CN111408256B - Geometrically symmetrical flue gas outlet device of absorption tower - Google Patents
Geometrically symmetrical flue gas outlet device of absorption tower Download PDFInfo
- Publication number
- CN111408256B CN111408256B CN202010291767.XA CN202010291767A CN111408256B CN 111408256 B CN111408256 B CN 111408256B CN 202010291767 A CN202010291767 A CN 202010291767A CN 111408256 B CN111408256 B CN 111408256B
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- limiting plate
- circular
- absorption tower
- flue gas
- disc
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- 238000010521 absorption reaction Methods 0.000 title claims abstract description 46
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract description 36
- 239000003546 flue gas Substances 0.000 title claims abstract description 36
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 38
- 239000006096 absorbing agent Substances 0.000 claims description 11
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 9
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 9
- 241001330002 Bambuseae Species 0.000 claims description 9
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 9
- 239000011425 bamboo Substances 0.000 claims description 9
- 229910000831 Steel Inorganic materials 0.000 claims description 7
- 239000010959 steel Substances 0.000 claims description 7
- 238000012423 maintenance Methods 0.000 abstract description 15
- 239000000779 smoke Substances 0.000 abstract description 11
- 238000005260 corrosion Methods 0.000 abstract description 5
- 230000007797 corrosion Effects 0.000 abstract description 5
- 238000001514 detection method Methods 0.000 abstract description 3
- 238000004064 recycling Methods 0.000 abstract description 2
- 238000009434 installation Methods 0.000 description 6
- 238000012545 processing Methods 0.000 description 6
- 230000002457 bidirectional effect Effects 0.000 description 5
- 239000000956 alloy Substances 0.000 description 4
- 229910045601 alloy Inorganic materials 0.000 description 4
- 238000006477 desulfuration reaction Methods 0.000 description 3
- 230000023556 desulfurization Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000012466 permeate Substances 0.000 description 3
- 238000007789 sealing Methods 0.000 description 2
- 235000019738 Limestone Nutrition 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000010440 gypsum Substances 0.000 description 1
- 229910052602 gypsum Inorganic materials 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 239000006028 limestone Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002699 waste material Substances 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
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/80—Semi-solid phase processes, i.e. by using slurries
-
- 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
-
- 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
-
- 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
Abstract
The invention provides a novel geometrically symmetric absorption tower flue gas outlet device which comprises a trapezoid corner cylinder, a disc and a circular absorption tower wall plate, wherein the disc is fixedly arranged between the trapezoid corner cylinder and the circular absorption tower wall plate, a circular short-circuit cylinder is fixedly arranged on the outer surface of one side of the trapezoid corner cylinder, a circular flange is fixedly connected with the outer surface of one side of the circular short-circuit cylinder, an access hole is formed in the outer surface of the upper end of the trapezoid corner cylinder, a triangular access platform is movably connected with the inner part of the access hole, the triangular access platform consists of a first limiting plate, a second limiting plate and a third limiting plate, and the second limiting plate is movably arranged between the first limiting plate and the third limiting plate. The device can lead the smoke to flow uniformly, quicken the smoke discharge speed, prevent the rainwater from seeping, increase the detection space, facilitate maintenance, reduce the corrosion of the rainwater and facilitate the recycling of the rainwater.
Description
Technical Field
The invention relates to the technical field of absorption tower flue gas outlet devices, in particular to a novel geometrically symmetrical absorption tower flue gas outlet device.
Background
When flue gas desulfurization equipment of a thermal power plant is selected at home and abroad at present, a limestone and gypsum forced oxidation system becomes a preferential wet flue gas desulfurization process, and the critical equipment is a desulfurization absorption tower, so that the flue gas outlet device of the absorption tower is of a plurality of types and is widely used.
In the process of implementing the present invention, the inventor finds that at least the following problems in the prior art are not solved: 1. when a general absorption tower is used, smoke floats in the absorption tower, the inside of the absorption tower is airtight, the smoke cannot flow uniformly, and the smoke discharge speed is slowed down; 2. when the absorption tower is used, regular maintenance can be carried out, a common access hole can directly cover a top cover, the planar top cover is corroded and infiltrated by long-term rainwater, rainwater is easy to enter the tower, the access hole is generally positioned at the top of the tower, the space of a detection table is limited, and a carrying tool is inconvenient, so that the maintenance is inconvenient; 3. gaps are connected among the absorption towers, rainwater is scattered, and is accumulated on the table top, so that corrosion of the device and waste of water resources are easily caused.
Therefore, a novel geometrically symmetrical absorption tower flue gas outlet device is provided.
Disclosure of Invention
The first object of the present invention is to provide a novel geometrically symmetric flue gas outlet device for an absorber, which can make flue gas flow uniformly, accelerate the flue gas discharge speed, prevent the infiltration of rainwater, increase the detection space, facilitate maintenance, reduce the corrosion of rainwater, and facilitate the recycling of rainwater, so as to solve the problems in the prior art.
The invention provides a novel geometrically symmetric absorption tower flue gas outlet device, which comprises a trapezoid corner barrel, a disc and a circular absorption tower wallboard, wherein the disc is fixedly arranged between the trapezoid corner barrel and the circular absorption tower wallboard, a circular short-circuit barrel is fixedly arranged on the outer surface of one side of the trapezoid corner barrel, a circular flange is fixedly connected with the outer surface of one side of the circular short-circuit barrel, an access hole is formed in the outer surface of the upper end of the trapezoid corner barrel, a triangular access platform is movably connected to the inside of the access hole, the triangular access platform consists of a first limiting plate, a second limiting plate and a third limiting plate, the second limiting plate is movably arranged between the first limiting plate and the third limiting plate, a hinge is movably connected between the second limiting plate and the first limiting plate and the third limiting plate, circular holes are formed in the positions of the outer surfaces of one side of the first limiting plate and the third limiting plate, two circular bolts are fixedly connected to the inner parts of the circular holes, a circular ring is fixedly arranged on the outer surface of the lower end of the second limiting plate, the lower end of the circular ring is fixedly connected to the inner part of the circular ring groove, the lower end of the circular ring penetrates through the inner part of the access hole, the inner ring groove is formed in the position of the inner side of the ring groove is formed in the position of the ring groove is close to the inner part of the ring groove, and the inner side of the ring groove is fixedly connected to the inner side of the water outlet pipe.
The trapezoid corner barrel (the truncated regular pyramid body) of the structure is formed by splicing regular steel plates, alloy coiled plates are not needed to be processed, blanking processing and installation are facilitated, and the symmetrical geometric structure of the trapezoid corner barrel is used for enabling smoke in the absorption tower to flow more uniformly, so that smoke is discharged out of the disc, in addition, workers can regularly overhaul the inside of the absorption tower, during overhaul, unscrew bidirectional bolts, put down the first limiting plate and the third limiting plate, the workers can put maintenance tools on the outer surfaces of the upper ends of the first limiting plate and the third limiting plate, pull out the circular top plug from the inside of the circular ring, the workers enter the tower to carry out maintenance, the triangular overhaul stand is triangular, the mechanism not only reduces accumulated water at the top to permeate into the tower, but also is convenient for maintenance and operation of the workers, rainwater slides down along the downward sliding of the trapezoid corner barrel to the annular groove inside the disc, water entering the annular groove is reserved to the inner sloping swash plate of the lower end of the disc through four downpipes connected to the inside the annular groove, the inner sloping-shaped swash plate is connected with the outer water outlet pipe, rainwater in the inner side of the annular groove is obliquely arranged to the water outlet pipe, and the outer surface of the annular groove is connected with the outer tank, and the rainwater can be prevented from being corroded by the rainwater accumulating on the outer surface of the absorption tower.
Preferably, the trapezoid corner cylinder is formed by splicing a plurality of regular steel plates, and the trapezoid corner cylinder is in a truncated square pyramid type.
Through adopting above-mentioned technical scheme, this structure adopts the rule board, makes things convenient for unloading processing and installation.
Preferably, the included angle alpha between the trapezoid corner cylinder and the horizontal is 15 degrees or more and 75 degrees or less.
By adopting the technical scheme, the included angles of the trapezoid corner barrels and the horizontal are the same, the trapezoid corner barrels are geometrically symmetrical, and the smoke flow in the absorption tower is more uniform, so that the smoke discharge is accelerated.
Preferably, the outer diameter of the disc is larger than the diameter of the circular absorber wall plate, and the inner diameter of the disc is smaller than the diameter of the absorber wall plate.
Through adopting above-mentioned technical scheme, trapezoidal corner section of thick bamboo bottom is located between disc external diameter and internal diameter to guarantee that the flue gas is not revealed in the absorption tower.
Preferably, the number of the downcomers is four, the lengths of the front downcomer and the rear downcomer are the same, the length of one side of the downcomer is smaller than that of the front downcomer and the rear downcomer, and the length of the other side of the downcomer is larger than that of the front downcomer and the rear downcomer.
By adopting the technical scheme, the lengths of the four sewer pipes correspond to the inclination angle of the swash plate, so that water can flow into the swash plate conveniently.
Preferably, the four downcomers penetrate into the swash plate, respectively.
By adopting the technical scheme, accumulated water in the disc is introduced into the swash plate from the sewer pipe, so that the flow of rainwater can be accelerated.
Preferably, the swash plate is inclined, and the water outlet pipe is fixedly arranged at a position, close to the lower end, of the outer surface of one side of the swash plate.
By adopting the technical scheme, rainwater is reserved in the annular groove in the swash plate, the rainwater is reserved to the water outlet pipe along the slope, and then the rainwater flows to the outside through the water outlet pipe.
Preferably, the diameter of the circular ring is matched with the inner diameter of the access hole, and the inner diameter of the circular ring is matched with the diameter of the outer surface of the circular top plug, which is close to the lower end.
Through adopting above-mentioned technical scheme, with the ring stopper of triangle access panel lower extreme in the access hole, with the inside of circular top stopper income ring again, the access hole is sealing state, and this structure is convenient for not only the prescribing a limit to the triangle access panel, and improves the leakproofness of access hole.
Compared with the prior art, the invention has the beneficial effects that:
1. The flue gas generated by incineration enters the inner part of the circular absorption tower wallboard, the flue gas rises to the inner part of the trapezoid corner barrel, the flue gas flows uniformly in the inner part and finally enters an external flue through the circular short-circuit barrel to be connected, the trapezoid corner barrel (truncated square pyramid type) of the structure is formed by splicing regular steel plates, the alloy coiled plate is not needed to be processed, the blanking processing and the installation are convenient, and the symmetrical geometric structure ensures that the flue gas flow in the absorption tower is more uniform, so that the discharge of the flue gas is accelerated;
2. in addition, when the staff can regularly overhaul the inside of the absorption tower, the bidirectional bolts are unscrewed, the first limiting plate and the third limiting plate are put down, the staff can put a maintenance tool on the outer surfaces of the upper ends of the first limiting plate and the third limiting plate, then the round top plug is pulled out of the inside of the circular ring, the staff enters the tower for maintenance, and the triangular overhaul stand is triangular, so that the accumulated water at the top of the mechanism is reduced from penetrating into the tower, the overhaul space is increased, and the overhaul and operation of the staff are facilitated;
3. Rainwater falls down along the downward sliding of trapezoidal corner section of thick bamboo, in the annular of landing to disc inside, the inside water of entering annular rethread four downcomer that are connected in its inside is stayed to the inside of the sloping cam plate of disc lower extreme, and the sloping cam plate is the slope form, and the rainwater of its inside is inclined down to the outlet pipe, and the outlet pipe is connected with outside header tank, and this structure can prevent that the rainwater from accumulating at the surface of absorption tower, reduces the corruption of rainwater to the tower face, and the rainwater of accumulation is available in addition, and is comparatively environmental protection.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present invention, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a plan view of a front structure of the present invention;
FIG. 3 is a plan view of the top structure of the present invention;
FIG. 4 is a plan view of a side structure of the present invention;
FIG. 5 is a view of the combination of the triangular service stand and circular top plug of the present invention;
Fig. 6 is a structural view of the triangular detecting table of the present invention.
Reference numerals illustrate:
1. A trapezoidal corner cylinder; 2. a disc; 3. a circular absorber wall plate; 4. a circular short-circuit barrel; 5. a circular flange; 6. an access opening; 7. triangular overhauling table; 71. a first limiting plate; 72. a second limiting plate; 73. a third limiting plate; 74. a hinge; 75. a round hole; 8. a circular ring; 81. a circular top plug; 9. a ring groove; 91. water seepage holes; 92. a water supply pipe; 10. a swash plate; 11. a water outlet pipe;
Detailed Description
The technical solutions of the present invention will be clearly and completely described in connection with the embodiments, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more of the described features. In the description of the present invention, the meaning of "a plurality" is two or more, unless explicitly defined otherwise. Furthermore, the terms "mounted," "connected," "coupled," 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; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
Referring to fig. 1 to 6, the present invention provides a technical solution:
The novel geometrically symmetric flue gas outlet device of the absorption tower comprises a trapezoid corner barrel 1, a disc 2 and a circular absorption tower wall plate 3, wherein the disc 2 is fixedly arranged between the trapezoid corner barrel 1 and the circular absorption tower wall plate 3, a circular short-circuit barrel 4 is fixedly arranged on the outer surface of one side of the trapezoid corner barrel 1, a circular flange 5 is fixedly connected with the outer surface of one side of the circular short-circuit barrel 4, an access hole 6 is formed on the outer surface of the upper end of the trapezoid corner barrel 1, a triangular access table 7 is movably connected in the access hole 6, the triangular access table 7 consists of a first limiting plate 71, a second limiting plate 72 and a third limiting plate 73, the second limiting plate 72 is movably arranged between the first limiting plate 71 and the third limiting plate 73, a hinge 74 is movably connected between the second limiting plate 72 and the first limiting plate 71 and the third limiting plate 73 respectively, round holes 75 are formed in the positions, close to the upper ends, of the outer surfaces of one sides of the first limiting plate 71 and the third limiting plate 73, two bidirectional bolts penetrate through the inside of the round holes 75, a circular ring 8 is fixedly arranged in the position, close to the middle, of the outer surface of the lower end of the second limiting plate 72, the lower end part of the circular ring 8 penetrates through the inside of the access hole 6, and a circular top plug 81 is clamped in the position, close to the upper ends, of the inside of the circular ring 8;
As shown in fig. 1 and 3, the outer surface of the upper end of the disc 2 is provided with a ring groove 9 near the outer ring, the inner part of the ring groove 9 near the front end, the rear end and the two sides is provided with water seepage holes 91, the inner part of the water seepage holes 91 is fixedly connected with a sewer pipe 92, the outer surface of the circular absorption tower wallboard 3 is fixedly provided with a sloping cam plate 10 near the middle, the outer surface of the upper end of the sloping cam plate 10 near the outer ring is also provided with a ring groove 9, and the inner part of the ring groove 9 near one side is fixedly connected with a water outlet pipe 11;
As shown in fig. 1 and 2, the trapezoid corner cylinder 1 is formed by splicing a plurality of regular steel plates, and the trapezoid corner cylinder 1 is in a truncated regular pyramid shape.
Through adopting above-mentioned technical scheme, this structure adopts the rule board, makes things convenient for unloading processing and installation.
Specifically, as shown in fig. 2 and 4, the included angle alpha between the trapezoid corner cylinder 1 and the horizontal is 15 degrees or more and 75 degrees or less.
By adopting the technical scheme, the included angles between the trapezoid corner cylinder 1 and the horizontal are the same, the geometry is symmetrical, and the smoke flow in the absorption tower is more uniform, so that the smoke discharge is quickened.
Specifically, as shown in fig. 1 and 2, the outer diameter of the disc 2 is larger than the diameter of the circular absorber wall plate 3, and the inner diameter thereof is smaller than the diameter of the absorber wall plate.
Through adopting above-mentioned technical scheme, trapezoidal corner section of thick bamboo 1 bottom is located between disc 2 external diameter and internal diameter to guarantee that the flue gas is not revealed in the absorption tower.
Specifically, as shown in fig. 1, the number of downcomers 92 is four, the lengths of the front and rear downcomers 92 are the same, the length of one side of the downcomer 92 is smaller than the length of the front and rear downcomer 92, and the length of the other side of the downcomer 92 is larger than the length of the front and rear downcomer 92.
By adopting the above technical scheme, the lengths of the four downcomers 92 correspond to the inclination angle of the swash plate 10, so that water can be conveniently flowed into the swash plate 10.
Specifically, as shown in fig. 1, four drain pipes 92 penetrate into the swash plate 10.
By adopting the above technical scheme, the accumulated water in the disc 2 is introduced into the swash plate 10 from the sewer pipe 92, so that the flow of rainwater can be accelerated.
Specifically, as shown in fig. 1, the swash plate 10 is inclined, and the water outlet pipe 11 is fixedly installed at a position near the lower end of the outer surface of one side of the swash plate 10.
By adopting the technical scheme, rainwater is reserved in the annular groove 9 in the swash plate 10, is reserved to the water outlet pipe 11 along a slope, and flows to the outside from the water outlet pipe 11.
Specifically, as shown in fig. 1 and 5, the diameter of the ring 8 coincides with the inner diameter of the access opening 6, and the inner diameter of the ring 8 coincides with the diameter of the outer surface of the circular top plug 81 near the lower end.
Through adopting above-mentioned technical scheme, with the ring 8 of triangle access panel 7 lower extreme stopper in access port 6, with the inside of circular 8 is plugged into to circular top stopper 81 again, access port 6 is sealing state, and this structure is convenient for not only the prescribing limit of triangle access panel 7, and improves the leakproofness of access port 6.
Working principle: the flue gas generated by incineration enters the inner part of the circular absorption tower wall plate 3, the flue gas rises to the inner part of the trapezoid corner barrel 1, the flue gas flows uniformly in the inner part and finally enters an external flue through the circular short-circuit barrel 4 to be connected, the trapezoid corner barrel 1 (truncated pyramid type) of the structure is formed by splicing regular steel plates, the alloy coiled plates are not needed to be processed, the blanking processing and the installation are convenient, and the symmetrical geometric structure of the trapezoid corner barrel 1 ensures that the flue gas flow in the absorption tower is more uniform, thereby accelerating the discharge of the flue gas, in addition, a worker can regularly overhaul the inner part of the absorption tower, unscrew a bidirectional bolt, put down the first limiting plate 71 and the third limiting plate 73, and the worker can put a maintenance tool on the outer surfaces of the upper ends of the first limiting plate 71 and the third limiting plate 73, the circular top plug 81 is pulled out from the inside of the circular ring 8, workers enter the tower for maintenance, the triangular overhaul stand 7 is triangular, the mechanism not only reduces accumulated water at the top to permeate into the tower, but also is convenient for maintenance and operation of the workers, rainwater slides down along the trapezoid corner cylinder 1, slides down to the annular groove 9 in the disc 2, water entering the annular groove 9 is reserved in the swash plate 10 at the lower end of the disc 2 through four sewer pipes 92 connected with the inside of the annular groove, the swash plate 10 is inclined, rainwater in the swash plate is obliquely downwards connected to the water outlet pipe 11, the water outlet pipe 11 is connected with an external water collecting tank, the structure can prevent rainwater from accumulating on the outer surface of the absorption tower, corrosion of the rainwater to the tower surface is reduced, and in addition, accumulated rainwater can be utilized, so that the structure is environment-friendly.
The using method comprises the following steps: the flue gas generated by incineration enters the inner part of the circular absorption tower wall plate 3, the flue gas rises to the inner part of the trapezoid corner barrel 1, the flue gas flows uniformly in the inner part and finally enters an external flue through the circular short-circuit barrel 4 to be connected, the trapezoid corner barrel 1 (truncated pyramid type) of the structure is formed by splicing regular steel plates, the alloy coiled plates are not needed to be processed, the blanking processing and the installation are convenient, and the symmetrical geometric structure of the trapezoid corner barrel 1 ensures that the flue gas flow in the absorption tower is more uniform, thereby accelerating the discharge of the flue gas, in addition, a worker can regularly overhaul the inner part of the absorption tower, unscrew a bidirectional bolt, put down the first limiting plate 71 and the third limiting plate 73, and the worker can put a maintenance tool on the outer surfaces of the upper ends of the first limiting plate 71 and the third limiting plate 73, the circular top plug 81 is pulled out from the inside of the circular ring 8, workers enter the tower for maintenance, the triangular overhaul stand 7 is triangular, the mechanism not only reduces accumulated water at the top to permeate into the tower, but also is convenient for maintenance and operation of the workers, rainwater slides down along the trapezoid corner cylinder 1, slides down to the annular groove 9 in the disc 2, water entering the annular groove 9 is reserved in the swash plate 10 at the lower end of the disc 2 through four sewer pipes 92 connected with the inside of the annular groove, the swash plate 10 is inclined, rainwater in the swash plate is obliquely downwards connected to the water outlet pipe 11, the water outlet pipe 11 is connected with an external water collecting tank, the structure can prevent rainwater from accumulating on the outer surface of the absorption tower, corrosion of the rainwater to the tower surface is reduced, and in addition, accumulated rainwater can be utilized, so that the structure is environment-friendly.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and not for limiting the same; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the invention.
Claims (5)
1. The utility model provides a geometrically symmetric absorption tower flue gas outlet device, its characterized in that includes trapezoidal corner section of thick bamboo (1), disc (2) and circular absorption tower wallboard (3) constitution, and disc (2) fixed mounting is between trapezoidal corner section of thick bamboo (1) and circular absorption tower wallboard (3), the one side surface fixed mounting of trapezoidal corner section of thick bamboo (1) has circular short circuit section of thick bamboo (4), and the one side surface fixed connection of circular short circuit section of thick bamboo (4) has circular flange (5), access hole (6) have been seted up to the upper end surface of trapezoidal corner section of thick bamboo (1), and the inside swing joint of access hole (6) has triangle access platform (7), triangle access platform (7) are by first limiting plate (71), second limiting plate (72) and third limiting plate (73), and second limiting plate (72) movable mounting is between first limiting plate (71) and third limiting plate (73), second limiting plate (72) respectively with first limiting plate (71) and third limiting plate (73) between swing joint have hinge (74), two-way bolt 75) are seted up on two sides of the two-way round hole (75) are passed through in the interior surface of limiting plate (73), the lower end outer surface of the second limiting plate (72) is fixedly provided with a circular ring (8) at a position close to the middle, the lower end part of the circular ring (8) penetrates through the inside of the access hole (6), a circular top plug (81) is clamped at a position close to the upper end of the circular ring (8), an annular groove (9) is formed at a position close to the outer ring of the upper end outer surface of the disc (2), water seepage holes (91) are formed at positions close to the front end, the rear end and the two sides of the inner part of the annular groove (9), a sewer pipe (92) is fixedly connected to the inner part of the water seepage holes (91), a swash plate (10) is fixedly arranged at a position close to the middle of the outer surface of the circular absorber wallboard (3), annular grooves (9) are also formed at positions close to the outer ring at the upper end outer surface of the swash plate (10), and a water outlet pipe (11) is fixedly connected to the position close to one side of the inner part of the annular groove (9).
The trapezoid corner cylinder (1) is formed by splicing a plurality of regular steel plates, and the trapezoid corner cylinder (1) is in a truncated rectangular pyramid shape;
The bottom of the trapezoid corner cylinder is positioned between the outer diameter and the inner diameter of the disc;
The outer diameter of the disc (2) is larger than the diameter of the circular absorption tower wall plate (3), and the inner diameter of the disc is smaller than the diameter of the absorption tower wall plate;
The swash plate (10) is inclined, and the water outlet pipe (11) is fixedly arranged at a position, close to the lower end, of the outer surface of one side of the swash plate (10).
2. A geometrically symmetric flue gas outlet device for an absorber according to claim 1, wherein the included angle α between the trapezoid corner cylinder (1) and the horizontal is in the range of 15 ° or more and 75 ° or less.
3. The flue gas outlet device of a geometrically symmetric absorber tower according to claim 1, wherein the number of the downcomers (92) is four, the lengths of the front and rear downcomers (92) are the same, the length of one side of the downcomers (92) is smaller than the length of the front and rear downcomers (92), and the length of the other side of the downcomers (92) is larger than the length of the front and rear downcomers (92).
4. A geometrically symmetric absorber flue gas outlet device according to claim 1, wherein four of said downcomers (92) extend through the interior of the swashplate (10), respectively.
5. A geometrically symmetric flue gas outlet device of an absorber according to claim 1, wherein the diameter of the ring (8) coincides with the inner diameter of the access opening (6), and the inner diameter of the ring (8) coincides with the diameter of the outer surface of the circular top plug (81) near the lower end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010291767.XA CN111408256B (en) | 2020-04-14 | 2020-04-14 | Geometrically symmetrical flue gas outlet device of absorption tower |
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