CN204841380U - SOx/NOx control integration system - Google Patents
SOx/NOx control integration system Download PDFInfo
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- CN204841380U CN204841380U CN201520529381.2U CN201520529381U CN204841380U CN 204841380 U CN204841380 U CN 204841380U CN 201520529381 U CN201520529381 U CN 201520529381U CN 204841380 U CN204841380 U CN 204841380U
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- desulfurization
- tank
- oxidation
- spray equipment
- absorbent
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Abstract
The utility model discloses a SOx/NOx control integration system, the oxidant circulation jar, absorbent jar and the desulfurization circulation jar that include the absorption tower and connect with it, the absorption tower embeds desulfurization spray set, branch liquid device, oxidation spray set, absorbs high -pressure spray set, demister washing device and defroster. System area is little, and investment and running cost are low, and system's desulfurization efficiency can reach more than 98%, and denitration efficiency can reach more than 70%, and is unstable to the operating mode, and exhaust gas temperature changes bigger industrial boiler and the kiln has fine application prospect, and investment and running cost are low, and desulfurization denitration efficiency is high, is particularly suitable for the operating mode unstability, and exhaust gas temperature changes bigger industrial boiler and kiln.
Description
Technical field
The utility model relates to desulphurization denitration treatment technology, belongs to field of Environment Protection, particularly relates to a kind of desulfurization and denitrification integral system.
Background technology
" 12 " period, China includes NOx in region overall control category as the binding indicator.
In existing denitration technology, the technology such as the selective catalytic reduction technique of main method (SCR), SNCR technology (SNCR), wet process complex absorption techniques, liquid phase oxidation-absorption techniques, gaseous oxidation-absorption.
At present, the denitration technology that industrial employing is more is selective catalytic reduction.But this method is unstable to operating mode, the large Industrial Boiler of exhaust gas temperature change and kiln inapplicable.More than NOx90% in industrial smoke is that NO, NO are insoluble in water, and conventional liq absorption process is very poor to its removal effect; If utilize strong oxidizer that NO partial oxidation is become NOx soluble in water, then utilize absorbent to absorb NOx, good removal effect can be reached.
Summary of the invention
The purpose of this utility model is to provide a kind of desulfurization and denitrification integral system, effectively solves the problems of the technologies described above.
For effectively solving the problems of the technologies described above, the technical scheme that the utility model is taked is as follows:
Desulfurization and denitrification integral system, comprise absorption tower and the Recycling of oxidize tank be attached thereto, absorbent tank and desulphurization circulating tank, the built-in desulfurization spray equipment in described absorption tower, liquid distributing device, oxidation spray equipment, absorption high-pressure spray device, mist eliminator flushing device and demister.
Especially, described desulfurization spray equipment is communicated with described desulphurization circulating tank, and is provided with desulfuration recycle pump between described desulfurization spray equipment and described desulphurization circulating tank.
Especially, described liquid distributing device and oxidation spray equipment are communicated with described Recycling of oxidize tank respectively, and are provided with oxidation cycle pump between described oxidation spray equipment and described Recycling of oxidize tank.
Especially, described absorption high-pressure spray device is communicated with described absorbent tank, and is provided with absorbent supply pump between described absorption high-pressure spray device and described absorbent tank.
Especially, the built-in agitator of described desulphurization circulating tank, and an external oxidation fan.
The beneficial effects of the utility model are: the desulfurization and denitrification integral system that the utility model provides, system footprint area is little, investment and operating cost low, system desulfuration efficiency can reach more than 98%, denitration efficiency can reach more than 70%, unstable to operating mode, the large Industrial Boiler of exhaust gas temperature change and kiln have good application prospect.
Below in conjunction with accompanying drawing, the utility model is described in detail.
Accompanying drawing explanation
Fig. 1 is desulfurization and denitrification integral system described in the utility model composition structural representation.
Detailed description of the invention
Embodiment 1:
In the present embodiment, the composition original paper of described conventional known structure and composition do not make marks in the drawings and do not do explanatory note and display.
As shown in Figure 1, desulfurization and denitrification integral system disclosed in the present embodiment, comprise absorption tower 1 and the Recycling of oxidize tank 5 be attached thereto, absorbent tank 6 and desulphurization circulating tank 2, the built-in desulfurization spray equipment 10 in described absorption tower 1, liquid distributing device 11, oxidation spray equipment 12, absorption high-pressure spray device 13, mist eliminator flushing device 14 and demister 15.
Described desulfurization spray equipment 10 is communicated with described desulphurization circulating tank 2, and is provided with desulfuration recycle pump 7 between described desulfurization spray equipment 10 and described desulphurization circulating tank 2.Described liquid distributing device 11 and oxidation spray equipment 12 are communicated with described Recycling of oxidize tank 5 respectively, and are provided with oxidation cycle pump 8 between described oxidation spray equipment 11 and described Recycling of oxidize tank 5.Described absorption high-pressure spray device 13 is communicated with described absorbent tank 6, and is provided with absorbent supply pump 9 between described absorption high-pressure spray device 13 and described absorbent tank 6.The built-in agitator 3 of described desulphurization circulating tank 2, and an external oxidation fan 4.
Applicant states, person of ordinary skill in the field is on the basis of above-described embodiment, by above-described embodiment step, combined with the technical scheme of utility model content part, thus the new method produced, also be one of record scope of the present utility model, the application, for making description simple and clear, no longer enumerates other embodiment of these steps.
The technology path being different from prior art in the present embodiment is:
The desulfurization and denitrification integral system provided in the present embodiment, comprises the auxiliary devices such as absorption tower 1, desulphurization circulating tank 2, Recycling of oxidize tank 5, absorbent tank 6.
Comprise desulfurization spray equipment 10, liquid distributing device 11, oxidation spray equipment 12 in absorption tower from bottom to top, absorb high-pressure spray device 13, mist eliminator flushing device 14 and demister 15, desulfurization spray equipment 10 is connected with desulphurization circulating tank 2 via desulfuration recycle pump 7.Oxidation spray equipment 12 is connected with Recycling of oxidize tank 5 via oxidation cycle pump 8, and the slurries that liquid distributing device is collected get back to Recycling of oxidize tank 5.Absorb high-pressure spray device 13 to be connected with absorbent tank 6 via absorbent supply pump 9.The external fresh water (FW) of mist eliminator flushing device 14, demister 15. is rinsed in timing
The utility model comprises desulfurization zone and oxidative absorption district, each self-forming independently circulatory system.The desulfurizing agent that desulfurization zone adopts is lime or lime stone (adopt during magnesia and do not add oxidation fan and oxidation air distributor pipe), and the oxidant that oxidative absorption district adopts is sodium chlorite, and its mass percent concentration is 0.5%, and absorbent adopts liquid caustic soda.Flue gas enters absorption tower 1 via air-introduced machine from absorption tower inlet flue duct, contacts, remove SO2 with the desulfurization slurry sprayed into from desulfurization spray equipment 10 in absorption tower.NO in flue gas, through liquid distributing device 11 and the slurry liquid contacts carrying out autoxidation spray equipment 12, is oxidized to NOx by the flue gas after desulfurization.Flue gas after oxidation contacts with the absorbent carrying out self-absorption high-pressure spray device 13 again, absorbs NOx.Flue gas after purification enters chimney qualified discharge after dewatering via demister 15.
The another statement of applicant, the utility model illustrates implementation method of the present utility model and apparatus structure by above-described embodiment, but the utility model is not limited to above-mentioned embodiment, namely do not mean that the utility model must rely on said method and structure could be implemented.Person of ordinary skill in the field should understand; to any improvement of the present utility model; implementation method equivalence selected by the utility model is replaced and the interpolation of step, concrete way choice etc., all drops within protection domain of the present utility model and open scope.
The utility model is not limited to above-mentioned embodiment, and all employings and the utility model analog structure and method thereof realize all embodiments of the utility model object all within the utility model protection domain.
Claims (5)
1. desulfurization and denitrification integral system, it is characterized in that, comprise absorption tower and the Recycling of oxidize tank be attached thereto, absorbent tank and desulphurization circulating tank, the built-in desulfurization spray equipment in described absorption tower, liquid distributing device, oxidation spray equipment, absorption high-pressure spray device, mist eliminator flushing device and demister.
2. desulfurization and denitrification integral system according to claim 1, is characterized in that, described desulfurization spray equipment is communicated with described desulphurization circulating tank, and is provided with desulfuration recycle pump between described desulfurization spray equipment and described desulphurization circulating tank.
3. desulfurization and denitrification integral system according to claim 1, is characterized in that, described liquid distributing device and oxidation spray equipment are communicated with described Recycling of oxidize tank respectively, and are provided with oxidation cycle pump between described oxidation spray equipment and described Recycling of oxidize tank.
4. desulfurization and denitrification integral system according to claim 1, is characterized in that, described absorption high-pressure spray device is communicated with described absorbent tank, and is provided with absorbent supply pump between described absorption high-pressure spray device and described absorbent tank.
5. desulfurization and denitrification integral system according to claim 1, is characterized in that, the built-in agitator of described desulphurization circulating tank, and an external oxidation fan.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520529381.2U CN204841380U (en) | 2015-07-21 | 2015-07-21 | SOx/NOx control integration system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520529381.2U CN204841380U (en) | 2015-07-21 | 2015-07-21 | SOx/NOx control integration system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204841380U true CN204841380U (en) | 2015-12-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520529381.2U Expired - Fee Related CN204841380U (en) | 2015-07-21 | 2015-07-21 | SOx/NOx control integration system |
Country Status (1)
| Country | Link |
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| CN (1) | CN204841380U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107433113A (en) * | 2017-08-12 | 2017-12-05 | 浙江千尧环境工程有限公司 | A kind of desulphurization denitration absorption tower |
-
2015
- 2015-07-21 CN CN201520529381.2U patent/CN204841380U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107433113A (en) * | 2017-08-12 | 2017-12-05 | 浙江千尧环境工程有限公司 | A kind of desulphurization denitration absorption tower |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP02 | Change in the address of a patent holder |
Address after: Tongzi high tech Development Zone in Hunan province Changsha Po Road 410000 No. 229 Lugu International Industrial Park A-7 Building No. 408 Patentee after: Changsha Hong Fu green technology Co., Ltd Address before: 1610, room 398, Maira building, 410000 Jinxing Road, West Lake street, Changsha, Hunan, Yuelu District Patentee before: Changsha Hong Fu green technology Co., Ltd |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151209 Termination date: 20170721 |