Wet electricity rectifying device

Abstract

The utility model discloses a wet electricity rectifying device, which relates to the technical field of wet-type electric precipitation and wet-type electric demisting, is arranged in a wet-type electric precipitator, and comprises a plurality of splitter plates which are arranged in a linear array, and a flue gas turning section is formed by a cavity between two adjacent splitter plates. The upper wet electricity gas chamber is arranged in the wet electricity electric field, smoke laterally entering the upper wet electricity gas chamber is vertically and downwards led into the wet electricity electric field, the splitter plate is arranged between the upper wet electricity gas chamber and the wet electricity electric field, and through the splitter plate, disordered gas flow entering the upper wet electricity gas chamber is guided by the semi-arc top end of the splitter plate to achieve steering and downwards and evenly enter the wet electricity electric field, so that the gas flow in the upper wet electricity gas chamber is separated from the wet electricity electric field. The smoke can turn by 90 degrees and keep the moving direction, the airflow distribution rate can be effectively improved, and the dust removal efficiency of the wet-type electric dust remover is improved.

Description

Technical Field

[0001] The utility model relates to the technical fields of wet electrostatic precipitation and wet electrostatic demisting, and particularly relates to a wet electrostatic rectifying device. Background Art

[0002] Improving the efficiency of the internal gas flow distribution of large wet electrostatic precipitators has always been a difficult problem in the industry. Uneven gas flow distribution will cause a decrease in the dust removal efficiency and a reduction in the actual dust removal area, which seriously affects the compliance of the dust and mist content indicators in flue gas emissions.

[0003] Currently, when domestic thermal power plants design the ultra-low emission environmental protection process, wet electrostatic precipitators are usually configured. In the design of some projects, a wet electrostatic precipitator with side air intake and upward inlet and downward outlet is required. This type of wet electrostatic precipitator either has too much resistance or uneven gas flow distribution, resulting in unsatisfactory dust removal effect. Content of the Utility Model

[0004] The purpose of the utility model is to solve at least one of the technical problems existing in the prior art, and provide a wet electrostatic rectifying device, which can solve the problem that when domestic thermal power plants design the ultra-low emission environmental protection process, wet electrostatic precipitators are usually configured. In the design of some projects, a wet electrostatic precipitator with side air intake and upward inlet and downward outlet is required. This type of wet electrostatic precipitator either has too much resistance or uneven gas flow distribution, resulting in unsatisfactory dust removal effect.

[0005] To achieve the above purpose, the utility model provides the following technical solutions:

[0006] A wet electrostatic rectifying device is arranged in a wet electrostatic precipitator and includes a plurality of flow dividing plates arranged in a linear array. The cavity between two adjacent flow dividing plates forms a flue gas turning section to vertically introduce the flue gas laterally entering the upper wet electrostatic chamber into the wet electrostatic field.

[0007] Preferably, the flow dividing plates are arranged between the upper wet electrostatic chamber and the wet electrostatic field of the wet electrostatic precipitator. The air inlet of the upper wet electrostatic chamber is connected to the air outlet of the desulfurization tower, and the top ends of the flow dividing plates are all semi-circular structures.

[0008] Preferably, two mounting plates are fixedly connected inside the upper wet electrostatic chamber. A plurality of mounting grooves are formed on the opposite surfaces of the two mounting plates. The two ends of the plurality of flow dividing plates are slidably mounted in the corresponding mounting grooves. Rotating grooves are formed at the tops of the two mounting plates. A plurality of rotating plates corresponding to the flow dividing plates are rotatably connected in the two rotating grooves. The bottoms of the plurality of rotating plates are adapted to the top ends of the corresponding flow dividing plates, and limiting holes are formed on one sides of the plurality of rotating plates.

[0009] Preferably, a plurality of sliding grooves are formed in the tops of the two mounting plates. A sliding plate is slidably connected inside each of the plurality of sliding grooves. A limiting post is fixedly connected to one side of each of the plurality of sliding plates. Each of the plurality of limiting posts slidably extends into the corresponding rotating groove and is inserted into the corresponding limiting hole. A spring is fixedly connected to one side of each of the plurality of sliding plates away from the corresponding limiting post. One end of each of the plurality of springs away from the corresponding sliding plate is fixedly connected to the inner wall of the corresponding sliding groove.

[0010] Preferably, a maintenance opening is formed in the top of the wet electrostatic upper gas chamber. A maintenance cover is bolted to the top of the wet electrostatic upper gas chamber. A gasket is provided at the connection between the maintenance cover and the maintenance opening.

[0011] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0012] In this wet electrostatic rectifying device, through the arranged flow dividing plate, the chaotic airflow entering the wet electrostatic upper gas chamber is guided by the semi-circular top end of the flow dividing plate to achieve turning and uniformly enter the inside of the wet electrostatic field downward, enabling the flue gas to turn 90 degrees and maintain the movement direction, which can effectively improve the airflow distribution rate and the dust removal efficiency of the wet electrostatic precipitator. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The present utility model will be further described below in conjunction with the drawings and embodiments:

[0014] Figure 1 is a three-dimensional structural schematic diagram of the present utility model;

[0015] Figure 2 is an internal structural schematic diagram of the wet electrostatic upper gas chamber of the present utility model;

[0016] Figure 3 is a sectional structural schematic diagram of the wet electrostatic upper gas chamber of the present utility model;

[0017] Figure 4 is a structural schematic diagram of the rotating plate of the present utility model;

[0018] Figure 5 is a sectional structural schematic diagram of the mounting plate of the present utility model;

[0019] Figure 6 is a sectional structural schematic diagram of the flue gas turning section of the present utility model.

[0020] Reference numerals: 1, desulfurization tower; 2, wet electrostatic upper gas chamber; 3, flow dividing plate; 4, flue gas turning section; 5, maintenance cover; 6, maintenance opening; 7, mounting plate; 8, rotating plate; 9, rotating groove; 10, mounting groove; 11, limiting hole; 12, sliding groove; 13, spring; 14, limiting post; 15, sliding plate; 16, wet electrostatic field. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0021] This section will describe in detail the specific embodiments of the present utility model. The preferred embodiments of the present utility model are shown in the accompanying drawings. The function of the accompanying drawings is to supplement the description of the text part of the specification, enabling people to intuitively and vividly understand each technical feature and the overall technical solution of the present utility model. However, it should not be construed as a limitation on the protection scope of the present utility model.

[0022] Please refer to Figure 1-6 , the present utility model provides a technical solution:

[0023] A wet electrostatic rectifying device is arranged inside a wet electrostatic precipitator, including a plurality of shunt plates 3 arranged in a linear array. The cavity between two adjacent shunt plates 3 forms a flue gas turning section 4 to vertically introduce the flue gas laterally entering the upper wet electrostatic chamber 2 downward into the wet electrostatic field 16; the shunt plates 3 are arranged between the upper wet electrostatic chamber 2 and the wet electrostatic field 16 of the wet electrostatic precipitator, and the air inlet of the upper wet electrostatic chamber 2 is connected to the air outlet of the desulfurization tower 1; the top ends of the shunt plates 3 are all semi-circular structures, so that the chaotic airflow entering the upper wet electrostatic chamber 2 is guided by the semi-circular top ends of the shunt plates 3 to achieve turning and uniformly enter the interior of the wet electrostatic field 16 downward.

[0024] Two mounting plates 7 are fixedly connected inside the upper wet electrostatic chamber 2. A plurality of mounting grooves 10 are formed on the opposite surfaces of the two mounting plates 7. The two ends of the plurality of shunt plates 3 are slidably mounted in the corresponding mounting grooves 10. Rotating grooves 9 are formed at the tops of the two mounting plates 7. A plurality of rotating plates 8 corresponding to the shunt plates 3 are rotatably connected in the two rotating grooves 9. The bottoms of the plurality of rotating plates 8 are adapted to the top ends of the corresponding shunt plates 3. A limiting hole 11 is formed on one side of each of the plurality of rotating plates 8.

[0025] A plurality of sliding grooves 12 are formed at the tops of the two mounting plates 7. A sliding plate 15 is slidably connected inside each of the plurality of sliding grooves 12. A limiting post 14 is fixedly connected to one side of each of the plurality of sliding plates 15. The plurality of limiting posts 14 all slidably extend into the corresponding rotating grooves 9 and are inserted into the corresponding limiting holes 11. A spring 13 is fixedly connected to the side of each of the plurality of sliding plates 15 away from the corresponding limiting post 14. One end of each of the plurality of springs 13 away from the corresponding sliding plate 15 is fixedly connected to the inner wall of the corresponding sliding groove 12.

[0026] An inspection opening 6 is formed at the top of the upper wet electrostatic chamber 2. An inspection cover 5 is bolted to the top of the upper wet electrostatic chamber 2. A sealing gasket is arranged at the connection between the inspection cover 5 and the inspection opening 6, which is convenient for inspecting the flue gas turning structure.

[0027] Furthermore, when using this device, gas enters the upper wet electrostatic chamber 2 from the horizontal gas outlet on the side of the desulfurization tower 1. After the air flow meets the flow splitting structure, part of the gas is captured by the flow splitting plate 3 and enters the flue gas turning section 4. After the vector is changed by the flue gas turning section 4, it moves vertically, enabling the flue gas to turn 90 degrees and maintain its movement direction. The air flow is evenly distributed, which can effectively improve the air flow distribution rate and the dust removal efficiency of the wet electrostatic precipitator. Subsequently, the air flow evenly enters the wet electrostatic precipitator electric field below the upper wet electrostatic chamber 2. By the operator pulling the sliding plate 15, the sliding plate 15 will move horizontally under the guidance of the corresponding sliding groove 12 and compress the spring 13. The movement of the sliding plate 15 will drive the limit post 14 to disengage from the corresponding limit hole 11, thus facilitating the operator to rotate the limit hole 11, enabling the limit hole 11 to rotate inside the rotation groove 9. After rotating the rotating plates 8 at both ends of the flow splitting plate 3 simultaneously, the operator can replace or maintain the flow splitting plate 3.

[0028] Through the provided flow splitting plate 3, the chaotic air flow entering the upper wet electrostatic chamber 2 is guided by the semi-circular top of the flow splitting plate 3 to achieve turning and evenly enter the interior of the wet electrostatic field 16 downward, enabling the flue gas to turn 90 degrees and maintain its movement direction, which can effectively improve the air flow distribution rate and the dust removal efficiency of the wet electrostatic precipitator.

[0029] Working principle: Gas enters the upper wet electrostatic chamber 2 from the horizontal gas outlet on the side of the desulfurization tower 1. After the air flow meets the flow splitting structure, part of the gas is captured by the flow splitting plate 3 and enters the flue gas turning section 4. After the vector is changed by the flue gas turning section 4, it moves vertically, enabling the flue gas to turn 90 degrees and maintain its movement direction. The air flow is evenly distributed, which can effectively improve the air flow distribution rate and the dust removal efficiency of the wet electrostatic precipitator. Subsequently, the air flow evenly enters the wet electrostatic precipitator electric field below the upper wet electrostatic chamber 2. By the operator pulling the sliding plate 15, the sliding plate 15 will move horizontally under the guidance of the corresponding sliding groove 12 and compress the spring 13. The movement of the sliding plate 15 will drive the limit post 14 to disengage from the corresponding limit hole 11, thus facilitating the operator to rotate the limit hole 11, enabling the limit hole 11 to rotate inside the rotation groove 9. After rotating the rotating plates 8 at both ends of the flow splitting plate 3 simultaneously, the operator can replace or maintain the flow splitting plate 3.

[0030] The above has described the embodiments of the present invention in detail with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments. Within the scope of knowledge possessed by those of ordinary skill in the art in the said technical field, various changes can be made without departing from the purpose of the present invention.

Claims

1. A wet electric rectifier, arranged in a wet electric precipitator, characterized in that: It comprises a plurality of flow dividers (3) arranged in a linear array, wherein the cavity between two adjacent flow dividers (3) forms a smoke turning section (4) for guiding smoke entering the upper air chamber (2) of the wet electric device vertically downward into the wet electric field (16).

2. A wet electric rectifier device according to claim 1, characterized in that: The diverter plate (3) is arranged between the wet electrostatic upper air chamber (2) and the wet electrostatic electric field (16) of the wet electrostatic precipitator, the air inlet of the wet electrostatic upper air chamber (2) is connected to the air outlet of the desulfurization tower (1), and the top of the diverter plate (3) is a semi-arc structure.

3. A wet electric rectifier device according to claim 1, characterized in that: Two mounting plates (7) are fixedly connected inside the wet electric upper air chamber (2), and the opposing surfaces of the two mounting plates (7) are provided with a plurality of mounting grooves (10), and both ends of the plurality of flow dividers (3) are slidably mounted in the corresponding mounting grooves (10); The tops of the two mounting plates (7) are each provided with a rotation groove (9), a plurality of rotation plates (8) corresponding to the diverter plates (3) are rotationally connected in the two rotation grooves (9), the bottoms of the plurality of rotation plates (8) are adapted to the tops of the corresponding diverter plates (3), and a limiting hole (11) is provided on one side of the plurality of rotation plates (8).

4. A wet electric rectifier device according to claim 3, characterized in that: A plurality of sliding grooves (12) are provided on the tops of the two mounting plates (7), a sliding plate (15) is slidably connected inside the plurality of sliding grooves (12), and a limiting column (14) is fixedly connected to one side of the plurality of sliding plates (15); Among them, multiple limit posts (14) are slidably extended to the inside of the corresponding rotation groove (9) and plugged into the corresponding limit holes (11), multiple sliding plates (15) are fixedly connected to the spring (13) on the side away from the corresponding limit posts (14), and multiple springs (13) are fixedly connected to the inner wall of the corresponding sliding groove (12) on one end away from the corresponding sliding plate (15).

5. A wet electric rectifier device according to claim 1, characterized in that: The top of the wet electricity upper air chamber (2) is provided with an inspection opening (6), the top of the wet electricity upper air chamber (2) is bolted with an inspection cover (5), and a sealing gasket is provided at the connection between the inspection cover (5) and the inspection opening (6).

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