CN210448607U - Hg and SO3Electric dust remover with synergistic removal - Google Patents
Hg and SO3Electric dust remover with synergistic removal Download PDFInfo
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- CN210448607U CN210448607U CN201920300113.1U CN201920300113U CN210448607U CN 210448607 U CN210448607 U CN 210448607U CN 201920300113 U CN201920300113 U CN 201920300113U CN 210448607 U CN210448607 U CN 210448607U
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Abstract
The utility model provides a Hg, SO3Desorption electrostatic precipitator in coordination includes import head, multistage electric field, adsorbent injection apparatus, final electric field and the export head that sets gradually according to the flue gas flow direction, and adsorbent storage device passes through the one-level and carries the female pipe to link to each other with adsorbent injection apparatus, adsorbent injection apparatus's below is equipped with arranges the adsorbent injection grid in final electric field front end, adsorbent injection apparatus still includes one-level disc tripper, second grade transport son pipe and second grade disc tripper, and the output of the female pipe of one-level transport links to each other with one-level disc tripper, and a plurality of second grade transport son pipe has been arranged to the below of one-level disc tripper, and the output of second grade transport son pipe is connected with second grade disc tripper, and the output of second grade disc tripper is connected with a plurality of injection pipe, and the injection pipe constitutes adsorbent injection grid jointly. Can reach the aim of Hg and SO3And the removal function can effectively reduce the operation cost.
Description
[ technical field ] A method for producing a semiconductor device
The utility model relates to a technical field that the pollutant was administered, especially a Hg, SO3And (4) cooperatively removing the electric dust remover.
[ background of the invention ]
As the environment deteriorates, air quality receives a great deal of attention. The artificial mercury emission mainly comes from coal, coal is the main fuel energy in China, the emission of coal-fired power stations becomes the main emission source of mercury, and the mercury pollution of the generated coal is more and more concerned in China. Compared with other pollutants, SO in the flue gas discharged by the coal-fired boiler3The concentration of (b) is low, but the concentration of (b) is harmful to equipment downstream of the flue and the atmospheric environment.SO3The sulfuric acid mist can be combined with water vapor after passing through the spray tower, and the pipeline equipment at the tail part of the flue is easy to corrode. The substandard emission of the flue gas is the main cause of air pollution. Coal fired power plant is currently on SO3And Hg removal are performed by separate removal systems, and few of them can perform SO removal3And Hg, which also causes additional installation and operation costs for coal-fired power plants, SO that Hg and SO are provided3And (4) cooperatively removing the electric dust remover.
[ Utility model ] content
The purpose of the utility model is to solve the problems in the prior art and provide Hg and SO3The electric dust remover can remove Hg and SO synergistically3And the removal function can effectively reduce the operation cost.
In order to achieve the above purpose, the utility model provides an Hg, SO3Desorption electrostatic precipitator in coordination includes import head, multistage electric field, adsorbent injection apparatus, last stage electric field and the export head that sets gradually according to the flue gas flow direction, adsorbent injection apparatus's top is equipped with adsorbent storage device, adsorbent storage device passes through the one-level and carries the main pipe to link to each other with adsorbent injection apparatus, adsorbent injection apparatus's below is equipped with arranges the adsorbent injection grid in last stage electric field front end.
Preferably, the adsorbent injection device further comprises a first-stage disc distributor, a second-stage conveying sub-pipe and a second-stage disc distributor, the output end of the first-stage conveying main pipe is connected with the first-stage disc distributor, a plurality of second-stage conveying sub-pipes are arranged below the first-stage disc distributor, the output end of the second-stage conveying sub-pipe is connected with the second-stage disc distributor, the output end of the second-stage disc distributor is connected with a plurality of injection pipes, and the injection pipes jointly form an adsorbent injection grid.
Preferably, the adsorbent injection grids are distributed over the whole cross section of the body of the electric dust collector, the distance between two adjacent injection pipes is not more than 1.2m, and the injection pipes are distributed at equal intervals.
Preferably, the length of the space between the front end of the final electric field and the tail end of the multi-stage electric field for arranging the adsorbent injection grid along the flow direction of the flue gas is not less than 1 m.
Preferably, an adsorbent is arranged in the adsorbent storage device, and the adsorbent is a mixture of activated carbon, coal-fired fly ash, a calcium-based alkaline adsorbent and a halogen reagent and is a powdery material with more than 325 meshes.
Preferably, the multi-stage electric field comprises a first electric field, a second electric field and a third electric field which are sequentially arranged along the flowing direction of the flue gas, and ash hoppers are respectively arranged below the multi-stage electric field and the final electric field.
The utility model has the advantages that: the utility model discloses a set gradually import head, multistage electric field, adsorbent injection apparatus, last stage electric field and export head according to the flue gas flow direction in electrostatic precipitator, can have concurrently and take off Hg, take off SO3The investment cost is reduced.
The features and advantages of the present invention will be described in detail by embodiments with reference to the accompanying drawings.
[ description of the drawings ]
FIG. 1 shows Hg and SO of the present invention3The structural schematic diagram of the electric dust remover is cooperatively removed;
FIG. 2 shows Hg and SO according to the present invention3And the left view of the adsorbent injection device of the collaborative removal electric dust collector.
[ detailed description ] embodiments
Referring to fig. 1, the utility model relates to Hg and SO3Desorption electrostatic precipitator in coordination includes import head 1, multistage electric field 2, adsorbent injection apparatus 3, final electric field 5 and the export head 6 that sets gradually according to the flue gas flow direction, adsorbent injection apparatus 3's top is equipped with adsorbent storage device 4, adsorbent storage device 4 passes through the one-level and carries female pipe 31 and adsorbent injection apparatus 3 to link to each other, adsorbent injection apparatus 3's below is equipped with arranges the adsorbent injection grid 35 in final electric field 5 front ends.
Referring to fig. 2, the adsorbent spraying apparatus 3 further includes a primary disc distributor 32, a secondary conveying sub-pipe 33 and a secondary disc distributor 34, the output end of the primary conveying main pipe 31 is connected to the primary disc distributor 32, a plurality of secondary conveying sub-pipes 33 are arranged below the primary disc distributor 32, the output end of the secondary conveying sub-pipes 33 is connected to the secondary disc distributor 34, the output end of the secondary disc distributor 34 is connected to a plurality of spraying pipes, and the spraying pipes jointly form an adsorbent spraying grid 35. Further, the adsorbent injection grid 35 extends over the whole body section of the electric dust collector, the distance between two adjacent injection pipes is not more than 1.2m, and the injection pipes are distributed at equal intervals. The length of the space between the front end of the final electric field 5 and the tail end of the multi-stage electric field 2, which is used for arranging the adsorbent injection grid 35, along the flue gas flowing direction is not less than 1m, so that the effective coverage area of the adsorbent injection is ensured to be close to or even exceed 100 percent, the sufficient retention time of the adsorbent is ensured, and the flue gas flow velocity in the electric dust remover is not more than 1 m/s. The fly ash collected by the final electric field is not sent into an ash storehouse and is separately disposed.
The adsorbent storage device 4 is internally provided with an adsorbent which is a mixture of activated carbon, coal-fired fly ash, a calcium-based alkaline adsorbent and a halogen reagent and is a powdery material with more than 325 meshes. The multistage electric field 2 includes first electric field, second electric field and the third electric field that sets gradually along the flue gas flow direction, the below of multistage electric field 2, final electric field 5 is equipped with ash bucket 10 respectively.
The utility model discloses the working process:
the utility model relates to a Hg, SO3In the synergistic removal electric dust remover, the discharged flue gas enters the electric dust remover through an inlet end socket and sequentially passes through a multi-stage electric field, an adsorbent injection grid and a final-stage electric field to Hg and SO3And removing the mixture, and finally discharging the mixture from an outlet seal head. The adsorbent injection device is arranged in front of the last electric field, and enough space is arranged in front of the last electric field, so that enough retention time of the adsorbent can be ensured (the flow velocity of flue gas in the electric dust collector is less than or equal to 1 m/s). Fly ash collected by the final electric field does not enter an ash storehouse and is separately treated, the adsorbent injection grid is distributed on the whole section of the electric dust collector body, the distance between two adjacent injection points is less than or equal to 1.2m, and the effective coverage area of the adsorbent injection is ensured to be close to or even exceed 100%.
The above-mentioned embodiment is right the utility model discloses an explanation, it is not right the utility model discloses a limited, any right the scheme after the simple transform of the utility model all belongs to the protection scope of the utility model.
Claims (6)
1. Hg and SO3The electric dust remover with the synergistic removal function is characterized in that: including import head (1), multistage electric field (2), adsorbent injection apparatus (3), last stage electric field (5) and export head (6) that set gradually according to the flue gas flow direction, the top of adsorbent injection apparatus (3) is equipped with adsorbent storage device (4), adsorbent storage device (4) are carried female pipe (31) through the one-level and are linked to each other with adsorbent injection apparatus (3), the below of adsorbent injection apparatus (3) is equipped with and arranges in adsorbent injection grid (35) of last stage electric field (5) front end.
2. An Hg, SO according to claim 13The electric dust remover with the synergistic removal function is characterized in that: adsorbent injection apparatus (3) still include one-level disc tripper (32), second grade transport son pipe (33) and second grade disc tripper (34), the output of one-level transport mother pipe (31) links to each other with one-level disc tripper (32), a plurality of second grade transport son pipe (33) have been arranged to the below of one-level disc tripper (32), the output that the second grade was carried son pipe (33) is connected with second grade disc tripper (34), the output of second grade disc tripper (34) is connected with a plurality of injection pipe, and the injection pipe constitutes adsorbent injection grid (35) jointly.
3. An Hg, SO according to claim 23The electric dust remover with the synergistic removal function is characterized in that: the adsorbent sprays grid (35) and spreads over the whole body cross-section of electrostatic precipitator, and the distance of two adjacent injection pipes is not more than 1.2m, the injection pipe is equidistant to be distributed.
4. An Hg, SO according to claim 13Electric dust remover with synergistic removalThe method is characterized in that: the length of a space for arranging the adsorbent injection grid (35) between the front end of the final electric field (5) and the tail end of the multi-stage electric field (2) along the flow direction of the flue gas is not less than 1 m.
5. An Hg, SO according to claim 13The electric dust remover with the synergistic removal function is characterized in that: and an adsorbent is arranged in the adsorbent storage device (4).
6. An Hg, SO according to claim 13The electric dust remover with the synergistic removal function is characterized in that: the multistage electric field (2) include first electric field, second electric field and the third electric field that sets gradually along flue gas flow direction, the below of multistage electric field (2), final electric field (5) is equipped with ash bucket (10) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920300113.1U CN210448607U (en) | 2019-03-11 | 2019-03-11 | Hg and SO3Electric dust remover with synergistic removal |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920300113.1U CN210448607U (en) | 2019-03-11 | 2019-03-11 | Hg and SO3Electric dust remover with synergistic removal |
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| CN210448607U true CN210448607U (en) | 2020-05-05 |
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| CN201920300113.1U Active CN210448607U (en) | 2019-03-11 | 2019-03-11 | Hg and SO3Electric dust remover with synergistic removal |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109954373A (en) * | 2019-03-11 | 2019-07-02 | 浙江菲达环保科技股份有限公司 | A kind of Hg, SO3Cooperation-removal electric precipitator |
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2019
- 2019-03-11 CN CN201920300113.1U patent/CN210448607U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109954373A (en) * | 2019-03-11 | 2019-07-02 | 浙江菲达环保科技股份有限公司 | A kind of Hg, SO3Cooperation-removal electric precipitator |
| CN109954373B (en) * | 2019-03-11 | 2024-08-02 | 浙江菲达环保科技股份有限公司 | Hg, SO3Electric dust remover with co-removal function |
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