CN204134453U - A kind of cost-effective nox adsorption tower - Google Patents
A kind of cost-effective nox adsorption tower Download PDFInfo
- Publication number
- CN204134453U CN204134453U CN201420550871.6U CN201420550871U CN204134453U CN 204134453 U CN204134453 U CN 204134453U CN 201420550871 U CN201420550871 U CN 201420550871U CN 204134453 U CN204134453 U CN 204134453U
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- CN
- China
- Prior art keywords
- slurry pool
- main slurry
- tower body
- cost
- main
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- 238000001179 sorption measurement Methods 0.000 title claims abstract description 13
- 239000002002 slurry Substances 0.000 claims abstract description 70
- 239000007788 liquid Substances 0.000 claims abstract description 24
- 239000007921 spray Substances 0.000 claims abstract description 17
- 230000003647 oxidation Effects 0.000 claims abstract description 13
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 13
- 239000000706 filtrate Substances 0.000 claims abstract description 4
- 238000004891 communication Methods 0.000 claims abstract description 3
- 238000005507 spraying Methods 0.000 claims description 6
- 238000003756 stirring Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 239000007789 gas Substances 0.000 description 13
- 238000000034 method Methods 0.000 description 9
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 8
- 238000010521 absorption reaction Methods 0.000 description 7
- GQPLMRYTRLFLPF-UHFFFAOYSA-N Nitrous Oxide Chemical compound [O-][N+]#N GQPLMRYTRLFLPF-UHFFFAOYSA-N 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 4
- 238000003916 acid precipitation Methods 0.000 description 4
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 2
- 239000003546 flue gas Substances 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000003009 desulfurizing effect Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000002673 intoxicating effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 210000002966 serum Anatomy 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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- Treating Waste Gases (AREA)
- Gas Separation By Absorption (AREA)
Abstract
The utility model relates to a kind of cost-effective nox adsorption tower, and tower body bottom is provided with air inlet, and top is provided with gas outlet; Be provided with main slurry pool in tower body, main slurry pool is arranged on below air inlet, is provided with auxiliary slurry pool outside tower body, by pipeline communication between auxiliary slurry pool and main slurry pool, is provided with cut-out cock in pipeline; Be provided with even gas distribution device above air inlet in tower body, be provided with the absorbed layer for absorbing NOx above even gas distribution device, above absorbed layer, be provided with liquid uniform device, be provided with spray equipment above liquid uniform device, between spray equipment and gas outlet, be provided with demister; Spray equipment is connected with main slurry pool by circulation slurry pump; Be provided with agitator in main slurry pool, main slurry pool is connected with oxidation fan; Main slurry pool is connected with liquid return tank by excavationg pump, and liquid return tank is connected with auxiliary slurry pool by filtrate pump.The utility model not only removal efficiency is high, and the Efficient Cycle achieving resource utilizes, and reduces production cost.
Description
Technical field
The utility model relates to a kind of absorption tower, especially relates to a kind of cost-effective nox adsorption tower.
Background technology
SO
2and NO
xtwo kinds of dusty gas that discharge capacity is maximum, harmfulness is maximum, SO
2and NO
xbe the material of main generation Acid Rain Pollution, nitrogen oxide also can form photochemical pollution, produces greenhouse effects, damages the ozone layer, have intoxicating effect to human body.In recent years, the air nitrous oxides concentration of some megapolis of China exceeds standard, the environmental carrying capacity of nitrogen oxide is in saturation state substantially, some places even produce photochemical fog phenomenon, in China's acid precipitation, nitrate anion and sulfate ion concentration ratio have been developed into the 0.258:1 of 2008 by the 0.15:1 of 2000, show China future Acid Rain Pollution may by by sulfuric acid type to the compound development of sulfuric acid/nitric acid, control SO
2and NO
xdischarge be extremely urgent.
NO
xbe the general designation of nitrogen oxide, comprise N
2o, NO, N
2o
3, NO
2, N
2o
5deng, the SO of chemical fuel combustion process discharge
2and NO
x, form acid rain and other secondary pollutions, badly influenced production and the life of the mankind.Therefore, SO
2and NO
xcontrol and elimination extremely urgent, most important, be related to the sustainable development of national economy.Traditional desulfurizing and denitrifying process needs classification to carry out, and there is the shortcomings such as investment is high, floor space large, system complex.Therefore, developmental research technique nox adsorption tower tool that is simple, reliable, economical and practical, that be applicable to China's national situation is of great significance.
Utility model content
In order to overcome the deficiency that prior art exists, the nox adsorption tower that the utility model provides that a kind of structure is simple, removal efficiency is high, can realize resource circulation utilization, cost is low.
A kind of cost-effective nox adsorption tower, comprise tower body, side, described tower body bottom is provided with air inlet, and top opposite side is provided with gas outlet; Be provided with main slurry pool in described tower body, described main slurry pool is arranged on below air inlet, is provided with auxiliary slurry pool outside described tower body, by pipeline communication between described auxiliary slurry pool and main slurry pool, is provided with cut-out cock in described pipeline; Even gas distribution device is provided with above air inlet in described tower body, the absorbed layer for absorbing NOx is provided with above even gas distribution device, be provided with liquid uniform device above described absorbed layer, be provided with spray equipment above described liquid uniform device, between described spray equipment and gas outlet, be provided with demister; Described spray equipment is connected with main slurry pool by circulation slurry pump; Be provided with agitator in described main slurry pool, main slurry pool is connected with oxidation fan; Described main slurry pool is connected with liquid return tank by excavationg pump, and described liquid return tank is connected with auxiliary slurry pool by filtrate pump.
As preferably, the spraying layer quantity of spray equipment is two-layer, every layer of spraying layer corresponding circulation slurry pump respectively; The quantity of described demister is two-layer.Double layers of sprinkling, double-deck demist, effectively can promote the treatment effect of absorption and demist aspect.
As preferably, be provided with oxidation pipe network or playpipe in described main slurry pool, described oxidation pipe network or playpipe are connected with oxidation fan.
As preferably, described agitator adopts side stir device.
As preferably, the top of auxiliary slurry pool is connected by pipeline is oblique with between main slurry pool bottom.
The utility model structure is simple, absorbing liquid in main slurry pool can be supplemented by auxiliary slurry pool, absorb the absorbing liquid after process and can enter recovery pond from main slurry pool discharge, liquid in recovery pond can reuse in auxiliary slurry pool, not only can ensure the pH scope of absorbing liquid in absorption process well, realize removal efficiency more than 99%; And the Efficient Cycle achieving resource utilizes, and reduces production cost.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail, but protection domain of the present utility model is not limited to this.
With reference to Fig. 1, a kind of cost-effective nox adsorption tower, comprises tower body 1, and side, described tower body bottom is provided with air inlet 2, and top opposite side is provided with gas outlet 3; Main slurry pool 4 is provided with in described tower body, described main slurry pool 4 is arranged on below air inlet 2, auxiliary slurry pool 5 is provided with outside described tower body 1, be communicated with by pipeline 6 between described auxiliary slurry pool 5 with main slurry pool 4, cut-out cock 7 is provided with in described pipeline 6, slurries can be supplemented in main slurry pool when needs, and its flow and flow velocity can be controlled; Be provided with even gas distribution device 8 above air inlet 2 in described tower body 1, can carry out uniform to the pending gas entered, improve and absorb treatment effect; Be provided with the absorbed layer 9 for absorbing NOx above even gas distribution device 8, above described absorbed layer 9, be provided with liquid uniform device 10, can carry out uniform to absorbing liquid, expand absorption area, improve and absorb treatment effect; Be provided with spray equipment 11 above described liquid uniform device 10, between described spray equipment 11 and gas outlet 3, be provided with demister 12; The spraying layer quantity of spray equipment 11 is two-layer, and the quantity of demister 12 is two-layer, double layers of sprinkling, double-deck demist, effectively can promote the treatment effect of absorption and demist aspect.Described spray equipment 11 is connected with main slurry pool 4 by circulation slurry pump 13, and every layer of spraying layer corresponding circulation slurry pump respectively, be provided with agitator 14 in described main slurry pool 4, described agitator adopts side stir device.
Described main slurry pool 4 is connected with oxidation fan 16, and be provided with oxidation pipe network or playpipe 15 in main slurry pool 4, described oxidation pipe network or playpipe 15 are connected with oxidation fan 16.Described main slurry pool 4 is connected with liquid return tank 18 by excavationg pump 17, and described liquid return tank 18 is connected with auxiliary slurry pool 5 by filtrate pump 19.The top of described auxiliary slurry pool 5 is connected by pipeline is oblique with between main slurry pool 4 bottom.
Flue gas enters in the tower body of absorption tower from the air inlet 2 on absorption tower, absorbed layer 9 is entered after even gas distribution device 8 processes, absorbing liquid is under circulation slurry pump 13 acts on, enter spray equipment 11 by main slurry pool 4 to spray, the absorbing liquid sprayed fully contacts with the gas of rising at absorbed layer after liquid uniform device 10 processes, remove process to wherein nitrogen oxide and sulfide, the flue gas after process is discharged by gas outlet 3 after demister 12 processes again; Wherein, when the serum density in main slurry pool 4 is higher than setting value, slurries are discharged from main slurry pool 4 by excavationg pump 17, and the slurries in main slurry pool 4 are filled into by connecting pipe 6 by auxiliary slurry pool 5.
Claims (5)
1. a cost-effective nox adsorption tower, comprises tower body, and side, described tower body bottom is provided with air inlet, and top opposite side is provided with gas outlet; It is characterized in that: be provided with main slurry pool in described tower body, described main slurry pool is arranged on below air inlet, is provided with auxiliary slurry pool outside described tower body, by pipeline communication between described auxiliary slurry pool and main slurry pool, is provided with cut-out cock in described pipeline; Even gas distribution device is provided with above air inlet in described tower body, the absorbed layer for absorbing NOx is provided with above even gas distribution device, be provided with liquid uniform device above described absorbed layer, be provided with spray equipment above described liquid uniform device, between described spray equipment and gas outlet, be provided with demister; Described spray equipment is connected with main slurry pool by circulation slurry pump; Be provided with agitator in described main slurry pool, main slurry pool is connected with oxidation fan; Described main slurry pool is connected with liquid return tank by excavationg pump, and described liquid return tank is connected with auxiliary slurry pool by filtrate pump.
2. cost-effective nox adsorption tower according to claim 1, is characterized in that: the spraying layer quantity of spray equipment is two-layer, every layer of spraying layer corresponding circulation slurry pump respectively; The quantity of described demister is two-layer.
3. cost-effective nox adsorption tower according to claim 1, is characterized in that: be provided with oxidation pipe network or playpipe in described main slurry pool, described oxidation pipe network or playpipe are connected with oxidation fan.
4. cost-effective nox adsorption tower according to claim 1, is characterized in that: described agitator adopts side stir device.
5. cost-effective nox adsorption tower according to claim 1, is characterized in that: the top of auxiliary slurry pool is connected by pipeline is oblique with between main slurry pool bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420550871.6U CN204134453U (en) | 2014-09-24 | 2014-09-24 | A kind of cost-effective nox adsorption tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420550871.6U CN204134453U (en) | 2014-09-24 | 2014-09-24 | A kind of cost-effective nox adsorption tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204134453U true CN204134453U (en) | 2015-02-04 |
Family
ID=52411171
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420550871.6U Expired - Lifetime CN204134453U (en) | 2014-09-24 | 2014-09-24 | A kind of cost-effective nox adsorption tower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204134453U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106076102A (en) * | 2016-08-16 | 2016-11-09 | 金川集团股份有限公司 | A kind of process condenses the device and method of nitrogen oxides in acid |
-
2014
- 2014-09-24 CN CN201420550871.6U patent/CN204134453U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106076102A (en) * | 2016-08-16 | 2016-11-09 | 金川集团股份有限公司 | A kind of process condenses the device and method of nitrogen oxides in acid |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 311228 Linjiang Industrial Park, Xiaoshan District, Zhejiang, Hangzhou Patentee after: Zhejiang DINGLONG Technology Co.,Ltd. Address before: 311228 Linjiang Industrial Park, Xiaoshan District, Zhejiang, Hangzhou Patentee before: ZHEJIANG DINGLONG TECHNOLOGY Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CX01 | Expiry of patent term |
Granted publication date: 20150204 |