CN209828695U - Tail gas discharging device for pickling waste liquid treatment - Google Patents
Tail gas discharging device for pickling waste liquid treatment Download PDFInfo
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- CN209828695U CN209828695U CN201920522110.2U CN201920522110U CN209828695U CN 209828695 U CN209828695 U CN 209828695U CN 201920522110 U CN201920522110 U CN 201920522110U CN 209828695 U CN209828695 U CN 209828695U
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- spray tower
- baffle plates
- air inlet
- pipe
- waste liquid
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- 239000007788 liquid Substances 0.000 title claims abstract description 34
- 239000002699 waste material Substances 0.000 title claims abstract description 21
- 238000005554 pickling Methods 0.000 title claims abstract description 19
- 238000007599 discharging Methods 0.000 title claims abstract description 7
- 239000007921 spray Substances 0.000 claims abstract description 61
- 239000003513 alkali Substances 0.000 claims abstract description 30
- 238000011084 recovery Methods 0.000 claims abstract description 9
- 238000004140 cleaning Methods 0.000 claims description 20
- 238000000926 separation method Methods 0.000 claims description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 11
- 239000010410 layer Substances 0.000 claims description 8
- 239000000945 filler Substances 0.000 claims description 6
- 239000011229 interlayer Substances 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 4
- 230000014759 maintenance of location Effects 0.000 abstract description 2
- 239000002253 acid Substances 0.000 description 3
- 238000010306 acid treatment Methods 0.000 description 3
- 238000002425 crystallisation Methods 0.000 description 2
- 230000008025 crystallization Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000010808 liquid waste Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 235000021110 pickles Nutrition 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Landscapes
- Treating Waste Gases (AREA)
- Gas Separation By Absorption (AREA)
Abstract
The utility model provides a tail gas emission device for pickling waste liquid treatment, which comprises a spray tower and an alkali liquor storage box; a supporting screen plate is arranged in the inner cavity of the spray tower; a plurality of upper baffle plates in the vertical direction are arranged on the top surface of the inner cavity of the spray tower at equal intervals along the transverse direction, a plurality of lower baffle plates in the vertical direction are arranged on the upper end surface of the support screen plate at equal intervals along the transverse direction, and the upper baffle plates and the lower baffle plates are arranged in a staggered manner; the top of the inner cavity of the spray tower is provided with a spray head; the spray header is connected with the lye storage tank; an air inlet pipe is arranged on the left side wall of the spray tower above the supporting screen plate, and an air outlet pipe is arranged at the top of the right side wall; a recovery pipeline connected with the lye storage tank is arranged below the support screen plate on the side wall of the spray tower. The tail gas discharging device for treating the pickling waste liquid has reasonable structure, long retention time of tail gas in the tower, sufficient contact with alkali liquor and good tail gas treatment effect.
Description
Technical Field
The utility model belongs to the technical field of the spent acid treatment, especially, relate to a tail gas discharging equipment is used in pickling waste liquid treatment.
Background
At present, a waste acid treatment system can generate a large amount of acid-containing tail gas in the waste acid treatment process, and if the acid-containing tail gas is directly discharged into the air without treatment, the environment is polluted greatly, so that the discharged tail gas needs to be treated and then discharged. The tail gas generated by the existing pickling waste liquid is generally treated by an alkali liquor spray tower, the tail gas is supplied into the tower from the middle lower part of the tower wall, an alkali liquor spray head is arranged at the middle upper part of the tower, the tail gas and alkali liquor flow in the tower in a counter-current manner, and the tail gas absorbed by the alkali liquor finally flows out from a gas outlet at the top of the tower. The equipment has the problems of short retention time of tail gas in the tower, short contact time with alkali liquor, insufficient mixing and incomplete reaction. In addition, the problem that the alkali liquor flows into the air inlet along the inner wall of the tower, and is crystallized at the air inlet to block the air inlet exists.
Disclosure of Invention
In view of this, the utility model aims at providing a tail gas discharging device for pickling waste liquid treatment that rational in infrastructure, tail gas dwell time in the tower is long, and is abundant with alkali lye contact, tail gas treatment effect is good to solve above-mentioned problem.
In order to achieve the above purpose, the technical scheme of the utility model is realized like this:
a tail gas emission device for pickling waste liquid treatment comprises a spray tower and an alkali liquor storage tank, wherein a horizontally arranged support screen plate is arranged above a bottom plate of an inner cavity of the spray tower; a plurality of upper baffle plates in the vertical direction are arranged on the top surface of the inner cavity of the spray tower at equal intervals along the transverse direction, a plurality of lower baffle plates in the vertical direction are arranged on the upper end surface of the support screen plate at equal intervals along the transverse direction, and the upper baffle plates and the lower baffle plates are arranged in a staggered manner; spray headers are arranged at the top of the inner cavity of the spray tower between the adjacent upper baffle plates and between the upper baffle plate and the inner side wall of the spray tower; the spray header is connected with the alkali liquor storage box through an alkali liquor conveying pipeline; an air inlet pipe is arranged on the left side wall of the spray tower above the supporting screen plate, and an air outlet pipe is arranged at the top of the right side wall; and the side wall of the spraying tower is positioned below the supporting screen plate and is provided with a recovery pipeline connected with the lye storage tank.
Furthermore, filling materials are filled in the areas between the adjacent lower baffle plates and between the lower baffle plates and the right side wall of the spray tower.
Furthermore, the bottom surface of the inner cavity of the spray tower is of a slope structure, and the lower end of the inner cavity of the spray tower is positioned on the right side; the recovery pipeline is positioned on the right side wall of the spray tower.
The gas outlet end of the gas outlet pipe is connected with the gas-liquid separation component, and the gas-liquid separation component is a filler type or wire mesh type gas-liquid separation component.
Further, the air inlet pipe comprises a cleaning ring, an air inlet pipe I communicated with the inner cavity of the spray tower and an air inlet pipe II connected with air supply equipment; the cleaning ring is of an annular pipe structure with an interlayer space, a plurality of water outlet holes are formed in an inner layer pipe of the cleaning ring, and a water inlet pipe with a valve and communicated with the interlayer space is formed in an outer layer pipe of the cleaning ring; two ends of the cleaning ring are respectively connected with the first air inlet pipe and the second air inlet pipe in a seamless mode, and the three are arranged coaxially.
Furthermore, the cleaning ring is connected with the first air inlet pipe and the second air inlet pipe through threads.
Furthermore, the air inlet pipe is obliquely arranged, an included angle between the air inlet pipe and the horizontal plane is 1-10 degrees, and one end of the air outlet pipe is lower.
Compared with the prior art, pickle for liquid waste treatment exhaust emission device have following advantage:
(1) the tail gas emission device for treating the pickling waste liquid has reasonable structure, the spray tower is internally provided with the upper baffle plate and the lower baffle plate which are mutually staggered, the tail gas flow path can be effectively prolonged, the residence time of the tail gas in the tower is prolonged, the tail gas is fully contacted with the alkali liquor and fully reacted, the tail gas treatment effect is good, and the design of the supporting screen plate can recycle the dropped alkali liquor in time and then flow back to the alkali liquor storage tank;
(2) the spray tower of the utility model is also internally provided with the filler, the filler can further improve the contact time of the tail gas and the alkali liquor, and the absorption effect is further enhanced;
(3) acid pickling is exhaust emission device for waste liquid treatment's intake pipe including wasing the ring, wash the ring and pass through the inlet tube and can be connected with external water supply installation, the rivers get into the intermediate layer space of wasing the ring through the inlet tube in, from wasing apopore injection on the inlayer pipe of ring to the intake pipe in, can carry out periodic washing to the intake pipe, prevent that alkali lye from locating the crystallization at the mouth of pipe of intake pipe, the flush fluid can be in through intake pipe entering spray column, finally flow into the alkali lye storage tank through the recovery pipeline in, realize retrieving and recycling.
Drawings
The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:
FIG. 1 is a schematic structural view of an exhaust emission device for treating pickling waste liquid according to an embodiment of the present invention;
fig. 2 is a schematic view of an internal structure of an intake pipe according to an embodiment of the present invention.
Description of reference numerals:
1-a spray tower; 2-an alkali liquor storage box; 3-supporting the screen plate; 4-upper baffle plate; 5-lower baffle plate; 6-a spray header; 7-an alkali liquor conveying pipeline; 8, an air inlet pipe; 9-air outlet pipe; 10-a recovery line; 11-a filler; 12-a gas-liquid separation module; 13-cleaning the ring; 14-a gas inlet pipe; 15-air inlet two pipes; 16-water outlet; 17-water inlet pipe.
Detailed Description
It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.
In the description of the present invention, it is to be understood that the terms "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings, which are based on the orientation or positional relationship shown in the drawings, and are used for convenience of description and simplicity of description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," 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; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
As shown in fig. 1, a tail gas discharging device for treating pickling waste liquid comprises a spray tower 1, an alkali liquor storage tank 2 and a gas-liquid separation component 12;
a horizontally arranged supporting screen plate 3 is arranged above the bottom plate of the inner cavity of the spray tower 1; a plurality of upper baffle plates 4 in the vertical direction are arranged on the top surface of the inner cavity of the spray tower 1 at equal intervals along the transverse direction, a plurality of lower baffle plates 5 in the vertical direction are arranged on the upper end surface of the support screen plate 3 at equal intervals along the transverse direction, and the upper baffle plates 4 and the lower baffle plates 5 are arranged in a staggered manner; spray headers 6 are arranged at the top of the inner cavity of the spray tower 1 between the adjacent upper baffle plates 4 and between the upper baffle plates 4 and the inner side wall of the spray tower 1; the spray header 6 is connected with the alkali liquor storage box 2 through an alkali liquor conveying pipeline 7; filling materials 11 are filled in the areas between the adjacent lower baffle plates 5 and between the lower baffle plates 5 and the right side wall of the spray tower 1;
an air inlet pipe 8 is arranged on the left side wall of the spray tower 1 above the supporting screen plate 3; the air inlet pipe 8 comprises a cleaning ring 13, an air inlet first pipe 14 communicated with the inner cavity of the spray tower 1 and an air inlet second pipe 15 connected with external air supply equipment; the cleaning ring 13 is of an annular pipe structure with an interlayer space, a plurality of water outlet holes 16 are formed in an inner layer pipe of the cleaning ring 13, and a water inlet pipe 17 with a valve and communicated with the interlayer space is formed in an outer layer pipe of the cleaning ring 13; two ends of the cleaning ring 13 are respectively connected with the first air inlet pipe 14 and the second air inlet pipe 15 in a seamless mode through threads, and the cleaning ring 13, the first air inlet pipe 14 and the second air inlet pipe 5 are arranged coaxially; the air inlet pipe 8 is obliquely arranged, the included angle between the air inlet pipe 8 and the horizontal plane is 1-10 degrees, and the air outlet end of the air inlet pipe 8 is a low end;
the top of the right side wall of the spray tower 1 is provided with an air outlet pipe 9; the gas outlet end of the gas outlet pipe 9 is connected with a gas-liquid separation component 12, and the gas-liquid separation component 12 is a filler type or wire mesh type gas-liquid separation component;
the right side wall of the spray tower 1 is positioned below the supporting screen plate 3, a recovery pipeline 10 connected with the alkali liquor storage tank 2 is arranged below the supporting screen plate, the bottom surface of the inner cavity of the spray tower 1 is of a slope structure, and the lower end of the spray tower 1 is positioned on the right side.
The working process of the utility model is as follows:
tail gas enters the spray tower 1 through the gas inlet pipe 8, flows in the spray tower 1 in a curved bent path under the action of the upper baffle plate 4 and the lower baffle plate 5, alkali liquor is provided for the spray header 6 by the alkali liquor storage tank 2, and the alkali liquor falls into the lower layer of the support screen plate 2 after being sprayed into the spray tower through the spray header 6 and fully contacted with the tail gas, and is collected into the alkali liquor storage tank 2 through the recovery pipeline 10; the absorbed tail gas enters the gas-liquid separation component 12 from the gas outlet pipe 9, and condensed water is separated out and then is discharged from a gas outlet of the gas-liquid separation component 12; in order to prevent crystallization at the mouth of the air inlet pipe 8, water can be periodically supplied into the cleaning ring 13 to wash the air inlet pipe 8.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The utility model provides a tail gas discharging equipment for pickling waste liquid treatment, includes spray column (1) and lye storage tank (2), its characterized in that: a horizontally arranged supporting screen plate (3) is arranged above the bottom plate of the inner cavity of the spray tower (1); a plurality of upper baffle plates (4) in the vertical direction are arranged on the top surface of the inner cavity of the spray tower (1) at equal intervals along the transverse direction, a plurality of lower baffle plates (5) in the vertical direction are arranged on the upper end surface of the support screen plate (3) at equal intervals along the transverse direction, and the upper baffle plates (4) and the lower baffle plates (5) are arranged in a staggered manner; spray headers (6) are arranged at the top of the inner cavity of the spray tower (1) between the adjacent upper baffle plates (4) and between the upper baffle plates (4) and the inner side wall of the spray tower (1); the spray header (6) is connected with the alkali liquor storage box (2) through an alkali liquor conveying pipeline (7); an air inlet pipe (8) is arranged on the left side wall of the spray tower (1) above the supporting screen plate (3), and an air outlet pipe (9) is arranged at the top of the right side wall; and a recovery pipeline (10) connected with the lye storage tank (2) is arranged below the support screen plate (3) on the side wall of the spray tower (1).
2. The exhaust emission device for pickling waste liquid treatment according to claim 1, characterized in that: and filling materials (11) are filled in the areas between the adjacent lower baffle plates (5) and between the lower baffle plates (5) and the right side wall of the spray tower (1).
3. The exhaust emission device for pickling waste liquid treatment according to claim 1, characterized in that: the bottom surface of the inner cavity of the spray tower (1) is of a slope structure, and the lower end of the spray tower is positioned on the right side; the recovery pipeline (10) is positioned on the right side wall of the spray tower (1).
4. The exhaust emission device for pickling waste liquid treatment according to claim 1, characterized in that: the gas-liquid separation device is characterized by further comprising a gas-liquid separation assembly (12), wherein the gas outlet end of the gas outlet pipe (9) is connected with the gas-liquid separation assembly (12), and the gas-liquid separation assembly (12) is a filler type or wire mesh type gas-liquid separation assembly.
5. The exhaust emission device for pickling waste liquid treatment according to claim 1, characterized in that: the air inlet pipe (8) comprises a cleaning ring (13), an air inlet first pipe (14) communicated with the inner cavity of the spray tower (1) and an air inlet second pipe (15) connected with air supply equipment; the cleaning ring (13) is of an annular pipe structure with an interlayer space, a plurality of water outlet holes (16) are formed in an inner layer pipe of the cleaning ring (13), and a water inlet pipe (17) which is communicated with the interlayer space and is provided with a valve is arranged on an outer layer pipe of the cleaning ring (13); two ends of the cleaning ring (13) are respectively connected with the first air inlet pipe (14) and the second air inlet pipe (15) in a seamless mode, and the three are arranged coaxially.
6. The exhaust emission device for pickling waste liquid treatment according to claim 5, characterized in that: the cleaning ring (13) is connected with the first air inlet pipe (14) and the second air inlet pipe (15) through threads.
7. The exhaust emission device for pickling waste liquid treatment according to claim 5, characterized in that: the air inlet pipe (8) is obliquely arranged and forms an included angle of 1-10 degrees with the horizontal plane, and one end of the air outlet pipe (8) is lower.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920522110.2U CN209828695U (en) | 2019-04-17 | 2019-04-17 | Tail gas discharging device for pickling waste liquid treatment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920522110.2U CN209828695U (en) | 2019-04-17 | 2019-04-17 | Tail gas discharging device for pickling waste liquid treatment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209828695U true CN209828695U (en) | 2019-12-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920522110.2U Active CN209828695U (en) | 2019-04-17 | 2019-04-17 | Tail gas discharging device for pickling waste liquid treatment |
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| Country | Link |
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| CN (1) | CN209828695U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112076610A (en) * | 2020-08-17 | 2020-12-15 | 孙新华 | Industrial waste gas treatment device convenient to segmentation is handled |
| CN112717648A (en) * | 2020-12-11 | 2021-04-30 | 深圳金基珠宝首饰有限公司 | Acid boiling and tail gas absorption equipment |
| CN115920613A (en) * | 2023-03-08 | 2023-04-07 | 山东和润环保科技有限公司 | A deodorizing device for VOCs waste gas peculiar smell is handled |
-
2019
- 2019-04-17 CN CN201920522110.2U patent/CN209828695U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112076610A (en) * | 2020-08-17 | 2020-12-15 | 孙新华 | Industrial waste gas treatment device convenient to segmentation is handled |
| CN112717648A (en) * | 2020-12-11 | 2021-04-30 | 深圳金基珠宝首饰有限公司 | Acid boiling and tail gas absorption equipment |
| CN115920613A (en) * | 2023-03-08 | 2023-04-07 | 山东和润环保科技有限公司 | A deodorizing device for VOCs waste gas peculiar smell is handled |
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