service life of boiler tube, it is ensured that the safety of equipment, reduces economic loss.
Description
Technical field
It the utility model is related to boiler tube protection technology field, and in particular to a kind of boiler tube protective device.
Background technology
19th century younger oil exploitation, during Two World Wars naval vessel, boiler, aircraft manufacture, second of the world
The manufacture of big postwar apparatus of thermo-electric power boiler, the development of chemical industry and the drilling of petroleum gas and transport etc., all effectively promote
Development of the high-pressure boiler pipe industrial in kind, yield and quality.Boiler tube is widely used in trandfer fluid and powdery solid, friendship
Heat-energy transducer, manufacture machine components and container, can be in for a long time during the work time high temperature and pressure, liquid corrosion, gas attack,
The state of physical abrasion.
Existing boiler tube material mesolow material generally selects 20G, middle pressure material selection 16Mng or 20Mng.These materials
The boiler tube that matter makes occurs in the case of the 600-900 degree high temperature not protecting, burn into erosive wear about 1 month
Booster.For this reason, part of the manufacturer makes boiler tube using the multilayer stainless steel materials such as 304, but this boiler tube is run about 3 months
Booster is occurred as soon as, causes to stop production, causes economic loss.
The protection technique to boiler tube is mainly spraying technology at present, wherein aluminium-plated guard method, since the fusing point of aluminium is low
For 660.4 DEG C, effect is pretty good at low ambient temperatures, but its creep strength is low, wears no resistance, so protecting effect is not good enough；Its
Middle surfacing Ni-W alloy coat guard methods, although abrasion and corrosion are slight, its remelting temperature is excessive, easily causes boiler tube change
Shape, so protective effect is also not satisfactory.
Utility model content
The purpose of this utility model is to provide a kind of boiler tube protective device, to solve the booster of existing boiler tube
Problem.
To achieve the above object, the utility model provides a kind of boiler tube protective device, the boiler tube protective device bag
Protective plate and metal profile are included, the protective plate is fixed on the outer surface of the metal profile, and the protective plate material is
Ceramics or carborundum.
Preferably, the protective plate and the binding face of the metal profile are provided with reconciliation cement, and the protective plate is set
Through hole is equipped with, the metal profile is provided with threaded hole, and screw is threadedly coupled through the through hole with the threaded hole.
Preferably, the exposed surface of screw is provided with plugging cap, the outer surface of the plugging cap is outer with the protective plate
Surface flushes, and is set between the screw head and plugging cap and reconciles cement to fill up between the plugging cap and protective plate
Gap.
Preferably, the reconciliation cement tempers and is made for high-temperature cement and alundum (Al2O3) aluminium powder, and the height
The part by weight of warm water mud and alundum (Al2O3) aluminium powder is 3:1.
Preferably, the screw welds together with the metal profile.
Preferably, the metal profile be perpendicular type, square groove type, U-shaped, semi-circular, ring-like or polygonal structure.
The utility model has the following advantages that：
Protective plate is fixed on metal by boiler tube protective device provided by the utility model by the use of metal as support plate
Support plate, the high temperature resistant of combinative prevention plate, the high intensity of anticorrosion properties and metal profile, the characteristic of flexible design so that
Boiler tube protective device structure is simple, highly practical, safe, has a heat-resisting quantity, corrosion resistance, wear-resisting abrasion resistance,
Boiler tube erosion corrosion speed can be reduced as the protective device of boiler tube, the service life of boiler tube is improved, avoids quick-fried
Pipe, it is ensured that the safety of equipment, reduces economic loss.
Brief description of the drawings
Fig. 1 is the sectional view of the boiler tube protective device that the utility model embodiment 1 provides and boiler tube.
Fig. 2 is the structure diagram of the boiler tube protective device that the utility model embodiment 1 provides and boiler tube.
Fig. 3 is the sectional view of the boiler tube protective device that the utility model embodiment 2 provides and boiler tube.
Fig. 4 is the sectional view of the boiler tube protective device that the utility model embodiment 3 provides and boiler tube.
Accompanying drawing number：1- boiler tubes protective device, 101- protective plates, 102- metal profiles, 103- plugging caps, 104- spiral shells
Nail, 105- limited blocks, 2- boiler tubes, 3- sheaths plate, 4- anchor ears.
Embodiment
The following examples illustrate the utility model, but is not intended to limit the scope of the present invention.
Embodiment 1
As depicted in figs. 1 and 2, the boiler tube protective device that embodiment 1 provides includes protective plate 101 and metal profile
102, protective plate 101 is fixed on the outer surface of metal profile 102, and the outer surface of metal profile 102 is completely covered.Consider
To the hot environment residing for boiler tube, 101 material selection of protective plate ceramics or carborundum, the content of alundum (Al2O3) is big in ceramics
In or equal to 92%, carborundum content is greater than or equal to 72% in carborundum, and metal profile 102 uses 310S angle steel, makes institute
The rectangular type structure of boiler tube protective device of composition.
Protective plate 101 and metal profile 102 by composition surface full-filling reconcile cement and carry out adhesion, reconcile cement by
High-temperature cement and alundum (Al2O3) are according to mass ratio 3:1 ratio, which tempers, to be made.In addition, it is provided with protective plate 101 logical
Hole, metal profile 102 are provided with threaded hole, and screw 104 is threadedly coupled through through hole with threaded hole, select countersunk head spiral shell here
Nail carries out secondary fixation to protective plate 101 and metal profile 102, to further improve protective plate 101 and metal profile 102
The reliability of connection.
The exposed surface of screw 104 is provided with plugging cap 103, is corroded and shadow in use to avoid screw 104
Ring the reliability of protective plate 101 and the connection of metal profile 102.Gap between plugging cap 103 and screw 104 is provided with
Reconciliation cement, so that the outer surface of plugging cap 103 is flushed with the outer surface of protective plate 101, so as to ensure boiler tube protective device
Beauty and reliable, to further improve the reliability that sunk screw 104 is connected with metal profile 102, by 104 He of screw
Metal profile 102 is welded.
It should be noted that the rectangular type of boiler tube protective device that the present embodiment is provided, but the utility model provides
Boiler tube protective device be not limited to perpendicular type, metal profile can use 310S arc plate matter, can be as needed by boiler
Pipe protective device is arranged to square groove type, U-shaped, semi-circular, ring-like or other polygonal structures.Although the present embodiment uses countersunk head spiral shell
Nail is fixedly connected with protective plate 101 and metal profile 102, but the utility model is not limited thereto.In fact, protective plate 101
It can also be spirally connected with metal profile 102 using other screws.
Embodiment 2
As shown in figure 3, the boiler tube protective device that embodiment 2 provides includes protective plate 101 and metal profile 102, prevent
Backplate 101 is fixed on the outer surface of metal profile 102, and the outer surface of metal profile 102 is completely covered.In view of pot
Hot environment residing for boiler tube, 101 material selection of protective plate ceramics or carborundum, ceramics in alundum (Al2O3) content be more than or
Equal to 92%, carborundum content is greater than or equal to 72% in carborundum, and metal profile 102 uses 310S arc steel, makes to be formed
The U-shaped structure of boiler tube protective device.
Protective plate 101 and metal profile 102 by composition surface full-filling reconcile cement and carry out adhesion, reconcile cement by
High-temperature cement and alundum (Al2O3) are according to mass ratio 3:1 ratio, which tempers, to be made, and in actual use, metal pottery is compound anti-
Protection unit welds together by encircling in boiler tube windward side, and with boiler tube outside.
Embodiment 3
As Fig. 4 shows, boiler tube protective device provided in this embodiment includes protective plate 101, metal profile 102 and limit
Position block 105, protective plate 101 and the connection mode of metal profile 102 are same
Embodiment 1, details are not described herein.Limited block 105 is welded on the inner surface of metal profile 102, limited block
105 position is engaged with the limiting plate (not shown) on the outside of boiler tube.In actual use, limited block 105 and pot
The limiting plate in the outside of boiler tube 2 is fixedly connected.
The boiler tube protective device boiler tube protective device of embodiment 1,2,3, the high temperature resistant of combinative prevention plate, anticorrosive spy
Property and metal profile high intensity, the characteristic of flexible design so that boiler tube protective device structure is simple, it is highly practical, peace
Quan Xinggao, has heat-resisting quantity, corrosion resistance, wear-resisting abrasion resistance, boiler can be reduced as the protective device of boiler tube
Pipe abrasion corrosion rate, improves the service life of boiler tube, avoids booster, it is ensured that the safety of equipment, reduces economic loss.
Although above having made detailed description to the utility model with generality explanation and specific embodiment,
On the basis of the utility model, it can be made some modifications or improvements, this is apparent to those skilled in the art
's.Therefore, the these modifications or improvements on the basis of without departing from the utility model spirit, belonging to the utility model will
Seek the scope of protection.
Claims (6)
- A kind of 1. boiler tube protective device, it is characterised in that：The boiler tube protective device includes protective plate and metal profile, The protective plate is fixed on the outer surface of the metal profile, and the protective plate material is ceramics or carborundum.
- 2. boiler tube protective device according to claim 1, it is characterised in that：The protective plate and the metal profile Binding face be provided with reconciliation cement, the protective plate is provided with through hole, and the metal profile is provided with threaded hole, and screw is worn The through hole is crossed to be threadedly coupled with the threaded hole.
- 3. boiler tube protective device according to claim 2, it is characterised in that：The exposed surface of the screw is provided with envelope Blocking cap, the outer surface of the plugging cap are flushed with the outer surface of the protective plate, are set between the screw head and plugging cap Put and reconcile cement to fill up the gap between the plugging cap and protective plate.
- 4. the boiler tube protective device according to Claims 2 or 3, it is characterised in that：The reconciliation cement is high-temperature cement Temper and be made with alundum (Al2O3) aluminium powder, and the weight ratio of the high-temperature cement and alundum (Al2O3) aluminium powder is 3:1.
- 5. boiler tube protective device according to claim 2, it is characterised in that：The screw is welded with the metal profile It is connected together.
- 6. boiler tube protective device according to claim 1, it is characterised in that：The metal profile is perpendicular type, side Groove profile, U-shaped, semi-circular, annular or polygonal structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721439378.7U CN207316354U (en) | 2017-11-01 | 2017-11-01 | A kind of boiler tube protective device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721439378.7U CN207316354U (en) | 2017-11-01 | 2017-11-01 | A kind of boiler tube protective device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207316354U true CN207316354U (en) | 2018-05-04 |
Family
ID=62379697
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721439378.7U Active CN207316354U (en) | 2017-11-01 | 2017-11-01 | A kind of boiler tube protective device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207316354U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107654793A (en) * | 2017-11-01 | 2018-02-02 | 石会所 | A kind of boiler tube protector and means of defence |
-
2017
- 2017-11-01 CN CN201721439378.7U patent/CN207316354U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107654793A (en) * | 2017-11-01 | 2018-02-02 | 石会所 | A kind of boiler tube protector and means of defence |
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