CN201735309U - Unitization efficient tail gas absorbing device for leather tail gas treatment - Google Patents
Unitization efficient tail gas absorbing device for leather tail gas treatment Download PDFInfo
- Publication number
- CN201735309U CN201735309U CN2010201957563U CN201020195756U CN201735309U CN 201735309 U CN201735309 U CN 201735309U CN 2010201957563 U CN2010201957563 U CN 2010201957563U CN 201020195756 U CN201020195756 U CN 201020195756U CN 201735309 U CN201735309 U CN 201735309U
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- CN
- China
- Prior art keywords
- absorption
- tail gas
- liquid
- tower
- absorption tower
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 239000010985 leather Substances 0.000 title claims abstract description 14
- 238000010521 absorption reaction Methods 0.000 claims abstract description 90
- 239000007788 liquid Substances 0.000 claims abstract description 42
- 238000012856 packing Methods 0.000 claims abstract description 10
- 239000007921 spray Substances 0.000 claims description 13
- 238000011084 recovery Methods 0.000 claims description 2
- 238000005273 aeration Methods 0.000 claims 2
- 238000005507 spraying Methods 0.000 claims 2
- 238000004064 recycling Methods 0.000 claims 1
- 239000007789 gas Substances 0.000 abstract description 32
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 12
- 229910021529 ammonia Inorganic materials 0.000 description 6
- 230000000903 blocking effect Effects 0.000 description 6
- 239000000945 filler Substances 0.000 description 6
- 238000005276 aerator Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 238000003795 desorption Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- BFNBIHQBYMNNAN-UHFFFAOYSA-N ammonium sulfate Chemical compound N.N.OS(O)(=O)=O BFNBIHQBYMNNAN-UHFFFAOYSA-N 0.000 description 1
- 229910052921 ammonium sulfate Inorganic materials 0.000 description 1
- 235000011130 ammonium sulphate Nutrition 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Images
Landscapes
- Treating Waste Gases (AREA)
- Gas Separation By Absorption (AREA)
Abstract
本实用新型涉及一种用于皮革尾气处理的单元化高效尾气吸收装置，包括吸收塔、吸收液回用池和循环泵，所述吸收塔下端出液口、吸收液回用池、循环泵以及吸收塔上部进液口通过管道连接成回收液循环回路，所述吸收塔是以逆流传质吸收方式工作的填料塔，填料塔内部的填料采用阶梯环型。该吸收装置能够高效的吸收尾气，同时保证装置小体积单元化，利于中小企业解决氨氮尾气的二次污染问题。
The utility model relates to a unitized high-efficiency tail gas absorption device for leather tail gas treatment, comprising an absorption tower, an absorption liquid reuse pool and a circulation pump, the liquid outlet at the lower end of the absorption tower, the absorption liquid reuse pool, a circulation pump and The liquid inlet at the upper part of the absorption tower is connected to a recycled liquid circulation loop through pipelines. The absorption tower is a packed tower that works in a counterflow mass flow absorption mode, and the packing inside the packed tower adopts a stepped ring type. The absorption device can efficiently absorb tail gas, and at the same time ensure the unitization of the device in a small volume, which is beneficial for small and medium-sized enterprises to solve the secondary pollution problem of ammonia nitrogen tail gas.
Description
Technical field
The utility model belongs to leather vent gas treatment field, relates to a kind of device for absorbing tail gas, especially a kind of efficient device for absorbing tail gas of blocking that is used for the leather vent gas treatment.
Background technology
Contain a large amount of ammonia and nitrogen pollutions in the leather industry waste water, can utilize the mode of stripping that it is separated from waste liquid.And the stripping back ammonia that comes out can cause the secondary pollution of tail gas.Existing one volume of ammonia absorption plant is bigger, is unfavorable for the application of medium-sized and small enterprises, simultaneously can not be well and the efficient ammonia-nitrogen desorption tower of multipoint mode be used.
The utility model content
The purpose of this utility model is to overcome the shortcoming of above-mentioned prior art, a kind of efficient device for absorbing tail gas of blocking that is used for the leather vent gas treatment is provided, this absorption plant can absorb tail gas efficiently, the assurance device small volume unitsization is beneficial to the secondary pollution problem that medium-sized and small enterprises solve ammonia nitrogen tail gas simultaneously.
The purpose of this utility model solves by the following technical programs: this efficient device for absorbing tail gas of blocking that is used for the leather vent gas treatment, comprise absorption tower, absorption liquid reuse tank and circulating pump, lower end, described absorption tower liquid outlet, absorption liquid reuse tank, circulating pump and top, absorption tower inlet connect into by pipeline and reclaim the liquid closed circuit, described absorption tower is the packed tower with the work of countercurrent mass transfer absorption pattern, and the filler of packed tower inside adopts ladder ring-like.
The packing layer top of inside, above-mentioned absorption tower is provided with a spray equipment, and the packing layer middle part distributes in the absorption tower short transverse a plurality of spray equipments are set, and the feed tube of each spray equipment interconnects the back and is connected with top, absorption tower inlet; The below of described packing layer is provided with aerator, and described aerator is communicated with the air inlet of bottom, absorption tower.
Further, this device of the present utility model comprises a plurality of absorption towers, described a plurality of absorption tower is parallel with one another by pipeline, the liquid outlet of described circulating pump is connected with the inlet on top, a plurality of absorption tower respectively by pipeline, and the lower end liquid outlet on a plurality of absorption towers interconnects the back by pipeline and feeds in the absorption liquid recovery pond.
On above-mentioned a plurality of absorption tower each connects in mode in parallel or series connection by pipeline inlet, outlet.
The cascade ring filler that the utility model adopts can effectively increase the gas-liquid contact area, promotes the mass transport process of ammonia between two-phase.Device of the present utility model structurally has device miniaturization, blocking, the advantage that is easy to install and use.
Description of drawings
Fig. 1 is absorption tower of the present utility model 1 structural representation; Fig. 2 implements one equipment connection diagram for the utility model; Fig. 3 implements two equipment connection diagram for the utility model.
Wherein: 1 is the absorption tower; 2 is filler; 3 is spray equipment; 4 is aerator; 5 is the gas outlet; 6 is liquid outlet; 7 is inlet; 8 is air inlet; 9 is the absorption liquid reuse tank; 10 is circulating pump.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is done and to be described in further detail: referring to Fig. 1, Fig. 2 or Fig. 3, this efficient device for absorbing tail gas of blocking that is used for the leather vent gas treatment comprises absorption tower 1, absorption liquid reuse tank 9 and circulating pump 10.Lower end, absorption tower liquid outlet 6, absorption liquid reuse tank 9, circulating pump 10 and top, absorption tower inlet 7 connect into by pipeline and reclaim the liquid closed circuit, and absorption liquid adopts dilute sulfuric acid, and can recycle.Absorption tower 1 is the packed tower with the work of countercurrent mass transfer absorption pattern, and it is a cylinder, and the filler 2 of packed tower inside adopts ladder ring-like.Above the packing layer of 1 inside, described absorption tower, be provided with a spray equipment 3, the packing layer middle part distributes in the absorption tower short transverse a plurality of spray equipments 3 is set, the feed tube of each spray equipment 3 interconnects the back and is connected with top, absorption tower inlet 7, the below of described packing layer is provided with aerator 4, and the air inlet pipe of described aerator 4 is communicated with the air inlet 8 of bottom, absorption tower.In order to prevent corrosion, the device of this 1 inside, absorption tower is anti-corrosion material.
In order to improve gas absorbed efficiency, can adopt a plurality of absorption towers 1 to be used in combination in the absorption plant of the present utility model, the liquid circulation loop on wherein a plurality of absorption towers 1 is by pipeline (as Fig. 2 and Fig. 3) parallel with one another, the liquid outlet of circulating pump 10 is connected with the inlet 7 on 1 top, a plurality of absorption tower respectively by pipeline, and the lower end liquid outlet 6 on a plurality of absorption towers 1 interconnects the back by pipeline and feeds in the absorption liquid reuse tank 9.
On a plurality of absorption towers 1 each can be connected to mode in parallel to inlet, outlet 8,5 by pipeline, as shown in Figure 2, also can adopt the mode of series connection to connect, as shown in Figure 3.
The course of work of the present utility model is as follows: 1 top inlet 7 enters absorption tower 1 to absorption liquid from the absorption tower, spray on inner-tower filling material 2 by the mouth spray on the spray equipment 3 of differing heights in the tower, under the effect of self gravitation, flow downward along filler 2 surfaces, discharge and be circulated to the absorption liquid reuse tank through absorption tower 1 lower end liquid outlet 6.
1 bottom air inlet 8 enters in the tower gas from the absorption tower, is discharged by gas outlet, top 5 after finishing mass transport process through the filler 2 in the tower.Treated gas can directly efflux, and also can be used as stripping gas and stripping tower and is used.
When handling a large amount of gas, adopt combination in parallel (as Fig. 2), the air inlet 8 of gas bottom of 1 along the absorption tower is entered a plurality of GAS ABSORPTION unit (absorption tower 1) simultaneously, through once absorbing the back discharging.
When requiring very high thing to handling gaseous mass, adopt tandem compound (as Fig. 3), gas is entered first absorption tower 1 along the air inlet 8 of bottom of device, enter second absorption tower 1 after absorption is discharged through absorption liquid and further absorb, then enter 1 back, the 3rd absorption tower again and finally discharge from gas outlet, 1 upper end, the 3rd absorption tower 5.
In sum, absorption plant of the present utility model can effectively promote the mass transport process of ammonia between two-phase.And realize the multiple spot spray with a plurality of spray equipments, guaranteed that ammonia can be by efficient absorption.Tail gas after this device is handled can be recycled to the efficient ammonia-nitrogen desorption tower of multipoint mode and use as stripping gas, makes two coordinative composition of equipments use and energy-saving and cost-reducing.And in liquid circulation loop, its absorption liquid generates ammonium sulfate after using after a while, can be used as product through purifying.For leather production has reduced cost.
Claims (4)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201957563U CN201735309U (en) | 2010-05-19 | 2010-05-19 | Unitization efficient tail gas absorbing device for leather tail gas treatment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201957563U CN201735309U (en) | 2010-05-19 | 2010-05-19 | Unitization efficient tail gas absorbing device for leather tail gas treatment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201735309U true CN201735309U (en) | 2011-02-09 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201957563U Expired - Fee Related CN201735309U (en) | 2010-05-19 | 2010-05-19 | Unitization efficient tail gas absorbing device for leather tail gas treatment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201735309U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104968412A (en) * | 2013-07-02 | 2015-10-07 | 沙特阿拉伯石油公司 | Variable capacity multiple-leg packed separation column |
| CN105695100A (en) * | 2016-02-29 | 2016-06-22 | 广西壮族自治区分析测试研究中心 | Method for producing jasmine flower hydrolat through filler absorption and equipment thereof |
| WO2020258940A1 (en) * | 2019-06-26 | 2020-12-30 | 佳化化学科技发展（上海）有限公司 | Ammonia-containing tail gas absorption system |
| CN112473324A (en) * | 2020-11-19 | 2021-03-12 | 江苏通用环保集团有限公司 | Method for absorbing malodorous gas in sewage treatment and special device thereof |
| CN112691533A (en) * | 2021-03-23 | 2021-04-23 | 山东金宜善新材料有限公司 | Sodium sulfite absorption tower device |
-
2010
- 2010-05-19 CN CN2010201957563U patent/CN201735309U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104968412A (en) * | 2013-07-02 | 2015-10-07 | 沙特阿拉伯石油公司 | Variable capacity multiple-leg packed separation column |
| CN104968412B (en) * | 2013-07-02 | 2018-04-27 | 沙特阿拉伯石油公司 | The multistage filling splitter of variable capacity |
| CN105695100A (en) * | 2016-02-29 | 2016-06-22 | 广西壮族自治区分析测试研究中心 | Method for producing jasmine flower hydrolat through filler absorption and equipment thereof |
| WO2020258940A1 (en) * | 2019-06-26 | 2020-12-30 | 佳化化学科技发展（上海）有限公司 | Ammonia-containing tail gas absorption system |
| US20220226773A1 (en) * | 2019-06-26 | 2022-07-21 | Jiahua Science & Technology Development (Shanghai) Ltd. | Ammonia-containing tail gas absorption system |
| EP3967387A4 (en) * | 2019-06-26 | 2022-08-03 | Jiahua Science&Technology Development (Shanghai ) Ltd. | WASTE GAS ABSORPTION SYSTEM CONTAINING AMMONIA |
| CN112473324A (en) * | 2020-11-19 | 2021-03-12 | 江苏通用环保集团有限公司 | Method for absorbing malodorous gas in sewage treatment and special device thereof |
| CN112691533A (en) * | 2021-03-23 | 2021-04-23 | 山东金宜善新材料有限公司 | Sodium sulfite absorption tower device |
| CN112691533B (en) * | 2021-03-23 | 2021-06-18 | 山东金宜善新材料有限公司 | Sodium sulfite absorption tower device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110209 Termination date: 20110519 |