CN215901268U - Integrated form air current distribution device and tail gas scrubbing tower - Google Patents
Integrated form air current distribution device and tail gas scrubbing tower Download PDFInfo
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- CN215901268U CN215901268U CN202122102877.XU CN202122102877U CN215901268U CN 215901268 U CN215901268 U CN 215901268U CN 202122102877 U CN202122102877 U CN 202122102877U CN 215901268 U CN215901268 U CN 215901268U
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- tail gas
- main pipe
- washing tower
- holes
- distribution device
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- 238000009826 distribution Methods 0.000 title claims abstract description 79
- 238000005201 scrubbing Methods 0.000 title claims description 19
- 238000005406 washing Methods 0.000 claims abstract description 66
- 239000002002 slurry Substances 0.000 claims abstract description 19
- 239000007788 liquid Substances 0.000 claims abstract description 18
- 239000000779 smoke Substances 0.000 claims abstract description 13
- 238000005507 spraying Methods 0.000 claims abstract description 13
- 239000007789 gas Substances 0.000 claims description 67
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 4
- 239000003546 flue gas Substances 0.000 claims description 4
- 238000000034 method Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000002912 waste gas Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000009991 scouring Methods 0.000 description 2
- 238000009827 uniform distribution Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000006477 desulfuration reaction Methods 0.000 description 1
- 230000023556 desulfurization Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 239000012855 volatile organic compound Substances 0.000 description 1
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- Treating Waste Gases (AREA)
Abstract
The utility model relates to an integrated air flow distribution device and an exhaust gas washing tower, wherein the integrated air flow distribution device comprises a main pipe and at least one group of branch pipes connected to the side part of the main pipe, a plurality of groups of branch pipes are arranged in parallel, and each group of branch pipes is vertical to the main pipe; the main pipe is connected with a smoke duct at the inlet of the washing tower, and the top of the main pipe and the two sides of the branch pipe are provided with distribution holes. The integrated gas flow distribution device is integrated with a smoke duct at the inlet of the washing tower and is used as an inlet and gas flow distribution device of the washing tower, so that tail gas directly enters a main pipe from the inlet of the washing tower, is uniformly distributed into the washing tower through distribution holes of branch pipes, is contacted with washing liquid generated by each spraying layer, and falls back into a slurry tank to complete tail gas treatment.
Description
Technical Field
The utility model relates to the field of waste gas treatment, in particular to an integrated airflow distribution device and a tail gas washing tower.
Background
The statements in this section merely provide background information related to the present disclosure and may not necessarily constitute prior art.
The waste gas generated in industrial production can be discharged to the atmosphere after being treated by desulfurization, dust removal, VOCs treatment and the like.
The tail gas (waste gas) is usually treated by a washing tower, and when the tail gas enters the washing tower through an inlet of the washing tower, the problems of gas wall climbing, bias flow, uneven air flow distribution and the like exist. The space above a part of the washing tower is limited, and airflow distribution devices such as trays and the like and supporting structures thereof cannot be arranged. Some scrubbers are designed and built to minimize the height of the upper portion of the scrubber inlet for cost reasons. In the mode, the space for tail gas to enter the washing tower is reduced, so that the tail gas is not beneficial to uniform distribution, bias flow is easy to occur, the treatment effect of the washing liquid is not ideal, and the whole tail gas treatment effect is influenced; meanwhile, due to the off-flow of the tail gas, the concentration distribution of the tail gas in the washing tower is uneven, so that a part of components in the tail gas and a product obtained after the reaction of the washing liquid are easy to scale on the side wall of the washing tower. In addition, the traditional airflow distribution device only considers that the gas is uniformly distributed, a large number of holes are formed, and the traditional airflow distribution device is limited by the strength of the distribution branch pipes, so that the problems of blockage, scaling and the like are more easily caused when the diameter of each hole is too small.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems, the utility model provides an integrated air flow distribution device and a tail gas washing tower, wherein the integrated air flow distribution device is integrated with a smoke air duct at the inlet of the washing tower and is used as the inlet of the washing tower and an air flow distribution device, so that tail gas directly enters a main pipe from the inlet of the washing tower, is uniformly distributed into the washing tower through distribution holes of branch pipes, is contacted with washing liquid generated by each spraying layer, and falls back into a slurry tank to complete tail gas treatment.
In order to achieve the purpose, the utility model adopts the following technical scheme:
the utility model provides an integrated airflow distribution device, which comprises a main pipe and at least one group of branch pipes connected to the side part of the main pipe, wherein a plurality of groups of branch pipes are arranged in parallel, and each group of branch pipes is vertical to the main pipe; the main pipe is connected with a smoke duct at the inlet of the washing tower, and the top and the bottom of the main pipe are provided with distribution holes.
The bottom of the main pipe is provided with a liquid discharge hole, and the two sides of the branch pipe are provided with distribution holes.
The distribution hole is at least one of a round hole, a kidney-shaped hole, a long round hole or an elliptical hole.
A second aspect of the utility model provides an off-gas wash tower incorporating the above-described integrated gas flow distribution apparatus.
An inlet flue gas duct is arranged at the side part of the tail gas washing tower, and a slurry pool is arranged at the bottom of the inner side of the tail gas washing tower; at least one group of spraying layers is arranged above the slurry pool.
The main pipe of the integrated airflow distribution device is connected with an inlet smoke air duct of the tail gas washing tower; the tail ends of the main pipe and the branch pipes are fixed on the side wall of the tail gas washing tower through a supporting structure.
The integrated air flow distribution device is positioned between the slurry tank and the first spraying layer; the distribution holes of the main pipe face the slurry tank and the first spraying layer, and the distribution holes of the branch pipes face the side wall of the tail gas washing tower.
Compared with the prior art, the above one or more technical schemes have the following beneficial effects:
1. the integrated gas flow distribution device is integrated with a smoke duct at the inlet of the washing tower and is used as an inlet and gas flow distribution device of the washing tower, so that tail gas directly enters a main pipe from the inlet of the washing tower, is uniformly distributed into the washing tower through distribution holes of branch pipes, is contacted with washing liquid generated by each spraying layer, and falls back into a slurry tank to complete tail gas treatment.
2. The introduction of outage can avoid the processing liquid that the tail gas treatment process produced to be in being responsible for and the branch pipe enrichment, has set up the distribution hole when the flue bottom surface, then need not repeated set up the outage, and the distribution hole is direct as flowing back and is used.
3. At least one of a round hole, a waist-shaped hole, a long round hole or an elliptical hole is selected as the hole pattern of the distribution holes, the opening area is larger, so that the tail gas treatment process is not easy to scale, and simultaneously, the slurry can enter the integrated airflow distribution device from the distribution holes in a counter-current mode, and the liquid discharge holes formed in the bottom of the integrated airflow distribution device are matched to indirectly reduce the scale formation degree in a scouring mode.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, are included to provide a further understanding of the utility model, and are incorporated in and constitute a part of this specification, illustrate exemplary embodiments of the utility model and together with the description serve to explain the utility model and not to limit the utility model.
FIG. 1 is a schematic plan view of a structure provided by one or more embodiments of the present invention;
FIG. 2 is a schematic diagram of a structural facade arrangement provided by one or more embodiments of the present invention;
FIG. 3 is a schematic illustration of a kidney-shaped hole provided by one or more embodiments of the present invention;
in the figure: 1-washing tower, 2-washing tower inlet flue, 3-main pipe, 4-branch pipe, 5-waist-shaped hole, 6-liquid discharge hole and 7-support structure.
Detailed Description
The utility model is further described with reference to the following figures and examples.
It is to be understood that the following detailed description is exemplary and is intended to provide further explanation of the utility model as claimed. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the utility model. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
As described in the background art, some scrubbing towers are designed and constructed to reduce the height of the upper portion of the inlet of the scrubbing tower as much as possible due to cost, which reduces the space of the tail gas in the scrubbing tower, is not favorable for the uniform distribution of the tail gas, and is more prone to drift; the off-gas bias flow causes the concentration distribution of the off-gas in the washing tower to be uneven, so that a part of components in the off-gas and a product after the washing liquid reacts are easy to gather on the side wall of the washing tower to generate a scaling phenomenon. In addition, the traditional airflow distribution device only considers that the gas is uniformly distributed, a large number of holes are formed, and the traditional airflow distribution device is limited by the strength of the distribution branch pipes, so that the problems of blockage, scaling and the like are more easily caused when the diameter of each hole is too small.
Therefore, the following embodiments provide a hardware structure of an integrated air flow distribution device and a tail gas washing tower, the integrated air flow distribution device and a smoke duct at an inlet of the washing tower are combined into a whole to serve as the inlet of the washing tower and the air flow distribution device, so that tail gas directly enters a main pipe from the inlet of the washing tower, is uniformly distributed into the washing tower through distribution holes of branch pipes, is contacted with washing liquid generated by each spraying layer, and falls back into a slurry tank to complete tail gas treatment. The mode can support the existing design and construction mode of reducing the height of the upper part of the inlet of the washing tower, has ideal tail gas treatment effect, and simultaneously ensures that the tail gas is uniformly distributed and the scaling phenomenon in the washing tower is reduced.
The first embodiment is as follows:
as shown in fig. 1-3, an integrated airflow distribution device comprises at least one group of main pipes 3 and at least one group of branch pipes 4 connected to the side parts of the main pipes 3, wherein a plurality of groups of branch pipes 4 are arranged in parallel, and each group of branch pipes 4 is perpendicular to the main pipes 3; be responsible for 3 and connect scrubbing tower entry flue 2, be responsible for 3 tops, bottom and branch pipe 4 both sides and be equipped with the distribution hole, be responsible for the distribution hole on also can only set up at top or bottom, be responsible for 3 bottoms and be equipped with outage 6.
The number of the branch pipes 4 is not limited, and the position angle of the branch pipes 4 relative to the main pipe 3 is also not limited, and the branch pipes are arranged according to the processing capacity of the actual washing tower;
for example, as shown in fig. 1, the branch pipes 4 are divided into two parts, which are horizontally arranged and vertically arranged, 4 groups of branch pipes 4 are respectively arranged on the left and right sides of the main pipe 3, and two rows of 20 groups of kidney-shaped holes 5 are respectively arranged on the top and bottom of the main pipe 3.
The shapes of the distribution holes on the main pipe and the branch pipes are not limited, and the distribution holes can be at least one of round holes, kidney-shaped holes 5, long round holes or elliptical holes, so that the edges of the holes are ensured to be in smooth transition;
for example, in the present embodiment, a kidney-shaped hole 5 as shown in fig. 3 is selected, the kidney-shaped hole 5 includes a rectangular portion and two semicircular portions connected to both sides of the rectangular portion, and the side length L of the rectangular portion and the radius R of the semicircular portions are in a relationship of L ═ 2R.
The integrated airflow distribution device with the structure is combined with the smoke air duct at the inlet of the washing tower into a whole, the traditional smoke air duct is replaced by the main pipe with the branch pipes, the tail gas directly enters the main pipe from the inlet of the washing tower, and the tail gas is uniformly distributed into the washing tower through the distribution holes of the branch pipes.
The introduction of outage can avoid the processing liquid that the tail gas treatment process produced to be in being responsible for and the branch pipe enrichment, has set up the distribution hole when the flue bottom surface, then need not repeated set up the outage, and the distribution hole is direct as flowing back and is used.
Example two:
an exhaust gas scrubbing tower is provided with the integrated airflow distribution device of the first embodiment.
An inlet flue gas duct is arranged on the side part of the washing tower 1 (tail gas washing tower), a slurry pool is arranged at the bottom of the inner side of the washing tower, and at least one group of spraying layers is arranged above the slurry pool.
A main pipe 3 of the integrated airflow distribution device is connected with an inlet flue gas duct 2 of the tail gas washing tower, and the tail ends of the main pipe and the branch pipes are fixed on the side wall of the tail gas washing tower through a supporting structure 7;
the structure of the support structure 7 is not limited, and for example, a pipe bracket support may be used.
The integrated gas flow distribution device is positioned between the slurry tank and the first spraying layer, the distribution holes of the main pipe face the slurry tank and the first spraying layer, and the distribution holes of the branch pipes face the side wall of the tail gas washing tower.
The inlet flue duct 2 of the washing tower extends into the tail gas washing tower, and a plurality of branch pipes are arranged on the main pipe of the flue duct as required. The top surface of the main pipe is provided with waist-shaped holes (or round holes and the like), or both the top surface and the bottom surface or only the bottom surface (the arrangement can lead the smoke to turn back from the lower end to the upper end and prolong the retention time of the smoke), and the two side surfaces of the branch pipes are provided with the waist-shaped holes (or round holes and the like); in order to avoid the enrichment of internal slurry, a liquid discharge hole is arranged at the bottom of the main pipe for discharging liquid.
In the tail gas scrubbing tower of above-mentioned structure, the flue duct of integrated form air current distribution device and scrubbing tower entry unites two into one, as the entry and air current distribution device of scrubbing tower for tail gas is directly got into by the scrubbing tower entry and is responsible for, and the distribution hole through each branch pipe is in with tail gas evenly distributed to the scrubbing tower again, with each washing liquid contact that sprays the layer and produce, falls back to accomplishing tail gas treatment in the thick liquid pond.
At least one of a round hole, a waist-shaped hole, a long round hole or an elliptical hole is selected as the hole pattern of the distribution holes, the opening area is larger, so that the tail gas treatment process is not easy to scale, and simultaneously, the slurry can enter the integrated airflow distribution device from the distribution holes in a counter-current mode, and the liquid discharge holes formed in the bottom of the integrated airflow distribution device are matched to indirectly reduce the scale formation degree in a scouring mode.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. An integrated airflow distribution apparatus, comprising: the device comprises a main pipe and at least one group of branch pipes connected to the side part of the main pipe, wherein the branch pipes of each group are arranged in parallel, and each group of branch pipes is vertical to the main pipe; the main pipe is connected with a smoke duct at the inlet of the washing tower, and the top and the bottom of the main pipe are provided with distribution holes.
2. An integrated airflow distribution apparatus as set forth in claim 1, wherein: a liquid discharge hole is formed in the bottom of the main pipe; the two sides of the branch pipe are provided with distribution holes.
3. An integrated airflow distribution apparatus as set forth in claim 1, wherein: the distribution holes are at least one of round holes, kidney-shaped holes, long round holes or elliptical holes.
4. The utility model provides a tail gas scrubbing tower which characterized in that: an integrated gas flow distribution apparatus as claimed in claim 1 is installed.
5. The tail gas scrubbing tower of claim 4, wherein: the tail end of the main pipe and the tail ends of the branch pipes of the integrated airflow distribution device are fixed on the side wall of the tail gas washing tower through a supporting structure.
6. The tail gas scrubbing tower of claim 4, wherein: the lateral part of the tail gas washing tower is provided with an inlet flue gas duct, and the bottom of the inner side of the tail gas washing tower is provided with a slurry pool.
7. The tail gas scrubbing tower of claim 6, wherein: the main pipe of the integrated air flow distribution device is connected with an inlet smoke air duct of the tail gas washing tower.
8. The tail gas scrubbing tower of claim 6, wherein: at least one group of spraying layers is arranged above the slurry pool.
9. The tail gas scrubbing tower of claim 8, wherein: the integrated air flow distribution device is positioned between the slurry tank and the first spraying layer.
10. The tail gas scrubbing tower of claim 9, wherein: the distribution holes on the main pipe of the integrated air flow distribution device face the slurry tank and the first spraying layer, and the distribution holes of the branch pipes face the side wall of the tail gas washing tower.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122102877.XU CN215901268U (en) | 2021-09-01 | 2021-09-01 | Integrated form air current distribution device and tail gas scrubbing tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122102877.XU CN215901268U (en) | 2021-09-01 | 2021-09-01 | Integrated form air current distribution device and tail gas scrubbing tower |
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|---|---|
| CN215901268U true CN215901268U (en) | 2022-02-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122102877.XU Active CN215901268U (en) | 2021-09-01 | 2021-09-01 | Integrated form air current distribution device and tail gas scrubbing tower |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116651154A (en) * | 2023-07-20 | 2023-08-29 | 南京碧盾环保科技股份有限公司 | Ship tail gas desulfurization device based on membrane absorption technology |
-
2021
- 2021-09-01 CN CN202122102877.XU patent/CN215901268U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116651154A (en) * | 2023-07-20 | 2023-08-29 | 南京碧盾环保科技股份有限公司 | Ship tail gas desulfurization device based on membrane absorption technology |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20231127 Address after: 250014 fifth floor, Swan Building, Lishan Road, Lixia District, Jinan City, Shandong Province Patentee after: Guoneng (Shandong) energy environment Co.,Ltd. Patentee after: Guoneng Longyuan environmental protection Co.,Ltd. Address before: 250014 5th floor, Swan Building, No. 157, Lishan Road, Lixia District, Jinan City, Shandong Province Patentee before: Guoneng (Shandong) energy environment Co.,Ltd. |
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| TR01 | Transfer of patent right |