CN201061752Y - Absorptive tower for the desulfurization of flue gas using printing and dyeing wastewater - Google Patents
Absorptive tower for the desulfurization of flue gas using printing and dyeing wastewater Download PDFInfo
- Publication number
- CN201061752Y CN201061752Y CNU2007200380858U CN200720038085U CN201061752Y CN 201061752 Y CN201061752 Y CN 201061752Y CN U2007200380858 U CNU2007200380858 U CN U2007200380858U CN 200720038085 U CN200720038085 U CN 200720038085U CN 201061752 Y CN201061752 Y CN 201061752Y
- Authority
- CN
- China
- Prior art keywords
- flue gas
- tower body
- waste water
- absorption tower
- printing
- 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
Links
Images
Landscapes
- Treating Waste Gases (AREA)
Abstract
The utility model relates to a desulphurization absorbing tower for printing and dyeing wastewater and flue gas, comprising a tower body, wherein the upper end of the tower body is provided with an air outlet of which the outer side is provided with a draught fan, and the upper side inside the tower body is provided with two layers of demisting layers. The lower side of the demisting layers is provided with two layers of spraying layers, the lower side of the tower body is provided with a smoke inlet, and the bottom portion of the tower body is provided with an overflow port. The beneficial effects of the utility model are that the printing and dyeing wastewater is employed to remove SO2 in the flue gas by the absorbing tower, which not only enables the flue gas to be discharged at the requested drainage standard, but also saving sulfuric acid which is added in when the printing and dyeing wastewater is discharged, and the chemical oxygen consumption (COD) after the printing and dyeing wastewater is desulfurized can be largely decreased, thereby being favorable for further treatment of the printing and dyeing wastewater at a sewage treatment station, enabling the wastewater and waste gas to gain comprehensive treatment, largely reducing the pollution costs and increasing the economical benefits of enterprises. And the enterprises are stimulated to self-consciously carry out treatment to the wastewater and waste gas, which is favorable for saving resources and protecting the environment.
Description
Technical field
The utility model relates to waste water and gas treatment facility technical field, relates in particular to the dyeing waste water fume desulfurating absorption tower.
Background technology
China is to be the country of main energy sources with the coal, year discharging sulfur dioxide (SO
2) amount reaches more than 2,000 ten thousand tons, reduces discharging SO
2It is current urgent task.
Wet desulphurization is one of present common method.For medium small boiler, the equipment that its flue gas desulfurization is adopted generally is the absorption tower, adopts sodium alkali desulfurization, reduced investment.Yet, for some medium-sized and small enterprises, even if the most economical, because soda such as caustic soda (containing 30%NaHO) and soda ash (NaCO
3) price is higher, makes the operating cost height of desulfurization, influenced it and practiced, and is unfavorable to the protection environment.
At the same time, the soda spent lye that contains that printing and dyeing mill discharges in the operations such as process such as preliminary treatment, dyeing, stamp, arrangement of printing and dyeing (floats refining workshop pH12～13; Workshop pH9.5～10 of dying cloth; Yarn dyeing workshop pH9.5～10) just can discharge after must treatedly reaching discharge index.General printing and dyeing mill is transported to Sewage Disposal with this spent lye and handles, and Sewage Disposal is collected sewage disposal expense by the pH value height of spent lye to the discharging unit.The pH value of spent lye high charge more is high more.If the discharging unit reduces the pH value of spent lye, then can reduce charges for disposing pollutants greatly before discharging.
So, if the flue gas of above-mentioned sulfur-bearing can be fully utilized with the dyeing waste water that contains soda, reaching treatment of wastes with processes of wastes against one another purpose, foundation has the crucial realistic meaning that has at a kind of environmental protection of miniature boiler desulfurization, the absorption tower of resource-conserving.
Summary of the invention
The purpose of this utility model is to design that a kind of flue gas and dyeing waste water of containing soda with sulfur-bearing fully utilized, the treatment of wastes with processes of wastes against one another and the absorption tower is handled in the dyeing waste water flue gas desulfurization that designs, and it is achieved through the following technical solutions:
Comprise a tower body, wherein the upper end of tower body is provided with the gas outlet, and the outside, gas outlet is equipped with air-introduced machine, and upside is provided with two layers of demist layer in the tower body, is provided with two layers of spraying layer at described demist layer downside, and the tower body downside is provided with into mouth, and the tower body bottom is provided with overfall.
Described overfall is a U type fluid pipeline.
The plurality of nozzles that is equipped with shower in the described spraying layer and is attached thereto.
Be equipped with eddy flow plate demister in the described demist layer.
Described eddy flow plate demister is made of blade, blind plate, cover tube, ring flat-plate, and cover tube is connected with ring flat-plate, and blind plate places the center of cover tube, and some blades are distributed in the annular space between blind plate and the cover tin, and its dual-side tin is connected with covering with blind plate respectively.
The quantity of described blade is 24～84, blade angle of elevation alpha=25 °, and the described blade elevation angle is the angle of blade plane and horizontal plane.
The relation of described blind plate Dm and absorption tower diameter Dx is: Dm=(0.30～0.33) Dx.
The beneficial effects of the utility model are: utilize dyeing waste water to remove SO in the flue gas by the absorption tower
2Both can make the flue gas qualified discharge; the sulfuric acid that will add in the time of can saving the discharging dyeing waste water again; and the chemical oxygen consumption (COC) after the dyeing waste water desulfurization (COD) also can significantly reduce, and helps the further processing of dyeing waste water at Sewage Disposal, makes waste water and waste gas obtain the comprehensive regulation; greatly reduce the pollution treatment cost; promoted economic benefit of enterprises, promoted the improvement of the conscious enforcement of enterprise, helped economizing on resources and environmental protection waste water and gas.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is an eddy flow plate demister structural representation.
Fig. 3 is the vertical view of eddy flow plate demister structural representation shown in Figure 2.
Fig. 4 is the B-B profile in the vertical view shown in Figure 2.
Among the figure, 1 absorption tower, 2 gas outlets, 3 air-introduced machines, 4,5 demist layers, 6,7 spraying layers, 9,10 spray pipings, 11,12 nozzles, 13 advance mouth, 14 overfalls, 20 eddy flow plate demisters, 21 blades, 22 blind plates, 23 cover tubes, 24 ring flat-plates.
The specific embodiment
The utility model is described in further detail below in conjunction with drawings and Examples.
See also Fig. 1, the upper end on absorption tower 1 wherein is provided with, gas outlet 2 is built-in with air-introduced machine 3, upside is provided with two layers of demist layer 4,5 in the tower body, be provided with two layers of spraying layer 6,7 at this two-layer demist layer downside, be equipped with spray piping 9,10 respectively in these two layers of spraying layers, they connect with corresponding nozzle 11,12 respectively, the tower body downside is provided with into mouth 13, and the tower body bottom is provided with overfall 14.Be equipped with eddy flow plate demister 20 respectively in two layers of demist layer 4,5, this eddy flow plate demister is made of blade 21, blind plate 22, cover tube 23, ring flat-plate 24, sees also Fig. 2, Fig. 3.Cover tube 3 is connected with ring flat-plate 4, and blind plate places the center of cover tube, and blade is distributed in the annular space between blind plate and the cover tin, and the dual-side of each blade tin is connected with covering with blind plate respectively, and blade plane becomes a α elevation angle with horizontal plane, see also Fig. 4.Be connected with spiral nozzle 11,12 respectively on the shower 9,10 on two layers of spraying layer.
Tower diameter D=3.6～the 3.8m on the absorption tower 1 of present embodiment,, ring flat-plate 4 its diameter Dx=3.4m of eddy flow plate demister get blind plate diameter Dm=0.33Dx=1.1m, adopt 84 blades 1, blade angle of elevation alpha=25 °.
When work in absorption tower 1, dyeing waste water is by being pumped to the shower 9,10 that is positioned at absorption tower 1 upside, and waste water is sprayed downwards by 12 nozzles that are connected with this shower, and the spent lye spray is dispersed into drop.
Simultaneously the boiler smoke of CFBB is introduced by the mouth that advances of absorption tower 1 downside, the flue gas ascension that makes progress, and the dyeing waste water under with spray contacts, and carries out neutralization reaction and desulfurization.Flue gas after the desulfurization enters chimney by air-introduced machine after the demist of eddy flow plate demister.The dyeing waste water contacted with flue gas falls into absorption tower body bottom at last, forms doctor solution.Doctor solution flows to the desulfurization liquid pool in 1 outside, absorption tower through overfall 14, is transported to Sewage Disposal by pump and carries out wastewater treatment, as aeration processing etc., discharges after reaching requirement.Overfall 14 is U type fluid pipelines, and the overfall of this structure can not be escaped flue gas.
As the tower diameter D=2.5～2.6m on absorption tower 1, the diameter Dx=2.4m of the ring flat-plate 4 of eddy flow plate demister gets blind plate diameter Dm=0.30Dx=0.72m, adopts 42 blades 1, blade angle of elevation alpha=25 °.
As the tower diameter D=1.5m of absorption tower T101, ring flat-plate 4 its diameter Dx=1.4m of eddy flow plate demister get blind plate diameter Dm=0.32Dx=0.45m, adopt 24 blades 1, blade angle of elevation alpha=25 °.
Claims (7)
1. with the absorption tower of dyeing waste water to flue gas desulfurization, comprise a tower body, the upper end that it is characterized in that tower body is provided with the gas outlet, the outside, gas outlet is equipped with air-introduced machine, upside is provided with two layers of demist layer in the tower body, be provided with two layers of spraying layer at described demist layer downside, the tower body downside is provided with into mouth, and the tower body bottom is provided with overfall.
2. according to claim 1 with the absorption tower of dyeing waste water to flue gas desulfurization, it is characterized in that described overfall is a U type fluid pipeline.
3. according to claim 1 with the absorption tower of dyeing waste water to flue gas desulfurization, it is characterized in that the plurality of nozzles that is equipped with shower in the described spraying layer and is attached thereto.
4. according to claim 1 with the absorption tower of dyeing waste water to flue gas desulfurization, it is characterized in that being equipped with in the described demist layer eddy flow plate demister.
5. according to claim 4 with the absorption tower of dyeing waste water to flue gas desulfurization, it is characterized in that described eddy flow plate demister is made of blade, blind plate, cover tube, ring flat-plate, the cover tube is connected with ring flat-plate, blind plate places the center of cover tube, some blades are distributed in the annular space between blind plate and the cover tube, and its dual-side tin is connected with blind plate and cover respectively.
It is 6. according to claim 5 that the quantity that it is characterized in that described blade is 24～84 with the absorption tower of dyeing waste water to flue gas desulfurization, blade angle of elevation alpha=25 °, and the described blade elevation angle is the angle of blade plane and horizontal plane.
7. according to claim 5 with the absorption tower of dyeing waste water to flue gas desulfurization, it is characterized in that the relation of described blind plate Dm and absorption tower diameter Dx is: Dm=(0.30～0.33) Dx.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200380858U CN201061752Y (en) | 2007-05-30 | 2007-05-30 | Absorptive tower for the desulfurization of flue gas using printing and dyeing wastewater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200380858U CN201061752Y (en) | 2007-05-30 | 2007-05-30 | Absorptive tower for the desulfurization of flue gas using printing and dyeing wastewater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201061752Y true CN201061752Y (en) | 2008-05-21 |
Family
ID=39450120
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200380858U Expired - Fee Related CN201061752Y (en) | 2007-05-30 | 2007-05-30 | Absorptive tower for the desulfurization of flue gas using printing and dyeing wastewater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201061752Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101804290A (en) * | 2010-04-20 | 2010-08-18 | 上海电力学院 | Absorption tower for denitrating flue gas by using bleaching effluent and denitrating method thereof |
| CN101091874B (en) * | 2007-05-30 | 2010-09-22 | 江苏正通宏泰股份有限公司 | Method for flue gas desulfurization by using dyeing wastewater, and absorption tower |
| CN103570113A (en) * | 2013-10-16 | 2014-02-12 | 韶关市顺昌布厂有限公司 | Method and system for recycling textile waste water |
| CN113184932A (en) * | 2021-04-26 | 2021-07-30 | 武汉天空蓝环保科技有限公司 | Utilize flue gas evaporative concentration device and desulfurization effluent disposal system |
-
2007
- 2007-05-30 CN CNU2007200380858U patent/CN201061752Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101091874B (en) * | 2007-05-30 | 2010-09-22 | 江苏正通宏泰股份有限公司 | Method for flue gas desulfurization by using dyeing wastewater, and absorption tower |
| CN101804290A (en) * | 2010-04-20 | 2010-08-18 | 上海电力学院 | Absorption tower for denitrating flue gas by using bleaching effluent and denitrating method thereof |
| CN101804290B (en) * | 2010-04-20 | 2012-07-25 | 上海电力学院 | Absorption tower for denitrating flue gas by using bleaching effluent and denitrating method thereof |
| CN103570113A (en) * | 2013-10-16 | 2014-02-12 | 韶关市顺昌布厂有限公司 | Method and system for recycling textile waste water |
| CN113184932A (en) * | 2021-04-26 | 2021-07-30 | 武汉天空蓝环保科技有限公司 | Utilize flue gas evaporative concentration device and desulfurization effluent disposal system |
| CN113184932B (en) * | 2021-04-26 | 2022-03-29 | 武汉天空蓝环保科技有限公司 | Utilize flue gas evaporative concentration device and desulfurization effluent disposal system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101091874B (en) | Method for flue gas desulfurization by using dyeing wastewater, and absorption tower | |
| CN105964124A (en) | Rotary spraying dust removal and desulfurization device | |
| CN201061752Y (en) | Absorptive tower for the desulfurization of flue gas using printing and dyeing wastewater | |
| CN1597059A (en) | Twin-tower circulation washing and suction smoke and desulfurization method for waste water of power plant boiler | |
| CN103480260B (en) | Wet flue gas desulphurization technology by utilization of ethylene waste lye | |
| CN205760566U (en) | Spiral-flow type water film desulfurization device | |
| CN105964081A (en) | Small-sized multilayer dust removal and desulfurization device | |
| CN102527219A (en) | Smoke gas wet method sulfur removal and dust removal integral treatment system | |
| CN201458785U (en) | Purified acid wastewater degasser | |
| CN2376992Y (en) | Turbulent flue gas purifying tower | |
| CN103691294A (en) | Device and technology for wet-type double-alkali method-based desulphurization and dedusting | |
| CN203355601U (en) | Device for treating sulfur dioxide flue gas by utilizing saponified wastewater | |
| CN202113768U (en) | Circulating desulfurizing reaction tower for waste alkali liquor | |
| CN216259979U (en) | Industrial kiln flue gas utilizes aerobic nitrobacteria group denitration treatment system of alkalophilic | |
| CN201565160U (en) | Anaerobic methane gas-liquid separation deaeration device | |
| CN204973533U (en) | Cold rolled stainless steel pickling exhaust purification system | |
| CN210728993U (en) | Cylindrical bubble film flue gas purification box | |
| CN211069538U (en) | Spraying device for treating flue gas of biomass burner | |
| CN106268231A (en) | A kind of dust-removal and desulfurizing denitrification integrated device | |
| CN202485019U (en) | Multifunctional boiler smoke processing device | |
| CN201380042Y (en) | Device for removing sulfur dioxide in flue gas of industrial coal-fired boiler with wet method | |
| CN211513943U (en) | Circulating dust removal device for solid waste treatment of nuclear power station | |
| CN211384408U (en) | Spiral-flow type water film desulfurization dust collecting equipment | |
| CN213132299U (en) | Draught fan blade anti-corrosion structure of incinerator tail gas treatment device | |
| CN209735330U (en) | novel desulfurization device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: JIANGSU ZHENGTONG HONGTAI CO., LTD. Free format text: FORMER OWNER: HU JUNHUA Effective date: 20100528 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20100528 Address after: 212345 Yunyang Industrial Park, Jiangsu, Danyang Patentee after: Jiangsu Zhengtong Hongtai Incorporated Company Address before: 212345 Yunyang Industrial Park, Jiangsu, Danyang Patentee before: Hu Junhua |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080521 Termination date: 20140530 |