CN203540319U - Pre-charge spraying, desulfurizing and dust-removing device - Google Patents
Pre-charge spraying, desulfurizing and dust-removing device Download PDFInfo
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- CN203540319U CN203540319U CN201320642953.9U CN201320642953U CN203540319U CN 203540319 U CN203540319 U CN 203540319U CN 201320642953 U CN201320642953 U CN 201320642953U CN 203540319 U CN203540319 U CN 203540319U
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Abstract
The utility model discloses a pre-charge spraying, desulfurizing and dust-removing device which is applied to the technical field of desulfurization and dust removal of coal-fired flue gas. The pre-charge spraying, desulfurizing and dust-removing device comprises a tower body, wherein a gas inlet pipe and a liquid outlet pipe are connected with the bottom of the tower body; an exhaust pipe is connected with the top corresponding to the tower body; a plurality of spraying nozzles are mounted inside the tower body; a pre-charge needle is mounted at the front end of each spraying head; each pre-charge needle is connected with a high-voltage power source through a cable; a high-pressure air pipeline is connected to a shower header of each spraying head; the high-pressure air pipeline is connected with a high-pressure air compressor; the spraying heads are connected with an absorption liquid pipeline; a valve is arranged on the absorption liquid pipeline and is connected with an absorption liquid transmission pump; the absorption liquid transmission pump is connected with an absorption liquid preparation basin through a pipeline; a demister is mounted above the spraying head. With the adoption of the pre-charge spraying, desulfurizing and dust-removing device disclosed by the utility model, sulfur dioxide and fine particulate matters in the coal-fired flue gas can be synchronously removed. The pre-charge spraying, desulfurizing and dust-removing device has the advantages of high efficiency and low cost.
Description
Technical field
The utility model belongs to purifying coal-fired flue gas technical field, relates in particular to a kind of pre-charged spray desulfation dust-extraction device.
Background technology
As everyone knows, China is the country take fire coal as main energy sources, and annual coal-fired consumption has exceeded 3,500,000,000 tons, and consequent sulfur dioxide and dust pollution are very serious.As one of the highest area of global fine particle, the pollution of the fine particle of China has caused showing great attention to of society, therefore, fine particle will become the main task of several years Air Pollution Control from now on, and its technical research and application will become one of most important work of atmosphere field of Environment Protection.
At present, for the removal of particle in coal-fired flue-gas, mainly rely on the equipment such as electrostatic precipitator, sack cleaner or electric-bag complex dust collector.Electrostatic precipitator is better to the larger flue dust removal effect of particle, but not ideal enough to the removal efficiency of fine particle.Sack cleaner has good removal effect to fine particle, but bag-type dusting deashing is frequent, reduces the service life of filter bag, and has increased the management difficulty of stable operation.The subject matter that electric-bag complex dust collector exists in the time of solving preferably independent use electric cleaner or sack cleaner.But existing electric-bag complex dust collector is still not high enough to the removal efficiency of fine particle, be difficult to meet the efficient technical need of controlling.And this type of cleaner is generally arranged on wet desulfurization system process section leading portion, although can effectively remove the fine particle in partial fuel coal flue gas, for the fine particle discharge producing after wet desulphurization, cannot control effectively.
Utility model content
The purpose of this utility model is to provide a kind of pre-charged spray desulfation dust-extraction device, and it has the advantages that efficiency is high, cost is low, to solve the problem existing on coal-fired flue gas desulfurization dedusting technology in prior art.
For reaching this object, the utility model by the following technical solutions:
A kind of pre-charged spray desulfation dust-extraction device, it comprises tower body, wherein, the bottom of described tower body is connected with air inlet pipe and drain pipe, top corresponding to tower body is connected with blast pipe, in described tower body, by installing rack, multiple spray heads are installed, and in the front end of each spray head, pre-charged pin is installed on described installing rack, described pre-charged pin connects high voltage source by cable, on the jet pipe of described spray head, be connected with high pressure airline, described high pressure airline connects High-Pressure Compressor, described spray head is connected with absorption liquid pipeline, valve is set on described absorption liquid pipeline and connects absorption liquid delivery pump, described absorption liquid delivery pump connects absorption liquid dosing pond by pipeline, the top of described spray head is provided with demister.
Especially, described tower body is divided into cylindrical section and conical section, and described conical section is arranged at the below of cylindrical section, and described air inlet pipe is connected on cylindrical section, and described drain pipe is connected in the bottom of conical section.
Especially, in the deflector being provided with between demister and spray head under oblique, it mainly plays two aspects in described tower body, and the first, the flue gas that enters demister is raised speed, to accelerate treatment effeciency; The second, demister is removed the moisture in flue gas, can flow into rapidly tower body bottom along deflector.
Especially, the below of described tower body is provided with sedimentation basin, and the bottom of described sedimentation basin is connected with blow-off pipe, and the top of described sedimentation basin connect circulation line be connected with described absorption liquid dosing pond, on described circulation line, be provided with circulating pump.
Especially, described demister adopts baffle type mist eliminator.
The beneficial effects of the utility model are, compared with prior art described pre-charged spray desulfation dust-extraction device carries out charged in advance by pre-charged pin and high pressure airline to absorption liquid, make absorbent positively charged, and by spray head by the absorption liquid of positively charged with vaporific high velocity jet in wet flue gas desulfurization tower; Spray into absorption liquid droplet positively charged in flue gas due to two like magnetic poles repel each other, so can scatter very soon and fully mix with flue gas; The absorption liquid droplet of positively charged reacts with the sulfur dioxide in flue gas, carries out coalescence trapping by the fine particle in charging performance and the flue gas of absorption liquid droplet simultaneously, and it is separated from flue gas; Reacted droplet and being captured when by demister by the fine particle after coalescence, and condense into large drop, flow into tower body bottom; The synchronous removal of realization to sulfur dioxide in coal-fired flue-gas and fine particle.Have advantages of that desulfurization and dedusting is effective and cost is low.
Accompanying drawing explanation
Fig. 1 is the structural representation of the pre-charged spray desulfation dust-extraction device that provides of the utility model specific embodiment 1.
The specific embodiment
Below in conjunction with accompanying drawing and by the specific embodiment, further illustrate the technical solution of the utility model.
Refer to shown in Fig. 1, Fig. 1 is the structural representation of the pre-charged spray desulfation dust-extraction device that provides of the utility model specific embodiment 1.
In the present embodiment, a kind of pre-charged spray desulfation dust-extraction device comprises tower body 1, described tower body 1 is divided into cylindrical section and conical section, described conical section is arranged at the below of cylindrical section, the bottom of described cylindrical section is connected with air inlet pipe 2, corresponding to the top of described cylindrical section, be connected with blast pipe 3, the bottom of described conical section is connected with drain pipe 4, in described tower body 1, by installing rack, multiple spray heads 5 are installed, and in the front end of each spray head 5, pre-charged pin 6 is installed on described installing rack, described pre-charged pin 6 connects high voltage source by cable, on the jet pipe of described spray head 5, be connected with high pressure airline 7, described high pressure airline 7 connects High-Pressure Compressor 8, described spray head 5 is connected with absorption liquid pipeline 9, on described absorption liquid pipeline 9, valve 10 is set and connects absorption liquid delivery pump 11, described absorption liquid delivery pump 11 connects absorption liquid dosing pond 12 by pipeline.
The below of described tower body 1 is provided with sedimentation basin 13, and the bottom of described sedimentation basin 13 is connected with blow-off pipe 14, and the top of described sedimentation basin 13 connect circulation line 15 be connected with described absorption liquid dosing pond 12, on described circulation line 15, be provided with circulating pump 16.
The top of described spray head 5 is provided with the deflector 17 under oblique, baffle type mist eliminator 18 is installed in the top of described deflector 17, and arranging of described deflector 17 mainly plays two aspects, first, the flue gas that enters demister is raised speed, to accelerate treatment effeciency; The second, demister is removed the moisture in flue gas, can flow into rapidly tower body bottom along deflector.
During work, first the absorbent preparing is placed in absorption liquid dosing pond 12, utilize absorption liquid delivery pump 11 by absorption liquid pipeline 9, to be delivered in the jet pipe of spray assembly of desulfurizing tower, by pre-charged pin 6 and high pressure airline 7, absorption liquid is carried out charged in advance, make absorption liquid positively charged, and by spray head 5 by the absorption liquid of positively charged with vaporific high velocity jet in wet flue gas desulfurization tower; Positively charged adsorption liquid droplet reacts with the sulfur dioxide in flue gas, and by charged coalescence effect, the fine particle in flue gas is trapped.Large drop in coalescence process can directly drop to tower body bottom, and tiny electrically charged drop is captured down during through demister 18, after dropping to tower body bottom by deflector 17, through drain pipe 4, enter sedimentation basin 13, in sedimentation basin 13, precipitate and regenerate, the absorption liquid on sedimentation basin 13 tops is sent into absorption liquid dosing pond 12 through circulating pump 16 and is recycled.
Above embodiment has just set forth basic principle of the present utility model and characteristic; the utility model is not limited by above-mentioned example; do not departing under the prerequisite of the utility model spirit and scope; the utility model also has various variations and change, and these variations and change all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (5)
1. a pre-charged spray desulfation dust-extraction device, it comprises tower body, it is characterized in that, the bottom of described tower body is connected with air inlet pipe and drain pipe, top corresponding to tower body is connected with blast pipe, in described tower body, by installing rack, multiple spray heads are installed, and in the front end of each spray head, pre-charged pin is installed on described installing rack, described pre-charged pin connects high voltage source by cable, on the jet pipe of described spray head, be connected with high pressure airline, described high pressure airline connects High-Pressure Compressor, described spray head is connected with absorption liquid pipeline, valve is set on described absorption liquid pipeline and connects absorption liquid delivery pump, described absorption liquid delivery pump connects absorption liquid dosing pond by pipeline, the top of described spray head is provided with demister.
2. pre-charged spray desulfation dust-extraction device according to claim 1, it is characterized in that, described tower body is divided into cylindrical section and conical section, and described conical section is arranged at the below of cylindrical section, described air inlet pipe is connected on cylindrical section, and described drain pipe is connected in the bottom of conical section.
3. pre-charged spray desulfation dust-extraction device according to claim 1, is characterized in that, in described tower body in the deflector being provided with between demister and spray head under oblique.
4. pre-charged spray desulfation dust-extraction device according to claim 1, it is characterized in that, the below of described tower body is provided with sedimentation basin, the bottom of described sedimentation basin is connected with blow-off pipe, and the top of described sedimentation basin connects circulation line and is connected with described absorption liquid dosing pond, on described circulation line, is provided with circulating pump.
5. according to the pre-charged spray desulfation dust-extraction device described in claim 1 or 3 any one, it is characterized in that, described demister adopts baffle type mist eliminator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320642953.9U CN203540319U (en) | 2013-10-17 | 2013-10-17 | Pre-charge spraying, desulfurizing and dust-removing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320642953.9U CN203540319U (en) | 2013-10-17 | 2013-10-17 | Pre-charge spraying, desulfurizing and dust-removing device |
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| Publication Number | Publication Date |
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| CN203540319U true CN203540319U (en) | 2014-04-16 |
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| CN201320642953.9U Expired - Fee Related CN203540319U (en) | 2013-10-17 | 2013-10-17 | Pre-charge spraying, desulfurizing and dust-removing device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103480263A (en) * | 2013-10-17 | 2014-01-01 | 江苏欧超环保科技有限公司 | Pre-charge spraying desulfurization and dust removal device |
| CN105903332A (en) * | 2016-06-23 | 2016-08-31 | 山东大学 | Semi-dry method desulfurization and denitrification integrated process and device in synergism with charged oxidation |
| CN109701382A (en) * | 2019-02-28 | 2019-05-03 | 兖矿集团有限公司 | A kind of dispersion of ultrafine powder and spraying system and its processing method and purposes |
-
2013
- 2013-10-17 CN CN201320642953.9U patent/CN203540319U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103480263A (en) * | 2013-10-17 | 2014-01-01 | 江苏欧超环保科技有限公司 | Pre-charge spraying desulfurization and dust removal device |
| CN105903332A (en) * | 2016-06-23 | 2016-08-31 | 山东大学 | Semi-dry method desulfurization and denitrification integrated process and device in synergism with charged oxidation |
| CN109701382A (en) * | 2019-02-28 | 2019-05-03 | 兖矿集团有限公司 | A kind of dispersion of ultrafine powder and spraying system and its processing method and purposes |
| CN109701382B (en) * | 2019-02-28 | 2022-05-17 | 兖矿集团有限公司 | Superfine powder dispersing and spraying system and processing method and application thereof |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170220 Address after: 201318 Shanghai Pudong New Area City, Hunan Road No. 4399 building 3 Patentee after: Shanghai Sanqing Environmental Protection Technology Co., Ltd. Address before: 214156 Jiangsu city of Wuxi province Yangshan town Huishan district land yangmuqiqo Jiangsu Ou Chao Environmental Technology Co. Ltd. Patentee before: Jiangsu Ou Chao Environmental Technologies Co., Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140416 Termination date: 20191017 |
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| CF01 | Termination of patent right due to non-payment of annual fee |