CN209735211U - Waterfall wall type multi-stage absorption tower - Google Patents

Waterfall wall type multi-stage absorption tower Download PDF

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Publication number
CN209735211U
CN209735211U CN201920146436.XU CN201920146436U CN209735211U CN 209735211 U CN209735211 U CN 209735211U CN 201920146436 U CN201920146436 U CN 201920146436U CN 209735211 U CN209735211 U CN 209735211U
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China
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retaining ring
water retaining
flue gas
central drum
tower
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CN201920146436.XU
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刘彦章
解立龙
沈梅
李金华
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KUNMING ZHONGTIANDA GLASS FIBER REINFORCED PLASTIC DEVELOPMENT Co Ltd
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KUNMING ZHONGTIANDA GLASS FIBER REINFORCED PLASTIC DEVELOPMENT Co Ltd
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Abstract

The utility model discloses a waterfall wall type multistage absorption tower, wherein a plurality of layers of flue gas absorption units are arranged in a tower body from top to bottom, each layer of flue gas absorption unit comprises an ellipsoidal central drum, a water retaining ring and a water retaining ring blocking plate, the ellipsoidal central drum is fixed by a central drum supporting plate, the water retaining ring is arranged below the ellipsoidal central drum, and the outer edge of the outlet of the water retaining ring is connected with the inner wall of the tower body by the water retaining ring blocking plate; the lower part of the lowest layer of the smoke absorption unit is provided with a smoke inlet pipe and a waste liquid outlet, and the upper part of the uppermost layer of the smoke absorption unit is provided with an absorption liquid inlet pipe and a smoke outlet. Through setting up multilayer ellipsoidal central drum and manger plate ring in the tower for absorption liquid is from spraying to its surface uniform flow down behind the superiors' ellipsoidal central drum, and flow into on the ellipsoidal central drum of adjacent lower floor in order according to manger plate ring route, and absorption liquid in every layer of flue gas absorption unit all flows down like the waterfall, and the flue gas is passed cascade water curtain layer upon layer from bottom to top, thereby reaches efficient dust removal effect, and the practicality is extremely strong.

Description

waterfall wall type multi-stage absorption tower
Technical Field
The utility model relates to a smelt tail gas treatment field, especially relate to a waterfall wall type multistage absorption tower.
Background
In the smelting industry, the temperature of production tail gas is high, dust content is high, and an absorption tower is used for tail gas treatment in multiple ways.
At present, most of the existing absorption towers are empty towers or spray towers. The empty tower is absorbed by a detachable independent spraying layer, the internal coverage rate is low, and the absorption effect is poor. The spray tower is mainly used for spraying, branch pipes of the main pipe are distributed in the tower in a tree-like manner, but a supporting beam is required to be arranged, the number of internal components is large, smoke enters the tower and is easy to condense and scale in smoke, the supporting beam in the tower or the spray pipe after the smoke is cooled, the dust removal effect is poor, and the operation of the system is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a simple structure, good, the high multistage absorption tower of work efficiency of waterfall wall formula of dust removal effect.
In order to achieve the above object, the utility model provides a following scheme:
The utility model provides a waterfall wall type multistage absorption tower, which comprises a tower body, wherein a plurality of layers of flue gas absorption units are arranged in the tower body from top to bottom, each layer of flue gas absorption unit comprises an ellipsoidal central drum, a water retaining ring and a water retaining ring blocking plate, the ellipsoidal central drum is fixed with the inner wall of the tower body through a central drum supporting plate, the water retaining ring is arranged below the ellipsoidal central drum, and the inlet diameter of the water retaining ring is not less than the major axis diameter of the ellipsoidal central drum; the outer edge of the outlet of the water retaining ring is connected with the inner wall of the tower body through the water retaining ring blocking plate; the lower floor the below of flue gas absorption unit is provided with the flue gas and advances the pipe, the top of tower body is provided with the exhanst gas outlet, the superiors the top of flue gas absorption unit is provided with the absorption liquid and advances the pipe, the bottom of tower body is provided with the waste liquid export.
Optionally, the diameter of the major axis of the ellipsoidal central drum is 2/3 of the inner diameter of the tower body.
Optionally, the water retaining ring is a conical water retaining ring, a large head end of the conical water retaining ring is installed upwards, and the diameter of an opening at a small head end of the conical water retaining ring is equal to the diameter of the long axis of the ellipsoidal central drum.
Optionally, the flue gas inlet pipe is obliquely arranged on the outer wall of the tower body, and an inlet of the flue gas inlet pipe is higher than an outlet of the flue gas inlet pipe.
Optionally, an outlet of the absorption liquid inlet pipe is provided with a bell mouth, and a large end of the bell mouth faces downwards.
Optionally, the central axis of the bell mouth coincides with the axis of the tower body.
Optionally, the flue gas absorption unit is provided with 5-10 layers.
Optionally, the vertical axis of the ellipsoidal central drum and the axis of the water retaining ring in each layer of the flue gas absorption unit are both coincident with the axis of the tower body.
Optionally, a plurality of the waterfall wall type multistage absorption towers can be connected in series for use at the same time.
The utility model discloses for prior art gain following technological effect:
The utility model discloses a waterfall wall type multistage absorption tower combines and has optimized the advantage of empty tower and spray column, through setting up multilayer ellipsoid shape central drum and manger plate ring in the tower, make the absorption liquid flow down along its surface is even after spraying to the superiors' ellipsoidal shape central drum, and flow into on the ellipsoidal shape central drum of adjacent lower floor according to manger plate ring route in order, under ellipsoidal shape central drum and manger plate ring sum effect, the absorption liquid in every layer of flue gas absorption unit all flows down like the waterfall, the flue gas passes cascade water curtain from bottom to top, thereby reach efficient dust removal effect; and this waterfall wall formula multistage absorption tower simple structure, the internals is few, and the smooth surface of ellipsoid shape central drum and the smooth internal surface of manger plate ring all can effectively avoid the flue gas to advance the tower and meet the scale deposit that condenses after the cold, have improved work efficiency height, and the practicality is extremely strong.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.
FIG. 1 is a schematic structural view of a waterfall wall type multistage absorption tower of the present invention;
Wherein the reference numerals are: 1. a tower body; 2. an ellipsoidal central drum; 3. a water retaining ring; 4. a water retaining ring blocking plate; 5. a flue gas inlet pipe; 6. a flue gas outlet; 7. an absorption liquid inlet pipe; 8. a waste liquid outlet; 9. a central drum support plate; 10. a bell mouth.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The utility model aims at providing a simple structure, good, the high multistage absorption tower of work efficiency of waterfall wall formula of dust removal effect.
Based on the structure, the utility model provides a waterfall wall type multistage absorption tower, which comprises a tower body, wherein a plurality of layers of flue gas absorption units are arranged in the tower body from top to bottom, each layer of flue gas absorption unit comprises an ellipsoidal central drum, a water retaining ring and a water retaining ring blocking plate, the ellipsoidal central drum is fixed with the inner wall of the tower body through a central drum supporting plate, the water retaining ring is arranged below the ellipsoidal central drum, and the inlet diameter of the water retaining ring is not less than the major axis diameter of the ellipsoidal central drum; the outer edge of the outlet of the water retaining ring is connected with the inner wall of the tower body through a water retaining ring blocking plate; the lower part of the lowest layer of flue gas absorption unit is provided with a flue gas inlet pipe, the top end of the tower body is provided with a flue gas outlet, the upper part of the uppermost layer of flue gas absorption unit is provided with an absorption liquid inlet pipe, and the bottom end of the tower body is provided with a waste liquid outlet.
The utility model discloses a waterfall wall type multistage absorption tower combines and has optimized the advantage of empty tower and spray column, through setting up multilayer ellipsoid shape central drum and manger plate ring in the tower, make the absorption liquid flow down along its surface is even after spraying to the superiors' ellipsoidal shape central drum, and flow into on the ellipsoidal shape central drum of adjacent lower floor according to manger plate ring route in order, under ellipsoidal shape central drum and manger plate ring sum effect, the absorption liquid in every layer of flue gas absorption unit all flows down like the waterfall, the flue gas passes cascade water curtain from bottom to top, thereby reach efficient dust removal effect; and this waterfall wall formula multistage absorption tower simple structure, the internals is few, and the smooth surface of ellipsoid shape central drum and the smooth internal surface of manger plate ring all can effectively avoid the flue gas to advance the tower and meet the scale deposit that condenses after the cold, have improved work efficiency height, and the practicality is extremely strong.
In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description.
The first embodiment is as follows:
As shown in fig. 1, the embodiment provides a waterfall wall type multistage absorption tower, which comprises a tower body 1, wherein a plurality of layers of flue gas absorption units are arranged in the tower body 1 from top to bottom, each layer of flue gas absorption unit comprises an ellipsoidal central drum 2, a water retaining ring 3 and a water retaining ring blocking plate 4, the ellipsoidal central drum 2 is fixedly connected with the inner wall of the tower body 1 through a central drum supporting plate 9, the water retaining ring 3 is arranged below the ellipsoidal central drum 2, and the diameter of an inlet at the upper end of the water retaining ring 3 is not less than the diameter of the long axis of the ellipsoidal central drum 2; the outer edge of the outlet at the lower end of the water retaining ring 3 is fixedly connected with the inner wall of the tower body 1 through a water retaining ring blocking plate 4; as shown in fig. 1, a flue gas inlet pipe 5 is arranged below the lowest flue gas absorption unit, a corresponding flue gas outlet 6 is arranged at the top end of the tower body 1, an absorption liquid inlet pipe 7 is arranged above the uppermost flue gas absorption unit, a waste liquid outlet 8 is arranged at the bottom end of the tower body 1, the flue gas passes through the layer-by-layer water curtain from bottom to top and is discharged from the top flue gas outlet 6, and the absorption liquid after dust washing is discharged from the waste liquid outlet 8 at the bottom of the tower.
In this embodiment, as shown in fig. 1, the diameter of the major axis of the preferably ellipsoidal central drum 2 is 2/3 of the inner diameter of the tower 1. Wherein, the middle of the ellipsoidal central drum 2 is high and the periphery is low, the surface is smooth and flat, and scaling can be avoided; meanwhile, the distance from the horizontal center line of the ellipsoidal central drum 2 in each layer of the flue gas absorption unit to the lower end face of the water retaining ring 3 is preferably 1000mm, so that the absorbed liquid can be conveniently and completely and uniformly dispersed when flowing to the lower end face of the water retaining ring 3, and a waterfall wall is formed.
Further, as shown in fig. 1, the water retaining ring 3 is preferably a conical water retaining ring, the large head end of the conical water retaining ring is installed upwards, and the opening diameter of the small head end of the conical water retaining ring is preferably equal to the diameter of the long shaft of the ellipsoidal central drum 2, which is 2/3 of the inner diameter of the tower body; the large end of the conical water retaining ring is preferably directly connected with the inner wall of the tower body 1, i.e. the diameter of the large end of the conical water retaining ring is preferably the same as the diameter of the inner wall of the tower body 1. Meanwhile, the inner wall of the water retaining ring 3 is smooth and flat, and absorption liquid flows down through the ellipsoidal central drum 2 above the water retaining ring 3 and forms a water curtain inside the water retaining ring 3 after being refracted by the inner wall of the tower body 1. The gap between the outer edge of the lower end outlet of the water retaining ring 3 and the inner wall of the tower body 1 is sealed by a water retaining ring blocking plate 4, so that the flue gas can only upwards contact with the absorption liquid completely along the inner conical channel of the water retaining ring 3, and the dust removal and absorption effects of the flue gas are improved.
Further, as shown in fig. 1, the flue gas inlet pipe 5 is obliquely arranged on the outer wall of the tower body 1, the inlet of the flue gas inlet pipe 5 is higher than the outlet of the flue gas inlet pipe, preferably, the inclination angle between the flue gas inlet pipe 5 and the horizontal plane is 15 °, which is beneficial to enabling the absorption liquid to float into the pipe orifice of the flue gas inlet pipe 5 without gathering and flow into the tower body 1 again, and can effectively prevent the absorption liquid from overflowing out of the flue gas inlet pipe 5.
Further, as shown in fig. 1, the outlet of the absorption liquid inlet pipe 7 is preferably set to be a bell mouth 10, and the large end of the bell mouth 10 faces downward, which is beneficial to increase the spraying area of the absorption liquid sprayed to the top of the ellipsoidal central drum 2 and reduce the impact on the top of the ellipsoidal central drum 2, and in this embodiment, the distance between the bottom of the bell mouth 10 and the top of the ellipsoidal central drum 2 at the uppermost layer is preferably 250mm, which is beneficial to providing the pressure of the absorption liquid spreading from the top to the periphery.
Further, as shown in fig. 1, the present embodiment preferably has the central axis of the bell mouth 10 coinciding with the axis of the tower 1. The vertical axis of the ellipsoidal central drum 2 and the axis of the water retaining ring 3 in each layer of flue gas absorption unit preferably coincide with the axis of the tower body 1.
Further, as shown in fig. 1, the flue gas absorption unit is provided with 5-10 layers, and the present embodiment is preferably provided with 7 layers.
Further, a plurality of waterfall wall type multistage absorption towers of the embodiment can be used simultaneously, and preferably, a plurality of waterfall wall type multistage absorption towers are connected in series for use.
Therefore, the utility model discloses a waterfall wall type multistage absorption tower combines and has optimized the advantage of empty tower and spray column, through setting up multilayer ellipsoidal central drum and manger plate ring in the tower, make the absorption liquid flow down along its surface after spraying to the ellipsoidal central drum of the superiors evenly, and flow into on the ellipsoidal central drum of adjacent lower floor according to manger plate ring route in order, under ellipsoidal central drum and manger plate ring sum effect, the absorption liquid in each layer of flue gas absorption unit all flows down like the waterfall, the flue gas passes cascade layer upon layer from bottom to top, thereby reach efficient dust removal effect; and this waterfall wall formula multistage absorption tower simple structure, the internals is few, and the smooth surface of ellipsoid shape central drum and the smooth internal surface of manger plate ring all can effectively avoid the flue gas to advance the tower and meet the scale deposit that condenses after the cold, have improved work efficiency height, and the practicality is extremely strong.
It should be noted that, as is obvious to a person skilled in the art, the invention is not limited to details of the above-described exemplary embodiments, but can be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.
the utility model discloses a concrete example is applied to explain the principle and the implementation mode of the utility model, and the explanation of the above example is only used to help understand the method and the core idea of the utility model; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the concrete implementation and the application scope. In summary, the content of the present specification should not be construed as a limitation of the present invention.

Claims (9)

1. the utility model provides a waterfall wall formula multistage absorption tower which characterized in that: the tower comprises a tower body, wherein a plurality of layers of flue gas absorption units are arranged in the tower body from top to bottom, each layer of flue gas absorption unit comprises an ellipsoidal central drum, a water retaining ring and a water retaining ring blocking plate, the ellipsoidal central drum is fixed with the inner wall of the tower body through a central drum supporting plate, the water retaining ring is arranged below the ellipsoidal central drum, and the inlet diameter of the water retaining ring is not smaller than the major axis diameter of the ellipsoidal central drum; the outer edge of the outlet of the water retaining ring is connected with the inner wall of the tower body through the water retaining ring blocking plate; the lower floor the below of flue gas absorption unit is provided with the flue gas and advances the pipe, the top of tower body is provided with the exhanst gas outlet, the superiors the top of flue gas absorption unit is provided with the absorption liquid and advances the pipe, the bottom of tower body is provided with the waste liquid export.
2. The waterfall wall type multistage absorption tower according to claim 1, wherein: the major axis diameter of the ellipsoidal central drum is 2/3 the inside diameter of the tower.
3. The waterfall wall type multistage absorption tower according to claim 1, wherein: the water retaining ring is a conical water retaining ring, the large head end of the conical water retaining ring is installed upwards, and the diameter of the opening of the small head end of the conical water retaining ring is equal to the diameter of the long shaft of the ellipsoidal central drum.
4. The waterfall wall type multistage absorption tower according to claim 1, wherein: the flue gas advances the pipe slope and sets up the outer wall of tower body, just the flue gas advances the import of pipe and is higher than the export that the flue gas advances the pipe.
5. The waterfall wall type multistage absorption tower according to claim 1, wherein: the outlet of the absorption liquid inlet pipe is arranged to be a bell mouth, and the large end of the bell mouth faces downwards.
6. The waterfall wall type multistage absorption tower according to claim 5, wherein: the central axis of the bell mouth coincides with the axis of the tower body.
7. The waterfall wall type multistage absorption tower according to claim 1, wherein: the smoke absorption unit is provided with 5-10 layers.
8. The waterfall wall type multistage absorption tower according to claim 1, wherein: the vertical axis of the ellipsoidal central drum and the axis of the water retaining ring in each layer of the flue gas absorption unit are coincided with the axis of the tower body.
9. the waterfall wall type multistage absorption tower as claimed in any one of claims 1 to 8, wherein: a plurality of the waterfall wall type multistage absorption towers can be connected in series for use at the same time.
CN201920146436.XU 2019-01-28 2019-01-28 Waterfall wall type multi-stage absorption tower Active CN209735211U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920146436.XU CN209735211U (en) 2019-01-28 2019-01-28 Waterfall wall type multi-stage absorption tower

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920146436.XU CN209735211U (en) 2019-01-28 2019-01-28 Waterfall wall type multi-stage absorption tower

Publications (1)

Publication Number Publication Date
CN209735211U true CN209735211U (en) 2019-12-06

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201920146436.XU Active CN209735211U (en) 2019-01-28 2019-01-28 Waterfall wall type multi-stage absorption tower

Country Status (1)

Country Link
CN (1) CN209735211U (en)

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