CN111632765A - Anode device for strengthening fine particles and aerosol trapping in dry and wet flue gas environment - Google Patents

Anode device for strengthening fine particles and aerosol trapping in dry and wet flue gas environment Download PDF

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Publication number
CN111632765A
CN111632765A CN202010422504.8A CN202010422504A CN111632765A CN 111632765 A CN111632765 A CN 111632765A CN 202010422504 A CN202010422504 A CN 202010422504A CN 111632765 A CN111632765 A CN 111632765A
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CN
China
Prior art keywords
anode plate
anode
flue gas
plate body
dry
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202010422504.8A
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Chinese (zh)
Inventor
刘含笑
陈招妹
王剑波
舒英钢
崔盈
刘美玲
郭高飞
蒋杭阳
李春
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Zhejiang Feida Environmental Science and Technology Co Ltd
Original Assignee
Zhejiang Feida Environmental Science and Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Zhejiang Feida Environmental Science and Technology Co Ltd filed Critical Zhejiang Feida Environmental Science and Technology Co Ltd
Priority to CN202010422504.8A priority Critical patent/CN111632765A/en
Publication of CN111632765A publication Critical patent/CN111632765A/en
Pending legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C3/00—Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
    • B03C3/34—Constructional details or accessories or operation thereof
    • B03C3/40—Electrode constructions
    • B03C3/45—Collecting-electrodes
    • B03C3/47—Collecting-electrodes flat, e.g. plates, discs, gratings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C3/00—Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
    • B03C3/34—Constructional details or accessories or operation thereof
    • B03C3/88—Cleaning-out collected particles

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  • Processing Of Solid Wastes (AREA)

Abstract

The invention provides an anode device for strengthening fine particles and aerosol trapping in a dry and wet flue gas environment, which comprises an ash collecting anode plate, wherein the ash collecting anode plate is provided with an anode plate body and an ash collecting end plate at least arranged at one end of the anode plate body, the ash collecting end plate comprises first end baffle plates which are symmetrically arranged at two sides of the anode plate body and are bent, and a large ash collecting groove is formed between the first end baffle plates and the anode plate body. At least two second side baffles are arranged on one side of the anode plate body at intervals along the smoke flowing direction, a first small dust collecting groove is formed between every two adjacent second side baffles, at least two third side baffles are arranged on the other side of the anode plate body at intervals along the smoke flowing direction, and a second small dust collecting groove is formed between every two adjacent third side baffles. The anode device can improve the emission reduction range of small-particle-size filterable particles and aerosol particles, and reduce the escape phenomenon of fine particles.

Description

Anode device for strengthening fine particles and aerosol trapping in dry and wet flue gas environment
[ technical field ] A method for producing a semiconductor device
The invention relates to the technical field of dust removal equipment, in particular to an anode device for strengthening fine particle and aerosol trapping in a dry and wet flue gas environment.
[ background of the invention ]
The anode plate is a key component of the electric dust collector and comprises C-type (such as 480C, 735C and the like), ZT-type, W-type, Z-type and the like anode plates. The anode plate plays a role in collecting charged dust in an electric field of the electric dust remover, and the secondary dust raising effect is that the dust removal efficiency is ensured and the dust concentration at an electric dust removal outlet is reduced to play a decisive role under the actions of flue gas flow and the like in the electric dust remover. As shown in figure 1, from the view of flow field distribution, the backflow region exists on only one side, fine particles penetrate through a window, the fine particles can be efficiently trapped on only one side, and the fine particles easily escape from the other side, so that the anode device for strengthening the trapping of the fine particles and the aerosol in a dry and wet flue gas environment is provided.
[ summary of the invention ]
The invention aims to solve the problems in the prior art, and provides an anode device for strengthening the trapping of fine particles and aerosol in a dry and wet flue gas environment, which can improve the emission reduction range of small-particle-size filterable particulate matters and aerosol particles and reduce the escape phenomenon of the fine particles.
In order to achieve the purpose, the invention provides an anode device for strengthening fine particles and aerosol trapping in a dry and wet flue gas environment, which comprises an ash collecting anode plate, wherein the ash collecting anode plate is provided with an anode plate body and an ash collecting end plate at least arranged at one end of the anode plate body, the ash collecting end plate comprises first bent end baffle plates symmetrically arranged at two sides of the anode plate body, and a large ash collecting groove is formed between the first end baffle plates and the anode plate body.
Preferably, the ash collecting anode plate is further provided with a second side baffle plate and a third side baffle plate, at least two second side baffle plates are arranged on one side of the anode plate body at intervals along the smoke flowing direction, a first small ash collecting groove is formed between every two adjacent second side baffle plates, at least two third side baffle plates are arranged on the other side of the anode plate body at intervals along the smoke flowing direction, and a second small ash collecting groove is formed between every two adjacent third side baffle plates.
Preferably, the second side baffle and the third side baffle are fixedly connected with the anode plate body in a welding mode, the second side baffle and the third side baffle are arranged in an intersecting mode, the second side baffle and the third side baffle are arranged in an inclined mode, and included angles a between the second side baffle and the anode plate body close to one end of the smoke inlet end are not larger than 90 degrees.
Preferably, the included angle a between the second side baffle plate and the anode plate body at one end close to the flue gas inlet end is 45 degrees.
Preferably, one end of the anode plate body is provided with a dust collecting end plate, the first end baffle is of an L-shaped structure, and the other end of the first end baffle is provided with a bent C-shaped end plate.
Preferably, both ends of the anode plate body are provided with dust collecting end plates, and the first end baffle is of an L-shaped structure.
Preferably, the anode plate body is fixedly connected with the dust collecting end plate in a welding mode.
Preferably, when the dust collecting anode plates are used in a dry flue gas environment, the dust collecting anode plates are arranged in a tail end electric field of the dry electric dust collector along the flow direction of flue gas, dust collecting anode plates and 480C anode plates which are arranged alternately are arranged in the tail end electric field, and dust collecting anode plates are adopted in the last row of the tail end electric field close to the outlet end.
Preferably, when the dust collecting anode plate is used in a wet flue gas environment, the dust collecting anode plate is arranged in the whole electric field of the wet dust collector.
Preferably, the anode plate body, the ash collecting end plate, the second side baffle plate and the third side baffle plate are all made of SPCC.
The invention has the beneficial effects that: when the anode device is applied in a dry electric field, the anode device can be only arranged in a final electric field, the ash collecting anode plates for efficiently collecting ash on the two sides and the conventional 480C anode plate can be arranged in a staggered manner, and meanwhile, the anode plate at the outlet end is ensured to be the ash collecting anode plate for efficiently collecting ash on the two sides, so that the escape of small-particle-size filterable particles caused by air current scouring can be reduced to the maximum extent. When the anode plate is applied to a wet electric field, the ash collecting anode plate capable of collecting ash efficiently at two sides can be used completely, and the escape of small-particle-size filterable particles and SO3 aerosol particles caused by airflow scouring can be reduced to the maximum extent. After the device is adopted, the emission reduction range of the small-particle-size filterable particles and aerosol particles can exceed 30%.
The features and advantages of the present invention will be described in detail by embodiments in conjunction with the accompanying drawings.
[ description of the drawings ]
FIG. 1 is a schematic diagram of dust collection of a conventional anode plate;
FIG. 2 is a dust collecting schematic diagram of embodiment 1 of the present invention;
FIG. 3 is a schematic view of a dust collecting anode plate according to example 1 of the present invention;
FIG. 4 is a schematic view of a dust collecting anode plate according to example 2 of the present invention;
FIG. 5 is a schematic view of a dust collecting anode plate according to example 3 of the present invention;
FIG. 6 is a schematic view of an ash collecting anode plate according to example 4 of the present invention.
[ detailed description ] embodiments
Example 1
Referring to fig. 2 and 3, the anode device for enhancing the trapping of fine particles and aerosol in a dry and wet flue gas environment according to the present invention includes an ash collecting anode plate 10, the ash collecting anode plate 10 has an anode plate body 1 and an ash collecting end plate 2 disposed at one end of the anode plate body 1, the other end of the anode plate body 1 has a bent C-shaped end plate 11, the ash collecting end plate 2 includes first end baffles 21 symmetrically disposed at two sides of the anode plate body 1 and bent, and a large ash collecting groove 20 is formed between the first end baffles 21 and the anode plate body 1.
Furthermore, the anode plate body 1 and the ash collecting end plate 2 are fixed in a welding mode, and the added ash collecting end plate 2 has insignificant increase of resistance of the electric dust collector. The anode plate body 1, the ash collecting end plate 2, the second side baffle plate 3 and the third side baffle plate 4 are all made of SPCC.
When the dust collecting anode plate 10 is used in a dry flue gas environment, the dust collecting anode plate 10 is arranged in a tail end electric field of the dry electric dust collector along the flow direction of flue gas, dust collecting anode plates 10 and 480C anode plates 100 which are arranged in an alternating mode are arranged in the tail end electric field, and the dust collecting anode plate 10 is adopted in the last row of the tail end electric field close to the outlet end.
When the dust collecting anode plate 10 is used in a wet flue gas environment, the dust collecting anode plate is arranged in all electric fields of the wet dust collector.
Example 2
Referring to fig. 4, the difference from embodiment 1 is: the two ends of the anode plate body 1 are respectively provided with a dust collecting end plate 2, and the anode plate body 1 is of a linear structure.
Example 3 and example 4
Referring to fig. 5 and 6, on the basis of embodiments 1 and 2, a plurality of second side baffles 3 and third side baffles 4 are respectively added, at least two second side baffles 3 are arranged on one side of the anode plate body 1 at intervals along the flue gas flowing direction, a first small ash collecting groove 30 is formed between two adjacent second side baffles 3, at least two third side baffles 4 are arranged on the other side of the anode plate body 1 at intervals along the flue gas flowing direction, and a second small ash collecting groove 40 is formed between two adjacent third side baffles 4.
Further, second side shield 3, third side shield 4 and 1 welded fastening of anode plate body are connected, second side shield 3 is the setting of crossing with third side shield 4, second side shield 3, third side shield 4 are the slope setting, and the contained angle a between second side shield 3, third side shield 4 and the anode plate body 1 that is close to the one end of flue gas inlet end is not more than 90 degrees. Specifically, in the present embodiment 3 and the embodiment 4, the included angle a is 45 degrees.
The working process of the invention is as follows:
when the anode device is applied to a dry electric field, only the anode device is arranged in the final electric field, the ash collecting anode plates for efficiently collecting ash on two sides and the conventional 480C anode plate can be arranged in a staggered manner, and meanwhile, the anode plate at the outlet end is ensured to be the ash collecting anode plate for efficiently collecting ash on two sides, so that the escape of small-particle-size filterable particles caused by air current scouring can be reduced to the maximum extent.
When the anode device is applied to a wet electric field, the ash collecting anode plate capable of collecting ash efficiently at two sides can be used completely, and the escape of small-particle-size filterable particles and SO3 aerosol particles caused by airflow scouring can be reduced to the maximum extent.
The above embodiments are illustrative of the present invention, and are not intended to limit the present invention, and any simple modifications of the present invention are within the scope of the present invention.

Claims (9)

1. An anode device for strengthening fine particles and aerosol trapping in a dry and wet flue gas environment is characterized in that: including album grey anode plate (10), have anode plate body (1) on album grey anode plate (10) and set up in album grey end plate (2) of anode plate body (1) one end at least, album grey end plate (2) set up including the symmetry and be first end baffle (21) of the form of buckling in anode plate body (1) both sides, form between first end baffle (21) and anode plate body (1) and collect grey slot (20) greatly.
2. The anode device for enhancing fine particle and aerosol capture in a dry and wet flue gas environment according to claim 1, wherein: still be equipped with second side shield (3) and third side shield (4) on album grey anode plate (10), one side of anode plate body (1) is provided with two at least second side shields (3) along flue gas flow direction interval, forms first little album grey slot (30) between two adjacent second side shields (3), the opposite side of anode plate body (1) is provided with two at least third side shields (4) along flue gas flow direction interval, forms second little album grey slot (40) between two adjacent third side shields (4).
3. The anode device for enhancing fine particle and aerosol capture in a dry and wet flue gas environment according to claim 2, wherein: the second side baffle (3) and the third side baffle (4) are fixedly connected with the anode plate body (1) in a welding mode, the second side baffle (3) and the third side baffle (4) are arranged in a staggered mode, the second side baffle (3) and the third side baffle (4) are arranged in an inclined mode, and included angles a between the second side baffle (3) and the anode plate body (1) close to one end of the smoke inlet end and included angles a between the second side baffle (4) and the anode plate body (1) close to one end of the smoke inlet end are not larger than 90 degrees.
4. The anode device for enhancing fine particle and aerosol capture in a dry and wet flue gas environment according to claim 2, wherein: and the included angles a between the second side baffle plate (3) and the third side baffle plate (4) and the anode plate body (1) close to one end of the smoke inlet end are 45 degrees.
5. An anode device for enhancing the capture of fine particles and aerosol in a dry and wet flue gas environment according to any one of claims 1 to 4, wherein: the one end of anode plate body (1) is provided with album grey end plate (2), first end baffle (21) are L font structure, and the other end has C font end plate (11) of buckling.
6. An anode device for enhancing the capture of fine particles and aerosol in a dry and wet flue gas environment according to any one of claims 1 to 4, wherein: both ends of the anode plate body (1) are provided with dust collecting end plates (2), and the first end baffle (21) is of an L-shaped structure.
7. The anode device for enhancing fine particle and aerosol capture in a dry and wet flue gas environment according to claim 1 or 2, wherein: the anode plate body (1) is fixedly connected with the dust collecting end plate (2) in a welding mode.
8. The anode device for enhancing fine particle and aerosol capture in a dry and wet flue gas environment according to claim 1 or 2, wherein: when the ash collecting anode plate (10) is used in a dry flue gas environment, the ash collecting anode plate (10) is arranged in a tail end electric field of the dry type electric dust remover along the flow direction of flue gas, the ash collecting anode plates (10) and 480C anode plates (100) which are arranged in an alternating mode are arranged in the tail end electric field, and the ash collecting anode plate (10) is adopted in the last row of the tail end electric field close to the outlet end.
9. The anode device for enhancing fine particle and aerosol capture in a dry and wet flue gas environment according to claim 1 or 2, wherein: when the ash collecting anode plate (10) is used in a wet flue gas environment, the ash collecting anode plate is arranged in all electric fields of the wet dust collector.
CN202010422504.8A 2020-05-19 2020-05-19 Anode device for strengthening fine particles and aerosol trapping in dry and wet flue gas environment Pending CN111632765A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010422504.8A CN111632765A (en) 2020-05-19 2020-05-19 Anode device for strengthening fine particles and aerosol trapping in dry and wet flue gas environment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010422504.8A CN111632765A (en) 2020-05-19 2020-05-19 Anode device for strengthening fine particles and aerosol trapping in dry and wet flue gas environment

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CN111632765A true CN111632765A (en) 2020-09-08

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Application Number Title Priority Date Filing Date
CN202010422504.8A Pending CN111632765A (en) 2020-05-19 2020-05-19 Anode device for strengthening fine particles and aerosol trapping in dry and wet flue gas environment

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2024027754A1 (en) * 2022-08-05 2024-02-08 深圳先净科技有限公司 Air purification filter element and air purification device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2024027754A1 (en) * 2022-08-05 2024-02-08 深圳先净科技有限公司 Air purification filter element and air purification device

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