CN201565251U - Pneumatic wave desulfuration, denitrification and mercury removal device - Google Patents
Pneumatic wave desulfuration, denitrification and mercury removal device Download PDFInfo
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- CN201565251U CN201565251U CN2009202781452U CN200920278145U CN201565251U CN 201565251 U CN201565251 U CN 201565251U CN 2009202781452 U CN2009202781452 U CN 2009202781452U CN 200920278145 U CN200920278145 U CN 200920278145U CN 201565251 U CN201565251 U CN 201565251U
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Abstract
The utility model relates to a pneumatic wave desulfuration, denitrification and mercury removal device, which belongs to the technical field of waste gas treatment. A gas outlet is formed at the top of the device, a gas inlet is formed parting the middle of the device, a pulp tank is arranged below the gas inlet, a gas equalizing chamber is arranged above the gas inlet, and a pretreatment layer, an isolation barrier, a pulp liquid spraying layer and a two-stage defogger are arranged sequentially between the gas inlet and the gas outlet from bottom to top. The pretreatment layer consists of a spray nozzle and a pulp liquid pipeline which are communicated. Pneumatic wave units are distributed uniformly on the isolation barrier. The pulp liquid spraying layer consists of a spray nozzle and a pulp liquid pipeline which are communicated. The pneumatic wave desulfuration, denitrification and mercury removal device integrates the functions of desulfuration, denitrification, mercury removal and fine dust removal and has the advantages of smaller device cross-sectional area, small volume, cost reduction, small power consumption, remarkable energy-saving effect, long service life of the spray nozzle, no moving part and component, and improvement in operation reliability.
Description
Technical field
The utility model relates to a kind of pneumatic ripple desulphurization denitration removal of mercury device, belongs to technical field of waste gas treatment.
Background technology
Nuisances such as dust that the discharging of fields such as coal fired power plant, sintering oven, metallurgy, chemical industry, building materials is a large amount of and sulfur dioxide, nitrogen oxide, heavy metal cause serious pollution to environment.At present, a large amount of desulfuring and denitrifying apparatus of installing have played important function to the atmospheric environment of improving China, and fine dust PM10 and PM2.5, and are that the heavy metal pollution of representative does not still have treatment technology preferably with mercury.Existing waste gas pollution control and treatment technical finesse pollutant kind is single, can only handle wherein a kind of pollutant, heavy metal wherein particularly, mainly be present in the middle of the fine dust, dry method such as present electric cleaner, sack cleaner are limited to the removal efficiency of fine dust, less than 30%, and conventional wet method, as spray column, to the clearance of fine dust less than 8%.Therefore, these devices are very limited to the clearance of fine dust, also promptly mean the heavy metal place to go rate in the waste gas very limited.In addition, the liquid-gas ratio of spray column is very big, and operating cost is very high, for the such developing country of China, is difficult to bear.The present utility model is desulfurization, denitration, the removal of mercury device of China's autonomous innovation and independent intellectual property right.
Summary of the invention
The purpose of this utility model provides a kind of pneumatic ripple desulphurization denitration removal of mercury device, integrates desulfurization, denitration, the removal of mercury, removes fine dust, clearance height, operating cost is low, cost is low pneumatic ripple desulphurization denitration removal of mercury device.
The pneumatic ripple desulphurization denitration removal of mercury device that the utility model proposes, the top of this device is provided with gas vent, the middle part of device is provided with the gas access, the gas access is following to be reserve pit, the top, gas access is equal air chamber, and the gas access is to from bottom to top being provided with pretreatment layer between the gas vent successively, separating barrier, slurries spraying layer and two-stage demister; Described pretreatment layer is made up of nozzle and slurries pipeline, and nozzle is connected with the slurries pipeline; Be evenly equipped with pneumatic ripple unit on the described separation barrier, pneumatic ripple unit is by the Gas-Liquid Dispersion vertebra, pneumatic wave plate and circular cylinder body are formed, the diameter D of circular cylinder body is 150～1000mm, the height H of circular cylinder body is 100～900mm, the Gas-Liquid Dispersion awl is dumbbell shape, the centre is a cylinder, two ends are cone, and circular cylinder body places cylindrical centre, and cylinder diameter d1 is 60～500mm, cone diameter d 2 is 100～800mm, cone angle a is 30～75 °, and Gas-Liquid Dispersion cone height h is 250～480mm, and pneumatic wave plate is lithographic plate type or sine curve type, with the welding of cylinder and circular cylinder body, with cylindrical axial angle b be 20～60 °; Described slurries spraying layer is made up of nozzle and slurries pipeline, and nozzle is connected with slurry pipe.
The pneumatic ripple desulphurization denitration removal of mercury device that the utility model proposes, its advantage is:
1, the utility model integrates the desulphurization denitration removal of mercury except that fine dust, and desulfuration efficiency is greater than 95%, and rate is removed respectively greater than 95% and 85% in fine dust PM10 and PM2.5 place to go, and removal of mercury efficient is greater than 80%.
2, the utility model adopts local high flow rate design, has improved air velocity in the tower, and sectional area of the present utility model is less, volume is little, cost reduces thereby make.
3, liquid-gas ratio of the present utility model is little, liquid-gas ratio L/G=12～26 compared to existing technology, and liquid-gas ratio L/G of the present utility model is 3～10 only, has significantly reduced power consumption, energy-saving effect is remarkable.
4, the utility model utilizes the emulsion layer that pneumatic ripple unit produces, and has increased the blending intensity and the slurries time of staying, has improved the clearance of pollutant.
5, the utility model distributes to the particle diameter of nozzle and requires lowly, and free unimpeded aperture is big, has reduced possibility of jamming, has prolonged the service life of nozzle.
6, the utility model does not have motion zero, parts, has improved operational reliability.
Description of drawings
Fig. 1 is the structural representation of the pneumatic ripple desulphurization denitration removal of mercury device that the utility model proposes.
Fig. 2 is the structural representation of pneumatic ripple unit in this device.
Fig. 3 is that the A of Fig. 2 is to profile.
Fig. 4 is the expansion schematic diagram of circular cylinder body in the pneumatic ripple unit.
Fig. 5 is the structural representation of pretreatment layer in this device.
Fig. 6 is slurries spraying layer structural representation in this device.
Fig. 7 is for separating the structural representation of barrier in this device.
Among Fig. 1-Fig. 7, the 1st, reserve pit, the 2nd, equal air chamber, the 3rd, separate barrier, the 4th, pneumatic ripple unit, the 5th, slurries spraying layer, the 6th, two-stage demister, the 7th, Gas-Liquid Dispersion vertebra, the 8th, pneumatic wave plate, the 9th, circular cylinder body, the 10th, nozzle, the 11st, slurries pipeline, the 12nd, nozzle, the 13rd, slurries pipeline, the 14th, pretreatment layer.
The specific embodiment
The pneumatic ripple desulphurization denitration removal of mercury device that the utility model proposes, its structure as shown in Figure 1, the top of this device is provided with gas vent, the middle part of device is provided with the gas access, the gas access is following to be reserve pit 1, the top, gas access is equal air chamber 2, and the gas access is to from bottom to top being provided with pretreatment layer 14 between the gas vent successively, separating barrier 3, slurries spraying layer 5 and two-stage demister 6.The structure of pretreatment layer 14 is made up of nozzle 10 and slurries pipeline 11 as shown in Figure 5, and nozzle 10 is connected with slurries pipeline 11.The structure of separation barrier 3 as shown in Figure 7, separate on the barrier 3 and be evenly equipped with pneumatic ripple unit 4, pneumatic ripple unit 4 is by Gas-Liquid Dispersion vertebra 7, pneumatic wave plate 8 and circular cylinder body 9 are formed, the diameter D of circular cylinder body 9 is 150～1000mm, the height H of circular cylinder body 9 is 100～900mm, Gas-Liquid Dispersion awl 7 is a dumbbell shape, the centre is a cylinder, two ends are cone, circular cylinder body 9 places cylindrical centre, and cylindrical diameter d 1 is 60～500mm, and the diameter d 2 of cone is 100～800mm, cone angle a is 30～75 °, the height h of Gas-Liquid Dispersion awl 7 is 250～480mm, and pneumatic wave plate is lithographic plate type or sine curve type, as shown in Figure 3 and Figure 4, the welding of pneumatic wave plate and cylinder and circular cylinder body, with cylindrical axial angle b be 20～60 °.The structure of slurries spraying layer 5 is made up of nozzle 12 and slurries pipeline 13 shown in 6, and nozzle is connected with slurry pipe.
In the pneumatic ripple desulphurization denitration removal of mercury device that the utility model proposes, the nozzle 10 on the pretreatment layer 14 can spray up, also spray down up simultaneously.
The pneumatic ripple desulphurization denitration removal of mercury device that the utility model proposes, its operation principle is: waste gas enters equal air chamber 2 by inlet, and the slurries that sprayed by pretreatment layer 14 carry out preliminary treatment to waste gas, waste gas obtains cooling, dust sharply condenses, and sulfur dioxide is absorbed, and simple substance mercury obtains oxidation.Waste gas enters pneumatic ripple unit 4 then, further strengthens materializing procedure, and in this element, heavy metals such as sulfur dioxide, dust, simple substance mercury are absorbed, and enter reserve pit 1., after removing droplet, discharge through the waste gas after purifying by outlet through demister 6.
Claims (1)
1. pneumatic ripple desulphurization denitration removal of mercury device, the top that it is characterized in that this device is provided with gas vent, the middle part of device is provided with the gas access, the gas access is following to be reserve pit, the top, gas access is equal air chamber, and the gas access is to from bottom to top being provided with pretreatment layer between the gas vent successively, separating barrier, slurries spraying layer and two-stage demister; Described pretreatment layer is made up of nozzle and slurries pipeline, and nozzle is connected with the slurries pipeline; Be evenly equipped with pneumatic ripple unit on the described separation barrier, pneumatic ripple unit is by the Gas-Liquid Dispersion vertebra, pneumatic wave plate and circular cylinder body are formed, the diameter D of circular cylinder body is 150～1000mm, the height H of circular cylinder body is 100～900mm, the Gas-Liquid Dispersion awl is dumbbell shape, the centre is a cylinder, two ends are cone, and circular cylinder body places cylindrical centre, and cylinder diameter d1 is 60～500mm, cone diameter d 2 is 100～800mm, cone angle a is 30～75 °, and Gas-Liquid Dispersion cone height h is 250～480mm, and pneumatic wave plate is lithographic plate type or sine curve type, with the welding of cylinder and circular cylinder body, with cylindrical axial angle b be 20～60 °; Described slurries spraying layer is made up of nozzle and slurries pipeline, and nozzle is connected with slurry pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202781452U CN201565251U (en) | 2009-12-17 | 2009-12-17 | Pneumatic wave desulfuration, denitrification and mercury removal device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202781452U CN201565251U (en) | 2009-12-17 | 2009-12-17 | Pneumatic wave desulfuration, denitrification and mercury removal device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201565251U true CN201565251U (en) | 2010-09-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202781452U Expired - Fee Related CN201565251U (en) | 2009-12-17 | 2009-12-17 | Pneumatic wave desulfuration, denitrification and mercury removal device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201565251U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102716650A (en) * | 2012-06-23 | 2012-10-10 | 黄石市强达环境治理工程有限公司 | Oxidative decomposition and denitration device adopting ozone and microorganisms |
| CN105107329A (en) * | 2015-09-16 | 2015-12-02 | 北京国能中电节能环保技术有限责任公司 | Efficient desulphurization and dust removal device |
-
2009
- 2009-12-17 CN CN2009202781452U patent/CN201565251U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102716650A (en) * | 2012-06-23 | 2012-10-10 | 黄石市强达环境治理工程有限公司 | Oxidative decomposition and denitration device adopting ozone and microorganisms |
| CN102716650B (en) * | 2012-06-23 | 2014-05-07 | 黄石市强达环境治理工程有限公司 | Oxidative decomposition and denitration device adopting ozone and microorganisms |
| CN105107329A (en) * | 2015-09-16 | 2015-12-02 | 北京国能中电节能环保技术有限责任公司 | Efficient desulphurization and dust removal device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100901 Termination date: 20141217 |
|
| EXPY | Termination of patent right or utility model |