CN111617606A - Bending-resistant spraying main pipe - Google Patents
Bending-resistant spraying main pipe Download PDFInfo
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- CN111617606A CN111617606A CN202010608495.1A CN202010608495A CN111617606A CN 111617606 A CN111617606 A CN 111617606A CN 202010608495 A CN202010608495 A CN 202010608495A CN 111617606 A CN111617606 A CN 111617606A
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- Prior art keywords
- bending
- main pipe
- length direction
- spraying
- along
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- 238000005452 bending Methods 0.000 title claims abstract description 48
- 238000005507 spraying Methods 0.000 title abstract description 38
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 36
- 229910000831 Steel Inorganic materials 0.000 claims description 45
- 239000010959 steel Substances 0.000 claims description 45
- 239000007921 spray Substances 0.000 claims description 35
- 230000002787 reinforcement Effects 0.000 claims description 20
- 230000000153 supplemental effect Effects 0.000 claims description 10
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 6
- 238000003466 welding Methods 0.000 description 6
- 230000007797 corrosion Effects 0.000 description 5
- 238000005260 corrosion Methods 0.000 description 5
- 239000007788 liquid Substances 0.000 description 5
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 4
- 238000010276 construction Methods 0.000 description 4
- 239000003546 flue gas Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000007493 shaping process Methods 0.000 description 3
- 230000003009 desulfurizing effect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 241000521257 Hydrops Species 0.000 description 1
- 206010030113 Oedema Diseases 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000009851 ferrous metallurgy Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/48—Sulfur compounds
- B01D53/50—Sulfur oxides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/77—Liquid phase processes
- B01D53/79—Injecting reactants
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/02—Other waste gases
- B01D2258/0283—Flue gases
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Coating By Spraying Or Casting (AREA)
Abstract
The invention relates to the technical field of pipelines, in particular to a bending-resistant spraying main pipe. The bending-resistant spraying main pipe comprises: the reinforcing part is fixedly arranged at the top of the body, and the size of the reinforcing part along the length direction is larger than or equal to that of the body along the length direction. According to the anti-bending spraying main pipe provided by the invention, the reinforced part is arranged at the top of the main body, so that the area of a pressed area at the top of the main body can be increased, the anti-bending rigidity of the spraying main pipe can be greatly improved, and the deflection of the spraying main pipe span is reduced. And the size of the reinforced part along the length direction is larger than or equal to the size of the main body along the length direction, and the reinforced 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 all top areas of the main spraying pipe along the length direction is improved, the main spraying pipe is enabled to be stressed evenly, and local deformation is avoided.
Description
Technical Field
The invention relates to the technical field of pipelines, in particular to a bending-resistant spraying main pipe.
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.
Disclosure of Invention
Therefore, the technical problem to be solved by the invention is to overcome the defect that a large-span spray main pipe for millions of units is easy to bend and deform in the prior art, so that the bending-resistant spray main pipe for improving the bending-resistant rigidity of the spray main pipe is provided.
In order to solve the above technical problem, the present invention provides an anti-bending spray main pipe, comprising:
a body, and
the reinforcing part is fixedly arranged on the top of the body, and the size of the reinforcing part along the length direction is larger than or equal to that of the body along the length direction.
Further, the reinforcing part 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.
Furthermore, a supplementary reinforcing part is fixedly mounted above the reinforcing part.
Further, the dimension of the supplemental reinforcement portion in the longitudinal direction is greater than or equal to the dimension of the reinforcement portion in the longitudinal direction.
Further, the supplementary reinforcing part is arranged at the middle position of the reinforcing part along the length direction, and the size of the supplementary reinforcing part along the length direction is smaller than that of the reinforcing part along the length direction.
Further, the supplementary reinforcement is an angle steel.
The technical scheme of the invention has the following advantages:
1. according to the anti-bending spraying main pipe provided by the invention, the reinforced part is arranged at the top of the main body, so that the area of a pressed area at the top of the main body can be increased, the anti-bending rigidity of the spraying main pipe can be greatly improved, and the deflection of the spraying main pipe span is reduced. And the size of the reinforced part along the length direction is larger than or equal to the size of the main body along the length direction, and the reinforced 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 all top areas of the main spraying pipe along the length direction is improved, the main spraying pipe is enabled to be stressed evenly, and local deformation is avoided.
2. The bending-resistant spray main pipe provided by the invention adopts the channel steel component, so that the bending rigidity of the spray main pipe can be improved, the processing of the bending-resistant spray main pipe can be facilitated, and the channel steel is directly welded with the spray main pipe, so that the quick processing and forming can be realized. 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.
3. According to the anti-bending spraying main pipe provided by the invention, the channel steel is directly welded with the spraying main pipe, so that the anti-bending spraying main pipe can be quickly processed and formed.
4. According to the bending-resistant spraying main pipe, the channel steel legs are welded with the main body, so that the upper surface of the reinforcing part is smooth, and accumulated liquid is avoided; meanwhile, the construction is convenient, and the rapid processing and forming can be realized.
5. According to the bending-resistant spray main pipe provided by the invention, the two end parts of the channel steel along the length direction are sealed, so that the interior of the channel steel can be ensured to be a sealed environment, the corrosion-resistant requirement is met, the two end parts of the channel steel along the length direction are prevented from being opened, liquid is further prevented from entering a region between the channel steel and the spray main pipe, and the corrosion of the welding position of the channel steel and the spray main pipe caused by factors such as accumulated liquid is reduced.
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 description of the embodiments or 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 other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a front view of a main pipe of an anti-bending shower in accordance with an embodiment of the present invention;
FIG. 2 is a schematic cross-sectional view A-A of FIG. 1;
FIG. 3 is a front view of a main pipe of the anti-bending shower in accordance with the embodiment of the present invention;
FIG. 4 is a schematic cross-sectional view B-B of FIG. 3;
FIG. 5 is a front view of a three-bend-resistant spray header in accordance with an embodiment of the present invention;
fig. 6 is a schematic cross-sectional view of C-C of fig. 5.
Description of reference numerals:
1-body, 2-reinforcement, 3-supplemental reinforcement.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within 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 simplicity of description, but do not indicate or imply that the device or element being 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 should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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 meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
Example one
Referring to fig. 1 and fig. 2, the present embodiment provides a main pipe for anti-bending spraying, including:
a body 1, and
and the reinforcing part 2 is fixedly arranged at the top of the body 1, and the size of the reinforcing part 2 along the length direction is larger than or equal to that of the body 1 along the length direction.
According to the bending-resistant spraying main pipe provided by the invention, the reinforced part 2 is arranged at the top of the main body 1, so that the area of a pressed area at the top of the main body 1 can be increased, the bending resistance of the spraying main pipe can be greatly improved, and the deflection of the spraying main pipe in the span can be reduced. And the size of the reinforcing part 2 along the length direction is larger than or equal to the size of the body 1 along the length direction, the reinforcing part 2 is arranged on the top of the main spraying pipe body in a full-length mode or the reinforcing part 2 is arranged in an overlong 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 reinforcing part 2 in the longitudinal direction is equal to a dimension of the body 1 in the longitudinal direction.
Specifically, the reinforcement 2 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 bending-resistant spray main pipe provided by the invention is preferably a cylindrical pipeline, and the body 1 is preferably cylindrical, so that the spray main pipe can be directly manufactured by adopting a traditional steel pipe conveniently.
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 reinforcing part 2 is ensured to be flat by welding the channel steel leg part with the body 1, and accumulated liquid 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 bending-resistant spray main pipe provided by the invention can be designed through finite element analysis calculation, the illustrated components are welded on the top of the spray main pipe according to the process arrangement, and then the height, the width and the thickness of the plate of the reinforcing part 2 are determined through analysis calculation according to the load arrangement. Aiming at the main spraying pipes with different spans, the width, the height and the plate thickness of the reinforcing part 2 are different, and the width, the height and the plate thickness need to be optimized and determined according to the result of finite element analysis, and are not repeated herein.
Example two
With reference to fig. 3 and 4, unlike the above embodiments, the main pipe for bending-resistant shower according to the present embodiment has a supplemental reinforcing portion 3 fixedly mounted above the reinforcing portion 2.
The area of the compression area at the top of the body 1 can be further increased by further fixedly mounting the supplementary reinforcing part 3 above the reinforcing part 2, so that the bending rigidity of the spraying main pipe is improved, and the deflection of the spraying main pipe span is reduced.
Specifically, the dimension of the supplemental reinforcement portion 3 in the longitudinal direction is greater than or equal to the dimension of the reinforcement portion 2 in the longitudinal direction. The supplemental reinforcing part 3 is arranged on the top full length of the reinforcing part 2 or the supplemental reinforcing part 3 is arranged on the top full length of the reinforcing part, 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 ensured to be stressed evenly, and local deformation is avoided.
Specifically, the supplemental reinforcement portion 3 is an angle steel. Adopt the angle steel component, on the one hand can improve the bending stiffness who sprays the person in charge, on the other hand can make things convenient for the bending resistance sprays the processing of being responsible for, through with the angle steel is direct to be welded with the top surface of channel-section steel component, can quick machine-shaping.
EXAMPLE III
With reference to fig. 5 and fig. 6, unlike the second embodiment, in the bending-resistant shower main pipe provided in the present embodiment, the supplemental reinforcing portion 3 is disposed at a middle position of the reinforcing portion 2 along the length direction, and a dimension of the supplemental reinforcing portion 3 along the length direction is smaller than a dimension of the reinforcing portion 2 along the length direction. Through reinforcement 2 sets up short distance along length direction's middle part position and supplyes reinforcement 3, can span the biggest part of moment of flexure to the top and play the reinforcing action, increase and spray the lifting surface who is responsible for the top to can improve the bending stiffness who sprays the person in charge greatly, reduce and spray the deflection of being responsible for striding, guarantee spray and be responsible for the middle part position and do not take place local deformation.
Example four
The main pipe for bending-resistant shower according to the present application will be described in detail with reference to specific examples.
In a spraying main pipe with the span of 21m, the diameter of the section of the spraying main pipe is 900mm, and the thickness of the spraying main pipe is 8 mm; the width of the channel steel at the top is 300mm, the height is 250mm, and the thickness is 10 mm. This spray and be responsible for the functional requirement that has satisfied the defroster system, reduced the wall thickness that sprays and be responsible for, also satisfied structural strength, rigidity and anticorrosive requirement simultaneously, reduced greatly and sprayed the flexibility of being responsible for striding, satisfied the design requirement.
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 therefrom are within the scope of the invention.
Claims (10)
1. The utility model provides a bending-resistant sprays and is responsible for, its characterized in that includes:
a body (1), and
the reinforcing part (2) is fixedly arranged at the top of the body (1), and the size of the reinforcing part (2) along the length direction is larger than or equal to the size of the body (1) along the length direction.
2. The bend resistant shower main pipe according to claim 1, wherein the reinforcement (2) is a channel steel.
3. The bending-resistant shower main pipe according to claim 2, wherein the channel steel is welded to the body (1).
4. A bending-resistant shower main pipe according to claim 3, wherein the channel is welded to the body (1) by legs.
5. The bending-resistant shower main pipe according to claim 4, wherein both ends of the channel steel in the longitudinal direction are closed.
6. A bending-resistant shower main pipe according to claim 5, wherein a closed cavity is defined between the channel and the body (1).
7. A bending-resistant shower main pipe according to any one of claims 1 to 6, wherein a supplementary reinforcement (3) is fixedly mounted above the reinforcement (2).
8. A bending-resistant shower main pipe according to claim 7, wherein the dimension of the supplementary reinforcement (3) in the length direction is greater than or equal to the dimension of the reinforcement (2) in the length direction.
9. The anti-bending shower main pipe according to claim 7, wherein the supplemental reinforcement portion (3) is provided at a middle position of the reinforcement portion (2) in the longitudinal direction, and a dimension of the supplemental reinforcement portion (3) in the longitudinal direction is smaller than a dimension of the reinforcement portion (2) in the longitudinal direction.
10. The bending-resistant shower main pipe according to claim 7, wherein the supplementary reinforcement (3) is an angle steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010608495.1A CN111617606A (en) | 2020-06-29 | 2020-06-29 | Bending-resistant spraying main pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010608495.1A CN111617606A (en) | 2020-06-29 | 2020-06-29 | Bending-resistant spraying main pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111617606A true CN111617606A (en) | 2020-09-04 |
Family
ID=72255575
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010608495.1A Pending CN111617606A (en) | 2020-06-29 | 2020-06-29 | Bending-resistant spraying main pipe |
Country Status (1)
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|---|---|
| CN (1) | CN111617606A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4522716A (en) * | 1983-02-04 | 1985-06-11 | Lavalley Richard W | Shower pipes for rotary drum filter |
| CN203530961U (en) * | 2013-10-25 | 2014-04-09 | 赤峰宏基建筑（集团）有限公司 | Reinforced type steel tube pile or steel stand column |
| EP2719442A1 (en) * | 2012-10-15 | 2014-04-16 | Doosan Lentjes GmbH | A flue gas purification device |
| CN204816155U (en) * | 2015-07-06 | 2015-12-02 | 无锡市华东电力设备有限公司 | Strenghthened type desulfurizing tower sprays layer |
| CN206762626U (en) * | 2017-04-14 | 2017-12-19 | 中国联合工程公司 | The spraying mechanism of desulfurizing tower |
| CN207260438U (en) * | 2017-09-29 | 2018-04-20 | 天津市恒基钢业有限公司 | Strengthen shape square steel tube |
| CN209524232U (en) * | 2018-12-21 | 2019-10-22 | 刘可盛 | One kind making somebody a mere figurehead counter-bending reinforced pipe |
| CN212440694U (en) * | 2020-06-29 | 2021-02-02 | 中国华电科工集团有限公司 | Bending-resistant spraying main pipe |
-
2020
- 2020-06-29 CN CN202010608495.1A patent/CN111617606A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4522716A (en) * | 1983-02-04 | 1985-06-11 | Lavalley Richard W | Shower pipes for rotary drum filter |
| EP2719442A1 (en) * | 2012-10-15 | 2014-04-16 | Doosan Lentjes GmbH | A flue gas purification device |
| CN203530961U (en) * | 2013-10-25 | 2014-04-09 | 赤峰宏基建筑（集团）有限公司 | Reinforced type steel tube pile or steel stand column |
| CN204816155U (en) * | 2015-07-06 | 2015-12-02 | 无锡市华东电力设备有限公司 | Strenghthened type desulfurizing tower sprays layer |
| CN206762626U (en) * | 2017-04-14 | 2017-12-19 | 中国联合工程公司 | The spraying mechanism of desulfurizing tower |
| CN207260438U (en) * | 2017-09-29 | 2018-04-20 | 天津市恒基钢业有限公司 | Strengthen shape square steel tube |
| CN209524232U (en) * | 2018-12-21 | 2019-10-22 | 刘可盛 | One kind making somebody a mere figurehead counter-bending reinforced pipe |
| CN212440694U (en) * | 2020-06-29 | 2021-02-02 | 中国华电科工集团有限公司 | Bending-resistant spraying main pipe |
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