CN212440695U - Bending-resistant spraying main pipe - Google Patents
Bending-resistant spraying main pipe Download PDFInfo
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- CN212440695U CN212440695U CN202021257304.3U CN202021257304U CN212440695U CN 212440695 U CN212440695 U CN 212440695U CN 202021257304 U CN202021257304 U CN 202021257304U CN 212440695 U CN212440695 U CN 212440695U
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Abstract
The utility model relates to the technical field of pipelines, concretely relates to bending resistance sprays and is responsible for. The bending-resistant spraying main pipe comprises: the first reinforcing part is fixedly arranged at the top of the body, and the size of the first reinforcing part along the length direction is larger than or equal to that of the body along the length direction; and the second reinforcing part is fixedly arranged at the bottom of the body, and the size of the second reinforcing part along the length direction is smaller than that of the body along the length direction. The utility model provides a bending resistance sprays the person in charge, through set up the rib on the body, can increase the area is distinguished in the compression of body top and bottom to can improve the bending stiffness who sprays the person in charge greatly, reduce and spray the amount of deflection of being responsible for striding.
Description
Technical Field
The utility model relates to the technical field of pipelines, concretely relates to bending resistance sprays and is responsible for.
Background
With the increasing emphasis on environmental protection worldwide, strict emission standards have been imposed on the emission of sulfur dioxide, one of the major pollutants in the atmosphere. In the ferrous metallurgy industry and the thermal power industry, because the sulfur content of sintered ores in part of regions is very high, the sulfur dioxide content in sintered flue gas can reach 5000mg/Nm3, sometimes even can reach more than 10000mg/Nm3, and far exceeds the emission standard. However, in the newly built million units of the thermal power plant, the requirement of meeting the standard of ultra-low emission is met, in order to enable the content of sulfur dioxide in flue gas to meet the emission standard, wet desulphurization is generally adopted, the flue gas is conveyed into a spray desulphurization tower, the flue gas is fully mixed and reacted with slurry sprayed out of a slurry spray layer in the spray desulphurization tower in the process of rising in the spray desulphurization tower, and desulphurization is realized under certain conditions so as to meet the emission standard and reduce the pollution degree to the environment.
The diameter of the wet desulphurization tower used by a million units is often more than 20m, the traditional spraying main pipe made of a round steel pipe cannot meet the requirement of deformation, the deflection of the spraying main pipe exceeds the standard limit value, and if the deflection cannot be controlled, great potential safety hazard is caused after long-term use.
SUMMERY OF THE UTILITY MODEL
Therefore, the to-be-solved technical problem of the utility model lies in overcoming among the prior art million for the unit large-span spray be responsible for take place the defect of bending deformation easily to provide an improvement and spray the bending resistance of being responsible for's bending stiffness and spray and be responsible for.
In order to solve the technical problem, the utility model provides a pair of bending resistance sprays and is responsible for, include:
the body is provided with a plurality of grooves,
the first reinforcing part is fixedly arranged at the top of the body, and the size of the first reinforcing part along the length direction is larger than or equal to the size of the body along the length direction; and
the second reinforcing part is fixedly arranged at the bottom of the body, and the size of the second reinforcing part along the length direction is smaller than that of the body along the length direction.
Further, the second reinforcing part is arranged at the middle position of the body along the length direction.
Further, the first reinforcement portion and/or the second reinforcement portion is a channel steel.
Further, the channel steel is connected with the body in a welding mode.
Further, the channel steel is welded with the body through the leg portions.
Furthermore, the end parts of two ends of the channel steel along the length direction are arranged in a closed mode.
Further, a closed cavity is defined between the channel steel and the body.
Further, the first reinforcement portion and the second reinforcement portion are symmetrically disposed in a radial direction with respect to the body.
The utility model discloses technical scheme has following advantage:
1. the utility model provides a bending resistance sprays the person in charge, through the body top sets up first rib, can increase the area is distinguished in the compression at body top to can improve the bending stiffness who sprays the person in charge greatly, reduce and spray the amount of deflection of being responsible for striding. And the size of the first reinforcing part along the length direction is larger than or equal to the size of the main body along the length direction, and the first reinforcing part is arranged at the top of the main spraying pipe body in a full-length mode or in an overlong mode, so that the bending rigidity of the whole top area of the main spraying pipe along the length direction is improved, the main spraying pipe is guaranteed to be stressed evenly, and local deformation is avoided.
2. The utility model provides a bending resistance sprays the person in charge, through the body bottom sets up the second rib, can increase the area is distinguished in the compression of body bottom to can improve the bending stiffness who sprays the person in charge greatly, reduce and spray the amount of deflection of being responsible for striding. The size of the second reinforcing part along the length direction is smaller than that of the body along the length direction, the short-distance second reinforcing part is arranged at the middle position of the bottom of the body along the length direction, the part with the largest bending moment in the middle span of the bottom can be reinforced, the stress area of the bottom of the main spraying pipe is increased, the bending rigidity of the main spraying pipe can be greatly improved, the deflection of the middle span of the main spraying pipe is reduced, and the middle position of the main spraying pipe is guaranteed not to be locally deformed.
3. The utility model provides a bending resistance sprays the person in charge, adopts the channel-section steel component, can improve the bending stiffness who sprays the person in charge on the one hand, and on the other hand can be convenient the bending resistance sprays the processing of being responsible for, through inciting somebody to action the channel-section steel direct with it welds to spray the person in charge, can rapid machine-shaping. And the channel steel structure is adopted, so that the process requirement can be met, the minimum section size can be adopted in a large-span desulfurizing tower of a million units, the structural strength and deformation requirements are met, and the corrosion resistance and the construction are simple and convenient.
4. The bending-resistant spraying main pipe provided by the utility model adopts the welding of the channel steel leg part and the body to ensure that the upper surface of the first reinforcing part and the lower surface of the second reinforcing part are smooth and avoid liquid accumulation; meanwhile, the construction is convenient, and the rapid processing and forming can be realized.
5. The utility model provides a bending resistance sprays the person in charge, through right the channel-section steel seals along length direction's both ends tip, can more guarantee that the channel-section steel is inside for sealed environment, satisfies anticorrosive requirement, avoids because the channel-section steel opens along length direction's both ends tip, and then avoids liquid to get into the channel-section steel and spray the region between the person in charge, reduces the channel-section steel and takes place because the circumstances of the corruption that factors such as hydrops caused of the welding department that sprays the person in charge.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a front view of an anti-bending spraying main pipe according to an embodiment of the present invention;
FIG. 2 is a schematic cross-sectional view A-A of FIG. 1;
fig. 3 is a schematic sectional view B-B of fig. 1.
Description of reference numerals:
1-body, 2-first reinforcement, 3-second reinforcement.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. 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.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.
Referring to fig. 1 to fig. 3, the present embodiment provides a main pipe for anti-bending spraying, including:
the body 1 is provided with a plurality of grooves,
the first reinforcing part 2 is fixedly arranged at the top of the body 1, and the size of the first reinforcing part 2 along the length direction is larger than or equal to that of the body 1 along the length direction; and
and the second reinforcing part 3 is fixedly arranged at the bottom of the body 1, and the size of the second reinforcing part 3 along the length direction is smaller than that of the body 1 along the length direction.
The utility model provides a bending resistance sprays the person in charge, through 1 top of body sets up first rib 2, can increase the area is distinguished in the compression at 1 top of body to can improve the bending stiffness who sprays the person in charge greatly, reduce to spray the person in charge and stride the amount of deflection in the middle. And the size of the first reinforcing part 2 along the length direction is larger than or equal to the size of the body 1 along the length direction, the first reinforcing part 2 is arranged at the top of the main spraying pipe body in a full length mode or the first reinforcing part 2 is arranged at an overlength mode, so that the bending rigidity of all top areas of the main spraying pipe along the length direction is improved, the main spraying pipe is guaranteed to be stressed evenly, and local deformation is avoided.
Preferably, in the present embodiment, a dimension of the first reinforcing part 2 in the longitudinal direction is equal to a dimension of the body 1 in the longitudinal direction.
Specifically, the second reinforcing part 3 is provided at a middle position of the body 1 in the length direction.
The utility model provides a bending resistance sprays the person in charge, through 1 bottom of body sets up second rib 3, can increase the area is distinguished in the compression of 1 bottom of body to can improve the bending stiffness who sprays the person in charge greatly, reduce to spray the person in charge and stride the amount of deflection in the middle. And the size of the second reinforcing part 3 along the length direction is smaller than that of the body 1 along the length direction, and the short-distance second reinforcing part 3 is arranged at the middle position of the bottom of the body 1 along the length direction, so that the part with the largest bending moment in the middle span of the bottom can be reinforced, the stress area of the bottom of the main spray pipe is increased, the bending rigidity of the main spray pipe can be greatly improved, the deflection of the middle span of the main spray pipe is reduced, and the middle position of the main spray pipe is ensured not to be locally deformed.
Specifically, the first reinforcement part 2 and/or the second reinforcement part 3 is a channel steel. Adopt the channel-section steel component, on the one hand can improve the bending stiffness who sprays the person in charge, on the other hand can be convenient the bending resistance sprays the processing of being responsible for, through with the channel-section steel directly with spray and be responsible for and weld, can rapid tooling shaping. And the channel steel structure is adopted, so that the process requirement can be met, the minimum section size can be adopted in a large-span desulfurizing tower of a million units, the structural strength and deformation requirements are met, and the corrosion resistance and the construction are simple and convenient.
Preferably, the utility model provides a bending resistance sprays and is responsible for preferred cylindrical pipeline, body 1 is preferably cylindrical, conveniently adopts traditional steel pipe direct manufacture to spray and is responsible for.
Specifically, the channel steel is connected with the body 1 in a welding mode. Through inciting somebody to action the channel-section steel directly with spray and be responsible for and weld, can rapid tooling shaping.
Specifically, the channel steel is welded to the body 1 through legs. The upper surface of the first reinforcing part 2 and the lower surface of the second reinforcing part 3 are ensured to be flat by welding the channel steel leg part with the body 1, so that liquid accumulation is avoided; meanwhile, the construction is convenient, and the rapid processing and forming can be realized.
Specifically, the end parts of two ends of the channel steel along the length direction are arranged in a closed mode. And a closed cavity is defined between the channel steel and the body 1. Through right the channel-section steel seals along length direction's both ends tip, can more guarantee that the channel-section steel is inside for sealed environment, satisfies anticorrosive requirement, avoids because the channel-section steel opens along length direction's both ends tip, and then avoids liquid to get into the channel-section steel and spray the region between the person in charge, reduces the channel-section steel and sprays the circumstances emergence of the corrosion that the welding department of being responsible for caused because factors such as hydrops.
Preferably, the channel-section steel seals through the welding steel sheet along length direction's both ends tip, makes the channel-section steel with inject the closed cavity between the body 1 and be complete encapsulated situation, and then satisfy anticorrosive requirement.
Preferably, the utility model provides a bending resistance sprays and is responsible for can be calculated through finite element analysis during the design, arranges the component at the top welding picture that sprays the person in charge according to the technology, then arranges according to the load and carries out the analysis and calculation, confirms first rib 2 and/or the height, the width of second rib 3 and the thickness of plate. Aiming at the main spraying pipes with different spans, the width, the height and the plate thickness of the first reinforcing part 2 and/or the second reinforcing part 3 are different, and the first reinforcing part and the second reinforcing part need to be optimized and determined according to the result of finite element analysis, and are not repeated herein.
Specifically, the first reinforcement part 2 and the second reinforcement part 3 are symmetrically arranged in the radial direction with respect to the body 1. The first reinforcing part 2 and the second reinforcing part 3 are symmetrically arranged relative to the body 1 along the radial direction, so that the bending rigidity of the main spraying pipe can be improved to the maximum extent, and the deflection of the midspan of the main spraying pipe is reduced.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.
Claims (8)
1. The utility model provides a bending-resistant sprays and is responsible for, its characterized in that includes:
a body (1),
the first reinforcing part (2) is fixedly arranged at the top of the body (1), and the size of the first reinforcing part (2) along the length direction is larger than or equal to that of the body (1) along the length direction; and
the second reinforcing part (3) is fixedly arranged at the bottom of the body (1), and the size of the second reinforcing part (3) along the length direction is smaller than that of the body (1).
2. The anti-buckling shower main pipe according to claim 1, wherein the second reinforcement portion (3) is provided at a middle position of the body (1) in a length direction.
3. The bend-resistant shower main pipe according to claim 2, characterized in that the first reinforcement (2) and/or the second reinforcement (3) is a channel steel.
4. The bending-resistant shower main pipe according to claim 3, wherein the channel steel is welded to the body (1).
5. A bending-resistant shower main pipe according to claim 4, wherein the channel is welded to the body (1) by legs.
6. The main pipe of claim 5, wherein the channel is closed at both ends in the longitudinal direction.
7. A bending-resistant shower main pipe according to claim 6, wherein a closed cavity is defined between the channel and the body (1).
8. A bending-resistant shower main pipe according to any one of claims 1 to 7, wherein the first reinforcement (2) and the second reinforcement (3) are arranged symmetrically in a radial direction with respect to the body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021257304.3U CN212440695U (en) | 2020-06-30 | 2020-06-30 | Bending-resistant spraying main pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021257304.3U CN212440695U (en) | 2020-06-30 | 2020-06-30 | Bending-resistant spraying main pipe |
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| Publication Number | Publication Date |
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| CN212440695U true CN212440695U (en) | 2021-02-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021257304.3U Active CN212440695U (en) | 2020-06-30 | 2020-06-30 | Bending-resistant spraying main pipe |
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| CN (1) | CN212440695U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111701422A (en) * | 2020-06-30 | 2020-09-25 | 中国华电科工集团有限公司 | Bending-resistant spraying main pipe |
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2020
- 2020-06-30 CN CN202021257304.3U patent/CN212440695U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111701422A (en) * | 2020-06-30 | 2020-09-25 | 中国华电科工集团有限公司 | Bending-resistant spraying main pipe |
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