CN212961533U - Cast iron type coal economizer - Google Patents
Cast iron type coal economizer Download PDFInfo
- Publication number
- CN212961533U CN212961533U CN202021649277.4U CN202021649277U CN212961533U CN 212961533 U CN212961533 U CN 212961533U CN 202021649277 U CN202021649277 U CN 202021649277U CN 212961533 U CN212961533 U CN 212961533U
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- Prior art keywords
- pipeline
- corrosion
- fixedly connected
- outside
- cast iron
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- 229910001018 Cast iron Inorganic materials 0.000 title claims abstract description 21
- 239000003245 coal Substances 0.000 title description 2
- 238000005260 corrosion Methods 0.000 claims abstract description 36
- 230000007797 corrosion Effects 0.000 claims abstract description 33
- 230000001681 protective effect Effects 0.000 claims abstract description 6
- 238000005728 strengthening Methods 0.000 claims abstract description 3
- 239000010410 layer Substances 0.000 claims description 69
- 230000003014 reinforcing effect Effects 0.000 claims description 36
- 239000012790 adhesive layer Substances 0.000 claims description 11
- 238000005299 abrasion Methods 0.000 claims description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 abstract description 6
- 239000003546 flue gas Substances 0.000 abstract description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 13
- 230000035939 shock Effects 0.000 description 4
- 239000000779 smoke Substances 0.000 description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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- Protection Of Pipes Against Damage, Friction, And Corrosion (AREA)
Abstract
The utility model discloses a cast iron formula economizer, concretely relates to boiler equipment technical field, the novel pipeline comprises a pipeline, the equal fixedly connected with corrosion resistant layer in one side of pipeline outside, the layer is pasted to the outside fixedly connected with on corrosion resistant layer, paste the outside fixedly connected with fin on layer, all be provided with additional strengthening on the inside wall of pipeline, the bottom of pipeline is provided with protective structure, one side fixedly connected with connection elbow of connecting the nested piece bottom. The utility model discloses a be provided with fin, corrosion-resistant layer and paste the layer, during the use, the fin is provided with the multiunit in the outside of pipeline, and the internal connection of fin has the corrosion-resistant layer, and the outer wall connection of corrosion-resistant layer and pipeline has increased the corrosion resistance to the pipe fitting, is connected with between corrosion-resistant layer and the fin and pastes the layer, has guaranteed the stability of structural use to the wall thickness of pipeline can be used to the industrial boiler that does not have the deoxidization for feedwater and the serious region of flue gas external corrosion, has improved the availability factor of equipment.
Description
Technical Field
The utility model relates to a boiler equipment technical field specifically is a cast iron formula economizer.
Background
At present, a boiler mainly converts energy, and a plurality of parts exist in the boiler, wherein an economizer is the most main part in the boiler and is used for heating feed water by utilizing the heat of smoke at the tail part of the boiler so as to reduce the temperature of exhaust smoke.
In the process of implementing the present invention, the inventor finds that at least the following problems exist in the prior art and are not solved:
(1) the traditional cast iron type economizer has poor abrasion resistance, so that the service life of equipment is shortened, and the service efficiency of the equipment is influenced;
(2) in the traditional cast iron type economizer, the walls of fins connected outside are thin, and the outside is easily corroded by smoke;
(3) the traditional cast iron type economizer has the defects of insufficient structural strength of a pipe wall structure and easy breakage due to water hammer caused by steam shock condensation.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a cast iron formula economizer to propose the not enough problem of wearability among the solution above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a cast iron type economizer comprises a pipeline, wherein one side of the outside of the pipeline is fixedly connected with a corrosion-resistant layer, the outside of the corrosion-resistant layer is fixedly connected with an adhesive layer, the outside of the adhesive layer is fixedly connected with fins, the inner side wall of the pipeline is provided with a reinforcing structure, and the bottom end of the pipeline is provided with a protective structure;
the protective structure comprises a connecting sleeve block, the connecting sleeve block is arranged at the bottom end of the pipeline, one side of the bottom end of the connecting sleeve block is fixedly connected with a connecting elbow, and the outer portion of the connecting elbow is fixedly connected with a wear-resistant pad.
Preferably, the connecting elbow is arranged at the bottom of the pipeline in a U shape, and the width of the inner part of the connecting elbow is larger than that of the outer part of the pipeline.
Preferably, the inner diameter of the fin is larger than that of the pipeline, and the thicknesses of the corrosion-resistant layer and the adhesive layer are equal.
Preferably, the diameters of the fins are equal, and the fins are arranged outside the pipeline at equal intervals.
Preferably, the additional strengthening comprises outer layer body, reinforcing plate, inlayer body and connecting seat, outer layer body fixed connection is on the inside wall of pipeline, the inside of outer layer body all is provided with the inlayer body, all be provided with the reinforcing plate between outer layer body and the inlayer body, the reinforcing plate is provided with the multiunit, the equal fixedly connected with connecting seat in both sides of reinforcing plate, the equal fixed connection of the opposite side of connecting seat is in the inside between outer layer body and the inlayer body.
Preferably, the width of the inner part of the connecting seat is larger than the width of the outer part of the reinforcing plate, and the reinforcing plates are arranged between the outer layer body and the inner layer body at equal intervals.
Compared with the prior art, the beneficial effects of the utility model are that: the cast iron type economizer not only realizes a protection structure, increases the wear resistance of the pipe fitting, realizes a corrosion resistant structure, has thick wall and strong corrosion resistance, but also realizes a reinforcing structure and improves the structural strength of the pipe fitting;
(1) the connecting sleeve block, the connecting elbow and the wear-resistant pad are arranged, so that when the device is used, the safety of a pipeline is good, the connecting elbow is arranged at the bottom of the pipeline through the connecting sleeve block, a plurality of groups of pipelines are arranged, the wear-resistant pad is connected to the outside of the pipeline, the wear resistance of the used pipe fitting is improved, and meanwhile, a flue gas bypass and a water supply bypass which directly supplies water to a boiler barrel are required to be arranged on a connecting system of the connecting elbow, so that the economizer can be withdrawn from operation and can be salvageed in operation when the boiler is started, and the boiler is shut down or the low-load operation is carried;
(2) the fin, the corrosion-resistant layer and the adhesive layer are arranged, when the device is used, a plurality of groups of fins are arranged outside a pipeline, the corrosion-resistant layer is connected inside the fin, the corrosion-resistant layer is connected with the outer wall of the pipeline, so that the corrosion resistance of a pipe fitting is improved, the adhesive layer is connected between the corrosion-resistant layer and the fins, the stability of the structural use is ensured, the wall thickness of the pipeline can be used for an industrial boiler without oxygen removal for water supply and a serious corrosion area outside flue gas, and the use efficiency of the device is improved;
(3) through being provided with the outer layer body, the reinforcing plate, inlayer body and connecting seat, during the use, horizontal series arrangement is made to the pipeline, the feedwater flows from bottom to top, the outer layer body and inlayer body coupling are at the inside wall of pipeline, the outer layer body and inlayer body form bilayer structure, the structural strength that the pipe fitting used has been guaranteed, be provided with the multiunit reinforcing plate between the outer layer body and the inlayer body, the structural strength of pipe fitting has been improved, the both sides of reinforcing plate are passed through the connecting seat and are connected, it is not hard up to produce when avoiding the reinforcing plate to use, can avoid cast iron pipe to take place the water hammer and break because of steam shock, the stability of.
Drawings
Fig. 1 is a schematic front view of a cross-sectional structure of the present invention;
FIG. 2 is an enlarged schematic view of the pipeline in front view with a partial section;
fig. 3 is a schematic view of the pipeline of the present invention in a top view cross-sectional structure;
fig. 4 is an enlarged partial cross-sectional view of the point a in fig. 2 according to the present invention.
In the figure: 1. connecting the elbow; 2. a pipeline; 3. a fin; 4. a wear pad; 5. connecting the sleeve blocks; 6. a reinforcing structure; 601. an outer layer body; 602. a reinforcing plate; 603. an inner layer body; 604. a connecting seat; 7. a bonding layer; 8. a corrosion resistant layer.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example 1: referring to fig. 1-4, a cast iron type economizer comprises a pipeline 2, wherein one side of the outside of the pipeline 2 is fixedly connected with a corrosion-resistant layer 8, the outside of the corrosion-resistant layer 8 is fixedly connected with a paste layer 7, the outside of the paste layer 7 is fixedly connected with a fin 3, the inner side wall of the pipeline 2 is provided with a reinforcing structure 6, and the bottom end of the pipeline 2 is provided with a protective structure;
referring to fig. 1-4, the cast iron type economizer further comprises a protection structure, wherein the protection structure comprises connecting sleeve blocks 5, the connecting sleeve blocks 5 are all arranged at the bottom end of the pipeline 2, one side of the bottom end of the connecting sleeve block 5 is fixedly connected with a connecting elbow 1, the connecting elbow 1 is arranged at the bottom of the pipeline 2 in a U shape, the width of the inside of the connecting elbow 1 is larger than the width of the outside of the pipeline 2, and the outside of the connecting elbow 1 is fixedly connected with a wear-resistant pad 4;
specifically, as shown in fig. 1, the safety of the pipeline 2 is good, the connecting elbow 1 is arranged at the bottom of the pipeline 2 through the connecting sleeve block 5, the pipelines 2 are provided with a plurality of groups, the outer part of the pipeline 2 is connected with the wear-resistant pad 4, the wear resistance of the used pipe fittings is improved, and meanwhile, a flue gas bypass and a water supply bypass which directly supplies water to a boiler barrel are needed on a connecting system of the connecting elbow, so that the economizer can be withdrawn from operation and can be salvageed in operation when the boiler is started, and the safety of the use of equipment is improved when the boiler is shut down or runs at a low load.
Example 2: the inner diameter of the fin 3 is larger than that of the pipeline 2, and the thicknesses of the corrosion-resistant layer 8 and the adhesive layer 7 are equal;
the diameters of the fins 3 are equal, and the fins 3 are arranged outside the pipeline 2 at equal intervals;
specifically, as shown in fig. 1 and 3, a plurality of groups of fins 3 are arranged outside the pipeline 2, the corrosion-resistant layer 8 is connected inside the fins 3, the corrosion-resistant layer 8 is connected with the outer wall of the pipeline 2, the corrosion resistance of the pipe fitting is improved, the adhesive layer 7 is connected between the corrosion-resistant layer 8 and the fins 3, the stability of the structural use is ensured, the wall thickness of the pipeline 2 can be used for industrial boilers which do not supply oxygen and areas which are seriously corroded by the outside of smoke, and the use efficiency of the equipment is improved.
Example 3: the reinforcing structure 6 comprises an outer layer body 601, a reinforcing plate 602, an inner layer body 603 and connecting seats 604, wherein the outer layer body 601 is fixedly connected to the inner side wall of the pipeline 2, the inner layer body 603 is arranged inside the outer layer body 601, the reinforcing plate 602 is arranged between the outer layer body 601 and the inner layer body 603, the reinforcing plates 602 are provided with a plurality of groups, the connecting seats 604 are fixedly connected to two sides of the reinforcing plate 602, the width inside the connecting seats 604 is larger than the width outside the reinforcing plate 602, the reinforcing plates 602 are arranged between the outer layer body 601 and the inner layer body 603 at equal intervals, and the other side of the connecting seats 604 is fixedly connected to the inside between the outer layer body 601 and the inner layer body 603;
specifically, as shown in fig. 2 and 4, the pipeline 2 is horizontally arranged in series, water supply flows from bottom to top, the outer layer body 601 and the inner layer body 603 are connected to the inner side wall of the pipeline 2, the outer layer body 601 and the inner layer body 603 form a double-layer structure, the structural strength of the pipe fitting in use is ensured, a plurality of groups of reinforcing plates 602 are arranged between the outer layer body 601 and the inner layer body 603, the structural strength of the pipe fitting is improved, the two sides of the reinforcing plates 602 are connected through the connecting seat 604, looseness of the reinforcing plates 602 in use is avoided, water hammer breakage of the cast iron pipe due to steam shock can be avoided, and the stability of the equipment is improved.
The working principle is as follows: the utility model discloses when using, at first, pipeline 2's security is better, connect elbow 1 through connecting the bottom of nested piece 5 setting at pipeline 2, and pipeline 2 is provided with the multiunit, pipeline 2's external connection has wear pad 4, the wearability that the pipe fitting used has been increased, there will be flue gas bypass and the direct feedwater bypass that supplies water to the boiler barrel so that start at the boiler simultaneously on its connected system, can withdraw from the economizer and move and can salvage in service when blowing out or the low-load operation, the security of equipment use has been increased.
Then, the fins 3 are provided with a plurality of groups outside the pipeline 2, the corrosion-resistant layer 8 is connected inside the fins 3, the corrosion-resistant layer 8 is connected with the outer wall of the pipeline 2, the corrosion resistance of the pipe fitting is improved, the adhesive layer 7 is connected between the corrosion-resistant layer 8 and the fins 3, the stability of the structure use is ensured, the wall thickness of the pipeline 2 can be used for industrial boilers without oxygen supply and areas with serious corrosion outside flue gas, and the use efficiency of the equipment is improved.
Finally, the pipeline 2 is horizontally arranged in series, water supply flows from bottom to top, the outer layer body 601 and the inner layer body 603 are connected to the inner side wall of the pipeline 2, the outer layer body 601 and the inner layer body 603 form a double-layer structure, the structural strength of the pipe fitting is guaranteed, a plurality of groups of reinforcing plates 602 are arranged between the outer layer body 601 and the inner layer body 603, the structural strength of the pipe fitting is improved, the two sides of each reinforcing plate 602 are connected through a connecting seat 604, looseness of the reinforcing plates 602 during use is avoided, water hammer breakage of the cast iron pipe due to steam shock can be avoided, and the stability of equipment is improved.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (6)
1. A cast iron type economizer comprises a pipeline (2), and is characterized in that: the anti-corrosion pipeline is characterized in that one side of the outside of the pipeline (2) is fixedly connected with an anti-corrosion layer (8), the outside of the anti-corrosion layer (8) is fixedly connected with an adhesive layer (7), the outside of the adhesive layer (7) is fixedly connected with fins (3), the inner side wall of the pipeline (2) is provided with a reinforcing structure (6), and the bottom end of the pipeline (2) is provided with a protective structure;
protective structure is including connecting cover piece (5), it all sets up in the bottom of pipeline (2) to connect cover piece (5), connect one side fixedly connected with of cover piece (5) bottom and connect elbow (1), the outside fixedly connected with abrasion pad (4) of connecting elbow (1).
2. The cast iron type economizer according to claim 1, wherein: the connecting elbow (1) is arranged at the bottom of the pipeline (2) in a U shape, and the width inside the connecting elbow (1) is larger than the width outside the pipeline (2).
3. The cast iron type economizer according to claim 1, wherein: the inner diameter of the fin (3) is larger than that of the pipeline (2), and the thicknesses of the corrosion-resistant layer (8) and the adhesive layer (7) are equal.
4. The cast iron type economizer according to claim 1, wherein: the diameters of the fins (3) are equal, and the fins (3) are arranged outside the pipeline (2) at equal intervals.
5. The cast iron type economizer according to claim 1, wherein: the utility model discloses a pipeline, including outer layer body (601), reinforcing plate (602), inlayer body (603), connection seat (604), additional strengthening (6) comprise outer layer body (601), reinforcing plate (602), inlayer body (603), outer layer body (601) fixed connection is on the inside wall of pipeline (2), the inside of outer layer body (601) all is provided with inlayer body (603), all be provided with reinforcing plate (602) between outer layer body (601) and inlayer body (603), reinforcing plate (602) are provided with the multiunit, the equal fixedly connected with connection seat (604) in both sides of reinforcing plate (602), the equal fixed connection of opposite side of connection seat (604) is in the inside between outer layer body (601) and inlayer body (603).
6. The cast iron type economizer according to claim 5, wherein: the width of the inner part of the connecting seat (604) is larger than the width of the outer part of the reinforcing plate (602), and the reinforcing plate (602) is arranged between the outer layer body (601) and the inner layer body (603) at equal intervals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021649277.4U CN212961533U (en) | 2020-08-11 | 2020-08-11 | Cast iron type coal economizer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021649277.4U CN212961533U (en) | 2020-08-11 | 2020-08-11 | Cast iron type coal economizer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212961533U true CN212961533U (en) | 2021-04-13 |
Family
ID=75351221
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021649277.4U Expired - Fee Related CN212961533U (en) | 2020-08-11 | 2020-08-11 | Cast iron type coal economizer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212961533U (en) |
-
2020
- 2020-08-11 CN CN202021649277.4U patent/CN212961533U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210413 |