Electric dust collector for high-voltage electrostatic dust collection

Abstract

The utility model relates to the technical field of electrostatic dust collection, and discloses a high-voltage electrostatic dust collection electric dust collector which comprises a machine body, an air inlet is formed in one side of the machine body, an air outlet is formed in the other side of the machine body, an ash discharge hopper is arranged at the bottom of the machine body, and a plurality of anode plates which are longitudinally arranged in parallel are arranged in the machine body. A cathode plate parallel to the anode plates is arranged between every two adjacent anode plates, the two sides of each anode plate and the two sides of each cathode plate are fixedly connected with the inner wall of the machine body respectively, the bottoms of every two adjacent anode plates are connected through a first arc-shaped guide plate, and the tops of every two adjacent cathode plates are connected through a second arc-shaped guide plate. Through a connecting mechanism of the anode plate, the cathode plate, the arc-shaped guide plate I and the arc-shaped guide plate II, the circulating path of dust particles in the machine body is greatly increased, so that the retention time of the dust particles in the machine body is effectively prolonged, the dust particles can be fully contacted with an electric field, and the dust removal efficiency is greatly improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to electrostatic precipitation technical field, especially a kind of electric dust collector of high-voltage electrostatic precipitation. BACKGROUND

[0002] High-voltage electrostatic precipitation is a kind of gas dust removal method.Dust-containing gas is electrically separated when passing through the high-voltage electrostatic field of dust remover, and dust particles are deposited on the surface of anode after being combined with negative ions and carrying negative electricity.It is commonly used in metallurgy, chemical industry and other industries to purify gas or recover useful dust particles.

[0003] In the actual working process of the existing electric dust collector, the residence time of flue gas in the machine body is short, which leads to low dust removal efficiency, and part of the fine dust particles are difficult to capture, affecting the emission standard. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a kind of electric dust collector of high-voltage electrostatic precipitation, which greatly increases the flow path of dust particles in the machine body by the connecting mechanism of anode plate, cathode plate, arc-shaped flow guide plate one and arc-shaped flow guide plate two, effectively prolongs the residence time of dust particles in the machine body, ensures that dust particles can fully contact with electric field, thereby greatly improves the dust removal efficiency.

[0005] The above technical purpose of the utility model is realized by the following technical scheme:

[0006] A kind of electric dust collector of high-voltage electrostatic precipitation, comprising a machine body, the machine body is equipped with gas inlet on one side, the machine body is equipped with exhaust port on the other side, the machine body bottom is equipped with ash bucket, the machine body is equipped with multiple longitudinal parallel anode plates, adjacent two anode plates are equipped with parallel cathode plate, the two sides of each anode plate and cathode plate are fixedly connected with the inner wall of machine body, the bottom of adjacent two anode plates is connected by arc-shaped flow guide plate one, the top of adjacent two cathode plates is connected by arc-shaped flow guide plate two.

[0007] By adopting the above technical scheme, after the smoke dust gas enters from the gas inlet on one side of the machine body, the dust particles are rapidly charged and move towards the anode plate under the action of electric field, and are deposited on the anode plate, and the purified gas is discharged from the exhaust port, and since the bottom of adjacent two anode plates and adjacent two cathode plates is connected by arc-shaped flow guide plate one and arc-shaped flow guide plate two respectively, a reciprocating and zigzag airflow channel is formed between the inner wall of the machine body and the connected arc-shaped flow guide plates, which greatly increases the flow path of dust particles in the machine body, thus effectively prolongs the residence time of dust particles in the machine body, ensures that dust particles can fully contact with electric field, thereby greatly improves the dust removal efficiency, ensures that dust particles can fully deposit, reduces the probability of escape of fine dust particles, and improves the compliance rate of emission standard.

[0008] The utility model further provides that: the two ends of the arc-shaped flow guide plate one are in inclined state.

[0009] By adopting the technical scheme, the arc-shaped flow guide plate can guide the airflow effectively, ensure that the dust particles in the airflow can move along the set path, and also can receive the dust particles deposited on the anode plate, reduce the secondary flying of dust, and further improve the dust removal effect.

[0010] The utility model discloses further provide: the lower end of arc-shaped flow guide plate one is equipped with the dust guide mechanism, the dust guide mechanism includes setting arc-shaped flow guide plate one bottom's dust outlet, the dust outlet is opposite with dust hopper, the dust outlet is equipped with dust valve.

[0011] By adopting the technical scheme, the dust outlet is arranged at the lower end of the bottom of the arc-shaped flow guide plate one, which facilitates the centralized discharge of dust, and the dust valve can be opened regularly to ensure that the dust deposited on the arc-shaped flow guide plate one can be discharged smoothly and regularly, avoiding that too much dust accumulation affects the dust removal efficiency.

[0012] The utility model discloses further provide: the top of each anode plate is equipped with the spray pipe, be equipped with the nozzle on the spray pipe, the spray direction of nozzle is towards the anode plate opposite to it.

[0013] By adopting the technical scheme, the water mist sprayed by the spray pipe can effectively adsorb dust particles, increase the weight of dust particles, accelerate their settlement, and also can prevent dust from flying again, further improving the dust removal effect and the operation stability of the equipment.

[0014] The utility model discloses further provide: the air inlet is equipped with the anti -back flow board, the anti -back flow board can cover whole air inlet, the upper end of anti -back flow board is hinged with the inner wall of machine body.

[0015] By adopting the technical scheme, the anti-back flow board can effectively prevent the backflow of purified gas, ensure the one-way flow of airflow, improve the dust removal efficiency, and also facilitate maintenance and cleaning, and enhance the reliability of equipment operation. The anti-back flow board adopts an adjustable angle design, can adjust the coverage area according to the actual working condition, optimize the airflow distribution, further reduce the risk of backflow, and improve the adaptability and operation efficiency of the equipment.

[0016] The utility model discloses further provide: the anode face of each anode plate is equipped with the inclined flow guide groove, the bottom of flow guide groove extends to the inner arc surface of arc-shaped flow guide plate one.

[0017] By adopting the technical scheme, the flow guide groove can guide the dust particles to slide along a specific path and enter the arc-shaped flow guide plate one at a moderate speed, further reducing the rebound and secondary flying of dust particles, thereby further improving the dust removal efficiency and ensuring the effective deposition of dust particles.

[0018] The further setting of the utility model discloses: the flow guide groove is 45 ° ~ 60 ° inclination angle.

[0019] Through adopting the above technical scheme, the inclination angle design of the flow guide groove can ensure that dust particles smoothly slide down, and the dust particles are not caused to accelerate too fast and cause secondary flying due to too large angle, further optimizes the deposition effect of the dust particles, and improves the overall performance and stability of the dust collector.

[0020] The further setting of the utility model discloses: the cathode face of each cathode plate is evenly provided with a plurality of protruding electrode points.

[0021] Through adopting the above technical scheme, the protruding electrode points can significantly improve local charge density, thereby effectively enhancing electric field intensity, improving dust particle adsorption rate, and the uniform distribution of the electrode points can disperse the electric field intensity peak value to multiple points, avoid single-point concentration, effectively avoid the spark discharge risk caused by too strong local electric field, and further improve dust removal efficiency and equipment safety.

[0022] The utility model discloses the beneficial effect is:

[0023] 1. In the utility model, the bottom of the adjacent two anode plates and the adjacent two cathode plates is connected through the arc-shaped flow guide plate one and the arc-shaped flow guide plate two respectively, and a reciprocating zigzag airflow channel is formed with the inner wall of the machine body, which greatly increases the flow path of dust particles in the machine body, thereby effectively prolonging the residence time of dust particles in the machine body, ensuring that dust particles can fully contact the electric field, thereby greatly improving the dust removal efficiency, ensuring that dust particles can fully deposit, reducing the probability of escape of fine dust particles, and improving the compliance rate of emission standards.

[0024] 2. In the utility model, the inner top of the arc-shaped flow guide plate two is provided with a spray pipe, and the water mist sprayed by the spray pipe can effectively adsorb dust particles, increase the weight of the dust particles, accelerate their settlement, and at the same time, the surface of the anode plate is moistened, which can also prevent dust from flying again, further improving the dust removal effect and the operation stability of the equipment.

[0025] 3. In the utility model, the anti-backflow plate can effectively prevent the backflow of purified gas, ensure the one-way flow of gas, improve the dust removal efficiency, and at the same time, it is convenient to maintain and clean, and the reliability of equipment operation is enhanced. The anti-backflow plate adopts an adjustable angle design, which can adjust the coverage area according to the actual working condition, optimize the airflow distribution, further reduce the backflow risk, and improve the adaptability and operation efficiency of the equipment.

[0026] 4. In the utility model, the flow guide groove on the anode plate can guide dust particles to slide along a specific path and enter the arc-shaped flow guide plate one at a moderate speed, further reducing dust particle rebound and secondary flying, thereby further improving the dust removal efficiency and ensuring effective deposition of dust particles.

[0027] 5. The protruding electrode points arranged on the cathode surface of each cathode plate can significantly improve the local charge density, thereby effectively enhancing the electric field intensity, improving the dust adsorption rate, and dispersing the electric field intensity peak value to multiple points by uniform distribution of the electrode points, avoiding single-point concentration, effectively avoiding the spark discharge risk caused by the excessively strong local electric field, and further improving the dust removal efficiency and the safety of the equipment. BRIEF DESCRIPTION OF DRAWINGS

[0028] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiment description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor on the basis of these drawings.

[0029] Fig. 1 is a schematic diagram of the external structure of the electric dust collector for high-voltage electrostatic dust removal.

[0030] Fig. 2 is a schematic diagram of the structure after the anode plate and the cathode plate are connected through the arc-shaped flow guide plate one and the arc-shaped flow guide plate two.

[0031] Fig. 3 is a schematic diagram of the cross-sectional structure of the electric dust collector for high-voltage electrostatic dust removal.

[0032] In the drawings, 1 is a machine body, 2 is an air inlet, 3 is an air outlet, 4 is an ash discharge hopper, 5 is an anode plate, 6 is a cathode plate, 7 is an arc-shaped flow guide plate one, 8 is an arc-shaped flow guide plate two, 9 is an ash discharge port, 10 is an ash discharge valve, 11 is a spray pipe, 12 is a nozzle, 13 is an anti-backflow plate, 14 is a flow guide groove, and 15 is an electrode point. DETAILED DESCRIPTION

[0033] The technical solutions of the present application will be described in detail below in combination with specific embodiments. Obviously, the described embodiments are only some of the embodiments of the present application, not all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0034] As Figs. 1-3As shown, a high-voltage electrostatic dust removal electric dust collector includes a body 1, one side of the body 1 is provided with an air inlet 2, the other side of the body 1 is provided with an air outlet 3, the bottom of the body 1 is provided with an ash bucket 4, the body 1 is provided with a plurality of longitudinally parallel anode plates 5, two adjacent anode plates 5 are provided with a cathode plate 6 parallel thereto, the two sides of each anode plate 5 and cathode plate 6 are fixedly connected with the inner wall of the body 1, the bottom of the two adjacent anode plates 5 is connected through an arc-shaped flow guide plate one 7, and the top of the two adjacent cathode plates 6 is connected through an arc-shaped flow guide plate two 8.

[0035] Further, the two ends of the arc-shaped flow guide plate one 7 are in an inclined state.

[0036] Further, the lower end of the arc-shaped flow guide plate one 7 is provided with an ash guide mechanism, the ash guide mechanism includes an ash discharge port 9 arranged at the bottom of the arc-shaped flow guide plate one 7, the ash discharge port 9 is opposite to the ash bucket 4, and the ash discharge port 9 is provided with an ash discharge valve 10.

[0037] Further, the top of each anode plate 5 is provided with a spray pipe 11, the spray pipe 11 is provided with a nozzle 12, and the spraying direction of the nozzle 12 is towards the opposite anode plate 5.

[0038] Further, the air inlet 2 is provided with an anti-backflow plate 13, the anti-backflow plate 13 can cover the entire air inlet 2, and the upper end of the anti-backflow plate 13 is hinged to the inner wall of the body 1.

[0039] Further, the anode surface of each anode plate 5 is provided with an inclined flow guide groove 14, and the bottom of the flow guide groove 14 extends to the inner arc surface of the arc-shaped flow guide plate one 7.

[0040] Further, the flow guide groove 14 has an inclination angle of 45°-60°, preferably 45°.

[0041] Further, the cathode surface of each cathode plate 6 is uniformly provided with a plurality of protruding electrode points 15.

[0042] The utility model discloses a working principle: after entering from the air inlet 2 of one side of the organism 1, dust gas is under the electric field effect, dust particle charges rapidly and moves to the anode plate 5, deposits on the anode plate 5, and the gas after purification is discharged from the exhaust port 3, because the bottom of two adjacent anode plates 5 and two adjacent cathode plates 6 is connected through arc deflector no.

Claims

1. A high-voltage electrostatic precipitation electric dust collector, comprising a machine body (1), one side of the machine body (1) is provided with an air inlet (2), the other side of the machine body (1) is provided with an air outlet (3), and the bottom of the machine body (1) is provided with an ash bucket (4), characterized in that: The machine body (1) is internally provided with a plurality of longitudinally parallel anode plates (5), and a cathode plate (6) parallel to the anode plates (5) is arranged between two adjacent anode plates (5), the two sides of each anode plate (5) and cathode plate (6) are fixedly connected with the inner wall of the machine body (1), the bottom of each two adjacent anode plates (5) is connected through an arc-shaped flow guide plate (7), and the top of each two adjacent cathode plates (6) is connected through an arc-shaped flow guide plate (8).

2. An electrostatic precipitator for high pressure electrostatic precipitation according to claim 1, characterized in that: The two ends of the arc-shaped flow guide plate (7) are in an inclined state.

3. An electrostatic precipitator for high pressure electrostatic precipitation according to claim 2, characterized in that: The lower end of the arc-shaped flow guide plate (7) is provided with a dust guide mechanism, the dust guide mechanism comprises a dust discharging port (9) arranged at the bottom of the arc-shaped flow guide plate (7), the dust discharging port (9) is opposite to a dust discharging hopper (4), and the dust discharging port (9) is provided with a dust discharging valve (10).

4. The electrostatic precipitator of claim 1, wherein: The top of each anode plate (5) is provided with a spray pipe (11), the spray pipe (11) is provided with a nozzle (12), and the spraying direction of the nozzle (12) is towards the anode plate (5) opposite to the nozzle (12).

5. A high voltage electrostatic precipitator of the type described in claim 1, wherein: A backflow prevention plate (13) is arranged at the air inlet (2), the backflow prevention plate (13) can cover the entire air inlet (2), and the upper end of the backflow prevention plate (13) is hingedly connected with the inner wall of the machine body (1).

6. A high voltage electrostatic precipitator of the type described in claim 1 wherein: An inclined flow guide groove (14) is arranged on the anode surface of each anode plate (5), and the bottom of the flow guide groove (14) extends to the inner arc surface of the arc-shaped flow guide plate (7).

7. A high voltage electrostatic precipitator of the type described in claim 6 wherein: The flow guide groove (14) has an inclination angle of 45°-60°.

8. The electrostatic precipitator of claim 1, wherein: A plurality of protruding electrode points (15) are uniformly arranged on the cathode surface of each cathode plate (6).

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