CN112221183B - Herringbone baffle plate group provided with frame supporting beam - Google Patents
Herringbone baffle plate group provided with frame supporting beam Download PDFInfo
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- CN112221183B CN112221183B CN202011169188.4A CN202011169188A CN112221183B CN 112221183 B CN112221183 B CN 112221183B CN 202011169188 A CN202011169188 A CN 202011169188A CN 112221183 B CN112221183 B CN 112221183B
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- 230000004323 axial length Effects 0.000 claims abstract description 8
- 239000007788 liquid Substances 0.000 claims description 8
- 230000002146 bilateral effect Effects 0.000 claims description 2
- 229910000831 Steel Inorganic materials 0.000 description 17
- 239000010959 steel Substances 0.000 description 17
- 239000000463 material Substances 0.000 description 8
- 230000008901 benefit Effects 0.000 description 6
- 238000005452 bending Methods 0.000 description 3
- 238000005194 fractionation Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000035699 permeability Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 210000001015 abdomen Anatomy 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 238000009827 uniform distribution Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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
- B01D53/14—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 by absorption
- B01D53/18—Absorbing units; Liquid distributors therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
- B01D3/14—Fractional distillation or use of a fractionation or rectification column
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
Abstract
The invention belongs to petrochemical industry, relates to a herringbone baffle structure for a tower, in particular to a herringbone baffle group provided with a frame supporting beam, which comprises a plurality of herringbone baffles, wherein the herringbone baffles are arranged in a plurality of corresponding modules, each module is built by a main beam, a web member and a pull beam to form a cube truss, the modules are arranged symmetrically left and right and are sequentially and integrally built along the transverse direction and the longitudinal direction, and adjacent modules adopt the same main beam to form a sharing structure. The axial length of the module main beam positioned in the middle is longest, the axial length of the main beam positioned at the side is successively shortened, the length of the main beams positioned at the two sides is shortest, the herringbone baffle plates are arranged in the modules along the horizontal direction, and the herringbone baffle plates in the adjacent modules are arranged in a staggered mode in horizontal height.
Description
Technical Field
The invention belongs to the petrochemical industry, relates to a herringbone baffle structure for a tower, and in particular relates to a herringbone baffle group provided with a frame supporting beam.
Background
In petrochemical industry, the tower belongs to a large number of important equipment units, and the tower is widely applied to various operation units such as distillation, absorption, washing, fractionation and the like, and the quality of the performance of the tower directly influences the yield, quality, recovery rate, economic benefit and the like of the final product.
Along with the continuous improvement of the economy in China, the energy consumption of China on petrochemical industry and the like is high, the energy saving and environmental protection requirements of pollution heavy industry are higher and higher, and meanwhile, enterprises pursue the maximization of benefits, so that long-period operation and maximization of tower equipment are an important trend of current development no matter oil refining devices, petrochemical devices or coal chemical industry. Because the requirements of tower enlargement and long-period operation of the tower are continuously increased, the technical requirements on tower internals are also more and more strict, and the reasonable design of the tower internals is a precondition for saving cost, ensuring stable operation and safe operation of the tower and ensuring maximum production capacity and maximum efficiency. Moreover, for materials which are easy to collect and have high heat exchange capacity, the problems of heat exchange efficiency and blocking resistance in rectification and fractionation are solved, the herringbone baffle is one of important parts of the lower tower sections of the rectification tower and the fractionation tower, an oil gas inlet or a reboiler return port is generally formed in the bottom of the tower, the pressure of the air inlet is large, the temperature is high, and a large upward impact force is generated on the herringbone baffle at the bottom, especially in the process of long-period running of a large tower diameter and a device, the herringbone baffle is easy to deform greatly due to large span, and is blown to turn over or tear.
In the invention patent, the patent number is CN101549213A, a herringbone baffle with an opening and an arrangement mode in a tower are mentioned. In the patent of the invention, only a herringbone baffle with holes and a tower internal arrangement mode are introduced. The herringbone baffle with the holes can increase the gas-liquid contact area, quicken the liquid flow and reduce the residence time, but the patent does not relate to the situation that large deformation and insufficient strength are generated when the herringbone baffle is impacted by high gas speed and large load in the actual operation process of the herringbone baffle, and especially does not mention how to consider the reinforcing situation of the herringbone baffle in a large tower diameter. The large deformation of the herringbone baffle plate also can cause great influence on the flow and residence time of liquid, along with the continuous increase of the tower diameter, the span and the width of the herringbone baffle plate can also be increased, the strength and the rigidity of the baffle plate are only enhanced by increasing the thickness of the herringbone baffle plate, and the supporting of the herringbone baffle plate with the large tower diameter is directly applied to the regular section profile: for example, I-steel and channel steel, the beam structure with the uniform section is manufactured to cause great waste of materials, so that the research on how to strengthen the strength and the rigidity of the herringbone baffle in the large tower diameter is necessary.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide the herringbone baffle group provided with the frame support beam, which has the advantages of simple structure, good permeability, good support strength, strong bending resistance and high stability, and can ensure the strength and rigidity of the herringbone baffle under the impact of atmospheric speed and high-heat gas phase load.
The technical scheme adopted by the invention is as follows:
The utility model provides an install a frame support beam's herringbone baffle group, support arrangement of mountable polylith herringbone baffle, includes a plurality of herringbone baffles, its characterized in that: the novel horizontal girder comprises a plurality of herringbone baffles, wherein the herringbone baffles are arranged in a plurality of corresponding modules, each module is built by a girder, a web member and a pull beam to form a cube truss, the modules are arranged in bilateral symmetry, the axial length of the girder of the module at the middle part is longest, the axial length of the girder at the side is successively shortened, the lengths of the girders at the two sides are shortest, the herringbone baffles are arranged in the modules along the horizontal direction, and the horizontal heights of the herringbone baffles in the adjacent modules are staggered.
Further, every the module all include four girders, many web members and many draw beams, four girders parallel interval distribution form the long to the four sides of cube truss, upper and lower adjacent girder adopts web members integrative fixedly, the adjacent girder in left and right sides adopts draw beam integrative fixedly, a plurality of modules are put up along horizontal and vertical integrative in order, adjacent module adopts same girder to form the limit structure altogether.
Further, the horizontal positions of the pull beams in the left and right adjacent modules are arranged in a vertically staggered mode, the geometric axes of the pull beams and the geometric axes of the main beams are converged at one point, and a liquid baffle is arranged between the adjacent main beams without the pull beams.
Further, the middle bottom surface of the herringbone baffle is carried at the upper end of an inclined plane girder, each inclined plane girder is parallel to the girders in the module, a connecting plate is movably mounted at the front end and the rear end of the inclined plane girder in the axial direction, and the end parts of the other sides of the two connecting plates are welded and fixed with the tower wall.
Furthermore, the main beams positioned on the bottom layer and the secondary bottom layer are connected by adopting web members, the included angle between each web member and each main beam is 20-150 degrees, the web members are in a group, and the junction point of the geometric axes of the two web members in the same group is converged with the geometric axis of the main beam.
Further, two side end parts of the main beam positioned at the bottom layer are integrally fixed with a base plate in the bottom surface of the main beam, and a plurality of oblong holes are formed in each base plate along the axis direction of the parallel main beam.
Further, a rib plate is integrally welded between the side end face of the main beam and the upper end face of the backing plate, which are positioned on the bottom layer.
The invention has the advantages and positive effects that:
According to the invention, the cross section profile used for supporting the herringbone baffle plate in the prior art is replaced, the hollowed-out structure is adopted, the waste of materials is effectively avoided on the premise that the structural strength is ensured, the size and thickness of the support beam and the herringbone baffle plate are greatly reduced, the rationality and the economy of the structure on the utilization of the materials are further improved, and the production cost is saved. For example, a traditional steel beam and a frame support beam are adopted for a herringbone baffle in the column diameter of the rectifying column DN11500, and the two beams are respectively subjected to strength calculation through ANSYS finite element software.
The hollow belly system structure of the invention is beneficial to the gas flow in the girder framework, ensures that the phenomena of bias flow, stagnation and dry plate do not occur on the liquid on the large-tower-diameter herringbone baffle, and simultaneously ensures the uniform distribution of the gas under the herringbone baffle, thereby further ensuring the maximum mass transfer efficiency of the herringbone baffle.
According to the invention, the girder, the web members and the pull beams are connected in a certain mode to form a large frame support beam, and the beam has the advantages of simple structure, good permeability, good support strength, strong bending resistance and high stability, and can ensure the strength and rigidity of the herringbone baffle under the impact of atmospheric velocity and high-heat gas phase load.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic diagram of the structure of the module according to the present invention;
FIG. 3 is an enlarged view of a portion of section I of FIG. 2;
Fig. 4 is a side view of fig. 1.
Detailed Description
The invention will now be further illustrated by reference to the following examples, which are intended to be illustrative, not limiting, and are not intended to limit the scope of the invention.
The invention discloses a herringbone baffle group provided with a frame supporting beam, which comprises a plurality of herringbone baffles 6, and is characterized in that the herringbone baffles are arranged in a plurality of corresponding modules, each module is built by a main beam 1, a web member 2 and a pull beam 3 to form a cube truss, the modules are symmetrically arranged left and right, the axial length of the main beam of the module positioned in the middle is longest, the axial length of the main beam positioned at the side is successively shortened, the lengths of the main beams positioned at the two sides are shortest, the herringbone baffles are arranged in the modules along the horizontal direction, and the horizontal heights of the herringbone baffles in the adjacent modules are staggered.
In this embodiment, every the module all include four girders, many web members and many draw beams, four girders parallel interval distribution form the long to the four sides of cube truss, upper and lower adjacent girder adopts web members integrative fixedly, control adjacent girder and adopts draw beam integrative fixedly, a plurality of modules are put up along horizontal and vertical integrative in order, adjacent module adopts same girder to form the limit structure altogether.
In the embodiment, the horizontal positions of the pull beams in the left and right adjacent modules are arranged in a vertically staggered mode, the geometric axis of the pull beam and the geometric axis of the main beam are converged at one point, and a liquid baffle is arranged between the adjacent main beams without the pull beams.
In this embodiment, the middle part bottom surface of herringbone baffle is carried in the upper end of an inclined plane girder 7, and every inclined plane girder all is parallel with the girder in the module each other, girder axial front end and rear end all movable mounting have connecting plate 8, and the opposite side tip and the tower wall welded fastening of these two connecting plates.
In this embodiment, the inclined plane girder may be made of various steels such as flat steel, T-steel, i-steel, angle steel, channel steel, etc.
In this embodiment, the both ends of herringbone baffle all buckle downwards and form baffle self roof beam, and this baffle self roof beam is fixed with the side joint version that oblique pull beam adorned admittedly, a baffle connecting plate is all installed to the front end and the rear end of baffle self roof beam, and the tip of this baffle connecting plate is stretched out by the orthographic projection position of baffle self roof beam.
In this embodiment, the lower end of the baffle body beam of the chevron baffle is made into a saw-tooth shape or other continuously protruding sharp portion.
In this embodiment, the plurality of pull beams in the module group may be arranged in parallel or in an included angle, and the included angle between each pull beam and the main beam is 20-170 °.
In this embodiment, the main beams located on the bottom layer and the secondary bottom layer are connected by adopting web members, the included angle between each web member and each main beam is 20-150 degrees, the web members are two in one group, and the junction point of the geometric axes of the two web members in the same group is converged with the geometric axis of the main beam.
In this embodiment, two side end portions of the main beam located at the bottom layer are integrally fixed with a pad 4 in the bottom surface, and each pad is internally provided with a plurality of oblong holes along the axis direction of the parallel main beam.
In this embodiment, a rib plate 5 is welded integrally between the side end face of the main beam and the upper end face of the backing plate at the bottom layer.
In this embodiment, the main beam, the tension beam and the web member may be made of various steels, such as square tubes, T-section steel, i-section steel, angle steel, channel steel, etc. The steel material with proper size and shape can be selected according to the actual installation environment and space.
The application process of the invention is as follows:
When the invention is used, proper steel materials, sizes and the number of modules are selected according to the internal environment and the sizes of the towers to be installed, and then the integrated construction and the welding fixation are carried out. After the whole frame is installed, the installation can be completed after the whole frame is fixed with a tower wall support in the tower through bolts by a backing plate installed on the bottom girder. Finally, the herringbone baffle plates which need to be fixed are arranged at proper positions in the frame layer by layer for use.
According to the invention, the hollow structure is adopted instead of the section profile used in the prior art, the waste of materials is effectively avoided on the premise that the structural strength is ensured, the size and thickness of the support beam and the herringbone baffle plate are greatly reduced, the rationality and economy of the structure on material utilization are further improved, and the production cost is saved. For example, a traditional steel beam and a frame support beam are adopted for a herringbone baffle in the column diameter of the rectifying column DN11500, and the two beams are respectively subjected to strength calculation through ANSYS finite element software.
The hollow belly system structure of the invention is beneficial to the gas flow in the girder framework, ensures that the phenomena of bias flow, stagnation and dry plate do not occur on the liquid on the large-tower-diameter herringbone baffle, and simultaneously ensures the uniform distribution of the gas under the herringbone baffle, thereby further ensuring the maximum mass transfer efficiency of the herringbone baffle.
According to the invention, the girder, the web members and the pull beams are connected in a certain mode to form a large frame support beam, and the beam has the advantages of simple structure, good permeability, good support strength, strong bending resistance and high stability, and can ensure the strength and rigidity of the herringbone baffle under the impact of atmospheric velocity and high-heat gas phase load.
While the present invention has been described by way of example with respect to a chevron baffle group with a large frame support beam, it will be apparent to those skilled in the relevant art that modifications and appropriate changes and combinations of the structures and apparatus described herein can be made to practice the present technology without departing from the spirit, scope, or spirit of the invention. It is expressly intended that all such similar substitutes and modifications apparent to those skilled in the art are deemed to be included within the spirit, scope and content of the invention.
Claims (5)
1. The utility model provides an install a frame supporting beam's herringbone baffle group, includes the strutting arrangement of mountable polylith herringbone baffle, its characterized in that: the plurality of herringbone baffles are arranged in the plurality of corresponding modules, each module is built by a main beam, a web member and a pull beam to form a cube truss, the plurality of modules are arranged in bilateral symmetry, the axial length of the main beam of the module at the middle part is longest, the axial length of the main beam at the side is successively shortened, the length of the main beam at the two sides is shortest, the herringbone baffles are arranged in the modules along the horizontal direction, and the horizontal heights of the herringbone baffles in the adjacent modules are staggered;
Each module comprises four main beams, a plurality of web members and a plurality of pull beams, the four main beams are distributed at intervals in parallel to form the long direction four sides of the cube truss, the upper and lower adjacent main beams are integrally fixed by the web members, the left and right adjacent main beams are integrally fixed by the pull beams, a plurality of modules are integrally built in sequence along the transverse direction and the longitudinal direction, and the adjacent modules adopt the same main beam to form a common-edge structure;
The main beams positioned on the bottom layer and the secondary bottom layer are connected by adopting web members, the included angle between the web members and the main beams is 20-150 degrees, a plurality of web members are arranged in a group, and the junction point of the geometric axes of the two web members in the same group is converged with the geometric axes of the main beams.
2. A gable set with a frame support beam as defined in claim 1, wherein: the horizontal positions of the pull beams in the left and right adjacent modules are arranged in a vertically staggered mode, the geometric axes of the pull beams and the geometric axes of the main beams are converged at one point, and a liquid baffle is arranged between the adjacent main beams without the pull beams.
3. A gable set with a frame support beam as defined in claim 2, wherein: the middle bottom surface of the herringbone baffle is carried at the upper end of an inclined plane girder, each inclined plane girder is parallel to the girders in the module, a connecting plate is movably mounted at the front end and the rear end of the inclined plane girder in the axial direction, and the end part of the other side of the connecting plate is fixedly welded with the tower wall.
4. A gable set with a frame support beam as defined in claim 1, wherein: two side ends of the main beam positioned at the bottom layer are respectively and integrally fixed with a base plate in the bottom surface, and a plurality of oblong holes are formed in each base plate along the direction parallel to the axis of the main beam.
5. A gable set with a frame support beam as defined in claim 4, wherein: and a rib plate is integrally welded between the side end face of the main beam and the upper end face of the backing plate at the bottom layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011169188.4A CN112221183B (en) | 2020-10-28 | 2020-10-28 | Herringbone baffle plate group provided with frame supporting beam |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011169188.4A CN112221183B (en) | 2020-10-28 | 2020-10-28 | Herringbone baffle plate group provided with frame supporting beam |
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| Publication Number | Publication Date |
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| CN112221183A CN112221183A (en) | 2021-01-15 |
| CN112221183B true CN112221183B (en) | 2024-09-06 |
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN214232816U (en) * | 2020-10-28 | 2021-09-21 | 北洋国家精馏技术工程发展有限公司 | Herringbone baffle group provided with frame supporting beam |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2108421B1 (en) * | 2008-04-11 | 2018-01-24 | Sulzer Chemtech AG | Multiple downcomer tray |
| RU2369424C1 (en) * | 2008-05-05 | 2009-10-10 | Александр Спиридонович Смертин | Mass transfer contact device |
| CN101549213B (en) * | 2009-04-24 | 2011-08-17 | 天津大学 | Y-shaped baffle with opening and in-tower arranging mode thereof |
| CN101806161B (en) * | 2010-03-31 | 2013-11-13 | 天津天大天久科技股份有限公司 | Space net rack supporting device in large-scale tower |
| CN202073303U (en) * | 2011-05-04 | 2011-12-14 | 河南五建第二建筑安装有限公司 | Overhanging type main beam of unloading platform |
| CN102251666B (en) * | 2011-05-04 | 2012-10-10 | 河南五建第二建筑安装有限公司 | Overhanging type discharging platform |
| CN204684699U (en) * | 2015-02-05 | 2015-10-07 | 苏州市科迪石化工程有限公司 | For hump formula girder truss and the combination thereof of plate column |
| CN105604242A (en) * | 2015-12-24 | 2016-05-25 | 天津大学 | Truss supporting beam for plate tower |
| CN105536667B (en) * | 2015-12-24 | 2018-03-09 | 天津大学 | Chevron shaped pull bar combines hanging beam |
| CN205336215U (en) * | 2016-01-12 | 2016-06-22 | 湖南科技大学 | Multisection section trussed girder of dish formula spotlight ware rack |
| CN108643121A (en) * | 2018-06-09 | 2018-10-12 | 中交航局第工程有限公司 | A kind of frame-type construction bracket and its building technology |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN214232816U (en) * | 2020-10-28 | 2021-09-21 | 北洋国家精馏技术工程发展有限公司 | Herringbone baffle group provided with frame supporting beam |
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| CN112221183A (en) | 2021-01-15 |
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