CN214094440U - Structure for prolonging service life of low-temperature economizer - Google Patents
Structure for prolonging service life of low-temperature economizer Download PDFInfo
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- CN214094440U CN214094440U CN202022373316.9U CN202022373316U CN214094440U CN 214094440 U CN214094440 U CN 214094440U CN 202022373316 U CN202022373316 U CN 202022373316U CN 214094440 U CN214094440 U CN 214094440U
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Abstract
The utility model relates to the technical field of economizers, in particular to a structure for prolonging the service life of a low-temperature economizer, which comprises a heat exchange pipe fitting body and a plurality of wear-resistant pieces, wherein the wear-resistant pieces are arranged on the windward side of the inner turn of the heat exchange pipe fitting body; in practical application, the wear-resisting piece is additionally arranged at the corner of the heat exchange pipe body, so that the wear resistance is better; the inner wear-resistant layer and the outer wear-resistant layer are arranged inside and outside the heat exchange pipe fitting body, so that large-area pipeline wear and leakage are effectively prevented, and a large amount of manpower and financial resources are saved; the utility model discloses the wearability is good, can prevent effectively that large tracts of land pipeline from wearing and tearing and leaking, saves a large amount of manpower financial resources.
Description
Technical Field
The utility model relates to an economizer technical field specifically is a structure of extension low temperature economizer life.
Background
At present, the main reasons for short service life of the low-temperature economizer are as follows: the large-particle dust in the flue gas directly erodes heat exchange pipe fittings, so that after the new economizer runs for three to four years, large-area pipeline abrasion and leakage of the heat exchange pipe occur, particularly the corner of the heat exchange pipe, the economizer is required to be replaced in a large area or integrally replaced, and a large amount of manpower and financial resources are wasted; the short service life is mainly due to insufficient abrasion resistance of the material, and the current market mainly adopts enamel technology for abrasion prevention protection, but the price is high.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to foretell not enough, provide a wearability is good, can effectively prevent large tracts of land pipeline wearing and tearing and leak, saves the extension low temperature economizer life's of a large amount of manpower and financial resources structure.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a structure of extension low temperature economizer life, includes heat transfer pipe fitting body and multi-disc wear pad, the wear pad is located the windward side of the inside corner of heat transfer pipe fitting body, heat transfer pipe fitting body is by interior and outer wearing layer including interior wearing layer, supporting layer and outer wearing layer, wear pad fixed connection in interior wearing layer, the lateral wall of interior wearing layer with the inside wall laminating of supporting layer, the lateral wall of supporting layer with the inside wall laminating of outer wearing layer.
Furthermore, the wear-resistant sheet is an anti-wear tile bonded or welded on the inner side wall of the inner wear-resistant layer.
Furthermore, the inner wear-resistant layer is made of a titanium alloy material, and internal threads are arranged on the inner side wall of the inner wear-resistant layer.
Further, the supporting layer is made of aluminum alloy, and reinforcing ribs are arranged in the supporting layer.
Further, the outer wear-resistant layer is made of a titanium alloy material.
The utility model has the advantages that:
in practical application, the wear-resisting piece is additionally arranged at the corner of the heat exchange pipe body, so that the wear resistance is better; the inner wear-resistant layer and the outer wear-resistant layer are arranged inside and outside the heat exchange pipe fitting body, so that large-area pipeline wear and leakage are effectively prevented, and a large amount of manpower and financial resources are saved; the utility model discloses the wearability is good, can prevent effectively that large tracts of land pipeline from wearing and tearing and leaking, saves a large amount of manpower financial resources.
Drawings
Fig. 1 is a schematic structural view of the cross section of the present invention;
reference numerals: a heat exchange pipe body 1; an inner wear layer 11; internal threads 111; a support layer 12; a reinforcing rib 121; an outer wear layer 13; and (3) wear-resistant pieces 2.
Detailed Description
As shown in fig. 1, a structure for prolonging the service life of a low-temperature economizer comprises a heat exchange pipe fitting body 1 and a plurality of wear-resistant pieces 2, wherein the wear-resistant pieces 2 are arranged on the windward side of the inner corner of the heat exchange pipe fitting body 1, the heat exchange pipe fitting body 1 comprises an inner wear-resistant layer 11, a supporting layer 12 and an outer wear-resistant layer 13 from inside to outside, the wear-resistant pieces 2 are fixedly connected to the inner wear-resistant layer 11, the outer side wall of the inner wear-resistant layer 11 is attached to the inner side wall of the supporting layer 12, and the outer side wall of the supporting layer 12 is attached to the inner side wall of the outer wear-resistant layer 13.
When the heat exchange pipe fitting works, the wear-resisting pieces 2 are additionally arranged at the corners of the heat exchange pipe fitting body 1, so that the wear resistance is better; the inner wear-resistant layer 11 and the outer wear-resistant layer 13 are arranged inside and outside the heat exchange pipe fitting body 1, so that large-area pipeline wear and leakage are effectively prevented, and a large amount of manpower and financial resources are saved; the utility model discloses the wearability is good, can prevent effectively that large tracts of land pipeline from wearing and tearing and leaking, saves a large amount of manpower financial resources.
As shown in fig. 1, the wear-resistant plate 2 is a wear-resistant tile adhered or welded on the inner side wall of the inner wear-resistant layer 11; in this embodiment, through increasing the ordinary abrasionproof tile of multi-disc in advance at 1 flue gas windward side of heat transfer pipe fitting body, the direct scouring effect of large granule dust to the heat transfer pipe fitting body in the reduction flue gas reduces the inside impact friction wearing and tearing that receives of heat transfer pipe fitting body.
As shown in fig. 1, the inner wear-resistant layer 11 is made of a titanium alloy material, and an inner side wall of the inner wear-resistant layer 11 is provided with an internal thread 111; in the embodiment, titanium is a metal with a strong passivation tendency, a stable oxidation protective film can be rapidly generated in air and an oxidizing or neutral aqueous solution, the protective film can be rapidly and automatically recovered even if damaged due to some reasons, and the heat exchange pipe fitting has the characteristics of high temperature resistance, corrosion resistance, wear resistance, light weight and the like, and the internal threads 111 are used for guiding flue gas particles, so that impact friction and abrasion on the interior of the heat exchange pipe fitting body are reduced.
As shown in fig. 1, the support layer 12 is made of an aluminum alloy, and reinforcing ribs 121 are provided in the support layer 12; in this embodiment, aluminium has superstrong heat conductivity, through increase the strengthening rib in the aluminum alloy, has effectively strengthened the intensity of heat transfer pipe fitting body 1.
As shown in fig. 1, the outer wear-resistant layer 13 is made of a titanium alloy material; in this embodiment, since titanium is a metal having a strong passivation tendency, a stable oxidation protective film can be rapidly formed in air and in an oxidizing or neutral aqueous solution, and the protective film can be rapidly and automatically restored even if the protective film is damaged due to some reasons, and the titanium alloy of the outer wear-resistant layer 13 further provides corrosion and wear resistance for the inside of the heat exchange tube body 1.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein will be apparent to those skilled in the art without departing from the scope and spirit of the invention as defined in the accompanying claims.
Claims (5)
1. The utility model provides a structure of extension low temperature economizer life which characterized in that: the heat exchange pipe fitting comprises a heat exchange pipe fitting body (1) and a plurality of wear-resistant pieces (2), wherein the wear-resistant pieces (2) are arranged on the windward side of a corner inside the heat exchange pipe fitting body (1), the heat exchange pipe fitting body (1) comprises an inner wear-resistant layer (11), a supporting layer (12) and an outer wear-resistant layer (13) from inside to outside, the wear-resistant pieces (2) are fixedly connected to the inner wear-resistant layer (11), the outer side wall of the inner wear-resistant layer (11) is attached to the inner side wall of the supporting layer (12), and the outer side wall of the supporting layer (12) is attached to the inner side wall of the outer wear-resistant layer (13).
2. The structure for extending the service life of a low-temperature economizer according to claim 1, wherein: the wear-resistant plate (2) is an anti-wear tile bonded or welded on the inner side wall of the inner wear-resistant layer (11).
3. The structure for extending the service life of a low-temperature economizer according to claim 1, wherein: the inner wear-resistant layer (11) is made of a titanium alloy material, and internal threads (111) are arranged on the inner side wall of the inner wear-resistant layer (11).
4. The structure for extending the service life of a low-temperature economizer according to claim 1, wherein: the supporting layer (12) is made of aluminum alloy, and reinforcing ribs (121) are arranged in the supporting layer (12).
5. The structure for extending the service life of a low-temperature economizer according to claim 1, wherein: the outer wear-resistant layer (13) is made of a titanium alloy material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022373316.9U CN214094440U (en) | 2020-10-22 | 2020-10-22 | Structure for prolonging service life of low-temperature economizer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022373316.9U CN214094440U (en) | 2020-10-22 | 2020-10-22 | Structure for prolonging service life of low-temperature economizer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214094440U true CN214094440U (en) | 2021-08-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022373316.9U Active CN214094440U (en) | 2020-10-22 | 2020-10-22 | Structure for prolonging service life of low-temperature economizer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214094440U (en) |
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2020
- 2020-10-22 CN CN202022373316.9U patent/CN214094440U/en active Active
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